/* 和首页一模一样的顶栏、手机菜单、客服弹窗（2026-10-18 新建，结构在 site_header.php，给 /orb.php 用）
   规则从首页 /css/guide.css 原样搬来；首页的颜色变量只挂在这几个元素上，不影响所在页面自己的变量 */
.header,.mobile-nav,.modal-overlay,.fx-tree,.back-to-top{
    --bg:#0a0806; --bg-2:#110d08; --panel:#181209; --panel-2:#1e1710;
    --line:#352b19; --line-soft:rgba(255,255,255,.1);
    --gold:#eebd55; --gold-hi:#ffedb0; --gold-dk:#a87c26;
    --gold-soft:rgba(229,181,76,.14); --gold-glow:rgba(229,181,76,.4);
    --ember:#ff5a36; --ember-dk:#c93a1d; --ember-soft:rgba(255,90,54,.14);
    --green:#46d996; --green-soft:rgba(62,207,142,.13);
    --cyan:#4cc9e5;
    --txt:#f5edde; --txt-2:#dbcfb7; --muted:#a4957e;
    --radius:14px; --radius-sm:9px;
    --tr:.28s cubic-bezier(.4,0,.2,1);
    font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",sans-serif;line-height:1.75}

.header{position:fixed;top:0;left:0;width:100%;height:66px;z-index:999;
    display:flex;align-items:center;justify-content:center;
    padding:0 clamp(1rem,3.4vw,2.6rem);
    background:rgba(10,8,6,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);transition:var(--tr)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;max-width:1240px}
.header.scrolled{background:rgba(10,8,6,.95);box-shadow:0 6px 30px rgba(0,0,0,.45)}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo .lg-icon{width:40px;height:40px;flex:none;filter:drop-shadow(0 2px 8px rgba(229,181,76,.35))}
.logo .lg-txt{display:flex;flex-direction:column;line-height:1.15}
.logo .lg-main{font-size:19px;font-weight:900;letter-spacing:.06em;white-space:nowrap;
    background:linear-gradient(180deg,#ffe9a8 0%,#f5c86a 34%,#d99a2b 62%,#a86a18 100%);
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.logo .lg-sub{font-size:9.5px;letter-spacing:.42em;color:var(--muted);font-weight:700}
.nav-menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-menu a{display:block;padding:8px 13px;border-radius:8px;color:var(--txt-2);font-size:14px;font-weight:600;transition:var(--tr);white-space:nowrap;text-decoration:none}
.nav-menu a:hover{color:var(--gold-hi);background:var(--gold-soft)}
.header-seasons{display:flex;gap:10px}
.hs-chip{display:flex;align-items:center;gap:7px;padding:5px 12px;border-radius:99px;font-size:12px;color:var(--txt-2);
    border:1px solid var(--line);background:rgba(255,255,255,.03);white-space:nowrap;line-height:1.75}
.hs-chip b{font-weight:800;font-size:11px;letter-spacing:.04em}
.hs-chip.s1 b{color:var(--ember)}
.hs-chip.s2 b{color:var(--gold)}
.hs-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:shPulse 1.6s ease-in-out infinite;flex:none}
@keyframes shPulse{0%,100%{opacity:1}50%{opacity:.25}}
.header-actions{display:flex;align-items:center;gap:10px}
.header .btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;font-weight:700;text-decoration:none;
    border-radius:10px;font-size:14px;padding:10px 18px;transition:var(--tr);font-family:inherit;white-space:nowrap;line-height:1.75}
.header .btn-buy{background:linear-gradient(135deg,#f3c65f,#d99a2b);color:#241703;box-shadow:0 4px 20px rgba(217,154,43,.3)}
.header .btn-buy:hover{transform:translateY(-1px);box-shadow:0 8px 28px rgba(217,154,43,.45)}
.header .btn-ghost{background:transparent;color:var(--txt-2);border:1px solid var(--line)}
.header .btn-ghost:hover{border-color:var(--gold);color:var(--gold-hi)}
.mobile-menu-btn{display:none;border:1px solid var(--line);background:transparent;color:var(--txt);
    width:40px;height:40px;border-radius:10px;font-size:17px;cursor:pointer}
.mobile-nav{display:none;position:fixed;top:66px;left:0;right:0;z-index:998;background:rgba(12,9,6,.97);
    backdrop-filter:blur(20px);border-bottom:1px solid var(--line);padding:12px 18px 18px;flex-direction:column;gap:2px}
.mobile-nav.open{display:flex}
.mobile-nav a,.mobile-nav button{display:block;width:100%;text-align:left;padding:12px 12px;border:none;background:none;text-decoration:none;
    color:var(--txt-2);font-size:15px;font-weight:600;border-radius:8px;cursor:pointer;font-family:inherit}
.mobile-nav a:hover,.mobile-nav button:hover{background:var(--gold-soft);color:var(--gold-hi)}
.mobile-nav .m-seasons{display:flex;gap:8px;padding:6px 10px 12px;flex-wrap:wrap}

/* 客服弹窗 */
.modal-overlay{position:fixed;inset:0;z-index:1200;background:rgba(5,4,2,.85);backdrop-filter:blur(10px);
    display:none;align-items:center;justify-content:center;padding:18px;color:var(--txt)}
.modal-overlay.show{display:flex;animation:shFadeIn .25s ease}
@keyframes shFadeIn{from{opacity:0}to{opacity:1}}
.modal-box{position:relative;width:100%;max-width:440px;background:var(--panel-2);border:1px solid rgba(229,181,76,.35);
    border-radius:18px;overflow:hidden;box-shadow:0 30px 90px rgba(0,0,0,.7);animation:shSlideUp .3s cubic-bezier(.4,0,.2,1)}
@keyframes shSlideUp{from{transform:translateY(22px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-bar{height:3px;background:linear-gradient(90deg,var(--gold),var(--ember))}
.modal-close{position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:50%;border:none;cursor:pointer;
    background:rgba(255,255,255,.06);color:var(--muted);font-size:14px;transition:var(--tr)}
.modal-close:hover{background:rgba(255,255,255,.14);color:#fff}
.modal-inner{padding:30px 28px}
.modal-inner h3{font-size:20px;font-weight:900;text-align:center;margin-bottom:4px}
.modal-inner .msub{font-size:12.5px;color:var(--muted);text-align:center;margin-bottom:20px}
.contact-row{display:flex;align-items:center;gap:13px;background:var(--bg-2);border:1px solid var(--line);
    border-radius:var(--radius-sm);padding:15px 17px}
.contact-row .cicon{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;font-size:19px;
    background:var(--gold-soft);color:var(--gold);flex:none}
.contact-row .cl{font-size:11.5px;color:var(--muted)}
.contact-row .cv{font-variant-numeric:lining-nums tabular-nums;font-size:19px;font-weight:800;color:var(--gold-hi);letter-spacing:.04em}
.copy-btn{margin-left:auto;border:1px solid var(--line);background:transparent;color:var(--muted);width:36px;height:36px;
    border-radius:9px;cursor:pointer;transition:var(--tr)}
.copy-btn:hover{color:var(--gold);border-color:var(--gold)}
.modal-tips{margin-top:15px;display:flex;flex-direction:column;gap:8px}
.modal-tips p{font-size:12.5px;color:var(--muted);line-height:1.7;display:flex;gap:8px}
.modal-tips i{margin-top:4px;flex:none}
.tip-warn{color:var(--ember)}.tip-time{color:var(--gold)}.tip-ok{color:var(--green)}
.tip-strong{color:var(--gold-hi);font-weight:700}

/* 窄屏：和首页同样的断点 */
@media (max-width:1180px){
    .header-seasons{display:none}   /* 本页菜单比首页多一项，赛季标签提前收起，免得挤 */
}
@media (max-width:1024px){
    .nav-menu{display:none}
    .mobile-menu-btn{display:block}
}
@media (max-width:600px){
    .header{height:60px;padding:0 14px}
    .header-inner{gap:10px}
    .header-actions{display:none}
    .logo{gap:8px}
    .logo .lg-icon{width:34px;height:34px}
    .logo .lg-main{font-size:16px;letter-spacing:.04em}
    .logo .lg-sub{font-size:8.5px;letter-spacing:.32em}
    .mobile-menu-btn{width:38px;height:38px;flex:none}
    .mobile-nav{top:60px;max-height:calc(100vh - 60px);overflow-y:auto;background:#0c0906}
    .modal-overlay{padding:12px}
    .modal-box{max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px);overflow-y:auto;-webkit-overflow-scrolling:touch}
    .modal-inner{padding:24px 18px}
    .modal-inner h3{font-size:18px}
}

/* 菜单悬停下划线 + 当前版块高亮（和首页 fx.css 里 .pg-home 那几条一样） */
.header .nav-menu a{position:relative}
.header .nav-menu a::after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,#f3c65f,#ff6a3d);transition:left .3s ease,right .3s ease}
.header .nav-menu a:hover::after,.header .nav-menu a.fx-on::after{left:13px;right:13px}
.header .nav-menu a.fx-on{color:var(--gold-hi)}

/* 回到顶部（样子由 /js/fx.js 换成金色进度环，和首页一样） */
.back-to-top{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:12px;border:1px solid rgba(229,181,76,.4);
    background:rgba(20,15,8,.9);color:var(--gold);font-size:15px;cursor:pointer;opacity:0;pointer-events:none;
    transition:var(--tr);z-index:900;backdrop-filter:blur(8px)}
.back-to-top.show{opacity:1;pointer-events:auto}
.back-to-top:hover{background:var(--gold-soft);transform:translateY(-3px)}
@media (max-width:760px){
    .back-to-top{right:14px;bottom:calc(86px + env(safe-area-inset-bottom));width:40px;height:40px}
}