:root{--ink:#17233d;--muted:#6e7891;--blue:#2458ee;--blue-d:#1746d2;--line:#e7e9f0;--bg:#f7f8fc;--paper:#fff;--soft:#eff3ff;--mint:#b9f1d3;--shadow:0 16px 50px rgba(37,55,102,.07);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg)}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #86a8ff;outline-offset:3px}svg{display:block}::selection{background:#cddaff}p{line-height:1.65}h1,h2,h3,p{margin:0}.app-shell{max-width:1200px;margin:auto;min-height:100vh;display:flex;flex-direction:column}.site-header{display:flex;justify-content:space-between;align-items:center;padding:26px 46px 16px}.brand{display:flex;align-items:center;gap:10px}.brand-symbol{color:var(--blue);width:42px;height:42px;display:block}.brand-symbol svg{width:100%;height:100%}.brand-words{font-size:22px;font-weight:800;letter-spacing:-1.1px;line-height:.92}.brand-words>span{color:var(--blue)}.brand-words small{display:block;font-size:10px;letter-spacing:2.6px;color:var(--muted);font-weight:750;margin-top:4px}.free-pill{display:inline-flex;align-items:center;gap:8px;font-size:10px;font-weight:800;letter-spacing:1.2px;border:1px solid #dce6e0;border-radius:100px;padding:10px 14px;background:white;color:#297952}.pulse-dot{width:7px;height:7px;background:#25b477;border-radius:50%;box-shadow:0 0 0 3px #e5f7ea}#app{width:100%;flex:1}.home-main{padding:0 46px 56px}.hero{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;min-height:370px;padding:44px 0 32px}.eyebrow{font-size:11px;letter-spacing:1.7px;font-weight:850;text-transform:uppercase;color:var(--blue);display:inline-flex;align-items:center;gap:9px}.eyebrow-line{width:26px;height:2px;background:var(--blue)}.hero h1{font-size:clamp(42px,5.3vw,72px);letter-spacing:-3.6px;line-height:1.075;margin:22px 0;max-width:620px;font-weight:825}.accent-text{color:var(--blue)}.hero-description{color:var(--muted);font-size:17px;line-height:1.65;max-width:460px}.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:24px}.trust-row span{display:flex;gap:7px;align-items:center;color:#485573;font-size:12px;font-weight:700}.trust-row .icon{color:#198d63}.hero-art{position:relative;min-height:340px;display:flex;align-items:center;justify-content:center}.hero-orbit{position:absolute;inset:4% 0 0 8%;border-radius:43% 56% 47% 44%;background:#e8edff;transform:rotate(-9deg)}.hero-orbit:before{content:"";position:absolute;inset:30px;border:1px dashed #b6c9fb;border-radius:45%}.hero-floating{position:relative;z-index:1;box-shadow:0 25px 60px rgba(39,65,131,.16);background:white;border:1px solid #e8eaf5;border-radius:24px;width:292px;padding:20px;transform:rotate(3deg)}.float-label{font-size:11px;color:#8a94ab;font-weight:750;letter-spacing:1px;text-transform:uppercase}.float-header{display:flex;align-items:center;justify-content:space-between;margin:8px 0 19px}.float-header strong{font-size:19px;letter-spacing:-.6px}.float-header span{font-size:11px;color:#2b926d;background:#e7f8ee;padding:5px 8px;border-radius:100px}.float-illustration{height:112px;background:#edf3ff;border-radius:14px;display:grid;place-items:center;position:relative;overflow:hidden}.float-illustration .qr-shape{width:62px;height:62px;background:white;border:8px solid white;border-radius:8px;box-shadow:0 8px 20px #c3d0ef}.qr-shape svg{width:100%;height:100%}.float-step{font-size:13px;font-weight:750;margin:15px 0}.float-button{padding:12px;text-align:center;background:var(--blue);color:white;font-size:12px;border-radius:10px;font-weight:750}.mini-chip{position:absolute;z-index:2;background:white;border:1px solid #e8ecf6;box-shadow:var(--shadow);border-radius:100px;padding:12px 15px;font-size:12px;font-weight:750;display:flex;align-items:center;gap:7px}.chip-one{right:0;top:35px;transform:rotate(8deg)}.chip-two{left:-12px;bottom:34px;transform:rotate(-8deg)}.section-heading{display:flex;justify-content:space-between;align-items:end;margin:22px 0 18px}.section-heading h2{font-size:24px;letter-spacing:-.7px}.section-heading p{color:var(--muted);font-size:13px;margin-top:6px}.section-note{font-size:12px;color:#8791a6}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.guide-card{border:1px solid var(--line);background:var(--paper);border-radius:20px;padding:22px 20px;text-align:left;display:flex;flex-direction:column;min-height:201px;box-shadow:0 5px 14px rgba(30,51,108,.018);transition:transform .18s,box-shadow .18s,border-color .18s}.guide-card:hover{transform:translateY(-3px);border-color:#b4c6ff;box-shadow:var(--shadow)}.guide-card .card-top{display:flex;align-items:center;justify-content:space-between}.card-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center}.card-icon .icon{width:23px;height:23px}.card-icon.violet{background:#eee9ff;color:#6b51bf}.card-icon.mint{background:#e2f8ed;color:#178456}.card-icon.peach{background:#ffefe0;color:#b7692e}.mini-arrow{color:#9ea7ba}.card-category{font-size:10px;text-transform:uppercase;letter-spacing:1.1px;font-weight:800;color:#8b93a5;margin-top:19px}.guide-card h3{font-size:17px;letter-spacing:-.3px;margin-top:8px}.guide-card p{color:var(--muted);font-size:12px;margin-top:8px;line-height:1.55}.guide-card .card-meta{margin-top:auto;padding-top:13px;font-size:11px;color:#8b97a9;font-weight:650}.section-second{margin-top:33px}.tiny-card{min-height:150px}.tiny-card .card-category{margin-top:13px}.resume-banner{margin:7px 0 20px;border-radius:15px;border:1px solid #dce5ff;background:#eef3ff;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;gap:12px}.resume-banner strong{display:block;font-size:13px}.resume-banner p{font-size:12px;color:var(--muted);margin-top:3px}.resume-link{border:0;background:var(--blue);color:white;border-radius:100px;padding:10px 16px;font-size:12px;font-weight:750;white-space:nowrap}.bottom-note{display:flex;align-items:center;gap:9px;border:1px solid #e7ebf1;background:#fbfcff;border-radius:14px;padding:15px 18px;margin-top:27px;font-size:12px;color:#66718b;line-height:1.5}.bottom-note .icon{flex-shrink:0;color:#2f9d70}.footer{padding:22px 46px 26px}.footer-inner{border-top:1px solid #e4e7ee;padding-top:22px;display:flex;justify-content:space-between;align-items:center;gap:12px;color:#8a93a5;font-size:11px}.footer-mark{font-size:16px;color:var(--blue);margin-right:5px}.footer nav{display:flex;gap:18px}.footer a:hover{color:var(--blue)}
/* Walkthrough */
.guide-main{padding:18px 46px 56px}.guide-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.back-link,.plain-action{display:inline-flex;align-items:center;gap:7px;border:none;background:transparent;color:#63718b;padding:6px 0;font-size:13px;font-weight:750}.back-link:hover,.plain-action:hover{color:var(--blue)}.progress-count{font-size:11px;font-weight:800;letter-spacing:.8px;color:#7e89a1;text-transform:uppercase}.guide-head{max-width:840px;margin:0 auto 25px;text-align:center}.guide-head h1{font-size:clamp(32px,4vw,47px);line-height:1.16;letter-spacing:-1.8px;margin:10px 0}.guide-head p{color:var(--muted);font-size:14px;line-height:1.6}.progress-track{display:flex;gap:5px;width:min(680px,100%);margin:25px auto 0}.progress-track span{height:6px;flex:1;border-radius:100px;background:#e3e8f5}.progress-track span.active{background:var(--blue)}.walk-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:24px;max-width:916px;margin:0 auto;align-items:stretch}.visual-pane{border-radius:24px;background:#e9efff;min-height:420px;display:flex;align-items:center;justify-content:center;padding:22px;position:relative;overflow:hidden}.visual-pane.violet{background:#efeafd}.visual-pane.mint{background:#e4f6ed}.visual-pane.peach{background:#fff0e3}.visual-pane:before{content:"";position:absolute;width:320px;height:320px;left:-115px;bottom:-160px;border-radius:50%;background:rgba(255,255,255,.5)}.visual-pane:after{content:"";position:absolute;width:200px;height:200px;right:-95px;top:-90px;border-radius:50%;border:45px solid rgba(255,255,255,.33)}.mock-watermark{position:absolute;top:17px;left:20px;font-size:10px;font-weight:800;letter-spacing:1px;color:#8996b3;text-transform:uppercase}.illustration-phone{position:relative;width:215px;min-height:332px;background:white;border:7px solid #263654;border-radius:34px;padding:22px 12px 13px;box-shadow:0 17px 25px rgba(28,40,89,.15);z-index:1}.illustration-notch{position:absolute;left:50%;transform:translateX(-50%);top:0;background:#263654;width:70px;height:14px;border-radius:0 0 12px 12px}.screen-top{display:flex;align-items:center;justify-content:space-between;font-size:9px;color:#71809b;font-weight:800;margin:7px 0 16px}.mock-app-brand{display:flex;gap:6px;align-items:center;color:#1a66e6;font-size:13px;font-weight:800}.mock-alipay{width:21px;height:21px;background:#1b74ed;border-radius:7px;color:#fff;font-size:11px;display:grid;place-items:center;font-weight:800}.screen-title{font-weight:800;font-size:15px;line-height:1.25;letter-spacing:-.25px;margin:11px 0}.screen-subtitle{font-size:9px;color:#98a1b2;line-height:1.55}.screen-field{background:#f3f6fc;padding:11px;border-radius:9px;margin-top:10px;font-size:10px;color:#60708e}.screen-selected{border:1.5px solid #2b67ec;color:#2758c4;background:#eff4ff}.screen-action{background:#1d6dec;color:#fff;text-align:center;font-size:11px;font-weight:800;padding:11px;border-radius:9px;margin-top:13px}.screen-menu{display:flex;gap:9px;align-items:center;background:#f8fafe;border-radius:9px;padding:10px 9px;margin:7px 0;color:#52617d;font-size:10px;font-weight:750}.screen-menu.selected{border:2px solid #4380f5;background:#eff5ff;color:#1d57bb}.screen-menu .icon{width:17px;height:17px}.screen-menu em{margin-left:auto;font-style:normal;color:#92a2be}.mock-qr{margin:20px auto 10px;width:104px;height:104px;background:white;padding:8px;border:1px solid #cdd7ee;border-radius:8px;display:grid;place-items:center}.mock-qr svg{width:100%;height:100%}.mock-qr.sensitive{filter:blur(5px)}.mock-amount{font-size:30px;letter-spacing:-1px;font-weight:850;text-align:center;margin:17px auto 5px}.screen-good{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:#e3f9ef;color:#168b5b;margin:34px auto 10px}.screen-bad{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:#ffeded;color:#e55b50;margin:30px auto 10px}.tiny-center{text-align:center;font-size:11px;font-weight:800;margin:9px 0;color:#44506a}.small-center{text-align:center;font-size:9px;color:#98a5ba}.step-panel{background:white;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:34px;display:flex;flex-direction:column;min-height:420px}.step-kicker{display:flex;align-items:center;gap:8px;color:var(--blue);font-size:11px;font-weight:850;text-transform:uppercase;letter-spacing:1.3px}.step-kicker .step-dot{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#e7edff;color:#2458ee;font-size:10px}.step-panel h2{margin:17px 0 11px;font-size:clamp(25px,3vw,33px);letter-spacing:-1.25px;line-height:1.18}.step-description{color:#5c6781;font-size:15px;line-height:1.8}.help-toggle{margin-top:21px;border:1px solid #e3eaf7;border-radius:12px;padding:14px 15px;background:#f9fbff;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;font-weight:750;color:#536486;text-align:left}.help-toggle .icon{width:18px;height:18px;color:var(--blue);flex-shrink:0}.help-panel{margin-top:9px;border-left:3px solid #7ca4f9;padding:10px 14px;background:#f5f8ff;color:#50607e;font-size:12px;line-height:1.65;border-radius:5px 10px 10px 5px}.branch-link{display:flex;gap:8px;align-items:center;margin-top:12px;color:#bd582d;font-size:12px;font-weight:760;text-decoration:underline;text-underline-offset:3px}.step-spacer{flex:1;min-height:24px}.primary-btn{background:var(--blue);border:1px solid var(--blue);color:#fff;border-radius:13px;padding:16px 18px;font-weight:790;font-size:14px;display:flex;align-items:center;justify-content:center;gap:9px;width:100%;box-shadow:0 8px 15px rgba(33,82,232,.15);transition:transform .15s,background .15s}.primary-btn:hover{background:var(--blue-d);transform:translateY(-1px)}.primary-btn .icon{width:18px;height:18px}.secondary-btn{background:white;border:1px solid #d9e0ef;color:#36507c;border-radius:12px;padding:14px 17px;font-weight:780;font-size:13px;display:flex;align-items:center;justify-content:center;gap:8px}.step-actions{display:flex;justify-content:space-between;align-items:center;gap:9px;margin-top:13px}.step-actions .plain-action{font-size:12px}.safety-note{max-width:916px;margin:21px auto 0;display:flex;align-items:start;gap:9px;color:#788399;font-size:11px;line-height:1.5}.safety-note .icon{flex-shrink:0;color:#569f80}.guide-complete{max-width:680px;margin:22px auto 60px;background:white;border-radius:24px;padding:45px;text-align:center;border:1px solid var(--line);box-shadow:var(--shadow)}.complete-icon{width:74px;height:74px;border-radius:50%;background:#e3f9ed;color:#159562;display:grid;place-items:center;margin:0 auto 20px}.complete-icon .icon{width:38px;height:38px}.guide-complete h1{font-size:36px;letter-spacing:-1.3px}.guide-complete p{font-size:14px;color:var(--muted);margin:15px auto 24px;line-height:1.7;max-width:440px}.next-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:19px}.next-card{text-align:left;padding:14px;border:1px solid #e5e9f4;border-radius:12px;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:space-between}.next-card:hover{border-color:#b5c8fa}.info-page{max-width:770px;margin:45px auto 80px;padding:0 24px}.info-page h1{font-size:42px;letter-spacing:-1.4px;margin:14px 0}.info-page .intro{color:var(--muted);font-size:15px;line-height:1.7;margin-bottom:26px}.info-block{border:1px solid var(--line);border-radius:17px;background:white;padding:20px;margin:11px 0}.info-block h3{font-size:15px;margin-bottom:7px}.info-block p{color:#69748d;font-size:13px}.source-link{color:var(--blue);font-weight:800;font-size:13px;line-height:1.5;display:inline-flex;align-items:center;gap:7px}.source-link:hover{text-decoration:underline}.utility-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.small-utility{border:1px solid var(--line);border-radius:100px;background:white;padding:9px 12px;display:flex;align-items:center;gap:7px;color:#69748d;font-size:12px;font-weight:750}.small-utility:hover{border-color:#acbef3;color:var(--blue)}.icon{width:18px;height:18px;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;fill:none}.notice-toast{position:fixed;left:50%;transform:translateX(-50%);bottom:22px;z-index:100;padding:12px 19px;border-radius:100px;background:#253551;color:white;font-size:12px;font-weight:700;box-shadow:0 9px 24px #17233d33}
@media(max-width:870px){.hero{gap:16px}.hero h1{font-size:50px}.guide-grid{grid-template-columns:repeat(2,1fr)}.walk-grid{grid-template-columns:.87fr 1.13fr;gap:15px}.step-panel{padding:25px}.site-header,.footer{padding-left:28px;padding-right:28px}.home-main,.guide-main{padding-left:28px;padding-right:28px}}
@media(max-width:650px){.site-header{padding:18px 20px 6px}.brand-symbol{width:37px;height:37px}.brand-words{font-size:19px}.brand-words small{font-size:8px}.free-pill{font-size:9px;padding:8px 10px}.home-main{padding:0 18px 30px}.hero{display:block;padding:37px 4px 24px;min-height:0}.hero h1{font-size:clamp(43px,11.6vw,58px);line-height:1.08;letter-spacing:-2.5px;max-width:420px;margin:18px 0}.hero-description{font-size:14px;line-height:1.7;max-width:350px}.trust-row{gap:13px;margin-top:18px}.trust-row span{font-size:11px}.hero-art{display:none}.section-heading{margin:28px 3px 15px}.section-heading h2{font-size:21px}.section-heading p{font-size:12px}.section-note{font-size:11px}.guide-grid{grid-template-columns:1fr;gap:10px}.guide-card{min-height:0;padding:18px;display:grid;grid-template-columns:48px 1fr 18px;gap:0 12px;align-items:center;border-radius:17px}.guide-card .card-top{grid-column:1;grid-row:1 / span 3}.guide-card .card-top>.mini-arrow{display:none}.guide-card .card-category{grid-column:2;margin:0;font-size:9px}.guide-card h3{grid-column:2;margin-top:3px;font-size:16px}.guide-card p{grid-column:2;margin-top:4px;font-size:11px}.guide-card .card-meta{display:none}.guide-card:after{content:"›";font-size:22px;color:#b2bbce;grid-column:3;grid-row:1/span 3}.card-icon{width:45px;height:45px}.tiny-card{min-height:0}.section-second{margin-top:29px}.resume-banner{margin-top:18px}.bottom-note{font-size:11px}.footer{padding:14px 19px 22px}.footer-inner{font-size:10px;flex-direction:column;align-items:flex-start;gap:11px}.guide-main{padding:14px 17px 32px}.guide-top{margin-bottom:18px}.guide-head{margin-bottom:16px;text-align:left}.guide-head h1{font-size:31px;letter-spacing:-1.2px;margin:8px 0}.guide-head p{font-size:12px}.progress-track{margin-top:18px}.walk-grid{grid-template-columns:1fr;gap:0}.visual-pane{min-height:235px;border-radius:20px 20px 0 0;padding:23px}.illustration-phone{width:170px;min-height:265px;border-width:5px;border-radius:26px;padding:17px 9px 9px;transform:scale(.83);margin:-27px auto}.illustration-notch{height:11px;width:55px}.screen-top{margin:6px 0 11px}.screen-title{font-size:12px;margin:7px 0}.screen-menu{padding:7px;margin:5px 0;font-size:9px}.screen-field{padding:7px;margin-top:7px}.screen-action{padding:8px;font-size:9px}.mock-qr{width:84px;height:84px;margin:10px auto}.mock-amount{font-size:22px;margin:11px auto 3px}.screen-good,.screen-bad{width:46px;height:46px;margin:22px auto 9px}.screen-subtitle{font-size:8px}.mock-watermark{font-size:9px}.step-panel{border-radius:0 0 20px 20px;box-shadow:0 12px 30px rgba(40,60,100,.04);padding:23px 22px;min-height:0}.step-panel h2{font-size:24px;margin:13px 0 9px}.step-description{font-size:14px;line-height:1.7}.help-toggle{margin-top:16px;padding:13px}.step-spacer{min-height:22px}.safety-note{font-size:10px}.guide-complete{margin:20px 17px 35px;padding:30px 22px}.guide-complete h1{font-size:29px}.info-page{margin:28px auto 55px}.info-page h1{font-size:33px}.next-list{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.guide-card,.primary-btn{transition:none}}