:root{--blue:#1d7df2;--purple:#7b5cff;--orange:#ff8a5c;--ink:#202432;--muted:#667085;--line:#e8ebf3;--soft:#f6f8ff;--white:#fff;--shadow:0 18px 50px rgba(40,55,120,.12);--radius:22px;--container:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:#fff;line-height:1.75;padding-bottom:86px}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}.container{width:min(var(--container),calc(100% - 32px));margin:auto}.topbar{background:#202432;color:#dce2ef;font-size:13px}.topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px}.topbar strong{color:#fff}.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(232,235,243,.85)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:10px;flex:none;font-weight:900}.logo img{width:188px;height:48px}.logo span{display:none}.nav{display:flex;align-items:center;gap:24px;font-size:15px;font-weight:700}.nav a{position:relative;padding:25px 0}.nav a:after{content:"";position:absolute;left:0;right:100%;bottom:16px;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--purple),var(--orange));transition:.25s}.nav a:hover:after,.nav a.active:after{right:0}.header-phone{white-space:nowrap;padding:9px 15px;border-radius:999px;background:#fff0ec;color:#c44d3d;font-weight:900}.menu-btn{display:none;border:0;background:transparent;font-size:27px;color:var(--ink)}
.hero{overflow:hidden;position:relative;color:#fff;background:radial-gradient(circle at 8% 16%,rgba(255,255,255,.24) 0 85px,transparent 86px),radial-gradient(circle at 87% 12%,rgba(255,255,255,.18) 0 145px,transparent 146px),linear-gradient(135deg,#1677ee 0%,#6857f4 48%,#ff875f 100%)}.hero:before{content:"";position:absolute;inset:auto -10% -230px -10%;height:360px;background:#fff;border-radius:50% 50% 0 0/42% 42% 0 0;opacity:.12}.hero-grid{min-height:590px;display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:46px;position:relative}.eyebrow{display:inline-flex;padding:7px 13px;border-radius:999px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.13);font-size:14px;font-weight:800}.hero h1{font-size:58px;line-height:1.1;margin:20px 0 15px;letter-spacing:-2px;text-shadow:0 10px 30px rgba(0,0,0,.12)}.hero p{max-width:680px;margin:0 0 28px;font-size:19px;color:rgba(255,255,255,.9)}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:14px;font-weight:900;border:1px solid transparent;transition:.25s;cursor:pointer}.btn-primary{background:#fff;color:#3a57ec;box-shadow:0 14px 34px rgba(13,30,82,.18)}.btn-primary:hover,.btn-dark:hover,.btn-light:hover{transform:translateY(-2px)}.btn-ghost{color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.1)}.btn-dark{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff}.btn-light{background:#fff;color:#3a57ec}.hero-trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:27px;font-size:13px;color:rgba(255,255,255,.88)}.hero-trust span:before{content:"✓";display:inline-grid;place-items:center;width:19px;height:19px;margin-right:7px;border-radius:50%;background:rgba(255,255,255,.2);font-weight:900}.hero-card{position:relative;min-height:420px;border-radius:34px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);box-shadow:0 30px 70px rgba(16,23,78,.18);backdrop-filter:blur(8px);padding:34px;overflow:hidden}.hero-card:before{content:"";position:absolute;width:260px;height:260px;right:-80px;top:-90px;border-radius:50%;background:rgba(255,255,255,.14)}.hero-card .mock{position:relative;background:#fff;color:var(--ink);border-radius:24px;padding:26px;box-shadow:0 20px 40px rgba(19,22,54,.15)}.hero-card h3{font-size:24px;margin:0 0 16px}.metric{display:grid;gap:12px}.metric div{display:flex;justify-content:space-between;align-items:center;padding:13px 14px;border-radius:14px;background:#f5f7ff;color:#4c5568}.metric b{color:#2c3be9}.circle-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}.circle-list span{min-height:82px;border-radius:18px;background:linear-gradient(135deg,#eef5ff,#fff2ed);display:grid;place-items:center;text-align:center;font-weight:900;color:#41506b;padding:12px}
.section{padding:82px 0}.section-soft{background:linear-gradient(180deg,#fbfcff 0%,#f3f6ff 100%)}.section-head{text-align:center;max-width:780px;margin:0 auto 42px}.kicker,.section-kicker{font-weight:900;color:var(--orange);letter-spacing:2px;font-size:13px}.section h2,.content h1{font-size:38px;line-height:1.25;margin:9px 0 12px}.section-head p{margin:0;color:var(--muted)}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.service-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px 20px;min-height:210px;transition:.25s}.service-card:before{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--blue),var(--purple),var(--orange));transform:scaleX(0);transition:.25s}.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}.service-card:hover:before{transform:scaleX(1)}.service-icon{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;margin-bottom:17px;background:linear-gradient(135deg,#eef5ff,#fff0eb);font-size:28px}.service-card h3{font-size:18px;margin:0 0 8px}.service-card p{font-size:14px;color:var(--muted);margin:0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:34px;border:1px solid rgba(232,235,243,.75)}.check-list{display:grid;gap:15px;margin:24px 0 0;padding:0;list-style:none}.check-list li{display:flex;gap:13px}.check-list b{display:block}.check-list span{color:var(--muted);font-size:14px}.check{flex:none;width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;display:grid;place-items:center;font-weight:900}.process{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;counter-reset:step}.process-card{counter-increment:step;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 16px;position:relative;min-height:168px}.process-card:before{content:"0" counter(step);font-size:36px;line-height:1;font-weight:900;color:#edf0ff;position:absolute;right:14px;top:14px}.process-card h3{margin:8px 0;font-size:17px}.process-card p{color:var(--muted);font-size:13px;margin:0}.area-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.area-grid a,.area-grid span{display:block;padding:15px 16px;border-radius:14px;border:1px solid var(--line);background:#fff;font-weight:800;color:#465066}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px}.faq-item h3{font-size:17px;margin:0 0 8px}.faq-item p{font-size:14px;color:var(--muted);margin:0}.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-card{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;transition:.25s}.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.tag{display:inline-block;font-size:12px;color:var(--orange);font-weight:900;margin-bottom:8px}.article-card h3{font-size:18px;line-height:1.55;margin:0 0 10px}.article-card p{color:var(--muted);font-size:14px;margin:0 0 10px}.article-card time{font-size:12px;color:#98a2b3}.breadcrumb{background:#f7f9ff;border-bottom:1px solid var(--line)}.breadcrumb .container{padding:12px 0;color:var(--muted);font-size:13px}.breadcrumb a{color:var(--blue)}.page-hero{padding:78px 0;background:linear-gradient(135deg,#eef6ff,#f5f1ff 60%,#fff0ea)}.page-hero h1{font-size:44px;margin:0 0 12px}.page-hero p{max-width:820px;color:var(--muted);font-size:17px}.pill{display:inline-block;background:#fff;color:var(--orange);padding:6px 12px;border-radius:999px;font-size:13px;font-weight:900;margin-bottom:14px}.content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:34px;padding:58px 0 80px}.content{min-width:0}.content h2{font-size:28px;margin:34px 0 12px}.content h3{font-size:20px;margin:24px 0 10px}.content p,.content li{color:#4d5768}.content ul,.content ol{padding-left:20px}.content blockquote{margin:24px 0;padding:18px 20px;border-left:4px solid var(--blue);background:#f6f8ff;border-radius:0 14px 14px 0;color:#4d5768}.content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}.content th,.content td{border:1px solid var(--line);padding:12px;text-align:left}.content th{background:#f7f9ff}.aside{display:grid;gap:18px;align-content:start}.aside-box{border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff}.aside-box h3{margin:0 0 12px;font-size:18px}.aside-box ul{list-style:none;padding:0;margin:0}.aside-box li+li{border-top:1px dashed var(--line)}.aside-box a{display:block;padding:9px 0;color:#565e72}.aside-box a:hover{color:var(--blue)}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px}.contact-info{background:linear-gradient(145deg,#1d7df2,#7b5cff);color:#fff;border-radius:22px;padding:34px}.contact-info h2{margin-top:0}.contact-row{display:flex;gap:14px;margin:20px 0}.contact-row i{width:38px;height:38px;display:grid;place-items:center;background:rgba(255,255,255,.15);border-radius:12px;font-style:normal}.contact-info small{display:block;color:rgba(255,255,255,.72)}.form-card{border:1px solid var(--line);border-radius:22px;padding:34px;background:#fff}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:14px;font-weight:800}.field input,.field textarea,.field select{width:100%;border:1px solid #dfe3ee;border-radius:12px;padding:12px 14px;outline:none;background:#fff}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(29,125,242,.1)}.form-note,.notice{font-size:13px;color:var(--muted)}.notice{padding:14px 16px;border-radius:14px;background:#fff8e8;color:#805918}.bottom-cta{padding:58px 0;background:linear-gradient(135deg,#1d7df2,#765cff,#ff8a5c);color:#fff}.bottom-cta-wrap{display:flex;align-items:center;justify-content:space-between;gap:28px}.bottom-cta h2{font-size:32px;margin:0 0 8px}.bottom-cta p{margin:0;color:rgba(255,255,255,.84)}.friend-links{padding:16px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.friend-links a{margin-right:14px}.footer{background:#242833;color:#adb5c6;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.2fr .75fr .85fr 1fr;gap:36px}.footer h3{color:#fff;font-size:16px;margin:0 0 15px}.footer p,.footer li{font-size:13px}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:8px 0}.footer a:hover{color:#fff}.footer-phone{font-size:25px;color:#ff9775;font-weight:900}.risk{padding:12px 14px;background:rgba(255,255,255,.06);border-radius:12px}.copyright{margin-top:36px;padding-top:20px;border-top:1px solid #3a3f4a;text-align:center;font-size:12px}.mobile-bottom-bar{position:fixed;left:50%;bottom:16px;z-index:90;transform:translateX(-50%);display:flex;gap:12px;padding:10px;border-radius:22px;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);box-shadow:0 14px 42px rgba(32,36,50,.18);border:1px solid rgba(232,235,243,.9)}.bottom-action{border:0;min-width:160px;height:48px;border-radius:15px;display:inline-flex;align-items:center;justify-content:center;font-weight:900;color:#fff;cursor:pointer;background:linear-gradient(135deg,var(--blue),var(--purple))}.wechat-action{background:linear-gradient(135deg,var(--orange),var(--purple))}.copy-toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%);padding:12px 18px;border-radius:999px;background:rgba(32,36,50,.94);color:#fff;font-size:14px;z-index:99;box-shadow:0 10px 30px rgba(0,0,0,.18);opacity:0;pointer-events:none;transition:.25s}.copy-toast.show{opacity:1}.empty{padding:80px 20px;text-align:center;border:1px dashed #dcdfea;border-radius:22px;background:#fafafe}.empty h1{font-size:42px;margin:0 0 8px}
@media(max-width:1100px){.nav{gap:15px}.header-phone{display:none}.service-grid{grid-template-columns:repeat(3,1fr)}.process{grid-template-columns:repeat(3,1fr)}.article-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.topbar{display:none}.site-header{position:relative}.nav-wrap{height:66px}.logo img{width:170px}.menu-btn{display:block}.nav{display:none;position:absolute;left:0;right:0;top:66px;background:#fff;padding:8px 20px 18px;box-shadow:0 20px 35px rgba(32,36,50,.12);flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:12px 4px;border-bottom:1px solid var(--line)}.nav a:after{display:none}.hero-grid{grid-template-columns:1fr;min-height:auto;padding:68px 0 42px}.hero h1{font-size:45px}.hero-card{min-height:auto}.two-col,.content-wrap,.contact-grid{grid-template-columns:1fr}.area-grid{grid-template-columns:repeat(2,1fr)}.faq-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.bottom-cta-wrap{display:block}.bottom-cta .btn{margin-top:18px}}
@media(max-width:620px){body{padding-bottom:78px}.container{width:min(var(--container),calc(100% - 24px))}.hero h1{font-size:37px;letter-spacing:-1px}.hero p{font-size:16px}.hero-actions .btn{width:100%}.section{padding:62px 0}.section h2,.content h1{font-size:30px}.service-grid{grid-template-columns:1fr 1fr;gap:12px}.service-card{min-height:185px;padding:18px 13px}.process{grid-template-columns:1fr}.article-list{grid-template-columns:1fr}.area-grid{grid-template-columns:1fr}.page-hero{padding:56px 0}.page-hero h1{font-size:34px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.mobile-bottom-bar{left:0;right:0;bottom:0;transform:none;border-radius:18px 18px 0 0;padding:9px 10px calc(9px + env(safe-area-inset-bottom));gap:8px}.bottom-action{min-width:0;flex:1;height:48px;font-size:15px}.copy-toast{bottom:82px}.circle-list{grid-template-columns:1fr}}