        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background-color: #0a0a0c;
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            color: #ffffff;
            line-height: 1.5;
        }

        html {
            scroll-behavior: smooth;
        }

        ::selection {
            background-color: #06b6d4;
            color: white;
        }

        .container {
            max-width: 1152px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }

        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(10, 10, 12, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .nav-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
        }

        .logo {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .logo span {
            color: #06b6d4;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-links a {
            color: #9ca3af;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
        }

        .nav-links a:hover {
            color: #ffffff;
        }

        .contact-nav-btn {
            border: 1px solid #06b6d4;
            padding: 0.5rem 1.25rem;
            border-radius: 9999px;
            color: #06b6d4 !important;
            background: transparent;
        }

        .contact-nav-btn:hover {
            background-color: #06b6d4;
            color: #ffffff !important;
        }

        .hero-section {
            text-align: center;
            padding: 5rem 0 6rem 0;
        }

        .hero-title {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            text-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
        }

        .hero-title .gradient-text {
            background: linear-gradient(to right, #06b6d4, #2563eb);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            display: inline-block;
        }

        .hero-desc {
            color: #9ca3af;
            font-size: 1.25rem;
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-works {
            padding: 5rem 0 5rem 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 2.5rem;
            letter-spacing: -0.01em;
        }

        .works-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .works-grid {
                grid-template-columns: 2fr 1fr;
            }
        }

        .work-card {
            position: relative;
            border-radius: 1.5rem;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: transform 0.2s;
        }

        .work-card:hover {
            transform: scale(1.01);
        }

        .work-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.3) 0%, rgba(0, 0, 0, 0.8) 90%);
            z-index: 1;
            pointer-events: none;
        }

        .work-card:last-child::before {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.35) 0%, rgba(0, 0, 0, 0.85) 100%);
        }

        .work-content {
            position: relative;
            z-index: 2;
            padding: 2rem 1.75rem;
            width: 100%;
        }

        .work-title {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
            letter-spacing: -0.3px;
        }

        .work-sub {
            color: #00fcff;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .work-card:last-child .work-title {
            font-size: 1.6rem;
        }

        .work-card:last-child .work-sub {
            color: #9ca3af;
        }

        .marble-bg {
            background-image: radial-gradient(circle at 20% 30%, rgba(6, 182, 212, 0.2), #041824 80%);
            background-color: #082032;
        }

        .more-bg {
            background-image: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.2), #030b1a 90%);
            background-color: #0a1222;
        }

        .contact-section {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 5rem 0;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            align-items: start;
        }

        @media (min-width: 768px) {
            .contact-grid {
                grid-template-columns: 1fr 1fr;
                gap: 4rem;
            }
        }

        .contact-left h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1.25rem;
        }

        .contact-text {
            color: #9ca3af;
            margin-bottom: 2rem;
            line-height: 1.6;
            font-size: 1rem;
        }

        .email-list {
            margin-top: 0.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.6rem;
        }

        .email-item {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .email-label-wrapper {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .email-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 1.2rem;
            height: 1.2rem;
            color: #61fafc;
            flex-shrink: 0;
        }

        .email-icon svg {
            width: 100%;
            height: 100%;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .email-label {
            font-size: 0.7rem;
            letter-spacing: 0.12em;
            color: #6b7280;
            font-weight: 600;
            text-transform: uppercase; /* 全大写核心样式 */
        }

        .email-address {
            font-size: 1.05rem;
            font-weight: 600;
            color: #61fafc;
            text-decoration: none;
            word-break: break-all;
            transition: opacity 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .mail-icon-inline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 1rem;
            height: 1rem;
            opacity: 0.8;
        }

        .mail-icon-inline svg {
            width: 100%;
            height: 100%;
            stroke: #78f4f5;
            stroke-width: 2;
            fill: none;
        }

        .email-address:hover {
            text-decoration: underline;
            opacity: 0.85;
        }

        @media (max-width: 640px) {
            .email-address {
                font-size: 0.9rem;
            }

            .email-label {
                font-size: 0.65rem;
            }
        }

        .form-wrapper {
            background-color: rgba(17, 17, 20, 0.3);
            border: 1px solid #26262c;
            border-radius: 1.5rem;
            padding: 2rem;
        }

        .input-field,
        .textarea-field {
            width: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            border: 1px solid #374151;
            border-radius: 0.75rem;
            padding: 0.85rem 1rem;
            color: white;
            font-size: 0.95rem;
            outline: none;
            transition: all 0.2s;
            font-family: inherit;
        }

        .input-field:focus,
        .textarea-field:focus {
            border-color: #61fafc;
        }

        .textarea-field {
            resize: vertical;
            min-height: 110px;
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .submit-btn {
            width: 100%;
            background-color: #0891b2;
            border: none;
            border-radius: 0.75rem;
            padding: 0.85rem;
            font-weight: 700;
            font-size: 1rem;
            color: white;
            cursor: pointer;
            transition: background-color 0.2s;
            margin-top: 0.25rem;
        }

        .submit-btn:hover {
            background-color: #61fafc;
        }

        .footer {
            text-align: center;
            padding: 2rem 0 2.5rem;
            color: #4b5563;
            font-size: 0.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .hero-desc {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .contact-left h2 {
                font-size: 2rem;
            }

            .work-card {
                min-height: 260px;
            }

            .work-title {
                font-size: 1.6rem;
            }

            .work-card:last-child .work-title {
                font-size: 1.4rem;
            }

            .nav-inner {
                padding: 1rem 0;
            }

            .nav-links {
                gap: 1.2rem;
            }

            .logo {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .work-content {
                padding: 1.5rem;
            }

            .form-wrapper {
                padding: 1.5rem;
            }
        }

        .footer {
            text-align: center;
            padding: 2rem 0 2.5rem;
            color: #1a1919;
            font-size: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-link {
            color: #9ca3af;
            text-decoration: none;
            transition: color 0.2s ease;
            font-size: 1rem;
        }

        .footer-link:hover {
            color: #61fafc;
        }

        .footer-separator {
            color: #374151;
        }

        .footer-copyright {
            color: #6b7280;
        }

        .footer-icp {
            color: #4b5563;
            font-size: 1rem;
        }

        @media (max-width: 640px) {
            .footer {
                padding: 1.5rem 0 2rem;
            }

            .footer-links {
                gap: 0.75rem;
            }

            .footer-link {
                font-size: 0.7rem;
            }

            .footer-copyright {
                font-size: 0.7rem;
            }

            .footer-icp {
                font-size: 0.65rem;
            }
        }
