/* ChangbaiMountain V11 — high fidelity visual system based on approved concept */
:root{--v11-ink:#112b2b;--v11-green:#075d3f;--v11-green2:#0c7451;--v11-blue:#0d72ad;--v11-sky:#d8edf7;--v11-paper:#fbfaf7;--v11-sand:#f3e5cd;--v11-line:#e4e8e3;--v11-muted:#68746f;--v11-shadow:0 18px 44px rgba(17,43,43,.11);--v11-radius:18px}
html{scroll-behavior:smooth} body{background:var(--v11-paper);color:var(--v11-ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.shell{width:min(1180px,calc(100% - 44px));margin-inline:auto}
.announcement{background:#f4f7f5;border-bottom:1px solid #e4e9e6;color:#52625b;font-size:12px;letter-spacing:.02em}.announcement .shell{min-height:32px;display:flex;align-items:center;justify-content:space-between}.announcement-links{display:flex;gap:18px}.announcement a{color:#355d4f;font-weight:650;text-decoration:none}
.nav{background:rgba(255,255,255,.98);border-bottom:1px solid #e8ece9;box-shadow:0 1px 0 rgba(13,45,38,.02);position:sticky;top:0;z-index:80}.nav-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--v11-ink);min-width:260px}.brand-emblem{display:block;width:76px;height:49px;flex:0 0 auto}.brand-emblem img{width:100%;height:100%;object-fit:contain}.brand-type{display:flex;flex-direction:column;line-height:1.04}.brand-type strong{font-family:Georgia,"Times New Roman",serif;font-size:16px;letter-spacing:.055em;font-weight:700}.brand-type small{font-size:9.5px;letter-spacing:.08em;color:#41645a;margin-top:5px;font-weight:700}.navlinks{display:flex;align-items:center;gap:28px}.navlinks a{font-size:13px;font-weight:650;color:#233c37;text-decoration:none}.navlinks a:hover{color:var(--v11-green)}.nav-cta{background:var(--v11-green)!important;color:white!important;padding:11px 18px;border-radius:999px}.menu-toggle{border:0;background:transparent;font-size:22px;color:var(--v11-ink)}
.footer{background:#0b1d20!important;color:#dfe9e7!important;margin-top:0;padding-top:58px}.footer .brand-type strong,.footer .brand-type small{color:white}.footer p,.footer a{color:#aebfba!important}.footer strong{color:#fff!important}.footer-grid{gap:52px}.footer-legal-links,.footer-bottom{border-color:rgba(255,255,255,.12)!important}
/* Homepage */
.v11-home{overflow-x:hidden;overflow-y:auto;background:#fff}
.v11-hero{min-height:620px;position:relative;display:flex;align-items:flex-end;background-image:linear-gradient(90deg,rgba(5,31,52,.74) 0%,rgba(8,42,71,.34) 48%,rgba(7,29,43,.1) 75%),linear-gradient(0deg,rgba(4,32,56,.38),rgba(4,32,56,.02) 55%),url('https://upload.wikimedia.org/wikipedia/commons/6/68/Tianchi_Lake_of_Changbai_20130714.jpeg');background-size:cover;background-position:center 48%;color:white}.v11-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,28,40,0) 54%,rgba(4,28,40,.17))}.v11-hero-content{position:relative;z-index:2;padding:95px 0 70px;max-width:720px}.v11-eyebrow{font-size:12px;letter-spacing:.22em;font-weight:700;opacity:.9;margin-bottom:18px}.v11-hero h1{font-family:Georgia,"Times New Roman",serif;font-weight:500;font-size:clamp(54px,6.8vw,86px);line-height:.95;letter-spacing:-.035em;margin:0 0 16px}.v11-hero h2{font-size:20px;line-height:1.35;font-weight:500;margin:0 0 10px}.v11-alias{font-size:13px;letter-spacing:.16em;font-weight:650;margin:0 0 24px}.v11-hero p{font-size:16px;line-height:1.75;max-width:525px;margin:0 0 28px;color:rgba(255,255,255,.92)}.v11-actions{display:flex;gap:12px;flex-wrap:wrap}.v11-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 23px;border-radius:999px;text-decoration:none;font-size:13px;font-weight:750}.v11-btn.primary{background:var(--v11-green2);color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.15)}.v11-btn.glass{border:1px solid rgba(255,255,255,.8);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(8px)}.v11-location{margin-top:34px;font-size:12px;font-weight:650;display:flex;gap:8px;align-items:center}.v11-dot{width:8px;height:8px;border:2px solid #fff;border-radius:50%}
.v11-section{padding:70px 0}.v11-section.soft{background:#fbfaf7}.v11-kicker{font-size:10px;letter-spacing:.2em;color:#5d7a70;font-weight:800;text-transform:uppercase;margin-bottom:9px}.v11-title{font-family:Georgia,"Times New Roman",serif;font-size:clamp(33px,4.2vw,47px);line-height:1.05;letter-spacing:-.025em;margin:0 0 9px;color:#152c2a}.v11-sub{color:var(--v11-muted);font-size:15px;line-height:1.7;margin:0;max-width:730px}.v11-section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:29px}.v11-text-link{border:1px solid #8ba198;border-radius:999px;padding:10px 17px;text-decoration:none;font-size:12px;font-weight:700;color:#284b41;white-space:nowrap}
.v11-why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.v11-why-card{background:white;border-radius:14px;overflow:hidden;box-shadow:0 8px 26px rgba(15,52,43,.09);text-decoration:none;color:inherit;border:1px solid #edf0ee;position:relative;transition:transform .25s ease,box-shadow .25s ease}.v11-why-card:hover{transform:translateY(-4px);box-shadow:var(--v11-shadow)}.v11-card-image{height:170px;background-size:cover;background-position:center}.v11-why-card:nth-child(1) .v11-card-image{background-image:url('https://upload.wikimedia.org/wikipedia/commons/6/68/Tianchi_Lake_of_Changbai_20130714.jpeg')}.v11-why-card:nth-child(2) .v11-card-image{background-image:url('https://upload.wikimedia.org/wikipedia/commons/d/d1/Heven_Lake_ChangBai_Mountain.jpg')}.v11-why-card:nth-child(3) .v11-card-image{background-image:url('https://upload.wikimedia.org/wikipedia/commons/1/15/Changbai_Hot_spring_2.jpg')}.v11-why-card:nth-child(4) .v11-card-image{background-image:url('https://upload.wikimedia.org/wikipedia/commons/0/06/%E5%AE%89%E5%9B%BE_%E9%95%BF%E7%99%BD%E5%B1%B1%E4%B9%8B%E4%BA%8E%E9%95%BF%E7%99%BD%E7%80%91%E5%B8%83%E8%84%9A%E4%B8%8B%E5%90%91%E5%B1%B1%E5%A4%96%E6%9C%9B%E5%8E%BB_03.jpg')}.v11-card-icon{position:absolute;top:147px;left:16px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--v11-green);color:white;font-size:15px;border:3px solid white}.v11-card-body{padding:25px 16px 18px}.v11-card-body h3{font-size:15px;margin:0 0 6px}.v11-card-body p{font-size:12.5px;line-height:1.5;color:#596b64;margin:0}
.v11-guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.v11-guide{border-radius:13px;overflow:hidden;background:#fff;border:1px solid #e6ebe8;box-shadow:0 8px 24px rgba(15,52,43,.07);text-decoration:none;color:inherit}.v11-guide-img{height:155px;background-size:cover;background-position:center;position:relative}.v11-guide:nth-child(1) .v11-guide-img{background-image:url('https://upload.wikimedia.org/wikipedia/commons/6/68/Tianchi_Lake_of_Changbai_20130714.jpeg')}.v11-guide:nth-child(2) .v11-guide-img{background-image:url('https://upload.wikimedia.org/wikipedia/commons/a/a6/Changbai_Mountain%2CChina.jpg')}.v11-guide:nth-child(3) .v11-guide-img{background-image:url('https://upload.wikimedia.org/wikipedia/commons/d/da/%E5%90%89%E6%9E%97%E7%9C%81%E9%95%BF%E7%99%BD%E5%B1%B1%E8%84%9A%E4%B8%8B%E5%8E%9F%E5%A7%8B%E6%A3%AE%E6%9E%97_-_panoramio.jpg')}.v11-guide:nth-child(4) .v11-guide-img{background-image:url('https://upload.wikimedia.org/wikipedia/commons/d/d1/Heven_Lake_ChangBai_Mountain.jpg')}.v11-label{position:absolute;top:9px;left:9px;background:#123f53;color:white;border-radius:4px;padding:4px 7px;font-size:8px;letter-spacing:.09em;font-weight:800}.v11-guide-copy{padding:15px}.v11-guide-copy h3{font-size:15px;line-height:1.3;margin:0 0 7px}.v11-guide-copy p{font-size:12px;line-height:1.45;color:#69766f;margin:0 0 10px}.v11-read{font-size:10px;color:#718078;font-weight:650}
.v11-season-planner{background:#f6f0e7;padding:76px 0}.v11-split{display:grid;grid-template-columns:1fr 1.04fr;gap:38px;align-items:stretch}.v11-season-side{display:grid;grid-template-columns:1fr 1fr;gap:16px}.v11-season-card{min-height:350px;border-radius:17px;overflow:hidden;position:relative;background-size:cover;background-position:center;box-shadow:var(--v11-shadow);color:white}.v11-season-card.winter{background-image:linear-gradient(0deg,rgba(4,31,43,.58),rgba(4,31,43,.04)),url('https://upload.wikimedia.org/wikipedia/commons/d/d1/Heven_Lake_ChangBai_Mountain.jpg')}.v11-season-card.autumn{background-image:linear-gradient(0deg,rgba(54,34,15,.62),rgba(54,34,15,.08)),url('https://upload.wikimedia.org/wikipedia/commons/d/da/%E5%90%89%E6%9E%97%E7%9C%81%E9%95%BF%E7%99%BD%E5%B1%B1%E8%84%9A%E4%B8%8B%E5%8E%9F%E5%A7%8B%E6%A3%AE%E6%9E%97_-_panoramio.jpg')}.v11-season-copy{position:absolute;left:18px;right:18px;bottom:18px}.v11-season-copy strong{display:block;font-family:Georgia,"Times New Roman",serif;font-size:24px}.v11-season-copy span{font-size:11px;opacity:.92}.v11-planner-panel{background:#fff;border-radius:18px;padding:42px 42px 36px;box-shadow:var(--v11-shadow);display:flex;flex-direction:column;justify-content:center}.v11-planner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px 20px;margin:28px 0 30px}.v11-planner-item{text-decoration:none;color:var(--v11-ink);text-align:center}.v11-planner-item svg{width:27px;height:27px;stroke:var(--v11-green);stroke-width:1.8;fill:none;margin-bottom:8px}.v11-planner-item b{font-size:11px;display:block}.v11-planner-panel .v11-btn{align-self:flex-start}
.v11-trust{background:#0e2c27;color:#fff;padding:58px 0}.v11-trust-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:center}.v11-trust h2{font-family:Georgia,"Times New Roman",serif;font-size:38px;line-height:1.1;margin:0}.v11-trust p{color:#cbd9d4;line-height:1.75;margin:0}
/* Inner page polish without changing content structure */
.blog-hero,.article-hero{background:linear-gradient(135deg,#0f342c,#0d4e42)!important}.blog-shell,.article-layout,.article-body,.prose-panel{background:#fff!important}.blog-card,.guide-card,.commerce-card{border-radius:16px!important;box-shadow:0 10px 28px rgba(17,43,43,.08)!important;border-color:#e7ebe8!important}.article-body h1,.article-body h2,.article-hero h1,.blog-hero h1,.page-hero h1{font-family:Georgia,"Times New Roman",serif!important;letter-spacing:-.02em}.article-body{font-size:16px;line-height:1.78}.article-body h2{font-size:30px;margin-top:42px}.article-body h3{font-size:21px;margin-top:30px}.article-layout{border-radius:18px}
@media(max-width:980px){.navlinks{gap:17px}.navlinks a{font-size:12px}.brand{min-width:230px}.v11-why-grid,.v11-guide-grid{grid-template-columns:repeat(2,1fr)}.v11-split{grid-template-columns:1fr}.v11-hero{min-height:570px}}
@media(max-width:760px){.shell{width:min(100% - 28px,1180px)}.announcement .shell{min-height:36px;font-size:10px}.announcement span:first-child{max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-inner{height:66px}.brand{min-width:0}.brand-emblem{width:58px;height:40px}.brand-type strong{font-size:13px}.brand-type small{font-size:8px}.navlinks{display:none}.navlinks.open{display:flex;position:absolute;top:66px;left:0;right:0;background:white;padding:20px 24px;flex-direction:column;align-items:flex-start;box-shadow:0 16px 30px rgba(0,0,0,.08)}.v11-hero{min-height:610px;background-position:61% center}.v11-hero-content{padding:85px 0 50px}.v11-hero h1{font-size:55px;max-width:350px}.v11-hero h2{font-size:17px}.v11-section{padding:54px 0}.v11-section-head{align-items:flex-start;flex-direction:column;gap:16px}.v11-why-grid,.v11-guide-grid{grid-template-columns:1fr 1fr;gap:11px}.v11-card-image{height:130px}.v11-card-icon{top:108px}.v11-card-body{padding:24px 12px 14px}.v11-guide-img{height:120px}.v11-guide-copy{padding:12px}.v11-season-planner{padding:54px 0}.v11-season-side{gap:10px}.v11-season-card{min-height:270px}.v11-planner-panel{padding:30px 22px}.v11-planner-grid{gap:22px 8px}.v11-trust-grid{grid-template-columns:1fr;gap:18px}.v11-trust h2{font-size:31px}}
@media(max-width:460px){.announcement-links{gap:10px}.brand-type small{letter-spacing:.03em}.v11-why-grid,.v11-guide-grid{grid-template-columns:1fr}.v11-card-image{height:180px}.v11-card-icon{top:158px}.v11-guide-img{height:180px}.v11-season-side{grid-template-columns:1fr 1fr}.v11-season-card{min-height:230px}.v11-planner-grid{grid-template-columns:repeat(2,1fr)}.v11-hero h1{font-size:48px}}


/* ==============================
   V12 visual + interaction hardening
   Reference direction: premium ivory/white destination magazine,
   panoramic Tianchi hero, high-trust image cards, refined pine/lake palette.
   ============================== */
:root{
  --v12-ink:#0f2927;--v12-pine:#0b513f;--v12-pine2:#0e6a50;--v12-lake:#2e83b9;
  --v12-sky:#d9edf6;--v12-ivory:#fbf8f1;--v12-sand:#efe2cf;--v12-line:#dfe7e2;
}
html{scroll-behavior:smooth;overflow-y:scroll}
body,body.v11-home{overflow-x:hidden!important;overflow-y:auto!important;min-height:100%;background:#fff}
body.menu-open{overflow-y:auto!important}
a,button{touch-action:manipulation}
.announcement{position:relative;z-index:1002;background:#f7faf8;border-bottom:1px solid #e7ece8}
.announcement .shell{min-height:34px}
.nav{position:sticky!important;top:0;z-index:1001!important;background:rgba(255,255,255,.985)!important;border-bottom:1px solid #e8eeea!important;box-shadow:0 5px 24px rgba(19,55,47,.045)!important;backdrop-filter:blur(14px)}
.nav-inner{height:84px!important;min-height:84px!important;position:relative;overflow:visible}
.brand{min-width:320px!important;gap:9px!important;position:relative;z-index:1003}
.brand-emblem{width:106px!important;height:60px!important;overflow:hidden;display:flex!important;align-items:center!important;justify-content:center!important}
.brand-emblem img{width:114px!important;height:58px!important;object-fit:cover!important;object-position:center 48%!important;mix-blend-mode:multiply}
.brand-type strong{font-family:Georgia,"Times New Roman",serif!important;font-size:17px!important;letter-spacing:.035em!important;color:#103f36!important;white-space:nowrap}
.brand-type small{font-size:9px!important;letter-spacing:.11em!important;color:#3d655b!important;margin-top:5px!important;white-space:nowrap}
.navlinks{position:relative;z-index:1003;pointer-events:auto!important;gap:26px!important}
.navlinks a,.menu-toggle{pointer-events:auto!important;position:relative;z-index:1004}
.navlinks a{font-size:12.5px!important;color:#1d3a34!important}
.navlinks a:hover{color:#0c674d!important;opacity:1!important}
.nav-cta{background:#0d6149!important;color:#fff!important;border:0!important;box-shadow:0 5px 16px rgba(13,97,73,.13)}
.menu-toggle{cursor:pointer}

.v11-home{background:#fff!important}
.v11-hero{min-height:650px!important;overflow:hidden;isolation:isolate;background-image:
  linear-gradient(90deg,rgba(4,31,61,.76) 0%,rgba(5,41,75,.45) 43%,rgba(7,31,52,.12) 76%),
  linear-gradient(180deg,rgba(239,155,118,.26) 0%,rgba(39,100,151,.03) 31%,rgba(4,31,61,.28) 100%),
  url('https://upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Tianchi_Lake_Panorama.jpg/1280px-Tianchi_Lake_Panorama.jpg')!important;
  background-size:cover!important;background-position:center 50%!important}
.v11-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 66% 10%,rgba(248,181,124,.28),transparent 28%);pointer-events:none!important;z-index:0}
.v11-hero:after{pointer-events:none!important;z-index:0!important;background:linear-gradient(180deg,transparent 62%,rgba(1,26,48,.34))!important}
.v11-hero-content{z-index:2!important;padding:106px 0 62px!important;max-width:720px!important}
.v11-eyebrow{font-size:11px!important;letter-spacing:.2em!important;margin-bottom:17px!important}
.v11-hero h1{font-size:clamp(58px,6.3vw,88px)!important;line-height:.94!important;text-shadow:0 4px 22px rgba(0,0,0,.16)}
.v11-hero h2{font-size:21px!important;font-weight:500!important}
.v11-alias{font-size:12px!important;margin-top:16px!important}
.v11-hero p{max-width:545px!important;font-size:15.5px!important;line-height:1.65!important}
.v11-btn.primary{background:#0b684a!important;box-shadow:0 12px 28px rgba(0,0,0,.17)}

.v11-section{padding:72px 0!important}
.v11-section.soft{background:#fbf8f1!important}
.v11-kicker{color:#4d746a!important;letter-spacing:.18em!important}
.v11-title{font-size:clamp(35px,3.4vw,50px)!important;line-height:1.03!important;color:#172d2a!important;letter-spacing:-.035em!important}
.v11-sub{color:#5d6d68!important}
.v11-text-link{border:1px solid #a9c1b8;padding:10px 16px;border-radius:999px;color:#155f4c!important;background:#fff;text-decoration:none;font-weight:650}
.v11-text-link:hover{border-color:#0c674d;box-shadow:0 8px 24px rgba(13,78,59,.08)}
.v11-why-grid,.v11-guide-grid{gap:18px!important}
.v11-why-card,.v11-guide{border-radius:12px!important;border:1px solid #e5ebe7!important;box-shadow:0 10px 26px rgba(17,59,49,.07)!important;transition:transform .22s ease,box-shadow .22s ease}
.v11-why-card:hover,.v11-guide:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(17,59,49,.12)!important}
.v11-card-image{height:184px!important}
.v11-card-icon{top:161px!important;width:39px!important;height:39px!important;background:#0c6148!important}
.v11-card-body h3,.v11-guide-copy h3{color:#162e29}
.v11-guide-img{height:164px!important}
.v11-label{background:#0d4661!important}

/* each visual should tell the story at a glance */
.v11-why-card:nth-child(1) .v11-card-image{background-image:url('https://upload.wikimedia.org/wikipedia/commons/6/68/Tianchi_Lake_of_Changbai_20130714.jpeg')!important;background-position:center 52%!important}
.v11-why-card:nth-child(2) .v11-card-image{background-image:url('https://upload.wikimedia.org/wikipedia/commons/d/d1/Heven_Lake_ChangBai_Mountain.jpg')!important;background-position:center 45%!important}
.v11-why-card:nth-child(3) .v11-card-image{background-image:url('https://upload.wikimedia.org/wikipedia/commons/1/15/Changbai_Hot_spring_2.jpg')!important;background-position:center 58%!important}
.v11-why-card:nth-child(4) .v11-card-image{background-image:url('https://upload.wikimedia.org/wikipedia/commons/0/06/%E5%AE%89%E5%9B%BE_%E9%95%BF%E7%99%BD%E5%B1%B1%E4%B9%8B%E4%BA%8E%E9%95%BF%E7%99%BD%E7%80%91%E5%B8%83%E8%84%9A%E4%B8%8B%E5%90%91%E5%B1%B1%E5%A4%96%E6%9C%9B%E5%8E%BB_03.jpg')!important;background-position:center 62%!important}
.v11-guide:nth-child(1) .v11-guide-img{background-image:url('https://upload.wikimedia.org/wikipedia/commons/6/68/Tianchi_Lake_of_Changbai_20130714.jpeg')!important}
.v11-guide:nth-child(2) .v11-guide-img{background-image:url('https://upload.wikimedia.org/wikipedia/commons/a/a6/Changbai_Mountain%2CChina.jpg')!important}
.v11-guide:nth-child(3) .v11-guide-img{background-image:linear-gradient(135deg,rgba(7,54,73,.18),rgba(10,87,66,.04)),url('https://upload.wikimedia.org/wikipedia/commons/d/da/%E5%90%89%E6%9E%97%E7%9C%81%E9%95%BF%E7%99%BD%E5%B1%B1%E8%84%9A%E4%B8%8B%E5%8E%9F%E5%A7%8B%E6%A3%AE%E6%9E%97_-_panoramio.jpg')!important}
.v11-guide:nth-child(4) .v11-guide-img{background-image:url('https://upload.wikimedia.org/wikipedia/commons/d/d1/Heven_Lake_ChangBai_Mountain.jpg')!important}

.v11-season-planner{background:linear-gradient(180deg,#f8f3e9,#f4ede1)!important;padding:72px 0!important}
.v11-season-card{border-radius:14px!important;box-shadow:0 12px 30px rgba(23,55,46,.11)!important}
.v11-planner-panel{border:1px solid #e4e9e5!important;border-radius:16px!important;box-shadow:0 14px 34px rgba(17,57,47,.08)!important}
.v11-planner-item{border-radius:10px;padding:9px 5px!important}
.v11-planner-item:hover{background:#f4f8f5}
.v11-planner-item svg{stroke:#0d654c!important}
.v11-trust{background:#0b3027!important}
.footer{background:#071e1a!important}
.footer .brand-emblem img{mix-blend-mode:normal;filter:none;background:#fff;border-radius:8px;padding:2px}

/* Decorative layers never block links */
.v11-hero:before,.v11-hero:after,.blog-hero:before,.blog-hero:after,.article-hero:before,.article-hero:after,.planner-hero:before,.planner-hero:after{pointer-events:none!important}
main,header,section,footer{position:relative}
.nav a,.announcement a,.footer a,.v11-home main a{pointer-events:auto!important}

@media(max-width:980px){
  .brand{min-width:250px!important}.brand-emblem{width:86px!important;height:52px!important}.brand-emblem img{width:92px!important;height:48px!important}
  .navlinks{gap:14px!important}.navlinks a{font-size:11.5px!important}
}
@media(max-width:760px){
  html,body,body.v11-home{overflow-y:auto!important;overscroll-behavior-y:auto}
  .announcement .shell{min-height:38px!important}
  .nav-inner{height:70px!important;min-height:70px!important}
  .brand{min-width:0!important;max-width:calc(100% - 54px)}
  .brand-emblem{width:66px!important;height:42px!important}.brand-emblem img{width:72px!important;height:40px!important}
  .brand-type strong{font-size:12.5px!important}.brand-type small{font-size:7.5px!important}
  .menu-toggle{display:block!important;margin-left:auto;z-index:2004!important}
  .navlinks{display:none!important;position:absolute!important;top:70px!important;left:-14px!important;right:-14px!important;background:#fff!important;padding:20px 22px 24px!important;flex-direction:column!important;align-items:stretch!important;gap:2px!important;border-top:1px solid #e8eeea;border-bottom:1px solid #e1e8e4;box-shadow:0 18px 34px rgba(12,49,39,.13);z-index:2003!important}
  .navlinks.open{display:flex!important}
  .navlinks a{display:block!important;padding:12px 4px!important;font-size:14px!important}
  .nav-cta{text-align:center;margin-top:7px}
  .v11-hero{min-height:600px!important;background-position:center center!important}
  .v11-hero-content{padding:78px 0 48px!important}.v11-hero h1{font-size:52px!important;max-width:360px}
  .v11-why-grid,.v11-guide-grid{grid-template-columns:1fr 1fr!important}.v11-card-image{height:132px!important}.v11-card-icon{top:110px!important}
}
@media(max-width:520px){
  .announcement> .shell>span:first-child{max-width:48%!important}.announcement-links{gap:8px!important}
  .brand-emblem{width:60px!important}.brand-type strong{font-size:11.5px!important}
  .v11-hero h1{font-size:46px!important}.v11-hero h2{font-size:17px!important}
  .v11-section{padding:48px 0!important}.v11-why-grid,.v11-guide-grid{grid-template-columns:1fr!important}
  .v11-card-image,.v11-guide-img{height:190px!important}.v11-card-icon{top:168px!important}
  .v11-season-side{grid-template-columns:1fr!important}.v11-season-card{min-height:300px!important}
}

/* ===== V13 interaction + matched imagery ===== */
:root{--header-announcement-h:34px;--header-nav-h:84px;--header-total:118px}
html{scroll-padding-top:calc(var(--header-total) + 18px)!important}
body{padding-top:var(--header-total)!important}
section[id]{scroll-margin-top:calc(var(--header-total) + 18px)!important}
.announcement{position:fixed!important;top:0!important;left:0;right:0;height:var(--header-announcement-h);z-index:4000!important;background:rgba(248,250,248,.985)!important}
.announcement .shell{height:var(--header-announcement-h)!important;min-height:var(--header-announcement-h)!important}
.nav{position:fixed!important;top:var(--header-announcement-h)!important;left:0;right:0;height:var(--header-nav-h)!important;z-index:3999!important;transform:none!important;visibility:visible!important;opacity:1!important}
.nav-inner{height:var(--header-nav-h)!important}
.navlinks{display:flex!important;visibility:visible!important;opacity:1!important}
.navlinks a{visibility:visible!important;opacity:1!important}

/* Content-matched home imagery. */
.v11-why-card:nth-child(1) .v11-card-image{
  background-image:url('https://upload.wikimedia.org/wikipedia/commons/6/68/Tianchi_Lake_of_Changbai_20130714.jpeg')!important;
  background-position:center 52%!important
}
.v11-why-card:nth-child(2) .v11-card-image{
  background:none!important;display:grid!important;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:2px;background:#e8efeb!important
}
.v11-why-card:nth-child(2) .v11-card-image .season-tile{display:block;background-size:cover;background-position:center;min-width:0;min-height:0}
.v11-why-card:nth-child(2) .v11-card-image .season-summer{background-image:url('https://upload.wikimedia.org/wikipedia/commons/6/68/Tianchi_Lake_of_Changbai_20130714.jpeg')}
.v11-why-card:nth-child(2) .v11-card-image .season-winter{background-image:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/ChangBai_Mountain_Glacier.jpg?width=900')}
.v11-why-card:nth-child(2) .v11-card-image .season-forest{background-image:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/Forests_in_Changbai_Mountain.jpg?width=900')}
.v11-why-card:nth-child(2) .v11-card-image .season-autumn{background-image:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/%E6%B2%B3%E6%B5%81%E5%92%8C%E6%A3%AE%E6%9E%97_Forest_and_river_-_panoramio.jpg?width=900')}
.v11-why-card:nth-child(3) .v11-card-image{
  background-image:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/Hot_spring_in_Changbai_Mountain.jpg?width=1400')!important;
  background-position:center 57%!important
}
.v11-why-card:nth-child(4) .v11-card-image{
  background-image:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/Changbaishan_Tianchi_from_western_rim.jpg?width=1400')!important;
  background-position:center 44%!important
}

/* Matched article hero system. */
.article-hero.image-hero{position:relative;isolation:isolate;overflow:hidden;color:#fff!important;padding:116px 0 94px!important;background-size:cover!important;background-position:center!important;border-bottom:0!important}
.article-hero.image-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,24,29,.82) 0%,rgba(7,34,39,.61) 46%,rgba(7,31,37,.30) 76%,rgba(7,31,37,.18) 100%);z-index:0;pointer-events:none}
.article-hero.image-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,28,39,.08),rgba(4,28,39,.38));z-index:0;pointer-events:none}
.article-hero.image-hero>.shell{position:relative;z-index:2}
.article-hero.image-hero .crumbs,.article-hero.image-hero .crumbs a,.article-hero.image-hero .eyebrow,.article-hero.image-hero .search-alias,.article-hero.image-hero .dek{color:rgba(255,255,255,.90)!important}
.article-hero.image-hero h1{color:#fff!important;text-shadow:0 4px 28px rgba(0,0,0,.28);max-width:920px}
.article-hero.hero-tianchi{background-image:url('https://upload.wikimedia.org/wikipedia/commons/6/68/Tianchi_Lake_of_Changbai_20130714.jpeg')!important;background-position:center 48%!important}
.article-hero.hero-hot-springs{background-image:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/Hot_spring_in_Changbai_Mountain.jpg?width=1800')!important;background-position:center 55%!important}
.article-hero.hero-west-slope{background-image:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/Changbaishan_Tianchi_from_western_rim.jpg?width=1800')!important;background-position:center 46%!important}
.article-hero.hero-seasons{background:#183d37!important;min-height:420px}
.article-hero.hero-seasons .hero-season-grid{position:absolute;inset:0;display:grid;grid-template-columns:repeat(4,1fr);z-index:-2}
.article-hero.hero-seasons .hero-season-grid span{background-size:cover;background-position:center}
.article-hero.hero-seasons .hero-season-grid .season-summer{background-image:url('https://upload.wikimedia.org/wikipedia/commons/6/68/Tianchi_Lake_of_Changbai_20130714.jpeg')}
.article-hero.hero-seasons .hero-season-grid .season-winter{background-image:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/ChangBai_Mountain_Glacier.jpg?width=1000')}
.article-hero.hero-seasons .hero-season-grid .season-forest{background-image:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/Forests_in_Changbai_Mountain.jpg?width=1000')}
.article-hero.hero-seasons .hero-season-grid .season-autumn{background-image:url('https://commons.wikimedia.org/wiki/Special:Redirect/file/%E6%B2%B3%E6%B5%81%E5%92%8C%E6%A3%AE%E6%9E%97_Forest_and_river_-_panoramio.jpg?width=1000')}
.article-hero.hero-seasons:before{background:linear-gradient(90deg,rgba(4,27,31,.88) 0%,rgba(5,31,35,.70) 45%,rgba(5,31,35,.47) 100%)}

@media(max-width:760px){
  :root{--header-announcement-h:36px;--header-nav-h:66px;--header-total:102px}
  body{padding-top:var(--header-total)!important}
  .navlinks{display:none!important;position:fixed!important;top:var(--header-total)!important;left:0!important;right:0!important;padding:18px 22px 24px!important;z-index:5000!important}
  .navlinks.open{display:flex!important}
  .article-hero.image-hero{padding:78px 0 64px!important}
  .article-hero.hero-seasons .hero-season-grid{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
}


/* ===== V14 final stability pass ===== */
html{overflow-y:auto!important;scroll-behavior:smooth}
body,body.v11-home{overflow-x:hidden!important;overflow-y:visible!important;min-height:100vh!important}
.announcement,.nav{will-change:auto!important}
.nav{display:block!important}
.nav-inner{overflow:visible!important}
.navlinks{visibility:visible!important;opacity:1!important;pointer-events:auto!important}
.navlinks a{pointer-events:auto!important}
/* Four-item navigation: no duplicate trip-planner link. */
@media(min-width:761px){
  .navlinks{display:flex!important;gap:32px!important}
  .navlinks a{display:inline-flex!important;align-items:center!important;min-height:44px!important}
}
@media(max-width:760px){
  .navlinks{display:none!important}
  .navlinks.open{display:flex!important;visibility:visible!important;opacity:1!important;pointer-events:auto!important}
  .menu-toggle{display:block!important;pointer-events:auto!important}
}
/* Ensure anchor targets never hide behind the fixed two-tier header. */
#explore,#seasons{scroll-margin-top:calc(var(--header-total) + 20px)!important}