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

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
            background-color: #0a0c0b;
            color: #e4e9e7;
            line-height: 1.5;
        }

        .container-global-wide {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .header-navigation-premium {
            background: rgba(10, 15, 13, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(46, 125, 90, 0.25);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-flex-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            flex-wrap: wrap;
        }

        .logo-identity-heavy {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .logo-symbol-dark {
            background: #1b5e3f;
            color: #ffffff;
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            box-shadow: 0 8px 18px rgba(0, 30, 20, 0.7);
            border: 1px solid #2f8a5e;
        }

        .logo-text-premium h1 {
            font-size: 1.9rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #e2f0e8;
            margin: 0;
            line-height: 1.2;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
        }

        .logo-text-premium .logo-site-title {
            font-size: 1.9rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #e2f0e8;
            line-height: 1.2;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
            text-decoration: none;
            display: inline-block;
        }

        .logo-text-premium .logo-site-title:hover {
            color: #9ceed2;
        }

        .hero-h1-landing {
            font-size: clamp(1.65rem, 4.2vw, 2.75rem);
            font-weight: 800;
            color: #f4fff9;
            line-height: 1.22;
            margin: 0 0 20px;
            letter-spacing: -0.03em;
            text-shadow: 0 4px 28px rgba(0, 0, 0, 0.88);
        }

        .hero-lead-text {
            font-size: 1.18rem;
            color: #d4efe3;
            margin-bottom: 14px;
            max-width: 540px;
            line-height: 1.58;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65);
        }

        .hero-trust-line {
            font-size: 0.98rem;
            color: #8fe0bc;
            margin-bottom: 28px;
            font-weight: 600;
            letter-spacing: 0.02em;
            text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 18px;
            align-items: center;
        }

        .hero-cta-primary,
        .hero-cta-secondary {
            padding: 16px 26px;
            font-size: 1.05rem;
        }

        .hero-landing-wrap .section-title-glow::after {
            display: none;
        }

        .logo-text-premium .subtitle-small {
            font-size: 0.8rem;
            color: #9ebeb0;
            font-weight: 500;
        }

        .navigation-links-ultra ul {
            display: flex;
            gap: 36px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .navigation-links-ultra a {
            text-decoration: none;
            font-weight: 600;
            color: #d0e2d9;
            font-size: 1rem;
            transition: 0.2s;
            padding-bottom: 4px;
            border-bottom: 2px solid transparent;
        }

        .navigation-links-ultra a:hover,
        .navigation-links-ultra a.active-link-bold {
            color: #8ae8c0;
            border-bottom-color: #3bb585;
        }

        .mobile-menu-trigger-dark {
            display: none;
            background: rgba(30, 40, 35, 0.8);
            border: 1px solid #2b684b;
            font-size: 1.6rem;
            color: #c0dfd0;
            cursor: pointer;
            padding: 6px 20px;
            border-radius: 40px;
            backdrop-filter: blur(4px);
        }

        @media (max-width: 768px) {
            .navigation-links-ultra {
                display: none;
                width: 100%;
                margin-top: 20px;
                border-top: 1px solid #1e4f3a;
                padding-top: 16px;
            }
            .navigation-links-ultra.mobile-visible {
                display: block;
            }
            .navigation-links-ultra ul {
                flex-direction: column;
                gap: 22px;
                align-items: center;
            }
            .mobile-menu-trigger-dark {
                display: block;
            }
        }

        .section-block-massive {
            padding: 80px 0;
            scroll-margin-top: 80px;
        }

        .section-title-glow {
            font-size: 2.3rem;
            font-weight: 700;
            color: #d8f0e5;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
            position: relative;
            display: inline-block;
            text-shadow: 0 2px 8px rgba(0, 40, 20, 0.8);
        }

        .section-title-glow::after {
            content: '';
            display: block;
            width: 70px;
            height: 4px;
            background: #3bb585;
            border-radius: 4px;
            margin-top: 8px;
            box-shadow: 0 0 12px #3bb585;
        }

        .section-subhead-premium {
            color: #aacfc0;
            font-size: 1.2rem;
            margin-bottom: 44px;
            max-width: 750px;
        }

        .two-column-power-layout {
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
            align-items: center;
        }

        .content-left-strong {
            flex: 1 1 300px;
        }

        .content-left-strong p {
            font-size: 1.15rem;
            margin-bottom: 18px;
           
        }

        .certificate-block-onyx {
            background: rgba(20, 40, 30, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid #2f7857;
            border-radius: 44px;
            padding: 36px 26px;
            margin-top: 20px;
            box-shadow: 0 20px 30px -12px black;
        }

        .certificate-block-onyx i {
            font-size: 3rem;
            color: #4ad698;
        }

        .certificate-block-onyx h3 {
            font-size: 1.9rem;
            margin: 16px 0 10px;
            color: #e2f0e5;
        }

        .certificate-block-onyx ul {
            list-style: none;
            line-height: 2.4;
            padding-left: 0;
            color: #cde5da;
        }

        .image-right-background {
            flex: 1 1 320px;
            min-height: 480px;
            border-radius: 60px;
            background-color: #0d1511;
            background-image: url('static/image/product-team-sports.jpg'); /* 默认配图：团队运动系列 */
            background-size: contain;
            background-repeat: no-repeat;
            background-position: center center;
            border: 2px solid #398a63;
            box-shadow: 0 30px 40px -15px black;
            display: flex;
            align-items: flex-end;
            justify-content: center;
            padding: 20px;
        }

        .image-right-background i {
            font-size: 5rem;
            color: rgba(255, 255, 255, 0.8);
            text-shadow: 0 4px 15px black;
            background: rgba(0, 0, 0, 0.3);
            padding: 15px 30px;
            border-radius: 60px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(100, 255, 170, 0.3);
        }

        /* 产品大图卡片 */
        .product-grid-luxury {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
            margin-top: 20px;
        }

        .product-card-darkness {
            background: rgba(18, 28, 24, 0.8);
            backdrop-filter: blur(8px);
            border: 1px solid #2a6b4f;
            border-radius: 32px;
            overflow: hidden;
            box-shadow: 0 20px 30px -12px black;
            transition: transform 0.25s, border-color 0.2s;
        }

        .product-card-darkness:hover {
            transform: translateY(-6px);
            border-color: #52c797;
        }

        a.product-card-darkness {
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .product-image-wide {
            width: 100%;
            height: 240px;
            background-color: #0d1511;
            background-size: contain;
            background-repeat: no-repeat;
            background-position: center center;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 5rem;
            color: #ffffffdd;
            text-shadow: 0 5px 18px black;
            border-bottom: 2px solid #266e4c;
        }

        .product-info-bottom {
            padding: 24px 20px 28px;
            text-align: center;
        }

        .product-info-bottom h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #ecfcf4;
        }

        .product-category-tag {
            color: #97cfb4;
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
        }

        .product-description-text {
            color: #bfded0;
            margin: 12px 0 14px;
            font-size: 0.98rem;
        }

        .product-price-badge {
            background: rgba(0, 30, 20, 0.7);
            color: #9cedc5;
            padding: 8px 22px;
            border-radius: 40px;
            display: inline-block;
            font-size: 0.95rem;
            font-weight: 700;
            border: 1px solid #398f64;
            backdrop-filter: blur(4px);
        }

        .service-grid-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 25px;
            margin-top: 40px;
            justify-content: center;
        }

        .service-item-glossy {
            background: rgba(22, 38, 30, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid #2f7857;
            border-radius: 36px;
            padding: 32px 25px;
            flex: 1 1 200px;
            text-align: center;
            box-shadow: 0 15px 25px -8px black;
        }

        .service-item-glossy i {
            font-size: 2.8rem;
            color: #52d498;
            margin-bottom: 18px;
        }

        .service-item-glossy h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #e8f7ef;
        }

        .service-item-glossy p {
            color: #b7dbcb;
            font-size: 0.96rem;
        }

        .news-grid-dark {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }

        .news-card-solid {
            background: rgba(16, 30, 24, 0.85);
            backdrop-filter: blur(6px);
            border: 1px solid #2c6b50;
            border-radius: 32px;
            padding: 32px;
            margin-bottom: 18px;
        }

        .news-date-element {
            color: #9ad4b8;
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 12px;
        }

        .news-title-head {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #f2fff9;
        }

        .contact-split-luxury {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            background: rgba(10, 25, 18, 0.7);
            backdrop-filter: blur(12px);
            border: 1px solid #2f7857;
            border-radius: 60px;
            padding: 50px 45px;
            box-shadow: 0 30px 40px -20px black;
        }

        .contact-info-side h3 {
            font-size: 2rem;
            font-weight: 700;
            color: #e4f7ed;
            margin-bottom: 20px;
        }

        .contact-line-detail {
            margin: 20px 0;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 15px;
            color: #d2efe1;
        }

        .contact-line-detail i {
            width: 30px;
            color: #4ad498;
            font-size: 1.4rem;
        }

        .map-replacement-dark {
            flex: 2 1 320px;
            background: #1c3d30;
            border-radius: 5px;
            padding: 0px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #c8f0dd;
            border: 0px dashed #5a9e80;
            background-image: radial-gradient(circle at 30% 40%, #276a4c 1px, transparent 1px), radial-gradient(circle at 70% 60%, #2b7a57 1px, transparent 1px);
            background-size: 40px 40px;
        }

        .map-replacement-dark i {
            font-size: 5rem;
            opacity: 0.9;
            color: #92e0be;
        }

        .button-primary-glow {
            background: #1d6b49;
            border: none;
            color: white;
            padding: 14px 34px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: inline-block;
            text-decoration: none;
            box-shadow: 0 0 20px #1d9b62, 0 8px 16px -4px black;
            transition: all 0.15s;
        }

        .button-primary-glow:hover {
            background: #2b8b60;
            box-shadow: 0 0 28px #30cf82;
        }

        .button-outline-dark {
            background: transparent;
            border: 1.5px solid #4bc28a;
            color: #c0f0db;
            box-shadow: none;
        }

        .button-outline-dark:hover {
            background: rgba(40, 90, 70, 0.5);
            border-color: #73ffc2;
        }

        .footer-deep {
            background: #0b1510;
            border-top: 2px solid #1d4d37;
            padding: 40px 0 30px;
        }

        .footer-flex-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }

        .legal-links-group a {
            color: #aad7c5;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            margin-right: 30px;
        }

        .legal-links-group a:hover {
            color: #e1ffef;
            text-decoration: underline;
        }

        .copyright-text-light {
            color: #8eb9a8;
            font-size: 0.9rem;
        }

        .disclaimer-wide {
            margin-top: 25px;
            font-size: 0.8rem;
            color: #719e8b;
            border-top: 1px solid #23583f;
            padding-top: 20px;
            text-align: center;
        }

        .hero-section-first {
            background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.6)), url('static/image/product-track-field.jpg');
            background-size: cover;
            background-position: center 30%;
            background-attachment: scroll;
        }

        .contact-page-wrap {
            align-items: flex-start;
            margin-top: 28px;
        }

        .contact-info-block {
            flex: 1 1 280px;
            min-width: 0;
        }

        .contact-form-panel {
            flex: 1 1 340px;
            min-width: 0;
            background: rgba(14, 28, 22, 0.65);
            border: 1px solid #357a5c;
            border-radius: 36px;
            padding: 36px 32px 40px;
            box-shadow: 0 20px 36px -18px rgba(0, 0, 0, 0.85);
        }

        .form-panel-title {
            font-size: 1.45rem;
            font-weight: 700;
            color: #e8f7ef;
            margin: 0 0 22px;
            letter-spacing: -0.02em;
        }

        .contact-form-dark .form-row {
            margin-bottom: 18px;
        }

        .contact-form-dark label {
            display: block;
            font-size: 0.92rem;
            font-weight: 600;
            color: #bfe8d4;
            margin-bottom: 8px;
        }

        .contact-form-dark label .req {
            color: #7ef5bd;
            margin-left: 2px;
        }

        .contact-form-dark input[type="text"],
        .contact-form-dark input[type="tel"],
        .contact-form-dark input[type="email"],
        .contact-form-dark textarea {
            width: 100%;
            font-family: inherit;
            font-size: 1rem;
            color: #eaf8f2;
            background: rgba(8, 22, 16, 0.85);
            border: 1px solid #2d6b4f;
            border-radius: 14px;
            padding: 12px 16px;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .contact-form-dark textarea {
            min-height: 140px;
            resize: vertical;
            line-height: 1.5;
        }

        .contact-form-dark input::placeholder,
        .contact-form-dark textarea::placeholder {
            color: #6a9a86;
        }

        .contact-form-dark input:focus,
        .contact-form-dark textarea:focus {
            border-color: #4ad698;
            box-shadow: 0 0 0 2px rgba(74, 214, 152, 0.2);
        }

        .form-hint {
            font-size: 0.8rem;
            color: #7aaa95;
            margin-top: 10px;
            line-height: 1.45;
        }

        .form-actions {
            margin-top: 24px;
        }

        .form-actions .button-primary-glow {
            width: 100%;
            text-align: center;
            border: none;
            cursor: pointer;
        }

        @media (max-width: 900px) {
            .contact-page-wrap {
                flex-direction: column;
            }
        }

        /* 首页首屏：仅去掉右侧合成宣传图，大背景为 portal-hero-bg.jpg */
        .home-hero-copy {
            max-width: 720px;
        }

        .home-hero-copy .hero-lead-text {
            max-width: 640px;
        }

        /* —— 性能：FCP / LCP / CLS / Speed Index —— */
        /* 首屏：flex 纵向居中，避免 min-height 大于内容时在底部堆出大块留白 */
        .hero-section-first.hero-landing-wrap {
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: clamp(420px, 68vh, 720px);
            contain: layout style;
        }

        .hero-section-first.hero-landing-wrap > .container-global-wide {
            width: 100%;
        }

        .header-navigation-premium {
            min-height: 56px;
        }

        main > section.section-block-massive ~ section.section-block-massive {
            content-visibility: auto;
            contain-intrinsic-size: 520px;
        }

        .product-image-wide {
            contain: layout paint;
        }

        .image-right-background {
            min-height: min(360px, 42vw);
            background-size: contain;
        }

        .news-grid-dark,
        .service-grid-cards {
            contain: layout;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* —— 移动端整体优化 —— */
        @media (max-width: 768px) {
            body {
                -webkit-font-smoothing: antialiased;
            }

            .container-global-wide {
                padding-left: max(16px, env(safe-area-inset-left));
                padding-right: max(16px, env(safe-area-inset-right));
            }

            .header-flex-container {
                padding: 12px 0;
                gap: 8px;
            }

            .logo-text-premium .logo-site-title {
                font-size: clamp(1.25rem, 5vw, 1.65rem);
                max-width: calc(100vw - 120px);
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .mobile-menu-trigger-dark {
                padding: 10px 18px;
                min-height: 44px;
                font-size: 1rem;
                flex-shrink: 0;
            }

            .navigation-links-ultra ul {
                gap: 0;
                align-items: stretch;
                width: 100%;
                max-width: 400px;
                margin: 0 auto;
            }

            .navigation-links-ultra a {
                display: block;
                padding: 14px 12px;
                text-align: center;
                border-radius: 12px;
                border-bottom: none;
            }

            .navigation-links-ultra a:active {
                background: rgba(59, 181, 133, 0.12);
            }

            .section-block-massive {
                padding: 48px 0;
                scroll-margin-top: 72px;
            }

            /* 首屏与下一区块之间：略松于极限紧凑，仍避免双倍留白 */
            main > section.hero-landing-wrap + section.section-block-massive {
                padding-top: 32px;
            }

            .section-title-glow {
                font-size: clamp(1.45rem, 6vw, 2rem);
                margin-bottom: 14px;
            }

            .section-subhead-premium {
                font-size: 1.05rem;
                margin-bottom: 28px;
                line-height: 1.55;
            }

            .two-column-power-layout {
                gap: 28px;
            }

            .content-left-strong p {
                font-size: 1.05rem;
                line-height: 1.65;
            }

            .image-right-background {
                min-height: 240px;
                border-radius: 28px;
                padding: 14px;
                flex: 1 1 100%;
            }

            .hero-section-first {
                background-attachment: scroll !important;
            }

            /* 移动端首屏：按内容高度排版，取消大字留白区；顶对齐避免垂直居中留下大块底空 */
            .hero-section-first.hero-landing-wrap {
                justify-content: flex-start;
            }

            .hero-section-first.section-block-massive.hero-landing-wrap {
                padding-top: 24px;
                padding-bottom: 30px;
                min-height: 0;
            }

            .home-hero-copy {
                max-width: none;
            }

            .hero-h1-landing {
                font-size: clamp(1.45rem, 5.5vw, 2.1rem);
                margin-bottom: 15px;
            }

            .hero-lead-text {
                font-size: 1rem;
                line-height: 1.62;
                margin-bottom: 13px;
            }

            .hero-trust-line {
                font-size: 0.88rem;
                margin-bottom: 18px;
                line-height: 1.45;
            }

            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
                gap: 14px;
                margin-top: 2px;
            }

            .hero-cta-primary,
            .hero-cta-secondary {
                width: 100%;
                text-align: center;
                padding: 15px 22px;
                font-size: 1rem;
                min-height: 48px;
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .service-grid-cards {
                gap: 14px;
                margin-top: 28px;
            }

            .service-item-glossy {
                flex: 1 1 100%;
                max-width: 520px;
                margin-left: auto;
                margin-right: auto;
                padding: 26px 22px;
                border-radius: 24px;
            }

            .service-item-glossy i {
                font-size: 2.4rem;
            }

            .product-grid-luxury {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .product-image-wide {
                height: 200px;
            }

            .product-info-bottom {
                padding: 18px 16px 22px;
            }

            .news-grid-dark {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .news-card-solid {
                padding: 22px 20px;
                border-radius: 22px;
                margin-bottom: 0;
            }

            .news-title-head {
                font-size: 1.2rem;
            }

            .footer-deep {
                padding: 32px 0 28px;
                padding-bottom: max(28px, env(safe-area-inset-bottom));
            }

            .footer-flex-row {
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }

            .legal-links-group a {
                display: inline-block;
                margin: 6px 12px;
            }

            .disclaimer-wide {
                font-size: 0.75rem;
                line-height: 1.55;
                padding-left: 4px;
                padding-right: 4px;
            }

            .contact-split-luxury {
                border-radius: 28px;
                padding: 28px 20px;
                gap: 28px;
            }

            .contact-form-panel {
                border-radius: 24px;
                padding: 26px 18px 30px;
            }

            .contact-line-detail {
                font-size: 1rem;
                align-items: flex-start;
                gap: 12px;
            }

            .contact-line-detail span {
                word-break: break-word;
            }

            .button-primary-glow {
                padding: 13px 26px;
                min-height: 46px;
            }
        }

        @media (max-width: 380px) {
            .logo-text-premium .logo-site-title {
                white-space: normal;
                line-height: 1.15;
                max-width: 11em;
            }
        }