* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --bg: #f4f7fb;
            --surface: #ffffff;
            --surface-subtle: #f8fafd;
            --surface-raised: #fbfdff;
            --ink: #132238;
            --ink-strong: #071526;
            --muted: #52657c;
            --muted-soft: #6b7c91;
            --line: #dce5ef;
            --line-soft: #edf2f7;
            --brand: #1e4f86;
            --brand-strong: #153d68;
            --brand-soft: #eaf2fb;
            --success: #0f7a45;
            --success-soft: #e9f8f0;
            --danger: #b42318;
            --danger-soft: #fff0ee;
            --warning: #b56a00;
            --warning-soft: #fff7df;
            --focus: rgba(30, 79, 134, 0.22);
            --shadow-sm: 0 2px 8px rgba(15, 35, 60, 0.06);
            --shadow-md: 0 10px 28px rgba(15, 35, 60, 0.10);
            --radius: 10px;
            --radius-lg: 12px;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg);
            color: var(--ink);
            padding: 0 16px 24px;
            padding-top: 100px;
            line-height: 1.6;
            text-rendering: optimizeLegibility;
        }
        .container {
            max-width: 1100px;
            margin: 0 auto;
        }

        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--line-soft);
            padding: 14px 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow 0.2s;
            backdrop-filter: blur(10px);
        }
        .header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-left .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: -0.4px;
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }
        .header-left .logo span {
            color: var(--brand);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .lang-selector select {
            appearance: none;
            -webkit-appearance: none;
            background: var(--surface-subtle);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 5px 30px 5px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--ink);
            cursor: pointer;
            transition: border 0.2s, background 0.2s;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a5a72' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            background-size: 10px;
            line-height: 1.4;
        }
        .lang-selector select:hover {
            border-color: #b0c4de;
        }
        .lang-selector select:focus {
            outline: none;
            border-color: var(--brand);
            box-shadow: 0 0 0 4px var(--focus);
        }

        .page-title {
            margin: 12px 0 6px;
        }
        .page-title h1 {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink-strong);
            letter-spacing: -0.3px;
        }
        .page-title .sub {
            font-size: 15px;
            color: var(--muted);
            margin-top: 2px;
        }

        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 30px 30px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 24px;
            border: 1px solid var(--line-soft);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .card:hover {
            border-color: var(--line);
            box-shadow: 0 4px 14px rgba(15, 35, 60, 0.07);
        }
        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--ink-strong);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--line-soft);
            display: flex;
            align-items: center;
            gap: 10px;
            justify-content: space-between;
        }
        .card-title .badge {
            background: var(--brand-soft);
            color: var(--brand-strong);
            font-size: 12px;
            border-radius: 999px;
            padding: 0 10px;
            line-height: 24px;
            font-weight: 500;
        }

        .input-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px 20px;
        }
        .input-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 4px;
        }
        .input-group .hint {
            font-size: 12px;
            color: var(--muted-soft);
            margin-top: 3px;
        }
        .input-group input {
            width: 100%;
            min-height: 44px;
            padding: 10px 13px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            font-size: 15px;
            color: var(--ink);
            background: var(--surface-raised);
            transition: border 0.2s, box-shadow 0.2s;
        }
        .input-group input:focus {
            outline: none;
            border-color: var(--brand);
            box-shadow: 0 0 0 4px var(--focus);
        }
        .email-capture-field input {
            background: #fff;
        }
        .input-group input.is-invalid {
            border-color: var(--danger);
            box-shadow: 0 0 0 4px rgba(180, 35, 24, 0.12);
        }
        .lead-honeypot {
            position: absolute;
            left: -9999px;
            width: 1px;
            height: 1px;
            opacity: 0;
            pointer-events: none;
        }

        .privacy-row {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin: 20px 0 14px;
            font-size: 13px;
            color: var(--muted);
        }
        .privacy-row input {
            margin-top: 4px;
            accent-color: var(--brand);
            flex-shrink: 0;
        }
        .privacy-row a {
            color: var(--brand);
            font-weight: 500;
        }

        .btn-primary {
            width: 100%;
            min-height: 52px;
            padding: 15px 18px;
            background: var(--brand);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
            letter-spacing: 0;
            box-shadow: 0 4px 10px rgba(30, 79, 134, 0.22);
        }
        .btn-primary:hover {
            background: var(--brand-strong);
            box-shadow: 0 6px 14px rgba(30, 79, 134, 0.24);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }

        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .scene-item {
            padding: 18px 22px;
            border-radius: var(--radius);
            background: var(--surface-subtle);
            border: 1px solid var(--line-soft);
        }
        .scene-item h4 {
            font-size: 16px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .scene-item.bad h4 {
            color: #b91c1c;
        }
        .scene-item.good h4 {
            color: var(--success);
        }
        .scene-item p {
            font-size: 14px;
            color: var(--ink);
            line-height: 1.8;
            margin-bottom: 2px;
        }
        .scene-item p b {
            color: var(--ink);
        }

        .results {
            display: none;
            scroll-margin-top: 92px;
        }
        .results.show {
            display: block;
            animation: fadeUp 0.5s ease;
        }
        @keyframes fadeUp {
            0% {
                opacity: 0;
                transform: translateY(16px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .benefit-loss-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 10px;
        }
        .benefit-loss-grid .col {
            min-width: 0;
        }

        .benefit-list {
            margin-bottom: 20px;
        }
        .benefit-row {
            padding: 12px 0;
            border-bottom: 1px solid var(--line-soft);
        }
        .benefit-row:last-child {
            border-bottom: none;
        }
        .benefit-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px 16px;
        }
        .benefit-title {
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
        }
        .benefit-value {
            font-size: 17px;
            font-weight: 700;
            color: var(--success);
            white-space: nowrap;
        }
        .formula {
            font-family: 'SF Mono', 'Courier New', monospace;
            font-size: 12px;
            color: var(--muted);
            background: var(--surface-subtle);
            padding: 8px 12px;
            border-radius: 8px;
            margin-top: 8px;
            line-height: 1.7;
            border: 1px solid var(--line-soft);
        }
        .formula b {
            color: #b91c1c;
            font-family: inherit;
        }

        .total-box {
            background: var(--success-soft);
            border: 1px solid #a7f0c5;
            border-radius: var(--radius);
            padding: 18px 24px;
            text-align: center;
            margin: 12px 0 0;
        }
        .total-box .label {
            font-size: 14px;
            color: var(--success);
            font-weight: 500;
        }
        .total-box .value {
            font-size: 36px;
            font-weight: 700;
            color: var(--success);
            letter-spacing: 0;
            margin-top: 4px;
        }

        .loss-bill {
            background: var(--danger-soft);
            border: 1px solid #f4b3ad;
            border-radius: var(--radius);
            padding: 16px 20px 20px;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .loss-bill h3 {
            color: var(--danger);
            font-size: 16px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .loss-item {
            display: flex;
            justify-content: space-between;
            padding: 6px 0;
            border-bottom: 1px solid #f8cfcb;
            font-size: 13px;
            color: #7f241e;
        }
        .loss-item:last-of-type {
            border-bottom: none;
        }
        .loss-total {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid #ee9b94;
            font-size: 18px;
            font-weight: 700;
            color: var(--danger);
            flex-shrink: 0;
        }
        .loss-note {
            font-size: 12px;
            color: #92400e;
            text-align: center;
            margin-top: 10px;
            font-style: italic;
            flex-shrink: 0;
        }

        #costChart {
            width: 100%;
            height: 380px;
            margin: 8px 0 10px;
        }

        .versus-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 8px;
        }
        .vs-card {
            padding: 24px 26px 26px;
            border-radius: var(--radius-lg);
            text-align: center;
            position: relative;
            border: 1px solid var(--line-soft);
            background: var(--surface-raised);
        }
        .vs-card.yearly {
            border-color: #b8d3ef;
            background: #f2f7fd;
        }
        .vs-card.lifetime {
            border-color: #efd184;
            background: var(--warning-soft);
        }
        .vs-card.lifetime::before {
            content: none;
            display: none;
        }
        .lifetime-ribbon {
            position: absolute;
            top: -1px;
            right: 24px;
            background: var(--warning);
            color: #fff;
            padding: 2px 20px;
            font-size: 12px;
            font-weight: 700;
            border-radius: 0 0 10px 10px;
        }
        .vs-card h3 {
            font-size: 20px;
            margin-bottom: 4px;
        }
        .vs-card.yearly h3 {
            color: #1a56b6;
        }
        .vs-card.lifetime h3 {
            color: #b45309;
        }
        .vs-card .price {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 8px;
        }
        .vs-card .days {
            font-size: 32px;
            font-weight: 700;
            color: var(--ink-strong);
            margin: 12px 0 8px;
        }
        .vs-card .desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            min-height: 40px;
        }
        .vs-card .killer {
            background: #fef3c7;
            color: #92400e;
            padding: 10px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            margin-top: 14px;
            line-height: 1.5;
        }
        .vs-card.lifetime .killer {
            background: #d1fae5;
            color: #065f46;
        }

        .safety-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-top: 6px;
        }
        .safety-item {
            background: var(--surface-subtle);
            padding: 18px 16px;
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid var(--line-soft);
        }
        .safety-item .icon {
            font-size: 26px;
            display: block;
            margin-bottom: 6px;
        }
        .safety-item .title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-strong);
        }
        .safety-item .desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.5;
            margin-top: 4px;
        }

        .cta-area {
            display: flex;
            gap: 16px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .cta-btn {
            flex: 1;
            min-width: 180px;
            min-height: 50px;
            padding: 14px 22px;
            text-align: center;
            text-decoration: none;
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 600;
            transition: background 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .cta-btn.free {
            background: #fff;
            color: var(--success);
            border-color: #9fdfbd;
        }
        .cta-btn.free:hover {
            background: #f0fdf4;
            transform: translateY(-2px);
        }
        .cta-btn.lifetime {
            background: var(--warning);
            color: #fff;
            border-color: var(--warning);
        }
        .cta-btn.lifetime:hover {
            background: #d97706;
            border-color: #d97706;
            transform: translateY(-2px);
        }

        .disclaimer {
            font-size: 12px;
            color: var(--muted-soft);
            text-align: center;
            margin-top: 18px;
            line-height: 1.6;
            text-rendering: optimizeLegibility;
        }

        .floating {
            position: fixed;
            right: 20px;
            bottom: 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }
        .floating a {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            text-decoration: none;
            color: #fff;
            box-shadow: 0 6px 16px rgba(15, 35, 60, 0.16);
            transition: transform 0.2s;
        }
        .floating a:hover {
            transform: translateY(-2px);
        }
        .floating .wechat {
            background: #07c160;
            position: relative;
        }
        .floating .online {
            background: var(--brand);
        }
        .qr-tip {
            position: absolute;
            right: 66px;
            bottom: 0;
            background: #fff;
            padding: 12px 14px 14px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            display: none;
            white-space: nowrap;
            text-align: center;
        }
        .qr-tip::after {
            content: '';
            position: absolute;
            right: -6px;
            top: 50%;
            transform: translateY(-50%);
            border: 6px solid transparent;
            border-left-color: #fff;
        }
        .qr-tip img {
            width: 120px;
            height: 120px;
            display: block;
            border-radius: 8px;
            background: #eee;
        }
        .qr-tip p {
            font-size: 13px;
            color: var(--ink);
            margin-top: 6px;
            font-weight: 500;
        }
        .floating .wechat:hover .qr-tip {
            display: block;
        }

        .btn-primary:focus-visible,
        .cta-btn:focus-visible,
        .floating a:focus-visible,
        .back-link:focus-visible,
        .lang-selector select:focus-visible,
        .privacy-row input:focus-visible {
            outline: 3px solid var(--focus);
            outline-offset: 2px;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.001ms !important;
                animation-iteration-count: 1 !important;
                scroll-behavior: auto !important;
                transition-duration: 0.001ms !important;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 78px;
            }
            .header {
                padding: 10px 16px;
                flex-wrap: nowrap;
                gap: 8px;
            }
            .header-left .logo {
                font-size: 17px;
            }
            .header-left .back-link {
                display: none;
            }
            .lang-selector select {
                font-size: 12px;
                padding: 4px 26px 4px 10px;
                background-position: right 8px center;
                background-size: 9px;
            }
            .page-title h1 {
                font-size: 20px;
            }
            .input-grid {
                grid-template-columns: 1fr 1fr;
            }
            .scene-grid,
            .versus-grid {
                grid-template-columns: 1fr;
            }
            .safety-grid {
                grid-template-columns: 1fr 1fr;
            }
            .card {
                padding: 20px 16px;
            }
            .benefit-loss-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .total-box .value {
                font-size: 28px;
            }
            .cta-area {
                flex-direction: column;
            }
            .cta-btn {
                min-width: auto;
            }
            .floating {
                right: 12px;
                bottom: 16px;
            }
            .floating a {
                width: 48px;
                height: 48px;
                font-size: 20px;
            }
            .qr-tip {
                right: 56px;
            }
            .qr-tip img {
                width: 100px;
                height: 100px;
            }
        }
        @media (max-width: 500px) {
            body {
                padding-top: 66px;
            }
            .header {
                padding: 6px 12px;
            }
            .header-left .logo {
                font-size: 15px;
            }
            .header-left .back-link {
                font-size: 12px;
            }
            .lang-selector select {
                font-size: 12px;
                padding: 3px 22px 3px 8px;
            }
            .input-grid {
                grid-template-columns: 1fr;
            }
            .safety-grid {
                grid-template-columns: 1fr;
            }
            .page-title h1 {
                font-size: 18px;
            }
            .benefit-loss-grid {
                grid-template-columns: 1fr;
            }
        }

        :root {
            --bg: #E8F4F2;
            --surface: #F4FAFA;
            --surface-subtle: rgba(255, 255, 255, 0.72);
            --surface-raised: #FFFFFF;
            --ink: #0D1E1C;
            --ink-strong: #071512;
            --muted: #3A5C58;
            --muted-soft: #5F7D79;
            --line: rgba(13, 30, 28, 0.12);
            --line-soft: rgba(13, 30, 28, 0.08);
            --brand: #1A7A6E;
            --brand-strong: #12665C;
            --brand-soft: rgba(26, 122, 110, 0.08);
            --success: #1A7A6E;
            --success-soft: rgba(26, 122, 110, 0.09);
            --danger: #B64232;
            --danger-soft: #FFF3F1;
            --warning: #B7791F;
            --warning-soft: #FFF8E8;
            --focus: rgba(26, 122, 110, 0.22);
            --shadow-sm: 0 2px 12px rgba(13, 30, 28, 0.06);
            --shadow-md: 0 8px 32px rgba(13, 30, 28, 0.10);
            --shadow-lg: 0 24px 64px rgba(13, 30, 28, 0.13);
            --radius: 16px;
            --radius-lg: 24px;
            --silk: cubic-bezier(0.16, 1, 0.3, 1);
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }
        body {
            font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background:
                radial-gradient(circle at 12% 8%, rgba(91, 191, 181, 0.22), transparent 28rem),
                linear-gradient(180deg, #E8F4F2 0%, #F4FAFA 48%, #E8F4F2 100%);
            color: var(--ink);
            padding: 0 0 40px;
            padding-top: 82px;
            overflow-x: hidden;
        }
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: 0.022;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
            background-size: 128px 128px;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        .container {
            max-width: 1160px;
            padding: 0 32px;
            position: relative;
            z-index: 1;
        }
        .header {
            padding: 18px 32px;
            background: rgba(232, 244, 242, 0.88);
            border-bottom: 1px solid var(--line-soft);
            box-shadow: none;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .header .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .header.scrolled {
            box-shadow: 0 1px 0 var(--line-soft);
        }
        .header-left .logo {
            color: var(--ink);
            letter-spacing: -0.04em;
        }
        .header-left .logo span {
            color: var(--brand);
        }
        .header-left,
        .header-right {
            display: flex;
            align-items: center;
        }
        .header-right {
            margin-left: auto;
        }
        .header-left .back-link,
        .lang-selector select {
            color: var(--muted);
        }
        .lang-selector select {
            background-color: rgba(255, 255, 255, 0.72);
            border-color: var(--line-soft);
            border-radius: 999px;
        }
        .page-title {
            margin: 0;
        }
        .roi-hero {
            min-height: 520px;
            display: grid;
            grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
            gap: clamp(28px, 5vw, 70px);
            align-items: center;
            padding: clamp(54px, 8vw, 92px) 0 clamp(34px, 6vw, 72px);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            width: fit-content;
            padding: 7px 14px;
            border-radius: 999px;
            background: var(--brand-soft);
            border: 1px solid rgba(26, 122, 110, 0.15);
            color: var(--brand);
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .hero-badge::before {
            content: '';
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--brand);
        }
        .roi-hero h1 {
            max-width: 740px;
            font-size: clamp(2.5rem, 6vw, 5.8rem);
            line-height: 0.98;
            letter-spacing: -0.04em;
            color: var(--ink-strong);
            text-wrap: balance;
        }
        .roi-hero h1 em {
            font-family: 'Playfair Display', serif;
            color: var(--brand);
            font-style: italic;
            letter-spacing: -0.03em;
        }
        .hero-sub {
            max-width: 650px;
            margin-top: 22px;
            font-size: clamp(1rem, 1.8vw, 1.18rem);
            line-height: 1.85;
            color: var(--muted);
            text-wrap: pretty;
        }
        .hero-proof {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 30px;
        }
        .hero-proof span {
            display: inline-flex;
            align-items: center;
            min-height: 38px;
            padding: 8px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.7);
            color: var(--muted);
            border: 1px solid var(--line-soft);
            font-size: 14px;
            font-weight: 600;
        }
        .hero-panel {
            position: relative;
            padding: 28px;
            border-radius: 24px;
            background: #FFFFFF;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }
        .hero-panel::before {
            content: '';
            position: absolute;
            inset: 0 0 auto 0;
            height: 8px;
            background: linear-gradient(90deg, var(--brand), var(--accent-light, #5BBFB5));
        }
        .panel-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--line-soft);
        }
        .panel-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
        }
        .panel-status {
            display: inline-flex;
            padding: 5px 10px;
            border-radius: 999px;
            color: var(--brand);
            background: var(--brand-soft);
            font-size: 12px;
            font-weight: 700;
        }
        .leak-list {
            display: grid;
            gap: 14px;
            margin: 22px 0;
        }
        .leak-item {
            display: flex;
            justify-content: space-between;
            gap: 18px;
            padding: 14px 0;
            border-bottom: 1px solid var(--line-soft);
            color: var(--muted);
            font-size: 14px;
        }
        .leak-item strong {
            color: var(--ink);
            white-space: nowrap;
        }
        .panel-total {
            padding: 18px;
            border-radius: 16px;
            background: var(--brand-soft);
        }
        .panel-total span {
            display: block;
            color: var(--muted);
            font-size: 13px;
            font-weight: 700;
        }
        .panel-total strong {
            display: block;
            margin-top: 4px;
            color: var(--brand);
            font-size: clamp(2rem, 4vw, 3.2rem);
            letter-spacing: -0.04em;
            line-height: 1;
        }
        .card {
            background: rgba(255, 255, 255, 0.78);
            border: 1px solid var(--line-soft);
            border-radius: var(--radius-lg);
            box-shadow: none;
            padding: clamp(22px, 3vw, 34px);
            backdrop-filter: blur(10px);
        }
        .card:hover {
            border-color: rgba(26, 122, 110, 0.18);
            box-shadow: none;
        }
        .card-title {
            color: var(--ink);
            border-bottom-color: var(--line-soft);
            font-size: 18px;
            letter-spacing: -0.01em;
        }
        .card-title .badge {
            background: var(--brand-soft);
            color: var(--brand);
        }
        .input-grid {
            grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
            gap: 20px;
        }
        .input-group label {
            color: var(--ink);
            font-weight: 700;
        }
        .input-group .hint {
            color: var(--muted-soft);
        }
        .input-group input {
            min-height: 48px;
            border-radius: 14px;
            border-color: var(--line-soft);
            background: #FFFFFF;
            color: var(--ink);
        }
        .input-group input:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px var(--focus);
        }
        .privacy-row {
            color: var(--muted);
        }
        .privacy-row a {
            color: var(--brand);
            font-weight: 700;
        }
        .btn-primary,
        .cta-btn {
            border-radius: 999px;
            font-family: inherit;
        }
        .btn-primary {
            background: var(--brand);
            box-shadow: 0 4px 16px rgba(26, 122, 110, 0.25);
            transition: background 0.5s var(--silk), transform 0.5s var(--silk), box-shadow 0.5s var(--silk);
        }
        .btn-primary:hover {
            background: #2A9D8F;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(26, 122, 110, 0.35);
        }
        .scene-grid,
        .benefit-loss-grid,
        .versus-grid {
            gap: 20px;
        }
        .scene-item,
        .safety-item,
        .vs-card,
        .loss-bill {
            border-radius: 18px;
            border-color: var(--line-soft);
            box-shadow: none;
        }
        .scene-item.good {
            background: var(--brand-soft);
        }
        .scene-item.good h4,
        .benefit-value,
        .total-box .label,
        .total-box .value {
            color: var(--brand);
        }
        .scene-item.bad {
            background: var(--danger-soft);
        }
        .benefit-row {
            border-bottom-color: var(--line-soft);
        }
        .formula {
            font-family: 'DM Sans', sans-serif;
            background: rgba(244, 250, 250, 0.9);
            border-color: var(--line-soft);
            color: var(--muted);
        }
        .total-box {
            background: #FFFFFF;
            border: 1px solid rgba(26, 122, 110, 0.18);
            border-radius: 18px;
            text-align: left;
        }
        .total-box .value {
            font-size: clamp(2.1rem, 5vw, 4rem);
            letter-spacing: -0.04em;
        }
        .loss-bill {
            background: #FFF8F6;
        }
        .loss-item {
            color: #7C3028;
            border-bottom-color: rgba(182, 66, 50, 0.13);
        }
        .loss-total {
            border-top-color: rgba(182, 66, 50, 0.22);
        }
        .result-spotlight {
            background: var(--ink);
            color: #FFFFFF;
            overflow: hidden;
            position: relative;
        }
        .result-spotlight::after {
            content: '';
            position: absolute;
            right: -120px;
            top: -160px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(91, 191, 181, 0.22);
        }
        .result-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
            gap: clamp(22px, 4vw, 48px);
            align-items: center;
        }
        .result-kicker {
            display: inline-flex;
            padding: 7px 13px;
            border-radius: 999px;
            background: rgba(91, 191, 181, 0.16);
            color: #A8E4DE;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .result-spotlight h2 {
            font-size: clamp(2rem, 4vw, 3.8rem);
            line-height: 1.05;
            letter-spacing: -0.04em;
            text-wrap: balance;
        }
        .result-spotlight h2 em {
            color: #A8E4DE;
            font-family: 'Playfair Display', serif;
            font-style: italic;
        }
        .outcome-copy {
            margin-top: 16px;
            max-width: 620px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            line-height: 1.8;
        }
        .outcome-card {
            background: #FFFFFF;
            color: var(--ink);
            border-radius: 20px;
            padding: 24px;
        }
        .outcome-label {
            color: var(--muted);
            font-size: 13px;
            font-weight: 700;
        }
        .outcome-value {
            margin: 8px 0 16px;
            color: var(--brand);
            font-size: clamp(2.2rem, 5vw, 4.2rem);
            line-height: 1;
            letter-spacing: -0.04em;
            font-weight: 700;
        }
        .outcome-meta {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 10px;
            margin-bottom: 18px;
        }
        .outcome-meta div {
            border-radius: 14px;
            padding: 12px;
            background: var(--brand-soft);
        }
        .outcome-meta span {
            display: block;
            color: var(--muted);
            font-size: 12px;
        }
        .outcome-meta strong {
            display: block;
            color: var(--ink);
            font-size: 17px;
            margin-top: 3px;
        }
        .next-action {
            border-top: 1px solid var(--line-soft);
            padding-top: 16px;
        }
        .next-action strong {
            display: block;
            color: var(--ink);
            font-size: 15px;
            margin-bottom: 6px;
        }
        .next-action p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }
        .result-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 22px;
        }
        .result-actions a,
        .cta-btn {
            min-height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 22px;
            font-weight: 700;
            transition: transform 0.45s var(--silk), background 0.45s var(--silk), color 0.45s var(--silk);
        }
        .result-actions .primary,
        .cta-btn.lifetime {
            background: var(--brand);
            color: #FFFFFF;
            border: 1px solid var(--brand);
        }
        .result-actions .secondary,
        .cta-btn.free {
            background: #FFFFFF;
            color: var(--brand);
            border: 1px solid rgba(26, 122, 110, 0.22);
        }
        .result-actions a:hover,
        .cta-btn:hover {
            transform: translateY(-2px);
        }
        .vs-card.yearly {
            background: #FFFFFF;
            border-color: rgba(26, 122, 110, 0.16);
        }
        .vs-card.yearly h3 {
            color: var(--brand);
        }
        .vs-card.lifetime {
            background: var(--warning-soft);
            border-color: rgba(183, 121, 31, 0.2);
        }
        .vs-card.lifetime::before {
            content: none;
            display: none;
        }
        .lifetime-ribbon {
            background: var(--brand);
            border-radius: 0 0 12px 12px;
        }
        .vs-card .days {
            color: var(--ink);
            letter-spacing: -0.03em;
        }
        .vs-card .killer,
        .vs-card.lifetime .killer {
            border-radius: 14px;
            background: var(--brand-soft);
            color: var(--brand-strong);
        }
        .safety-item {
            background: #FFFFFF;
        }
        .floating a {
            background: var(--brand);
            box-shadow: 0 10px 24px rgba(26, 122, 110, 0.25);
        }
        .floating .online {
            background: var(--ink);
        }
        @media (max-width: 860px) {
            body {
                padding-top: 72px;
            }
            .container {
                padding: 0 20px;
            }
            .roi-hero,
            .result-grid {
                grid-template-columns: 1fr;
            }
            .hero-panel {
                order: -1;
            }
            .scene-grid,
            .benefit-loss-grid,
            .versus-grid {
                grid-template-columns: 1fr;
            }
            .header {
                padding: 12px 20px;
            }
            .header .nav-inner {
                padding: 0;
            }
        }
        @media (max-width: 560px) {
            .container {
                padding: 0 16px;
            }
            .header {
                gap: 10px;
            }
            .header .nav-inner {
                padding: 0;
            }
            .header-left {
                gap: 10px;
            }
            .header-left .logo {
                font-size: 17px;
            }
            .roi-hero {
                padding-top: 34px;
            }
            .hero-panel,
            .card,
            .outcome-card {
                border-radius: 18px;
            }
            .hero-proof span {
                width: 100%;
            }
            .outcome-meta {
                grid-template-columns: 1fr;
            }
            .floating {
                display: none;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                scroll-behavior: auto !important;
                transition-duration: 0.01ms !important;
            }
        }
        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.04em;
            color: Black;
        }
        .nav-logo span {
            color: #1A7A6E;
        }
        #wx-float-wrap {
            position: fixed;
            right: 20px;
            bottom: calc(80px + constant(safe-area-inset-bottom));
            bottom: calc(80px + env(safe-area-inset-bottom));
            z-index: 1200;
            pointer-events: none;
        }
        .wx-float-rail {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 8px;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 16px;
            box-shadow: 0 8px 14px rgba(15, 35, 60, 0.12);
        }
        .wx-float-action {
            position: relative;
            pointer-events: auto;
            width: 48px;
            height: 48px;
            border: 1px solid var(--line-soft);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--brand);
            -webkit-tap-highlight-color: transparent;
            cursor: pointer;
            text-decoration: none;
            transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
        }
        .wx-float-action svg {
            width: 26px;
            height: 26px;
            display: block;
            flex: 0 0 auto;
            pointer-events: none;
        }
        .wx-float-action svg * {
            pointer-events: none;
        }
        .wx-float-action--wechat {
            background: #fff;
        }
        .wx-float-action:hover,
        .wx-float-action:focus-visible {
            background: #fff;
            border-color: var(--line);
            transform: translateY(-1px);
        }
        .wx-float-action--wechat:hover,
        .wx-float-action--wechat:focus-visible {
            background: #fff;
        }
        .wx-float-action:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px var(--focus);
        }
        .wx-float-action:active {
            transform: translateY(0) scale(0.96);
        }
        .wx-float-tip {
            position: absolute;
            right: calc(100% + 10px);
            top: 50%;
            padding: 6px 10px;
            border-radius: 8px;
            background: var(--ink-strong);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            line-height: 1.3;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transform: translate(6px, -50%);
            transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
        }
        .wx-float-tip::after {
            content: "";
            position: absolute;
            right: -5px;
            top: 50%;
            width: 10px;
            height: 10px;
            background: var(--ink-strong);
            transform: translateY(-50%) rotate(45deg);
        }
        .wx-float-action:hover .wx-float-tip,
        .wx-float-action:focus-visible .wx-float-tip {
            opacity: 1;
            visibility: visible;
            transform: translate(0, -50%);
        }
        #wx-toast {
            position: absolute;
            right: 0;
            bottom: calc(100% + 10px);
            pointer-events: none;
            padding: 10px 14px;
            background: var(--ink-strong);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.35;
            border-radius: 10px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
            white-space: nowrap;
        }
        #wx-toast.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        @media (max-width: 640px) {
            #wx-float-wrap {
                right: 50%;
                bottom: calc(16px + env(safe-area-inset-bottom));
                transform: translateX(50%);
            }
            .wx-float-rail {
                flex-direction: row;
                border-radius: 16px;
            }
            .wx-float-tip {
                display: none;
            }
            #wx-toast {
                right: 50%;
                bottom: calc(100% + 10px);
                transform: translate(50%, 8px);
            }
            #wx-toast.show {
                transform: translate(50%, 0);
            }
        }
        @media (prefers-reduced-motion: reduce) {
            .wx-float-action,
            .wx-float-tip,
            #wx-toast {
                transition: none;
            }
        }