.visually-hidden{position:absolute;clip:rect(0 0 0 0);clip-path:inset(50%);height:1px;width:1px;overflow:hidden;white-space:nowrap}

/* 主题变量占位，后续根据 Dark 模式覆盖 */
:root[data-theme="dark"]{
	--bg: #1f1c1c;
	--surface: #242021;
	--text: #ededed;
	--muted: #b1b1b1;
	--border: rgba(255,255,255,0.12);
	--accent: #4ea3da;
}

/* 顶部内容内广告条 */
.ad-bar{display:none}

.hero-wrap{background:transparent;border-radius:0;padding:0;box-shadow:none}
.hero-card{background:transparent;border-radius:0;padding:0;box-shadow:none;position:relative}
.hero-card::after{content:"";display:none}
.hero-cover{width:160px;height:160px;border-radius:50%;margin:0 auto 16px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.hero-cover img{width:100%;height:100%;object-fit:cover}
.hero-title{text-align:center;margin:18px auto 10px;font-size:32px;line-height:1.25;color:#222}
.hero-desc{max-width:760px;margin:0 auto 22px;text-align:center;color:#2c2c2c;background:rgba(255,255,255,.45);padding:16px 18px;border-radius:18px}

.hero-cta{display:flex;justify-content:center}
.play-btn{display:inline-flex;align-items:center;gap:10px;background:#1f1f1f;color:#fff;border-radius:999px;padding:14px 22px;box-shadow:0 8px 18px rgba(0,0,0,.35)}
.play-btn:hover{filter:brightness(1.08)}
.play-icon{display:inline-block;width:12px;height:12px;border:10px solid transparent;border-left-color:#fff;margin-left:2px}