/* 大屏赛前操作卡：两个步骤同等清晰，重点是“先播放规则”。 */
.prestart-rule-card{color:#183f52;background:linear-gradient(145deg,#effbfd,#e8f5f8);border-color:#9ed0d8;box-shadow:0 10px 24px #1b617b12}.prestart-rule-card .prestart-step{color:#19708a}.prestart-rule-card>p:not(.prestart-step){color:#526c79}.prestart-rule-button{display:grid!important;grid-template-columns:1fr;gap:3px;place-items:center;min-height:82px;padding:13px 18px!important;color:#fff!important;background:linear-gradient(135deg,#12647f,#158aa3)!important;border:1px solid #12647f!important;border-radius:14px!important;box-shadow:0 7px 16px #12647f38!important;letter-spacing:.01em}.prestart-rule-button:hover{transform:translateY(-1px);background:linear-gradient(135deg,#105873,#11798f)!important;border-color:#105873!important}.prestart-rule-button span{font-size:20px;font-weight:900}.prestart-rule-button small{color:#def7fb;font-size:12px;font-weight:750}.prestart-time-card{box-shadow:0 10px 24px #225c9110}.prestart-time-card h3::before{content:'第二步 · ';color:#2568a0;font-size:12px;letter-spacing:.08em}.prestart-action-grid{gap:18px}

/* 测试页同样使用正式赛的卡片结构。 */
#sandboxRoot:has(.prestart-info-heading){gap:18px}#sandboxRoot:has(.prestart-info-heading) .prestart-rule-card{grid-column:1;min-height:220px;padding:22px;border-radius:24px}#sandboxRoot:has(.prestart-info-heading) .prestart-rule-card .prestart-rule-button{grid-column:auto;min-height:82px!important;border-radius:14px!important;background:linear-gradient(135deg,#12647f,#158aa3)!important;border-color:#12647f!important;box-shadow:0 7px 16px #12647f38!important}#sandboxRoot:has(.prestart-info-heading) .prestart-rule-card .prestart-rule-button::before{content:none}#sandboxRoot:has(.prestart-info-heading) .prestart-rule-card .prestart-rule-button span{font-size:20px}#sandboxRoot:has(.prestart-info-heading) .prestart-rule-card .prestart-rule-button small{color:#def7fb}#sandboxRoot:has(.prestart-info-heading) .prestart-time-card{grid-column:2;min-height:220px;padding:22px;border-radius:24px}#sandboxRoot:has(.prestart-info-heading) .prestart-time-card h3::before{content:'第二步 · ';color:#2568a0;font-size:12px;letter-spacing:.08em}@media(max-width:620px){#sandboxRoot:has(.prestart-info-heading) .prestart-rule-card,#sandboxRoot:has(.prestart-info-heading) .prestart-time-card{grid-column:1;min-height:0}}