.sidebar{overflow:hidden}.sidebar>.brand,.sidebar>.intro-pinned{flex-shrink:0}.intro-pinned{margin:0 16px 4px 3px;padding:12px 13px;min-height:46px;border-radius:8px;font-size:14px;gap:13px}.intro-pinned>i{width:29px;height:29px;color:#7c91b3}.intro-pinned>i svg{width:19px;height:19px}.intro-pinned.active>i{color:#5b79c5}.sidebar>nav{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:0 6px 10px 0;scrollbar-width:none!important;-ms-overflow-style:none;scrollbar-gutter:auto!important;overscroll-behavior:contain;margin-top:5px}.sidebar>nav::-webkit-scrollbar{display:none!important;width:0!important;height:0!important}.sidebar>nav::-webkit-scrollbar-thumb,.sidebar>nav::-webkit-scrollbar-track{background:transparent!important}.floating-tools{gap:7px;right:17px;bottom:25px}.floating-tools button,.floating-tools button:first-child{width:46px;height:47px;gap:4px;padding:5px 2px;background:#fff;border:1px solid #e1e7f0;border-radius:8px;color:#6e819e;font-size:9px;box-shadow:0 2px 6px #324b7208}.floating-tools svg,.floating-tools button:first-child svg{width:16px;height:16px;color:#8496b1}.floating-tools button:hover{background:#f5f8ff;color:#526ba8;border-color:#c8d5eb}.floating-tools button:hover svg{color:#617db7}#introPage{padding:0 0 20px}.product-hero{background:#f6f8ff url('assets/yunding-stationery-bg.png') no-repeat right center;background-size:cover;border:1px solid #e1e7f2;border-radius:15px;padding:40px 38px 34px;margin-bottom:48px}.hero-copy{max-width:66%}.product-wordmark{font-size:13px;font-weight:500;color:#607798;margin-bottom:19px;line-height:1.8}.product-hero h1{font-size:35px;font-weight:700;line-height:1.7;letter-spacing:0;margin:0 0 20px;color:#2b405f}.product-hero p{font-size:14px;color:#536c8d;line-height:2.1;margin:0 0 25px}.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.hero-actions .primary{font-size:14px;padding:14px 22px;gap:10px}.hero-actions .primary svg{width:17px;height:17px}.secondary-cta{font-size:13px;color:#627dab;padding:10px 0}.secondary-cta:hover{color:#415fa5}.hero-bottom-note{display:block;font-size:11px;color:#7489a7;margin-top:18px}.intro-section{margin:0 0 47px}.intro-section-heading{margin-bottom:24px}.intro-section-heading h2{font-size:23px;font-weight:700;line-height:1.8;color:#304867;margin:0 0 10px;letter-spacing:0}.intro-section-heading>p{font-size:13px;color:#7186a3;line-height:1.95;margin:0}.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:21px 27px}.pain-grid article{padding:24px 25px;border-top:1px solid #dce4ef;background:#f8fafd;border-radius:0 0 9px 9px}.pain-grid article>i{height:33px;width:33px;border-radius:9px;background:#edf2fb;color:#7992bb;margin-bottom:14px}.pain-grid article>i svg{height:18px;width:18px}.pain-grid h3{font-size:15px;font-weight:500;line-height:1.9;margin:0 0 10px;color:#405b80}.pain-grid p{font-size:13px;color:#6d829e;line-height:2;margin:0}.intro-tools-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid #e0e7f2;background:#fff;border-radius:12px;overflow:hidden}.intro-tool{display:flex;gap:14px;padding:26px 25px;min-width:0;align-items:flex-start;border-bottom:1px solid #e9eef6;transition:background .15s}.intro-tool:nth-child(2n+1){border-right:1px solid #e9eef6}.intro-tool:nth-last-child(-n+2){border-bottom:0}.intro-tool:hover{background:#f8faff}.intro-tool>.art-icon{height:44px;width:44px;flex-shrink:0}.intro-tool>div{min-width:0}.intro-tool h3{font-size:15px;font-weight:500;color:#3d587d;line-height:1.8;margin:0 0 9px}.intro-tool p{font-size:12px;color:#7288a6;line-height:1.95;margin:0}.intro-tool>i:last-child{margin:7px 0 0 auto;color:#9eb0ca}.intro-tool>i:last-child svg{width:14px;height:14px}.materials-section{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;background:#edf2fa;border:1px solid #dfe7f2;border-radius:13px;padding:32px;margin-bottom:47px}.materials-label{font-size:11px;color:#7890b0;display:block;margin-bottom:14px}.materials-copy h2{font-size:25px;font-weight:700;line-height:1.8;color:#334f74;letter-spacing:0;margin:0 0 18px}.materials-copy>p{font-size:13px;color:#6b82a0;line-height:2;margin:0 0 24px}.materials-copy ul{margin:0;padding:0;list-style:none;display:grid;gap:18px}.materials-copy li{display:flex;gap:9px;align-items:flex-start}.materials-copy li>i{width:18px;height:18px;background:#dfede7;color:#739d8c;border-radius:50%;margin-top:3px}.materials-copy li>i svg{width:11px;height:11px}.materials-copy li>span{font-size:12px;color:#6d84a2;line-height:1.95;flex:1}.materials-copy li strong{display:block;font-size:13px;color:#4e6b91;font-weight:500;margin-bottom:4px}.materials-preview{align-self:center;max-width:320px;width:100%;margin:auto}.material-file{display:flex;align-items:center;gap:11px;border:1px solid #dde6f2;border-radius:8px;padding:13px 15px;background:#fdfefe;margin-bottom:10px}.material-file>i{color:#7b96be}.material-file>i svg{width:22px;height:22px}.material-file>div{min-width:0;flex:1}.material-file strong{font-size:12px;color:#5a769d;line-height:1.8;font-weight:500;display:block}.material-file span{font-size:10px;line-height:1.8;color:#8b9fba}.material-file>i:last-child{color:#90b7a5}.material-file>i:last-child svg{width:13px;height:13px}.material-connector{text-align:center;color:#9db0cb;padding:1px 0 8px}.material-connector svg{width:18px;height:18px}.material-paper{padding:19px 24px;background:#fff;border:1px solid #dce5f1;border-radius:6px;box-shadow:0 5px 14px #37598508}.material-paper-header{display:flex;gap:6px;align-items:center;font-size:10px;color:#8b9fbc;border-bottom:1px solid #ebf0f7;padding-bottom:12px}.material-paper-header svg{width:13px;height:13px}.material-paper h3{font-size:15px;text-align:center;color:#6c85a8;font-weight:500;margin:20px 0 21px}.material-paper h4{font-size:10px;font-weight:500;color:#8298b7;margin:17px 0 10px}.illustration-line{height:3px;border-radius:2px;background:#e6edf6;margin-bottom:6px}.illustration-line.short{width:75%}.paper-download{display:flex;align-items:center;justify-content:center;gap:7px;padding:11px 0 0;color:#8b9fbd;border-top:1px solid #edf1f7;font-size:9px;margin-top:22px}.paper-download svg{height:12px;width:12px}.intro-how{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;margin:0;padding:24px 0 0;border-top:1px solid #dfe7f2;gap:24px}.intro-how b{display:grid;place-items:center;width:29px;height:29px;border-radius:50%;background:#e7eefc;color:#6c87bf;font-size:12px;font-weight:500;margin-bottom:17px}.intro-how h3{font-size:14px;font-weight:500;color:#486589;line-height:1.8;margin:0 0 10px}.intro-how p{font-size:12px;line-height:1.95;color:#758ba8;margin:0}.intro-final{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:28px 30px;border:1px solid #dde6f3;border-radius:11px;background:#fff;margin:0 0 25px}.intro-final h2{font-size:20px;line-height:1.8;color:#3f5c81;font-weight:500;letter-spacing:0;margin:0 0 10px}.intro-final p{font-size:13px;color:#7b90ac;line-height:1.8;margin:0}.intro-final .primary{font-size:13px;white-space:nowrap;padding:13px 22px}.intro-final .primary svg{width:16px;height:16px}.intro-availability{padding:1px 3px 0}.intro-availability strong{font-size:11px;font-weight:500;color:#758ba9;line-height:1.8}.intro-availability p{font-size:11px;line-height:2;color:#8295af;margin:7px 0 0;max-width:950px}
@media(max-width:1250px){.intro-pinned{font-size:13px;margin-right:10px}.product-hero{padding:32px 29px;margin-bottom:40px}.product-hero h1{font-size:30px}.product-hero p{font-size:13px}.hero-copy{max-width:68%}.hero-actions{gap:17px}.hero-actions .primary{font-size:13px;padding:13px 19px}.secondary-cta{font-size:12px}.pain-grid{gap:18px}.pain-grid article{padding:21px}.pain-grid h3{font-size:14px}.pain-grid p{font-size:12px}.intro-section-heading h2{font-size:21px}.intro-tool{padding:23px 20px;gap:10px}.intro-tool>.art-icon{width:39px;height:39px}.intro-tool h3{font-size:14px}.intro-tool p{font-size:11px}.materials-section{gap:27px;padding:27px}.materials-copy h2{font-size:22px}.materials-copy>p{font-size:12px}.materials-copy li>span{font-size:11px}.materials-copy li strong{font-size:12px}.intro-how{gap:19px}.intro-how h3{font-size:13px}.intro-how p{font-size:11px}.intro-final{padding:25px}.intro-final h2{font-size:18px}.intro-final .primary{font-size:12px;padding:12px 18px}}
@media(max-width:1000px){.hero-copy{max-width:73%}.product-hero h1{font-size:28px}.product-hero p{font-size:13px}.product-wordmark{font-size:12px}.hero-actions{gap:12px}.hero-actions .primary{font-size:12px;padding:12px 17px}.secondary-cta{font-size:11px}.intro-section-heading h2{font-size:20px}.intro-section-heading>p{font-size:12px}.pain-grid{grid-template-columns:1fr;gap:16px}.pain-grid h3{font-size:15px}.pain-grid p{font-size:13px}.intro-tools-grid{grid-template-columns:1fr}.intro-tool{border-right:0!important;border-bottom:1px solid #e9eef6!important;padding:23px}.intro-tool:last-child{border-bottom:0!important}.intro-tool>.art-icon{height:44px;width:44px}.intro-tool h3{font-size:15px}.intro-tool p{font-size:12px}.materials-section{grid-template-columns:1fr;padding:28px;gap:30px}.materials-copy h2{font-size:24px}.materials-copy>p{font-size:13px}.materials-copy li strong{font-size:13px}.materials-copy li>span{font-size:12px}.materials-preview{max-width:340px}.intro-how{grid-template-columns:1fr 1fr;gap:26px}.intro-how h3{font-size:14px}.intro-how p{font-size:12px}.intro-final{display:block;padding:26px}.intro-final .primary{margin-top:21px}.intro-final h2{font-size:20px}.intro-section{margin-bottom:39px}.materials-section{margin-bottom:40px}}
@media(max-width:650px){.intro-pinned{font-size:14px;margin:0 16px 4px 3px}.sidebar>nav{padding-right:6px}.floating-tools{right:10px;bottom:24px;gap:6px}.floating-tools button,.floating-tools button:first-child{height:44px;width:44px;border-radius:7px;gap:3px;font-size:9px}.floating-tools svg,.floating-tools button:first-child svg{width:15px;height:15px}.product-hero{padding:27px 20px 24px;background-position:68% center;background-size:auto 100%;border-radius:11px;margin-bottom:33px}.hero-copy{max-width:100%}.product-wordmark{font-size:10px;margin-bottom:15px;max-width:78%;line-height:1.9}.product-hero h1{font-size:25px;line-height:1.75;margin-bottom:17px}.product-hero p{font-size:12px;line-height:2;background:#f6f8fff0;border-radius:5px;padding:7px 0;margin-bottom:19px}.hero-actions{gap:10px;align-items:flex-start;flex-direction:column}.hero-actions .primary{font-size:12px;padding:12px 17px}.secondary-cta{font-size:11px;padding:7px 0}.hero-bottom-note{font-size:10px;margin-top:11px}.intro-section-heading h2{font-size:19px;line-height:1.85;margin-bottom:11px}.intro-section-heading>p{font-size:11px;line-height:2}.intro-section-heading{margin-bottom:21px}.pain-grid article{padding:20px 18px}.pain-grid h3{font-size:14px}.pain-grid p{font-size:12px}.pain-grid article>i{width:30px;height:30px;margin-bottom:12px}.pain-grid article>i svg{width:17px;height:17px}.intro-tool{padding:21px 17px;gap:11px}.intro-tool>.art-icon{width:35px;height:35px}.intro-tool h3{font-size:14px}.intro-tool p{font-size:11px;line-height:2}.intro-tool>i:last-child{display:none}.materials-section{padding:23px 18px;border-radius:10px;gap:27px;margin-bottom:36px}.materials-label{font-size:10px;margin-bottom:12px}.materials-copy h2{font-size:21px;line-height:1.9;margin-bottom:16px}.materials-copy>p{font-size:12px;line-height:2}.materials-copy li>span{font-size:11px;line-height:2}.materials-copy li strong{font-size:12px}.materials-copy ul{gap:17px}.material-file{padding:12px 11px;gap:8px}.material-file strong{font-size:11px}.material-file span{font-size:9px}.material-file>i svg{width:18px;height:18px}.material-paper{padding:18px 20px}.intro-how{grid-template-columns:1fr;gap:24px;padding-top:23px}.intro-how li{display:grid;grid-template-columns:26px 1fr;column-gap:12px;align-items:start}.intro-how b{height:26px;width:26px;font-size:11px;margin:1px 0 0;grid-row:span 2}.intro-how h3{font-size:14px;margin:0 0 7px}.intro-how p{font-size:11px;line-height:2}.intro-section{margin-bottom:35px}.intro-final{padding:24px 19px;border-radius:10px;margin-bottom:23px}.intro-final h2{font-size:18px;line-height:1.9}.intro-final p{font-size:12px;line-height:2}.intro-final .primary{font-size:12px;padding:12px 18px;margin-top:19px}.intro-availability strong{font-size:10px}.intro-availability p{font-size:10px;line-height:2}}
