* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: "PingFang SC", "Helvetica Neue", Helvetica, Arial, sans-serif; 
    -webkit-font-smoothing: antialiased; 
    -webkit-user-select: none; 
    user-select: none; 
}
body { 
    min-height: 100vh; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    padding: 30px 20px; 
    color: #ffffff; 
    position: relative; 
    overflow-x: hidden; 
    background-color: #f2f5f9; 
    background-image: url('img/bg.jpeg'); 
    background-size: cover; 
    background-position: center center; 
    background-repeat: no-repeat; 
    background-attachment: fixed; 
}

body::before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: linear-gradient(180deg, rgba(240, 244, 248, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%); 
    z-index: 1; 
}

@media screen and (min-width: 769px) { 
    body { 
        background-size: contain; 
        background-position: center center; 
        background-image: radial-gradient(circle at center, rgba(255, 255, 255, 0) 70%, #f2f5f9 100%), url('img/bg.jpeg'); 
    } 
}

.container { 
    width: 100%; 
    max-width: 360px; 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    text-align: center; 
    position: relative; 
    z-index: 2; 
}

/* 顶部居中单个 LOGO 样式 */
.single-logo-box { 
    width: 100%; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    margin-top: 5px; 
    margin-bottom: 15px; 
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3)); 
}
.single-logo-box img { 
    width: auto; 
    max-width: 180px; 
    height: auto; 
    max-height: 115px; 
    object-fit: contain; 
    pointer-events: none; 
}

/* 文字链接容器与样式 */
.text-links-box { 
    width: 100%; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 0 1px; 
    margin-bottom: 25px; 
}
.text-link-item { 
    font-size: 16px; 
    font-weight: 700; 
    color: #2d2c2c; 
    text-decoration: none; 
    letter-spacing: 0.5px; 
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3)); 
    transition: color 0.2s ease; 
    -webkit-tap-highlight-color: rgba(0,0,0,0); 
}
.text-link-item:hover { 
    color: #f9d949; 
}

/* 按钮组 */
.btn-group { 
    width: 100%; 
    display: flex; 
    justify-content: space-between; 
    gap: 14px; 
    margin-bottom: 16px; 
}
.btn { 
    flex: 1; 
    padding: 15px 0; 
    border-radius: 35px; 
    font-size: 17px; 
    font-weight: 700; 
    letter-spacing: 2px; 
    text-indent: 2px; 
    cursor: pointer; 
    border: none; 
    position: relative; 
    outline: none; 
    -webkit-tap-highlight-color: rgba(0,0,0,0); 
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); 
}

/* 绿色按钮半透明化 */
.btn-green { 
    background: linear-gradient(135deg, rgba(15, 168, 122, 0.65) 0%, rgba(21, 184, 134, 0.65) 50%, rgba(24, 191, 141, 0.65) 100%); 
    color: #ffffff; 
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 15px rgba(21, 184, 134, 0.2), inset 0 1px 1px rgba(255,255,255,0.2); 
    backdrop-filter: blur(4px); 
    -webkit-backdrop-filter: blur(4px);
}

/* 暗色按钮半透明化 */
.btn-dark { 
    background: linear-gradient(135deg, rgba(29, 32, 46, 0.65) 0%, rgba(23, 25, 35, 0.65) 100%); 
    color: #f7e79f; 
    border: 1px solid rgba(255, 255, 255, 0.12); 
    box-shadow: 0 6px 18px rgba(23, 25, 35, 0.2); 
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.btn:hover { 
    transform: translateY(-2px); 
}
.btn-green:hover { 
    background: linear-gradient(135deg, rgba(15, 168, 122, 0.8) 0%, rgba(21, 184, 134, 0.8) 100%); 
    box-shadow: 0 6px 20px rgba(21, 184, 134, 0.4); 
}
.btn-dark:hover { 
    background: linear-gradient(135deg, rgba(29, 32, 46, 0.8) 0%, rgba(23, 25, 35, 0.8) 100%); 
    border-color: rgba(255, 255, 255, 0.3); 
    box-shadow: 0 8px 22px rgba(23, 25, 35, 0.3); 
}
.btn:active { 
    transform: translateY(1px) scale(0.98); 
    transition: all 0.1s ease; 
}

/* 核心业务 */
.main-card { 
    width: 100%; 
    background: linear-gradient(135deg, rgba(31, 33, 44, 0.63) 0%, rgba(23, 25, 34, 0.96) 100%); 
    border: 1px solid rgba(255, 255, 255, 0.06); 
    border-radius: 24px; 
    padding: 32px 18px; 
    margin-top: 8px; 
    margin-bottom: 10px; 
    box-shadow: 0 25px 55px rgba(0, 0, 0, 0.55); 
}

.room-number { 
    font-size: 32px; 
    font-weight: 800; 
    font-style: italic; 
    color: #f9d949; 
    margin-bottom: 18px; 
    letter-spacing: 1px; 
    text-shadow: 0 0 12px rgba(249, 217, 73, 0.45), 0 2px 4px rgba(0,0,0,0.5); 
    cursor: pointer; 
}
.card-sub-title { 
    font-size: 20px; 
    color: rgba(255,255,255,0.7); 
    letter-spacing: 2px; 
    margin-bottom: 14px; 
    font-weight: 600; 
}
.card-content-line { 
    font-size: 20px; 
    color: rgba(255,255,255,0.85); 
    line-height: 1.9; 
    letter-spacing: 0.5px; 
    font-weight: 700; 
}

/* 白字+红边 霓虹描边特效 */
.card-warning-line { 
    font-size: 25px; 
    font-weight: 900; 
    color: #ffffff; 
    letter-spacing: 1px; 
    margin-top: 18px; 
    margin-bottom: 4px; 
    -webkit-text-stroke: 0.6px #ff2a5f; 
    text-shadow: 0 0 15px rgba(255, 42, 95, 0.7), 0 2px 4px rgba(0,0,0,0.8); 
}

.btn-service { 
    width: 100%; 
    background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.09) 100%); 
    border: 1px solid rgba(255, 255, 255, 0.14); 
    color: rgba(255,255,255,0.85); 
    padding: 15px 0; 
    border-radius: 16px; 
    font-size: 20px; 
    font-weight: 600; 
    letter-spacing: 2px; 
    cursor: pointer; 
    margin-top: 24px; 
    -webkit-tap-highlight-color: rgba(0,0,0,0); 
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); 
    box-shadow: 0 4px 15px rgba(0,0,0,0.2); 
}
.btn-service:hover { 
    transform: translateY(-2px); 
    border-color: rgba(249, 217, 73, 0.3); 
    color: #ffffff; 
    background: rgba(255,255,255,0.12); 
}
.btn-service:active { 
    transform: translateY(1px) scale(0.99); 
}

.footer-text { 
    font-weight: 800; 
    font-size: 20px; 
    color: #666; 
    line-height: 1.8; 
    margin-bottom: 10px; 
    letter-spacing: 0.5px; 
    padding: 0 10px; 
    text-shadow: 0 1px 0 rgba(255,255,255,0.5); 
}
@media screen and (max-width: 768px) { 
    .footer-text { 
        color: rgba(255,255,255,0.4); 
        text-shadow: 0 1px 2px rgba(0,0,0,0.5); 
    } 
}

.toast-box { 
    position: fixed; 
    top: 45%; 
    left: 50%; 
    transform: translate(-50%, -50%) scale(0.8); 
    background: rgba(249, 217, 73, 0.95); 
    color: #171923; 
    padding: 12px 28px; 
    border-radius: 25px; 
    font-size: 14px; 
    font-weight: 700; 
    letter-spacing: 1px; 
    box-shadow: 0 10px 30px rgba(249, 217, 73, 0.4); 
    opacity: 0; 
    pointer-events: none; 
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
    z-index: 999; 
}
.toast-box.show { 
    opacity: 1; 
    transform: translate(-50%, -50%) scale(1); 
}