/* 全局CSS变量 */
:root {
    --primary-color: #f7931e; /* Naruto Orange */
    --secondary-color: #343a40; /* Dark Grey */
    --dark-bg: #212529; /* Very Dark Grey */
    --light-text: #f8f9fa; /* Light Grey */
    --card-bg: #343a40; /* Slightly lighter card background */
    --card-border: #4f5b62; /* Card border color */
    --section-padding: 60px 0;
}

/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: var(--dark-bg);
    color: var(--light-text);
}

/* 容器响应式调整 */
.container {
    max-width: 1200px; /* Adjust max-width for larger screens */
}

/* 导航栏样式 */
.navbar {
    background-color: var(--secondary-color);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-size: 1.8rem;
    font-weight: bold;
    display: flex;
    align-items: center;
}

.navbar-brand img {
     height: 60px; /* Adjust logo height */
     margin-right: 10px;
}

.navbar-nav .nav-link {
    color: var(--light-text) !important;
    margin-left: 15px;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    text-decoration: underline;
}

/* 页面Banner样式 */
.page-banner {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../img/picture_09.png') no-repeat center center;
    background-size: cover;
    padding: 80px 0; /* Adjust padding */
    text-align: center;
    color: white;
    height: 640px;
    margin-top: 0; /* Adjust if navbar is fixed */
}

.page-banner h1 {
     font-size: 3rem;
     text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
	 margin-top: 30%;
}
.page-banner p.lead {
     font-size: 1.3rem;
}

/* 通用区块样式 */
.section {
    padding: var(--section-padding);
    background-color: var(--dark-bg); /* Ensure consistent background */
}

.section-title {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    position: relative;
}
.section-title::after {
     content: '';
     display: block;
     width: 80px;
     height: 4px;
     background-color: var(--primary-color);
     margin: 15px auto 0;
}

/* 剧情章节区块样式 */
.story-arc {
    margin-bottom: 80px; /* Space between arcs */
    padding: 30px;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
}

.story-arc h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 2rem;
}

.story-arc img {
    width: 100%;
    height: 300px; /* Fixed height for arc images */
    object-fit: cover; /* Crop and cover */
    object-position: center;
    border-radius: 5px;
    margin-bottom: 20px; /* Space below image on small screens */
}

.story-content {
     font-size: 1.1rem;
     line-height: 1.8;
}

/* 固定导航栏的顶部内边距调整 */
body > .container {
     padding-top: 80px; /* Enough space for fixed navbar */
}

/* AOS动画调整 */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
}

[data-aos].aos-animate {
    opacity: 1;
    margin-top: 10%;
}

/* 响应式：桌面端剧情章节布局 */
@media (min-width: 768px) {
     .story-arc img {
         height: 350px; /* Taller images on larger screens */
         margin-bottom: 0; /* Remove bottom margin when using columns */
     }
     .story-arc .row > div {
         display: flex; /* Use flexbox for column content alignment */
         align-items: center; /* Vertically center content */
     }
}

/* 页脚样式 */
footer {
    background-color: var(--secondary-color);
    color: var(--light-text);
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
}
footer a {
     color: var(--primary-color);
     text-decoration: none;
}
footer a:hover {
      text-decoration: underline;
}