:root{--primary: #07c160;--primary-dark: #06a854;--ink: #1f2328;--ink-2: #4b525a;--ink-3: #8a8f99;--bg: #ffffff;--bg-alt: #f6f7f9;--card-border: #ebedf0;--radius: 16px;--shadow: 0 4px 15px rgba(31, 35, 40, .08);--shadow-lg: 0 12px 30px rgba(31, 35, 40, .12)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,sans-serif;color:var(--ink);background-color:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;-webkit-tap-highlight-color:transparent}.container{max-width:1120px;margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:50;background-color:#ffffffe6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--card-border)}.nav{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);white-space:nowrap;flex-shrink:0}.brand-name{font-size:19px;font-weight:700}.brand-name em{font-style:normal;font-weight:400;color:var(--ink-3);font-size:15px}.nav-links{display:flex;align-items:center;gap:28px;list-style:none}.nav-links a{text-decoration:none;color:var(--ink-2);font-size:15px;transition:color .2s;white-space:nowrap}.nav-links a:hover{color:var(--primary)}.nav-cta{background-color:var(--primary);color:#fff!important;padding:8px 18px;border-radius:999px;font-weight:600}.nav-cta:hover{background-color:var(--primary-dark)}.hero{background:radial-gradient(ellipse 60% 50% at 80% 10%,rgba(7,193,96,.12),transparent),radial-gradient(ellipse 50% 40% at 10% 90%,rgba(7,193,96,.08),transparent),var(--bg);padding:88px 0 96px;overflow:hidden}.hero-inner{display:flex;align-items:center;gap:64px}.hero-copy{flex:1.2;min-width:0}.hero-badge{display:inline-block;font-size:14px;color:var(--primary);background-color:#07c1601a;border:1px solid rgba(7,193,96,.25);border-radius:999px;padding:4px 14px;margin-bottom:24px}.hero h1{font-size:clamp(32px,4.5vw + 14px,52px);line-height:1.25;letter-spacing:1px;margin-bottom:20px}.hero-sub{font-size:17px;color:var(--ink-2);max-width:480px;margin-bottom:32px}.hero-sub code{background-color:var(--bg-alt);border-radius:6px;padding:2px 8px;font-size:15px;color:var(--primary-dark)}.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px}.btn{display:inline-block;text-decoration:none;font-size:16px;font-weight:600;padding:13px 30px;border-radius:999px;transition:transform .15s,box-shadow .15s,background-color .2s}.btn:active{transform:scale(.97)}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 8px 20px #07c16059}.btn-primary:hover{background-color:var(--primary-dark)}.btn-ghost{color:var(--ink);border:1px solid var(--card-border);background-color:#fff}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}.hero-points{display:flex;gap:24px;flex-wrap:wrap;list-style:none;font-size:14px;color:var(--ink-3)}.hero-phone{flex:1;display:flex;justify-content:center;min-width:0}.phone-frame{width:300px;background-color:#fff;border-radius:36px;border:10px solid #20242a;box-shadow:var(--shadow-lg);overflow:hidden;transform:rotate(2deg)}.phone-bar{display:flex;align-items:center;gap:8px;background-color:var(--bg-alt);padding:12px 16px;border-bottom:1px solid var(--card-border)}.phone-dot{width:10px;height:10px;border-radius:50%;background-color:var(--primary)}.phone-title{font-size:13px;color:var(--ink-2);font-weight:600}.phone-body{padding:20px 18px 28px;font-size:13px}.md-h1{font-size:20px;font-weight:700;margin-bottom:4px}.md-meta{font-size:11px;color:var(--ink-3);margin-bottom:14px}.md-h2{font-size:15px;font-weight:700;margin:12px 0 4px;padding-left:8px;border-left:3px solid var(--primary)}.md-text{color:var(--ink-2)}.md-li{color:var(--ink-2);padding-left:16px;position:relative}.md-li:before{content:"•";position:absolute;left:4px;color:var(--primary)}.md-quote{margin-top:14px;padding:10px 12px;background-color:var(--bg-alt);border-left:3px solid var(--primary);border-radius:0 8px 8px 0;color:var(--ink-2)}.md-comment{margin-top:12px;font-size:11px;color:var(--primary);font-weight:600}.section{padding:88px 0}.section-alt{background-color:var(--bg-alt)}.section-title{font-size:clamp(26px,3vw + 10px,34px);text-align:center;margin-bottom:10px}.section-sub{text-align:center;color:var(--ink-3);font-size:16px;margin-bottom:52px}.grid{display:grid;gap:24px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-5{grid-template-columns:repeat(5,1fr)}.card{background-color:#fff;border:1px solid var(--card-border);border-radius:var(--radius);padding:32px 28px;transition:transform .2s,box-shadow .2s}.section:not(.section-alt) .card{background-color:var(--bg-alt)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card-icon{font-size:34px;margin-bottom:16px}.card h3{font-size:19px;margin-bottom:8px}.card p{font-size:14.5px;color:var(--ink-2)}.acl-card{background-color:#fff;border:1px solid var(--card-border);border-radius:var(--radius);padding:28px 20px;text-align:center}.acl-card h3{font-size:17px;margin-bottom:8px}.acl-card p{font-size:13.5px;color:var(--ink-2)}.acl-hot{border-color:var(--primary);box-shadow:0 8px 24px 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0}.footer-inner{text-align:center}.footer-brand{color:#fff;font-size:17px;font-weight:600;margin-bottom:16px}.footer-links{display:flex;justify-content:center;gap:28px;list-style:none;margin-bottom:16px}.footer-links a{color:#aab0b8;text-decoration:none;font-size:14px}.footer-links a:hover{color:var(--primary)}.footer-copy{font-size:13px;color:#6b7178;padding-bottom:env(safe-area-inset-bottom)}@media (max-width: 1024px){.grid-5{grid-template-columns:repeat(3,1fr)}.hero{padding:64px 0 72px}.hero-inner{gap:40px}}@media (max-width: 960px){.grid-3{grid-template-columns:repeat(2,1fr)}.hero-inner{flex-direction:column;text-align:center;gap:48px}.hero-sub{margin-left:auto;margin-right:auto}.hero-actions,.hero-points{justify-content:center}}@media (max-width: 720px){.grid-3,.grid-5,.steps{grid-template-columns:1fr}.container{padding:0 20px}.nav-links{gap:16px;font-size:14px}.nav-links li:not(:last-child){display:none}.nav-cta{padding:7px 16px;font-size:14px}.hero{padding:56px 0 64px}.hero-actions .btn{padding:14px 26px}.section{padding:52px 0}.section-sub{margin-bottom:36px}.phone-frame{transform:none}.qr-placeholder,.mail-icon{width:160px;height:160px}.mail-icon{line-height:160px}}@media (max-width: 480px){.brand-name em{display:none}.brand-name{font-size:17px}}@media (max-width: 360px){.phone-frame{width:260px}}.guide-main{padding:40px 0 80px}.article{max-width:760px;margin:0 auto}.breadcrumb{font-size:14px;color:var(--ink-3);margin-bottom:28px}.breadcrumb a{color:var(--ink-3);text-decoration:none}.breadcrumb a:hover{color:var(--primary)}.breadcrumb span:before{content:"›";margin:0 8px;color:var(--card-border)}.article h1{font-size:clamp(26px,3.5vw + 12px,36px);line-height:1.4;margin-bottom:16px}.article-lead{font-size:17px;color:var(--ink-2);margin-bottom:36px;padding-bottom:28px;border-bottom:1px solid var(--card-border)}.article h2{font-size:24px;margin:44px 0 14px;padding-left:12px;border-left:4px solid var(--primary);line-height:1.4}.article h3{font-size:18px;margin:28px 0 8px}.article p{font-size:15.5px;color:var(--ink-2);margin-bottom:14px}.article ul,.article ol{font-size:15.5px;color:var(--ink-2);padding-left:24px;margin-bottom:14px}.article li{margin-bottom:8px}.article strong{color:var(--ink)}.article code{background-color:var(--bg-alt);border-radius:6px;padding:2px 8px;font-size:14px;color:var(--primary-dark)}.howto-step{display:flex;gap:16px;background-color:var(--bg-alt);border-radius:var(--radius);padding:20px 22px;margin-bottom:14px}.howto-step-num{flex-shrink:0;width:36px;height:36px;border-radius:50%;background-color:var(--primary);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}.howto-step-body p{margin-bottom:0}.howto-step-body strong{display:block;margin-bottom:4px}.compare-table{width:100%;border-collapse:collapse;font-size:14.5px;margin:16px 0 20px;display:block;overflow-x:auto}.compare-table th,.compare-table td{border:1px solid var(--card-border);padding:12px 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28px;transition:transform .2s,box-shadow .2s}.guide-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.guide-item h2{border:none;padding:0;margin:0 0 8px;font-size:18px;color:var(--ink)}.guide-item p{font-size:14px;color:var(--ink-2);margin:0}@media (max-width: 720px){.guide-list{grid-template-columns:1fr}.guide-main{padding:28px 0 60px}.howto-step{padding:16px 18px}}