/* ===== 全局重置 & 基础 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: #2c2c2c;
            background: #fdfcf7;
            line-height: 1.6;
            scroll-behavior: smooth;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 轻奢香槟金配色 ===== */
        :root {
            --gold: #C9A96E;
            --gold-dark: #B8963E;
            --gold-light: #E8D5A3;
            --gold-pale: #F5EDD6;
            --bg-dark: #1a1a1a;
            --bg-warm: #fdfcf7;
            --text-dark: #1a1a1a;
            --text-mid: #4a4a4a;
            --text-light: #7a7a7a;
            --white: #ffffff;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.10);
            --radius: 12px;
            --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== 滚动渐显动画 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal-left {
            opacity: 0;
            transform: translateX(-40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        .reveal-left.visible {
            opacity: 1;
            transform: translateX(0);
        }
        .reveal-right {
            opacity: 0;
            transform: translateX(40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        .reveal-right.visible {
            opacity: 1;
            transform: translateX(0);
        }

        /* ===== 导航栏 ===== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(201, 169, 110, 0.15);
            transition: background 0.4s ease;
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            padding-bottom: 12px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .navbar-brand .brand-name {
            color: var(--gold);
        }
        .navbar-brand .brand-tag {
            color: var(--gold-light);
            font-weight: 300;
            margin-left: 6px;
            font-size: 18px;
        }
        .navbar-phone {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--gold);
            font-size: 20px;
            font-weight: 600;
            letter-spacing: 1px;
            background: rgba(201, 169, 110, 0.10);
            padding: 8px 20px;
            border-radius: 40px;
            border: 1px solid rgba(201, 169, 110, 0.20);
            transition: var(--transition);
        }
        .navbar-phone:hover {
            background: rgba(201, 169, 110, 0.20);
            border-color: var(--gold);
        }
        .navbar-phone .phone-icon {
            font-size: 22px;
        }
        .navbar-phone a {
            color: var(--gold);
        }

        /* ===== 移动端菜单 ===== */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
        }
        .nav-toggle span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== Banner ===== */
        .banner {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 50%, #1a1a1a 100%);
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(201, 169, 110, 0.08) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 50%, rgba(201, 169, 110, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        .banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .banner-title {
            font-size: 54px;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 4px;
            line-height: 1.2;
            margin-bottom: 24px;
        }
        .banner-title .gold {
            color: var(--gold);
        }
        .banner-sub {
            font-size: 22px;
            font-weight: 300;
            color: rgba(255, 255, 255, 0.80);
            letter-spacing: 6px;
            margin-bottom: 40px;
        }
        .banner-slogan {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px 60px;
            margin-top: 16px;
        }
        .banner-slogan-item {
            font-size: 18px;
            color: var(--gold-light);
            font-weight: 400;
            letter-spacing: 2px;
            position: relative;
            opacity: 0;
            animation: sloganFadeIn 0.8s ease forwards;
        }
        .banner-slogan-item:nth-child(1) {
            animation-delay: 0.2s;
        }
        .banner-slogan-item:nth-child(2) {
            animation-delay: 0.5s;
        }
        .banner-slogan-item:nth-child(3) {
            animation-delay: 0.8s;
        }
        .banner-slogan-item:nth-child(4) {
            animation-delay: 1.1s;
        }
        .banner-slogan-item::before {
            content: '✦';
            color: var(--gold);
            margin-right: 10px;
            font-size: 14px;
        }
        @keyframes sloganFadeIn {
            0% {
                opacity: 0;
                transform: translateY(20px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .banner-typed {
            font-size: 28px;
            font-weight: 300;
            color: var(--gold);
            margin-top: 32px;
            min-height: 48px;
            letter-spacing: 2px;
        }
        .banner-typed .cursor {
            display: inline-block;
            width: 3px;
            height: 32px;
            background: var(--gold);
            margin-left: 4px;
            animation: blink 1s step-end infinite;
        }
        @keyframes blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0;
            }
        }

        /* ===== 公司介绍 ===== */
        .about-section {
            padding: 100px 0;
            background: var(--bg-warm);
        }
        .about-wrapper {
            display: flex;
            align-items: center;
            gap: 60px;
        }
        .about-text {
            flex: 1;
        }
        .about-text .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--gold-dark);
            letter-spacing: 4px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border-left: 3px solid var(--gold);
            padding-left: 14px;
        }
        .about-text h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .about-text h2 .gold {
            color: var(--gold);
        }
        .about-text p {
            font-size: 16px;
            color: var(--text-mid);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .about-text .about-phone {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            background: var(--gold);
            color: #fff;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 2px;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(201, 169, 110, 0.30);
        }
        .about-text .about-phone:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(201, 169, 110, 0.40);
        }
        .about-image {
            flex: 0 0 600px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            transition: var(--transition);
        }
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .about-image:hover {
            transform: scale(1.01);
        }

        /* ===== 通用 Section 标题 ===== */
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--gold-dark);
            letter-spacing: 4px;
            text-transform: uppercase;
            margin-bottom: 8px;
            border-left: 3px solid var(--gold);
            padding-left: 14px;
        }
        .section-header h2 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .section-header h2 .gold {
            color: var(--gold);
        }
        .section-header p {
            font-size: 17px;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto;
        }

        /* ===== 服务项目 ===== */
        .services-section {
            padding: 100px 0;
            background: #f8f6f0;
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .service-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 32px 24px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 3px solid transparent;
            text-align: center;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-top-color: var(--gold);
        }
        .service-card .icon {
            font-size: 40px;
            margin-bottom: 16px;
            display: block;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 核心优势 ===== */
        .advantages-section {
            padding: 100px 0;
            background: var(--bg-warm);
        }
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .advantage-card {
            display: flex;
            gap: 20px;
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 32px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            align-items: flex-start;
        }
        .advantage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .advantage-card .num {
            flex: 0 0 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gold-pale);
            color: var(--gold-dark);
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .advantage-card .content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .advantage-card .content p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 产品展示 ===== */
        .products-section {
            padding: 100px 0;
            background: #f8f6f0;
        }
        .product-series {
            margin-bottom: 64px;
        }
        .product-series:last-child {
            margin-bottom: 0;
        }
        .series-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .series-title::after {
            content: '';
            flex: 1;
            height: 1px;
            background: linear-gradient(to right, var(--gold-light), transparent);
        }
        .series-title .badge {
            font-size: 14px;
            font-weight: 500;
            color: var(--gold-dark);
            background: var(--gold-pale);
            padding: 2px 16px;
            border-radius: 20px;
        }
        .product-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .product-item {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            cursor: pointer;
        }
        .product-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .product-item .img-wrap {
            position: relative;
            width: 100%;
            padding-bottom: 100%;
            overflow: hidden;
            background: #f0ede6;
        }
        .product-item .img-wrap img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .product-item:hover .img-wrap img {
            transform: scale(1.08);
        }
        .product-item .p-name {
            padding: 16px 16px 18px;
            text-align: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            background: var(--white);
            border-top: 1px solid rgba(201, 169, 110, 0.10);
        }
        .product-item .p-name .a-tag {
            color: var(--gold-dark);
            font-weight: 400;
        }

        /* ===== 合作案例 ===== */
        .cases-section {
            padding: 100px 0;
            background: var(--bg-warm);
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 28px;
        }
        .case-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 32px 20px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .case-card .icon {
            font-size: 44px;
            margin-bottom: 12px;
            display: block;
        }
        .case-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .case-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== 口碑数据 ===== */
        .stats-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
            color: var(--white);
            text-align: center;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }
        .stats-item .number {
            font-size: 52px;
            font-weight: 800;
            color: var(--gold);
            letter-spacing: 2px;
        }
        .stats-item .label {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.70);
            margin-top: 6px;
            letter-spacing: 2px;
        }

        /* ===== 底部 ===== */
        .footer {
            background: #111;
            padding: 48px 0 32px;
            border-top: 1px solid rgba(201, 169, 110, 0.12);
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 28px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 1px;
        }
        .footer-brand .tag {
            color: var(--gold-light);
            font-weight: 300;
        }
        .footer-phone {
            font-size: 18px;
            color: var(--gold-light);
            font-weight: 500;
            letter-spacing: 1px;
        }
        .footer-phone a {
            color: var(--gold);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.40);
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            margin-top: 8px;
        }
        .friend-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
            transition: var(--transition);
            letter-spacing: 0.5px;
        }
        .friend-links a:hover {
            color: var(--gold-light);
        }

        /* ===== 移动端一键拨号 ===== */
        .mobile-phone-btn {
            display: none;
            position: fixed;
            right: 24px;
            bottom: 32px;
            z-index: 999;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--gold);
            color: #fff;
            font-size: 28px;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 32px rgba(201, 169, 110, 0.45);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .mobile-phone-btn:hover {
            transform: scale(1.06);
            box-shadow: 0 12px 40px rgba(201, 169, 110, 0.55);
        }
        .mobile-phone-btn a {
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 100%;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .about-image {
                flex: 0 0 420px;
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .navbar .container {
                padding-top: 10px;
                padding-bottom: 10px;
            }
            .navbar-brand {
                font-size: 18px;
            }
            .navbar-brand .brand-tag {
                font-size: 15px;
            }
            .navbar-phone {
                font-size: 16px;
                padding: 6px 16px;
                gap: 6px;
            }
            .navbar-phone .phone-icon {
                font-size: 18px;
            }
            .nav-toggle {
                display: flex;
            }

            .banner {
                padding: 120px 0 70px;
                min-height: auto;
            }
            .banner-title {
                font-size: 32px;
                letter-spacing: 2px;
            }
            .banner-sub {
                font-size: 16px;
                letter-spacing: 3px;
                margin-bottom: 24px;
            }
            .banner-slogan {
                gap: 16px 30px;
            }
            .banner-slogan-item {
                font-size: 14px;
            }
            .banner-typed {
                font-size: 18px;
                min-height: 36px;
            }

            .about-wrapper {
                flex-direction: column;
                gap: 32px;
            }
            .about-image {
                flex: 0 0 auto;
                width: 100%;
            }
            .about-text h2 {
                font-size: 28px;
            }

            .section-header h2 {
                font-size: 28px;
            }

            .services-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .service-card {
                padding: 24px 16px;
            }

            .advantages-grid {
                grid-template-columns: 1fr;
            }
            .advantage-card {
                padding: 20px 24px;
            }

            .product-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .series-title {
                font-size: 20px;
            }

            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .stats-item .number {
                font-size: 38px;
            }

            .footer-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .mobile-phone-btn {
                display: flex;
            }
        }

        @media (max-width: 480px) {
            .navbar-brand {
                font-size: 15px;
            }
            .navbar-brand .brand-tag {
                font-size: 13px;
                margin-left: 4px;
            }
            .navbar-phone {
                font-size: 13px;
                padding: 4px 12px;
            }
            .navbar-phone .phone-icon {
                font-size: 14px;
            }

            .banner-title {
                font-size: 26px;
            }
            .banner-sub {
                font-size: 14px;
            }
            .banner-slogan-item {
                font-size: 13px;
            }

            .about-text h2 {
                font-size: 24px;
            }
            .about-text p {
                font-size: 15px;
            }

            .services-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .service-card {
                padding: 18px 12px;
            }
            .service-card .icon {
                font-size: 32px;
            }
            .service-card h3 {
                font-size: 15px;
            }

            .product-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .product-item .p-name {
                font-size: 14px;
                padding: 12px 10px 14px;
            }

            .cases-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .case-card {
                padding: 24px 14px 20px;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .mobile-phone-btn {
                width: 52px;
                height: 52px;
                font-size: 24px;
                right: 16px;
                bottom: 24px;
            }
        }

        /* ===== 辅助类 ===== */
        .text-gold {
            color: var(--gold);
        }
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }

        /* ===== 平滑容器间距 ===== */
        section {
            position: relative;
        }
        
    /* ========== 完整样式 ========== */
.city-station-wrap {
    position: relative;
    display: inline-block;
    margin-left: 12px;
}
.city-station-trigger {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    color: #f97316;
    font-size: 14px;
    font-weight: 500;
    padding: 4px 8px;
    transition: color 0.2s;
    user-select: none;
}
.city-station-trigger:hover {
    color: #ea580c;
}
.city-station-trigger .arrow-icon {
    width: 14px;
    height: 14px;
    margin-left: 4px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    transition: transform 0.3s ease 0.08s;
}
.city-station-wrap:hover .city-station-trigger .arrow-icon {
    transform: rotate(180deg);
}

.city-station-dropdown {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;                     /* 紧贴触发器底部 */
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.10), 0 4px 16px rgba(0, 0, 0, 0.06);
    padding: 20px 28px 24px 28px;  /* 上内边距提供视觉间距 */
    min-width: 560px;
    max-width: 640px;
    z-index: 9999;
    animation: dropdownFade 0.2s ease;
}
/* 透明桥接：消除鼠标移动路径中的间隙 */
.city-station-dropdown::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
    background: transparent;
    pointer-events: none;
}

.city-station-wrap:hover .city-station-dropdown {
    display: block;
}

@keyframes dropdownFade {
    0% { opacity: 0; transform: translateY(-6px); }
    100% { opacity: 1; transform: translateY(0); }
}

.city-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px 16px;
}
.city-grid a {
    display: block;
    padding: 6px 4px;
    text-align: center;
    font-size: 14px;
    color: #4a4a4a;
    border-radius: 4px;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.2s, color 0.2s;
}
.city-grid a:hover {
    background-color: #fff4e6;
    color: #f97316;
}

.city-more {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
    text-align: center;
}
.city-more a {
    font-size: 14px;
    font-weight: 500;
    color: #f97316;
    text-decoration: none;
    transition: color 0.2s;
}
.city-more a:hover {
    color: #ea580c;
}

/* ========== 移动端 ========== */
@media (max-width: 640px) {
    .city-station-dropdown {
        left: 50%;
        transform: translateX(-50%);
        min-width: 300px;
        max-width: 320px;
        padding: 16px 18px;
    }
    .city-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px 12px;
    }
    .city-grid a {
        font-size: 13px;
        padding: 6px 2px;
    }
    .city-more {
        margin-top: 12px;
        padding-top: 10px;
    }
}