/* ============================================
   每日大赛官网 (MRDS Official) - 主样式表
   版本: 3.0
   CSS前缀: mrds-
   ============================================ */

/* --- Google Fonts 导入 --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* --- CSS 变量 --- */
:root {
    --mrds-primary: #0052FF;
    --mrds-primary-dark: #003FCC;
    --mrds-white: #FFFFFF;
    --mrds-gold: #FFC700;
    --mrds-gold-dark: #E0AF00;
    --mrds-text: #0B1A33;
    --mrds-text-light: #4A5568;
    --mrds-link: #0052FF;
    --mrds-bg-light: #F7F9FC;
    --mrds-bg-dark: #0B1A33;
    --mrds-border: #E2E8F0;
    --mrds-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --mrds-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --mrds-radius: 8px;
    --mrds-radius-lg: 16px;
    --mrds-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 全局重置 --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: "Noto Sans SC", sans-serif;
    color: var(--mrds-text);
    background-color: var(--mrds-white);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--mrds-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    line-height: 1.3;
    color: var(--mrds-text);
}

/* --- 干扰标签隐藏 --- */
.official-jammer-block {
    display: none;
}

/* --- 容器 --- */
.mrds-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- 导航栏 --- */
#mrds-header {
    width: 100%;
    background: var(--mrds-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    z-index: 1000;
    position: relative;
}

.mrds-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.mrds-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mrds-logo img {
    height: 42px;
    width: auto;
}

.mrds-logo-text {
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--mrds-text);
}

.mrds-logo-text span {
    color: var(--mrds-gold);
}

.mrds-nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.mrds-nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--mrds-text);
    position: relative;
    padding: 6px 0;
}

.mrds-nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--mrds-primary);
    transition: var(--mrds-transition);
}

.mrds-nav-links a:hover {
    color: var(--mrds-primary);
}

.mrds-nav-links a:hover::after {
    width: 100%;
}

.mrds-nav-links a.mrds-active {
    color: var(--mrds-primary);
}

.mrds-nav-links a.mrds-active::after {
    width: 100%;
}

/* 汉堡菜单 */
.mrds-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    z-index: 1100;
}

.mrds-hamburger span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--mrds-text);
    border-radius: 2px;
    transition: var(--mrds-transition);
}

.mrds-hamburger.mrds-open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.mrds-hamburger.mrds-open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* 移动端菜单 */
.mrds-mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    z-index: 1050;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.mrds-mobile-menu.mrds-show {
    display: flex;
}

.mrds-mobile-menu a {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--mrds-text);
}

.mrds-mobile-menu a:hover {
    color: var(--mrds-primary);
}

/* --- Hero 区域 --- */
.mrds-hero {
    position: relative;
    height: 600px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mrds-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.mrds-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 82, 255, 0.7) 0%, rgba(11, 26, 51, 0.8) 100%);
    z-index: 2;
}

.mrds-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--mrds-white);
    padding: 0 20px;
}

.mrds-hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--mrds-white);
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.mrds-hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- 通用按钮 --- */
.mrds-btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: var(--mrds-radius);
    font-family: "Montserrat", sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--mrds-transition);
    border: none;
    text-align: center;
}

.mrds-btn-primary {
    background: linear-gradient(135deg, var(--mrds-primary), var(--mrds-primary-dark));
    color: var(--mrds-white);
    box-shadow: 0 4px 15px rgba(0, 82, 255, 0.3);
}

.mrds-btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(0, 82, 255, 0.4);
    color: var(--mrds-white);
}

.mrds-btn-gold {
    background: linear-gradient(135deg, var(--mrds-gold), var(--mrds-gold-dark));
    color: var(--mrds-text);
    box-shadow: 0 4px 15px rgba(255, 199, 0, 0.3);
}

.mrds-btn-gold:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(255, 199, 0, 0.4);
    color: var(--mrds-text);
}

.mrds-btn-outline {
    background: transparent;
    color: var(--mrds-white);
    border: 2px solid var(--mrds-white);
}

.mrds-btn-outline:hover {
    background: var(--mrds-white);
    color: var(--mrds-primary);
    transform: scale(1.05);
}

/* --- 通用区块 --- */
.mrds-section {
    padding: 80px 0;
}

.mrds-section-alt {
    background: var(--mrds-bg-light);
}

.mrds-section-dark {
    background: var(--mrds-bg-dark);
    color: var(--mrds-white);
}

.mrds-section-dark h2,
.mrds-section-dark h3 {
    color: var(--mrds-white);
}

.mrds-section-header {
    text-align: center;
    margin-bottom: 48px;
}

.mrds-section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.mrds-section-header p {
    font-size: 1.05rem;
    color: var(--mrds-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.mrds-section-dark .mrds-section-header p {
    color: rgba(255, 255, 255, 0.7);
}

.mrds-gold-line {
    width: 60px;
    height: 4px;
    background: var(--mrds-gold);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* --- 官方公告模块 --- */
.mrds-announcements {
    background: var(--mrds-white);
}

.mrds-announce-list {
    max-width: 800px;
    margin: 0 auto;
}

.mrds-announce-item {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--mrds-border);
    transition: var(--mrds-transition);
}

.mrds-announce-item:hover {
    background: var(--mrds-bg-light);
}

.mrds-announce-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-right: 16px;
    white-space: nowrap;
}

.mrds-tag-new {
    background: var(--mrds-primary);
    color: var(--mrds-white);
}

.mrds-tag-award {
    background: var(--mrds-gold);
    color: var(--mrds-text);
}

.mrds-tag-notice {
    background: #E2E8F0;
    color: var(--mrds-text);
}

.mrds-announce-text {
    flex: 1;
    font-size: 0.95rem;
}

.mrds-announce-date {
    font-size: 0.85rem;
    color: var(--mrds-text-light);
    margin-left: 16px;
    white-space: nowrap;
}

/* --- 赛事日历模块 --- */
.mrds-calendar {
    background: var(--mrds-bg-light);
}

.mrds-calendar-wrapper {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.mrds-calendar-img {
    flex: 1;
    border-radius: var(--mrds-radius-lg);
    overflow: hidden;
    box-shadow: var(--mrds-shadow-lg);
}

.mrds-calendar-info {
    flex: 1;
}

.mrds-event-list {
    list-style: none;
}

.mrds-event-item {
    display: flex;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--mrds-border);
}

.mrds-event-date-box {
    width: 60px;
    height: 60px;
    background: var(--mrds-primary);
    color: var(--mrds-white);
    border-radius: var(--mrds-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    flex-shrink: 0;
}

.mrds-event-date-box .mrds-day {
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1;
    font-family: "Montserrat", sans-serif;
}

.mrds-event-date-box .mrds-month {
    font-size: 0.7rem;
    text-transform: uppercase;
}

.mrds-event-detail h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.mrds-event-detail p {
    font-size: 0.85rem;
    color: var(--mrds-text-light);
}

/* --- 报名通道模块 --- */
.mrds-registration {
    position: relative;
    padding: 100px 0;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.mrds-registration-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 82, 255, 0.85), rgba(11, 26, 51, 0.9));
}

.mrds-registration-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--mrds-white);
}

.mrds-registration-content h2 {
    font-size: 2.5rem;
    color: var(--mrds-white);
    margin-bottom: 16px;
}

.mrds-registration-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.mrds-countdown {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
}

.mrds-countdown-item {
    text-align: center;
}

.mrds-countdown-num {
    display: block;
    font-family: "Montserrat", sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--mrds-gold);
    line-height: 1;
}

.mrds-countdown-label {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 4px;
}

/* --- 视频上传模块 --- */
.mrds-upload {
    background: var(--mrds-white);
}

.mrds-upload-wrapper {
    display: flex;
    gap: 40px;
    align-items: center;
}

.mrds-upload-area {
    flex: 1;
    border: 3px dashed var(--mrds-border);
    border-radius: var(--mrds-radius-lg);
    padding: 60px 40px;
    text-align: center;
    transition: var(--mrds-transition);
    cursor: pointer;
}

.mrds-upload-area:hover {
    border-color: var(--mrds-primary);
    background: rgba(0, 82, 255, 0.03);
}

.mrds-upload-icon {
    font-size: 3rem;
    color: var(--mrds-primary);
    margin-bottom: 16px;
}

.mrds-upload-area h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.mrds-upload-area p {
    color: var(--mrds-text-light);
    font-size: 0.9rem;
}

.mrds-upload-img {
    flex: 1;
    border-radius: var(--mrds-radius-lg);
    overflow: hidden;
    box-shadow: var(--mrds-shadow-lg);
}

/* --- 评委介绍模块 --- */
.mrds-judges {
    background: var(--mrds-bg-light);
}

.mrds-judges-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.mrds-judge-card {
    background: var(--mrds-white);
    border-radius: var(--mrds-radius-lg);
    overflow: hidden;
    box-shadow: var(--mrds-shadow);
    transition: var(--mrds-transition);
}

.mrds-judge-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--mrds-shadow-lg);
}

.mrds-judge-img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.mrds-judge-info {
    padding: 24px;
    text-align: center;
}

.mrds-judge-info h3 {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.mrds-judge-info .mrds-judge-title {
    font-size: 0.85rem;
    color: var(--mrds-primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.mrds-judge-info p {
    font-size: 0.9rem;
    color: var(--mrds-text-light);
}

/* --- 荣誉殿堂模块 --- */
.mrds-hall-of-fame {
    background: var(--mrds-bg-dark);
    color: var(--mrds-white);
}

.mrds-hall-img {
    border-radius: var(--mrds-radius-lg);
    overflow: hidden;
    box-shadow: var(--mrds-shadow-lg);
    margin-bottom: 32px;
}

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

.mrds-winner-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--mrds-radius);
    padding: 24px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--mrds-transition);
}

.mrds-winner-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.mrds-winner-rank {
    font-family: "Montserrat", sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--mrds-gold);
    margin-bottom: 8px;
}

.mrds-winner-card h4 {
    color: var(--mrds-white);
    font-size: 1rem;
    margin-bottom: 4px;
}

.mrds-winner-card p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* --- 官方会员模块 --- */
.mrds-membership {
    background: var(--mrds-white);
}

.mrds-membership-wrapper {
    display: flex;
    gap: 40px;
    align-items: center;
}

.mrds-membership-img {
    flex: 1;
    border-radius: var(--mrds-radius-lg);
    overflow: hidden;
}

.mrds-membership-content {
    flex: 1;
}

.mrds-membership-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.mrds-perk-list {
    list-style: none;
    margin: 24px 0;
}

.mrds-perk-list li {
    padding: 10px 0;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.mrds-perk-icon {
    width: 28px;
    height: 28px;
    background: var(--mrds-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.8rem;
}

/* --- 媒体合作模块 --- */
.mrds-media {
    background: var(--mrds-bg-light);
}

.mrds-media-img {
    border-radius: var(--mrds-radius-lg);
    overflow: hidden;
    box-shadow: var(--mrds-shadow);
    max-width: 900px;
    margin: 0 auto;
}

/* --- APP下载模块 --- */
.mrds-app-section {
    background: var(--mrds-white);
}

.mrds-app-wrapper {
    display: flex;
    gap: 60px;
    align-items: center;
}

.mrds-app-mockup {
    flex: 0 0 300px;
    max-width: 300px;
}

.mrds-app-mockup img {
    border-radius: 32px;
    box-shadow: var(--mrds-shadow-lg);
}

.mrds-app-info {
    flex: 1;
}

.mrds-app-info h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.mrds-app-info p {
    font-size: 1.05rem;
    color: var(--mrds-text-light);
    margin-bottom: 32px;
}

.mrds-qr-row {
    display: flex;
    gap: 32px;
}

.mrds-qr-item {
    text-align: center;
}

.mrds-qr-item img {
    width: 160px;
    height: 160px;
    border-radius: var(--mrds-radius);
    margin-bottom: 8px;
}

.mrds-qr-item span {
    font-size: 0.9rem;
    font-weight: 600;
}

/* --- 赛事章程模块 --- */
.mrds-charter {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 100px 0;
}

.mrds-charter-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(11, 26, 51, 0.92), rgba(0, 82, 255, 0.85));
}

.mrds-charter-content {
    position: relative;
    z-index: 2;
    color: var(--mrds-white);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.mrds-charter-content h2 {
    color: var(--mrds-white);
    font-size: 2.2rem;
    margin-bottom: 24px;
}

.mrds-charter-content p {
    font-size: 1.05rem;
    line-height: 2;
    opacity: 0.9;
    margin-bottom: 16px;
}

.mrds-charter-values {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.mrds-value-item {
    text-align: center;
}

.mrds-value-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 199, 0, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 1.5rem;
}

.mrds-value-item h4 {
    color: var(--mrds-gold);
    font-size: 1rem;
}

/* --- 页脚 --- */
#mrds-footer {
    background: var(--mrds-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.mrds-footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mrds-footer-col h3 {
    color: var(--mrds-white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.mrds-footer-links {
    list-style: none;
}

.mrds-footer-links li {
    margin-bottom: 10px;
}

.mrds-footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.mrds-footer-links a:hover {
    color: var(--mrds-gold);
}

.mrds-social-links {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.mrds-social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mrds-white);
    font-size: 1rem;
    transition: var(--mrds-transition);
}

.mrds-social-link:hover {
    background: var(--mrds-primary);
    color: var(--mrds-white);
}

.mrds-footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
}

.mrds-footer-cert {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.5);
}

/* --- 内页横幅 --- */
.mrds-page-banner {
    position: relative;
    height: 320px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mrds-page-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mrds-page-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 82, 255, 0.8), rgba(11, 26, 51, 0.85));
}

.mrds-page-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--mrds-white);
}

.mrds-page-banner-content h1 {
    font-size: 2.5rem;
    color: var(--mrds-white);
    margin-bottom: 8px;
}

.mrds-page-banner-content p {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* --- 内页内容 --- */
.mrds-page-content {
    padding: 60px 0;
}

.mrds-content-block {
    max-width: 900px;
    margin: 0 auto;
}

.mrds-content-block h2 {
    font-size: 1.8rem;
    margin: 40px 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--mrds-gold);
}

.mrds-content-block h3 {
    font-size: 1.4rem;
    margin: 32px 0 12px;
    color: var(--mrds-primary);
}

.mrds-content-block p {
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.9;
}

.mrds-content-block ul,
.mrds-content-block ol {
    margin: 16px 0;
    padding-left: 24px;
}

.mrds-content-block li {
    margin-bottom: 8px;
    line-height: 1.8;
}

.mrds-content-img {
    border-radius: var(--mrds-radius-lg);
    overflow: hidden;
    margin: 32px 0;
    box-shadow: var(--mrds-shadow);
}

/* --- APP下载页面 --- */
.mrds-app-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0B1A33 0%, #001845 50%, #0052FF 100%);
    position: relative;
    overflow: hidden;
}

.mrds-app-page-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.mrds-app-page-content {
    position: relative;
    z-index: 2;
    padding: 80px 0;
}

.mrds-app-hero-section {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}

.mrds-app-hero-text {
    flex: 1;
    color: var(--mrds-white);
}

.mrds-app-hero-text h1 {
    font-size: 2.8rem;
    color: var(--mrds-white);
    margin-bottom: 16px;
}

.mrds-app-hero-text h1 span {
    color: var(--mrds-gold);
}

.mrds-app-hero-text p {
    font-size: 1.15rem;
    opacity: 0.85;
    margin-bottom: 40px;
    line-height: 1.8;
}

.mrds-app-hero-mockup {
    flex: 0 0 320px;
}

.mrds-app-hero-mockup img {
    border-radius: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.mrds-app-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 80px;
}

.mrds-app-feature-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--mrds-radius-lg);
    padding: 32px;
    text-align: center;
    color: var(--mrds-white);
    transition: var(--mrds-transition);
}

.mrds-app-feature-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.mrds-app-feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.mrds-app-feature-card h3 {
    color: var(--mrds-white);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.mrds-app-feature-card p {
    font-size: 0.9rem;
    opacity: 0.7;
}

.mrds-app-download-section {
    text-align: center;
    color: var(--mrds-white);
}

.mrds-app-download-section h2 {
    color: var(--mrds-white);
    font-size: 2rem;
    margin-bottom: 32px;
}

/* --- 表格样式 --- */
.mrds-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    border-radius: var(--mrds-radius);
    overflow: hidden;
}

.mrds-table th {
    background: var(--mrds-primary);
    color: var(--mrds-white);
    padding: 14px 20px;
    text-align: left;
    font-weight: 600;
}

.mrds-table td {
    padding: 12px 20px;
    border-bottom: 1px solid var(--mrds-border);
}

.mrds-table tr:hover td {
    background: var(--mrds-bg-light);
}

/* --- 响应式设计 --- */
@media (max-width: 1440px) {
    .mrds-container {
        max-width: 1100px;
    }
}

@media (max-width: 1024px) {
    .mrds-container {
        max-width: 960px;
    }

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

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

    .mrds-app-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .mrds-hero-content h1 {
        font-size: 2.4rem;
    }
}

@media (max-width: 768px) {
    .mrds-nav-links {
        display: none;
    }

    .mrds-hamburger {
        display: flex;
    }

    .mrds-hero {
        height: 480px;
    }

    .mrds-hero-content h1 {
        font-size: 2rem;
    }

    .mrds-hero-content p {
        font-size: 1rem;
    }

    .mrds-section {
        padding: 60px 0;
    }

    .mrds-section-header h2 {
        font-size: 1.8rem;
    }

    .mrds-calendar-wrapper,
    .mrds-upload-wrapper,
    .mrds-membership-wrapper,
    .mrds-app-wrapper,
    .mrds-app-hero-section {
        flex-direction: column;
    }

    .mrds-app-mockup,
    .mrds-app-hero-mockup {
        flex: none;
        max-width: 240px;
        margin: 0 auto;
    }

    .mrds-judges-grid {
        grid-template-columns: 1fr;
    }

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

    .mrds-footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .mrds-countdown {
        gap: 16px;
    }

    .mrds-countdown-num {
        font-size: 2rem;
    }

    .mrds-charter-values {
        flex-direction: column;
        gap: 24px;
    }

    .mrds-page-banner {
        height: 240px;
    }

    .mrds-page-banner-content h1 {
        font-size: 1.8rem;
    }

    .mrds-qr-row {
        flex-direction: column;
        align-items: center;
    }

    .mrds-app-features {
        grid-template-columns: 1fr;
    }

    .mrds-app-hero-text h1 {
        font-size: 2rem;
    }
}

@media (max-width: 360px) {
    html {
        font-size: 14px;
    }

    .mrds-hero {
        height: 400px;
    }

    .mrds-hero-content h1 {
        font-size: 1.6rem;
    }

    .mrds-nav-inner {
        height: 60px;
    }

    .mrds-countdown-num {
        font-size: 1.6rem;
    }
}