:root { 
    --primary: #e02e24; 
    --primary-light: #ff574d; 
    --accent: #ff7700; 
    --bg: #f7f8fa; 
    --text: #333; 
    --gray: #666; 
}
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; 
}
body { 
    background-color: var(--bg); 
    color: var(--text); 
    line-height: 1.6; 
}
.container { 
    max-width: 720px; 
    margin: 0 auto; 
    background: #fff; 
    min-height: 100vh; 
    padding-bottom: 70px; 
    box-shadow: 0 0 15px rgba(0,0,0,0.05); 
}


.top-bar { 
    background: linear-gradient(135deg, var(--primary), var(--primary-light)); 
    color: #fff; 
    padding: 12px 16px; 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    position: sticky; 
    top: 0; 
    z-index: 100; 
}
.brand { 
    font-size: 17px; 
    font-weight: 700; 
    display: flex; 
    align-items: center; 
    gap: 6px; 
}
.badge { 
    background: rgba(255,255,255,0.2); 
    font-size: 11px; 
    padding: 2px 8px; 
    border-radius: 10px; 
}


.hero { 
    background: linear-gradient(180deg, var(--primary-light) 0%, #fff 100%); 
    padding: 24px 16px 16px; 
    text-align: center; 
}
.hero h1 { 
    font-size: 20px; 
    color: #fff; 
    text-shadow: 0 1px 3px rgba(0,0,0,0.2); 
    margin-bottom: 8px; 
    font-weight: 800; 
}
.hero-desc { 
    font-size: 20px; 
    font-weight: 800; 
    color: #fff; 
    text-shadow: 0 1px 3px rgba(0,0,0,0.2); 
    margin-bottom: 18px; 
    line-height: 1.4; 
}


.action-box { 
    background: #fff; 
    border-radius: 12px; 
    padding: 16px; 
    box-shadow: 0 4px 16px rgba(224, 46, 36, 0.15); 
    border: 1px solid #ffebeb; 
    margin-bottom: 12px; 
}
.btn-group { 
    display: flex; 
    flex-direction: column; 
    gap: 10px; 
}
.btn-entry { 
    min-height: 52px;
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    padding: 12px 16px; 
    border-radius: 8px; 
    text-decoration: none; 
    font-size: 15px; 
    font-weight: 700; 
    transition: transform 0.2s, box-shadow 0.2s; 
}
.btn-entry:active { 
    transform: scale(0.98); 
}
.btn-primary-1 { 
    background: linear-gradient(90deg, #e02e24, #ff574d); 
    color: #fff; 
    box-shadow: 0 4px 12px rgba(224, 46, 36, 0.3); 
}
.btn-primary-2 { 
    background: linear-gradient(90deg, #ff7700, #ffa033); 
    color: #fff; 
    box-shadow: 0 4px 12px rgba(255, 119, 0, 0.3); 
}
.btn-sub { 
    font-size: 11px; 
    font-weight: normal; 
    opacity: 0.9; 
    margin-left: 4px; 
    white-space: nowrap;
}


.features-grid { 
    display: grid; 
    grid-template-columns: repeat(4, 1fr); 
    gap: 8px; 
    margin-top: 14px; 
    text-align: center; 
}
.feat-item { 
    background: #fff8f8; 
    border-radius: 6px; 
    padding: 8px 4px; 
    border: 1px dashed #ffd5d5; 
}
.feat-title { 
    font-size: 12px; 
    font-weight: 700; 
    color: var(--primary); 
    margin-bottom: 2px; 
}
.feat-desc { 
    font-size: 10px; 
    color: var(--gray); 
}


.section-box { 
    padding: 16px; 
    border-bottom: 8px solid var(--bg); 
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.section-title { 
    font-size: 16px; 
    font-weight: 700; 
    color: #222; 
    margin-bottom: 12px; 
    display: flex; 
    align-items: center; 
    border-left: 4px solid var(--primary); 
    padding-left: 8px; 
}
.section-header .section-title {
    margin-bottom: 0;
}
.live-dot {
    font-size: 11px;
    color: #07c160;
    background: #e8f9ed;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
}


.article-card { 
    background: #fafafa; 
    border-radius: 8px; 
    padding: 12px; 
    margin-bottom: 10px; 
    border: 1px solid #f0f0f0; 
}
.article-card h3 { 
    font-size: 14px; 
    font-weight: 700; 
    color: #333; 
    margin-bottom: 4px; 
}
.article-card p { 
    font-size: 12px; 
    color: #666; 
    line-height: 1.6; 
}


.live-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.live-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border: 1px solid #f0f0f0;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 12px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.02);
}
.live-user {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #333;
    font-weight: 600;
}
.avatar-tag {
    background: #ffebeb;
    color: var(--primary);
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 4px;
}
.live-task {
    color: #666;
    max-width: 40%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.live-status {
    color: #ff7700;
    font-weight: 600;
    font-size: 11px;
}


.tips-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}
.tip-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: #fafbff;
    border: 1px solid #eef2ff;
    padding: 12px;
    border-radius: 8px;
}
.tip-num {
    font-size: 16px;
    font-weight: 900;
    color: var(--primary);
    background: #fff0f0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.tip-content h4 {
    font-size: 13px;
    font-weight: 700;
    color: #333;
    margin-bottom: 3px;
}
.tip-content p {
    font-size: 11px;
    color: #666;
    line-height: 1.5;
}


.bottom-bar { 
    position: fixed; 
    bottom: 0; 
    left: 0; 
    right: 0; 
    max-width: 720px; 
    margin: 0 auto; 
    background: #fff; 
    padding: 8px 16px; 
    display: flex; 
    gap: 10px; 
    border-top: 1px solid #eee; 
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05); 
    z-index: 100; 
}
.bottom-btn { 
    flex: 1; 
    text-align: center; 
    padding: 10px; 
    border-radius: 6px; 
    text-decoration: none; 
    font-weight: 700; 
    font-size: 14px; 
    color: #fff; 
}
.bottom-btn-1 { background: var(--primary); }
.bottom-btn-2 { background: var(--accent); }


.footer { 
    padding: 16px; 
    font-size: 11px; 
    color: #999; 
    text-align: center; 
    line-height: 1.5; 
    background: #fdfdfd; 
}

.live-dot {
    font-size: 11px;
    color: #07c160;
    background: #e8f9ed;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}
.blink-dot {
    width: 6px;
    height: 6px;
    background-color: #07c160;
    border-radius: 50%;
    display: inline-block;
    animation: blink 1.2s infinite;
}
@keyframes blink {
    0% { opacity: 0.2; }
    50% { opacity: 1; }
    100% { opacity: 0.2; }
}


.live-scroll-box {
    overflow: hidden;
}
.live-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.live-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border: 1px solid #f0f0f0;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 12px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.02);
}
.live-user {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #333;
    font-weight: 600;
}
.avatar-tag {
    background: #ffebeb;
    color: var(--primary);
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 4px;
}
.live-task {
    color: #666;
    max-width: 42%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.live-status {
    color: #ff7700;
    font-weight: 600;
    font-size: 11px;
}


.new-fade-in {
    animation: slideDownFade 0.5s ease-out;
}
@keyframes slideDownFade {
    0% {
        opacity: 0;
        transform: translateY(-12px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}