/* 风雨飘摇主题 - 灰蓝风暴风格 */
:root {
    --storm-color: #4a6b8a;
    --wave-color: #5d8aa8;
    --cloud-color: #d3dde6;
    --dark-storm: #2c3e50;
    --light-text: #f0f4f8;
    --accent-color: #8ab3cf;
    --text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', sans-serif;
}

body {
    background-color: var(--cloud-color);
    color: var(--dark-storm);
    line-height: 1.7;
    background-image: 
        linear-gradient(175deg, transparent 65%, var(--wave-color) 66%),
        repeating-linear-gradient(
            45deg,
            var(--cloud-color),
            var(--cloud-color) 10px,
            #c8d4e0 10px,
            #c8d4e0 20px
        );
    min-height: 100vh;
}

/* 动态倾斜效果 */
.container {
    transform: rotate(0.5deg);
    transition: transform 0.5s ease;
}

.container:hover {
    transform: rotate(-0.5deg);
}

a {
    text-decoration: none;
    color: var(--dark-storm);
    transition: all 0.3s ease;
    text-shadow: var(--text-shadow);
}

a:hover {
    color: var(--wave-color);
}

/* 风雨飘摇的头部设计 */
header {
    background-color: rgba(74, 107, 138, 0.9);
    padding: 20px 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border-bottom: 3px solid var(--wave-color);
}

header::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255,255,255,0.2) 50%,
        transparent
    );
    animation: wind 8s linear infinite;
}

@keyframes wind {
    0% { left: -100%; }
    100% { left: 100%; }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: var(--light-text);
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}

.logo::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--light-text);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.logo:hover::after {
    transform: scaleX(1);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

nav ul li a {
    color: var(--light-text);
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    position: relative;
}

nav ul li a::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--light-text);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

nav ul li a:hover::before {
    transform: scaleX(1);
}

/* 雨滴效果 */
.main-content {
    background-color: rgba(255,255,255,0.8);
    border-radius: 10px;
    padding: 30px;
    margin: 30px 0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.main-content::before {
    content: "";
    position: absolute;
    top: -10px;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--wave-color),
        transparent
    );
    animation: rain 3s linear infinite;
}

@keyframes rain {
    0% { transform: translateY(-10px); opacity: 0; }
    10% { opacity: 1; }
    100% { transform: translateY(100px); opacity: 0; }
}

.section-title {
    font-size: 26px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    color: var(--storm-color);
    border-bottom: 2px dashed var(--wave-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.section-title::after {
    content: "///";
    position: absolute;
    right: 0;
    bottom: -15px;
    color: var(--wave-color);
    font-size: 18px;
}

/* 飘摇的卡片设计 */
.storm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    perspective: 1000px;
}

.storm-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.1);
    transition: all 0.5s ease;
    transform-style: preserve-3d;
    position: relative;
    border: 1px solid var(--wave-color);
}

.storm-card:hover {
    transform: rotateY(5deg) rotateX(2deg) translateY(-5px);
    box-shadow: 10px 10px 30px rgba(0,0,0,0.2);
}

.storm-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--wave-color);
}

.card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    filter: sepia(30%) contrast(110%);
    border-bottom: 1px solid var(--wave-color);
}

.card-body {
    padding: 20px;
    position: relative;
}

.card-body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        transparent,
        rgba(138, 179, 207, 0.1),
        transparent
    );
    pointer-events: none;
}

.card-title {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--dark-storm);
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--storm-color);
    margin-top: 15px;
    font-style: italic;
}

/* 分类标签 - 波浪效果 */
.category-tag {
    display: inline-block;
    padding: 3px 12px;
    background-color: var(--wave-color);
    color: white;
    border-radius: 15px;
    font-size: 12px;
    margin-bottom: 10px;
    position: relative;
    overflow: hidden;
}

.category-tag::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -60%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right,
        transparent,
        rgba(255,255,255,0.4),
        transparent
    );
    transform: rotate(30deg);
    animation: wave 3s linear infinite;
}

@keyframes wave {
    0% { left: -60%; }
    100% { left: 100%; }
}

/* 文章详情页 - 风暴中心设计 */
.storm-detail {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.storm-detail::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 100%;
    background: radial-gradient(
        circle,
        transparent,
        rgba(138, 179, 207, 0.1)
    );
    z-index: -1;
}

.article-header {
    margin-bottom: 40px;
    text-align: center;
    position: relative;
}

.article-title {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--dark-storm);
    text-shadow: var(--text-shadow);
    position: relative;
    display: inline-block;
}

.article-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--wave-color),
        transparent
    );
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 25px;
    color: var(--storm-color);
    margin-bottom: 25px;
    flex-wrap: wrap;
    font-style: italic;
}

.article-image {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    border: 2px solid white;
    filter: contrast(110%) brightness(95%);
}

.article-content {
    line-height: 1.9;
    font-size: 17px;
    position: relative;
}

.article-content p {
    margin-bottom: 20px;
    position: relative;
    padding-left: 15px;
}

.article-content p::before {
    content: "❖";
    position: absolute;
    left: -5px;
    color: var(--wave-color);
}

/* 分页导航 - 船锚风格 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 40px;
}

.pagination a {
    padding: 10px 25px;
    border-radius: 30px;
    background-color: var(--wave-color);
    color: white;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pagination a::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: all 0.5s ease;
}

.pagination a:hover::before {
    left: 100%;
}

.pagination a:hover {
    background-color: var(--storm-color);
    transform: translateY(-3px);
}

/* 友情链接 - 浮标风格 */
.friend-links {
    background-color: rgba(255,255,255,0.8);
    border-radius: 10px;
    padding: 25px;
    margin: 30px 0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border: 1px solid var(--wave-color);
}

.friend-links h3 {
    margin-bottom: 20px;
    color: var(--dark-storm);
    font-size: 20px;
    text-align: center;
    position: relative;
}

.friend-links h3::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: var(--wave-color);
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.friend-links-container a {
    padding: 8px 20px;
    background-color: var(--wave-color);
    color: white;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid var(--storm-color);
}

.friend-links-container a:hover {
    background-color: var(--storm-color);
    transform: translateY(-3px);
}

/* 页脚 - 深海风格 */
footer {
    background-color: var(--dark-storm);
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(
        90deg,
        var(--wave-color),
        var(--cloud-color),
        var(--wave-color)
    );
}

.copyright {
    font-size: 14px;
    color: var(--cloud-color);
    letter-spacing: 1px;
}

/* 响应式设计 - 适应风暴 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .storm-grid {
        grid-template-columns: 1fr;
    }
    
    .article-title {
        font-size: 26px;
    }
    
    .article-meta {
        gap: 15px;
    }
    
    body {
        background-image: 
            linear-gradient(175deg, transparent 75%, var(--wave-color) 76%),
            repeating-linear-gradient(
                45deg,
                var(--cloud-color),
                var(--cloud-color) 5px,
                #c8d4e0 5px,
                #c8d4e0 10px
            );
    }
}