:root{color-scheme:light;--accent:#10a37f;--accent-hover:#0f8f72;--accent-soft:rgb(16 163 127 / .12);--accent-border:rgb(16 163 127 / .32);--ink:#111827;--muted:#6b7280;--line:#e5e7eb}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f9fafb;font:16px/1.6 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}button,input,textarea{font:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hero-bg{background:linear-gradient(135deg,#e9f8f2 0%,#f7fffb 100%);padding:32px 24px 76px}.site-container{max-width:960px;margin:auto}.hero-content{display:flex;align-items:center;flex-direction:column;gap:22px;text-align:center;margin:0 auto 28px}.business-switch{display:flex;align-items:center;height:48px;padding:4px;border:1px solid var(--line);border-radius:999px;background:rgb(255 255 255 / .92);box-shadow:0 14px 35px -22px rgb(17 24 39 / .35)}.service-mode{display:block;min-width:108px;height:38px;padding:0 18px;border-radius:999px;font-size:15px;font-weight:600;line-height:38px}.service-mode.active{color:#fff;background:var(--accent)}.trust-badge{display:inline-flex;align-items:center;gap:10px;min-height:40px;padding:8px 24px;background:#fff;box-shadow:0 1px 3px #00000013;border-radius:999px;font-size:14px;color:#374151}.trust-badge>span{color:var(--accent);font-weight:700}h1{font-family:"Space Grotesk",Inter,"Microsoft YaHei",sans-serif;font-size:clamp(38px,6.8vw,72px);line-height:1.12;font-weight:600;letter-spacing:-.045em;margin:0}p{margin:0}.subtitle{font-size:22px;color:#4b5563;max-width:720px}.hero-action{display:inline-flex;gap:16px;align-items:center;justify-content:center;min-height:56px;padding:12px 32px;border:1px solid #d1d5db;border-radius:24px;background:#fff;color:#374151;font-size:18px;font-weight:500}.hero-action:hover{background:#f9fafb;text-decoration:none}
.main-recharge-card{width:768px;max-width:100%;min-height:270px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:24px;padding:36px;box-shadow:0 20px 25px -5px #11182712,0 8px 10px -6px #1118270d}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.section-heading h2{display:flex;align-items:center;gap:12px;margin:0;font-size:22px;line-height:1.4;font-weight:600}.step-number{font-size:28px;color:var(--accent);font-weight:600}.login-cta{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 20px;background:var(--accent-soft);border:1px solid var(--accent-border);border-radius:16px;white-space:nowrap;font-size:14px;font-weight:600}.login-cta:hover{background:var(--accent);color:#fff;text-decoration:none}.section-copy{color:#4b5563;font-size:16px;margin-bottom:28px}.entry-form{display:flex;gap:16px}.entry-input{position:relative;flex:1;min-width:0}input:not([type=checkbox]),textarea{display:block;width:100%;border:1px solid #d1d5db;border-radius:24px;background:#fff;color:var(--ink);outline:none;box-shadow:0 1px 2px #0000000d}input:not([type=checkbox]){height:64px;padding:16px 48px 16px 24px;font:17px/1.5 ui-monospace,Consolas,monospace}textarea{padding:20px 24px;font:13px/1.7 ui-monospace,Consolas,monospace;resize:vertical;min-height:130px}input::placeholder,textarea::placeholder{color:#9ca3af}input:focus,textarea:focus{border-color:var(--accent);outline:3px solid rgb(16 163 127 / .12);outline-offset:2px}.clear-input{position:absolute;right:12px;top:12px;width:40px;height:40px;border:0;background:transparent;color:#9ca3af;font-size:25px}.clear-input:hover{color:#4b5563}.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:56px;border:0;border-radius:24px;padding:14px 30px;background:linear-gradient(135deg,var(--accent),var(--accent-hover));color:#fff;font-size:18px;font-weight:600;text-align:center;text-decoration:none}.entry-form>.primary-button{min-height:64px;white-space:nowrap;padding:14px 34px}.primary-button:hover{filter:brightness(.98);text-decoration:none}.wide{width:100%;margin-top:24px}.session-link,.text-button{white-space:nowrap;border:1px solid #d1d5db;border-radius:16px;padding:7px 14px;background:#fff;color:#6b7280;font-size:13px}.text-button:hover,.session-link:hover{background:#f9fafb;text-decoration:none}.privacy{margin-top:20px;font-size:12px;line-height:1.8;color:var(--muted)}.account-box{border:1px solid var(--line);border-radius:24px;background:#f9fafb;padding:22px 24px}.small-label{font-size:12px;color:var(--muted);letter-spacing:.06em}#account{font-size:20px;font-weight:600;overflow-wrap:anywhere;margin:8px 0}.muted{font-size:14px;color:var(--muted)}.consent{display:flex;align-items:flex-start;gap:12px;margin-top:22px;font-size:13px;line-height:1.8;color:#4b5563}.consent input{margin:5px 0 0;accent-color:var(--accent);flex-shrink:0}.card-meta{font-size:12px;color:var(--muted);margin-top:22px;border-top:1px solid var(--line);padding-top:16px}.state{font-size:12px;color:var(--muted);white-space:nowrap}.result-box{display:flex;gap:16px;align-items:flex-start;padding:24px;border:1px solid var(--accent-border);border-radius:24px;background:var(--accent-soft)}.result-box[data-state=failed],.result-box[data-state=cancelled]{border-color:#f0c9b9;background:#fff5ef}.result-icon{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:#fff;color:var(--accent);font-size:24px;font-weight:600}.result-box h3{margin:0 0 8px;font-size:21px}.result-box p{font-size:15px;overflow-wrap:anywhere}.order-label{font-size:12px;color:var(--muted);margin:18px 0 8px;overflow-wrap:anywhere}.order-label span{font-family:monospace;margin-left:8px}.result-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.secondary{padding:9px 16px;border:1px solid var(--line);border-radius:14px;background:#fff;color:#4b5563;font-size:13px}.secondary:hover{background:#f3f4f6}.verification{background:#f9fafb;border:1px solid var(--line);border-radius:20px;padding:20px;margin-top:20px}.verification>.primary-button{font-size:15px;min-height:44px;margin:14px 0 10px;padding:10px 20px;border-radius:16px}.verification small{display:block;color:var(--muted)}.verification .muted{font-size:12px;margin-top:8px}.error{max-width:768px;margin:20px auto 0;padding:16px 20px;border:1px solid #efc7b7;border-radius:18px;background:#fff3ed;color:#9a3d19;font-size:14px}.record-note{text-align:center;color:#7b8491;font-size:12px;margin:22px auto 0;max-width:700px}
.steps-section{background:linear-gradient(180deg,#f7fffb 0%,#eefaf5 24%,#f9fafb 100%);margin-top:-1px}.steps-container{max-width:1280px;margin:auto;padding:36px 24px 80px}.steps-container>h2{text-align:center;font-size:34px;line-height:1.3;margin:0 0 42px;font-weight:600}.steps-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}.step-card{padding:30px 20px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:24px}.step-badge{display:flex;align-items:center;justify-content:center;width:48px;height:48px;margin:0 auto 22px;background:var(--accent-soft);color:var(--accent);font-size:28px;border-radius:16px}.step-card h3{font-size:18px;margin:0 0 8px;font-weight:600}.step-card p{font-size:14px;color:#4b5563}
@media(max-width:850px){.steps-grid{gap:16px}.step-card{padding:24px 12px}.step-card h3{font-size:16px}.subtitle{font-size:20px}.section-heading h2{font-size:20px}}
@media(max-width:620px){.hero-bg{padding:24px 18px 50px}.hero-content{gap:18px;margin-bottom:26px}h1{font-size:38px;letter-spacing:-.04em}.subtitle{font-size:17px}.trust-badge{font-size:12px;padding:8px 16px}.hero-action{font-size:15px;min-height:48px;padding:10px 25px;border-radius:20px}.main-recharge-card{padding:25px 20px;border-radius:24px}.section-heading{gap:10px;margin-bottom:20px;flex-wrap:wrap}.section-heading h2{font-size:18px;gap:9px}.step-number{font-size:25px}.login-cta{min-height:34px;font-size:12px;padding:6px 12px}.section-copy{font-size:14px;margin-bottom:22px}.entry-form{flex-direction:column;gap:14px}.entry-form>.primary-button{min-height:56px}.primary-button{font-size:16px;border-radius:20px}input:not([type=checkbox]){font-size:15px;height:60px;border-radius:20px}textarea{border-radius:20px;padding:17px;font-size:12px}.clear-input{top:10px}.steps-container{padding:28px 18px 50px}.steps-container>h2{font-size:26px;margin-bottom:28px}.steps-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.step-card{border-radius:20px;padding:22px 12px}.step-card h3{font-size:15px}.step-card p{font-size:12px}.step-badge{margin-bottom:16px}#account{font-size:18px}.result-box{padding:18px;gap:12px}.result-box h3{font-size:18px}.result-box p{font-size:14px}.record-note{font-size:11px}.state{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}