/* _cyyv4tfbx */
/* Reset and base */
*,
*::before,
*::after {box-sizing: border-box}
html, body {margin: 0;padding: 0}
html {-webkit-text-size-adjust: 100%}
body {background: #0b0d12;line-height: 1.6;color: #1a1a1a;font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif}
img {max-width: 100%;display: block}
a {color: inherit;text-decoration: none}

:root {--card-2: #0e1424;--primary-600: #4f46e5;--text: #e6e9ef;--green: #22c55e;--bg: #0b0d12;--shadow: 0 10px 30px rgba(0,0,0,0.35);--primary-700: #4338ca;--android: #1db954;--primary: #6366f1;--card: #0f1320;--radius: 14px;--muted: #9aa3b2;--bg-soft: #121625;--radius-sm: 10px;--ring: 0 0 0 3px rgba(99, 102, 241, 0.35);--ios: #7b7fff}

.container {width: min(1160px, calc(100% - 32px));margin: 0 auto}

.center {text-align: center}
.muted {color: var(--muted)}
.mini {font-size: 12px}
.sr-only {overflow: hidden;border: 0;margin: -1px;position: absolute;padding: 0;width: 1px;white-space: nowrap;clip: rect(0,0,0,0);height: 1px}

/* Header */
.site-header {position: sticky;top: 0;border-bottom: 1px solid rgba(255,255,255,0.06);backdrop-filter: saturate(180%) blur(10px);z-index: 50;background: rgba(11, 13, 18, 0.6)}
.header-inner {display: flex;align-items: center;justify-content: space-between;padding: 14px 0}
.brand {gap: 10px;color: var(--text);display: flex;align-items: center}
.logo {width: 32px;height: 32px}
.logo.small {height: 24px;width: 24px}
.brand-name {letter-spacing: 0.5px;font-weight: 600}
.nav {display: flex;gap: 18px}
.nav a {padding: 8px 10px;color: var(--muted);border-radius: 8px}
.nav a:hover {background: rgba(255,255,255,0.04);color: var(--text)}
.nav-toggle {padding: 0;cursor: pointer;background: rgba(17, 24, 39, 0.8);border: 1px solid rgba(255,255,255,0.12);flex-direction: column;border-radius: 8px;justify-content: center;align-items: center;height: 32px;gap: 4px;display: none;width: 36px}
.nav-toggle span {background: #e5e7eb;transition: transform .16s ease, opacity .16s ease;height: 2px;width: 18px;display: block;border-radius: 999px}
body.nav-open .nav-toggle span:nth-child(1) {transform: translateY(6px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2) {opacity: 0}
body.nav-open .nav-toggle span:nth-child(3) {transform: translateY(-6px) rotate(-45deg)}

/* Hero */
.hero {background:
		radial-gradient(1200px 400px at 50% -100px, rgba(99, 102, 241, 0.15), transparent 60%),
		radial-gradient(700px 300px at 80% 20%, rgba(99, 102, 241, 0.12), transparent 70%);padding: 72px 0 32px}
.hero-inner {align-items: center;display: grid;grid-template-columns: 1.2fr 1fr;gap: 32px}
.hero-art {justify-content: flex-end;display: flex}
.hero-image {border-radius: 26px;background-size: cover;aspect-ratio: 3 / 2;border: 1px solid rgba(255,255,255,0.08);background-image: url('../img/tianxiang-app.jpg');max-width: 480px;background-position: center;width: 100%;box-shadow: var(--shadow);background-repeat: no-repeat}
.hero-copy {text-align: left}
.hero-copy h1 {margin: 0 0 12px;line-height: 1.2;color: var(--text);font-size: 40px}
.hero-copy p {color: var(--muted);margin: 0 0 18px}
.cta {justify-content: flex-start;flex-wrap: wrap;gap: 12px;display: flex;margin: 18px 0}

.btn {display: inline-flex;border-radius: 12px;background: #1b2237;padding: 12px 18px;color: var(--text);align-items: center;border: 1px solid rgba(255,255,255,0.08);user-select: none;justify-content: center;cursor: pointer;transition: transform .12s ease, background .12s ease, color .12s ease, border-color .12s ease}
.btn:hover {transform: translateY(-1px);background: #232a42}
.btn:active {transform: translateY(0)}
.btn-primary {border-color: transparent;background: linear-gradient(180deg, var(--primary), var(--primary-700))}
.btn-primary:hover {box-shadow: var(--ring);filter: brightness(1.03)}
.btn-ghost {background: transparent;border-color: rgba(255,255,255,0.16)}
.btn-text {background: transparent;padding: 8px 6px;border: none;color: var(--primary)}

.device-card {max-width: 360px;box-shadow: var(--shadow);border-radius: 28px;border: 1px solid rgba(255,255,255,0.06);background: linear-gradient(180deg, #0e1424, #0b1020);margin-left: auto;padding: 16px}
.device-screen {border-radius: 22px;min-height: 260px;background: radial-gradient(600px 240px at 50% -10%, rgba(99, 102, 241, 0.2), rgba(17, 21, 35, 1));padding: 22px;color: var(--text)}
.screen-title {font-weight: 700;margin-bottom: 12px}
.screen-points {margin: 0;color: var(--muted);padding-left: 18px}
.screen-points li {margin: 6px 0}

/* Download */
.download {padding: 40px 0}
.download h2, .games h2, .features h2, .guide h2, .faq h2 {margin: 0 0 16px;color: var(--text)}
.download-grid {display: grid;gap: 18px;grid-template-columns: repeat(3, minmax(0, 1fr))}
.card {padding: 18px;color: var(--text);background: linear-gradient(180deg, var(--card), var(--card-2));border-radius: var(--radius);border: 1px solid rgba(255,255,255,0.06)}
.card-head {margin-bottom: 8px;justify-content: space-between;align-items: center;display: flex}
.platform {display: flex;gap: 10px;align-items: center}
.badge {font-size: 12px;align-items: center;border-radius: 999px;background: #cbd5e1;color: #0a0d14;padding: 4px 8px;display: inline-flex;font-weight: 600}
.badge.android {background: var(--android)}
.badge.ios {background: var(--ios);color: #0a0d14}
.badge.qrcode {background: #ffd166}
.card-body .actions {display: flex;gap: 10px;align-items: center;margin-top: 12px}
.qr-card {display: grid;gap: 12px;justify-items: center}
.qr {background: #0f1320;width: 140px;border-radius: 12px;height: 140px;border: 1px solid rgba(255,255,255,0.06)}

/* Games */
.games {padding: 16px 0 8px}
.game-grid {flex-wrap: wrap;display: flex;justify-content: center;gap: 16px}
.game-card {background: linear-gradient(180deg, var(--card), var(--card-2));border: 1px solid rgba(255,255,255,0.06);grid-template-columns: 91px 1fr;width: 362px;border-radius: 18px;color: var(--text);box-shadow: var(--shadow);column-gap: 12px;display: grid;height: 160px;padding: 11px 14px}
.game-left {justify-content: center;align-items: flex-start;display: flex;flex-direction: column;text-align: left;gap: 4px}
.game-icon {object-fit: cover;height: 67px;border-radius: 18px;box-shadow: 0 8px 18px rgba(15, 23, 42, 0.35);width: 67px}
.game-title {font-size: 14px;margin-top: 4px;font-weight: 700}
.game-meta {color: var(--muted);font-size: 10px}
.game-count {font-size: 10px;margin-top: 4px;color: var(--muted)}
.game-download-btn {padding: 0;color: #ffffff;height: 37px;font-weight: 600;box-shadow: 0 10px 18px rgba(37, 99, 235, 0.45);border-radius: 999px;min-width: 81px;margin-top: 6px;background: #0085ff}
.game-right {display: flex;justify-content: center;align-items: center}
.game-right img {width: 236px;max-height: 100%;box-shadow: 0 10px 24px rgba(0,0,0,0.45);border-radius: 16px;max-width: 100%;height: 133px;object-fit: cover}

/* Features */
.features {padding: 16px 0 8px}
.feature-grid {gap: 16px;grid-template-columns: repeat(4, minmax(0, 1fr));display: grid}
.f-item {border-radius: var(--radius);color: var(--text);padding: 16px;border: 1px solid rgba(255,255,255,0.06);background: linear-gradient(180deg, var(--card), var(--card-2))}
.f-item h3 {margin: 0 0 6px}
.f-item p {color: var(--muted);margin: 0}

/* Guide */
.guide {padding: 16px 0 8px}
.steps {display: grid;gap: 12px}
.step {background: linear-gradient(180deg, var(--card), var(--card-2));grid-template-columns: 32px 1fr;gap: 12px;border-radius: var(--radius);color: var(--text);display: grid;border: 1px solid rgba(255,255,255,0.06);padding: 12px}
.step-index {justify-content: center;align-items: center;border-radius: 10px;color: var(--text);display: inline-flex;background: #1f2a46;font-weight: 700}
.step-body h4 {margin: 2px 0 6px}
.step-body p {color: var(--muted);margin: 2px 0}

/* FAQ */
.faq {padding: 16px 0 48px}
.faq-list details {color: var(--text);padding: 10px 14px;border-radius: var(--radius);background: linear-gradient(180deg, var(--card), var(--card-2));border: 1px solid rgba(255,255,255,0.06)}
.faq-list details + details {margin-top: 10px}
.faq-list summary {cursor: pointer}
.faq-list p {margin: 8px 0 0;color: var(--muted)}

/* Mobile Download Bar */
.mobile-download-bar {display: none;left: 16px;right: 16px;background: transparent;position: fixed;padding: 0;z-index: 100;bottom: 16px}
.mobile-download-inner {justify-content: space-between;align-items: center;border: 1px solid rgba(255,255,255,0.08);gap: 12px;box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 2px 8px rgba(0,0,0,0.2);border-radius: 16px;padding: 12px 16px;backdrop-filter: blur(20px) saturate(180%);background: linear-gradient(180deg, var(--card), var(--card-2));max-width: 100%;display: flex}
.mobile-download-left {flex: 1;align-items: center;display: flex;min-width: 0;gap: 12px}
.mobile-download-logo {flex-shrink: 0;border-radius: 12px;height: 50px;width: 50px;object-fit: cover}
.mobile-download-text {display: flex;min-width: 0;flex-direction: column;flex: 1;gap: 4px}
.mobile-download-title {font-size: 16px;color: var(--text);line-height: 1.2;font-weight: 700}
.mobile-download-desc {line-height: 1.3;font-size: 12px;color: var(--muted)}
.mobile-download-btn {background: linear-gradient(180deg, var(--primary), var(--primary-700));border-radius: 24px;box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);color: #ffffff;flex-shrink: 0;transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;border: none;font-weight: 600;cursor: pointer;font-size: 14px;white-space: nowrap;padding: 10px 24px}
.mobile-download-btn:hover {filter: brightness(1.1);box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4)}
.mobile-download-btn:active {transform: scale(0.98)}

/* Footer */
.site-footer {background: rgba(11, 13, 18, 0.6);padding: 32px 0 24px;border-top: 1px solid rgba(255,255,255,0.06)}
.footer-inner {justify-content: space-between;color: var(--muted);display: flex;gap: 32px;align-items: flex-start}
.footer-left {flex-direction: column;flex: 1;gap: 12px;display: flex}
.footer-desc {line-height: 1.6;margin: 0;max-width: 420px}
.footer-copyright {white-space: nowrap;align-self: flex-end;margin: 0}

/* Modal */
.modal {display: none;position: fixed;inset: 0}
.modal[aria-hidden="false"] {display: block}
.modal-backdrop {backdrop-filter: blur(2px);position: absolute;background: rgba(0,0,0,0.6);inset: 0}
.modal-dialog {height: auto;inset: 0;background: linear-gradient(180deg, var(--card), var(--card-2));border-radius: 18px;width: min(92vw, 420px);padding: 16px;position: absolute;top: 10vh;border: 1px solid rgba(255,255,255,0.08);margin: auto;color: var(--text)}
.modal-close {font-size: 22px;border: none;color: var(--muted);background: transparent;right: 8px;position: absolute;cursor: pointer;top: 6px}
.qr-large {width: 260px;background: #0f1320;height: 260px;border: 1px solid rgba(255,255,255,0.06);margin: 12px auto 0;display: block;border-radius: 14px}

/* Responsive */
@media (max-width: 980px) {.hero {
		padding-top: 24px}
	.hero-inner {gap: 24px;display: flex;grid-template-columns: 1fr;flex-direction: column}
	.hero-copy {text-align: center;order: 2}
	.hero-copy .cta {justify-content: center}
	.hero-art {order: 1;justify-content: center}
	.hero-image {margin: 0 auto}
	.device-card {margin: 8px auto 0}
	.download-grid {grid-template-columns: 1fr}
	.game-grid {grid-template-columns: 1fr}
	.feature-grid {grid-template-columns: 1fr 1fr}
	.footer-inner {align-items: flex-start;gap: 20px;flex-direction: column}
	.footer-left {width: 100%}
	.footer-copyright {align-self: flex-start}
}
@media (max-width: 768px) {.mobile-download-bar {
		display: block}
	.site-footer {padding-bottom: 76px}
}
@media (max-width: 520px) {.hero-copy h1 { font-size: 32px}
	.header-inner {padding: 10px 0}
	.nav-toggle {display: flex}
	.nav {box-shadow: 0 18px 40px rgba(0,0,0,0.55);background: rgba(15, 23, 42, 0.98);border: 1px solid rgba(255,255,255,0.08);right: 16px;gap: 4px;display: none;z-index: 60;position: absolute;padding: 8px;top: 54px;flex-direction: column;min-width: 150px;border-radius: 14px}
	.nav a {display: block;padding: 8px 10px}
	body.nav-open .nav {display: flex}
}



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