:root{--paper:#f3f0e7;--ink:#151a25;--orange:#ff633f;--blue:#3257d8;--muted:#6f716f;--line:#cbc8be;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65;overflow-x:hidden}a{text-decoration:none;color:inherit}header{width:min(var(--max),calc(100% - 40px));height:88px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:relative;z-index:10}.logo{display:flex;align-items:center;gap:11px}.logo>span{display:grid;place-items:center;width:42px;height:42px;background:var(--ink);color:white;border-radius:50%;font:900 13px Arial;letter-spacing:-1px}.logo div{display:flex;flex-direction:column;line-height:1.25}.logo b{font-size:17px;letter-spacing:2px}.logo small{color:var(--muted);font-size:9px;letter-spacing:2px}nav{display:flex;gap:32px}nav a{font-size:13px}nav a:hover{color:var(--orange)}.nav-btn{padding:9px 18px;border:1px solid var(--ink);border-radius:99px;font-size:12px;font-weight:bold}.hero{width:min(var(--max),calc(100% - 40px));min-height:700px;margin:auto;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:70px;position:relative;padding:70px 0 100px}.shape{position:absolute;z-index:-1}.shape-a{width:240px;height:240px;border:1px solid #d8d4c9;border-radius:50%;left:-120px;top:80px}.shape-b{width:40px;height:40px;background:var(--orange);right:20px;top:120px;clip-path:polygon(50% 0,62% 38%,100% 50%,62% 62%,50% 100%,38% 62%,0 50%,38% 38%)}.tag{font:11px Arial;letter-spacing:2px;margin-bottom:27px}.tag span{background:var(--blue);color:white;padding:5px 9px;border-radius:3px;margin-right:8px}.hero h1{font-size:clamp(55px,6.5vw,88px);line-height:1.04;letter-spacing:-6px;margin:0 0 30px}.hero h1 em{font-style:normal;color:var(--orange)}.hero-main>p{font-size:17px;color:#5f615f;max-width:610px;margin-bottom:32px}.hero-buttons{display:flex;align-items:center;gap:30px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;padding:15px 21px;border-radius:4px;font-size:13px;font-weight:bold;transition:.2s}.button:hover{transform:translateY(-3px);box-shadow:6px 7px 0 rgba(21,26,37,.14)}.button.dark{background:var(--ink);color:white}.text-link{font-size:12px;border-bottom:1px solid var(--ink);padding:5px 0}.text-link span{margin-left:15px}.hero-board{min-height:390px;background:var(--blue);color:white;border-radius:6px;padding:42px;position:relative;box-shadow:18px 20px 0 #d9d5ca;transform:rotate(2deg);display:flex;flex-direction:column;justify-content:center;align-items:center}.hero-board:before{content:"";position:absolute;inset:13px;border:1px solid rgba(255,255,255,.25);border-radius:3px}.stamp{position:absolute;top:-25px;right:-24px;width:76px;height:76px;border-radius:50%;background:var(--orange);display:grid;place-items:center;text-align:center;font:900 10px/1.2 Arial;letter-spacing:1px;transform:rotate(12deg);box-shadow:0 0 0 6px var(--paper),0 0 0 7px var(--orange)}.board-label{font:10px Arial;letter-spacing:4px;opacity:.7}.hero-board strong{font:900 110px/1 Arial;letter-spacing:-8px;margin:10px 0}.hero-board button{position:relative;border:1px solid rgba(255,255,255,.5);background:transparent;color:white;border-radius:99px;padding:8px 18px;cursor:pointer}.board-foot{position:absolute;bottom:32px;left:35px;right:35px;display:flex;align-items:center;gap:10px;font-size:10px}.board-foot i{height:1px;background:rgba(255,255,255,.35);flex:1}.scroll-note{position:absolute;bottom:30px;left:0;font:9px Arial;letter-spacing:2px}.scroll-note i{font-style:normal;margin-left:13px;color:var(--orange)}.quick-links{display:grid;grid-template-columns:repeat(3,1fr);width:min(var(--max),calc(100% - 40px));margin:0 auto 30px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.quick-links a{display:grid;grid-template-columns:35px 1fr auto;align-items:center;gap:14px;padding:24px 25px;border-right:1px solid var(--line);transition:.2s}.quick-links a:last-child{border:0}.quick-links a:hover{background:#ebe7dc}.quick-links a>span{font:10px Arial;color:var(--orange)}.quick-links b{display:block;font-size:14px}.quick-links small{display:block;color:var(--muted);font-size:10px}.quick-links i{font-style:normal}.section{width:min(var(--max),calc(100% - 40px));margin:auto;padding:130px 0}.section-title>span{display:block;font:10px Arial;letter-spacing:3px;color:var(--blue);margin-bottom:22px}.section-title h2{font-size:clamp(38px,4.2vw,55px);line-height:1.16;letter-spacing:-3px;margin:0}.guide{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px}.guide-copy{padding-top:42px}.guide-copy p{color:var(--muted);font-size:14px}.guide-copy .lead{font-size:23px;line-height:1.5;color:var(--ink);font-weight:bold;margin-top:0}.note{display:grid;grid-template-columns:90px 1fr;gap:20px;border-left:4px solid var(--orange);background:#e9e4d8;padding:18px 20px;margin-top:30px}.note b{font-size:12px}.note span{font-size:12px;color:#656762}.guide-cards{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:25px}.guide-cards article{position:relative;min-height:300px;border:1px solid var(--ink);padding:28px;background:#f7f4ec;overflow:hidden}.guide-cards article:nth-child(2){background:#e9edff}.guide-cards article:nth-child(3){background:#ffe2d7}.guide-cards article>span{font:10px Arial;letter-spacing:2px}.scribble{position:absolute;right:-5px;top:38px;color:rgba(21,26,37,.06);font-size:84px;font-weight:900;transform:rotate(-8deg)}.guide-cards h3{margin-top:105px;font-size:21px}.guide-cards p{color:var(--muted);font-size:12px}.guide-cards p b{color:var(--blue)}.audience{background:var(--ink);color:white}.audience-inner{width:min(var(--max),calc(100% - 40px));margin:auto;padding:125px 0;display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.section-title.light>span{color:#8ea3ff}.section-title.light p{color:#9da1aa;font-size:13px;margin-top:28px;max-width:320px}.audience-list{border-top:1px solid #3d424b}.audience-list article{display:grid;grid-template-columns:45px 1fr 130px;gap:18px;align-items:center;padding:27px 0;border-bottom:1px solid #3d424b}.audience-list article>span{font:10px Arial;color:var(--orange)}.audience-list h3{margin:0;font-size:18px}.audience-list p{color:#9da1aa;font-size:11px;margin:5px 0 0}.audience-list article>b{text-align:right;font-size:10px;color:#8b90a0}.methods{display:grid;grid-template-columns:.75fr 1.25fr;gap:80px}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.method{min-height:285px;padding:25px;border:1px solid var(--ink);display:flex;flex-direction:column}.method .num{font:900 42px Arial;margin-bottom:auto}.method>span{font:10px Arial;letter-spacing:2px}.method h3{font-size:17px;line-height:1.4;margin:10px 0}.method p{font-size:11px;margin:0}.m1{background:var(--orange);transform:rotate(-1deg)}.m2{background:#d8e2af}.m3{background:#d6defe}.m4{background:#f8f4ea;transform:rotate(1deg)}.checklist{border-top:1px solid var(--line);display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.check-head span{color:var(--orange);font:10px Arial;letter-spacing:3px}.check-head h2{font-size:35px;line-height:1.3}.checks{display:grid;grid-template-columns:1fr 1fr;gap:12px}.checks label{display:flex;gap:10px;align-items:center;padding:16px;border:1px solid var(--line);background:#f7f4ec;font-size:12px;cursor:pointer}.checks input{width:18px;height:18px;accent-color:var(--blue)}.questions{display:grid;grid-template-columns:.6fr 1.4fr;gap:90px}.qa{border-top:1px solid var(--ink)}.qa details{border-bottom:1px solid var(--line)}.qa summary{display:grid;grid-template-columns:50px 1fr auto;align-items:center;padding:23px 0;list-style:none;cursor:pointer;font-weight:bold;font-size:15px}.qa summary::-webkit-details-marker{display:none}.qa summary span{font:10px Arial;color:var(--orange)}.qa summary i{font-style:normal;font-size:22px}.qa details[open] summary i{transform:rotate(45deg)}.qa details p{margin:0 30px 25px 50px;color:var(--muted);font-size:13px}.qa details p b{color:var(--blue)}.cta{width:min(var(--max),calc(100% - 40px));margin:0 auto 100px;background:var(--blue);color:white;padding:60px;display:flex;align-items:flex-end;justify-content:space-between;position:relative}.cta:before{content:"";position:absolute;width:90px;height:90px;background:var(--orange);clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);right:34%;top:-42px}.cta-copy>span{font:10px Arial;letter-spacing:3px}.cta h2{font-size:40px;line-height:1.2;margin:15px 0}.cta p{font-size:11px}.cta p b{font-size:22px}.cta-action{text-align:right}.button.orange{background:var(--orange);color:var(--ink)}.cta-action small{display:block;font-size:9px;opacity:.7;margin-top:10px}footer{width:min(var(--max),calc(100% - 40px));margin:auto;border-top:1px solid var(--ink);padding:60px 0 25px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:45px}.footer-brand p{font-size:11px;color:var(--muted)}footer h4{font:10px Arial;letter-spacing:2px;margin:0 0 15px}footer>div>a:not(.logo){display:block;color:var(--muted);font-size:11px;margin:7px 0}footer>div>a:hover{color:var(--orange)}.legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:17px;display:flex;justify-content:space-between;gap:30px;color:#888982;font-size:9px}.legal p:first-child{max-width:760px}.mobile-cta{display:none}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);background:var(--ink);color:white;padding:10px 18px;border-radius:99px;font-size:11px;opacity:0;transition:.25s;z-index:50}.toast.show{opacity:1;transform:translate(-50%,0)}.inview{opacity:0;transform:translateY(20px);transition:.7s}.inview.visible{opacity:1;transform:none}@media(max-width:900px){nav{display:none}.hero{grid-template-columns:1fr;padding-top:80px}.hero-main{text-align:center}.hero-main>p{margin-left:auto;margin-right:auto}.hero-buttons{justify-content:center}.hero-board{width:430px;margin:auto}.scroll-note{display:none}.guide,.methods,.checklist,.questions,.audience-inner{grid-template-columns:1fr}.audience-inner{gap:55px}.method-grid{max-width:700px}.cta{flex-direction:column;align-items:flex-start;gap:30px}.cta-action{text-align:left}}@media(max-width:600px){body{padding-bottom:64px}header{height:70px;width:calc(100% - 28px)}.nav-btn{display:none}.hero{width:calc(100% - 28px);min-height:auto;padding:70px 0}.hero h1{font-size:50px;letter-spacing:-4px}.hero-main>p{font-size:14px}.hero-buttons{flex-direction:column}.button{width:100%}.hero-board{width:calc(100% - 20px);min-height:330px;padding:25px}.hero-board strong{font-size:92px}.quick-links{width:calc(100% - 28px);grid-template-columns:1fr}.quick-links a{border-right:0;border-bottom:1px solid var(--line)}.section{width:calc(100% - 28px);padding:85px 0}.section-title h2{font-size:39px}.guide{gap:20px}.guide-copy .lead{font-size:19px}.note{grid-template-columns:1fr}.guide-cards{grid-template-columns:1fr}.guide-cards article{min-height:240px}.guide-cards h3{margin-top:70px}.audience-inner{width:calc(100% - 28px);padding:80px 0}.audience-list article{grid-template-columns:35px 1fr}.audience-list article>b{display:none}.methods{gap:45px}.method-grid{grid-template-columns:1fr}.method{min-height:250px}.checklist{gap:30px}.checks{grid-template-columns:1fr}.questions{gap:40px}.qa details p{margin-left:0}.cta{width:calc(100% - 28px);padding:38px 24px;margin-bottom:70px}.cta h2{font-size:31px}.cta:before{width:55px;height:55px;right:20px;top:-25px}footer{width:calc(100% - 28px);grid-template-columns:1fr 1fr;padding-top:45px}.footer-brand{grid-column:1/-1}.legal{flex-direction:column;gap:0}.mobile-cta{display:grid;grid-template-columns:.8fr 1.2fr;position:fixed;bottom:0;left:0;right:0;height:64px;padding:8px;background:var(--paper);border-top:1px solid var(--ink);z-index:30}.mobile-cta a{display:grid;place-items:center;font-size:11px}.mobile-cta a:last-child{background:var(--ink);color:white;border-radius:4px;font-weight:bold}}