/* ========== Reset & Base ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            background-color: #eef6fb;
            color: #0f1b2a;
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

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

        /* ========== Reveal Animation ========== */
        .reveal {
            opacity: 1;
            transform: translateY(0);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        /* JS 加载后会为 html 添加 .js-animate，再由 IntersectionObserver 触发 .active 做入场动效 */
        .js-animate .reveal {
            opacity: 0;
            transform: translateY(30px);
        }

        .js-animate .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== Placeholder ========== */
        .img-placeholder {
            background: linear-gradient(135deg, #e0eef7 0%, #d4e8f4 100%);
            border: 2px dashed rgba(0, 168, 232, 0.35);
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: #0a3d62;
            min-height: 200px;
            padding: 24px;
            position: relative;
            overflow: hidden;
        }

        .img-placeholder::before {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(
                45deg,
                transparent,
                transparent 10px,
                rgba(0, 168, 232, 0.04) 10px,
                rgba(0, 168, 232, 0.04) 20px
            );
        }

        .ph-icon {
            font-size: 36px;
            margin-bottom: 8px;
            opacity: 0.7;
            position: relative;
            z-index: 1;
        }

        .ph-size {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
            position: relative;
            z-index: 1;
        }

        .ph-desc {
            font-size: 12px;
            opacity: 0.75;
            max-width: 280px;
            line-height: 1.5;
            position: relative;
            z-index: 1;
        }

        /* ========== Header ========== */
        #header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(238, 246, 251, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(10, 61, 98, 0.08);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        #header.scrolled {
            background: rgba(238, 246, 251, 0.95);
            box-shadow: 0 4px 24px rgba(10, 61, 98, 0.1);
        }

        .header-inner {
            max-width: 1440px;
            margin: 0 auto;
            padding: 16px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo-group {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .logo-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 44px;
        }

        .logo-wrapper img {
            max-height: 44px;
            width: auto;
            object-fit: contain;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: #0f1b2a;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: #00a8e8;
            transition: width 0.3s ease;
        }

        .nav-links a:hover {
            color: #00a8e8;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }

        .mobile-menu-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #0a3d62;
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ========== Section Common ========== */
        .section-inner {
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 48px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .section-label {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: #00a8e8;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 40px;
            font-weight: 700;
            color: #0a3d62;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 17px;
            color: #4a5f72;
            max-width: 720px;
            margin: 0 auto;
        }

        /* ========== Hero ========== */
        #hero {
            position: relative;
            min-height: 100vh;
            padding: 140px 48px 80px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-float-logos {
            position: absolute;
            top: 120px;
            left: 48px;
            display: flex;
            align-items: center;
            gap: 16px;
            z-index: 2;
        }

        .hero-float-logos img {
            max-height: 48px;
            width: auto;
            object-fit: contain;
            filter: drop-shadow(0 4px 12px rgba(10, 61, 98, 0.12));
        }

        .hero-grid {
            max-width: 1440px;
            margin: 0 auto;
            width: 100%;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            padding-top: 60px;
        }

        .hero-content {
            text-align: left;
        }

        .brand-tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: #00a8e8;
            background: rgba(0, 168, 232, 0.08);
            padding: 8px 16px;
            border-radius: 30px;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero-content h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.15;
            color: #0a3d62;
            margin-bottom: 28px;
        }

        .hero-content h1 .highlight {
            color: #00a8e8;
        }

        .hero-desc {
            margin-bottom: 40px;
        }

        .hero-desc p {
            font-size: 16px;
            color: #3d4f61;
            margin-bottom: 14px;
            line-height: 1.8;
        }

        .hero-stats {
            display: flex;
            flex-wrap: nowrap;
            gap: 48px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-number {
            font-size: 34px;
            font-weight: 800;
            color: #00a8e8;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 14px;
            color: #5e7388;
            margin-top: 4px;
        }

        .hero-visual {
            height: 100%;
        }

        .hero-visual .img-placeholder {
            min-height: 560px;
            border-radius: 20px;
        }

        /* ========== Banner ========== */
        #banner {
            width: 100%;
            padding: 0;
        }

        .banner-placeholder {
            width: 100%;
            min-height: 400px;
            border-radius: 0;
            border-left: none;
            border-right: none;
        }

        /* ========== Slogan ========== */
        #slogan {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            margin: 60px 0;
        }

        .slogan-bg {
            position: absolute;
            inset: 0;
            background: #eef6fb;
        }

        .slogan-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: url("images/gateway-pattern.svg");
        }

        .slogan-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(238, 246, 251, 1) 0%, rgba(238, 246, 251, 0) 15%, rgba(238, 246, 251, 0) 85%, rgba(238, 246, 251, 1) 100%);
        }

        .slogan-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 920px;
            padding: 0 48px;
        }

        .slogan-logo {
            display: block;
            max-height: 52px;
            width: auto;
            margin: 0 auto 28px;
            object-fit: contain;
            filter: drop-shadow(0 2px 8px rgba(10, 61, 98, 0.08));
        }

        .slogan-title {
            font-size: 48px;
            font-weight: 800;
            color: #0a3d62;
            margin-bottom: 24px;
            line-height: 1.25;
        }

        .slogan-sub {
            font-size: 18px;
            color: #4a5f72;
            line-height: 1.8;
        }

        /* ========== Certification Screen ========== */
        #cert-screen {
            padding: 100px 48px;
            background: #eef6fb;
        }

        .cert-screen-grid {
            max-width: 1440px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1.4fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cert-text h2 {
            font-size: 36px;
            font-weight: 800;
            color: #0a3d62;
            margin-bottom: 18px;
            line-height: 1.2;
        }

        .cert-text p {
            font-size: 15px;
            color: #4a5f72;
            line-height: 1.8;
        }

        .cert-text.left {
            text-align: left;
        }

        .cert-text.right {
            text-align: right;
        }

        .cert-image {
            min-height: 420px;
        }

        /* ========== Advantages ========== */
        #advantages {
            padding: 100px 0;
            background: #eef6fb;
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .advantage-item {
            background: #f5fafd;
            border-radius: 20px;
            padding: 40px 28px;
            box-shadow: 0 4px 20px rgba(10, 61, 98, 0.04);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            text-align: center;
        }

        .advantage-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 36px rgba(10, 61, 98, 0.08);
        }

        .advantage-icon {
            font-size: 40px;
            margin-bottom: 20px;
            line-height: 1;
        }

        .advantage-title {
            display: flex;
            flex-direction: column-reverse;
            align-items: center;
            font-size: 22px;
            font-weight: 700;
            color: #0a3d62;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .advantage-title span {
            display: block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: #00a8e8;
            margin-top: 4px;
        }

        .advantage-desc {
            font-size: 14px;
            color: #4a5f72;
            line-height: 1.3;
        }

        .advantage-desc p {
            margin: 0;
        }

        .advantage-desc p:last-child {
            margin-bottom: 0;
        }

        /* ========== Bionic ========== */
        #bionic {
            padding: 100px 0;
            background: #ffffff;
        }

        .bionic-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .bionic-visual {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .bionic-visual .bionic-img.large {
            grid-column: 1 / -1;
            min-height: 360px;
        }

        .bionic-visual .bionic-img {
            min-height: 260px;
        }

        .bionic-content h2 {
            font-size: 40px;
            font-weight: 800;
            color: #0a3d62;
            margin-bottom: 20px;
            line-height: 1.25;
        }

        .bionic-content .lead {
            font-size: 17px;
            color: #3d4f61;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feature-list li {
            display: flex;
            gap: 16px;
        }

        .feature-list li::before {
            content: "";
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #00a8e8;
            margin-top: 10px;
            box-shadow: 0 0 0 4px rgba(0, 168, 232, 0.15);
        }

        .feature-list strong {
            display: block;
            font-size: 17px;
            color: #0a3d62;
            margin-bottom: 4px;
        }

        .feature-list span {
            font-size: 14px;
            color: #5e7388;
            line-height: 1.7;
        }

        /* ========== Feature Sections ========== */
        .feature-section {
            padding: 100px 0;
        }

        .feature-section:nth-child(even) {
            background: #eef6fb;
        }

        .feature-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .feature-layout.reverse .feature-content {
            order: 2;
        }

        .feature-layout.reverse .feature-visual {
            order: 1;
        }

        .feature-content .tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: #00a8e8;
            background: rgba(0, 168, 232, 0.08);
            padding: 8px 14px;
            border-radius: 30px;
            margin-bottom: 18px;
        }

        .feature-content h2 {
            font-size: 40px;
            font-weight: 800;
            color: #0a3d62;
            margin-bottom: 20px;
            line-height: 1.25;
        }

        .feature-content .desc {
            font-size: 17px;
            color: #3d4f61;
            line-height: 1.55;
            margin-bottom: 24px;
        }

        .feature-content .detail {
            background: rgba(0, 168, 232, 0.06);
            border-left: 3px solid #00a8e8;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin-bottom: 28px;
        }

        .feature-content .detail p {
            font-size: 14px;
            color: #4a5f72;
            line-height: 1.8;
        }

        .compare-bar {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .compare-row {
            display: grid;
            grid-template-columns: 120px 1fr auto;
            align-items: center;
            gap: 16px;
        }

        .compare-label {
            font-size: 14px;
            font-weight: 600;
            color: #0a3d62;
        }

        .compare-track {
            height: 8px;
            background: #dbe7f1;
            border-radius: 4px;
            overflow: hidden;
        }

        .compare-fill {
            height: 100%;
            background: linear-gradient(90deg, #00a8e8, #0a3d62);
            border-radius: 4px;
            width: 85%;
        }

        .compare-row:nth-child(2) .compare-fill {
            width: 45%;
            opacity: 0.5;
        }

        .compare-value {
            font-size: 13px;
            font-weight: 700;
            color: #00a8e8;
        }

        .feature-visual {
            position: relative;
            padding-bottom: 110px;
        }

        .feature-visual .img-placeholder {
            min-height: 480px;
            border-radius: 20px;
        }

        .data-badge {
            position: absolute;
            bottom: 20px;
            right: 32px;
            background: rgba(10, 61, 98, 0.95);
            backdrop-filter: blur(8px);
            color: #ffffff;
            padding: 22px 28px;
            border-radius: 16px;
            box-shadow: 0 12px 32px rgba(10, 61, 98, 0.25);
        }

        .data-badge .number {
            font-size: 32px;
            font-weight: 800;
            color: #00a8e8;
            line-height: 1.1;
        }

        .data-badge .unit {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 4px;
        }

        /* ========== Promise ========== */
        #promise {
            position: relative;
            padding: 120px 0;
            background: #0a3d62;
            text-align: center;
            overflow: hidden;
        }

        .dot-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(circle, rgba(0, 168, 232, 0.12) 1px, transparent 1px);
            background-size: 30px 30px;
        }

        .promise-title {
            position: relative;
            z-index: 2;
            font-size: 48px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 20px;
            line-height: 1.25;
        }

        .promise-sub {
            position: relative;
            z-index: 2;
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .promise-tagline {
            position: relative;
            z-index: 2;
            font-size: 15px;
            color: #ffffff;
            max-width: 640px;
            margin: 16px auto 0;
            line-height: 1.7;
            opacity: 0.95;
        }

        /* ========== Products ========== */
        #products {
            padding: 100px 0;
            background: #eef6fb;
        }

        .products-grid {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .products-row {
            display: grid;
            gap: 28px;
        }

        .products-row.snooker {
            grid-template-columns: repeat(2, 1fr);
        }

        .products-row.chinese {
            grid-template-columns: repeat(4, 1fr);
        }

        .product-card {
            position: relative;
            background: #ffffff;
            border-radius: 20px;
            padding: 28px;
            box-shadow: 0 8px 28px rgba(10, 61, 98, 0.06);
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            overflow: hidden;
        }

        .product-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 48px rgba(10, 61, 98, 0.14);
        }

        .product-tag {
            position: absolute;
            top: 20px;
            left: 20px;
            background: #00a8e8;
            color: #ffffff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 12px;
            border-radius: 20px;
            z-index: 2;
        }

        .product-card .img-placeholder {
            min-height: 260px;
            border-radius: 12px;
            border: none;
            background: transparent;
            padding: 0;
            overflow: hidden;
            position: relative;
        }

        .product-card .img-placeholder::before,
        .product-card .img-placeholder::after {
            display: none;
        }

        .products-row.snooker .product-card .img-placeholder {
            min-height: 360px;
        }

        /* ========== Footer ========== */
        #footer {
            background: #0f1b2a;
            color: #ffffff;
            padding: 80px 48px 0;
        }

        .footer-inner {
            max-width: 1440px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 64px;
            padding-bottom: 64px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand img {
            max-height: 48px;
            width: auto;
            margin-bottom: 20px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #ffffff;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links li,
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: #00a8e8;
        }

        .footer-bottom {
            text-align: center;
            padding: 24px 0;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== Modal ========== */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10, 61, 98, 0.85);
            backdrop-filter: blur(6px);
            z-index: 2000;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.35s ease, visibility 0.35s ease;
        }

        .modal-overlay.open {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .modal-content {
            position: relative;
            background: #ffffff;
            border-radius: 24px;
            max-width: 800px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 24px 80px rgba(10, 61, 98, 0.3);
        }

        .modal-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.92);
            border: none;
            font-size: 26px;
            color: #0a3d62;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2010;
            transition: background 0.3s ease, color 0.3s ease, transform 0.2s ease;
            box-shadow: 0 4px 16px rgba(10, 61, 98, 0.18);
        }

        .modal-close:hover {
            background: #0a3d62;
            color: #ffffff;
        }

        .modal-body {
            padding: 32px;
        }

        .modal-body .img-placeholder {
            min-height: 320px;
            margin-bottom: 24px;
        }

        .modal-body h3 {
            font-size: 28px;
            font-weight: 800;
            color: #0a3d62;
            margin-bottom: 12px;
        }

        .modal-body p {
            font-size: 15px;
            color: #4a5f72;
            line-height: 1.8;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .header-inner,
            .section-inner {
                padding-left: 32px;
                padding-right: 32px;
            }

            #hero {
                padding: 140px 32px 80px;
            }

            .hero-grid {
                gap: 40px;
            }

            .hero-content h1 {
                font-size: 44px;
            }

            .section-title,
            .bionic-content h2,
            .feature-content h2,
            .slogan-title,
            .promise-title {
                font-size: 34px;
            }

            .cert-screen-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }

            .cert-text.left,
            .cert-text.right {
                text-align: center;
            }

            .cert-image {
                max-width: 560px;
                margin: 0 auto;
                width: 100%;
            }

            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-layout {
                gap: 40px;
            }

            .feature-content .desc {
                font-size: 15px;
            }

            .products-row.chinese {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 48px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 320px;
                height: 100vh;
                background: rgba(238, 246, 251, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                justify-content: center;
                padding: 100px 40px;
                gap: 28px;
                transition: right 0.35s ease;
                box-shadow: -8px 0 40px rgba(10, 61, 98, 0.12);
            }

            .nav-links.open {
                right: 0;
            }

            .nav-links a {
                font-size: 18px;
            }

            .header-inner,
            .section-inner {
                padding-left: 20px;
                padding-right: 20px;
            }

            #hero {
                padding: 120px 20px 60px;
            }

            .hero-float-logos {
                left: 20px;
                top: 100px;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                padding-top: 80px;
            }

            .hero-content {
                text-align: center;
            }

            .hero-content h1 {
                font-size: 34px;
            }

            .hero-stats {
                justify-content: center;
                gap: 24px;
            }

            .stat-number {
                font-size: 28px;
            }

            .stat-label {
                font-size: 12px;
            }

            .hero-visual .img-placeholder {
                min-height: 360px;
            }

            #cert-screen,
            #advantages,
            #bionic,
            .feature-section,
            #products {
                padding: 72px 0;
            }

            .section-title,
            .bionic-content h2,
            .feature-content h2 {
                font-size: 28px;
            }

            .advantage-title {
                font-size: 18px;
                line-height: 1.4;
            }

            .advantage-title span {
                margin-top: 3px;
            }

            .section-header {
                margin-bottom: 44px;
            }

            .advantages-grid {
                grid-template-columns: 1fr;
            }

            .bionic-grid {
                grid-template-columns: 1fr;
            }

            .feature-layout,
            .feature-layout.reverse {
                grid-template-columns: 1fr;
            }

            .feature-layout.reverse .feature-content,
            .feature-layout.reverse .feature-visual {
                order: unset;
            }

            .feature-visual .img-placeholder {
                min-height: 320px;
            }

            .compare-row {
                grid-template-columns: 90px 1fr auto;
                gap: 10px;
            }

            .compare-label {
                font-size: 12px;
            }

            .feature-visual {
                padding-bottom: 90px;
            }

            .data-badge {
                padding: 16px 20px;
                bottom: 16px;
                right: 20px;
            }

            .data-badge .number {
                font-size: 24px;
            }

            .slogan-title,
            .promise-title {
                font-size: 30px;
            }

            .slogan-sub {
                font-size: 15px;
            }

            #slogan {
                min-height: 480px;
                margin: 56px 0;
            }

            .products-row.snooker,
            .products-row.chinese {
                grid-template-columns: 1fr;
            }

            .products-row.snooker .product-card .img-placeholder,
            .products-row.chinese .product-card .img-placeholder {
                min-height: 300px;
            }

            #footer {
                padding: 60px 20px 0;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .cert-text h2 {
                font-size: 28px;
            }

            .banner-placeholder {
                min-height: 240px;
            }

            .modal-content {
                border-radius: 20px;
            }

            .modal-body {
                padding: 24px;
            }

            .modal-body h3 {
                font-size: 22px;
            }
        }
    

        /* ========== Real Images ========== */
        .hero-image {
            width: 100%;
            height: auto;
            max-height: 520px;
            object-fit: contain;
            display: block;
            border-radius: 20px;
        }

        .banner-image {
            width: 100%;
            height: auto;
            max-height: 320px;
            object-fit: contain;
            object-position: center;
            display: block;
        }

        .cert-image {
            width: 100%;
            height: auto;
            max-height: 420px;
            object-fit: contain;
            display: block;
            border-radius: 16px;
            filter: drop-shadow(0 16px 40px rgba(10, 61, 98, 0.12));
        }

        .bionic-visual img,
        .feature-visual img {
            width: 100%;
            height: auto;
            object-fit: contain;
            display: block;
            border-radius: 16px;
        }

        .bionic-visual img.large {
            max-height: 420px;
        }

        .bionic-visual img:not(.large) {
            max-height: 280px;
        }

        .feature-image {
            max-height: 420px;
            filter: drop-shadow(0 12px 32px rgba(10, 61, 98, 0.1));
        }

        .product-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            border-radius: 12px;
        }


        /* ========== Scroll Progress Bar ========== */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, #00a8e8, #0a3d62);
            z-index: 10000;
            width: 0%;
            transition: width 0.1s linear;
            box-shadow: 0 0 10px rgba(0, 168, 232, 0.5);
        }

        /* ========== Hero Particles ========== */
        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .hero-particles canvas {
            width: 100%;
            height: 100%;
            display: block;
        }

        #hero .hero-grid,
        #hero .hero-float-logos {
            position: relative;
            z-index: 2;
        }

        /* ========== Product Card 3D Hover + Halo + Tilt ========== */
        .products-grid {
            perspective: 1200px;
        }

        .product-card {
            transform-style: preserve-3d;
            transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.35s ease;
            will-change: transform;
        }

        .product-card::before {
            content: "";
            position: absolute;
            inset: -2px;
            border-radius: 22px;
            background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(0, 168, 232, 0.35), transparent 55%);
            opacity: 0;
            z-index: -1;
            transition: opacity 0.35s ease;
            filter: blur(8px);
        }

        .product-card:hover::before {
            opacity: 1;
        }

        .product-card .img-placeholder {
            transform: translateZ(20px);
            transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
        }

        .product-card:hover .img-placeholder {
            transform: translateZ(36px);
        }

        .product-card .product-tag {
            transform: translateZ(30px);
        }

        /* ========== Number Shimmer ========== */
        @keyframes numberShimmer {
            0% { transform: translateX(-120%); }
            100% { transform: translateX(120%); }
        }

        .stat-number,
        .data-badge .number {
            position: relative;
            display: inline-block;
            overflow: hidden;
        }

        .stat-number::after,
        .data-badge .number::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
            transform: translateX(-120%);
            opacity: 0;
            pointer-events: none;
        }

        .stat-number.animate::after,
        .data-badge .number.animate::after {
            opacity: 1;
            animation: numberShimmer 1.8s ease-in-out;
        }

        /* ========== Advantage Cards Stagger Entrance ========== */
        .advantage-item {
            opacity: 0;
            transform: translateY(40px) scale(0.96);
            transition: opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1), transform 0.7s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.3s ease;
        }

        .advantage-item.visible {
            opacity: 1;
            transform: translateY(0) scale(1);
        }

        /* ========== Image Placeholder Soft Breathing Glow ========== */
        @keyframes placeholderBreath {
            0%, 100% { box-shadow: 0 0 0 rgba(0, 168, 232, 0); }
            50% { box-shadow: 0 0 28px rgba(0, 168, 232, 0.18); }
        }

        .img-placeholder {
            animation: placeholderBreath 4s ease-in-out infinite;
        }

        .img-placeholder::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: inherit;
            background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.25), transparent 40%);
            opacity: 0.6;
            animation: placeholderBreath 4s ease-in-out infinite;
            pointer-events: none;
        }

        /* ========== Modal Elastic Entrance ========== */
        .modal-overlay {
            transition: opacity 0.35s ease;
        }

        .modal-content {
            transform: scale(0.85) translateY(40px);
            opacity: 0;
            transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.35s ease;
        }

        .modal-overlay.open .modal-content {
            transform: scale(1) translateY(0);
            opacity: 1;
        }

        .modal-overlay:not(.open) .modal-content {
            transform: scale(0.9) translateY(20px);
            opacity: 0;
        }

        /* ========== Modal Large Image ========== */
        .modal-large-image {
            border-radius: 16px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            background: #ffffff;
        }

        .modal-large-image img {
            width: 100%;
            height: auto;
            max-height: none;
            display: block;
            border-radius: 14px;
            object-fit: contain;
        }

        @media (max-width: 768px) {
            .modal-large-image {
                border-radius: 12px;
            }
        }

        .product-image {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            z-index: 1;
            border-radius: 10px;
        }


        /* ========== Mouse Glare Effect (参考 OpenAI Work Louder) ========== */
        .mouse-glare {
            position: relative;
            overflow: hidden;
            --gx: 50%;
            --gy: 50%;
        }

        .mouse-glare::before {
            content: "";
            position: absolute;
            left: var(--gx);
            top: var(--gy);
            width: 260px;
            height: 260px;
            transform: translate(-50%, -50%);
            background: radial-gradient(circle, rgba(0, 168, 232, 0.22) 0%, rgba(0, 168, 232, 0.08) 40%, transparent 72%);
            pointer-events: none;
            z-index: 0;
            opacity: 0;
            transition: opacity 0.25s ease;
            mix-blend-mode: screen;
        }

        .mouse-glare:hover::before {
            opacity: 1;
        }

        /* ========== Advantage Card Hover Glow ========== */
        .advantage-item {
            position: relative;
            overflow: hidden;
            --ax: 50%;
            --ay: 50%;
        }

        .advantage-item::before {
            content: "";
            position: absolute;
            left: var(--ax);
            top: var(--ay);
            width: 240px;
            height: 240px;
            transform: translate(-50%, -50%);
            background: radial-gradient(circle, rgba(0, 168, 232, 0.22) 0%, rgba(0, 168, 232, 0.06) 40%, transparent 70%);
            pointer-events: none;
            z-index: 0;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .advantage-item:hover::before {
            opacity: 1;
        }

        .advantage-item > * {
            position: relative;
            z-index: 1;
        }

        /* ========== Certificate Image Hover Effects ========== */
        .cert-image {
            transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.5s ease, filter 0.5s ease;
        }

        .cert-image:hover {
            transform: scale(1.04) translateY(-8px);
            box-shadow: 0 28px 60px rgba(10, 61, 98, 0.18);
            filter: drop-shadow(0 20px 40px rgba(0, 168, 232, 0.15));
        }

        .cert-screen-image-wrap {
            position: relative;
            display: inline-block;
            border-radius: 16px;
            overflow: hidden;
        }

        .cert-screen-image-wrap::before {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: inherit;
            pointer-events: none;
            z-index: 2;
        }


        /* ========== Bionic Image Glare Sweep ========== */
        .bionic-visual {
            position: relative;
            overflow: hidden;
            border-radius: 20px;
            --bx: 50%;
            --by: 50%;
        }

        .bionic-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: inherit;
            background: radial-gradient(
                circle 220px at var(--bx) var(--by),
                rgba(255, 255, 255, 0.45) 0%,
                rgba(255, 255, 255, 0.18) 35%,
                transparent 70%
            );
            mix-blend-mode: soft-light;
            pointer-events: none;
            z-index: 2;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .bionic-visual:hover::after {
            opacity: 1;
        }

        .bionic-visual img {
            position: relative;
            z-index: 1;
            transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
        }

        .bionic-visual:hover img {
            transform: scale(1.03);
        }