/* 全局优化 - 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #f8f9fa;
}

/* 英雄区 */
.support-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 英雄区装饰效果 */
.support-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.support-hero::after {
    content: '';
    position: absolute;
    top: 30%;
    right: 15%;
    width: 220px;
    height: 220px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    filter: blur(70px);
    animation: float 18s ease-in-out infinite reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-30px) rotate(180deg);
    }
}

.support-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    animation: fadeInUp 0.8s ease-out forwards;
}

.support-hero h1 {
    font-size: 60px;
    font-weight: 800;
    margin-bottom: 30px;
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
    letter-spacing: -0.8px;
}

.support-hero p {
    font-size: 22px;
    line-height: 1.8;
    opacity: 0.95;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    max-width: 700px;
    margin: 0 auto;
}

/* 核心内容区 */
.support-core {
    padding: 120px 0;
    background: white;
}

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

/* 内容模块通用样式 */
.support-module {
    margin-bottom: 120px;
    position: relative;
}

.support-module:last-child {
    margin-bottom: 0;
}

.module-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease-out forwards;
}

.module-title {
    font-size: 42px;
    font-weight: 700;
    color: #222;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.module-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #165DFF 0%, #0E46D9 100%);
    border-radius: 2px;
}

.module-desc {
    font-size: 18px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 赞助图片展示 */
.sponsor-banner {
    animation: fadeInUp 0.7s ease-out forwards;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    margin-bottom: 80px;
}

.sponsor-banner img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.8s ease;
}

.sponsor-banner:hover img {
    transform: scale(1.02);
}

/* 赞助人列表 */
.sponsor-list {
    animation: fadeInUp 0.7s ease-out forwards;
}

/* 赞助等级区分 */
.sponsor-level {
    margin-bottom: 80px;
}

.level-header {
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    color: white;
    padding: 20px 30px;
    border-radius: 16px 16px 0 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.level-header i {
    font-size: 28px;
}

.level-header h3 {
    font-size: 24px;
    font-weight: 600;
}

.level-desc {
    background: #fef7f2;
    padding: 15px 30px;
    color: #666;
    border-radius: 0 0 16px 16px;
    border: 1px solid #ffe8d9;
    border-top: none;
}

/* 赞助人卡片容器 */
.sponsor-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.sponsor-card {
    background: white;
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #ffe8d9;
    transition: all 0.4s ease;
}

.sponsor-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border-color: #165DFF;
}

.sponsor-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 4px solid #fef7f2;
}

.sponsor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sponsor-name {
    font-size: 20px;
    font-weight: 600;
    color: #222;
    margin-bottom: 8px;
}

.sponsor-desc {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.sponsor-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.sponsor-tag {
    background: #fef7f2;
    color: #165DFF;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* 赞助方式模块 */
.support-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    animation: fadeInUp 0.7s ease-out forwards;
}

.method-card {
    background: linear-gradient(135deg, #fef7f2 0%, #fff5ed 100%);
    border-radius: 20px;
    padding: 50px 30px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #ffe8d9;
    position: relative;
    overflow: hidden;
}

.method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #165DFF 0%, #0E46D9 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.method-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 45px rgba(255, 125, 0, 0.1);
    border-color: rgba(0, 81, 255, 0.2);
}

.method-card:hover::before {
    transform: scaleX(1);
}

.method-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: 0 10px 30px rgba(0, 225, 255, 0.2);
}

.method-icon i {
    font-size: 36px;
    color: white;
}

.method-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #222;
    margin-bottom: 20px;
}

.method-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.method-qrcode {
    width: 160px;
    height: 160px;
    margin: 0 auto 20px;
    border-radius: 12px;
    overflow: hidden;
    border: 4px solid white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.method-qrcode img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.method-btn {
    display: inline-block;
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    color: white;
    font-size: 16px;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 81, 255, 0.2);
}

.method-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 225, 255, 0.2);
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    color: white;
}

/* 赞助权益模块 */
.benefit-list {
    background: linear-gradient(135deg, #fef7f2 0%, #fff5ed 100%);
    border-radius: 24px;
    padding: 60px 40px;
    border: 1px solid #ffe8d9;
    animation: fadeInUp 0.7s ease-out forwards;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(0, 110, 255, 0.15);
}

.benefit-icon i {
    font-size: 24px;
    color: white;
}

.benefit-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #222;
    margin-bottom: 10px;
}

.benefit-content p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

/* 致谢模块 */
.thanks-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #165DFF 0%, #0E46D9 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.thanks-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M50 50c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10s-10-4.477-10-10 4.477-10 10-10zM10 10c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10S0 25.523 0 20s4.477-10 10-10zm10 8c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8zm40 40c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8z' /%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.6;
}

.thanks-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.7s ease-out forwards;
}

.thanks-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 30px;
}

.thanks-desc {
    font-size: 18px;
    line-height: 1.9;
    opacity: 0.9;
    margin-bottom: 40px;
}

.thanks-quote {
    font-size: 24px;
    font-style: italic;
    line-height: 2;
    margin-bottom: 30px;
    position: relative;
}

.thanks-quote::before {
    content: '"';
    font-size: 60px;
    position: absolute;
    top: -20px;
    left: -30px;
    opacity: 0.3;
}

.thanks-quote::after {
    content: '"';
    font-size: 60px;
    position: absolute;
    bottom: -40px;
    right: -30px;
    opacity: 0.3;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .benefit-grid {
        gap: 30px;
    }
}

@media (max-width: 992px) {
    .support-hero h1 {
        font-size: 52px;
    }

    .support-hero p {
        font-size: 20px;
    }

    .support-core {
        padding: 100px 0;
    }

    .module-title {
        font-size: 38px;
    }

    .thanks-section,
    .support-methods {
        padding: 80px 0;
    }

    .thanks-title {
        font-size: 38px;
    }
}

@media (max-width: 768px) {
    .support-hero {
        padding: 140px 0 100px;
    }

    .support-hero h1 {
        font-size: 44px;
    }

    .support-hero p {
        font-size: 18px;
    }

    .support-core {
        padding: 80px 0;
    }

    .support-module {
        margin-bottom: 80px;
    }

    .module-title {
        font-size: 34px;
    }

    .module-desc {
        font-size: 17px;
    }

    .sponsor-cards,
    .support-methods,
    .benefit-grid {
        gap: 30px;
    }

    .thanks-title {
        font-size: 34px;
    }

    .thanks-quote {
        font-size: 22px;
    }
}

@media (max-width: 576px) {
    .support-hero {
        padding: 120px 0 80px;
    }

    .support-hero h1 {
        font-size: 36px;
    }

    .support-hero p {
        font-size: 16px;
    }

    .module-title {
        font-size: 30px;
    }

    .module-desc {
        font-size: 16px;
    }

    .sponsor-card,
    .method-card,
    .benefit-item {
        padding: 30px 20px;
    }

    .method-icon,
    .benefit-icon {
        width: 70px;
        height: 70px;
    }

    .method-icon i,
    .benefit-icon i {
        font-size: 30px;
    }

    .thanks-title {
        font-size: 30px;
    }

    .thanks-quote {
        font-size: 20px;
        padding: 0 20px;
    }

    .thanks-quote::before {
        left: 0;
    }

    .thanks-quote::after {
        right: 0;
    }

    .footer-container {
        gap: 30px;
    }
}