:root{--primary:#2F6BFF;--secondary:#6FA3FF;--text-main:#1F2D3D;--bg-light:#F4F7FB;--card-bg:#FFFFFF;--border:#D6E2FF;--glow:#A5C4FF;--btn-bg:linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);}
.page-download{color:var(--text-main);background:var(--bg-light);font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;line-height:1.7;overflow-x:hidden;}
.page-download__hero-section{padding-top:10px;background:var(--bg-light);}
.page-download__hero-image-wrap{width:100%;margin:0 auto;}
.page-download__hero-image{width:100%;max-width:1200px;height:auto;aspect-ratio:16/9;object-fit:cover;display:block;margin:0 auto;border-radius:16px;}
.page-download__hero-content{max-width:1200px;margin:0 auto;text-align:center;padding:24px 16px 16px;}
.page-download__hero-title{font-size:clamp(1.5rem,4vw,2.5rem);line-height:1.2;font-weight:800;color:var(--text-main);letter-spacing:-0.01em;margin:0 0 12px;}
.page-download__hero-desc{max-width:800px;margin:0 auto 20px;font-size:clamp(1rem,2vw,1.125rem);color:#3A4A5E;}
.page-download__hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.page-download__btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:999px;padding:12px 28px;font-weight:700;font-size:1rem;transition:transform .2s ease,box-shadow .2s ease;cursor:pointer;border:none;line-height:1.4;box-sizing:border-box;}
.page-download__btn--primary{background:var(--btn-bg);color:#fff;box-shadow:0 4px 12px rgba(47,107,255,.4);}
.page-download__btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(47,107,255,.5);}
.page-download__btn--secondary{background:#fff;color:var(--primary);border:2px solid var(--primary);}
.page-download__btn--secondary:hover{background:#EAF1FF;}
.page-download__btn--large{padding:16px 36px;font-size:1.125rem;background:var(--btn-bg);color:#fff;box-shadow:0 8px 20px rgba(47,107,255,.4);}
.page-download__btn--large:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(47,107,255,.5);}
.page-download__section-title{text-align:center;font-size:clamp(1.5rem,3vw,2.25rem);color:var(--text-main);margin:0 0 32px;font-weight:800;}
.page-download__feature-section{padding:48px 16px;max-width:1200px;margin:0 auto;}
.page-download__feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.page-download__feature-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:28px 20px;transition:box-shadow .2s ease;}
.page-download__feature-card:hover{box-shadow:0 8px 30px rgba(47,107,255,.15);}
.page-download__feature-title{font-size:1.125rem;color:var(--primary);margin:0 0 8px;font-weight:700;}
.page-download__feature-text{font-size:0.9375rem;color:#31465a;margin:0;}
.page-download__guide-section{padding:48px 16px;background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.page-download__guide-intro{max-width:800px;margin:0 auto 32px;text-align:center;color:#3A4A5E;}
.page-download__guide-steps{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:48px;}
.page-download__guide-step{display:flex;flex-direction:column;gap:16px;}
.page-download__guide-title{font-size:1.375rem;color:var(--text-main);font-weight:700;margin:0;}
.page-download__guide-desc{color:#3A4A5E;margin:0;}
.page-download__guide-figure{width:100%;margin:0;}
.page-download__guide-image{width:100%;max-width:800px;height:auto;aspect-ratio:2/1;object-fit:cover;border-radius:12px;display:block;}
.page-download__guide-note{max-width:900px;margin:32px auto 0;text-align:center;color:#3A4A5E;background:var(--bg-light);padding:16px 20px;border-radius:12px;}
.page-download__guide-note a{color:var(--primary);text-decoration:underline;}
.page-download__section--faq{padding:48px 16px;max-width:800px;margin:0 auto;}
.page-download__faq-item{border:1px solid var(--border);border-radius:12px;margin-bottom:16px;background:var(--card-bg);box-shadow:0 2px 8px rgba(0,0,0,.04);transition:box-shadow .2s ease;}
.page-download__faq-item[open]{box-shadow:0 4px 20px rgba(47,107,255,.15);}
.page-download__faq-question{font-weight:600;color:var(--text-main);padding:16px 20px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:1rem;}
.page-download__faq-question::-webkit-details-marker{display:none;}
.page-download__faq-question::after{content:'+' ;font-size:1.5rem;color:var(--primary);line-height:1;transition:transform .2s ease;}
.page-download__faq-item[open] .page-download__faq-question::after{content:'−';}
.page-download__faq-item p{padding:0 20px 16px;margin:0;color:#31465a;}
.page-download__cta-section{padding:48px 16px;max-width:1200px;margin:0 auto;text-align:center;background:linear-gradient(180deg, #EAF1FF 0%, #F4F7FB 100%);border-radius:24px;margin-top:48px;margin-bottom:48px;border:1px solid var(--border);}
.page-download__cta-title{font-size:clamp(1.375rem,3vw,2rem);color:var(--text-main);font-weight:800;margin:0 0 16px;}
.page-download__cta-text{max-width:680px;margin:0 auto 28px;color:#3A4A5E;}
@media (max-width:1024px){.page-download__feature-grid{grid-template-columns:repeat(2,1fr);gap:16px;}.page-download__hero-actions{flex-direction:column;align-items:center;}.page-download__btn{width:100%;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word;}}
@media (max-width:768px){.page-download__hero-section{padding-top:0;}.page-download__hero-image{max-width:100%;aspect-ratio:2/1;border-radius:8px;}.page-download__hero-title{font-size:clamp(1.375rem,6vw,1.75rem);letter-spacing:0;}.page-download img{max-width:100%;height:auto;}.page-download__feature-grid{grid-template-columns:repeat(2,1fr);gap:12px;}.page-download__feature-card{padding:20px 14px;}.page-download__feature-title{font-size:1rem;}.page-download__feature-text{font-size:0.875rem;}.page-download__guide-figure img{width:100%;max-width:100%;height:auto;}.page-download__guide-title{font-size:1.15rem;}.page-download__guide-steps{gap:40px;}.page-download__btn{width:100%;box-sizing:border-box;font-size:0.9375rem;padding:12px 16px;}.page-download__hero-actions{width:100%;max-width:100%;overflow:hidden;box-sizing:border-box;}.page-download__cta-section{overflow:hidden;box-sizing:border-box;}.page-download__faq-question{font-size:0.9375rem;line-height:1.4;}}