/* 全局重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: #fff9f0;
    color: #5c4b3e;
    padding: 16px;
}

/* 头部样式 */
header {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, #ffb766, #ff9a44);
    color: #fff;
    border-radius: 20px;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(255, 154, 68, 0.3);
}

header h1 {
    font-size: 28px;
    margin-bottom: 8px;
    font-weight: 600;
}

header p {
    font-size: 16px;
    opacity: 0.95;
}

/* 容器与卡片 */
.container {
    max-width: 850px;
    margin: 0 auto;
}

.card {
    background: #ffffff;
    padding: 24px;
    border-radius: 18px;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(255, 183, 102, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(255, 183, 102, 0.35);
}

/* 文字样式 */
h2 {
    color: #e67e22;
    margin-bottom: 14px;
    font-size: 22px;
    font-weight: 600;
}

h3 {
    color: #994c2e;
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 10px;
}

p, li {
    line-height: 1.7;
    margin-bottom: 10px;
    font-size: 15px;
    color: #6d5b4f;
}

ul {
    padding-left: 20px;
}

/* 组件样式 */
.code {
    background: linear-gradient(135deg, #fff1e0, #ffd9b3);
    color: #d35400;
    padding: 10px 16px;
    border-radius: 12px;
    font-weight: 600;
    display: inline-block;
    margin: 6px 4px;
    cursor: pointer;
}

.code.expired {
    background: linear-gradient(135deg, #f8e8e0, #f5d0c0);
    color: #994c2e;
    opacity: 0.8;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, #ff9a44, #f37c20);
    color: white;
    padding: 12px 20px;
    border-radius: 14px;
    text-decoration: none;
    margin-top: 12px;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(255, 154, 68, 0.35);
}

.btn:hover {
    opacity: 0.92;
}

/* 导航样式 */
.nav-main {
    text-align: center;
    margin-bottom: 20px;
    padding: 10px 0;
    border-bottom: 1px solid #ffd9b3;
}

.nav-main a {
    margin: 0 10px;
    color: #e67e22;
    text-decoration: none;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 8px;
    transition: background 0.2s;
}

.nav-main a:hover {
    background: #fff1e0;
}

.nav-main a.active {
    background: #ff9a44;
    color: white;
}

/* 角色卡片样式 */
.character-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: white;
    border-radius: 16px;
    margin-bottom: 16px;
    box-shadow: 0 3px 8px rgba(255, 183, 102, 0.2);
}

.character-card .avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffd9b3, #ffb766);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
}

.character-card .info {
    flex: 1;
}

.character-card .info .name {
    font-size: 20px;
    font-weight: 600;
    color: #e67e22;
    margin-bottom: 4px;
}

.character-card .info .tier {
    display: inline-block;
    padding: 2px 8px;
    background: #ff9a44;
    color: white;
    border-radius: 6px;
    font-size: 12px;
    margin-left: 8px;
}

/* 响应式适配 */
@media (max-width: 600px) {
    header h1 {
        font-size: 24px;
    }
    .card {
        padding: 18px;
    }
    h2 {
        font-size: 20px;
    }
    .code {
        display: block;
        margin: 8px 0;
        text-align: center;
    }
    .btn {
        display: block;
        text-align: center;
    }
    .character-card {
        flex-direction: column;
        text-align: center;
    }
    .character-card .avatar {
        margin: 0 auto;
    }
}