:root{--c-primary:#3a5a7a;}
*{margin:0;padding:0;box-sizing:border-box}
:root{--ice:#e0fbfc;--deep-ice:#98c1d9;--frost:#caf0f8;--accent:#3d5a80;--navy:#293241;--ink:#2c3e50;--white:#ffffff}
body{font-family:'Noto Sans SC',sans-serif;color:var(--ink);background:var(--ice);line-height:1.7}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1200px;margin:auto;padding:0 24px}
.site-header{background:linear-gradient(90deg,var(--deep-ice),var(--ice));position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(61,90,128,.25);box-shadow:0 2px 12px rgba(61,90,128,.15)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:26px;letter-spacing:4px;color:var(--navy);text-transform:uppercase}
.brand span{color:var(--accent)}
.main-nav{display:flex;gap:4px}
.main-nav a{color:var(--navy);font-family:'Rajdhani',sans-serif;font-weight:600;font-size:17px;letter-spacing:2px;text-transform:uppercase;padding:8px 18px;border-radius:2px}
.main-nav a:hover{background:rgba(61,90,128,.18)}
.main-nav a.active{background:var(--accent);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid rgba(41,50,65,.5);color:var(--navy);font-size:22px;padding:4px 12px;cursor:pointer}
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#7fb2d9,var(--deep-ice) 55%,var(--ice));color:var(--navy)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(61,90,128,.45),rgba(224,251,252,.25))}
.ice-crystal{position:absolute;z-index:2;clip-path:polygon(50% 0%,62% 38%,100% 50%,62% 62%,50% 100%,38% 62%,0 50%,38% 38%);background:linear-gradient(160deg,var(--ice),rgba(61,90,128,.55))}
.ice-crystal.c1{width:90px;height:90px;top:90px;left:7%}
.ice-crystal.c2{width:56px;height:56px;top:300px;right:12%}
.ice-crystal.c3{width:130px;height:130px;bottom:120px;right:6%;opacity:.7}
.ice-crystal.c4{width:40px;height:40px;top:150px;right:26%}
.snowflake{position:absolute;z-index:2;color:rgba(255,255,255,.9);font-size:22px;text-shadow:0 0 8px rgba(61,90,128,.3)}
.snowflake::before{content:"✻"}
.snowflake.sf-1{top:120px;left:24%}
.snowflake.sf-2{top:260px;left:40%}
.snowflake.sf-3{top:430px;right:30%}
.snowflake.sf-4{top:200px;right:46%}
.penguin-dot{position:absolute;width:14px;height:18px;border-radius:50% 50% 40% 40%;background:var(--navy);z-index:2}
.penguin-dot::before{content:"";position:absolute;top:3px;left:50%;transform:translateX(-50%);width:6px;height:7px;border-radius:50% 50% 40% 40%;background:#fff}
.penguin-dot.pg-1{top:180px;right:20%}
.penguin-dot.pg-2{top:400px;left:16%}
.penguin-dot.pg-3{bottom:160px;right:34%}
.hero-content{position:relative;z-index:3;padding:130px 0 160px;max-width:740px}
.hero-kicker{font-family:'Rajdhani',sans-serif;font-weight:700;letter-spacing:6px;color:var(--accent);font-size:16px;text-transform:uppercase;margin-bottom:16px}
.hero-content h1{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:78px;line-height:1;letter-spacing:5px;color:var(--navy);margin-bottom:20px;text-transform:uppercase}
.hero-content h1 em{font-style:normal;color:var(--accent)}
.hero-slogan{font-size:17px;color:#4a5a70;max-width:600px;margin-bottom:36px}
.btn{display:inline-block;font-family:'Rajdhani',sans-serif;font-weight:700;letter-spacing:3px;font-size:16px;text-transform:uppercase;padding:15px 40px;background:var(--accent);color:#fff;border-radius:2px;transition:.25s}
.btn:hover{background:var(--navy);transform:translateY(-2px)}
.btn.ghost{background:transparent;border:2px solid rgba(41,50,65,.6);color:var(--navy)}
.btn.ghost:hover{border-color:var(--accent);background:rgba(61,90,128,.1)}
.btn.inline{margin-top:26px;display:inline-block}
.standalone-kicker{font-family:'Rajdhani',sans-serif;font-weight:600;letter-spacing:5px;color:var(--accent);font-size:15px;text-transform:uppercase;margin-bottom:8px;display:block}
.photo-grid img{height:230px;width:100%;object-fit:cover;clip-path:polygon(14% 0,100% 0,100% 78%,86% 100%,0 100%,0 22%);transition:.4s}
.photo-grid a:hover img{transform:translateY(-6px)}
.ice-edge{position:absolute;left:0;right:0;bottom:0;z-index:2}
.ice-edge-1{height:40px;background:var(--frost);clip-path:polygon(0 100%,0 60%,10% 40%,20% 70%,30% 30%,40% 65%,50% 20%,60% 60%,70% 35%,80% 70%,90% 40%,100% 65%,100% 100%)}
.ice-edge-2{height:70px;background:rgba(255,255,255,.85);clip-path:polygon(0 100%,0 45%,14% 25%,28% 55%,42% 15%,56% 50%,70% 30%,84% 60%,100% 35%,100% 100%);opacity:.9}
.frost-pattern{height:12px;background:repeating-linear-gradient(90deg,var(--deep-ice) 0 12px,#fff 12px 26px,var(--frost) 26px 40px);opacity:.6}
.section{padding:90px 0}
.section.frost{background:var(--frost)}
.section.white{background:#fff}
.section-head{margin-bottom:50px;display:flex;justify-content:space-between;align-items:flex-end}
.section-head .head-text .kicker{font-family:'Rajdhani',sans-serif;font-weight:600;letter-spacing:5px;color:var(--accent);font-size:15px;text-transform:uppercase;margin-bottom:8px}
.section-head h2{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:46px;letter-spacing:3px;color:var(--navy);line-height:1.1;text-transform:uppercase}
.section-head h2 span{color:var(--accent)}
.section-head p{color:#5a6a80;max-width:520px}
.grid{display:grid;gap:28px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.expedition-card{background:#fff;box-shadow:0 10px 28px rgba(61,90,128,.16);position:relative;transition:.3s}
.expedition-card::before{content:"";position:absolute;top:-1px;left:20px;right:20px;height:4px;background:var(--accent);clip-path:polygon(0 0,100% 0,88% 100%,12% 100%)}
.expedition-card:hover{transform:translateY(-8px)}
.expedition-card img{height:200px;width:100%;object-fit:cover}
.expedition-card .body{padding:22px}
.expedition-card .tag{font-family:'Rajdhani',sans-serif;font-weight:700;letter-spacing:2px;color:var(--accent);font-size:13px;text-transform:uppercase}
.expedition-card h3{font-size:20px;font-weight:700;margin:8px 0 8px}
.expedition-card p{font-size:14px;color:#5a6a80}
.expedition-card .temp{font-family:'Rajdhani',sans-serif;font-weight:700;color:var(--deep-ice);font-size:15px;margin-top:10px;letter-spacing:2px}
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.about-split .img-wrap{position:relative;clip-path:polygon(14% 0,100% 0,100% 78%,86% 100%,0 100%,0 22%)}
.about-split .img-wrap img{height:420px;object-fit:cover;width:100%}
.about-split h3{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:36px;letter-spacing:2px;color:var(--navy);margin-bottom:16px}
.about-split p{color:#5a6a80;margin-bottom:14px}
.stats{display:flex;gap:34px;margin-top:26px}
.stats .num{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:38px;color:var(--accent)}
.stats .lbl{font-size:13px;color:#5a6a80;letter-spacing:1px}
.quote-band{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.quote-band::before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:480px;height:480px;background:radial-gradient(circle,rgba(152,193,217,.25),transparent 65%)}
.quote-band .inner{padding:80px 0;max-width:840px;text-align:center;margin:auto;position:relative;z-index:2}
.quote-band h2{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:38px;letter-spacing:3px;text-transform:uppercase;margin-bottom:16px;color:var(--ice)}
.quote-band blockquote{font-size:17px;color:#d8e6f0}
.quote-band cite{display:block;margin-top:14px;font-family:'Rajdhani',sans-serif;letter-spacing:2px;color:var(--deep-ice);font-style:normal}
.exp-card{background:var(--white);clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));padding:28px;box-shadow:0 8px 22px rgba(61,90,128,.14)}
.exp-card .ico{font-size:32px;margin-bottom:12px;display:inline-block}
.exp-card h4{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:19px;letter-spacing:1px;color:var(--navy);text-transform:uppercase;margin-bottom:8px}
.exp-card p{font-size:14px;color:#5a6a80}
.blog-card{background:#fff;box-shadow:0 8px 24px rgba(61,90,128,.14);clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%)}
.blog-card img{height:185px;width:100%;object-fit:cover}
.blog-card .body{padding:20px}
.blog-card .date{font-family:'Rajdhani',sans-serif;font-weight:600;letter-spacing:2px;color:var(--accent);font-size:13px;text-transform:uppercase}
.blog-card h3{font-size:18px;margin:8px 0}
.blog-card p{font-size:14px;color:#5a6a80}
.read-more{display:inline-block;margin-top:10px;font-family:'Rajdhani',sans-serif;font-weight:700;letter-spacing:2px;color:var(--accent);text-transform:uppercase;font-size:14px}
.read-more:hover{color:var(--navy)}
.team-card{background:#fff;box-shadow:0 8px 22px rgba(61,90,128,.14);text-align:center;padding-bottom:22px;clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),50% 100%,0 calc(100% - 16px))}
.team-card img{width:100%;height:250px;object-fit:cover}
.team-card h3{font-size:19px;margin-top:14px;font-weight:700}
.team-card .role{font-family:'Rajdhani',sans-serif;font-weight:600;letter-spacing:2px;color:var(--accent);text-transform:uppercase;font-size:13px}
.team-card p{font-size:13px;color:#5a6a80;padding:0 18px;margin-top:8px}
.cta-band{background:linear-gradient(120deg,var(--accent),var(--navy));color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:-40px;top:-40px;width:220px;height:220px;clip-path:polygon(50% 0%,62% 38%,100% 50%,62% 62%,50% 100%,38% 62%,0 50%,38% 38%);background:rgba(224,251,252,.2)}
.cta-band .inner{padding:80px 0;text-align:center;position:relative;z-index:2}
.cta-band h2{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:46px;letter-spacing:4px;text-transform:uppercase;margin-bottom:12px}
.cta-band p{color:#d8e6f0;margin-bottom:28px}
.cta-band .btn{background:var(--ice);color:var(--accent)}
.cta-band .btn:hover{background:#fff}
.banner{position:relative;overflow:hidden;padding:120px 0 100px;background:linear-gradient(160deg,#7fb2d9,var(--deep-ice));color:var(--navy);text-align:center}
.banner img.banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.banner .banner-overlay{position:absolute;inset:0;background:rgba(61,90,128,.35)}
.banner .inner{position:relative;z-index:2}
.banner .crumb{font-family:'Rajdhani',sans-serif;font-weight:700;letter-spacing:5px;color:var(--accent);text-transform:uppercase;font-size:15px}
.banner h1{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:56px;letter-spacing:4px;text-transform:uppercase;margin:10px 0}
.banner p{color:#4a5a70;max-width:640px;margin:auto}
.banner .ice-edge-1,.banner .ice-edge-2{position:absolute;bottom:0}
.prose{max-width:820px;margin:auto}
.prose p{color:#5a6a80;margin-bottom:16px;font-size:16px}
.value-card{background:#fff;padding:34px;box-shadow:0 8px 22px rgba(61,90,128,.14);clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%)}
.value-card .ico{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:36px;color:var(--deep-ice)}
.value-card h3{font-size:20px;font-weight:700;margin:12px 0 8px}
.value-card p{font-size:14px;color:#5a6a80}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.gallery figure{position:relative;overflow:hidden;clip-path:polygon(12% 0,100% 0,100% 80%,88% 100%,0 100%,0 20%)}
.gallery figure img{width:100%;height:340px;object-fit:cover;transition:.4s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:52px 24px 16px;background:linear-gradient(180deg,transparent,rgba(41,50,65,.85));color:#fff}
.gallery figcaption h3{font-family:'Rajdhani',sans-serif;font-weight:700;letter-spacing:2px;text-transform:uppercase}
.gallery figcaption p{font-size:13px;color:#d8e6f0}
.article{display:grid;grid-template-columns:340px 1fr;gap:34px;background:#fff;padding:24px;margin-bottom:30px;box-shadow:0 8px 22px rgba(61,90,128,.12)}
.article img{width:100%;height:220px;object-fit:cover}
.article .meta{font-family:'Rajdhani',sans-serif;font-weight:600;letter-spacing:2px;color:var(--accent);text-transform:uppercase;font-size:13px;margin-bottom:8px}
.article h2{font-size:24px;font-weight:700;margin-bottom:10px}
.article p{font-size:14px;color:#5a6a80;margin-bottom:12px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.info-card{background:var(--navy);color:#fff;padding:38px;clip-path:polygon(0 0,100% 0,100% calc(100% - 20px),calc(100% - 20px) 100%,0 100%)}
.info-card h2{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:34px;letter-spacing:3px;text-transform:uppercase;margin-bottom:24px;color:var(--ice)}
.info-card .item{margin-bottom:20px}
.info-card .item h4{font-family:'Rajdhani',sans-serif;font-size:14px;letter-spacing:2px;color:var(--deep-ice);text-transform:uppercase;margin-bottom:4px}
.info-card .item p{color:#d8e6f0;font-size:15px}
.form-card{background:#fff;padding:38px;box-shadow:0 10px 28px rgba(61,90,128,.14)}
.form-card h2{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:32px;letter-spacing:2px;color:var(--navy);text-transform:uppercase;margin-bottom:22px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;color:#5a6a80;margin-bottom:6px}
.form-group input,.form-group textarea{width:100%;padding:13px 15px;border:1px solid #c5d6e8;background:var(--ice);font-family:inherit;font-size:15px;color:var(--ink);outline:none;transition:.2s}
.form-group input:focus,.form-group textarea:focus{border-color:var(--accent);background:#fff}
.form-group textarea{height:130px;resize:vertical}
.form-card .btn{width:100%;text-align:center;border:none;cursor:pointer}
.map-placeholder{background:repeating-linear-gradient(45deg,var(--ice) 0 14px,var(--frost) 14px 28px);border:1px dashed var(--accent);color:var(--accent);font-family:'Rajdhani',sans-serif;font-weight:600;letter-spacing:3px;display:flex;align-items:center;justify-content:center;min-height:260px;margin-top:48px;text-align:center}
.site-footer{background:var(--navy);color:#d8e6f0;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-grid h4{font-family:'Rajdhani',sans-serif;font-weight:700;color:var(--ice);letter-spacing:2px;text-transform:uppercase;margin-bottom:16px;font-size:16px}
.footer-grid p,.footer-grid li{font-size:14px;margin-bottom:8px;list-style:none}
.footer-grid a:hover{color:var(--deep-ice)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0;text-align:center;font-size:13px}
@media(max-width:768px){
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;top:66px;left:0;right:0;background:var(--ice);flex-direction:column;padding:10px 24px;gap:2px}
  .main-nav.open{display:flex}
  .hero-content{padding:100px 0 140px}
  .hero-content h1{font-size:48px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .grid-3,.grid-4,.grid-2,.about-split,.contact-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .article{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:60px 0}
  .section-head h2{font-size:34px}
  .banner h1{font-size:40px}
}


/* ===== CMS helpers ===== */
.form-alert{padding:12px 16px;border-radius:8px;margin:0 0 16px;font-size:.92rem;line-height:1.6}
.form-alert-ok{background:rgba(46,160,67,.08);border:1px solid rgba(46,160,67,.35);color:#2ea043}
.form-alert-err{background:rgba(220,53,69,.08);border:1px solid rgba(220,53,69,.35);color:#dc3545}
.form-alert ul{margin:0;padding-left:18px}
.cms-pager{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:44px 0 0}
.cms-pager a,.cms-pager span{min-width:38px;padding:8px 13px;border:1px solid rgba(128,128,128,.35);border-radius:6px;text-align:center;text-decoration:none;color:inherit}
.cms-pager .active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.detail-page{max-width:1100px;margin:0 auto;padding:72px 24px}
.detail-media{width:100%;max-height:520px;object-fit:cover;border-radius:14px;margin-bottom:26px;display:block}
.detail-title{font-size:clamp(26px,3vw,38px);line-height:1.3;margin-bottom:12px}
.detail-meta{color:#777;font-size:.95rem;margin-bottom:20px}
.detail-body{line-height:1.9;color:#444}
.detail-body p{margin-bottom:1em}
.detail-body img{max-width:100%;height:auto;border-radius:10px}
.detail-back{display:inline-block;margin-top:28px;padding:11px 26px;border:1px solid rgba(128,128,128,.4);border-radius:999px;text-decoration:none;color:inherit}
/* ===== 深色 banner 标题白字（避免 h1 与背景同色不可读） ===== */
.banner--ink h1,.banner--purple h1,.banner--coral h1{color:#fff}
/* ===== 阅读全文按钮（硬边 neo-brutalist 风格） ===== */
.news-item .more{display:inline-block;margin-top:14px;padding:10px 20px;background:var(--c-ink);color:#fff;border:var(--border-2);box-shadow:var(--shadow-sm);font-family:var(--font-en);font-weight:800;font-size:.85rem;letter-spacing:.02em;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}
.news-item .more:hover{background:var(--c-coral);transform:translate(-2px,-2px);box-shadow:var(--shadow)}
/* ===== 留言板一行一个 input（01 翰墨轩） ===== */
.form-grid{grid-template-columns:1fr}

/* 博客列表 2 列网格（源站横向满宽卡改垂直） */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;max-width:1100px;margin:0 auto}
.news-list .article{grid-template-columns:1fr}
.news-list .article img{height:200px}
.news-list .meta{font-size:11px}
.news-list h2,.news-list h3{font-size:22px;line-height:1.3;margin:6px 0 10px}