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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: #1a1a2e;
            background: #ffffff;
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 主色 ===== */
        :root {
            --primary: #65B530;
            --primary-dark: #4d8a24;
            --primary-light: #8ace5a;
            --primary-bg: #f0f8ea;
            --primary-gradient: linear-gradient(135deg, #65B530 0%, #4d8a24 100%);
            --dark: #0f172a;
            --gray: #64748b;
            --light-gray: #f8fafc;
            --border: #e2e8f0;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.10);
            --radius: 16px;
            --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            padding: 16px 40px;
            border-radius: 50px;
            border: none;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 6px 24px rgba(101, 181, 48, 0.35);
            letter-spacing: 0.3px;
            position: relative;
            overflow: hidden;
        }
        .btn-primary::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, transparent 60%);
            opacity: 0;
            transition: opacity 0.4s;
        }
        .btn-primary:hover::after {
            opacity: 1;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(101, 181, 48, 0.45);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 16px 40px;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.35);
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, border-color 0.3s, transform 0.3s;
            letter-spacing: 0.3px;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: #fff;
            transform: translateY(-3px);
        }

        .btn-small {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 10px 26px;
            border-radius: 50px;
            border: none;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 4px 16px rgba(101, 181, 48, 0.25);
        }
        .btn-small:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(101, 181, 48, 0.35);
        }

        /* ============================================================
                   导航 — 字号加大加粗
                   ============================================================ */
        .navbar {
            background: #ffffff;
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: box-shadow 0.4s, background 0.4s;
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
        }
        .navbar.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .navbar .logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.5px;
        }
        .navbar .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .navbar .logo span {
            color: var(--primary);
        }

        /* 导航链接 — 字号大、加粗 */
        .navbar .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
        }
        .navbar .nav-links a {
            color: #334155;
            font-size: 1.1rem;
            font-weight: 700;
            transition: color 0.3s;
            position: relative;
            padding: 4px 0;
            letter-spacing: 0.2px;
        }
        .navbar .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary);
            transition: width 0.35s ease;
            border-radius: 4px;
        }
        .navbar .nav-links a:hover {
            color: var(--primary);
        }
        .navbar .nav-links a:hover::after {
            width: 100%;
        }
        .navbar .nav-links .btn-nav {
            background: var(--primary-gradient);
            color: #fff;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(101, 181, 48, 0.30);
            transition: transform 0.3s, box-shadow 0.3s;
            letter-spacing: 0.3px;
        }
        .navbar .nav-links .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(101, 181, 48, 0.40);
            color: #fff;
        }
        .navbar .nav-links .btn-nav::after {
            display: none;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
        }
        .nav-toggle span {
            display: block;
            width: 28px;
            height: 3px;
            background: var(--dark);
            border-radius: 4px;
            transition: all 0.3s;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ============================================================
                   英雄区
                   ============================================================ */
        .hero {
            background: linear-gradient(160deg, #0b1a08 0%, #1a2e0f 50%, #0b1a08 100%);
            padding: 80px 0 70px;
            color: #fff;
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -5%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(101, 181, 48, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            animation: floatGlow 8s ease-in-out infinite alternate;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(101, 181, 48, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            animation: floatGlow 10s ease-in-out infinite alternate-reverse;
        }
        @keyframes floatGlow {
            0% {
                transform: translate(0, 0) scale(1);
            }
            100% {
                transform: translate(30px, -20px) scale(1.1);
            }
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 60px;
        }
        .hero .hero-content {
            flex: 1;
            animation: fadeUp 0.9s ease forwards;
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(101, 181, 48, 0.18);
            border: 1px solid rgba(101, 181, 48, 0.25);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .hero .hero-badge i {
            font-size: 0.6rem;
        }
        .hero .hero-title {
            font-size: 3.4rem;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: -0.5px;
        }
        .hero .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--primary);
            opacity: 0.25;
            border-radius: 4px;
        }
        .hero .hero-sub {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            line-height: 1.2;
        }
        .hero .hero-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.80);
            max-width: 540px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero .hero-stats .stat-item {
            text-align: left;
        }
        .hero .hero-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .hero .hero-stats .stat-number span {
            color: var(--primary);
        }
        .hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.60);
        }

        .hero .hero-image {
            flex: 1;
            max-width: 48%;
            position: relative;
        }
        .hero .hero-image .img-wrapper {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.50);
            border: 2px solid rgba(255, 255, 255, 0.06);
            transition: transform 0.6s ease, box-shadow 0.6s ease;
        }
        .hero .hero-image .img-wrapper:hover {
            transform: scale(1.01);
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.60);
        }
        .hero .hero-image img {
            width: 100%;
            display: block;
            height: auto;
        }
        .hero .hero-image .floating-badge {
            position: absolute;
            bottom: -16px;
            right: -16px;
            background: #fff;
            color: var(--dark);
            padding: 16px 24px;
            border-radius: 14px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.20);
            display: flex;
            align-items: center;
            gap: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            animation: floatBadge 3s ease-in-out infinite;
        }
        .hero .hero-image .floating-badge i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        @keyframes floatBadge {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }

        /* ============================================================
                   信任标识条
                   ============================================================ */
        .trust-bar {
            background: #ffffff;
            padding: 32px 0;
            border-bottom: 1px solid var(--border);
        }
        .trust-bar .grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .trust-bar .trust-item {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            padding: 8px 0;
            transition: transform 0.3s;
        }
        .trust-bar .trust-item:hover {
            transform: translateY(-4px);
        }
        .trust-bar .trust-item .icon-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            transition: background 0.3s, color 0.3s, transform 0.5s;
        }
        .trust-bar .trust-item:hover .icon-circle {
            background: var(--primary);
            color: #fff;
            transform: rotateY(360deg);
        }
        .trust-bar .trust-item .info {
            text-align: left;
        }
        .trust-bar .trust-item .info .label {
            font-weight: 700;
            color: var(--dark);
            font-size: 1rem;
        }
        .trust-bar .trust-item .info .desc {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* ============================================================
                   通用标题
                   ============================================================ */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .tag {
            display: inline-block;
            background: var(--primary-bg);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 50px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-header h2 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-header h2 span {
            color: var(--primary);
            position: relative;
        }
        .section-header h2 span::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary);
            opacity: 0.15;
            border-radius: 4px;
        }
        .section-header p {
            color: var(--gray);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ============================================================
                   服务区域
                   ============================================================ */
        .services {
            padding: 80px 0 90px;
            background: var(--light-gray);
        }
        .services .grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .services .service-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 32px 28px 28px;
            box-shadow: var(--shadow);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            border-bottom: 4px solid transparent;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .services .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-gradient);
            transform: scaleX(0);
            transition: transform 0.5s ease;
        }
        .services .service-card:hover::before {
            transform: scaleX(1);
        }
        .services .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .services .service-card .card-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
            margin: 0 auto 16px;
            transition: background 0.4s, color 0.4s, transform 0.5s;
        }
        .services .service-card:hover .card-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.08) rotate(-4deg);
        }
        .services .service-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .services .service-card p {
            color: var(--gray);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .services .service-card .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 16px;
            transition: gap 0.3s, color 0.3s;
        }
        .services .service-card .btn-link:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        /* ============================================================
                   案例区域
                   ============================================================ */
        .cases {
            padding: 80px 0 90px;
            background: #ffffff;
        }

        .cases .grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .cases .case-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            border: 1px solid var(--border);
        }
        .cases .case-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .cases .case-card .case-image {
            height: 200px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .cases .case-card .case-image .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.30) 100%);
            z-index: 1;
        }
        .cases .case-card .case-image .case-icon {
            font-size: 3.6rem;
            color: rgba(255, 255, 255, 0.85);
            z-index: 2;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.20);
            transition: transform 0.6s ease;
        }
        .cases .case-card:hover .case-image .case-icon {
            transform: scale(1.10) rotate(-4deg);
        }
        .cases .case-card .case-image .case-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            z-index: 2;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .cases .case-card .case-body {
            padding: 22px 24px 24px;
        }
        .cases .case-card .case-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .cases .case-card .case-body h3 i {
            color: var(--primary);
            font-size: 0.9rem;
        }
        .cases .case-card .case-body .case-detail {
            font-size: 0.9rem;
            color: var(--gray);
            line-height: 1.7;
        }
        .cases .case-card .case-body .case-detail strong {
            color: var(--dark);
            font-weight: 600;
        }
        .cases .case-card .case-body .case-tags {
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .cases .case-card .case-body .case-tags .tag {
            background: var(--light-gray);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--gray);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .cases .case-card .case-body .case-tags .tag.green {
            background: var(--primary-bg);
            color: var(--primary-dark);
        }
        .cases .case-card .case-body .case-tags .tag i {
            font-size: 0.6rem;
            color: var(--primary);
        }

        .case-img-1 {
            background: linear-gradient(135deg, #0b3d2e, #1a6b4a);
        }
        .case-img-2 {
            background: linear-gradient(135deg, #1a2a6c, #2d4a9e);
        }
        .case-img-3 {
            background: linear-gradient(135deg, #4a2a1a, #8a4a2a);
        }

        /* ============================================================
                   服务流程
                   ============================================================ */
        .process {
            padding: 80px 0 90px;
            background: var(--light-gray);
        }
        .process .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }
        .process .steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }
        .process .step {
            text-align: center;
            position: relative;
            z-index: 1;
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .process .step.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .process .step .num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 1.5rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 24px rgba(101, 181, 48, 0.35);
            transition: transform 0.5s ease;
        }
        .process .step:hover .num {
            transform: scale(1.08) rotate(-4deg);
        }
        .process .step .num i {
            font-size: 1.3rem;
        }
        .process .step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }
        .process .step p {
            font-size: 0.9rem;
            color: var(--gray);
            line-height: 1.6;
            max-width: 200px;
            margin: 0 auto;
        }

        /* ============================================================
                   ★ 重新设计的 SEO 内容区：维修百科 + 常见问题
                   采用更美观的三列布局 + 精致卡片
                   ============================================================ */
        .seo-content {
            padding: 70px 0 80px;
            background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
            border-top: 1px solid var(--border);
        }
        .seo-content .section-header {
            margin-bottom: 40px;
        }

        /* 新的三列布局：百科占2列，常见问题占1列（或反过来） 这里采用 2:1 让百科更丰富 */
        .seo-content .grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        /* 维修百科卡片 — 更丰富的文章列表 */
        .seo-content .wiki-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: 32px 34px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }
        .seo-content .wiki-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .seo-content .wiki-card .card-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 22px;
            padding-bottom: 16px;
            border-bottom: 2px solid var(--primary-bg);
        }
        .seo-content .wiki-card .card-header .header-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .seo-content .wiki-card .card-header h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.3px;
        }
        .seo-content .wiki-card .card-header h3 span {
            color: var(--primary);
        }
        .seo-content .wiki-card .card-header .badge-count {
            margin-left: auto;
            background: var(--light-gray);
            color: var(--gray);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 14px;
            border-radius: 50px;
        }

        /* 百科文章列表 — 两列网格 */
        .seo-content .wiki-articles {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px 28px;
        }
        .seo-content .wiki-articles li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            transition: padding-left 0.3s, border-color 0.3s;
        }
        .seo-content .wiki-articles li:hover {
            padding-left: 6px;
            border-color: var(--primary);
        }
        .seo-content .wiki-articles li .article-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.7rem;
            flex-shrink: 0;
            transition: background 0.3s, color 0.3s;
        }
        .seo-content .wiki-articles li:hover .article-icon {
            background: var(--primary);
            color: #fff;
        }
        .seo-content .wiki-articles li a {
            color: var(--gray);
            font-size: 0.92rem;
            font-weight: 500;
            transition: color 0.3s;
            line-height: 1.4;
        }
        .seo-content .wiki-articles li a:hover {
            color: var(--primary);
        }
        .seo-content .wiki-articles li .article-tag {
            font-size: 0.6rem;
            font-weight: 700;
            color: var(--primary-dark);
            background: var(--primary-bg);
            padding: 1px 10px;
            border-radius: 50px;
            margin-left: auto;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* 常见问题卡片 — 右侧独立美观样式 */
        .seo-content .faq-card {
            background: var(--dark);
            border-radius: var(--radius);
            padding: 32px 28px 28px;
            color: #fff;
            box-shadow: var(--shadow-hover);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            display: flex;
            flex-direction: column;
        }
        .seo-content .faq-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 56px rgba(0, 0, 0, 0.18);
        }
        .seo-content .faq-card .card-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 2px solid rgba(255, 255, 255, 0.08);
        }
        .seo-content .faq-card .card-header .header-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(101, 181, 48, 0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .seo-content .faq-card .card-header h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.2px;
        }
        .seo-content .faq-card .card-header h3 span {
            color: var(--primary-light);
        }

        .seo-content .faq-list {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .seo-content .faq-list li {
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 10px;
            border-left: 3px solid var(--primary);
            transition: background 0.3s, transform 0.3s;
        }
        .seo-content .faq-list li:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(4px);
        }
        .seo-content .faq-list li .q {
            font-weight: 700;
            color: #ffffff;
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 2px;
        }
        .seo-content .faq-list li .q i {
            color: var(--primary-light);
            font-size: 0.6rem;
        }
        .seo-content .faq-list li .a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            line-height: 1.6;
            padding-left: 22px;
        }

        /* 查看全部链接 */
        .seo-content .faq-card .faq-footer {
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: right;
        }
        .seo-content .faq-card .faq-footer a {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: gap 0.3s, color 0.3s;
        }
        .seo-content .faq-card .faq-footer a:hover {
            gap: 14px;
            color: #ffffff;
        }

        /* ============================================================
                   页脚
                   ============================================================ */
        .footer {
            background: var(--dark);
            color: #94a3b8;
            padding: 0 0 20px;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding: 50px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer .footer-brand i {
            color: var(--primary);
            font-size: 1.3rem;
        }
        .footer .footer-brand span {
            color: var(--primary);
        }
        .footer-col p {
            color: #94a3b8;
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 0.9rem;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: #94a3b8;
        }
        .footer-col ul li i {
            width: 20px;
            color: var(--primary);
            font-size: 0.9rem;
        }
        .footer-col ul li a {
            color: #94a3b8;
            transition: color 0.3s;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .social-icons {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }
        .social-icons a {
            background: rgba(255, 255, 255, 0.06);
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            font-size: 1rem;
            transition: background 0.3s, color 0.3s, transform 0.3s;
        }
        .social-icons a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .qr-code {
            background: #ffffff;
            width: 96px;
            height: 96px;
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            font-size: 0.65rem;
            gap: 2px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.20);
            transition: transform 0.3s;
        }
        .qr-code:hover {
            transform: scale(1.04);
        }
        .qr-code i {
            font-size: 2.6rem;
            color: var(--dark);
        }
        .qr-code span {
            font-weight: 600;
            color: #475569;
        }
      .qr-code img{
width:100%;
height:100%;
}
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            font-size: 0.82rem;
            color: #64748b;
        }
        .footer-bottom i {
            color: var(--primary);
            margin: 0 4px;
        }

        /* ============================================================
                   滚动动画
                   ============================================================ */
        .fade-section {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============================================================
                   响应式
                   ============================================================ */
        @media (max-width: 1024px) {
            .services .grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases .grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process .steps::before {
                display: none;
            }
            .hero .hero-title {
                font-size: 2.8rem;
            }
            .hero .hero-sub {
                font-size: 2.2rem;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            /* SEO 新布局：两列变一列 */
            .seo-content .grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .seo-content .wiki-articles {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .navbar .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 16px 0 10px;
                gap: 16px;
                align-items: center;
                border-top: 1px solid var(--border);
                margin-top: 12px;
                background: #fff;
            }
            .navbar .nav-links.open {
                display: flex;
            }
            .navbar .nav-links a {
                font-size: 1rem;
                color: var(--dark);
            }
            .navbar .nav-links a::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }

            .hero {
                padding: 50px 0;
                min-height: auto;
            }
            .hero .container {
                flex-direction: column;
                gap: 30px;
            }
            .hero .hero-content {
                text-align: center;
            }
            .hero .hero-title {
                font-size: 2.2rem;
            }
            .hero .hero-sub {
                font-size: 1.8rem;
            }
            .hero .hero-desc {
                font-size: 0.95rem;
                max-width: 100%;
            }
            .hero .hero-btns {
                justify-content: center;
            }
            .hero .hero-stats {
                justify-content: center;
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero .hero-image {
                max-width: 100%;
            }
            .hero .hero-image img {
                max-height: 260px;
                object-fit: cover;
            }
            .hero .hero-image .floating-badge {
                bottom: -10px;
                right: 10px;
                padding: 12px 18px;
                font-size: 0.8rem;
            }

            .trust-bar .grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .trust-bar .trust-item {
                justify-content: center;
            }

            .services .grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .cases .grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .cases .section-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .process .steps {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .process .step p {
                max-width: 100%;
            }
            .wiki-list-page .grid {
                grid-template-columns: 1fr;
            }
            /* SEO 新布局：百科两列变一列 */
            .seo-content .wiki-articles {
                grid-template-columns: 1fr;
            }
            .seo-content .wiki-card {
                padding: 24px 20px 20px;
            }
            .seo-content .faq-card {
                padding: 24px 20px 20px;
            }

            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer .footer-grid .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 480px) {
            .hero .hero-title {
                font-size: 1.8rem;
            }
            .hero .hero-sub {
                font-size: 1.4rem;
            }
            .hero .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }
            .hero .hero-btns .btn-primary,
            .hero .hero-btns .btn-outline {
                justify-content: center;
            }
            .hero .hero-stats .stat-number {
                font-size: 1.4rem;
            }

            .trust-bar .grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .trust-bar .trust-item .info .label {
                font-size: 0.9rem;
            }
            .trust-bar .trust-item .info .desc {
                font-size: 0.75rem;
            }

            .process .steps {
                grid-template-columns: 1fr;
                max-width: 300px;
                margin: 0 auto;
            }
            .section-header h2 {
                font-size: 2rem !important;
            }

            .footer .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .footer .footer-grid .footer-col:first-child {
                grid-column: 1;
            }
            .footer-col ul li {
                justify-content: center;
            }
            .social-icons {
                justify-content: center;
            }
            .qr-code {
                margin: 0 auto;
            }
        }