:root{--ys-orange:#ff6a00;--ys-orange2:#ff8a00;--ys-ink:#0b0b0c;--ys-muted:#6f7280;--ys-line:#e8e8ea;--ys-soft:#f5f4ff;--ys-blue:#2f6bff;--ys-purple:#7657ff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body.yizi-sales-page{margin:0;background:#fff;color:var(--ys-ink);font-family:Arial,'Helvetica Neue',Helvetica,sans-serif;-webkit-font-smoothing:antialiased}.ys-header{height:78px;display:flex;align-items:center;gap:28px;padding:0 max(22px,calc((100vw - 1240px)/2));background:rgba(255,255,255,.9);border-bottom:1px solid rgba(232,232,234,.8);position:sticky;top:0;z-index:60;backdrop-filter:blur(20px)}.ys-logo{display:flex;align-items:center;gap:10px;color:var(--ys-ink);text-decoration:none;font-weight:800;font-size:21px;letter-spacing:-.5px}.ys-logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--ys-orange),var(--ys-orange2));color:#fff;font-size:19px;box-shadow:0 10px 28px rgba(255,106,0,.23)}.ys-nav{display:flex;gap:28px;margin-left:auto}.ys-nav a{color:#4c4f59;text-decoration:none;font-size:14px;font-weight:700}.ys-nav a:hover{color:#000}.ys-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:12px 21px;text-decoration:none;font-weight:800;border:1px solid transparent;transition:.22s ease}.ys-btn:hover{transform:translateY(-1px)}.ys-btn-dark{background:#0b0b0c;color:#fff;box-shadow:0 10px 24px rgba(11,11,12,.13)}.ys-btn-dark:hover{background:var(--ys-orange)}.ys-btn-light{background:#fff;color:#111;border-color:#dedfe3}.ys-btn-light:hover{border-color:#bbbcc2;background:#fafafa}.ys-btn-lg{padding:16px 27px;font-size:16px}.ys-btn-white{background:#fff;color:#111}.ys-full{width:100%;position:relative}.ys-full-inner{width:min(1240px,calc(100% - 48px));margin:0 auto}
.ys-hero{min-height:760px;position:relative;overflow:hidden;isolation:isolate;display:flex;align-items:center;justify-content:center;text-align:center;padding:100px 24px 95px;background:radial-gradient(circle at 18% 18%,rgba(255,126,48,.22),transparent 30%),radial-gradient(circle at 82% 22%,rgba(99,102,241,.18),transparent 31%),radial-gradient(circle at 50% 82%,rgba(255,214,102,.19),transparent 34%),linear-gradient(135deg,#fffaf5 0%,#f8f7ff 48%,#f7fbff 100%)}.ys-hero:before{content:'';position:absolute;inset:0;z-index:-2;background-image:linear-gradient(rgba(15,23,42,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(15,23,42,.035) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.72),transparent 88%)}.ys-hero:after{content:'';position:absolute;left:50%;bottom:-210px;width:min(920px,92vw);height:390px;transform:translateX(-50%);border-radius:50%;background:rgba(255,255,255,.82);filter:blur(1px);box-shadow:0 -40px 100px rgba(255,255,255,.92);z-index:-1}.ys-hero-inner{width:min(1000px,100%);position:relative;z-index:2}.ys-domain-badge{display:inline-flex;align-items:center;padding:10px 16px;border-radius:999px;background:#fff1e7;color:#a93f00;border:1px solid #ffd2b4;font-size:14px;font-weight:800;margin-bottom:26px}.ys-hero h1{font-family:Georgia,'Times New Roman',serif;font-size:clamp(68px,9vw,124px);line-height:.88;letter-spacing:-5px;margin:0 0 28px;font-weight:700}.ys-hero h1 span{color:var(--ys-orange)}.ys-hero-lead{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-1.2px;margin:0 0 12px}.ys-hero-sub{max-width:670px;margin:0 auto 32px;color:var(--ys-muted);font-size:18px;line-height:1.7}.ys-hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.ys-trust-line{margin-top:20px;color:#858894;font-size:13px;font-weight:700;display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap}.ys-trust-line i{width:4px;height:4px;background:#c4c6cc;border-radius:50%}.ys-orb{position:absolute;border-radius:50%;filter:blur(18px);pointer-events:none;opacity:.9}.ys-orb-a{width:470px;height:470px;left:-180px;top:40px;background:radial-gradient(circle,rgba(255,106,0,.24),rgba(255,106,0,0) 70%)}.ys-orb-b{width:520px;height:520px;right:-210px;bottom:-110px;background:radial-gradient(circle,rgba(91,91,255,.20),rgba(91,91,255,0) 70%)}
.ys-full-dark{background:#0b0b0c;color:#fff;padding:110px 0 120px}.ys-feature-intro{text-align:center;max-width:900px}.ys-kicker{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--ys-orange);margin-bottom:16px}.ys-feature-intro h2,.ys-split-copy h2,.ys-how-head h2,.ys-cta h2{font-size:clamp(42px,5vw,70px);line-height:.98;letter-spacing:-3.4px;margin:0;font-weight:800}.ys-feature-intro p{max-width:690px;margin:22px auto 0;color:#a9abb4;font-size:18px;line-height:1.7}.ys-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:56px}.ys-feature{min-height:300px;border-radius:30px;padding:34px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;position:relative}.ys-feature>span{position:absolute;top:28px;left:30px;font-size:12px;font-weight:800;opacity:.7}.ys-feature h3{font-size:28px;line-height:1.05;letter-spacing:-1px;margin:0 0 12px}.ys-feature p{font-size:14px;line-height:1.65;margin:0;max-width:290px}.ys-feature-light{background:#f5f5f5;color:#111}.ys-feature-light p{color:#666}.ys-feature-orange{background:linear-gradient(145deg,#ff7a00,#ff4f00);color:#fff}.ys-feature-orange:after{content:'';position:absolute;width:190px;height:190px;border-radius:50%;background:rgba(255,255,255,.12);right:-55px;top:-45px}.ys-feature-blue{background:linear-gradient(145deg,#3b72ff,#6e5cff);color:#fff}.ys-feature-blue:after{content:'';position:absolute;width:220px;height:220px;border-radius:50%;border:1px solid rgba(255,255,255,.18);right:-70px;top:-80px}
.ys-full-soft{background:#f2f2ff;padding:120px 0}.ys-split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.ys-split-copy{max-width:610px}.ys-split-copy p{font-size:18px;color:#656777;line-height:1.75;margin:24px 0}.ys-text-link{color:#111;text-decoration:none;font-weight:800;border-bottom:1px solid #111;padding-bottom:3px}.ys-visual-stack{height:440px;position:relative}.ys-visual-card{position:absolute;width:72%;min-height:170px;border-radius:28px;padding:32px;box-shadow:0 24px 70px rgba(25,25,45,.13);display:flex;flex-direction:column;justify-content:flex-end}.ys-visual-card b{font-size:25px;letter-spacing:-.8px}.ys-visual-card span{font-size:13px;margin-top:7px;opacity:.72}.ys-v1{background:#fff;right:0;top:0;transform:rotate(3deg)}.ys-v2{background:#111;color:#fff;left:2%;top:120px;transform:rotate(-3deg)}.ys-v3{background:linear-gradient(135deg,#ff8a00,#ff5b00);color:#fff;right:6%;bottom:0;transform:rotate(2deg)}
.ys-full-white{background:#fff;padding:120px 0}.ys-how-head{text-align:center;max-width:760px;margin:0 auto}.ys-how-head p{color:var(--ys-muted);font-size:17px;margin:18px 0 0}.ys-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:56px}.ys-steps article{border:1px solid var(--ys-line);border-radius:28px;padding:32px;min-height:230px;background:#fff}.ys-steps b{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:#111;color:#fff;font-size:14px}.ys-steps h3{font-size:24px;letter-spacing:-.7px;margin:46px 0 9px}.ys-steps p{color:var(--ys-muted);line-height:1.6;margin:0;font-size:14px}
.ys-full-gradient{background:linear-gradient(120deg,#ff6200 0%,#ff8300 52%,#ffb000 100%);color:#fff;padding:76px 0}.ys-cta{display:flex;align-items:center;justify-content:space-between;gap:35px}.ys-cta .ys-kicker{color:#ffe2cd}.ys-cta p{font-size:17px;color:#fff4ea;margin:16px 0 0}.ys-footer{width:min(1240px,calc(100% - 48px));margin:auto;padding:34px 0 44px;display:flex;align-items:center;gap:24px;border-top:1px solid var(--ys-line);color:#8b8e96}.ys-footer p{margin:0 auto 0 0}.ys-footer small{font-size:12px}
@media(max-width:900px){.ys-header{height:70px;padding:0 18px}.ys-nav{display:none}.ys-header>.ys-btn{margin-left:auto;padding:10px 14px}.ys-full-inner{width:min(100% - 36px,1240px)}.ys-hero{min-height:auto;padding:78px 20px 72px}.ys-hero h1{font-size:72px;letter-spacing:-4.3px}.ys-feature-grid{grid-template-columns:1fr}.ys-feature{min-height:230px}.ys-split{grid-template-columns:1fr;gap:50px}.ys-visual-stack{height:380px}.ys-steps{grid-template-columns:1fr}.ys-steps article{min-height:auto}.ys-steps h3{margin-top:28px}.ys-cta{display:block;text-align:center}.ys-cta .ys-btn{margin-top:28px}}
@media(max-width:560px){.ys-logo span:last-child{display:none}.ys-header>.ys-btn{font-size:12px}.ys-full-inner{width:min(100% - 28px,1240px)}.ys-hero{padding:62px 16px 58px}.ys-domain-badge{margin-bottom:20px}.ys-hero h1{font-size:52px;letter-spacing:-3px}.ys-hero-lead{font-size:24px}.ys-hero-sub{font-size:15px}.ys-hero-actions{flex-direction:column}.ys-hero-actions .ys-btn{width:100%;max-width:320px}.ys-trust-line{font-size:12px}.ys-full-dark,.ys-full-soft,.ys-full-white{padding:82px 0}.ys-feature-intro h2,.ys-split-copy h2,.ys-how-head h2,.ys-cta h2{font-size:39px;letter-spacing:-2px}.ys-feature-grid{margin-top:38px}.ys-feature{padding:26px;border-radius:24px}.ys-visual-stack{height:330px}.ys-visual-card{width:82%;min-height:135px;padding:24px;border-radius:22px}.ys-visual-card b{font-size:21px}.ys-v2{top:95px}.ys-footer{width:calc(100% - 28px);padding:28px 0 34px;flex-wrap:wrap}.ys-footer p{width:100%;order:3}}