/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, #0f0c29 0%, #24243e 50%, #302b63 100%);
    min-height: 100vh;
    color: #333;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><radialGradient id="star" cx="50%" cy="50%"><stop offset="0%" style="stop-color:white;stop-opacity:0.8"/><stop offset="100%" style="stop-color:white;stop-opacity:0"/></radialGradient></defs><circle cx="10" cy="20" r="0.5" fill="url(%23star)"/><circle cx="80" cy="10" r="0.3" fill="url(%23star)"/><circle cx="30" cy="70" r="0.4" fill="url(%23star)"/><circle cx="90" cy="60" r="0.2" fill="url(%23star)"/><circle cx="60" cy="30" r="0.3" fill="url(%23star)"/><circle cx="20" cy="90" r="0.4" fill="url(%23star)"/></svg>') repeat;
    opacity: 0.6;
    animation: starfield 20s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes starfield {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

.container {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    min-height: 100vh;
    z-index: 1;
}

/* Logo样式 */
.logo-container {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
}

.logo {
    width: 80px;
    height: auto;
    opacity: 0.9;
    transition: all 0.3s ease;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.logo:hover {
    opacity: 1;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 云朵装饰 */
.clouds {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    opacity: 0.3;
    animation: cloudFloat 15s ease-in-out infinite;
}

.cloud::before,
.cloud::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
}

.cloud1 {
    width: 80px;
    height: 30px;
    top: 15%;
    left: -100px;
    animation-delay: 0s;
}

.cloud1::before {
    width: 50px;
    height: 50px;
    top: -25px;
    left: 10px;
}

.cloud1::after {
    width: 60px;
    height: 40px;
    top: -15px;
    right: 10px;
}

.cloud2 {
    width: 60px;
    height: 25px;
    top: 25%;
    left: -80px;
    animation-delay: 5s;
}

.cloud2::before {
    width: 40px;
    height: 40px;
    top: -20px;
    left: 5px;
}

.cloud2::after {
    width: 50px;
    height: 30px;
    top: -10px;
    right: 5px;
}

@keyframes cloudFloat {
    0% { transform: translateX(-100px); }
    50% { transform: translateX(calc(100vw + 50px)); }
    100% { transform: translateX(calc(100vw + 100px)); }
}

/* 月亮装饰 */
.moon-decoration {
    position: absolute;
    top: 20px;
    right: 30px;
    z-index: 1;
}

.moon {
    width: 100px;
    height: 100px;
    background:
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.8) 0%, transparent 20%),
        radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.4) 0%, transparent 30%),
        linear-gradient(135deg, #ffd700 0%, #ffed4e 50%, #ffc107 100%);
    border-radius: 50%;
    box-shadow:
        0 0 40px rgba(255, 215, 0, 0.8),
        0 0 80px rgba(255, 215, 0, 0.4),
        inset 0 0 20px rgba(255, 255, 255, 0.2);
    position: relative;
    animation: moonGlow 4s ease-in-out infinite alternate;
}

.moon::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 25px;
    width: 15px;
    height: 15px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.moon::after {
    content: '';
    position: absolute;
    bottom: 25px;
    right: 20px;
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

@keyframes moonGlow {
    0% {
        box-shadow:
            0 0 40px rgba(255, 215, 0, 0.8),
            0 0 80px rgba(255, 215, 0, 0.4),
            inset 0 0 20px rgba(255, 255, 255, 0.2);
        transform: scale(1);
    }
    100% {
        box-shadow:
            0 0 60px rgba(255, 215, 0, 1),
            0 0 120px rgba(255, 215, 0, 0.6),
            inset 0 0 30px rgba(255, 255, 255, 0.3);
        transform: scale(1.05);
    }
}

/* 星星装饰 */
.stars {
    position: absolute;
    top: -20px;
    left: -40px;
    height: 120px;
}

.star {
    position: absolute;
    color: #ffd700;
    font-size: 16px;
    animation: twinkle 2s ease-in-out infinite alternate;
}

.star1 { top: 10px; left: 20px; animation-delay: 0s; }
.star2 { top: 30px; left: 60px; animation-delay: 0.5s; }
.star3 { top: 50px; left: 10px; animation-delay: 1s; }
.star4 { top: 20px; left: 100px; animation-delay: 1.5s; }
.star5 { top: 5px; left: 50px; animation-delay: 2s; }
.star6 { top: 45px; left: 80px; animation-delay: 2.5s; }

@keyframes twinkle {
    0% { opacity: 0.5; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.2); }
}

/* 页面标题 */
.header {
    text-align: center;
    margin: 20px 0;
    position: relative;
    z-index: 2;
}

.title {
    font-size: 28px;
    color: #ffd700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    font-weight: 600;
}

.subtitle {
    font-size: 16px;
    color: #e6e6fa;
    opacity: 0.9;
    margin-bottom: 20px;
}

.title-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.decoration-line {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #ffd700, transparent);
    border-radius: 1px;
    animation: shimmer 2s ease-in-out infinite alternate;
}

.decoration-dot {
    color: #ffd700;
    font-size: 16px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes shimmer {
    0% { opacity: 0.5; transform: scaleX(0.8); }
    100% { opacity: 1; transform: scaleX(1); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.2); opacity: 1; }
}

/* 表单容器 */
.form-container {
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
    border-radius: 25px;
    padding: 35px 30px;
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.15),
        0 10px 20px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    position: relative;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ffd700, #ff6b6b, #4ecdc4, #45b7d1, #ffd700);
    border-radius: 27px;
    z-index: -1;
    opacity: 0.1;
    animation: borderGlow 3s ease-in-out infinite alternate;
}

@keyframes borderGlow {
    0% { opacity: 0.1; }
    100% { opacity: 0.3; }
}

/* 表单组 */
.form-group {
    margin-bottom: 12px;
    position: relative;
    animation: slideInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }

@keyframes slideInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-label {
    display: flex;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.label-icon {
    margin-right: 10px;
    font-size: 20px;
    transition: all 0.3s ease;
    display: inline-block;
}

.form-group:hover .label-icon {
    transform: scale(1.1) rotate(5deg);
}

.form-group:focus-within .label-icon {
    transform: scale(1.2);
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.6));
}

/* 输入框样式 */
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(224, 224, 224, 0.6);
    border-radius: 15px;
    font-size: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    backdrop-filter: blur(10px);
    box-shadow:
        0 4px 15px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    position: relative;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: #ffd700;
    box-shadow:
        0 0 0 4px rgba(255, 215, 0, 0.15),
        0 8px 25px rgba(255, 215, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 100%);
}

.form-input:hover, .form-select:hover, .form-textarea:hover {
    border-color: rgba(255, 215, 0, 0.5);
    transform: translateY(-1px);
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* 姓名输入容器样式 */
.name-input-container {
    position: relative;
}

.name-input {
    width: 100%;
    padding-right: 100px; /* 为右侧浮动选择器留出空间 */
}

/* 称谓选择器样式 */
.title-selector {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    min-width: 120px;
    z-index: 10;
}

.radio-group {
    display: flex;
    gap: 8px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.8) 100%);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(224, 224, 224, 0.6);
    border-radius: 15px;
    padding: 8px 12px;
    box-shadow:
        0 4px 15px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.radio-group:hover {
    border-color: rgba(255, 215, 0, 0.5);
    transform: translateY(-1px);
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.radio-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-custom {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 215, 0, 0.6);
    border-radius: 50%;
    margin-right: 6px;
    position: relative;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
}

.radio-custom::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ffd700;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.2s ease;
}

.radio-label input[type="radio"]:checked + .radio-custom {
    border-color: #ffd700;
    background: rgba(255, 215, 0, 0.1);
    box-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    transform: translate(-50%, -50%) scale(1);
}

.radio-text {
    font-size: 13px;
    color: #333;
    font-weight: 500;
    user-select: none;
}

.radio-label:hover .radio-custom {
    border-color: #ffd700;
    transform: scale(1.05);
}

.radio-label:hover .radio-text {
    color: #ffd700;
}

/* 地址输入容器样式 */
.address-input-container {
    position: relative;
}

.address-textarea {
    width: 100%;
    resize: vertical;
    min-height: 80px;
}

/* 地址识别按钮样式 */
.address-recognize-btn {
    position: absolute;
    right: 0;
    top: -45px; /* 移动到标签行 */
    padding: 6px 12px;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border: 2px solid rgba(255, 215, 0, 0.8);
    border-radius: 8px;
    color: #333;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    box-shadow:
        0 3px 10px rgba(255, 215, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    min-height: 32px;
    z-index: 10;
}

.address-recognize-btn:hover {
    background: linear-gradient(135deg, #ffed4e 0%, #ffd700 100%);
    transform: translateY(-2px);
    box-shadow:
        0 6px 20px rgba(255, 215, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    border-color: #ffd700;
}

.address-recognize-btn:active {
    transform: translateY(0);
    box-shadow:
        0 2px 8px rgba(255, 215, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.address-recognize-btn:disabled {
    background: linear-gradient(135deg, #ccc 0%, #ddd 100%);
    border-color: #ccc;
    color: #666;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.address-recognize-btn .btn-icon {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.address-recognize-btn:hover .btn-icon {
    transform: scale(1.1);
}

.address-recognize-btn .btn-text {
    font-size: 13px;
}

/* 加载状态样式 */
.address-recognize-btn.loading {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    cursor: wait;
}

.address-recognize-btn.loading .btn-icon {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 识别成功状态样式 */
.address-recognize-btn.success {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%) !important;
    border-color: #4CAF50 !important;
    transform: scale(1.05);
    transition: all 0.3s ease;
}

/* 选择框高亮效果 */
.form-select.highlight {
    border-color: #4CAF50 !important;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2), 0 0 10px rgba(76, 175, 80, 0.3) !important;
    transition: all 0.3s ease;
}

/* 移动端响应式样式 */
@media (max-width: 480px) {
    .name-input {
        padding-right: 130px; /* 为radio按钮留出更多空间 */
    }

    .title-selector {
        min-width: 110px; /* 适应radio按钮宽度 */
        right: 8px;
    }

    .radio-group {
        padding: 6px 8px;
        gap: 6px;
    }

    .radio-custom {
        width: 14px;
        height: 14px;
        margin-right: 4px;
    }

    .radio-custom::after {
        width: 6px;
        height: 6px;
    }

    .radio-text {
        font-size: 12px;
    }

    /* 移动端地址输入容器 */
    .address-recognize-btn {
        right: 0;
        top: -40px; /* 移动端调整位置 */
        padding: 5px 10px;
        font-size: 11px;
        min-height: 28px;
        gap: 3px;
    }

    .address-recognize-btn .btn-text {
        font-size: 10px;
    }

    .address-recognize-btn .btn-icon {
        font-size: 11px;
    }
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

/* 省市区选择器 */
.region-selector {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}

.form-select {
    padding: 12px 12px;
    font-size: 14px;
}

/* 错误信息 */
.error-message {
    color: #ff4757;
    font-size: 14px;
    margin-top: 5px;
    min-height: 20px;
    display: none;
}

/* 提交按钮 */
.submit-btn {
    width: 100%;
    padding: 18px;
    background:
        linear-gradient(135deg, #ffd700 0%, #ffed4e 50%, #ffc107 100%);
    border: none;
    border-radius: 18px;
    font-size: 18px;
    font-weight: 700;
    color: #333;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 8px 25px rgba(255, 215, 0, 0.4),
        0 4px 10px rgba(255, 215, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow:
        0 12px 35px rgba(255, 215, 0, 0.5),
        0 6px 15px rgba(255, 215, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.submit-btn:active {
    transform: translateY(-1px);
    transition: all 0.1s ease;
}

.btn-icon {
    margin-right: 8px;
    font-size: 20px;
}

/* 装饰元素 */
.decoration-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.osmanthus, .mooncake {
    position: absolute;
    font-size: 24px;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.3));
}

.osmanthus1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    animation: float 6s ease-in-out infinite, sparkle 3s ease-in-out infinite;
}
.osmanthus2 {
    top: 60%;
    right: 15%;
    animation-delay: 1s;
    animation: float 6s ease-in-out infinite, sparkle 3s ease-in-out infinite;
    animation-delay: 1s, 1.5s;
}
.osmanthus3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 2s;
    animation: float 6s ease-in-out infinite, sparkle 3s ease-in-out infinite;
    animation-delay: 2s, 0.5s;
}
.mooncake1 {
    top: 40%;
    left: 5%;
    animation-delay: 0.5s;
    animation: float 6s ease-in-out infinite, rotate 8s linear infinite;
    animation-delay: 0.5s, 0s;
}
.mooncake2 {
    bottom: 20%;
    right: 10%;
    animation-delay: 1.5s;
    animation: float 6s ease-in-out infinite, rotate 8s linear infinite;
    animation-delay: 1.5s, 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    33% { transform: translateY(-15px) scale(1.1); }
    66% { transform: translateY(-5px) scale(0.95); }
}

@keyframes sparkle {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.3)); }
    50% { filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.8)); }
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
    padding: 45px 35px;
    border-radius: 25px;
    text-align: center;
    max-width: 350px;
    width: 90%;
    box-shadow:
        0 25px 50px rgba(0, 0, 0, 0.25),
        0 10px 20px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: modalSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes modalSlideIn {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8) translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1) translateY(0);
    }
}

.success-icon {
    font-size: 60px;
    margin-bottom: 25px;
    animation: successBounce 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes successBounce {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-content h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 20px;
}

.modal-content p {
    color: #666;
    margin-bottom: 10px;
    line-height: 1.5;
}

.blessing {
    color: #ffd700 !important;
    font-weight: 600;
    margin-bottom: 25px !important;
}

.modal-btn {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

/* 响应式设计 */
@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .form-container {
        padding: 25px 20px;
    }
    
    .title {
        font-size: 24px;
    }
    
    .moon {
        width: 60px;
        height: 60px;
    }
    
    .region-selector {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}