/* ===== JKFW 2026 深海主题 - 购票专用 ===== */
* { margin:0; padding:0; box-sizing:border-box; }
html { overflow-x: hidden; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0A1A2F;
    color: #F0F8FF;
    min-height: 100vh;
    background-image: radial-gradient(ellipse at 10% 20%, rgba(0,212,200,0.08) 0%, transparent 50%),
                      radial-gradient(ellipse at 90% 80%, rgba(230,200,124,0.06) 0%, transparent 50%);
    padding: 20px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
.container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 5;
}
:root {
    --abyss: #0A1A2F;
    --biolight: #00D4C8;
    --metamorph-gold: #E6C87C;
    --data-white: #F0F8FF;
    --glass-bg: rgba(10, 26, 47, 0.6);
    --glass-border: rgba(0, 212, 200, 0.25);
}
/* 视频背景 */
.video-bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
}
.bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
}
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10,26,47,0.6);
    z-index: 1;
}
#bubble-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    touch-action: none;
}
@media (max-width:768px){ .video-bg-container{ display:none; } body{ background:#0A1A2F; } }

/* 导航 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0 12px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    flex-wrap: wrap;
    gap: 16px;
}
.logo { display:flex; align-items:center; flex:1; }
.nav-logo-main {
    height: 52px;
    width: auto;
    filter: drop-shadow(0 0 6px rgba(0,212,200,0.3));
    transition: filter 0.3s ease;
}
.nav-logo-main:hover { filter: brightness(1.2) saturate(1.3) drop-shadow(0 0 12px var(--biolight)); }
.nav-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}
.nav-links a {
    color: var(--data-white);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    padding: 6px 14px;
    border-radius: 40px;
    transition: 0.3s;
}
.nav-links a:hover { background:rgba(0,212,200,0.12); }
.nav-links a.special-lp {
    background: rgba(0,212,200,0.12);
    border: 1px solid rgba(0,212,200,0.3);
}
@media (max-width:768px) {
    .navbar { flex-direction:column; align-items:center; padding:10px 0; }
    .logo { flex:none; }
    .nav-links { margin-left:0; justify-content:center; gap:8px; }
    .nav-links a { font-size:12px; padding:4px 10px; }
}

/* 头部 */
.header {
    text-align: center;
    padding: 30px 0 20px;
}
.header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--biolight), var(--metamorph-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}
.header .sub {
    color: rgba(240,248,255,0.7);
    font-size: 1.05rem;
    margin-top: 6px;
}

/* 购票卡片 */
.ticket-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin: 25px 0;
}
.ticket-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-radius: 24px;
    padding: 24px 20px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    text-align: center;
}
.ticket-card:hover { transform: translateY(-5px); border-color: var(--biolight); }
.ticket-card .name { font-size:1.4rem; font-weight:700; }
.ticket-card .price { font-size:1.8rem; color:var(--metamorph-gold); margin:8px 0; }
.ticket-card .remaining { color:rgba(240,248,255,0.5); font-size:0.9rem; }
.ticket-card .qty-input {
    width: 80px;
    padding: 8px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 1.2rem;
    text-align: center;
    margin: 10px 0;
}
.ticket-card .qty-input:focus { outline:none; border-color:var(--biolight); }
.ticket-card .free-badge {
    display: inline-block;
    background: rgba(230,200,124,0.15);
    color: var(--metamorph-gold);
    padding: 2px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
}

/* 表单 */
.form-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-radius: 24px;
    padding: 30px;
    border: 1px solid var(--glass-border);
    margin: 20px 0;
}
.form-card .form-group { margin-bottom: 18px; }
.form-card label { display:block; font-weight:600; color:rgba(240,248,255,0.8); margin-bottom:4px; font-size:0.95rem; }
.form-card input, .form-card select {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 1rem;
}
.form-card input:focus { outline:none; border-color:var(--biolight); }

/* 支付方式 */
.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin: 10px 0;
}
.payment-option {
    background: rgba(255,255,255,0.03);
    border: 2px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: 0.3s;
}
.payment-option:hover { background: rgba(255,255,255,0.06); }
.payment-option.selected { border-color: var(--biolight); background: rgba(0,212,200,0.05); }
.payment-option .icon { font-size: 2rem; display: block; margin-bottom: 4px; }
.payment-option .label { font-weight: 600; font-size: 0.9rem; }
.payment-option .desc { color: rgba(240,248,255,0.4); font-size: 0.75rem; }
.payment-option input[type="radio"] { display: none; }

/* 按钮 */
.btn {
    display: inline-block;
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: 0.3s;
    border: none;
    cursor: pointer;
}
.btn-primary {
    background: linear-gradient(135deg, var(--biolight), var(--metamorph-gold));
    color: var(--abyss);
    box-shadow: 0 0 20px rgba(0,212,200,0.3);
    width: 100%;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,212,200,0.5); }
.btn-outline {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--data-white);
}
.btn-outline:hover { border-color: var(--biolight); color: var(--biolight); }

/* 总计 */
.total-box {
    text-align: right;
    font-size: 1.4rem;
    padding: 15px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: 10px;
}
.total-box strong { color: var(--metamorph-gold); font-size: 2rem; }

/* 消息 */
.msg {
    padding: 14px 18px;
    border-radius: 16px;
    margin: 15px 0;
    font-weight: 500;
}
.msg-error { background: rgba(255,107,107,0.1); border:1px solid #ff6b6b; color:#ff6b6b; }
.msg-success { background: rgba(81,207,102,0.1); border:1px solid #51cf66; color:#51cf66; }
.msg-info { background: rgba(0,212,200,0.1); border:1px solid var(--biolight); color:var(--biolight); }

/* 页脚 */
footer {
    margin-top: 60px;
    padding: 30px 0 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.8rem;
    color: rgba(240,248,255,0.4);
}
footer a { color: var(--biolight); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* 水母固定按钮 */
.jellyfish-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: rgba(10,26,47,0.7);
    backdrop-filter: blur(8px);
    border: 2px solid var(--biolight);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--biolight);
    box-shadow: 0 0 30px rgba(0,212,200,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    animation: float 3s infinite ease-in-out;
    text-decoration: none;
}
.jellyfish-top svg { width:24px; height:24px; fill:currentColor; margin-bottom:2px; }
.jellyfish-top .top-text { font-size:10px; font-weight:bold; letter-spacing:1px; color:var(--biolight); }
.jellyfish-top:hover { transform:scale(1.1); background:var(--biolight); color:var(--abyss); }
.jellyfish-top:hover .top-text { color:var(--abyss); }
@keyframes float { 0%{transform:translateY(0px)} 50%{transform:translateY(-10px)} 100%{transform:translateY(0px)} }
@media (max-width:768px){
    .jellyfish-top { width:50px; height:50px; bottom:20px; right:20px; }
    .jellyfish-top svg { width:20px; height:20px; }
    .jellyfish-top .top-text { font-size:8px; }
}