:root{--bg:#ffffff;--bg-card:#ffffff;--bg-elevated:#f9fafb;--border:#e5e7eb;--primary:#4f46e5;--primary-light:#6366f1;--primary-dark:#4338ca;--accent:#f59e0b;--text:#111111;--text-secondary:#6b7280;--text-tertiary:#9ca3af;--success:#10b981;--new-tag:#00a86b}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;background:#f9fafb;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}.top-banner{background:linear-gradient(90deg,#047857,#00a86b 55%,#0d9488);color:#fff;text-align:center;padding:9px 16px;font-size:13px;font-weight:600;line-height:1.6}.top-banner .tb-tag{display:inline-block;background:#fff;color:#047857;font-size:11px;font-weight:800;letter-spacing:.5px;padding:1px 8px;border-radius:999px;margin-right:8px;vertical-align:1px}.top-banner .tb-sep{opacity:.55;margin:0 6px}.top-banner a.tb-link{color:#fff;text-decoration:underline;text-underline-offset:3px;margin-left:8px;white-space:nowrap}.top-banner a.tb-link:hover{opacity:.85}@media (max-width:640px){.top-banner{font-size:12px;padding:8px 12px}.top-banner .tb-sep{display:block;height:0;overflow:hidden}}nav{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:14px 24px}.nav-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo{gap:8px;font-size:20px;font-weight:800;color:var(--text);text-decoration:none}.logo,.logo-icon{display:inline-flex;align-items:center}.logo-icon{justify-content:center;width:28px;height:28px;border-radius:6px;background:linear-gradient(135deg,#1f2937,#000000);color:#fff;font-weight:900;font-size:13px;position:relative;flex-shrink:0}.logo-icon:after{content:"";position:absolute;top:3px;right:3px;width:4px;height:4px;border-radius:50%;background:#00a86b}.logo-text-pro{background:linear-gradient(135deg,#b8860b,#d4af37);-webkit-background-clip:text;background-clip:text;color:transparent}.nav-links{display:flex;gap:24px;align-items:center}.nav-links a{color:var(--text-secondary);text-decoration:none;font-size:14px;transition:color .2s}.nav-links a:hover{color:var(--primary)}.nav-cta{background:var(--primary);color:#000!important;padding:8px 16px;border-radius:8px;font-weight:600}.hero{padding:70px 24px 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.currency{font-size:28px;vertical-align:top}.price-meta{text-align:left;color:var(--text-secondary);font-size:14px}.price-meta .original{text-decoration:line-through;color:var(--text-tertiary)}.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}.btn-primary{background:var(--primary);color:#000;border:none;padding:14px 32px;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:all .2s}.btn-primary:hover{background:var(--primary-light);transform:translateY(-1px);box-shadow:0 8px 24px rgba(79,70,229,.3)}.btn-secondary{background:var(--bg-card);color:var(--text);border:1px solid var(--border);padding:14px 32px;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:all .2s}.btn-secondary:hover{border-color:var(--primary)}.trust-badges{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;color:var(--text-secondary);font-size:13px}.trust-badges .item{display:flex;align-items:center;gap:6px}.check-icon{width:16px;height:16px;background:var(--success);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#000;font-size:10px;font-weight:800}@media (max-width:768px){.hero{padding:28px 18px 42px}.hero h1{font-size:32px}.price-main{font-size:42px}}section{padding:60px 24px}.section-inner{max-width:1100px;margin:0 auto}.section-title{font-size:32px;font-weight:800;text-align:center;margin-bottom:12px;letter-spacing:-.02em}.section-subtitle{text-align:center;color:var(--text-secondary);font-size:16px;margin-bottom:48px;max-width:640px;margin-left:auto;margin-right:auto}.intro-content{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px;color:var(--text-secondary);font-size:15px;line-height:1.9}.intro-content p{margin-bottom:16px}.intro-content strong{color:var(--text);font-weight:600}.intro-content ul{list-style:none;padding-left:0;margin:16px 0}.intro-content li{padding:8px 0 8px 28px;position:relative}.intro-content li:before{content:"✓";position:absolute;left:0;top:8px;color:var(--primary);font-weight:800}.new-tag{display:inline-block;background:var(--new-tag);color:#fff;font-size:10px;padding:2px 6px;border-radius:3px;margin-left:6px;font-weight:700;vertical-align:middle}.intro-callout{background:rgba(79,70,229,.08);border-left:3px solid var(--primary);padding:12px 16px;border-radius:4px;margin-top:16px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:16px;gap:16px}.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;transition:all .2s;position:relative}.feature-card.new{background:linear-gradient(135deg,rgba(0,168,107,.06),rgba(79,70,229,.04));border-color:var(--new-tag)}.feature-card.new:before{content:"🔥 最新发布";position:absolute;top:12px;right:12px;background:var(--new-tag);color:#fff;padding:2px 8px;border-radius:4px;font-size:10px;font-weight:700}.feature-card:hover{border-color:var(--primary);transform:translateY(-2px)}.feature-icon{width:44px;height:44px;background:rgba(79,70,229,.1);border:1px solid rgba(79,70,229,.3);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px;margin-bottom:16px}.feature-card.new .feature-icon{background:rgba(0,168,107,.06);border-color:rgba(0,168,107,.06);color:var(--new-tag)}.feature-card h3{font-size:17px;font-weight:700;margin-bottom:8px}.feature-card p{color:var(--text-secondary);font-size:14px}.model-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:12px;gap:12px}.model-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:18px;text-align:center}.model-card .name{font-size:14px;font-weight:700;color:var(--primary-light);margin-bottom:4px}.model-card .role{font-size:12px;color:var(--text-tertiary);margin-bottom:8px}.model-card .desc{font-size:12px;color:var(--text-secondary);line-height:1.6}.compare-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;overflow:hidden;overflow-x:auto}.compare-table{width:100%;border-collapse:collapse;font-size:14px;min-width:700px}.compare-table th{background:var(--bg-elevated);padding:14px;text-align:left;color:var(--text-secondary);font-weight:600;border-bottom:1px solid var(--border)}.compare-table th.current{background:rgba(79,70,229,.15);color:var(--primary);position:relative}.compare-table th.current:after{content:"当前查看";position:absolute;top:4px;right:8px;font-size:10px;background:var(--primary);color:#000;padding:2px 6px;border-radius:3px}.compare-table td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--text);font-size:13px}.compare-table td.label{color:var(--text-secondary);font-weight:500}.compare-table td.dim{color:var(--text-tertiary)}.compare-table td.highlight{color:var(--primary-light);font-weight:600}.compare-table tr:last-child td{border-bottom:none}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px}.step-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;text-align:center}.step-num{width:40px;height:40px;background:var(--primary);color:#000;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;margin:0 auto 12px}.step-card h3{font-size:16px;font-weight:700;margin-bottom:6px}.step-card p{color:var(--text-secondary);font-size:13px}.reviews-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:16px;gap:16px}.review-card{background:var(--bg-card);padding:24px}.review-stars{color:var(--accent);margin-bottom:12px;font-size:14px}.review-text{color:var(--text);font-size:14px;line-height:1.7;margin-bottom:16px}.review-author{display:flex;align-items:center;gap:12px}.review-avatar{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#000;font-weight:700;font-size:14px}.review-author .name{font-size:13px;font-weight:600}.review-author .title{font-size:12px;color:var(--text-tertiary)}.faq-list{max-width:820px;margin:0 auto}.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;margin-bottom:8px;overflow:hidden}.faq-question{padding:18px 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strong{color:var(--text)}.bottom-cta{background:linear-gradient(135deg,rgba(79,70,229,.1),rgba(34,211,238,.05));border:1px solid var(--primary);border-radius:20px;padding:48px 32px;text-align:center;margin:40px auto;max-width:800px}.bottom-cta h2{font-size:28px;font-weight:800;margin-bottom:12px}.bottom-cta p{margin-bottom:24px}.bottom-cta p,footer{color:var(--text-secondary)}footer{background:#f9fafb;border-top:1px solid var(--border);padding:40px 24px 24px;font-size:13px}.footer-inner{max-width:1100px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;grid-gap:32px;gap:32px;margin:0 auto 32px}.footer-col .footer-heading{color:var(--text);font-size:14px;font-weight:700;margin-bottom:12px}.footer-col a{color:var(--text-secondary);text-decoration:none;display:block;padding:4px 0}.footer-col a:hover{color:var(--primary)}.footer-bottom{max-width:1100px;margin:0 auto;padding-top:24px;border-top:1px solid var(--border);text-align:center;font-size:12px;color:var(--text-tertiary)}@media (max-width:768px){.footer-inner{grid-template-columns:1fr 1fr}}.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;margin-right:-8px}.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .25s}.hamburger span+span{margin-top:5px}.hamburger.open span:first-child{transform:translateY(7px) rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media (max-width:768px){nav{padding:8px 16px}nav.breadcrumb-nav{padding:8px 18px 0}.hamburger{display:block;padding:6px}.nav-links{position:fixed;top:48px;left:0;right:0;flex-direction:column;background:rgba(255,255,255,.97);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:10px 20px;gap:0!important;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s}.nav-links.open{max-height:400px;padding:10px 20px}.nav-links a{display:block!important;padding:11px 0;border-bottom:1px solid var(--border);font-size:15px}.nav-links a:last-child{border-bottom:none;margin-top:8px}.nav-cta{text-align:center;padding:12px!important;border:none!important}}.breadcrumb-nav{max-width:1100px;margin:0 auto;padding:14px 24px 0;font-size:13px;color:#9ca3af}.breadcrumb-nav a{color:#6b7280;text-decoration:none;transition:color .2s}.breadcrumb-nav a:hover{color:var(--primary)}.breadcrumb-nav .sep{margin:0 8px;color:#d1d5db}.breadcrumb-nav span[aria-current=page]{color:#111;font-weight:500}.reviews-grid-v2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:16px;gap:16px;margin-top:24px}.review-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px;transition:all .2s;box-shadow:0 1px 3px rgba(0,0,0,.04)}.review-card:hover{transform:translateY(-2px);box-shadow:0 8px 16px rgba(0,0,0,.06)}.review-header{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}.review-avatar{width:44px;height:44px;border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex-shrink:0}.review-info{flex:1 1;min-width:0}.review-info .name{font-size:14px;font-weight:700;color:var(--text)}.review-info .title-line{font-size:12px;color:var(--text-secondary);margin:2px 0}.review-info .tag-line{margin-top:4px}.user-tag{display:inline-block;background:rgba(0,168,107,.08);color:var(--primary-dark);padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}.review-stars{color:#f59e0b;font-size:12px;letter-spacing:1px}.review-content{color:var(--text);font-size:13px;line-height:1.7;font-style:italic}.reviews-source-link{text-align:center;margin-top:20px;font-size:13px;color:var(--text-secondary)}.reviews-source-link a{color:var(--primary-dark);font-weight:600;text-decoration:none;border-bottom:1px solid var(--primary-light)}