:root {
    --primary: #0a1f44;
    --secondary: #d4af37;
    --gold-light: #f9e076;
    --gold-dark: #b8860b;
    --accent: #c10f2b;
    --light: #ffffff;
    --dark: #2d3748;
    --darker: #1a202c;
    --gray: #718096;
    --card-bg: rgba(255, 255, 255, 0.95);
    --transition: all 0.3s ease;
    --elegant-font: 'Playfair Display', serif;
    --sans-font: 'Montserrat', sans-serif;
    --bg-pattern: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--sans-font);
    background: var(--bg-pattern);
    background-image:
            radial-gradient(circle at 10% 20%, rgba(212, 175, 55, 0.05) 0%, transparent 20%),
            radial-gradient(circle at 90% 80%, rgba(193, 15, 43, 0.05) 0%, transparent 20%),
            linear-gradient(to bottom, #ffffff, #f8f9fa);
    background-attachment: fixed;
    color: var(--darker);
    line-height: 1.7;
    min-height: 100vh;
    padding: 20px;
    position: relative;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23e0e0e0' fill-opacity='0.15' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.3;
    z-index: -1;
}

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

/* 头部样式 */
header {
    text-align: center;
    padding: 60px 0 40px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.header-content {
    position: relative;
    z-index: 2;
}

.logo {
    width: 140px;
    height: 140px;
    margin: 0 auto 20px;
    background: linear-gradient(145deg, var(--secondary) 0%, var(--gold-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 6px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.logo:hover {
    transform: rotate(5deg);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.3);
}

h1 {
    font-family: var(--elegant-font);
    font-size: 3.2rem;
    margin-bottom: 15px;
    color: var(--darker);
    text-shadow: 0 2px 15px rgba(212, 175, 55, 0.2);
    background: linear-gradient(to right, var(--secondary), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.tagline {
    font-size: 1.5rem;
    max-width: 700px;
    margin: 0 auto 25px;
    color: var(--dark);
    font-weight: 500;
    opacity: 0.9;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.stat-item {
    background: var(--light);
    padding: 25px 35px;
    border-radius: 16px;
    text-align: center;
    min-width: 200px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.stat-item::before {
    content: "";
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--secondary), var(--gold-dark), var(--secondary));
    z-index: -1;
    border-radius: 18px;
    opacity: 0.3;
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.stat-value {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--gray);
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* 内容卡片样式 */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 35px;
    margin-bottom: 50px;
}

.card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.15);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary), var(--gold-dark));
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: rgba(212, 175, 55, 0.4);
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(145deg, var(--accent) 0%, #e83a52 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    box-shadow: 0 5px 15px rgba(193, 15, 43, 0.2);
}

.card-icon i {
    font-size: 28px;
    color: white;
}

.card-title {
    font-size: 1.8rem;
    color: var(--darker);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.card-content {
    flex: 1;
}

.card-content p {
    margin-bottom: 20px;
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--dark);
}

.card-content img {
    width: 100%;
    border-radius: 15px;
    margin: 20px 0;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.card-content img:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.highlight {
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.08) 0%, transparent 100%);
    padding: 20px;
    border-left: 3px solid var(--secondary);
    border-radius: 0 12px 12px 0;
    margin: 25px 0;
    font-style: italic;
    position: relative;
    color: var(--darker);
}

.highlight::before {
    content: """;
    position: absolute;
    top: -15px;
    left: 10px;
    font-size: 4rem;
    color: rgba(212, 175, 55, 0.15);
    font-family: var(--elegant-font);
}

/* 视频部分 */
.video-section {
    margin: 60px 0;
    text-align: center;
}

.video-container {
    max-width: 850px;
    margin: 0 auto;
    background: var(--light);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.2);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.video-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary), var(--gold-dark));
}

.video-title {
    font-size: 2.3rem;
    margin-bottom: 35px;
    color: var(--darker);
    font-family: var(--elegant-font);
    letter-spacing: 0.5px;
}

video {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* 联系方式 */
.contact-section {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
    border-radius: 25px;
    padding: 50px;
    margin: 60px 0;
    text-align: center;
    border: 1px solid rgba(212, 175, 55, 0.2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.contact-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary), var(--gold-dark));
}

.contact-title {
    font-size: 2.8rem;
    color: var(--darker);
    margin-bottom: 40px;
    font-family: var(--elegant-font);
    letter-spacing: 1px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 30px;
}

.contact-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 18px;
    transition: var(--transition);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.15);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.contact-card:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 25px;
}

.contact-method {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--darker);
    font-weight: 700;
}

.contact-detail {
    font-size: 1.3rem;
    color: var(--dark);
}

.contact-detail a {
    color: var(--secondary);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 600;
    position: relative;
}

.contact-detail a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: var(--transition);
}

.contact-detail a:hover {
    color: var(--gold-dark);
}

.contact-detail a:hover::after {
    width: 100%;
}

.qr-codes {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.qr-code {
    text-align: center;
    transition: var(--transition);
}

.qr-code:hover {
    transform: translateY(-10px);
}

.qr-code img {
    width: 180px;
    height: 180px;
    border-radius: 15px;
    background: white;
    padding: 12px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 2px solid var(--gold-light);
}

.qr-label {
    font-size: 1.3rem;
    color: var(--darker);
    font-weight: 600;
}

/* 语言选择器 */
.language-selector {
    position: fixed;
    top: 25px;
    right: 25px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50px;
    padding: 12px 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.language-selector i {
    color: var(--secondary);
    font-size: 1.4rem;
}

.language-selector select {
    background: transparent;
    border: none;
    color: var(--darker);
    font-size: 1.1rem;
    padding: 5px;
    cursor: pointer;
    outline: none;
    font-weight: 500;
}

.language-selector select option {
    background: var(--light);
    color: var(--dark);
}

/* 按钮 */
.btn {
    display: inline-block;
    background: linear-gradient(90deg, var(--secondary) 0%, var(--gold-light) 100%);
    color: var(--darker);
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 30px 0 20px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    z-index: 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: 0.5s;
    z-index: -1;
}

.btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.4);
}

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

/* 警告信息 */
.warning {
    background: rgba(193, 15, 43, 0.08);
    border-left: 4px solid var(--accent);
    padding: 25px;
    border-radius: 0 12px 12px 0;
    margin: 40px 0;
    font-size: 1.2rem;
    position: relative;
    overflow: hidden;
    color: var(--darker);
}

.warning::before {
    content: "!";
    position: absolute;
    top: -15px;
    left: 10px;
    font-size: 6rem;
    color: rgba(193, 15, 43, 0.1);
    font-weight: bold;
    font-family: var(--elegant-font);
}

/* 页脚 */
footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 50px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    font-size: 1.1rem;
    color: var(--gray);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.8);
}

/* 响应式设计 */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }

    .stat-item {
        min-width: 180px;
        padding: 20px 25px;
    }

    .contact-section {
        padding: 40px 30px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.4rem;
    }

    .tagline {
        font-size: 1.3rem;
    }

    .stats {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .stat-item {
        width: 100%;
        max-width: 320px;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .card {
        padding: 30px;
    }

    .video-container {
        padding: 25px;
    }

    .contact-section {
        padding: 35px 20px;
    }

    .qr-codes {
        gap: 30px;
    }

    .qr-code img {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 40px 0 30px;
    }

    h1 {
        font-size: 2.0rem;
    }

    .logo {
        width: 110px;
        height: 110px;
    }

    .card-title {
        font-size: 1.5rem;
    }

    .contact-title {
        font-size: 2.2rem;
    }

    .language-selector {
        top: 15px;
        right: 15px;
        padding: 10px 15px;
    }

    .btn {
        padding: 16px 35px;
        font-size: 1.1rem;
    }
}
/* 新增视频播放器样式 */
.video-player-container {
    position: relative;
    width: 100%;
    max-width: 850px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.video-player {
    width: 100%;
    height: auto;
    background: #000;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(10, 31, 68, 0.6), rgba(193, 15, 43, 0.5));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.play-button {
    width: 80px;
    height: 80px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.5);
    transition: transform 0.3s, box-shadow 0.3s;
}

.play-button:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.7);
}

.play-button i {
    font-size: 36px;
    color: var(--primary);
    margin-left: 5px;
}

.video-title-overlay {
    color: white;
    font-size: 2rem;
    margin-top: 25px;
    text-align: center;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    font-weight: 600;
}

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    padding: 15px;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.video-player-container:hover .video-controls {
    opacity: 1;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    margin: 0 15px;
    position: relative;
    cursor: pointer;
}

.progress-filled {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--secondary);
    border-radius: 4px;
}

.control-button {
    background: transparent;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 5px 10px;
    transition: color 0.3s;
}

.control-button:hover {
    color: var(--gold-light);
}

.time-display {
    color: white;
    font-size: 14px;
    margin: 0 10px;
}

.volume-control {
    display: flex;
    align-items: center;
    margin: 0 15px;
}

.volume-slider {
    width: 80px;
    -webkit-appearance: none;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--secondary);
    cursor: pointer;
}

.fullscreen-btn {
    margin-left: 10px;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .play-button {
        width: 60px;
        height: 60px;
    }

    .play-button i {
        font-size: 28px;
    }

    .video-title-overlay {
        font-size: 1.5rem;
    }

    .video-controls {
        padding: 10px;
    }

    .control-button {
        font-size: 16px;
    }

    .time-display {
        font-size: 12px;
    }

    .volume-slider {
        width: 60px;
    }
}