/* 懂你影视 - 前台样式（主题色由后台控制，CSS 变量注入于 index.php :root） */
*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%;background:#eaf2ff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;color:#1f2733;-webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:0;height:0;display:none}
html{scrollbar-width:none;-ms-overflow-style:none}

/* 页面容器 */
.page{max-width:520px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:36px 24px;background:linear-gradient(to bottom,#eaf2ff,#ffffff)}

/* ---------- 顶部：官方网址栏 ---------- */
.url-bar{width:100%;background:#fff;border:1px solid #d8e3f5;border-radius:12px;padding:12px 14px;margin-bottom:24px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.url-tip{display:block;font-size:.82rem;color:#5b6472;margin-bottom:10px;letter-spacing:.02em}
.url-line{display:flex;align-items:center;gap:10px}
.url-field{flex:1;min-width:0;display:flex;align-items:center;background:#f7f9fc;border:1px solid #d8e3f5;border-radius:8px;padding:8px 12px;color:#1f2733;font-size:.92rem;font-weight:600;word-break:break-all;line-height:1.4}
.url-value{width:100%}
.copy-btn{flex-shrink:0;background:var(--primary);border:none;color:#fff;padding:9px 18px;border-radius:8px;cursor:pointer;font-size:.85rem;font-weight:600;transition:background .2s,transform .15s;box-shadow:0 3px 8px color-mix(in srgb,var(--primary) 30%,transparent)}
.copy-btn:hover{background:var(--primary-light);transform:translateY(-1px)}

/* ---------- Logo / 4k 图标 ---------- */
.app-logo-wrap{width:88px;height:88px;border-radius:18px;overflow:hidden;background:var(--primary);display:flex;align-items:center;justify-content:center;box-shadow:0 12px 28px color-mix(in srgb,var(--primary) 30%,transparent);margin-bottom:18px}
.app-logo{width:88px;height:88px;object-fit:cover;display:block}
.logo-4k{color:#fff;font-size:3rem;font-weight:800;letter-spacing:.02em}

/* ---------- 名称 + 标语 ---------- */
.app-meta{text-align:center;margin-bottom:24px}
.app-name{margin:0;font-size:1.9rem;font-weight:700;color:var(--primary);letter-spacing:.06em}
.app-slogan{margin:10px 0 0;font-size:.92rem;color:#5b6472;letter-spacing:.03em;line-height:1.6}

/* ---------- 邀请码 ---------- */
.invite-bar{display:flex;align-items:center;gap:10px;background:var(--primary-soft);border:1px solid var(--primary-border);border-radius:10px;padding:11px 16px;margin-bottom:22px;width:100%;justify-content:center}
.invite-label{font-size:.9rem;color:#5b6472}
.invite-value{font-weight:700;font-size:1.1rem;color:var(--primary);letter-spacing:2px}
.invite-bar .copy-btn{padding:6px 14px}

/* ---------- 下载按钮（全宽） ---------- */
.btns{display:flex;flex-direction:column;align-items:center;gap:14px;width:100%;margin-bottom:28px}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:15px 20px;border-radius:14px;text-decoration:none;font-size:1.05rem;font-weight:600;cursor:pointer;transition:transform .18s,box-shadow .2s;user-select:none}
.btn.primary{background:linear-gradient(135deg,var(--primary-light),var(--primary));color:#fff;box-shadow:0 6px 16px color-mix(in srgb,var(--primary) 30%,transparent)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px color-mix(in srgb,var(--primary) 40%,transparent)}
.btn .icon{font-size:1.2em}
.btn.web{background:#fff;color:var(--primary);border:1.5px solid var(--primary-light);box-shadow:0 4px 12px color-mix(in srgb,var(--primary) 12%,transparent)}
.btn.web:hover{background:var(--primary-soft);transform:translateY(-2px)}
.btn.card{background:#fff;color:var(--primary);border:1.5px solid var(--primary-light);box-shadow:0 4px 12px color-mix(in srgb,var(--primary) 12%,transparent)}
.btn.card:hover{transform:translateY(-2px);background:var(--primary-soft)}

/* ---------- 功能区标题栏 ---------- */
.feature-head{width:100%;text-align:center;background:var(--primary-soft);border:1.5px solid var(--primary-border);border-radius:10px;padding:10px 16px;font-size:1rem;font-weight:600;color:var(--primary);margin-bottom:16px;box-sizing:border-box}

/* ---------- 四大功能宫格（图标+标题+说明，居中） ---------- */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 28px;width:100%;margin-bottom:26px}
.feature{text-align:center}
.f-icon{width:54px;height:54px;margin:0 auto 12px;border-radius:50%;background:var(--primary-soft);border:1px solid var(--primary-border);display:flex;align-items:center;justify-content:center;font-size:1.5rem}
.feature h3{margin:0 0 6px;font-size:1rem;color:#333;font-weight:700}
.feature p{margin:0;font-size:.84rem;color:#8a93a3;line-height:1.5}

/* ---------- 底部版权（居中） ---------- */
.site-footer{color:#9aa6b8;font-size:.8rem;letter-spacing:.02em;text-align:center;width:100%}

/* ---------- 维护提示 ---------- */
.maintenance-box{background:var(--primary-soft);border:1px solid var(--primary-border);color:var(--primary);padding:22px 30px;border-radius:14px;text-align:center;font-size:1.2rem;letter-spacing:.05em}

/* ---------- 提示条 ---------- */
#toast{position:fixed;left:50%;bottom:60px;transform:translateX(-50%) translateY(20px);background:#1f2733;color:#fff;padding:10px 22px;border-radius:22px;font-size:.9rem;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:9999;max-width:80vw;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.2)}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 手机自适应 ---------- */
@media(max-width:420px){
  .page{padding:26px 16px}
  .app-logo-wrap{width:88px;height:88px;border-radius:16px}
  .logo-4k{font-size:2.5rem}
  .app-name{font-size:1.6rem}
  .feature-grid{gap:16px 20px}
}