/* ===== Reset & Base ===== */
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #1e293b;
            background: #f8fafc;
            line-height: 1.6;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }

        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Top Bar ===== */
        .top-bar {
            background: #0f172a;
            color: #94a3b8;
            font-size: 13px;
            padding: 8px 0;
        }
        .top-bar .container {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            gap: 20px;
        }
        .top-bar a {
            color: #cbd5e1;
            transition: color .2s;
        }
        .top-bar a:hover { color: #fff; }

        /* ===== Nav ===== */
        .navbar {
            background: rgba(255,255,255,.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #e2e8f0;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .navbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 64px;
        }
        .logo {
            font-size: 22px;
            font-weight: 700;
            background: linear-gradient(135deg, #2563eb, #06b6d4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo span { font-weight: 300; -webkit-text-fill-color: #64748b; color: #64748b; }
        .nav-links { display: flex; gap: 28px; list-style: none; }
        .nav-links a {
            font-size: 14px;
            color: #475569;
            transition: color .2s;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px; left: 0;
            width: 0; height: 2px;
            background: #2563eb;
            transition: width .25s;
        }
        .nav-links a:hover { color: #2563eb; }
        .nav-links a:hover::after { width: 100%; }

        .nav-login {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border: 1px solid #2563eb;
            border-radius: 20px;
            color: #2563eb !important;
            font-size: 13px;
            font-weight: 500;
            transition: all .25s;
        }
        .nav-login:hover {
            background: #2563eb;
            color: #fff !important;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }
        .mobile-toggle span {
            display: block;
            width: 24px; height: 2px;
            background: #1e293b;
            border-radius: 2px;
            transition: .3s;
        }

        /* ===== Hero ===== */
        .hero {
            background: linear-gradient(135deg, #eff6ff 0%, #ecfeff 50%, #f0fdf4 100%);
            padding: 80px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -60%; right: -20%;
            width: 600px; height: 600px;
            background: radial-gradient(circle, rgba(6,182,212,.10) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%; left: -10%;
            width: 500px; height: 500px;
            background: radial-gradient(circle, rgba(37,99,235,.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero .container {
            display: flex;
            align-items: center;
            gap: 60px;
            position: relative;
            z-index: 1;
        }
        .hero-text { flex: 1; }
        .hero-text .tag {
            display: inline-block;
            background: rgba(37,99,235,.10);
            color: #2563eb;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .hero-text h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero-text h1 .highlight {
            background: linear-gradient(135deg, #2563eb, #06b6d4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-text p {
            font-size: 17px;
            color: #64748b;
            max-width: 480px;
            margin-bottom: 32px;
        }
        .hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
        .btn-primary, .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            transition: all .25s;
            cursor: pointer;
        }
        .btn-primary {
            background: #2563eb;
            color: #fff;
            border: none;
            box-shadow: 0 4px 14px rgba(37,99,235,.30);
        }
        .btn-primary:hover { background: #1d4ed8; transform: translateY(-1px); }
        .btn-outline {
            border: 1.5px solid #cbd5e1;
            color: #475569;
            background: #fff;
        }
        .btn-outline:hover { border-color: #2563eb; color: #2563eb; }

        .hero-visual {
            flex: 1;
            min-width: 0;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-card {
            background: #fff;
            border-radius: 20px;
            padding: 32px 28px;
            box-shadow: 0 20px 60px rgba(0,0,0,.06);
            width: 100%;
            max-width: 420px;
        }
        .hero-card-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .hero-card-row:last-child { border-bottom: none; }
        .hero-card-label { font-size: 14px; color: #64748b; }
        .hero-card-value {
            font-size: 15px;
            font-weight: 600;
            color: #0f172a;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-card-icon {
            width: 36px; height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        /* ===== Section Shared ===== */
        section { padding: 76px 0; }
        .section-title {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-title h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .section-title p {
            font-size: 15px;
            color: #64748b;
            max-width: 500px;
            margin: 0 auto;
        }

        /* ===== Capabilities ===== */
        .capabilities-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .cap-card {
            background: #fff;
            border-radius: 16px;
            padding: 28px 24px;
            border: 1px solid #e2e8f0;
            transition: all .3s;
        }
        .cap-card:hover {
            border-color: #2563eb;
            box-shadow: 0 8px 30px rgba(37,99,235,.08);
            transform: translateY(-3px);
        }
        .cap-card .ci {
            width: 48px; height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 16px;
        }
        .cap-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
        .cap-card p { font-size: 14px; color: #64748b; line-height: 1.5; }

        /* ===== Flow ===== */
        .flow-section { background: #fff; }
        .flow-steps {
            display: flex;
            align-items: flex-start;
            gap: 0;
            position: relative;
        }
        .flow-step {
            flex: 1;
            text-align: center;
            position: relative;
            padding: 0 12px;
        }
        .flow-num {
            width: 56px; height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563eb, #06b6d4);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
        }
        .flow-step h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
        .flow-step p { font-size: 13px; color: #64748b; }
        .flow-arrow {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #2563eb;
            font-size: 24px;
            font-weight: 300;
            padding-top: 14px;
        }

        /* ===== Scenarios ===== */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid #e2e8f0;
            transition: all .3s;
        }
        .scenario-card:hover {
            border-color: #2563eb;
            box-shadow: 0 8px 30px rgba(37,99,235,.08);
            transform: translateY(-3px);
        }
        .scenario-banner {
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 42px;
        }
        .scenario-body { padding: 20px; }
        .scenario-body h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
        .scenario-body p { font-size: 13px; color: #64748b; }
        .scenario-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
        .scenario-tags span {
            font-size: 11px;
            padding: 2px 10px;
            border-radius: 12px;
            background: #f1f5f9;
            color: #475569;
        }

        /* ===== Contact ===== */
        .contact {
            background: #0f172a;
            color: #f8fafc;
            text-align: center;
            padding: 72px 0;
        }
        .contact h2 { font-size: 28px; font-weight: 700; margin-bottom: 10px; }
        .contact p { color: #94a3b8; margin-bottom: 28px; }
        .contact .btn-primary {
            background: #fff;
            color: #0f172a;
            box-shadow: 0 4px 14px rgba(255,255,255,.15);
        }
        .contact .btn-primary:hover { background: #e2e8f0; }
        .contact-info { margin-top: 24px; font-size: 14px; color: #64748b; display: flex; justify-content: center; gap: 32px; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .footer {
            background: #0b1120;
            color: #64748b;
            font-size: 13px;
            padding: 18px 0;
            text-align: center;
        }
        .footer a { color: #94a3b8; transition: color .2s; }
        .footer a:hover { color: #fff; }

        /* ===== Responsive ===== */
        @media (max-width: 900px) {
            .hero .container { flex-direction: column; gap: 40px; }
            .hero-text h1 { font-size: 32px; }
            .hero-text p { max-width: 100%; }
            .hero-visual { width: 100%; }

            .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
            .scenarios-grid { grid-template-columns: repeat(2, 1fr); }

            .flow-steps { flex-direction: column; align-items: center; }
            .flow-step { max-width: 300px; margin-bottom: 16px; }
            .flow-arrow { transform: rotate(90deg); padding: 0; }
        }

        @media (max-width: 600px) {
            .navbar .container { height: 56px; }
            .nav-links {
                display: none;
                position: absolute;
                top: 56px; left: 0; right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid #e2e8f0;
                box-shadow: 0 8px 24px rgba(0,0,0,.06);
            }
            .nav-links.open { display: flex; }
            .mobile-toggle { display: flex; }

            .hero { padding: 48px 0; }
            .hero-text h1 { font-size: 26px; }
            .capabilities-grid { grid-template-columns: 1fr; }
            .scenarios-grid { grid-template-columns: 1fr; }

            section { padding: 48px 0; }
            .section-title h2 { font-size: 24px; }
            .contact-info { flex-direction: column; gap: 8px; }
        }


/* ===== Multi-page additions ===== */
.logo { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.logo .logo-sub { font-size: 13px; color: #64748b; font-weight: 400; -webkit-text-fill-color: #64748b; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-links a.active { color: #2563eb; }
.nav-links a.active::after { width: 100%; }

.page-hero {
    background: linear-gradient(135deg, #eff6ff 0%, #ecfeff 50%, #f0fdf4 100%);
    padding: 56px 0 48px;
    border-bottom: 1px solid #e2e8f0;
}
.page-hero h1 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}
.page-hero p { font-size: 16px; color: #475569; max-width: 760px; }
.breadcrumb { font-size: 13px; color: #64748b; margin-bottom: 14px; }
.breadcrumb a { color: #2563eb; }

.page-section { padding: 64px 0; }
.page-section.alt { background: #fff; }
.section-head { margin-bottom: 36px; }
.section-head h2 { font-size: 26px; font-weight: 700; margin-bottom: 8px; }
.section-head p { color: #64748b; font-size: 15px; max-width: 760px; }

.prose { max-width: 900px; }
.prose h2 { font-size: 24px; margin: 34px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 18px; margin: 24px 0 10px; }
.prose p { margin-bottom: 14px; color: #334155; font-size: 15px; line-height: 1.85; }
.prose ul { margin: 0 0 16px 20px; color: #334155; font-size: 15px; line-height: 1.85; }
.prose li { margin-bottom: 8px; }
.prose a { color: #2563eb; }

.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.info-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 28px; }
.info-card .ico {
    width: 46px; height: 46px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 14px; background: #eff6ff;
}
.info-card h3 { font-size: 18px; margin-bottom: 8px; }
.info-card p { font-size: 14px; color: #64748b; line-height: 1.75; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 28px 24px; }
.service-card h3 { font-size: 17px; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: #64748b; line-height: 1.7; margin-bottom: 12px; }
.service-card ul { list-style: none; padding: 0; margin: 0; }
.service-card li { position: relative; padding-left: 20px; font-size: 13px; color: #475569; line-height: 1.8; }
.service-card li::before { content: "✓"; position: absolute; left: 0; color: #16a34a; font-weight: 700; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: step; }
.step { background: #fff; border: 1px solid #e2e8f0; border-radius: 14px; padding: 22px; }
.step::before {
    counter-increment: step; content: counter(step);
    width: 30px; height: 30px; border-radius: 50%;
    background: #2563eb; color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700; margin-bottom: 12px;
}
.step h4 { font-size: 15px; margin-bottom: 6px; }
.step p { font-size: 13px; color: #64748b; line-height: 1.7; }

.table-wrap { overflow-x: auto; border: 1px solid #e2e8f0; border-radius: 14px; background: #fff; max-width: 100%; }
table.info-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.info-table th, table.info-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid #f1f5f9; vertical-align: top; }
table.info-table tr:last-child th, table.info-table tr:last-child td { border-bottom: none; }
table.info-table th { width: 180px; color: #475569; background: #f8fafc; font-weight: 600; white-space: nowrap; }
table.info-table td { color: #334155; }

.contact-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 28px; align-items: start; }
.contact-grid > * { min-width: 0; }
.contact-panel { background: #fff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 30px; min-width: 0; }
.contact-panel h2 { font-size: 20px; margin-bottom: 18px; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid #f1f5f9; }
.contact-list li:last-child { border-bottom: none; }
.contact-list .ico {
    flex: 0 0 42px; width: 42px; height: 42px; border-radius: 12px;
    background: #eff6ff; display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.contact-list .label { font-size: 12px; color: #94a3b8; margin-bottom: 2px; }
.contact-list .value { font-size: 15px; color: #0f172a; font-weight: 600; word-break: break-all; line-height: 1.6; }
.contact-list .value a { color: #2563eb; }
.contact-note { margin-top: 18px; padding: 14px 16px; background: #f8fafc; border-radius: 10px; font-size: 13px; color: #64748b; line-height: 1.75; }

.cta-band {
    background: linear-gradient(135deg, #0f172a, #1e3a8a);
    color: #f8fafc; border-radius: 18px; padding: 38px 32px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 24px; flex-wrap: wrap;
}
.cta-band h2 { font-size: 24px; margin-bottom: 6px; }
.cta-band p { color: #cbd5e1; font-size: 14px; }
.cta-band .btn-primary { background: #fff; color: #0f172a; box-shadow: none; white-space: nowrap; }
.cta-band .btn-primary:hover { background: #e2e8f0; }

.legal { max-width: 860px; margin: 0 auto; }
.legal h2 { font-size: 20px; margin: 28px 0 10px; }
.legal h2:first-child { margin-top: 0; }
.legal h3 { font-size: 16px; margin: 20px 0 8px; }
.legal p, .legal li { font-size: 14px; color: #334155; line-height: 1.85; }
.legal ul { margin: 0 0 14px 20px; }
.meta-line { font-size: 13px; color: #94a3b8; margin-bottom: 24px; }

/* ===== Product & checkout shared styles ===== */
.product-hero { padding: 52px 0 52px; }
.product-hero .container { display: flex; align-items: center; gap: 44px; }
.product-hero-text { flex: 1; min-width: 0; }
.product-hero-text h1 { font-size: 40px; font-weight: 800; line-height: 1.2; letter-spacing: -0.5px; margin-bottom: 14px; }
.product-hero-text > p { font-size: 16px; color: #475569; max-width: 620px; }
.product-tag {
    display: inline-block; background: rgba(220,38,38,.08); color: #dc2626;
    font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 20px; margin-bottom: 14px;
}
.product-price { display: flex; align-items: baseline; gap: 10px; margin: 20px 0 22px; flex-wrap: wrap; }
.product-price .currency { font-size: 24px; color: #dc2626; font-weight: 700; }
.product-price .amount { font-size: 48px; color: #dc2626; font-weight: 800; line-height: 1; }
.product-price .original { font-size: 16px; color: #94a3b8; text-decoration: line-through; }
.product-price .discount { font-size: 12px; color: #dc2626; background: #fef2f2; padding: 3px 10px; border-radius: 12px; }
.product-safe { font-size: 13px; color: #64748b; margin-top: 14px; }
.product-hero-card {
    flex: 0 0 370px; background: #fff; border: 1px solid #e2e8f0;
    border-radius: 18px; padding: 28px; box-shadow: 0 18px 50px rgba(0,0,0,.06);
}
.product-hero-card h3 { font-size: 18px; margin-bottom: 14px; }
.product-hero-card ul { list-style: none; padding: 0; margin: 0; }
.product-hero-card li { position: relative; padding-left: 24px; margin-bottom: 10px; font-size: 14px; color: #475569; }
.product-hero-card li::before { content: "✓"; position: absolute; left: 0; color: #16a34a; font-weight: 700; }

.product-order-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 28px; align-items: start; }
.product-order-grid > * { min-width: 0; }
.product-order-panel, .product-side { background: #fff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 30px; min-width: 0; }
.product-order-panel h2, .product-side h3 { font-size: 20px; margin-bottom: 18px; }
.product-field { margin-bottom: 18px; }
.product-field label { display: block; font-size: 14px; font-weight: 600; color: #334155; margin-bottom: 8px; }
.product-field input, .product-field select {
    width: 100%; height: 46px; padding: 0 14px; border: 1px solid #cbd5e1;
    border-radius: 10px; font-size: 15px; color: #0f172a; background: #fff; outline: none;
}
.product-field input:focus, .product-field select:focus { border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.product-field .hint { font-size: 12px; color: #94a3b8; margin-top: 6px; }
.product-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.product-pay-btn {
    width: 100%; height: 52px; border: none; border-radius: 12px;
    background: #ff5000; color: #fff; font-size: 17px; font-weight: 700;
    cursor: pointer; box-shadow: 0 6px 18px rgba(255,80,0,.25); transition: all .2s;
}
.product-pay-btn:hover { background: #e64700; }
.product-pay-btn:disabled { opacity: .65; cursor: not-allowed; }
.product-agree { font-size: 12px; color: #94a3b8; text-align: center; margin-top: 12px; line-height: 1.6; }
.product-agree a { color: #2563eb; }
.product-agree-check { display: flex; align-items: flex-start; gap: 8px; margin-top: 12px; font-size: 12px; color: #64748b; line-height: 1.6; cursor: pointer; }
.product-agree-check input { flex: 0 0 auto; width: 14px; height: 14px; margin-top: 2px; accent-color: #ff5000; }
.product-agree-check a { color: #2563eb; }
.form-msg { display: none; padding: 12px 14px; border-radius: 10px; font-size: 13px; margin-bottom: 16px; line-height: 1.6; }
.form-msg.error { display: block; background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.form-msg.info { display: block; background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }
.product-side ul { list-style: none; padding: 0; margin: 0 0 18px; }
.product-side li { position: relative; padding-left: 22px; font-size: 13px; color: #475569; line-height: 1.8; }
.product-side li::before { content: "•"; position: absolute; left: 4px; color: #2563eb; font-weight: 700; }
.product-side .side-box { background: #f8fafc; border-radius: 12px; padding: 16px; font-size: 13px; color: #64748b; line-height: 1.9; }
.product-side .side-box a { color: #2563eb; }
.product-promo-card {
    background: linear-gradient(135deg, #fff7ed, #fef2f2); border: 1px solid #fed7aa;
    border-radius: 18px; padding: 28px 32px; display: flex; align-items: center;
    justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.product-promo-card h2 { font-size: 24px; margin-bottom: 6px; }
.product-promo-card p { color: #64748b; font-size: 14px; }
.promo-tag {
    display: inline-block; background: rgba(220,38,38,.08); color: #dc2626;
    font-size: 12px; font-weight: 600; padding: 3px 12px; border-radius: 20px; margin-bottom: 10px;
}
.product-promo-price { font-size: 30px; font-weight: 800; color: #dc2626; line-height: 1.2; }
.product-promo-price span { display: block; font-size: 12px; font-weight: 400; color: #94a3b8; }
.product-faq { max-width: 900px; }
.product-faq h3 { font-size: 16px; margin: 22px 0 6px; }
.product-faq h3:first-child { margin-top: 0; }
.product-faq p { font-size: 14px; color: #475569; line-height: 1.8; }

@media (max-width: 900px) {
    .product-hero .container { flex-direction: column; align-items: stretch; gap: 28px; }
    .product-hero-card { flex: auto; }
    .product-order-grid { grid-template-columns: 1fr; }
    .product-hero-text h1 { font-size: 32px; }
}
@media (max-width: 600px) {
    .product-price .amount { font-size: 40px; }
    .product-field-row { grid-template-columns: 1fr; }
    .product-order-panel, .product-side { padding: 22px; }
    .product-promo-card { padding: 22px; }
    .product-hero-text h1 { font-size: 27px; }
}


/* ===== Product, checkout & order pages ===== */
section[id] { scroll-margin-top: 80px; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card {
    background: #fff; border: 1px solid #e2e8f0; border-radius: 18px;
    padding: 26px 22px; display: flex; flex-direction: column; position: relative;
}
.product-card.featured { border-color: #2563eb; box-shadow: 0 10px 30px rgba(37,99,235,.10); }
.product-badge {
    align-self: flex-start; display: inline-block;
    background: #eff6ff; color: #2563eb; font-size: 12px; font-weight: 600;
    padding: 3px 12px; border-radius: 20px; margin-bottom: 10px;
}
.product-card.featured .product-badge { background: #2563eb; color: #fff; }
.product-card h3 { font-size: 18px; margin-bottom: 8px; }
.product-card > p { font-size: 13px; color: #64748b; line-height: 1.7; min-height: 44px; }
.product-card-price { font-size: 32px; font-weight: 800; color: #0f172a; margin: 12px 0 16px; }
.product-card-price span { font-size: 16px; color: #64748b; margin-right: 2px; }
.product-card-price small { font-size: 13px; color: #94a3b8; font-weight: 400; margin-left: 4px; }
.product-card-features { list-style: none; padding: 0; margin: 0 0 20px; flex: 1; }
.product-card-features li { position: relative; padding-left: 20px; font-size: 13px; color: #475569; line-height: 1.8; }
.product-card-features li::before { content: "✓"; position: absolute; left: 0; color: #16a34a; font-weight: 700; }
.product-buy-btn { width: 100%; justify-content: center; padding: 10px 16px; font-size: 14px; }
.product-custom {
    margin-top: 22px; background: #f8fafc; border: 1px dashed #cbd5e1;
    border-radius: 16px; padding: 22px 26px;
    display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
}
.product-custom h3 { font-size: 17px; margin-bottom: 4px; }
.product-custom p { font-size: 13px; color: #64748b; }
.product-note { margin-top: 18px; font-size: 12px; color: #94a3b8; line-height: 1.7; }

.checkout-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.checkout-grid > * { min-width: 0; }
.checkout-card {
    background: #fff; border: 1px solid #e2e8f0; border-radius: 16px;
    padding: 28px; margin-bottom: 20px;
}
.checkout-card h2 { font-size: 20px; margin-bottom: 18px; }
.checkout-loading { color: #94a3b8; font-size: 14px; }
.checkout-product-name { font-size: 22px; margin: 6px 0 8px; }
.checkout-product-summary { font-size: 14px; color: #64748b; line-height: 1.7; margin-bottom: 16px; }
.checkout-product-price { font-size: 34px; font-weight: 800; color: #dc2626; margin: 14px 0; }
.checkout-product-price small { font-size: 14px; color: #94a3b8; font-weight: 400; margin-left: 6px; }
.checkout-features { list-style: none; padding: 0; margin: 0; }
.checkout-features li { position: relative; padding-left: 22px; font-size: 14px; color: #475569; line-height: 1.9; }
.checkout-features li::before { content: "✓"; position: absolute; left: 0; color: #16a34a; font-weight: 700; }
.checkout-side { background: #fff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 28px; }
.checkout-side h3 { font-size: 18px; margin-bottom: 14px; }
.checkout-side ul { list-style: none; padding: 0; margin: 0 0 18px; }
.checkout-side li { position: relative; padding-left: 20px; font-size: 13px; color: #475569; line-height: 1.8; }
.checkout-side li::before { content: "•"; position: absolute; left: 4px; color: #2563eb; font-weight: 700; }
.checkout-side .side-box { background: #f8fafc; border-radius: 12px; padding: 16px; font-size: 13px; color: #64748b; line-height: 1.9; }
.checkout-side .side-box a { color: #2563eb; }
.product-field textarea {
    width: 100%; min-height: 90px; padding: 12px 14px; border: 1px solid #cbd5e1;
    border-radius: 10px; font-size: 15px; color: #0f172a; background: #fff; outline: none; resize: vertical;
}
.product-field textarea:focus { border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,.12); }

.order-result {
    max-width: 640px; margin: 0 auto; text-align: center;
    background: #fff; border: 1px solid #e2e8f0; border-radius: 18px; padding: 44px 32px;
}
.order-icon { font-size: 48px; margin-bottom: 14px; }
.order-result h1 { font-size: 26px; margin-bottom: 10px; }
.order-result > p { color: #64748b; font-size: 14px; line-height: 1.8; }
.order-box { margin: 22px 0; text-align: left; background: #f8fafc; border-radius: 12px; padding: 18px 20px; font-size: 14px; color: #475569; line-height: 2; }
.order-box strong { color: #0f172a; }
.order-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

@media (max-width: 900px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .checkout-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    section[id] { scroll-margin-top: 70px; }
    .product-grid { grid-template-columns: 1fr; }
    .checkout-card, .checkout-side { padding: 22px; }
    .order-result { padding: 32px 22px; }
    .order-actions { flex-direction: column; }
}

/* ===== Footer upgrade ===== */
.footer { background: #0b1120; color: #94a3b8; font-size: 13px; padding: 44px 0 0; text-align: left; }
.footer-main { display: grid; grid-template-columns: 1.3fr 1fr 1.4fr; gap: 36px; padding-bottom: 34px; }
.footer-brand { font-size: 20px; font-weight: 700; color: #f8fafc; margin-bottom: 10px; }
.footer-col p { line-height: 1.8; margin-bottom: 6px; }
.footer-col h4 { color: #f8fafc; font-size: 14px; margin-bottom: 12px; }
.footer-col a { display: block; color: #94a3b8; margin-bottom: 8px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #1e293b; padding: 16px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 10px 24px; flex-wrap: wrap; }
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 1000px) {
    .logo .logo-sub { display: none; }
    .nav-links { gap: 20px; }
}
@media (max-width: 900px) {
    .info-grid { grid-template-columns: 1fr; }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr 1fr; }
    .page-hero { padding: 44px 0 36px; }
    .page-hero h1 { font-size: 30px; }
}
@media (max-width: 600px) {
    .nav-actions .nav-login { display: none; }
    .service-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr; gap: 26px; }
    .footer-bottom .container { flex-direction: column; }
    .page-section { padding: 44px 0; }
    .page-hero h1 { font-size: 26px; }
    .cta-band { padding: 28px 22px; }
    .cta-band h2 { font-size: 20px; }
    .table-wrap { overflow: visible; }
    table.info-table, table.info-table tbody, table.info-table tr, table.info-table th, table.info-table td {
        display: block; width: 100%;
    }
    table.info-table tr { padding: 12px 16px; border-bottom: 1px solid #f1f5f9; }
    table.info-table tr:last-child { border-bottom: none; }
    table.info-table th {
        padding: 0 0 4px; border-bottom: none; background: transparent;
        white-space: normal; font-size: 13px;
    }
    table.info-table td { padding: 0; border-bottom: none; }
}