/* v19d3 front_extra.css：前台公开页/落地页内联样式外置汇总（按来源分区，勿在此写页面私有新样式） */

/* v19d3 前台全局基线（原各页内联全局规则统一，值取并集） */
html{overflow-x:hidden}
body{margin:0;background:#fff;font-family:'Microsoft YaHei',Arial,sans-serif;color:#1F2D3D}

/* ==== from about.php ==== */
.seo-layout{display:flex;gap:20px;align-items:flex-start}
    .seo-sidebar{width:180px;flex-shrink:0;display:flex;flex-direction:column;gap:4px;padding:20px 0;position:sticky;top:20px;border-right:2px solid #f0f0f0}
    .seo-sidebar a{display:block;padding:10px 16px;font-size:14px;color:#555;text-decoration:none;border-radius:8px;transition:all .2s}
    .seo-sidebar a:hover{background:#f0f4ff;color:#45a9f1}
    .seo-sidebar a.active{background:#e8f4fd;color:#198EDE;font-weight:bold;border-left:3px solid #198EDE}
    .seo-sidebar-title{font-size:15px;font-weight:bold;color:#12263C;padding:0 16px 12px;border-bottom:1px solid #eee;margin-bottom:8px}
    
    @media(max-width:768px){
        .seo-cta{padding:20px 16px;border-radius:12px}
        .seo-cta h3{font-size:18px}
        .seo-cta a[href="./"]{padding:10px 32px;font-size:14px}
        .seo-cta div{gap:12px}
    }
    
    .seo-content h1{font-size:26px;margin-bottom:20px;padding-bottom:12px}
    .seo-content h2{font-size:20px;margin:22px 0 10px}
    .seo-content h3{font-size:16px;margin:14px 0 8px}

/* ==== from api.php ==== */
.main{font-size: 15px;}

/* ==== from custom.php ==== */
/* v19c8: 生成结果弹窗化（与 short.php 同款，fixed 居中+遮罩由 JS 注入） */
.short_box{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;max-width:92vw;z-index:99990;border-radius:16px;box-shadow:0 24px 70px rgba(10,30,60,.35)}
@media(max-width:760px){.short_box{width:94vw;padding:16px}.short_box .urlinfo{width:calc(100% - 110px);margin-left:12px}}

/* ==== from custom.php ==== */
/* v19c13: 自定义后缀页双下拉美化（仅样式，结构不动） */
#form2 select{appearance:none;-webkit-appearance:none;-moz-appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%2345a9f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 14px center;height:60px;text-align:center;color:#45a9f1;border:none;font-size:20px;padding:0 40px 0 18px;cursor:pointer;font-family:inherit;transition:background-color .2s,box-shadow .2s}
#form2 select:hover{background-color:#f6faff}
#form2 select:focus{outline:none;box-shadow:inset 0 0 0 2px rgba(69,169,241,.3)}
#form2 select option{color:#333;background:#fff;text-align:left}

/* ==== from footer.php ==== */
.cs-row{display:flex;align-items:center;gap:12px;font-size:1.3rem;font-weight:700;margin-bottom:8px;}
.cs-icon{width:32px;height:32px;flex:none;border-radius:50%;transition:transform .25s;}
.cs-icon.wx{animation:csPulseW 2.6s ease-out infinite;}
.cs-icon.qq{animation:csPulseQ 2.6s ease-out infinite;}
.cs-icon.wx:hover,.cs-icon.qq:hover{transform:scale(1.12);}
@keyframes csPulseW{0%{box-shadow:0 0 0 0 rgba(7,193,96,.45)}70%{box-shadow:0 0 0 9px rgba(7,193,96,0)}100%{box-shadow:0 0 0 0 rgba(7,193,96,0)}}
@keyframes csPulseQ{0%{box-shadow:0 0 0 0 rgba(18,183,245,.45)}70%{box-shadow:0 0 0 9px rgba(18,183,245,0)}100%{box-shadow:0 0 0 0 rgba(18,183,245,0)}}
.cs-num{color:#999999;letter-spacing:1px;}
.qr19-g{display:inline-block;margin:0 22px;vertical-align:top;}
.qr19-ticon{width:15px;height:15px;vertical-align:-2.5px;margin-right:5px}

/* ==== from help-api.php ==== */
.hp-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13px}
    .hp-table th{background:#eef4ff;color:#1F2D3D;text-align:left;padding:9px 12px;border:1px solid #e3ecfb}
    .hp-table td{padding:9px 12px;border:1px solid #e3ecfb;color:#5a6b85;line-height:1.7}
    .hp-code{background:#12263C;color:#dbe7ff;border-radius:10px;padding:14px 16px;font-family:Consolas,Menlo,monospace;font-size:12.5px;line-height:1.9;overflow-x:auto;margin:14px 0;white-space:pre;word-break:break-all}

/* ==== from help-batch.php ==== */

/* ==== from help-card-faq.php ==== */
.hp-qa{border:1px solid #e3ecfb;border-radius:12px;padding:15px 18px;margin:12px 0;background:#fff}
    .hp-qa h3{font-size:15px;font-weight:700;color:#1F2D3D;margin:0 0 8px}
    .hp-qa h3 em{font-style:normal;color:#2e8df1;margin-right:8px;font-weight:800}
    .hp-qa p{margin:0;font-size:13.5px;color:#5a6b85;line-height:1.85}

/* ==== from help_css.php ==== */
/* 帮助中心版式：品牌蓝 #2e8df1 体系（v19c91） */
    .seo-layout{display:flex;gap:22px;align-items:flex-start}
    .seo-sidebar{width:190px;flex-shrink:0;display:flex;flex-direction:column;gap:3px;padding:18px 0;position:sticky;top:16px;border-right:2px solid #f0f3f8}
    .seo-sidebar a{display:block;padding:9px 15px;font-size:14px;color:#555;text-decoration:none;border-radius:8px;border-left:3px solid transparent;transition:all .2s}
    .seo-sidebar a:hover{background:#eef4ff;color:#2e8df1}
    .seo-sidebar a.active{background:#eef4ff;color:#2e8df1;font-weight:bold;border-left-color:#2e8df1}
    .seo-sidebar-title{font-size:15px;font-weight:bold;color:#12263C;padding:0 15px 12px;border-bottom:1px solid #eee;margin-bottom:8px}
    .seo-subttl{font-size:12px;color:#9aa7bd;padding:14px 15px 4px;letter-spacing:1px}

    h1.hp-h1{font-size:27px;font-weight:800;color:#12263C;position:relative;padding:0 0 14px;margin:0 0 4px;border-bottom:none}
    h1.hp-h1::after{content:'';position:absolute;left:0;bottom:0;width:52px;height:4px;border-radius:2px;background:linear-gradient(90deg,#2e8df1,#5ce7ef)}
    .hp-sub{font-size:14px;color:#5a6b85;line-height:1.8;margin:12px 0 0}

    section.hp-sec{margin:36px 0 0}
    h2.hp-h2{font-size:21px;font-weight:800;color:#12263C;position:relative;padding:0 0 11px;margin:0 0 6px;border-bottom:none;line-height:1.35}
    h2.hp-h2::after{content:'';position:absolute;left:0;bottom:0;width:46px;height:3px;border-radius:2px;background:linear-gradient(90deg,#2e8df1,#5ce7ef)}
    h2.hp-h2 em{font-style:normal;color:#2e8df1;margin-right:8px}
    h3.hp-h3{font-size:15.5px;font-weight:700;color:#1F2D3D;margin:20px 0 10px}

    .hp-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:16px 0}
    .hp-step{background:#f7faff;border:1px solid #e3ecfb;border-radius:12px;padding:15px 14px}
    .hp-step .n{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#2e8df1,#5ce7ef);color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;margin-bottom:10px}
    .hp-step .t{font-weight:700;font-size:14.5px;color:#1F2D3D;margin-bottom:4px}
    .hp-step .d{font-size:13px;color:#5a6b85;line-height:1.75}
    .hp-step .d a{color:#2e8df1;font-weight:700}

    .hp-grid4{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;margin:14px 0}
    .hp-card{border:1px solid #e3ecfb;border-radius:12px;padding:15px 16px;background:#fff;transition:all .2s}
    .hp-card:hover{box-shadow:0 8px 22px rgba(46,141,241,.10);transform:translateY(-2px);border-color:#c9dbfb}
    .hp-card .t{font-weight:700;color:#1F2D3D;font-size:14.5px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
    .hp-card .t i{width:8px;height:8px;border-radius:50%;background:#2e8df1;flex:none}
    .hp-card .d{font-size:13px;color:#5a6b85;line-height:1.75}

    /* v19e83z64: hp-chips 组件补齐样式（原 HTML 有结构无样式，PC/手机同样丑） */
    .hp-chips{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:14px 0}
    .hp-chip{display:flex;align-items:flex-start;gap:9px;background:#f7faff;border:1px solid #e3ecfb;border-radius:8px;padding:10px 12px;transition:all .2s}
    .hp-chip:hover{box-shadow:0 8px 22px rgba(46,141,241,.10);transform:translateY(-2px);border-color:#c9dbfb}
    .hp-chip i{flex:none;width:8px;height:8px;border-radius:50%;margin-top:6px}
    .hp-chip .c-blue{background:#2e8df1}
    .hp-chip .c-teal{background:#33cabb}
    .hp-chip .c-purple{background:#7a5af8}
    .hp-chip .c-orange{background:#ff6200}
    .hp-chip .c-green{background:#07c160}
    .hp-chip .c-pink{background:#f56c6c}
    .hp-chip b{display:block;font-size:14px;color:#1F2D3D;line-height:1.45}
    .hp-chip span{display:block;font-size:13px;color:#5a6b85;line-height:1.7;margin-top:2px}

    .hp-meta{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
    .hp-meta span{display:inline-flex;align-items:center;gap:6px;background:#eef4ff;color:#2e8df1;font-size:12.5px;font-weight:400;padding:5px 13px;border-radius:3px}
    .hp-tip{background:#eef4ff;border-left:3px solid #2e8df1;border-radius:0 10px 10px 0;padding:12px 16px;font-size:13.5px;color:#2b3f5e;line-height:1.85;margin:14px 0}
    .hp-warn{background:#fff7ec;border-left:3px solid #ff6200;border-radius:0 10px 10px 0;padding:12px 16px;font-size:13.5px;color:#5e4a2b;line-height:1.85;margin:14px 0}
    .hp-more{margin:12px 0 0;font-size:13.5px}
    .hp-more a{color:#2e8df1;font-weight:700;text-decoration:none}
    .hp-more a:hover{text-decoration:underline}

    .hp-faqrow{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:18px 0}
    .hp-faqrow a{display:block;background:#f7faff;border:1px solid #e3ecfb;border-radius:12px;padding:15px 16px;text-decoration:none;transition:all .2s}
    .hp-faqrow a:hover{border-color:#c9dbfb;box-shadow:0 8px 22px rgba(46,141,241,.10);transform:translateY(-2px)}
    .hp-faqrow b{display:block;font-size:14px;color:#1F2D3D;margin-bottom:4px}
    .hp-faqrow span{font-size:12.5px;color:#5a6b85}

    .seo-content p{line-height:1.85}
    .seo-content a{color:#2e8df1}
    
    @media(max-width:768px){
        .hp-steps,.hp-grid4,.hp-chips,.hp-faqrow{grid-template-columns:1fr}
        h1.hp-h1{font-size:23px}
    }

    @media(max-width:768px){
        .seo-cta{padding:20px 16px;border-radius:12px}
        .seo-cta h3{font-size:18px}
        .seo-cta a.hp-btn{padding:10px 32px;font-size:14px}
        .seo-cta div{gap:12px}
    }
    .seo-content h2{font-size:21px;margin:22px 0 10px}
    .seo-content h3{font-size:16px;margin:14px 0 8px}

/* ==== from index.php ==== */
html{overflow-x:hidden}

/* v19c5b: 生成结果弹窗化（fixed 居中，遮罩/关闭钮由 JS 注入） */
.short_box{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;max-width:92vw;z-index:99990;border-radius:16px;box-shadow:0 24px 70px rgba(10,30,60,.35)}
@media(max-width:760px){.short_box{width:94vw;padding:16px}.short_box .urlinfo{width:calc(100% - 110px);margin-left:12px}}

/* ==== from index.php ==== */
.banner{display:flow-root;background:#1162e6 url("../media/img/index_banner.jpg") no-repeat center top}
    .banner_txt19{width:788px;max-width:96%;margin:96px auto 0;text-align:center}
    .bt19-h{font-size:72px;line-height:1.1;color:#fff;font-weight:900;font-family:'Microsoft YaHei','PingFang SC',sans-serif;letter-spacing:2px;transform:skewX(-6deg);margin:0 0 10px;white-space:nowrap}
    .bt19-row{display:flex;justify-content:center;gap:40px;margin-top:4px}
    .bt19-it{display:inline-flex;align-items:center;font-size:17px;color:#fff;letter-spacing:1px;white-space:nowrap}
    .bt19-ck{width:17px;height:17px;margin-right:6px;flex:none}
    .banner .input .url{box-sizing:border-box;height:60px;line-height:24px;padding:18px 20px}
    .banner .input .url::selection{background:#2e8df1;color:#fff}/* v19e83z2：输入框选中色 黄改主色蓝（老板 09-19：黄色太丑） */
    @media(max-width:860px){.bt19-h{font-size:34px;letter-spacing:1px}.bt19-row{flex-wrap:wrap;gap:8px 20px;padding:0 12px}.bt19-it{font-size:14px}.bt19-ck{width:15px;height:15px}}

/* ==== from index.php ==== */
.ly-prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-bottom:50px}
    .ly-pc{background:#fff;border:none;border-radius:18px;padding:40px 30px 34px;text-align:center;box-shadow:0 10px 34px rgba(24,60,140,.09);transition:transform .25s ease,box-shadow .25s ease;display:block;color:#333;text-decoration:none;position:relative;overflow:hidden}
    .ly-pc::before{content:'';position:absolute;top:0;left:0;right:0;height:4px}
    .ly-pc-short::before{background:linear-gradient(90deg,#48d2e9,#1e88d6)}
    .ly-pc-huoma::before{background:linear-gradient(90deg,#33cabb,#12a395)}
    .ly-pc-card::before{background:linear-gradient(90deg,#7a5af8,#5a35e6)}
    .ly-pc:hover{transform:translateY(-8px);box-shadow:0 20px 44px rgba(24,60,140,.16);text-decoration:none}
    .ly-pc-ico{width:72px;height:72px;border-radius:20px;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;animation:lyFloat 3.4s ease-in-out infinite}
    .ly-pc-ico::after{content:'';position:absolute;top:0;left:-80%;width:60%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg)}
    .ly-pc-ico svg{width:36px;height:36px;stroke:#fff}
    .ly-pc-short .ly-pc-ico{background:linear-gradient(135deg,#48d2e9,#1e88d6);box-shadow:0 10px 24px rgba(30,136,214,.42)}
    .ly-pc-huoma .ly-pc-ico{background:linear-gradient(135deg,#33cabb,#12a395);box-shadow:0 10px 24px rgba(18,163,149,.42);animation-delay:.45s}
    .ly-pc-card .ly-pc-ico{background:linear-gradient(135deg,#7a5af8,#5a35e6);box-shadow:0 10px 24px rgba(90,53,230,.42);animation-delay:.9s}
    .ly-pc:hover .ly-pc-short .ly-pc-ico{box-shadow:0 16px 34px rgba(30,136,214,.55)}
    .ly-pc:hover .ly-pc-huoma .ly-pc-ico{box-shadow:0 16px 34px rgba(18,163,149,.55)}
    .ly-pc:hover .ly-pc-card .ly-pc-ico{box-shadow:0 16px 34px rgba(90,53,230,.55)}
    .ly-pc:hover .ly-pc-ico::after{animation:lyShine .75s ease}
    @keyframes lyFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
    @keyframes lyShine{from{left:-80%}to{left:150%}}
    @media(prefers-reduced-motion:reduce){.ly-pc-ico{animation:none}}
    .ly-pc-name{font-size:22px;font-weight:700;color:#1F2D3D;margin-bottom:8px}
    .ly-pc-desc{font-size:14px;color:#7A8BA6;margin-bottom:16px;line-height:1.7;min-height:48px}
    .ly-pc-list{list-style:none;padding:0;margin:0 0 24px;text-align:left;border-top:1px dashed #E4EBF5;padding-top:14px}
    .ly-pc-list li{font-size:14px;color:#5A6B85;padding:5px 0 5px 24px;position:relative}
    .ly-pc-list li::before{content:'\2713';position:absolute;left:2px;top:5px;font-weight:700;font-size:13px}
    .ly-pc-short .ly-pc-list li::before{color:#48d2e9}
    .ly-pc-huoma .ly-pc-list li::before{color:#33cabb}
    .ly-pc-card  .ly-pc-list li::before{color:#7a5af8}
    .ly-pc-btn{display:inline-block;padding:11px 42px;border-radius:3px;color:#fff;font-size:15px;font-weight:700;letter-spacing:1px;transition:transform .25s ease}
    .ly-pc-short .ly-pc-btn{background:linear-gradient(-90deg,#48d2e9,#1e88d6);box-shadow:0 8px 20px rgba(30,136,214,.35)}
    .ly-pc-huoma .ly-pc-btn{background:linear-gradient(-90deg,#33cabb,#12a395);box-shadow:0 8px 20px rgba(18,163,149,.35)}
    .ly-pc-card .ly-pc-btn{background:linear-gradient(-90deg,#7a5af8,#5a35e6);box-shadow:0 8px 20px rgba(90,53,230,.35)}
    .ly-pc:hover .ly-pc-btn{transform:translateY(-2px)}
    .ly-pc-tag{display:inline-block;font-size:12px;padding:3px 14px;border-radius:3px;margin-bottom:12px;font-weight:400;letter-spacing:1px}
    .ly-pc-short .ly-pc-tag{color:#2287c9;background:rgba(72,176,247,.12)}
    .ly-pc-huoma .ly-pc-tag{color:#159a8c;background:rgba(51,202,187,.14)}
    .ly-pc-card .ly-pc-tag{color:#6a48e8;background:rgba(122,90,248,.12)}
    @media(max-width:900px){.ly-prod-grid{grid-template-columns:1fr;max-width:430px;margin:0 auto 50px}}
    /* v19c87: 区块标题统一 + 特色功能精修 */
    .main .title{font-size:30px;font-weight:800;color:#17293f;letter-spacing:2px}
    .main .title::after{content:'';display:block;width:46px;height:4px;border-radius:2px;background:linear-gradient(90deg,#2e8df1,#1f76c8);margin:12px auto 0}
    .main .intro{font-size:15px;color:#7c8ba1;margin-top:14px}
    .ly-feats19{margin-bottom:50px}
    .ly-feats19 .box{border-radius:14px;border:1px solid #eef3fc;box-shadow:0 6px 20px rgba(24,60,140,.07);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
    .ly-feats19 .box:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(24,60,140,.13);border-color:#d7e3fc}
    .ly-feats19 .box img{transition:transform .25s ease}
    .ly-feats19 .box:hover img{transform:scale(1.12)}
    .ly-feats19 .btitle{font-size:16px;color:#1F2D3D}
    .ly-feats19 .bintro{color:#7a8ba6;font-size:12px}

/* ==== from index.php ==== */
/* v19c77: 应用场景 tab 风格（同短链系统页 sec19） */
    :root{--pc:#2e8df1;--pcdk:#1f76c8;--pcbg:#eef4ff;--pcline:#d7e3fc;--pcsh:rgba(46,141,241,.30)}
    .sec19{max-width:1160px;margin:0 auto;padding:66px 20px 72px}
    .sec19 .h{font-size:30px;font-weight:800;text-align:center;color:#17293f;margin:0 0 10px}
    .sec19 .h::after{content:'';display:block;width:46px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--pc),var(--pcdk));margin:12px auto 0}
    .sec19 .d{font-size:14px;color:#7c8ba1;text-align:center;margin:0 0 34px}
    .tabs19{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:28px}
    .tab19{padding:9px 24px;border-radius:3px;background:#fff;border:1px solid #e3ebf5;color:#4d6076;font-size:14px;cursor:pointer;transition:.2s;user-select:none}
    .tab19:hover{border-color:var(--pc);color:var(--pcdk)}
    .tab19.on{background:linear-gradient(135deg,var(--pc),var(--pcdk));border-color:var(--pc);color:#fff;font-weight:700;box-shadow:0 6px 16px var(--pcsh)}
    .pane19{display:none;background:linear-gradient(120deg,var(--pcbg),#fff 78%);border-radius:20px;padding:46px 48px;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;border:1px solid rgba(46,141,241,.16);box-shadow:0 16px 40px rgba(46,141,241,.08)}
    .pane19.on{display:grid}
    .pane19 h3{font-size:22px;margin:0 0 12px;color:#1d3049}
    .pane19 .pd{font-size:14px;color:#5a6b85;line-height:1.9;margin:0 0 16px}
    .pane19 ul{list-style:none;padding:0;margin:0}
    .pane19 li{font-size:14px;color:#44576e;padding:5px 0 5px 24px;position:relative}
    .pane19 li::before{content:'\2713';position:absolute;left:0;color:var(--pc);font-weight:800}
    .scpic19{height:330px;display:flex;align-items:center;justify-content:center}
    .scpic19 img{width:auto;height:auto;max-width:100%;max-height:100%;display:block;border-radius:14px;box-shadow:0 18px 44px rgba(30,70,130,.14)}
    @media(max-width:1000px){.pane19{grid-template-columns:1fr;padding:30px 24px}}

/* ==== from nav.php ==== */
.header{position:relative;z-index:50;background:#fff;box-shadow:0 2px 10px rgba(20,40,80,.06)}
.header .menu{position:relative}
.menu .nv-item{display:inline-block;margin-right:27px}
.menu .nv-item>a{font-size:18px;color:#333;text-decoration:none;margin-right:0}
.menu .nv-item .car{font-size:11px;color:#9ab;font-style:normal;margin-left:3px}
.menu .nv-item .sub{display:none;position:absolute;top:100%;left:0;background:#fff;border-radius:5px;box-shadow:0 10px 34px rgba(20,50,90,.16);padding:6px 10px;line-height:1.2;z-index:999}
.menu .nv-item .sub a{display:inline-block;font-size:14px;line-height:1;color:#333;margin:0;padding:7px 14px;white-space:nowrap;border-radius:8px}
.menu .nv-item .sub a:hover{color:#2e8df1;background:#f4f9ff}
.menu .nv-item:hover .sub{display:block}
.menu .nv-item:hover>a,.menu .nv-item.active>a{color:#2e8df1}
/* v19e83z32: 全站按钮/提示框圆角统一 3px（覆盖 main.css 基础层 .menu button 5px） */
.menu button{border-radius:3px}

/* ==== from url.php ==== */
#qrbBt{min-width:150px;height:38px;line-height:36px;padding:0;font-weight:bold;background:#48d2e9;color:#fff;border:1px solid #48d2e9;}#qrbBt:hover{background:#6cc2ff;border-color:#6cc2ff;}

/* ==== from url.php ==== */
.slink-txt{color:inherit;text-decoration:none;word-break:break-all;}.slink-txt:hover{color:#48d2e9;text-decoration:underline;}.cp-btn{background:#f96868;color:#fff;border:1px solid #f96868;font-size:14px;height:30px;line-height:28px;padding:0 14px;border-radius:3px;}.cp-btn:hover{background:#f85454;border-color:#f85454;color:#fff;}.cp-btn:active{transform:scale(.96);}.cp-btn:disabled{opacity:.85;}

/* ==== from urls.php ==== */
#return{font-size: 15px}
    #return hr{border-top-color: rgba(77,82,89,0.05);margin: 2rem auto;border-top: 1px solid #eee;}
    #return a{text-decoration: none;color: #45a9f1}

/* ==== from conn/payc.php ==== */
.pm-mask{position:fixed;left:0;top:0;right:0;bottom:0;background:rgba(17,19,24,.5);z-index:99999;display:none;align-items:center;justify-content:center;}
.pm-mask.on{display:flex;}
.pm-box{width:360px;max-width:92vw;background:#fff;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.2);overflow:hidden;animation:pmIn .18s ease;}
@keyframes pmIn{from{transform:translateY(16px) scale(.96);opacity:0}to{transform:none;opacity:1}}
.pm-head{display:flex;align-items:center;padding:20px 20px 0;}
.pm-ico{width:36px;height:36px;border-radius:50%;background:#fef3e6;color:#ff6200;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;margin-right:10px;flex:none;}
.pm-title{font-size:16px;font-weight:700;color:#333;}
.pm-body{padding:16px 20px 2px;}
.pm-name{font-size:14px;font-weight:700;color:#333;margin-bottom:12px;}
.pm-price{display:flex;align-items:baseline;justify-content:space-between;background:#f7f8fa;border-radius:8px;padding:12px 14px;margin-bottom:10px;}
.pm-price .lab{font-size:13px;color:#666;}
.pm-price .val{font-size:24px;font-weight:700;color:#ff6200;}
.pm-price .val small{font-size:14px;font-weight:700;margin-right:2px;}
.pm-row{display:flex;justify-content:space-between;font-size:13px;color:#999;padding:5px 2px;}
.pm-row b{color:#333;font-weight:700;}
.pm-note{font-size:12px;color:#999;line-height:1.7;margin-top:10px;}
.pm-foot{display:flex;gap:10px;padding:18px 20px 20px;}
.pm-btn{flex:1;height:42px;border-radius:3px;font-size:15px;cursor:pointer;border:none;transition:opacity .15s;}
.pm-btn:active{opacity:.85;}
.pm-cancel{background:#f2f3f5;color:#666;}
.pm-ok{background:#07c160;color:#fff;font-weight:700;}

/* ==== from cards.php ==== */
/* ===== v19b: aifabu 企业官网版式（浅色 hero 左文右图 / 四特性条 / 场景tab / 核心优势） ===== */
:root{--pc:#2e8df1;--pcdk:#1f76c8;--pcbg:#eef4ff;--pcline:#d7e3fc}body{margin:0;background:#fff;font-family:'Microsoft YaHei',Arial,sans-serif;color:#1F2D3D}
.hero19{position:relative;background:linear-gradient(150deg,#eaf1ff 0%,#f7faff 52%,#edf3ff 100%);overflow:hidden}
.hero19::after{content:'';position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(46,141,241,.12),transparent 68%)}
.hero19-in{max-width:1160px;margin:0 auto;padding:56px 20px 64px;display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center;position:relative;z-index:2}
.hero19 h1{font-size:clamp(24px,2.57vw,37px);line-height:1.32;margin:0 0 16px;font-weight:800;color:#10224d;letter-spacing:.5px}
.hero19 h1 em{font-style:normal;color:#2e8df1}
.hero19 .sub{font-size:15px;color:#4a5d85;line-height:1.9;margin:0 0 24px;max-width:560px}
.gcard19{background:#fff;border-radius:16px;box-shadow:0 14px 40px rgba(46,141,241,.10);padding:24px 26px 22px}
.gcard19 h2{font-size:19px;color:#10224d;margin:0 0 6px;font-weight:700}
.gcard19 .gs{font-size:12.5px;color:#8b82a3;margin-bottom:16px}
.tr-form{position:relative}
.tr-form label{display:block;font-size:13.5px;color:#4d4468;font-weight:700;margin:13px 0 7px}
.tr-form input[type=text],.tr-form textarea{width:100%;box-sizing:border-box;border:1px solid #e0d9f2;border-radius:9px;padding:10px 14px;font-size:14px;outline:none;font-family:inherit}
.tr-form input[type=text]{height:42px}
.tr-form input[type=text]:focus,.tr-form textarea:focus{border-color:#2e8df1}
.tr-form textarea{resize:none;height:58px}
/* v19c27: 域名选择 + 网络图片地址 */
.tr-form select{width:100%;box-sizing:border-box;height:42px;border:1px solid #e0d9f2;border-radius:9px;padding:0 12px;font-size:14px;outline:none;background:#fff;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%232e8df1' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.tr-form select:focus{border-color:#2e8df1;box-shadow:0 0 0 3px #eef4ff}
.tr-form .hint{font-size:12px;color:#9a92b5;margin-top:6px;line-height:1.6}
.tr-file{display:block;border:2px dashed #c9d9ff;border-radius:11px;padding:20px 16px;text-align:center;color:#5a6b85;font-size:13px;cursor:pointer;transition:border-color .2s;background:#f7faff}
.tr-file:hover{border-color:#2e8df1}
.tr-file input{display:none}
.tr-file .big{font-size:14.5px;color:#1f76c8;font-weight:700;margin-bottom:4px}
#fname{margin-top:10px;min-height:36px;display:flex;align-items:center;justify-content:center;padding:6px 12px;box-sizing:border-box;border:1px dashed #d7e3fc;border-radius:3px;background:#fff;color:#9aa9c6;font-size:12.5px}
#fname.has{border:1px solid #bcd0fb;background:#eef4ff;color:#1f76c8;font-weight:700}
.tr-btn{display:block;width:100%;height:48px;border:0;border-radius:3px;background:#2e8df1;color:#fff;font-size:16px;font-weight:700;letter-spacing:2px;cursor:pointer;margin-top:18px;transition:.2s}
.tr-btn:hover{background:#1f76c8}
.tr-err{position:fixed;top:16px;left:50%;transform:translate(-50%,0);width:auto;max-width:86vw;z-index:99999;display:none;background:#fef2f2;border:1px solid rgba(229,77,66,.35);color:#e54d42;font-size:14px;line-height:20px;border-radius:3px;padding:10px 18px;box-shadow:0 10px 30px rgba(190,60,50,.18);pointer-events:none;text-align:center;box-sizing:border-box;animation:trerrIn .22s ease}
@keyframes trerrIn{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
/* v19c27: 生成结果弹窗化（v19c5b 短链同款：fixed 居中 + 遮罩 + 关闭钮） */
.tr-ok{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;padding:30px 34px 28px;border-top:0;width:520px;max-width:92vw;max-height:86vh;overflow-y:auto;background:#fff;border-radius:16px;box-shadow:0 24px 70px rgba(10,30,60,.35);z-index:99990;display:none;text-align:center;box-sizing:border-box}
.tr-ok.on{display:block}
#sbMask{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(10,25,50,.45);z-index:99980}
.tr-ok .sbclose{position:absolute;top:10px;right:14px;width:30px;height:30px;line-height:30px;text-align:center;color:#98a6b8;font-size:15px;cursor:pointer;border-radius:50%;background:#f2f5f9;z-index:2}
.tr-ok .sbclose:hover{color:#5a6b85;background:#e8edf4}
.tr-ok .tt{font-size:15px;color:#1f76c8;font-weight:700;margin-bottom:14px}
.tr-ok img.qr,.tr-ok canvas{width:170px;height:170px;border:1px solid #e8e4f2;border-radius:8px;background:#fff}
.tr-ok .lnk{margin-top:12px;font-size:15px;color:#1F2D3D;word-break:break-all}
.tr-ok .copy{display:inline-block;margin-top:10px;padding:7px 26px;border-radius:3px;background:#eef4ff;color:#1f76c8;font-size:14px;font-weight:700;cursor:pointer;border:0}
.tr-ok .qrbtns{display:flex;gap:10px;justify-content:center;margin-top:14px}
.tr-ok .qrbtns button{flex:1;max-width:150px;padding:9px 0;border-radius:3px;font-size:14px;font-weight:700;cursor:pointer;border:0;transition:.2s}
.tr-ok .qrbtns .qb{background:#2e8df1;color:#fff}
.tr-ok .qrbtns .qb:hover{background:#1f76c8}
.tr-ok .qrbtns .qd{background:#eef4ff;color:#1f76c8;border:1px solid #d7e3fc}
.tr-ok .qrbtns .qd:hover{background:#e0ebff}
.tr-ok .exp{margin-top:12px;font-size:12px;color:#b0402f;background:#fdf3f2;border-radius:3px;padding:8px 12px;line-height:1.8}
.tr-ok .exp2{margin-top:8px;font-size:12px;color:#5a6b85;background:#f5f8fe;border-radius:3px;padding:8px 12px;line-height:1.8}
.trust19{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:#4a5d85}
.trust19 b{color:#1f76c8;font-weight:700;margin-right:3px}
.hero19-art svg{width:100%;height:auto;display:block;margin:0 auto}
@media(min-width:1001px){.hero19-art svg{width:85%}}
/* 四特性条 */
.fbar19{max-width:1160px;margin:56px auto 0;position:relative;z-index:6;background:#fff;border-radius:16px;box-shadow:0 12px 36px rgba(46,141,241,.08);padding:28px 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;border:1px solid #f0ecfa}
.fbar19 .f{display:flex;gap:13px;align-items:flex-start}
.fbar19 .ic{width:46px;height:46px;border-radius:12px;background:var(--pcbg);display:flex;align-items:center;justify-content:center;flex:none}
.fbar19 .ic svg{width:22px;height:22px}
.fbar19 .t{font-size:15px;font-weight:700;color:#22344e}
.fbar19 .d{font-size:12px;color:#7c8ba1;margin-top:4px;line-height:1.65}
/* 通用区块 */
.sec19{max-width:1160px;margin:0 auto;padding:66px 20px 6px}
.sec19 .h{font-size:30px;font-weight:800;text-align:center;color:#17293f;margin:0 0 10px}
.sec19 .d{font-size:14px;color:#7c8ba1;text-align:center;margin:0 0 34px}
/* 应用场景 tab */
.tabs19{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.tab19{padding:9px 24px;border-radius:3px;background:#fff;border:1px solid #e3ebf5;color:#4d6076;font-size:14px;cursor:pointer;transition:.2s;user-select:none}
.tab19:hover{border-color:var(--pc);color:var(--pcdk)}
.tab19.on{background:var(--pc);border-color:var(--pc);color:#fff;font-weight:700}
.pane19{display:none;background:linear-gradient(120deg,var(--pcbg),#fff 78%);border-radius:20px;padding:46px 48px;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.pane19.on{display:grid}
.pane19 h3{font-size:22px;margin:0 0 12px;color:#1d3049}
.pane19 .pd{font-size:14px;color:#5a6b85;line-height:1.9;margin:0 0 16px}
.pane19 ul{list-style:none;padding:0;margin:0 0 24px}
.pane19 li{font-size:14px;color:#44576e;padding:5px 0 5px 24px;position:relative}
.pane19 li::before{content:'\2713';position:absolute;left:0;color:var(--pc);font-weight:800}
.pane19 .go{display:inline-block;padding:11px 32px;border-radius:3px;background:var(--pc);color:#fff;font-size:14px;font-weight:700;text-decoration:none}
.pane19 .go:hover{background:var(--pcdk)}
/* 手机 mockup */
.phw19{position:relative;height:330px;overflow:hidden;display:flex;justify-content:center;align-items:flex-start}
.ph19{width:250px;height:430px;flex:none;margin:0;background:#fff;border:7px solid #262e3e;border-radius:40px;position:relative;box-shadow:0 24px 48px rgba(25,45,80,.2),inset 0 0 0 2px rgba(255,255,255,.05);overflow:hidden}
.ph19::before{content:'';position:absolute;top:-1px;left:50%;transform:translateX(-50%);width:70px;height:17px;border-radius:0 0 11px 11px;background:#262e3e;z-index:4}
.ph19::after{content:'';position:absolute;right:-10px;top:112px;width:3px;height:46px;border-radius:0 2px 2px 0;background:#262e3e;box-shadow:0 -64px 0 0 #262e3e}
.phw19::before{content:'';position:absolute;left:calc(50% - 135px);top:119px;width:3px;height:56px;border-radius:2px 0 0 2px;background:#262e3e}
.ph19 .top{height:46px;background:#ededed;border-bottom:1px solid #dcdcdc;position:relative;flex:none}
.ph19 .top .tt{position:absolute;left:0;right:0;bottom:9px;text-align:center;font-size:13.5px;font-weight:700;letter-spacing:.5px;color:#15181d}
.ph19 .top .bk{position:absolute;left:14px;bottom:7px;font-size:19px;line-height:1;font-weight:700;color:#1a1a1a}
.ph19 .top .mo{position:absolute;right:14px;bottom:7px;line-height:1;font-weight:700;letter-spacing:1.5px;color:#1a1a1a}
.ph19 .top::before{content:'9:41';position:absolute;left:14px;top:6px;font-size:11px;font-weight:700;letter-spacing:.2px;color:#1a1a1a}
.ph19 .top::after{content:'';position:absolute;right:12px;top:8px;width:46px;height:11px;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='46' height='11' viewBox='0 0 46 11'><g fill='%231a1a1a'><rect x='0' y='7' width='2.4' height='4' rx='.8'/><rect x='3.6' y='5' width='2.4' height='6' rx='.8'/><rect x='7.2' y='3' width='2.4' height='8' rx='.8'/><rect x='10.8' y='1' width='2.4' height='10' rx='.8'/><path d='M17.5 4.2a7.4 7.4 0 0 1 9.4 0l-1.3 1.6a5.3 5.3 0 0 0-6.8 0z'/><path d='M19.2 6.4a4.6 4.6 0 0 1 6 0l-1.4 1.7a2.5 2.5 0 0 0-3.2 0z'/><circle cx='22.2' cy='9.6' r='1.3'/><rect x='30' y='1.5' width='13.5' height='8' rx='2.4' fill='none' stroke='%231a1a1a' stroke-width='1.1'/><rect x='31.4' y='2.9' width='9.2' height='5.2' rx='1.2'/><path d='M44.6 4v3.4a1.9 1.9 0 0 0 0-3.4z'/></g></svg>") no-repeat center/contain}
.ph19 .bd{height:calc(100% - 46px - 36px);background:#f2f3f5;padding:10px 10px 8px;display:flex;flex-direction:column;gap:8px;overflow:hidden;box-sizing:border-box}
.ph19 .ct{align-self:center;font-size:9px;color:#9aa0aa;background:#e0e3e8;border-radius:4px;padding:2px 7px;line-height:1.4}
.ph19 .row{display:flex;align-items:flex-start;gap:6px}
.ph19 .row.rv{flex-direction:row-reverse}
.ph19 .ava{width:26px;height:26px;border-radius:6px;flex:none;display:flex;align-items:center;justify-content:center}
.ph19 .ava svg{width:15px;height:15px;display:block}
.ph19 .ava.ke{background:linear-gradient(135deg,#7fcf9d,#4fb477)}
.ph19 .ava.me{background:linear-gradient(135deg,var(--pc),var(--pcdk))}
.ph19 .bub{max-width:170px;background:#fff;border-radius:3px 9px 9px 9px;padding:7px 10px;font-size:11px;color:#24292f;line-height:1.65;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.ph19 .row.rv .bub{background:#95ec69;border-radius:9px 3px 9px 9px}
.ph19 .ipt{position:absolute;left:0;right:0;bottom:0;height:36px;background:#f7f7f7;border-top:1px solid #e6e6e6;display:flex;align-items:center;gap:8px;padding:0 10px;box-sizing:border-box}
.ph19 .ipt b{flex:1;height:24px;background:#fff;border:1px solid #e2e2e2;border-radius:5px}
.ph19 .ipt i{width:22px;height:22px;border-radius:50%;background:#07c160;color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;font-style:normal}
/* 核心优势交错 */
.zag19{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;margin-bottom:52px}
.zag19 .zt h3{font-size:21px;color:#1d3049;margin:0 0 12px}
.zag19 .zt p{font-size:14px;color:#5a6b85;line-height:1.95;margin:0 0 20px}
.zag19 .zt .go{display:inline-block;padding:10px 30px;border-radius:3px;background:var(--pc);color:#fff;font-size:13.5px;font-weight:700;text-decoration:none}
.zag19 .zt .go.plain{background:var(--pcbg);color:var(--pcdk)}
.zag19.rev .zt{order:2}
.zag19.rev .zpic{order:1}
.zcard19{width:300px;height:216px;margin:0 auto;background:#fff;border-radius:16px;box-shadow:0 18px 44px rgba(30,70,130,.12);padding:20px;position:relative}
.zcard19 .bar{display:flex;gap:6px;margin-bottom:16px}
.zcard19 .bar i{width:10px;height:10px;border-radius:50%;background:#e3ebf5}
.zcard19 .bar i:first-child{background:var(--pc)}
.zcard19 .lnt{height:12px;border-radius:6px;background:#eef3f9;margin-bottom:10px}
.zcard19 .lnt.w1{width:82%}.zcard19 .lnt.w2{width:58%}.zcard19 .lnt.w3{width:70%}
.zcard19 .chart{position:absolute;left:20px;right:20px;bottom:18px;height:74px;display:flex;align-items:flex-end;gap:12px}
.zcard19 .chart b{flex:1;border-radius:6px 6px 0 0;background:linear-gradient(180deg,var(--pc),#bda6fb);display:block}
/* 价格方案 */
.ly-prices{max-width:1100px;margin:0 auto 60px;padding:0 16px}
.ly-prices .cap{font-size:30px;font-weight:800;color:#17293f;text-align:center;margin-bottom:10px}
.ly-prices .capd{font-size:14px;color:#7c8ba1;text-align:center;margin-bottom:34px}
.ly-prices .row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ly-prices .pc{background:#fff;border-radius:14px;padding:28px 26px;box-shadow:0 4px 18px rgba(46,141,241,.07);border:1px solid #e7eefc;position:relative}
.ly-prices .pc.hot{border:2px solid #2e8df1}
.ly-prices .pc .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#2e8df1;color:#fff;font-size:12px;padding:3px 14px;border-radius:10px;font-weight:700}
.ly-prices .pc .nm{font-size:16px;font-weight:700;color:#1F2D3D;margin-bottom:6px}
.ly-prices .pc .ds{font-size:12.5px;color:#8a97a8;margin-bottom:16px;line-height:1.6}
.ly-prices .pc .pr{font-size:26px;font-weight:700;color:#1f76c8;margin-bottom:16px}
.ly-prices .pc .pr small{font-size:13px;color:#8a97a8;font-weight:400}
.ly-prices .pc ul{list-style:none;padding:0;margin:0 0 20px}
.ly-prices .pc li{font-size:13px;color:#5a6b85;padding:5px 0 5px 22px;position:relative}
.ly-prices .pc li::before{content:'\2713';position:absolute;left:2px;color:#2e8df1;font-weight:700}
.ly-prices .pc li.no{color:#b6c2d1}
.ly-prices .pc li.no::before{content:'\2715';color:#c3ceda}
.ly-prices .pc .go{display:block;text-align:center;padding:10px 0;border-radius:3px;background:#2e8df1;color:#fff;font-size:14px;font-weight:700;text-decoration:none}
.ly-prices .pc .go.plain{background:#e2ebfd;color:#1f76c8}
/* 响应式 */
@media(max-width:1000px){
.hero19-in{grid-template-columns:1fr;padding:44px 20px 56px}
.hero19-art{max-width:420px;margin:0 auto}
.fbar19{grid-template-columns:repeat(2,1fr);margin:20px 16px 0;padding:22px}
.pane19{grid-template-columns:1fr;padding:30px 24px}
.zag19{grid-template-columns:1fr;gap:26px}
.zag19.rev .zt{order:1}.zag19.rev .zpic{order:2}
.ly-prices .row{grid-template-columns:1fr;max-width:430px;margin:0 auto}
}
@media(max-width:560px){.fbar19{grid-template-columns:1fr}}
@media(max-width:560px){.hero19 h1{font-size:26px}.hero19 .sub{font-size:14px}.hero19-in{padding:44px 18px 30px}}
/* ===== v19c 美观精修：渐变按钮 / 精致图标 / 功能网格 / 微动效 ===== */
:root{--pcsh:rgba(46,141,241,.30)}
/* 按钮统一渐变+阴影+hover 抬升 */
.tr-btn,.pane19 .go,.zag19 .zt .go{background:linear-gradient(135deg,var(--pc) 0%,var(--pcdk) 100%);border:0;border-radius:3px;box-shadow:0 8px 20px var(--pcsh);transition:transform .2s,box-shadow .2s,filter .2s}
.tr-btn:hover,.pane19 .go:hover,.zag19 .zt .go:hover{transform:translateY(-2px);box-shadow:0 12px 26px var(--pcsh);filter:brightness(1.05)}
.zag19 .zt .go.plain{background:var(--pcbg);box-shadow:none}
.zag19 .zt .go.plain:hover{box-shadow:0 8px 18px var(--pcsh)}
.tr-btn:active{transform:translateY(0)}
/* 生成卡与输入聚焦 */
.gcard19{transition:box-shadow .25s}
.tr-form input:focus,.tr-form textarea:focus{border-color:var(--pc);box-shadow:0 0 0 3px var(--pcbg);outline:0}
.tr-file{transition:border-color .2s,box-shadow .2s}
.tr-file:hover{border-color:var(--pc);box-shadow:0 8px 20px rgba(46,141,241,.14)}
/* 四特性条：图标渐变底白线 */
.fbar19 .ic{background:linear-gradient(135deg,var(--pc),var(--pcdk));border-radius:14px;box-shadow:0 6px 14px var(--pcsh);transition:transform .25s}
.fbar19 .ic svg{stroke:#fff;width:24px;height:24px}
.fbar19 .f:hover .ic{transform:translateY(-3px) scale(1.06)}
/* 区块标题渐变短线 */
.sec19 .h::after,.ly-prices .cap::after{content:'';display:block;width:46px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--pc),var(--pcdk));margin:12px auto 0}
/* 场景 tab 选中渐变 */
.tab19.on{background:linear-gradient(135deg,var(--pc),var(--pcdk));box-shadow:0 6px 16px var(--pcsh)}
.pane19{border:1px solid rgba(46,141,241,.18);box-shadow:0 16px 40px rgba(46,141,241,.08)}
/* hero 徽章胶囊 */
.hero-badge19{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #d7e3fc;border-radius:3px;padding:8px 18px;font-size:14.5px;color:#1f76c8;font-weight:400;box-shadow:0 4px 12px rgba(46,141,241,.1);margin:0 0 18px}
.hero-badge19 i{width:8px;height:8px;border-radius:50%;background:var(--pc);animation:lyPulse 1.8s ease-in-out infinite}
@keyframes lyPulse{0%,100%{box-shadow:0 0 0 0 rgba(46,141,241,.45)}55%{box-shadow:0 0 0 7px rgba(46,141,241,0)}}
/* hero 插图浮动动画 */
@keyframes lyFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes lyFloat2{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}
.hero19-art svg .fl1{animation:lyFloat 4.6s ease-in-out infinite}
.hero19-art svg .fl2{animation:lyFloat2 5.4s ease-in-out infinite}
.hero19-art svg .fl3{animation:lyFloat 6s ease-in-out .8s infinite}
/* 卡片功能网格 */
.feat19{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat19 .fc{position:relative;background:#fff;border:1px solid #e7eefc;border-radius:16px;padding:30px 26px 26px;box-shadow:0 4px 16px rgba(46,141,241,.05);transition:transform .25s,box-shadow .25s;overflow:hidden}
.feat19 .fc::before{content:'';position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--pc),var(--pcdk));opacity:0;transition:opacity .25s}
.feat19 .fc:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(46,141,241,.13)}
.feat19 .fc:hover::before{opacity:1}
.feat19 .fi{width:56px;height:56px;border-radius:15px;background:linear-gradient(135deg,var(--pc),var(--pcdk));display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 8px 18px var(--pcsh)}
.feat19 .fi{position:relative;overflow:hidden;border-radius:16px;transition:transform .25s}
.feat19 .fi::after{content:'';position:absolute;top:-60%;left:-45%;width:55%;height:220%;transform:rotate(28deg);background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.32),rgba(255,255,255,0))}
.feat19 .fi svg{width:28px;height:28px;stroke:#fff;stroke-width:2.2}
.feat19 .fc:hover .fi{transform:scale(1.07) rotate(-3deg)}
/* 六色渐变：每卡一色（后台功能卡风格，不随系统主色） */
.feat19 .fc:nth-child(1) .fi{background:linear-gradient(135deg,#38bdf8,#2563eb);box-shadow:0 8px 18px rgba(37,99,235,.3)}
.feat19 .fc:nth-child(2) .fi{background:linear-gradient(135deg,#a78bfa,#7c3aed);box-shadow:0 8px 18px rgba(46,141,241,.3)}
.feat19 .fc:nth-child(3) .fi{background:linear-gradient(135deg,#fb923c,#f97316);box-shadow:0 8px 18px rgba(249,115,22,.3)}
.feat19 .fc:nth-child(4) .fi{background:linear-gradient(135deg,#34d399,#10b981);box-shadow:0 8px 18px rgba(16,185,129,.3)}
.feat19 .fc:nth-child(5) .fi{background:linear-gradient(135deg,#f472b6,#ec4899);box-shadow:0 8px 18px rgba(236,72,153,.3)}
.feat19 .fc:nth-child(6) .fi{background:linear-gradient(135deg,#22d3ee,#0ea5e9);box-shadow:0 8px 18px rgba(14,165,233,.3)}
/* v19c3: 左图标右标题+描述布局 */
.feat19 .fc{display:grid;grid-template-columns:56px 1fr;grid-template-rows:auto auto;column-gap:16px;row-gap:6px;align-items:start;padding:26px 24px}
.feat19 .fi{grid-row:1/span 2;margin-bottom:0}
.feat19 .ft{grid-column:2;margin:0}
.feat19 .fd{grid-column:2;margin:0}
@media(max-width:560px){.feat19 .fc{grid-template-columns:48px 1fr;column-gap:13px}.feat19 .fi{width:48px;height:48px;border-radius:13px}.feat19 .fi svg{width:24px;height:24px}}
.feat19 .ft{font-size:16px;font-weight:700;color:#1F2D3D;margin:0 0 8px}
.feat19 .fd{font-size:13px;color:#7c8ba1;line-height:1.8;margin:0}
/* 核心优势卡描边 */
.zcard19{border:1px solid #e7eefc}
.zcard19::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:16px 16px 0 0;background:linear-gradient(90deg,var(--pc),var(--pcdk))}
/* 价格方案精修 */
.ly-prices .pc{transition:transform .25s,box-shadow .25s}
.ly-prices .pc:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(46,141,241,.13)}
.ly-prices .pc .pr{background:linear-gradient(135deg,var(--pc),var(--pcdk));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ly-prices .pc .pr small{-webkit-text-fill-color:#8a97a8;background:none}
.ly-prices .pc .go{background:linear-gradient(135deg,var(--pc),var(--pcdk));border-radius:3px;box-shadow:0 8px 20px var(--pcsh);transition:transform .2s,box-shadow .2s,filter .2s}
.ly-prices .pc .go:hover{transform:translateY(-2px);filter:brightness(1.05)}
.ly-prices .pc .go.plain{background:#e2ebfd;box-shadow:none;color:#1f76c8}
.ly-prices .pc.hot{box-shadow:0 10px 30px var(--pcsh)}
.ly-prices .pc .tag{background:linear-gradient(135deg,var(--pc),var(--pcdk))}
@media(max-width:1000px){.feat19{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.feat19{grid-template-columns:1fr}}

/* ==== from huoma.php ==== */
/* ===== v19b: aifabu 企业官网版式（浅色 hero 左文右图 / 四特性条 / 场景tab / 核心优势） ===== */
:root{--pc:#2e8df1;--pcdk:#1f76c8;--pcbg:#eef4ff;--pcline:#d7e3fc}body{margin:0;background:#fff;font-family:'Microsoft YaHei',Arial,sans-serif;color:#1F2D3D}
.hero19{position:relative;background:linear-gradient(150deg,#eaf1ff 0%,#f7faff 52%,#edf3ff 100%);overflow:hidden}
.hero19::after{content:'';position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(46,141,241,.13),transparent 68%)}
.hero19-in{max-width:1160px;margin:0 auto;padding:56px 20px 64px;display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center;position:relative;z-index:2}
.hero19 h1{font-size:clamp(24px,2.57vw,37px);line-height:1.32;margin:0 0 16px;font-weight:800;color:#10224d;letter-spacing:.5px}
.hero19 h1 em{font-style:normal;color:#2e8df1}
.hero19 .sub{font-size:15px;color:#4a5d85;line-height:1.9;margin:0 0 24px;max-width:560px}
.gcard19{background:#fff;border-radius:16px;box-shadow:0 14px 40px rgba(46,141,241,.10);padding:26px 26px 24px}
.gcard19 h2{font-size:19px;color:#10224d;margin:0 0 6px;font-weight:700}
.gcard19 .gs{font-size:12.5px;color:#7d918d;margin-bottom:18px}
.tr-form{position:relative}
.tr-form label{display:block;font-size:13.5px;color:#435b56;font-weight:700;margin:14px 0 7px}
.tr-form input[type=text]{width:100%;box-sizing:border-box;height:44px;border:1px solid #d9e8e4;border-radius:9px;padding:0 14px;font-size:14px;outline:none}
.tr-form input[type=text]:focus{border-color:#2e8df1}
/* v19c27: 域名选择 + 网络图片地址 */
.tr-form select{width:100%;box-sizing:border-box;height:44px;border:1px solid #d9e8e4;border-radius:9px;padding:0 12px;font-size:14px;outline:none;background:#fff;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%232e8df1' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.tr-form select:focus{border-color:#2e8df1;box-shadow:0 0 0 3px #eef4ff}
.tr-form .hint{font-size:12px;color:#93a5b8;margin-top:6px;line-height:1.6}
.tr-file{display:block;border:2px dashed #c9d9ff;border-radius:11px;padding:22px 16px;text-align:center;color:#5a6b85;font-size:13px;cursor:pointer;transition:border-color .2s;background:#f7faff}
.tr-file:hover{border-color:#2e8df1}
.tr-file input{display:none}
.tr-file .big{font-size:14.5px;color:#1f76c8;font-weight:700;margin-bottom:4px}
#fname{margin-top:10px;min-height:36px;display:flex;align-items:center;justify-content:center;padding:6px 12px;box-sizing:border-box;border:1px dashed #d7e3fc;border-radius:3px;background:#fff;color:#9aa9c6;font-size:12.5px}
#fname.has{border:1px solid #bcd0fb;background:#eef4ff;color:#1f76c8;font-weight:700}
#fname.warn{border:1px solid #ff6200;background:#fff7ed;color:#b45309;font-weight:700}
.tr-btn{display:block;width:100%;height:48px;border:0;border-radius:3px;background:#2e8df1;color:#fff;font-size:16px;font-weight:700;letter-spacing:2px;cursor:pointer;margin-top:20px;transition:.2s}
.tr-btn:hover{background:#1f76c8}
.tr-err{position:fixed;top:16px;left:50%;transform:translate(-50%,0);width:auto;max-width:86vw;z-index:99999;display:none;background:#fef2f2;border:1px solid rgba(229,77,66,.35);color:#e54d42;font-size:14px;line-height:20px;border-radius:3px;padding:10px 18px;box-shadow:0 10px 30px rgba(190,60,50,.18);pointer-events:none;text-align:center;box-sizing:border-box;animation:trerrIn .22s ease}
@keyframes trerrIn{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
/* v19c27: 生成结果弹窗化（v19c5b 短链同款：fixed 居中 + 遮罩 + 关闭钮） */
.tr-ok{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;padding:30px 34px 28px;border-top:0;width:520px;max-width:92vw;max-height:86vh;overflow-y:auto;background:#fff;border-radius:16px;box-shadow:0 24px 70px rgba(10,30,60,.35);z-index:99990;display:none;text-align:center;box-sizing:border-box}
.tr-ok.on{display:block}
#sbMask{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(10,25,50,.45);z-index:99980}
.tr-ok .sbclose{position:absolute;top:10px;right:14px;width:30px;height:30px;line-height:30px;text-align:center;color:#98a6b8;font-size:15px;cursor:pointer;border-radius:50%;background:#f2f5f9;z-index:2}
.tr-ok .sbclose:hover{color:#5a6b85;background:#e8edf4}
.tr-ok .tt{font-size:15px;color:#1f76c8;font-weight:700;margin-bottom:14px}
.tr-ok img.qr,.tr-ok canvas{width:170px;height:170px;border:1px solid #e2ecec;border-radius:8px;background:#fff}
.tr-ok .lnk{margin-top:12px;font-size:15px;color:#1F2D3D;word-break:break-all}
.tr-ok .copy{display:inline-block;margin-top:10px;padding:7px 26px;border-radius:18px;background:#e6f7f5;color:#1f76c8;font-size:14px;font-weight:700;cursor:pointer;border:0}
.tr-ok .qrbtns{display:flex;gap:10px;justify-content:center;margin-top:14px}
.tr-ok .qrbtns button{flex:1;max-width:150px;padding:9px 0;border-radius:3px;font-size:14px;font-weight:700;cursor:pointer;border:0;transition:.2s}
.tr-ok .qrbtns .qb{background:#2e8df1;color:#fff}
.tr-ok .qrbtns .qb:hover{background:#1f76c8}
.tr-ok .qrbtns .qd{background:#eef4ff;color:#1f76c8;border:1px solid #d7e3fc}
.tr-ok .qrbtns .qd:hover{background:#e0ebff}
.tr-ok .exp{margin-top:12px;font-size:12px;color:#b0402f;background:#fdf3f2;border-radius:3px;padding:8px 12px;line-height:1.8}
.tr-ok .exp2{margin-top:8px;font-size:12px;color:#5a6b85;background:#f5f8fe;border-radius:3px;padding:8px 12px;line-height:1.8}
.trust19{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:#4a5d85}
.trust19 b{color:#1f76c8;font-weight:700;margin-right:3px}
.hero19-art svg{width:100%;height:auto;display:block;margin:0 auto}
@media(min-width:1001px){.hero19-art svg{width:85%}}
/* 四特性条 */
.fbar19{max-width:1160px;margin:56px auto 0;position:relative;z-index:6;background:#fff;border-radius:16px;box-shadow:0 12px 36px rgba(46,141,241,.08);padding:28px 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;border:1px solid #edf5f3}
.fbar19 .f{display:flex;gap:13px;align-items:flex-start}
.fbar19 .ic{width:46px;height:46px;border-radius:12px;background:var(--pcbg);display:flex;align-items:center;justify-content:center;flex:none}
.fbar19 .ic svg{width:22px;height:22px}
.fbar19 .t{font-size:15px;font-weight:700;color:#22344e}
.fbar19 .d{font-size:12px;color:#7c8ba1;margin-top:4px;line-height:1.65}
/* 通用区块 */
.sec19{max-width:1160px;margin:0 auto;padding:66px 20px 6px}
.sec19 .h{font-size:30px;font-weight:800;text-align:center;color:#17293f;margin:0 0 10px}
.sec19 .d{font-size:14px;color:#7c8ba1;text-align:center;margin:0 0 34px}
/* 应用场景 tab */
.tabs19{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.tab19{padding:9px 24px;border-radius:3px;background:#fff;border:1px solid #e3ebf5;color:#4d6076;font-size:14px;cursor:pointer;transition:.2s;user-select:none}
.tab19:hover{border-color:var(--pc);color:var(--pcdk)}
.tab19.on{background:var(--pc);border-color:var(--pc);color:#fff;font-weight:700}
.pane19{display:none;background:linear-gradient(120deg,var(--pcbg),#fff 78%);border-radius:20px;padding:46px 48px;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.pane19.on{display:grid}
.pane19 h3{font-size:22px;margin:0 0 12px;color:#1d3049}
.pane19 .pd{font-size:14px;color:#5a6b85;line-height:1.9;margin:0 0 16px}
.pane19 ul{list-style:none;padding:0;margin:0 0 24px}
.pane19 li{font-size:14px;color:#44576e;padding:5px 0 5px 24px;position:relative}
.pane19 li::before{content:'\2713';position:absolute;left:0;color:var(--pc);font-weight:800}
.pane19 .go{display:inline-block;padding:11px 32px;border-radius:3px;background:var(--pc);color:#fff;font-size:14px;font-weight:700;text-decoration:none}
.pane19 .go:hover{background:var(--pcdk)}
/* 手机 mockup */
.phw19{position:relative;height:330px;overflow:hidden;display:flex;justify-content:center;align-items:flex-start}
.ph19{width:250px;height:430px;flex:none;margin:0;background:#fff;border:7px solid #262e3e;border-radius:40px;position:relative;box-shadow:0 24px 48px rgba(25,45,80,.2),inset 0 0 0 2px rgba(255,255,255,.05);overflow:hidden}
.ph19::before{content:'';position:absolute;top:-1px;left:50%;transform:translateX(-50%);width:70px;height:17px;border-radius:0 0 11px 11px;background:#262e3e;z-index:4}
.ph19::after{content:'';position:absolute;right:-10px;top:112px;width:3px;height:46px;border-radius:0 2px 2px 0;background:#262e3e;box-shadow:0 -64px 0 0 #262e3e}
.phw19::before{content:'';position:absolute;left:calc(50% - 135px);top:119px;width:3px;height:56px;border-radius:2px 0 0 2px;background:#262e3e}
.ph19 .top{height:46px;background:#ededed;border-bottom:1px solid #dcdcdc;position:relative;flex:none}
.ph19 .top .tt{position:absolute;left:0;right:0;bottom:9px;text-align:center;font-size:13.5px;font-weight:700;letter-spacing:.5px;color:#15181d}
.ph19 .top .bk{position:absolute;left:14px;bottom:7px;font-size:19px;line-height:1;font-weight:700;color:#1a1a1a}
.ph19 .top .mo{position:absolute;right:14px;bottom:7px;line-height:1;font-weight:700;letter-spacing:1.5px;color:#1a1a1a}
.ph19 .top::before{content:'9:41';position:absolute;left:14px;top:6px;font-size:11px;font-weight:700;letter-spacing:.2px;color:#1a1a1a}
.ph19 .top::after{content:'';position:absolute;right:12px;top:8px;width:46px;height:11px;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='46' height='11' viewBox='0 0 46 11'><g fill='%231a1a1a'><rect x='0' y='7' width='2.4' height='4' rx='.8'/><rect x='3.6' y='5' width='2.4' height='6' rx='.8'/><rect x='7.2' y='3' width='2.4' height='8' rx='.8'/><rect x='10.8' y='1' width='2.4' height='10' rx='.8'/><path d='M17.5 4.2a7.4 7.4 0 0 1 9.4 0l-1.3 1.6a5.3 5.3 0 0 0-6.8 0z'/><path d='M19.2 6.4a4.6 4.6 0 0 1 6 0l-1.4 1.7a2.5 2.5 0 0 0-3.2 0z'/><circle cx='22.2' cy='9.6' r='1.3'/><rect x='30' y='1.5' width='13.5' height='8' rx='2.4' fill='none' stroke='%231a1a1a' stroke-width='1.1'/><rect x='31.4' y='2.9' width='9.2' height='5.2' rx='1.2'/><path d='M44.6 4v3.4a1.9 1.9 0 0 0 0-3.4z'/></g></svg>") no-repeat center/contain}
.ph19 .bd{height:calc(100% - 46px - 36px);background:#f2f3f5;padding:10px 10px 8px;display:flex;flex-direction:column;gap:8px;overflow:hidden;box-sizing:border-box}
.ph19 .ct{align-self:center;font-size:9px;color:#9aa0aa;background:#e0e3e8;border-radius:4px;padding:2px 7px;line-height:1.4}
.ph19 .row{display:flex;align-items:flex-start;gap:6px}
.ph19 .row.rv{flex-direction:row-reverse}
.ph19 .ava{width:26px;height:26px;border-radius:6px;flex:none;display:flex;align-items:center;justify-content:center}
.ph19 .ava svg{width:15px;height:15px;display:block}
.ph19 .ava.ke{background:linear-gradient(135deg,#7fcf9d,#4fb477)}
.ph19 .ava.me{background:linear-gradient(135deg,var(--pc),var(--pcdk))}
.ph19 .bub{max-width:170px;background:#fff;border-radius:3px 9px 9px 9px;padding:7px 10px;font-size:11px;color:#24292f;line-height:1.65;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.ph19 .row.rv .bub{background:#95ec69;border-radius:9px 3px 9px 9px}
.ph19 .ipt{position:absolute;left:0;right:0;bottom:0;height:36px;background:#f7f7f7;border-top:1px solid #e6e6e6;display:flex;align-items:center;gap:8px;padding:0 10px;box-sizing:border-box}
.ph19 .ipt b{flex:1;height:24px;background:#fff;border:1px solid #e2e2e2;border-radius:5px}
.ph19 .ipt i{width:22px;height:22px;border-radius:50%;background:#07c160;color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;font-style:normal}
/* 核心优势交错 */
.zag19{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;margin-bottom:52px}
.zag19 .zt h3{font-size:21px;color:#1d3049;margin:0 0 12px}
.zag19 .zt p{font-size:14px;color:#5a6b85;line-height:1.95;margin:0 0 20px}
.zag19 .zt .go{display:inline-block;padding:10px 30px;border-radius:3px;background:var(--pc);color:#fff;font-size:13.5px;font-weight:700;text-decoration:none}
.zag19 .zt .go.plain{background:var(--pcbg);color:var(--pcdk)}
.zag19.rev .zt{order:2}
.zag19.rev .zpic{order:1}
.zcard19{width:300px;height:216px;margin:0 auto;background:#fff;border-radius:16px;box-shadow:0 18px 44px rgba(30,70,130,.12);padding:20px;position:relative}
.zcard19 .bar{display:flex;gap:6px;margin-bottom:16px}
.zcard19 .bar i{width:10px;height:10px;border-radius:50%;background:#e3ebf5}
.zcard19 .bar i:first-child{background:var(--pc)}
.zcard19 .lnt{height:12px;border-radius:6px;background:#eef3f9;margin-bottom:10px}
.zcard19 .lnt.w1{width:82%}.zcard19 .lnt.w2{width:58%}.zcard19 .lnt.w3{width:70%}
.zcard19 .chart{position:absolute;left:20px;right:20px;bottom:18px;height:74px;display:flex;align-items:flex-end;gap:12px}
.zcard19 .chart b{flex:1;border-radius:6px 6px 0 0;background:linear-gradient(180deg,var(--pc),#8fdfd3);display:block}
/* 价格方案 */
.ly-prices{max-width:1100px;margin:0 auto 60px;padding:0 16px}
.ly-prices .cap{font-size:30px;font-weight:800;color:#17293f;text-align:center;margin-bottom:10px}
.ly-prices .capd{font-size:14px;color:#7c8ba1;text-align:center;margin-bottom:34px}
.ly-prices .row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ly-prices .pc{background:#fff;border-radius:14px;padding:28px 26px;box-shadow:0 4px 18px rgba(20,80,70,.07);border:1px solid #e8f1ef;position:relative}
.ly-prices .pc.hot{border:2px solid #2e8df1}
.ly-prices .pc .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#2e8df1;color:#fff;font-size:12px;padding:3px 14px;border-radius:10px;font-weight:700}
.ly-prices .pc .nm{font-size:16px;font-weight:700;color:#1F2D3D;margin-bottom:6px}
.ly-prices .pc .ds{font-size:12.5px;color:#8a97a8;margin-bottom:16px;line-height:1.6}
.ly-prices .pc .pr{font-size:26px;font-weight:700;color:#1f76c8;margin-bottom:16px}
.ly-prices .pc .pr small{font-size:13px;color:#8a97a8;font-weight:400}
.ly-prices .pc ul{list-style:none;padding:0;margin:0 0 20px}
.ly-prices .pc li{font-size:13px;color:#5a6b85;padding:5px 0 5px 22px;position:relative}
.ly-prices .pc li::before{content:'\2713';position:absolute;left:2px;color:#2e8df1;font-weight:700}
.ly-prices .pc li.no{color:#b6c2d1}
.ly-prices .pc li.no::before{content:'\2715';color:#c3ceda}
.ly-prices .pc .go{display:block;text-align:center;padding:10px 0;border-radius:3px;background:#2e8df1;color:#fff;font-size:14px;font-weight:700;text-decoration:none}
.ly-prices .pc .go.plain{background:#eef4ff;color:#1f76c8}
/* 响应式 */
@media(max-width:1000px){
.hero19-in{grid-template-columns:1fr;padding:44px 20px 56px}
.hero19-art{max-width:420px;margin:0 auto}
.fbar19{grid-template-columns:repeat(2,1fr);margin:20px 16px 0;padding:22px}
.pane19{grid-template-columns:1fr;padding:30px 24px}
.zag19{grid-template-columns:1fr;gap:26px}
.zag19.rev .zt{order:1}.zag19.rev .zpic{order:2}
.ly-prices .row{grid-template-columns:1fr;max-width:430px;margin:0 auto}
}
@media(max-width:560px){.fbar19{grid-template-columns:1fr}}
@media(max-width:560px){.hero19 h1{font-size:26px}.hero19 .sub{font-size:14px}.hero19-in{padding:44px 18px 30px}}
/* ===== v19c 美观精修：渐变按钮 / 精致图标 / 功能网格 / 微动效 ===== */
:root{--pcsh:rgba(46,141,241,.30)}
/* 按钮统一渐变+阴影+hover 抬升 */
.tr-btn,.pane19 .go,.zag19 .zt .go{background:linear-gradient(135deg,var(--pc) 0%,var(--pcdk) 100%);border:0;border-radius:3px;box-shadow:0 8px 20px var(--pcsh);transition:transform .2s,box-shadow .2s,filter .2s}
.tr-btn:hover,.pane19 .go:hover,.zag19 .zt .go:hover{transform:translateY(-2px);box-shadow:0 12px 26px var(--pcsh);filter:brightness(1.05)}
.zag19 .zt .go.plain{background:var(--pcbg);box-shadow:none}
.zag19 .zt .go.plain:hover{box-shadow:0 8px 18px var(--pcsh)}
.tr-btn:active{transform:translateY(0)}
/* 生成卡与输入聚焦 */
.gcard19{transition:box-shadow .25s}
.tr-form input:focus,.tr-form textarea:focus{border-color:var(--pc);box-shadow:0 0 0 3px var(--pcbg);outline:0}
.tr-file{transition:border-color .2s,box-shadow .2s}
.tr-file:hover{border-color:var(--pc);box-shadow:0 8px 20px rgba(46,141,241,.14)}
/* 四特性条：图标渐变底白线 */
.fbar19 .ic{background:linear-gradient(135deg,var(--pc),var(--pcdk));border-radius:14px;box-shadow:0 6px 14px var(--pcsh);transition:transform .25s}
.fbar19 .ic svg{stroke:#fff;width:24px;height:24px}
.fbar19 .f:hover .ic{transform:translateY(-3px) scale(1.06)}
/* 区块标题渐变短线 */
.sec19 .h::after,.ly-prices .cap::after{content:'';display:block;width:46px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--pc),var(--pcdk));margin:12px auto 0}
/* 场景 tab 选中渐变 */
.tab19.on{background:linear-gradient(135deg,var(--pc),var(--pcdk));box-shadow:0 6px 16px var(--pcsh)}
.pane19{border:1px solid rgba(46,141,241,.18);box-shadow:0 16px 40px rgba(46,141,241,.08)}
/* hero 徽章胶囊 */
.hero-badge19{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--pcline);border-radius:3px;padding:8px 18px;font-size:14.5px;color:var(--pcdk);font-weight:400;box-shadow:0 4px 12px rgba(46,141,241,.1);margin:0 0 18px}
.hero-badge19 i{width:8px;height:8px;border-radius:50%;background:var(--pc);animation:lyPulse 1.8s ease-in-out infinite}
@keyframes lyPulse{0%,100%{box-shadow:0 0 0 0 rgba(46,141,241,.45)}55%{box-shadow:0 0 0 7px rgba(46,141,241,0)}}
/* hero 插图浮动动画 */
@keyframes lyFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes lyFloat2{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}
.hero19-art svg .fl1{animation:lyFloat 4.6s ease-in-out infinite}
.hero19-art svg .fl2{animation:lyFloat2 5.4s ease-in-out infinite}
.hero19-art svg .fl3{animation:lyFloat 6s ease-in-out .8s infinite}
.hero19-art svg .scan2{animation:lyScan 3.6s ease-in-out infinite}
@keyframes lyScan{0%,100%{transform:translateY(0)}50%{transform:translateY(104px)}}
/* 活码功能网格 */
.feat19{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat19 .fc{position:relative;background:#fff;border:1px solid #e7eefc;border-radius:16px;padding:30px 26px 26px;box-shadow:0 4px 16px rgba(46,141,241,.05);transition:transform .25s,box-shadow .25s;overflow:hidden}
.feat19 .fc::before{content:'';position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--pc),var(--pcdk));opacity:0;transition:opacity .25s}
.feat19 .fc:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(46,141,241,.12)}
.feat19 .fc:hover::before{opacity:1}
.feat19 .fi{width:56px;height:56px;border-radius:15px;background:linear-gradient(135deg,var(--pc),var(--pcdk));display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 8px 18px var(--pcsh)}
.feat19 .fi{position:relative;overflow:hidden;border-radius:16px;transition:transform .25s}
.feat19 .fi::after{content:'';position:absolute;top:-60%;left:-45%;width:55%;height:220%;transform:rotate(28deg);background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.32),rgba(255,255,255,0))}
.feat19 .fi svg{width:28px;height:28px;stroke:#fff;stroke-width:2.2}
.feat19 .fc:hover .fi{transform:scale(1.07) rotate(-3deg)}
/* 六色渐变：每卡一色（后台功能卡风格，不随系统主色） */
.feat19 .fc:nth-child(1) .fi{background:linear-gradient(135deg,#38bdf8,#2563eb);box-shadow:0 8px 18px rgba(37,99,235,.3)}
.feat19 .fc:nth-child(2) .fi{background:linear-gradient(135deg,#a78bfa,#7c3aed);box-shadow:0 8px 18px rgba(124,58,237,.3)}
.feat19 .fc:nth-child(3) .fi{background:linear-gradient(135deg,#fb923c,#f97316);box-shadow:0 8px 18px rgba(249,115,22,.3)}
.feat19 .fc:nth-child(4) .fi{background:linear-gradient(135deg,#34d399,#10b981);box-shadow:0 8px 18px rgba(16,185,129,.3)}
.feat19 .fc:nth-child(5) .fi{background:linear-gradient(135deg,#f472b6,#ec4899);box-shadow:0 8px 18px rgba(236,72,153,.3)}
.feat19 .fc:nth-child(6) .fi{background:linear-gradient(135deg,#22d3ee,#0ea5e9);box-shadow:0 8px 18px rgba(14,165,233,.3)}
/* v19c3: 左图标右标题+描述布局 */
.feat19 .fc{display:grid;grid-template-columns:56px 1fr;grid-template-rows:auto auto;column-gap:16px;row-gap:6px;align-items:start;padding:26px 24px}
.feat19 .fi{grid-row:1/span 2;margin-bottom:0}
.feat19 .ft{grid-column:2;margin:0}
.feat19 .fd{grid-column:2;margin:0}
@media(max-width:560px){.feat19 .fc{grid-template-columns:48px 1fr;column-gap:13px}.feat19 .fi{width:48px;height:48px;border-radius:13px}.feat19 .fi svg{width:24px;height:24px}}
.feat19 .ft{font-size:16px;font-weight:700;color:#1F2D3D;margin:0 0 8px}
.feat19 .fd{font-size:13px;color:#7c8ba1;line-height:1.8;margin:0}
/* 核心优势卡描边 */
.zcard19{border:1px solid #e7eefc}
.zcard19::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:16px 16px 0 0;background:linear-gradient(90deg,var(--pc),var(--pcdk))}
/* 价格方案精修 */
.ly-prices .pc{transition:transform .25s,box-shadow .25s}
.ly-prices .pc:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(46,141,241,.12)}
.ly-prices .pc .pr{background:linear-gradient(135deg,var(--pc),var(--pcdk));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ly-prices .pc .pr small{-webkit-text-fill-color:#8a97a8;background:none}
.ly-prices .pc .go{background:linear-gradient(135deg,var(--pc),var(--pcdk));border-radius:3px;box-shadow:0 8px 20px var(--pcsh);transition:transform .2s,box-shadow .2s,filter .2s}
.ly-prices .pc .go:hover{transform:translateY(-2px);filter:brightness(1.05)}
.ly-prices .pc .go.plain{background:#eef4ff;box-shadow:none;color:#1f76c8}
.ly-prices .pc.hot{box-shadow:0 10px 30px var(--pcsh)}
.ly-prices .pc .tag{background:linear-gradient(135deg,var(--pc),var(--pcdk))}
@media(max-width:1000px){.feat19{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.feat19{grid-template-columns:1fr}}

/* ==== from short.php ==== */
/* v19c5b: 生成结果弹窗化（fixed 居中，遮罩/关闭钮由 JS 注入） */
.short_box{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;max-width:92vw;z-index:99990;border-radius:16px;box-shadow:0 24px 70px rgba(10,30,60,.35)}
@media(max-width:760px){.short_box{width:94vw;padding:16px}.short_box .urlinfo{width:calc(100% - 110px);margin-left:12px}}

/* ===== v19b: aifabu 企业官网版式（浅色 hero 左文右图 / 四特性条 / 场景tab / 核心优势） ===== */
:root{--pc:#2e8df1;--pcdk:#1f76c8;--pcbg:#eef4ff;--pcline:#d7e3fc}body{background:#fff;font-family:'Microsoft YaHei',Arial,sans-serif;color:#1F2D3D}
.hero19{position:relative;background:linear-gradient(150deg,#eaf1ff 0%,#f7faff 52%,#edf3ff 100%);overflow:hidden}
.hero19::after{content:'';position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(46,141,241,.12),transparent 68%)}
.hero19-in{max-width:1160px;margin:0 auto;padding:56px 20px 78px;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;position:relative;z-index:2}
.hero19 h1{font-size:clamp(24px,2.57vw,37px);line-height:1.32;margin:0 0 16px;font-weight:800;color:#17293f;letter-spacing:.5px}
.hero19 h1 em{font-style:normal;color:#2e8df1}
.hero19 .sub{font-size:clamp(13px,1.05vw,15px);color:#5a6b85;line-height:1.9;margin:0 0 28px;max-width:560px}
.sbar19{display:flex;background:#fff;border:1.5px solid var(--pcline);border-radius:12px;padding:5px 5px 5px 16px;align-items:center;box-shadow:0 8px 26px rgba(46,141,241,.08)}
.input .sbar19 input{flex:1;border:0;outline:0;font-size:15px;height:45px;line-height:45px;color:#333;background:transparent;min-width:0;padding:0;width:auto;vertical-align:baseline;border-radius:0}
.sbar19 input::placeholder{color:#a8b6c9}
.go19{flex:none;height:40px;line-height:40px;padding:0 28px;border-radius:3px;background:var(--pc);color:#fff;font-size:15px;font-weight:700;cursor:pointer;letter-spacing:2px;transition:.2s}
.go19:hover{background:var(--pcdk)}
.dom19{margin-top:24px;font-size:12.5px;color:#5f7290;display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.dom19 select{height:30px;border:1px solid #d7e4f2;border-radius:3px;padding:0 22px 0 8px;font-size:12.5px;color:#44576e;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2398a6b8' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 8px center/10px 6px;outline:none;-webkit-appearance:none;appearance:none;line-height:28px;cursor:pointer}/* v19e83z3：3px 微圆角；v19e83z7：appearance:none 回退自绘箭头+文字垂直居中 */
.dom19 label{cursor:pointer;display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
.dom19 input{accent-color:var(--pc)}
.quota19{margin-top:10px;font-size:12.5px;color:#7c8ba1}
.hero19-art{position:relative}
.hero19-art svg{width:100%;height:auto;display:block}
/* 生成结果浮层（保留原 .short_box 定位） */
.hero19 .short_box{z-index:30}
/* 四特性条 */
.fbar19{max-width:1160px;margin:56px auto 0;position:relative;z-index:6;background:#fff;border-radius:16px;box-shadow:0 12px 36px rgba(30,70,130,.09);padding:28px 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.fbar19 .f{display:flex;gap:13px;align-items:flex-start}
.fbar19 .ic{width:46px;height:46px;border-radius:12px;background:var(--pcbg);display:flex;align-items:center;justify-content:center;flex:none}
.fbar19 .ic svg{width:22px;height:22px}
.fbar19 .t{font-size:15px;font-weight:700;color:#22344e}
.fbar19 .d{font-size:12px;color:#7c8ba1;margin-top:4px;line-height:1.65}
/* 通用区块 */
.sec19{max-width:1160px;margin:0 auto;padding:66px 20px 6px}
.sec19 .h{font-size:30px;font-weight:800;text-align:center;color:#17293f;margin:0 0 10px}
.sec19 .d{font-size:14px;color:#7c8ba1;text-align:center;margin:0 0 34px}
/* 应用场景 tab */
.tabs19{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.tab19{padding:9px 24px;border-radius:3px;background:#fff;border:1px solid #e3ebf5;color:#4d6076;font-size:14px;cursor:pointer;transition:.2s;user-select:none}
.tab19:hover{border-color:var(--pc);color:var(--pcdk)}
.tab19.on{background:var(--pc);border-color:var(--pc);color:#fff;font-weight:700}
.pane19{display:none;background:linear-gradient(120deg,var(--pcbg),#fff 78%);border-radius:20px;padding:46px 48px;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.pane19.on{display:grid}
.pane19 h3{font-size:22px;margin:0 0 12px;color:#1d3049}
.pane19 .pd{font-size:14px;color:#5a6b85;line-height:1.9;margin:0 0 16px}
.pane19 ul{list-style:none;padding:0;margin:0 0 24px}
.pane19 li{font-size:14px;color:#44576e;padding:5px 0 5px 24px;position:relative}
.pane19 li::before{content:'\2713';position:absolute;left:0;color:var(--pc);font-weight:800}
.pane19 .go{display:inline-block;padding:11px 32px;border-radius:3px;background:var(--pc);color:#fff;font-size:14px;font-weight:700;text-decoration:none}
.pane19 .go:hover{background:var(--pcdk)}
/* 手机 mockup */
.phw19{position:relative;height:330px;overflow:hidden;display:flex;justify-content:center;align-items:flex-start}
.ph19{width:250px;height:430px;flex:none;margin:0;background:#fff;border:7px solid #262e3e;border-radius:40px;position:relative;box-shadow:0 24px 48px rgba(25,45,80,.2),inset 0 0 0 2px rgba(255,255,255,.05);overflow:hidden}
.ph19::before{content:'';position:absolute;top:-1px;left:50%;transform:translateX(-50%);width:70px;height:17px;border-radius:0 0 11px 11px;background:#262e3e;z-index:4}
.ph19::after{content:'';position:absolute;right:-10px;top:112px;width:3px;height:46px;border-radius:0 2px 2px 0;background:#262e3e;box-shadow:0 -64px 0 0 #262e3e}
.phw19::before{content:'';position:absolute;left:calc(50% - 135px);top:119px;width:3px;height:56px;border-radius:2px 0 0 2px;background:#262e3e}
.ph19 .top{height:46px;background:#ededed;border-bottom:1px solid #dcdcdc;position:relative;flex:none}
.ph19 .top .tt{position:absolute;left:0;right:0;bottom:9px;text-align:center;font-size:13.5px;font-weight:700;letter-spacing:.5px;color:#15181d}
.ph19 .top .bk{position:absolute;left:14px;bottom:7px;font-size:19px;line-height:1;font-weight:700;color:#1a1a1a}
.ph19 .top .mo{position:absolute;right:14px;bottom:7px;line-height:1;font-weight:700;letter-spacing:1.5px;color:#1a1a1a}
.ph19 .top::before{content:'9:41';position:absolute;left:14px;top:6px;font-size:11px;font-weight:700;letter-spacing:.2px;color:#1a1a1a}
.ph19 .top::after{content:'';position:absolute;right:12px;top:8px;width:46px;height:11px;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='46' height='11' viewBox='0 0 46 11'><g fill='%231a1a1a'><rect x='0' y='7' width='2.4' height='4' rx='.8'/><rect x='3.6' y='5' width='2.4' height='6' rx='.8'/><rect x='7.2' y='3' width='2.4' height='8' rx='.8'/><rect x='10.8' y='1' width='2.4' height='10' rx='.8'/><path d='M17.5 4.2a7.4 7.4 0 0 1 9.4 0l-1.3 1.6a5.3 5.3 0 0 0-6.8 0z'/><path d='M19.2 6.4a4.6 4.6 0 0 1 6 0l-1.4 1.7a2.5 2.5 0 0 0-3.2 0z'/><circle cx='22.2' cy='9.6' r='1.3'/><rect x='30' y='1.5' width='13.5' height='8' rx='2.4' fill='none' stroke='%231a1a1a' stroke-width='1.1'/><rect x='31.4' y='2.9' width='9.2' height='5.2' rx='1.2'/><path d='M44.6 4v3.4a1.9 1.9 0 0 0 0-3.4z'/></g></svg>") no-repeat center/contain}
.ph19 .bd{height:calc(100% - 46px - 36px);background:#f2f3f5;padding:10px 10px 8px;display:flex;flex-direction:column;gap:8px;overflow:hidden;box-sizing:border-box}
.ph19 .ct{align-self:center;font-size:9px;color:#9aa0aa;background:#e0e3e8;border-radius:4px;padding:2px 7px;line-height:1.4}
.ph19 .row{display:flex;align-items:flex-start;gap:6px}
.ph19 .row.rv{flex-direction:row-reverse}
.ph19 .ava{width:26px;height:26px;border-radius:6px;flex:none;display:flex;align-items:center;justify-content:center}
.ph19 .ava svg{width:15px;height:15px;display:block}
.ph19 .ava.ke{background:linear-gradient(135deg,#7fcf9d,#4fb477)}
.ph19 .ava.me{background:linear-gradient(135deg,var(--pc),var(--pcdk))}
.ph19 .bub{max-width:170px;background:#fff;border-radius:3px 9px 9px 9px;padding:7px 10px;font-size:11px;color:#24292f;line-height:1.65;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.ph19 .row.rv .bub{background:#95ec69;border-radius:9px 3px 9px 9px}
.ph19 .ipt{position:absolute;left:0;right:0;bottom:0;height:36px;background:#f7f7f7;border-top:1px solid #e6e6e6;display:flex;align-items:center;gap:8px;padding:0 10px;box-sizing:border-box}
.ph19 .ipt b{flex:1;height:24px;background:#fff;border:1px solid #e2e2e2;border-radius:5px}
.ph19 .ipt i{width:22px;height:22px;border-radius:50%;background:#07c160;color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;font-style:normal}
/* 核心优势交错 */
.zag19{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;margin-bottom:52px}
.zag19 .zt h3{font-size:21px;color:#1d3049;margin:0 0 12px}
.zag19 .zt p{font-size:14px;color:#5a6b85;line-height:1.95;margin:0 0 20px}
.zag19 .zt .go{display:inline-block;padding:10px 30px;border-radius:3px;background:var(--pc);color:#fff;font-size:13.5px;font-weight:700;text-decoration:none}
.zag19 .zt .go.plain{background:var(--pcbg);color:var(--pcdk)}
.zag19.rev .zt{order:2}
.zag19 .zpic{order:2}
.zag19.rev .zpic{order:1}
/* CSS 插画卡 */
.zcard19{width:300px;height:216px;margin:0 auto;background:#fff;border-radius:16px;box-shadow:0 18px 44px rgba(30,70,130,.12);padding:20px;position:relative}
.zcard19 .bar{display:flex;gap:6px;margin-bottom:16px}
.zcard19 .bar i{width:10px;height:10px;border-radius:50%;background:#e3ebf5}
.zcard19 .bar i:first-child{background:var(--pc)}
.zcard19 .lnt{height:12px;border-radius:6px;background:#eef3f9;margin-bottom:10px}
.zcard19 .lnt.w1{width:82%}.zcard19 .lnt.w2{width:58%}.zcard19 .lnt.w3{width:70%}
.zcard19 .chart{position:absolute;left:20px;right:20px;bottom:18px;height:74px;display:flex;align-items:flex-end;gap:12px}
.zcard19 .chart b{flex:1;border-radius:6px 6px 0 0;background:linear-gradient(180deg,var(--pc),#a8c2ff);display:block}
/* 响应式 */
@media(max-width:1000px){
.hero19-in{grid-template-columns:1fr;padding:44px 20px 60px}
.hero19-art{max-width:440px;margin:0 auto}
.fbar19{grid-template-columns:repeat(2,1fr);margin:-34px 16px 0;padding:22px}
.pane19{grid-template-columns:1fr;padding:30px 24px}
.zag19{grid-template-columns:1fr;gap:26px}
.zag19.rev .zt{order:1}.zag19.rev .zpic{order:2}
.ly-prod-grid{grid-template-columns:1fr;max-width:430px;margin:0 auto 50px}
}
@media(max-width:560px){.fbar19{grid-template-columns:1fr}.go19{padding:0 18px}}
/* ===== v19c 美观精修：渐变按钮 / 精致图标 / 功能网格 / 微动效 ===== */
:root{--pcsh:rgba(46,141,241,.30)}
/* 按钮统一渐变+阴影+hover 抬升 */
.go19,.pane19 .go,.zag19 .zt .go{background:linear-gradient(135deg,var(--pc) 0%,var(--pcdk) 100%);border:0;border-radius:3px;box-shadow:0 8px 20px var(--pcsh);transition:transform .2s,box-shadow .2s,filter .2s}
.go19:hover,.pane19 .go:hover,.zag19 .zt .go:hover{transform:translateY(-2px);box-shadow:0 12px 26px var(--pcsh);filter:brightness(1.05)}
.zag19 .zt .go.plain{background:var(--pcbg);box-shadow:none}
.zag19 .zt .go.plain:hover{box-shadow:0 8px 18px var(--pcsh)}
/* 输入条聚焦态 */
.sbar19{transition:border-color .2s,box-shadow .2s}
.sbar19:focus-within{border-color:var(--pc);box-shadow:0 10px 30px var(--pcsh)}
/* 四特性条：图标渐变底白线 */
.fbar19 .ic{background:linear-gradient(135deg,var(--pc),var(--pcdk));border-radius:14px;box-shadow:0 6px 14px var(--pcsh);transition:transform .25s}
.fbar19 .ic svg{stroke:#fff;width:24px;height:24px}
.fbar19 .f:hover .ic{transform:translateY(-3px) scale(1.06)}
/* 区块标题渐变短线 */
.sec19 .h::after,.ly-price-wrap .cap::after{content:'';display:block;width:46px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--pc),var(--pcdk));margin:12px auto 0}
/* 场景 tab 选中渐变 */
.tab19.on{background:linear-gradient(135deg,var(--pc),var(--pcdk));box-shadow:0 6px 16px var(--pcsh)}
.pane19{border:1px solid rgba(46,141,241,.16);box-shadow:0 16px 40px rgba(46,141,241,.08)}
/* hero 徽章胶囊 */
.hero-badge19{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--pcline);border-radius:3px;padding:8px 18px;font-size:14.5px;color:var(--pcdk);font-weight:400;box-shadow:0 4px 12px rgba(46,141,241,.1);margin:0 0 18px}
.hero-badge19 i{width:8px;height:8px;border-radius:50%;background:var(--pc);animation:lyPulse 1.8s ease-in-out infinite}
@keyframes lyPulse{0%,100%{box-shadow:0 0 0 0 rgba(46,141,241,.45)}55%{box-shadow:0 0 0 7px rgba(46,141,241,0)}}
/* hero 插图浮动动画 */
@keyframes lyFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes lyFloat2{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}
.hero19-art svg .fl1{animation:lyFloat 4.6s ease-in-out infinite}
.hero19-art svg .fl2{animation:lyFloat2 5.4s ease-in-out infinite}
.hero19-art svg .fl3{animation:lyFloat 6s ease-in-out .8s infinite}
/* 短链特色功能网格 */
.feat19{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat19 .fc{position:relative;background:#fff;border:1px solid #e6edf7;border-radius:16px;padding:30px 26px 26px;box-shadow:0 4px 16px rgba(30,60,120,.05);transition:transform .25s,box-shadow .25s;overflow:hidden}
.feat19 .fc::before{content:'';position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--pc),var(--pcdk));opacity:0;transition:opacity .25s}
.feat19 .fc:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(30,70,130,.13)}
.feat19 .fc:hover::before{opacity:1}
.feat19 .fi{width:56px;height:56px;border-radius:15px;background:linear-gradient(135deg,var(--pc),var(--pcdk));display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 8px 18px var(--pcsh)}
.feat19 .fi{position:relative;overflow:hidden;border-radius:16px;transition:transform .25s}
.feat19 .fi::after{content:'';position:absolute;top:-60%;left:-45%;width:55%;height:220%;transform:rotate(28deg);background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.32),rgba(255,255,255,0))}
.feat19 .fi svg{width:28px;height:28px;stroke:#fff;stroke-width:2.2}
.feat19 .fc:hover .fi{transform:scale(1.07) rotate(-3deg)}
/* 六色渐变：每卡一色（后台功能卡风格，不随系统主色） */
.feat19 .fc:nth-child(1) .fi{background:linear-gradient(135deg,#38bdf8,#2563eb);box-shadow:0 8px 18px rgba(37,99,235,.3)}
.feat19 .fc:nth-child(2) .fi{background:linear-gradient(135deg,#a78bfa,#7c3aed);box-shadow:0 8px 18px rgba(124,58,237,.3)}
.feat19 .fc:nth-child(3) .fi{background:linear-gradient(135deg,#fb923c,#f97316);box-shadow:0 8px 18px rgba(249,115,22,.3)}
.feat19 .fc:nth-child(4) .fi{background:linear-gradient(135deg,#34d399,#10b981);box-shadow:0 8px 18px rgba(16,185,129,.3)}
.feat19 .fc:nth-child(5) .fi{background:linear-gradient(135deg,#f472b6,#ec4899);box-shadow:0 8px 18px rgba(236,72,153,.3)}
.feat19 .fc:nth-child(6) .fi{background:linear-gradient(135deg,#22d3ee,#0ea5e9);box-shadow:0 8px 18px rgba(14,165,233,.3)}
/* v19c3: 左图标右标题+描述布局 */
.feat19 .fc{display:grid;grid-template-columns:56px 1fr;grid-template-rows:auto auto;column-gap:16px;row-gap:6px;align-items:start;padding:26px 24px}
.feat19 .fi{grid-row:1/span 2;margin-bottom:0}
.feat19 .ft{grid-column:2;margin:0}
.feat19 .fd{grid-column:2;margin:0}
@media(max-width:560px){.feat19 .fc{grid-template-columns:48px 1fr;column-gap:13px}.feat19 .fi{width:48px;height:48px;border-radius:13px}.feat19 .fi svg{width:24px;height:24px}}
.feat19 .ft{font-size:16px;font-weight:700;color:#1F2D3D;margin:0 0 8px}
.feat19 .fd{font-size:13px;color:#7c8ba1;line-height:1.8;margin:0}
/* 核心优势卡描边 */
.zcard19{border:1px solid #e6edf7}
.zcard19::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:16px 16px 0 0;background:linear-gradient(90deg,var(--pc),var(--pcdk))}
/* 价格方案精修 */
.ly-price-wrap .pc{transition:transform .25s,box-shadow .25s}
.ly-price-wrap .pc:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(30,70,130,.13)}
.ly-price-wrap .pc .pr{background:linear-gradient(135deg,var(--pc),var(--pcdk));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ly-price-wrap .pc .pr small{-webkit-text-fill-color:#8a97a8;background:none}
.ly-price-wrap .pc .go{background:linear-gradient(135deg,var(--pc),var(--pcdk));border-radius:10px;box-shadow:0 8px 20px var(--pcsh);transition:transform .2s,box-shadow .2s,filter .2s}
.ly-price-wrap .pc .go:hover{transform:translateY(-2px);filter:brightness(1.05)}
.ly-price-wrap .pc .go.plain{background:var(--pcbg);box-shadow:none;color:var(--pcdk)}
@media(max-width:1000px){.feat19{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.feat19{grid-template-columns:1fr}}

.ly-price-wrap{max-width:1100px;margin:0 auto 60px;padding:0 16px}
    .ly-price-wrap .cap{font-size:30px;font-weight:800;color:#17293f;text-align:center;margin-bottom:10px}
    .ly-price-wrap .capd{font-size:14px;color:#7c8ba1;text-align:center;margin-bottom:34px}
    .ly-price-wrap .row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .ly-price-wrap .pc{background:#fff;border-radius:14px;padding:28px 26px;box-shadow:0 4px 18px rgba(30,60,120,.07);border:1px solid #e8eef7;position:relative}
    .ly-price-wrap .pc.hot{border:2px solid #2e8df1}
    .ly-price-wrap .pc .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#2e8df1;color:#fff;font-size:12px;padding:3px 14px;border-radius:10px;font-weight:700}
    .ly-price-wrap .pc .nm{font-size:16px;font-weight:700;color:#1F2D3D;margin-bottom:6px}
    .ly-price-wrap .pc .ds{font-size:12.5px;color:#8a97a8;margin-bottom:16px;line-height:1.6}
    .ly-price-wrap .pc .pr{font-size:26px;font-weight:700;color:#1f76c8;margin-bottom:16px}
    .ly-price-wrap .pc .pr small{font-size:13px;color:#8a97a8;font-weight:400}
    .ly-price-wrap .pc ul{list-style:none;padding:0;margin:0 0 20px}
    .ly-price-wrap .pc li{font-size:13px;color:#5a6b85;padding:5px 0 5px 22px;position:relative}
    .ly-price-wrap .pc li::before{content:'\2713';position:absolute;left:2px;color:#2e8df1;font-weight:700}
    .ly-price-wrap .pc li.no{color:#b6c2d1}
    .ly-price-wrap .pc li.no::before{content:'\2715';color:#c3ceda}
    .ly-price-wrap .pc .go{display:block;text-align:center;padding:10px 0;border-radius:22px;background:#2e8df1;color:#fff;font-size:14px;font-weight:700;text-decoration:none}
    .ly-price-wrap .pc .go.plain{background:#eaf1ff;color:#1f76c8}
    @media(max-width:900px){.ly-price-wrap .row{grid-template-columns:1fr;max-width:430px;margin:0 auto}}

/* ==== inline-attr migration v19d3b (index/short/huoma/cards) ==== */
.sq19ico{width:14px;height:14px;vertical-align:-2px;margin-right:5px}
.sq19tip{color:rgba(255,255,255,.85);font-size:13px;margin:8px 0 0}
.hd19h{display:none}
.sel19p{color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 14px}/* v19e83z7：flex 行对齐，选择框与域名 radio 垂直对齐；v19e83z8：补 justify-content:center 修复整行跑左边缘 */
.sel19p label{cursor:pointer;display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
.sel19p input{accent-color:var(--pc)}
.sel19sel{width:100px;height:30px;border:none;border-radius:3px;-webkit-appearance:none;appearance:none;padding:0 24px 0 10px;font-size:13px;font-family:inherit;color:#333;line-height:30px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2398a6b8' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 9px center/10px 6px;cursor:pointer;outline:none}/* v19e83z3：3px 微圆角；v19e83z7：回退路径 appearance:none 自绘箭头，圆角/文字垂直居中在旧内核也生效 */
.em19blue{color:#2e8df1}
.mt19note{margin-top:20px}
.bg19w{background:#fff}
.bg19g{background:#FBFBFB}
.pad19{padding:40px 0}
.t19pt0{padding-top:0}
.mt26c{text-align:center;margin-top:26px}
.go19help{display:inline-block;padding:11px 36px;border-radius:3px;background:#2e8df1;color:#fff;font-size:14px;font-weight:700;text-decoration:none}
.ml19{margin-left:10px}
.art19m{margin:30px 0 0}
.tac19{text-align:center}
.pct19{margin:16px 0 10px;font-size:30px;font-weight:800;color:#1f76c8;letter-spacing:1px}
.lnt.lnt19c1{margin:0 auto 10px}
.lnt.lnt19c2{margin:0 auto;width:52%}
.chart b:nth-child(1){height:34%}
.chart b:nth-child(2){height:58%}
.chart b:nth-child(3){height:44%}
.chart b:nth-child(4){height:88%}
.chart b:nth-child(5){height:66%}
#copyToastWrap{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:99998;pointer-events:none}
.ct19box{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.75);color:#fff;padding:14px 28px;border-radius:8px;font-size:15px;text-align:center;pointer-events:auto}
.ct19ico{font-size:16px;margin-bottom:6px}
#copyToastLogin{margin-top:10px}

/* v19d9d: huoma 生成表单类型切换（链接活码默认） */
.hmtype19{display:flex;gap:8px;margin-bottom:14px}
.hmtype19 .t{flex:1;text-align:center;padding:9px 0;border:1px solid #d7e3fc;border-radius:3px;font-size:13px;color:#5a6b8c;cursor:pointer;transition:all .18s;background:#fff}
.hmtype19 .t:hover{border-color:#2e8df1;color:#2e8df1}
.hmtype19 .t.on{background:#2e8df1;border-color:#2e8df1;color:#fff;font-weight:700}
#pnlImg{display:none}
#hmForm19[data-mode="img"] #pnlImg{display:block}
#hmForm19[data-mode="img"] #pnlLink{display:none}
#hmForm19 textarea{height:auto;min-height:110px;resize:vertical;line-height:1.7}
.hm-link-hint19{margin-top:8px}

/* v19e83z：修复浏览器自动填充淡紫底与白卡输入条不协调（Chrome autofill 强制 #e8f0fe 底色，inset 白底填满+文字色固定+超长 transition 防回填动画） */
.sbar19 input:-webkit-autofill,.sbar19 input:-webkit-autofill:hover,.sbar19 input:-webkit-autofill:focus{-webkit-box-shadow:0 0 0 1000px #fff inset;box-shadow:0 0 0 1000px #fff inset;-webkit-text-fill-color:#333;caret-color:#333;transition:background-color 99999s ease-in-out 0s;}

/* v19e83z4：Chrome135+ appearance:base-select 自定义下拉弹层（弹层圆角 3px 与本体统一；@supports 包裹，旧浏览器自动回退原生弹层零影响） */
@supports (appearance:base-select){
.sel19sel{appearance:base-select;padding:0 24px 0 10px;font-size:13px;font-family:inherit;color:#333;white-space:nowrap;background:#fff;display:inline-flex;align-items:center;line-height:normal}/* v19e83z7：inline-flex+align-items:center 修复文字不垂直居中 */
.sel19sel::picker(select){appearance:base-select;margin:4px 0 0;border:1px solid #d7e4f2;border-radius:3px;background:#fff;box-shadow:0 6px 18px rgba(20,50,120,.16);padding:3px 0;overflow:hidden;position-area:self-end span-self-start;position-try-fallbacks:none}/* v19e83z9：picker 本体必须同样声明 base-select（缺它悬停高亮走内部原生深灰、面板样式被架空）；overflow:hidden 裁掉选项矩形溢出保 3px 圆角；v19e83z10：固定向下弹出（UA 默认偏好向上、空间不足才翻下）+禁翻转回退 */
.sel19sel option{padding:5px 12px;line-height:17px;min-height:0;color:#333;font-size:13px;cursor:pointer}/* v19e83z10：压掉 UA 的 option min-height:24px（行高 36→27） */
.sel19sel option:not(:first-child){border-top:1px solid #e8eef7}/* v19e83z10：选项间分隔线，选中/悬停高亮块与相邻项分界 */
.sel19sel option:first-child{border-radius:3px 3px 0 0}
.sel19sel option:last-child{border-radius:0 0 3px 3px}
.sel19sel option:enabled:hover,.sel19sel option:hover,.sel19sel option:enabled:active,.sel19sel option:active,.sel19sel option:checked{background:#2e8df1;color:#fff}/* v19e83z9：补 :enabled/:active 变体覆盖 UA 的 color-mix 悬停按下规则 */
.sel19sel option::checkmark{display:none}/* v19e83z9：picker 进 base 模式后 UA 默认给选中项画勾，隐藏保持原设计 */
.dom19 select{appearance:base-select;white-space:nowrap;background:#fff;display:inline-flex;align-items:center;line-height:normal}
.dom19 select::picker(select){appearance:base-select;margin:4px 0 0;border:1px solid #d7e4f2;border-radius:3px;background:#fff;box-shadow:0 6px 18px rgba(20,50,120,.16);padding:3px 0;overflow:hidden;position-area:self-end span-self-start;position-try-fallbacks:none}/* v19e83z10：同款固定向下弹出 */
.dom19 select option{padding:5px 10px;line-height:17px;min-height:0;color:#44576e;font-size:12.5px;cursor:pointer}/* v19e83z10：压 min-height（行高 34→27） */
.dom19 select option:not(:first-child){border-top:1px solid #e8eef7}/* v19e83z10：分隔线 */
.dom19 select option:first-child{border-radius:3px 3px 0 0}
.dom19 select option:last-child{border-radius:0 0 3px 3px}
.dom19 select option:enabled:hover,.dom19 select option:hover,.dom19 select option:enabled:active,.dom19 select option:active,.dom19 select option:checked{background:#2e8df1;color:#fff}
.dom19 select option::checkmark{display:none}
}

/* ==== v19e83z26 公开页手机端适配（390 视口实测：.main 定宽 1200 致导航/帮助区/页脚溢出、页脚左切、帮助区文案跑偏；tr-err 改文档流横幅） ==== */
@media(max-width:767px){
.main{width:auto;max-width:100%;box-sizing:border-box}
.header{height:auto}
.header .main{display:flex;flex-wrap:wrap;align-items:center;height:auto;padding:0 12px;position:relative}
.header .logo{display:block;height:34px;width:auto;margin:0}
.menu{float:none;height:auto;line-height:normal;display:flex;align-items:center;white-space:nowrap;max-width:none;margin:18px 0 0;overflow:visible;flex:1 1 100%}
.header .menu{position:static}
.menu .nv-item{display:inline-block;margin-right:0}
.menu a{font-size:14px;margin-right:0;line-height:43px;height:43px;display:inline-block;white-space:nowrap}
.menu .nv-item > a{font-size:14px;color:#333;margin-right:0}
.menu > a{margin-right:14px}
.menu .nv-item{margin-right:14px}
.menu .nv-item:last-of-type{margin-right:0}
.menu .nv-item > a .car{display:none}
.menu button{position:absolute;top:10px;right:12px;margin:0;font-size:13px;font-weight:700;padding:5px 14px;line-height:1.5;border-radius:3px;font-family:inherit}
.nv-item .sub{display:none}
.footer{height:auto;padding:42px 0 28px}
.footer .main{display:block;padding:0 20px}
.footer .l1,.footer .l2,.footer .l3{display:block;width:100%}
.footer .l2{margin-top:24px}
.footer .l3{margin-top:24px}
.footer .logos{margin-top:26px}
.bg19g .pad19{padding:32px 16px}
/* v19e83z33: 移动端错误提示正中浮层（PC 保持顶部不动）；复制提示框 3px */
.tr-err{top:50%;transform:translate(-50%,-50%)}
@keyframes trerrIn{from{opacity:0;transform:translate(-50%,-50%) translateY(8px)}to{opacity:1;transform:translate(-50%,-50%)}}
.ct19box{border-radius:3px}
}

/* v20260920n: 手机宽度下活码/卡片系统页 tab 上二下三 + 免费试用右下（PC 桌面渲染不受影响） */
@media(max-width:767px){
.tabs19{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.tabs19 .tab19{box-sizing:border-box;width:auto;padding:9px 4px;font-size:12px;white-space:nowrap;text-align:center}
.tabs19 .tab19:nth-child(1){grid-column:2/span 2;grid-row:1}
.tabs19 .tab19:nth-child(2){grid-column:4/span 2;grid-row:1}
.tabs19 .tab19:nth-child(3){grid-column:1/span 2;grid-row:2}
.tabs19 .tab19:nth-child(4){grid-column:3/span 2;grid-row:2}
.tabs19 .tab19:nth-child(5){grid-column:5/span 2;grid-row:2}
.pane19 .go{display:block;width:max-content;margin:0 0 0 auto;text-align:center}
.zag19 .zt .go,.go19{display:block;width:max-content;margin:0 0 0 auto;text-align:center}
/* v20260920r: 核心优势区手机单列堆叠，杜绝 1fr 1fr + 300px 卡片溢出屏幕 */
.zag19{grid-template-columns:1fr;gap:18px;margin-bottom:36px}
.zag19.rev .zt{order:0}
.zag19.rev .zpic{order:1}
.zcard19{width:100%;max-width:300px}
.sec19{padding:40px 16px 44px}
}

/* v20260920o: 帮助中心手机四教程条只在 wap_seo_help.css 显示，PC 一律隐藏 */
.help-mstrip{display:none}

/* z150: 域名选择下方自有域名提示（PC 首页+短链系统） */
.dm-tip{margin:8px 0 0;padding:0;font-size:12px;line-height:1.7;color:#475467;text-align:center;}
.dm-tip b{color:#2e8df1;font-weight:700;}
.dm-tip-onblue{color:rgba(255,255,255,.95);}
.dm-tip-onblue b{color:#ffe58a;}

/* z151: 三系统页头大字——各按系统色系渐变（蓝/青/紫），base 蓝色纯色兜底其它页 */
body.sys-short .hero19 h1 em{background:linear-gradient(90deg,#48d2e9,#2e8df1);-webkit-background-clip:text;background-clip:text;color:transparent}
body.sys-huoma .hero19 h1 em{background:linear-gradient(90deg,#33cabb,#1fa394);-webkit-background-clip:text;background-clip:text;color:transparent}
body.sys-cards .hero19 h1 em{background:linear-gradient(90deg,#9b7df8,#7a5af8);-webkit-background-clip:text;background-clip:text;color:transparent}





/* ===== v20260922b: PC 端导航吸顶（悬浮顶部，不随页面滚动） =====
   768px 以上生效（小于此宽度走响应式头部，头部会换行变高，不吸顶）。
   注意：条内 .header{position:relative} 仍保留，本规则同特异性靠后覆盖。
   sticky 生效前提是滚动容器为视口 —— html{overflow-x:hidden} 不影响，
   但 body{overflow-x:hidden} 会破坏（已在 v20260922a 修正）。 */
@media (min-width:768px){
	.header{position:-webkit-sticky;position:sticky;top:0;z-index:50}
}

/* ===== v20260922c: 帮助文档「序号 / 序号徽章 / 标题下划线 / 步骤卡」排版重做 =====
   统一徽章规则（跨项目铁律）：圆角 3px 方角（绝不做胶囊/圆形）、同色淡底 0.10、
   同色描边 0.35、字重 400。序号一律「左徽章 + 右标题」同行，不再上下两行。
   注意：本段故意加 .seo-content 前缀提高特异性，用来压过后加载的
   wap_seo.css 里 .seo-content h2{font-size:18px;margin:20px 0 10px}。 */

/* —— 章节标题：序号徽章与标题同行，标题下改为整幅细分隔线（替掉原来那根 46px 渐变短杠）—— */
.seo-content h2.hp-h2{
	display:flex;align-items:center;gap:10px;
	font-size:20px;font-weight:700;color:#12263C;line-height:1.4;
	padding:0 0 12px;margin:30px 0 16px;
	border-bottom:1px solid #edf1f7;scroll-margin-top:76px;
}
.seo-content h2.hp-h2::after{display:none}
.seo-content h2.hp-h2 em{
	flex:none;display:inline-flex;align-items:center;justify-content:center;
	box-sizing:border-box;min-width:32px;height:23px;padding:0 8px;margin:0;
	font-style:normal;font-size:12.5px;font-weight:400;letter-spacing:.5px;
	font-variant-numeric:tabular-nums;line-height:1;
	color:#2e8df1;background:rgba(46,141,241,.10);
	border:1px solid rgba(46,141,241,.35);border-radius:3px;
}

/* —— 步骤卡：徽章与标题同一行（左徽章 / 右标题），说明文字整幅铺开 —— */
.seo-content .hp-steps{gap:12px}
.seo-content .hp-step{
	display:grid;grid-template-columns:auto 1fr;column-gap:9px;align-items:center;
	background:#fff;border:1px solid #e8eef8;border-radius:10px;padding:14px 15px;
	box-shadow:0 1px 2px rgba(18,38,60,.04);
	transition:border-color .2s,box-shadow .2s,transform .2s;
}
.seo-content .hp-step:hover{border-color:#cfe0fb;box-shadow:0 8px 20px rgba(46,141,241,.09);transform:translateY(-2px)}
.seo-content .hp-step .n{
	grid-column:1;grid-row:1;display:inline-flex;align-items:center;justify-content:center;
	box-sizing:border-box;width:auto;min-width:24px;height:24px;padding:0 7px;margin:0;
	font-size:12.5px;font-weight:400;line-height:1;font-variant-numeric:tabular-nums;
	color:#2e8df1;background:rgba(46,141,241,.10);
	border:1px solid rgba(46,141,241,.35);border-radius:3px;
}
.seo-content .hp-step .t{grid-column:2;grid-row:1;margin:0;font-size:15px;font-weight:700;color:#1F2D3D;line-height:1.4}
.seo-content .hp-step .d{grid-column:1 / -1;grid-row:2;margin-top:9px;font-size:13px;color:#5a6b85;line-height:1.8}
.seo-content .hp-step .d a{color:#2e8df1;font-weight:700}

/* —— FAQ 的 Q1..Q10 序号：同一套徽章，与问题同行 —— */
.seo-content .hp-qa{border-radius:10px;padding:15px 18px;margin:12px 0}
.seo-content .hp-qa h3{display:flex;align-items:flex-start;gap:9px;font-size:15px;font-weight:700;color:#1F2D3D;margin:0 0 8px;line-height:1.5}
.seo-content .hp-qa h3 em{
	flex:none;display:inline-flex;align-items:center;justify-content:center;
	box-sizing:border-box;min-width:30px;height:22px;padding:0 7px;margin:1px 0 0;
	font-style:normal;font-size:12px;font-weight:400;letter-spacing:.3px;font-variant-numeric:tabular-nums;line-height:1;
	color:#2e8df1;background:rgba(46,141,241,.10);
	border:1px solid rgba(46,141,241,.35);border-radius:3px;
}
.seo-content .hp-qa p{font-size:13.5px;color:#5a6b85;line-height:1.85}

/* —— 其余卡片圆角与提示块留白统一（10px 卡片 / 8px 小件 / 3px 徽章）—— */
.seo-content .hp-card,
.seo-content .hp-faqrow a{border-radius:10px}
.seo-content .hp-meta span{border:1px solid rgba(46,141,241,.35)}
.seo-content ul li::marker{color:#2e8df1}

@media(max-width:768px){
	.seo-content h2.hp-h2{font-size:18px;gap:8px;padding:0 0 10px;margin:26px 0 13px}
	.seo-content h2.hp-h2 em{min-width:29px;height:21px;padding:0 6px;font-size:11.5px}
	.seo-content .hp-step{padding:13px 14px}
	.seo-content .hp-step .t{font-size:14.5px}
	.seo-content .hp-step .d{margin-top:8px}
	.seo-content .hp-qa{padding:14px 15px}
	.seo-content .hp-qa h3{font-size:14.5px}
}


/* ===== v20260922d: H3 级序号改「无框圆形徽章」，与 H2 的方框徽章拉开层级 =====
   设计语言：H2（章节 01–06）= 方框 + 0.35 描边 —— 正式、重，作为大分节；
             H3（步骤 1–4、FAQ Q1–Q10）= 圆形 + 无描边淡底实心圆 —— 轻、亲和。
   形状对比（方角 vs 圆形）本身就构成层级，不需要再靠颜色深浅区分。
   本段只覆盖徽章造型，v20260922c 里的「徽章与标题同行」布局、标题下整幅分隔线、
   卡片白底/圆角/投影一律不动。注意 FAQ 的 Q10 是 3 字符，圆盘做到 26px 才不挤。 */
.seo-content .hp-step .n{
	width:26px;height:26px;min-width:0;padding:0;border:0;border-radius:50%;
	font-size:12.5px;font-weight:400;letter-spacing:0;
	color:#2e8df1;background:rgba(46,141,241,.13);
}
.seo-content .hp-qa h3 em{
	width:26px;height:26px;min-width:0;padding:0;border:0;border-radius:50%;
	margin-top:-2px;
	font-size:11px;font-weight:400;letter-spacing:0;
	color:#2e8df1;background:rgba(46,141,241,.13);
}

@media(max-width:768px){
	.seo-content .hp-step .n{width:24px;height:24px;font-size:12px}
	.seo-content .hp-qa h3 em{width:25px;height:25px;margin-top:-2px;font-size:10.5px}
}

/* ===== 首页 CTA 横幅 & 页脚视觉（贴合全站卡片/白底风格） ===== */
.cta{width:100%;margin:70px 0;padding:0;}
.cta-card{
    position:relative;overflow:hidden;
    background:linear-gradient(105deg,#2e8df1 0%,#45a9f1 48%,#52e5ed 100%);
    border-radius:0;
    padding:66px max(24px, calc((100% - 1160px)/2));
    display:flex;align-items:center;justify-content:space-between;gap:50px;
    box-shadow:0 10px 26px rgba(69,169,241,.22);
    transition:box-shadow .3s ease;
}
.cta-card:hover{box-shadow:0 14px 32px rgba(69,169,241,.28);}
.cta-card::before{
    content:"";position:absolute;top:-55%;right:-6%;width:360px;height:360px;border-radius:50%;
    background:radial-gradient(circle, rgba(255,255,255,.22), rgba(255,255,255,0) 70%);pointer-events:none;
}
.cta-card::after{
    content:"";position:absolute;bottom:-75%;left:-5%;width:300px;height:300px;border-radius:50%;
    background:radial-gradient(circle, rgba(255,255,255,.14), rgba(255,255,255,0) 70%);pointer-events:none;
}
.cta-badge{
    position:relative;z-index:1;display:inline-block;font-size:13px;font-weight:400;color:#2e8df1;
    background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.6);
    border-radius:3px;padding:5px 12px;margin-bottom:18px;
}
.cta-title{position:relative;z-index:1;font-size:30px;font-weight:700;color:#fff;line-height:1.45;margin:0 0 14px;text-shadow:0 2px 10px rgba(0,0,0,.12);}
.cta-sub{position:relative;z-index:1;font-size:15px;color:rgba(255,255,255,.92);margin:0 0 28px;}
.cta-btn{
    position:relative;z-index:1;display:inline-block;background:#fff;color:#2e8df1;font-size:15px;font-weight:700;
    padding:13px 36px;border-radius:5px;text-decoration:none;
    border:1px solid transparent;
    transition:background .25s ease,color .25s ease,border-color .25s ease,box-shadow .2s;
    box-shadow:0 6px 18px rgba(0,0,0,.18);
}
.cta-btn:hover{
    background:#45a9f1;color:#fff;border-color:rgba(255,255,255,.7);
    box-shadow:0 10px 26px rgba(0,0,0,.26);
}
.cta-visual{position:relative;z-index:1;flex-shrink:0;width:168px;height:168px;filter:drop-shadow(0 8px 22px rgba(0,0,0,.20));}
.cta-visual svg{width:100%;height:100%;}

/* —— 飘落花瓣（花花）装饰 —— */
.cta-deco{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0;}
.cta-deco span{position:absolute;will-change:transform;}

.d-petal{width:20px;height:20px;border-radius:0 80% 0 80%;top:-22px;opacity:0;}
.d-petal-1{left:16%;background:rgba(255,255,255,.55);animation:petalFall 13s linear infinite 0s;}
.d-petal-2{left:38%;background:rgba(255,210,228,.6);animation:petalFall 16s linear infinite 3s;}
.d-petal-3{left:60%;background:rgba(255,255,255,.5);animation:petalFall 11s linear infinite 6s;}
.d-petal-4{left:82%;background:rgba(255,222,238,.6);animation:petalFall 15s linear infinite 1.5s;}

@keyframes petalFall{
    0%{transform:translate(0,-22px) rotate(0);opacity:0;}
    14%{opacity:.6;}
    86%{opacity:.6;}
    100%{transform:translate(40px,340px) rotate(380deg);opacity:0;}
}

.footer{
    background:#f8fafc;border-top:1px solid #e8edf5;color:#5a6b85;padding:56px 0 0;height:auto;margin-top:60px;
}
.footer .main{max-width:1160px;margin:0 auto;padding:0 20px;}
.ft-grid{display:grid;grid-template-columns:1.15fr .85fr .95fr .95fr;gap:40px;margin-bottom:40px;}
.ft-col h4{
    font-size:15px;font-weight:700;color:#12263C;margin:0 0 18px;
}
.ft-logo{display:flex;align-items:center;gap:10px;}
.ft-logo img{width:34px;height:34px;border-radius:8px;}
.ft-logo-text{display:flex;flex-direction:column;gap:2px;}
.ft-logo-text .ft-brand{font-size:18px;font-weight:700;color:#12263C;line-height:1.2;}
.ft-logo-text .ft-slogan{font-size:14px;font-weight:700;color:#12263C;line-height:1.2;}
.ft-desc{font-size:13.5px;line-height:1.9;margin:14px 0 0;color:#7891ad;}
.ft-links{display:flex;gap:28px;}
.ft-link-group a{display:block;font-size:14px;color:#5a6b85;text-decoration:none;margin-bottom:10px;
    transition:color .2s;}
.ft-link-group a:hover{color:#45a9f1;}
.ft-cs-row{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.ft-cs-icon{width:32px;height:32px;flex:none;border-radius:50%;transition:transform .25s;}
.ft-cs-icon.wx{animation:csPulseW 2.6s ease-out infinite;}
.ft-cs-icon.qq{animation:csPulseQ 2.6s ease-out infinite;}
.ft-cs-icon.wx:hover,.ft-cs-icon.qq:hover{transform:scale(1.12);}
@keyframes csPulseW{0%{box-shadow:0 0 0 0 rgba(7,193,96,.45)}70%{box-shadow:0 0 0 9px rgba(7,193,96,0)}100%{box-shadow:0 0 0 0 rgba(7,193,96,0)}}
@keyframes csPulseQ{0%{box-shadow:0 0 0 0 rgba(18,183,245,.45)}70%{box-shadow:0 0 0 9px rgba(18,183,245,0)}100%{box-shadow:0 0 0 0 rgba(18,183,245,0)}}
.ft-cs-name{font-size:12px;color:#9aa7bd;margin-bottom:1px;}
.ft-cs-num{font-size:15px;color:#12263C;font-weight:600;letter-spacing:.5px;}
.ft-time{font-size:12px;color:#9aa7bd;margin:4px 0 0;}
.ft-qr{display:flex;gap:36px;}
.ft-qr-card{background:#fff;border:1px solid #e3e9f3;border-radius:8px;padding:4px 5px 8px;text-align:center;
    box-shadow:0 2px 8px rgba(0,0,0,.03);transition:box-shadow .25s,transform .25s;}
.ft-qr-card:hover{box-shadow:0 6px 18px rgba(69,169,241,.12);}
.ft-qr-card .ft-qr-logo{height:30px;max-width:100%;object-fit:contain;display:block;margin:0 auto 2px;border-radius:0;}
.ft-qr-card .ft-qr-code{width:92px;height:92px;border-radius:8px;display:block;object-fit:cover;margin:0 auto 2px;}
.ft-qr-card span{font-size:12px;color:#5a6b85;line-height:1.5;display:block;}
.ft-qr-card .qr19-ticon{width:15px;height:15px;vertical-align:-2.5px;margin-right:5px;display:inline-block;}
.ft-logos{
    display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;
    padding:18px 0;border-top:1px solid #e8edf5;border-bottom:1px solid #e8edf5;margin-bottom:22px;
}
.ft-logos-title{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:#12263C;flex:none;margin-right:6px;}
.ft-logos-icon{width:18px;height:18px;color:#45a9f1;}
.ft-logos a{flex:none;}
.ft-logos img{height:45px;width:auto;border-radius:4px;opacity:.72;filter:grayscale(80%);transition:opacity .2s,transform .2s,filter .2s;}
.ft-logos img:hover{opacity:1;filter:grayscale(0%);}
.ft-copyright{text-align:center;font-size:12px;color:#9aa7bd;padding:20px 0 28px;}
.ft-copyright a{color:#9aa7bd;text-decoration:none;transition:color .2s;}
.ft-copyright a:hover{color:#45a9f1;}

/* 微信客服弹窗：logo + 二维码 + 文字说明 */
.wx-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.6);z-index:9999;display:none;align-items:center;justify-content:center;}
.wx-modal-box{background:#fff;border-radius:16px;padding:28px 32px;text-align:center;max-width:320px;width:90%;box-shadow:0 16px 48px rgba(0,0,0,.22);}
.wx-modal-title{font-size:18px;font-weight:700;color:#12263C;margin-bottom:16px;}
.wx-modal-logo{height:52px;max-width:260px;object-fit:contain;display:block;margin:0 auto 8px;border-radius:0;}
.wx-modal-qr{width:200px;height:200px;border-radius:10px;display:block;margin:0 auto 6px;object-fit:cover;}
.wx-modal-tip{font-size:13px;color:#5a6b85;line-height:1.5;margin-bottom:6px;}
.wx-modal-id{font-size:14px;color:#12263C;font-weight:600;margin-bottom:20px;}
.wx-modal-close{padding:9px 32px;background:#45a9f1;color:#fff;border:1px solid #45a9f1;border-radius:20px;cursor:pointer;font-size:14px;line-height:1.5;transition:background .2s,border-color .2s;}
.wx-modal-close:hover{background:#2e8df1;border-color:#2e8df1;}

@media(max-width:980px){
    .ft-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media(max-width:720px){
    .cta{margin:48px 0;width:100%;}
    .cta-card{padding:44px 24px;border-radius:0;flex-direction:column;gap:26px;text-align:center;}
    .cta-visual{width:130px;height:130px;}
    .cta-title{font-size:24px;}
    .cta-sub{font-size:14px;}
    .cta-btn{padding:11px 30px;font-size:14px;}
    .ft-grid{grid-template-columns:1fr;gap:28px;margin-bottom:32px;}
    .ft-qr{justify-content:flex-start;}
    .ft-logos{justify-content:center;}
    .ft-logos-title{width:100%;justify-content:center;margin-bottom:6px;}
    .footer{padding:42px 0 0;margin-top:40px;}
}
/* ==== custom.php banner标题：文字替代index_title.webp图片 ==== */
.custom-banner{background-image:url('../media/img/features_15.jpg');background-size:cover;background-position:center top;background-repeat:no-repeat;text-align:center;}
.custom-seo-h1{display:none;}
.custom-banner-txt{padding-top:80px;color:#fff;}
.custom-banner-txt .bt19-h{margin:0 0 16px;font-size:62px;}
.custom-bt-sub{font-size:30px;color:#fff;letter-spacing:1px;margin:0;}
/* 自定义后缀页：上下输入框等宽左右对齐（仅PC，不动移动端） */
.custom-banner .input .url2{width:900px;box-sizing:border-box;display:block;margin:0 auto;}
#form2 .search-view{display:flex;width:900px;margin:20px auto 0;height:60px;background:#fff;border-radius:10px;overflow:hidden;box-sizing:border-box;}
#form2 .search-view > div{display:flex;flex:none;}
#form2 .search-view select,#form2 .search-view .url3{height:60px;line-height:60px;box-sizing:border-box;border:none;border-radius:0;}
#form2 .search-view select[name=type]{width:150px;padding:0 30px 0 12px;border-right:1px solid rgba(69,169,241,.22);}
#form2 .search-view select[name=domain]{width:250px;padding:0 30px 0 12px;border-right:1px solid rgba(69,169,241,.22);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
#form2 .search-view .url3{flex:1;width:auto;border-right:1px solid rgba(69,169,241,.22);}
#form2 .search-view .search-btn{width:150px;height:60px;box-sizing:border-box;border:none;border-radius:0;display:flex;align-items:center;justify-content:center;line-height:normal;text-align:center;}



/* ==== api.php banner标题：抄首页 .bt19-h 样式（文字替代news-title.png图片）==== */
.api-banner{height:300px;display:flex;align-items:center;justify-content:center;}
.api-seo-h1{display:none;}
.api-banner-txt{text-align:center;color:#fff;}
.api-banner-txt .bt19-h{margin:0 0 16px;font-size:62px;}
.api-bt-sub{font-size:30px;color:#fff;letter-spacing:1px;margin:0;}