/* =============================================
   91 修车改装视频社区 | bdhind.cn
   原创黑金迈巴赫风格 CSS
   ============================================= */

/* ---- 变量 ---- */
:root {
  --gold:       #C9A84C;
  --gold-light: #E8C96A;
  --gold-dark:  #9A7A2E;
  --black:      #0A0A0A;
  --dark1:      #111111;
  --dark2:      #181818;
  --dark3:      #222222;
  --dark4:      #2A2A2A;
  --card-bg:    #1A1A1A;
  --card-border:rgba(201,168,76,0.18);
  --text-light: #F0EAD6;
  --text-muted: #888880;
  --text-dim:   #555550;
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --shadow-gold:0 4px 24px rgba(201,168,76,0.15);
  --shadow-card:0 2px 16px rgba(0,0,0,0.5);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-main:  'Noto Serif SC','SimSun','STSong',Georgia,serif;
  --font-sans:  'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{background:var(--black);color:var(--text-light);font-family:var(--font-sans);line-height:1.7;overflow-x:hidden}
a{color:var(--gold);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--gold-light)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ---- 容器 ---- */
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section-pad{padding:80px 0}

/* ---- 金线分隔 ---- */
.gold-line{width:60px;height:3px;background:linear-gradient(90deg,var(--gold-dark),var(--gold),var(--gold-dark));margin:0 auto 24px;border-radius:2px}
.gold-line-left{margin:0 0 24px}

/* ---- 徽章 ---- */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.5px}
.badge-gold{background:rgba(201,168,76,0.15);color:var(--gold);border:1px solid rgba(201,168,76,0.3)}
.badge-dark{background:rgba(255,255,255,0.06);color:var(--text-muted);border:1px solid rgba(255,255,255,0.1)}

/* ---- 按钮 ---- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;letter-spacing:.5px;transition:all var(--transition)}
.btn-gold{background:linear-gradient(135deg,var(--gold-dark),var(--gold));color:var(--black);box-shadow:0 4px 16px rgba(201,168,76,0.3)}
.btn-gold:hover{background:linear-gradient(135deg,var(--gold),var(--gold-light));color:var(--black);transform:translateY(-2px);box-shadow:0 8px 24px rgba(201,168,76,0.4)}
.btn-outline{background:transparent;color:var(--gold);border:1px solid var(--gold)}
.btn-outline:hover{background:rgba(201,168,76,0.1);color:var(--gold-light)}
.btn-ghost{background:rgba(255,255,255,0.05);color:var(--text-light);border:1px solid rgba(255,255,255,0.1)}
.btn-ghost:hover{background:rgba(255,255,255,0.1)}

/* ---- 标题 ---- */
.section-title{font-size:clamp(22px,3vw,32px);font-weight:800;color:var(--text-light);text-align:center;margin-bottom:8px;font-family:var(--font-main)}
.section-subtitle{font-size:14px;color:var(--text-muted);text-align:center;margin-bottom:48px;max-width:600px;margin-left:auto;margin-right:auto}
.section-title-left{text-align:left}
.section-subtitle-left{text-align:left;margin-left:0;margin-right:0}

/* ============================================
   顶部公告栏
   ============================================ */
.e6czojvz{background:linear-gradient(90deg,var(--gold-dark),var(--gold),var(--gold-dark));padding:7px 0;text-align:center;font-size:12px;color:var(--black);font-weight:600;letter-spacing:.5px}
.e6czojvz a{color:var(--black);text-decoration:underline}

/* ============================================
   导航栏
   ============================================ */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(10,10,10,0.97);backdrop-filter:blur(12px);border-bottom:1px solid rgba(201,168,76,0.15)}
.header-wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo-area{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-favicon{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--gold)}
.logo-img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid var(--gold)}
.logo-text{font-size:22px;font-weight:900;color:var(--gold);font-family:var(--font-main);letter-spacing:1px}
.logo-text span{color:var(--text-light)}

.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:4px;padding:8px 14px;font-size:14px;font-weight:500;color:var(--text-light);border-radius:var(--radius-sm);transition:all var(--transition)}
.nav-link:hover,.nav-item.active .nav-link{color:var(--gold);background:rgba(201,168,76,0.08)}
.nav-link svg{width:12px;height:12px;transition:transform var(--transition)}
.nav-item:hover .nav-link svg{transform:rotate(180deg)}

/* 下拉菜单 */
.dropdown{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);min-width:200px;background:var(--dark2);border:1px solid var(--card-border);border-radius:var(--radius-md);padding:8px;opacity:0;visibility:hidden;transition:all var(--transition);box-shadow:var(--shadow-card)}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:block;padding:9px 14px;font-size:13px;color:var(--text-light);border-radius:var(--radius-sm);transition:all var(--transition)}
.dropdown a:hover{background:rgba(201,168,76,0.1);color:var(--gold)}

/* 导航右侧 */
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.aa92ymp5{display:none;flex-direction:column;gap:5px;padding:8px;border-radius:var(--radius-sm)}
.aa92ymp5 span{display:block;width:22px;height:2px;background:var(--text-light);transition:all var(--transition);border-radius:2px}

/* 搜索框 */
.jtwhrgzm{background:var(--dark2);border-bottom:1px solid var(--card-border);padding:12px 0;display:none}
.dmz9xzj{display:flex;align-items:center;gap:12px;max-width:700px;margin:0 auto;padding:0 24px}
.4i72030s{color:var(--gold);flex-shrink:0}
.8oprm0oo{flex:1;background:var(--dark3);border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:10px 16px;font-size:14px;color:var(--text-light);outline:none;transition:border-color var(--transition)}
.8oprm0oo:focus{border-color:var(--gold)}
.8oprm0oo::placeholder{color:var(--text-dim)}
.ttia1{background:var(--gold);color:var(--black);border:none;padding:10px 20px;border-radius:var(--radius-sm);font-size:13px;font-weight:700;cursor:pointer;transition:all var(--transition)}
.ttia1:hover{background:var(--gold-light)}
.2cbkq1{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.h2qno{font-size:12px;color:var(--text-muted);cursor:pointer;padding:2px 8px;border-radius:12px;border:1px solid rgba(255,255,255,0.08);transition:all var(--transition)}
.h2qno:hover{color:var(--gold);border-color:rgba(201,168,76,0.3)}

/* 移动端菜单 */
.w25adi{display:none;position:fixed;top:68px;left:0;right:0;bottom:0;background:var(--dark1);z-index:999;overflow-y:auto;padding:20px 24px}
.mobile-menu.open{display:block}
.ufxzs{border-bottom:1px solid rgba(255,255,255,0.06)}
.8uj7ev{display:block;padding:14px 0;font-size:16px;color:var(--text-light);font-weight:500}
.8uj7ev:hover{color:var(--gold)}

/* ============================================
   面包屑
   ============================================ */
.breadcrumb{background:var(--dark2);padding:12px 0;border-bottom:1px solid rgba(255,255,255,0.05)}
.breadcrumb-inner{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);flex-wrap:wrap}
.breadcrumb-inner a{color:var(--text-muted);transition:color var(--transition)}
.breadcrumb-inner a:hover{color:var(--gold)}
.breadcrumb-sep{color:var(--text-dim)}

/* ============================================
   Hero Banner
   ============================================ */
.hero-banner{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(105deg,rgba(10,10,10,0.88) 40%,rgba(10,10,10,0.4) 100%)}
.hero-content{position:relative;z-index:2;max-width:640px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(201,168,76,0.12);border:1px solid rgba(201,168,76,0.3);border-radius:20px;padding:5px 16px;font-size:12px;color:var(--gold);font-weight:600;letter-spacing:1px;margin-bottom:20px}
.hero-title{font-size:clamp(32px,5vw,58px);font-weight:900;line-height:1.15;margin-bottom:16px;font-family:var(--font-main)}
.hero-title .brand{color:var(--gold)}
.hero-desc{font-size:16px;color:rgba(240,234,214,0.8);line-height:1.8;margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:32px;margin-top:48px;flex-wrap:wrap}
.hero-stat-item{text-align:center}
.hero-stat-num{font-size:28px;font-weight:900;color:var(--gold);font-family:var(--font-main)}
.hero-stat-label{font-size:12px;color:var(--text-muted);margin-top:2px}

/* ============================================
   视频卡片（H5 video + 鼠标悬停播放按钮）
   ============================================ */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.video-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-md);overflow:hidden;transition:all var(--transition)}
.video-card:hover{transform:translateY(-4px);border-color:rgba(201,168,76,0.4);box-shadow:var(--shadow-gold)}

/* H5 video 缩略图区域 */
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--dark3);cursor:pointer}
.video-thumb video.h5-preview{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s}
.video-thumb:hover video.h5-preview{opacity:1}
.video-thumb .poster-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-thumb:hover .poster-img{transform:scale(1.04)}
.play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0);transition:background var(--transition)}
.video-thumb:hover .play-overlay{background:rgba(0,0,0,0.35)}
.play-circle{width:54px;height:54px;border-radius:50%;background:rgba(201,168,76,0.9);display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(0.8);transition:all var(--transition)}
.video-thumb:hover .play-circle{opacity:1;transform:scale(1)}
.play-circle svg{width:22px;height:22px;fill:var(--black);margin-left:3px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;font-size:11px;padding:2px 7px;border-radius:4px;font-weight:600}
.video-tag-top{position:absolute;top:8px;left:8px}

/* 视频信息 */
.video-info{padding:16px}
.video-title{font-size:14px;font-weight:700;color:var(--text-light);line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-desc{font-size:12px;color:var(--text-muted);line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.video-author{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-muted)}
.video-author img{width:20px;height:20px;border-radius:50%;object-fit:cover}
.video-stats{display:flex;gap:12px;font-size:12px;color:var(--text-muted)}
.video-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.video-actions{margin-top:10px}

/* ============================================
   特色卡片
   ============================================ */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.feature-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-md);padding:28px 24px;transition:all var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:0;transition:opacity var(--transition)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-gold)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:52px;height:52px;border-radius:var(--radius-sm);background:rgba(201,168,76,0.1);border:1px solid rgba(201,168,76,0.2);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:24px}
.feature-title{font-size:16px;font-weight:700;color:var(--text-light);margin-bottom:8px}
.feature-desc{font-size:13px;color:var(--text-muted);line-height:1.7}

/* ============================================
   专家卡片
   ============================================ */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px}
.expert-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition)}
.expert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-gold);border-color:rgba(201,168,76,0.4)}
.expert-img-wrap{position:relative;aspect-ratio:3/4;overflow:hidden}
.expert-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.expert-card:hover .expert-img-wrap img{transform:scale(1.05)}
.expert-overlay{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(0deg,rgba(10,10,10,0.95) 0%,transparent 100%)}
.expert-name{font-size:18px;font-weight:800;color:var(--text-light);font-family:var(--font-main)}
.expert-role{font-size:12px;color:var(--gold);margin-top:2px}
.expert-body{padding:16px}
.expert-bio{font-size:13px;color:var(--text-muted);line-height:1.7;margin-bottom:12px}
.expert-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.expert-actions{display:flex;gap:8px}

/* ============================================
   用户评价
   ============================================ */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-md);padding:24px;position:relative;transition:all var(--transition)}
.review-card:hover{border-color:rgba(201,168,76,0.3);box-shadow:var(--shadow-gold)}
.review-quote{position:absolute;top:16px;right:20px;font-size:48px;color:rgba(201,168,76,0.1);font-family:Georgia,serif;line-height:1}
.review-stars{display:flex;gap:3px;margin-bottom:12px}
.review-stars span{color:var(--gold);font-size:14px}
.review-text{font-size:14px;color:var(--text-light);line-height:1.8;margin-bottom:16px}
.review-author{display:flex;align-items:center;gap:10px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:var(--dark3);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:var(--gold);border:1px solid rgba(201,168,76,0.3)}
.review-name{font-size:14px;font-weight:700;color:var(--text-light)}
.review-date{font-size:12px;color:var(--text-muted)}
.review-tag{font-size:11px;color:var(--gold);background:rgba(201,168,76,0.1);padding:2px 8px;border-radius:10px;margin-top:4px;display:inline-block}

/* ============================================
   FAQ
   ============================================ */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-md);overflow:hidden}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;cursor:pointer;font-size:15px;font-weight:600;color:var(--text-light);transition:color var(--transition)}
.faq-q:hover{color:var(--gold)}
.faq-q .faq-icon{width:22px;height:22px;border-radius:50%;background:rgba(201,168,76,0.1);border:1px solid rgba(201,168,76,0.2);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--transition)}
.faq-q .faq-icon svg{width:12px;height:12px;fill:var(--gold);transition:transform var(--transition)}
.faq-item.open .faq-q .faq-icon svg{transform:rotate(180deg)}
.faq-item.open .faq-q{color:var(--gold)}
.faq-a{display:none;padding:0 22px 18px;font-size:14px;color:var(--text-muted);line-height:1.8}
.faq-item.open .faq-a{display:block}

/* ============================================
   合作品牌 Logo 墙
   ============================================ */
.partner-wall{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}
.partner-item{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:14px 24px;font-size:13px;font-weight:700;color:var(--text-muted);transition:all var(--transition);min-width:120px;text-align:center}
.partner-item:hover{border-color:rgba(201,168,76,0.4);color:var(--gold);background:rgba(201,168,76,0.06)}

/* ============================================
   联系我们
   ============================================ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info-list{display:flex;flex-direction:column;gap:16px}
.contact-info-item{display:flex;align-items:flex-start;gap:14px;padding:16px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-md)}
.contact-icon{width:42px;height:42px;border-radius:var(--radius-sm);background:rgba(201,168,76,0.1);border:1px solid rgba(201,168,76,0.2);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:20px}
.contact-label{font-size:12px;color:var(--text-muted);margin-bottom:3px}
.contact-value{font-size:14px;font-weight:600;color:var(--text-light)}
.qr-wrap{display:flex;gap:24px;flex-wrap:wrap}
.qr-item{text-align:center}
.qr-item img{width:120px;height:120px;border-radius:var(--radius-sm);border:2px solid var(--card-border);background:white;padding:6px}
.qr-item p{font-size:12px;color:var(--text-muted);margin-top:8px}
.qr-item strong{font-size:12px;color:var(--gold)}

/* ============================================
   社区频道
   ============================================ */
.channel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}
.channel-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-md);padding:24px 20px;text-align:center;transition:all var(--transition);cursor:pointer}
.channel-card:hover{border-color:rgba(201,168,76,0.4);transform:translateY(-3px);box-shadow:var(--shadow-gold)}
.channel-icon{font-size:36px;margin-bottom:12px}
.channel-name{font-size:15px;font-weight:700;color:var(--text-light);margin-bottom:6px}
.channel-count{font-size:12px;color:var(--gold)}
.channel-desc{font-size:12px;color:var(--text-muted);margin-top:6px;line-height:1.6}

/* ============================================
   AI 赋能模块
   ============================================ */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.ai-card{background:linear-gradient(135deg,var(--dark2),var(--dark3));border:1px solid rgba(201,168,76,0.15);border-radius:var(--radius-lg);padding:28px;position:relative;overflow:hidden;transition:all var(--transition)}
.ai-card::after{content:'';position:absolute;bottom:-30px;right:-30px;width:100px;height:100px;border-radius:50%;background:radial-gradient(circle,rgba(201,168,76,0.08),transparent)}
.ai-card:hover{border-color:rgba(201,168,76,0.35);box-shadow:var(--shadow-gold)}
.ai-icon{font-size:40px;margin-bottom:16px}
.ai-title{font-size:17px;font-weight:800;color:var(--text-light);margin-bottom:10px}
.ai-desc{font-size:13px;color:var(--text-muted);line-height:1.8}
.ai-tag{display:inline-block;margin-top:12px;font-size:11px;color:var(--gold);background:rgba(201,168,76,0.1);padding:3px 10px;border-radius:10px}

/* ============================================
   统计数字
   ============================================ */
.stats-strip{background:linear-gradient(135deg,var(--dark2),var(--dark3));border-top:1px solid var(--card-border);border-bottom:1px solid var(--card-border);padding:48px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{text-align:center;padding:24px}
.stat-num{font-size:clamp(28px,4vw,44px);font-weight:900;color:var(--gold);font-family:var(--font-main)}
.stat-unit{font-size:16px;color:var(--gold-dark)}
.stat-label{font-size:13px;color:var(--text-muted);margin-top:4px}

/* ============================================
   分页
   ============================================ */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.page-btn{width:38px;height:38px;border-radius:var(--radius-sm);background:var(--card-bg);border:1px solid var(--card-border);color:var(--text-muted);font-size:14px;display:flex;align-items:center;justify-content:center;transition:all var(--transition);cursor:pointer}
.page-btn:hover,.page-btn.active{background:var(--gold);border-color:var(--gold);color:var(--black);font-weight:700}

/* ============================================
   标签云
   ============================================ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tag-item{padding:6px 16px;border-radius:20px;background:var(--card-bg);border:1px solid var(--card-border);font-size:13px;color:var(--text-muted);cursor:pointer;transition:all var(--transition)}
.tag-item:hover{border-color:var(--gold);color:var(--gold);background:rgba(201,168,76,0.06)}

/* ============================================
   分享栏
   ============================================ */
.kwdsr8{background:var(--dark2);border-top:1px solid rgba(201,168,76,0.1);padding:16px 0}
.26fjbl{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.l4srm3ic{font-size:13px;color:var(--text-muted);font-weight:600}
.vd1914{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;transition:all var(--transition);border:1px solid}
.eahj9et5{color:#07C160;border-color:rgba(7,193,96,0.3);background:rgba(7,193,96,0.06)}
.eahj9et5:hover{background:rgba(7,193,96,0.15)}
.jmeb4z{color:#E6162D;border-color:rgba(230,22,45,0.3);background:rgba(230,22,45,0.06)}
.jmeb4z:hover{background:rgba(230,22,45,0.15)}
.jwgzo9{color:#FE2C55;border-color:rgba(254,44,85,0.3);background:rgba(254,44,85,0.06)}
.jwgzo9:hover{background:rgba(254,44,85,0.15)}
.pqvwyef{color:#00A1D6;border-color:rgba(0,161,214,0.3);background:rgba(0,161,214,0.06)}
.pqvwyef:hover{background:rgba(0,161,214,0.15)}

/* ============================================
   页脚
   ============================================ */
.site-footer{background:var(--dark1);border-top:1px solid rgba(201,168,76,0.15);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:13px;color:var(--text-muted);line-height:1.8;margin-top:12px}
.footer-brand .logo-area{margin-bottom:12px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--gold);margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid rgba(201,168,76,0.15)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13px;color:var(--text-muted);transition:color var(--transition)}
.footer-col ul li a:hover{color:var(--gold)}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{width:34px;height:34px;border-radius:50%;background:var(--dark3);border:1px solid var(--card-border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all var(--transition)}
.footer-social a:hover{background:rgba(201,168,76,0.1);border-color:var(--gold);color:var(--gold)}
.footer-qr{display:flex;gap:24px;justify-content:center;padding:32px 0;border-top:1px solid rgba(255,255,255,0.05);border-bottom:1px solid rgba(255,255,255,0.05)}
.footer-qr-item{text-align:center}
.footer-qr-item img{width:110px;height:110px;border-radius:var(--radius-sm);border:2px solid var(--card-border);background:white;padding:6px}
.footer-qr-item p{font-size:12px;color:var(--text-muted);margin-top:6px}
.footer-qr-item strong{font-size:11px;color:var(--gold)}
.footer-bottom{padding:20px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--text-dim)}
.footer-bottom a{color:var(--text-dim);transition:color var(--transition)}
.footer-bottom a:hover{color:var(--gold)}
.footer-eeat{max-width:380px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-md);padding:20px;margin:0 auto 32px}
.footer-eeat h5{font-size:13px;font-weight:700;color:var(--gold);margin-bottom:10px}
.footer-eeat ul li{font-size:12px;color:var(--text-muted);padding:4px 0;display:flex;align-items:center;gap:8px}
.footer-eeat ul li::before{content:'✓';color:var(--gold);font-weight:700}

/* ============================================
   回顶部
   ============================================ */
.cx7en6g{position:fixed;bottom:28px;right:28px;width:44px;height:44px;border-radius:50%;background:var(--gold);color:var(--black);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all var(--transition);z-index:500;box-shadow:0 4px 16px rgba(201,168,76,0.4)}
.back-top.show{opacity:1;visibility:visible}
.cx7en6g:hover{background:var(--gold-light);transform:translateY(-3px)}
.cx7en6g svg{width:18px;height:18px;fill:currentColor}

/* ============================================
   视频弹窗
   ============================================ */
.7ycj48{position:fixed;inset:0;z-index:2000;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.88);opacity:0;visibility:hidden;transition:all var(--transition)}
.video-modal.open{opacity:1;visibility:visible}
.jtacs{background:var(--dark2);border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:24px;max-width:760px;width:90%;position:relative}
.2wyem{position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all var(--transition)}
.2wyem:hover{background:rgba(255,255,255,0.15);color:var(--text-light)}
.pxrh6eo{font-size:15px;font-weight:700;color:var(--text-light);margin-bottom:16px;padding-right:40px}
.1rpt97v{aspect-ratio:16/9;background:var(--black);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:14px}

/* ============================================
   Toast 提示
   ============================================ */
.xj1lm90{position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--dark3);border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:10px 20px;font-size:13px;color:var(--text-light);opacity:0;visibility:hidden;transition:all var(--transition);z-index:3000;white-space:nowrap}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ============================================
   内页 Hero
   ============================================ */
.inner-hero{background:linear-gradient(135deg,var(--dark1),var(--dark2));padding:60px 0;border-bottom:1px solid var(--card-border)}
.inner-hero h1{font-size:clamp(24px,4vw,40px);font-weight:900;color:var(--text-light);font-family:var(--font-main);margin-bottom:10px}
.inner-hero h1 .brand{color:var(--gold)}
.inner-hero p{font-size:15px;color:var(--text-muted);max-width:600px;line-height:1.8}

/* ============================================
   配件卡片
   ============================================ */
.parts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.part-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-md);overflow:hidden;transition:all var(--transition)}
.part-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-gold);border-color:rgba(201,168,76,0.4)}
.part-img{aspect-ratio:4/3;overflow:hidden;background:var(--dark3)}
.part-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.part-card:hover .part-img img{transform:scale(1.05)}
.part-info{padding:16px}
.part-name{font-size:15px;font-weight:700;color:var(--text-light);margin-bottom:6px}
.part-price{font-size:18px;font-weight:900;color:var(--gold);font-family:var(--font-main)}
.part-price-unit{font-size:12px;color:var(--text-muted)}
.part-desc{font-size:12px;color:var(--text-muted);line-height:1.6;margin:8px 0}

/* ============================================
   Tab 切换
   ============================================ */
.tab-nav{display:flex;gap:4px;background:var(--dark2);border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:4px;width:fit-content;flex-wrap:wrap}
.tab-btn{padding:8px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;color:var(--text-muted);transition:all var(--transition);cursor:pointer}
.tab-btn.active{background:var(--gold);color:var(--black)}
.tab-btn:hover:not(.active){color:var(--gold);background:rgba(201,168,76,0.08)}
.tab-content{display:none}
.tab-content.active{display:block}

/* ============================================
   响应式
   ============================================ */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .main-nav,.nav-right .btn{display:none}
  .aa92ymp5{display:flex}
  .hero-banner{min-height:480px}
  .hero-stats{gap:20px}
  .video-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .expert-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-qr{gap:16px}
  .section-pad{padding:48px 0}
  .26fjbl{justify-content:center}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .feature-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .channel-grid{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
}