* { margin: 0; padding: 0; box-sizing: border-box; }

        :root {
            --orange: #ea580c;
            --orange-hover: #c2410c;
            --orange-bg: #fff7ed;
            --orange-border: #ffedd5;
            --whatsapp: #25D366;
            --whatsapp-hover: #1ebe57;
            --text-dark: #431407;
            --text-heading: #1f2937;
            --text-gray: #6b7280;
            --text-light: #9ca3af;
            --white: #fff;
            --blue-bg: #eff6ff;
            --blue-border: #dbeafe;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans HK', 'Microsoft YaHei', sans-serif;
            background: var(--orange-bg);
            color: var(--text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            padding-bottom: 80px;
        }

        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }

        .hksev-container {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hksev-text-center { text-align: center; }
        .hksev-mt-8 { margin-top: 8px; }
        .hksev-mb-10 { margin-bottom: 40px; }

        /* ===== HERO ===== */
        .hksev-hero {
            background: var(--orange-border);
            text-align: center;
            display: flex;
            justify-content: center;
        }

        .hksev-hero img {
            width: 100%;
            max-width: 900px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
            border-bottom-left-radius: 24px;
            border-bottom-right-radius: 24px;
        }

        /* ===== CTA BOX ===== */
        .hksev-cta-box {
            background: var(--white);
            border-radius: 16px;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
            padding: 24px;
            border-top: 4px solid var(--orange);
            display: flex;
            gap: 24px;
            position: relative;
            z-index: 10;
        }

        .hksev-btn {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 16px;
            border-radius: 12px;
            color: #fff;
            font-weight: bold;
            font-size: 18px;
            transition: 0.2s;
            border: none;
            cursor: pointer;
        }

        .hksev-btn:active { transform: scale(0.97); }

        .hksev-btn-whatsapp { background: var(--whatsapp); }
        .hksev-btn-whatsapp:hover { background: var(--whatsapp-hover); }

        .hksev-btn-phone { background: var(--orange); }
        .hksev-btn-phone:hover { background: var(--orange-hover); }

        /* ===== TITLE & PRICE ===== */
        .hksev-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 16px;
        }

        .hksev-price-tag {
            display: inline-block;
            background: var(--white);
            border: 2px solid var(--orange);
            color: var(--orange);
            font-size: 32px;
            font-weight: 900;
            padding: 8px 28px;
            border-radius: 12px;
            margin-bottom: 8px;
        }

        .hksev-price-tag small {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-light);
        }


        /* ===== 3-COL GRID ===== */
        .hksev-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .hksev-card {
            background: var(--white);
            padding: 20px;
            border-radius: 16px;
            text-align: center;
            border: 1px solid var(--orange-border);
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
        }

        .hksev-icon-circle {
            width: 48px;
            height: 48px;
            background: var(--orange-bg);
            border-radius: 50%;
            color: var(--orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 12px;
        }

        .hksev-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

        .hksev-card p {
            font-size: 13px;
            color: var(--text-gray);
        }

        /* ===== INFO SECTION ===== */
        .hksev-info-section {
            padding: 40px 0;
        }

        .hksev-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .hksev-info-card {
            border-radius: 16px;
            padding: 24px;
            position: relative;
            overflow: hidden;
        }

        .hksev-info-card.orange {
            background: var(--orange-bg);
            border: 1px solid var(--orange-border);
        }

        .hksev-info-card.blue {
            background: var(--blue-bg);
            border: 1px solid var(--blue-border);
        }

        .hksev-info-card.full {
            grid-column: span 2;
        }

        .hksev-info-header {
            display: flex;
            align-items: center;
            margin-bottom: 12px;
        }

        .hksev-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 12px;
            flex-shrink: 0;
        }

        .hksev-info-header h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
        }

        .hksev-info-card p {
            font-size: 16px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        .hksev-info-card p strong.orange { color: var(--orange); }
        .hksev-info-card p strong.blue { color: #2563eb; }

        /* ===== CLINIC CARD ===== */
        .hksev-clinic-card {
            background: var(--white);
            border-radius: 16px;
            padding: 24px;
            border: 1px solid var(--orange-border);
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
        }

        .hksev-clinic-row {
            display: flex;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px solid var(--orange-border);
            font-size: 14px;
        }

        .hksev-clinic-row:last-child { border-bottom: none; }

        .hksev-clinic-row .label {
            color: var(--text-light);
            min-width: 70px;
            flex-shrink: 0;
        }

        .hksev-clinic-row .value { color: var(--text-dark); font-weight: 500; }

        .hksev-clinic-row .value a.wa {
            color: var(--whatsapp);
            font-weight: 600;
        }

        /* ===== FEATURES ===== */
        .hksev-features {
            background: var(--white);
            border-radius: 24px;
            padding: 32px;
            border: 1px solid var(--orange-border);
            margin-bottom: 40px;
        }

        .hksev-grid-features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .hksev-feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .hksev-feature-item .icon-box {
            width: 40px;
            height: 40px;
            background: var(--orange-border);
            color: var(--orange);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
        }

        .hksev-feature-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 2px;
        }

        .hksev-feature-item p {
            font-size: 13px;
            color: var(--text-gray);
        }

        /* ===== DENTAL/KNOWLEDGE LIST ===== */
        .hksev-dental-list {
            background: var(--white);
            border-radius: 16px;
            padding: 32px;
            border: 1px solid var(--orange-border);
        }

        .hksev-dental-list h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 20px;
        }

        .hksev-dental-list ul {
            list-style: none;
            padding: 0;
        }

        .hksev-dental-list li {
            padding: 10px 0 10px 28px;
            font-size: 15px;
            color: var(--text-gray);
            border-bottom: 1px solid var(--orange-bg);
            position: relative;
        }

        .hksev-dental-list li:last-child { border-bottom: none; }

        .hksev-dental-list li::before {
            content: '\f0a4';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--orange);
            font-size: 12px;
            top: 13px;
        }

        .hksev-alert {
            background: var(--orange-bg);
            border: 1px solid var(--orange-border);
            border-radius: 12px;
            padding: 16px;
            font-size: 14px;
            color: #8d6e3a;
            margin-top: 24px;
            line-height: 1.6;
        }

        /* ===== PROCESS ===== */
        .hksev-process {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hksev-process-item {
            display: flex;
            gap: 16px;
            background: var(--white);
            border-radius: 12px;
            padding: 16px;
            border: 1px solid var(--orange-border);
            align-items: flex-start;
        }

        .hksev-process-item .num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--orange);
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hksev-process-item .text h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 2px;
        }

        .hksev-process-item .text p {
            font-size: 14px;
            color: var(--text-gray);
        }

        /* ===== FAQ ===== */
        .hksev-faq-item {
            background: var(--white);
            border-radius: 12px;
            margin-bottom: 8px;
            overflow: hidden;
            border: 1px solid var(--orange-border);
        }

        .hksev-faq-q {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }

        .hksev-faq-q::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--orange);
            flex-shrink: 0;
        }

        .hksev-faq-item.open .hksev-faq-q::after {
            content: '\f068';
        }

        .hksev-faq-a {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
            display: none;
        }

        .hksev-faq-item.open .hksev-faq-a { display: block; }

        /* ===== MAP ===== */
        .hksev-map-section {
            background: var(--orange-bg);
            padding: 40px 0;
            border-top: 1px solid var(--orange-border);
        }

        .hksev-map-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid #f3f4f6;
        }

        .hksev-map-content {
            padding: 24px;
        }

        .hksev-tag {
            font-size: 12px;
            font-weight: bold;
            padding: 4px 12px;
            border-radius: 99px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .hksev-tag-orange {
            background: var(--orange);
            color: #fff;
        }

        .hksev-map-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .hksev-map-content p {
            font-size: 15px;
            color: var(--text-gray);
        }

        .hksev-iframe-container {
            width: 100%;
            height: 224px;
            background: #e5e7eb;
        }

        .hksev-iframe-container iframe {
            width: 100%;
            height: 100%;
            border: 0;
            display: block;
        }

        /* ===== FOOTER ===== */
        .hksev-footer {
            background: var(--white);
            border-top: 1px solid var(--orange-border);
            padding: 40px 20px;
            text-align: center;
        }

        .hksev-footer .name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

        .hksev-footer .en {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 12px;
        }

        .hksev-footer .phones { margin-bottom: 10px; line-height: 2; }

        .hksev-footer .phones a {
            color: var(--orange);
            font-weight: 600;
            font-size: 15px;
        }

        .hksev-footer .wa-link {
            color: var(--whatsapp) !important;
            font-weight: 600;
        }

        /* ===== FIXED WHATSAPP ===== */
        .wa-float {
            position: fixed;
            bottom: 16px;
            right: 16px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: var(--whatsapp);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            color: #fff;
            font-size: 24px;
            animation: pulse 2s infinite;
        }

        .wa-float:active { transform: scale(0.9); }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
            70% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
            100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
        }

        /* ===== BOTTOM BAR ===== */
        .bottom-bar {
            position: fixed;
            bottom: 0; left: 0; right: 0;
            background: var(--white);
            padding: 10px 16px;
            padding-bottom: max(10px, env(safe-area-inset-bottom));
            box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
            z-index: 998;
            display: flex;
            gap: 8px;
        }

        .bottom-bar a {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
        }

        .bottom-bar .b-phone { background: var(--orange); }
        .bottom-bar .b-wa { background: var(--whatsapp); }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 768px) {
            .hksev-hero img { border-radius: 0; }

            .hksev-cta-box {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }

            .hksev-btn { font-size: 16px; padding: 14px; }

            .hksev-title { font-size: 24px; }

            .hksev-price-tag { font-size: 28px; }

            .hksev-grid-3,
            .hksev-grid-2,
            .hksev-grid-features {
                grid-template-columns: 1fr;
            }

            .hksev-info-card.full {
                grid-column: span 1;
            }

            .hksev-features { padding: 24px; }

            .hksev-dental-list { padding: 24px; }
        }