/* 每日大赛 - 主样式文件 | dlsqmy.com */
:root {
  --primary: #ff6b9d;
  --primary-dark: #e0527f;
  --secondary: #c44dff;
  --accent: #ff9a3c;
  --dark: #1a1a2e;
  --dark2: #16213e;
  --dark3: #0f3460;
  --text: #333;
  --text-light: #666;
  --bg: #fff;
  --bg2: #fdf0f5;
  --bg3: #f8f0ff;
  --border: #ffe0ec;
  --shadow: 0 4px 20px rgba(255,107,157,0.15);
  --shadow2: 0 8px 30px rgba(196,77,255,0.15);
  --radius: 12px;
  --radius2: 20px;
}
*,*::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;color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}
a{color:var(--primary);text-decoration:none;transition:all .3s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
/* ===== HEADER ===== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.97);backdrop-filter:blur(10px);box-shadow:0 2px 20px rgba(255,107,157,0.12);border-bottom:2px solid var(--border)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:20px;height:70px}
.site-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.site-logo img{height:44px;width:auto}
.logo-text{font-size:1.5rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:2px}
.logo-sub{font-size:.65rem;color:var(--text-light);display:block;margin-top:-4px;letter-spacing:1px}
/* NAV */
.main-nav{flex:1;display:flex;align-items:center}
.nav-list{display:flex;gap:4px;align-items:center}
.nav-list a{padding:8px 14px;border-radius:8px;font-size:.9rem;font-weight:500;color:var(--text);transition:all .3s;white-space:nowrap}
.nav-list a:hover,.nav-list a.active{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff}
/* SEARCH */
.header-search{display:flex;align-items:center;gap:8px;background:var(--bg2);border:1.5px solid var(--border);border-radius:24px;padding:6px 16px;transition:all .3s;min-width:200px}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,107,157,0.15)}
.header-search input{border:none;background:transparent;outline:none;font-size:.9rem;color:var(--text);width:100%}
.header-search button{background:none;border:none;cursor:pointer;color:var(--primary);padding:0;font-size:1rem}
/* MOBILE TOGGLE */
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--primary);border-radius:2px;transition:all .3s}
/* ===== HERO BANNER ===== */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--dark) 0%,var(--dark3) 50%,#2d1b69 100%);min-height:520px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;opacity:.35}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,26,46,.85) 0%,rgba(196,77,255,.3) 100%)}
.hero-content{position:relative;z-index:2;max-width:1280px;margin:0 auto;padding:60px 20px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero-text h1{font-size:2.8rem;font-weight:900;color:#fff;line-height:1.2;margin-bottom:16px}
.hero-text h1 span{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-text p{color:rgba(255,255,255,.8);font-size:1.1rem;margin-bottom:28px;line-height:1.8}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:50px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s;border:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 4px 20px rgba(255,107,157,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,107,157,.5);color:#fff}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.hero-media{position:relative}
.hero-video-card{border-radius:var(--radius2);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.4);position:relative}
.hero-video-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.2);transition:all .3s}
.play-btn{width:64px;height:64px;background:rgba(255,255,255,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s;cursor:pointer}
.play-btn::after{content:'';border-left:22px solid var(--primary);border-top:13px solid transparent;border-bottom:13px solid transparent;margin-left:4px}
.play-overlay:hover .play-btn{transform:scale(1.1);background:#fff}
/* STATS */
.hero-stats{display:flex;gap:30px;margin-top:30px}
.stat-item{text-align:center}
.stat-num{font-size:1.8rem;font-weight:800;color:var(--primary)}
.stat-label{font-size:.8rem;color:rgba(255,255,255,.7)}
/* ===== SECTIONS ===== */
.section{padding:70px 20px}
.section-inner{max-width:1280px;margin:0 auto}
.section-header{text-align:center;margin-bottom:50px}
.section-tag{display:inline-block;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;font-size:.75rem;font-weight:600;padding:4px 14px;border-radius:20px;margin-bottom:12px;letter-spacing:1px}
.section-title{font-size:2rem;font-weight:800;color:var(--dark);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-light);font-size:1rem;max-width:600px;margin:0 auto}
.section-bg{background:var(--bg2)}
.section-bg2{background:var(--bg3)}
/* ===== VIDEO CARDS ===== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(255,107,157,.25)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#1a1a2e}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.video-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0);transition:all .3s}
.video-card:hover .video-play{background:rgba(0,0,0,.35)}
.video-play-icon{width:48px;height:48px;background:rgba(255,255,255,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(.8);transition:all .3s}
.video-play-icon::after{content:'';border-left:16px solid var(--primary);border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:3px}
.video-card:hover .video-play-icon{opacity:1;transform:scale(1)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;font-size:.72rem;padding:2px 7px;border-radius:4px}
.video-tag{position:absolute;top:8px;left:8px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;font-size:.7rem;padding:3px 9px;border-radius:4px;font-weight:600}
.video-info{padding:14px}
.video-title{font-size:.95rem;font-weight:600;color:var(--dark);margin-bottom:8px;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:12px;font-size:.78rem;color:var(--text-light)}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-author{display:flex;align-items:center;gap:8px;margin-top:10px}
.author-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;border:2px solid var(--border)}
.author-name{font-size:.8rem;color:var(--text-light)}
/* ===== FEATURE MODULES ===== */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}
.feature-card{background:#fff;border-radius:var(--radius);padding:28px 20px;text-align:center;box-shadow:var(--shadow);transition:all .3s;border:1.5px solid transparent}
.feature-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:0 10px 30px rgba(255,107,157,.2)}
.feature-icon{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.6rem}
.feature-title{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:8px}
.feature-desc{font-size:.85rem;color:var(--text-light);line-height:1.6}
/* ===== EXPERT CARDS ===== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:var(--radius2);overflow:hidden;box-shadow:var(--shadow);transition:all .3s;text-align:center}
.expert-card:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.expert-avatar{width:100%;aspect-ratio:1;object-fit:cover}
.expert-info{padding:20px 16px}
.expert-name{font-size:1.1rem;font-weight:700;color:var(--dark);margin-bottom:4px}
.expert-role{font-size:.82rem;color:var(--primary);font-weight:600;margin-bottom:10px}
.expert-desc{font-size:.82rem;color:var(--text-light);line-height:1.6;margin-bottom:14px}
.expert-btns{display:flex;gap:8px;justify-content:center}
.btn-sm{padding:7px 16px;font-size:.8rem;border-radius:20px;font-weight:600;cursor:pointer;transition:all .3s;border:none}
.btn-sm-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff}
.btn-sm-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-sm-outline:hover{background:var(--primary);color:#fff}
/* ===== REVIEWS ===== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border-left:4px solid var(--primary)}
.review-stars{color:#ffd700;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-text{font-size:.9rem;color:var(--text);line-height:1.7;margin-bottom:14px;font-style:italic}
.reviewer{display:flex;align-items:center;gap:10px}
.reviewer-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem;flex-shrink:0}
.reviewer-name{font-size:.85rem;font-weight:600;color:var(--dark)}
.reviewer-date{font-size:.75rem;color:var(--text-light)}
/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;border:1.5px solid var(--border)}
.faq-q{padding:18px 24px;font-weight:600;color:var(--dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .3s}
.faq-q:hover{background:var(--bg2)}
.faq-q::after{content:'+';font-size:1.4rem;color:var(--primary);transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s;font-size:.9rem;color:var(--text-light);line-height:1.7}
.faq-item.open .faq-a{padding:0 24px 18px;max-height:300px}
/* ===== PARTNERS ===== */
.partner-logos{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}
.partner-logo{background:#fff;border:1.5px solid var(--border);border-radius:10px;padding:14px 24px;font-size:.9rem;font-weight:600;color:var(--text-light);transition:all .3s}
.partner-logo:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:16px}
.contact-item{display:flex;align-items:flex-start;gap:14px;background:#fff;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.contact-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;flex-shrink:0}
.contact-label{font-size:.8rem;color:var(--text-light);margin-bottom:3px}
.contact-value{font-size:.95rem;font-weight:600;color:var(--dark)}
.qr-group{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}
.qr-item{text-align:center}
.qr-item img{width:120px;height:120px;border-radius:10px;border:2px solid var(--border);margin-bottom:8px}
.qr-label{font-size:.82rem;color:var(--text-light);font-weight:500}
/* ===== SOCIAL SHARE ===== */
.social-share{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.share-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:24px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .3s;border:none;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#000}
.share-bilibili{background:#00a1d6}
.share-btn:hover{transform:translateY(-2px);opacity:.9;color:#fff}
/* ===== FOOTER ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.8);padding:50px 20px 20px}
.footer-inner{max-width:1280px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo-text{font-size:1.4rem;margin-bottom:12px;display:block}
.footer-brand p{font-size:.85rem;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:16px}
.footer-title{font-size:1rem;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:.85rem;color:rgba(255,255,255,.6);transition:color .3s}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:gap;gap:12px;font-size:.82rem;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--primary)}
/* ===== BREADCRUMB ===== */
.breadcrumb{background:var(--bg2);padding:12px 20px;border-bottom:1px solid var(--border)}
.breadcrumb-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-light)}
.breadcrumb-inner a{color:var(--text-light)}
.breadcrumb-inner a:hover{color:var(--primary)}
.breadcrumb-inner span{color:var(--primary)}
/* ===== PAGE HERO ===== */
.page-hero{background:linear-gradient(135deg,var(--dark),var(--dark3));padding:60px 20px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,107,157,.2),rgba(196,77,255,.2))}
.page-hero-content{position:relative;z-index:1}
.page-hero h1{font-size:2.2rem;font-weight:800;color:#fff;margin-bottom:12px}
.page-hero p{color:rgba(255,255,255,.75);font-size:1rem;max-width:600px;margin:0 auto}
/* ===== INNER PAGE ===== */
.inner-section{padding:60px 20px}
.inner-section-inner{max-width:1280px;margin:0 auto}
/* ===== TAGS ===== */
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tag{background:var(--bg2);color:var(--primary);border:1px solid var(--border);border-radius:20px;padding:4px 14px;font-size:.8rem;cursor:pointer;transition:all .3s}
.tag:hover,.tag.active{background:var(--primary);color:#fff;border-color:var(--primary)}
/* ===== PAGINATION ===== */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:40px}
.page-btn{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:#fff;border:1.5px solid var(--border);color:var(--text);font-size:.9rem;cursor:pointer;transition:all .3s}
.page-btn:hover,.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}
/* ===== COMMENT / QA ===== */
.comment-section{margin-top:50px}
.comment-title{font-size:1.3rem;font-weight:700;color:var(--dark);margin-bottom:24px;padding-bottom:12px;border-bottom:2px solid var(--border)}
.comment-list{display:flex;flex-direction:column;gap:20px}
.comment-item{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.comment-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;flex-shrink:0}
.comment-user{font-weight:600;color:var(--dark);font-size:.9rem}
.comment-date{font-size:.78rem;color:var(--text-light)}
.comment-stars{color:#ffd700;font-size:.85rem;margin-top:2px}
.comment-body{font-size:.9rem;color:var(--text);line-height:1.7}
.comment-reply{margin-top:12px;padding:12px 16px;background:var(--bg2);border-radius:8px;border-left:3px solid var(--primary)}
.comment-reply-label{font-size:.78rem;font-weight:600;color:var(--primary);margin-bottom:4px}
.comment-reply-text{font-size:.85rem;color:var(--text-light);line-height:1.6}
/* ===== LOADING / LAZY ===== */
.lazy-img{opacity:0;transition:opacity .4s}
.lazy-img.loaded{opacity:1}
/* ===== BACK TO TOP ===== */
.back-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;cursor:pointer;box-shadow:0 4px 20px rgba(255,107,157,.4);opacity:0;transform:translateY(20px);transition:all .3s;z-index:999;border:none}
.back-top.show{opacity:1;transform:translateY(0)}
.back-top:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(255,107,157,.5)}
/* ===== NOTICE BAR ===== */
.notice-bar{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:8px 20px;text-align:center;font-size:.85rem;font-weight:500}
.notice-bar a{color:#fff;text-decoration:underline}
/* ===== LIVE BADGE ===== */
.live-badge{display:inline-flex;align-items:center;gap:5px;background:#ff3b3b;color:#fff;font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:4px}
.live-dot{width:7px;height:7px;background:#fff;border-radius:50%;animation:pulse 1.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .hero-content{grid-template-columns:1fr;text-align:center}
  .hero-btns{justify-content:center}
  .hero-stats{justify-content:center}
  .footer-top{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .header-inner{gap:12px}
  .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;border-top:1px solid var(--border);padding:16px;box-shadow:0 10px 30px rgba(0,0,0,.1)}
  .main-nav.open{display:block}
  .nav-list{flex-direction:column;gap:4px}
  .nav-list a{display:block;padding:10px 16px}
  .nav-toggle{display:flex}
  .hero-text h1{font-size:2rem}
  .section-title{font-size:1.6rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .header-search{min-width:120px}
}
@media(max-width:480px){
  .hero-text h1{font-size:1.6rem}
  .hero-stats{gap:16px}
  .stat-num{font-size:1.4rem}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
}