/**
 * 全国大学生零碳科技创新大赛 - 全局样式 V2
 * 配色：主题绿 #00C853 + 次色 #00B8D4 + 文字色 #1565C0
 */

/* ==================== 变量定义 ==================== */
@font-face {
    font-family: '汉真广标';
    src: url('../fonts/汉真广标.TTF') format('truetype');
    font-weight: normal;
    font-style: normal;
}

:root {
    --primary-green: #00C853;
    --secondary-cyan: #00B8D4;
    --accent-blue: #00B0FF;
    --deep-green: #1B5E20;
    --white: #FFFFFF;
    --light-gray: #F8FAFB;
    --light-cyan: #E0F7FA;
    --light-green: #E8F5E9;
    --medium-gray: #78909C;
    --border-gray: #E0E0E0;
    --text-dark: #222222;
    --text-primary: #1565C0;
    --shadow-color: rgba(0, 184, 212, 0.08);
    --shadow-hover: rgba(0, 184, 212, 0.15);
    --header-height: 80px;
    --container-max: 1600px;
    --transition: all 0.3s ease;
}

/* ==================== 重置样式 ==================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    color: var(--text-primary);
    background: #f5f5f5;
    line-height: 1.7;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

/* ==================== 工具类 ==================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.section {
    padding: 70px 0;
    position: relative;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 40px;
    text-align: center;
    color: #000000;
}
.section-title.two{
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--medium-gray);
    text-align: center;
    margin-bottom: 48px;
}

/* 关于赛事区域标题 */
.about-content h2 {
    color: var(--text-dark);
}

/* ==================== 按钮组件 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-green);
    color: var(--white);
}

.btn-primary:hover {
    background: #00B8D4;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 200, 83, 0.4);
}

.btn-blue {
    background: #1565C0;
    color: var(--white);
}

.btn-blue:hover {
    background: #0D47A1;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(21, 101, 192, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-gray);
}

.btn-outline:hover {
    background: #00c853;
    color: var(--white);
    border-color: #00c853;
}

.btn-white {
    background: var(--white);
    color: var(--text-primary);
}

.btn-white:hover {
    background: var(--light-cyan);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.btn-outline-gray {
    background: transparent;
    color: #6B7280;
    border: 1px solid #D1D5DB;
}

.btn-outline-gray:hover {
    background: #F3F4F6;
    border-color: #9CA3AF;
    color: #374151;
}

.btn-tag {
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    background: var(--secondary-cyan);
    color: var(--white);
    display: inline-block;
}

.btn-sm {
    padding: 10px 24px;
    font-size: 14px;
}

/* ==================== 卡片组件 ==================== */
.card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 12px var(--shadow-color);
    padding: 24px;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 8px 32px var(--shadow-hover);
    transform: translateY(-4px);
}

/* ==================== 导航栏 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition);
    background: var(--white);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    padding: 0 28px;
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo img {
    height: 41px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    position: relative;
    padding: 8px 14px;
    border-radius: 6px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--light-cyan);
}

.nav-link.active {
    color: var(--text-primary);
    background: var(--light-cyan);
    font-weight: 600;
}

.nav-link.btn-nav {
    background: var(--primary-green);
    color: var(--text-primary);
    font-weight: 600;
    margin-left: 8px;
}

.nav-link.btn-nav:hover {
    background: #00B8D4;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 200, 83, 0.4);
}

/* 右侧工具栏（搜索 + 汉堡菜单） */
.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

/* 搜索图标 */
.header-search {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.header-search img {
    width: 18px;
    height: auto;
    display: block;
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1002;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 1px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端菜单 */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--white);
    z-index: 1001;
    padding: 100px 32px 32px;
    transition: right 0.3s ease;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav .nav-link {
    display: block;
    padding: 16px 0;
    font-size: 18px;
    border-bottom: 1px solid var(--border-gray);
    border-radius: 0;
}

/* ==================== Banner轮播 ==================== */
.hero {
    position: relative;
    margin-top: 80px;
    height: 680px;
    overflow: hidden;
}

.hero .swiper {
    width: 100%;
    height: 100%;
}

.hero .swiper-slide {
    position: relative;
    display: flex;
    align-items: center;
}

.hero-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

/* 纯图片展示，无蒙版无文案 */

.hero-tag {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary-green);
    color: var(--text-primary);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 16px;
    max-width: 700px;
}

.hero-title-line2 {
    font-size: 36px;
    font-weight: 400;
    opacity: 0.85;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 520px;
    opacity: 0.85;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero .swiper-pagination {
    bottom: 20px;
    text-align: center;
    left: 0;
    right: 0;
}

.hero .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #FFFFFF;
    opacity: 0.4;
    border-radius: 50%;
    margin: 0 6px;
    transition: var(--transition);
}

.hero .swiper-pagination-bullet-active {
    opacity: 1;
    background: #FFFFFF;
}

.hero .swiper-button-next,
.hero .swiper-button-prev {
    color: var(--white);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero .swiper-button-next:after,
.hero .swiper-button-prev:after {
    font-size: 18px;
}

.hero .swiper-button-next:hover,
.hero .swiper-button-prev:hover {
    background: rgba(0, 200, 83, 0.3);
    border-color: var(--primary-green);
}

/* 专家轮播 */
.experts-swiper {
    padding: 0 85px;
    position: relative;
    overflow: hidden;
    width: 100%;
}

/* 箭头样式（图片背景） */
.experts-swiper .swiper-button-next,
.experts-swiper .swiper-button-prev {
    width: 23px;
    height: 40px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    border: none;
    border-radius: 0;
    box-shadow: none;
    top: 50%;
    margin-top: -20px;
    transition: var(--transition);
}

.experts-swiper .swiper-button-prev {
    left: 0;
    background-image: url('../images/icon5.png');
}

.experts-swiper .swiper-button-next {
    right: 0;
    background-image: url('../images/icon6.png');
}

.experts-swiper .swiper-button-next::after,
.experts-swiper .swiper-button-prev::after {
    content: '';
    display: none;
}

.experts-swiper .swiper-button-next:hover,
.experts-swiper .swiper-button-prev:hover {
    opacity: 0.7;
    transform: scale(1.05);
}

/* 分页圆点 */
.experts-swiper-pagination {
    position: relative;
    text-align: center;
    margin-top: 50px;
}

.experts-swiper-pagination .swiper-pagination-bullet {
    width: 9px;
    height: 9px;
    background-color: #00288C;
    opacity: 0.2;
    border-radius: 50%;
    margin: 0 2px;
    transition: all 0.3s ease;
}

.experts-swiper-pagination .swiper-pagination-bullet-active {
    width: 22px;
    height: 9px;
    border-radius: 4px;
    background-color: #00C38C;
    opacity: 1;
}

/* ==================== 实时数据面板 + 赛程安排（合并大区域） ==================== */
.stats-timeline-section {
    background: url('../images/bg1.png') no-repeat bottom center;
    background-size: 100% auto;
    position: relative;
}

.stats-section {
    padding: 0;
    position: relative;
}

/* 装饰图标 */
.stats-decor {
    position: absolute;
}

.stats-decor-left {
    top: 20px;
    left: 0;
}

.stats-decor-right {
    bottom: -215px;
    right: 0;
}

.stats-inner {
    position: relative;
    z-index: 1;
}

/* 三卡片等宽布局 */
.stats-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

/* 赛事倒计时区域（上方） */
.stats-countdown {
    text-align: center;
}

.stats-countdown-title {
    font-size: 36px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 24px;
}

/* 数据卡片布局（下方并排，间距30px） */
.stats-layout {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 30px;
    width: 100%;
}

.stat-big-card {
    background: url("../images/bg3.png") no-repeat bottom center;
    background-size: cover;
    border-radius: 16px;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 210px;
    color: var(--text-dark);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    flex: 1;
}

.stat-big-card::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.stat-big-card::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.stat-big-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.stat-big-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.stat-big-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.stat-big-label {
    font-size: 18px;
    font-weight: normal;
    color: #333333;
    margin-bottom: 10px;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

.stat-big-number {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
    position: relative;
    z-index: 1;
}

.stat-big-number .suffix {
    font-size: 18px;
    font-weight: 400;
    margin-left: 2px;
}

/* counter-value 样式 */
.counter-value {
    display: inline-block;
}

/* 倒计时数字行 */
.countdown-flip-row {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 40px;
}

.countdown-flip-card {
    display: flex;
    align-items: baseline;
    gap: 0;
}

.countdown-flip-num {
    font-size: 68px;
    font-weight: 700;
    color: #1766C0;
    line-height: 1;
    text-align: center;
    position: relative;
    z-index: 1;
    font-family: '汉真广标', sans-serif;
}

.countdown-flip-num.flip-up {
    animation: flipCard 0.5s ease-out;
}

@keyframes flipCard {
    0% {
        transform: rotateX(-90deg);
        opacity: 0;
    }

    50% {
        transform: rotateX(0deg);
        opacity: 1;
    }

    100% {
        transform: rotateX(0deg);
        opacity: 1;
    }
}

.countdown-flip-sep {
    font-size: 24px;
    color: #333333;
    font-weight: 500;
    margin-left: 6px;
}

.countdown-flip-title {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 2px;
    margin-top: 12px;
    margin-bottom: 12px;
}

.btn-register {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-green), #00B050);
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 2px;
    text-decoration: none;
    padding: 10px 40px;
    border-radius: 8px;
    transition: var(--transition);
}

.btn-register:hover {
    transform: scale(1.05);
}

/* ==================== 赛题介绍 ==================== */
.tracks-section {
    padding-bottom: 65px;
}

.tracks-tabs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    margin-bottom: 32px;
    border-bottom: 2px solid var(--border-gray);
}

.track-tab {
    padding: 12px 0;
    font-size: 18px;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    position: relative;
    white-space: nowrap;
    text-align: center;
}

.track-tab:hover {
    color: #666;
}

.track-tab.active {
    color: #191919;
    border-bottom-color: #191919;
    font-weight: 600;
}

.tracks-content {
    position: relative;
}

.track-panel {
    display: none;
    gap: 18px;
    align-items: stretch;
}

.track-panel.active {
    display: flex;
    animation: fadeIn 0.4s ease;
}

.track-info {
    width: 650px;
    max-width: 100%;
    min-width: 0;
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    height: 523px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.track-link {
    position: absolute;
    right: 30px;
    bottom: 30px;
    width: 122px;
    height: 42px;
    border-radius: 22px;
    border: 1px solid #289A8B;
    font-size: 16px;
    color: #00C38C;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.track-link:hover {
    background-color: #289A8B;
    color: var(--white);
    box-shadow: 0 4px 16px rgba(40, 154, 139, 0.4);
}

.track-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 28px;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-cyan));
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 12px;
}

.track-name {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.track-subtitle {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.track-desc {
    max-height: 258px;
    font-size: 16px;
    color: #666666;
    line-height: 1.8;
    overflow: hidden;
    overflow-y: auto;
}
/* 滚动条美化 */
.track-desc::-webkit-scrollbar {
    width: 6px;
}

.track-desc::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 3px;
}

.track-desc::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 3px;
    transition: background 0.2s ease;
}

.track-desc::-webkit-scrollbar-thumb:hover {
    background: var(--deep-green);
}

.track-image {
    width: 925px;
    max-width: 100%;
    height: 523px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow-color);
    flex-shrink: 0;
}

.track-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==================== 赛程时间轴（水平） ==================== */
.timeline-section {}

.timeline-wrapper {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding-top: 30px;
}

/* 水平连接线 */
.timeline-wrapper::before {
    content: '';
    position: absolute;
    top: 54px;
    left: 60px;
    right: 60px;
    height: 2px;
    background: var(--border-gray);
    z-index: 0;
}

/* 进度条 */
.timeline-progress-bar {
    position: absolute;
    top: 54px;
    left: 60px;
    width: 25%;
    height: 2px;
    background: linear-gradient(90deg, var(--text-primary), var(--primary-green));
    z-index: 1;
    transition: width 1s ease;
}

.timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    position: relative;
    z-index: 2;
    padding: 0 8px;
}

.timeline-dot {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
    font-weight: 700;
    border: 3px solid;
    background: var(--white);
    margin-bottom: 20px;
    transition: var(--transition);
}

.timeline-item.completed .timeline-dot {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: var(--white);
}

.timeline-item.current .timeline-dot {
    background: var(--primary-green);
    border-color: var(--white);
    color: var(--white);
    box-shadow: 0 0 0 6px rgba(0, 200, 83, 0.3);
}

@keyframes pulse-dot {

    0%,
    100% {
        box-shadow: 0 0 0 8px rgba(0, 200, 83, 0.25);
    }

    50% {
        box-shadow: 0 0 0 16px rgba(0, 200, 83, 0.08);
    }
}

.timeline-item.upcoming .timeline-dot {
    background: var(--white);
    border-color: var(--border-gray);
    color: var(--medium-gray);
}

.timeline-content {
    background: var(--light-gray);
    border-radius: 12px;
    padding: 20px;
    transition: var(--transition);
    width: 100%;
    height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.timeline-item.current .timeline-content {
    background: var(--light-cyan);
    border-top: 3px solid var(--primary-green);
}

.timeline-date {
    font-size: 13px;
    font-weight: 600;
    color: var(--medium-gray);
    margin-bottom: 6px;
}

.timeline-item.current .timeline-date {
    color: var(--primary-green);
}

.timeline-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.timeline-desc {
    font-size: 12px;
    color: var(--medium-gray);
    line-height: 1.5;
}

.timeline-item.upcoming .timeline-desc {
    display: none;
}

.timeline-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-item.completed .timeline-badge {
    background: var(--text-primary);
    color: var(--white);
}

.timeline-item.current .timeline-badge {
    background: var(--primary-green);
    color: var(--white);
}

.timeline-item.upcoming .timeline-badge {
    background: var(--border-gray);
    color: var(--medium-gray);
}

/* ==================== 方案B：卡片式流程布局 ==================== */
.flow-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 8px;
    position: relative;
}

.flow-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1;
}

.flow-item:last-child .flow-arrow {
    display: none;
}

.flow-card {
    width: 200px;
    min-height: 200px;
    background: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: 16px;
    padding: 24px 20px;
    transition: all 0.3s ease;
    text-align: left;
    box-sizing: border-box;
}

.flow-item.completed .flow-card {
    border-color: var(--text-primary);
    background: rgba(21, 101, 192, 0.03);
}

.flow-item.current .flow-card {
    border-color: var(--primary-green);
    background: rgba(0, 200, 83, 0.03);
    box-shadow: 0 8px 32px rgba(0, 200, 83, 0.15);
}

.flow-item.upcoming .flow-card {
    border-color: var(--border-gray);
    background: var(--white);
}

.flow-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.flow-num {
    font-size: 13px;
    font-weight: 700;
    color: var(--medium-gray);
    font-family: 'Microsoft YaHei', sans-serif;
}

.flow-item.completed .flow-num {
    color: var(--text-primary);
}

.flow-item.current .flow-num {
    color: var(--primary-green);
}

.flow-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.flow-item.completed .flow-badge {
    background: rgba(21, 101, 192, 0.1);
    color: var(--text-primary);
}

.flow-item.current .flow-badge {
    background: rgba(0, 200, 83, 0.1);
    color: var(--primary-green);
}

.flow-item.upcoming .flow-badge {
    background: var(--light-gray);
    color: var(--medium-gray);
}

.flow-date {
    font-size: 14px;
    color: var(--medium-gray);
    margin-bottom: 6px;
}

.flow-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.flow-item.completed .flow-title {
    color: var(--text-primary);
}

.flow-item.current .flow-title {
    color: var(--primary-green);
}

.flow-item.upcoming .flow-title {
    color: var(--text-dark);
}

.flow-desc {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.5;
}

.flow-arrow {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--border-gray);
}

.flow-item.completed .flow-arrow {
    color: var(--text-primary);
}

.flow-item.current .flow-arrow {
    color: var(--primary-green);
}


/* ==================== 关于赛事 ==================== */
.about-section {
    background: var(--light-gray);
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--white);
    clip-path: ellipse(60% 100% at 50% 0%);
}

.about-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.about-content .subtitle {
    font-size: 18px;
    color: var(--medium-gray);
    margin-bottom: 24px;
}

.about-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 16px;
}

.about-content strong {
    color: var(--text-primary);
}

.org-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 24px 0;
}

.org-tag {
    padding: 8px 16px;
    background: var(--white);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-primary);
    border: 1px solid var(--border-gray);
    transition: var(--transition);
}

.org-tag:hover {
    border-color: var(--primary-green);
    background: var(--light-cyan);
}

.about-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px var(--shadow-hover);
    position: relative;
}

.about-image img {
    width: 100%;
    height: auto;
}

.about-image-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 12px;
}

.about-image-overlay .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 14px;
    border-radius: 8px;
}

.about-image-overlay span {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.sponsor-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}

.sponsor-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--medium-gray);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sponsor-col p {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 2;
    margin: 0;
}

/* ==================== 奖金权益（金字塔） ==================== */
/* ==================== 奖金权益（浅色6模块） ==================== */
.prizes-section {
    padding-bottom: 80px;
    position: relative;
}

.prizes-content {
    max-width: var(--container-max, 1600px);
    margin: 0 auto;
}

/* 奖项网格（4+2两行） */
.prize-award-grid {
    display: grid;
    gap: 15px;
}

.prize-award-grid-4 {
    grid-template-columns: repeat(4, 1fr);
    margin-bottom: 15px;
}

.prize-award-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.prize-award-item {
    text-align: center;
    padding: 15px 53px;
    transition: var(--transition);
    background: var(--white);
    border-radius: 10px;
    box-sizing: border-box;
}

.prize-award-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-color);
}

.prize-award-img {
    width: 100px;
    height: 100px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prize-award-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.prize-award-name {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 4px;
    line-height: 1.4;
}

.prize-award-count {
    font-size: 13px;
    color: var(--medium-gray);
    margin-bottom: 8px;
}

.prize-award-bonus {
    font-size: 16px;
    font-weight: 700;
    color: #1565c0;
    margin-bottom: 8px;
}

.prize-award-bonus .prize-unit {
    font-size: 13px;
    font-weight: 400;
    color: var(--medium-gray);
    margin-left: 2px;
}

.prize-award-detail {
    font-size: 12px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ==================== 专家展示（网格） ==================== */
.experts-section {
    padding-bottom: 65px;
    background: url('../images/prizes-bg.png') center/cover no-repeat;
    position: relative;
}

.experts-section .section-title {
    margin-bottom: 56px;
}

.experts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

a.expert-card,
.expert-card {
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}

.expert-card:hover {
    transform: translateY(-4px);
}

.expert-card:hover .expert-img {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.expert-img {
    width: 172px;
    height: 166px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 14px;
    background: url('../images/bg2.png') no-repeat center/100% 100%;
    padding: 3px 6px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

.expert-img>img,
.expert-img>.expert-avatar-placeholder {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.expert-avatar-placeholder {
    width: 110px;
    height: 110px;
    background: linear-gradient(135deg, #E0F7FA, #E8F5E9);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.expert-avatar-letter {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 600;
    color: var(--white);
}

.expert-info {
    padding: 0 4px;
}

.expert-name {
    font-size: 20px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.expert-title {
    font-size: 14px;
    color: #78909C;
    line-height: 1.6;
    word-break: break-all;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    /*要显示的行数*/
    overflow: hidden;
}

/* ==================== 赛事资讯 ==================== */
.news-section {
    background: url('../images/news-bg.jpg') center/cover no-repeat;
    position: relative;
}

.news-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(4px);
    z-index: 0;
}

.news-section .container {
    position: relative;
    z-index: 1;
}

.news-grid {
    display: flex;
    gap: 24px;
}

.news-featured {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow-color);
    width: 770px;
    height: 490px;
    flex-shrink: 0;
}

.news-featured-img {
    width: 770px;
    height: 490px;
    position: relative;
}

.news-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-featured-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70%;
    background: linear-gradient(to top, rgba(45, 90, 61, 0.95) 0%, rgba(45, 90, 61, 0.5) 50%, transparent 100%);
}

.news-featured-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px;
    color: var(--white);
    z-index: 1;
}

.news-featured-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.news-featured-title {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-featured-date {
    font-size: 13px;
    opacity: 0.8;
}

.news-grid .news-list {
    display: flex;
    flex-direction: column;
    gap: 21px;
    width: 806px;
}

.news-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--light-gray);
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
}

/* news-item 内部链接样式 */
.news-item-link {
    display: flex;
    gap: 16px;
    width: 100%;
}

.news-item:hover {
    background: var(--light-cyan);
    transform: translateX(4px);
}

.news-item-img {
    width: 100px;
    height: 75px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.news-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-item-content {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.news-item-title {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    line-height: 1.5;
    margin-bottom: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.news-more {
    text-align: center;
    margin-top: 32px;
}

/* ==================== 联系我们 ==================== */
.contact-section {
    background: linear-gradient(135deg, #F8FAFB 0%, #E0F7FA 100%);
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1) 0%, rgba(0, 184, 212, 0.05) 100%);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    position: relative;
    z-index: 1;
}

.contact-info h3,
.contact-form-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333333;
}

.contact-right {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* 咨询表单 */
.contact-form-card {
    background: var(--white);
    border-radius: 16px;
    padding: 28px 28px 50px 28px;
    box-shadow: 0 4px 20px var(--shadow-color);
}

/* 分赛区列表 */
.region-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.region-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-gray);
    transition: var(--transition);
}

.region-item:hover {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-color);
}

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

.region-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-cyan));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--white);
}

.region-icon svg {
    width: 18px;
    height: 18px;
}

.region-body {
    flex: 1;
    min-width: 0;
}

.region-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    display: block;
}

.region-contact {
    font-size: 13px;
    color: var(--medium-gray);
}

/* 主办方列表 */
.organizer-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.organizer-item {
    padding: 31px 20px;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid var(--border-gray);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 14px;
}

.organizer-item:hover {
    border-color: var(--primary-green);
    box-shadow: 0 4px 16px rgba(0, 200, 83, 0.08);
}

.organizer-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1565C0, #00B8D4);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--white);
}

.organizer-icon svg {
    width: 20px;
    height: 20px;
}

.organizer-body {
    flex: 1;
    min-width: 0;
}

.organizer-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.organizer-contact {
    font-size: 13px;
    color: var(--medium-gray);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.15);
}

/* ==================== 合作入口CTA横幅 ==================== */
.partnership-section {
    background: #fff;
    padding: 48px 0;
    position: relative;
    overflow: hidden;
}

.partnership-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.partnership-text h2 {
    font-size: 26px;
    font-weight: 700;
    color: #1A1A2E;
    margin-bottom: 8px;
}

.partnership-text p {
    font-size: 15px;
    color: #6B7280;
    max-width: 500px;
    line-height: 1.6;
}

.partnership-btns {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.partnership-contact {
    font-size: 13px;
    color: #9CA3AF;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.partnership-contact span {
    color: var(--text-primary);
    font-weight: 600;
}

/* ==================== 页脚 ==================== */
.footer {
    background: #1ba380;
    color: var(--white);
    padding: 60px 28px 24px;
}

.footer-grid {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
}

/* footer-brand 与快速链接之间间距60px */
.footer-grid>.footer-brand {
    margin-right: 60px;
    flex-shrink: 0;
}

/* 列之间的竖线分隔（20%白色透明度） */
.footer-grid {
    --footer-line-height: 242px;
    /* 竖线固定高度 */
}

.footer-brand+.footer-col {
    padding-left: 0;
    margin-left: 0;
}

.footer-col {
    position: relative;
    margin-left: 80px;
    padding-left: 30px;
    flex-shrink: 0;
}

/* 竖线：固定高度，从h4顶部开始 */
.footer-col:not(:nth-child(1)):not(:nth-child(2))::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    height: var(--footer-line-height);
    width: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-icon {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-cyan));
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer-logo img {
    height: 32px;
    width: auto;
    display: block;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--white);
    opacity: 1;
    font-weight: 400;
    max-width: 280px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--white);
    font-weight: 400;
    opacity: 1;
    padding: 5px 0;
    transition: font-weight 0.2s ease;
}

.footer-col a:hover {
    font-weight: 700;
    color: var(--white);
}

/* 分赛区信息 */
.footer-region-item {
    font-size: 14px;
    color: var(--white);
    padding: 5px 0;
    line-height: 1.7;
}

/* 主办方信息 */
.footer-organizer {
    padding: 5px 0;
    font-size: 14px;
    color: var(--white);
    line-height: 1.7;
}

/* 二维码区域 - 并排 */
.footer-qrcodes-inline {
    display: flex;
    gap: 30px;
}

.footer-qrcode-label {
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: bold;
    color: var(--white);
}

.footer-qrcode-item img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    display: block;
}

.footer-contact-info p {
    font-size: 14px;
    color: var(--white);
    line-height: 1.8;
}

.footer-bottom {
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--white);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}


/* ==================== 新闻列表页 ==================== */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* 内层链接 - 浮动布局，不影响外部 div 样式 */
.news-list-inner {
    display: block;
    color: inherit;
    text-decoration: none;
    overflow: hidden;
}

.news-list-inner:hover .news-list-title {
    color: var(--primary-green);
}

.news-list-inner:hover .news-list-more {
    color: var(--secondary-cyan);
}

.news-list-inner:hover .news-list-img img {
    transform: scale(1.05);
}

.news-list-item {
    display: block;
    padding: 24px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border-gray);
    transition: var(--transition);
}

.news-list-item:hover {
    box-shadow: 0 8px 24px var(--shadow-color);
    border-color: rgba(0, 200, 83, 0.2);
}

.news-list-img {
    float: left;
    width: 240px;
    height: 160px;
    margin-right: 24px;
    border-radius: 12px;
    overflow: hidden;
}

.news-list-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-list-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 160px;
}

.news-list-tag {
    display: inline-block;
    width: fit-content;
    padding: 3px 10px;
    background: rgba(0, 200, 83, 0.1);
    color: var(--primary-green);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 10px;
}

.news-list-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-list-desc {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.7;
    margin-bottom: 12px;
    min-height: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-list-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.news-list-date {
    font-size: 13px;
    color: var(--medium-gray);
}

.news-list-more {
    font-size: 13px;
    color: var(--primary-green);
    font-weight: 500;
    transition: var(--transition);
}

/* ==================== 新闻详情页 ==================== */
.news-detail-page .section {
    padding: 40px 0;
}

.news-detail {
    max-width: var(--container-max);
    margin: 0 auto;
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 20px var(--shadow-color);
}

.news-detail-header {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-gray);
}

.news-detail-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 200, 83, 0.1);
    color: var(--primary-green);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 12px;
}

.news-detail-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.4;
    margin-bottom: 12px;
}

.news-detail-meta {
    font-size: 13px;
    color: var(--medium-gray);
}

.news-detail-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
}

.news-detail-content img {
    max-width: 100%;
    height: auto !important;
}

.news-detail-content p {
    margin-bottom: 16px;
}

.news-detail-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border-gray);
    text-align: center;
}


/* ==================== 滚动进度条 ==================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: var(--primary-green);
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ==================== 返回顶部 ==================== */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 48px;
    height: 48px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 4px 16px rgba(0, 200, 83, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    font-size: 20px;
    color: var(--white);
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 200, 83, 0.5);
}

/* ==================== 悬浮报名按钮 ==================== */
.float-register {
    position: fixed;
    bottom: 100px;
    right: 40px;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    transform: translateY(20px);
}

.float-register.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.float-register .btn {
    box-shadow: 0 4px 20px rgba(0, 200, 83, 0.4);
    padding: 12px 20px;
    font-size: 14px;
}

/* ==================== 入场动画 ==================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

.delay-400 {
    transition-delay: 0.4s;
}

/* ==================== 筛选器 ==================== */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    background: #fff;
    color: var(--medium-gray);
    border: none;
    transition: var(--transition);
    font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-green);
    color: var(--white);
}

/* ==================== SVG图标 ==================== */
.svg-icon {
    width: 24px;
    height: 24px;
    display: inline-block;
    vertical-align: middle;
}

/* ==================== 内页通用 ==================== */
.page-header {
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 40px;
    background: #E8F4F8;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 160px;
    height: 160px;
    background: rgba(0, 200, 83, 0.12);
    border-radius: 50%;
    z-index: 0;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: -40px;
    right: 80px;
    width: 80px;
    height: 80px;
    background: rgba(0, 184, 212, 0.08);
    border-radius: 50%;
    z-index: 0;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    color: #1565C0;
    text-align: left;
}

.page-header p {
    font-size: 14px;
    color: #1565C0;
    margin-top: 8px;
    text-align: left;
}

/* 分页 */
.pages {
    margin-top: 40px;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.pagination li {
    margin: 0;
}

.pagination li a,
.pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-dark);
    background: var(--white);
    border: 1px solid var(--border-gray);
    text-decoration: none;
    transition: var(--transition);
}

.pagination li a:hover {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

.pagination li.active a,
.pagination li.active span {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
    font-weight: 600;
}

.pagination li.disabled span {
    color: var(--border-gray);
    cursor: not-allowed;
}

.pagination li.first,
.pagination li.last,
.pagination .form {
    display: none;
}

.page-content {
    padding: 48px 0;
    min-height: calc(100vh - 637px);
}

/* ==================== 公告列表 ==================== */
.announcement-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.announcement-item {
    border-radius: 12px;
    transition: var(--transition);
}

.announcement-link {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px;
    background: #fff;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.announcement-link:hover {
    background: var(--light-cyan);
    transform: translateX(4px);
}

.announcement-date {
    text-align: center;
    flex-shrink: 0;
    min-width: 70px;
}

.announcement-date .day {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-green);
    line-height: 1;
}

.announcement-date .month {
    font-size: 12px;
    color: var(--medium-gray);
}

.announcement-content {
    flex: 1;
    min-width: 0;
}

.announcement-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.announcement-content p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ==================== 下载列表 ==================== */
.download-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: #fff;
    border-radius: 12px;
    transition: var(--transition);
}

.download-item:hover {
    background: var(--light-cyan);
}

.download-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.download-icon {
    width: 48px;
    height: 48px;
    background: var(--light-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.download-meta h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
}


.download-meta p {
    font-size: 13px;
    color: var(--medium-gray);
}

.download-item .btn {
    padding: 10px 24px;
    font-size: 14px;
}

/* ==================== 作品展示 ==================== */
.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.work-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow-color);
    transition: var(--transition);
}

.work-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--shadow-hover);
}

.work-img {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.work-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: var(--primary-green);
    color: var(--text-primary);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.work-info {
    padding: 20px;
}

.work-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.work-team,
.work-school {
    font-size: 13px;
    color: var(--medium-gray);
    margin-bottom: 4px;
}

/* ==================== 视频区域 ==================== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.video-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow-color);
    cursor: pointer;
}

.video-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(45, 90, 61, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.video-card:hover .video-overlay {
    background: rgba(45, 90, 61, 0.5);
}

.play-btn {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-primary);
    transition: var(--transition);
}

.video-card:hover .play-btn {
    transform: scale(1.1);
    background: var(--primary-green);
}

.video-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    color: var(--white);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
}

.video-info h3 {
    font-size: 16px;
    font-weight: 600;
}

/* ==================== 图片瀑布流 ==================== */
.gallery-grid {
    column-count: 3;
    column-gap: 16px;
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 16px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    border-radius: 12px;
}

/* ==================== 关于赛事页(about)专属样式 ==================== */
/* 页面级关于布局 - 两栏顶部对齐 */
.about-page-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    color: var(--medium-gray);
    line-height: 2;
    font-size: 15px;
}

/* 赛事背景区块标题 */
.about-section-title {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

/* 赛事背景正文 */
.about-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 20px;
}

/* 赛事意义小标题 */
.about-subtitle {
    font-size: 22px;
    margin: 32px 0 16px;
    color: var(--text-dark);
}

/* 赛事意义列表 */
.about-significance-list {
    list-style: disc;
    padding-left: 24px;
    color: var(--medium-gray);
    line-height: 2;
    font-size: 15px;
}
.about-significance-list .list-paddingleft-2{
    list-style: disc;
}

/* 关于页图片容器 */
.about-page-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow-color);
    height: 500px;
}

.about-page-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 组织机构区域 */
.org-section {
    margin-top: 60px;
}

/* 组织机构区域大标题 */
.org-section-title {
    font-size: 28px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-dark);
}

/* 组织机构卡片 */
.org-card {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px var(--shadow-color);
    margin-bottom: 24px;
}

.org-card:last-child {
    margin-bottom: 0;
}

/* 组织机构卡片标题 */
.org-card-title {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-green);
}

/* 组织机构列表(卡片内) */
.org-card-list {
    margin: 0;
}

/* 组织机构补充说明文字 */
.org-note {
    font-size: 15px;
    color: var(--medium-gray);
    line-height: 1.8;
}

.org-note+.org-note {
    margin-top: 8px;
}
.nodata-section3{
    margin: 90px 0;
    text-align: center;
}
.nodata-section3 p{
    margin-top: 20px;
    font-size: 16px;
    color: #666;
    text-align: center;
}

@media screen and (min-width:0px) and (max-width:1600px) {
    .container{
        padding: 0 28px;
    }
    .news-featured {
        width: 685px;
    }

    /* ===== 页脚紧凑一排 ===== */
    .footer {
        padding: 50px 28px 20px;
    }

    .footer-grid {
        gap: 10px;
    }

    .footer-grid>.footer-brand {
        margin-right: 15px;
        flex-shrink: 1;
    }

    .footer-logo img {
        height: 20px;
    }

    .footer-desc {
        max-width: 200px;
        font-size: 13px;
    }

    .footer-col {
        margin-left: 20px;
        padding-left: 18px;
        flex-shrink: 1;
    }

    .footer-col h4 {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .footer-col a {
        font-size: 12px;
        padding: 4px 0;
    }

    .footer-qrcodes-inline {
        gap: 15px;
    }

    .footer-qrcode-label {
        margin-bottom: 10px;
        font-size: 12px;
    }

    .footer-qrcode-item img {
        width: 80px;
        height: 80px;
    }
}
@media screen and (min-width:0px) and (max-width:1340px) {
    .news-featured{
        width: 645px;
    }
    .news-grid .news-list{
        width: 555px;
    }
    .track-name{
        font-size: 20px;
    }
    .track-subtitle{
        font-size: 16px;
    }
    .track-desc{
        font-size: 14px;
    }
    .track-image{
        width: 680px;
    }

}

/* ---------- 平板端 ≤1023px ---------- */
@media screen and (min-width:0px) and (max-width:1023px) {

    .nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .header-search {
        display: flex;
    }

    .hero {
        height: 560px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-title-line2 {
        font-size: 24px;
    }

    .stats-inner {
        flex-direction: column;
    }

    .countdown-flip-num {
        font-size: 48px;
    }

    .about-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .experts-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .expert-img {
        width: 120px;
        height: 116px;
        padding: 2px 4px;
    }

    .expert-img>img,
    .expert-img>.expert-avatar-placeholder {
        width: 108px;
        height: 108px;
    }

    .expert-name {
        font-size: 16px;
    }

    .expert-title {
        font-size: 12px;
    }

    .news-grid {
        flex-direction: column;
    }

    .news-featured {
        width: 100%;
        height: auto;
        min-height: 280px;
    }

    .news-featured-img {
        width: 100%;
        height: 100%;
        min-height: 280px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        flex-wrap: wrap;
        gap: 32px;
    }

    .footer-grid>.footer-brand {
        margin-right: 0;
        width: 100%;
        margin-bottom: 16px;
    }

    .footer-col:not(:nth-child(1))::before {
        display: none;
    }

    .footer-col:not(:nth-child(1)):not(:nth-child(2)),
    .footer-col.footer-contact-col {
        padding-left: 0;
        padding-right: 0;
    }

    .section {
        padding: 52px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 14px;
        margin-bottom: 32px;
    }

    .hero .swiper-button-next,
    .hero .swiper-button-prev {
        display: none;
    }

    .timeline-wrapper {
        flex-direction: column;
        gap: 20px;
        padding-top: 0;
    }

    .timeline-wrapper::before,
    .timeline-progress-bar {
        display: none;
    }

    .timeline-item {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
        gap: 20px;
        padding: 0;
    }

    .timeline-dot {
        margin-bottom: 0;
    }

    .timeline-content {
        height: auto;
        min-height: 100px;
    }

    .sponsor-row {
        grid-template-columns: 1fr;
    }

    .prize-award-item {
        width: 100%;
        height: auto;
    }

    /* 内页响应式 */
    .works-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        column-count: 2;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }

    .page-header h1 {
        font-size: 28px;
    }

    /* about页响应式 */
    .about-page-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-page-image {
        height: 400px;
    }
}

@media screen and (min-width:0px) and (max-width:990px) {
    .flow-wrapper {
        flex-direction: column;
        gap: 0;
    }

    .flow-item {
        width: 100%;
        margin-bottom: 16px;
    }

    .flow-item:last-child {
        margin-bottom: 0;
    }

    .flow-arrow {
        display: none !important;
    }
}

/* ---------- 平板端 ≤768px ---------- */
@media screen and (min-width:0px) and (max-width:768px) {

    /* ===== 全局基础 ===== */
    html {
        font-size: 14px;
    }

    body {
        font-size: 13px;
        line-height: 1.6;
    }

    .section {
        padding: 36px 0;
    }

    .section-title {
        font-size: 22px;
        margin-bottom: 24px;
    }

    .section-subtitle {
        font-size: 13px;
        margin-bottom: 24px;
    }

    .container {
        padding: 0 16px;
    }

    /* ===== 导航 & Header ===== */
    .header {
        padding: 0 16px;
        padding-right: 8px;
        height: 60px;
    }


    /* ===== Hero Banner ===== */
    .hero {
        height: 420px;
    }

    .hero-title {
        font-size: 26px;
    }

    .hero-title-line2 {
        font-size: 18px;
        margin-bottom: 14px;
    }

    .hero-desc {
        font-size: 13px;
        margin-bottom: 24px;
    }

    .hero-slide-content {
        padding: 0 16px;
    }

    .hero-tag {
        font-size: 12px;
        padding: 6px 14px;
        margin-bottom: 16px;
    }

    .hero-btns {
        gap: 10px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .btn-sm {
        padding: 8px 16px;
        font-size: 13px;
    }

    .hero .swiper-pagination {
        bottom: 15px;
    }

    /* ===== 统计/倒计时 ===== */
    .stats-countdown-title {
        font-size: 24px;
        margin-bottom: 16px;
    }

    .stats-inner {
        gap: 25px;
    }

    .stats-layout {
        gap: 20px;
    }

    .stat-big-card {
        padding: 25px 20px;
        height: auto;
    }

    .stat-big-label {
        font-size: 16px;
        margin-bottom: 6px;
    }

    .stat-big-number {
        font-size: 28px;
    }

    .countdown-flip-num {
        font-size: 36px;
    }

    .countdown-flip-sep {
        font-size: 18px;
    }

    .btn-register {
        font-size: 14px;
        padding: 8px 28px;
    }

    /* ===== 赛题 Tabs ===== */
    .tracks-tabs {
        margin-bottom: 20px;
        grid-template-columns: repeat(5, 1fr);
        gap: 0;
        border-bottom: 2px solid var(--border-gray);
    }

    .track-tab {
        padding: 8px 2px;
        font-size: 18px;
        border: none;
        border-bottom: 2px solid transparent;
        border-radius: 0;
        margin-bottom: -2px;
    }

    .track-tab.active {
        border-color: #191919;
        background: transparent;
        color: #191919;
    }

    .track-panel.active {
        flex-direction: column;
        gap: 16px;
    }

    .track-info {
        width: 100%;
        height: auto;
        padding: 20px 16px;
    }

    .track-num {
        width: 44px;
        height: 24px;
        font-size: 12px;
        margin-bottom: 8px;
    }

    .track-name {
        font-size: 20px;
    }

    .track-subtitle {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .track-desc {
        font-size: 14px;
    }

    .track-link {
        position: static;
        display: block;
        margin: 20px auto 0;
        text-align: center;
        line-height: 40px;
    }

    .track-image {
        flex: none;
        width: 100%;
        height: auto;
    }

    /* ===== 时间轴 ===== */
    .timeline-wrapper {
        flex-direction: column;
        padding-top: 0;
        gap: 16px;
    }

    .timeline-wrapper::before,
    .timeline-progress-bar {
        display: none;
    }

    .timeline-item {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
        gap: 14px;
        padding: 0;
    }

    .timeline-dot {
        width: 40px;
        height: 40px;
        font-size: 13px;
        margin-bottom: 0;
        flex-shrink: 0;
        border-width: 2px;
    }

    .timeline-content {
        height: auto;
        min-height: 90px;
        padding: 14px;
    }

    .timeline-date {
        font-size: 12px;
    }

    .timeline-title {
        font-size: 14px;
    }

    .timeline-desc {
        font-size: 11px;
    }

    /* ===== 关于赛事（首页区块） ===== */
    .about-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .about-content h2 {
        font-size: 22px;
        margin-bottom: 8px;
    }

    .about-content .subtitle {
        font-size: 15px;
        margin-bottom: 16px;
    }

    .about-content p {
        font-size: 14px;
        margin-bottom: 12px;
    }

    .org-list {
        gap: 8px;
        margin: 16px 0;
    }

    .org-tag {
        padding: 6px 10px;
        font-size: 13px;
    }

    .sponsor-row {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 28px;
    }

    /* ===== 奖金权益 ===== */
    .prize-award-grid {
        gap: 10px;
    }

    .prize-award-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .prize-award-item {
        padding: 20px 14px;
        height: auto;
    }

    .prize-award-img {
        width: 70px;
        height: 70px;
        margin-bottom: 10px;
    }

    .prize-award-name {
        font-size: 17px;
    }

    .prize-award-bonus {
        font-size: 16px;
    }

    .prize-award-detail {
        font-size: 11px;
    }

    /* ===== 专家展示 ===== */
    .experts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .expert-img {
        width: 88px;
        height: 84px;
        padding: 2px 4px;
        margin-bottom: 10px;
    }

    .expert-img>img,
    .expert-img>.expert-avatar-placeholder {
        width: 76px;
        height: 76px;
    }

    .expert-name {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .expert-title {
        font-size: 12px;
        line-height: 1.5;
    }

    .experts-swiper-pagination {
        margin-top: 30px;
    }

    /* ===== 资讯 ===== */
    .news-grid {
        flex-direction: column;
    }

    .news-featured {
        width: 100%;
        height: auto;
        min-height: 220px;
    }

    .news-featured-img {
        width: 100%;
        height: 100%;
        min-height: 220px;
    }

    .news-featured-content {
        padding: 20px 16px;
    }

    .news-featured-title {
        font-size: 17px;
        margin-bottom: 8px;
    }

    .news-grid .news-list {
        width: 100%;
    }

    .news-item {
        flex-direction: row;
        padding: 12px;
        gap: 12px;
    }

    .news-item-img {
        width: 110px;
        height: 83px;
        flex-shrink: 0;
    }

    .news-item-title {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .news-item-date {
        font-size: 12px;
    }

    .news-more {
        margin-top: 24px;
    }

    /* ===== 联系我们 ===== */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .contact-info h3,
    .contact-form-card h3 {
        font-size: 16px;
        margin-bottom: 14px;
    }

    .contact-form-card {
        padding: 20px 16px 36px;
    }

    .form-group {
        margin-bottom: 12px;
    }

    .form-group label {
        font-size: 12px;
    }

    .form-group input,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 13px;
    }

    .region-item {
        padding: 8px 12px;
        gap: 10px;
    }

    .region-name {
        font-size: 14px;
    }

    .region-contact {
        font-size: 12px;
    }

    .organizer-item {
        padding: 20px 14px;
        gap: 10px;
    }

    .organizer-name {
        font-size: 14px;
    }

    .organizer-contact {
        font-size: 12px;
    }

    /* ===== 合作入口 CTA ===== */
    .partnership-section {
        padding: 32px 0;
    }

    .partnership-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .partnership-text h2 {
        font-size: 20px;
        margin-bottom: 6px;
    }

    .partnership-text p {
        font-size: 13px;
    }

    .partnership-btns {
        justify-content: center;
        gap: 10px;
    }

    .partnership-contact {
        text-align: center;
        font-size: 12px;
        margin-top: 12px;
    }

    /* ===== 页脚 ===== */
    .footer {
        padding: 32px 0 20px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px 24px;
        margin-bottom: 24px;
    }

    .footer-grid>.footer-brand {
        grid-column: 1 / -1;
        padding-right: 0;
        margin-right: 0;
        margin-bottom: 0;
    }

    .footer-logo img {
        height: 28px;
    }

    .footer-desc {
        font-size: 13px;
    }

    .footer-col::before {
        display: none;
    }

    .footer-col:not(:nth-child(1)):not(:nth-child(2)),
    .footer-col.footer-contact-col {
        padding-left: 0;
        padding-right: 0;
    }

    .footer-col.footer-contact-col {
        margin-left: 0;
    }

    .footer-col h4 {
        font-size: 13px;
        margin-bottom: 14px;
    }

    .footer-col a {
        font-size: 13px;
        padding: 3px 0;
    }

    .footer-qrcodes-inline {
        gap: 20px;
    }

    .footer-qrcode-label {
        font-size: 13px;
        margin-bottom: 14px;
    }

    .footer-qrcode-item img {
        width: 72px;
        height: 72px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 6px;
        text-align: left;
        padding-top: 14px;
        font-size: 12px;
    }

    /* ===== 返回顶部 & 悬浮按钮 ===== */
    .back-to-top {
        right: 12px;
        bottom: 12px;
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .float-register {
        bottom: 60px;
    }

    .float-register .btn {
        padding: 8px 14px;
        font-size: 12px;
    }

    /* ===== 内页通用 ===== */
    .page-header {
        padding-top: calc(var(--header-height) + 24px);
        padding-bottom: 24px;
    }

    .page-header h1 {
        font-size: 22px;
    }

    .page-header p {
        font-size: 13px;
    }

    .page-content {
        padding: 28px 0;
    }

    /* ===== 新闻列表页 ===== */
    .filter-bar {
        gap: 8px;
        margin-bottom: 20px;
    }

    .filter-btn {
        padding: 6px 14px;
        font-size: 13px;
    }

    .news-list {
        gap: 14px;
    }

    .news-list-item {
        padding: 16px;
        border-radius: 10px;
    }

    .news-list-img {
        float: none;
        width: 100%;
        height: 150px;
        margin-right: 0;
        margin-bottom: 12px;
    }

    .news-list-tag {
        font-size: 11px;
        padding: 2px 8px;
        margin-bottom: 6px;
    }

    .news-list-title {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .news-list-desc {
        font-size: 12px;
        margin-bottom: 8px;
    }

    .news-list-date,
    .news-list-more {
        font-size: 12px;
    }

    .news-detail {
        padding: 16px;
        border-radius: 12px;
    }

    .news-detail-title {
        font-size: 19px;
    }

    .news-detail-content {
        font-size: 14px;
        line-height: 1.7;
    }

    /* 分页 */
    .pages {
        margin-top: 28px;
    }

    .pagination {
        gap: 6px;
    }

    .pagination li a,
    .pagination li span {
        width: 34px;
        height: 34px;
        font-size: 13px;
        border-radius: 6px;
    }

    /* ===== 公告列表 ===== */
    .announcement-list {
        gap: 12px;
    }

    .announcement-link {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 16px;
        border-radius: 10px;
    }

    .announcement-date {
        display: flex;
        gap: 8px;
        align-items: baseline;
    }

    .announcement-date .day {
        font-size: 22px;
    }

    .announcement-date .month {
        font-size: 11px;
    }

    .announcement-content {
        width: 100%;
        min-width: 0;
        overflow: hidden;
    }

    .announcement-content h3 {
        font-size: 16px;
        margin-bottom: 4px;
    }

    .announcement-content p {
        font-size: 14px;
    }

    .announcement-tag {
        align-self: flex-start;
    }

    /* ===== 下载列表 ===== */
    .download-list {
        gap: 12px;
    }

    .download-item {
        gap: 12px;
        padding: 14px 16px;
        border-radius: 10px;
    }

    .download-icon {
        width: 38px;
        height: 38px;
        font-size: 17px;
    }

    .download-meta h3 {
        font-size: 14px;
    }

    .download-meta p {
        font-size: 12px;
    }

    /* ===== 作品/视频/图片墙 ===== */
    .works-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .work-info {
        padding: 14px;
    }

    .work-info h3 {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .work-team,
    .work-school {
        font-size: 12px;
    }

    .gallery-grid {
        column-count: 1;
        column-gap: 10px;
    }

    .gallery-item {
        margin-bottom: 10px;
        border-radius: 8px;
    }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .video-card img {
        height: 180px;
    }

    .video-info {
        padding: 14px;
    }

    .video-info h3 {
        font-size: 14px;
    }

    .play-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    /* ===== about 页专属 ===== */
    .about-page-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .about-page-image {
        height: 220px;
    }

    .about-section-title {
        font-size: 20px;
        margin-bottom: 14px;
    }

    .about-text {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 14px;
    }

    .about-subtitle {
        font-size: 17px;
        margin: 20px 0 10px;
    }

    .about-significance-list {
        font-size: 13px;
        line-height: 1.7;
        padding-left: 18px;
    }

    .org-section {
        margin-top: 28px;
    }

    .org-section-title {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .org-card {
        padding: 16px 14px;
        margin-bottom: 12px;
        border-radius: 10px;
    }

    .org-card-title {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .org-note {
        font-size: 13px;
        line-height: 1.6;
    }
}


/* ---------- 小屏手机 ≤640px ---------- */
@media screen and (min-width:0px) and (max-width:640px) {

    /* ===== 全局基础 ===== */
    html {
        font-size: 14px;
    }

    body {
        font-size: 14px;
    }

    .section {
        padding: 28px 0;
    }

    .section-title {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .section-subtitle {
        font-size: 12px;
        margin-bottom: 20px;
    }

    /* ===== 导航 & Header ===== */
    .header {
        padding: 0 12px;
        padding-right: 8px;
        height: 52px;
    }

    .logo img {
        height: 22px;
    }

    .header-right {
        gap: 10px;
    }

    .mobile-nav {
        padding: 0 15px 24px;
        max-width: 85%;
    }

    .mobile-nav .nav-link {
        padding: 12px 10px;
        font-size: 15px;
    }

    /* ===== Hero Banner ===== */
    .hero {
        margin-top: 52px;
        height: 130px;
    }

    .hero-title {
        font-size: 22px;
    }

    .hero-title-line2 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .hero-desc {
        font-size: 12px;
        margin-bottom: 18px;
    }

    .hero-tag {
        font-size: 11px;
        padding: 4px 12px;
        margin-bottom: 14px;
    }

    .hero-btns {
        gap: 8px;
    }

    .btn {
        padding: 8px 18px;
        font-size: 13px;
    }

    .btn-sm {
        padding: 7px 14px;
        font-size: 12px;
    }

    .hero .swiper-pagination {
        bottom: 12px;
    }

    /* ===== 统计/倒计时 ===== */
    .stats-countdown-title {
        font-size: 20px;
        margin-bottom: 14px;
    }

    .stat-big-card {
        padding: 14px 10px;
        min-height: 120px;
    }

    .stat-big-icon {
        width: 32px;
        height: 32px;
        margin-bottom: 6px;
    }

    .stat-big-label {
        font-size: 13px;
        margin-bottom: 4px;
    }

    .stat-big-number {
        font-size: 24px;
    }

    .countdown-flip-num {
        font-size: 30px;
    }

    .countdown-flip-sep {
        font-size: 15px;
    }

    .btn-register {
        font-size: 13px;
        padding: 7px 24px;
    }

    /* ===== 赛题 Tabs ===== */
    .track-tab {
        padding: 8px 0;
        font-size: 15px;
    }

    .track-info {
        padding: 16px 12px;
    }

    .track-name {
        font-size: 18px;
    }

    .track-subtitle {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .track-desc {
        font-size: 13px;
    }

    .track-link {
        margin-top: 16px;
        height: 35px;
        font-size: 14px;
        line-height: 33px;
    }

    .stats-section {
        padding: 0;
    }

    .stats-decor {
        width: 30%;
    }

    .stats-decor img {
        width: 100%;
    }

    .stats-decor-right {
        bottom: -30%;
    }

    /* ===== 时间轴 ===== */
    .timeline-section {
        padding-bottom: 0;
    }

    .timeline-wrapper {
        gap: 12px;
    }

    .timeline-item {
        gap: 12px;
    }

    .timeline-dot {
        width: 36px;
        height: 36px;
        font-size: 12px;
        border-width: 2px;
    }

    .timeline-content {
        min-height: 80px;
        padding: 12px;
    }

    .timeline-date {
        font-size: 11px;
    }

    .timeline-title {
        font-size: 13px;
    }

    .timeline-desc {
        font-size: 10px;
    }


    /* ===== 关于赛事 ===== */
    .about-inner {
        gap: 20px;
    }

    .about-content h2 {
        font-size: 20px;
        margin-bottom: 6px;
    }

    .about-content .subtitle {
        font-size: 14px;
        margin-bottom: 14px;
    }

    .about-content p {
        font-size: 13px;
        margin-bottom: 10px;
    }


    /* ===== 奖金权益 ===== */
    .prize-award-grid {
        gap: 8px;
    }

    .prize-award-item {
        padding: 16px 12px;
    }

    .prize-award-img {
        width: 60px;
        height: 60px;
        margin-bottom: 8px;
    }

    .prize-award-name {
        font-size: 15px;
    }

    .prize-award-bonus {
        font-size: 15px;
    }

    .prize-award-detail {
        font-size: 10px;
    }

    /* ===== 专家展示 ===== */
    .experts-section .section-title {
        margin-bottom: 15px;
    }

    .experts-swiper {
        padding: 0 30px;
    }

    /* ===== 资讯 ===== */
    .news-featured {
        min-height: 190px;
    }

    .news-featured-img {
        min-height: 190px;
    }

    .news-featured-content {
        padding: 16px 12px;
    }

    .news-featured-title {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .news-grid .news-list {
        gap: 10px;
    }

    .news-item {
        padding: 10px;
        gap: 10px;
    }

    .news-item-img {
        width: 95px;
        height: 72px;
    }

    .news-item-title {
        font-size: 13px;
        margin-bottom: 8px;
    }

    .news-item-date {
        font-size: 11px;
    }

    /* ===== 新闻列表页 ===== */
    .news-list {
        gap: 12px;
    }

    .news-list-item {
        padding: 12px;
        border-radius: 8px;
    }

    .news-list-img {
        width: 100%;
        height: auto;
        margin-bottom: 10px;
    }

    .news-list-tag {
        font-size: 10px;
        padding: 2px 7px;
        margin-bottom: 5px;
    }

    .news-list-title {
        font-size: 14px;
        margin-bottom: 5px;
    }

    .news-list-desc {
        font-size: 12px;
        margin-bottom: 6px;
    }

    .news-list-meta {
        flex-wrap: wrap;
        gap: 4px;
    }

    .news-list-info {
        min-height: inherit;
        min-height: initial;
    }

    .news-list-date,
    .news-list-more {
        font-size: 12px;
    }

    .news-detail {
        padding: 12px;
        padding-bottom: 20px;
        border-radius: 10px;
    }

    .news-detail-title {
        font-size: 17px;
    }

    .news-detail-footer {
        padding-top: 20px;
    }

    /* ===== 联系我们 ===== */
    .contact-grid {
        gap: 18px;
    }

    .contact-info h3,
    .contact-form-card h3 {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .contact-form-card {
        padding: 16px 12px 30px;
    }

    .form-group {
        margin-bottom: 10px;
    }

    .form-group label {
        font-size: 11px;
    }

    .form-group input,
    .form-group textarea {
        padding: 9px 10px;
        font-size: 12px;
    }

    .region-item {
        padding: 7px 10px;
        gap: 8px;
    }

    .region-name {
        font-size: 14px;
    }

    .region-contact {
        font-size: 12px;
    }

    .organizer-item {
        padding: 16px 12px;
        gap: 8px;
    }

    .organizer-name {
        font-size: 14px;
    }

    .organizer-contact {
        font-size: 12px;
    }

    /* ===== 合作入口 CTA ===== */
    .partnership-section {
        padding: 26px 0;
    }

    .partnership-text h2 {
        font-size: 18px;
        margin-bottom: 5px;
    }

    .partnership-text p {
        font-size: 12px;
    }

    .partnership-btns {
        gap: 8px;
    }

    .partnership-contact {
        font-size: 11px;
        margin-top: 10px;
    }

    /* ===== 页脚 ===== */
    .footer {
        padding: 24px 0 16px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 18px;
    }

    .footer-grid>.footer-brand {
        margin-bottom: 0;
    }

    .footer-logo {
        display: block;
        text-align: center;
    }

    .footer-logo img {
        margin: 0 auto;
        height: 24px;
    }

    .footer-desc {
        max-width: 100%;
        font-size: 12px;
    }

    .footer-col {
        margin-left: 0;
    }

    .footer-col h4 {
        font-size: 14px;
        margin-bottom: 5px;
    }

    .footer-col a {
        font-size: 12px;
        padding: 2px 0;
    }

    .footer-qrcodes-inline {
        gap: 16px;
    }

    .footer-qrcode-label {
        font-size: 14px;
        margin-bottom: 5px;
    }

    .footer-qrcode-item img {
        width: 64px;
        height: 64px;
    }

    .footer-region-item {
        font-size: 12px;
    }

    .footer-organizer {
        font-size: 12px;
    }

    .footer-bottom {
        padding-top: 12px;
        gap: 4px;
        font-size: 12px;
    }

    /* ===== 返回顶部 & 悬浮按钮 ===== */
    .back-to-top {
        right: 8px;
        bottom: 8px;
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .float-register {
        right: 8px;
        bottom: 52px;
    }

    .float-register .btn {
        padding: 7px 12px;
        font-size: 12px;
        white-space: nowrap;
    }

    /* ===== 内页通用 ===== */
    .page-header {
        padding-top: calc(var(--header-height) + 5px);
        padding-bottom: 18px;
    }

    .page-header h1 {
        font-size: 20px;
    }

    .page-header p {
        font-size: 12px;
    }

    .page-content {
        padding: 22px 0;
    }

    /* ===== 分页 ===== */
    .pages {
        margin-top: 22px;
    }

    .pagination {
        gap: 5px;
    }

    .pagination li a,
    .pagination li span {
        width: 30px;
        height: 30px;
        font-size: 12px;
        border-radius: 5px;
    }

    /* ===== 公告列表 ===== */
    .btn-tag {
        padding: 4px 12px;
    }

    .announcement-list {
        gap: 10px;
    }

    .announcement-link {
        padding: 12px;
        border-radius: 8px;
        gap: 8px;
    }

    .announcement-date .day {
        font-size: 20px;
    }

    .announcement-date .month {
        font-size: 10px;
    }

    .announcement-content h3 {
        font-size: 14px;
        margin-bottom: 3px;
    }

    .announcement-content p {
        font-size: 12px;
    }

    /* ===== 下载列表 ===== */
    .download-list {
        gap: 10px;
    }

    .download-item {
        flex-direction: row;
        align-items: center;
        gap: 8px;
        padding: 12px 14px;
        border-radius: 8px;
    }

    .download-info {
        flex: 1;
        min-width: 0;
        gap: 8px;
    }

    .download-icon {
        width: 30px;
        height: 30px;
        border-radius: 5px;
        font-size: 14px;
        flex-shrink: 0;
    }
    .download-icon  img{
        max-width: 90%;
    }

    .download-meta h3 {
        font-size: 14px;
    }

    .download-meta p {
        font-size: 12px;
    }

    .download-item .btn {
        flex-shrink: 0;
        padding: 6px 12px;
        font-size: 12px;
        white-space: nowrap;
    }

    /* ===== 作品/视频/图片墙 ===== */
    .works-grid {
        gap: 10px;
    }

    .work-info {
        padding: 12px;
    }

    .work-info h3 {
        font-size: 13px;
        margin-bottom: 5px;
    }

    .work-team,
    .work-school {
        font-size: 11px;
    }

    .gallery-grid {
        column-gap: 8px;
    }

    .gallery-item {
        margin-bottom: 8px;
        border-radius: 6px;
    }

    .video-grid {
        gap: 10px;
    }

    .video-card img {
        height: 160px;
    }

    .video-info {
        padding: 12px;
    }

    .video-info h3 {
        font-size: 13px;
    }

    .play-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    /* ===== about 页专属 ===== */
    .about-page-image {
        height: auto;
    }

    .about-section-title {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .about-text {
        font-size: 13px;
        line-height: 1.65;
        margin-bottom: 12px;
    }

    .about-subtitle {
        font-size: 16px;
        margin: 16px 0 8px;
    }

    .about-significance-list {
        font-size: 12px;
        line-height: 1.65;
        padding-left: 16px;
    }

    .org-section {
        margin-top: 22px;
    }

    .org-section-title {
        font-size: 18px;
        margin-bottom: 16px;
    }

    .org-card {
        padding: 14px 12px;
        margin-bottom: 10px;
        border-radius: 8px;
    }

    .org-card-title {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .org-list {
        margin-bottom: 5px;
    }

    .org-note {
        font-size: 13px;
        line-height: 1.55;
    }
    .nodata-section3 p{
        margin-top: 10px;
        font-size: 14px;
    }
    .nodata-section3 img{
        max-width: 90%;
    }
}

/* ==================== 搜索页面 ==================== */

/* ==================== Element UI 弹窗定制 ==================== */
.partnership-dialog {
    border-radius: 12px !important;
    overflow: hidden;
}

.partnership-dialog .el-message-box__header {
    padding: 20px 24px 16px;
    background: linear-gradient(135deg, #E8F5E9 0%, #E0F7FA 100%);
}

.partnership-dialog .el-message-box__title {
    font-size: 18px !important;
    font-weight: 700 !important;
    color: var(--text-dark) !important;
}

.partnership-dialog .el-message-box__content {
    padding: 24px 24px 20px;
}

.partnership-dialog .el-message-box__message {
    font-size: 15px !important;
    color: #555 !important;
    line-height: 1.8 !important;
}

.partnership-dialog .el-message-box__message br {
    display: block;
    content: "";
    margin-bottom: 4px;
}

.partnership-dialog .el-message-box__btns {
    padding: 12px 24px 20px;
}

.partnership-dialog .el-button--default {
    background: #1565C0 !important;
    border-color: #1565C0!important;
    color: #fff !important;
    border-radius: 6px !important;
    padding: 10px 28px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
}

.partnership-dialog .el-button--default:hover {
    background:  #0D47A1 !important;
    border-color:  #0D47A1 !important;
}
/* 搜索结果区域（包含搜索框） */
.search-results {
    padding-bottom: 40px;
    background: var(--white);
    overflow: hidden;
    box-shadow: 0 2px 12px var(--shadow-color);
}

/* 搜索框容器 */
.search-box-wrapper {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-gray);
}

.search-form {
    width: 100%;
}

/* 搜索输入组：输入框 + 按钮 */
.search-input-group {
    display: flex;
    gap: 0;
    max-width: 680px;
    width: 100%;
    border-radius: 10px;
}

.search-input {
    flex: 1;
    height: 48px;
    padding: 0 20px;
    border: 1px solid var(--border-gray);
    border-right: none;
    border-radius:8px 0 0 8px;
    font-size: 15px;
    color: var(--text-dark);
    background: var(--white);
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.search-input::placeholder {
    color: var(--medium-gray);
}

.search-input:focus {
    border-color:var(--primary-green);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.15);
}

.search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 36px;
    height: 48px;
    background: var(--primary-green);
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-family: inherit;
}


/* 结果统计信息栏 */
.search-result-info {
    margin: 30px 30px;
    padding: 18px 28px;
    font-size: 15px;
    color: var(--text-dark);
    border-radius: 8px;
    background: var(--light-cyan);
    border-left: 4px solid var(--primary-green);
}

.search-result-info strong {
    color: var(--primary-green);
    font-weight: 700;
    margin: 0 4px;
}

/* 关键词高亮 */
.highlight-keyword {
    color: var(--primary-green);
    font-weight: 700;
}

/* 搜索结果列表 */
.search-list {
    list-style: none;
    margin: 0 30px;
    padding: 0;
}

.search-item {
    border-bottom: 1px solid var(--border-gray);
    transition: var(--transition);
}

.search-item-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px 0;
    text-decoration: none;
    color: inherit;
}

.search-item-link:hover .item-title {
    color: var(--primary-green);
}

/* 无详情页的搜索结果：禁用点击与悬停高亮 */
.search-item-disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.search-item-disabled:hover .item-title,
.search-item:hover .search-item-disabled .item-title {
    color: inherit;
}

.search-item:has(.search-item-disabled):hover .item-dot {
    background: #B0BEC5;
    box-shadow: none;
}

/* 列表项圆点 */
.item-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #B0BEC5;
    flex-shrink: 0;
    transition: var(--transition);
}

.search-item:hover .item-dot {
    background: var(--primary-green);
    box-shadow: 0 0 0 4px rgba(0, 200, 83, 0.15);
}

/* 列表项标题 */
.item-title {
    flex: 1;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.5;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: var(--transition);
}

.item-title .highlight-keyword {
    color: var(--primary-green);
    font-weight: 700;
}

/* 列表项日期 */
.item-date {
    flex-shrink: 0;
    font-size: 14px;
    color: var(--medium-gray);
}

/* ========== 搜索页面响应式 ========== */

/* 平板端 ≤1023px */
@media screen and (max-width:1023px) {
    .search-input-group {
        max-width: 100%;
    }

    .search-btn {
        padding: 0 28px;
        font-size: 15px;
    }

    .search-box-wrapper {
        padding: 20px 20px;
    }

    .search-result-info {
        padding: 14px 20px;
        font-size: 14px;
    }

    .search-item-link {
        padding: 14px 20px;
        gap: 12px;
    }

    .item-title {
        font-size: 15px;
    }
}

/* 手机端 ≤768px */
@media screen and (max-width:768px) {
    .search-section {
        margin-bottom: 24px;
    }

    .search-box-wrapper {
        padding: 16px 16px;
    }

    .search-input {
        height: 44px;
        padding: 0 14px;
        font-size: 14px;
    }

    .search-btn {
        height: 44px;
        padding: 0 22px;
        font-size: 14px;
    }

    .search-results {
        border-radius: 0;
    }

    .search-result-info {
        margin: 20px 20px;
        margin-bottom: 10px;
        padding: 12px 16px;
        font-size: 13px;
        border-left-width: 3px;
    }
    .search-list{
        margin: 0 20px;
    }

    .search-item-link {
        padding: 12px 0;
        gap: 10px;
    }

    .item-title {
        font-size: 14px;
    }
}

/* 小屏手机 ≤640px */
@media screen and (max-width:640px) {
    /* ===== Element UI 弹窗适配 ===== */
    .partnership-dialog {
        width: 88% !important;
        max-width: 320px !important;
    }

    .partnership-dialog .el-message-box__header {
        padding: 16px 18px 12px;
    }

    .partnership-dialog .el-message-box__title {
        font-size: 16px !important;
    }

    .partnership-dialog .el-message-box__content {
        padding: 18px 18px 16px;
    }

    .partnership-dialog .el-message-box__message {
        font-size: 13px !important;
        line-height: 1.7 !important;
    }

    .partnership-dialog .el-message-box__btns {
        padding: 10px 18px 16px;
    }

    .partnership-dialog .el-button--default {
        padding: 8px 22px !important;
        font-size: 13px !important;
    }

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

    .search-box-wrapper {
        padding: 12px 14px;
    }

    /* 搜索框保持并排布局 */
    .search-input-group {
        flex-direction: row;
        gap: 0;
    }

    .search-input {
        height: 40px;
        border-right: none;
        border-radius: 5px 0 0 5px;
        font-size: 13px;
        padding: 0 12px;
    }

    .search-btn {
        height: 40px;
        border-radius: 0 5px 5px 0;
        font-size: 13px;
        padding: 0 16px;
    }

    .search-result-info {
        margin: 14px 14px 10px;
        padding: 10px 14px;
        font-size: 13px;
    }

    .search-list {
        margin: 0 14px;
    }

    /* 搜索结果项保持并排，不换行 */
    .search-item-link {
        padding: 10px 0;
        gap: 8px;
        flex-wrap: nowrap;
    }

    /* 标题保持一行截取 */
    .item-title {
        font-size: 14px;
        display: block;
    }

    .item-date {
        flex-shrink: 0;
        font-size: 12px;
    }
}