/* ============================================================
   联屏传媒 - 共享设计系统
   ============================================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
    --navy:#0b1628;
    --navy-l:#13223b;
    --blue:#1d6bf0;
    --blue-dim:rgba(29,107,240,0.08);
    --amber:#d97706;
    --amber-l:rgba(217,119,6,0.1);
    --text:#0f172a;
    --body:#475569;
    --bg:#fff;
    --bg-warm:#faf8f5;
    --bg-sky:rgba(29,107,240,0.03);
    --border:rgba(15,23,42,0.06);
    --radius:20px;
    --radius-sm:12px;
    --radius-pill:9999px;
    --shadow:0 2px 24px rgba(11,22,40,0.05);
    --shadow-lg:0 12px 56px rgba(11,22,40,0.1);
    --font:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--body);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}

/* ==================== HEADER ==================== */
header{position:sticky;top:0;z-index:100}
.hdr{background:rgba(255,255,255,0.88);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border-bottom:1px solid var(--border)}
.hdr-i{max-width:1200px;margin:0 auto;padding:10px 32px;display:flex;justify-content:space-between;align-items:center}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo img{height:34px}
.logo-txt{display:flex;flex-direction:column}
.logo-txt h1{font-size:15px;font-weight:700;color:var(--text);letter-spacing:-0.3px}
.logo-txt span{font-size:11px;color:var(--body);font-weight:500}
.hdr-r{display:flex;align-items:center;gap:14px;font-size:13px;font-weight:500}
.hdr-r a{color:var(--body);text-decoration:none;transition:color .25s}
.hdr-r a:hover{color:var(--blue)}
.hdr-btn{background:var(--blue);color:#fff!important;padding:9px 22px;border-radius:var(--radius-pill);font-weight:600;font-size:13px;transition:all .3s cubic-bezier(.22,1,.36,1)}
.hdr-btn:hover{background:#1552c4;transform:translateY(-1px);box-shadow:0 4px 20px rgba(29,107,240,0.25)}

/* NAV */
nav{background:rgba(255,255,255,0.93)}
.nav-i{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;gap:4px}
.nav-i::-webkit-scrollbar{display:none}
.nav-i a{color:var(--body);text-decoration:none;padding:10px 18px;font-size:13px;font-weight:500;white-space:nowrap;border-radius:8px 8px 0 0;transition:all .25s;position:relative}
.nav-i a::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--blue);border-radius:2px 2px 0 0;transform:translateX(-50%);transition:width .3s cubic-bezier(.22,1,.36,1)}
.nav-i a:hover{color:var(--blue);background:var(--blue-dim)}
.nav-i a.active{color:var(--blue);font-weight:600}
.nav-i a.active::after{width:60%}

/* ==================== BUTTONS ==================== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;text-decoration:none;
    transition:all .35s cubic-bezier(.22,1,.36,1);position:relative;overflow:hidden}
.btn-gold{background:linear-gradient(135deg,#d97706,#f59e0b);color:#fff;box-shadow:0 4px 24px rgba(217,119,6,0.30)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 36px rgba(217,119,6,0.40)}
.btn-gold:active{transform:translateY(0) scale(0.98)}
.btn-ghost{background:rgba(255,255,255,0.08);color:#fff;border:1px solid rgba(255,255,255,0.15);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,0.16);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(0.98)}

/* ==================== SECTIONS ==================== */
.sec{padding:110px 32px}
.sec-warm{background:var(--bg-warm)}
.sec-sky{background:var(--bg-sky)}
.sec-inner{max-width:1080px;margin:0 auto}
.sec-head{text-align:center;margin-bottom:64px}
.sec-head .pill{display:inline-flex;align-items:center;gap:5px;padding:5px 14px;border-radius:var(--radius-pill);
    background:var(--blue-dim);color:var(--blue);font-size:12px;font-weight:600;letter-spacing:0.5px;margin-bottom:16px;text-transform:uppercase}
.sec-head h2{font-size:clamp(28px,3vw,38px);font-weight:800;color:var(--text);margin-bottom:12px;letter-spacing:-0.5px}
.sec-head p{font-size:16px;color:var(--body);max-width:540px;margin:0 auto}
.sec-head .line{width:48px;height:3px;background:linear-gradient(90deg,var(--blue),var(--amber));margin:18px auto 0;border-radius:2px}

/* ==================== BANNER ==================== */
.page-banner{background:linear-gradient(165deg,#0b1628 0%,#13223b 40%,#1a3a5c 100%);color:#fff;padding:80px 32px;text-align:center;position:relative;overflow:hidden}
.page-banner .inner{position:relative;z-index:1;max-width:720px;margin:0 auto}
.page-banner .tag{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:var(--radius-pill);
    background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.12);color:rgba(255,255,255,0.75);font-size:12px;font-weight:500;margin-bottom:20px;backdrop-filter:blur(8px);letter-spacing:0.3px}
.page-banner h2{font-size:clamp(28px,3vw,38px);font-weight:800;margin-bottom:10px;letter-spacing:-0.5px}
.page-banner p{font-size:16px;opacity:.65;max-width:540px;margin:0 auto}

/* ==================== CTA ==================== */
.cta-block{background:linear-gradient(165deg,#0b1628 0%,#13223b 40%,#1a3a5c 100%);color:#fff;padding:80px 32px;text-align:center}
.cta-block h2{font-size:clamp(24px,2.5vw,32px);font-weight:800;margin-bottom:12px}
.cta-block p{color:rgba(255,255,255,0.55);font-size:15px;margin-bottom:32px}

/* ==================== FOOTER ==================== */
footer{background:#070e18;color:rgba(255,255,255,.3);padding:36px 32px;text-align:center;font-size:13px}
footer a{color:rgba(255,255,255,.5);text-decoration:none;transition:color .25s}
footer a:hover{color:rgba(255,255,255,.8)}
footer .f-div{width:60px;height:1px;background:rgba(255,255,255,.08);margin:12px auto}
footer .f-links{display:flex;justify-content:center;gap:20px;margin-bottom:14px;flex-wrap:wrap}
footer .f-links a{font-size:12px}

/* ==================== BREADCRUMB ==================== */
.bread-wrap{max-width:900px;margin:0 auto;padding:20px 24px 0}
.breadcrumb{font-size:13px;color:#94a3b8}
.breadcrumb a{color:var(--blue);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}

/* ==================== ANIMATIONS ==================== */
.reveal{opacity:0;transform:translateY(40px)}
.reveal-up{opacity:0;transform:translateY(50px)}

/* ==================== RESPONSIVE ==================== */
@media(max-width:900px){
    .hdr-i,.nav-i{padding-left:20px;padding-right:20px}
    .sec{padding:80px 24px}
    .page-banner{padding:60px 24px}
    .cta-block{padding:60px 24px}
}
@media(max-width:768px){
    .hdr-r .hdr-link{display:none}
}