/* Template 4: Mobile App Showcase (电竞翡翠 · 移动端首屏展示) */
:root {
  --primary: #10b981;
  --primary-glow: #34d399;
  --bg: #06120e;
  --surface: #0f231c;
  --surface-card: #142f26;
  --border: rgba(16, 185, 129, 0.2);
  --border-active: rgba(52, 211, 153, 0.5);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --radius: 18px;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* Centered Logo Split Header */
.appshow-header { background: rgba(6, 18, 14, 0.9); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(12px); padding: 0.8rem 0; }
.appshow-header-grid { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.appshow-nav-left { display: flex; gap: 2rem; list-style: none; }
.appshow-nav-right { display: flex; gap: 2rem; list-style: none; justify-content: flex-end; align-items: center; }
.appshow-nav-left a, .appshow-nav-right a { font-size: 0.95rem; font-weight: 500; color: var(--text-muted); }
.appshow-nav-left a:hover, .appshow-nav-right a:hover, .appshow-nav-left a.active { color: var(--primary); }
.appshow-logo img { height: 42px; display: block; margin: 0 auto; }
.appshow-btn-dl { background: var(--primary); color: #06120e; font-weight: 700; padding: 0.5rem 1.4rem; border-radius: 9999px; display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; }

/* Smartphone Mockup Centerpiece Hero */
.appshow-hero { padding: 5rem 0; text-align: center; position: relative; background: radial-gradient(circle at 50% 40%, rgba(16, 185, 129, 0.12) 0%, transparent 60%); }
.appshow-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(16, 185, 129, 0.15); border: 1px solid var(--border); color: var(--primary-glow); padding: 0.4rem 1.2rem; border-radius: 9999px; font-size: 0.85rem; font-weight: 600; margin-bottom: 1.5rem; }
.appshow-hero h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.2rem; }
.appshow-green-gradient { background: linear-gradient(135deg, #ffffff 40%, var(--primary-glow) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.appshow-hero-desc { max-width: 680px; margin: 0 auto 3rem; color: var(--text-muted); font-size: 1.1rem; }

/* Phone Mockup Frame */
.appshow-phone-container { max-width: 360px; margin: 0 auto; position: relative; }
.appshow-phone-frame { border: 12px solid #142f26; border-radius: 46px; overflow: hidden; box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(16, 185, 129, 0.25); background: #000; }
.appshow-phone-frame img { width: 100%; display: block; }
.appshow-float-tag { position: absolute; background: rgba(15, 35, 28, 0.9); border: 1px solid var(--border-active); border-radius: 14px; padding: 0.8rem 1.2rem; backdrop-filter: blur(10px); display: flex; align-items: center; gap: 0.75rem; text-align: left; }
.appshow-tag-left { top: 25%; left: -160px; }
.appshow-tag-right { top: 60%; right: -160px; }

/* Multi-OS Download Section */
.appshow-section { padding: 5rem 0; }
.appshow-sec-header { text-align: center; max-width: 650px; margin: 0 auto 3rem; }
.appshow-sec-header h2 { font-size: 2.3rem; margin-bottom: 0.8rem; }
.appshow-sec-header p { color: var(--text-muted); font-size: 1.05rem; }
.appshow-dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.appshow-dl-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.2rem; text-align: center; transition: all 0.3s; }
.appshow-dl-box:hover { border-color: var(--primary); transform: translateY(-5px); }
.appshow-dl-box i { font-size: 3rem; color: var(--primary); margin-bottom: 1.25rem; display: block; }
.appshow-dl-box h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.appshow-dl-box p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 1.5rem; }

/* Game Modes Showcase (4 Cards) */
.appshow-modes-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.appshow-mode-card { background: var(--surface-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem 1.5rem; text-align: center; }
.appshow-mode-icon { width: 56px; height: 56px; border-radius: 50%; background: rgba(16, 185, 129, 0.15); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin: 0 auto 1.2rem; }
.appshow-mode-card h4 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.appshow-mode-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* 4-Step Onboarding Guide */
.appshow-steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 2rem; }
.appshow-step-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 2rem 1.5rem; position: relative; }
.appshow-step-num { font-size: 2.2rem; font-weight: 800; color: var(--primary); opacity: 0.4; margin-bottom: 0.5rem; }
.appshow-step-card h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.appshow-step-card p { color: var(--text-muted); font-size: 0.85rem; }

/* FAQ Accordion */
.appshow-faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.appshow-faq-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 1.5rem; }
.appshow-faq-card h4 { font-size: 1.1rem; color: var(--primary-glow); margin-bottom: 0.6rem; display: flex; gap: 0.5rem; }
.appshow-faq-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }

/* Centered App Brand Footer */
.appshow-footer { background: #030a07; border-top: 1px solid var(--border); padding: 4rem 0 2rem; text-align: center; font-size: 0.9rem; }
.appshow-ft-links { display: flex; justify-content: center; gap: 2rem; list-style: none; margin: 1.5rem 0 2rem; }
.appshow-ft-links a { color: var(--text-muted); }
.appshow-ft-links a:hover { color: var(--primary); }

@media (max-width: 992px) {
  .appshow-float-tag { display: none; }
  .appshow-dl-grid, .appshow-modes-grid, .appshow-steps-grid { grid-template-columns: 1fr; }
  .appshow-nav-left, .appshow-nav-right { display: none; }
  .appshow-header-grid { display: flex; justify-content: space-between; }
}