a,
a:hover {
    text-decoration: none
}

body,
button,
dd,
dl,
dt,
form,
h1,
h2,
h3,
h4,
h5,
h6,
input,
li,
ol,
p,
td,
textarea,
th,
ul {
    margin: 0;
    padding: 0
}

body,
button,
input,
select,
textarea {
    font: 12px PingFang SC, \5FAE\8F6F\96C5\9ED1, arial, \5b8b\4f53;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%
}

address,
cite,
dfn,
em,
i,
var {
    font-style: normal
}

kbd,
pre,
samp {
    font-family: courier new, courier, monospace, arial, \5b8b\4f53
}

form {
    display: inline
}

small {
    font-size: 12px
}

ol,
ul {
    list-style: none
}

b {
    font-weight: 400;
    font-weight: inherit
}

a {
    color: #333
}

sup {
    vertical-align: text-top
}

sub {
    vertical-align: text-bottom
}

img {
    vertical-align: top;
    border: 0;
    -ms-interpolation-mode: bicubic
}

button,
input,
select,
textarea {
    font-size: 100%;
    outline: 0
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

textarea {
    resize: none
}

.clearfix {
    *zoom: 1;
}

.clearfix:after {
    content: '\20';
    display: block;
    height: 0;
    clear: both
}

.hidden {
    display: none
}

:-moz-placeholder {
    color: #999
}

::-moz-placeholder {
    color: #999
}

input:-ms-input-placeholder {
    color: #999
}

input::-webkit-input-placeholder {
    color: #999
}

input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px #fff inset
}

/* Container样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0px;
    position: relative;
}

/* 模块1: 主题介绍 Theme */
.theme-section {
    background: #FFFFFF;
    padding: 80px 0;
    text-align: center;
}

/* 通用头部样式 */
.common-header {
    text-align: center;
    margin-bottom: 60px;
}

.common-header-title {
    font-size: 48px;
    font-weight: bold;
    color: #FF5900;
    margin-bottom: 8px;
    line-height: 1.2;
    text-align: left;
}

.common-header-subtitle {
    font-size: 24px;
    color: #333333;
    font-weight: 500;
    line-height: 1.2;
    text-align: left;
}

.theme-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.theme-description-item {}

.theme-description {

    text-align: left;

}

.theme-text {
    font-size: 16px;
    line-height: 1.8;
    color: #333333;
    margin-bottom: 20px;
}

.theme-text-en {
    font-size: 14px;
    line-height: 1.8;
    color: #666666;
    margin-bottom: 0;
}

.theme-banner {
    display: flex;
    justify-content: center;
}

.theme-banner-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(255, 89, 0, 0.15);
}

/* 模块2: 作品征集类别 Submission Categories */
.categories-section {
    background: #F8F9FA;
    padding: 80px 0;
}



/* 通用内容区样式 */
.common-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* 通用描述区样式 */
.common-description-item {}

.common-description {}

.common-description .description2 {
    padding-left: 20px;
}

.common-description p {
    font-size: 16px;
    line-height: 2;
    color: #333333;
    margin-bottom: 15px;

}

.common-description-en {}

.common-description .description2 {
    padding-left: 20px;
}

.common-description-en p {
    font-size: 14px;
    line-height: 2;
    color: #666666;
    margin-bottom: 15px;

}


.highlight-orange {
    color: #FF5900;

}

.highlight-strong {
    color: #111;
    font-weight: bold;

}





.categories-list {
    margin-left: 20px;
    margin-bottom: 20px;
}

.categories-list li {
    font-size: 14px;
    line-height: 1.8;
    color: #666666;
    margin-bottom: 8px;
}

.categories-groups {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.common-group {
    padding: 0px 50px 50px 50px;
    border-radius: 12px;
    border: 1px solid #CDCDCD;
    margin-bottom: 50px;
}

.common-group2 {
    padding: 0px 50px 50px 50px;
    border-radius: 12px;
    border: 3px solid #f75f11;
    margin-bottom: 50px;
}


.group-title {
    font-size: 22px;
    font-weight: bold;
    color: #111;
    margin-bottom: 25px;
    line-height: 1.4;
    background: #F8F9FA;
    margin-left: -10px;
    padding: 0 10px;
    display: inline-block;
    width: auto;
    position: relative;
    top: -15px;
}

.group-title-wight {
    font-size: 22px;
    font-weight: bold;
    color: #111;
    margin-bottom: 25px;
    line-height: 1.4;
    background: #fff;
    margin-left: -10px;
    padding: 0 10px;
    display: inline-block;
    width: auto;
    position: relative;
    top: -15px;
}

.group-title-en {
    font-size: 18px;
    font-weight: 400;
    color: #666666;
    margin-bottom: 25px;
    line-height: 1.4;
}

.group-title2 {
    font-size: 30px;
    font-weight: bold;
    color: #111;
    margin-bottom: 25px;
    line-height: 1.4;
    background: #F8F9FA;
    margin-left: -10px;
    padding: 0 10px;
    display: inline-block;
    width: auto;
    position: relative;
    top: -22px;
}

.group-title-en2 {
    font-size: 22px;
    font-weight: 400;
    color: #666666;
    margin-bottom: 25px;
    line-height: 1.4;
}

.group-categories {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.category-item {
    border-left: 4px solid #FF5900;
    padding-left: 20px;
}

.category-name {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 15px;
    line-height: 1.4;
}

.category-types {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.type-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.6;
}

.type-label {
    font-size: 14px;
    color: #FF5900;
    font-weight: 600;
    min-width: 120px;
    flex-shrink: 0;
}

.type-desc {
    font-size: 14px;
    color: #666666;
    flex: 1;
}

.group-note {
    line-height: 1.6;
}

.group-note p {
    font-size: 14px;
    color: #333333;
    margin-bottom: 15px;
}

.group-note ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.group-note li {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 8px;
}

.design-cards {
    display: flex;
    justify-content: start;
    gap: 40px;
    margin: 40px 0;
}

.design-cards2 {
    display: flex;
    flex-direction: column;
    justify-content: start;
    gap: 40px;
    margin: 40px 0;
}

.design-card {
    flex-shrink: 0;
}

.card-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-img:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.categories-footer {
    background: #FFFFFF;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.footer-text {
    font-size: 16px;
    line-height: 1.8;
    color: #333333;
    margin-bottom: 20px;
}

.footer-text-en {
    font-size: 14px;
    line-height: 1.8;
    color: #666666;
    margin-bottom: 0;
}

.fsa-logo {
    position: absolute;
    right: 10px;
    top: 10px;
}

.logo-img {
    max-width: 100%;
    height: auto;
}

/* 模块3: 征集对象 Target Participants */
.participants-section {
    background: #FFFFFF;
    padding: 80px 0;
}

/* 模块4: 赛事时间和要求 Schedule & Requirements */
.schedule-section {
    background: #F8F9FA;
    padding: 80px 0;
}

/* 赛事时间轴样式 */
.schedule-timeline {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin: 30px 0;
}

.timeline-item {
    flex: 1;
    display: flex;
    justify-content: center;
}

.schedule-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(255, 89, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.schedule-img:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(255, 89, 0, 0.25);
}

/* 报名要求列表样式 */
.requirements-list,
.requirements-list-en {
    padding-left: 20px;
    margin: 20px 0;
}

.requirements-list li,
.requirements-list-en li {
    font-size: 16px;
    line-height: 1.8;
    color: #333333;
    margin-bottom: 15px;
    list-style-type: decimal;
}

.requirements-list-en li {
    font-size: 14px;
    color: #666666;
}

.mailing-address {
    margin: 15px 0;
    padding: 20px;
    background: #fff;
    border-radius: 0px;
    border-left: 4px solid #FF5900;
}

.mailing-address p {
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.6;
}

/* 报名按钮样式 */
.registration-button {
    display: flex;
    justify-content: center;
    margin: 40px 0;
}

.btn-register {
    background: linear-gradient(135deg, #FF8A3D 0%, #FF5900 100%);
    color: #FFFFFF;
    border: none;
    border-radius: 25px;
    padding: 15px 40px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(255, 89, 0, 0.25);
    transition: all 0.3s ease;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 89, 0, 0.35);
}

.btn-register:active {
    transform: translateY(0);
}

/* FSA Logo 更新样式 */
.fsa-logo {
    position: absolute;
    right: 10px;
    top: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.logo-text {
    font-size: 12px;
    color: #666666;
    text-align: center;
    line-height: 1.2;
}

/* 模块5: 作品提交要求 Submission Requirements */
.submission-requirements-section {
    background: #FFFFFF;
    padding: 80px 0;
}

/* 材料部分样式 */
.materials-section {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.materials-section p {
    font-size: 16px;
    line-height: 2;
    color: #333333;
    margin-bottom: 8px;
}

.materials-section .common-description-en p {
    font-size: 14px;
    color: #666666;
}



.footer {
    margin-top: 0
}

.content {
    min-width: 1000px;
    margin-top: 100px;
}

/* 所有 section 公共样式 */
.content .section {
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 1920px auto;
}

/* index-1、index-2 直接加载，无需懒加载 */
.content .index-1 {
    height: 801px;
    position: relative;
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/topseed/images/index-1.png?x-oss-process=image/format,webp);
}

/* 轮播图容器：横向居中后右移 600px，竖向居中 */
.topseed-swiper-wrap {
    position: absolute;
    left: 50%;
    margin-left: -600px;
    top: 480px;
    transform: translateY(-50%);
    width: 600px;
    height: 400px;
    z-index: 10;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.topseed-swiper-wrap .swiper-container {
    width: 600px;
    height: 400px;
}

.topseed-swiper-wrap .swiper-slide img {
    width: 600px;
    height: 400px;
    object-fit: cover;
    display: block;
}

/* 轮播分页点样式 */
.topseed-swiper-wrap .swiper-pagination {
    bottom: 10px;
}

.topseed-swiper-wrap .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    opacity: 1;
    margin: 0 4px;
}

.topseed-swiper-wrap .swiper-pagination-bullet-active {
    background: #ffffff;
    transform: scale(1.3);
}

.content .index-2 {
    height: 685px;
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/topseed/images/index-2.png?x-oss-process=image/format,webp);
}

.content .index-3 {
    height: 1339px;
}

.content .index-4 {
    height: 939px;
}

.content .index-5 {
    height: 979px;
}

.content .index-6 {
    height: 1953px;
}

.content .index-7 {
    height: 2162px;
}

.content .index-8 {
    height: 1479px;
}

/* 懒加载：进入视口后添加 .loaded 类触发背景图加载（index-3 起） */
.content .index-3.loaded {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/topseed/images/index-3.png?x-oss-process=image/format,webp);
}

.content .index-4.loaded {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/topseed/images/index-4.png?x-oss-process=image/format,webp);
}

.content .index-5.loaded {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/topseed/images/index-5.png?x-oss-process=image/format,webp);
}

.content .index-6.loaded {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/topseed/images/index-6.png?x-oss-process=image/format,webp);
}

.content .index-7.loaded {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/topseed/images/index-7.png?x-oss-process=image/format,webp);
}

.content .index-8.loaded {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/topseed/images/index-8.png?x-oss-process=image/format,webp);
}

.content .awards-1 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_1.png);
    height: 1243px
}

.content .awards-2 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_2.png);
    height: 1164px
}

.content .awards-3 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_3.png);
    height: 1419px
}

.content .awards-4 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_4.png);
    height: 1257px
}

.content .awards-5 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_5.png);
    height: 1257px
}

.content .awards-6 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_6.png);
    height: 1318px
}

.content .awards-7 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_7.png);
    height: 1329px
}

.content .awards-8 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_8.png);
    height: 1329px
}

.content .awards-9 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_9.png);
    height: 1317px
}

.content .awards-10 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_10.png);
    height: 1317px
}

.content .awards-11 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_11.png);
    height: 1317px
}

.content .awards-12 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_12.png);
    height: 1119px
}

.content .awards-13 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_13.png);
    height: 1556px
}

.content .awards-14 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_142.png);
    height: 1303px
}

.content .awards-15 {
    background-image: url(https://pushthink-images.oss-cn-shanghai.aliyuncs.com/mjload/fada/awards_pc_15.png);
    height: 1119px
}

.content .awards-1,
.content .awards-2,
.content .awards-3,
.content .awards-4,
.content .awards-5,
.content .awards-6,
.content .awards-7,
.content .awards-8,
.content .awards-9,
.content .awards-10,
.content .awards-11,
.content .awards-12,
.content .awards-13,
.content .awards-14,
.content .awards-15 {
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 1920px auto
}