*{margin:0;padding:0;box-sizing:border-box}
html{}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px;line-height:1.6;color:#333;background:#f5f5f5}
a{text-decoration:none;color:inherit;transition:all 0.3s}
a:hover{color:#ff6600}
ul{list-style:none}
img{max-width:100%;height:auto}
.ddn-container{max-width:1200px;margin:0 auto;padding:0 15px}
/* ========== 头部 ========== */
.ddn-header{background:linear-gradient(135deg,#ff6600 0%,#ff8533 100%);box-shadow:0 2px 10px rgba(255,102,0,0.3);position:sticky;top:0;z-index:1000;height:70px}
.ddn-header__inner{display:flex;align-items:center;justify-content:space-between;padding:0;height:70px}
.ddn-header__logo{font-size:22px;font-weight:bold;color:#fff;display:flex;align-items:center}
.ddn-logo-img{max-height:40px;width:auto}
.ddn-header__logo:hover{opacity:0.9;color:#fff}
.ddn-header__menu{display:flex;align-items:center;gap:15px;height:70px}
.ddn-header__menu a{color:rgba(255,255,255,0.9);font-size:14px;font-weight:500;padding:6px 12px;border-radius:15px}
.ddn-header__menu a:hover,.ddn-header__menu--active{background:rgba(255,255,255,0.2);color:#fff}
/* ========== 直播信号源 ========== */
.ddn-signal-sources{margin:15px 0;position:relative;overflow:hidden}
.ddn-signal-sources::before{content:'';position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,102,0,0.05) 0%,transparent 70%);animation:ddn-signal-pulse 3s ease-in-out infinite}
@keyframes ddn-signal-pulse{0%,100%{transform:scale(1);opacity:0.5}
50%{transform:scale(1.1);opacity:0.8}
}
.ddn-signal-list{display:flex;flex-wrap:nowrap;gap:12px;position:relative;z-index:1;width:100%;max-width:100%}
.ddn-signal-btn{flex:1;min-width:0;max-width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:25px;color:#fff;font-size:14px;font-weight:600;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);position:relative;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,0.15);text-align:center;white-space:nowrap;box-sizing:border-box}
.ddn-signal-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.3),transparent);transition:left 0.5s}
.ddn-signal-btn:hover::before{left:100%}
.ddn-signal-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 8px 20px rgba(0,0,0,0.25);color:#fff}
.ddn-signal-btn:active{transform:translateY(-1px) scale(1.02)}
.ddn-signal-icon{font-size:16px;animation:ddn-signal-bounce 2s ease-in-out infinite}
@keyframes ddn-signal-bounce{0%,100%{transform:translateY(0)}
50%{transform:translateY(-2px)}
}
.ddn-signal-blue{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}
.ddn-signal-green{background:linear-gradient(135deg,#11998e 0%,#38ef7d 100%)}
.ddn-signal-orange{background:linear-gradient(135deg,#ff6b6b 0%,#feca57 100%)}
.ddn-signal-purple{background:linear-gradient(135deg,#a8edea 0%,#fed6e3 100%);color:#333}
/* ========== 主内容区 ========== */
.ddn-main{padding:10px 0 20px}
/* ========== 首页布局 ========== */
.ddn-home-layout{display:flex;gap:20px}
.ddn-home-left{width:70%;min-width:0}
.ddn-home-right{width:30%;display:flex;flex-direction:column;gap:20px;min-width:0}
.ddn-section-title{font-size:18px;font-weight:bold;color:#333;padding-bottom:10px;margin-bottom:15px;border-bottom:2px solid #ff6600}
/* ========== 文章列表 ========== */
.ddn-article-list{background:#fff;padding:15px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}
.ddn-article-item{display:flex;gap:12px;padding:10px;border-radius:6px;transition:all 0.3s;margin-bottom:8px}
.ddn-article-item:hover{background:#fafafa}
.ddn-article-item:last-child{margin-bottom:0}
.ddn-article-thumb{width:80px;height:60px;flex-shrink:0;border-radius:6px;overflow:hidden;background:#f5f5f5}
.ddn-article-thumb img{width:100%;height:100%;object-fit:cover}
.ddn-article-info{flex:1;min-width:0}
.ddn-article-info h3{font-size:14px;font-weight:600;color:#333;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.ddn-article-info time{font-size:12px;color:#999}
/* ========== 标签云 ========== */
.ddn-tag-cloud{background:#fff;padding:15px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}
.ddn-tags{display:flex;flex-wrap:wrap;gap:8px}
.ddn-tag{padding:6px 14px;border-radius:20px;color:#fff;font-size:12px;font-weight:500;transition:all 0.3s}
.ddn-tag:hover{opacity:0.8;transform:translateY(-2px)}
/* ========== 比赛列表 ========== */
.ddn-match-list{background:#fff;padding:15px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}
.ddn-match-day{margin-bottom:25px}
.ddn-match__date{font-size:16px;color:#333;padding-bottom:10px;margin-bottom:12px;font-weight:bold;border-bottom:2px solid #ff6600}
.ddn-match__content{list-style:none}
.ddn-match__item{display:flex;align-items:center;padding:12px;margin-bottom:8px;border:1px solid #f0f0f0;border-radius:8px;transition:all 0.3s}
.ddn-match__item:hover{border-color:#ff6600;background:#fafafa}
.ddn-match__info{width:120px;display:flex;flex-direction:column;gap:4px}
.ddn-match__league{color:#ff6600;font-size:11px;font-weight:600}
.ddn-match__time{font-size:16px;font-weight:bold;color:#333}
.ddn-match__teams{flex:1;display:flex;align-items:center;justify-content:center;gap:15px}
.ddn-match__team{flex:1;text-align:center}
.ddn-match__team-name{font-size:14px;font-weight:600;color:#333}
.ddn-match__vs{color:#999;font-size:13px;padding:0 15px}
.ddn-match__action{width:120px;text-align:right}
.ddn-match__link{display:inline-block;padding:6px 16px;background:#ff6600;color:#fff;border-radius:15px;font-size:13px;font-weight:600}
.ddn-match__link:hover{background:#e65c00;color:#fff}
/* ========== 无比赛 ========== */
.ddn-no-match{text-align:center;padding:40px 0;color:#999;font-size:15px;background:#fff;border-radius:8px}
/* ========== 底部 ========== */
.ddn-footer{background:#fff;border-top:3px solid #ff6600;padding:25px 0;margin-top:20px;text-align:center}
.ddn-footer__content{max-width:600px;margin:0 auto}
.ddn-footer__links{margin-bottom:15px;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 14px}
.ddn-footer__links a{color:#666;font-size:13px}
.ddn-footer__links a:hover{color:#ff6600}
.ddn-footer__text{color:#999;font-size:12px;margin-bottom:12px;line-height:1.8}
.ddn-footer__copyright{color:#666;font-size:13px;margin-bottom:8px}
.ddn-footer__icp{color:#999;font-size:12px}
/* ========== 文章详情页 ========== */
/* 面包屑导航 */
.ddn-breadcrumb{background:#fff;padding:10px 15px;border-radius:8px;margin-bottom:10px;font-size:13px;color:#666}
.ddn-breadcrumb a{color:#666}
.ddn-breadcrumb a:hover{color:#ff6600}
.ddn-breadcrumb__separator{margin:0 6px;color:#ccc}
.ddn-breadcrumb__current{color:#333}
/* 文章容器 */
.ddn-article{background:#fff;padding:20px;border-radius:8px;margin-bottom:10px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}
.ddn-article__header{margin-bottom:15px;padding-bottom:15px;border-bottom:1px solid #f0f0f0}
.ddn-article__title{font-size:22px;color:#333;margin-bottom:12px;line-height:1.4;font-weight:bold}
.ddn-article__meta{display:flex;gap:15px;color:#999;font-size:13px;flex-wrap:wrap}
.ddn-article__meta span{display:flex;align-items:center;gap:5px}
.ddn-article__cover{margin-bottom:15px;border-radius:8px;overflow:hidden}
.ddn-article__cover img{width:100%;max-height:300px;object-fit:cover}
.ddn-article__content{font-size:15px;line-height:1.8;color:#333}
.ddn-article__content p{margin-bottom:12px}
.ddn-article__content img{max-width:100%;height:auto;border-radius:8px;margin:12px 0}
/* 标签 */
.ddn-article__tags{margin-top:20px;padding-top:15px;border-top:1px solid #f0f0f0;display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.ddn-article__tags-title{color:#666;font-size:13px;font-weight:600}
.ddn-article__tag{padding:4px 12px;background:#f5f5f5;border-radius:12px;font-size:12px;color:#666;border:1px solid #e0e0e0}
.ddn-article__tag:hover{background:#ff6600;color:#fff;border-color:#ff6600}
/* 相关文章 */
.ddn-related{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}
.ddn-related__title{font-size:18px;color:#333;margin-bottom:15px;padding-bottom:10px;font-weight:bold;border-bottom:2px solid #ff6600}
.ddn-related__list{display:flex;flex-wrap:wrap;gap:12px}
.ddn-related__item{display:flex;gap:10px;padding:10px;border:1px solid #f0f0f0;border-radius:8px;transition:all 0.3s;width:100%;min-width:0}
.ddn-related__item:hover{border-color:#ff6600;box-shadow:0 4px 12px rgba(255,102,0,0.15)}
.ddn-related__img{width:100px;height:70px;object-fit:cover;border-radius:6px;flex-shrink:0}
.ddn-related__info{flex:1;min-width:0}
.ddn-related__name{font-size:13px;color:#333;margin-bottom:6px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;max-width:100%}
.ddn-related__desc{font-size:12px;color:#999;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;max-width:100%}
.ddn-related__meta{display:flex;gap:10px;font-size:11px;color:#bbb}
.ddn-related__meta span{display:flex;align-items:center;gap:3px}
/* ========== 响应式设计 ========== */
/* Toggle Button Active State */
.ddn-menu-toggle.active .ddn-toggle-line{background:#333 !important}
/* Menu Toggle - 默认隐藏（PC 端） */
.ddn-menu-toggle{display:none}
@media (max-width:768px){.ddn-header__inner{flex-direction:row;align-items:center;justify-content:space-between;gap:0}
.ddn-menu-toggle{display:flex;flex-direction:column;justify-content:space-between;width:32px;height:24px;background:rgba(255,255,255,0.2);border:1px solid rgba(255,255,255,0.4);border-radius:6px;cursor:pointer;padding:4px;z-index:100;transition:all 0.3s;flex-shrink:0;box-sizing:border-box}
.ddn-menu-toggle span{display:block;width:100%;height:3px;background:#fff;border-radius:2px;transition:all 0.3s;flex-shrink:0}
.ddn-menu-toggle:hover{background:rgba(255,255,255,0.3);border-color:rgba(255,255,255,0.6)}
.ddn-menu-toggle span{display:block;width:100%;height:3px;background:#fff;border-radius:2px;transition:all 0.3s}
.ddn-menu-toggle.active span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.ddn-menu-toggle.active span:nth-child(2){opacity:0}
.ddn-menu-toggle.active span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
.ddn-header__menu{position:fixed;top:0;right:-100%;width:80%;max-width:300px;height:100vh;background:#fff;flex-direction:column;padding:80px 20px 20px;gap:0;transition:right 0.3s ease;z-index:1001;box-shadow:-4px 0 12px rgba(0,0,0,0.1);overflow-y:auto;display:flex}
.ddn-header__menu.active{right:0}
.ddn-header__menu.active::before{content:'';position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(0,0,0,0.5);z-index:1000}
.ddn-header__menu a{padding:14px 0;text-align:center;border-bottom:1px solid #f0f0f0;font-size:15px;width:100%;color:#333 !important;font-weight:500;background:transparent !important;}
.ddn-header__menu a:hover,.ddn-header__menu a.ddn-header__menu--active{color:#ff6600 !important;
text-align:center;background:rgba(255,102,0,0.1) !important;}
.ddn-signal-list{flex-direction:column;gap:10px}
.ddn-signal-btn{flex:none !important;width:100% !important;min-width:100% !important;box-sizing:border-box;white-space:normal !important}
.ddn-home-layout{flex-direction:column}
.ddn-home-left,.ddn-home-right{width:100%}
.ddn-popular-match__content{flex-direction:column}
.ddn-match__item{flex-direction:column;gap:8px;text-align:center}
.ddn-match__info,.ddn-match__action{width:100%}
.ddn-match__action{text-align:center}
.ddn-match__teams{width:100%}
.ddn-article{padding:12px}
.ddn-article__title{font-size:18px;line-height:1.5;word-wrap:break-word}
.ddn-article__meta{flex-direction:column;gap:8px}
.ddn-breadcrumb{font-size:12px;padding:8px 12px;overflow-x:auto;white-space:nowrap}
.ddn-article__content{font-size:15px;line-height:1.8;padding:0}
.ddn-article__tags{padding:12px;margin-top:15px}
.ddn-related{padding:12px}
.ddn-article__content img{max-width:100%;height:auto}
.ddn-related__list{flex-direction:column}
.ddn-related__item{flex-direction:column}
.ddn-related__img{width:100%;height:120px}
.ddn-related__name{white-space:normal;word-break:break-all;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.ddn-related__desc{white-space:normal;word-break:break-all;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}}