.mode-tabs{display:flex;gap:8px;margin-bottom:16px}.mode-tab{flex:1;padding:12px 16px;border-radius:var(--radius-md);border:1px solid var(--divider);background:var(--header-bg);font-size:13px;font-weight:600;color:var(--gray-text);display:flex;align-items:center;justify-content:center;gap:8px;transition:all .25s;box-shadow:var(--card-shadow)}.mode-tab:hover{border-color:var(--primary-color);color:var(--primary-color)}.mode-tab.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:0 8px 24px var(--primary-glow)}.mode-tab i{font-size:18px}.qr_code_scanner .card{background:var(--header-bg);border:1px solid var(--divider);border-radius:var(--radius-lg);box-shadow:var(--card-shadow);overflow:hidden;margin-bottom:16px}.qr_code_scanner .card__header{padding:14px 18px;border-bottom:1px solid var(--divider);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.qr_code_scanner .card__title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary-text)}.qr_code_scanner .card__title i{color:var(--primary-color);font-size:17px}.qr_code_scanner .card__actions{display:flex;gap:7px;flex-wrap:wrap}.chip-btn{display:flex;align-items:center;gap:5px;padding:5px 12px;border-radius:8px;border:1px solid var(--divider);background:var(--section-bg);font-size:11px;font-weight:500;color:var(--gray-text);transition:all .2s}.chip-btn:hover{border-color:var(--primary-color);color:var(--primary-color);background:#eef0fd}[data-theme="dark"] .chip-btn:hover{background:#1e2240}.chip-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.camera-panel{display:none;flex-direction:column;align-items:center}.camera-panel.active{display:flex}.camera-viewport{width:100%;position:relative;overflow:hidden;background:#000;min-height:280px;max-height:420px}.camera-viewport video{width:100%;height:100%;object-fit:cover;display:block;max-height:420px}.scan-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}.scan-frame{width:min(220px, 70%);aspect-ratio:1/1;position:relative}.scan-frame::before,.scan-frame::after,.scan-frame .corner-br,.scan-frame .corner-bl{content:'';position:absolute;width:28px;height:28px;border-color:var(--scan-color);border-style:solid}.scan-frame::before{top:0;left:0;border-width:3px 0 0 3px;border-radius:4px 0 0 0}.scan-frame::after{top:0;right:0;border-width:3px 3px 0 0;border-radius:0 4px 0 0}.scan-frame .corner-br{bottom:0;right:0;border-width:0 3px 3px 0;border-radius:0 0 4px 0}.scan-frame .corner-bl{bottom:0;left:0;border-width:0 0 3px 3px;border-radius:0 0 0 4px}.scan-line{position:absolute;left:6%;right:6%;height:2px;background:linear-gradient(90deg,transparent,var(--scan-color),transparent);box-shadow:0 0 8px var(--scan-color);animation:scanMove 2s ease-in-out infinite;top:10%}@keyframes scanMove{0%{top:10%}50%{top:85%}100%{top:10%}}.scan-hint{position:absolute;bottom:12px;left:0;right:0;text-align:center;font-size:11px;font-weight:500;color:rgb(255 255 255 / .85);text-shadow:0 1px 4px rgb(0 0 0 / .6)}.camera-controls{display:flex;gap:10px;padding:12px 16px;width:100%;border-top:1px solid var(--divider);flex-wrap:wrap;align-items:center;justify-content:space-between}.cam-ctrl-left{display:flex;gap:8px;flex-wrap:wrap}.cam-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;border:1px solid var(--divider);background:var(--section-bg);font-size:12px;font-weight:500;color:var(--primary-text);transition:all .2s}.cam-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.cam-btn.primary{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:0 6px 18px var(--primary-glow)}.cam-btn.primary:hover{transform:translateY(-1px)}.cam-btn.danger{color:#ef4444}.cam-btn.danger:hover{border-color:#ef4444;background:#fff5f5}[data-theme="dark"] .cam-btn.danger:hover{background:#1a0a0a}.torch-btn{display:flex;align-items:center;gap:5px;padding:7px 12px;border-radius:9px;border:1px solid var(--divider);background:var(--section-bg);font-size:11px;font-weight:500;color:var(--gray-text);transition:all .2s}.torch-btn.on{background:#fffbeb;border-color:#fcd34d;color:#d97706}[data-theme="dark"] .torch-btn.on{background:#431407;color:#fbbf24;border-color:#92400e}.camera-off{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:44px 20px;text-align:center;min-height:260px}.cam-off-icon{width:64px;height:64px;border-radius:50%;background:#eef0fd;display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--primary-color)}[data-theme="dark"] .cam-off-icon{background:#1e2240}.cam-off-title{font-size:15px;font-weight:600;color:var(--primary-text)}.cam-off-sub{font-size:12px;color:var(--gray-text);line-height:1.7}.upload-panel{display:none;flex-direction:column}.upload-panel.active{display:flex}.dropzone{margin:16px;border:2px dashed var(--divider);border-radius:var(--radius-md);padding:36px 20px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;cursor:pointer;transition:border-color .25s,background .25s,transform .2s;background:var(--section-bg);min-height:200px}.dropzone:hover,.dropzone.dragover{border-color:var(--primary-color);background:#f0f1fe;transform:scale(1.005)}[data-theme="dark"] .dropzone:hover,[data-theme="dark"] .dropzone.dragover{background:#1a1d30}.dropzone.hidden{display:none}.dz-icon{width:68px;height:68px;border-radius:50%;background:linear-gradient(135deg,#eef0fd,#e0e3fc);display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--primary-color);box-shadow:0 8px 24px var(--primary-glow);animation:float 3.2s ease-in-out infinite}[data-theme="dark"] .dz-icon{background:linear-gradient(135deg,#1e2240,#252a50)}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}.dz-title{font-size:15px;font-weight:600;color:var(--primary-text)}.dz-sub{font-size:12px;color:var(--gray-text);line-height:1.7}.dz-browse{padding:9px 22px;border-radius:10px;border:none;background:var(--primary-color);color:#fff;font-size:12px;font-weight:600;display:flex;align-items:center;gap:7px;box-shadow:0 6px 20px var(--primary-glow);transition:all .2s}.dz-browse:hover{transform:translateY(-2px)}.upload-preview{display:none;margin:14px 16px 0;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--divider);background:repeating-conic-gradient(#e0e0e0 0% 25%,#f8f8f8 0% 50%) 0 0/14px 14px;text-align:center;position:relative;max-height:300px}[data-theme="dark"] .upload-preview{background:repeating-conic-gradient(#1e2737 0% 25%,#151d29 0% 50%) 0 0/14px 14px}.upload-preview.visible{display:block}.upload-preview img{display:block;max-width:100%;max-height:300px;margin:0 auto;object-fit:contain}.upload-preview__remove{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:8px;border:none;background:rgb(0 0 0 / .55);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;cursor:pointer}.upload-preview__remove:hover{background:#ef4444}.upload-actions{padding:12px 16px;border-top:1px solid var(--divider);display:flex;gap:10px}.scan-upload-btn{flex:1;padding:12px 20px;border-radius:var(--radius-md);border:none;background:var(--primary-color);color:#fff;font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 8px 24px var(--primary-glow);transition:all .2s}.scan-upload-btn:hover{transform:translateY(-2px)}.scan-upload-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.scan-upload-btn .spinner{width:14px;height:14px;border:2px solid rgb(255 255 255 / .4);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;display:none}.scan-upload-btn.loading .spinner{display:block}.scan-upload-btn.loading .btn-icon{display:none}@keyframes spin{to{transform:rotate(360deg)}}.secondary-btn{padding:12px 16px;border-radius:var(--radius-md);border:1px solid var(--divider);background:var(--section-bg);color:var(--primary-text);font-size:12px;font-weight:500;display:flex;align-items:center;gap:6px;transition:all .2s}.secondary-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.result-section{display:none;flex-direction:column;gap:0;animation:fadeUp .4s cubic-bezier(.22,1,.36,1) both}.result-section.visible{display:flex}@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.result-card{background:var(--header-bg);border:1px solid var(--divider);border-radius:var(--radius-lg);box-shadow:var(--card-shadow);overflow:hidden;margin-bottom:16px}.qr-type-badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700}.type-url{background:#eff6ff;color:#2563eb}.type-text{background:#f5f3ff;color:#7c3aed}.type-email{background:#fef3c7;color:#d97706}.type-phone{background:#f0fdf4;color:#16a34a}.type-wifi{background:#ecfdf5;color:#059669}.type-sms{background:#fff7ed;color:#ea580c}.type-geo{background:#fdf4ff;color:#a21caf}.type-vcard{background:#f0f9ff;color:#0369a1}.type-other{background:#f1f5f9;color:#475569}[data-theme="dark"] .type-url{background:#1e3a5f;color:#60a5fa}[data-theme="dark"] .type-text{background:#2e1065;color:#a78bfa}[data-theme="dark"] .type-email{background:#431407;color:#fbbf24}[data-theme="dark"] .type-phone{background:#052e16;color:#4ade80}[data-theme="dark"] .type-wifi{background:#022c22;color:#34d399}[data-theme="dark"] .type-sms{background:#431407;color:#fb923c}[data-theme="dark"] .type-geo{background:#2e1065;color:#e879f9}[data-theme="dark"] .type-vcard{background:#0c1a2e;color:#38bdf8}[data-theme="dark"] .type-other{background:#1e293b;color:#94a3b8}.result-header{padding:14px 18px;border-bottom:1px solid var(--divider);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.result-title-row{display:flex;align-items:center;gap:8px}.result-title{font-size:13px;font-weight:600;color:var(--primary-text)}.result-actions{display:flex;gap:7px;flex-wrap:wrap}.result-btn{display:flex;align-items:center;gap:5px;padding:6px 12px;border-radius:8px;border:1px solid var(--divider);background:var(--section-bg);font-size:11px;font-weight:500;color:var(--gray-text);transition:all .2s}.result-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.result-btn.success{background:#f0fdf4;border-color:#86efac;color:#16a34a}.result-btn.primary{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.result-btn.primary:hover{opacity:.9}.result-raw{padding:16px 18px;font-size:14px;line-height:1.7;color:var(--primary-text);word-break:break-all;border-bottom:1px solid var(--divider);min-height:60px}.result-raw a{color:var(--primary-color);text-decoration:underline}.result-details{display:flex;flex-direction:column;gap:0;border-bottom:1px solid var(--divider)}.detail-row{display:flex;gap:0;border-bottom:1px solid var(--divider)}.detail-row:last-child{border-bottom:none}.detail-key{flex:0 0 110px;padding:10px 14px;font-size:11px;font-weight:600;color:var(--gray-text);text-transform:uppercase;letter-spacing:.05em;background:var(--section-bg);border-right:1px solid var(--divider);display:flex;align-items:center;gap:6px}.detail-val{flex:1;padding:10px 14px;font-size:13px;color:var(--primary-text);word-break:break-all;display:flex;align-items:center}.history-section{background:var(--header-bg);border:1px solid var(--divider);border-radius:var(--radius-lg);box-shadow:var(--card-shadow);overflow:hidden}.history-header{padding:13px 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.2s}.history-item:last-child{border-bottom:none}.history-item:hover{background:var(--section-bg)}.history-item__icon{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.history-item__text{flex:1;min-width:0}.history-item__val{font-size:12px;font-weight:500;color:var(--primary-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item__meta{font-size:10px;color:var(--gray-text);margin-top:2px}.history-item__copy{opacity:0;transition:opacity .2s;font-size:13px;color:var(--gray-text)}.history-item:hover .history-item__copy{opacity:1}.info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}.info-item{background:var(--header-bg);border:1px solid var(--divider);border-radius:var(--radius-md);padding:14px;display:flex;align-items:flex-start;gap:10px}.info-icon{width:36px;height:36px;flex-shrink:0;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:17px}.info-title{font-size:12px;font-weight:600;color:var(--primary-text);margin-bottom:3px}.info-desc{font-size:11px;color:var(--gray-text);line-height:1.6}.error-toast{display:none;margin:0 16px 14px;background:#fff5f5;border:1px solid #fca5a5;border-radius:var(--radius-md);padding:11px 14px;align-items:center;gap:9px}[data-theme="dark"] .error-toast{background:#1a0a0a;border-color:#7f1d1d}.error-toast.visible{display:flex}.error-toast i{color:#ef4444;font-size:17px;flex-shrink:0}.error-toast__text{font-size:12px;color:#dc2626;line-height:1.5}[data-theme="dark"] .error-toast__text{color:#f87171}.success-flash{display:none;align-items:center;gap:8px;padding:10px 16px;font-size:12px;font-weight:500;color:#16a34a;background:#f0fdf4;border-top:1px solid #bbf7d0;animation:fadeUp .3s ease both}[data-theme="dark"] .success-flash{background:#052e16;border-color:#166534;color:#4ade80}.success-flash.visible{display:flex}@media(max-width:640px){.page{padding:16px 12px 48px}.hero h1{font-size:22px}.mode-tabs{gap:6px}.mode-tab{font-size:12px;padding:10px 10px;gap:5px}.info-strip{grid-template-columns:1fr}.result-actions{width:100%}.result-header{flex-wrap:wrap}.detail-key{flex:0 0 90px;font-size:10px}.upload-actions{flex-direction:column}.scan-upload-btn,.secondary-btn{width:100%;justify-content:center}.camera-controls{gap:8px}}@media(max-width:420px){.mode-tab span{display:none}.mode-tab i{font-size:20px}.mode-tab{padding:12px}.camera-viewport{min-height:240px}}.qr-how-section{margin-top:18px;padding:20px;background:radial-gradient(circle at top left,rgb(99 102 241 / .13),transparent 34%),linear-gradient(180deg,var(--header-bg),var(--section-bg))}.qr-section-head{display:flex;justify-content:space-between;gap:18px;margin-bottom:16px}.qr-eyebrow{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;background:#eef0fd;color:var(--primary-color);font-size:11px;font-weight:700;margin-bottom:10px}.qr-section-head h2{color:var(--primary-text);font-size:24px;margin-bottom:8px}.qr-section-head p{color:var(--gray-text);font-size:13px;line-height:1.8}.qr-mini-action{display:inline-flex;align-items:center;gap:7px;padding:10px 14px;border-radius:12px;background:var(--primary-color);color:#fff;font-size:12px;font-weight:700;box-shadow:0 8px 24px var(--primary-glow);transition:.25s ease}.qr-mini-action:hover{transform:translateY(-2px)}.qr-how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.qr-step-card{position:relative;min-height:190px;padding:18px;border:1px solid var(--divider);border-radius:var(--radius-md);background:var(--header-bg);overflow:hidden;transition:.25s ease}.qr-step-card:hover{transform:translateY(-4px);border-color:rgb(99 102 241 / .35);box-shadow:0 14px 34px rgb(99 102 241 / .14)}.qr-step-card.featured{background:linear-gradient(135deg,var(--primary-color),#818cf8)}.qr-step-card.featured h3,.qr-step-card.featured p,.qr-step-card.featured .qr-step-count{color:#fff}.qr-step-count{position:absolute;top:12px;right:14px;color:rgb(99 102 241 / .18);font-size:32px;font-weight:800}.qr-step-icon{width:46px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:#eef0fd;color:var(--primary-color);font-size:21px;margin-bottom:18px}.qr-step-card.featured .qr-step-icon{background:rgb(255 255 255 / .2);color:#fff}.qr-step-icon.green{background:#ecfdf5;color:#059669}.qr-step-icon.amber{background:#fffbeb;color:#d97706}.qr-step-card h3{color:var(--primary-text);font-size:15px;margin-bottom:8px}.qr-step-card p{color:var(--gray-text);font-size:12px;line-height:1.75}[data-theme="dark"] .qr-eyebrow,[data-theme="dark"] .qr-step-icon{background:#1e2240}@media(max-width:900px){.qr-section-head{display:block}.qr-mini-action{margin-top:14px}.qr-how-grid{grid-template-columns:1fr}}@media(max-width:640px){.qr-how-section{padding:16px}.qr-section-head h2{font-size:20px}.qr-step-card{min-height:auto}}.qr-features-section{padding:20px}.qr-features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.qr-feature-card{padding:18px;border:1px solid var(--divider);border-radius:var(--radius-md);background:linear-gradient(180deg,var(--header-bg),var(--section-bg));transition:.25s ease}.qr-feature-card:hover{transform:translateY(-4px);border-color:rgb(99 102 241 / .35);box-shadow:0 14px 34px rgb(99 102 241 / .12)}.qr-feature-icon{width:46px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:#eef0fd;color:var(--primary-color);font-size:21px;margin-bottom:14px}.qr-feature-icon.green{background:#ecfdf5;color:#059669}.qr-feature-icon.amber{background:#fffbeb;color:#d97706}.qr-feature-icon.blue{background:#eff6ff;color:#2563eb}.qr-feature-icon.purple{background:#f5f3ff;color:#7c3aed}.qr-feature-icon.rose{background:#fff1f2;color:#e11d48}.qr-feature-card h3{color:var(--primary-text);font-size:15px;font-weight:700;margin-bottom:8px}.qr-feature-card p{color:var(--gray-text);font-size:12px;line-height:1.75}[data-theme="dark"] .qr-feature-icon{background:#1e2240}[data-theme="dark"] .qr-feature-icon.green{background:#052e20}[data-theme="dark"] .qr-feature-icon.amber{background:#431407}[data-theme="dark"] .qr-feature-icon.blue{background:#0c1a2e}[data-theme="dark"] .qr-feature-icon.purple{background:#2e1065}[data-theme="dark"] .qr-feature-icon.rose{background:#4c0519}@media(max-width:900px){.qr-features-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.qr-features-section{padding:16px}.qr-features-grid{grid-template-columns:1fr}}.qr-content-section{margin-top:18px;padding:20px;background:radial-gradient(circle at right top,rgb(99 102 241 / .12),transparent 34%),var(--header-bg)}.qr-content-wrap{display:grid;grid-template-columns:1.5fr .8fr;gap:18px;align-items:stretch}.qr-content-left h2{color:var(--primary-text);font-size:24px;line-height:1.3;margin-bottom:12px}.qr-content-left p{color:var(--gray-text);font-size:13px;line-height:1.85;margin-bottom:10px}.qr-content-right{display:grid;gap:10px}.qr-content-stat{padding:16px;border:1px solid var(--divider);border-radius:var(--radius-md);background:linear-gradient(180deg,var(--section-bg),var(--header-bg))}.qr-content-stat strong{display:block;color:var(--primary-color);font-size:24px;line-height:1;margin-bottom:6px}.qr-content-stat span{color:var(--gray-text);font-size:12px;font-weight:600}.qr-content-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.qr-content-point{display:flex;gap:12px;padding:16px;border:1px solid var(--divider);border-radius:var(--radius-md);background:var(--section-bg)}.qr-content-point i{width:38px;height:38px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:12px;background:#eef0fd;color:var(--primary-color);font-size:18px}.qr-content-point h3{color:var(--primary-text);font-size:14px;margin-bottom:6px}.qr-content-point p{color:var(--gray-text);font-size:12px;line-height:1.7}[data-theme="dark"] .qr-content-point i{background:#1e2240}@media(max-width:900px){.qr-content-wrap,.qr-content-points{grid-template-columns:1fr}}@media(max-width:640px){.qr-content-section{padding:16px;border-radius:16px}.qr-content-left h2{font-size:20px}}.qr-example-section{padding:20px;background:radial-gradient(circle at left top,rgb(99 102 241 / .12),transparent 34%),var(--header-bg)}.qr-example-showcase{display:grid;grid-template-columns:.9fr 1.4fr;gap:14px}.qr-example-preview{position:relative;padding:18px;border:1px solid var(--divider);border-radius:var(--radius-md);background:linear-gradient(135deg,var(--primary-color),#818cf8);overflow:hidden}.qr-example-preview::after{content:"";position:absolute;width:180px;height:180px;right:-70px;top:-70px;border-radius:50%;background:rgb(255 255 255 / .16)}.qr-preview-badge{width:fit-content;display:flex;align-items:center;gap:7px;padding:7px 11px;border-radius:999px;background:rgb(255 255 255 / .18);color:#fff;font-size:11px;font-weight:700;margin-bottom:16px}.qr-preview-box{position:relative;width:170px;height:170px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;border-radius:22px;background:#fff;box-shadow:0 20px 45px rgb(0 0 0 / .18);overflow:hidden}.qr-sample-code{width:118px;height:118px;display:grid;grid-template-columns:repeat(5,1fr);gap:5px}.qr-sample-code span{border-radius:4px;background:#111827}.qr-sample-code span:nth-child(2),.qr-sample-code span:nth-child(4),.qr-sample-code span:nth-child(8),.qr-sample-code span:nth-child(11),.qr-sample-code span:nth-child(14),.qr-sample-code span:nth-child(18),.qr-sample-code span:nth-child(22){opacity:.16}.qr-scan-line{position:absolute;left:24px;right:24px;height:2px;background:linear-gradient(90deg,transparent,var(--primary-color),transparent);box-shadow:0 0 12px var(--primary-color);animation:qrExampleScan 2.2s ease-in-out infinite}@keyframes qrExampleScan{0%,100%{top:38px}50%{top:132px}}.qr-preview-result{position:relative;z-index:1;padding:14px;border-radius:16px;background:rgb(255 255 255 / .16);backdrop-filter:blur(10px)}.qr-preview-result span{display:block;color:rgb(255 255 255 / .78);font-size:11px;font-weight:600;margin-bottom:5px}.qr-preview-result strong{display:block;color:#fff;font-size:13px;word-break:break-all;margin-bottom:12px}.qr-preview-result button{width:100%;padding:10px 12px;border:0;border-radius:12px;background:#fff;color:var(--primary-color);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:7px}.qr-example-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.qr-example-card{display:flex;gap:13px;padding:16px;border:1px solid var(--divider);border-radius:var(--radius-md);background:linear-gradient(180deg,var(--header-bg),var(--section-bg));transition:.25s ease}.qr-example-card:hover,.qr-example-card.active{transform:translateY(-4px);border-color:rgb(99 102 241 / .35);box-shadow:0 14px 34px rgb(99 102 241 / .12)}.qr-example-icon{width:44px;height:44px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:14px;background:#eef0fd;color:var(--primary-color);font-size:20px}.qr-example-icon.green{background:#ecfdf5;color:#059669}.qr-example-icon.amber{background:#fffbeb;color:#d97706}.qr-example-icon.purple{background:#f5f3ff;color:#7c3aed}.qr-example-card span{color:var(--primary-color);font-size:11px;font-weight:700}.qr-example-card h3{color:var(--primary-text);font-size:14px;margin:5px 0 6px}.qr-example-card p{color:var(--gray-text);font-size:12px;line-height:1.7}[data-theme="dark"] .qr-example-icon{background:#1e2240}[data-theme="dark"] .qr-example-icon.green{background:#052e20}[data-theme="dark"] .qr-example-icon.amber{background:#431407}[data-theme="dark"] .qr-example-icon.purple{background:#2e1065}@media(max-width:900px){.qr-example-showcase,.qr-example-list{grid-template-columns:1fr}}@media(max-width:640px){.qr-example-section{padding:16px;border-radius:16px}.qr-preview-box{width:150px;height:150px}.qr-example-card{padding:14px}}.qr-faq-section{padding:20px;background:radial-gradient(circle at right top,rgb(99 102 241 / .12),transparent 34%),var(--header-bg)}.qr-faq-wrap{display:grid;grid-template-columns:.8fr 1.5fr;gap:14px;align-items:start}.qr-faq-help-card{padding:20px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--primary-color),#818cf8);color:#fff;position:sticky;top:95px;overflow:hidden}.qr-faq-help-card::after{content:"";position:absolute;width:160px;height:160px;right:-70px;bottom:-70px;border-radius:50%;background:rgb(255 255 255 / .15)}.qr-faq-help-icon{width:54px;height:54px;display:flex;align-items:center;justify-content:center;border-radius:16px;background:rgb(255 255 255 / .18);font-size:24px;margin-bottom:16px}.qr-faq-help-card h3{font-size:18px;margin-bottom:8px}.qr-faq-help-card p{color:rgb(255 255 255 / .82);font-size:12px;line-height:1.8;margin-bottom:14px}.qr-faq-tags{display:flex;flex-wrap:wrap;gap:7px;position:relative;z-index:1}.qr-faq-tags span{padding:6px 10px;border-radius:999px;background:rgb(255 255 255 / .18);color:#fff;font-size:11px;font-weight:700}.qr-faq-list{display:grid;gap:10px}.qr-faq-item{border:1px solid var(--divider);border-radius:var(--radius-md);background:linear-gradient(180deg,var(--header-bg),var(--section-bg));overflow:hidden;transition:.25s ease}.qr-faq-item:hover,.qr-faq-item.active{border-color:rgb(99 102 241 / .35);box-shadow:0 12px 28px rgb(99 102 241 / .10)}.qr-faq-question{width:100%;padding:16px;border:0;background:#fff0;color:var(--primary-text);display:flex;align-items:center;justify-content:space-between;gap:14px;text-align:left;font-size:14px;font-weight:700;cursor:pointer}.qr-faq-question i{width:30px;height:30px;flex-shrink:0;border-radius:10px;background:#eef0fd;color:var(--primary-color);display:flex;align-items:center;justify-content:center;transition:transform .3s ease,background .3s ease}.qr-faq-item.active .qr-faq-question i{transform:rotate(180deg);background:var(--primary-color);color:#fff}.qr-faq-answer{max-height:0;overflow:hidden;transition:max-height .38s ease}.qr-faq-answer p{padding:0 16px 16px;color:var(--gray-text);font-size:12px;line-height:1.85}[data-theme="dark"] .qr-faq-question i{background:#1e2240}[data-theme="dark"] .qr-faq-item.active .qr-faq-question i{background:var(--primary-color)}@media(max-width:900px){.qr-faq-wrap{grid-template-columns:1fr}.qr-faq-help-card{position:relative;top:0}}@media(max-width:640px){.qr-faq-section{padding:16px;border-radius:16px}.qr-faq-question{padding:14px;font-size:13px}}.qr-related-section{padding:20px;background:radial-gradient(circle at left top,rgb(99 102 241 / .12),transparent 34%),var(--header-bg)}.qr-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.qr-related-card{display:flex;align-items:center;gap:13px;padding:16px;border:1px solid var(--divider);border-radius:var(--radius-md);background:linear-gradient(180deg,var(--header-bg),var(--section-bg));transition:.25s ease}.qr-related-card:hover{transform:translateY(-4px);border-color:rgb(99 102 241 / .35);box-shadow:0 14px 34px rgb(99 102 241 / .12)}.qr-related-icon{width:46px;height:46px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:14px;background:#eef0fd;color:var(--primary-color);font-size:21px}.qr-related-icon.green{background:#ecfdf5;color:#059669}.qr-related-icon.amber{background:#fffbeb;color:#d97706}.qr-related-icon.purple{background:#f5f3ff;color:#7c3aed}.qr-related-icon.blue{background:#eff6ff;color:#2563eb}.qr-related-icon.rose{background:#fff1f2;color:#e11d48}.qr-related-card h3{color:var(--primary-text);font-size:14px;font-weight:700;margin-bottom:5px}.qr-related-card p{color:var(--gray-text);font-size:12px;line-height:1.6}.qr-related-card span{margin-left:auto;width:30px;height:30px;flex-shrink:0;border-radius:10px;background:var(--section-bg);color:var(--primary-color);display:flex;align-items:center;justify-content:center;transition:.25s ease}.qr-related-card:hover span{background:var(--primary-color);color:#fff;transform:translateX(3px)}[data-theme="dark"] .qr-related-icon{background:#1e2240}[data-theme="dark"] .qr-related-icon.green{background:#052e20}[data-theme="dark"] .qr-related-icon.amber{background:#431407}[data-theme="dark"] .qr-related-icon.purple{background:#2e1065}[data-theme="dark"] .qr-related-icon.blue{background:#0c1a2e}[data-theme="dark"] .qr-related-icon.rose{background:#4c0519}@media(max-width:900px){.qr-related-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.qr-related-section{padding:16px;border-radius:16px}.qr-related-grid{grid-template-columns:1fr}.qr-related-card{padding:14px}}