/* ===== 蘑菇视频官网 - 主样式表 ===== */
:root {
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --secondary: #06b6d4;
  --accent: #f59e0b;
  --bg-dark: #0f0a1e;
  --bg-card: #1a1033;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --gradient-hero: linear-gradient(135deg, #0f0a1e 0%, #1e0a3c 50%, #0a1628 100%);
  --gradient-card: linear-gradient(145deg, #1a1033, #0f0a1e);
  --shadow-glow: 0 0 30px rgba(124,58,237,0.3);
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:var(--bg-dark);color:var(--text-main);line-height:1.7;overflow-x:hidden;}
a{color:var(--secondary);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--accent);}
img{max-width:100%;height:auto;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ===== HEADER / NAV ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(15,10,30,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(124,58,237,0.2);transition:background var(--transition);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
.logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:var(--text-main);white-space:nowrap;}
.logo-icon{width:36px;height:36px;background:var(--gradient-hero);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:var(--shadow-glow);}
.nav-links{display:flex;gap:4px;list-style:none;}
.nav-links a{padding:6px 14px;border-radius:8px;font-size:0.9rem;color:var(--text-muted);transition:all var(--transition);}
.nav-links a:hover,.nav-links a.active{color:var(--text-main);background:rgba(124,58,237,0.2);}
.nav-search{display:flex;align-items:center;background:rgba(255,255,255,0.07);border:1px solid rgba(124,58,237,0.3);border-radius:24px;padding:6px 16px;gap:8px;min-width:200px;}
.nav-search input{background:none;border:none;outline:none;color:var(--text-main);font-size:0.9rem;width:100%;}
.nav-search input::placeholder{color:var(--text-muted);}
.nav-search button{background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:1rem;padding:0;}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;}
.hamburger span{display:block;width:24px;height:2px;background:var(--text-main);border-radius:2px;transition:all var(--transition);}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:var(--gradient-hero);}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:0.35;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(15,10,30,0.4) 0%,rgba(15,10,30,0.7) 100%);z-index:1;}
.hero-content{position:relative;z-index:2;max-width:700px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(124,58,237,0.2);border:1px solid rgba(124,58,237,0.4);border-radius:24px;padding:6px 16px;font-size:0.85rem;color:var(--secondary);margin-bottom:24px;animation:fadeInDown 0.8s ease;}
.hero h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:900;line-height:1.2;margin-bottom:20px;animation:fadeInUp 0.9s ease;}
.hero h1 span{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-desc{font-size:1.1rem;color:var(--text-muted);margin-bottom:36px;max-width:540px;animation:fadeInUp 1s ease;}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;animation:fadeInUp 1.1s ease;}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:14px 32px;border-radius:12px;font-size:1rem;font-weight:700;border:none;cursor:pointer;transition:transform var(--transition),box-shadow var(--transition);box-shadow:0 4px 20px rgba(124,58,237,0.4);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(124,58,237,0.6);color:#fff;}
.btn-outline{background:transparent;color:var(--text-main);padding:14px 32px;border-radius:12px;font-size:1rem;font-weight:600;border:2px solid rgba(255,255,255,0.3);cursor:pointer;transition:all var(--transition);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.hero-stats{display:flex;gap:40px;margin-top:48px;animation:fadeInUp 1.2s ease;}
.stat-item{text-align:center;}
.stat-num{font-size:1.8rem;font-weight:900;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.stat-label{font-size:0.8rem;color:var(--text-muted);}

/* ===== SECTION BASE ===== */
section{padding:80px 0;}
.section-header{text-align:center;margin-bottom:56px;}
.section-tag{display:inline-block;background:rgba(124,58,237,0.15);border:1px solid rgba(124,58,237,0.3);border-radius:20px;padding:4px 16px;font-size:0.8rem;color:var(--secondary);margin-bottom:16px;letter-spacing:0.05em;}
.section-title{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;margin-bottom:12px;}
.section-title span{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.section-desc{color:var(--text-muted);max-width:560px;margin:0 auto;font-size:1rem;}

/* ===== VIDEO CARDS ===== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;}
.video-card{background:var(--gradient-card);border:1px solid rgba(124,58,237,0.15);border-radius:var(--radius);overflow:hidden;transition:transform var(--transition),box-shadow var(--transition);cursor:pointer;}
.video-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(124,58,237,0.25);}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition);}
.video-card:hover .video-thumb img{transform:scale(1.05);}
.play-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.4);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--transition);}
.video-card:hover .play-overlay{opacity:1;}
.play-btn{width:60px;height:60px;background:rgba(124,58,237,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transform:scale(0.8);transition:transform var(--transition);}
.video-card:hover .play-btn{transform:scale(1);}
.play-btn::after{content:'';border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px;}
.video-meta{padding:16px;}
.video-title{font-size:0.95rem;font-weight:700;margin-bottom:8px;line-height:1.4;}
.video-stats{display:flex;gap:16px;font-size:0.8rem;color:var(--text-muted);}
.video-stats span{display:flex;align-items:center;gap:4px;}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;font-size:0.75rem;padding:2px 8px;border-radius:4px;}

/* ===== BRAND STORY ===== */
.story-section{background:linear-gradient(180deg,var(--bg-dark) 0%,rgba(26,16,51,0.6) 100%);}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.story-img{border-radius:var(--radius);overflow:hidden;position:relative;}
.story-img img{width:100%;border-radius:var(--radius);}
.story-img::after{content:'';position:absolute;inset:0;border-radius:var(--radius);border:2px solid rgba(124,58,237,0.3);}
.story-content h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;margin-bottom:20px;}
.story-content p{color:var(--text-muted);margin-bottom:16px;line-height:1.8;}
.story-values{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;}
.value-card{background:rgba(124,58,237,0.08);border:1px solid rgba(124,58,237,0.2);border-radius:12px;padding:20px;transition:background var(--transition);}
.value-card:hover{background:rgba(124,58,237,0.15);}
.value-icon{font-size:1.5rem;margin-bottom:8px;}
.value-title{font-size:0.9rem;font-weight:700;margin-bottom:4px;}
.value-desc{font-size:0.8rem;color:var(--text-muted);}

/* ===== EXPLORE / SERVICES ===== */
.explore-section{background:rgba(26,16,51,0.4);}
.explore-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.explore-card{background:var(--gradient-card);border:1px solid rgba(124,58,237,0.15);border-radius:var(--radius);padding:32px;transition:all var(--transition);position:relative;overflow:hidden;}
.explore-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--secondary));transform:scaleX(0);transition:transform var(--transition);}
.explore-card:hover::before{transform:scaleX(1);}
.explore-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-glow);}
.explore-icon{width:56px;height:56px;background:rgba(124,58,237,0.15);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:20px;}
.explore-card h3{font-size:1.1rem;font-weight:700;margin-bottom:12px;}
.explore-card p{color:var(--text-muted);font-size:0.9rem;line-height:1.7;}
.explore-stats{display:flex;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,0.06);}
.explore-stat{font-size:0.8rem;color:var(--text-muted);}
.explore-stat strong{color:var(--secondary);display:block;font-size:1rem;}

/* ===== INSPIRATION ===== */
.inspiration-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.insp-card{border-radius:var(--radius);overflow:hidden;position:relative;cursor:pointer;}
.insp-card img{width:100%;height:220px;object-fit:cover;transition:transform var(--transition);}
.insp-card:hover img{transform:scale(1.05);}
.insp-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(15,10,30,0.95),transparent);padding:24px 20px 20px;}
.insp-tag{font-size:0.75rem;color:var(--secondary);margin-bottom:6px;}
.insp-title{font-size:0.95rem;font-weight:700;line-height:1.4;}

/* ===== REVIEWS ===== */
.reviews-section{background:rgba(26,16,51,0.4);}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review-card{background:var(--gradient-card);border:1px solid rgba(124,58,237,0.15);border-radius:var(--radius);padding:28px;transition:transform var(--transition);}
.review-card:hover{transform:translateY(-4px);}
.review-stars{color:var(--accent);font-size:1rem;margin-bottom:12px;}
.review-text{color:var(--text-muted);font-size:0.9rem;line-height:1.7;margin-bottom:20px;}
.review-user{display:flex;align-items:center;gap:12px;}
.review-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.9rem;}
.review-name{font-size:0.9rem;font-weight:600;}
.review-date{font-size:0.75rem;color:var(--text-muted);}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto;}
.faq-item{background:var(--gradient-card);border:1px solid rgba(124,58,237,0.15);border-radius:12px;margin-bottom:12px;overflow:hidden;}
.faq-question{padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:0.95rem;transition:background var(--transition);}
.faq-question:hover{background:rgba(124,58,237,0.1);}
.faq-icon{width:24px;height:24px;border-radius:50%;background:rgba(124,58,237,0.2);display:flex;align-items:center;justify-content:center;font-size:1rem;transition:transform var(--transition);flex-shrink:0;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease;}
.faq-item.open .faq-answer{max-height:200px;padding:0 24px 20px;}
.faq-answer p{color:var(--text-muted);font-size:0.9rem;line-height:1.7;}

/* ===== CONNECT / DOWNLOAD ===== */
.connect-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.connect-content h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;margin-bottom:16px;}
.connect-content p{color:var(--text-muted);margin-bottom:32px;line-height:1.8;}
.download-btns{display:flex;gap:16px;flex-wrap:wrap;}
.download-btn{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.15);border-radius:12px;padding:14px 24px;transition:all var(--transition);}
.download-btn:hover{background:rgba(124,58,237,0.2);border-color:var(--primary);color:var(--text-main);}
.download-btn-icon{font-size:1.8rem;}
.download-btn-text{text-align:left;}
.download-btn-text small{display:block;font-size:0.7rem;color:var(--text-muted);}
.download-btn-text strong{font-size:1rem;color:var(--text-main);}
.connect-img{border-radius:var(--radius);overflow:hidden;}
.connect-img img{width:100%;border-radius:var(--radius);}

/* ===== CONTACT ===== */
.contact-section{background:rgba(26,16,51,0.4);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.contact-info h2{font-size:1.8rem;font-weight:800;margin-bottom:24px;}
.contact-item{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start;}
.contact-icon{width:44px;height:44px;background:rgba(124,58,237,0.15);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;}
.contact-label{font-size:0.8rem;color:var(--text-muted);margin-bottom:4px;}
.contact-value{font-size:0.95rem;font-weight:600;}
.map-placeholder{background:rgba(124,58,237,0.08);border:2px dashed rgba(124,58,237,0.3);border-radius:var(--radius);height:280px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:0.9rem;flex-direction:column;gap:12px;}
.qr-row{display:flex;gap:24px;margin-top:32px;}
.qr-box{text-align:center;}
.qr-img{width:100px;height:100px;background:rgba(124,58,237,0.1);border:2px solid rgba(124,58,237,0.3);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:2rem;margin:0 auto 8px;}
.qr-label{font-size:0.8rem;color:var(--text-muted);}

/* ===== PARTNER BADGES ===== */
.partners-section{padding:48px 0;border-top:1px solid rgba(124,58,237,0.1);}
.partners-title{text-align:center;color:var(--text-muted);font-size:0.85rem;margin-bottom:24px;letter-spacing:0.1em;}
.partners-row{display:flex;gap:32px;justify-content:center;flex-wrap:wrap;align-items:center;}
.partner-badge{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);border-radius:8px;padding:10px 24px;font-size:0.85rem;color:var(--text-muted);transition:all var(--transition);}
.partner-badge:hover{background:rgba(124,58,237,0.1);color:var(--text-main);}

/* ===== FOOTER ===== */
.site-footer{background:#080512;border-top:1px solid rgba(124,58,237,0.15);padding:48px 0 24px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-muted);font-size:0.85rem;line-height:1.7;max-width:280px;}
.footer-col h4{font-size:0.9rem;font-weight:700;margin-bottom:16px;color:var(--text-main);}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--text-muted);font-size:0.85rem;transition:color var(--transition);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
.footer-copy{font-size:0.8rem;color:var(--text-muted);}
.footer-links{display:flex;gap:20px;}
.footer-links a{font-size:0.8rem;color:var(--text-muted);}
.footer-links a:hover{color:var(--primary);}
.social-row{display:flex;gap:12px;margin-top:16px;}
.social-btn{width:36px;height:36px;background:rgba(124,58,237,0.15);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:0.9rem;color:var(--text-muted);transition:all var(--transition);}
.social-btn:hover{background:var(--primary);color:#fff;}

/* ===== ANIMATIONS ===== */
@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:0.6;}}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
.animate-float{animation:float 3s ease-in-out infinite;}

/* ===== SCROLL REVEAL ===== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity 0.7s ease,transform 0.7s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ===== BREADCRUMB ===== */
.breadcrumb{padding:80px 0 0;font-size:0.85rem;color:var(--text-muted);}
.breadcrumb a{color:var(--text-muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span{color:var(--primary);}

/* ===== PAGE HERO ===== */
.page-hero{padding:100px 0 60px;text-align:center;background:linear-gradient(180deg,rgba(124,58,237,0.1) 0%,transparent 100%);}
.page-hero h1{font-size:clamp(1.8rem,4vw,3rem);font-weight:900;margin-bottom:16px;}
.page-hero p{color:var(--text-muted);max-width:600px;margin:0 auto;}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .explore-grid{grid-template-columns:1fr 1fr;}
  .reviews-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
  .nav-links,.nav-search{display:none;}
  .hamburger{display:flex;}
  .nav-links.mobile-open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:rgba(15,10,30,0.98);padding:16px;border-bottom:1px solid rgba(124,58,237,0.2);}
  .story-grid,.connect-grid,.contact-grid{grid-template-columns:1fr;}
  .explore-grid,.inspiration-grid,.reviews-grid{grid-template-columns:1fr;}
  .hero-stats{gap:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .video-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr;}
  .hero-btns{flex-direction:column;}
  .download-btns{flex-direction:column;}
}