:root{--support-bg: #f8fafc;--support-surface: #ffffff;--support-text: #0f172a;--support-muted: #64748b;--support-border: #e2e8f0;--support-primary: #2563eb;--support-primary-hover: #1d4ed8;--support-header-bg: #0f172a;--support-header-text: #f1f5f9;--support-max: 920px;--font-sans: "PingFang SC", "Helvetica Neue", system-ui, -apple-system, sans-serif}*,*:before,*:after{box-sizing:border-box}html,body,#app{margin:0;min-height:100%}body{font-family:var(--font-sans);color:var(--support-text);background:var(--support-bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--support-primary);text-decoration:none}a:hover{text-decoration:underline}.support-shell{min-height:100vh;display:flex;flex-direction:column}.support-header{background:var(--support-header-bg);color:var(--support-header-text);position:sticky;top:0;z-index:100;box-shadow:0 1px #ffffff0f}.support-header-inner{max-width:1100px;margin:0 auto;padding:0 20px;height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px}.support-brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-weight:600;font-size:15px}.support-brand:hover{text-decoration:none;opacity:.92}.support-brand-img{width:40px;height:40px;border-radius:10px;object-fit:cover;flex-shrink:0}.support-brand-svg{display:inline-flex;align-items:center;justify-content:center;color:#0f172a}.support-brand-plate{background:#fff;box-shadow:0 1px 2px #0f172a14}.support-brand-plate svg{display:block;width:88%;height:88%}.support-brand-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#3b82f6,#6366f1);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0}.support-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.support-nav a{color:#94a3b8;font-size:13px;padding:6px 10px;border-radius:6px;text-decoration:none;transition:color .15s,background .15s}.support-nav a:hover{color:#fff;background:#ffffff14;text-decoration:none}.support-nav a.is-active{color:#fff;background:#2563eb59}.support-header-actions{display:flex;align-items:center;gap:8px}.lang-switch{display:flex;border:1px solid rgb(255 255 255 / 15%);border-radius:8px;overflow:hidden}.lang-switch button{border:none;background:transparent;color:#94a3b8;font-size:12px;padding:5px 10px;cursor:pointer;font-family:inherit}.lang-switch button.is-active{background:#ffffff1f;color:#fff}.menu-toggle{display:none;border:1px solid rgb(255 255 255 / 20%);background:transparent;color:#fff;border-radius:6px;padding:6px 10px;cursor:pointer;font-size:13px}.support-main{flex:1;max-width:var(--support-max);width:100%;margin:0 auto;padding:32px 20px 48px}.support-footer{border-top:1px solid var(--support-border);background:var(--support-surface);padding:24px 20px;font-size:13px;color:var(--support-muted)}.support-footer-inner{max-width:var(--support-max);margin:0 auto}.support-footer-links{display:flex;flex-wrap:wrap;gap:12px 20px;margin-bottom:12px}.support-footer-links a{color:var(--support-muted)}.support-footer-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 0;line-height:1.5}.support-footer-meta-item{display:inline-flex;align-items:center}.support-footer-meta-item:not(:last-child):after{content:"|";margin:0 12px;color:color-mix(in srgb,var(--support-muted) 45%,transparent)}.support-footer-meta a{color:var(--support-muted);text-decoration:underline;text-underline-offset:2px}.support-footer-meta a:hover{color:var(--support-text)}.page-title{margin:0 0 8px;font-size:1.75rem;font-weight:700;letter-spacing:-.02em}.page-lead{margin:0 0 28px;color:var(--support-muted);font-size:1.05rem}.card{background:var(--support-surface);border:1px solid var(--support-border);border-radius:12px;padding:24px;margin-bottom:16px;box-shadow:0 1px 2px #0f172a0a}.card h2{margin:0 0 12px;font-size:1.1rem}.card h3{margin:20px 0 8px;font-size:1rem}.legal-draft{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:10px;padding:12px 16px;font-size:14px;margin-bottom:20px}.legal-body{font-size:15px;color:#334155}.legal-body p{margin:0 0 14px}.legal-body ul{margin:0 0 14px;padding-left:1.25rem}.legal-body li{margin-bottom:6px}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:24px 0}.feature-item{background:var(--support-surface);border:1px solid var(--support-border);border-radius:12px;padding:20px}.feature-item h3{margin:0 0 8px;font-size:1rem}.feature-item p{margin:0;font-size:14px;color:var(--support-muted)}.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:500;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit}.btn-primary{background:var(--support-primary);color:#fff}.btn-primary:hover{background:var(--support-primary-hover);text-decoration:none}.btn-outline{background:var(--support-surface);border-color:var(--support-border);color:var(--support-text)}.btn-outline:hover{border-color:#cbd5e1;text-decoration:none}.faq-item+.faq-item{border-top:1px solid var(--support-border);margin-top:16px;padding-top:16px}.faq-item h3{margin:0 0 8px;font-size:1rem}.faq-item p{margin:0;color:var(--support-muted);font-size:15px}ol.steps{margin:0;padding-left:1.25rem}ol.steps li{margin-bottom:10px}@media(max-width:768px){.menu-toggle{display:block}.support-nav{display:none;position:absolute;top:56px;left:0;right:0;background:var(--support-header-bg);padding:12px 16px 16px;flex-direction:column;align-items:stretch;border-bottom:1px solid rgb(255 255 255 / 8%)}.support-nav.is-open{display:flex}.support-nav a{padding:10px 12px}}.page-shell{display:flex;flex-direction:column;gap:20px}.page-banner{position:relative;overflow:hidden;border-radius:18px;padding:26px 24px;color:#f8fafc;background:radial-gradient(ellipse 70% 55% at 100% 0%,rgb(59 130 246 / 24%),transparent 55%),linear-gradient(145deg,#0f172a,#1e293b 58%,#0f172a);box-shadow:0 1px #ffffff14 inset,0 16px 40px #0f172a24}.page-banner:after{content:"";position:absolute;inset:auto -15% -70% 40%;height:180px;background:radial-gradient(circle,rgb(37 99 235 / 28%),transparent 70%);pointer-events:none}.page-banner-inner{position:relative}.page-banner-title{margin:0 0 8px;font-size:clamp(1.35rem,2.8vw,1.75rem);font-weight:700;letter-spacing:-.03em;line-height:1.25}.page-banner-lead{margin:0;max-width:58ch;font-size:.98rem;line-height:1.7;color:#cbd5e1e5}.page-panel{background:var(--support-surface);border:1px solid var(--support-border);border-radius:16px;padding:22px 20px;box-shadow:0 8px 28px #0f172a0d}.page-panel h2{margin:0 0 14px;font-size:1.05rem;font-weight:700;letter-spacing:-.02em}.page-panel h2:not(:first-child){margin-top:8px}.page-section-title{margin:4px 0 0;font-size:1.05rem;font-weight:700;letter-spacing:-.02em}.page-callout{border-radius:14px;padding:14px 16px;font-size:14px;line-height:1.65}.page-callout--info{color:#1e3a8a;background:linear-gradient(160deg,#eff6ff,#dbeafe);border:1px solid #bfdbfe}.page-callout--muted{color:#475569;background:#f8fafc;border:1px solid #e2e8f0}.page-callout p{margin:0}.page-steps{margin:0;padding:0;list-style:none;counter-reset:page-step}.page-steps li{position:relative;counter-increment:page-step;padding:0 0 16px 44px;font-size:15px;line-height:1.65;color:#334155}.page-steps li:last-child{padding-bottom:0}.page-steps li:before{content:counter(page-step);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;background:var(--support-primary);box-shadow:0 4px 12px color-mix(in srgb,var(--support-primary) 35%,transparent)}.page-faq-list{display:flex;flex-direction:column;gap:12px}.page-faq-item{border:1px solid var(--support-border);border-radius:14px;padding:16px 18px;background:linear-gradient(180deg,#fff,#f8fafc);transition:border-color .15s ease,box-shadow .15s ease}.page-faq-item:hover{border-color:color-mix(in srgb,var(--support-primary) 30%,var(--support-border));box-shadow:0 10px 24px #0f172a0f}.page-faq-item h3{margin:0 0 8px;font-size:.98rem;font-weight:600;line-height:1.45}.page-faq-item p{margin:0;font-size:14px;line-height:1.65;color:var(--support-muted)}.page-benefit-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}.page-benefit-list li{position:relative;padding-left:26px;font-size:14px;line-height:1.6;color:var(--support-muted)}.page-benefit-list li:before{content:"";position:absolute;left:0;top:.45em;width:8px;height:8px;border-radius:999px;background:var(--support-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--support-primary) 18%,transparent)}.page-contact-card{display:flex;flex-direction:column;gap:16px}.page-contact-email{display:flex;align-items:center;gap:14px;padding:18px;border-radius:14px;background:linear-gradient(160deg,#eff6ff,#f8fafc);border:1px solid #dbeafe}.page-contact-email-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff;background:var(--support-primary)}.page-contact-email-icon svg{width:22px;height:22px}.page-contact-email a{font-size:1.05rem;font-weight:600;text-decoration:none}.page-contact-email a:hover{text-decoration:underline}.page-contact-meta{margin:0;font-size:14px;line-height:1.65;color:var(--support-muted)}.page-platform-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.page-platform-card{display:flex;flex-direction:column;gap:14px;padding:18px;border-radius:16px;border:1px solid var(--support-border);background:var(--support-surface);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.page-platform-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--support-primary) 35%,var(--support-border));box-shadow:0 14px 32px #0f172a14}.page-platform-card--afdian{background:linear-gradient(160deg,#fff7ed,#ffedd5)}.page-platform-card--kofi{background:linear-gradient(160deg,#fdf4ff,#fae8ff)}.page-platform-card h3{margin:0;font-size:1rem;font-weight:600}.page-platform-card p{margin:0;font-size:14px;line-height:1.6;color:var(--support-muted);flex:1}.page-platform-hint{font-size:13px!important;color:#64748b!important}.page-platform-card .btn{align-self:flex-start}.page-pill-links{display:flex;flex-wrap:wrap;gap:10px}.page-pill-link{display:inline-flex;align-items:center;padding:10px 16px;border-radius:999px;font-size:14px;font-weight:500;text-decoration:none;color:var(--support-text);background:var(--support-surface);border:1px solid var(--support-border);transition:border-color .15s ease,box-shadow .15s ease,color .15s ease}.page-pill-link:hover{text-decoration:none;border-color:color-mix(in srgb,var(--support-primary) 35%,var(--support-border));box-shadow:0 8px 20px #0f172a0f}.page-pill-link--primary{color:#fff;background:var(--support-primary);border-color:transparent}.page-pill-link--primary:hover{background:var(--support-primary-hover);color:#fff}@media(max-width:768px){.page-banner{padding:22px 18px}.page-platform-grid{grid-template-columns:1fr}}