/* ─── Design Tokens ─── */
        :root {
            --green:       #059669;
            --green-light: #D1FAE5;
            --green-mid:   #A7F3D0;
            --green-dark:  #047857;
            --navy:        #0F172A;
            --navy-mid:    #1E293B;
            --text:        #111827;
            --text-2:      #374151;
            --muted:       #6B7280;
            --muted-2:     #9CA3AF;
            --bg:          #F9FAFB;
            --bg-2:        #F3F4F6;
            --card:        #FFFFFF;
            --border:      #E5E7EB;
            --border-2:    #D1D5DB;
            --red:         #EF4444;
            --blue:        #3B82F6;
            --radius-sm:   8px;
            --radius:      12px;
            --radius-lg:   16px;
            --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
            --shadow:      0 4px 16px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);
            --shadow-lg:   0 8px 32px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
        }

        /* ─── Reset ─── */
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Pretendard', 'Apple SD Gothic Neo', 'Segoe UI', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        .hidden { display: none !important; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* ─── NAV ─── */
        .nav {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .nav-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .nav-logo img {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            object-fit: cover;
        }
        .nav-logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.3px;
        }
        .nav-logo-text span { color: var(--green); }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
            border-radius: 6px;
        }
        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--muted);
            border-radius: 2px;
            transition: all 0.2s;
        }
        .nav-mobile-menu {
            display: none;
            background: var(--card);
            border-top: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 16px;
        }
        .nav-mobile-menu.open { display: flex; }
        .nav-mobile-menu a {
            font-size: 14px;
            color: var(--text-2);
            text-decoration: none;
            padding: 6px 0;
            border-bottom: 1px solid var(--border);
        }
        .nav-mobile-menu a:last-child { border-bottom: none; }
        .nav-link {
            font-size: 13px;
            color: var(--muted);
            text-decoration: none;
            transition: color 0.15s;
        }
        .nav-link:hover { color: var(--text); }
        .nav-badge {
            font-size: 10px;
            font-weight: 600;
            color: var(--green-dark);
            background: var(--green-light);
            border: 1px solid var(--green-mid);
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.2px;
        }
        .nav-insta {
            display: flex;
            align-items: center;
            gap: 5px;
            text-decoration: none;
            color: var(--muted);
            font-size: 13px;
            transition: color 0.15s;
        }
        .nav-insta:hover { color: #C13584; }
        .lang-switch {
            display: flex;
            align-items: center;
            gap: 1px;
            border: 1px solid var(--border-2);
            border-radius: 20px;
            padding: 2px 5px;
            background: var(--bg-2);
        }
        .lang-btn {
            background: none;
            border: none;
            cursor: pointer;
            font-size: 10px;
            font-weight: 700;
            color: var(--muted);
            padding: 2px 7px;
            border-radius: 16px;
            transition: all 0.15s;
            letter-spacing: 0.4px;
            line-height: 1.6;
        }
        .lang-btn.active {
            color: var(--green-dark);
            background: var(--green-light);
        }
        .lang-btn:hover:not(.active) { color: var(--text); }
        .lang-divider {
            font-size: 9px;
            color: var(--border-2);
            user-select: none;
        }
        .lang-switch-mobile {
            display: flex;
            gap: 8px;
            padding: 8px 0 4px;
        }
        .lang-btn-mobile {
            background: var(--bg-2);
            border: 1px solid var(--border-2);
            cursor: pointer;
            font-size: 12px;
            font-weight: 600;
            color: var(--muted);
            padding: 5px 14px;
            border-radius: 20px;
            transition: all 0.15s;
        }
        .lang-btn-mobile.active {
            color: var(--green-dark);
            background: var(--green-light);
            border-color: var(--green-mid);
        }
        .lang-btn-mobile:hover:not(.active) { color: var(--text); }

        /* ─── HERO ─── */
        .hero {
            background: var(--navy);
            padding: 72px 24px 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(5,150,105,0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-inner {
            max-width: 680px;
            margin: 0 auto;
            position: relative;
        }
        .hero-logo {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 32px;
        }
        .hero-logo img {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            object-fit: cover;
            box-shadow: 0 0 0 2px rgba(5,150,105,0.4), 0 8px 24px rgba(0,0,0,0.3);
        }
        .hero-logo-name {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .hero-logo-name span { color: #34D399; }
        .hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(5,150,105,0.2);
            border: 1px solid rgba(52,211,153,0.35);
            color: #6EE7B7;
            font-size: 11px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.6px;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 16px;
        }
        .hero h1 em {
            color: #34D399;
            font-style: normal;
        }
        .hero-sub {
            font-size: 16px;
            color: #94A3B8;
            line-height: 1.7;
            margin-bottom: 36px;
        }
        .hero-sub strong { color: #CBD5E1; }
        .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--green);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            padding: 16px 36px;
            border-radius: 12px;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all 0.2s;
            box-shadow: 0 4px 20px rgba(5,150,105,0.4);
            letter-spacing: -0.2px;
        }
        .hero-cta:hover {
            background: #047857;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(5,150,105,0.45);
        }
        .hero-free {
            margin-top: 16px;
            font-size: 12px;
            color: #64748B;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 32px;
            margin-top: 48px;
            padding-top: 36px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .hero-stat-item { text-align: center; }
        .hero-stat-num {
            font-size: 22px;
            font-weight: 800;
            color: #34D399;
            letter-spacing: -0.5px;
            display: block;
        }
        .hero-stat-label {
            font-size: 11px;
            color: #64748B;
            margin-top: 2px;
        }

        /* ─── TARGET BANNER ─── */
        .target-section {
            background: #FFF7ED;
            border-bottom: 1px solid #FED7AA;
            padding: 16px 24px;
        }
        .target-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .target-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }
        .target-icon-wrap {
            width: 28px;
            height: 28px;
            background: #FED7AA;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .target-text strong { color: #92400E; font-weight: 700; }
        .target-text span { color: #B45309; }
        .target-divider {
            width: 1px;
            height: 32px;
            background: #FCD34D;
        }

        /* ─── MAIN WRAPPER ─── */
        .main-wrap {
            max-width: 760px;
            margin: 0 auto;
            padding: 48px 24px 64px;
        }

        /* ─── STEPS ─── */
        .steps-nav {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            margin-bottom: 36px;
        }
        .step-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            color: var(--muted);
            background: transparent;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .step-item.active {
            background: var(--green-light);
            color: var(--green-dark);
        }
        .step-item.done {
            color: var(--green);
        }
        .step-num {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            background: var(--border);
            color: var(--muted);
            flex-shrink: 0;
            transition: all 0.2s;
        }
        .step-item.active .step-num {
            background: var(--green);
            color: #fff;
        }
        .step-item.done .step-num {
            background: var(--green-light);
            color: var(--green);
        }
        .step-connector {
            width: 28px;
            height: 1px;
            background: var(--border);
            flex-shrink: 0;
        }

        /* ─── CARD ─── */
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
        }
        .card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.2px;
        }
        .card-title-icon {
            width: 28px;
            height: 28px;
            background: var(--green-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        /* ─── UPLOAD ─── */
        .upload-label {
            font-size: 14px;
            color: var(--text-2);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .upload-zone {
            border: 2px dashed var(--border-2);
            border-radius: var(--radius);
            padding: 52px 24px;
            text-align: center;
            cursor: pointer;
            transition: all 0.2s;
            background: var(--bg);
            position: relative;
        }
        .upload-zone:hover, .upload-zone.hover {
            border-color: var(--green);
            background: var(--green-light);
        }
        .upload-zone-icon {
            font-size: 36px;
            margin-bottom: 12px;
            display: block;
        }
        .upload-zone-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .upload-zone-sub {
            font-size: 13px;
            color: var(--muted);
        }
        .upload-zone-sub span {
            display: inline-block;
            background: var(--bg-2);
            border: 1px solid var(--border);
            border-radius: 5px;
            padding: 1px 7px;
            font-size: 11px;
            font-weight: 600;
            color: var(--muted);
            margin: 0 2px;
        }

        /* Supported Brokers */
        .brokers-wrap {
            margin-top: 20px;
        }
        .brokers-label {
            font-size: 11px;
            font-weight: 600;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 10px;
        }
        .brokers-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .broker-chip {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-2);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 6px 12px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-2);
            transition: all 0.15s;
        }
        .broker-chip:hover {
            border-color: var(--green);
            background: var(--green-light);
            color: var(--green-dark);
        }
        .broker-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--green);
            flex-shrink: 0;
        }
        .broker-fmt {
            font-size: 10px;
            font-weight: 600;
            color: var(--muted);
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 1px 5px;
            margin-left: 2px;
            letter-spacing: 0;
        }
        .broker-fmt--pdf {
            color: var(--green-dark);
            background: var(--green-light);
            border-color: var(--green-mid);
        }

        /* File List */
        .file-list { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
        .file-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 13px;
        }
        .file-info { display: flex; align-items: center; gap: 10px; min-width: 0; }
        .file-info-name { font-weight: 500; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 300px; }
        .file-info-size { font-size: 11px; color: var(--muted); flex-shrink: 0; }
        .file-broker {
            font-size: 10px;
            font-weight: 700;
            color: var(--green-dark);
            background: var(--green-light);
            border: 1px solid var(--green-mid);
            padding: 2px 8px;
            border-radius: 20px;
            flex-shrink: 0;
        }
        .file-remove {
            cursor: pointer;
            color: var(--muted-2);
            font-size: 16px;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all 0.15s;
            flex-shrink: 0;
        }
        .file-remove:hover { background: #FEE2E2; color: var(--red); }

        /* ─── BUTTONS ─── */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            letter-spacing: -0.1px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--green);
            color: #fff;
            padding: 12px 24px;
        }
        .btn-primary:hover {
            background: var(--green-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(5,150,105,0.35);
        }
        .btn-primary:disabled {
            background: var(--border);
            color: var(--muted);
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }
        .btn-lg { padding: 15px 32px; font-size: 15px; border-radius: var(--radius); }
        .btn-block { width: 100%; }
        .btn-outline {
            background: transparent;
            color: var(--muted);
            border: 1px solid var(--border);
            padding: 10px 20px;
        }
        .btn-outline:hover {
            background: var(--bg-2);
            color: var(--text);
            border-color: var(--border-2);
        }
        .btn-analyze {
            margin-top: 20px;
            width: 100%;
        }

        /* ─── PROCESSING ─── */
        .processing {
            text-align: center;
            padding: 56px 24px;
        }
        .spinner {
            width: 40px;
            height: 40px;
            border: 3px solid var(--border);
            border-top-color: var(--green);
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            margin: 0 auto 20px;
        }
        @keyframes spin { to { transform: rotate(360deg); } }
        .processing-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .processing-sub { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
        .progress-bar {
            width: 100%;
            max-width: 360px;
            margin: 0 auto;
            height: 6px;
            background: var(--border);
            border-radius: 999px;
            overflow: hidden;
        }
        .progress-fill {
            height: 100%;
            width: 0%;
            background: var(--green);
            border-radius: 999px;
            transition: width 0.3s ease;
        }
        .processing-file-list {
            margin: 14px auto 0;
            max-width: 360px;
            text-align: left;
            font-size: 12px;
            color: var(--muted);
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .pfl-item { display: flex; align-items: center; gap: 6px; }
        .pfl-item.done { color: var(--green); }
        .pfl-item.active { color: var(--text); font-weight: 600; }
        .pfl-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--border); flex-shrink: 0; }
        .pfl-item.done .pfl-dot { background: var(--green); }
        .pfl-item.active .pfl-dot { background: var(--green); animation: pulse-dot 0.9s ease-in-out infinite; }
        @keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

        /* ─── RESULT: alert ─── */
        .result-alert {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
        }
        .result-alert-ok {
            background: var(--green-light);
            color: var(--green-dark);
            border: 1px solid var(--green-mid);
        }
        .result-alert-warn {
            background: #FFF3CD;
            color: #92400E;
            border: 1px solid #FDE68A;
        }

        /* ─── RESULT: Metric Cards ─── */
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 24px;
        }
        .metric-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            transition: border-color 0.2s;
        }
        .metric-card.highlight {
            background: var(--navy);
            border-color: var(--navy-mid);
        }
        .metric-label {
            font-size: 11px;
            font-weight: 600;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .metric-card.highlight .metric-label { color: #94A3B8; }
        .metric-value {
            font-size: 24px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.8px;
            line-height: 1.1;
        }
        .metric-card.highlight .metric-value { color: #34D399; }
        .metric-sub {
            font-size: 11px;
            color: var(--muted-2);
            margin-top: 4px;
        }
        .metric-card.highlight .metric-sub { color: #94A3B8; }

        /* ─── RESULT: Trade Summary ─── */
        .trade-summary {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
        }
        .trade-stat {
            flex: 1;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            text-align: center;
        }
        .trade-stat-label {
            font-size: 11px;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.4px;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .trade-stat-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
        }

        /* ─── RESULT: Detail Breakdown ─── */
        .breakdown-title {
            font-size: 12px;
            font-weight: 600;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .breakdown-list { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
        .breakdown-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 13px 16px;
            font-size: 13px;
            border-bottom: 1px solid var(--border);
        }
        .breakdown-row:last-child { border-bottom: none; }
        .breakdown-row.total {
            background: var(--navy);
        }
        .breakdown-row.deduct { background: #F0FDF4; }
        .breakdown-key { color: var(--muted); }
        .breakdown-row.total .breakdown-key { color: #64748B; font-weight: 600; }
        .breakdown-row.deduct .breakdown-key { color: var(--green-dark); font-weight: 600; }
        .breakdown-val { font-weight: 700; color: var(--text); }
        .breakdown-row.total .breakdown-val { color: #34D399; font-size: 15px; }
        .breakdown-row.deduct .breakdown-val { color: var(--green); }

        /* Tax split */
        .tax-split {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }
        .tax-split-item {
            flex: 1;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
        }
        .tax-split-label {
            font-size: 11px;
            color: var(--muted);
            margin-bottom: 4px;
        }
        .tax-split-val {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
        }

        /* ─── Trade Table ─── */
        .table-toggle {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--green);
            cursor: pointer;
            padding: 12px 0;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .table-toggle-arrow {
            font-size: 10px;
            transition: transform 0.2s;
            color: var(--muted);
        }
        .table-toggle.open .table-toggle-arrow { transform: rotate(180deg); }
        .table-wrap {
            overflow-x: auto;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            -webkit-overflow-scrolling: touch;
        }
        /* 모바일 테이블 스크롤 힌트 */
        @media (max-width: 768px) {
            .table-wrap { position: relative; }
            .table-wrap::after {
                content: '← 좌우로 스크롤하세요';
                display: block;
                text-align: center;
                font-size: 11px;
                color: var(--muted-2);
                padding: 6px;
                background: var(--bg);
                border-top: 1px solid var(--border);
            }
        }
        table { width: 100%; border-collapse: collapse; font-size: 12px; }
        thead { background: var(--bg-2); }
        th {
            padding: 10px 14px;
            text-align: right;
            font-weight: 600;
            color: var(--muted);
            font-size: 10px;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }
        th:first-child { text-align: left; }
        td {
            padding: 10px 14px;
            text-align: right;
            color: var(--muted);
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }
        td:first-child { text-align: left; color: var(--text); font-weight: 500; }
        tbody tr:hover { background: var(--bg); }
        tbody tr:last-child td { border-bottom: none; }
        .profit { color: var(--red); font-weight: 700; }
        .loss { color: var(--blue); font-weight: 700; }

        /* ─── DOWNLOAD ─── */
        .download-card { border-color: var(--green-mid); }
        .download-explain {
            background: var(--green-light);
            border: 1px solid var(--green-mid);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            font-size: 13px;
            color: var(--green-dark);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .toggle-row {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
        }
        .toggle-row input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin-top: 1px;
            accent-color: var(--green);
            cursor: pointer;
            flex-shrink: 0;
        }
        .toggle-label { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
        .toggle-desc { font-size: 12px; color: var(--muted); line-height: 1.6; }

        /* ─── GUIDE ─── */
        .guide-steps { display: flex; flex-direction: column; gap: 0; }
        .guide-step {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
        }
        .guide-step:last-child { border-bottom: none; }
        .guide-num {
            width: 30px;
            height: 30px;
            background: var(--navy);
            color: #34D399;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .guide-content { flex: 1; }
        .guide-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .guide-desc { font-size: 13px; color: var(--muted); line-height: 1.6; }
        .guide-tip {
            background: #FFFBEB;
            border: 1px solid #FDE68A;
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            font-size: 13px;
            color: #92400E;
            margin-top: 16px;
            line-height: 1.7;
        }
        .guide-tip strong { color: #78350F; }

        /* ─── ADD MORE ─── */
        .add-more-wrap {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        /* ─── SECTIONS (full-width) ─── */
        .section-full { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
        .section-inner { max-width: 1100px; margin: 0 auto; padding: 56px 24px; }
        .section-label {
            font-size: 11px;
            font-weight: 700;
            color: var(--green);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .section-sub { font-size: 15px; color: var(--muted); margin-bottom: 40px; }

        /* ─── TRUST ─── */
        .trust-section { background: var(--navy); }
        .trust-inner { max-width: 1100px; margin: 0 auto; padding: 56px 24px; }
        .trust-title {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.4px;
            margin-bottom: 32px;
            text-align: center;
        }
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .trust-item {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
        }
        .trust-icon {
            font-size: 28px;
            margin-bottom: 12px;
            display: block;
        }
        .trust-item-title {
            font-size: 14px;
            font-weight: 700;
            color: #E2E8F0;
            margin-bottom: 6px;
        }
        .trust-item-desc { font-size: 12px; color: #64748B; line-height: 1.6; }

        /* ─── WHO SECTION ─── */
        .who-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .who-card {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            background: var(--card);
            transition: all 0.2s;
        }
        .who-card:hover {
            border-color: var(--green);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .who-emoji { font-size: 28px; margin-bottom: 14px; display: block; }
        .who-card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
            letter-spacing: -0.2px;
        }
        .who-card-desc { font-size: 13px; color: var(--muted); line-height: 1.7; }
        .who-card-desc strong { color: var(--text-2); }
        .who-tag {
            display: inline-flex;
            align-items: center;
            background: var(--green-light);
            border: 1px solid var(--green-mid);
            color: var(--green-dark);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            margin-top: 14px;
        }

        /* ─── HOW IT WORKS ─── */
        .how-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .how-step {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 20px;
            position: relative;
            transition: border-color 0.2s;
        }
        .how-step:hover { border-color: var(--green); }
        .how-step-num {
            width: 32px;
            height: 32px;
            background: var(--green);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .how-step-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .how-step-desc { font-size: 12px; color: var(--muted); line-height: 1.6; }

        /* ─── FAQ ─── */
        .faq-wrap { max-width: 760px; margin: 0 auto; }
        .faq-list { display: flex; flex-direction: column; gap: 8px; }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .faq-q {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: background 0.15s;
        }
        .faq-q:hover { background: var(--bg); }
        .faq-arrow {
            font-size: 10px;
            color: var(--muted);
            transition: transform 0.2s;
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow { transform: rotate(180deg); }
        .faq-a {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.75;
            padding: 0 20px 18px;
            display: none;
        }
        .faq-item.open .faq-a { display: block; }

        /* ─── FORMULA ─── */
        .formula-box {
            background: var(--navy);
            border-radius: var(--radius);
            padding: 28px;
            margin-top: 16px;
        }
        .formula-text {
            font-size: 16px;
            font-weight: 700;
            color: #34D399;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .formula-detail {
            font-size: 13px;
            color: #64748B;
            line-height: 1.8;
        }
        .formula-detail strong { color: #CBD5E1; }

        /* ─── BROKER TAGS ─── */
        .broker-tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
        .broker-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-2);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-2);
        }

        /* ─── FEEDBACK ─── */
        .feedback-section {
            background: var(--bg-2);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 56px 0;
        }
        .feedback-inner { max-width: 680px; margin: 0 auto; padding: 0 24px; }
        .feedback-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.4px;
            margin-bottom: 6px;
            text-align: center;
        }
        .feedback-sub { font-size: 13px; color: var(--muted); text-align: center; margin-bottom: 28px; }
        .reaction-label {
            font-size: 11px;
            font-weight: 600;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            text-align: center;
            margin-bottom: 12px;
        }
        .reaction-list { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 24px; }
        .reaction-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 9px 16px;
            background: var(--card);
            border: 1.5px solid var(--border);
            border-radius: 100px;
            cursor: pointer;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            transition: all 0.15s;
        }
        .reaction-btn:hover { border-color: var(--green); color: var(--text); background: var(--green-light); }
        .reaction-btn.active { background: var(--green-light); border-color: var(--green); color: var(--green-dark); font-weight: 600; }
        .r-icon { font-size: 15px; }
        .r-count {
            font-size: 11px;
            font-weight: 700;
            background: var(--bg-2);
            padding: 1px 7px;
            border-radius: 20px;
            color: var(--muted);
        }
        .reaction-btn.active .r-count { background: rgba(5,150,105,0.15); color: var(--green-dark); }
        .comment-form-wrap {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            margin-bottom: 20px;
        }
        .comment-form-row { display: flex; gap: 10px; margin-bottom: 10px; }
        .comment-input {
            flex: 1;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 13px;
            color: var(--text);
            outline: none;
            font-family: inherit;
            transition: border-color 0.15s;
        }
        .comment-input:focus { border-color: var(--green); }
        .comment-textarea {
            width: 100%;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 13px;
            color: var(--text);
            outline: none;
            resize: vertical;
            font-family: inherit;
            line-height: 1.6;
            transition: border-color 0.15s;
        }
        .comment-textarea:focus { border-color: var(--green); }
        .comment-textarea::placeholder, .comment-input::placeholder { color: var(--muted-2); }
        .comment-char { text-align: right; font-size: 11px; color: var(--muted); margin-top: 6px; }
        .comment-submit { padding: 10px 20px; font-size: 13px; }
        .comment-list { display: flex; flex-direction: column; gap: 10px; }
        .comment-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
        }
        .comment-meta { display: flex; justify-content: space-between; margin-bottom: 8px; }
        .comment-name { font-size: 13px; font-weight: 700; color: var(--text); }
        .comment-date { font-size: 11px; color: var(--muted); }
        .comment-body { font-size: 13px; color: var(--muted); line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
        .comment-empty { text-align: center; padding: 24px; font-size: 13px; color: var(--muted-2); }

        /* ─── FOOTER ─── */
        .footer {
            background: var(--navy);
            padding: 36px 24px;
            text-align: center;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-logo img { width: 24px; height: 24px; border-radius: 6px; object-fit: cover; }
        .footer-logo-text { font-size: 15px; font-weight: 700; color: #fff; }
        .footer-logo-text span { color: #34D399; }
        .footer-disclaimer { font-size: 12px; color: #475569; line-height: 1.7; max-width: 480px; margin: 0 auto 14px; }
        .footer-links { display: flex; justify-content: center; gap: 16px; margin-bottom: 14px; }
        .footer-links a { font-size: 12px; color: #475569; text-decoration: none; transition: color 0.15s; }
        .footer-links a:hover { color: #34D399; }
        .footer-copy { font-size: 11px; color: #334155; }

        /* ─── AD WRAP ─── */
        .ad-wrap { max-width: 1100px; margin: 0 auto; padding: 8px 24px; }

        /* ─── MOBILE ─── */
        @media (max-width: 768px) {
            .nav-right { display: none; }
            .nav-hamburger { display: flex; }
            .hero h1 { font-size: 28px; }
            .hero-sub { font-size: 14px; }
            .hero-stats { gap: 20px; }
            .hero-stat-num { font-size: 18px; }
            .target-divider { display: none; }
            .target-inner { gap: 12px; flex-direction: column; align-items: flex-start; }
            .main-wrap { padding: 32px 16px 48px; }
            .card { padding: 24px 20px; }
            .metric-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
            .metric-value { font-size: 20px; }
            .trust-grid { grid-template-columns: 1fr; }
            .who-grid { grid-template-columns: 1fr; }
            .how-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-nav { gap: 0; }
            .step-item { padding: 6px 12px; font-size: 11px; }
            .step-connector { width: 12px; }
            .trade-summary { flex-direction: column; }
            .tax-split { flex-direction: column; }
            .section-title { font-size: 20px; }
        }
        .formula-two-col { grid-template-columns: 1fr !important; }
        @media (max-width: 768px) { .formula-two-col { grid-template-columns: 1fr !important; } }
        @media (max-width: 480px) {
            .hero h1 { font-size: 24px; }
            .hero-logo-name { font-size: 22px; }
            .hero-logo img { width: 42px; height: 42px; }
            .how-grid { grid-template-columns: 1fr; }
            .metric-grid { grid-template-columns: 1fr; }
            .hero-stats { flex-direction: column; gap: 16px; }
        }

        /* ─── 카카오 공유 버튼 ─── */
        .btn-kakao {
            background: #FEE500;
            color: #191919;
            border: none;
            font-weight: 700;
        }
        .btn-kakao:hover { background: #F5DC00; color: #191919; }

        /* ─── 절세 시뮬레이터 ─── */
        .sim-card { max-width: 680px; margin: 0 auto; }
        .sim-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .sim-field { display: flex; flex-direction: column; gap: 6px; }
        .sim-label { font-size: 13px; font-weight: 600; color: var(--text-2); }
        .sim-input {
            padding: 12px 14px;
            border: 1.5px solid var(--border-2);
            border-radius: var(--radius-sm);
            font-size: 16px;
            color: var(--text);
            background: var(--bg);
            transition: border-color 0.2s;
            outline: none;
            width: 100%;
            font-family: inherit;
        }
        .sim-input:focus { border-color: var(--green); background: #fff; box-shadow: 0 0 0 3px rgba(5,150,105,0.1); }
        .sim-input--error {
            border-color: var(--red) !important;
            animation: shake 0.35s ease;
        }
        @keyframes shake {
            0%,100% { transform: translateX(0); }
            20%     { transform: translateX(-6px); }
            60%     { transform: translateX(6px); }
        }
        .sim-hint { font-size: 11px; color: var(--muted); }
        .sim-result {
            margin-top: 24px;
            padding: 20px;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .sim-result-grid {
            display: grid;
            grid-template-columns: 1fr auto 1fr 1fr;
            gap: 12px;
            align-items: center;
            margin-bottom: 16px;
        }
        .sim-arrow { font-size: 22px; color: var(--muted-2); text-align: center; }
        .sim-result-item { text-align: center; padding: 12px 8px; }
        .sim-highlight {
            background: var(--green-light);
            border-radius: var(--radius-sm);
        }
        .sim-result-label { font-size: 11px; color: var(--muted); margin-bottom: 6px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
        .sim-result-val { font-size: 17px; font-weight: 700; color: var(--text); }
        .sim-save { color: var(--green) !important; font-size: 20px; }
        .sim-desc {
            font-size: 13px;
            color: var(--text-2);
            line-height: 1.7;
            padding: 12px 14px;
            background: #fff;
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--green);
        }
        @media (max-width: 600px) {
            .sim-grid { grid-template-columns: 1fr; }
            .sim-result-grid { grid-template-columns: 1fr 1fr; }
            .sim-arrow { display: none; }
            .sim-result-val { font-size: 15px; }
        }

        /* ─── 기한후 신고 가산세 계산기 ─── */
        .penalty-card { border-left: 3px solid #F59E0B; }
        .penalty-desc { font-size: 13px; color: var(--muted); margin-bottom: 16px; line-height: 1.6; }
        .penalty-toggle { margin-bottom: 12px; font-size: 14px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 8px; cursor: pointer; }
        .penalty-toggle input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--green); cursor: pointer; }
        .penalty-grid { display: -ms-grid; display: grid; -ms-grid-columns: 1fr 16px 1fr 16px 1fr; grid-template-columns: repeat(3, 1fr); gap: 16px; }
        .penalty-field label { font-size: 13px; font-weight: 600; color: var(--text); display: block; margin-bottom: 6px; }
        .penalty-input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; box-sizing: border-box; min-height: 44px; }
        .penalty-hint { font-size: 11px; color: var(--muted); margin-top: 4px; }
        .penalty-result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 20px; }
        .penalty-result-item { background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 16px; text-align: center; }
        .penalty-result-label { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
        .penalty-result-val { font-size: 20px; font-weight: 800; color: var(--text); }
        .penalty-result-val.penalty-warn { color: #EF4444; }
        .penalty-result-sub { font-size: 11px; color: var(--muted); margin-top: 4px; }
        .penalty-total { grid-column: 1 / -1; background: #FEF3C7; border-color: #F59E0B; }
        .penalty-total .penalty-result-val { color: #D97706; font-size: 24px; }
        .penalty-notice { background: #FFF7ED; border: 1px solid #FDBA74; border-radius: 8px; padding: 12px 16px; font-size: 12px; color: #9A3412; line-height: 1.6; margin-top: 16px; }
        .penalty-breakdown { margin-top: 16px; }
        .penalty-breakdown-title { font-size: 13px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
        .penalty-breakdown-list { font-size: 12px; color: var(--muted); line-height: 2; border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; background: var(--bg); }
        .penalty-breakdown-list strong { color: var(--text); }
        @media (max-width: 768px) {
            .penalty-grid { grid-template-columns: 1fr; -ms-grid-columns: 1fr; }
            .penalty-result-grid { grid-template-columns: 1fr; }
            .penalty-total { grid-column: auto; }
        }

        /* ─── 이용 후기 (Testimonials) ─── */
        .testimonial-section { background: var(--card); }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        .testimonial-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.2s, transform 0.2s;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .testimonial-stars { color: #F59E0B; font-size: 16px; letter-spacing: 2px; }
        .testimonial-text {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.75;
            flex: 1;
            margin: 0;
            font-style: normal;
            quotes: none;
        }
        .testimonial-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .testimonial-name { font-size: 13px; font-weight: 700; color: var(--text); }
        .testimonial-broker {
            font-size: 11px;
            color: var(--green-dark);
            background: var(--green-light);
            padding: 3px 8px;
            border-radius: 20px;
            font-weight: 600;
        }
        @media (max-width: 900px) {
            .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 560px) {
            .testimonial-grid {
                grid-template-columns: unset;
                display: flex;
                flex-wrap: nowrap;
                overflow-x: auto;
                gap: 16px;
                padding-bottom: 12px;
                scroll-snap-type: x mandatory;
                -webkit-overflow-scrolling: touch;
            }
            .testimonial-card {
                min-width: 280px;
                scroll-snap-align: start;
                flex-shrink: 0;
            }
        }