/* roulang page: index */
:root{
  --blue:#1C5D7C;--blue-d:#134457;--blue-l:#E8F1F5;
  --amber:#C08A4E;--amber-d:#A9743B;
  --bamboo:#4A7C6F;
  --bg:#F7F9FA;--card:#FFFFFF;--ink:#16232B;--ink2:#5A6B75;--line:#E3E9ED;
  --r-sm:8px;--r:10px;--r-lg:12px;
  --sh:0 2px 8px rgba(20,40,60,.06);
  --sh-h:0 10px 24px rgba(20,40,60,.12);
  --sec:80px;--sec-m:64px;--sec-s:48px;
  --maxw:1200px;
  --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--ff);font-size:16px;line-height:1.75;color:var(--ink);
  background:var(--bg);font-weight:400;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--blue);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--blue-d)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.35;color:var(--ink)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font-family:inherit;font-size:16px;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
table{border-collapse:collapse;width:100%}
.num{font-variant-numeric:tabular-nums}

.site-container{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px}
.grid-container.site-container{padding-left:24px;padding-right:24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .18s ease;white-space:nowrap;text-align:center;
}
.btn--primary{background:var(--amber);color:#fff;border-color:var(--amber)}
.btn--primary:hover{background:var(--amber-d);border-color:var(--amber-d);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--blue);border-color:var(--blue)}
.btn--ghost:hover{background:var(--blue-l);color:var(--blue-d);transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn--light{background:#fff;color:var(--blue-d)}
.btn--light:hover{background:var(--blue-l);color:var(--blue-d)}
.btn-icon{width:16px;height:16px;flex:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,40,60,.08)}
.main-nav{display:flex;align-items:center;gap:28px;height:76px;transition:height .2s ease}
.site-header.is-scrolled .main-nav{height:62px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-icon{width:36px;height:36px;flex:none;color:var(--blue)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink2);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;margin-left:8px}
.nav-links a{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--ink);
  border-radius:var(--r-sm);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--amber);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--blue)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--blue);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);
  align-items:center;justify-content:center;color:var(--ink);flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 通用板块 ---------- */
.sec{padding:var(--sec) 0}
.sec--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec--tight{padding:56px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--blue);
  background:var(--blue-l);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.sec-title{font-size:28px;line-height:1.4;letter-spacing:.2px}
.sec-sub{margin-top:12px;color:var(--ink2);font-size:15px;max-width:760px}
.sec-head--center .sec-sub{margin-left:auto;margin-right:auto}
.sec-more{margin-top:32px;text-align:center}

.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:500;background:var(--blue-l);color:var(--blue);border:1px solid transparent;
}
.tag--line{background:#fff;border-color:var(--line);color:var(--ink2)}
.tag--green{background:#EDF5F1;color:var(--bamboo)}
.tag--amber{background:#FBF1E6;color:var(--amber-d)}
.badge{
  position:absolute;top:12px;left:12px;z-index:2;display:inline-flex;align-items:center;height:24px;
  padding:0 10px;border-radius:6px;font-size:12px;font-weight:600;background:var(--amber);color:#fff;
}
.badge--blue{background:var(--blue)}
.badge--green{background:var(--bamboo)}
.meta{font-size:12px;color:var(--ink2);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.meta .dot{width:3px;height:3px;border-radius:50%;background:#C7D2D9}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh);overflow:hidden;height:100%;transition:box-shadow .18s ease,transform .18s ease;
  display:flex;flex-direction:column;
}
.card:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--blue-l)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.card__desc{font-size:14px;color:var(--ink2);line-height:1.7}
.card__foot{margin-top:auto;padding-top:6px}

/* ---------- 首屏 ---------- */
.hero{position:relative;background:var(--blue-l);overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.86) 46%,rgba(232,241,245,.72) 100%);
}
.hero__inner{position:relative;z-index:1;padding:72px 0 0}
.hero__grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.hero h1{font-size:40px;line-height:1.28;letter-spacing:.2px}
.hero h1 .hl{color:var(--blue);display:block}
.hero__lead{margin-top:18px;font-size:16px;color:var(--ink2);max-width:560px;line-height:1.85}
.hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero__trust{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--ink2)}
.hero__trust li{display:flex;align-items:center;gap:7px}
.hero__trust li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--bamboo);flex:none}
.hero__card{position:relative;background:#fff;border-radius:var(--r-lg);box-shadow:0 16px 40px rgba(20,40,60,.14);overflow:hidden}
.hero__card img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero__card figcaption{padding:16px 20px 18px;font-size:13px;color:var(--ink2)}
.hero__card figcaption strong{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.hero__params{
  position:relative;z-index:1;margin-top:52px;background:#fff;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.hero__param{padding:22px 26px;border-right:1px solid var(--line)}
.hero__param:last-child{border-right:0}
.hero__param dt{font-size:12px;color:var(--ink2);margin-bottom:6px}
.hero__param dd{margin:0;font-size:20px;font-weight:700;color:var(--blue-d);font-variant-numeric:tabular-nums}
.hero__param dd small{font-size:13px;font-weight:500;color:var(--ink2);margin-left:4px}

/* ---------- 卖点三连 ---------- */
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 26px;height:100%;box-shadow:var(--sh);transition:box-shadow .18s ease,transform .18s ease}
.feature:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.feature__icon{width:44px;height:44px;border-radius:var(--r-sm);background:var(--blue-l);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feature h3{font-size:20px;margin-bottom:10px}
.feature p{font-size:14px;color:var(--ink2);line-height:1.75}

/* ---------- 频道入口 ---------- */
.channel{
  display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:22px;height:100%;box-shadow:var(--sh);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.channel:hover{box-shadow:var(--sh-h);transform:translateY(-2px);border-color:#CFE0E8}
.channel__top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.channel__icon{width:38px;height:38px;border-radius:9px;background:var(--blue-l);color:var(--blue);display:flex;align-items:center;justify-content:center}
.channel h3{font-size:17px;margin-top:6px}
.channel p{font-size:13.5px;color:var(--ink2);line-height:1.7}
.channel__link{font-size:13px;font-weight:600;color:var(--amber-d);margin-top:auto}

/* ---------- 场景 tabs ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  height:38px;padding:0 18px;border-radius:999px;background:#fff;border:1px solid var(--line);
  color:var(--ink2);font-size:14px;font-weight:500;transition:all .18s ease;
}
.chip:hover{border-color:#C4D8E2;color:var(--blue)}
.chip.is-active{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.scene{display:none}
.scene.is-active{display:block}
.scene__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.scene__img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh)}
.scene__img img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene__list{display:flex;flex-direction:column;gap:14px;margin:20px 0 24px}
.scene__list li{display:flex;gap:12px;font-size:15px;color:var(--ink2);line-height:1.7}
.scene__list li b{color:var(--ink);font-weight:600}
.scene__no{
  flex:none;width:24px;height:24px;border-radius:50%;background:var(--blue-l);color:var(--blue);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:4px;
}

/* ---------- 实拍长廊 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery figure{margin:0;border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--sh);transition:box-shadow .18s ease,transform .18s ease}
.gallery figure:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery figcaption{padding:14px 16px;font-size:13px;color:var(--ink2)}

/* ---------- 评价 ---------- */
.score{display:flex;flex-wrap:wrap;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;box-shadow:var(--sh);margin-bottom:28px}
.score__num{font-size:32px;font-weight:700;color:var(--amber-d);line-height:1;font-variant-numeric:tabular-nums}
.score__stars{color:var(--amber);letter-spacing:3px;font-size:15px}
.score__txt{font-size:14px;color:var(--ink2)}
.voice{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;height:100%;box-shadow:var(--sh)}
.voice__head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--blue-l);color:var(--blue);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px;flex:none}
.voice__name{font-size:15px;font-weight:600}
.voice p{font-size:14px;color:var(--ink2);line-height:1.75}
.partners{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.partners span{
  font-size:13px;color:#93A3AC;background:#fff;border:1px dashed var(--line);border-radius:var(--r-sm);
  padding:10px 18px;filter:grayscale(1);
}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;box-shadow:var(--sh);text-align:center}
.stat__num{font-size:34px;font-weight:700;color:var(--blue);line-height:1.1;font-variant-numeric:tabular-nums}
.stat__num small{font-size:15px;font-weight:600;margin-left:2px}
.stat__label{margin-top:8px;font-size:13px;color:var(--ink2)}

/* ---------- 对比表 ---------- */
.cmp-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden}
.cmp-table th,.cmp-table td{padding:16px 22px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.cmp-table thead th{background:var(--blue-l);color:var(--blue-d);font-size:14px;font-weight:700;white-space:nowrap}
.cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody th{font-weight:600;color:var(--ink);width:22%}
.cmp-table td.hide-col{color:var(--ink2)}
.cmp-table td.hi{color:var(--blue-d);font-weight:600;background:#F4F9FB}

/* ---------- 茶艺师 ---------- */
.artisan{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);height:100%;transition:box-shadow .18s ease,transform .18s ease}
.artisan:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.artisan img{width:100%;aspect-ratio:1/1;object-fit:cover}
.artisan__body{padding:20px 22px 22px}
.artisan__body h3{font-size:17px;margin:10px 0 8px}
.artisan__body p{font-size:13.5px;color:var(--ink2);line-height:1.7}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.timeline::before{content:"";position:absolute;top:19px;left:4%;right:4%;height:1px;background:var(--line)}
.tl-step{position:relative;padding-top:52px}
.tl-step::before{
  content:attr(data-step);position:absolute;top:0;left:0;width:38px;height:38px;border-radius:50%;
  background:#fff;border:1px solid var(--blue);color:var(--blue);font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;z-index:1;
}
.tl-step h3{font-size:17px;margin-bottom:8px}
.tl-step p{font-size:14px;color:var(--ink2);line-height:1.72}

/* ---------- 资讯 ---------- */
.news-card .card__title{min-height:51px}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink2)}

/* ---------- 榜单 ---------- */
.rank{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden}
.rank li{display:flex;align-items:center;gap:16px;padding:16px 22px;border-bottom:1px solid var(--line);transition:background .18s ease}
.rank li:last-child{border-bottom:0}
.rank li:hover{background:#FAFCFD}
.rank__no{width:26px;height:26px;flex:none;border-radius:7px;background:var(--blue-l);color:var(--blue);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.rank li:nth-child(-n+3) .rank__no{background:var(--amber);color:#fff}
.rank__main{flex:1;min-width:0}
.rank__main a{font-size:15px;font-weight:500;color:var(--ink);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank__main a:hover{color:var(--blue)}
.rank__sub{font-size:12px;color:var(--ink2);margin-top:3px}
.rank__thumb{width:64px;height:42px;border-radius:6px;object-fit:cover;flex:none}
.rank__views{font-size:12px;color:var(--ink2);flex:none;white-space:nowrap;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item:last-child{border-bottom:0}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:0;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;
}
.faq__q:hover{color:var(--blue)}
.faq__mark{position:relative;width:16px;height:16px;flex:none}
.faq__mark::before,.faq__mark::after{content:"";position:absolute;background:var(--blue);border-radius:2px;transition:transform .2s ease}
.faq__mark::before{top:7px;left:0;width:16px;height:2px}
.faq__mark::after{left:7px;top:0;width:2px;height:16px}
.faq__item.is-open .faq__mark::after{transform:rotate(90deg);opacity:0}
.faq__a{display:none;padding:0 24px 22px;font-size:15px;color:var(--ink2);line-height:1.8;max-width:840px}
.faq__item.is-open .faq__a{display:block}

/* ---------- 保障条 ---------- */
.guards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 22px;box-shadow:var(--sh)}
.guard__icon{width:36px;height:36px;border-radius:9px;background:#EDF5F1;color:var(--bamboo);display:flex;align-items:center;justify-content:center;flex:none}
.guard strong{font-size:15px;font-weight:600;display:block}
.guard span{font-size:12.5px;color:var(--ink2)}

/* ---------- 预约表单 & 收口 ---------- */
.book{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(180deg,#1C5D7C 0%,#134457 100%);color:#fff;
}
.book__bg{position:absolute;inset:0;opacity:.22}
.book__bg img{width:100%;height:100%;object-fit:cover}
.book__grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:56px 48px;align-items:center}
.book h2{color:#fff;font-size:28px}
.book p{color:#D8E7EE;font-size:15px;margin-top:14px}
.book__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.book__points span{font-size:13px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:6px 14px;color:#fff}
.form-card{background:#fff;border-radius:var(--r-lg);box-shadow:0 18px 44px rgba(10,30,45,.22);padding:28px}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-tip{font-size:13px;color:var(--ink2);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);padding:11px 14px;font-size:15px;
  background:#fff;transition:border-color .18s ease,box-shadow .18s ease;color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(28,93,124,.12);outline:none}
.field textarea{min-height:82px;resize:vertical}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:12px;color:var(--ink2);margin-top:10px;line-height:1.7}
.form-msg{margin-top:12px;font-size:14px;display:none}
.form-msg.is-ok{display:block;color:var(--bamboo)}
.form-msg.is-err{display:block;color:var(--amber-d)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h3{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--ink)}
.site-footer p,.site-footer li{font-size:13.5px;color:var(--ink2);line-height:1.9}
.site-footer a{color:var(--ink2)}
.site-footer a:hover{color:var(--blue)}
.foot-brand strong{display:block;font-size:17px;color:var(--ink);margin-bottom:4px}
.foot-brand em{display:block;font-style:normal;font-size:12px;color:var(--ink2);margin-bottom:14px}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:12px;font-size:12.5px;color:var(--ink2);
}

/* ---------- 移动端固定转化条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:130;background:#fff;
  border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(20,40,60,.1);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  align-items:center;gap:12px;transform:translateY(110%);transition:transform .25s ease;
}
.mobile-bar.is-visible{transform:translateY(0)}
.mobile-bar__txt{flex:1;min-width:0;font-size:12.5px;color:var(--ink2);line-height:1.4}
.mobile-bar__close{width:32px;height:32px;border:0;background:transparent;color:var(--ink2);font-size:18px;line-height:1;flex:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:34px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .nav-links{
    position:fixed;top:0;left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:88px 24px 24px;gap:6px;margin:0;transform:translateY(-100%);transition:transform .28s ease;
    z-index:110;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateY(0)}
  .nav-links a{font-size:17px;padding:14px 12px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-links a::after{display:none}
  .nav-toggle{display:flex;order:3;margin-left:auto}
  .nav-actions{order:4;margin-left:0}
  .main-nav{gap:14px}
  .nav-actions .btn--ghost{display:none}
  .hero__grid{grid-template-columns:1fr;gap:32px}
  .hero__inner{padding-top:52px}
  .hero h1{font-size:30px}
  .hero__params{grid-template-columns:repeat(2,1fr)}
  .hero__param{border-bottom:1px solid var(--line)}
  .hero__param:nth-child(2n){border-right:0}
  .hero__param:nth-child(n+3){border-bottom:0}
  .scene__grid{grid-template-columns:1fr;gap:26px}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px}
  .timeline::before{display:none}
  .guards{grid-template-columns:repeat(2,1fr)}
  .book__grid{grid-template-columns:1fr;gap:32px;padding:44px 28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  body{padding-bottom:64px}
  .mobile-bar{display:flex}
  .sec-title{font-size:22px}
  .hero h1{font-size:28px}
  .book h2{font-size:22px}
  .cmp-table thead{display:none}
  .cmp-table tbody th{width:auto;display:block;background:#F4F9FB;border-bottom:0;border-radius:8px 8px 0 0;padding-bottom:8px}
  .cmp-table tbody tr{display:block;border:1px solid var(--line);border-radius:8px;margin:12px;background:#fff}
  .cmp-table tbody td{display:flex;justify-content:space-between;gap:14px;border-bottom:1px dashed var(--line);padding:12px 16px}
  .cmp-table tbody td:last-child{border-bottom:0}
  .cmp-table tbody td::before{content:attr(data-th);font-size:13px;color:var(--ink2);font-weight:500;flex:none}
  .cmp-wrap{background:transparent;border:0;box-shadow:none;overflow:visible}
}
@media (max-width:519px){
  :root{--sec:48px}
  .site-container{padding-left:18px;padding-right:18px}
  .grid-container.site-container{padding-left:18px;padding-right:18px}
  .brand-text strong{font-size:15px}
  .brand-text em{font-size:10px}
  .hero h1{font-size:26px}
  .hero__params{grid-template-columns:1fr}
  .hero__param{border-right:0;border-bottom:1px solid var(--line)}
  .hero__param:last-child{border-bottom:0}
  .gallery{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr}
  .guards{grid-template-columns:1fr}
  .field-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .nav-actions .btn--sm,.hero__btns .btn{width:auto}
  .rank__thumb{display:none}
}

/* roulang page: category1 */
:root{
 --blue:#1C5D7C;--blue-d:#134457;--blue-l:#E8F1F5;
 --amber:#C08A4E;--amber-d:#A9743B;
 --bamboo:#4A7C6F;
 --bg:#F7F9FA;--card:#FFFFFF;--ink:#16232B;--ink2:#5A6B75;--line:#E3E9ED;
 --r-sm:8px;--r:10px;--r-lg:12px;
 --sh:0 2px 8px rgba(20,40,60,.06);
 --sh-h:0 10px 24px rgba(20,40,60,.12);
 --sec:80px;--sec-m:64px;--sec-s:48px;
 --maxw:1200px;
 --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;font-family:var(--ff);font-size:16px;line-height:1.75;color:var(--ink);
 background:var(--bg);font-weight:400;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;height:auto}
a{color:var(--blue);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--blue-d)}
button,input,select,textarea{font-family:inherit;font-size:16px;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;line-height:1.4;color:var(--ink)}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.site-container{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px}
.grid-container.site-container{max-width:var(--maxw);padding-left:24px;padding-right:24px}
.grid-margin-x{margin-left:-14px;margin-right:-14px}
.grid-margin-x>.cell{padding-left:14px;padding-right:14px}
.num{font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:44px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
 border:1px solid transparent;transition:all .18s ease;white-space:nowrap;text-align:center;
}
.btn--primary{background:var(--amber);color:#fff;border-color:var(--amber)}
.btn--primary:hover{background:var(--amber-d);border-color:var(--amber-d);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--blue);border-color:var(--blue)}
.btn--ghost:hover{background:var(--blue-l);color:var(--blue-d);transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn-icon{width:16px;height:16px;flex:none}

/* ---------- 头部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--line);
 transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,40,60,.08)}
.main-nav{display:flex;align-items:center;gap:28px;height:76px;transition:height .2s ease}
.site-header.is-scrolled .main-nav{height:62px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-icon{width:36px;height:36px;flex:none;color:var(--blue)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink2);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;margin-left:8px}
.nav-links a{
 position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--ink);
 border-radius:var(--r-sm);
}
.nav-links a::after{
 content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--amber);
 transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--blue)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--blue);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
 display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);
 align-items:center;justify-content:center;color:var(--ink);flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 通用文字与标签 ---------- */
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--blue);
 background:var(--blue-l);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.sec-title{font-size:28px;line-height:1.4;letter-spacing:.2px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-sub{font-size:15px;color:var(--ink2);margin-top:8px;max-width:760px}
.tag{
 display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
 font-size:12px;font-weight:500;background:var(--blue-l);color:var(--blue);border:1px solid transparent;
}
.tag--line{background:#fff;border-color:var(--line);color:var(--ink2)}
.tag--green{background:#EDF5F1;color:var(--bamboo);border-color:#D6E7DF}
.tag--amber{background:#FBF1E6;color:var(--amber-d)}
.badge{
 position:absolute;top:12px;left:12px;z-index:2;display:inline-flex;align-items:center;height:24px;
 padding:0 10px;border-radius:6px;font-size:12px;font-weight:600;background:var(--amber);color:#fff;
}
.badge--blue{background:var(--blue)}
.badge--green{background:var(--bamboo)}
.meta{font-size:12px;color:var(--ink2);display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-variant-numeric:tabular-nums}
.meta .dot{width:3px;height:3px;border-radius:50%;background:#C7D2D9;flex:none}

/* ---------- 卡片 ---------- */
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 box-shadow:var(--sh);overflow:hidden;height:100%;transition:box-shadow .18s ease,transform .18s ease;
 display:flex;flex-direction:column;color:inherit;
}
.card:hover{box-shadow:var(--sh-h);transform:translateY(-2px);color:inherit}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--blue-l)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.card__desc{font-size:14px;color:var(--ink2);line-height:1.7}
.card__foot{margin-top:auto;padding-top:10px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.card__tags{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 分类页头 ---------- */
.category-head{
 position:relative;background:var(--blue-l);border-bottom:1px solid var(--line);overflow:hidden;
 padding:42px 0 34px;
}
.category-head__tex{
 position:absolute;inset:0;z-index:0;background-repeat:no-repeat;background-size:cover;background-position:center;
 opacity:.16;
}
.category-head__tex::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(232,241,245,.95),rgba(232,241,245,.7))}
.category-head__inner{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink2);margin-bottom:16px;flex-wrap:wrap}
.crumbs a{color:var(--ink2)}
.crumbs a:hover{color:var(--blue)}
.crumbs .sep{color:#B9C6CE}
.category-head h1{font-size:34px;line-height:1.3;letter-spacing:.2px;max-width:900px}
.category-head h1 .hl{color:var(--blue)}
.category-lead{margin-top:14px;font-size:16px;color:var(--ink2);max-width:760px}
.category-meta{margin-top:18px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;font-size:12px;color:var(--ink2);font-variant-numeric:tabular-nums}
.category-meta .pill{
 display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
 background:#fff;border:1px solid var(--line);color:var(--ink2);
}

/* ---------- 筛选条 ---------- */
.filter-bar{background:#fff;border-bottom:1px solid var(--line);padding:20px 0}
.filter-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.filter-label{font-size:14px;font-weight:600;color:var(--ink);flex:none}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{
 height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
 font-size:14px;color:var(--ink2);display:inline-flex;align-items:center;gap:6px;
 transition:all .18s ease;
}
.chip:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-l)}
.chip.is-active{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:600}
.filter-count{margin-left:auto;font-size:13px;color:var(--ink2);font-variant-numeric:tabular-nums}

/* ---------- 板块 ---------- */
.section{padding:var(--sec) 0}
.section--tight{padding:56px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tinted{background:var(--blue-l);border-top:1px solid #DBE8EE;border-bottom:1px solid #DBE8EE}
.list-grid>.cell{margin-bottom:28px}
.more-wrap{display:flex;justify-content:center;margin-top:8px}

/* ---------- 横滑 ---------- */
.hscroll{
 display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
 padding:4px 4px 18px;-webkit-overflow-scrolling:touch;
}
.hscroll::-webkit-scrollbar{height:6px}
.hscroll::-webkit-scrollbar-thumb{background:#CBD8DE;border-radius:999px}
.hscroll .card{width:280px;flex:0 0 280px;scroll-snap-align:start}

/* ---------- 长文说明 ---------- */
.longform{max-width:800px}
.longform h2{font-size:26px;margin-bottom:18px}
.longform h3{font-size:19px;margin:28px 0 10px}
.longform p{font-size:16px;color:var(--ink2);line-height:1.9}
.longform strong{color:var(--ink);font-weight:600}

/* ---------- 入口卡 ---------- */
.entry{
 display:flex;flex-direction:column;gap:10px;padding:22px;background:#fff;border:1px solid var(--line);
 border-radius:var(--r);box-shadow:var(--sh);height:100%;transition:box-shadow .18s ease,transform .18s ease;color:inherit;
}
.entry:hover{box-shadow:var(--sh-h);transform:translateY(-2px);color:inherit}
.entry h3{font-size:17px}
.entry p{font-size:14px;color:var(--ink2);margin:0}
.entry .entry-ico{
 width:40px;height:40px;border-radius:10px;background:var(--blue-l);color:var(--blue);
 display:flex;align-items:center;justify-content:center;
}
.entry .entry-ico svg{width:20px;height:20px}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);margin-bottom:12px;overflow:hidden}
.faq-item+.faq-item{margin-top:12px}
.faq-q{
 width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
 padding:18px 22px;background:none;border:0;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q:hover{color:var(--blue)}
.faq-plus{position:relative;width:16px;height:16px;flex:none;transition:transform .22s ease}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--amber);border-radius:2px}
.faq-plus::before{left:0;top:7px;width:16px;height:2px}
.faq-plus::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-plus{transform:rotate(45deg)}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink2)}
.faq-item.is-open .faq-a{display:block}

/* ---------- 转化条 ---------- */
.cta-strip{
 background:var(--blue-l);border:1px solid #D6E5EC;border-radius:14px;
 padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-strip h2{font-size:24px;line-height:1.45;max-width:640px}
.cta-strip p{margin:8px 0 0;font-size:14px;color:var(--ink2)}
.cta-strip__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:56px 0 24px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot-brand strong{display:block;font-size:17px;font-weight:700;color:var(--ink)}
.foot-brand em{display:block;font-style:normal;font-size:12px;color:var(--ink2);margin-top:2px}
.foot-brand p{font-size:14px;color:var(--ink2);margin-top:12px;line-height:1.8;max-width:340px}
.foot-grid h3{font-size:15px;margin-bottom:14px;font-weight:600}
.foot-grid ul{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--ink2)}
.foot-grid ul a{color:var(--ink2)}
.foot-grid ul a:hover{color:var(--blue)}
.foot-bottom{
 margin-top:40px;padding-top:18px;border-top:1px solid var(--line);
 display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13px;color:var(--ink2);
}

/* ---------- 移动端底部转化条 ---------- */
.mobile-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:130;display:none;align-items:center;gap:12px;
 height:56px;padding:0 14px calc(0px + env(safe-area-inset-bottom));
 background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 18px rgba(20,40,60,.08);
 transform:translateY(120%);transition:transform .24s ease;
}
.mobile-cta.is-visible{transform:translateY(0)}
.mobile-cta p{margin:0;font-size:13px;color:var(--ink2);flex:1;line-height:1.3}
.mobile-cta .btn{height:38px;padding:0 16px;font-size:14px}
.mobile-cta__close{
 width:32px;height:32px;flex:none;border:1px solid var(--line);background:#fff;border-radius:8px;
 color:var(--ink2);display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
 :root{--sec:var(--sec-m);--maxw:1080px}
}
@media screen and (max-width:1023px){
 :root{--sec:var(--sec-m)}
 .nav-toggle{display:flex}
 .nav-links{
  display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);
  flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 18px;margin-left:0;
  box-shadow:0 12px 24px rgba(20,40,60,.1);flex:none;
 }
 .nav-links.is-open{display:flex}
 .nav-links a{padding:14px 4px;font-size:16px;border-radius:0;border-bottom:1px solid var(--line)}
 .nav-links li:last-child a{border-bottom:0}
 .nav-links a::after{left:4px;right:auto;width:22px;bottom:10px}
 .nav-actions{gap:8px}
 .nav-actions .btn--ghost{display:none}
 .hero__grid{grid-template-columns:1fr}
 .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:767px){
 :root{--sec:var(--sec-s)}
 .site-container{padding-left:18px;padding-right:18px}
 .grid-container.site-container{padding-left:18px;padding-right:18px}
 .category-head{padding:28px 0 24px}
 .category-head h1{font-size:26px}
 .sec-title{font-size:22px}
 .longform h2{font-size:22px}
 .cta-strip{padding:24px 20px;flex-direction:column;align-items:flex-start}
 .cta-strip__actions{width:100%}
 .cta-strip__actions .btn{width:100%}
 .faq-q{font-size:16px;padding:16px 18px}
 .faq-a{padding:0 18px 18px}
 .filter-count{margin-left:0;width:100%}
}
@media screen and (max-width:559px){
 .brand-text strong{font-size:15px}
 .brand-text em{font-size:10px}
 .nav-actions .btn--primary{height:36px;padding:0 12px;font-size:13px}
 .foot-grid{grid-template-columns:1fr}
 .foot-bottom{flex-direction:column;align-items:flex-start}
 .hscroll .card{width:250px;flex:0 0 250px}
}
@media screen and (max-width:1023px){
 .mobile-cta{display:flex}
 body{padding-bottom:56px}
}
@media print{
 .site-header,.mobile-cta,.cta-strip{display:none}
}