/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    background-attachment: fixed;
}

/* 登录注册页面样式 */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    padding: 20px;
}

.auth-box {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.auth-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
}

.auth-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #2c3e50;
    font-size: 28px;
    font-weight: 700;
    border-bottom: none;
    padding-bottom: 0;
}

.auth-box .form-group {
    margin-bottom: 25px;
    position: relative;
}

.auth-box .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.auth-box input[type="text"],
.auth-box input[type="email"],
.auth-box input[type="password"] {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid #e1e8ed;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #fafbfc;
}

.auth-box input[type="text"]:focus,
.auth-box input[type="email"]:focus,
.auth-box input[type="password"]:focus {
    outline: none;
    border-color: #66a3ff;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(102, 163, 255, 0.1);
}

/* 图标样式 */
.auth-box .form-group::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 45px;
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.auth-box .form-group:focus-within::before {
    opacity: 1;
    color: #66a3ff;
}

/* 用户名图标 */
.auth-box .form-group:nth-child(2)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='currentColor' viewBox='0 0 16 16'%3E%3Cpath d='M13 6a3 3 0 1 1-6 0 3 3 0 0 1 6 0z'/%3E%3Cpath fill-rule='evenodd' d='M0 8a8 8 0 1 1 16 0A8 8 0 0 1 0 8zm8-7a7 7 0 0 0-5.468 11.37C3.242 11.226 4.805 10 8 10s4.757 1.225 5.468 2.37A7 7 0 0 0 8 1z'/%3E%3C/svg%3E");
}

/* 邮箱图标 */
.auth-box .form-group:nth-child(3)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='currentColor' viewBox='0 0 16 16'%3E%3Cpath d='M.05 3.555A2 2 0 0 1 2 2h12a2 2 0 0 1 1.95 1.555L8 8.414.05 3.555zM0 4.697v7.104l5.803-3.558L0 4.697zM6.761 8.83l-6.57 4.027A2 2 0 0 0 2 14h6.256A4.493 4.493 0 0 1 8 12.5a4.49 4.49 0 0 1 1.606-3.446l-.367-.225L8 9.586l-1.239-.757zm3.436-.586L16 11.801V4.697l-5.803 3.546z'/%3E%3C/svg%3E");
}

/* 密码图标 */
.auth-box .form-group:nth-child(4)::before,
.auth-box .form-group:nth-child(5)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='currentColor' viewBox='0 0 16 16'%3E%3Cpath d='M8 1a2 2 0 0 1 2 2v4H6V3a2 2 0 0 1 2-2zm3 6V3a3 3 0 0 0-6 0v4a2 2 0 0 0-2 2v5a2 2 0 0 0 2 2h6a2 2 0 0 0 2-2V9a2 2 0 0 0-2-2z'/%3E%3C/svg%3E");
}

/* 确认密码图标 */
.auth-box .form-group:nth-child(6)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='currentColor' viewBox='0 0 16 16'%3E%3Cpath d='M8 1a2 2 0 0 1 2 2v4H6V3a2 2 0 0 1 2-2zm3 6V3a3 3 0 0 0-6 0v4a2 2 0 0 0-2 2v5a2 2 0 0 0 2 2h6a2 2 0 0 0 2-2V9a2 2 0 0 0-2-2z'/%3E%3C/svg%3E");
}

/* 按钮样式 */
.auth-box .btn-primary {
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 163, 255, 0.4);
}

.auth-box .btn-primary:hover {
    background: linear-gradient(135deg, #3385ff 0%, #66a3ff 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 163, 255, 0.6);
}

.auth-box .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(102, 163, 255, 0.4);
}

/* 错误和成功消息 */
.auth-box .error-message,
.auth-box .success-message {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 600;
    animation: fadeIn 0.3s ease;
}

.auth-box .error-message {
    background-color: #fee;
    border: 2px solid #fcc;
    color: #c33;
}

.auth-box .success-message {
    background-color: #efe;
    border: 2px solid #cfc;
    color: #393;
}

/* 复选框样式 */
.auth-box .checkbox-label {
    display: flex;
    align-items: center;
    font-weight: normal;
    text-transform: none;
    letter-spacing: 0;
    cursor: pointer;
}

.auth-box .checkbox-label input[type="checkbox"] {
    margin-right: 10px;
    width: 20px;
    height: 20px;
    accent-color: #66a3ff;
}

/* 页脚链接 */
.auth-box .auth-footer {
    text-align: center;
    margin-top: 30px;
    color: #666;
}

.auth-box .auth-footer a {
    color: #66a3ff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-box .auth-footer a:hover {
    color: #3385ff;
    text-decoration: underline;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 480px) {
    .auth-box {
        padding: 30px 20px;
        margin: 0 15px;
    }
    
    .auth-box h2 {
        font-size: 24px;
    }
    
    .auth-box input[type="text"],
    .auth-box input[type="email"],
    .auth-box input[type="password"] {
        padding: 12px 12px 12px 40px;
        font-size: 14px;
    }
    
    .auth-box .btn-primary {
        padding: 12px;
        font-size: 14px;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 20px;
    color: #2c3e50;
}

h2 {
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group.half {
    flex: 1;
    min-width: 0;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #3498db;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 14px 26px;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(102, 163, 255, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

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

.btn:hover {
    background: linear-gradient(135deg, #3385ff 0%, #66a3ff 100%);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(102, 163, 255, 0.45);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 163, 255, 0.3);
}

.btn-primary {
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #3385ff 0%, #66a3ff 100%);
}

.btn-success {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #229954 0%, #27ae60 100%);
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.45);
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.45);
}

.btn-secondary {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
    box-shadow: 0 4px 15px rgba(149, 165, 166, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #7f8c8d 0%, #95a5a6 100%);
    box-shadow: 0 8px 25px rgba(149, 165, 166, 0.45);
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
    padding: 18px 24px;
    font-size: 18px;
    border-radius: 15px;
}

.btn-block:hover {
    transform: translateY(-4px) scale(1.02);
}

/* 卡片样式 */
.card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 28px;
    margin-bottom: 28px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    border-radius: 4px 0 0 4px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(102, 163, 255, 0.3);
}

.card:hover::before {
    width: 8px;
}

.card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(102, 163, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transition: all 0.4s ease;
}

.card:hover::after {
    transform: scale(2);
    opacity: 0.05;
}

/* 导航样式 */
nav {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.98) 0%, rgba(52, 73, 94, 0.95) 100%);
    color: white;
    padding: 18px 0;
    margin-bottom: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}

nav.scrolled {
    padding: 12px 0;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.99) 0%, rgba(52, 73, 94, 0.98) 100%);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

nav h1 {
    margin: 0;
    color: white;
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    transition: all 0.3s ease;
}

nav h1 img {
    vertical-align: middle;
    margin-right: 12px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

nav h1 img:hover {
    transform: scale(1.1) rotate(5deg);
}

nav.scrolled h1 {
    font-size: 24px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 8px 0;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #66a3ff, #3385ff);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-links a:hover {
    color: #66a3ff;
    transform: translateY(-2px);
}

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

.nav-links a.active {
    color: #66a3ff;
}

.nav-links a.active::before {
    width: 100%;
}



/* 首页样式 */
.hero {
    background: linear-gradient(135deg, rgba(102, 163, 255, 0.95) 0%, rgba(51, 133, 255, 0.98) 100%);
    color: white;
    padding: 160px 0 140px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: 0 0 60px 60px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
    border-radius: 0 0 60px 60px;
    animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.1) translate(10px, -10px); }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h2 {
    margin-bottom: 25px;
    font-size: 4rem;
    color: white;
    text-align: center;
    font-weight: 800;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    letter-spacing: -1px;
    animation: fadeInUp 1s ease-out;
}

.hero p {
    margin-bottom: 50px;
    font-size: 1.6rem;
    color: white;
    text-align: center;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.98;
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.2s both;
    line-height: 1.7;
}

.hero .btn {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
    color: #66a3ff;
    border: none;
    padding: 20px 42px;
    font-size: 1.3rem;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 700;
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.35);
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: fadeInUp 1s ease-out 0.4s both;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.hero .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 163, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.hero .btn:hover::before {
    left: 100%;
}

.hero .btn:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.95) 100%);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 50px rgba(255, 255, 255, 0.5);
    color: #3385ff;
}

.servers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 35px;
    margin-bottom: 60px;
    padding: 0 10px;
}

.server-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
    border-radius: 20px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    z-index: 1;
}

.server-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #66a3ff, #3385ff, #87ceeb, #4682b4);
    background-size: 200% 100%;
    animation: gradientShift 3s ease-in-out infinite alternate;
    z-index: 2;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.server-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(102, 163, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    transition: all 0.4s ease;
}

.server-card:hover::after {
    transform: scale(3);
    opacity: 0.1;
}

.server-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
    border-color: rgba(102, 163, 255, 0.3);
    z-index: 10;
}

.server-card-header {
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    color: white;
    padding: 32px 28px 28px;
    position: relative;
    overflow: hidden;
    border-radius: 0 0 30px 30px;
}

.server-card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.6s ease;
}

.server-card:hover .server-card-header::before {
    left: 100%;
}

.server-card-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: -20px;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.server-card-header h3 {
    margin-bottom: 12px;
    color: white;
    font-size: 24px;
    font-weight: 700;
    position: relative;
    z-index: 1;
    line-height: 1.3;
}

.server-price {
    font-size: 36px;
    font-weight: 800;
    color: #38ef7d;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.server-price::after {
    content: '/月';
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: none;
}

.server-card-body {
    padding: 28px;
}

.server-specs {
    margin-bottom: 28px;
    background: rgba(102, 163, 255, 0.05);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(102, 163, 255, 0.1);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(102, 163, 255, 0.1);
    align-items: center;
    transition: all 0.3s ease;
}

.spec-item:hover {
    background: rgba(102, 163, 255, 0.08);
    padding-left: 8px;
    border-radius: 8px;
    margin-left: -8px;
    margin-right: -8px;
}

.spec-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.spec-label {
    font-weight: 600;
    color: #666;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.spec-label::before {
    content: '⚡';
    font-size: 16px;
    opacity: 0.6;
}

.spec-value {
    color: #333;
    font-weight: 700;
    font-size: 15px;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.server-description {
    margin-bottom: 28px;
    color: #555;
    font-size: 15px;
    line-height: 1.7;
    background: rgba(255, 255, 255, 0.8);
    padding: 16px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* 关于我们 */
#about {
    background-color: white;
    padding: 100px 0;
    margin-top: 80px;
}

#about h2 {
    margin-bottom: 30px;
    font-size: 2.5rem;
    color: #2c3e50;
    text-align: center;
}

#about p {
    max-width: 800px;
    margin: 0 auto 20px;
    color: #666;
    line-height: 1.8;
    font-size: 1.1rem;
}

/* 服务特色 */
#features {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 80px 0;
    margin: 80px 0;
}

#features h2 {
    margin-bottom: 30px;
    font-size: 2.5rem;
    color: #2c3e50;
    text-align: center;
}

#features p {
    text-align: center;
    margin-bottom: 50px;
    color: #666;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-card {
    background-color: white;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: #3498db;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 600;
}

.feature-card p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 0;
    text-align: center;
}

/* 页脚 */
footer {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.98) 0%, rgba(52, 73, 94, 0.95) 100%);
    color: white;
    padding: 80px 0 30px;
    margin-top: 120px;
    position: relative;
    overflow: hidden;
    border-radius: 60px 60px 0 0;
    backdrop-filter: blur(15px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #66a3ff, #3385ff, #87ceeb, #4682b4);
    background-size: 200% 100%;
    animation: gradientShift 3s ease-in-out infinite alternate;
}

footer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 163, 255, 0.1) 0%, transparent 70%);
    animation: bgFloat 20s ease-in-out infinite alternate;
    z-index: 0;
}

@keyframes bgFloat {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, -50px) scale(1.2); }
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 45px;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.footer-section {
    transition: all 0.4s ease;
    padding: 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-section:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(102, 163, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.footer-section h3 {
    color: white;
    margin-bottom: 22px;
    font-size: 1.4rem;
    font-weight: 700;
    border-bottom: 3px solid rgba(102, 163, 255, 0.5);
    padding-bottom: 12px;
    display: inline-block;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.footer-section:hover h3 {
    transform: translateX(10px);
    border-bottom-color: rgba(102, 163, 255, 0.8);
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.footer-section ul li:hover {
    transform: translateX(10px);
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
    display: inline-block;
    padding: 8px 12px;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.footer-section ul li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    transition: width 0.3s ease;
    z-index: -1;
    border-radius: 8px;
}

.footer-section ul li a:hover {
    color: #66a3ff;
    transform: translateX(8px);
    background: rgba(102, 163, 255, 0.1);
}

.footer-section ul li a:hover::before {
    width: 100%;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.03);
    padding: 16px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 2px solid rgba(255, 255, 255, 0.05);
    color: #95a5a6;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    margin: 0 0 10px;
    transition: all 0.3s ease;
}

.footer-bottom p:hover {
    color: #66a3ff;
}

.footer-bottom a {
    color: #66a3ff;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 600;
}

.footer-bottom a:hover {
    color: #3385ff;
    text-decoration: underline;
    transform: translateY(-2px);
}

/* 分类筛选按钮 */
.filter-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 50px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0 20px;
}

.filter-btn {
    padding: 14px 28px;
    border-radius: 40px;
    border: 2px solid rgba(102, 163, 255, 0.3);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
    color: #66a3ff;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 163, 255, 0.2), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.filter-btn:hover::before, .filter-btn.active::before {
    left: 100%;
}

.filter-btn:hover, .filter-btn.active {
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    color: white;
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 10px 30px rgba(102, 163, 255, 0.45);
    border-color: rgba(102, 163, 255, 0.8);
}

.filter-btn:active {
    transform: translateY(-2px) scale(1.05);
}

.filter-btn.active {
    animation: pulse 0.6s ease;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1.08); }
}

/* 产品类型标签 */
.product-type-badge {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 18px;
    transition: all 0.4s ease;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
    z-index: 1;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.product-type-badge::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 ease;
    z-index: -1;
}

.product-type-badge:hover::before {
    left: 100%;
}

.product-type-badge:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.product-type-badge.server {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    animation: badgePulse 2s ease-in-out infinite alternate;
}

.product-type-badge.public_ip {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    color: white;
    animation: badgePulse 2s ease-in-out infinite alternate 0.2s;
}

.product-type-badge.vps {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
    animation: badgePulse 2s ease-in-out infinite alternate 0.4s;
}

.product-type-badge.cloud_hosting {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    animation: badgePulse 2s ease-in-out infinite alternate 0.6s;
}

.product-type-badge.object_storage {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
    color: white;
    animation: badgePulse 2s ease-in-out infinite alternate 0.8s;
}

.product-type-badge.cloud_computer {
    background: linear-gradient(135deg, #1abc9c 0%, #16a085 100%);
    color: white;
    animation: badgePulse 2s ease-in-out infinite alternate 1s;
}

@keyframes badgePulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-slideInRight {
    animation: slideInRight 0.8s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }
.animate-delay-6 { animation-delay: 0.6s; }
.animate-delay-7 { animation-delay: 0.7s; }

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .servers-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 200px;
    }
    
    #about {
        padding: 60px 0;
    }
    
    #about h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .server-card-header h3 {
        font-size: 1.3rem;
    }
    
    .server-price {
        font-size: 1.5rem;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 250px;
    }
}

/* 登录/注册页面样式 */
.login-container,
.register-container {
    max-width: 500px;
    margin: 50px auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 40px;
}

.login-container h2,
.register-container h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #2c3e50;
}

.login-form,
.register-form {
    max-width: 400px;
    margin: 0 auto;
}

.login-form .btn,
.register-form .btn {
    margin-top: 10px;
}

.login-footer,
.register-footer {
    text-align: center;
    margin-top: 20px;
    color: #666;
}

.login-footer a,
.register-footer a {
    color: #3498db;
    text-decoration: none;
}

.login-footer a:hover,
.register-footer a:hover {
    text-decoration: underline;
}

/* 管理员页面样式 */
.admin-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    position: relative;
    overflow: hidden;
}

.admin-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: bgFloat 20s ease-in-out infinite alternate;
    z-index: 0;
}

.admin-main {
    display: flex;
    flex: 1;
    position: relative;
    z-index: 1;
}

.admin-sidebar {
    width: 290px;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.98) 0%, rgba(52, 73, 94, 0.95) 100%);
    color: white;
    padding: 28px 0;
    box-shadow: 4px 0 25px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.admin-sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #66a3ff, #3385ff, #87ceeb, #4682b4);
    background-size: 100% 200%;
    animation: gradientShift 3s ease-in-out infinite alternate;
}

.admin-sidebar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #66a3ff, #3385ff, #87ceeb, #4682b4);
    background-size: 200% 100%;
    animation: gradientShift 3s ease-in-out infinite alternate;
}

.admin-sidebar:hover {
    width: 310px;
    box-shadow: 6px 0 30px rgba(0, 0, 0, 0.25);
}

.admin-header {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.98) 0%, rgba(52, 73, 94, 0.95) 100%);
    color: white;
    padding: 22px 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.admin-header:hover {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.99) 0%, rgba(52, 73, 94, 0.98) 100%);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.admin-header h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logout-btn {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 14px;
}

.logout-btn:hover {
    background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.45);
}

.admin-logo {
    text-align: center;
    margin-bottom: 40px;
    padding: 0 25px;
}

.admin-logo h2 {
    color: white;
    margin-bottom: 10px;
    font-size: 28px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.admin-menu {
    list-style: none;
    padding: 0 14px;
    margin-top: 35px;
}

.admin-menu li {
    margin-bottom: 10px;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.admin-menu li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 163, 255, 0.1) 0%, rgba(51, 133, 255, 0.1) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
    z-index: -1;
    border-radius: 12px;
}

.admin-menu li:hover::before {
    transform: scaleX(1);
}

.admin-menu li:hover {
    transform: translateX(8px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.25);
}

.admin-menu a {
    display: flex;
    align-items: center;
    padding: 16px 28px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 15px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    gap: 12px;
}

.admin-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #66a3ff, #3385ff, #87ceeb, #4682b4);
    background-size: 100% 200%;
    animation: gradientShift 3s ease-in-out infinite alternate;
    transform: scaleY(0);
    transition: transform 0.4s ease;
    border-radius: 0 4px 4px 0;
}

.admin-menu a::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.admin-menu a:hover {
    background: linear-gradient(135deg, rgba(102, 163, 255, 0.15) 0%, rgba(51, 133, 255, 0.15) 100%);
    color: white;
    padding-left: 32px;
    transform: translateY(-2px);
}

.admin-menu a:hover::before {
    transform: scaleY(1);
}

.admin-menu a:hover::after {
    left: 100%;
}

.admin-menu a.active {
    background: linear-gradient(135deg, rgba(102, 163, 255, 0.95) 0%, rgba(51, 133, 255, 0.95) 100%);
    color: white;
    box-shadow: 0 6px 20px rgba(102, 163, 255, 0.4);
    transform: translateX(8px);
}

.admin-menu a.active::before {
    transform: scaleY(1);
}

.admin-menu a.active::after {
    left: 100%;
}

.admin-content {
    flex: 1;
    padding: 35px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
    backdrop-filter: blur(20px);
    overflow-y: auto;
    position: relative;
    z-index: 1;
    box-shadow: inset 4px 0 20px rgba(0, 0, 0, 0.05);
}

.admin-content h2 {
    margin-bottom: 25px;
    color: #2c3e50;
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-bottom: 12px;
    border-bottom: 3px solid rgba(102, 163, 255, 0.3);
}

.admin-content h3 {
    margin: 30px 0 18px;
    color: #34495e;
    font-size: 22px;
    font-weight: 600;
    position: relative;
    padding-left: 20px;
}

.admin-content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #66a3ff, #3385ff);
    border-radius: 50%;
    box-shadow: 0 0 0 6px rgba(102, 163, 255, 0.1);
}

.admin-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #555;
}

/* 管理面板统计卡片样式 */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.admin-stat-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(102, 163, 255, 0.2);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.admin-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #66a3ff, #3385ff, #87ceeb, #4682b4);
    background-size: 200% 100%;
    animation: gradientShift 3s ease-in-out infinite alternate;
}

.admin-stat-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(102, 163, 255, 0.4);
}

.admin-stat-card h4 {
    margin: 0 0 15px;
    color: #666;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-stat-value {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.admin-stat-change {
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-stat-change.positive {
    color: #27ae60;
}

.admin-stat-change.negative {
    color: #e74c3c;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.95) 100%);
    padding: 20px 25px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.admin-header:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.admin-header h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logout-btn {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.logout-btn:hover {
    background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4);
}

/* 表格样式 */
.table-container {
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.table-container:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

th {
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    color: white;
    padding: 20px 25px;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
    border-bottom: none;
    position: relative;
    overflow: hidden;
}

th::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.table-container:hover th::after {
    left: 100%;
}

td {
    padding: 20px 25px;
    text-align: left;
    border-bottom: 1px solid #f0f4f8;
    color: #4a5568;
    transition: all 0.3s ease;
    position: relative;
}

tr {
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.8);
}

tr:hover {
    background: linear-gradient(135deg, rgba(102, 163, 255, 0.05) 0%, rgba(51, 133, 255, 0.05) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 10;
    position: relative;
}

tr:hover td {
    color: #2d3748;
    background-color: rgba(255, 255, 255, 0.95);
}

/* 表格行分隔线 */
tr:last-child td {
    border-bottom: none;
}

/* 响应式表格 */
@media (max-width: 768px) {
    .table-container {
        border-radius: 10px;
    }
    
    th, td {
        padding: 15px;
        font-size: 14px;
    }
}

/* 操作按钮 */
.action-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.action-btn {
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

.action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
    z-index: 1;
}

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

.action-btn span {
    position: relative;
    z-index: 2;
}

.action-btn.edit {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

.action-btn.edit:hover {
    background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.action-btn.delete {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

.action-btn.delete:hover {
    background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4);
}

.action-btn.view {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    color: white;
}

.action-btn.view:hover {
    background: linear-gradient(135deg, #229954 0%, #27ae60 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.4);
}

/* 服务器表单 */
.server-form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

/* 用户页面样式 */
.user-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    position: relative;
    overflow: hidden;
}

.user-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: bgFloat 20s ease-in-out infinite alternate;
    z-index: 0;
}

.user-main {
    display: flex;
    flex: 1;
    position: relative;
    z-index: 1;
}

.user-sidebar {
    width: 290px;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.98) 0%, rgba(52, 73, 94, 0.95) 100%);
    color: white;
    padding: 28px 0;
    box-shadow: 4px 0 25px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.user-sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #66a3ff, #3385ff, #87ceeb, #4682b4);
    background-size: 100% 200%;
    animation: gradientShift 3s ease-in-out infinite alternate;
}

.user-sidebar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #66a3ff, #3385ff, #87ceeb, #4682b4);
    background-size: 200% 100%;
    animation: gradientShift 3s ease-in-out infinite alternate;
}

.user-sidebar:hover {
    width: 310px;
    box-shadow: 6px 0 30px rgba(0, 0, 0, 0.25);
}

.user-header {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.98) 0%, rgba(52, 73, 94, 0.95) 100%);
    color: white;
    padding: 22px 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.user-header:hover {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.99) 0%, rgba(52, 73, 94, 0.98) 100%);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.user-header h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    text-align: center;
    margin: 0 20px 35px;
    padding: 32px 25px;
    background: linear-gradient(135deg, rgba(102, 163, 255, 0.2) 0%, rgba(51, 133, 255, 0.2) 100%);
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.user-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.user-info:hover::before {
    left: 100%;
}

.user-info:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(102, 163, 255, 0.3);
}

.user-info h3 {
    color: white;
    margin-bottom: 12px;
    font-size: 24px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.user-info p {
    color: #bdc3c7;
    font-size: 15px;
    margin-bottom: 18px;
    position: relative;
    z-index: 2;
}

.verify-status {
    margin-top: 18px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    font-size: 14px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.verify-label {
    font-weight: 600;
    color: #ecf0f1;
    display: block;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 12px;
}

.verify-value {
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.4s ease;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.verify-value.verified {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    color: white;
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.4);
}

.verify-value.unverified {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

.verify-value:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.user-menu {
    list-style: none;
    padding: 0 14px;
    margin-top: 20px;
}

.user-menu li {
    margin-bottom: 10px;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.user-menu li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
    z-index: -1;
    border-radius: 12px;
}

.user-menu li:hover::before {
    transform: scaleX(1);
}

.user-menu li:hover {
    transform: translateX(8px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.25);
}

.user-menu a {
    display: flex;
    align-items: center;
    padding: 16px 28px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 15px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    gap: 12px;
}

.user-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #66a3ff, #3385ff, #87ceeb, #4682b4);
    background-size: 100% 200%;
    animation: gradientShift 3s ease-in-out infinite alternate;
    transform: scaleY(0);
    transition: transform 0.4s ease;
    border-radius: 0 4px 4px 0;
}

.user-menu a::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.user-menu a:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 100%);
    color: white;
    padding-left: 32px;
    transform: translateY(-2px);
}

.user-menu a:hover::before {
    transform: scaleY(1);
}

.user-menu a:hover::after {
    left: 100%;
}

.user-menu a.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.95) 0%, rgba(118, 75, 162, 0.95) 100%);
    color: white;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    transform: translateX(8px);
}

.user-menu a.active::before {
    transform: scaleY(1);
}

.user-menu a.active::after {
    left: 100%;
}

.user-content {
    flex: 1;
    padding: 35px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
    backdrop-filter: blur(20px);
    overflow-y: auto;
    position: relative;
    z-index: 1;
    box-shadow: inset 4px 0 20px rgba(0, 0, 0, 0.05);
}

.user-content h2 {
    margin-bottom: 25px;
    color: #2c3e50;
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-bottom: 12px;
    border-bottom: 3px solid rgba(102, 126, 234, 0.3);
}

.user-content h3 {
    margin: 30px 0 18px;
    color: #34495e;
    font-size: 22px;
    font-weight: 600;
    position: relative;
    padding-left: 20px;
}

.user-content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #66a3ff, #3385ff);
    border-radius: 50%;
    box-shadow: 0 0 0 6px rgba(102, 126, 234, 0.1);
}

.user-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #555;
}

.user-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.95) 100%);
    padding: 20px 25px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.user-header:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.user-header h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.user-main {
    display: flex;
    flex: 1;
}

.verify-prompt {
  background-color: #fff3e0;
  border: 1px solid #ffcc80;
  border-radius: 4px;
  padding: 20px;
  margin: 20px 0;
  display: flex;
  align-items: center;
}

.prompt-content {
  flex: 1;
}

.prompt-content h4 {
  margin: 0 0 5px 0;
  color: #ef6c00;
}

.prompt-content p {
  margin: 0 0 10px 0;
  color: #f57c00;
}

.no-data {
  text-align: center;
  color: #666;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 4px;
  margin-top: 20px;
}

.user-content h3 {
  margin-top: 30px;
  color: #333;
  border-bottom: 1px solid #eee;
  padding-bottom: 10px;
}

/* 签到区域样式 */
.checkin-section {
    background-color: white;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #e1e8ed;
}

.checkin-section h3 {
    margin: 0 0 20px 0;
    color: #2c3e50;
    font-size: 20px;
    font-weight: 600;
    border-bottom: 2px solid #e1e8ed;
    padding-bottom: 10px;
}

.checkin-card {
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    border-radius: 12px;
    padding: 24px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
}

.checkin-card:hover {
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

.checkin-status {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
}

.checkin-icon {
    font-size: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    backdrop-filter: blur(10px);
}

.checkin-text {
    flex: 1;
}

.checkin-text h4 {
    margin: 0 0 8px 0;
    font-size: 20px;
    font-weight: 600;
    color: white;
}

.checkin-text p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
    color: white;
}

.checkin-form {
    margin-left: auto;
}

.checkin-btn {
    background-color: #38ef7d;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(56, 239, 125, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.checkin-btn:hover {
    background-color: #2ecc71;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(56, 239, 125, 0.4);
}

.checkin-btn:active {
    transform: translateY(0);
}

/* 已签到状态 */
.checked-in .checkin-icon {
    background-color: rgba(56, 239, 125, 0.3);
}

/* 未签到状态 */
.not-checked-in .checkin-icon {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 积分历史样式 */
.points-summary {
    margin-bottom: 30px;
}

.points-card {
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    color: white;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
    margin-bottom: 25px;
}

.points-card h3 {
    margin: 0 0 15px 0;
    font-size: 20px;
    font-weight: 600;
    color: white;
    border-bottom: none;
    padding-bottom: 0;
}

.current-points {
    font-size: 48px;
    font-weight: 700;
    margin: 0;
    color: #38ef7d;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.points-history-section {
    background-color: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #e1e8ed;
}

.points-history-list {
    background-color: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e9ecef;
}

.points-history-header {
    display: grid;
    grid-template-columns: 180px 100px 1fr 120px 120px;
    gap: 20px;
    background-color: #e9ecef;
    padding: 15px 20px;
    font-weight: 600;
    font-size: 14px;
    color: #495057;
    border-bottom: 1px solid #dee2e6;
}

.points-history-item {
    display: grid;
    grid-template-columns: 180px 100px 1fr 120px 120px;
    gap: 20px;
    background-color: white;
    padding: 15px 20px;
    border-bottom: 1px solid #e9ecef;
    transition: all 0.3s ease;
    align-items: center;
}

.points-history-item:hover {
    background-color: #f8f9fa;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.points-history-item:last-child {
    border-bottom: none;
}

.history-date {
    font-size: 14px;
    color: #6c757d;
}

.date-text {
    display: block;
}

.history-type {
    display: flex;
    align-items: center;
}

.type-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.type-badge.checkin {
    background-color: #d4edda;
    color: #155724;
}

.type-badge.order {
    background-color: #d1ecf1;
    color: #0c5460;
}

.type-badge.referral {
    background-color: #fff3cd;
    color: #856404;
}

.type-badge.mall {
    background-color: #f8d7da;
    color: #721c24;
}

.history-description {
    font-size: 14px;
    color: #495057;
    line-height: 1.4;
}

.description-text {
    display: block;
}

.history-points {
    text-align: right;
}

.points-change {
    display: inline-block;
    font-weight: 600;
    font-size: 16px;
}

.points-change.positive {
    color: #28a745;
}

.points-change.negative {
    color: #dc3545;
}

.history-balance {
    text-align: right;
}

.balance-text {
    display: inline-block;
    font-weight: 600;
    color: #495057;
    font-size: 14px;
}

.no-data {
    text-align: center;
    padding: 60px 20px;
    background-color: white;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
}

.no-data p {
    margin: 0 0 15px 0;
    color: #6c757d;
    font-size: 16px;
}

.no-data .btn {
    margin-top: 20px;
}

/* 仪表盘样式 */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 35px;
}

.stat-card {
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card h3 {
    color: #666;
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

.stat-value {
    font-size: 42px;
    font-weight: bold;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.stat-card.success .stat-value {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card.warning .stat-value {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 订单样式 */
.order-list {
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 30px;
}

.order-item {
    padding: 25px 30px;
    border-bottom: 1px solid rgba(240, 244, 248, 0.8);
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.8);
    position: relative;
    overflow: hidden;
}

.order-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.05), transparent);
    transition: left 0.5s ease;
}

.order-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.order-item:hover::before {
    left: 100%;
}

.order-item:last-child {
    border-bottom: none;
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.order-id {
    font-weight: 700;
    color: #2d3748;
    font-size: 18px;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.order-status {
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.order-status.pending {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
}

.order-status.completed {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    color: white;
}

.order-info {
    margin-bottom: 15px;
    color: #666;
    position: relative;
    z-index: 1;
    font-size: 15px;
    line-height: 1.6;
}

.order-info strong {
    color: #4a5568;
    font-weight: 600;
}

.order-actions {
    display: flex;
    gap: 12px;
    position: relative;
    z-index: 1;
}

/* 订单详情样式 */
.order-details {
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 35px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    margin-bottom: 30px;
}

.order-section {
    margin-bottom: 35px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(240, 244, 248, 0.8);
    position: relative;
}

.order-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    border-radius: 2px;
}

.order-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.order-section:last-child::after {
    display: none;
}

.order-section h3 {
    margin-bottom: 20px;
    color: #2c3e50;
    font-size: 20px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.order-info .info-row {
    display: flex;
    margin-bottom: 15px;
    align-items: center;
    padding: 10px 0;
    transition: all 0.3s ease;
}

.order-info .info-row:hover {
    background: rgba(102, 126, 234, 0.05);
    padding-left: 10px;
    border-radius: 8px;
}

.info-label {
    min-width: 150px;
    font-weight: 600;
    color: #555;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    color: #333;
    font-size: 15px;
    font-weight: 500;
    flex: 1;
}

/* 购买页面样式 */
.buy-container {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.server-details {
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 35px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.server-details:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.buy-form {
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 35px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: sticky;
    top: 40px;
}

.buy-form:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* 支付页面样式 */
.payment-container {
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-top: 30px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.payment-container:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.payment-summary {
    margin-bottom: 45px;
}

.payment-summary h3 {
    margin-bottom: 25px;
    color: #2c3e50;
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.order-info {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    backdrop-filter: blur(10px);
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
    font-size: 15px;
    transition: all 0.3s ease;
}

.info-row:hover {
    background: rgba(102, 126, 234, 0.03);
    padding-left: 10px;
    padding-right: 10px;
    border-radius: 8px;
}

.info-row:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.info-label {
    font-weight: 600;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 14px;
}

.info-value {
    color: #495057;
    font-weight: 500;
    font-size: 15px;
}

.total-row {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 2px solid rgba(102, 126, 234, 0.2);
    background: rgba(102, 126, 234, 0.03);
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}

.total-amount {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.payment-method {
    margin-bottom: 45px;
}

.payment-method h3 {
    margin-bottom: 25px;
    color: #2c3e50;
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.payment-options {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.payment-option {
    position: relative;
    padding: 22px 35px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 18px;
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.95) 100%);
    min-width: 220px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.payment-option:hover {
    border-color: #66a3ff;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

.payment-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.payment-option label {
    cursor: pointer;
    font-weight: 600;
    color: #495057;
    display: flex;
    align-items: center;
    gap: 18px;
    margin: 0;
    width: 100%;
    transition: all 0.3s ease;
}

.payment-option img {
    width: 55px;
    height: 55px;
    object-fit: contain;
    border-radius: 12px;
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.95) 100%);
    padding: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.payment-option input[type="radio"]:checked + label {
    color: #66a3ff;
}

.payment-option input[type="radio"]:checked + label::before {
    content: '';
    position: absolute;
    top: 12px;
    right: 12px;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    animation: pulse 0.6s ease;
}

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

.payment-option input[type="radio"]:checked + label::after {
    content: '✓';
    position: absolute;
    top: 15px;
    right: 18px;
    color: white;
    font-size: 13px;
    font-weight: bold;
    z-index: 1;
}

.payment-option:has(input[type="radio"]:checked) {
    border-color: #66a3ff;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.2);
}

.payment-action {
    text-align: center;
    margin-top: 55px;
}

.payment-action .btn {
    padding: 18px 70px;
    font-size: 1.3rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    border: none;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.payment-action .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
    z-index: 1;
}

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

.payment-action .btn:hover {
    background: linear-gradient(135deg, #3385ff 0%, #66a3ff 100%);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.6);
}

.payment-action .btn:active {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.payment-notice {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1) 0%, rgba(245, 158, 11, 0.1) 100%);
    padding: 20px;
    border-radius: 12px;
    margin-top: 25px;
    color: #654321;
    font-size: 14px;
    border: 1px solid rgba(251, 191, 36, 0.3);
    backdrop-filter: blur(10px);
}

.payment-notice strong {
    color: #92400e;
    font-weight: 700;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .payment-options {
        flex-direction: column;
        align-items: center;
    }
    
    .payment-option {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

/* 消息样式 */
.success-message,
.error-message {
    padding: 12px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-weight: 600;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 实名认证页面样式 */
.verify-form {
  background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
  border-radius: 15px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 35px;
  margin-top: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.verify-form:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.verified-info {
  background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
  border-radius: 15px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 35px;
  margin-top: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.verified-info:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.verified-info h3 {
  color: #2e7d32;
  margin-top: 0;
  border-bottom: 1px solid rgba(46, 125, 50, 0.1);
  padding-bottom: 15px;
  font-size: 22px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.info-row {
  display: flex;
  margin-bottom: 18px;
  align-items: center;
  padding: 12px 0;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

.info-row:hover {
  background: rgba(102, 126, 234, 0.03);
  padding-left: 15px;
  border-radius: 8px;
}

.info-label {
  width: 150px;
  font-weight: 600;
  color: #555;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  flex: 1;
  color: #333;
  font-size: 15px;
  font-weight: 500;
}

.form-note {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-radius: 12px;
  padding: 20px;
  margin: 25px 0;
  backdrop-filter: blur(10px);
}

.form-note p {
  margin: 0 0 12px 0;
  font-weight: 700;
  color: #66a3ff;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-note ul {
  margin: 0;
  padding-left: 25px;
}

.form-note li {
  margin-bottom: 8px;
  color: #3385ff;
  font-size: 15px;
  line-height: 1.6;
  position: relative;
  padding-left: 10px;
}

.form-note li::before {
  content: '✓';
  position: absolute;
  left: -25px;
  top: 0;
  color: #66a3ff;
  font-weight: bold;
  font-size: 18px;
}

/* 密码字段样式 */
.password-field {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.password-field input {
    padding: 12px 16px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 10px;
    font-size: 15px;
    min-width: 250px;
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.95) 100%);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.password-field input:focus {
    outline: none;
    border-color: #66a3ff;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
}

.password-field button {
    padding: 12px 20px;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.password-field button:hover {
    background: linear-gradient(135deg, #3385ff 0%, #66a3ff 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.password-field button:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

/* 服务器信息通知样式 */
.server-notice {
    margin-top: 25px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1) 0%, rgba(245, 158, 11, 0.1) 100%);
    border-left: 5px solid #ff9800;
    border-radius: 12px;
    font-size: 15px;
    color: #e65100;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(251, 191, 36, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.server-notice:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transform: translateX(5px);
}

.server-notice strong {
    color: #92400e;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 14px;
    display: block;
    margin-bottom: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .admin-container,
    .user-container,
    .user-main {
        flex-direction: column;
    }
    
    .admin-sidebar,
    .user-sidebar {
        width: 100%;
    }
    
    .servers-grid {
        grid-template-columns: 1fr;
    }
    
    .buy-container,
    .payment-container {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-group.half {
        width: 100%;
    }
    
    .password-field {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .password-field input {
        min-width: 100%;
    }
}

/* 发货状态样式 */
.delivery-status {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
}

.delivery-status.delivered {
    background-color: #007bff;
    color: white;
}

.delivery-status.pending {
    background-color: #ffc107;
    color: #212529;
}

.delivery-status.not-applicable {
    background-color: #6c757d;
}

/* 公告系统样式 */
.announcement-section {
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.announcement-section:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.announcement-section h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.announcement-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.announcement-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.announcement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.announcement-card:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.announcement-card:hover::before {
    left: 100%;
}

.announcement-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.announcement-title {
    font-weight: 700;
    color: #2d3748;
    font-size: 16px;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.announcement-date {
    font-size: 13px;
    color: #718096;
    font-weight: 500;
    background: linear-gradient(135deg, #a0aec0 0%, #718096 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.announcement-content {
    color: #4a5568;
    font-size: 14px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.no-announcements {
    text-align: center;
    color: #666;
    padding: 30px 20px;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.9) 0%, rgba(241, 245, 249, 0.9) 100%);
    border-radius: 10px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    font-size: 15px;
    font-weight: 500;
}

/* 公告表单样式 */
.announcement-form {
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 35px;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.announcement-form:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.announcement-form h3 {
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.announcement-form .form-group {
    margin-bottom: 25px;
}

.announcement-form label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #555;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.announcement-form input[type="text"],
.announcement-form textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.95) 100%);
    backdrop-filter: blur(10px);
}

.announcement-form input[type="text"]:focus,
.announcement-form textarea:focus {
    outline: none;
    border-color: #66a3ff;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.announcement-form textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

.announcement-form .btn {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.announcement-form .btn:hover {
    background: linear-gradient(135deg, #3385ff 0%, #66a3ff 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.announcement-form .btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
}

/* 公告管理列表样式 */
.announcement-management {
    background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.98) 100%);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.announcement-management h3 {
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.announcement-management-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.announcement-management-table th,
.announcement-management-table td {
    padding: 18px 25px;
    text-align: left;
    border-bottom: 1px solid rgba(240, 244, 248, 0.8);
}

.announcement-management-table th {
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
    position: relative;
    overflow: hidden;
}

.announcement-management-table th::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.announcement-management:hover .announcement-management-table th::after {
    left: 100%;
}

.announcement-management-table tr {
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.8);
}

.announcement-management-table tr:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 10;
    position: relative;
}

.announcement-management-table tr:last-child td {
    border-bottom: none;
}

.announcement-title-cell {
    font-weight: 600;
    color: #2d3748;
    background: linear-gradient(135deg, #66a3ff 0%, #3385ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.announcement-content-cell {
    color: #4a5568;
    line-height: 1.5;
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.announcement-date-cell {
    color: #718096;
    font-weight: 500;
    font-size: 14px;
}

.announcement-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.announcement-actions .action-btn {
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

.announcement-actions .action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
    z-index: 1;
}

.announcement-actions .action-btn:hover::before {
    left: 100%;
}

.announcement-actions .action-btn span {
    position: relative;
    z-index: 2;
}

.announcement-actions .action-btn.edit {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

.announcement-actions .action-btn.edit:hover {
    background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.announcement-actions .action-btn.delete {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

.announcement-actions .action-btn.delete:hover {
    background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4);
}
    color: white;
}