/* ============================================
   黑料网 - 全新原创样式表
   配色：暖珊瑚 #FF7E67 / 深紫 #4A0E4E / 星光金 #FFD700 / 暗夜 #0D0D1A
   ============================================ */
:root{--coral:#FF7E67;--coral-light:#FF9E8F;--plum:#4A0E4E;--plum-dark:#2D0830;--gold:#FFD700;--gold-soft:#FFECB3;--night:#0D0D1A;--night-light:#1A1A2F;--night-card:#15152A;--text-white:#F5F5F5;--text-gray:#B0B0C8;--text-muted:#7A7A9E;--glass-bg:rgba(255,255,255,0.04);--glass-border:rgba(255,255,255,0.08);--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--shadow-card:0 8px 32px rgba(0,0,0,0.35);--shadow-glow:0 0 20px rgba(255,126,103,0.25);--transition:0.35s cubic-bezier(0.4,0,0.2,1);--max-width:1280px}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--night);color:var(--text-white);line-height:1.75;overflow-x:hidden}
a{color:var(--coral);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}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}

/* 顶部导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(13,13,26,0.88);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--glass-border);transition:background var(--transition)}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:68px}
.brand-logo{display:flex;align-items:center;gap:10px}
.brand-logo img{height:42px;width:auto}
.brand-logo span{font-size:1.35rem;font-weight:800;background:linear-gradient(135deg,var(--coral),var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{color:var(--text-gray);font-size:0.92rem;padding:8px 14px;border-radius:var(--radius-sm);transition:all var(--transition);position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--coral);background:rgba(255,126,103,0.08)}
.main-nav a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:18px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--coral),var(--gold))}
.header-actions{display:flex;align-items:center;gap:12px}
.search-toggle{width:38px;height:38px;border:none;border-radius:50%;background:var(--glass-bg);color:var(--text-gray);cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;transition:all var(--transition)}
.search-toggle:hover{background:rgba(255,126,103,0.15);color:var(--coral)}
.mobile-toggle{display:none;width:38px;height:38px;border:none;border-radius:50%;background:var(--glass-bg);color:var(--text-white);cursor:pointer;font-size:1.2rem;align-items:center;justify-content:center}

/* 搜索弹窗 */
.search-overlay{position:fixed;inset:0;z-index:2000;background:rgba(13,13,26,0.92);backdrop-filter:blur(24px);display:none;align-items:flex-start;justify-content:center;padding-top:160px}
.search-overlay.active{display:flex}
.search-box{width:90%;max-width:640px;position:relative}
.search-box input{width:100%;padding:18px 60px 18px 24px;font-size:1.15rem;border:2px solid var(--coral);border-radius:50px;background:var(--night-card);color:var(--text-white);outline:none}
.search-box input::placeholder{color:var(--text-muted)}
.search-box button{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:44px;height:44px;border:none;border-radius:50%;background:linear-gradient(135deg,var(--coral),#e0574a);color:#fff;font-size:1.1rem;cursor:pointer}
.search-close{position:absolute;top:40px;right:40px;width:48px;height:48px;border:none;border-radius:50%;background:rgba(255,255,255,0.06);color:var(--text-white);font-size:1.5rem;cursor:pointer}

/* Hero */
.hero-section{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;margin-top:68px}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;filter:brightness(0.45) saturate(1.2)}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,13,26,0.3) 0%,rgba(13,13,26,0.85) 100%)}
.hero-content{position:relative;z-index:2;max-width:var(--max-width);margin:0 auto;padding:0 24px;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;border-radius:50px;font-size:0.85rem;background:rgba(255,126,103,0.15);border:1px solid rgba(255,126,103,0.3);color:var(--coral);margin-bottom:20px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--coral);animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:0.3}}
.hero-content h1{font-size:3.2rem;font-weight:900;margin-bottom:18px;line-height:1.15}
.hero-content h1 .highlight{background:linear-gradient(135deg,var(--coral),var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content .subtitle{font-size:1.2rem;color:var(--text-gray);max-width:580px;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-size:1rem;font-weight:600;background:linear-gradient(135deg,var(--coral),#e0574a);color:#fff;border:none;cursor:pointer;box-shadow:0 6px 24px rgba(255,126,103,0.35);transition:all var(--transition)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 36px rgba(255,126,103,0.5);color:#fff}
.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-size:1rem;font-weight:600;background:transparent;color:var(--text-white);border:2px solid rgba(255,255,255,0.2);cursor:pointer;transition:all var(--transition)}
.btn-outline:hover{border-color:var(--coral);color:var(--coral)}

/* 数据统计条 */
.stats-bar{background:var(--night-light);border-top:1px solid var(--glass-border);border-bottom:1px solid var(--glass-border);padding:28px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item .stat-num{font-size:2rem;font-weight:800;background:linear-gradient(135deg,var(--coral),var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-item .stat-label{font-size:0.88rem;color:var(--text-muted);margin-top:4px}

/* 通用版块 */
.section{padding:80px 0}
.section-alt{background:var(--night-light)}
.section-header{text-align:center;margin-bottom:52px}
.section-header .tag{display:inline-block;padding:5px 16px;border-radius:50px;font-size:0.8rem;font-weight:600;letter-spacing:1px;background:rgba(255,126,103,0.1);color:var(--coral);margin-bottom:14px;text-transform:uppercase}
.section-header h2{font-size:2.2rem;margin-bottom:12px}
.section-header h2 .accent{color:var(--coral)}
.section-header p{font-size:1.05rem;color:var(--text-gray);max-width:620px;margin:0 auto}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.video-card{background:var(--night-card);border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--glass-border);transition:all var(--transition);cursor:pointer}
.video-card:hover{transform:translateY(-6px);border-color:rgba(255,126,103,0.3);box-shadow:var(--shadow-glow)}
.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 var(--transition)}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;border-radius:50%;background:rgba(255,126,103,0.9);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.4rem;opacity:0;transition:all var(--transition);box-shadow:0 4px 20px rgba(255,126,103,0.5)}
.video-card:hover .play-btn{opacity:1}
.video-duration{position:absolute;bottom:10px;right:10px;padding:3px 10px;border-radius:4px;font-size:0.78rem;background:rgba(0,0,0,0.75);color:#fff}
.video-info{padding:16px 18px}
.video-info h3{font-size:1rem;font-weight:600;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:0.82rem;color:var(--text-muted)}
.video-meta span{display:flex;align-items:center;gap:4px}

/* 横向滚动视频条 */
.video-scroll-wrap{overflow-x:auto;padding-bottom:12px}
.video-scroll-wrap::-webkit-scrollbar{height:4px}
.video-scroll-wrap::-webkit-scrollbar-thumb{background:var(--coral);border-radius:2px}
.video-scroll-row{display:flex;gap:20px;min-width:max-content}
.video-scroll-row .video-card{min-width:300px;max-width:300px;flex-shrink:0}

/* 特色模块 */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:72px}
.feature-row.reverse{direction:rtl}
.feature-row.reverse>*{direction:ltr}
.feature-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card)}
.feature-img img{width:100%;display:block;transition:transform var(--transition)}
.feature-img:hover img{transform:scale(1.03)}
.feature-text .tag-line{display:inline-block;padding:4px 14px;border-radius:50px;font-size:0.78rem;font-weight:600;background:rgba(255,215,0,0.12);color:var(--gold);margin-bottom:14px}
.feature-text h3{font-size:1.65rem;margin-bottom:14px}
.feature-text p{color:var(--text-gray);margin-bottom:20px}
.feature-list{display:flex;flex-direction:column;gap:10px}
.feature-list li{display:flex;align-items:center;gap:10px;color:var(--text-gray);font-size:0.95rem}
.feature-list li .icon{width:28px;height:28px;border-radius:50%;background:rgba(255,126,103,0.12);color:var(--coral);display:flex;align-items:center;justify-content:center;font-size:0.8rem;flex-shrink:0}

/* 专家团队 */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.expert-card{background:var(--night-card);border-radius:var(--radius-md);padding:32px 24px;text-align:center;border:1px solid var(--glass-border);transition:all var(--transition)}
.expert-card:hover{border-color:rgba(255,126,103,0.3);transform:translateY(-4px)}
.expert-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid var(--coral);box-shadow:0 0 20px rgba(255,126,103,0.2)}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{font-size:1.15rem;margin-bottom:4px}
.expert-card .role{font-size:0.85rem;color:var(--coral);margin-bottom:10px}
.expert-card p{font-size:0.88rem;color:var(--text-gray)}

/* AI赋能 */
.ai-features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ai-card{background:linear-gradient(145deg,var(--night-card),rgba(74,14,78,0.15));border-radius:var(--radius-md);padding:32px 24px;border:1px solid var(--glass-border);transition:all var(--transition);position:relative;overflow:hidden}
.ai-card::before{content:'';position:absolute;top:-50%;right:-50%;width:100%;height:100%;border-radius:50%;background:radial-gradient(circle,rgba(255,126,103,0.06) 0%,transparent 70%)}
.ai-card:hover{border-color:rgba(255,215,0,0.3);transform:translateY(-4px)}
.ai-card .ai-icon{width:56px;height:56px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--coral),var(--plum));display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#fff;margin-bottom:18px}
.ai-card h4{font-size:1.1rem;margin-bottom:10px;position:relative}
.ai-card p{font-size:0.9rem;color:var(--text-gray);position:relative}

/* 社区模块 */
.community-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.community-card{background:var(--night-card);border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--glass-border);display:flex;transition:all var(--transition)}
.community-card:hover{border-color:rgba(255,126,103,0.3)}
.community-card .card-img{width:45%;flex-shrink:0}
.community-card .card-img img{width:100%;height:100%;object-fit:cover}
.community-card .card-body{padding:24px;display:flex;flex-direction:column;justify-content:center}
.community-card h4{font-size:1.1rem;margin-bottom:8px}
.community-card p{font-size:0.88rem;color:var(--text-gray);margin-bottom:12px}
.community-card .card-tags{display:flex;flex-wrap:wrap;gap:6px}
.community-card .card-tags span{padding:3px 10px;border-radius:50px;font-size:0.75rem;background:rgba(255,126,103,0.1);color:var(--coral)}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--night-card);border-radius:var(--radius-md);margin-bottom:12px;border:1px solid var(--glass-border);overflow:hidden}
.faq-question{width:100%;padding:20px 24px;border:none;background:none;color:var(--text-white);font-size:1rem;font-weight:600;text-align:left;cursor:pointer;display:flex;align-items:center;justify-content:space-between}
.faq-question .arrow{font-size:0.85rem;color:var(--coral);transition:transform var(--transition)}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease}
.faq-answer-inner{padding:0 24px 20px;font-size:0.92rem;color:var(--text-gray);line-height:1.8}
.faq-item.open .faq-answer{max-height:300px}

/* 用户评价 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.review-card{background:var(--night-card);border-radius:var(--radius-md);padding:28px 24px;border:1px solid var(--glass-border)}
.review-stars{color:var(--gold);font-size:0.9rem;margin-bottom:12px;letter-spacing:2px}
.review-card blockquote{font-size:0.92rem;color:var(--text-gray);font-style:italic;margin-bottom:16px;line-height:1.7}
.review-author{display:flex;align-items:center;gap:10px}
.review-author .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--coral),var(--plum));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:0.9rem}
.review-author .name{font-size:0.88rem;font-weight:600}
.review-author .date{font-size:0.78rem;color:var(--text-muted)}

/* 联系/二维码 */
.contact-section{background:linear-gradient(180deg,var(--night),var(--plum-dark))}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.contact-info h3{font-size:1.6rem;margin-bottom:16px}
.contact-info p{color:var(--text-gray);margin-bottom:20px}
.contact-list{display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;align-items:center;gap:12px;color:var(--text-gray);font-size:0.95rem}
.contact-list li .ci{width:36px;height:36px;border-radius:50%;background:rgba(255,126,103,0.12);color:var(--coral);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.qr-group{display:flex;gap:32px;justify-content:center}
.qr-item{text-align:center}
.qr-item img{width:160px;height:160px;border-radius:var(--radius-md);margin-bottom:8px;border:2px solid var(--glass-border)}
.qr-item span{font-size:0.85rem;color:var(--text-muted)}

/* 页脚 */
.site-footer{background:var(--plum-dark);border-top:1px solid var(--glass-border);padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--text-gray);font-size:0.88rem;margin-top:12px;line-height:1.7}
.footer-col h5{font-size:0.95rem;margin-bottom:16px;color:var(--text-white);position:relative;padding-bottom:10px}
.footer-col h5::after{content:'';position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--coral);border-radius:1px}
.footer-col a{display:block;color:var(--text-muted);font-size:0.88rem;padding:4px 0;transition:color var(--transition)}
.footer-col a:hover{color:var(--coral);padding-left:4px}
.footer-bottom{border-top:1px solid var(--glass-border);padding:20px 0;text-align:center;font-size:0.82rem;color:var(--text-muted)}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom a:hover{color:var(--coral)}

/* 面包屑 */
.breadcrumb-bar{background:var(--night-light);padding:14px 0;border-bottom:1px solid var(--glass-border);margin-top:68px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:0.85rem;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--coral)}

/* 内页Hero */
.page-hero{position:relative;padding:80px 0 60px;overflow:hidden;background:linear-gradient(135deg,var(--night) 0%,var(--plum-dark) 100%)}
.page-hero::before{content:'';position:absolute;top:-40%;right:-20%;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(255,126,103,0.08) 0%,transparent 70%)}
.page-hero h1{font-size:2.4rem;margin-bottom:12px;position:relative}
.page-hero p{font-size:1.05rem;color:var(--text-gray);max-width:600px;position:relative}

/* 内页内容 */
.page-content{padding:60px 0}
.article-content{max-width:880px;margin:0 auto}
.article-content h2{font-size:1.6rem;margin:36px 0 16px;color:var(--coral)}
.article-content h3{font-size:1.3rem;margin:28px 0 12px}
.article-content p{color:var(--text-gray);margin-bottom:16px}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.tag-cloud a{padding:6px 16px;border-radius:50px;font-size:0.82rem;background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-gray);transition:all var(--transition)}
.tag-cloud a:hover{background:rgba(255,126,103,0.12);color:var(--coral);border-color:rgba(255,126,103,0.3)}

/* 工具卡片 */
.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.tool-card{background:var(--night-card);border-radius:var(--radius-md);padding:28px;border:1px solid var(--glass-border);transition:all var(--transition)}
.tool-card:hover{border-color:rgba(255,126,103,0.3);transform:translateY(-3px)}
.tool-card h4{font-size:1.1rem;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.tool-card h4 .emoji{font-size:1.4rem}
.tool-card p{font-size:0.9rem;color:var(--text-gray)}

/* 步骤流程 */
.steps-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step-counter}
.step-item{text-align:center;position:relative;counter-increment:step-counter}
.step-item::before{content:counter(step-counter);display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;margin:0 auto 16px;background:linear-gradient(135deg,var(--coral),var(--plum));color:#fff;font-size:1.3rem;font-weight:800}
.step-item h4{font-size:1rem;margin-bottom:6px}
.step-item p{font-size:0.85rem;color:var(--text-gray)}

/* 响应式 */
@media(max-width:1024px){.video-grid{grid-template-columns:repeat(2,1fr)}.feature-row{grid-template-columns:1fr;gap:32px}.feature-row.reverse{direction:ltr}.expert-grid{grid-template-columns:repeat(2,1fr)}.ai-features-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.steps-flow{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.main-nav{display:none}.mobile-toggle{display:flex}.hero-content h1{font-size:2.2rem}.stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}.stat-item .stat-num{font-size:1.5rem}.section{padding:52px 0}.section-header h2{font-size:1.7rem}.video-grid{grid-template-columns:1fr}.community-grid{grid-template-columns:1fr}.community-card{flex-direction:column}.community-card .card-img{width:100%;height:200px}.expert-grid{grid-template-columns:1fr}.ai-features-grid{grid-template-columns:1fr}.review-grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}.qr-group{flex-direction:column;align-items:center}.footer-grid{grid-template-columns:1fr}.tool-grid{grid-template-columns:1fr}.steps-flow{grid-template-columns:1fr}.main-nav.mobile-open{display:flex;flex-direction:column;position:fixed;top:68px;left:0;right:0;bottom:0;background:rgba(13,13,26,0.96);backdrop-filter:blur(20px);padding:24px;gap:4px;z-index:999}.main-nav.mobile-open a{font-size:1.1rem;padding:14px 16px}}
@media(max-width:480px){.hero-content h1{font-size:1.8rem}.hero-content .subtitle{font-size:1rem}.hero-actions{flex-direction:column}.btn-primary,.btn-outline{width:100%;justify-content:center}.header-inner{height:58px}.brand-logo img{height:34px}.brand-logo span{font-size:1.1rem}}