/* ========================================
   丝瓜视频传媒 - 原创样式表
   配色：樱花粉 #F8B4C8 / 深红 #B22234 / 暖白 #FFF8F0 / 深灰 #2D2D2D
   ======================================== */
*{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","WenQuanYi Micro Hei",sans-serif;color:#2D2D2D;background:#FFF8F0;line-height:1.7}
a{color:#B22234;text-decoration:none;transition:color .3s}
a:hover{color:#E84057}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 头部导航 */
.site-header{background:linear-gradient(135deg,#B22234 0%,#8B1A2B 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(178,34,52,.3)}
.s166guq{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.brand-logo{display:flex;align-items:center;gap:10px}
.brand-logo img{height:48px;width:auto}
.brand-logo span{color:#fff;font-size:1.5rem;font-weight:700;letter-spacing:2px}
.nav-main{display:flex;gap:6px}
.nav-main a{color:rgba(255,255,255,.9);padding:8px 14px;border-radius:6px;font-size:.95rem;transition:all .3s}
.nav-main a:hover,.nav-main a.cur{background:rgba(255,255,255,.18);color:#fff}
.hc11tim{display:none;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer}

/* 搜索栏 */
.rpthla0{background:linear-gradient(180deg,#8B1A2B,#6B1420);padding:14px 0}
.ay1ipl1g{max-width:600px;margin:0 auto;display:flex;gap:0;border-radius:30px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.15)}
.ay1ipl1g input{flex:1;padding:12px 24px;border:none;font-size:1rem;outline:none;background:#fff}
.ay1ipl1g button{padding:12px 28px;background:#F8B4C8;color:#B22234;border:none;font-weight:700;font-size:1rem;cursor:pointer;transition:background .3s}
.ay1ipl1g button:hover{background:#f9c5d5}

/* Hero区域 */
.w7on1i5b{position:relative;overflow:hidden;min-height:420px;display:flex;align-items:center;background:linear-gradient(135deg,#FFF0F3 0%,#FFE4EC 50%,#FFF8F0 100%)}
.w7on1i5b .qe9c1{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.18}
.fm6c5we{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:60px 20px;text-align:center}
.fm6c5we h1{font-size:2.6rem;color:#B22234;margin-bottom:16px;text-shadow:0 2px 8px rgba(178,34,52,.1)}
.fm6c5we h2{font-size:1.3rem;color:#666;font-weight:400;margin-bottom:24px}
.mxrn9e{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:28px}
.mxrn9e span{background:rgba(178,34,52,.08);color:#B22234;padding:6px 16px;border-radius:20px;font-size:.88rem;border:1px solid rgba(178,34,52,.15)}
.ii2sk{display:inline-block;background:linear-gradient(135deg,#B22234,#E84057);color:#fff;padding:14px 40px;border-radius:30px;font-size:1.1rem;font-weight:600;box-shadow:0 4px 20px rgba(178,34,52,.3);transition:transform .3s,box-shadow .3s}
.ii2sk:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(178,34,52,.4);color:#fff}

/* 面包屑 */
.crumbs{padding:12px 0;font-size:.85rem;color:#999}
.crumbs a{color:#B22234}
.crumbs span{margin:0 6px;color:#ccc}

/* 通用区块 */
.block{padding:60px 0}
.block:nth-child(even){background:#fff}
.txfsgc{text-align:center;margin-bottom:40px}
.txfsgc h2{font-size:1.8rem;color:#B22234;margin-bottom:10px;position:relative;display:inline-block}
.txfsgc h2::after{content:"";position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:50px;height:3px;background:linear-gradient(90deg,#F8B4C8,#B22234);border-radius:2px}
.txfsgc p{color:#888;margin-top:16px;font-size:.95rem}

/* 视频卡片网格 */
.ayf6ucp{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.q3xlyg{border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s;cursor:pointer}
.q3xlyg:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(178,34,52,.12)}
.xmucga{position:relative;padding-top:133%;overflow:hidden}
.xmucga img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.q3xlyg:hover .xmucga img{transform:scale(1.06)}
.v4sq7{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.75);color:#fff;padding:3px 10px;border-radius:4px;font-size:.78rem}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(178,34,52,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s,transform .3s}
.play-btn::after{content:"";border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.q3xlyg:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1.1)}
.uo98w{padding:14px 16px}
.uo98w h3{font-size:1rem;color:#2D2D2D;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pf2vd{display:flex;gap:12px;color:#aaa;font-size:.8rem}
.qyi0a{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.qyi0a span{background:#FFF0F3;color:#B22234;padding:2px 10px;border-radius:12px;font-size:.75rem}

/* 特色模块 */
.usffuid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.qciq7{background:#fff;border-radius:12px;padding:30px 20px;text-align:center;box-shadow:0 2px 16px rgba(0,0,0,.04);transition:transform .3s;border:1px solid #f5e8ec}
.qciq7:hover{transform:translateY(-4px);border-color:#F8B4C8}
.v1zbbxod{width:56px;height:56px;margin:0 auto 16px;background:linear-gradient(135deg,#FFF0F3,#FFE4EC);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.qciq7 h3{font-size:1.05rem;color:#B22234;margin-bottom:8px}
.qciq7 p{font-size:.88rem;color:#888;line-height:1.6}

/* 社区模块 */
.comm-area{background:linear-gradient(135deg,#FFF0F3 0%,#FFE4EC 100%);padding:60px 0}
.jjhcf9em{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.c0c31pvz{background:#fff;border-radius:12px;padding:28px;text-align:center;box-shadow:0 2px 12px rgba(178,34,52,.06)}
.c0c31pvz h3{color:#B22234;margin-bottom:10px;font-size:1.05rem}
.c0c31pvz p{color:#888;font-size:.88rem}

/* 专家卡片 */
.o961v00{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.y9pf6p9{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 16px rgba(0,0,0,.05);text-align:center;transition:transform .3s}
.y9pf6p9:hover{transform:translateY(-4px)}
.mow6y{width:100px;height:100px;border-radius:50%;margin:24px auto 12px;object-fit:cover;border:3px solid #F8B4C8}
.y9pf6p9 h3{font-size:1rem;color:#2D2D2D;margin-bottom:4px}
.y9pf6p9 .role{color:#B22234;font-size:.85rem;margin-bottom:8px}
.y9pf6p9 p{font-size:.82rem;color:#888;padding:0 16px;margin-bottom:16px}
.zambox{display:flex;gap:8px;justify-content:center;padding-bottom:20px}
.zambox a{padding:6px 16px;border-radius:20px;font-size:.82rem}
.k2piu{background:#B22234;color:#fff}
.k2piu:hover{background:#E84057;color:#fff}
.adtel{background:#FFF0F3;color:#B22234;border:1px solid #F8B4C8}

/* 合作墙 */
.xd5azj{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.xd5azj .u832k{background:#fff;border-radius:10px;padding:16px 28px;box-shadow:0 2px 10px rgba(0,0,0,.04);font-size:1rem;color:#666;font-weight:600;border:1px solid #f0e0e5}

/* How-To步骤 */
.jcm2w{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.qo1sg7e{background:#fff;border-radius:12px;padding:28px 20px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.04);position:relative}
.hmdi7d4d{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#B22234,#E84057);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-weight:700;font-size:1.1rem}
.qo1sg7e h3{font-size:1rem;color:#B22234;margin-bottom:8px}
.qo1sg7e p{font-size:.85rem;color:#888}

/* FAQ */
.v4tph{max-width:800px;margin:0 auto}
.d86nfm9{border:1px solid #f0e0e5;border-radius:10px;margin-bottom:12px;overflow:hidden}
.jczzgtig{padding:16px 20px;background:#fff;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#2D2D2D;transition:background .3s}
.jczzgtig:hover{background:#FFF8F0}
.jczzgtig::after{content:"+";font-size:1.4rem;color:#B22234;transition:transform .3s}
.d86nfm9.open .jczzgtig::after{transform:rotate(45deg)}
.hjvqcdf{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s;color:#666;font-size:.92rem;line-height:1.8}
.d86nfm9.open .hjvqcdf{max-height:300px;padding:0 20px 16px}

/* 评论 */
.ztlvprgy{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.vxafco{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.04);border:1px solid #f5e8ec}
.nss7ime5{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.eq0wy{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#F8B4C8,#B22234);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.r1ytc{font-weight:600;color:#2D2D2D;font-size:.95rem}
.v1739s9{color:#bbb;font-size:.8rem}
.gw5hz3f{color:#F8B4C8;font-size:.9rem;letter-spacing:2px}
.bubxnxh{color:#666;font-size:.9rem;line-height:1.7}

/* 联系我们 */
.raf5w{display:grid;grid-template-columns:2fr 1fr;gap:30px}
.ju03yyen{list-style:none}
.ju03yyen li{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid #f5e8ec}
.ju03yyen .c-icon{width:36px;height:36px;background:#FFF0F3;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#B22234;font-size:1.1rem;flex-shrink:0}
.mcn69{display:flex;gap:16px;flex-wrap:wrap}
.yta5rb{text-align:center}
.yta5rb img{width:140px;height:140px;border-radius:10px;border:2px solid #f0e0e5}
.yta5rb p{margin-top:6px;font-size:.82rem;color:#888}

/* 社交分享 */
.dr7mq6q{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.qut354g1{padding:10px 20px;border-radius:8px;color:#fff;font-size:.9rem;transition:opacity .3s}
.qut354g1:hover{opacity:.85;color:#fff}
.lh8ntn{background:#07C160}
.l3c86{background:#E6162D}
.c9yhm{background:#000}
.pavyh{background:#00A1D6}

/* 页脚 */
.site-footer{background:linear-gradient(135deg,#2D2D2D,#1a1a1a);color:rgba(255,255,255,.7);padding:50px 0 0}
.yvjxtw{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px}
.j0ffey{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.j0ffey img{height:40px}
.j0ffey span{color:#fff;font-size:1.3rem;font-weight:700}
.nan4d h4{color:#F8B4C8;margin-bottom:14px;font-size:1rem}
.nan4d a{display:block;color:rgba(255,255,255,.6);padding:4px 0;font-size:.88rem;transition:color .3s}
.nan4d a:hover{color:#F8B4C8}
.yjw7kf{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;text-align:center;font-size:.82rem;color:rgba(255,255,255,.4)}

/* 视频播放器模态 */
.paou21x4{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:9999;display:none;align-items:center;justify-content:center}
.paou21x4.show{display:flex}
.tnjesm{width:90%;max-width:800px;background:#000;border-radius:12px;overflow:hidden;position:relative}
.dhwh1{width:100%;aspect-ratio:16/9;object-fit:cover}
.z7h3bfl{padding:16px 20px;background:#1a1a1a}
.z7h3bfl h3{color:#fff;font-size:1.1rem;margin-bottom:6px}
.z7h3bfl p{color:#aaa;font-size:.85rem}
.uo54eyh{position:absolute;top:12px;right:16px;color:#fff;font-size:1.8rem;cursor:pointer;background:rgba(0,0,0,.5);width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:none}
.l4khzu{height:4px;background:#333;margin:0 20px 12px;border-radius:2px;overflow:hidden}
.u8gwte{height:100%;width:35%;background:linear-gradient(90deg,#F8B4C8,#B22234);border-radius:2px}
.yvbcm{display:flex;align-items:center;gap:16px;padding:0 20px 16px;color:#aaa;font-size:.82rem}
.h987jw8a{background:none;border:none;color:#fff;font-size:1.2rem;cursor:pointer}

/* 内页通用 */
.qqksb5qa{background:linear-gradient(135deg,#B22234,#8B1A2B);padding:50px 0;text-align:center;color:#fff}
.qqksb5qa h1{font-size:2rem;margin-bottom:8px}
.qqksb5qa p{opacity:.8;font-size:1rem}
.wtvpsd9p{padding:40px 0}

/* 响应式 */
@media(max-width:1024px){
  .ayf6ucp{grid-template-columns:repeat(2,1fr)}
  .usffuid,.o961v00,.jcm2w{grid-template-columns:repeat(2,1fr)}
  .yvjxtw{grid-template-columns:1fr 1fr}
  .raf5w{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nav-main{display:none;position:absolute;top:100%;left:0;right:0;background:#8B1A2B;flex-direction:column;padding:10px}
  .nav-main.open{display:flex}
  .hc11tim{display:block}
  .s166guq{flex-wrap:wrap}
  .fm6c5we h1{font-size:1.8rem}
  .fm6c5we h2{font-size:1rem}
  .ayf6ucp{grid-template-columns:1fr 1fr}
  .usffuid,.jjhcf9em,.o961v00,.jcm2w{grid-template-columns:1fr}
  .ztlvprgy{grid-template-columns:1fr}
  .yvjxtw{grid-template-columns:1fr}
  .block{padding:40px 0}
  .txfsgc h2{font-size:1.4rem}
}
@media(max-width:480px){
  .ayf6ucp{grid-template-columns:1fr}
  .ay1ipl1g{border-radius:10px}
  .fm6c5we{padding:40px 16px}
}