/* ========================================
   168xysc.com — 鸿运红金主题 v1.0
   全新设计 · 与众不同
   ======================================== */

/* --- CSS Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;line-height:1.6}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#fef2f2;color:#1f2937;min-height:100vh}

/* --- CSS Variables (红金鸿运) --- */
:root{
  --primary:#dc2626;
  --primary-dark:#b91c1c;
  --primary-light:#fef2f2;
  --accent:#f59e0b;
  --accent-light:#fef3c7;
  --dark:#1e1b4b;
  --dark-2:#312e81;
  --gray-50:#f9fafb;
  --gray-100:#f3f4f6;
  --gray-200:#e5e7eb;
  --gray-300:#d1d5db;
  --gray-400:#9ca3af;
  --gray-500:#6b7280;
  --text:#1f2937;
  --text-light:#6b7280;
  --border:#e5e7eb;
  --white:#fff;
  --radius:8px;
  --radius-lg:12px;
  --radius-xl:16px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);
  --transition:.3s ease;
  --container:1200px;
}

/* --- Container --- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* --- Announcement Bar (全新元素) --- */
.announce-bar{background:linear-gradient(90deg,#1e1b4b,#312e81);color:#fbbf24;font-size:13px;font-weight:600;text-align:center;padding:8px 16px;letter-spacing:1px;overflow:hidden;white-space:nowrap;position:relative;z-index:1001}
.announce-bar .scroll-text{display:inline-block;animation:scrollAnnounce 20s linear infinite}
@keyframes scrollAnnounce{0%{transform:translateX(100%)}100%{transform:translateX(-100%)}}
.announce-bar span{display:inline-block;margin:0 20px}
.announce-bar i{margin-right:6px;color:#f59e0b}

/* --- Header --- */
.header{background:linear-gradient(135deg,#1e1b4b,#312e81 60%,#dc2626);position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(30,27,75,.3)}
.header-inner{display:flex;justify-content:space-between;align-items:center;max-width:var(--container);margin:0 auto;padding:0 20px;height:60px;position:relative}
.logo{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:900;color:#fff;text-decoration:none}
.logo .logo-icon{font-size:22px;color:#fbbf24}
.logo span{background:linear-gradient(90deg,#fbbf24,#f59e0b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.mobile-toggle{display:none;background:0 0;border:2px solid rgba(255,255,255,.3);color:#fff;font-size:20px;padding:6px 12px;border-radius:var(--radius);cursor:pointer;transition:var(--transition)}
.mobile-toggle:hover{border-color:#fbbf24;color:#fbbf24}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{color:rgba(255,255,255,.8);text-decoration:none;font-size:14px;font-weight:500;padding:8px 14px;border-radius:6px;transition:var(--transition);white-space:nowrap}
.nav-links a:hover,.nav-links a.active{background:rgba(251,191,36,.2);color:#fbbf24}
.nav-links a.active{font-weight:700}

/* --- Hero Section (全宽带渐变 + 浮动装饰) --- */
.page-hero{background:linear-gradient(135deg,#1e1b4b,#312e81 40%,#dc2626 80%,#b91c1c);position:relative;overflow:hidden;padding:60px 0 80px}
.page-hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 40%,rgba(251,191,36,.08) 0,transparent 60%),radial-gradient(circle at 70% 60%,rgba(220,38,38,.1) 0,transparent 50%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;position:relative;z-index:1}
.hero-label{display:inline-block;background:rgba(251,191,36,.15);color:#fbbf24;font-size:12px;font-weight:700;padding:4px 14px;border-radius:20px;margin-bottom:16px;letter-spacing:1px;text-transform:uppercase}
.hero-title{font-size:clamp(28px,4vw,44px);font-weight:900;line-height:1.15;color:#fff;margin-bottom:16px}
.hero-title .highlight{background:linear-gradient(90deg,#fbbf24,#f59e0b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:15px;color:rgba(255,255,255,.7);line-height:1.7;margin-bottom:24px;max-width:560px}
.hero-btn-group{display:flex;flex-wrap:wrap;gap:12px}
.hero-img img{width:100%;height:auto;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);border:3px solid rgba(251,191,36,.3)}

/* --- Breadcrumb --- */
.breadcrumb{display:flex;align-items:center;gap:6px;margin-bottom:24px;font-size:13px;color:rgba(255,255,255,.5)}
.breadcrumb a{color:rgba(255,255,255,.6);text-decoration:none}
.breadcrumb a:hover{color:#fbbf24}
.breadcrumb .sep{color:rgba(255,255,255,.3)}

/* --- Buttons --- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;font-size:15px;font-weight:700;border-radius:var(--radius);border:none;cursor:pointer;text-decoration:none;transition:var(--transition)}
.btn-primary{background:#dc2626;color:#fff}
.btn-primary:hover{background:#b91c1c;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-accent{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#1e1b4b}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(245,158,11,.4)}
.btn-outline{background:0 0;border:2px solid rgba(255,255,255,.3);color:#fff}
.btn-outline:hover{border-color:#fbbf24;color:#fbbf24;transform:translateY(-2px)}
.btn-lg{padding:14px 36px;font-size:17px}
.btn-sm{padding:8px 18px;font-size:13px}
.btn-gold{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#1e1b4b}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(245,158,11,.3);color:#1e1b4b}

/* --- Section --- */
.section{padding:64px 0}
.section-alt{background:var(--gray-50)}
.section-header{text-align:center;max-width:600px;margin:0 auto 40px}
.section-label{display:inline-block;background:rgba(220,38,38,.1);color:var(--primary);font-size:11px;font-weight:700;padding:4px 14px;border-radius:20px;margin-bottom:12px;letter-spacing:1px;text-transform:uppercase}
.section-title{font-size:clamp(22px,3vw,32px);font-weight:800;color:var(--dark);line-height:1.25}
.section-desc{font-size:14px;color:var(--text-light);margin-top:8px}

/* --- Stat Section (鸿运数字) --- */
.stats-section{padding:50px 0;background:linear-gradient(135deg,#1e1b4b,#312e81)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:20px;text-align:center}
.stat-number{font-size:clamp(28px,3.5vw,40px);font-weight:900;color:#fbbf24;font-variant-numeric:tabular-nums;display:block;line-height:1}
.stat-label{font-size:13px;color:rgba(255,255,255,.6);margin-top:6px}

/* --- Card --- */
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:var(--transition)}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.card.gold-border{border-top:3px solid var(--accent)}
.card.red-border{border-top:3px solid var(--primary)}
.card.icon-card{text-align:center;padding:32px 20px}
.card.icon-card i{font-size:40px;margin-bottom:12px;display:block}
.card.icon-card h3{font-size:15px;font-weight:700;margin-bottom:6px}
.card.icon-card p{font-size:13px;color:var(--text-light)}

/* --- Game Cards (全新游戏卡片) --- */
.game-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.game-card{position:relative;background:linear-gradient(135deg,var(--white),var(--gray-50));border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px;overflow:hidden;transition:var(--transition)}
.game-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.game-card::after{content:'';position:absolute;bottom:0;right:0;width:80px;height:80px;border-radius:50% 0 0 0;background:rgba(220,38,38,.03);pointer-events:none}
.game-card .gc-icon{font-size:36px;margin-bottom:10px;display:block}
.game-card h3{font-size:17px;font-weight:800;margin-bottom:4px}
.game-card p{font-size:13px;color:var(--text-light);margin-bottom:12px}
.game-card .gc-tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 10px;border-radius:12px}
.gc-tag.red{background:#fee2e2;color:#dc2626}
.gc-tag.gold{background:#fef3c7;color:#d97706}
.gc-tag.green{background:#d1fae5;color:#059669}
.gc-tag.blue{background:#dbeafe;color:#2563eb}

/* --- Step Flow (流程卡片) --- */
.step-flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}
.step-card{text-align:center;padding:28px 16px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);position:relative}
.step-card .step-num{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;margin:0 auto 12px}
.step-card h3{font-size:14px;font-weight:700;margin-bottom:4px}
.step-card p{font-size:12px;color:var(--text-light)}

/* --- Feature Grid (特色网格) --- */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.feature-item{display:flex;gap:14px;padding:20px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition)}
.feature-item:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.feature-item .fi-icon{font-size:24px;flex-shrink:0;color:var(--primary);margin-top:2px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:rgba(220,38,38,.08)}
.feature-item h4{font-size:14px;font-weight:700;margin-bottom:4px}
.feature-item p{font-size:12px;color:var(--text-light);line-height:1.5}

/* --- Info Table (信息表) --- */
.info-table{width:100%;max-width:480px;margin:0 auto}
.info-row{display:flex;justify-content:space-between;padding:12px 18px;background:var(--white);border:1px solid var(--border);border-radius:6px;margin-bottom:8px;font-size:14px}
.info-row:hover{background:rgba(220,38,38,.03);border-color:var(--primary)}
.info-row .ir-key{font-weight:600;color:var(--text)}
.info-row .ir-val{color:var(--primary);font-weight:700}

/* --- Advantage List (优势列表) --- */
.adv-list{display:flex;flex-direction:column;gap:10px;max-width:500px;margin:0 auto}
.adv-item{display:flex;gap:12px;padding:16px 20px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition)}
.adv-item:hover{border-color:var(--accent)}
.adv-item i{font-size:18px;color:var(--accent);margin-top:2px;flex-shrink:0}
.adv-item h4{font-size:14px;font-weight:600;margin-bottom:2px}
.adv-item p{font-size:12px;color:var(--text-light)}

/* --- Grid Helpers --- */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:768px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* --- FAQ --- */
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px;overflow:hidden}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;cursor:pointer;background:var(--white);font-weight:600;font-size:14px;transition:var(--transition)}
.faq-question:hover{background:rgba(220,38,38,.03)}
.faq-question i{transition:var(--transition);color:var(--gray-400)}
.faq-item.active .faq-question{color:var(--primary)}
.faq-item.active .faq-question i{transform:rotate(180deg);color:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;background:var(--gray-50)}
.faq-item.active .faq-answer{max-height:400px;padding:0 20px 16px}
.faq-answer p{font-size:13px;color:var(--text-light);line-height:1.7}

/* --- Review Cards --- */
.review-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:var(--transition)}
.review-card:hover{box-shadow:var(--shadow-md)}
.review-stars{color:var(--accent);margin-bottom:8px;font-size:14px}
.review-text{font-size:13px;color:var(--text-light);line-height:1.6;margin-bottom:12px;font-style:italic}
.review-author{font-size:12px;font-weight:600;color:var(--text)}

/* --- Cross Promo --- */
.cross-promo{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}
.cross-item{display:flex;flex-direction:column;align-items:center;gap:8px;padding:22px 16px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);text-decoration:none;color:var(--text);transition:var(--transition);text-align:center}
.cross-item:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--accent)}
.cross-item i{font-size:28px;color:var(--primary)}
.cross-item span{font-size:13px;font-weight:600}

/* --- CTA Banner --- */
.cta-banner{background:linear-gradient(135deg,#1e1b4b,#312e81 50%,#dc2626);padding:56px 24px;text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:-100%;left:-100%;width:300%;height:300%;background:radial-gradient(circle at 50% 30%,rgba(251,191,36,.06) 0,transparent 50%);pointer-events:none}
.cta-banner h2{font-size:clamp(24px,3vw,36px);font-weight:900;color:#fff;margin-bottom:8px}
.cta-banner p{font-size:15px;color:rgba(255,255,255,.6);margin-bottom:20px}
.cta-banner .hero-btn-group{justify-content:center;position:relative;z-index:1}

/* --- Contact Card --- */
.contact-section{background:var(--white);border-top:1px solid var(--border)}
.contact-card{text-align:center;padding:40px 24px}
.contact-card i{font-size:40px;color:var(--accent);margin-bottom:12px;display:block}
.contact-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.contact-card p{font-size:14px;color:var(--text-light)}

/* --- Footer --- */
.footer{background:linear-gradient(135deg,#1e1b4b,#312e81);color:rgba(255,255,255,.7);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:32px;margin-bottom:32px}
.footer-brand .logo{font-size:22px;margin-bottom:8px;display:inline-flex}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.5);margin-top:4px}
.footer-col h4{font-size:14px;font-weight:700;color:#fbbf24;margin-bottom:16px;text-transform:uppercase;letter-spacing:1px}
.footer-col a{display:block;color:rgba(255,255,255,.6);text-decoration:none;font-size:13px;padding:4px 0;transition:var(--transition)}
.footer-col a:hover{color:#fbbf24;padding-left:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.4)}
.footer-links{display:flex;gap:16px}
.footer-links a{color:rgba(255,255,255,.5);text-decoration:none;font-size:12px}

/* --- Badge --- */
.badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:12px}
.badge-red{background:#fee2e2;color:#dc2626}
.badge-gold{background:#fef3c7;color:#d97706}
.badge-green{background:#d1fae5;color:#059669}
.badge-blue{background:#dbeafe;color:#2563eb}
.badge-purple{background:#ede9fe;color:#7c3aed}

/* --- Lucky Numbers Display (鸿运数字展示) --- */
.lucky-nums{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:500px;margin:0 auto}
.lucky-ball{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;color:#fff;animation:pulse 2s ease-in-out infinite}
.lucky-ball:nth-child(1){background:linear-gradient(135deg,#dc2626,#f87171)}
.lucky-ball:nth-child(2){background:linear-gradient(135deg,#f59e0b,#fbbf24)}
.lucky-ball:nth-child(3){background:linear-gradient(135deg,#059669,#34d399)}
.lucky-ball:nth-child(4){background:linear-gradient(135deg,#2563eb,#60a5fa)}
.lucky-ball:nth-child(5){background:linear-gradient(135deg,#7c3aed,#a78bfa)}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}

/* --- Price Cards (价格卡) --- */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.price-card{background:var(--white);border:2px solid var(--border);border-radius:var(--radius-lg);padding:28px 20px;text-align:center;transition:var(--transition)}
.price-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.price-card.pc-featured{border-color:var(--accent);background:linear-gradient(135deg,#fffbeb,#fef3c7)}
.price-card .pc-name{font-size:14px;font-weight:700;margin-bottom:4px}
.price-card .pc-price{font-size:32px;font-weight:900;color:var(--primary);margin:8px 0}
.price-card .pc-desc{font-size:12px;color:var(--text-light);margin-bottom:12px}
.price-card .pc-features{text-align:left;margin:12px 0}
.price-card .pc-features li{list-style:none;font-size:12px;padding:4px 0;color:var(--text-light)}
.price-card .pc-features li i{color:var(--primary);margin-right:6px;width:14px;text-align:center}

/* --- Quick Links Grid (快捷入口) --- */
.quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.quick-btn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px 12px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;color:var(--text);font-size:13px;font-weight:600;transition:var(--transition)}
.quick-btn:hover{background:rgba(220,38,38,.04);border-color:var(--primary);transform:translateY(-2px)}
.quick-btn i{font-size:22px;color:var(--primary)}

/* --- Download Table --- */
.dl-table{display:flex;flex-direction:column;gap:10px;max-width:420px;margin:0 auto}
.dl-row{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition)}
.dl-row:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.dl-row .dl-info{display:flex;align-items:center;gap:10px}
.dl-row .dl-info i{font-size:20px;color:var(--primary)}

/* --- Toast (Copy feedback) --- */
.toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);background:var(--dark);color:#fff;padding:12px 28px;border-radius:var(--radius);font-size:14px;font-weight:600;z-index:9999;opacity:0;transition:opacity .3s;pointer-events:none}
.toast.show{opacity:1}

/* --- Text helpers --- */
.text-center{text-align:center}

/* --- Responsive --- */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-grid{gap:24px}
}
@media(max-width:768px){
  .mobile-toggle{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#1e1b4b;flex-direction:column;padding:12px 20px 20px;box-shadow:var(--shadow-lg);z-index:200;border-top:1px solid rgba(255,255,255,.1)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;width:100%;border-radius:6px}
  .hero-grid{grid-template-columns:1fr}
  .hero-img{order:-1}
  .hero-img img{max-height:260px;object-fit:cover}
  .hero-btn-group{flex-direction:column}
  .hero-btn-group .btn{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .section{padding:44px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .game-cards{grid-template-columns:1fr}
  .step-flow{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:1fr}
  .cross-promo{grid-template-columns:repeat(2,1fr)}
  .info-row{flex-direction:column;text-align:center;gap:4px}
  .dl-row{flex-direction:column;gap:8px;text-align:center}
}
@media(max-width:480px){
  .step-flow{grid-template-columns:1fr}
  .cross-promo{grid-template-columns:1fr}
  .lucky-ball{width:48px;height:48px;font-size:16px}
  .stats-grid{grid-template-columns:1fr 1fr}
}