/* ===== 西藏康泰旅行社 — 完全复刻 tibetcn.com ===== */
:root{--red:#C41E3A;--gold:#D4A017;--dark:#222;--text:#333;--light:#f8f5f0;--border:#eee9e5;--orange:#f98516}
*{margin:0;padding:0;box-sizing:border-box}
body{font:14px/1.6 "Microsoft YaHei","PingFang SC",sans-serif;color:var(--text);background:#fff}
a{color:var(--text);text-decoration:none}
a:hover{color:var(--orange)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.clearfix::after{content:'';display:table;clear:both}
.container{width:1200px;margin:0 auto;padding:0 15px}
.fl{float:left}
.fr{float:right}
.h20{height:20px}
.font-color{color:var(--orange)}
.hui{color:#999}
.f12{font-size:12px}
.f14{font-size:14px}

/* ===== TOP BAR ===== */
.header .top{height:38px;line-height:38px;background:var(--dark);color:rgba(255,255,255,0.8);font-size:12px}
.header .top .container{display:flex;justify-content:space-between}
.header .top .fr a{color:rgba(255,255,255,0.7);padding:0 12px;display:inline-block}
.header .top .fr a:hover{color:var(--gold)}

/* ===== HEADER ===== */
.header-a{background:#fff}
.header-b{padding:18px 0;display:flex;align-items:center}
.header-c{width:220px;margin-right:15px}
.header-c .logo{font-size:28px;font-weight:700;color:var(--red);white-space:nowrap}
.header-c .logo-sub{font-size:11px;color:#999;letter-spacing:1px}
.search{flex:1;max-width:420px;margin-right:15px}
.search .inp_srh{width:320px;height:40px;border:2px solid var(--red);border-right:none;border-radius:4px 0 0 4px;padding:0 12px;font-size:14px;outline:none;float:left}
.search .btn_srh{width:80px;height:40px;background:var(--red);color:#fff;border:none;border-radius:0 4px 4px 0;font-size:14px;cursor:pointer;float:left}
.search-mdd{margin-top:6px;font-size:12px;color:#999;overflow:hidden;white-space:nowrap}
.search-mdd a{color:#999;margin-right:8px}
.search-mdd a:hover{color:var(--red)}
.header-center-contact{display:flex;align-items:center;margin-left:auto;gap:8px}
.contact-img-box{position:relative;cursor:pointer;text-align:center;padding:0 6px}
.contact-img-box img.icon{width:24px;height:24px;margin:0 auto}
.contact-img-box span{font-size:11px;color:#999;display:block}
.top_eweima{display:none;position:absolute;top:45px;left:50%;transform:translateX(-50%);z-index:999}
.top_eweima_con{background:#fff;border:1px solid #ddd;padding:10px;border-radius:6px;position:relative}
.top_eweima_con s{position:absolute;top:-8px;left:50%;margin-left:-8px;border-left:8px solid transparent;border-right:8px solid transparent;border-bottom:8px solid #fff}
.top_eweima_con img{width:106px;height:106px}
.contact-img-box:hover .top_eweima{display:block}
.phone{text-align:center;padding:0 12px;border-left:1px solid #eee}
.phone .tel{font-size:20px;font-weight:700;color:var(--red)}
.phone .time{font-size:11px;color:#999}
.header-btn{display:inline-block;background:var(--orange);color:#fff;padding:8px 20px;border-radius:6px;font-size:14px}
.header-btn:hover{background:#fb9d42;color:#fff}

/* ===== NAV ===== */
.header-buttom{background:var(--red)}
.header-buttom .container{height:44px}
.header-ul{display:flex;height:44px}
.header-ul>li{position:relative}
.header-ul>li>a{display:block;padding:0 18px;height:44px;line-height:44px;color:#fff;font-size:14px}
.header-ul>li>a:hover{background:rgba(255,255,255,0.15)}
.pull-down{display:none;position:absolute;top:44px;left:0;z-index:999;background:#fff;border:1px solid #eee;border-radius:0 0 6px 6px;box-shadow:0 4px 20px rgba(0,0,0,0.1);padding:15px}
.pull-down>s{position:absolute;top:-8px;left:30px;border-left:8px solid transparent;border-right:8px solid transparent;border-bottom:8px solid #fff}
.pull-down2{right:0;left:auto}
.pull-down2>s{left:30px}
.header-ul>li:hover .pull-down{display:block}
.boxcar{display:flex;gap:20px}
.boxcar ul{min-width:140px}
.boxcar li{line-height:32px}
.boxcar li b{font-size:13px;color:var(--red)}
.boxcar li a{font-size:13px;color:var(--text);display:block}
.boxcar li a:hover{color:var(--orange)}
.header-hide1{display:none}

/* ===== SWIPER HERO ===== */
.swiper{width:100%;height:460px;overflow:hidden;position:relative}
.swiper-wrapper{display:flex;height:100%}
.swiper-slide{flex-shrink:0;width:100%;height:100%}
.swiper-slide a,.swiper-slide img{display:block;width:100%;height:100%;object-fit:cover}
.swiper-button-next,.swiper-button-prev{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;background:rgba(255,255,255,0.3);border-radius:50%;color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10}
.swiper-button-next{right:20px}
.swiper-button-prev{left:20px}
.swiper-button-next:hover,.swiper-button-prev:hover{background:rgba(255,255,255,0.6);color:#333}
.swiper-pagination{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:6px;z-index:10}
.swiper-pagination-bullet{width:22px;height:6px;border-radius:3px;background:rgba(255,255,255,0.5);cursor:pointer}
.swiper-pagination-bullet-active{width:32px;background:var(--gold)}

/* ===== MERIT ===== */
.merit{padding:30px 0 20px;background:#ffeed763;display:flex;justify-content:center}
.merit .container{display:flex;gap:1%}
.meritlist{flex:1;display:flex;align-items:center}
.merit-img{flex-shrink:0;width:60px;height:60px;background:var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;color:#fff;margin-right:12px}
.merit-cont{padding-left:4px}
.merit-title{font-size:18px;font-weight:600;margin-bottom:4px;color:var(--dark)}
.merit-desc{font-size:13px;color:#888;line-height:1.5}

/* ===== H1 INTRO ===== */
h1{margin:40px 0;text-align:center;font-size:28px;color:var(--dark)}
.h1box{display:flex;gap:30px;margin-bottom:40px}
.h1des{flex:1}
.h1des p{margin-bottom:14px;font-size:15px;line-height:1.8;color:#555}
.h1video{width:48%;flex-shrink:0}
.h1video iframe{width:100%;height:361px;border-radius:10px;border:none}

/* ===== SECTION HEADERS ===== */
.bgf5{background:#f5f5f5;padding:1px 0}
.bgf5:nth-child(odd){background:#fff}
.h2box{padding:30px 0 10px;text-align:center}
.h2box h2{font-size:26px;font-weight:700;margin-bottom:8px;color:var(--dark)}
.h2box p{font-size:14px;color:#888;margin-bottom:20px}

/* ===== PRODUCT CARDS ===== */
.product-box{padding-bottom:20px;display:flex;flex-wrap:wrap;margin:0 -10px}
.col-lg-4{width:33.333%;padding:0 10px;float:left}
.col-lg-3{width:25%;padding:0 10px;float:left}
.product-card{position:relative;border-radius:9px;border:1px solid var(--border);margin-bottom:24px;background:#fff;overflow:hidden;transition:box-shadow 0.3s}
.product-card:hover{box-shadow:0 2px 15px rgba(0,0,0,0.12)}
.product-card img{width:100%;height:200px;object-fit:cover}
.product-rank{position:absolute;top:0;left:0;background:linear-gradient(45deg,#f98516,#f9aa5e);color:#fff;padding:5px 12px;font-size:13px;font-weight:700;border-radius:0 0 6px 0;z-index:2}
.product-cont{padding:14px 14px 12px}
.product-title{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:10px;color:var(--dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.product-title:hover{color:var(--orange)}
.product-jingdian{margin-bottom:8px;display:flex;flex-wrap:wrap;gap:4px}
.product-jingdian span{display:inline-block;border:1px dashed #ffca97;color:var(--orange);padding:1px 8px;border-radius:4px;font-size:12px;line-height:20px}
.product-point{font-size:13px;color:#888;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:38px;margin-bottom:8px}
.product-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:10px;padding-top:10px;border-top:1px solid #f0f0f0}
.product-left{font-size:13px;color:#888}
.date{position:relative;cursor:pointer;color:#555;font-size:13px}
.date img{width:12px;height:13px;display:inline;margin-left:4px;vertical-align:middle}
.date-list{display:none;position:absolute;top:24px;left:0;width:270px;max-height:200px;overflow-y:auto;background:#fff;border:1px solid #ddd;border-radius:6px;padding:8px;z-index:99;box-shadow:0 4px 15px rgba(0,0,0,0.1)}
.date-list li{display:flex;justify-content:space-between;padding:4px 6px;font-size:13px}
.date-list li:hover{background:#fff5ee}
.date:hover .date-list{display:block}
.price{color:var(--orange);font-size:14px}
.price span{font-size:20px;font-weight:700}
.seemore{text-align:center;margin:10px 0 40px}
.seemore a{display:inline-block;padding:10px 30px;color:var(--orange);font-size:15px;font-weight:700;border-radius:20px;border:1px solid var(--orange);transition:all 0.3s}
.seemore a:hover{background:var(--orange);color:#fff}

/* ===== TAB NAV ===== */
.tab-nav{display:flex;justify-content:center;font-size:18px;margin-bottom:24px;cursor:pointer}
.tab-nav-list{text-align:center;padding:0 10px;position:relative;color:#666}
.tab-nav-list span{font-size:16px;font-weight:600;padding-bottom:8px;display:block}
.borderline{width:1px;height:20px;background:#ddd;margin:4px 12px 0}
.tab-nav .active span{color:var(--orange)}
.selected-border{display:none;height:3px;background:var(--orange);border-radius:4px;margin-top:4px;position:relative}
.triangle{display:none;position:absolute;top:-8px;left:50%;transform:translateX(-50%);border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:8px solid var(--orange)}
.tab-nav .active .selected-border,.tab-nav .active .triangle{display:block}
.tab-nav-content{display:none}
#tab-nav1{display:block}

/* ===== DESTINATION CARDS ===== */
.cardall,.cardall2{display:flex;flex-wrap:wrap;justify-content:space-between;margin-bottom:20px}
.card{width:19%;margin-bottom:20px;position:relative;border-radius:10px;overflow:hidden;transition:transform 0.3s}
.card:hover{transform:translateY(-6px)}
.card img{width:100%;height:200px;object-fit:cover}
.vague{position:absolute;bottom:0;left:0;right:0;padding:30px 10px 12px;background:linear-gradient(transparent,rgba(0,0,0,0.6));text-align:center}
.vague .show{color:#fff}
.vg1{font-size:20px;font-weight:700}
.va2{font-size:12px;margin-top:4px;opacity:0.9}

/* ===== TRAVEL GUIDES ===== */
.pc-news{padding-bottom:30px}
.pc-news .cont{position:relative}
.pc-news .row{overflow:hidden;margin:0 -10px}
.pc-news .dis{float:left;width:25%;padding:0 10px}
.pc-news .line .deg{border:1px solid var(--border);border-radius:10px;padding:20px;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,0.05);margin-bottom:20px;min-height:160px}
.pc-news .line .deg .desp{font-size:16px;font-weight:600;color:var(--dark);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:8px}
.pc-news .line .deg .desp:hover{color:var(--orange)}
.pc-news .line .deg .dest{font-size:12px;color:#999;font-style:italic;margin-bottom:8px;display:block}
.pc-news .line .deg .desg{font-size:13px;color:#888;line-height:1.6;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}

.travel-guide-list{padding:0 6px}
.travel-guide-list h3{font-size:18px;font-weight:700;margin-bottom:16px;color:var(--dark)}
.travel-guide-list li{font-size:14px;line-height:28px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.travel-guide-list li a:hover{color:var(--orange)}
.travel-guide-list li i{padding-right:4px;color:#999}
.more-guide{margin-bottom:30px}
.more-guide h3{font-size:18px;font-weight:700;margin:20px 0;color:var(--dark)}
.more-guide-list{border:1px solid var(--border);border-radius:6px;margin-bottom:20px;background:#fff;overflow:hidden;transition:box-shadow 0.3s}
.more-guide-list:hover{box-shadow:0 2px 10px rgba(0,0,0,0.08)}
.more-guide-img{width:40%;height:126px;object-fit:cover;float:left}
.more-guide-box{float:left;width:60%;padding:0 12px;height:126px;display:flex;flex-direction:column;justify-content:center}
.more-guide-title{font-size:15px;font-weight:400;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px;color:var(--text)}
.more-guide-list a:hover .more-guide-title{color:var(--orange)}
.more-guide-unit{font-size:12px;color:#999}
.more-guide-unit span{float:right}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-bottom:30px}
.grid-list:first-child{grid-column:1/3}
.grid-list:nth-child(6){grid-column:3/5}
.grid-list:nth-child(7){grid-column:1/3}
.grid-list a{display:block;position:relative;border-radius:10px;overflow:hidden}
.grid-list img{width:100%;height:240px;object-fit:cover}
.grid-list-title{position:absolute;bottom:0;left:0;right:0;padding:40px 16px 14px;background:linear-gradient(transparent,rgba(0,0,0,0.7));color:#fff;font-size:17px;font-weight:700;text-align:center}
.grid-list a:hover .grid-list-title{padding-bottom:18px}
.col-lg-0{width:12.5%;float:left;text-align:center;padding:0 8px;margin-bottom:20px}
.teamimg img{width:100px;height:100px;border-radius:50%;border:2px solid #ddd;padding:2px;object-fit:cover;margin:0 auto}
.imgname{font-size:14px;margin-top:6px;color:var(--text)}
.pc-cap{padding-bottom:30px;overflow:hidden}

/* ===== FOOTER ===== */
.pc-foot p{text-align:center;padding:20px 0;color:#999;font-size:13px}
.pc-foot-p{border-bottom:1px solid #595f61;padding:20px 0;margin-bottom:20px;display:flex;justify-content:center;flex-wrap:wrap;gap:10px}
.pc-foot-p .wt{color:rgba(255,255,255,0.7);font-size:13px}
.pc-foot-p .u .list{padding-right:12px;border-right:1px solid #595f61;margin-right:8px;color:rgba(255,255,255,0.6);font-size:13px}
.pc-foot-p .u .list:last-child{border-right:none}
.pc-foot-p .u .list a{color:rgba(255,255,255,0.6)}
.pc-foot-p .u .list a:hover{color:var(--gold)}

.footer{background:var(--dark);color:rgba(255,255,255,0.7);padding:30px 0 0}
.footer .container{display:flex;flex-wrap:wrap;gap:30px}
.footer .container>div{flex:1;min-width:200px}
.footer h3{color:#fff;font-size:16px;margin-bottom:12px;position:relative;padding-bottom:8px}
.footer h3::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:var(--gold)}
.footer li{line-height:30px}
.footer li a{color:rgba(255,255,255,0.6);font-size:13px}
.footer li a:hover{color:var(--gold)}
.footer p{font-size:13px;line-height:24px;color:rgba(255,255,255,0.5)}
.footer .brand{font-size:22px;font-weight:700;color:var(--gold);margin-bottom:8px}
.footer .brand-sub{font-size:12px;color:rgba(255,255,255,0.4);margin-bottom:12px}

/* ===== BACK TO TOP ===== */
#back-top{position:fixed;bottom:80px;right:30px;width:44px;height:44px;background:var(--red);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;z-index:999;box-shadow:0 2px 10px rgba(0,0,0,0.2);display:none}
#back-top:hover{background:var(--orange)}

/* ===== RESPONSIVE ===== */
@media(max-width:1199px){
  .container{width:100%}
  .col-lg-4{width:50%}
  .col-lg-3{width:50%}
  .card{width:32%}
  .pc-news .dis{width:50%}
  .col-lg-0{width:25%}
  .h1video{width:100%;margin-top:20px}
  .h1box{flex-direction:column}
}
@media(max-width:767px){
  .col-lg-4,.col-lg-3{width:100%}
  .card{width:48%}
  .pc-news .dis{width:100%}
  .merit .container{flex-direction:column;gap:15px}
  .grid{grid-template-columns:repeat(2,1fr)}
  .grid-list:first-child,.grid-list:nth-child(6),.grid-list:nth-child(7){grid-column:auto}
  .header-b{flex-wrap:wrap}
  .header-c{width:100%;text-align:center}
  .search{max-width:100%;margin-top:10px}
  .header-ul{flex-wrap:wrap;height:auto}
  .header-ul>li>a{padding:0 10px;font-size:13px}
}