        /* ===== 全局重置 & 基础 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: #07070a;
            color: #f0f0f2;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
             padding: 12px;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 12px;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #121217;
        }
        ::-webkit-scrollbar-thumb {
            background: #f5af19;
            border-radius: 10px;
        }

        /* ===== 导航 ===== */
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            position: sticky;
            top: 0;
            background: rgba(7, 7, 10, 0.85);
            backdrop-filter: blur(16px);
            z-index: 100;
        }

        .logo {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f5af19, #f12711);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links a {
            color: #aaa;
            text-decoration: none;
            margin-left: 36px;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.2s;
        }
        .nav-links a:hover {
            color: #fff;
        }
        .nav-cta {
            background: #fff;
            color: #07070a !important;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            margin-left: 36px;
        }
        .nav-cta:hover {
            background: #e0e0e0 !important;
        }

        /* ===== 首屏 Hero ===== */
        .hero {
            padding: 100px 0 120px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        /* 背景光晕装饰 */
        .hero::before {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(245, 175, 25, 0.08) 0%, transparent 70%);
            top: -200px;
            right: -100px;
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(241, 39, 17, 0.05) 0%, transparent 70%);
            bottom: -150px;
            left: -100px;
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 8px 24px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            color: #ccc;
            letter-spacing: 0.3px;
            margin-bottom: 32px;
            display: inline-block;
            backdrop-filter: blur(8px);
            z-index: 1;
        }
        .hero-badge i {
            margin-right: 8px;
            color: #f5af19;
        }

        .hero h1 {
            font-size: 74px;
            font-weight: 900;
            line-height: 1.08;
            letter-spacing: -3px;
            max-width: 920px;
            z-index: 1;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, #f5af19, #f12711);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
        }
        .hero h1 .highlight::after {
            content: '';
            position: absolute;
            left: 0;
           
        }

        .hero-sub {
            font-size: 22px;
            color: #999;
            margin-top: 24px;
            min-width: 300px;
            font-weight: 400;
            z-index: 1;
        }

        .hero-actions {
            margin-top: 48px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            z-index: 1;
        }

        .btn-primary {
            background: #fff;
            color: #07070a;
            padding: 16px 48px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 18px;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            text-decoration: none;
            display: inline-block;
        }
        .btn-primary:hover {
            background: #e0e0e0;
            transform: scale(1.03);
            box-shadow: 0 12px 32px rgba(255, 255, 255, 0.1);
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            padding: 16px 48px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 18px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            transition: all 0.25s;
            text-decoration: none;
            display: inline-block;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.3);
            transform: scale(1.03);
        }

        /* ===== 信任条 ===== */
        .trust-bar {
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            justify-content: center;
            gap: 80px;
            flex-wrap: wrap;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: #aaa;
        }
        .trust-item i {
            color: #f5af19;
            font-size: 20px;
        }
        .trust-item strong {
            color: #fff;
            font-size: 18px;
        }

        /* ===== 痛点区 ===== */
        .pain-points {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .section-label {
            text-transform: uppercase;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: #f5af19;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 44px;
            font-weight: 700;
            letter-spacing: -1px;
            margin-bottom: 16px;
        }
        .section-desc {
            color: #999;
            font-size: 18px;
            max-width: 600px;
        }

        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-top: 48px;
        }
        .pain-item {
            text-align: center;
            padding: 32px 24px;
            background: rgba(255, 255, 255, 0.02);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: border 0.3s;
        }
        .pain-item:hover {
            border-color: rgba(245, 175, 25, 0.15);
        }
        .pain-item i {
            font-size: 36px;
            color: #f5af19;
            margin-bottom: 16px;
        }
        .pain-item h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .pain-item p {
            color: #888;
            font-size: 16px;
        }

        /* ===== 案例展示 ===== */
        .showcase {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .showcase-card {
            background: #121217;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s;
        }
        .showcase-card:hover {
            transform: translateY(-8px);
            border-color: rgba(245, 175, 25, 0.2);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }
        .showcase-thumb {
            height: 180px;
            background: linear-gradient(135deg, #1a1a24, #2a2a38);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            color: #f5af19;
        }
        .showcase-body {
            padding: 24px;
        }
        .showcase-body .tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            background: rgba(245, 175, 25, 0.12);
            color: #f5af19;
            padding: 2px 14px;
            border-radius: 40px;
            margin-bottom: 10px;
        }
        .showcase-body h4 {
            font-size: 18px;
            font-weight: 600;
        }
        .showcase-body p {
            color: #888;
            font-size: 14px;
            margin-top: 4px;
        }
        .showcase-body .rating {
            color: #f5af19;
            font-size: 14px;
            margin-top: 10px;
        }

        /* ===== 套餐 ===== */
        .pricing {
            padding: 80px 0 100px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 56px;
        }
        .pricing-card {
            background: #121217;
            border-radius: 24px;
            padding: 40px 32px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s;
            position: relative;
        }
        .pricing-card:hover {
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-6px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        }
        .pricing-card.recommended {
            border-color: #f5af19;
            background: #18181f;
        }
        .pricing-card.recommended .badge {
            background: #f5af19;
            color: #07070a;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 40px;
            display: inline-block;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .pricing-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .pricing-price {
            font-size: 44px;
            font-weight: 800;
            margin: 16px 0 4px;
            letter-spacing: -1px;
        }
        .pricing-price small {
            font-size: 18px;
            font-weight: 500;
            color: #888;
        }
        .pricing-features {
            list-style: none;
            margin: 28px 0 32px;
        }
        .pricing-features li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: #ddd;
        }
        .pricing-features li i {
            color: #f5af19;
            font-size: 16px;
            margin-top: 3px;
            min-width: 20px;
        }
        .pricing-features li .muted {
            color: #777;
            font-size: 14px;
        }
        .btn-card {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 14px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.2s;
            text-align: center;
            display: inline-block;
            text-decoration: none;
        }
        .btn-card:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .btn-card.primary {
            background: #fff;
            color: #07070a;
        }
        .btn-card.primary:hover {
            background: #e0e0e0;
        }

        .btn-card a{text-decoration: none;}
        /* ===== 报价计算器 ===== */
        .calculator {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .calc-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            margin-top: 48px;
            align-items: start;
        }
        .calc-options {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .calc-group label {
            display: block;
            font-weight: 600;
            font-size: 15px;
            margin-bottom: 8px;
        }
        .calc-group .hint {
            font-size: 13px;
            color: #777;
            font-weight: 400;
            margin-left: 8px;
        }
        .calc-group select,
        .calc-group input[type="range"] {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            background: #121217;
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 16px;
            font-family: 'Inter', sans-serif;
            outline: none;
            transition: border 0.2s;
        }
        .calc-group select:focus,
        .calc-group input:focus {
            border-color: #f5af19;
        }
        .calc-group input[type="range"] {
            padding: 0;
            -webkit-appearance: none;
            appearance: none;
            height: 4px;
            background: #2a2a38;
            border-radius: 4px;
            border: none;
        }
        .calc-group input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: #f5af19;
            cursor: pointer;
        }

        .calc-result {
            background: #121217;
            border-radius: 24px;
            padding: 40px 36px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            position: sticky;
            top: 120px;
        }
        .calc-result .total-label {
            font-size: 14px;
            color: #888;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .calc-result .total-price {
            font-size: 64px;
            font-weight: 900;
            margin: 12px 0 4px;
            background: linear-gradient(135deg, #f5af19, #f12711);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .calc-result .total-sub {
            color: #666;
            font-size: 15px;
            margin-bottom: 28px;
        }
        .calc-result .btn-primary {
            width: 100%;
            text-align: center;
        }
        .calc-result .breakdown {
            margin-top: 24px;
            font-size: 14px;
            color: #777;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: left;
        }
        .calc-result .breakdown span {
            display: flex;
            justify-content: space-between;
            padding: 4px 0;
        }

        /* ===== 流程 ===== */
        .process {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            margin-top: 48px;
            text-align: center;
        }
        .step {
            background: #121217;
            border-radius: 16px;
            padding: 24px 12px;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: border 0.3s;
        }
        .step:hover {
            border-color: rgba(245, 175, 25, 0.15);
        }
        .step .num {
            font-size: 28px;
            font-weight: 800;
            color: #f5af19;
            opacity: 0.6;
        }
        .step h4 {
            font-size: 14px;
            font-weight: 600;
            margin-top: 12px;
        }
        .step p {
            font-size: 13px;
            color: #888;
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq {
            padding: 80px 0 100px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .faq-list {
            max-width: 820px;
            margin: 48px auto 0;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
        }
        .faq-item h4 {
            font-size: 18px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .faq-item h4 i {
            color: #f5af19;
            font-size: 20px;
        }
        .faq-item p {
            color: #aaa;
            margin-top: 10px;
            padding-left: 36px;
            font-size: 16px;
        }

        /* ===== 页脚 ===== */
        .footer {
            padding: 48px 0 32px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            text-align: center;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #fff;
            text-align: center;
        }
        .footer-col a,
        .footer-col p {
            display: block;
            color: #777;
            text-decoration: none;
            font-size: 14px;
            margin-bottom: 8px;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            color: #555;
            font-size: 13px;
            margin: 0 auto;
            text-align: center;
        }
        .footer-bottom .social a {
            color: #777;
          
            text-decoration: none;
            font-size: 18px;
        }
        .footer-bottom .social a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: 1fr 1fr;
            }
            .pricing-grid .pricing-card:last-child {
                grid-column: span 2;
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .showcase-grid {
                grid-template-columns: 1fr 1fr;
            }
            .calc-wrap {
                grid-template-columns: 1fr;
            }
            .calc-result {
                position: static;
            }
            .footer {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 40px;
                letter-spacing: -1px;
            }
            .hero {
                padding: 60px 0 80px;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .pricing-grid .pricing-card:last-child {
                grid-column: span 1;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .showcase-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .trust-bar {
                gap: 24px;
            }
            .navbar {
                flex-wrap: wrap;
                gap: 16px;
            }
            .nav-links a {
                margin-left: 16px;
                font-size: 13px;
            }
            .nav-cta {
                margin-left: 16px;
                padding: 8px 16px;
            }
            .container {
                padding: 0 10px;
            }
            .section-title {
                font-size: 30px;
            }
            .footer {
                grid-template-columns: 1fr;
            }
            .calc-result .total-price {
                font-size: 44px;
            }
            .faq-item h4 {
                font-size: 16px;
            }
            .faq-item p {
                padding-left: 0;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 30px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                text-align: center;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .pricing-price {
                font-size: 34px;
            }
             .btn-card a{text-decoration: none;   font-size: 14px;}
             .container {padding: 0 7px; }
        }

        /* ===== 移动端导航适配 ===== */
        @media (max-width: 768px) {
            .navbar {
                flex-direction: column;  /* 改为纵向排列 */
                align-items: center;     /* 居中对齐 */
                gap: 10px;              /* 上下间距 */
                padding: 12px 0;        /* 上下内边距 */
            }

            .nav-links {
                display: flex;
                flex-wrap: wrap;         /* 允许换行 */
                justify-content: center; /* 居中对齐 */
                align-items: center;
                gap: 8px 16px;          /* 行列间距 */
                width: 100%;
                padding: 0 12px;
            }

            .nav-links a {
                font-size: 14px;         /* 手机端稍小 */
                white-space: nowrap;     /* 防止文字换行 */
            }

            .nav-cta {
                /* 如果有背景色，确保它在移动端也完整显示 */
                display: inline-block;
                padding: 6px 14px;
            }
            .btn-card a{text-decoration: none;   font-size: 14px;}
             .container {padding: 0 7px; }
        }


                /* ===== 流程步骤：图标 + 数字 ===== */
        .step {
            text-align: center;
            padding: 20px 16px;
            background: rgba(255,255,255,0.03);
            border-radius: 16px;
            border: 1px solid rgba(255,255,255,0.06);
            transition: all 0.3s;
        }

        .step:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(245, 175, 25, 0.3);
            transform: translateY(-4px);
        }

        .step-icon {
            position: relative;
            display: inline-block;
            width: 72px;
            height: 72px;
            margin-bottom: 16px;
        }

        .step-icon i {
            font-size: 32px;
            color: #f5af19;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 2;
        }

        .step-num {
            position: absolute;
            bottom: -4px;
            right: -8px;
           
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 3;
            box-shadow: 0 0px 6px rgba(245, 175, 25, 0.3);
        }

        .step h4 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }

        .step p {
            font-size: 14px;
            color: #888;
            margin: 0;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .step-icon {
                width: 60px;
                height: 60px;
            }
            .step-icon i {
                font-size: 26px;
            }
            .step-num {
                width: 22px;
                height: 22px;
                font-size: 10px;
                bottom: -2px;
                right: -6px;
            }
            .btn-card a{text-decoration: none;   font-size: 14px;}
             .container {padding: 0 7px; }
        }
      a{text-decoration: none;}
      




      /* ===== Footer 布局 ===== */


.footer-col h5 {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}




/* ===== 移动端：流畅换行，居中对齐 ===== */
@media (max-width: 768px) {
    .footer {
        padding: 32px 0 16px;
    }
    
    .footer-flex {
        justify-content: center;      /* 居中对齐 */
        gap: 28px 32px;              /* 行列间距 */
    }
    
    .footer-col {
        align-items: center;          /* 内容居中 */
        text-align: center;
        flex: 0 1 auto;              /* 根据内容自动伸缩 */
    }
    
    .footer-col.brand {
        flex: 0 0 100%;              /* 品牌独占一行 */
        margin-bottom: 4px;
    }
    
    .footer-col.brand p {
        max-width: 280px;
    }
    
    .footer-col h5 {
        font-size: 13px;
        margin-bottom: 10px;
    }
    
    .footer-col a,
    .footer-col p {
        font-size: 13px;
        padding: 3px 0;
    }
    
    .footer-bottom {
        font-size: 12px;
        padding-top: 16px;
    }
}

/* ===== 小屏手机进一步优化 ===== */
@media (max-width: 400px) {
    .footer-flex {
        gap: 20px 20px;
    }
    
    .footer-col a,
    .footer-col p {
        font-size: 12px;
    }
}
