/* roulang page: index */
:root {
            --milan-red: #B81C3D;
            --amber-gold: #D4A03C;
            --esport-purple: #6C2D82;
            --deep-ink: #121117;
            --charcoal: #1D1C23;
            --warm-white: #F2EEE8;
            --ash-gray: #B0ADB5;
            --lime-glow: #A8E630;
            --brand-gradient: linear-gradient(135deg, #B81C3D 0%, #6C2D82 100%);
            --card-glow-gradient: linear-gradient(180deg, rgba(184, 28, 61, 0.05) 0%, rgba(108, 45, 130, 0.08) 100%);
            --badge-gradient: linear-gradient(145deg, #1D1C23 0%, #2A2835 100%);
            --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
            --card-shadow-hover: 0 12px 40px rgba(184, 28, 61, 0.15);
            --card-border: 1px solid rgba(255, 255, 255, 0.06);
            --card-border-hover: 1px solid rgba(212, 160, 60, 0.3);
            --btn-glow: 0 0 28px rgba(184, 28, 61, 0.5);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            font-size: 16px;
            line-height: 1.75;
            font-weight: 400;
            color: #F2EEE8;
            background-color: #121117;
            overflow-x: hidden;
            -webkit-tap-highlight-color: transparent;
        }

        ::selection {
            background-color: rgba(184, 28, 61, 0.45);
            color: #F2EEE8;
        }

        ::-moz-selection {
            background-color: rgba(184, 28, 61, 0.45);
            color: #F2EEE8;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-smooth);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--amber-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
        }

        /* 导航 */
        #header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 0 20px;
            height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(18, 17, 23, 0.4);
            backdrop-filter: blur(0px);
            -webkit-backdrop-filter: blur(0px);
            border-bottom: 1px solid transparent;
            transition: all var(--transition-smooth);
        }

        #header.scrolled {
            background: rgba(18, 17, 23, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        #header .logo {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #F2EEE8;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            transition: color var(--transition-smooth);
        }
        #header .logo:hover {
            color: #D4A03C;
        }
        #header .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #F2EEE8;
            flex-shrink: 0;
        }

        #header .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        #header .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: #B0ADB5;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-smooth);
            white-space: nowrap;
        }
        #header .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: #D4A03C;
            transition: all var(--transition-smooth);
            transform: translateX(-50%);
            border-radius: 1px;
        }
        #header .nav-links a:hover {
            color: #D4A03C;
        }
        #header .nav-links a:hover::after {
            width: 100%;
        }
        #header .nav-links a.active {
            color: #D4A03C;
            font-weight: 600;
        }

        #header .nav-cta {
            display: inline-block;
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.8px;
            color: #F2EEE8;
            background: var(--brand-gradient);
            border-radius: 10px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            text-decoration: none;
        }
        #header .nav-cta:hover {
            box-shadow: var(--btn-glow);
            transform: translateY(-1px);
        }

        /* 汉堡菜单 */
        #hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 110;
            padding: 8px;
            background: transparent;
            border: none;
            width: 40px;
            height: 32px;
            justify-content: center;
            align-items: center;
        }
        #hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: #F2EEE8;
            border-radius: 2px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }
        #hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        #hamburger.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        #hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        #mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(18, 17, 23, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            z-index: 105;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 32px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        #mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
        }
        #mobile-menu a {
            font-size: 22px;
            font-weight: 600;
            color: #F2EEE8;
            transition: color var(--transition-smooth);
            text-decoration: none;
        }
        #mobile-menu a:hover {
            color: #D4A03C;
        }
        #mobile-menu .mobile-cta {
            margin-top: 16px;
            padding: 14px 40px;
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 1px;
            color: #F2EEE8;
            background: var(--brand-gradient);
            border-radius: 10px;
            transition: all var(--transition-smooth);
            text-decoration: none;
        }
        #mobile-menu .mobile-cta:hover {
            box-shadow: var(--btn-glow);
        }

        /* Hero */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background-color: #121117;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        #hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(184, 28, 61, 0.35) 0%, rgba(108, 45, 130, 0.3) 50%, rgba(18, 17, 23, 0.55) 100%);
            z-index: 1;
        }
        #hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 25% 35%, rgba(212, 160, 60, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(184, 28, 61, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 40% 75%, rgba(108, 45, 130, 0.05) 0%, transparent 40%);
            z-index: 1;
            animation: heroShimmer 8s ease-in-out infinite;
        }
        @keyframes heroShimmer {
            0%,
            100% {
                opacity: 0.7;
            }
            50% {
                opacity: 1;
            }
        }
        #hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: 100px 20px 80px;
            width: 100%;
        }
        #hero .hero-inner {
            max-width: 650px;
        }
        #hero h1 {
            font-size: clamp(34px, 5vw, 54px);
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin: 0 0 18px;
            background: linear-gradient(135deg, #F2EEE8 0%, #D4A03C 60%, #F2EEE8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            color: transparent;
        }
        #hero .hero-subtitle {
            font-size: clamp(16px, 2vw, 18px);
            color: #B0ADB5;
            line-height: 1.7;
            margin: 0 0 32px;
            max-width: 520px;
        }
        #hero .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        #hero .btn-primary {
            display: inline-block;
            padding: 15px 38px;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 1px;
            color: #F2EEE8;
            background: var(--brand-gradient);
            border-radius: 10px;
            transition: all var(--transition-smooth);
            text-decoration: none;
            text-align: center;
            border: none;
        }
        #hero .btn-primary:hover {
            box-shadow: var(--btn-glow);
            transform: translateY(-2px);
            background: linear-gradient(150deg, #B81C3D 0%, #6C2D82 100%);
        }
        #hero .btn-primary:active {
            transform: scale(0.97);
        }
        #hero .btn-secondary {
            display: inline-block;
            padding: 14px 36px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: #D4A03C;
            background: transparent;
            border: 1.5px solid #D4A03C;
            border-radius: 10px;
            transition: all var(--transition-smooth);
            text-decoration: none;
            text-align: center;
        }
        #hero .btn-secondary:hover {
            background: rgba(212, 160, 60, 0.08);
            border-color: #B81C3D;
            color: #F2EEE8;
        }

        /* 区块通用 */
        .section-block {
            padding: 90px 20px;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        .section-title {
            font-size: clamp(26px, 3.5vw, 34px);
            font-weight: 700;
            color: #F2EEE8;
            margin: 0 0 10px;
            text-align: center;
            position: relative;
            padding-bottom: 16px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 4px;
            border-radius: 2px;
            background: var(--brand-gradient);
        }
        .section-subtitle {
            text-align: center;
            color: #B0ADB5;
            font-size: 16px;
            margin: 8px 0 44px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 服务卡片 */
        #services .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        #services .service-card {
            background: #1D1C23;
            border-radius: 20px;
            padding: 30px 28px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            overflow: hidden;
        }
        #services .service-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--card-glow-gradient);
            opacity: 0;
            transition: opacity var(--transition-smooth);
            border-radius: 20px;
            z-index: 0;
        }
        #services .service-card:hover::before {
            opacity: 1;
        }
        #services .service-card:hover {
            border-color: rgba(212, 160, 60, 0.3);
            box-shadow: 0 12px 40px rgba(184, 28, 61, 0.15);
            transform: translateY(-4px);
        }
        #services .service-card .svc-icon {
            width: 64px;
            height: 64px;
            border-radius: 14px;
            background: linear-gradient(145deg, #1D1C23 0%, #2A2835 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
        }
        #services .service-card:hover .svc-icon {
            background: var(--brand-gradient);
        }
        #services .service-card:hover .svc-icon svg {
            color: #F2EEE8;
        }
        #services .service-card .svc-icon svg {
            width: 30px;
            height: 30px;
            color: #D4A03C;
            transition: color var(--transition-smooth);
        }
        #services .service-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: #F2EEE8;
            margin: 0;
            position: relative;
            z-index: 1;
        }
        #services .service-card p {
            font-size: 14.5px;
            color: #B0ADB5;
            margin: 0;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        #services .service-card .svc-link {
            font-size: 14px;
            font-weight: 500;
            color: #D4A03C;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            position: relative;
            z-index: 1;
            transition: color var(--transition-smooth);
            text-decoration: none;
        }
        #services .service-card .svc-link:hover {
            color: #B81C3D;
        }
        #services .service-card .svc-link .arrow {
            transition: transform var(--transition-smooth);
        }
        #services .service-card:hover .svc-link .arrow {
            transform: translateX(4px);
        }

        /* 数据徽章 */
        #data .badges-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        #data .badge-card {
            background: var(--badge-gradient);
            border-radius: 24px;
            padding: 32px 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-smooth);
        }
        #data .badge-card:hover {
            box-shadow: 0 12px 40px rgba(184, 28, 61, 0.2);
            transform: translateY(-3px);
            border-color: rgba(212, 160, 60, 0.25);
        }
        #data .badge-number {
            font-size: clamp(40px, 5vw, 50px);
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #D4A03C 0%, #F2EEE8 40%, #D4A03C 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            color: transparent;
            transition: transform var(--transition-smooth);
            display: inline-block;
        }
        #data .badge-card:hover .badge-number {
            transform: scale(1.05);
        }
        #data .badge-unit {
            font-size: 20px;
            font-weight: 700;
            color: #D4A03C;
            margin-left: 2px;
        }
        #data .badge-label {
            font-size: 14px;
            color: #B0ADB5;
            margin-top: 6px;
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        /* 案例卡片 */
        #cases .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        #cases .case-card {
            background: #1D1C23;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-smooth);
        }
        #cases .case-card:hover {
            border-color: rgba(212, 160, 60, 0.3);
            box-shadow: 0 12px 40px rgba(184, 28, 61, 0.15);
            transform: translateY(-4px);
        }
        #cases .case-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: filter var(--transition-smooth);
            display: block;
        }
        #cases .case-card:hover .case-img {
            filter: brightness(1.15);
        }
        #cases .case-body {
            padding: 22px 24px 24px;
        }
        #cases .case-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: #F2EEE8;
            margin: 0 0 10px;
        }
        #cases .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }
        #cases .case-tags span {
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: #D4A03C;
            background: rgba(212, 160, 60, 0.12);
            padding: 5px 12px;
            border-radius: 20px;
        }
        #cases .case-body p {
            font-size: 14px;
            color: #B0ADB5;
            margin: 0;
            line-height: 1.7;
        }

        /* 解决方案 */
        #solutions .solutions-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        #solutions .solutions-text h2 {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            color: #F2EEE8;
            margin: 0 0 16px;
            position: relative;
            padding-bottom: 14px;
        }
        #solutions .solutions-text h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 4px;
            border-radius: 2px;
            background: var(--brand-gradient);
        }
        #solutions .solutions-text p {
            color: #B0ADB5;
            font-size: 15px;
            line-height: 1.75;
            margin: 0 0 20px;
        }
        #solutions .solutions-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        #solutions .solutions-text ul li {
            color: #B0ADB5;
            font-size: 15px;
            padding-left: 20px;
            position: relative;
            line-height: 1.6;
        }
        #solutions .solutions-text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 2px;
            background: #D4A03C;
            transform: rotate(45deg);
        }
        #solutions .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 40px;
        }
        #solutions .steps-list::before {
            content: '';
            position: absolute;
            left: 23px;
            top: 28px;
            bottom: 28px;
            width: 2px;
            background: rgba(212, 160, 60, 0.3);
            border-radius: 1px;
        }
        #solutions .step-item {
            position: relative;
            padding: 16px 0 16px 28px;
        }
        #solutions .step-item .step-num {
            position: absolute;
            left: -40px;
            top: 10px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #F2EEE8;
            z-index: 2;
            box-shadow: 0 4px 16px rgba(184, 28, 61, 0.3);
        }
        #solutions .step-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: #F2EEE8;
            margin: 0 0 4px;
        }
        #solutions .step-item p {
            font-size: 14px;
            color: #B0ADB5;
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        #faq .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 800px;
            margin: 0 auto;
        }
        #faq .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        #faq .faq-item.open {
            border-color: rgba(184, 28, 61, 0.3);
            background: rgba(255, 255, 255, 0.05);
        }
        #faq .faq-question {
            padding: 17px 20px;
            font-size: 17px;
            font-weight: 600;
            color: #F2EEE8;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-smooth);
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }
        #faq .faq-question:hover {
            color: #D4A03C;
        }
        #faq .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #D4A03C;
            transition: all var(--transition-smooth);
        }
        #faq .faq-item.open .faq-icon {
            background: rgba(184, 28, 61, 0.25);
            transform: rotate(45deg);
        }
        #faq .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        #faq .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        #faq .faq-answer p {
            font-size: 15px;
            color: #B0ADB5;
            line-height: 1.75;
            margin: 0;
            font-weight: 400;
        }

        /* CTA */
        #contact {
            background: linear-gradient(135deg, rgba(184, 28, 61, 0.9) 0%, rgba(108, 45, 130, 0.9) 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 20px;
            text-align: center;
        }
        #contact::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 20% 30%, rgba(212, 160, 60, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 75% 65%, rgba(255, 255, 255, 0.04) 0%, transparent 40%);
            z-index: 1;
        }
        #contact .contact-inner {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }
        #contact h2 {
            font-size: clamp(26px, 3.5vw, 34px);
            font-weight: 700;
            color: #F2EEE8;
            margin: 0 0 12px;
        }
        #contact .contact-subtitle {
            font-size: 16px;
            color: rgba(242, 238, 232, 0.85);
            margin: 0 0 32px;
            line-height: 1.6;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        #contact .btn-cta-large {
            display: inline-block;
            padding: 17px 50px;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 1px;
            color: #121117;
            background: #F2EEE8;
            border-radius: 10px;
            transition: all var(--transition-smooth);
            text-decoration: none;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }
        #contact .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 44px rgba(0, 0, 0, 0.45);
            background: #D4A03C;
            color: #121117;
        }
        #contact .btn-cta-large:active {
            transform: scale(0.97);
        }
        #contact .contact-info-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px;
            margin-top: 36px;
        }
        #contact .contact-info-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(242, 238, 232, 0.9);
            text-decoration: none;
            transition: color var(--transition-smooth);
        }
        #contact .contact-info-item:hover {
            color: #D4A03C;
        }
        #contact .contact-info-item svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }

        /* 页脚 */
        #footer {
            background: #121117;
            padding: 40px 20px;
            border-top: 1px solid transparent;
            border-image: linear-gradient(to right, transparent, rgba(212, 160, 60, 0.35), transparent) 1;
            text-align: center;
        }
        #footer .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }
        #footer .footer-logo {
            font-weight: 700;
            font-size: 20px;
            color: #F2EEE8;
            display: flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }
        #footer .footer-logo:hover {
            color: #D4A03C;
        }
        #footer .footer-tagline {
            font-size: 13px;
            color: #B0ADB5;
            margin: 0;
        }
        #footer .footer-nav {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        #footer .footer-nav a {
            font-size: 13px;
            color: #B0ADB5;
            transition: color var(--transition-smooth);
            text-decoration: none;
        }
        #footer .footer-nav a:hover {
            color: #D4A03C;
        }
        #footer .footer-copy {
            font-size: 13px;
            color: #B0ADB5;
            margin: 0;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            #services .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            #cases .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            #data .badges-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            #solutions .solutions-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            #solutions .solutions-text h2::after {
                left: 50%;
                transform: translateX(-50%);
            }
            #solutions .solutions-text {
                text-align: center;
            }
            #solutions .solutions-text ul li {
                padding-left: 0;
                text-align: center;
            }
            #solutions .solutions-text ul li::before {
                display: none;
            }
            #header .nav-links {
                gap: 18px;
            }
            #header .nav-links a {
                font-size: 13px;
            }
            #header .nav-cta {
                padding: 7px 16px;
                font-size: 12px;
            }
        }
        @media (max-width: 768px) {
            #header .nav-links,
            #header .nav-cta {
                display: none;
            }
            #hamburger {
                display: flex;
            }
            #mobile-menu {
                display: flex;
            }
            #services .services-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            #cases .cases-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            #data .badges-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            #hero {
                min-height: 85vh;
            }
            #hero .hero-inner {
                text-align: center;
                max-width: 100%;
            }
            #hero .hero-buttons {
                justify-content: center;
            }
            #hero .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .section-block {
                padding: 60px 16px;
            }
            #services .service-card {
                padding: 22px 18px;
                border-radius: 16px;
            }
            #cases .case-card {
                border-radius: 16px;
            }
            #data .badge-card {
                border-radius: 20px;
                padding: 24px 16px;
            }
            #contact {
                padding: 60px 16px;
            }
            #contact .contact-info-row {
                gap: 16px;
                flex-direction: column;
                align-items: center;
            }
            #footer .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }
            #footer .footer-nav {
                justify-content: center;
            }
            .section-title {
                font-size: 24px;
            }
            #faq .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            #faq .faq-answer {
                padding: 0 16px;
            }
            #faq .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }
        @media (max-width: 520px) {
            #data .badges-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            #data .badge-number {
                font-size: 34px;
            }
            #hero h1 {
                font-size: 28px;
            }
            #hero .hero-subtitle {
                font-size: 15px;
            }
            #hero .btn-primary,
            #hero .btn-secondary {
                padding: 12px 24px;
                font-size: 14px;
            }
            #mobile-menu a {
                font-size: 18px;
            }
        }