:root {
            --bg: #F5F5F7;
            --text: #111;
            --grey: #555;
            --main-font: 'Montserrat', 'MiSans VF', 'PingFang SC', sans-serif;
        }

        /* 修改右键选中色 */
        ::selection {
            background: #40E0D0;
            color: #000;
        }

        ::-moz-selection {
            background: #40E0D0;
            color: #000;
        }

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

        html {
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            scrollbar-gutter: stable;
        }

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: var(--main-font);
            overflow-x: hidden;
            cursor: none;
            overflow-y: hidden;
        }

        /* 加载页 */
        body.loaded {
            overflow-y: auto;
        }
        /* 光标 */
        .cursor-dot,
        .cursor-ring {
            position: fixed;
            top: 0;
            left: 0;
            border-radius: 50%;
            pointer-events: none;
            z-index: 99999999;
            transform: translate(-50%, -50%);
            background-color: #fff;
            mix-blend-mode: difference;
            will-change: transform;
        }

        .cursor-dot {
            width: 8px;
            height: 8px;
            will-change: transform;
        }

        .cursor-ring {
            width: 50px;
            height: 50px;
            border: 2px solid #fff;
            background: transparent;
            transition: width 0.2s ease, height 0.2s ease;
            will-change: transform;
        }

        body.hovering .cursor-ring {
            width: 90px;
            height: 90px;
            background: #fff;
        }

        body.hovering .cursor-dot {
            opacity: 0;
        }

        /* 导航栏 */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 24px 60px;
            display: flex;
            flex-direction: column;
            align-items: stretch;
            z-index: 1000;
            background: rgba(245, 245, 247, 0.4);
            backdrop-filter: blur(30px);
            -webkit-backdrop-filter: blur(30px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            transform: translateY(-100%);
            transition: transform 0.8s 0.5s cubic-bezier(0.16, 1, 0.3, 1), padding-right 0s;
        }

        body.loaded nav {
            transform: translateY(0);
        }

        .nav-top-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .logo {
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
            color: #000;
        }

        .logo-prefix {
            font-weight: 400;
            color: #444;
            margin-right: 5px;
        }

        /* 导航链接容器 */
        .nav-links-desktop {
            display: flex;
            position: relative;
        }

        .menu-item {
            text-decoration: none;
            color: #888;
            margin-left: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 1px;
            display: inline-block;
            transition: color 0.3s ease;
            position: relative;
            padding: 5px 0;
        }

        .menu-item:hover {
            color: #000;
        }

        /* 激活状态：文字变黑 */
        .menu-item.active {
            color: #000;
        }

        /* 滑动的黑色光标 */
        .nav-marker {
            position: absolute;
            bottom: 0;
            left: 0;
            height: 2px;
            background-color: #000;
            width: 0;
            opacity: 0;
            pointer-events: none;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        /* 彻底隔离 PC 和移动端菜单控制 */
        .hamburger {
            display: none !important;
            cursor: pointer;
            z-index: 1002;
            color: #000;
            width: 30px;
            height: 20px;
            position: relative;
            transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }

        .hamburger div {
            width: 100%;
            height: 2px;
            background: #000;
            position: absolute;
            left: 0;
            transition: 0.3s;
        }

        .hamburger div:nth-child(1) {
            top: 0;
        }

        .hamburger div:nth-child(2) {
            top: 50%;
            transform: translateY(-50%);
        }

        .hamburger div:nth-child(3) {
            bottom: 0;
        }

        .hamburger.active {
            transform: rotate(90deg);
        }

        .hamburger.active div:nth-child(1) {
            top: 50%;
            transform: translateY(-50%) rotate(45deg);
        }

        .hamburger.active div:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active div:nth-child(3) {
            top: 50%;
            transform: translateY(-50%) rotate(-45deg);
        }

        /* 下拉菜单容器：全局默认隐藏 */
        .mobile-nav-dropdown {
            display: flex !important;
            visibility: hidden;
            opacity: 0;
            max-height: 0;
            overflow: hidden;
            transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        }

        /* 下拉菜单激活：由 JS 控制类名切换 */
        .mobile-nav-dropdown.active {
            visibility: visible;
            opacity: 1;
            max-height: 300px;
            padding: 40px 0;
        }

        .mobile-nav-btn {
            font-size: 1.2rem;
            font-weight: 500;
            color: #000;
            text-decoration: none;
            padding: 15px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            width: 100%;
            text-align: center;
            opacity: 0;
            transform: translateY(20px);
            transition: 0.4s;
        }

        .mobile-nav-dropdown.active .mobile-nav-btn {
            opacity: 1;
            transform: translateY(0);
        }

        .mobile-nav-dropdown.active .mobile-nav-btn:nth-child(1) {
            transition-delay: 0.1s;
        }

        .mobile-nav-dropdown.active .mobile-nav-btn:nth-child(2) {
            transition-delay: 0.2s;
        }


        /* 背景 */
        .aurora-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            z-index: -1;
            overflow: hidden;
            background: var(--bg);
        }

        .orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(35px);
            opacity: 0.5;
            mix-blend-mode: multiply;
        }

        .orb-1 {
            width: 60vw;
            height: 60vw;
            background: radial-gradient(circle, rgba(20, 180, 170, 0.4), rgba(20, 180, 170, 0) 70%);
            top: -10%;
            left: -10%;
            animation: move1 20s infinite alternate ease-in-out;
        }

        .orb-2 {
            width: 50vw;
            height: 50vw;
            background: radial-gradient(circle, rgba(255, 160, 80, 0.5), rgba(255, 160, 80, 0) 70%);
            bottom: -10%;
            right: -10%;
            animation: move2 25s infinite alternate ease-in-out;
        }

        .orb-3 {
            width: 45vw;
            height: 45vw;
            background: radial-gradient(circle, rgba(140, 100, 255, 0.45), rgba(140, 100, 255, 0) 70%);
            top: 40%;
            left: 40%;
            animation: move3 30s infinite alternate ease-in-out;
        }

        @keyframes move1 {
            0% {
                transform: translate(0, 0) scale(1);
            }

            100% {
                transform: translate(20vw, 10vh) scale(1.1);
            }
        }

        @keyframes move2 {
            0% {
                transform: translate(0, 0) scale(1);
            }

            100% {
                transform: translate(-20vw, -15vh) scale(0.9);
            }
        }

        @keyframes move3 {
            0% {
                transform: translate(0, 0) rotate(0deg);
            }

            33% {
                transform: translate(-30vw, 20vh) rotate(120deg);
            }

            66% {
                transform: translate(10vw, -20vh) rotate(240deg);
            }

            100% {
                transform: translate(0, 0) rotate(360deg);
            }
        }

        /* 布局 */
        .container {
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 5vw;
        }

        header {
            height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .hero-sub {
            display: block;
            color: var(--grey);
            margin-bottom: 10px;
            margin-left: 8px;
            letter-spacing: 2px;
            font-size: 0.9rem;
            text-transform: uppercase;
        }

        h1 {
            font-weight: 500;
            font-size: clamp(3.8rem, 9vw, 8.5rem);
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 40px;
            color: #000;
        }

        .hero-text {
            font-weight: 300;
            font-size: 1.3rem;
            max-width: 62%;
            color: var(--grey);
            line-height: 1.8;
            text-align: justify;
        }

        /* 作品列表 */
        .work-section {
            position: relative;
            z-index: 2;
            margin-top: 30vh;
            padding: 10vh 0;
        }

        .project-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25vh;
            opacity: 1;
            transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }

        body:not(.mobile-view) .work-section>.project-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .p-visual {
            width: 61.8%;
            aspect-ratio: 16 / 10;
            height: auto;
            position: relative;
            overflow: hidden;
            border-radius: 24px;
            background: #e0e0e0;
            transform-style: preserve-3d;
            perspective: 1000px;
            cursor: pointer;
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            will-change: transform;
        }

        .p-visual:hover {
            box-shadow: 0 40px 80px rgba(0, 0, 0, 0.2);
        }

        .p-visual-inner {
            width: 100%;
            height: 100%;
            position: absolute;
            top: 0;
            left: 0;
            transition: transform 0.1s ease-out;
        }

        .p-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.1s linear;
            position: absolute;
            top: 0;
            left: 0;
            z-index: 2;
        }

        .p-info {
            width: 30.2%;
            padding: 0 20px;
        }

        .p-index {
            font-size: 0.85rem;
            color: var(--grey);
            margin-bottom: 16px;
            display: block;
            letter-spacing: 1px;
            font-weight: 600;
        }

        .p-title {
            font-size: 3.2rem;
            line-height: 1.2;
            margin-bottom: 16px;
            font-weight: 500;
            letter-spacing: -1px;
        }

        .p-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .tag {
            padding: 4px 12px;
            border: 1px solid #ccc;
            border-radius: 50px;
            font-size: 0.75rem;
            color: #666;
            font-weight: 400;
            background: rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(5px);
        }

        .p-desc {
            font-weight: 300;
            font-size: 1rem;
            color: #444;
            margin-bottom: 30px;
            line-height: 1.6;
            text-align: justify;
        }

        .view-btn {
            text-decoration: none;
            color: #000;
            font-size: 1.1rem;
            border-bottom: 1px solid #000;
            padding-bottom: 6px;
            transition: 0.3s;
            display: inline-block;
            cursor: pointer;
        }

        /* 作品列表 (网格并列布局) */
        .project-grid-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            width: 92%;
            margin: 0 auto 25vh auto;
        }

        .project-card {
            background: rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(50px);
            -webkit-backdrop-filter: blur(50px);
            border: 1px solid rgba(255, 255, 255, 0.5);

            border-radius: 24px;
            padding: 30px 28px 28px 28px;
            display: flex;
            flex-direction: column;

            box-shadow:
                0 20px 40px rgba(0, 0, 0, 0.02),
                inset 0 0 0 1px rgba(255, 255, 255, 0.1);

            transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, background 0.3s;
            cursor: pointer;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .project-card:hover {
            transform: translateY(-8px);
            background: rgba(255, 255, 255, 0.6);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08);
        }

        .card-top-row {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 12px;
        }

        .card-title-area {
            flex: 1;
            padding-right: 20px;
        }

        .card-index {
            font-size: 0.75rem;
            color: #666;
            font-weight: 600;
            margin-bottom: 10px;
            display: block;
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }

        .card-title {
            font-size: 1.8rem;
            line-height: 1.2;
            font-weight: 600;
            color: #000;
            letter-spacing: -0.5px;
            margin: 0;
        }

        .card-tags {
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: flex-end;
            flex-shrink: 0;
            padding-top: 4px;
        }

        .card-tag {
            padding: 3px 10px;
            border: 1px solid rgba(0, 0, 0, 0.05);
            background: rgba(255, 255, 255, 0.4);
            border-radius: 100px;
            font-size: 0.7rem;
            color: #222;
            font-weight: 500;
            white-space: nowrap;
        }

        .card-desc {
            font-size: 0.95rem;
            color: #333;
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 100%;
            text-align: justify;
        }

        .card-visual-box {
            width: 100%;
            aspect-ratio: 3 / 3.5;
            background: rgba(0, 0, 0, 0.03);
            border-radius: 12px;
            overflow: hidden;
            margin-top: auto;
            position: relative;
        }

        .card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }

        /* 取消悬浮时的图片放大效果 */
        .project-card:hover .card-img {
            transform: none !important;
        }


        /* Footer */
        footer {
            background: rgba(8, 8, 10, 0.75);
            backdrop-filter: blur(50px);
            -webkit-backdrop-filter: blur(50px);
            color: #fff;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 100px 5vw 50px 5vw;
            margin-top: 10vh;
            position: relative;
            z-index: 10;
        }

        .footer-content {
            max-width: 1600px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 60px;
        }

        .footer-slogan {
            flex: 1;
            min-width: 300px;
        }

        .footer-cta {
            font-weight: 700;
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            line-height: 1.2;
            margin-bottom: 20px;
            display: block;
            color: #fff;
            text-decoration: none;
        }

        .footer-contact {
            flex: 1;
            min-width: 250px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 30px;
        }

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

        .contact-label {
            font-size: 0.85rem;
            color: #888;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .contact-value {
            font-size: 1.5rem;
            color: #fff;
            font-weight: 400;
            text-decoration: none;
            transition: all 0.3s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
            padding-bottom: 4px;
            display: inline-block;
            width: fit-content;
        }

        .contact-value:hover {
            color: #ccc;
            border-bottom-color: #fff;
            transform: translateX(5px);
        }

        .contact-value-text {
            font-size: 1.5rem;
            color: #fff;
            font-weight: 400;
            user-select: text;
            cursor: text;
        }

        .footer-btm {
            width: 100%;
            max-width: 1600px;
            margin: 80px auto 0 auto;
            display: flex;
            justify-content: space-between;
            color: #666;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
        }

        /* 返回顶部按钮 */
        .back-to-top {
            position: fixed;
            bottom: 40px;
            right: 40px;
            width: 50px;
            height: 50px;
            background: #fff;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            opacity: 0;
            pointer-events: none;
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s ease;
            z-index: 999 !important;
            color: #000;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }


        /* 案例详情弹窗 */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(5, 5, 5, 0.5);
            backdrop-filter: blur(8px);
            z-index: 10000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .modal-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .modal-container {
            width: 85%;
            max-width: 900px;
            height: 80vh;
            background: #fff;
            border-radius: 24px;
            position: relative;
            display: flex;
            flex-direction: column;
            transform: scale(0.95) translateY(30px);
            opacity: 0;
            transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
            will-change: transform, opacity;
            overflow: hidden;
            box-shadow: 0 40px 80px rgba(0, 0, 0, 0.2);
        }

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

        .modal-close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            cursor: pointer;
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 24px;
            color: #000;
            transition: 0.3s cubic-bezier(0.19, 1, 0.22, 1);
            z-index: 30;
            mix-blend-mode: normal;
        }

        .modal-close-btn::before {
            content: '×';
            display: block;
            color: inherit;
            font-weight: 300;
        }

        .modal-close-btn:hover {
            background: #fff;
            transform: rotate(90deg) scale(1.1);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        }

        .modal-scroll-area {
            padding: 50px 6%;
            overflow-y: auto;
            height: 100%;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
            overscroll-behavior: contain;
        }

        .modal-scroll-area::-webkit-scrollbar {
            display: none;
        }

        .modal-header {
            margin-bottom: 40px;
            padding-bottom: 30px;
            border-bottom: 1px solid #f0f0f0;
        }

        .modal-subtitle-en {
            font-size: 0.9rem;
            color: #999;
            text-transform: uppercase;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }

        .modal-title {
            font-weight: 600;
            font-size: 2.5rem;
            margin-bottom: 15px;
            line-height: 1.1;
        }

        .modal-tags {
            display: flex;
            gap: 10px;
            margin-bottom: 25px;
        }

        .modal-tag {
            padding: 4px 12px;
            background: #F5F5F7;
            border-radius: 4px;
            font-size: 0.75rem;
            color: #555;
            font-weight: 500;
        }

        .modal-hero-desc {
            font-weight: 300;
            font-size: 1.1rem;
            color: #333;
            line-height: 1.6;
            text-align: justify;
            margin-bottom: 0;
        }

        .modal-section {
            margin-bottom: 60px;
        }

        .modal-section-title {
            font-size: 1.2rem;
            font-weight: 500;
            margin-bottom: 20px;
            padding-left: 15px;
            border-left: 4px solid #000;
            line-height: 1;
        }

        .modal-text {
            font-size: 1rem;
            line-height: 1.8;
            color: #444;
            margin-bottom: 30px;
            text-align: justify;
        }

        .modal-text p {
            margin-bottom: 15px;
        }

        .modal-img-full {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin-bottom: 10px;
            display: block;
            background: transparent;
        }

        .modal-img-caption {
            font-size: 0.85rem;
            color: #999;
            text-align: center;
            margin-top: 10px;
            margin-bottom: 30px;
        }

        .modal-grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 30px;
        }

        .modal-grid-item img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .modal-caption {
            font-size: 0.85rem;
            color: #888;
            text-align: center;
            line-height: 1.5;
        }


        /* Mobile */
        @media (max-width: 768px) {
            .work-section {
                margin-top: 20vh;
            }

            .hamburger {
                display: block !important;
                margin-right: -8px !important;
            }

            .cursor-dot,
            .cursor-ring {
                display: none !important;
            }

            body {
                cursor: auto;
            }

            nav {
                padding: 16px 24px;
            }

            .nav-links-desktop {
                display: none;
            }

            .container {
                padding: 0 8vw;
            }

            header {
                height: 80vh;
            }

            h1 {
                font-size: 2.8rem;
                margin-bottom: 24px;
            }

            .hero-text {
                max-width: 100%;
                font-size: 1rem;
                text-align: left;
            }

            .hero-sub {
                margin-left: 0;
            }

            /* 修改通用项目移动端样式 */
            .work-section>.project-item,
            body:not(.mobile-view) .work-section>.project-item:nth-child(even) {
                flex-direction: column !important;
                margin-bottom: 80px;
                align-items: flex-start;
                transition: none;
            }

            /* Grid 布局在移动端回退到单列 */
            .project-grid-row {
                grid-template-columns: 1fr;
                gap: 60px;
                margin-bottom: 120px;
                width: 100%;
            }

            .project-card {
                padding: 24px;
            }

            .card-title {
                font-size: 1.6rem;
            }

            .card-desc {
                font-size: 0.9rem;
            }

            .card-tags {
                display: none;
            }

            .card-visual-box {
                aspect-ratio: 3 / 4;
            }

            /* 手机端图片样式更新 */
            .p-visual {
                width: 100%;
                height: auto !important;
                aspect-ratio: 16 / 10 !important;
                margin-bottom: 24px;
                box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
                border-radius: 16px;
                transform: none !important;
            }

            .p-visual-inner {
                transform: none !important;
                position: static;
            }

            .p-visual:hover .p-img {
                opacity: 1;
            }

            .p-info {
                width: 100% !important;
                padding: 0 !important;
            }

            .p-title {
                font-size: 2rem;
                margin-bottom: 16px;
                line-height: 1.3;
            }

            .p-tags {
                margin-bottom: 20px;
            }

            .modal-container {
                width: 90%;
                height: 80vh;
                border-radius: 16px;
            }

            .modal-scroll-area {
                padding: 80px 24px 40px 24px;
            }

            .modal-title {
                font-size: 2rem;
            }

            .modal-grid-2 {
                grid-template-columns: 1fr;
            }

            .modal-close-btn {
                top: 20px;
                right: 20px;
                background: rgba(255, 255, 255, 0.9);
                box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
                border: 1px solid rgba(0, 0, 0, 0.1);
            }

            .modal-close-btn::before {
                color: #000;
                font-weight: 600;
            }

            .footer-content {
                flex-direction: column;
                gap: 40px;
            }

            .footer-cta {
                font-size: 3rem;
                margin-bottom: 10px;
            }

            .contact-value {
                font-size: 1.2rem;
            }
        }

        .fade-in-desktop {
            opacity: 0;
            transform: translateY(50px);
            transition: 1s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .fade-in-desktop.visible {
            opacity: 1;
            transform: translateY(0);
            transform-origin: center center;
            will-change: transform, opacity, filter;
            transition: none !important;
        }

        /* 图片放大预览层 */
        .image-zoom-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.4);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            z-index: 20000;
            display: flex;
            justify-content: center;
            align-items: center;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
            cursor: zoom-out;
        }

        .image-zoom-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .zoomed-image {
            max-width: 95%;
            max-height: 95%;
            border-radius: 4px;
            transform: scale(0.9);
            transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .image-zoom-overlay.active .zoomed-image {
            transform: scale(1);
        }

        /* 简介下方的四列信息栏 */
        .modal-info-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin: 30px 0 10px 0;
            padding-top: 20px;
        }

        .info-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .info-label {
            font-size: 0.85rem;
            color: #999;
            font-weight: 400;
        }

        .info-value {
            font-size: 0.95rem;
            color: #111;
            font-weight: 500;
        }

        /* 手机端适配：两行两列 */
        @media (max-width: 768px) {
            .modal-info-bar {
                grid-template-columns: 1fr 1fr;
                margin: 20px 0;
            }
        }

        /* 视频容器修正 */
        .video-wrapper {
            width: 100%;
            height: auto;
            border-radius: 8px;
            overflow: hidden;
            transform: translateZ(0);
            position: relative;
            z-index: 1;
            background: #ffffff;
            margin-bottom: 10px;
        }

        .video-wrapper video {
            width: 100%;
            display: block;
            object-fit: cover;
        }

        /* 1. 初始状态：应用了此类的元素默认不可见，并向下偏移 */
        .scroll-item {
            opacity: 0;
            transform: translateY(90px);
            /* 向下偏移 60px，制造上升感 */
            /* 使用贝塞尔曲线模仿苹果的丝滑缓动效果，持续 0.8 秒 */
            transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* 2. 激活状态：当 JS 检测到元素进入视野后，添加此标记，元素复位并显示 */
        .scroll-item.is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 可选优化：让图片比左侧的文字晚 0.2 秒出现，制造高级的层次感 */
        .work-image.scroll-item {
            transition-delay: 0.6s;
        }

        .project-item,
        .project-card {
            /* 确保缩放是从中心开始的 */
            transform-origin: center center;
            /* 开启硬件加速 */
            will-change: transform;
        }

        .p-visual,
        .card-visual-box {
            position: relative;
            /* 必须有定位属性 z-index 才生效 */
            z-index: 1;
            /* 默认层级 */
        }