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

        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #ffe6e6 0%, #ffb3b3 100%);
            min-height: 100vh;
            color: #333;
            position: relative;
            overflow-x: hidden;
        }

        .photo-wall {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            opacity: 0.15;
            pointer-events: none;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 20px;
            padding: 20px;
        }

        .photo-wall-item {
            position: relative;
            width: 150px;
            height: 150px;
            background-size: cover;
            background-position: center;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            transition: transform 0.3s ease;
            border: 3px solid rgba(255, 255, 255, 0.8);
        }

        .photo-wall-item:hover {
            transform: scale(1.1);
            z-index: 1;
        }

        .container {
            position: relative;
            z-index: 1;
            background: rgba(255, 255, 255, 0.85);
            border-radius: 20px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.1);
            backdrop-filter: blur(10px);
            margin: 2rem auto;
            max-width: 1200px;
            padding: 2rem;
        }

        .avatar-section {
            text-align: center;
            margin-bottom: 2rem;
        }

        .avatar {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            border: 4px solid rgba(231, 76, 60, 0.6);
            box-shadow: 0 4px 15px rgba(231, 76, 60, 0.2);
            margin-bottom: 1rem;
            transition: all 0.3s ease;
        }

        .avatar:hover {
            border-color: rgba(231, 76, 60, 0.8);
            box-shadow: 0 4px 20px rgba(231, 76, 60, 0.3);
            transform: scale(1.05);
        }

        .names {
            font-size: 1.8rem;
            color: #e74c3c;
            font-weight: bold;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
        }

        .names .heart {
            font-size: 1.5rem;
            margin: 0 0.5rem;
            vertical-align: middle;
        }

        header {
            text-align: center;
            padding: 3rem 0;
        }

        h1 {
            font-size: 3rem;
            color: #e74c3c;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }

        .countdown {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin: 2rem 0;
        }

        .countdown-item {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            text-align: center;
            min-width: 100px;
        }

        .countdown-number {
            font-size: 2.5rem;
            font-weight: bold;
            color: #e74c3c;
        }

        .countdown-label {
            font-size: 1rem;
            color: #666;
            margin-top: 0.5rem;
        }

        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }

        .gallery-item {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }

        .gallery-item:hover {
            transform: scale(1.05);
        }

        .gallery-item img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        .message {
            text-align: center;
            margin: 3rem 0;
            padding: 2rem;
            background: white;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }

        .message p {
            font-size: 1.2rem;
            line-height: 1.6;
            color: #666;
            margin-bottom: 1rem;
        }

        .heart {
            color: #e74c3c;
            font-size: 1.5rem;
            animation: heartbeat 1.5s infinite;
        }

        @keyframes heartbeat {
            0% { transform: scale(1); }
            50% { transform: scale(1.2); }
            100% { transform: scale(1); }
        }

        .timeline {
            margin: 4rem 0;
            padding: 2rem;
            background: white;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }

        .timeline h2 {
            text-align: center;
            color: #e74c3c;
            margin-bottom: 2rem;
            font-size: 2rem;
        }

        .timeline-container {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline-container::after {
            content: '';
            position: absolute;
            width: 4px;
            background: #e74c3c;
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background: #e74c3c;
            border-radius: 50%;
            top: 15px;
            z-index: 1;
        }

        .timeline-item:nth-child(odd)::after {
            right: -10px;
        }

        .timeline-item:nth-child(even)::after {
            left: -10px;
        }

        .timeline-date {
            font-weight: bold;
            color: #e74c3c;
            margin-bottom: 0.5rem;
        }

        .timeline-content {
            padding: 1rem;
            background: #f8f9fa;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .timeline-content h3 {
            margin-bottom: 0.5rem;
            color: #333;
        }

        .timeline-content p {
            color: #666;
            line-height: 1.4;
        }

        @media screen and (max-width: 768px) {
            .container {
                margin: 1rem;
                padding: 1rem;
            }

            .big-hero-text {
                width: 85%;
                padding: 1.5rem;
            }

            .big-hero-text h1 {
                font-size: 1.8rem;
                margin-bottom: 1rem;
                line-height: 1.4;
            }

            .big-hero-text p {
                font-size: 1rem;
            }

            .countdown {
                flex-wrap: wrap;
                gap: 1rem;
                justify-content: center;
            }

            .countdown-item {
                min-width: 80px;
                padding: 1rem;
            }

            .countdown-number {
                font-size: 1.8rem;
            }

            .countdown-label {
                font-size: 0.9rem;
            }

            .timeline-container::after {
                left: 31px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }

            .timeline-item:nth-child(even) {
                left: 0;
            }

            .timeline-item::after {
                left: 21px;
            }

            .timeline-content {
                padding: 0.8rem;
            }

            .timeline-content h3 {
                font-size: 1.1rem;
            }

            .timeline-content p {
                font-size: 0.9rem;
            }

            .timeline-date {
                font-size: 0.9rem;
            }

            .gallery {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .gallery-item img {
                height: 250px;
            }

            .message {
                padding: 1.5rem;
                margin: 2rem 0;
            }

            .message p {
                font-size: 1rem;
            }

            .total-details-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }

            .total-detail-item {
                padding: 0.8rem;
            }

            .total-detail-number {
                font-size: 1.4rem;
            }

            .total-detail-label {
                font-size: 0.9rem;
            }

            .avatar {
                width: 120px;
                height: 120px;
            }

            .names {
                font-size: 1.4rem;
            }

            .photo-wall-item {
                width: 100px;
                height: 100px;
            }
        }

        @media screen and (max-width: 480px) {
            .countdown-item {
                min-width: 70px;
                padding: 0.8rem;
            }

            .countdown-number {
                font-size: 1.5rem;
            }

            .countdown-label {
                font-size: 0.8rem;
            }

            .total-details-grid {
                grid-template-columns: 1fr;
            }

            .big-hero-text {
                width: 90%;
                padding: 1.2rem;
            }

            .big-hero-text h1 {
                font-size: 1.5rem;
                line-height: 1.3;
                padding: 0 0.5rem;
            }

            .timeline-content h3 {
                font-size: 1rem;
            }

            .timeline-content p {
                font-size: 0.85rem;
            }
        }

        @media screen and (max-width: 375px) {
            .big-hero-text {
                width: 95%;
                padding: 1rem;
            }

            .big-hero-text h1 {
                font-size: 1.3rem;
                line-height: 1.2;
            }
        }

        .total-time {
            margin: 3rem 0;
            text-align: center;
        }

        .total-time h2 {
            color: #e74c3c;
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
        }

        .total-details {
            margin: 2rem 0;
            padding: 2rem;
            background: white;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }

        .total-details h3 {
            color: #e74c3c;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }

        .total-details-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            text-align: center;
        }

        .total-detail-item {
            padding: 1rem;
            background: #f8f9fa;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }

        .total-detail-number {
            font-size: 1.8rem;
            font-weight: bold;
            color: #e74c3c;
            margin-bottom: 0.5rem;
        }

        .total-detail-label {
            color: #666;
            font-size: 1rem;
        }

        .big-hero {
            position: relative;
            height: 100vh;
            overflow: hidden;
        }

        .big-hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(231, 76, 60, 0.75) 0%, rgba(255, 107, 129, 0.75) 100%);
            z-index: 1;
        }

        .big-hero-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.8);
            transform: scale(1.1);
            transition: transform 0.5s ease;
        }

        .big-hero:hover .big-hero-img {
            transform: scale(1);
        }

        .big-hero-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: #fff;
            z-index: 2;
            width: 90%;
            max-width: 800px;
            padding: 2rem;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        .big-hero-text h1 {
            font-size: 3.2rem;
            margin-bottom: 1.2rem;
            font-weight: bold;
            letter-spacing: 2px;
            text-shadow: 3px 3px 12px rgba(0, 0, 0, 0.15);
            color: #fff;
            text-align: center;
            white-space: normal;
            word-wrap: break-word;
        }

        .big-hero-text h1::before,
        .big-hero-text h1::after {
            content: '❤';
            position: absolute;
            font-size: 1.5rem;
            color: #ffe6e6;
            animation: float 3s ease-in-out infinite;
        }

        .big-hero-text h1::before {
            left: -2rem;
            top: -1rem;
            animation-delay: 0s;
        }

        .big-hero-text h1::after {
            right: -2rem;
            bottom: -1rem;
            animation-delay: 1.5s;
        }

        .big-hero-text p {
            font-size: 1.4rem;
            color: #fff;
            opacity: 0.95;
            letter-spacing: 2px;
            text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.1);
            text-align: center;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(-50%);
            }
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        @media (max-width: 700px) {
    .big-hero-text {
        left: 50%; /* 改为基于中心点定位 */
        transform: translateX(-50%); /* 水平居中 */
        width: 90vw; /* 使用 vw 单位适配屏幕宽度 */
        max-width: 100%;
        padding: 1.5rem;
        box-sizing: border-box;
        text-align: center;
    }

    .big-hero-text h1 {
        font-size: 2rem;
        line-height: 1.4;
        text-align: center;
        word-wrap: break-word;
        white-space: normal;
        overflow-wrap: break-word;
        hyphens: auto;
        margin: 0 auto;
        display: block;
    }

    .big-hero-text p {
        font-size: 1rem;
        text-align: center;
    }
}