/* Hero Section */
        .hero-section {
            position: relative;
            width: 100%;
            min-height: calc(100vh - 60px); /* 扣除 sticky 导航栏高度 */
            overflow: hidden;
            padding-top: 0;
            box-sizing: border-box;
            display: flex;
            flex-direction: column;
        }
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
        }
        .hero-content {
            position: relative;
            z-index: 10;
            display: flex;
            justify-content: center;
            align-items: center;
            flex: 1;
            padding: 24px 20px;
        }
        .hero-inner {
            text-align: center;
            max-width: 700px;
            padding-top: 20px;
        }
        .hero-title {
            font-size: 46px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 3px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }
        .hero-subtitle {
            font-size: 22px;
            color: rgba(255,255,255,0.95);
            margin-bottom: 22px;
            letter-spacing: 7px;
            font-weight: 300;
        }
        .hero-divider {
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, #ff9900, #ffcc00);
            margin: 0 auto 24px;
            border-radius: 2px;
        }
        .scroll-indicator {
            position: absolute;
            bottom: 60px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            animation: bounce 2s infinite;
            background: rgba(255,153,0,0.95);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(255,153,0,0.6), 0 0 0 2px rgba(255,255,255,0.3);
        }
        .scroll-indicator i {
            font-size: 18px;
            color: #fff;
        }
        .scroll-indicator:hover {
            background: #ff9900;
            transform: translateX(-50%) scale(1.1);
        }
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
            40% { transform: translateX(-50%) translateY(-10px); }
            60% { transform: translateX(-50%) translateY(-5px); }
        }
        .hero-qrcode {
            margin-top: 28px;
            text-align: center;
        }
        .qrcode-img {
            width: 150px;
            height: 150px;
            border-radius: 14px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }
        .qrcode-text {
            color: #fff;
            font-size: 16px;
            margin-top: 10px;
            letter-spacing: 2px;
            text-shadow: 0 1px 3px rgba(0,0,0,0.3);
        }

        /* ===== Hero 遮罩层：保证卡片与文字在背景图上的可读性 ===== */
        .hero-overlay {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(180deg, rgba(0, 25, 60, 0.28), rgba(0, 25, 60, 0.5));
            z-index: 1;
        }

        /* ===== 快捷服务卡片（原 About 板块整合进 Hero） ===== */
        .hero-inner { max-width: 980px; }
        .hero-services {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 34px;
        }
        .hero-service-card {
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.22);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            border-radius: 16px;
            padding: 24px 18px;
            text-align: center;
            text-decoration: none;
            color: #fff;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
        }
        .hero-service-card:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
            color: #fff;
            text-decoration: none;
        }
        .hero-service-card:focus-visible {
            outline: 3px solid #ffcc00;
            outline-offset: 2px;
        }
        .hsc-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            margin: 0 auto 12px;
            border-radius: 50%;
            background: #f2c64d;
            color: #161922;
            font-size: 26px;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .hsc-icon-dark { background: #161922; color: #f2c64d; }
        .hero-service-card:hover .hsc-icon { transform: scale(1.08); }
        .hsc-title {
            display: block;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }
        .hsc-desc {
            display: block;
            font-size: 12.5px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.85);
        }

        /* ====== 高度适配：屏幕较矮时压缩内容，保证首屏完整可见 ====== */
        @media (max-height: 960px) {
            .hero-title { font-size: 36px; margin-bottom: 10px; }
            .hero-subtitle { font-size: 17px; margin-bottom: 12px; letter-spacing: 5px; }
            .hero-divider { margin-bottom: 14px; }
            .hero-services { margin-top: 18px; gap: 12px; }
            .hero-service-card { padding: 12px 12px; }
            .hsc-icon { width: 44px; height: 44px; font-size: 19px; margin-bottom: 6px; }
            .hsc-desc { font-size: 11.5px; }
            .hero-qrcode { margin-top: 14px; }
            .qrcode-img { width: 130px; height: 130px; }
            .qrcode-text { font-size: 15px; margin-top: 6px; }
            .scroll-indicator { bottom: 50px; width: 38px; height: 38px; }
        }
        @media (max-height: 700px) {
            .hero-title { font-size: 32px; }
            .hero-subtitle { font-size: 15px; letter-spacing: 3px; margin-bottom: 12px; }
            .hero-services { margin-top: 14px; gap: 10px; }
            .hero-service-card { padding: 10px 8px; border-radius: 12px; }
            .hsc-icon { width: 40px; height: 40px; font-size: 17px; margin-bottom: 5px; }
            .hsc-title { font-size: 13px; margin-bottom: 0; }
            .hsc-desc { display: none; }
            .hero-qrcode { margin-top: 12px; }
            .qrcode-img { width: 100px; height: 100px; }
            .qrcode-text { font-size: 13px; margin-top: 5px; }
        }
        /* 横屏/超矮屏：隐藏二维码，保证核心内容一屏可见 */
        @media (max-height: 560px) {
            .hero-qrcode { display: none; }
            .hero-services { margin-top: 12px; }
            .hero-title { font-size: 26px; }
        }

        @media (max-width: 768px) {
            .hero-title { font-size: 32px; letter-spacing: 2px; }
            .hero-subtitle { font-size: 16px; letter-spacing: 4px; }
            /* 卡片 3 列网格，压缩为 图标+名称，隐藏说明文字 */
            .hero-services { gap: 8px; margin-top: 20px; }
            .hero-service-card { padding: 12px 6px; border-radius: 12px; }
            .hsc-icon { width: 42px; height: 42px; font-size: 18px; margin-bottom: 6px; }
            .hsc-title { font-size: 12.5px; letter-spacing: 0; margin-bottom: 0; }
            .hsc-desc { display: none; }
        }

        /* ===== 翻译咨询弹窗 ===== */
        .translate-modal {
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            z-index: 100000;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            visibility: hidden;
            opacity: 0;
            transition: opacity 0.25s ease, visibility 0.25s ease;
        }
        .translate-modal.open {
            visibility: visible;
            opacity: 1;
        }
        .tm-overlay {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0, 20, 45, 0.55);
        }
        .tm-dialog {
            position: relative;
            background: #fff;
            border-radius: 20px;
            padding: 28px 26px 22px;
            max-width: 380px;
            width: 100%;
            text-align: center;
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
            transform: translateY(16px) scale(0.96);
            transition: transform 0.25s ease;
            max-height: 90vh;
            overflow-y: auto;
        }
        .translate-modal.open .tm-dialog {
            transform: translateY(0) scale(1);
        }
        .tm-close {
            position: absolute;
            top: 10px;
            right: 14px;
            background: none;
            border: none;
            font-size: 28px;
            color: #9ca3af;
            cursor: pointer;
            line-height: 1;
            padding: 4px 8px;
            transition: color 0.2s ease;
        }
        .tm-close:hover { color: #1f2937; }
        .tm-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 12px;
            background: linear-gradient(135deg, #2f7fd6, #174a8a);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
        }
        .tm-title {
            font-size: 20px;
            color: #1f2937;
            margin: 0 0 4px;
            font-weight: 600;
        }
        .tm-subtitle {
            color: #6b7280;
            font-size: 13px;
            margin: 0 0 14px;
        }
        .tm-qr {
            background: #f9fafb;
            border-radius: 12px;
            padding: 12px;
            margin-bottom: 14px;
        }
        .tm-qr img {
            max-width: 180px;
            max-height: 180px;
            width: auto;
            height: auto;
            display: block;
            margin: 0 auto;
            border-radius: 6px;
        }
        .tm-qr-tip {
            margin: 12px 0 0;
            font-size: 13px;
            color: #6b7280;
        }
        /* 弹窗操作按钮 */
        .tm-actions {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 14px;
        }
        .tm-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 42px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
            transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
        }
        .tm-btn i { font-size: 16px; }
        .tm-btn-primary {
            background: linear-gradient(135deg, #2f7fd6, #174a8a);
            color: #fff;
            border: none;
            box-shadow: 0 8px 18px rgba(23, 74, 138, 0.28);
        }
        .tm-btn-primary:hover {
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(23, 74, 138, 0.34);
        }
        .tm-btn-outline {
            background: #fff;
            color: #174a8a;
            border: 1.5px solid #2f7fd6;
        }
        .tm-btn-outline:hover {
            background: #eff6ff;
            color: #174a8a;
            text-decoration: none;
        }
        .tm-tips {
            background: #eff6ff;
            border-radius: 12px;
            padding: 14px 18px;
            text-align: left;
        }
        .tm-tips-title {
            font-size: 14px;
            font-weight: 600;
            color: #1e40af;
            margin-bottom: 6px;
        }
        .tm-tips-title i { margin-right: 5px; }
        .tm-tips ul {
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 13px;
            color: #3b82f6;
            line-height: 1.9;
        }
        .tm-tips li::before {
            content: "•";
            margin-right: 8px;
        }
        .tm-phone {
            color: #174a8a;
            font-weight: 700;
            text-decoration: none;
        }
        .tm-phone:hover { text-decoration: underline; }