.payment-help-page{--bg:#ffffff;--bg-card:#ffffff;--bg-elevated:#f9fafb;--border:#e5e7eb;--primary:#ef4444;--primary-light:#f87171;--primary-dark:#dc2626;--solution:#10b981;--solution-light:#34d399;--accent:#f59e0b;--text:#111111;--text-secondary:#6b7280;--text-tertiary:#9ca3af}:where(.payment-help-page) *{margin:0;padding:0;box-sizing:border-box}.payment-help-page{font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;background:#f9fafb;color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}:where(.payment-help-page) 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}:where(.payment-help-page) .nav-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}:where(.payment-help-page) .logo{font-size:20px;font-weight:800;color:var(--text);text-decoration:none}:where(.payment-help-page) .logo span{color:var(--solution)}:where(.payment-help-page) .nav-links{display:flex;gap:20px;align-items:center}:where(.payment-help-page) .nav-links a{color:var(--text-secondary);text-decoration:none;font-size:14px}:where(.payment-help-page) .nav-links a:hover{color:var(--solution)}:where(.payment-help-page) .nav-cta{background:var(--solution);color:#000!important;padding:8px 16px;border-radius:8px;font-weight:600}:where(.payment-help-page) .hero{padding:60px 24px 40px;background:linear-gradient(180deg,#f0fdf4,#ffffff);text-align:center}:where(.payment-help-page) .hero-inner{max-width:800px;margin:0 auto}:where(.payment-help-page) .hero .alert-badge{display:inline-block;background:rgba(239,68,68,.15);color:var(--primary-light);border:1px solid var(--primary);padding:6px 14px;border-radius:999px;font-size:12px;font-weight:700;margin-bottom:20px}:where(.payment-help-page) .hero h1{font-size:42px;font-weight:800;line-height:1.2;margin-bottom:16px}:where(.payment-help-page) .hero h1 .red{color:var(--primary-light)}:where(.payment-help-page) .hero h1 .green{color:var(--solution-light)}:where(.payment-help-page) .hero p{font-size:17px;color:var(--text-secondary);margin-bottom:24px}:where(.payment-help-page) .hero-cta{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--solution),#059669);color:#fff;padding:14px 32px;border-radius:10px;text-decoration:none;font-weight:700;font-size:16px;box-shadow:0 8px 24px rgba(0,168,107,.25)}@media (max-width:768px){:where(.payment-help-page) .hero h1{font-size:28px}}:where(.payment-help-page) section{padding:60px 24px}:where(.payment-help-page) .section-inner{max-width:1000px;margin:0 auto}:where(.payment-help-page) .section-title{font-size:30px;font-weight:800;text-align:center;margin-bottom:12px}:where(.payment-help-page) .section-subtitle{text-align:center;color:var(--text-secondary);font-size:15px;margin-bottom:40px}:where(.payment-help-page) .problem-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:0;margin-bottom:24px;overflow:hidden}:where(.payment-help-page) .problem-header{background:linear-gradient(90deg,rgba(239,68,68,.12),transparent);padding:20px 28px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px}:where(.payment-help-page) .problem-icon{width:44px;height:44px;background:rgba(239,68,68,.15);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--primary-light);font-size:22px;flex-shrink:0}:where(.payment-help-page) .problem-title{font-size:17px;font-weight:700;color:var(--text);margin-bottom:2px}:where(.payment-help-page) .problem-meta{font-size:12px;color:var(--text-tertiary)}:where(.payment-help-page) .problem-body{padding:24px 28px}:where(.payment-help-page) .problem-cause{color:var(--text-secondary);font-size:14px;margin-bottom:16px}:where(.payment-help-page) .problem-cause strong{color:var(--primary-light)}:where(.payment-help-page) .solution-box{background:rgba(0,168,107,.05);border-left:3px solid var(--solution);border-radius:6px;padding:14px 18px;margin-bottom:16px}:where(.payment-help-page) .solution-label{font-size:11px;color:var(--solution-light);font-weight:700;margin-bottom:6px;letter-spacing:1px}:where(.payment-help-page) .solution-text{color:var(--text);font-size:14px;line-height:1.7}:where(.payment-help-page) .solution-text strong{color:var(--solution-light)}:where(.payment-help-page) .problem-cta{display:inline-flex;align-items:center;gap:6px;background:var(--solution);color:#000;padding:10px 20px;border-radius:8px;text-decoration:none;font-weight:700;font-size:14px;transition:all .2s}:where(.payment-help-page) .problem-cta:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,168,107,.25)}:where(.payment-help-page) .center-cta{background:linear-gradient(135deg,rgba(0,168,107,.08),rgba(52,211,153,.05));border:1px solid var(--solution);border-radius:20px;padding:40px 32px;text-align:center;margin:40px auto;max-width:800px}:where(.payment-help-page) .center-cta h2{font-size:26px;font-weight:800;margin-bottom:12px}:where(.payment-help-page) .center-cta p{color:var(--text-secondary);margin-bottom:24px;font-size:15px}:where(.payment-help-page) .center-cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}:where(.payment-help-page) .pkg-btn{background:var(--bg-card);border:1px solid var(--border);color:var(--text);padding:14px 24px;border-radius:10px;text-decoration:none;font-weight:600;font-size:14px;transition:all .2s;display:flex;align-items:center;gap:8px}:where(.payment-help-page) .pkg-btn:hover{border-color:var(--solution)}:where(.payment-help-page) .pkg-btn .price{color:var(--solution-light);font-weight:800}:where(.payment-help-page) .compare-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;overflow:hidden;margin-top:32px}:where(.payment-help-page) .compare-table{width:100%;border-collapse:collapse;font-size:13px}:where(.payment-help-page) .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)}:where(.payment-help-page) .compare-table th.bad{color:var(--primary-light)}:where(.payment-help-page) .compare-table th.good{color:var(--solution-light)}:where(.payment-help-page) .compare-table td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--text);font-size:13px}:where(.payment-help-page) .compare-table td.label{color:var(--text-secondary);font-weight:500}:where(.payment-help-page) .compare-table td.bad{color:var(--primary-light)}:where(.payment-help-page) .compare-table td.good{color:var(--solution-light);font-weight:600}:where(.payment-help-page) .seo-content{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:36px;color:var(--text-secondary);font-size:14px;line-height:1.85}:where(.payment-help-page) .seo-content h3{color:var(--text);font-size:18px;font-weight:700;margin:24px 0 12px}:where(.payment-help-page) .seo-content h3:first-child{margin-top:0}:where(.payment-help-page) .seo-content p{margin-bottom:12px}:where(.payment-help-page) .seo-content strong{color:var(--text)}:where(.payment-help-page) .seo-content a{color:var(--solution-light)}:where(.payment-help-page) footer{background:#f9fafb;border-top:1px solid var(--border);padding:32px 24px 20px;text-align:center;color:var(--text-tertiary);font-size:12px}:where(.payment-help-page) footer a{color:var(--text-secondary);text-decoration:none;margin:0 8px}:where(.payment-help-page) footer a:hover{color:var(--solution)}:where(.payment-help-page) .hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;margin-right:-8px}:where(.payment-help-page) .hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .25s}:where(.payment-help-page) .hamburger span+span{margin-top:5px}:where(.payment-help-page) .hamburger.open span:first-child{transform:translateY(7px) rotate(45deg)}:where(.payment-help-page) .hamburger.open span:nth-child(2){opacity:0}:where(.payment-help-page) .hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media (max-width:768px){:where(.payment-help-page) .hamburger{display:block}:where(.payment-help-page) .nav-links{position:fixed;top:60px;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:16px 24px;gap:0!important;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s}:where(.payment-help-page) .nav-links.open{max-height:400px;padding:16px 24px}:where(.payment-help-page) .nav-links a{display:block!important;padding:14px 0;border-bottom:1px solid var(--border);font-size:15px}:where(.payment-help-page) .nav-links a:last-child{border-bottom:none;margin-top:8px}:where(.payment-help-page) .nav-cta{text-align:center;padding:12px!important;border:none!important}}:where(.payment-help-page) .breadcrumb-nav{max-width:1100px;margin:0 auto;padding:14px 24px 0;font-size:13px;color:#9ca3af}:where(.payment-help-page) .breadcrumb-nav a{color:#6b7280;text-decoration:none;transition:color .2s}:where(.payment-help-page) .breadcrumb-nav a:hover{color:var(--primary)}:where(.payment-help-page) .breadcrumb-nav .sep{margin:0 8px;color:#d1d5db}:where(.payment-help-page) .breadcrumb-nav span[aria-current=page]{color:#111;font-weight:500}