*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
--blue:#1B4A7A;--blue-mid:#2E7BB8;--blue-light:#EDF2F8;--blue-deep:#123354;--blue-line:#DCE6F0;
--ink:#1F2933;--gray:#6B7A80;--line:#E3E8ED;--white:#fff;--bg:#F5F6F8;
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
background:#E9EBEE;color:var(--ink);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}
.wrap{max-width:500px;margin:0 auto;background:#fff;overflow:hidden;box-shadow:0 0 40px rgba(27,74,122,.08)}

/* ========== 封面 ========== */
.cover{background:var(--blue);min-height:100vh;min-height:100svh;min-height:calc(var(--vh,1vh) * 100);display:flex;flex-direction:column;
justify-content:center;align-items:center;text-align:center;position:relative;
padding:60px 28px 90px;padding-top:calc(60px + env(safe-area-inset-top))}
.cover-in{opacity:0;transform:translateY(16px);animation:fadeUp .9s ease .15s forwards}
@keyframes fadeUp{to{opacity:1;transform:none}}
.cover-logo{width:72px;height:72px;margin:0 auto 26px}
.cover-t{font-size:30px;font-weight:600;color:#fff;letter-spacing:4px;margin-bottom:12px}
.cover-s{font-size:16px;color:#A8C6E0;letter-spacing:5px;margin-bottom:26px}
.cover-line{width:40px;height:2px;background:rgba(255,255,255,.35);margin:0 auto 24px}
.cover-d{font-size:13.5px;color:#C9D9E8;line-height:2;letter-spacing:1px}
.cover-btn{margin-top:36px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);
color:#fff;font-size:15px;letter-spacing:2px;padding:12px 40px;border-radius:26px;
backdrop-filter:blur(4px);transition:.25s}
.cover-btn:active{background:rgba(255,255,255,.25);transform:scale(.97)}
.cover-foot{position:absolute;bottom:calc(28px + env(safe-area-inset-bottom));left:0;right:0;
text-align:center;opacity:0;animation:fadeIn 1s ease 1s forwards}
@keyframes fadeIn{to{opacity:1}}
.cover-foot span{display:block;font-size:12px;color:#8FA8BE;letter-spacing:2px;margin-bottom:8px}
.cover-foot i{display:block;width:1px;height:30px;margin:0 auto;background:rgba(255,255,255,.3);position:relative;overflow:hidden}
.cover-foot i::after{content:"";position:absolute;top:-30px;left:0;width:1px;height:30px;background:#fff;animation:drop 1.9s ease-in-out infinite}
@keyframes drop{0%{top:-30px}70%,100%{top:30px}}

/* ========== 目录 ========== */
.nav{background:var(--blue);padding:70px 24px 80px;padding-top:calc(70px + env(safe-area-inset-top))}
.nav-in{text-align:center;margin-bottom:34px}
.nav-label{font-size:12px;color:#8FC4EA;letter-spacing:5px;margin-bottom:10px}
.nav-t{font-size:26px;color:#fff;font-weight:600;letter-spacing:3px;margin-bottom:6px}
.nav-d{font-size:13px;color:#8FA8BE;letter-spacing:2px}
.nav-list{display:flex;flex-direction:column;gap:14px}
.nav-item{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
border-radius:14px;padding:20px 18px;display:flex;align-items:center;gap:16px;
opacity:0;transform:translateY(20px);cursor:pointer;transition:.25s}
.nav-item.in{opacity:1;transform:none}
.nav-item:active{background:rgba(255,255,255,.14)}
.nav-no{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.14);
display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:600;color:#fff}
.nav-tt{flex:1;min-width:0}
.nav-tt b{display:block;font-size:16.5px;color:#fff;font-weight:600;letter-spacing:1px;margin-bottom:3px}
.nav-tt span{display:block;font-size:12.5px;color:#A8C6E0;line-height:1.6}
.nav-arrow{flex:0 0 auto;width:20px;height:20px;color:#8FC4EA}
.nav-arrow svg{width:100%;height:100%}

/* ========== 章节通用 ========== */
.chapter{background:#fff}
.ch-head{padding:64px 24px 0;text-align:center}
.ch-label{font-size:12px;color:var(--blue-mid);letter-spacing:5px;margin-bottom:12px}
.ch-t{font-size:27px;font-weight:600;color:var(--blue-deep);letter-spacing:3px}
.ch-rule{width:36px;height:2px;background:var(--blue);margin:20px auto 0}
.sec{padding:48px 24px}
.sec-label{font-size:11.5px;color:var(--blue-mid);letter-spacing:4px;margin-bottom:9px}
.sec-t{font-size:22px;font-weight:600;color:var(--ink);letter-spacing:1px;margin-bottom:10px}
.sec-d{font-size:14px;color:var(--gray);line-height:1.75;margin-bottom:24px}

/* ========== 关于我们 ========== */
.about-body p{font-size:15px;color:#3D4A56;line-height:2;margin-bottom:14px;position:relative;padding-left:16px}
.about-body p::before{content:"";position:absolute;left:0;top:13px;width:5px;height:5px;
border-radius:50%;background:var(--blue-mid)}
.about-body p:last-child{margin-bottom:0}
.about-body strong{color:var(--blue-deep);font-weight:600}

/* ========== 数据条 ========== */
.stat-sec{background:var(--blue);padding:44px 24px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px 12px}
.stat{text-align:center}
.stat-num{font-size:32px;font-weight:600;color:#fff;line-height:1.15;letter-spacing:-.5px}
.stat-num small{font-size:15px;font-weight:400;margin-left:2px}
.stat-txt-num{font-size:24px;letter-spacing:1px;padding-top:6px}
.stat-txt{font-size:12.5px;color:#A8C6E0;margin-top:5px}

/* ========== 视频 ========== */
.video-list{display:flex;flex-direction:column;gap:18px}
.video-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.video-thumb{position:relative;width:100%;aspect-ratio:16/9;background:#F0F3F6;display:flex;
align-items:center;justify-content:center;overflow:hidden;
background-image:repeating-linear-gradient(45deg,#F7F9FA,#F7F9FA 10px,#EDF1F4 10px,#EDF1F4 20px)}
.video-thumb video{width:100%;height:100%;object-fit:cover;display:none}
.vt-ph{text-align:center;color:#8FA8BE;font-size:12.5px;line-height:1.8;padding:20px;width:100%}
.vt-ph b{display:block;color:#5C7488;font-size:13px;font-weight:600;margin-bottom:4px}
.vt-play{position:absolute;width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.9);
display:none;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(0,0,0,.2)}
.vt-play::after{content:"";width:0;height:0;margin-left:3px;
border-left:14px solid var(--blue);border-top:9px solid transparent;border-bottom:9px solid transparent}
.video-info{padding:14px 16px}
.video-info b{display:block;font-size:15px;color:var(--blue-deep);font-weight:600;margin-bottom:4px}
.video-info span{display:block;font-size:12.5px;color:var(--gray)}
.video-ph{width:100%;aspect-ratio:9/16;background:#F0F3F6;border-radius:12px;
display:flex;align-items:center;justify-content:center;text-align:center;color:#9AA7B2;font-size:12.5px;
line-height:1.8;padding:20px;border:1px dashed #CFD8E0}

/* ========== 团队 ========== */
.team-sec{background:var(--bg)}
.team-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.team-card{background:#fff;border-radius:12px;padding:18px 12px;text-align:center}
.team-ic{width:40px;height:40px;margin:0 auto 12px;color:var(--blue);
display:flex;align-items:center;justify-content:center}
.team-ic svg{width:100%;height:100%}
.team-card h4{font-size:14px;font-weight:600;color:var(--blue-deep);margin-bottom:6px}
.team-card p{font-size:11.5px;color:var(--gray);line-height:1.6}

/* ========== 财税服务 横滑 ========== */
.fin-head{background:#fff;padding-bottom:24px}
.fin-track{display:flex;gap:12px;overflow-x:auto;padding:0 24px 16px;scroll-snap-type:x mandatory;
-webkit-overflow-scrolling:touch;scroll-padding-left:24px}
.fin-track::-webkit-scrollbar{display:none}
.fin-card{flex:0 0 calc(100% - 48px);background:#fff;border:1px solid var(--line);border-radius:16px;
padding:26px 22px 24px;scroll-snap-align:start;position:relative;overflow:hidden}
.fin-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--blue)}
.fin-tag{display:inline-block;font-size:11.5px;color:var(--blue);background:var(--blue-light);
padding:4px 11px;border-radius:12px;margin-bottom:13px;letter-spacing:.5px}
.fin-card h4{font-size:20px;font-weight:600;color:var(--blue-deep);letter-spacing:1px;margin-bottom:4px}
.fin-hl{font-size:12.5px;color:var(--blue-mid);margin-bottom:18px;padding-bottom:16px;
border-bottom:1px solid var(--line)}
.fin-row{margin-bottom:15px}
.fin-row:last-child{margin-bottom:0}
.fin-key{font-size:12px;color:var(--blue);font-weight:600;letter-spacing:1px;margin-bottom:5px;
display:flex;align-items:center;gap:6px}
.fin-key::before{content:"";width:3px;height:11px;background:var(--blue-mid);border-radius:2px}
.fin-val{font-size:13.5px;color:#4A5A68;line-height:1.8}
.fin-dots{display:flex;justify-content:center;gap:6px;padding:6px 0 48px}
.fin-dots i{width:6px;height:6px;border-radius:50%;background:#D3DBE3;transition:.3s;cursor:pointer}
.fin-dots i.on{background:var(--blue);width:20px;border-radius:3px}

/* ========== 资质网格 ========== */
.lic-head{background:var(--bg);padding-bottom:22px}
.lic-filter{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}
.lic-chip{font-size:12.5px;color:#5C6B78;background:#fff;border:1px solid var(--line);
padding:6px 13px;border-radius:16px;transition:.2s;cursor:pointer}
.lic-chip.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.lic-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.lic-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 14px;
text-align:left;transition:.22s;position:relative;display:block;width:100%}
.lic-card:active{transform:scale(.975);border-color:var(--blue)}
.lic-card .g{font-size:11px;color:var(--blue-mid);letter-spacing:.5px;margin-bottom:7px}
.lic-card .t{font-size:14.5px;font-weight:600;color:var(--blue-deep);line-height:1.45;margin-bottom:8px}
.lic-card .c{font-size:11.5px;color:var(--gray)}
.lic-card .c b{color:var(--blue);font-weight:600}
.lic-card .ar{position:absolute;right:13px;top:15px;width:14px;height:14px;color:#C3CDD6}
.lic-card .ar svg{width:100%;height:100%}

/* ========== 资质详情弹层 ========== */
.sheet{position:fixed;inset:0;z-index:120;display:none}
.sheet.show{display:block}
.sheet-mask{position:absolute;inset:0;background:rgba(15,32,48,.6);opacity:0;transition:.3s}
.sheet.show .sheet-mask{opacity:1}
.sheet-panel{position:absolute;left:0;right:0;bottom:0;max-width:500px;margin:0 auto;
background:#fff;border-radius:20px 20px 0 0;transform:translateY(100%);transition:transform .35s cubic-bezier(.32,.72,0,1);
max-height:86vh;overflow-y:auto;padding:0 24px calc(34px + env(safe-area-inset-bottom))}
.sheet.show .sheet-panel{transform:none}
.sheet-handle{width:38px;height:4px;border-radius:2px;background:#D6DDE4;margin:10px auto 18px}
.sp-tag{display:inline-block;font-size:11.5px;color:var(--blue);background:var(--blue-light);
padding:4px 11px;border-radius:12px;margin-bottom:12px}
.sp-t{font-size:23px;font-weight:600;color:var(--blue-deep);letter-spacing:1px;margin-bottom:18px;
line-height:1.4;padding-right:20px}
.sp-row{margin-bottom:16px;padding-left:14px;border-left:2px solid var(--blue-light)}
.sp-key{font-size:12.5px;color:var(--blue);font-weight:600;letter-spacing:1px;margin-bottom:6px}
.sp-val{font-size:14px;color:#4A5A68;line-height:1.85}
.sp-close{width:100%;background:var(--blue);color:#fff;font-size:15.5px;font-weight:500;
padding:13px;border-radius:26px;border:none;margin-top:22px;letter-spacing:2px}
.sp-close:active{background:var(--blue-deep)}

/* ========== 案例 ========== */
.case-list{display:flex;flex-direction:column;gap:22px}
.case-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.case-top{padding:20px 20px 16px;background:var(--blue-light)}
.case-ind{display:inline-block;font-size:11.5px;color:var(--blue);background:#fff;padding:3px 11px;
border-radius:12px;margin-bottom:10px;letter-spacing:.5px}
.case-top h4{font-size:17.5px;font-weight:600;color:var(--blue-deep);line-height:1.5;margin-bottom:14px}
.case-row{display:flex;gap:9px;font-size:12.5px;line-height:1.7;margin-bottom:8px}
.case-row:last-child{margin-bottom:0}
.case-row .k{flex:0 0 auto;color:var(--blue);font-weight:600;width:38px}
.case-row .v{flex:1;color:#5C6B78}
.case-shots{background:#F7F9FA;padding:16px 20px;display:flex;flex-direction:column;gap:12px}
.shot{width:100%;border-radius:10px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.shot img{width:100%;display:block}
.shot-ph{aspect-ratio:3/4;display:flex;flex-direction:column;align-items:center;justify-content:center;
gap:8px;color:#A8B4BF;font-size:12.5px;text-align:center;padding:20px;
background:repeating-linear-gradient(45deg,#FAFBFC,#FAFBFC 10px,#F2F5F7 10px,#F2F5F7 20px)}
.shot-ph svg{width:30px;height:30px;opacity:.5}
/* 真实截图存在时隐藏占位框 */
.shot.has-img .shot-ph{display:none}
.shot.has-img{background:#fff}
.case-quote{margin:0;padding:16px 20px 20px;background:#F7F9FA;border-top:1px solid var(--line);
font-size:13.5px;color:#3D4A56;line-height:1.8;position:relative;font-style:normal}
.case-quote::before{content:"\201C";position:absolute;left:14px;top:2px;font-size:30px;color:var(--blue-light);line-height:1}
.case-quote span{position:relative;padding-left:14px;display:block}

/* ========== 服务优势 ========== */
.adv{background:var(--bg)}
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.adv-item{background:#fff;border-radius:12px;padding:20px 16px}
.adv-no{width:24px;height:24px;border-radius:50%;background:var(--blue);color:#fff;font-size:11.5px;
font-weight:600;display:flex;align-items:center;justify-content:center;margin-bottom:11px}
.adv-item b{display:block;font-size:14.5px;color:var(--blue-deep);font-weight:600;line-height:1.5;margin-bottom:6px}
.adv-item span{display:block;font-size:12px;color:var(--gray);line-height:1.6}

/* ========== 转化 ========== */
.cta{background:var(--blue);text-align:center;padding:56px 28px calc(100px + env(safe-area-inset-bottom))}
.cta-t{font-size:25px;color:#fff;font-weight:600;letter-spacing:2px;margin-bottom:14px}
.cta-s{font-size:14px;color:#C9D9E8;line-height:2;margin-bottom:32px}
.qr{width:160px;height:160px;margin:0 auto 16px;background:#fff;border-radius:12px;padding:11px;
display:flex;align-items:center;justify-content:center;position:relative}
.qr img{width:100%;height:100%;object-fit:contain;display:none;-webkit-touch-callout:default}
.qr.no-img img{display:none}
.qr:not(.no-img) img{display:block}
.qr:not(.no-img) .qr-ph{display:none}
.qr-ph{font-size:12px;color:#8FA8BE;line-height:1.6;text-align:center}
.qr-modal{width:170px;height:170px;margin:0 auto 16px;background:#F7F9FA;
border:1px dashed #D3DBE3}
.qr-modal:not(.no-img){background:#fff;border:none;padding:8px}
.wxid{display:inline-block;margin-top:16px;padding:9px 20px;border-radius:22px;
background:rgba(255,255,255,.12);color:#fff;font-size:15px;letter-spacing:1px}
.copy{margin-top:26px;font-size:12px;color:#7E97AF;line-height:1.9}

/* ========== 微信内引导条 ========== */
.wx-bar{position:fixed;left:0;right:0;top:0;z-index:130;display:flex;align-items:center;gap:10px;
background:var(--blue-deep);padding:12px 40px 12px 16px;padding-top:calc(12px + env(safe-area-inset-top));
transform:translateY(-100%);opacity:0;transition:transform .4s cubic-bezier(.32,.72,0,1),opacity .3s;
box-shadow:0 4px 20px rgba(0,0,0,.18)}
.wx-bar.show{transform:none;opacity:1}
.wx-bar-txt{flex:1;min-width:0}
.wx-bar-txt b{display:block;font-size:14px;color:#fff;font-weight:600;margin-bottom:3px}
.wx-bar-txt span{display:block;font-size:12px;color:#A8C6E0;line-height:1.55}
.wx-bar-arrow{flex:0 0 auto;width:22px;height:22px;color:#fff;animation:bob 1.6s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
.wx-bar-arrow svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;
stroke-linecap:round;stroke-linejoin:round}
.wx-bar-x{position:absolute;right:10px;top:calc(10px + env(safe-area-inset-top));width:24px;height:24px;
background:rgba(255,255,255,.12);border:none;color:#C9D9E8;font-size:17px;line-height:1;
border-radius:50%;display:flex;align-items:center;justify-content:center;padding:0}

/* ========== 转发引导 ========== */
.share-tip{background:#F5F6F8;padding:30px 24px calc(34px + env(safe-area-inset-bottom))}
.st-in{background:#fff;border-radius:14px;padding:22px 20px;display:flex;align-items:center;gap:16px}
.st-l{flex:1;min-width:0}
.st-l b{display:block;font-size:15px;color:var(--blue-deep);font-weight:600;line-height:1.5;margin-bottom:6px}
.st-l span{display:block;font-size:12.5px;color:var(--gray);line-height:1.6}
.st-qr{flex:0 0 auto;width:92px;height:92px;background:#fff;border:1px solid var(--line);
border-radius:8px;padding:4px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.st-qr img{width:100%;height:100%;object-fit:contain;display:block}

/* ========== 吸底 ========== */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:90;max-width:500px;margin:0 auto;
background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-top:1px solid var(--line);
padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:12px;
box-shadow:0 -2px 16px rgba(27,74,122,.07)}
.dock-info{flex:1;min-width:0}
.dock-info b{display:block;font-size:13.5px;color:var(--blue-deep);font-weight:600}
.dock-info span{display:block;font-size:11.5px;color:var(--gray)}
.dock-btn{flex:0 0 auto;background:var(--blue);color:#fff;font-size:15px;font-weight:500;
padding:11px 26px;border-radius:24px;border:none;letter-spacing:1px}

/* ========== 微信浮层 ========== */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:110;display:none;
align-items:center;justify-content:center;padding:24px}
.mask.show{display:flex}
.modal{background:#fff;border-radius:16px;padding:26px 22px;width:100%;max-width:300px;text-align:center}
.modal h5{font-size:17px;color:var(--blue-deep);margin-bottom:8px;font-weight:600}
.modal p{font-size:13px;color:var(--gray);margin-bottom:18px}
.modal-close{width:100%;background:var(--blue-light);color:var(--blue-deep);font-size:15px;
padding:11px;border-radius:24px;border:none}

/* ========== 动效 ========== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media(min-width:520px){body{background:#E9EBEE}}