/* 17C官网 - 极简高端风格 主样式表 */
:root {
  --primary: #0a0a0f;
  --secondary: #1a1a2e;
  --accent: #4f8ef7;
  --accent2: #7c5cbf;
  --text: #1a1a2e;
  --text-light: #6b7280;
  --text-muted: #9ca3af;
  --bg: #ffffff;
  --bg-soft: #f8f9fc;
  --bg-dark: #0a0a0f;
  --border: #e5e7eb;
  --border-dark: #2a2a3e;
  --gold: #c9a84c;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 40px rgba(0,0,0,0.10);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ===== 滚动条 ===== */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:#f1f1f1}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,10,15,0.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-dark);transition:var(--transition)}
.nav.scrolled{background:rgba(10,10,15,0.98);box-shadow:0 2px 20px rgba(0,0,0,0.3)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:#fff;letter-spacing:0.05em}
.nav-logo span{color:var(--accent)}
.nav-logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:0.85rem;font-weight:900;color:#fff}
.nav-menu{display:flex;align-items:center;gap:2rem}
.nav-menu a{color:rgba(255,255,255,0.8);font-size:0.9rem;font-weight:500;letter-spacing:0.02em;transition:var(--transition);position:relative;padding:4px 0}
.nav-menu a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent);transition:var(--transition)}
.nav-menu a:hover{color:#fff}
.nav-menu a:hover::after{width:100%}
.nav-cta{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff!important;padding:8px 20px!important;border-radius:50px;font-weight:600!important;transition:var(--transition)!important}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 15px rgba(79,142,247,0.4)}
.nav-cta::after{display:none!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:var(--transition)}

/* ===== 搜索栏 ===== */
.search-bar{background:rgba(255,255,255,0.04);border-bottom:1px solid rgba(255,255,255,0.06);padding:10px 0}
.search-bar-inner{max-width:1280px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;gap:12px}
.search-wrap{flex:1;max-width:600px;margin:0 auto;position:relative}
.search-wrap input{width:100%;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.12);border-radius:50px;padding:9px 20px 9px 44px;color:#fff;font-size:0.88rem;font-family:var(--font);outline:none;transition:var(--transition)}
.search-wrap input::placeholder{color:rgba(255,255,255,0.35)}
.search-wrap input:focus{border-color:var(--accent);background:rgba(255,255,255,0.1)}
.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:rgba(255,255,255,0.4);pointer-events:none}
.search-btn{background:var(--accent);color:#fff;border:none;border-radius:50px;padding:9px 22px;font-size:0.88rem;font-weight:600;cursor:pointer;transition:var(--transition);white-space:nowrap}
.search-btn:hover{background:#3a7de0;transform:translateY(-1px)}

/* ===== Hero Banner ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--bg-dark)}
.hero-bg{position:absolute;inset:0;background-image:url('../images/hero_banner.jpg');background-size:cover;background-position:center;opacity:0.4}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,10,15,0.85) 0%,rgba(26,26,46,0.7) 50%,rgba(10,10,15,0.9) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;padding:0 2rem;max-width:900px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(79,142,247,0.15);border:1px solid rgba(79,142,247,0.3);border-radius:50px;padding:6px 18px;color:var(--accent);font-size:0.82rem;font-weight:600;letter-spacing:0.05em;margin-bottom:2rem;animation:fadeInDown 0.8s ease}
.hero-badge::before{content:'';width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}
.hero h1{font-size:clamp(2.5rem,6vw,5rem);font-weight:900;color:#fff;line-height:1.1;margin-bottom:1.5rem;letter-spacing:-0.02em;animation:fadeInUp 0.8s ease 0.2s both}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:1.15rem;color:rgba(255,255,255,0.7);max-width:600px;margin:0 auto 2.5rem;line-height:1.8;animation:fadeInUp 0.8s ease 0.4s both}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;animation:fadeInUp 0.8s ease 0.6s both}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:14px 36px;border-radius:50px;font-size:1rem;font-weight:700;letter-spacing:0.02em;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(79,142,247,0.4)}
.btn-outline{background:transparent;color:#fff;padding:14px 36px;border-radius:50px;font-size:1rem;font-weight:600;border:1.5px solid rgba(255,255,255,0.3);transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,0.08);transform:translateY(-2px)}
.hero-scroll{position:absolute;bottom:2.5rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,0.4);font-size:0.78rem;letter-spacing:0.1em;animation:bounce 2s infinite}
.hero-scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,transparent,rgba(255,255,255,0.4));animation:scrollLine 2s infinite}

/* ===== 通用区块 ===== */
.section{padding:100px 0}
.section-dark{background:var(--bg-dark);color:#fff}
.section-soft{background:var(--bg-soft)}
.container{max-width:1280px;margin:0 auto;padding:0 2rem}
.section-label{display:inline-block;font-size:0.78rem;font-weight:700;letter-spacing:0.15em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem}
.section-title{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:800;line-height:1.2;letter-spacing:-0.02em;margin-bottom:1rem}
.section-desc{font-size:1.05rem;color:var(--text-light);max-width:600px;line-height:1.8}
.section-header{margin-bottom:4rem}
.section-header.center{text-align:center}
.section-header.center .section-desc{margin:0 auto}

/* ===== 品牌介绍 ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-img-wrap{position:relative;border-radius:var(--radius-lg);overflow:hidden}
.about-img-wrap img{width:100%;height:480px;object-fit:cover;border-radius:var(--radius-lg)}
.about-img-badge{position:absolute;bottom:24px;left:24px;background:rgba(10,10,15,0.85);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.1);border-radius:var(--radius);padding:16px 20px;color:#fff}
.about-img-badge strong{display:block;font-size:1.5rem;font-weight:800;color:var(--accent)}
.about-img-badge span{font-size:0.82rem;color:rgba(255,255,255,0.6)}
.about-content .section-desc{margin-bottom:2rem}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:1.5rem}
.about-tag{background:var(--bg-soft);border:1px solid var(--border);border-radius:50px;padding:6px 16px;font-size:0.82rem;color:var(--text-light);font-weight:500}

/* ===== 服务/功能 ===== */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.service-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem;transition:var(--transition);position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent2));transform:scaleX(0);transform-origin:left;transition:var(--transition)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{width:52px;height:52px;background:linear-gradient(135deg,rgba(79,142,247,0.12),rgba(124,92,191,0.12));border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;font-size:1.5rem}
.service-card h3{font-size:1.15rem;font-weight:700;margin-bottom:0.75rem;color:var(--text)}
.service-card p{font-size:0.9rem;color:var(--text-light);line-height:1.7}

/* ===== 视频卡片 ===== */
.videos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.video-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0a0a0f}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.video-play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0);transition:var(--transition);opacity:0}
.video-card:hover .video-play-btn{background:rgba(0,0,0,0.45);opacity:1}
.play-circle{width:64px;height:64px;background:rgba(255,255,255,0.95);border-radius:50%;display:flex;align-items:center;justify-content:center;transform:scale(0.8);transition:var(--transition);box-shadow:0 4px 20px rgba(0,0,0,0.3)}
.video-card:hover .play-circle{transform:scale(1)}
.play-circle svg{width:24px;height:24px;fill:var(--accent);margin-left:3px}
.video-tag{position:absolute;top:12px;left:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:0.72rem;font-weight:700;padding:4px 10px;border-radius:50px;letter-spacing:0.05em}
.video-duration{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,0.7);color:#fff;font-size:0.72rem;padding:3px 8px;border-radius:4px}
.video-info{padding:1.25rem}
.video-info h3{font-size:0.95rem;font-weight:700;margin-bottom:0.75rem;color:var(--text);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;gap:1rem;font-size:0.78rem;color:var(--text-muted)}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-meta svg{width:13px;height:13px;fill:currentColor}

/* ===== 数据统计 ===== */
.stats-section{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);padding:80px 0;position:relative;overflow:hidden}
.stats-section::before{content:'';position:absolute;inset:0;background:url('../images/platform_bg.jpg') center/cover;opacity:0.08}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;position:relative;z-index:1}
.stat-item{text-align:center;padding:2rem}
.stat-num{font-size:3rem;font-weight:900;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:0.5rem}
.stat-label{font-size:0.9rem;color:rgba(255,255,255,0.6);font-weight:500}
.stat-icon{font-size:1.5rem;margin-bottom:0.75rem;opacity:0.8}

/* ===== 用户评价 ===== */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;transition:var(--transition)}
.review-card:hover{box-shadow:var(--shadow-md);border-color:var(--accent);transform:translateY(-3px)}
.review-stars{display:flex;gap:4px;margin-bottom:1rem}
.review-stars span{color:#f59e0b;font-size:1rem}
.review-text{font-size:0.92rem;color:var(--text-light);line-height:1.8;margin-bottom:1.5rem;font-style:italic}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:40px;height:40px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:0.9rem}
.review-name{font-weight:600;font-size:0.88rem;color:var(--text)}
.review-date{font-size:0.78rem;color:var(--text-muted)}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:1rem;overflow:hidden;transition:var(--transition)}
.faq-item.open{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,142,247,0.08)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;cursor:pointer;font-weight:600;font-size:0.95rem;color:var(--text);transition:var(--transition);gap:1rem}
.faq-q:hover{color:var(--accent)}
.faq-q-icon{width:28px;height:28px;background:var(--bg-soft);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--transition);color:var(--text-light)}
.faq-item.open .faq-q-icon{background:var(--accent);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease;padding:0 1.5rem;font-size:0.9rem;color:var(--text-light);line-height:1.8}
.faq-item.open .faq-a{max-height:200px;padding:0 1.5rem 1.25rem}

/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:60px;align-items:start}
.contact-info h3{font-size:1.3rem;font-weight:700;margin-bottom:0.75rem}
.contact-info p{color:var(--text-light);font-size:0.92rem;line-height:1.8;margin-bottom:2rem}
.contact-items{display:flex;flex-direction:column;gap:1.25rem}
.contact-item{display:flex;align-items:center;gap:14px}
.contact-item-icon{width:44px;height:44px;background:linear-gradient(135deg,rgba(79,142,247,0.12),rgba(124,92,191,0.12));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.contact-item-text strong{display:block;font-size:0.82rem;color:var(--text-muted);font-weight:500;margin-bottom:2px}
.contact-item-text span{font-size:0.9rem;font-weight:600;color:var(--text)}
.contact-form{background:var(--bg-soft);border-radius:var(--radius-lg);padding:2.5rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
.form-group{margin-bottom:1rem}
.form-group label{display:block;font-size:0.82rem;font-weight:600;color:var(--text);margin-bottom:6px}
.form-group input,.form-group textarea,.form-group select{width:100%;background:#fff;border:1.5px solid var(--border);border-radius:var(--radius);padding:12px 16px;font-size:0.9rem;font-family:var(--font);color:var(--text);outline:none;transition:var(--transition)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,142,247,0.1)}
.form-group textarea{resize:vertical;min-height:120px}
.form-submit{width:100%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:14px;border-radius:var(--radius);font-size:1rem;font-weight:700;cursor:pointer;transition:var(--transition);border:none;font-family:var(--font)}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(79,142,247,0.35)}

/* ===== 页脚 ===== */
.footer{background:var(--bg-dark);color:rgba(255,255,255,0.7);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand .nav-logo{margin-bottom:1rem;font-size:1.3rem}
.footer-brand p{font-size:0.88rem;line-height:1.8;max-width:280px;color:rgba(255,255,255,0.5)}
.footer-domain{margin-top:0.75rem;font-size:0.82rem;color:rgba(255,255,255,0.35)}
.footer-domain span{color:var(--accent);font-weight:600}
.footer-col h4{color:#fff;font-size:0.88rem;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;margin-bottom:1.25rem}
.footer-col ul li{margin-bottom:0.6rem}
.footer-col ul li a{font-size:0.85rem;color:rgba(255,255,255,0.5);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-social{display:flex;gap:10px;margin-top:1.5rem}
.social-btn{width:36px;height:36px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:0.85rem;color:rgba(255,255,255,0.5);transition:var(--transition)}
.social-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding-top:1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.footer-bottom p{font-size:0.82rem;color:rgba(255,255,255,0.3)}
.footer-links{display:flex;gap:1.5rem}
.footer-links a{font-size:0.82rem;color:rgba(255,255,255,0.3);transition:var(--transition)}
.footer-links a:hover{color:var(--accent)}

/* ===== 面包屑 ===== */
.breadcrumb{padding:100px 0 20px;background:var(--bg-soft)}
.breadcrumb-inner{max-width:1280px;margin:0 auto;padding:0 2rem}
.breadcrumb-list{display:flex;align-items:center;gap:8px;font-size:0.85rem;color:var(--text-muted)}
.breadcrumb-list a{color:var(--accent);transition:var(--transition)}
.breadcrumb-list a:hover{color:var(--accent2)}
.breadcrumb-list span{color:var(--text-muted)}

/* ===== 内页Hero ===== */
.page-hero{padding:120px 0 60px;background:linear-gradient(135deg,var(--primary),var(--secondary));text-align:center;color:#fff}
.page-hero h1{font-size:clamp(2rem,4vw,3.5rem);font-weight:900;margin-bottom:1rem;letter-spacing:-0.02em}
.page-hero p{font-size:1.05rem;color:rgba(255,255,255,0.65);max-width:600px;margin:0 auto}

/* ===== 视频列表页 ===== */
.video-filter{display:flex;gap:0.75rem;flex-wrap:wrap;margin-bottom:2.5rem}
.filter-btn{background:var(--bg-soft);border:1.5px solid var(--border);border-radius:50px;padding:8px 20px;font-size:0.85rem;font-weight:600;color:var(--text-light);cursor:pointer;transition:var(--transition);font-family:var(--font)}
.filter-btn.active,.filter-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.videos-grid-lg{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}

/* ===== 关于页 ===== */
.about-page-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:80px}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.team-card{text-align:center;padding:2rem 1.5rem;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition)}
.team-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.team-avatar{width:72px;height:72px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;font-weight:800;margin:0 auto 1rem}
.team-name{font-weight:700;font-size:0.95rem;margin-bottom:0.25rem}
.team-role{font-size:0.82rem;color:var(--text-muted)}

/* ===== 动画 ===== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeInDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-8px)}}
@keyframes scrollLine{0%{opacity:0;transform:scaleY(0);transform-origin:top}50%{opacity:1;transform:scaleY(1)}100%{opacity:0;transform:scaleY(1);transform-origin:bottom}}
@keyframes countUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

.fade-in{opacity:0;transform:translateY(30px);transition:opacity 0.7s ease,transform 0.7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .about-grid,.contact-grid,.about-page-grid{grid-template-columns:1fr}
  .services-grid,.videos-grid,.reviews-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .videos-grid-lg{grid-template-columns:repeat(3,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-menu{display:none;position:fixed;top:70px;left:0;right:0;background:rgba(10,10,15,0.98);flex-direction:column;padding:1.5rem 2rem;gap:0;border-bottom:1px solid var(--border-dark)}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,0.06);width:100%}
  .nav-menu a::after{display:none}
  .nav-toggle{display:flex}
  .hero h1{font-size:2.2rem}
  .hero-actions{flex-direction:column;align-items:center}
  .section{padding:60px 0}
  .services-grid,.videos-grid,.reviews-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .videos-grid-lg{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:480px){
  .videos-grid-lg{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .team-grid{grid-template-columns:1fr 1fr}
}