/*
Theme Name: Xingcheng Live Final
Theme URI: https://example.com/
Author: OpenAI
Description: Responsive single-page live entertainment platform theme.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: xingcheng-live-final
*/

:root{--bg:#f7f8fc;--surface:#fff;--primary:#6658e8;--primary-dark:#5144ca;--secondary:#8a63e8;--accent:#ec6ca7;--text:#202337;--muted:#6f7488;--line:#e7e9f2;--soft:#f0efff;--success:#2b8067;--max:1160px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7}
a{color:inherit;text-decoration:none}.container{width:min(calc(100% - 40px),var(--max));margin:auto}
.navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:850}
.brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;box-shadow:0 10px 22px rgba(102,88,232,.22)}
.brand-mark:before{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid #fff;margin-left:3px}
.nav-links{display:flex;align-items:center;gap:27px;font-size:14px;font-weight:650;color:#555b71}.nav-links a:hover{color:var(--primary)}
.nav-btn{color:#fff!important;background:var(--primary);padding:9px 17px;border-radius:999px}.menu-btn{display:none;border:0;background:transparent;font-size:27px;cursor:pointer}
.hero{position:relative;overflow:hidden;padding:88px 0 80px}.hero:before{content:"";position:absolute;width:500px;height:500px;border-radius:50%;top:-220px;right:-150px;background:radial-gradient(circle,rgba(102,88,232,.18),transparent 68%);z-index:-1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--soft);color:var(--primary-dark);border-radius:999px;padding:7px 13px;font-size:13px;font-weight:800;margin-bottom:20px}.dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
h1{font-size:clamp(42px,6vw,68px);line-height:1.12;letter-spacing:-2px;margin-bottom:22px}.hero-copy p{max-width:640px;color:var(--muted);font-size:18px;margin-bottom:28px}
.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{min-height:50px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;border-radius:14px;border:1px solid transparent;font-weight:750}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:0 12px 28px rgba(102,88,232,.22)}.btn-light{background:#fff;border-color:var(--line)}
.preview{background:#17192c;color:#fff;padding:22px;border-radius:30px;box-shadow:0 24px 55px rgba(35,38,78,.18)}.preview-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.demo-label{padding:5px 10px;border-radius:999px;background:#343750;color:#d6d8e5;font-size:11px;font-weight:800}
.preview-main{min-height:285px;border-radius:22px;padding:24px;position:relative;display:flex;flex-direction:column;justify-content:flex-end;background:radial-gradient(circle at 25% 20%,rgba(255,255,255,.18),transparent 25%),radial-gradient(circle at 80% 30%,rgba(236,108,167,.28),transparent 30%),linear-gradient(145deg,#5d54be,#8b5fba 50%,#c96798)}
.play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:68px;height:68px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.15);display:grid;place-items:center}
.play:before{content:"";width:0;height:0;border-top:10px solid transparent;border-bottom:10px solid transparent;border-left:16px solid #fff;margin-left:4px}
.preview-text{position:relative;z-index:2}.preview-text strong{display:block;font-size:20px}.preview-text span{font-size:13px;color:rgba(255,255,255,.78)}.demo-note{margin-top:12px;color:#aeb3ca;font-size:11px;text-align:center}
section{padding:82px 0}.features{background:#fff}.section-head{max-width:700px;text-align:center;margin:0 auto 44px}.section-label{color:var(--primary);font-weight:850;font-size:13px;margin-bottom:8px}.section-head h2{font-size:clamp(30px,4vw,44px);line-height:1.2;margin-bottom:13px}.section-head p{color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature{border:1px solid var(--line);border-radius:20px;padding:26px;background:#fff}.feature-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--soft);color:var(--primary);font-weight:850;margin-bottom:18px}.feature h3{font-size:18px;margin-bottom:8px}.feature p{color:var(--muted);font-size:14px}
.trust-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:50px;align-items:center}.trust-panel{min-height:370px;border-radius:28px;padding:38px;color:#fff;background:linear-gradient(145deg,#5548ca,#7e59da 55%,#b9609e);box-shadow:0 20px 48px rgba(81,68,202,.20);display:flex;flex-direction:column;justify-content:center}.trust-panel h3{font-size:31px;line-height:1.25;margin-bottom:14px}.trust-panel p{color:rgba(255,255,255,.82)}
.trust-list{display:grid;gap:15px}.trust-item{display:flex;gap:15px;border:1px solid var(--line);border-radius:18px;padding:20px;background:#fff}.check{flex:0 0 34px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#eaf7f3;color:var(--success);font-weight:900}.trust-item h4{margin-bottom:4px;font-size:16px}.trust-item p{color:var(--muted);font-size:13px}
.policy-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.policy-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px}.policy-box h3{font-size:18px;margin-bottom:10px}.policy-box p{color:var(--muted);font-size:14px}
.cta{padding-top:35px}.cta-box{background:#181b31;color:#fff;padding:46px 50px;border-radius:28px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-box h2{font-size:31px;line-height:1.25;margin-bottom:8px}.cta-box p{color:#bdc1d5}.cta-box .btn{background:#fff;color:#202337;flex-shrink:0}
footer{margin-top:74px;padding:46px 0 26px;border-top:1px solid var(--line);background:#fff}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;margin-bottom:30px}.footer-about p{margin-top:13px;color:var(--muted);max-width:520px;font-size:13px}.footer-links h4{font-size:14px;margin-bottom:10px}.footer-links a{display:block;color:var(--muted);font-size:13px;margin:7px 0}.footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#9297a9;font-size:12px}
@media(max-width:900px){.hero-grid,.trust-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.nav-links{display:none;position:absolute;top:72px;left:0;right:0;padding:18px 20px 24px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu-btn{display:block}.feature-grid,.policy-grid,.footer-grid{grid-template-columns:1fr}.hero{padding-top:60px}.actions{flex-direction:column}.actions .btn{width:100%}.cta-box{flex-direction:column;align-items:flex-start;padding:34px 27px}.cta-box .btn{width:100%}section{padding:65px 0}}
@media(max-width:460px){.container{width:min(calc(100% - 26px),var(--max))}h1{font-size:40px}.hero-copy p{font-size:16px}.preview-main{min-height:245px}.trust-panel{padding:28px}}