/* ============================================
   17c 影视传媒 · 视频社区 — 主样式表
   Brand: 17c | Domain: rishengjx.cn
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  --primary: #0d1b2a;
  --secondary: #1a2e45;
  --accent: #e63946;
  --accent2: #00b4d8;
  --accent3: #f4a261;
  --gold: #ffd166;
  --text-main: #e8eaf0;
  --text-muted: #9ba8b5;
  --text-dark: #1a1a2e;
  --card-bg: #162032;
  --card-border: rgba(0,180,216,0.18);
  --nav-bg: rgba(10,20,35,0.97);
  --footer-bg: #080f1a;
  --radius: 10px;
  --radius-lg: 18px;
  --shadow: 0 4px 24px rgba(0,0,0,0.45);
  --shadow-card: 0 2px 16px rgba(0,180,216,0.10);
  --transition: 0.28s cubic-bezier(.4,0,.2,1);
  --font-main: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
}

/* ---- Reset & Base ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
body{
  font-family:var(--font-main);
  background:var(--primary);
  color:var(--text-main);
  line-height:1.7;
  overflow-x:hidden;
}
a{color:var(--accent2);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--gold);}
img{max-width:100%;height:auto;display:block;}
ul,ol{list-style:none;}
button{cursor:pointer;font-family:var(--font-main);}

/* ---- Scrollbar ---- */
::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:var(--primary);}
::-webkit-scrollbar-thumb{background:var(--accent2);border-radius:3px;}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:var(--nav-bg);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(0,180,216,0.15);
  box-shadow:0 2px 20px rgba(0,0,0,0.5);
}
.header-inner{
  max-width:1300px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;height:68px;
}
.logo-wrap{display:flex;align-items:center;gap:12px;}
.logo-wrap img.site-logo{width:46px;height:46px;border-radius:50%;object-fit:cover;}
.logo-wrap .brand-name{
  font-size:1.5rem;font-weight:800;letter-spacing:2px;
  background:linear-gradient(135deg,var(--accent2),var(--gold));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.logo-wrap .brand-sub{font-size:.72rem;color:var(--text-muted);display:block;margin-top:-4px;letter-spacing:1px;}

/* Main Nav */
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  padding:8px 14px;border-radius:6px;
  font-size:.9rem;font-weight:500;color:var(--text-main);
  transition:all var(--transition);white-space:nowrap;
}
.main-nav a:hover,.main-nav a.active{
  background:rgba(0,180,216,0.15);color:var(--accent2);
}
.nav-dropdown{position:relative;}
.nav-dropdown .dropdown-menu{
  display:none;position:absolute;top:100%;left:0;
  background:var(--secondary);border:1px solid var(--card-border);
  border-radius:var(--radius);min-width:150px;
  box-shadow:var(--shadow);z-index:200;padding:6px 0;
}
.nav-dropdown:hover .dropdown-menu{display:block;}
.nav-dropdown .dropdown-menu a{
  display:block;padding:9px 18px;font-size:.88rem;
  color:var(--text-main);border-radius:0;
}
.nav-dropdown .dropdown-menu a:hover{background:rgba(0,180,216,0.12);color:var(--accent2);}

/* Mobile toggle */
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:4px;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text-main);border-radius:2px;transition:var(--transition);}

/* Search Bar */
.header-search{
  display:flex;align-items:center;
  background:rgba(255,255,255,0.07);
  border:1px solid rgba(0,180,216,0.2);
  border-radius:24px;overflow:hidden;
  transition:border-color var(--transition);
}
.header-search:focus-within{border-color:var(--accent2);}
.header-search input{
  background:none;border:none;outline:none;
  color:var(--text-main);padding:7px 14px;
  font-size:.88rem;width:180px;
}
.header-search input::placeholder{color:var(--text-muted);}
.header-search button{
  background:var(--accent2);border:none;
  padding:7px 14px;color:#fff;font-size:.88rem;
  transition:background var(--transition);
}
.header-search button:hover{background:var(--accent);}

/* ============================================
   HERO / BANNER
   ============================================ */
.hero-section{
  position:relative;min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;padding-top:68px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('../images/banner_main.jpg');
  background-size:cover;background-position:center;
  filter:brightness(0.45);
  transform:scale(1.03);
  transition:transform 8s ease;
}
.hero-section:hover .hero-bg{transform:scale(1.0);}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,27,42,0.3) 0%,rgba(13,27,42,0.7) 60%,var(--primary) 100%);
}
.hero-content{
  position:relative;z-index:2;
  text-align:center;max-width:860px;padding:0 24px;
}
.hero-badge{
  display:inline-block;
  background:rgba(230,57,70,0.2);border:1px solid var(--accent);
  color:var(--accent);font-size:.8rem;font-weight:600;
  padding:4px 14px;border-radius:20px;letter-spacing:2px;
  margin-bottom:20px;text-transform:uppercase;
}
.hero-content h1{
  font-size:clamp(2.2rem,6vw,4rem);font-weight:900;
  line-height:1.15;margin-bottom:20px;
  text-shadow:0 2px 20px rgba(0,0,0,0.6);
}
.hero-content h1 .brand-hl{
  background:linear-gradient(135deg,var(--accent2),var(--gold));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-desc{
  font-size:1.1rem;color:rgba(232,234,240,0.85);
  max-width:620px;margin:0 auto 32px;line-height:1.8;
}
.hero-stats{
  display:flex;gap:40px;justify-content:center;margin-bottom:36px;flex-wrap:wrap;
}
.hero-stat{text-align:center;}
.hero-stat .num{
  font-size:2rem;font-weight:800;
  background:linear-gradient(135deg,var(--accent2),var(--gold));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-stat .label{font-size:.8rem;color:var(--text-muted);margin-top:2px;}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:8px;font-size:.95rem;font-weight:600;
  border:none;transition:all var(--transition);letter-spacing:.5px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),#c1121f);
  color:#fff;box-shadow:0 4px 20px rgba(230,57,70,0.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(230,57,70,0.55);color:#fff;}
.btn-outline{
  background:transparent;color:var(--accent2);
  border:2px solid var(--accent2);
}
.btn-outline:hover{background:var(--accent2);color:#fff;transform:translateY(-2px);}

/* ============================================
   SECTION COMMON
   ============================================ */
.section{padding:80px 0;}
.section-alt{background:var(--secondary);}
.container{max-width:1300px;margin:0 auto;padding:0 24px;}
.section-header{text-align:center;margin-bottom:52px;}
.section-tag{
  display:inline-block;
  background:rgba(0,180,216,0.12);border:1px solid rgba(0,180,216,0.3);
  color:var(--accent2);font-size:.78rem;font-weight:600;
  padding:4px 14px;border-radius:20px;letter-spacing:2px;
  margin-bottom:14px;text-transform:uppercase;
}
.section-title{
  font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;
  margin-bottom:14px;
}
.section-title .hl{color:var(--accent2);}
.section-desc{color:var(--text-muted);max-width:560px;margin:0 auto;font-size:.95rem;}

/* ============================================
   VIDEO CARDS
   ============================================ */
.video-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:24px;
}
.video-card{
  background:var(--card-bg);border-radius:var(--radius-lg);
  overflow:hidden;border:1px solid var(--card-border);
  transition:all var(--transition);cursor:pointer;
  box-shadow:var(--shadow-card);
}
.video-card:hover{
  transform:translateY(-6px);
  border-color:var(--accent2);
  box-shadow:0 8px 32px rgba(0,180,216,0.2);
}
.video-thumb{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;background:#0a1520;
}
.video-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 0.4s ease;
}
.video-card:hover .video-thumb img{transform:scale(1.06);}
.play-btn{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,0.3);
  opacity:0;transition:opacity var(--transition);
}
.video-card:hover .play-btn{opacity:1;}
.play-btn svg{
  width:56px;height:56px;
  filter:drop-shadow(0 2px 8px rgba(0,0,0,0.6));
  transition:transform var(--transition);
}
.video-card:hover .play-btn svg{transform:scale(1.1);}
.video-duration{
  position:absolute;bottom:8px;right:10px;
  background:rgba(0,0,0,0.75);color:#fff;
  font-size:.75rem;padding:2px 7px;border-radius:4px;
}
.video-tag{
  position:absolute;top:10px;left:10px;
  background:var(--accent);color:#fff;
  font-size:.7rem;font-weight:700;padding:2px 9px;border-radius:4px;
  letter-spacing:.5px;
}
.video-info{padding:16px;}
.video-info h3{font-size:.95rem;font-weight:700;margin-bottom:8px;line-height:1.4;}
.video-meta{
  display:flex;align-items:center;gap:14px;
  font-size:.78rem;color:var(--text-muted);
}
.video-meta span{display:flex;align-items:center;gap:4px;}
.video-author{
  display:flex;align-items:center;gap:8px;
  margin-top:10px;padding-top:10px;
  border-top:1px solid rgba(255,255,255,0.06);
}
.author-avatar{
  width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent2),var(--accent));
  display:flex;align-items:center;justify-content:center;
  font-size:.7rem;font-weight:700;color:#fff;flex-shrink:0;
}
.author-name{font-size:.8rem;color:var(--text-muted);}

/* ============================================
   FEATURE MODULES
   ============================================ */
.feature-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;
}
.feature-card{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius-lg);padding:28px 22px;
  text-align:center;transition:all var(--transition);
}
.feature-card:hover{
  border-color:var(--accent2);
  transform:translateY(-4px);
  box-shadow:0 6px 28px rgba(0,180,216,0.15);
}
.feature-icon{
  width:60px;height:60px;border-radius:16px;
  background:linear-gradient(135deg,rgba(0,180,216,0.15),rgba(230,57,70,0.1));
  border:1px solid rgba(0,180,216,0.2);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;font-size:1.6rem;
}
.feature-card h3{font-size:1rem;font-weight:700;margin-bottom:8px;}
.feature-card p{font-size:.84rem;color:var(--text-muted);line-height:1.6;}

/* ============================================
   EXPERT CARDS
   ============================================ */
.expert-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;
}
.expert-card{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:all var(--transition);
}
.expert-card:hover{
  border-color:var(--gold);
  box-shadow:0 6px 28px rgba(255,209,102,0.12);
  transform:translateY(-4px);
}
.expert-avatar{
  width:80px;height:80px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent2),var(--accent));
  display:flex;align-items:center;justify-content:center;
  font-size:2rem;margin:24px auto 0;
  border:3px solid rgba(0,180,216,0.3);
}
.expert-info{padding:16px 20px 20px;text-align:center;}
.expert-info h3{font-size:1.05rem;font-weight:700;margin-bottom:4px;}
.expert-role{font-size:.8rem;color:var(--accent2);margin-bottom:8px;}
.expert-desc{font-size:.82rem;color:var(--text-muted);line-height:1.6;margin-bottom:14px;}
.expert-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:14px;}
.expert-tag{
  background:rgba(0,180,216,0.1);border:1px solid rgba(0,180,216,0.2);
  color:var(--accent2);font-size:.72rem;padding:2px 9px;border-radius:12px;
}
.expert-btns{display:flex;gap:8px;justify-content:center;}
.btn-sm{
  padding:6px 14px;font-size:.78rem;border-radius:6px;
  border:1px solid var(--accent2);color:var(--accent2);
  background:transparent;transition:all var(--transition);
}
.btn-sm:hover{background:var(--accent2);color:#fff;}
.btn-sm.solid{background:var(--accent2);color:#fff;border-color:var(--accent2);}
.btn-sm.solid:hover{background:var(--accent);border-color:var(--accent);}

/* ============================================
   REVIEWS
   ============================================ */
.reviews-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;
}
.review-card{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius-lg);padding:22px;
  transition:all var(--transition);
}
.review-card:hover{border-color:var(--gold);transform:translateY(-3px);}
.review-stars{color:var(--gold);font-size:1rem;margin-bottom:10px;letter-spacing:2px;}
.review-text{font-size:.88rem;color:var(--text-main);line-height:1.7;margin-bottom:14px;}
.review-author{
  display:flex;align-items:center;gap:10px;
  padding-top:12px;border-top:1px solid rgba(255,255,255,0.06);
}
.review-avatar{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-size:.85rem;font-weight:700;color:#fff;flex-shrink:0;
}
.review-name{font-size:.85rem;font-weight:600;}
.review-date{font-size:.75rem;color:var(--text-muted);}

/* ============================================
   FAQ
   ============================================ */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius);margin-bottom:12px;overflow:hidden;
}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;cursor:pointer;font-weight:600;font-size:.95rem;
  transition:background var(--transition);
}
.faq-q:hover{background:rgba(0,180,216,0.07);}
.faq-q .icon{
  width:24px;height:24px;border-radius:50%;
  background:rgba(0,180,216,0.15);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;font-size:.9rem;color:var(--accent2);
  transition:transform var(--transition);
}
.faq-item.open .faq-q .icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 0.35s ease,padding 0.35s ease;
  padding:0 22px;font-size:.88rem;color:var(--text-muted);line-height:1.8;
}
.faq-item.open .faq-a{max-height:300px;padding:0 22px 18px;}

/* ============================================
   PARTNERS LOGO WALL
   ============================================ */
.partners-grid{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:center;
}
.partner-item{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius);padding:14px 24px;
  font-size:.88rem;font-weight:600;color:var(--text-muted);
  transition:all var(--transition);
}
.partner-item:hover{border-color:var(--accent2);color:var(--accent2);}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;
}
.contact-info h3{font-size:1.2rem;font-weight:700;margin-bottom:20px;}
.contact-item{
  display:flex;align-items:flex-start;gap:14px;
  margin-bottom:18px;
}
.contact-icon{
  width:42px;height:42px;border-radius:10px;
  background:rgba(0,180,216,0.12);border:1px solid rgba(0,180,216,0.2);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;flex-shrink:0;
}
.contact-text strong{display:block;font-size:.88rem;color:var(--text-muted);margin-bottom:2px;}
.contact-text span{font-size:.95rem;color:var(--text-main);}
.qr-row{display:flex;gap:24px;margin-top:24px;flex-wrap:wrap;}
.qr-item{text-align:center;}
.qr-item img{width:120px;height:120px;border-radius:10px;border:2px solid var(--card-border);}
.qr-item p{font-size:.78rem;color:var(--text-muted);margin-top:6px;}

/* ============================================
   SOCIAL SHARE
   ============================================ */
.share-bar{
  display:flex;gap:12px;flex-wrap:wrap;justify-content:center;
  padding:24px 0;
}
.share-btn{
  display:flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:8px;font-size:.85rem;font-weight:600;
  border:none;color:#fff;transition:all var(--transition);
}
.share-wechat{background:#07C160;}
.share-weibo{background:#E6162D;}
.share-douyin{background:#010101;border:1px solid #333;}
.share-bilibili{background:#00A1D6;}
.share-btn:hover{transform:translateY(-2px);opacity:.9;color:#fff;}

/* ============================================
   FOOTER
   ============================================ */
.site-footer{
  background:var(--footer-bg);
  border-top:1px solid rgba(0,180,216,0.1);
  padding:60px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;
}
.footer-brand .logo-wrap{margin-bottom:14px;}
.footer-brand p{font-size:.85rem;color:var(--text-muted);line-height:1.8;max-width:300px;}
.footer-col h4{
  font-size:.95rem;font-weight:700;margin-bottom:16px;
  color:var(--text-main);position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;bottom:0;left:0;
  width:30px;height:2px;background:var(--accent2);border-radius:1px;
}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul li a{font-size:.85rem;color:var(--text-muted);transition:color var(--transition);}
.footer-col ul li a:hover{color:var(--accent2);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
}
.footer-bottom p{font-size:.82rem;color:var(--text-muted);}
.footer-bottom a{color:var(--text-muted);}
.footer-bottom a:hover{color:var(--accent2);}
.update-time{font-size:.8rem;color:var(--text-muted);}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb{
  padding:18px 0;font-size:.85rem;color:var(--text-muted);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-muted);}
.breadcrumb a:hover{color:var(--accent2);}
.breadcrumb span{color:var(--text-main);}

/* ============================================
   INNER PAGE HERO
   ============================================ */
.inner-hero{
  padding:120px 0 60px;
  background:linear-gradient(135deg,var(--secondary) 0%,var(--primary) 100%);
  border-bottom:1px solid rgba(0,180,216,0.1);
}
.inner-hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;margin-bottom:12px;}
.inner-hero p{color:var(--text-muted);max-width:600px;}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar{
  background:var(--secondary);
  border-top:1px solid rgba(0,180,216,0.1);
  border-bottom:1px solid rgba(0,180,216,0.1);
  padding:28px 0;
}
.stats-row{
  display:flex;justify-content:space-around;flex-wrap:wrap;gap:24px;
}
.stat-item{text-align:center;}
.stat-item .num{
  font-size:1.8rem;font-weight:800;
  background:linear-gradient(135deg,var(--accent2),var(--gold));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.stat-item .label{font-size:.78rem;color:var(--text-muted);margin-top:2px;}

/* ============================================
   COMMUNITY SECTION
   ============================================ */
.community-cards{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;
}
.community-card{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius-lg);padding:24px;
  transition:all var(--transition);
}
.community-card:hover{border-color:var(--accent);transform:translateY(-4px);}
.community-card .icon{font-size:2rem;margin-bottom:14px;}
.community-card h3{font-size:1rem;font-weight:700;margin-bottom:8px;}
.community-card p{font-size:.84rem;color:var(--text-muted);line-height:1.6;}

/* ============================================
   AI MODULE
   ============================================ */
.ai-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.ai-visual img{border-radius:var(--radius-lg);box-shadow:var(--shadow);}
.ai-content h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;margin-bottom:16px;}
.ai-content p{color:var(--text-muted);margin-bottom:20px;line-height:1.8;}
.ai-features{display:flex;flex-direction:column;gap:12px;}
.ai-feature-item{
  display:flex;align-items:flex-start;gap:12px;
  background:rgba(0,180,216,0.06);border:1px solid rgba(0,180,216,0.12);
  border-radius:var(--radius);padding:14px;
}
.ai-feature-item .icon{font-size:1.3rem;flex-shrink:0;margin-top:2px;}
.ai-feature-item strong{display:block;font-size:.9rem;margin-bottom:4px;}
.ai-feature-item p{font-size:.82rem;color:var(--text-muted);margin:0;}

/* ============================================
   HOW-TO GUIDE
   ============================================ */
.howto-steps{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;
  counter-reset:step;
}
.howto-step{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius-lg);padding:24px;text-align:center;
  position:relative;
}
.howto-step::before{
  counter-increment:step;content:counter(step);
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent2),var(--accent));
  color:#fff;font-size:.85rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.howto-step .icon{font-size:2rem;margin:10px 0 12px;}
.howto-step h3{font-size:.95rem;font-weight:700;margin-bottom:8px;}
.howto-step p{font-size:.82rem;color:var(--text-muted);}

/* ============================================
   TAGS / LABELS
   ============================================ */
.tag{
  display:inline-block;
  background:rgba(0,180,216,0.1);border:1px solid rgba(0,180,216,0.2);
  color:var(--accent2);font-size:.75rem;padding:3px 10px;border-radius:12px;
}
.tag-red{background:rgba(230,57,70,0.1);border-color:rgba(230,57,70,0.2);color:var(--accent);}
.tag-gold{background:rgba(255,209,102,0.1);border-color:rgba(255,209,102,0.2);color:var(--gold);}

/* ============================================
   NOTIFICATION BAR
   ============================================ */
.notice-bar{
  background:linear-gradient(90deg,var(--accent),#c1121f);
  padding:10px 0;text-align:center;font-size:.85rem;font-weight:600;
  letter-spacing:.5px;
}
.notice-bar a{color:#fff;}

/* ============================================
   BACK TO TOP
   ============================================ */
#backTop{
  position:fixed;bottom:32px;right:32px;z-index:999;
  width:44px;height:44px;border-radius:50%;
  background:var(--accent2);color:#fff;border:none;
  font-size:1.2rem;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(0,180,216,0.4);
  opacity:0;pointer-events:none;transition:all var(--transition);
}
#backTop.show{opacity:1;pointer-events:auto;}
#backTop:hover{background:var(--accent);transform:translateY(-3px);}

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .ai-grid{grid-template-columns:1fr;}
}
@media(max-width:768px){
  .main-nav{
    display:none;position:fixed;top:68px;left:0;right:0;
    background:var(--nav-bg);flex-direction:column;
    padding:16px 0;border-bottom:1px solid var(--card-border);
    gap:0;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 24px;border-radius:0;width:100%;}
  .nav-dropdown .dropdown-menu{position:static;display:block;box-shadow:none;border:none;background:rgba(0,0,0,0.2);}
  .nav-toggle{display:flex;}
  .header-search{display:none;}
  .hero-stats{gap:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .video-grid{grid-template-columns:1fr;}
  .expert-grid{grid-template-columns:1fr 1fr;}
  .howto-steps{grid-template-columns:1fr 1fr;}
}
@media(max-width:480px){
  .expert-grid{grid-template-columns:1fr;}
  .howto-steps{grid-template-columns:1fr;}
  .hero-btns{flex-direction:column;align-items:center;}
  .qr-row{justify-content:center;}
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp{
  from{opacity:0;transform:translateY(30px);}
  to{opacity:1;transform:translateY(0);}
}
@keyframes pulse{
  0%,100%{opacity:1;}50%{opacity:.6;}
}
.animate-fade-up{animation:fadeInUp .6s ease forwards;}
.live-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--accent);animation:pulse 1.5s infinite;margin-right:6px;
}

/* ============================================
   GAME PAGE SPECIFIC
   ============================================ */
.game-hero{
  position:relative;height:420px;overflow:hidden;
  display:flex;align-items:center;
}
.game-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  filter:brightness(0.4);
}
.game-hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,27,42,0.9) 0%,rgba(13,27,42,0.3) 100%);
}
.game-hero-content{position:relative;z-index:2;padding:0 40px;}
.game-hero-content h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:900;margin-bottom:12px;}
.game-hero-content p{color:rgba(232,234,240,0.8);max-width:500px;font-size:1rem;}