/* ============================================
   小小绘 - 原创样式表
   品牌：小小绘 | hk982301.cn
   配色：虎红 #E8432F / 深夜蓝 #1A1E2E / 金琥珀 #FFB627
   ============================================ */

/* --- CSS Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;background:#0F1219;color:#E8E8ED;line-height:1.7;overflow-x:hidden}
a{color:#FFB627;text-decoration:none;transition:color .25s}
a:hover{color:#E8432F}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#F5F5F5}

/* --- Utility --- */
.container{max-width:1280px;margin:0 auto;padding:0 20px}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:"";display:block;width:60px;height:3px;background:linear-gradient(90deg,#E8432F,#FFB627);margin:12px auto 0;border-radius:2px}
.section-title p{color:#9CA3AF;font-size:1rem;max-width:640px;margin:0 auto}
.btn-primary{display:inline-block;padding:10px 28px;background:linear-gradient(135deg,#E8432F,#FF6B4A);color:#fff;border:none;border-radius:6px;font-size:.95rem;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(232,67,47,.4);color:#fff}
.btn-outline{display:inline-block;padding:10px 28px;border:1px solid #FFB627;color:#FFB627;border-radius:6px;font-size:.95rem;cursor:pointer;transition:all .25s}
.btn-outline:hover{background:#FFB627;color:#0F1219}
.tag{display:inline-block;padding:3px 10px;background:rgba(232,67,47,.15);color:#E8432F;border-radius:4px;font-size:.75rem;margin-right:6px}

/* --- Header / Navigation --- */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(15,18,25,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);transition:background .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo-link{display:flex;align-items:center;gap:10px}
.logo-link img{height:38px;width:auto}
.logo-text{font-size:1.25rem;font-weight:800;color:#F5F5F5;letter-spacing:1px}
.logo-text span{color:#E8432F}

/* Nav */
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 14px;font-size:.9rem;color:#C8C8D0;border-radius:4px;transition:all .2s}
.main-nav a:hover,.main-nav a.active{color:#FFB627;background:rgba(255,182,39,.08)}

/* Search */
.search-bar{position:relative;margin-left:12px}
.search-bar input{width:200px;padding:7px 36px 7px 14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:20px;color:#E8E8ED;font-size:.85rem;outline:none;transition:border-color .25s,width .3s}
.search-bar input:focus{border-color:#E8432F;width:260px}
.search-bar button{position:absolute;right:4px;top:50%;transform:translateY(-50%);background:none;border:none;color:#9CA3AF;cursor:pointer;padding:4px 8px;font-size:1rem}
.search-bar button:hover{color:#FFB627}

/* Mobile menu toggle */
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.menu-toggle span{display:block;width:24px;height:2px;background:#E8E8ED;border-radius:2px;transition:all .3s}

/* --- Hero Banner --- */
.hero{margin-top:64px;position:relative;overflow:hidden;background:#0F1219}
.hero-slider{position:relative;height:520px}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;filter:brightness(.55)}
.hero-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px}
.hero-content{max-width:700px}
.hero-content h1{font-size:2.8rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.hero-content h1 span{color:#E8432F}
.hero-content p{font-size:1.15rem;color:#D0D0D8;margin-bottom:28px;text-shadow:0 1px 8px rgba(0,0,0,.4)}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* --- Breadcrumb --- */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#9CA3AF}
.breadcrumb a{color:#FFB627}
.breadcrumb span{margin:0 6px;color:#555}

/* --- Video Card Grid --- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#1C2033;border-radius:10px;overflow:hidden;transition:transform .25s,box-shadow .25s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(232,67,47,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.85);width:56px;height:56px;background:rgba(232,67,47,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s,transform .3s}
.play-btn::after{content:"";display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:3px;font-size:.75rem}
.video-info{padding:14px}
.video-info h3{font-size:.95rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;gap:14px;font-size:.78rem;color:#9CA3AF}
.video-tags{padding:0 14px;margin-bottom:6px}
.video-tags .tag{margin-bottom:4px}
.video-meta i{margin-right:3px}
.video-hot{position:absolute;top:10px;left:10px;background:linear-gradient(135deg,#E8432F,#FF6B4A);color:#fff;padding:3px 10px;border-radius:4px;font-size:.72rem;font-weight:600}

/* --- Section Spacing --- */
.section{padding:70px 0}
.section-alt{background:#141722}

/* --- Film & Media Section --- */
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.media-card{background:#1C2033;border-radius:10px;padding:28px;text-align:center;transition:transform .25s,border-color .25s;border:1px solid rgba(255,255,255,.05)}
.media-card:hover{transform:translateY(-4px);border-color:rgba(232,67,47,.3)}
.f90dox{width:56px;height:56px;margin:0 auto 16px;background:linear-gradient(135deg,#E8432F,#FF6B4A);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#fff}
.media-card h4{font-size:1.05rem;margin-bottom:8px}
.media-card p{font-size:.88rem;color:#9CA3AF;line-height:1.6}

/* --- AI Section --- */
.ai-showcase{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.ai-showcase img{border-radius:12px}
.ai-features{display:flex;flex-direction:column;gap:20px}
.ai-feature-item{display:flex;gap:16px;align-items:flex-start}
.ai-feature-item .icon-box{flex-shrink:0;width:44px;height:44px;background:rgba(255,182,39,.12);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#FFB627;font-size:1.2rem}
.ai-feature-item h4{font-size:1rem;margin-bottom:4px}
.ai-feature-item p{font-size:.88rem;color:#9CA3AF}

/* --- Community Section --- */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.community-card{background:#1C2033;border-radius:10px;padding:24px;text-align:center;transition:all .25s;border:1px solid rgba(255,255,255,.05)}
.community-card:hover{border-color:#FFB627;transform:translateY(-4px)}
.community-card .c-icon{font-size:2rem;margin-bottom:12px;display:block}
.community-card h4{font-size:1rem;margin-bottom:6px}
.community-card p{font-size:.85rem;color:#9CA3AF}

/* --- Expert Section --- */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#1C2033;border-radius:12px;overflow:hidden;text-align:center;transition:transform .25s}
.expert-card:hover{transform:translateY(-4px)}
.expert-avatar{width:100%;aspect-ratio:1;overflow:hidden}
.expert-avatar img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.expert-card:hover .expert-avatar img{transform:scale(1.05)}
.expert-detail{padding:18px}
.expert-detail h4{font-size:1.05rem;margin-bottom:4px}
.expert-detail .role{color:#FFB627;font-size:.82rem;margin-bottom:8px}
.expert-detail p{font-size:.82rem;color:#9CA3AF;margin-bottom:12px}
.expert-links{display:flex;gap:8px;justify-content:center}
.expert-links a{padding:6px 14px;font-size:.78rem;border-radius:4px}

/* --- Brand Wall --- */
.zmfvrw{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap;padding:30px 0}
.zmfvrw img{max-height:60px;opacity:.6;transition:opacity .3s;filter:grayscale(100%)}
.zmfvrw img:hover{opacity:1;filter:grayscale(0)}

/* --- Reviews --- */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:#1C2033;border-radius:10px;padding:24px;border-left:3px solid #E8432F}
.review-card .stars{color:#FFB627;margin-bottom:10px;font-size:.9rem;letter-spacing:2px}
.review-card blockquote{font-size:.92rem;color:#D0D0D8;margin-bottom:14px;line-height:1.7;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.o3j4ow4{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#E8432F,#FFB627);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.85rem;font-weight:700}
.fmp9u9d .name{font-size:.88rem;font-weight:600}
.fmp9u9d .date{font-size:.75rem;color:#9CA3AF}

/* --- FAQ --- */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#1C2033;border-radius:8px;margin-bottom:12px;overflow:hidden;border:1px solid rgba(255,255,255,.05)}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;transition:background .2s}
.faq-question:hover{background:rgba(232,67,47,.06)}
.faq-question .arrow{transition:transform .3s;color:#E8432F;font-size:1.1rem}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px}
.faq-item.open .faq-answer{max-height:300px;padding:0 24px 18px}
.faq-answer p{font-size:.9rem;color:#9CA3AF;line-height:1.7}

/* --- Contact Section --- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.nh5qz{display:flex;flex-direction:column;gap:18px}
.contact-item{display:flex;gap:14px;align-items:flex-start}
.contact-item .zguk39{flex-shrink:0;width:42px;height:42px;background:rgba(232,67,47,.12);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#E8432F;font-size:1.1rem}
.contact-item h4{font-size:.95rem;margin-bottom:2px}
.contact-item p{font-size:.85rem;color:#9CA3AF}
.cvjpuc4k{display:flex;gap:30px;margin-top:20px}
.i4w3ta4{text-align:center}
.i4w3ta4 img{width:140px;height:140px;border-radius:8px;margin-bottom:8px}
.i4w3ta4 span{font-size:.82rem;color:#9CA3AF}

/* --- How To Join Guide --- */
.pes93eyo{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.ltuw5jng{text-align:center;position:relative}
.a2cjjes{width:48px;height:48px;margin:0 auto 14px;background:linear-gradient(135deg,#E8432F,#FF6B4A);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;color:#fff}
.ltuw5jng h4{font-size:.95rem;margin-bottom:6px}
.ltuw5jng p{font-size:.82rem;color:#9CA3AF}

/* --- Footer --- */
.site-footer{background:#0A0D14;border-top:1px solid rgba(255,255,255,.06);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.t4zi2s p{font-size:.88rem;color:#9CA3AF;margin-top:12px;line-height:1.7}
.footer-col h4{font-size:1rem;margin-bottom:16px;color:#F5F5F5;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;bottom:0;left:0;width:30px;height:2px;background:#E8432F;border-radius:2px}
.footer-col a{display:block;font-size:.88rem;color:#9CA3AF;padding:4px 0;transition:color .2s}
.footer-col a:hover{color:#FFB627}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:.82rem;color:#666}
.xwj3vv{display:flex;gap:12px}
.xwj3vv a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;color:#9CA3AF;font-size:.9rem;transition:all .25s}
.xwj3vv a:hover{background:#E8432F;color:#fff}

/* --- Share Buttons --- */
.degycg4{display:flex;gap:10px;align-items:center}
.degycg4 span{font-size:.85rem;color:#9CA3AF}
.bjtsj{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;color:#fff;cursor:pointer;transition:transform .2s}
.bjtsj:hover{transform:scale(1.12)}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}

/* --- Back to Top --- */
.back-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:linear-gradient(135deg,#E8432F,#FF6B4A);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:999;box-shadow:0 4px 16px rgba(232,67,47,.3)}
.back-top.visible{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px)}

/* --- Inner Page Hero --- */
.page-hero{margin-top:64px;padding:60px 0;background:linear-gradient(135deg,#1A1E2E 0%,#0F1219 100%);text-align:center}
.page-hero h1{font-size:2.2rem;margin-bottom:10px}
.page-hero p{color:#9CA3AF;font-size:1rem}

/* --- Video List (Inner Page) --- */
.video-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* --- Article Content --- */
.article-content{max-width:860px;margin:0 auto;padding:40px 0}
.article-content h2{font-size:1.6rem;margin:30px 0 14px;color:#F5F5F5}
.article-content h3{font-size:1.25rem;margin:24px 0 10px;color:#E8E8ED}
.article-content p{margin-bottom:16px;color:#C8C8D0;line-height:1.8}
.article-content ul{margin:12px 0 20px 20px}
.article-content ul li{position:relative;padding-left:16px;margin-bottom:8px;color:#C8C8D0}
.article-content ul li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;background:#E8432F;border-radius:50%}

/* --- Responsive --- */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .ai-showcase{grid-template-columns:1fr}
  .community-grid{grid-template-columns:repeat(2,1fr)}
  .pes93eyo{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;padding:10px 0;gap:2px}
  .main-nav.open{display:flex}
  .menu-toggle{display:flex}
  .search-bar{width:100%;margin:8px 0 0;order:3}
  .search-bar input{width:100%}
  .search-bar input:focus{width:100%}
  .hero-slider{height:360px}
  .hero-content h1{font-size:1.8rem}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .media-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .video-list-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:50px 0}
  .section-title h2{font-size:1.6rem}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .video-list-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr}
  .pes93eyo{grid-template-columns:1fr}
  .hero-slider{height:280px}
  .hero-content h1{font-size:1.4rem}
  .cvjpuc4k{flex-direction:column;align-items:center}
}

/* --- Loading Animation --- */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s,transform .6s}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* --- Lazy Load Placeholder --- */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}