/* 演唱工坊沿用官网主题变量，样式限定在产品页面内。 */
.singing-product { background: var(--bg-deep); padding-top: var(--nav-h); }
.singing-product .screen { max-width: var(--max-w); margin: 0 auto; padding: 72px 24px; }
.singing-product .sep { height: 1px; max-width: 1152px; margin: 0 auto; background: var(--border-card); }
.singing-product .s1 { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 64px; background: radial-gradient(ellipse at 70% 40%, rgba(56,189,248,.12), transparent 65%); }
.singing-product .badge { display: inline-block; padding: 6px 16px; border: 1px solid var(--border-light); border-radius: var(--radius-sm); color: var(--accent); font-size: 13px; letter-spacing: .18em; }
.singing-product h1 { font-size: clamp(42px, 6vw, 72px); line-height: 1.2; margin: 24px 0 18px; }
.singing-product em, .singing-product h3 i { font-style: normal; color: var(--accent); }
.singing-product .slogan { font-size: clamp(18px, 2.5vw, 26px); color: var(--text-sub); }
.singing-product .phone { width: 340px; max-width: 100%; aspect-ratio: 4 / 5; margin: 0 auto; padding: 12px; border: 1px solid var(--border-light); border-radius: 24px; background: var(--bg-card-2); box-shadow: var(--shadow); position: relative; }
.singing-product .phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 16px; }
.singing-product .phone .notch { position: absolute; top: 22px; left: 50%; transform: translateX(-50%); width: 76px; height: 12px; border-radius: 8px; background: var(--bg-card-2); }
.singing-product .chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0; }
.singing-product .chip { padding: 6px 14px; border: 1px solid var(--border-card); border-radius: var(--radius-sm); background: var(--bg-card); color: var(--text-sub); font-size: 14px; }
.singing-product .cta { display: flex; align-items: center; justify-content: center; width: fit-content; max-width: 100%; min-height: 48px; padding: 12px 28px; border-radius: 10px; background: linear-gradient(90deg, var(--grad-1), var(--grad-2)); box-shadow: 0 10px 26px rgba(56,189,248,.28); color: #fff; font-size: 16px; font-weight: 600; transition: filter .2s; }
.singing-product .cta:hover { filter: brightness(1.05); }
.singing-product .cta:focus-visible { outline: 3px solid var(--text-main); outline-offset: 5px; }
.singing-product .cta-note { margin-top: 16px; font-size: 13px; color: var(--text-sub); }
.singing-product .sec-tag { text-align: center; font-size: 13px; letter-spacing: .18em; color: var(--accent); }
.singing-product h2 { text-align: center; font-size: clamp(26px, 4vw, 40px); margin: 10px 0 36px; line-height: 1.3; }
.singing-product .grid2 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.singing-product .stat { padding: 28px 16px; border: 1px solid var(--border-card); border-radius: var(--radius); background: var(--bg-card); }
.singing-product .stat b { display: block; font-size: 38px; color: var(--accent); line-height: 1.2; }
.singing-product .stat small { font-size: 18px; }
.singing-product .stat span { font-size: 14px; margin-top: 10px; color: var(--text-sub); }
.singing-product .flow { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 32px; }
.singing-product .fstep { display: flex; align-items: center; gap: 20px; padding: 24px; border: 1px solid var(--border-card); border-radius: var(--radius); background: var(--bg-card); }
.singing-product .n { display: flex; align-items: center; justify-content: center; flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border-light); color: var(--accent); font-weight: 700; }
.singing-product .fstep b { display: block; font-size: 18px; margin-bottom: 4px; }
.singing-product .fstep span { color: var(--text-sub); font-size: 14px; }
.singing-product .feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; align-items: start; }
.singing-product .feat { display: block; padding: 0; border: 1px solid var(--border-card); border-radius: var(--radius); background: var(--bg-card); overflow: hidden; }
.singing-product .feat img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; background: var(--bg-card-2); }
.singing-product .fbody { padding: 28px; }
.singing-product .fno { color: var(--accent); font-size: 13px; letter-spacing: .18em; }
.singing-product h3 { margin: 8px 0 12px; font-size: 24px; line-height: 1.4; }
.singing-product .feat p { font-size: 15px; line-height: 1.8; color: var(--text-sub); }
.singing-product .pts { display: grid; gap: 10px; margin-top: 20px; }
.singing-product .pt { display: flex; align-items: baseline; gap: 10px; font-size: 14px; }
.singing-product .pt::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.singing-product #get { scroll-margin-top: calc(var(--nav-h) + 20px); }
.singing-product .big { width: 100%; max-height: 560px; object-fit: contain; border: 1px solid var(--border-card); border-radius: var(--radius); background: var(--bg-card-2); }
.singing-product .cap { text-align: center; margin-top: 16px; color: var(--text-sub); font-size: 14px; }
.singing-product .s5 .cta { margin: 32px auto; }
.singing-product .env { max-width: 720px; margin: 0 auto; padding: 24px 28px; border: 1px solid var(--border-card); border-radius: var(--radius); background: var(--bg-card); }
.singing-product .env li { position: relative; padding: 6px 0 6px 20px; font-size: 14px; color: var(--text-sub); }
.singing-product .env li::before { content: ''; position: absolute; left: 0; top: 16px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.singing-product .brandend { padding-top: 40px; text-align: center; }
.singing-product .brandend .b { font-size: 32px; font-weight: 700; }
.singing-product .brandend .s { margin-top: 8px; color: var(--text-sub); font-size: 16px; }
@media (max-width: 768px) {
  .singing-product .screen { padding: 48px 20px; }
  .singing-product .s1 { grid-template-columns: 1fr; gap: 36px; text-align: center; }
  .singing-product .chips { justify-content: center; }
  .singing-product .s1 .cta { margin: 0 auto; }
  .singing-product .phone { width: 280px; }
  .singing-product .grid2 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .singing-product .flow, .singing-product .feature-grid { grid-template-columns: 1fr; gap: 16px; }
  .singing-product .stat b { font-size: 32px; }
  .singing-product .fstep, .singing-product .fbody { padding: 22px; }
  .singing-product .sep { margin: 0 20px; }
}