/* 文旅产业主题样式 */

:root {
    /* 文旅色彩系统 - 融合自然与文化 */
    --mountain-green: #2d5016;
    --bamboo-green: #4a7c59;
    --water-blue: #4a90a4;
    --cloud-white: #f4f7f5;
    --sunset-orange: #e67e22;
    --temple-red: #c0392b;
    --ink-black: #2c3e50;
    --sand-beige: #f5e6d3;
    --tea-green: #95a99c;
    --jade-green: #00a86b;
    
    /* 主色调 */
    --primary-color: var(--mountain-green);
    --secondary-color: var(--water-blue);
    --accent-color: var(--sunset-orange);
    --text-primary: var(--ink-black);
    --text-secondary: #5a6c7d;
    --bg-light: var(--cloud-white);
    --bg-sand: var(--sand-beige);
}

/* 中国山水画风格背景 */
.mountain-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(180deg, 
        #e8f4f8 0%, 
        #d4e8e6 30%, 
        #b8d4ce 60%, 
        #95b8a6 100%);
    overflow: hidden;
}

/* 动态山峦层次 */
.mountain-layer {
    position: absolute;
    bottom: 0;
    width: 120%;
    height: 60%;
    background-repeat: repeat-x;
    animation: floatMountains 30s ease-in-out infinite;
}

.mountain-layer.back {
    background: linear-gradient(to top, #7fa08c 0%, transparent 70%);
    clip-path: polygon(
        0% 100%, 
        10% 55%, 25% 70%, 40% 50%, 55% 65%, 
        70% 45%, 85% 60%, 100% 50%, 
        100% 100%
    );
    opacity: 0.3;
    animation-duration: 45s;
}

.mountain-layer.mid {
    background: linear-gradient(to top, #5a8068 0%, transparent 80%);
    clip-path: polygon(
        0% 100%, 
        15% 65%, 30% 55%, 45% 70%, 60% 50%, 
        75% 60%, 90% 45%, 100% 55%, 
        100% 100%
    );
    opacity: 0.5;
    animation-duration: 35s;
    animation-delay: -5s;
}

.mountain-layer.front {
    background: linear-gradient(to top, var(--mountain-green) 0%, transparent 90%);
    clip-path: polygon(
        0% 100%, 
        20% 70%, 35% 60%, 50% 75%, 65% 55%, 
        80% 65%, 95% 50%, 100% 60%, 
        100% 100%
    );
    opacity: 0.7;
    animation-duration: 25s;
    animation-delay: -10s;
}

@keyframes floatMountains {
    0%, 100% { transform: translateX(0) translateY(0); }
    33% { transform: translateX(-5%) translateY(-10px); }
    66% { transform: translateX(5%) translateY(-5px); }
}

/* 云雾效果 */
.cloud-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.cloud {
    position: absolute;
    background: radial-gradient(ellipse at center, 
        rgba(255, 255, 255, 0.4) 0%, 
        rgba(255, 255, 255, 0.1) 40%, 
        transparent 70%);
    border-radius: 50%;
    opacity: 0;
    animation: floatCloud 20s infinite;
}

.cloud:nth-child(1) {
    width: 300px;
    height: 100px;
    top: 20%;
    animation-delay: 0s;
}

.cloud:nth-child(2) {
    width: 400px;
    height: 120px;
    top: 40%;
    animation-delay: 5s;
}

.cloud:nth-child(3) {
    width: 350px;
    height: 110px;
    top: 60%;
    animation-delay: 10s;
}

@keyframes floatCloud {
    0% {
        transform: translateX(-100px);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateX(calc(100vw + 100px));
        opacity: 0;
    }
}

/* 竹叶飘落效果 */
.bamboo-leaves {
    position: fixed;
    top: -10px;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.leaf {
    position: absolute;
    width: 20px;
    height: 40px;
    background: linear-gradient(135deg, #4a7c59 0%, #2d5016 100%);
    clip-path: ellipse(40% 50% at 50% 50%);
    animation: fallLeaf 15s linear infinite;
    opacity: 0.7;
}

.leaf:nth-child(odd) {
    animation-duration: 18s;
    width: 15px;
    height: 30px;
}

.leaf:nth-child(even) {
    animation-duration: 12s;
    animation-delay: -5s;
}

@keyframes fallLeaf {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    100% {
        transform: translateY(calc(100vh + 100px)) rotate(360deg);
        opacity: 0;
    }
}

/* 卷轴式展开效果 */
.scroll-reveal {
    position: relative;
    overflow: hidden;
}

.scroll-reveal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--sand-beige) 10%, 
        var(--sand-beige) 90%, 
        transparent 100%);
    transform: translateY(-100%);
    transition: transform 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.scroll-reveal.active::before {
    transform: translateY(100%);
}

.scroll-content {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.5s;
}

.scroll-reveal.active .scroll-content {
    opacity: 1;
    transform: translateY(0);
}

/* 传统纹样边框 */
.pattern-border {
    position: relative;
    padding: 30px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
}

.pattern-border::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: repeating-linear-gradient(
        45deg,
        var(--temple-red),
        var(--temple-red) 2px,
        transparent 2px,
        transparent 8px
    );
    z-index: -1;
    border-radius: 12px;
    opacity: 0.3;
}

/* 地图探索式导航 */
.map-navigation {
    position: relative;
    width: 100%;
    height: 500px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 500"><path d="M0,250 Q300,150 600,250 T1200,250" stroke="%234a90a4" stroke-width="2" fill="none" opacity="0.3"/></svg>') center/cover;
    overflow: hidden;
}

.map-point {
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--temple-red);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    cursor: pointer;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.map-point:hover {
    transform: rotate(-45deg) scale(1.2);
    background: var(--sunset-orange);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(192, 57, 43, 0.7); }
    50% { box-shadow: 0 0 0 20px rgba(192, 57, 43, 0); }
}

.map-point-label {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    white-space: nowrap;
    background: var(--ink-black);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.map-point:hover .map-point-label {
    opacity: 1;
}

/* 水墨晕染过渡效果 */
.ink-transition {
    position: relative;
    overflow: hidden;
}

.ink-transition::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--ink-black) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 1s ease, height 1s ease;
    opacity: 0.1;
    pointer-events: none;
}

.ink-transition:hover::after {
    width: 200%;
    height: 200%;
}

/* 文旅项目卡片 */
.travel-project-card {
    position: relative;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
    cursor: pointer;
}

.travel-project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, 
        var(--temple-red) 0%, 
        var(--sunset-orange) 50%, 
        var(--jade-green) 100%);
}

.travel-project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-image-container {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.travel-project-card:hover .project-image {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.travel-project-card:hover .project-overlay {
    opacity: 1;
}

.project-category {
    color: white;
    font-size: 14px;
    background: var(--temple-red);
    padding: 5px 15px;
    border-radius: 20px;
    display: inline-block;
}

/* 导航菜单古典风格 */
.nav-menu {
    background: linear-gradient(135deg, 
        rgba(45, 80, 22, 0.95) 0%, 
        rgba(74, 144, 164, 0.95) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 3px solid var(--temple-red);
}

.nav-link {
    color: var(--cloud-white) !important;
    position: relative;
    padding: 10px 20px !important;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--sunset-orange);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* 按钮样式 */
.btn-travel {
    background: linear-gradient(135deg, var(--temple-red) 0%, var(--sunset-orange) 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-travel::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-travel:hover::before {
    width: 300px;
    height: 300px;
}

.btn-travel:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(192, 57, 43, 0.3);
}

/* 时间轴样式 - 旅程风格 */
.journey-timeline {
    position: relative;
    padding: 50px 0;
}

.journey-path {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, 
        var(--temple-red) 0%, 
        var(--sunset-orange) 50%, 
        var(--jade-green) 100%);
    transform: translateX(-50%);
}

.journey-stop {
    position: relative;
    margin: 50px 0;
    display: flex;
    align-items: center;
}

.journey-stop:nth-child(even) {
    flex-direction: row-reverse;
}

.stop-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: white;
    border: 3px solid var(--temple-red);
    border-radius: 50%;
    z-index: 1;
}

.stop-content {
    width: 45%;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
}

.journey-stop:nth-child(odd) .stop-content {
    margin-right: auto;
}

.journey-stop:nth-child(even) .stop-content {
    margin-left: auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .journey-path {
        left: 30px;
    }
    
    .stop-marker {
        left: 30px;
    }
    
    .journey-stop,
    .journey-stop:nth-child(even) {
        flex-direction: row;
    }
    
    .stop-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
        margin-right: 0 !important;
    }
    
    .map-navigation {
        height: 300px;
    }
}

/* 加载动画优化 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 标题装饰 */
.title-decoration {
    position: relative;
    display: inline-block;
    padding: 0 20px;
}

.title-decoration::before,
.title-decoration::after {
    content: '❦';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--temple-red);
    font-size: 24px;
}

.title-decoration::before {
    left: -10px;
}

.title-decoration::after {
    right: -10px;
}