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

:root {
    --primary-yellow: #efea3d;
    --black: #000000;
    --dark-gray: #2a2a2a;
    --medium-gray: #555555;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    /* 赛事合作模块渐变灰色 */
    --gray-1: #2d2d2d;  /* 深灰1 */
    --gray-2: #404040;  /* 深灰2 */
    --gray-3: #595959;  /* 中灰 */
    --gray-4: #737373;  /* 浅灰 */
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

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

/* 顶部导航栏 */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--primary-yellow);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.1);
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    padding: 8px 12px;
    border-radius: 20px;
    white-space: normal;
    letter-spacing: -0.5px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    line-height: 1.2;
}

.nav-menu a:hover {
    background-color: var(--primary-yellow);
    color: var(--black);
    transform: translateY(-2px);
}

/* 汉堡菜单按钮 */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 35px;
    height: 35px;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.3s ease;
}

.hamburger-line {
    width: 22px;
    height: 3px;
    background-color: var(--black);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
    transform-origin: center;
}

/* 汉堡菜单激活状态 */
.hamburger-menu.active .line-1 {
    transform: rotate(45deg) translate(7px, 7px);
    background-color: var(--black);
}

.hamburger-menu.active .line-2 {
    opacity: 0;
    transform: translateX(20px);
}

.hamburger-menu.active .line-3 {
    transform: rotate(-45deg) translate(7px, -7px);
    background-color: var(--black);
}

/* 语言切换按钮容器 */
.language-buttons {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--light-gray);
    padding: 4px;
    border-radius: 25px;
}

/* 进一步缩小间距的按钮样式 */
.lang-btn {
    position: relative;
    padding: 8px 14px;
    min-width: 40px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--dark-gray);
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
    cursor: pointer;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 -2px;
}

/* 语言按钮样式 */
.lang-btn {
    position: relative;
    padding: 8px 14px;
    min-width: 40px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--dark-gray);
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
    cursor: pointer;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 激活状态的背景滑块效果 */
.lang-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--primary-yellow);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.lang-btn.active::before {
    width: 100%;
    height: 100%;
    border-radius: 20px;
}

/* 按钮悬停和激活状态 */
.lang-btn:hover {
    color: var(--black);
    transform: scale(1.05);
}

.lang-btn.active {
    color: var(--black);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(239, 234, 61, 0.3);
}

.lang-btn:not(.active):hover::before {
    width: 40px;
    height: 40px;
    background: rgba(239, 234, 61, 0.2);
}

/* Slogan横幅区域 */
.hero-section {
    background: linear-gradient(135deg, var(--black) 0%, #1a1a1a 100%);
    background-image: url('images/for_desktop/219.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    padding: 180px 0 200px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(26, 26, 26, 0.8) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 700px;
    margin: 0 auto 40px;
    padding: 30px 40px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(239, 234, 61, 0.3);
}

.slogan {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 25px;
    color: var(--primary-yellow);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 3;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 24px;
    opacity: 0.95;
    position: relative;
    z-index: 3;
    line-height: 1.4;
    letter-spacing: 0.5px;
}

.hero-zhujue {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
}

.hero-zhujue-img {
    max-width: 280px;
    height: auto;
    max-height: 180px;
    object-fit: contain;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.35));
    opacity: 0.9;
    transition: all 0.3s ease;
}

.hero-zhujue-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.45));
    opacity: 1;
}

/* 通用区块样式 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    color: var(--black);
    margin-bottom: 20px;
    position: relative;
}

/* 品牌合作标题颜色 */
.advertising-section .section-header h2 {
    color: var(--primary-yellow);
}

/* 合作案例标题颜色 */
.advertising-section .carousel-section-header h2 {
    color: var(--primary-yellow);
}

/* 品牌合作案例标题样式与广告副标题一致 */
.advertising-section .carousel-section-header h2.ad-subtitle {
    font-size: 22px !important;
    color: var(--primary-yellow);
    margin-bottom: 20px;
    font-weight: bold;
    text-align: center;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.divider {
    width: 80px;
    height: 4px;
    background: var(--primary-yellow);
    margin: 0 auto;
    border-radius: 2px;
}

/* 公司介绍 */
.about-section {
    background: var(--light-gray);
    background-image: url('images/for_desktop/216.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(245, 245, 245, 0.92);
    z-index: 1;
}

.about-section .container {
    position: relative;
    z-index: 2;
}

.about-content {
    text-align: center;
    max-width: 100%;
    margin: 0 auto;
}

.intro-text {
    font-size: 18px;
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--medium-gray);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    max-width: 900px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--black);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 42px;
    font-weight: bold;
    color: var(--primary-yellow);
    margin-bottom: 10px;
    white-space: nowrap;
    width: 180px;
    display: inline-block;
    text-align: center;
}

.stat-label {
    font-size: 14px;
    color: var(--white);
    white-space: nowrap;
    line-height: 1.3;
    max-width: 120px;
    margin: 0 auto;
}

/* 赛事赋能 */
.cooperation-section {
    background: var(--white);
    background-image: url('images/for_desktop/218.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.cooperation-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.92);
    z-index: 1;
}

.cooperation-section .container {
    position: relative;
    z-index: 2;
}

/* 赛事赋能优势容器 */
.advantages-container {
    margin-bottom: 60px;
}

/* 行容器样式 */
.advantages-row {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
}

.advantages-row:last-child {
    margin-bottom: 0;
}

/* 统一所有行的宽度和间距设置 */
section.cooperation-section .advantages-row.advantages-row-2 {
    max-width: 650px !important;
    margin-left: auto;
    margin-right: auto;
    justify-content: center !important;
    gap: 40px !important; /* 统一模块间距为40px */
}

.advantages-row.advantages-row-3 {
    max-width: 990px !important;
    margin-left: auto;
    margin-right: auto;
    justify-content: center !important;
    gap: 40px !important; /* 统一模块间距为40px */
}

.advantage-item {
    width: 300px;
    height: 200px;
    padding: 25px 20px;
    background: var(--light-gray);
    border-radius: 15px;
    border-left: 5px solid var(--primary-yellow);
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.advantage-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.advantage-item h3 {
    font-size: 16px;
    margin-bottom: 15px;
    line-height: 1.3;
}

.advantage-item p {
    font-size: 13px;
    line-height: 1.5;
    color: var(--medium-gray);
    flex-grow: 1;
}

.advantage-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.advantage-item h3 {
    color: var(--black);
    font-size: 20px;
    margin-bottom: 15px;
}

.advantage-item p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* 英文版本标题字体调整 */
html[lang="en"] .advantage-item h3 {
    font-size: 14px;
    margin-bottom: 8px; /* 缩小标题和正文的间距 */
}

.cooperation-modes {
    margin-bottom: 40px;
}

.cooperation-modes h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--black);
}

.advantages-container h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--black);
    font-weight: 600;
}

/* 专门针对"赛事赋能"标题的字体大小 */
.advantages-container h3[data-i18n="cooperation-modes-title"] {
    font-size: 36px;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(2, 300px);
    gap: 20px;
    justify-content: center;
}

.mode-item {
    width: 300px;
    height: 180px;
    padding: 25px;
    background: var(--black);
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* 四个模块颜色调整 */
.mode-item:nth-child(1) {
    background: var(--black); /* 黑色 */
}

.mode-item:nth-child(2) {
    background: var(--gray-2); /* 深灰2 */
}

.mode-item:nth-child(3) {
    background: var(--gray-2); /* 与第二个相同 */
}

.mode-item:nth-child(4) {
    background: var(--black); /* 黑色 */
}

.mode-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.mode-item h4 {
    color: var(--primary-yellow);
    font-size: 18px;
    margin-bottom: 10px;
}

.mode-item p {
    color: var(--white);
    font-size: 14px;
}

/* 所有模块文字颜色保持一致 */

/* 广告合作 */
.advertising-section {
    background: #000000;
    position: relative;
}

.advertising-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(245, 245, 245, 0.92);
    z-index: 1;
    display: none;
}

.advertising-section .container {
    position: relative;
    z-index: 2;
}

.ad-item {
    width: 853px;
    margin: 0 auto;
    text-align: center;
}

.ad-item h3 {
    font-size: 32px;
    color: var(--black);
    margin-bottom: 10px;
}

.ad-text-background {
    background: #000000;
    padding: 30px;
    border-radius: 0;
    margin-bottom: 40px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    border: none;
    text-align: center;
    width: 853px;
    margin-left: auto;
    margin-right: auto;
}

/* 文字滚动区域 */
.text-roller {
    height: 100px; /* 只显示2行：2行 × 50px = 100px */
    overflow: visible; /* 改为visible，避免放大文字被遮挡 */
    position: relative;
    margin-top: 20px;
    text-align: center; /* 居中显示 */
    padding-left: 0;
}

.text-roller-track {
    position: relative;
    transition: transform 0.4s ease;
    width: 100%;
    text-align: center;
    will-change: transform;
}

.text-line {
    display: block;
    height: 50px;
    line-height: 50px;
    transition: opacity 0.4s ease, transform 0.4s ease;
    color: #666666;
    font-size: 14px;
    opacity: 0.5;
    white-space: nowrap;
    text-align: center;
    will-change: transform, opacity;
}

.text-line.active {
    color: #ffffff;
    font-size: 30px; /* 放大150%: 20px × 1.5 = 30px */
    font-weight: bold;
    opacity: 1;
    transform: scale(1.5); /* 放大150% */
    transform-origin: center center; /* 从中心开始放大，保持居中 */
}

.text-line.next {
    color: #999999;
    font-size: 16px;
    opacity: 0.7;
}

.ad-subtitle {
    font-size: 22px;
    color: var(--primary-yellow);
    margin-bottom: 20px;
    font-weight: bold;
    text-align: center;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.ad-text-background p:not(.ad-subtitle):not(.text-line) {
    color: var(--white);
    line-height: 1.8;
    font-size: 16px;
    opacity: 0.95;
    text-align: center;
}

.ad-description {
    margin-left: 230px;
}

.ad-demo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 40px 0;
}

.demo-placeholder {
    padding: 60px;
    background: var(--white);
    border: 2px dashed var(--primary-yellow);
    border-radius: 10px;
    text-align: center;
    color: var(--medium-gray);
    font-weight: bold;
}

/* 水印广告轮播图 - 通栏 */
.watermark-carousel {
    position: relative;
    width: 100vw;
    height: 855px;
    margin-left: calc(-50vw + 50%);
    margin-bottom: 0;
    overflow: hidden;
    background-color: #000000;
    z-index: 1;
}

/* 轮播轨道 */
.carousel-track {
    position: relative;
    width: 100%;
    height: 855px;
    overflow: hidden;
}

.carousel-slide-container {
    position: relative;
    width: 100%;
    height: 855px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform-style: preserve-3d;
    perspective: 1000px;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    height: 855px;
    width: auto;
    max-width: 100%;
    max-height: 855px;
    object-fit: cover;
    object-position: center;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(0.8);
    display: block;
}

.carousel-slide.center {
    z-index: 3;
    transform: translateX(0) scale(1);
    filter: brightness(1);
}

.carousel-slide.left {
    z-index: 2;
    transform: translateX(-30%) scale(0.5);
}

.carousel-slide.right {
    z-index: 2;
    transform: translateX(30%) scale(0.5);
}

.carousel-slide.hidden {
    z-index: 1;
    opacity: 0;
    transform: translateX(0) scale(0.3);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(128, 128, 128, 0.8);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    z-index: 20;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.8);
}

.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 20;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: white;
    transform: scale(1.2);
}

.carousel-prev {
    left: 30px;
}

.carousel-next {
    right: 30px;
}

.ad-contact {
    text-align: center;
    margin-top: 40px;
}

/* 选手中心 */
.player-section {
    background: var(--white);
    background-image: url('images/for_desktop/230.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.player-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.92);
    z-index: 1;
}

.player-section .container {
    position: relative;
    z-index: 2;
}

.player-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
    max-width: 70%;
    margin-left: auto;
    margin-right: auto;
}

.player-item {
    text-align: center;
    padding: 30px;
    background: var(--light-gray);
    border-radius: 15px;
}

.player-item h3 {
    color: var(--black);
    margin-bottom: 15px;
    font-size: 22px;
}

.qr-code {
    margin-top: 15px;
    text-align: center;
}

.qr-placeholder {
    width: 150px;
    height: 150px;
    background: var(--white);
    border: 2px solid var(--primary-yellow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--medium-gray);
    font-weight: bold;
}

.qr-image {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.qr-image:hover {
    transform: scale(1.05);
    border-color: var(--primary-yellow);
    box-shadow: 0 4px 12px rgba(239, 234, 61, 0.3);
}

.faq-section {
    max-width: 800px;
    margin: 0 auto;
}

.faq-section h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--black);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    background: var(--light-gray);
    padding: 25px 30px;
    border-radius: 15px;
    border-left: 5px solid var(--primary-yellow);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.faq-item h4 {
    color: var(--black);
    margin-bottom: 15px;
    font-size: 20px;
    font-weight: 600;
}

.faq-item p {
    color: var(--medium-gray);
    line-height: 1.6;
    font-size: 16px;
    margin: 0;
}

/* 成为摄影师 */
.photographer-section {
    background: var(--white);
    background-image: url('images/for_desktop/233.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.photographer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.92);
    z-index: 1;
}

.photographer-section .container {
    position: relative;
    z-index: 2;
}

.photographer-steps {
    display: flex;
    flex-direction: row;
    gap: 30px;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: 30px;
}

.step-item {
    position: relative;
    flex: 1;
    text-align: center;
    padding: 0 15px;
    overflow: visible;
}

.step-number {
    display: inline-flex;
    width: 60px;
    height: 60px;
    background: var(--primary-yellow);
    color: var(--black);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    margin: 0 auto 20px auto;
    position: relative;
    z-index: 2;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1;
}

.step-item:not(:last-child):after {
    content: '';
    position: absolute;
    top: 30px;
    right: -15px;
    width: 30px;
    height: 2px;
    background: var(--primary-yellow);
    z-index: 1;
}

.step-item h3 {
    font-size: 18px;
    color: var(--black);
    margin-bottom: 15px;
    text-align: center;
    line-height: 1.4;
}

.step-final-desc {
    text-align: center;
    color: var(--dark-gray);
    font-size: 16px;
    margin-top: 10px;
}

.download-instruction {
    text-align: center;
    color: var(--dark-gray);
    margin-top: 10px;
}

.download-instruction.small-text {
    font-size: 16px;
    text-align: center;
    color: var(--dark-gray);
    margin-top: 10px;
    line-height: 1.4;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 10px;
}

.step1-content {
    margin-top: 10px;
}

.step2-content {
    margin-top: 10px;
    text-align: center;
}

.app-logo-container {
    margin-top: 20px;
    text-align: center;
}

.download-item {
    padding: 20px;
    background: var(--light-gray);
    border-radius: 10px;
    text-align: center;
}

.download-item h4 {
    color: var(--black);
    margin-bottom: 10px;
    text-align: center;
}

.download-item p {
    text-align: center;
}

.download-item img {
    display: block;
    margin: 0 auto;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 10px;
}

.tool-platform {
    padding: 15px;
    background: var(--light-gray);
    border-radius: 10px;
    text-align: center;
}

.tool-platform h4 {
    text-align: center;
}

.tool-platform p {
    text-align: center;
}

.tool-description {
    font-size: 12px;
    color: var(--dark-gray);
    line-height: 1.4;
}

.tool-platform img {
    display: block;
    margin: 10px auto;
    width: 150px;
    height: 150px;
    border-radius: 10px;
}

.app-logo, .tool-qr {
    width: 150px;
    height: 150px;
    margin: 10px auto;
    display: block;
    border-radius: 10px;
}

.app-logo {
    object-fit: contain;
}

.tool-qr {
    border: 1px solid rgba(0, 0, 0, 0.1);
    object-fit: contain;
    max-width: 150px;
    max-height: 150px;
    min-width: 150px;
    min-height: 150px;
}

/* 更多上传工具按钮样式 */
.more-tools-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 15px auto 0;
    padding: 12px 35px;
    background: linear-gradient(135deg, var(--primary-yellow), #e6d920);
    color: var(--black);
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(239, 234, 61, 0.3);
}

.more-tools-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 234, 61, 0.4);
    background: linear-gradient(135deg, #f4ef50, var(--primary-yellow));
}

.btn-icon {
    font-size: 18px;
}

.btn-arrow {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.more-tools-btn.active .btn-arrow {
    transform: rotate(180deg);
}

/* 备用工具面板样式 */
.more-tools-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    opacity: 0;
    margin-top: 0;
}

.more-tools-panel.show {
    max-height: 1000px;
    opacity: 1;
    margin-top: 20px;
}

.panel-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
    padding: 25px;
    background: linear-gradient(135deg, #fff9e6, #ffffff);
    border-radius: 15px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border: 2px solid var(--primary-yellow);
    margin: 0 auto;
}

.panel-content .platform-section {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.panel-content .platform-section h4 {
    color: var(--primary-blue);
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-yellow);
}

.panel-content .platform-section p {
    margin-bottom: 10px;
    font-size: 15px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.panel-content .platform-section p:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

.panel-content .platform-section .download-link a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px dashed rgba(0,0,0,0.3);
    transition: all 0.3s ease;
}

.panel-content .platform-section .download-link a:hover {
    color: var(--primary-blue);
    text-decoration: underline;
    border-bottom-style: solid;
}

/* 电脑版板块样式 */
.computer-section {
    max-width: 500px;
    margin: 0 auto;
}

.platform-section {
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
}

.platform-section:last-child {
    margin-bottom: 0;
}

.platform-section h4 {
    color: var(--primary-blue);
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-yellow);
}

.platform-section p {
    margin-bottom: 10px;
    font-size: 16px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.platform-section p:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

.platform-section p:last-child {
    margin-bottom: 0;
}

.tool-platform h4 {
    color: var(--black);
    margin-bottom: 10px;
}

/* 加入我们 */
.join-section {
    background: var(--light-gray);
    background-image: url('images/for_desktop/235.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.join-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(245, 245, 245, 0.92);
    z-index: 1;
}

.join-section .container {
    position: relative;
    z-index: 2;
}

.jobs-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.jobs-row {
    display: flex;
    justify-content: center;
    gap: 25px;
}

.first-row {
    justify-content: center;
}

.second-row {
    justify-content: center;
}

.job-item {
    padding: 30px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    width: 280px;
    min-width: 280px;
    max-width: 280px;
}

.job-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-yellow);
    box-shadow: var(--shadow);
}

.job-item h3 {
    color: var(--black);
    font-size: 20px;
    margin-bottom: 10px;
}

.job-item p {
    color: var(--medium-gray);
    font-size: 14px;
}

/* 底部 */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 20px;
}

.footer-logo-img {
    margin-bottom: 15px;
    text-align: center;
}

.footer-logo-img .logo-img {
    max-width: 120px;
    height: auto;
}

.footer-logo h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-yellow);
    text-align: center;
}

.footer-contact p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    text-align: center;
}

.footer-copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
    font-size: 12px;
}



/* 移动端菜单遮罩层 */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 999;
}

.menu-overlay.active {
    display: block;
}

/* FAQ下拉菜单样式 */
.faq-dropdown {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    z-index: 999;
}

.faq-dropdown-btn {
    width: 100%;
    padding: 15px 20px;
    background: var(--white);
    border: 2px solid var(--primary-yellow);
    border-radius: 12px;
    color: var(--black);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-dropdown-btn:hover {
    background: var(--primary-yellow);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(239, 234, 61, 0.3);
}

.faq-arrow {
    transition: transform 0.3s ease;
    font-size: 18px;
    color: var(--black);
}

.faq-dropdown-btn.active .faq-arrow {
    transform: rotate(180deg);
}

.faq-dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 2px solid var(--primary-yellow);
    border-top: none;
    border-radius: 0 0 12px 12px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 1000;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.faq-dropdown-content.show {
    max-height: 300px;
    overflow-y: auto;
}

.faq-menu-item {
    padding: 15px 20px;
    color: var(--black);
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.faq-menu-item:last-child {
    border-bottom: none;
}

.faq-menu-item:hover {
    background: var(--light-gray);
    padding-left: 25px;
}

/* FAQ弹窗样式 */
.faq-modal {
    display: none;
    position: fixed;
    z-index: 2001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.faq-modal-content {
    background: rgba(255, 255, 255, 0.9);
    margin: 10% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow: hidden;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

.faq-modal-header {
    background: linear-gradient(135deg, var(--primary-yellow), #e6d920);
    color: var(--black);
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.faq-modal-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--black);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.faq-modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(1.1);
}

.faq-modal-body {
    padding: 25px;
}

.faq-modal-body p {
    color: var(--dark-gray);
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: rgba(255, 255, 255, 0.9);
    margin: 5% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 25px 30px;
    background: var(--primary-yellow);
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--black);
    font-size: 24px;
    margin: 0;
}

.close-modal {
    color: var(--black);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.close-modal:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 30px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-body p {
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 25px;
}

.modal-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray);
}

.close-btn {
    padding: 10px 30px;
    background: var(--primary-yellow);
    color: var(--black);
    border: none;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: var(--black);
    color: var(--primary-yellow);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .nav-menu ul {
        gap: 18px;
    }
    
    .nav-menu a {
        font-size: 15px;
        padding: 8px 11px;
        letter-spacing: -0.4px;
    }
}

@media (max-width: 768px) {
    /* 移动端背景图片配置 */
    .about-section {
        background-image: url('images/for_phone/226.jpg');
    }
    
    .cooperation-section {
        background-image: url('images/for_phone/222.jpg');
    }
    
    .advertising-section {
        background-image: none;
        background-color: #000000;
    }
    
    .player-section {
        background-image: url('images/for_phone/227.jpg');
    }
    
    .player-content {
        max-width: 100%;
    }
    
    .photographer-section {
        background-image: url('images/for_phone/229.jpg');
    }
    
    .join-section {
        background-image: url('images/for_phone/231.jpg');
    }
    
    .nav-wrapper {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 15px;
        padding: 10px 0;
    }
    
    .hamburger-menu {
        order: 1;
        display: flex !important;
    }
    
    .logo {
        order: 2;
        flex: 1;
        text-align: center;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        padding-right: 40px;
    }
    
    .nav-menu {
        order: 3;
    }
    
    .language-switch {
        order: 4;
        display: flex !important;
    }
    
    /* 显示汉堡菜单 */
    .hamburger-menu {
        display: flex;
    }
    
    /* 隐藏导航菜单 */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 280px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1000;
        padding: 100px 30px 30px;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 15px;
        list-style: none;
        padding: 0;
        margin: 0;
    }
    
    .nav-menu a {
        font-size: 16px;
        padding: 15px 20px;
        width: 100%;
        text-align: left;
        border-radius: 8px;
        transition: background-color 0.2s ease;
        color: var(--dark-gray);
        text-decoration: none;
        display: block;
        border-left: 3px solid transparent;
        white-space: normal;
        line-height: 1.3;
    }
    
    .nav-menu a:hover {
        background-color: rgba(239, 234, 61, 0.1);
        border-left-color: var(--primary-yellow);
        color: var(--black);
    }
    
    /* 隐藏语言切换（移动端不显示） */
    .language-switch {
        display: none;
    }
    
    .hero-section {
        min-height: 80vh;
        padding: 100px 20px 150px;
        background-attachment: scroll; /* 移动端取消固定背景效果，提升性能 */
    }
    
    .hero-content {
        max-width: 100%;
        margin: 0 auto 30px;
        padding: 25px;
        background: rgba(0, 0, 0, 0.5);
        border-radius: 15px;
        border: 1px solid rgba(239, 234, 61, 0.2);
    }
    
    .hero-zhujue {
        bottom: 40px;
    }
    
    .hero-zhujue-img {
        max-width: 180px;
        max-height: 120px;
    }
    
    .slogan {
        font-size: 28px;
        margin-bottom: 20px;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 0;
        white-space: nowrap;
        padding: 0 10px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 80%;
        margin: 0 auto;
    }
    
    .stat-item {
        min-height: 150px;
        padding: 25px 15px;
    }
    
    .stat-number {
        font-size: 36px;
        width: 150px;
        display: inline-block;
        text-align: center;
    }
    
    .stat-label {
        font-size: 12px;
        max-width: none;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .nav-menu ul {
        gap: 8px;
    }
    
    .nav-menu a {
        font-size: 12px;
        padding: 5px 8px;
        letter-spacing: -0.2px;
    }
    
    .advantages-row {
        flex-direction: column;
        align-items: center;
        gap: 0 !important; /* 调整间距为0 */
        max-width: 85%;
        margin: 0 auto;
    }
    
    /* 强制覆盖特定行的gap设置 */
    section.cooperation-section .advantages-row.advantages-row-2,
    .advantages-row.advantages-row-3 {
        gap: 0 !important; /* 移动端统一gap为0 */
    }
    
    .advantage-item {
        width: 100%;
        height: 180px;
        padding: 20px 15px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    
    .advantage-item h3 {
        font-size: 14px;
        margin-bottom: 10px;
        line-height: 1.3;
    }
    
    /* 英文版本移动端标题字体调整 */
    html[lang="en"] .advantage-item h3 {
        font-size: 12px;
    }
    
    .advantage-item p {
        font-size: 12px;
        line-height: 1.4;
        margin: 0;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
    }
    
    .modes-grid {
        grid-template-columns: 1fr;
        max-width: 80%;
        margin: 0 auto;
    }
    
    .ad-demo {
        grid-template-columns: 1fr;
        max-width: 80%;
        margin: 0 auto;
    }
    
    .photographer-steps {
        flex-direction: column;
        gap: 40px;
        max-width: 80%;
        margin: 0 auto;
    }
    
    .step-item {
        padding: 0 10px;
        width: 100%;
    }
    
    .step-item:not(:last-child):after {
        display: none;
    }
    
    /* 移动端备用工具按钮适配 */
    .more-tools-btn {
        padding: 10px 28px;
        font-size: 14px;
    }
    
    .panel-content {
        gap: 8px;
        padding: 20px;
        max-width: 100%; /* 调整宽度为100%以最大程度减少文字折行 */
        margin: 0 auto;
    }
    
    .panel-content .platform-section {
        padding: 15px;
    }
    
    .panel-content .platform-section h4 {
        font-size: 16px;
    }
    
    .panel-content .platform-section p {
        font-size: 14px;
    }
    
    /* 加入我们模块移动端适配 */
    .jobs-container {
        max-width: 80%;
        margin: 0 auto;
    }
    
    .jobs-row {
        flex-direction: column;
        gap: 20px;
    }
    
    .job-item {
        width: 100%;
        padding: 25px 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
    }
    
    .footer-logo-img {
        margin-bottom: 10px;
    }
    
    .footer-logo-img .logo-img {
        max-width: 80px;
    }
    
    /* 移动端语言切换适配 */
    .language-buttons {
        gap: 0;
        padding: 3px;
    }
    
    .lang-btn {
        padding: 5px 8px;
        min-width: 30px;
        height: 28px;
        font-size: 10px;
        margin: 0 -1px;
    }
    
    /* 移动端标题字体调整 */
    @media (max-width: 768px) {
        .advantages-container h3 {
            font-size: 24px !important;
            margin-bottom: 25px;
        }
        
        .advantages-container h3[data-i18n="cooperation-modes-title"] {
            font-size: 24px !important;
        }
        
        /* 移动端FAQ适配 */
        .faq-dropdown {
            width: 70% !important; /* 设置宽度占比为70% */
            max-width: none !important; /* 移除最大宽度限制 */
        }
        
        /* 移动端赛事赋能模块间隔调整 */
        .advantages-row {
            flex-direction: column !important;
            align-items: center !important;
            gap: 0 !important; /* 调整间距为0 */
            max-width: 85%;
            margin: 0 auto;
        }
        
        /* 强制覆盖特定行的gap设置 */
        section.cooperation-section .advantages-row.advantages-row-2,
        .advantages-row.advantages-row-3 {
            gap: 0 !important; /* 移动端统一gap为0 */
        }
    }
    
    /* 超小屏幕优化 */
    @media (max-width: 380px) {
        .hero-section {
            padding: 80px 15px 120px;
        }
        
        .advantages-container h3 {
            font-size: 22px !important;
            margin-bottom: 20px;
        }
        
        .advantages-container h3[data-i18n="cooperation-modes-title"] {
            font-size: 22px !important;
        }
        
        .hero-content {
            max-width: 98%;
            padding: 20px 15px;
            margin-bottom: 20px;
        }
        
        .slogan {
            font-size: 24px;
            margin-bottom: 15px;
        }
        
        .hero-subtitle {
            font-size: 14px;
            line-height: 1.8;
        }
        
        .hero-zhujue {
            bottom: 30px;
        }
        
        .hero-zhujue-img {
            max-width: 140px;
            max-height: 90px;
        }
    }
    
    /* 移动端FAQ适配 */
    .faq-dropdown {
        width: 70% !important; /* 设置宽度占比为70% */
        max-width: none !important; /* 移除最大宽度限制 */
    }
    
    .faq-dropdown-btn {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .faq-menu-item {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .faq-modal-content {
        width: 95%;
        margin: 15% auto;
    }
    
    .faq-modal-header {
        padding: 15px 20px;
    }
    
    .faq-modal-header h3 {
        font-size: 16px;
    }
    
    .faq-modal-body {
        padding: 20px;
    }
    
    .faq-modal-body p {
        font-size: 14px;
    }
    
    .modal-body {
        padding: 20px;
        max-height: 60vh;
        overflow-y: auto;
    }
    
    .modal-body p {
        font-size: 14px;
    }
    
    /* 移动端重置广告描述左边距 */
    .ad-description {
        margin-left: 0;
    }
    
    .ad-subtitle {
        text-align: center !important;
    }
    
    .ad-text-background {
        text-align: center;
        width: 100%;
        padding: 20px;
    }

    .ad-item {
        width: 100%;
        padding: 0 10px;
    }

    .text-roller {
        width: 100%;
        position: relative;
        z-index: 10;
    }

    .text-line {
        font-size: 12px;
        white-space: normal;
        line-height: 1.4;
    }

    .text-line.active {
        font-size: 18px;
        transform: scale(1.3);
    }

    .section-header {
        margin-bottom: 20px;
    }

    .advertising-section .carousel-section-header {
        margin-bottom: 0;
    }

    .advertising-section .carousel-section-header h2 {
        margin-bottom: 10px;
    }

    /* 移动端图片轮播高度调整 - 保持2:3比例（横2竖3） */
    .watermark-carousel {
        height: auto;
        width: 100vw;
        margin-left: calc(-50vw + 50%);
        aspect-ratio: 2/3;
    }

    .carousel-track {
        height: 100%;
    }

    .carousel-slide-container {
        height: 100%;
    }

    .carousel-slide {
        height: 100%;
        width: 100%;
        max-height: 100%;
        object-fit: cover;
    }
}

/* 英文版本紧凑样式 */
html[lang="en"] .nav-menu ul {
    gap: 12px;
}

/* 英文版本hero内容框增加宽度 */
html[lang="en"] .hero-content {
    max-width: 910px; /* 增加30%宽度：700px × 1.3 = 910px */
}

html[lang="en"] .nav-menu a {
    font-size: 12px;
    padding: 5px 8px;
    letter-spacing: -0.4px;
    white-space: nowrap;
    line-height: 1.1;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

html[lang="en"] .nav-wrapper {
    padding: 12px 0;
}

/* 确保英文导航菜单中的单行和双行文本都能垂直居中 */
html[lang="en"] .nav-menu ul {
    align-items: center;
}

html[lang="en"] .nav-menu li {
    display: flex;
    align-items: center;
}

/* 繁体中文版本紧凑样式 */
html[lang="zh-TW"] .nav-menu ul {
    gap: 18px;
}

html[lang="zh-TW"] .nav-menu a {
    font-size: 15px;
    padding: 7px 11px;
    letter-spacing: -0.4px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
}