*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#111827;line-height:1.65;background:#fff}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
a{color:#2563eb;text-decoration:none}
a:hover{text-decoration:underline}
/* header */
.header{background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-weight:700;color:#111827}
.logo-text{font-size:18px}
.logo-badge{font-size:11px;background:#f3f4f6;color:#4b5563;padding:2px 8px;border-radius:4px;font-weight:500;margin-left:4px}
.nav{display:flex;align-items:center;gap:8px}
.nav a{color:#4b5563;font-weight:500;padding:6px 13px;font-size:14px;text-decoration:none}
.nav-btn{background:#2563eb;color:#fff!important;font-weight:600!important;padding:8px 18px!important;border-radius:6px}
/* banner */
.upgrade-banner{background:#0f172a;color:#38bdf8;text-align:center;font-size:13px;padding:8px;font-weight:600}
/* hero */
.hero{padding:56px 0;text-align:center;background:linear-gradient(180deg,#f8fafc,#fff)}
.hero h1{font-size:38px;margin-bottom:16px;line-height:1.2;font-weight:800}
.lead{font-size:18px;color:#475569;max-width:800px;margin:0 auto 24px}
.hero-img,.step-img{width:100%;max-width:760px;border-radius:12px;border:1px solid #e5e7eb;margin:28px auto 0;display:block}
/* cta */
.download-cta-container{display:flex;flex-direction:column;align-items:center;margin:28px 0}
.btn-primary{background:#2563eb;color:#fff;font-weight:600;padding:14px 32px;border-radius:8px;text-decoration:none;font-size:16px;transition:.15s}
.btn-primary:hover{background:#1d4ed8}
.trust-badge-group{display:flex;gap:12px;margin-top:10px;font-size:12px;color:#64748b;flex-wrap:wrap;justify-content:center}
/* categories */
.categories{padding:48px 0}
.categories h2{text-align:center;margin-bottom:28px;font-size:26px}
.cat-grid,.spoke-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.cat-card,.spoke-link{display:block;padding:22px;border:1px solid #e5e7eb;border-radius:10px;text-decoration:none;color:#111827;transition:.15s}
.cat-card:hover,.spoke-link:hover{border-color:#2563eb;box-shadow:0 4px 12px rgba(37,99,235,.1)}
.cat-card h3,.spoke-link h3{font-size:17px;margin-bottom:8px;color:#1e293b}
.cat-card p,.spoke-link p{font-size:14px;color:#64748b}
/* content */
.content{padding:56px 24px 80px}
.spoke-header{text-align:center;margin-bottom:48px}
.spoke-header h1{font-size:38px;font-weight:800;line-height:1.25;margin-bottom:16px;color:#0f172a}
.section-block{margin-bottom:64px}
.section-intro{font-size:18px;color:#334155;line-height:1.75;margin-bottom:28px}
.section-intro-text{font-size:16px;color:#475569;margin-bottom:24px;line-height:1.6}

/* 响应式两栏交错网格 (Two-Column Responsive Grid) */
.two-col-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center;margin-bottom:40px}
.grid-text-col{display:flex;flex-direction:column;gap:16px}
.grid-img-col{display:flex;justify-content:center;align-items:center}
.grid-img{width:100%;max-width:480px;height:auto;border-radius:12px;border:1px solid #e2e8f0;box-shadow:0 10px 15px -3px rgba(0,0,0,0.05),0 4px 6px -4px rgba(0,0,0,0.05)}

.general-guide-section ul{margin-left:20px;margin-top:12px;display:flex;flex-direction:column;gap:10px}
.general-guide-section li{line-height:1.6;color:#334155}

.content h2{font-size:28px;margin-bottom:20px;color:#0f172a;font-weight:700}
.content h3{font-size:19px;margin:24px 0 12px;color:#1e293b;font-weight:600}
.breadcrumb{max-width:1100px;margin:24px auto 0;padding:0 24px;font-size:13px;color:#64748b}
.breadcrumb a{text-decoration:none}.breadcrumb .sep{margin:0 6px;color:#cbd5e1}

/* 步骤卡片流 (Step Cards Style) */
.step-card-list{display:flex;flex-direction:column;gap:18px}
.step-card{display:flex;gap:20px;background:#f8fafc;padding:22px;border-radius:10px;border-left:4px solid #2563eb;box-shadow:0 2px 4px rgba(0,0,0,0.02);transition:transform 0.15s,box-shadow 0.15s}
.step-card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.04)}
.step-card-num{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:#2563eb;color:#fff;border-radius:50%;font-weight:700;font-size:14px;flex-shrink:0}
.step-card-content h3{margin:0 0 6px 0;font-size:16px;color:#1e293b}
.step-card-content p{margin:0;font-size:14px;color:#475569;line-height:1.55}

/* 优势卡片网格 (Benefit Cards Style) */
.benefit-card-list{display:grid;grid-template-columns:1fr;gap:16px}
.benefit-card{display:flex;gap:16px;background:#fff;padding:20px;border-radius:10px;border:1px solid #f1f5f9;box-shadow:0 1px 3px rgba(0,0,0,0.01)}
.benefit-card-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:#dcfce7;color:#15803d;border-radius:50%;font-size:12px;font-weight:bold;flex-shrink:0}
.benefit-card-text h3{margin:0 0 4px 0;font-size:16px;color:#1e293b}
.benefit-card-text p{margin:0;font-size:14px;color:#475569;line-height:1.5}

/* 引入高对比、彩色标识的精美对比矩阵表格 (Comparison Matrix Table) */
.comparison-section{background:#f8fafc;padding:48px;border-radius:14px;border:1px solid #e2e8f0}
.comparison-matrix-wrapper{overflow-x:auto;margin-top:24px;border-radius:10px;border:1px solid #e2e8f0;box-shadow:0 4px 6px -1px rgba(0,0,0,0.02)}
.comparison-matrix{width:100%;border-collapse:collapse;background:#fff;text-align:left;font-size:14px}
.comparison-matrix th, .comparison-matrix td{padding:16px 20px;border-bottom:1px solid #f1f5f9}
.comparison-matrix thead th{background:#0f172a;color:#fff;font-weight:600;font-size:15px}
.comparison-matrix tbody tr:hover{background:#f8fafc}
.comparison-matrix tbody td:first-child{font-weight:600;color:#1e293b;background:#f8fafc;width:250px}
.col-online, .col-adobe{width:220px}
.col-agile{background:#eff6ff;color:#1e40af;font-weight:700;width:220px}
.online-fail{background:#fef2f2;color:#991b1b;font-weight:500}
.adobe-fail{background:#fef2f2;color:#991b1b;font-weight:500}
.adobe-partial{background:#fffbeb;color:#92400e;font-weight:500}
.agile-pass{background:#f0fdf4;color:#166534;font-weight:700}

/* FAQ Accordion 美化 */
.faq-guide .faq{display:flex;flex-direction:column;gap:14px}
.faq details{border:1px solid #e2e8f0;border-radius:10px;padding:16px 20px;background:#fff;transition:border-color 0.15s,box-shadow 0.15s}
.faq details:hover{border-color:#3b82f6;box-shadow:0 4px 12px rgba(37,99,235,0.03)}
.faq summary{font-weight:600;cursor:pointer;color:#1e293b;outline:none;user-select:none;font-size:15px}
.faq details p{margin-top:10px;color:#475569;font-size:14px;line-height:1.6;border-top:1px solid #f1f5f9;padding-top:10px}

.legal h2{font-size:19px;margin-top:24px}
.legal p{margin-bottom:12px}

/* 底部痛点直击海报 */
.conversion-poster{background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;padding:48px;border-radius:14px;margin:56px 0 24px;box-shadow:0 20px 25px -5px rgba(0,0,0,0.25);border:1px solid #334155}
.conversion-poster h2{color:#38bdf8!important;font-size:28px!important;margin-top:0!important;margin-bottom:12px!important;font-weight:800!important;border:none!important;padding:0!important}
.poster-badge{display:inline-block;background:#2563eb;color:#fff;font-size:11px;font-weight:700;padding:4px 12px;border-radius:6px;text-transform:uppercase;margin-bottom:18px;letter-spacing:0.5px}
.poster-lead{font-size:16px;color:#94a3b8;margin-bottom:28px}
.poster-features{display:flex;flex-direction:column;gap:14px;margin-bottom:36px}
.feature-item{font-size:14px;color:#cbd5e1;line-height:1.5}
.feature-item strong{color:#fff}
.poster-action{display:flex;flex-direction:column;align-items:center;gap:12px}
.btn-poster{display:inline-block;background:#2563eb;color:#fff;font-weight:700;padding:14px 40px;border-radius:8px;font-size:16px;transition:background .15s}
.btn-poster:hover{background:#1d4ed8;text-decoration:none}
.conversion-poster .trust-badge-group span{color:#94a3b8}
/* footer */
.footer{background:#111827;color:#d1d5db;padding:48px 0 24px;font-size:14px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px;margin-bottom:40px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul{list-style:none}.footer-col li{margin-bottom:8px}
.footer-col a{color:#9ca3af;text-decoration:none}.footer-col a:hover{color:#fff}
.footer-col a.footer-hub{color:#e2e8f0;font-weight:600}
.footer-bottom{border-top:1px solid #374151;padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;color:#6b7280;font-size:12px}
.footer-policies{display:flex;gap:24px}.footer-policies a{color:#6b7280;text-decoration:none}
/* gdpr */
#gdpr-cookie-banner{display:none;position:fixed;bottom:20px;left:20px;right:20px;max-width:450px;background:#1e293b;color:#fff;padding:16px;border-radius:8px;box-shadow:0 10px 15px -3px rgba(0,0,0,.3);z-index:9999;font-size:13px}
#gdpr-cookie-banner a{color:#38bdf8}
.gdpr-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}
#cookie-decline{background:transparent;border:1px solid #64748b;color:#94a3b8;padding:6px 12px;border-radius:4px;cursor:pointer}
#cookie-accept{background:#2563eb;border:none;color:#fff;padding:6px 12px;border-radius:4px;cursor:pointer;font-weight:600}

@media(max-width:768px){
  .two-col-grid{grid-template-columns:1fr;gap:32px}
  .reverse-mobile{display:flex;flex-direction:column-reverse}
  .comparison-section{padding:24px 16px}
}
@media(max-width:640px){.hero h1{font-size:28px}.spoke-header h1{font-size:26px}.nav a:not(.nav-btn){display:none}.conversion-poster{padding:24px}}

/* 主页专属升级与内链直链网格样式 */
.home-announcement{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:24px 32px;margin:40px 0;display:flex;align-items:center;gap:20px;text-align:left}
.home-announcement-icon{font-size:24px;background:#eff6ff;color:#2563eb;width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:50%;flex-shrink:0}
.home-announcement-text h3{font-size:16px;color:#0f172a;margin-bottom:4px;font-weight:700}
.home-announcement-text p{font-size:14px;color:#475569;line-height:1.5;margin:0}

.home-section-title{text-align:center;margin-bottom:48px}
.home-section-title h2{font-size:32px;font-weight:800;color:#0f172a;margin-bottom:12px}
.home-section-title p{font-size:18px;color:#64748b;max-width:700px;margin:0 auto}

.home-benefit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-bottom:48px;text-align:left}
.home-benefit-card{background:#fff;padding:32px;border-radius:12px;border:1px solid #e2e8f0;box-shadow:0 4px 6px -1px rgba(0,0,0,0.02)}
.home-benefit-card-icon{font-size:20px;background:#dcfce7;color:#15803d;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;margin-bottom:18px}
.home-benefit-card h3{font-size:18px;font-weight:700;color:#0f172a;margin-bottom:10px}
.home-benefit-card p{font-size:14px;color:#475569;line-height:1.6;margin:0}

/* SEO直链全景大网格 */
.homepage-directory-section{background:#f8fafc;padding:56px 32px;border-radius:14px;border:1px solid #e2e8f0;margin-bottom:64px;text-align:left}
.homepage-directory-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px}
.directory-col h3{font-size:15px;color:#0f172a;font-weight:700;margin-bottom:16px;border-bottom:2px solid #2563eb;padding-bottom:6px}
.directory-col ul{list-style:none;display:flex;flex-direction:column;gap:8px;padding:0}
.directory-col li{margin:0;list-style:none}
.directory-col a{color:#475569;font-size:13px;transition:color 0.15s;text-decoration:none}
.directory-col a:hover{color:#2563eb;text-decoration:underline}