:root{
  --teal:#0e7490; --teal-d:#0b5568; --teal-l:#e6f4f8; --gold:#d97706; --gold-l:#fdf3e3; --coral:#ea580c;
  --cream:#fffaf3; --ink:#16232d; --ink2:#4d6373; --line:#e5edf1; --white:#fff;
  --sans:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(1240px,92vw);margin:0 auto}
h1,h2,h3,h4{margin:0;line-height:1.16;letter-spacing:-.01em}
h2{font-size:clamp(26px,3.2vw,40px);font-weight:700}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--teal)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:15px 28px;border-radius:999px;font-weight:600;font-size:14.5px;border:1px solid transparent;transition:.22s;cursor:pointer;font-family:var(--sans);line-height:1}
.btn-gold{background:var(--gold);color:#fff;box-shadow:0 12px 26px -14px rgba(217,119,6,.9)}.btn-gold:hover{background:#c06705;transform:translateY(-2px)}
.btn-teal{background:var(--teal);color:#fff}.btn-teal:hover{background:var(--teal-d);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.75);color:#fff;background:rgba(255,255,255,.07);backdrop-filter:blur(4px)}.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-line{border-color:var(--line);color:var(--ink);background:#fff}.btn-line:hover{border-color:var(--teal);color:var(--teal)}

.topbar{background:var(--ink);color:#c9d9e2;font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:14px;flex-wrap:wrap;padding:6px 0}
.topbar b{color:#ffd79a;font-weight:600}
.topbar a{color:#ffd79a}

.site-head{background:var(--cream);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:80}
.brand{display:flex;align-items:center;justify-content:center;gap:18px;padding:24px 0 16px;text-align:center;position:relative}
.brand .mark{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--teal),#17a2b8 55%,var(--gold));display:grid;place-items:center;color:#fff;font-weight:800;font-size:19px;box-shadow:0 10px 24px -14px rgba(14,116,144,.9);flex:none}
.brand .name{font-size:clamp(19px,2.4vw,27px);font-weight:800;letter-spacing:.12em}
.brand .name small{display:block;font-size:10px;font-weight:500;letter-spacing:.26em;color:var(--ink2);margin-top:5px}
.brand .name .cn{display:block;font-size:15px;font-weight:500;letter-spacing:.08em;color:var(--teal);margin-top:5px}
.main-nav{display:flex;justify-content:center;gap:4px;flex-wrap:wrap;padding:0 0 14px}
.main-nav a{font-size:13.5px;font-weight:500;color:#33475a;padding:9px 14px;border-radius:999px;transition:.2s;white-space:nowrap}
.main-nav a:hover{background:var(--teal-l);color:var(--teal-d)}
.main-nav a.active{background:var(--teal);color:#fff}
.main-nav a.hot{color:var(--coral);font-weight:600}
.main-nav a.hot:hover{background:var(--gold-l)}
.nav-lang{position:absolute;right:0;top:26px;font-size:12.5px;font-weight:600;display:flex;gap:2px}
.nav-lang a{color:var(--ink2);padding:6px 9px;border-radius:7px}
.nav-lang a.on{background:var(--teal-l);color:var(--teal-d)}
.burger{display:none}

/* hero carousel */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;color:#fff;overflow:hidden;background:#0b3a4a}
.slides{position:absolute;inset:0;z-index:0}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.07);transition:opacity 1.1s ease,transform 7.5s linear}
.slide.on{opacity:1;transform:scale(1)}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,32,45,.62) 0%,rgba(9,32,45,.28) 45%,rgba(9,32,45,.86) 100%)}
.hero .wrap{position:relative;z-index:2;padding:96px 0 108px}
.hero .pill{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(6px);padding:8px 16px;border-radius:999px;font-size:12.5px;font-weight:500}
.hero h1{font-size:clamp(33px,5.2vw,66px);font-weight:800;margin-top:22px;max-width:19ch;text-shadow:0 4px 34px rgba(0,0,0,.45);transition:opacity .4s}
.hero h1 em{font-style:normal;color:#ffd79a}
.hero .sub{margin-top:20px;font-size:16.5px;font-weight:300;max-width:60ch;color:#e6f2f7;transition:opacity .4s}
.hero .kws{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap}
.hero .kws em{font-style:normal;font-size:11.5px;font-weight:500;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);padding:6px 12px;border-radius:999px;color:#e8f4f9}
.hero .cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero .meta{display:flex;gap:36px;margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.22);flex-wrap:wrap}
.hero .meta b{display:block;font-size:23px;font-weight:800}
.hero .meta span{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:#c2dbe6}
.hero-dots{display:flex;gap:9px;margin-top:26px}
.hero-dots button{width:34px;height:4px;border:0;border-radius:99px;background:rgba(255,255,255,.35);cursor:pointer;padding:0;transition:.3s}
.hero-dots button.on{background:#ffd79a;width:52px}
.weather-chip{position:absolute;right:4vw;bottom:34px;z-index:3;background:rgba(10,40,55,.78);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.22);border-radius:14px;padding:12px 18px;font-size:12.5px;line-height:1.55;min-width:240px}
.weather-chip b{font-size:17px;color:#ffd79a}
.weather-chip .lbl{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#9fc0ce;margin-bottom:6px}

.strip{background:var(--teal);color:#fff}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:26px 0}
.strip div{display:flex;gap:13px;align-items:center}
.strip i{font-style:normal;width:46px;height:42px;min-width:46px;border-radius:12px;background:rgba(255,255,255,.16);display:grid;place-items:center;font-size:10.5px;font-weight:800;letter-spacing:.04em}
.strip b{display:block;font-size:14px;font-weight:700}
.strip span{font-size:12px;opacity:.85}

section{padding:94px 0}
.cream{background:var(--cream)}
.teal-l{background:var(--teal-l)}
.sec-top{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;flex-wrap:wrap;margin-bottom:44px}
.sec-top p.lead{margin-top:14px;color:var(--ink2);font-size:16px;max-width:60ch}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.card:hover{box-shadow:0 30px 56px -32px rgba(16,35,45,.55);border-color:#cfe4ea}
.card .thumb{position:relative;height:210px;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.card:hover .thumb img{transform:scale(1.06)}
.badge{position:absolute;left:14px;top:14px;z-index:2;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:7px 12px;border-radius:999px;color:#fff;background:var(--gold)}
.badge.blue{background:var(--teal)}.badge.red{background:var(--coral)}
.dur{position:absolute;right:14px;bottom:14px;z-index:2;background:rgba(10,40,55,.82);color:#fff;font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px}
.card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:19px;font-weight:700}
.card .route{font-size:13px;color:var(--ink2)}
.card .hl{display:flex;gap:6px;flex-wrap:wrap}
.card .hl em{font-style:normal;font-size:11.5px;background:var(--teal-l);color:var(--teal-d);border-radius:6px;padding:4px 9px;font-weight:500}
.card .foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.price b{font-size:19px;font-weight:800;color:var(--ink)}
.price span{font-size:12px;color:var(--ink2);display:block}
.price .was{font-size:11px;color:#9aa9b4}
.toggle{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:var(--teal);background:var(--teal-l);border:0;border-radius:999px;padding:9px 15px;cursor:pointer;font-family:var(--sans);transition:.2s}
.toggle:hover{background:#d5ecf3}
.toggle .arw{transition:.3s;display:inline-block}
.card.open .toggle .arw{transform:rotate(180deg)}
.detail{max-height:0;overflow:hidden;transition:max-height .6s ease;background:#f8fcfd}
.card.open .detail{max-height:3600px;border-top:1px solid var(--line)}
.detail .inner{padding:20px 22px 24px;font-size:13.5px;color:#3b5261}
.detail h4{font-size:12.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);margin:0 0 10px}
.detail h4:not(:first-child){margin-top:20px}
.detail .days-list{list-style:none;margin:0;padding:0}
.detail .days-list li{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:9px 0;border-bottom:1px dashed #dbe8ee;line-height:1.5}
.detail .days-list li:last-child{border-bottom:0}
.detail .days-list b{color:var(--teal-d);font-size:11.5px;letter-spacing:.06em}
.inc{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px}
.inc span{position:relative;padding-left:18px;font-size:13px}
.inc span::before{content:"\2713";position:absolute;left:0;color:var(--teal);font-weight:800}
.inc span.no::before{content:"\2013";color:#b6c4cd}
.detail .note{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:12.5px;color:#5a7383;margin-top:16px}

.my{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.my h2 span{color:var(--gold)}
.my .lead{margin-top:16px;color:var(--ink2);font-size:16px}
.my p{margin:14px 0 0;color:#3b5261;font-size:14.5px}
.mylist{list-style:none;margin:26px 0 0;padding:0}
.mylist li{display:grid;grid-template-columns:52px 1fr;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}
.mylist li:last-child{border-bottom:none}
.mylist i{font-style:normal;width:52px;height:42px;border-radius:12px;background:var(--teal-l);color:var(--teal);display:grid;place-items:center;font-size:10.5px;font-weight:800;letter-spacing:.02em}
.mylist b{font-size:15.5px;font-weight:700}
.mylist p{margin:4px 0 0;font-size:14px;color:var(--ink2)}
.map-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 26px 50px -34px rgba(16,35,45,.6)}
.map-card .cap{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);margin-top:12px}
.map-card .cap b{color:var(--teal-d);font-size:12.5px;letter-spacing:.04em}

.loop{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start}
.loop-visual{position:relative;border-radius:20px;overflow:hidden;height:560px;background:#0b3a4a}
.loop-visual .lv{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .7s}
.loop-visual .lv.on{opacity:1}
.loop-visual .cap{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:24px;background:linear-gradient(transparent,rgba(8,30,42,.92));color:#fff}
.loop-visual .cap b{display:block;font-size:18px}
.loop-visual .cap span{font-size:13px;opacity:.88}
.loop-visual .tabs{position:absolute;top:16px;left:16px;right:16px;z-index:3;display:flex;gap:6px;flex-wrap:wrap}
.loop-visual .tabs button{border:1px solid rgba(255,255,255,.45);background:rgba(10,40,55,.5);color:#fff;font-size:11px;font-weight:600;padding:7px 11px;border-radius:999px;cursor:pointer;font-family:var(--sans);backdrop-filter:blur(4px)}
.loop-visual .tabs button.on{background:#ffd79a;color:#3d2205;border-color:#ffd79a}
.days{display:grid;gap:0}
.day{display:grid;grid-template-columns:58px 1fr auto;gap:14px;align-items:center;padding:12px 16px;border-radius:12px;transition:.2s;cursor:pointer;border:1px solid transparent;background:transparent}
.day:hover,.day.on{background:#fff;border-color:#d7e9ef;box-shadow:0 12px 26px -22px rgba(16,35,45,.6)}
.day .d{width:52px;text-align:center;background:var(--teal-l);color:var(--teal-d);font-size:11px;font-weight:800;letter-spacing:.06em;padding:8px 0;border-radius:9px}
.day h4{font-size:14.5px;font-weight:600}
.day .km{font-size:12.5px;color:var(--ink2)}

.dests{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dest{position:relative;border-radius:16px;overflow:hidden;height:210px;display:flex;align-items:flex-end;color:#fff;cursor:pointer;border:0;padding:0;font-family:var(--sans);text-align:left;background:#0b3a4a;transition:.3s}
.dest img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.5s}
.dest:hover img{transform:scale(1.07)}
.dest .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,30,42,0) 30%,rgba(8,30,42,.85))}
.dest .txt{position:relative;z-index:2;padding:16px;display:block}
.dest h4{font-size:16.5px;font-weight:700}
.dest em{font-style:normal;font-size:12px;opacity:.88;display:block}
.dest .plus{position:absolute;top:12px;right:12px;z-index:2;width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.45);display:grid;place-items:center;font-size:15px;font-weight:600}
.dest-card{display:none}
.dest-card.on{display:block;background:#fff;border:1px solid #cfe4ea;border-radius:16px;padding:26px;margin-top:18px;box-shadow:0 24px 46px -32px rgba(16,35,45,.6)}
.dest-card .dc-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:26px}
.dest-card h3{font-size:22px;font-weight:800;margin-bottom:2px}
.dest-card .sub{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:8px}
.dest-card .facts{display:grid;gap:0;margin-top:14px}
.dest-card .facts div{display:grid;grid-template-columns:112px 1fr;gap:10px;font-size:13.5px;padding:9px 0;border-bottom:1px dashed #dbe8ee}
.dest-card .facts b{color:var(--teal-d);font-weight:700}
.dest-card .close{margin-top:16px;background:none;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:12.5px;font-weight:600;color:var(--ink2);cursor:pointer;font-family:var(--sans)}
.dest-mini{display:grid;gap:6px;margin-top:12px}
.dest-mini span{font-size:13px;color:#4d6373;position:relative;padding-left:16px}
.dest-mini span::before{content:"\25B8";position:absolute;left:0;color:var(--teal)}

/* reviews expandable */
.revs{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.rev{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;transition:.22s}
.rev:hover{box-shadow:0 24px 44px -30px rgba(16,35,45,.5);border-color:#cfe4ea}
.stars{color:#f59e0b;letter-spacing:3px;font-size:16px;margin-bottom:12px}
.rev .quote{font-size:14.5px;color:#33475a}
.rev .more{max-height:0;overflow:hidden;transition:max-height .5s ease;color:#3b5261;font-size:14px}
.rev.open .more{max-height:1200px;margin-top:12px}
.rev .more p{margin:0 0 10px}
.rev .who{display:flex;gap:13px;align-items:center;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.rev .who img{width:48px;height:48px;border-radius:50%;object-fit:cover;flex:none;box-shadow:0 0 0 2px #fff,0 0 0 3px var(--teal-l)}
.rev .who b{display:block;font-size:14px}
.rev .who span{font-size:12px;color:var(--ink2)}
.rev .rt{margin-left:auto;align-self:flex-start;font-size:11.5px;font-weight:700;color:var(--teal);background:var(--teal-l);border:0;border-radius:999px;padding:7px 12px;cursor:pointer;font-family:var(--sans)}
.rev.open .rt{color:var(--gold);background:var(--gold-l)}

.guide{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gcard{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.22s;cursor:pointer;display:flex;flex-direction:column}
.gcard:hover{box-shadow:0 22px 40px -28px rgba(16,35,45,.5);transform:translateY(-3px)}
.gcard .thumb{height:150px;overflow:hidden}
.gcard .thumb img{width:100%;height:100%;object-fit:cover}
.gcard .body{padding:18px 20px;display:flex;flex-direction:column;flex:1}
.gcard .k{font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.gcard h4{font-size:16px;font-weight:700;margin:7px 0 6px;line-height:1.35}
.gcard p{font-size:12.5px;color:var(--ink2);flex:1}
.gcard .rd{font-size:11.5px;font-weight:700;color:var(--teal);margin-top:12px;display:inline-block}
.gcard.open{border-color:var(--teal)}
.gcard.open .rd{color:var(--gold)}
.guide-panel{display:none}
.guide-panel.on{display:block;background:#fff;border:1px solid #cfe4ea;border-radius:18px;padding:34px;margin-top:20px;box-shadow:0 26px 50px -34px rgba(16,35,45,.55)}
.guide-panel .k2{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.guide-panel h3{font-size:26px;font-weight:800}
.guide-panel .cols{columns:2;column-gap:40px;margin-top:18px;font-size:14.5px;color:#3b5261}
.guide-panel .cols p{margin:0 0 14px;break-inside:avoid;line-height:1.75}
.guide-panel .cols h5{font-size:14px;font-weight:700;color:var(--teal-d);margin:18px 0 6px;break-inside:avoid}
.guide-panel .close{margin-top:16px;background:none;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:12.5px;font-weight:600;color:var(--ink2);cursor:pointer;font-family:var(--sans)}

/* partners */
.partners{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.partner{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;transition:.22s}
.partner:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:0 20px 36px -28px rgba(16,35,45,.5)}
.partner .lg{width:44px;height:44px;min-width:44px;border-radius:11px;background:var(--teal-l);color:var(--teal-d);display:grid;place-items:center;font-weight:800;font-size:12px;letter-spacing:.02em}
.partner b{display:block;font-size:14px;font-weight:700;line-height:1.3}
.partner span{font-size:11.5px;color:var(--ink2);display:block;margin-top:2px}

/* contact / private domain */
.cta{position:relative;color:#fff;background:#0b3a4a;overflow:hidden}
.cta .ph{position:absolute;inset:0;background:url('/assets/img/zhangye-danxia.jpg') center/cover no-repeat}
.cta .veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(9,32,45,.94) 20%,rgba(9,32,45,.62))}
.cta .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:52px;align-items:center}
.cta h2{color:#fff}.cta .lead{margin-top:16px;color:#d3e7f0;font-size:16px}
.cta .pts{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:11px}
.cta .pts li{display:flex;gap:11px;font-size:14.5px;color:#e6f2f7}
.cta .pts li::before{content:"\2713";color:#ffd79a;font-weight:800}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cchan{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(10px);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:8px;transition:.2s}
.cchan:hover{background:rgba(255,255,255,.17);border-color:rgba(255,255,255,.4)}
.cchan .ic{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.16);display:grid;place-items:center;font-size:11px;font-weight:800;letter-spacing:.02em}
.cchan b{font-size:14.5px;font-weight:700;color:#fff}
.cchan span{font-size:13px;color:#cfe2ec;word-break:break-all}
.cchan em{font-style:normal;font-size:11.5px;color:#ffd79a;font-weight:600}
.wechat-box{grid-column:1/-1;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(10px);border-radius:16px;padding:20px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.qr{width:118px;height:118px;border-radius:12px;background:#fff;padding:8px;flex:none}
.wechat-box .wtext b{display:block;color:#fff;font-size:15px;font-weight:700;margin-bottom:6px}
.wechat-box .wtext span{font-size:13px;color:#cfe2ec;display:block;line-height:1.6}
.wechat-box .wid{margin-top:10px;display:inline-flex;gap:10px;align-items:center;flex-wrap:wrap}
.wechat-box .wid code{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);border-radius:8px;padding:8px 14px;font-family:var(--sans);font-weight:700;font-size:15px;color:#ffd79a;letter-spacing:.04em}
.copybtn{background:#ffd79a;color:#3d2205;border:0;border-radius:999px;padding:9px 15px;font-weight:700;font-size:12.5px;cursor:pointer;font-family:var(--sans)}
.copybtn:hover{background:#ffc76b}
.cta .note{font-size:11.5px;color:#a8c4d1;margin-top:14px}

footer{background:var(--ink);color:#b9cddb;padding:66px 0 26px}
.fgrid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:36px}
footer h5{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin:0 0 15px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
footer li a{font-size:13.5px;color:#b9cddb}
footer li{font-size:13.5px}
footer p{font-size:13.5px;color:#9db6c6;margin-top:14px;max-width:38ch}
footer .brand2{display:flex;gap:12px;align-items:center;font-weight:800;letter-spacing:.08em;color:#fff}
footer .brand2 .mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--teal),#17a2b8 55%,var(--gold));display:grid;place-items:center;font-size:14px}
.fbottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:#8fa9ba}
.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:13px 22px;border-radius:999px;font-size:13.5px;font-weight:600;opacity:0;pointer-events:none;transition:.3s;z-index:200;box-shadow:0 20px 40px -20px rgba(0,0,0,.7)}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media(max-width:1100px){
  .nav-lang{position:static;justify-content:center;padding-bottom:14px}
  .my,.loop,.cta .wrap,.dest-card .dc-grid{grid-template-columns:1fr}
  .cards,.dests,.guide,.revs,.partners{grid-template-columns:repeat(2,1fr)}
  .strip .wrap{grid-template-columns:1fr 1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  .main-nav{display:none}
  .burger{display:block;position:absolute;left:0;top:26px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:9px 14px;font-family:var(--sans);font-weight:600;color:var(--ink);cursor:pointer}
  .guide-panel .cols{columns:1}
}
@media(max-width:640px){
  .cards,.dests,.guide,.revs,.strip .wrap,.partners,.contact-grid,.inc{grid-template-columns:1fr}
  section{padding:64px 0}
  .hero{min-height:auto;padding:76px 0}
  .loop-visual{height:400px}
  .weather-chip{position:static;margin:20px auto 0;width:92vw}
}

/* ============ INNER PAGE COMPONENTS (multi-page site) ============ */

/* inner page hero */
.page-hero{position:relative;color:#fff;background:#0b3a4a;overflow:hidden;padding:0}
.page-hero .ph{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.04)}
.page-hero .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,32,45,.78) 0%,rgba(9,32,45,.5) 50%,rgba(9,32,45,.88) 100%)}
.page-hero .wrap{position:relative;z-index:2;padding:70px 0 76px}
.page-hero h1{font-size:clamp(30px,4.4vw,54px);font-weight:800;max-width:20ch;margin-top:16px;text-shadow:0 4px 30px rgba(0,0,0,.45)}
.page-hero h1 em{font-style:normal;color:#ffd79a}
.page-hero p.sub{margin-top:18px;font-size:16.5px;font-weight:300;max-width:64ch;color:#e6f2f7}
.page-hero .cta{display:flex;gap:13px;margin-top:28px;flex-wrap:wrap}
.page-hero .pill{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(6px);padding:8px 16px;border-radius:999px;font-size:12.5px;font-weight:500}

/* breadcrumb */
.crumb{background:var(--cream);border-bottom:1px solid var(--line);font-size:12.5px;color:var(--ink2)}
.crumb .wrap{display:flex;gap:9px;align-items:center;flex-wrap:wrap;padding:13px 0}
.crumb a{color:var(--ink2);transition:.2s}
.crumb a:hover{color:var(--teal)}
.crumb span.sep{opacity:.45}
.crumb b{color:var(--teal-d);font-weight:600}

/* route timeline (day by day) */
.tline{list-style:none;margin:0;padding:0;position:relative}
.tline li{display:grid;grid-template-columns:96px 1fr;gap:18px;padding:16px 0;border-bottom:1px dashed #dbe8ee;position:relative}
.tline li:last-child{border-bottom:0}
.tline .dy{background:var(--teal-l);color:var(--teal-d);font-size:11.5px;font-weight:800;letter-spacing:.06em;padding:8px 0;border-radius:9px;text-align:center;height:fit-content}
.tline h5{font-size:15px;font-weight:700;margin:0 0 4px}
.tline p{margin:0;font-size:13.5px;color:#3b5261;line-height:1.7}
.tline .km{display:inline-block;font-size:11.5px;color:var(--ink2);background:var(--cream);border:1px solid var(--line);border-radius:999px;padding:3px 10px;margin-top:7px}

/* long-form prose */
.prose{columns:2;column-gap:44px;font-size:15px;color:#3b5261;line-height:1.85}
.prose h3{font-size:15px;font-weight:700;color:var(--teal-d);margin:20px 0 7px;break-inside:avoid}
.prose h3:first-child{margin-top:0}
.prose p{margin:0 0 15px;break-inside:avoid}
.prose ul{margin:0 0 15px;padding-left:20px;break-inside:avoid}
.prose li{margin-bottom:7px}
.prose strong{color:var(--ink)}

/* comparison table */
.cmp{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.cmp th,.cmp td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.cmp thead th{background:var(--teal);color:#fff;font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:700}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp tbody tr:nth-child(even){background:var(--cream)}
.cmp td:first-child{font-weight:700;color:var(--teal-d);white-space:nowrap}
.cmp-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* info tiles grid */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tile{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:.22s}
.tile:hover{box-shadow:0 24px 44px -32px rgba(16,35,45,.55);border-color:#cfe4ea;transform:translateY(-3px)}
.tile .num{width:40px;height:40px;border-radius:11px;background:var(--teal-l);color:var(--teal-d);display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:14px}
.tile h3{font-size:17px;font-weight:700;margin-bottom:8px}
.tile p{margin:0;font-size:14px;color:var(--ink2);line-height:1.7}

/* article cards (guides list) */
.arts{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.art{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.22s;cursor:pointer}
.art:hover{box-shadow:0 26px 48px -32px rgba(16,35,45,.5);border-color:#cfe4ea}
.art .thumb{height:190px;overflow:hidden}
.art .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.art:hover .thumb img{transform:scale(1.05)}
.art .bd{padding:22px}
.art .k{font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.art h3{font-size:18px;font-weight:700;margin:8px 0 6px;line-height:1.3}
.art p{margin:0;font-size:13.5px;color:var(--ink2)}
.art .more{max-height:0;overflow:hidden;transition:max-height .55s ease;font-size:14px;color:#3b5261}
.art.open .more{max-height:2600px;margin-top:14px}
.art.open .more h4{font-size:13.5px;font-weight:700;color:var(--teal-d);margin:16px 0 6px}
.art.open .more p{margin:0 0 12px;line-height:1.78}
.art .rd{font-size:12px;font-weight:700;color:var(--teal);margin-top:12px;display:inline-block}
.art.open .rd{color:var(--gold)}

/* reviews full list */
.rvgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.rvscore{display:flex;gap:34px;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 30px;margin-bottom:34px}
.rvscore .big{font-size:52px;font-weight:800;color:var(--teal-d);line-height:1}
.rvscore .meta b{display:block;font-size:15px;color:var(--ink)}
.rvscore .meta span{font-size:13px;color:var(--ink2)}

/* simple content section spacing */
.sec{padding:80px 0}
.sec.tight{padding:56px 0}

/* nav CTA buttons in page hero */
.page-hero .btn-ghost{border-color:rgba(255,255,255,.75)}

/* partner strip reuse on inner pages */
.partners.flat{box-shadow:none}

/* ---------------------------------------------------------------- contact page */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.cbox{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;transition:.22s}
.cbox:hover{box-shadow:0 26px 48px -32px rgba(16,35,45,.5);border-color:#cfe4ea;transform:translateY(-3px)}
.cbox .ci{width:46px;height:46px;border-radius:13px;background:var(--teal-l);color:var(--teal-d);display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.04em;margin-bottom:16px}
.cbox h3{font-size:18px;font-weight:700;margin-bottom:10px}
.cbox p{font-size:14px;color:var(--ink2);line-height:1.75;margin:0 0 18px}
.cbox .cb{display:block;background:var(--teal-l);color:var(--teal-d);border-radius:11px;padding:13px 16px;font-weight:700;font-size:14.5px;text-align:center;word-break:break-all;margin-top:auto;transition:.2s}
.cbox a.cb:hover{background:var(--teal);color:#fff}
.cbox .cb2{display:block;width:100%;margin-top:9px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:11px 16px;font-size:13px;font-weight:600;color:var(--ink2);cursor:pointer;font-family:var(--sans);transition:.2s}
.cbox .cb2:hover{border-color:var(--teal);color:var(--teal)}
.note{font-size:13px;color:var(--ink2);line-height:1.75}
.note a{color:var(--teal);font-weight:600}
.prose .note{font-size:13px;color:var(--ink2);border-top:1px solid var(--line);padding-top:16px;margin-top:6px}

/* faq list on inner pages */
.faq{font-size:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:11px;break-inside:avoid}
.faq summary{font-weight:600;cursor:pointer;font-size:14px;color:var(--ink);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:'+ ';color:var(--teal);font-weight:800}
.faq details[open] summary::before{content:'\\2013  '}
.faq .ans{margin-top:10px;color:var(--ink2);font-size:13.5px;line-height:1.8}

/* page-hero small variant (contact) */
.page-hero.small .wrap{padding:56px 0 60px}
.page-hero.small h1{font-size:clamp(27px,3.6vw,44px)}

@media(max-width:1100px){
  .tiles,.rvgrid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr 1fr}
  .arts{grid-template-columns:1fr}
  .prose{columns:1}
  .page-hero .wrap{padding:56px 0 62px}
}
@media(max-width:640px){
  .tiles,.rvgrid,.contact-grid{grid-template-columns:1fr}
  .tline li{grid-template-columns:74px 1fr;gap:12px}
  .cmp th,.cmp td{padding:10px 12px}
  .rvscore{padding:20px}
  .rvscore .big{font-size:40px}
}


/* ---------------------------------------------------------------- about page */
.phero{position:relative;min-height:420px;display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.phero .ph{position:absolute;inset:0;background-image:url('/assets/img/qinghai-grassland.jpg');background-size:cover;background-position:center 40%;transform:scale(1.04)}
.phero .veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(9,22,30,.86) 0%,rgba(9,22,30,.58) 52%,rgba(9,22,30,.28) 100%)}
.phero .wrap{position:relative;z-index:2;padding:76px 0}
.phero .crumb{color:#9fc4d2;font-size:13px;margin-bottom:16px}
.phero .crumb a{color:#cfe4ea}
.phero .crumb a:hover{color:#fff}
.phero h1{color:#fff;font-size:clamp(28px,4vw,52px);font-weight:800;line-height:1.16;max-width:20ch}
.phero h1 em{font-style:normal;color:var(--gold)}
.phero p{color:#cfe0e7;font-size:16.5px;line-height:1.8;max-width:64ch;margin-top:16px}

.two{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.two .lead{font-size:16.5px;color:var(--ink2);line-height:1.85}
.two p{font-size:15px;color:var(--ink2);line-height:1.85;margin-top:14px}
.two h2{font-size:clamp(23px,3vw,34px);font-weight:700;line-height:1.3}
.two h2 span{color:var(--teal);font-weight:600}
.two .pic img{width:100%;border-radius:20px;box-shadow:0 34px 60px -38px rgba(16,35,45,.72)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.stat{background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:16px}
.stat b{display:block;font-size:20px;font-weight:800;color:var(--teal-d)}
.stat span{font-size:12px;color:var(--ink2)}

.vals{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.val{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;transition:.22s}
.val:hover{box-shadow:0 26px 48px -32px rgba(16,35,45,.5);border-color:#cfe4ea;transform:translateY(-3px)}
.val .ic{width:46px;height:46px;border-radius:13px;background:var(--gold-l);color:var(--gold);display:grid;place-items:center;font-weight:800;font-size:11.5px;letter-spacing:.04em;margin-bottom:15px}
.val h3{font-size:16.5px;font-weight:700;margin-bottom:9px}
.val p{font-size:13.5px;color:var(--ink2);line-height:1.78;margin:0}

.team{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.member{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;text-align:center}
.member img{width:88px;height:88px;border-radius:50%;object-fit:cover;margin:0 auto 14px}
.member b{display:block;font-size:16px;font-weight:700}
.member span{display:block;font-size:12.5px;color:var(--teal);font-weight:600;margin:4px 0 10px}
.member p{font-size:13.5px;color:var(--ink2);line-height:1.75;margin:0}

.contact{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.crow{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
.crow:last-child{border-bottom:0}
.crow b{color:var(--teal-d);font-weight:600}
.crow span{color:var(--ink2)}
.crow a{color:var(--teal);font-weight:600}
.crow code{background:var(--teal-l);color:var(--teal-d);padding:2px 8px;border-radius:6px;font-size:13px;font-weight:700}
.map-embed{margin-top:18px;border-radius:16px;overflow:hidden;border:1px solid var(--line);line-height:0}
.map-embed iframe{width:100%;height:260px;border:0}
.cform{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.fine{font-size:12px;color:var(--ink2);line-height:1.7}

@media(max-width:1100px){
  .two{grid-template-columns:1fr;gap:32px}
  .vals,.team{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .vals,.team,.stats{grid-template-columns:1fr}
  .crow{grid-template-columns:1fr;gap:4px}
  .phero .wrap{padding:56px 0}
}