/* roulang page: index */
:root{
  --c-lime:#C6F24E;
  --c-lime-deep:#B2E038;
  --c-orange:#FF7A3C;
  --c-magenta:#FF4D8D;
  --c-dark:#14121B;
  --c-dark-soft:rgba(255,255,255,.06);
  --c-dark-line:rgba(255,255,255,.12);
  --c-bg:#F6F6F2;
  --c-surface:#FFFFFF;
  --c-line:#E4E3DC;
  --c-text:#1B1A22;
  --c-text-2:#5C5A66;
  --c-text-3:#8A8894;
  --c-success:#2FBF71;
  --c-warn:#F0B429;
  --c-error:#E5484D;
  --fs-h1:clamp(30px,4.4vw,46px);
  --fs-h2:clamp(24px,3vw,32px);
  --fs-h3:20px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:12.5px;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-sm:6px;
  --r-input:12px;
  --sd-1:0 2px 8px rgba(20,18,27,.06);
  --sd-2:0 12px 32px rgba(20,18,27,.10);
  --sd-dark:0 12px 30px rgba(0,0,0,.45);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:var(--fs-body);
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:72px;background:var(--c-dark);
  border-bottom:1px solid var(--c-dark-line);
  transition:height .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{height:60px;box-shadow:0 10px 28px rgba(0,0,0,.38);}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:100%;gap:16px;
}
.nav-group{display:flex;align-items:center;gap:6px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.72);border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-lime);border-radius:2px;transform:scaleX(0);
  transform-origin:center;transition:transform .2s ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active::before{
  content:"";width:4px;height:4px;border-radius:50%;background:var(--c-lime);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 10px;border-radius:var(--r-pill);
}
.brand-mark{
  width:28px;height:28px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--c-lime) 0%,var(--c-orange) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(198,242,78,.28);
}
.brand-mark span{
  width:12px;height:12px;border:2.5px solid #14121B;border-radius:3px;
  border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(45deg) translate(-1px,1px);
}
.brand-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:16.5px;font-weight:800;color:#fff;letter-spacing:-.3px;white-space:nowrap;
}
.brand-tag{
  font-size:11px;font-weight:700;line-height:1;padding:4px 7px;border-radius:var(--r-sm);
  background:var(--c-magenta);color:#fff;transform:rotate(-2deg);
}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;
  background:var(--c-dark-soft);border:1px solid var(--c-dark-line);
}
.nav-toggle span{display:block;width:16px;height:2px;background:#fff;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.99);}
.btn-primary{background:var(--c-lime);color:#14121B;border:1px solid var(--c-lime);}
.btn-primary:hover{background:var(--c-lime-deep);border-color:var(--c-lime-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(198,242,78,.35);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px);}
.btn-dark{background:var(--c-dark);color:#fff;border:1px solid var(--c-dark);}
.btn-dark:hover{background:#000;transform:translateY(-2px);box-shadow:0 10px 24px rgba(20,18,27,.28);}
.btn-orange{background:var(--c-orange);color:#fff;border:1px solid var(--c-orange);}
.btn-orange:hover{background:#F26A28;border-color:#F26A28;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,122,60,.32);}
.btn-sm{padding:0 16px;height:32px;font-size:var(--fs-xs);font-weight:700;}
.btn-block{width:100%;}
.nav-cta{height:38px;padding:0 20px;font-size:13.5px;margin-left:8px;}

/* ============ 移动面板 ============ */
.mobile-panel{
  position:fixed;inset:0;z-index:200;
  background:rgba(20,18,27,.97);
  display:flex;flex-direction:column;gap:6px;
  padding:84px 20px 20px;
  transform:translateY(-100%);visibility:hidden;
  transition:transform .3s ease,visibility .3s ease;
}
.mobile-panel.is-open{transform:translateY(0);visibility:visible;}
.mp-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.mp-close{
  width:40px;height:40px;border-radius:10px;color:#fff;font-size:22px;
  background:var(--c-dark-soft);border:1px solid var(--c-dark-line);
}
.mp-link{
  min-height:44px;display:flex;align-items:center;
  padding:0 14px;border-radius:12px;font-size:16px;font-weight:600;
  color:rgba(255,255,255,.82);background:var(--c-dark-soft);
}
.mp-link.is-active{color:#14121B;background:var(--c-lime);}
.mp-foot{margin-top:auto;padding-top:16px;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background-color:var(--c-dark);
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  padding:132px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,27,.92) 0%,rgba(20,18,27,.88) 55%,rgba(20,18,27,.95) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(198,242,78,.12);border:1px solid rgba(198,242,78,.4);
  color:var(--c-lime);font-size:var(--fs-xs);font-weight:700;margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-lime);display:block;}
.hero h1{
  font-size:var(--fs-h1);font-weight:800;line-height:1.18;letter-spacing:-.5px;
  color:#fff;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--c-lime);}
.hero-sub{
  max-width:520px;font-size:16.5px;line-height:1.8;
  color:rgba(255,255,255,.72);margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);}
.trust-item svg{width:20px;height:20px;flex:none;stroke:var(--c-lime);fill:none;stroke-width:1.8;}

.product-card{
  position:relative;background:#fff;border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sd-dark),inset 0 1px 0 rgba(255,255,255,.5);
}
.product-card .badge-new{
  position:absolute;top:14px;right:14px;z-index:3;
  background:var(--c-magenta);color:#fff;font-size:11.5px;font-weight:700;
  padding:5px 11px;border-radius:var(--r-sm);transform:rotate(-2deg);
  box-shadow:0 6px 18px rgba(255,77,141,.35);
}
.product-card .thumb{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:#EFEFE9;
}
.product-card .thumb img{width:100%;height:100%;object-fit:cover;}
.product-body{padding:18px 6px 6px;}
.product-body h3{font-size:18px;font-weight:800;line-height:1.4;margin-bottom:6px;}
.product-body .desc{font-size:13.5px;color:var(--c-text-2);margin-bottom:16px;}
.price-row{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--c-line);}
.price-label{font-size:12.5px;color:var(--c-text-3);margin-bottom:2px;}
.price-value{font-size:22px;font-weight:800;color:var(--c-orange);line-height:1.1;}

/* ============ 数据条 ============ */
.stat-band{padding:56px 0 8px;}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sd-1);
}
.stat-card .k{font-size:var(--fs-xs);color:var(--c-text-3);margin-bottom:8px;letter-spacing:.4px;}
.stat-card .v{font-size:26px;font-weight:800;line-height:1.1;color:var(--c-text);}
.stat-card .v small{font-size:14px;font-weight:600;color:var(--c-text-2);margin-left:4px;}
.stat-card .s{font-size:13px;color:var(--c-text-2);margin-top:8px;}
.stat-card .v.lime{color:#8BB528;}
.stat-card .v.orange{color:var(--c-orange);}

/* ============ 板块通用 ============ */
.section{padding:72px 0;}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-dark{background:var(--c-dark);color:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:var(--fs-h2);font-weight:700;line-height:1.3;letter-spacing:-.4px;}
.sec-head p{font-size:14.5px;color:var(--c-text-2);margin-top:8px;max-width:640px;}
.section-dark .sec-head p{color:rgba(255,255,255,.72);}
.sec-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:#8BB528;}
.sec-more:hover{color:var(--c-lime-deep);}
.section-dark .sec-more{color:var(--c-lime);}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sd-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sd-2);border-color:rgba(198,242,78,.6);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFEFE9;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.badge{
  display:inline-flex;align-items:center;
  font-size:11.5px;font-weight:700;padding:4px 9px;border-radius:var(--r-sm);
}
.badge-cat{background:var(--c-bg);color:var(--c-text);border:1px solid var(--c-line);}
.badge-hot{position:absolute;top:12px;right:12px;background:var(--c-magenta);color:#fff;transform:rotate(-2deg);}
.badge-orange{background:var(--c-orange);color:#fff;}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-size:17px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body .cdesc{
  font-size:13.5px;color:var(--c-text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.tag-line{font-size:12.5px;color:var(--c-text-3);}
.tag-line b{font-size:17px;font-weight:800;color:var(--c-orange);margin-right:4px;}
.card-lg{grid-column:span 2;}
.card-lg .card-cover{aspect-ratio:16/7;}
.card-lg .card-body h3{font-size:21px;-webkit-line-clamp:2;}
.card-lg .card-body{gap:12px;}

/* ============ 节奏时间线 ============ */
.rhythm{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;}
.rhythm-item{
  position:relative;padding:24px 20px 24px 24px;border-radius:var(--r-card);
  background:var(--c-dark-soft);border:1px solid var(--c-dark-line);
}
.rhythm-item .no{
  font-size:26px;font-weight:800;color:var(--c-lime);line-height:1;margin-bottom:12px;
}
.rhythm-item h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px;}
.rhythm-item p{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.75;}

/* ============ CMS 资讯列表 ============ */
.filter-pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.pill{
  padding:8px 18px;border-radius:var(--r-pill);font-size:13.5px;font-weight:600;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text-2);
  transition:all .2s ease;
}
.pill:hover{border-color:rgba(198,242,78,.7);color:var(--c-text);}
.pill.is-active{background:var(--c-lime);border-color:var(--c-lime);color:#14121B;}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sd-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sd-2);border-color:rgba(198,242,78,.6);}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-card h3{
  font-size:16.5px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card h3 a:hover{color:#8BB528;}
.news-card p{
  font-size:13.5px;color:var(--c-text-2);line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--c-line);font-size:12.5px;color:var(--c-text-3);}
.news-link{font-weight:700;color:#8BB528;}
.news-link:hover{color:var(--c-lime-deep);}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 20px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  text-align:center;
}
.news-empty .ico{
  width:52px;height:52px;border-radius:50%;background:var(--c-bg);
  display:flex;align-items:center;justify-content:center;border:1px solid var(--c-line);
}
.news-empty .ico svg{width:24px;height:24px;stroke:var(--c-text-3);fill:none;stroke-width:1.8;}
.news-empty p{font-size:14.5px;color:var(--c-text-2);}

/* ============ 评价轮播 ============ */
.review-wrap{position:relative;}
.review-track{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 340px;scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sd-1);
}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,var(--c-lime),var(--c-orange));
  display:flex;align-items:center;justify-content:center;
  color:#14121B;font-weight:800;font-size:15px;
}
.review-name{font-size:14.5px;font-weight:700;}
.stars{display:flex;gap:2px;margin-top:2px;}
.stars svg{width:13px;height:13px;fill:var(--c-lime);}
.review-card p{font-size:14px;color:var(--c-text-2);line-height:1.8;}
.review-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.9);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sd-2);color:var(--c-text);font-size:16px;
  transition:background .2s ease,transform .2s ease;
}
.review-nav:hover{background:#fff;transform:translateY(-50%) scale(1.06);}
.review-prev{left:-14px;}
.review-next{right:-14px;}

/* ============ 保障条 ============ */
.guarantee{
  background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  padding:44px 0;
}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.g-item{display:flex;gap:14px;align-items:flex-start;}
.g-item svg{width:24px;height:24px;flex:none;stroke:#8BB528;fill:none;stroke-width:1.8;margin-top:3px;}
.g-item h3{font-size:15.5px;font-weight:700;margin-bottom:4px;}
.g-item p{font-size:13px;color:var(--c-text-2);line-height:1.7;}

/* ============ FAQ ============ */
.faq-list{max-width:840px;margin:0 auto;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sd-1);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:700;color:var(--c-text);
  transition:background .2s ease;
}
.faq-q:hover{background:#FAFAF7;}
.faq-icon{
  width:26px;height:26px;flex:none;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:400;line-height:1;color:var(--c-text-2);
  transition:transform .24s ease,border-color .24s ease,color .24s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--c-lime);color:#8BB528;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2);}

/* ============ CTA 大条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background-color:var(--c-dark);
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:80px 0;
  text-align:center;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(20,18,27,.9);}
.cta-band .container{position:relative;z-index:2;}
.cta-band h2{font-size:var(--fs-h2);font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:-.4px;}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.72);max-width:600px;margin:0 auto 30px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid var(--c-dark-line);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:16px;}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.3px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer-col a:hover{color:var(--c-lime);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0;font-size:12.5px;color:rgba(255,255,255,.48);flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .card-grid{gap:20px;}
  .news-list{gap:20px;}
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero{padding:120px 0 64px;}
  .hero-sub{max-width:none;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .card-lg{grid-column:span 2;}
  .card-lg .card-cover{aspect-ratio:16/9;}
  .rhythm{grid-template-columns:1fr;}
  .news-list{grid-template-columns:repeat(2,1fr);}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .review-nav{display:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-left,.nav-right{display:none;}
  .nav-wrap{grid-template-columns:40px 1fr 40px;}
  .nav-toggle{display:flex;}
  .brand{justify-content:center;grid-column:2;}
  .brand-text{font-size:15px;}
  .site-header{height:60px;}
  .hero{padding:96px 0 56px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;padding:14px 20px;}
  .section{padding:52px 0;}
  .stat-band{padding:40px 0 0;}
  .card-grid,.news-list{grid-template-columns:1fr;}
  .card-lg{grid-column:span 1;}
  .card-lg .card-cover{aspect-ratio:16/10;}
  .card-lg .card-body h3{font-size:18px;}
  .guarantee-grid{grid-template-columns:1fr;gap:20px;}
  .review-card{flex:0 0 82vw;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-q{font-size:15.5px;padding:18px 16px;}
  .faq-a p{padding:0 16px 18px;}
  .news-card,.card-body{padding:16px;}
}
@media (max-width:520px){
  .brand-tag{display:none;}
  .stat-grid{grid-template-columns:1fr;}
  .eyebrow{font-size:12px;}
  .sec-head{margin-bottom:24px;}
}

/* roulang page: article */
:root{
  --c-lime:#C6F24E;
  --c-lime-soft:rgba(198,242,78,.30);
  --c-orange:#FF7A3C;
  --c-magenta:#FF4D8D;
  --c-dark:#14121B;
  --c-dark-2:rgba(255,255,255,.06);
  --c-dark-line:rgba(255,255,255,.12);
  --c-bg:#F6F6F2;
  --c-card:#FFFFFF;
  --c-line:#E4E3DC;
  --c-text:#1B1A22;
  --c-text-2:#5C5A66;
  --c-text-3:#8A8894;
  --c-ok:#2FBF71;
  --c-warn:#F0B429;
  --c-err:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-badge:6px;
  --sd-1:0 2px 8px rgba(20,18,27,.06);
  --sd-2:0 12px 32px rgba(20,18,27,.10);
  --sd-dark:0 12px 30px rgba(0,0,0,.45);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-dark);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(0,0,0,.38);}
.nav-wrap{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:16px;transition:height .2s ease;
}
.site-header.is-scrolled .nav-wrap{height:60px;}
.nav-group{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:rgba(255,255,255,.72);
  padding:6px 0;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--c-lime);border-radius:2px;transition:width .2s ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{
  content:"";position:absolute;left:50%;bottom:-9px;width:4px;height:4px;border-radius:50%;
  background:var(--c-lime);transform:translateX(-50%);
}
.brand{
  position:absolute;left:50%;transform:translateX(-50%);
  display:inline-flex;align-items:center;gap:10px;
}
.brand-mark{
  width:28px;height:28px;border-radius:8px;flex:0 0 28px;
  background:linear-gradient(135deg,var(--c-lime),var(--c-orange));
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark span{
  width:11px;height:11px;border-radius:3px;background:var(--c-dark);
  transform:rotate(45deg);display:block;
}
.brand-text{
  font-size:17px;font-weight:700;color:#fff;letter-spacing:-.2px;white-space:nowrap;
  display:inline-flex;align-items:center;gap:6px;
}
.brand-tag{
  font-size:11px;font-weight:700;line-height:1;padding:4px 6px;border-radius:6px;
  background:var(--c-lime);color:#14121B;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;font-size:15px;
  padding:14px 28px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn:active{transform:scale(.99);}
.btn-primary{background:var(--c-lime);color:#14121B;}
.btn-primary:hover{
  filter:brightness(.94);transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(198,242,78,.35);
}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:#fff;}
.btn-dark{background:var(--c-dark);color:#fff;padding:12px 24px;font-size:14.5px;}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(20,18,27,.28);}
.btn-orange{background:var(--c-orange);color:#fff;padding:12px 24px;font-size:14.5px;}
.btn-orange:hover{filter:brightness(.95);transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,122,60,.35);}
.nav-cta{padding:10px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;border-radius:2px;background:#fff;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{position:relative;}
.nav-toggle span::before{position:absolute;top:-6px;left:0;}
.nav-toggle span::after{position:absolute;top:6px;left:0;}
body.nav-open{overflow:hidden;}

/* ---------- 文章头部暗区 ---------- */
.article-band{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(20,18,27,.88),rgba(20,18,27,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.article-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.article-band .container{position:relative;z-index:1;padding-top:34px;padding-bottom:44px;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:nowrap;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:20px;overflow:hidden;
}
.breadcrumb a{color:rgba(255,255,255,.62);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-lime);}
.breadcrumb .sep{color:rgba(255,255,255,.32);}
.breadcrumb .crumb-cur{
  color:rgba(255,255,255,.85);max-width:340px;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;
}
.article-title{
  font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.2;letter-spacing:-.5px;
  max-width:900px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:22px;
  font-size:13.5px;color:rgba(255,255,255,.72);
}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-badge);
  background:var(--c-bg);color:#1B1A22;font-size:12.5px;font-weight:600;
}
.badge-lime{background:var(--c-lime);color:#14121B;}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35);}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 8px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:44px;align-items:start;
}
.article-panel{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sd-1);padding:34px 36px 30px;min-width:0;
}
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:#26242E;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,27px);font-weight:700;line-height:1.35;
  margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  background:var(--c-lime);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:700;margin:1.8em 0 .7em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--c-lime);border:1px solid rgba(20,18,27,.12);
}
.article-body ol{counter-reset:artOl;}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:.5em;counter-increment:artOl;}
.article-body ol li::before{
  content:counter(artOl);position:absolute;left:0;top:.28em;width:20px;height:20px;
  border-radius:6px;background:rgba(198,242,78,.25);color:#1B1A22;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--c-bg);
  border-left:4px solid var(--c-orange);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;width:100%;}
.article-body figcaption{
  font-size:13px;color:var(--c-text-3);text-align:center;margin:-1em 0 1.6em;
}
.article-body a{color:#1B1A22;border-bottom:1px solid var(--c-lime);}
.article-body a:hover{color:var(--c-orange);}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;
  border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;
  font-size:14.5px;
}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--c-line);}
.article-body thead th{background:var(--c-bg);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FBFAF6;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:6px;
  padding:2px 6px;font-size:14px;
}

/* 空态 */
.article-empty{
  text-align:center;padding:56px 20px;border:1px dashed var(--c-line);border-radius:var(--r-card);
  background:#FBFAF6;
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;
  background:rgba(198,242,78,.3);display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:800;color:#14121B;
}
.article-empty h2{font-size:22px;font-weight:700;margin-bottom:8px;}
.article-empty p{color:var(--c-text-2);margin-bottom:20px;}

/* 标签 / 底部操作 */
.article-tags{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:34px;padding-top:22px;border-top:1px solid var(--c-line);
}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-bg);border:1px solid var(--c-line);font-size:12.5px;color:var(--c-text-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{border-color:var(--c-lime-soft);color:#1B1A22;transform:translateY(-2px);}
.article-pager{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px;
}
.pager-card{
  border:1px solid var(--c-line);border-radius:var(--r-img);padding:14px 16px;background:#FBFAF6;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pager-card:hover{border-color:var(--c-lime-soft);transform:translateY(-2px);box-shadow:var(--sd-1);}
.pager-label{font-size:12.5px;color:var(--c-text-3);display:block;margin-bottom:4px;}
.pager-title{font-size:14.5px;font-weight:600;line-height:1.5;}
.article-foot{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;min-width:0;}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sd-1);padding:22px;
}
.side-title{
  font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:16px;
}
.side-title::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--c-lime);
  transform:rotate(45deg);display:block;
}
.hot-list li+li{margin-top:14px;padding-top:14px;border-top:1px dashed var(--c-line);}
.hot-item{display:flex;gap:12px;align-items:flex-start;}
.hot-num{
  font-size:20px;font-weight:800;color:var(--c-lime);line-height:1;
  text-shadow:0 0 0 transparent;
}
.hot-title{
  font-size:14.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hot-item:hover .hot-title{color:var(--c-orange);}
.cat-list li+li{margin-top:10px;}
.cat-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:11px;background:var(--c-bg);border:1px solid transparent;
  font-size:14.5px;transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.cat-link:hover{border-color:var(--c-lime-soft);background:#fff;transform:translateX(2px);}
.cat-link span.arrow{color:var(--c-orange);font-weight:700;}
.side-cta{
  position:relative;overflow:hidden;border-radius:var(--r-card);color:#fff;padding:26px 22px;
  background-image:linear-gradient(160deg,rgba(20,18,27,.92),rgba(20,18,27,.98)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;box-shadow:var(--sd-dark);
  border:1px solid rgba(255,255,255,.10);
}
.side-cta h3{font-size:19px;font-weight:700;line-height:1.4;margin-bottom:10px;}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.side-cta .btn{width:100%;padding:12px 18px;font-size:14.5px;}

/* ---------- 相关推荐 ---------- */
.section{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;
}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;}
.section-title em{font-style:normal;color:var(--c-orange);}
.section-sub{font-size:14.5px;color:var(--c-text-2);margin-top:8px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:#1B1A22;
  transition:gap .2s ease,color .2s ease;
}
.link-more:hover{gap:11px;color:var(--c-orange);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sd-1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sd-2);border-color:var(--c-lime-soft);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDECE6;}
.card-media img{width:100%;height:100%;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-badge{
  position:absolute;top:12px;right:12px;z-index:2;
  background:var(--c-magenta);color:#fff;font-size:12px;font-weight:700;line-height:1;
  padding:6px 9px;border-radius:var(--r-badge);transform:rotate(-2deg);
  box-shadow:0 6px 14px rgba(255,77,141,.3);
}
.card-badge.is-orange{background:var(--c-orange);box-shadow:0 6px 14px rgba(255,122,60,.3);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{
  font-size:16.5px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:13.6px;color:var(--c-text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px dashed var(--c-line);
}
.price{font-size:19px;font-weight:800;color:var(--c-orange);line-height:1;}
.price small{font-size:12.5px;font-weight:600;color:var(--c-text-3);margin-left:6px;}
.mini-btn{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-dark);color:#fff;font-size:12.5px;font-weight:700;
  transition:background .2s ease,transform .2s ease;
}
.mini-btn:hover{background:var(--c-orange);transform:translateY(-1px);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;margin-top:8px;
  background-image:linear-gradient(180deg,rgba(20,18,27,.9),rgba(20,18,27,.96)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-radius:24px;padding:64px 24px;text-align:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 2px,transparent 2px 22px);
}
.cta-inner{position:relative;z-index:1;max-width:660px;margin:0 auto;}
.cta-band h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.28;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.74);font-size:15.5px;margin-bottom:28px;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;background:var(--c-dark);color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.10);padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{font-size:16px;}
.footer-desc{font-size:13.6px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h3{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-col ul li+li{margin-top:10px;}
.footer-col a{font-size:13.8px;color:rgba(255,255,255,.62);transition:color .2s ease;}
.footer-col a:hover{color:var(--c-lime);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .article-panel{padding:28px 24px 24px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-toggle{display:flex;z-index:90;position:relative;}
  .nav-wrap{gap:10px;}
  .brand{position:static;transform:none;}
  .brand-text{font-size:15px;}
  .nav-group{display:none;}
  .nav-wrap.is-open{
    position:fixed;inset:0;z-index:100;height:100%;flex-direction:column;
    align-items:stretch;justify-content:flex-start;gap:0;
    background:rgba(20,18,27,.96);padding:14px 20px 26px;overflow-y:auto;
  }
  .nav-wrap.is-open .brand{height:52px;display:flex;align-items:center;}
  .nav-wrap.is-open .nav-toggle{position:absolute;top:16px;right:16px;}
  .nav-wrap.is-open .nav-toggle span{background:transparent;}
  .nav-wrap.is-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
  .nav-wrap.is-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}
  .nav-wrap.is-open .nav-group{display:flex;flex-direction:column;align-items:stretch;gap:0;}
  .nav-wrap.is-open .nav-link{
    height:44px;display:flex;align-items:center;font-size:16px;color:#fff;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .nav-wrap.is-open .nav-link::after,.nav-wrap.is-open .nav-link::before{display:none;}
  .nav-wrap.is-open .nav-right{margin-top:0;border-top:1px solid rgba(255,255,255,.08);}
  .nav-wrap.is-open .nav-cta{width:100%;margin-top:22px;padding:15px 20px;font-size:16px;}
  .article-band .container{padding-top:24px;padding-bottom:32px;}
  .article-title{font-size:26px;}
  .breadcrumb .crumb-cur{max-width:160px;}
  .article-main{padding:36px 0 0;}
  .article-panel{padding:22px 18px 20px;}
  .article-pager{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-band{padding:48px 20px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --c-lime:#C6F24E;
  --c-lime-soft:rgba(198,242,78,.30);
  --c-orange:#FF7A3C;
  --c-pink:#FF4D8D;
  --c-ink:#14121B;
  --c-ink-2:rgba(255,255,255,.06);
  --c-ink-line:rgba(255,255,255,.12);
  --c-bg:#F6F6F2;
  --c-surface:#FFFFFF;
  --c-line:#E4E3DC;
  --c-line-soft:#EFEEE8;
  --c-text:#1B1A22;
  --c-text-2:#5C5A66;
  --c-text-3:#8A8894;
  --c-ink-text:#FFFFFF;
  --c-ink-text-2:rgba(255,255,255,.72);
  --c-ok:#2FBF71;
  --c-warn:#F0B429;
  --c-err:#E5484D;
  --fs-h1:clamp(30px,4.4vw,46px);
  --fs-h2:clamp(24px,3vw,32px);
  --fs-h3:20px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:12.5px;
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:72px;
  --sp-7:96px;
  --sd-1:0 2px 8px rgba(20,18,27,.06);
  --sd-2:0 12px 32px rgba(20,18,27,.10);
  --sd-dark:0 12px 30px rgba(0,0,0,.45);
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-badge:6px;
  --r-input:12px;
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:var(--fs-body);
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 var(--sp-3);}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--c-ink);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(0,0,0,.35);}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:var(--sp-2);
  min-height:72px;
  transition:min-height .25s ease;
}
.site-header.is-stuck .nav-wrap{min-height:60px;}
.nav-group{display:flex;align-items:center;gap:var(--sp-3);}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-text-2);
  padding:6px 2px;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-4px;
  width:0;
  height:2px;
  background:var(--c-lime);
  border-radius:2px;
  transition:width .2s ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{
  content:"";
  position:absolute;
  left:50%;
  bottom:-12px;
  width:4px;
  height:4px;
  margin-left:-2px;
  border-radius:50%;
  background:var(--c-lime);
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:28px;
  height:28px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--c-lime),var(--c-orange));
  position:relative;
  flex:0 0 auto;
  box-shadow:0 4px 14px rgba(198,242,78,.28);
}
.brand-mark span{
  position:absolute;
  inset:8px 7px;
  border:2px solid var(--c-ink);
  border-radius:3px;
  transform:rotate(-12deg);
}
.brand-text{
  font-size:17px;
  font-weight:800;
  color:#fff;
  letter-spacing:.2px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.brand-tag{
  font-size:11.5px;
  font-weight:700;
  color:var(--c-ink);
  background:var(--c-lime);
  border-radius:var(--r-badge);
  padding:2px 6px;
  line-height:1.4;
  letter-spacing:0;
}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--c-ink-line);
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:#fff;
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:#fff;
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  font-weight:700;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease,color .2s ease;
}
.btn-primary{
  background:var(--c-lime);
  color:var(--c-ink);
  padding:14px 28px;
  font-size:15px;
  box-shadow:0 6px 18px rgba(198,242,78,.22);
}
.btn-primary:hover{
  filter:brightness(.94);
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(198,242,78,.35);
}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-ghost{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.35);
  padding:13px 26px;
  font-size:15px;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.9);
  transform:translateY(-2px);
}
.btn-dark{
  background:var(--c-ink);
  color:#fff;
  padding:14px 28px;
  font-size:15px;
}
.btn-dark:hover{transform:translateY(-2px);box-shadow:var(--sd-2);}
.btn-orange{
  background:var(--c-orange);
  color:#fff;
  padding:13px 26px;
  font-size:15px;
}
.btn-orange:hover{filter:brightness(.94);transform:translateY(-2px);}
.btn-sm{
  height:32px;
  padding:0 16px;
  font-size:var(--fs-xs);
  font-weight:700;
  border-radius:var(--r-pill);
  background:var(--c-ink);
  color:#fff;
}
.btn-sm:hover{background:var(--c-lime);color:var(--c-ink);}
.nav-cta{padding:10px 20px;font-size:14px;}

/* ---------- Page banner ---------- */
.page-banner{
  position:relative;
  background-color:var(--c-ink);
  background-image:linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(115deg,rgba(20,18,27,.94),rgba(20,18,27,.86)),url("/assets/images/backpic/back-1.png");
  background-size:56px 56px,56px 56px,cover,cover;
  background-position:center,center,center,center;
  padding:var(--sp-6) 0;
  overflow:hidden;
}
.page-banner::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--c-lime-soft),transparent);
}
.banner-inner{
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:var(--sp-5);
  align-items:center;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:var(--fs-sm);
  color:var(--c-ink-text-2);
  margin-bottom:var(--sp-3);
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--c-ink-text-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-lime);}
.breadcrumb span[aria-current]{color:#fff;}
.page-banner h1{
  font-size:var(--fs-h1);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.5px;
  color:#fff;
}
.page-banner h1 em{
  font-style:normal;
  color:var(--c-lime);
  position:relative;
}
.banner-sub{
  margin-top:var(--sp-2);
  font-size:var(--fs-body);
  color:var(--c-ink-text-2);
  max-width:560px;
}
.banner-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:var(--sp-3);
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:var(--fs-xs);
  font-weight:700;
  padding:6px 12px;
  border-radius:var(--r-pill);
  background:var(--c-ink-2);
  border:1px solid var(--c-ink-line);
  color:#fff;
}
.chip-lime{background:var(--c-lime);color:var(--c-ink);border-color:transparent;}
.banner-card{
  background:var(--c-ink-2);
  border:1px solid var(--c-ink-line);
  border-radius:var(--r-card);
  padding:12px;
  box-shadow:var(--sd-dark);
  backdrop-filter:blur(4px);
}
.banner-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
}
.banner-card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 6px 4px;
}
.banner-card-foot span{
  font-size:var(--fs-xs);
  color:var(--c-ink-text-2);
}
.banner-card-foot strong{
  font-size:20px;
  font-weight:800;
  color:var(--c-lime);
  font-variant-numeric:tabular-nums;
}

/* ---------- Sections ---------- */
.section{padding:var(--sp-6) 0;}
.section-tight{padding:var(--sp-5) 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--sp-3);
  margin-bottom:var(--sp-4);
  flex-wrap:wrap;
}
.section-title{
  font-size:var(--fs-h2);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.3px;
}
.section-sub{
  margin-top:8px;
  font-size:var(--fs-sm);
  color:var(--c-text-2);
  max-width:640px;
}
.section-link{
  font-size:var(--fs-sm);
  font-weight:700;
  color:var(--c-text);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s ease,gap .2s ease;
}
.section-link::after{content:"→";color:var(--c-orange);}
.section-link:hover{color:var(--c-orange);gap:10px;}

/* ---------- Spec bar ---------- */
.spec-wrap{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sd-1);
  padding:var(--sp-3) var(--sp-2);
}
.spec-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.spec-item{
  padding:6px var(--sp-3);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  gap:4px;
}
.spec-item:last-child{border-right:0;}
.spec-num{
  font-size:24px;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--c-ink);
  font-variant-numeric:tabular-nums;
}
.spec-num small{font-size:13px;font-weight:700;color:var(--c-text-2);margin-left:4px;}
.spec-label{font-size:var(--fs-xs);color:var(--c-text-2);}
.spec-note{
  margin-top:var(--sp-2);
  padding-top:var(--sp-2);
  border-top:1px dashed var(--c-line);
  font-size:var(--fs-xs);
  color:var(--c-text-3);
}

/* ---------- Card grid ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--sp-3);
}
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sd-1);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sd-2);
  border-color:var(--c-lime-soft);
}
.card-media{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-img);
  margin:12px 12px 0;
  background:var(--c-line-soft);
}
.card-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .3s ease;
}
.card:hover .card-media img{transform:scale(1.04);}
.corner-tag{
  position:absolute;
  top:10px;
  right:10px;
  z-index:2;
  font-size:var(--fs-xs);
  font-weight:700;
  color:#fff;
  padding:4px 10px;
  border-radius:var(--r-badge);
  transform:rotate(-2deg);
  background:var(--c-pink);
  box-shadow:0 6px 14px rgba(255,77,141,.35);
}
.corner-tag.tag-orange{background:var(--c-orange);box-shadow:0 6px 14px rgba(255,122,60,.35);}
.card-body{
  padding:var(--sp-2) 20px 20px;
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1;
}
.card-title{
  font-size:17px;
  font-weight:700;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-desc{
  font-size:var(--fs-sm);
  color:var(--c-text-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:var(--sp-2);
  border-top:1px solid var(--c-line-soft);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.price{
  font-size:19px;
  font-weight:800;
  color:var(--c-orange);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.price small{
  display:block;
  font-size:var(--fs-xs);
  font-weight:600;
  color:var(--c-text-3);
}
.badge{
  display:inline-flex;
  align-items:center;
  font-size:var(--fs-xs);
  font-weight:700;
  padding:4px 9px;
  border-radius:var(--r-badge);
  background:var(--c-bg);
  color:var(--c-text-2);
  border:1px solid var(--c-line);
}

/* ---------- Checklist ---------- */
.check-panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sd-1);
  padding:var(--sp-4) var(--sp-3);
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:var(--sp-2) var(--sp-4);
}
.check-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:10px 0;
  border-bottom:1px solid var(--c-line-soft);
}
.check-item:nth-last-child(-n+2){border-bottom:0;}
.check-icon{
  flex:0 0 auto;
  width:24px;
  height:24px;
  border-radius:50%;
  border:2px solid var(--c-lime);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:3px;
}
.check-icon::after{
  content:"";
  width:8px;
  height:4px;
  border-left:2px solid var(--c-lime);
  border-bottom:2px solid var(--c-lime);
  transform:rotate(-45deg) translate(0,-1px);
}
.check-item h3{font-size:15px;font-weight:700;margin-bottom:2px;}
.check-item p{font-size:var(--fs-sm);color:var(--c-text-2);line-height:1.7;}

/* ---------- Guarantee strip ---------- */
.guarantee{
  background:#F1F1EA;
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:var(--sp-4) 0;
}
.guarantee-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--sp-3);
}
.guarantee-item{display:flex;gap:12px;align-items:flex-start;}
.guarantee-icon{
  flex:0 0 auto;
  width:24px;
  height:24px;
  border-radius:7px;
  background:var(--c-ink);
  position:relative;
  margin-top:2px;
}
.guarantee-icon::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:2px;
  background:var(--c-lime);
}
.guarantee-item h3{font-size:15px;font-weight:700;}
.guarantee-item p{font-size:var(--fs-xs);color:var(--c-text-2);line-height:1.7;}

/* ---------- Pagination ---------- */
.pagination{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin-top:var(--sp-4);
  flex-wrap:wrap;
}
.page-btn{
  min-width:40px;
  height:40px;
  padding:0 14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  font-size:var(--fs-sm);
  font-weight:700;
  color:var(--c-text-2);
  transition:all .2s ease;
}
.page-btn:hover{border-color:var(--c-lime);color:var(--c-text);transform:translateY(-2px);}
.page-btn.is-current{
  background:var(--c-lime);
  border-color:var(--c-lime);
  color:var(--c-ink);
}
.page-btn.is-disabled{opacity:.45;cursor:not-allowed;}
.page-btn.is-disabled:hover{transform:none;border-color:var(--c-line);color:var(--c-text-2);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--c-ink);
  background-image:linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px,48px 48px;
  padding:64px 0;
  text-align:center;
}
.cta-band h2{
  font-size:var(--fs-h2);
  font-weight:700;
  color:#fff;
  line-height:1.3;
  letter-spacing:-.3px;
}
.cta-band p{
  margin-top:12px;
  color:var(--c-ink-text-2);
  font-size:var(--fs-sm);
  max-width:620px;
  margin-left:auto;
  margin-right:auto;
}
.cta-band .btn{margin-top:var(--sp-3);}
.cta-line{
  width:56px;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--c-lime),var(--c-orange));
  margin:0 auto var(--sp-3);
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-ink);
  color:var(--c-ink-text-2);
  padding:var(--sp-6) 0 var(--sp-3);
  border-top:1px solid var(--c-ink-line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:var(--sp-4);
  padding-bottom:var(--sp-4);
  border-bottom:1px solid var(--c-ink-line);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-brand .brand-text{font-size:16px;}
.footer-desc{font-size:var(--fs-sm);line-height:1.8;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:var(--sp-2);
  letter-spacing:.4px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:var(--fs-sm);
  color:rgba(255,255,255,.62);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--c-lime);padding-left:4px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-2);
  padding-top:var(--sp-3);
  font-size:var(--fs-xs);
  color:rgba(255,255,255,.45);
  flex-wrap:wrap;
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .card-grid{gap:20px;}
  .spec-item{padding:6px 20px;}
}
@media (max-width:1023px){
  .banner-inner{grid-template-columns:1fr;}
  .banner-card{max-width:520px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);gap:var(--sp-3) var(--sp-2);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-3);}
  .footer-desc{max-width:none;}
  .spec-bar{grid-template-columns:repeat(2,1fr);}
  .spec-item:nth-child(2){border-right:0;}
  .spec-item:nth-child(1),
  .spec-item:nth-child(2){border-bottom:1px solid var(--c-line);padding-bottom:16px;}
  .spec-item:nth-child(3),
  .spec-item:nth-child(4){padding-top:16px;}
  .check-panel{grid-template-columns:1fr;}
  .check-item:nth-last-child(-n+2){border-bottom:1px solid var(--c-line-soft);}
  .check-item:last-child{border-bottom:0;}
}
@media (max-width:767px){
  .container{padding:0 var(--sp-2);}
  .nav-wrap{grid-template-columns:auto 1fr;min-height:60px;gap:12px;}
  .brand{order:-1;}
  .brand-text{font-size:15px;}
  .nav-toggle{display:flex;order:2;justify-self:end;}
  .nav-group{display:none;}
  .nav-right .nav-cta{display:none;}
  body.nav-open .nav-wrap{
    position:fixed;
    inset:0;
    z-index:90;
    background:rgba(20,18,27,.96);
    display:flex;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    padding:76px 20px 24px;
    gap:0;
    overflow-y:auto;
    backdrop-filter:blur(6px);
  }
  body.nav-open .brand{order:0;margin-bottom:8px;}
  body.nav-open .nav-toggle{position:fixed;top:12px;right:16px;z-index:100;}
  body.nav-open .nav-group{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  body.nav-open .nav-link{
    height:44px;
    display:flex;
    align-items:center;
    font-size:16px;
    color:rgba(255,255,255,.85);
    border-bottom:1px solid var(--c-ink-line);
  }
  body.nav-open .nav-link::after,
  body.nav-open .nav-link::before{display:none;}
  body.nav-open .nav-link.is-active{color:var(--c-lime);}
  body.nav-open .nav-right .nav-cta{
    display:inline-flex;
    width:100%;
    margin-top:20px;
    padding:14px 20px;
    font-size:15px;
  }
  .page-banner{padding:var(--sp-5) 0;}
  .banner-meta{gap:8px;}
  .section{padding:var(--sp-5) 0;}
  .section-head{margin-bottom:var(--sp-3);}
  .card-grid{grid-template-columns:1fr;}
  .card-body{padding:var(--sp-2) var(--sp-2) 18px;}
  .check-panel{padding:var(--sp-3) var(--sp-2);}
  .guarantee-grid{grid-template-columns:1fr 1fr;gap:20px 16px;}
  .cta-band{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-3);}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .spec-bar{grid-template-columns:1fr;}
  .spec-item{border-right:0;border-bottom:1px solid var(--c-line);padding:14px 4px;}
  .spec-item:last-child{border-bottom:0;}
  .spec-item:nth-child(2){border-bottom:1px solid var(--c-line);}
}
@media (max-width:520px){
  .btn-primary,.btn-ghost,.btn-dark{padding:13px 22px;font-size:14.5px;}
  .guarantee-grid{grid-template-columns:1fr;}
  .card-foot{flex-direction:row;align-items:center;}
  .banner-card-foot strong{font-size:18px;}
}

/* roulang page: category3 */
:root{
  --c-lime:#C6F24E;
  --c-lime-deep:#5E7A16;
  --c-orange:#FF7A3C;
  --c-magenta:#FF4D8D;
  --c-dark:#14121B;
  --c-dark-soft:rgba(255,255,255,.06);
  --c-dark-line:rgba(255,255,255,.12);
  --c-light:#F6F6F2;
  --c-card:#FFFFFF;
  --c-line:#E4E3DC;
  --c-text:#1B1A22;
  --c-text-2:#5C5A66;
  --c-text-3:#8A8894;
  --c-ok:#2FBF71;
  --c-warn:#F0B429;
  --c-err:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-sm:6px;
  --r-input:12px;
  --sd-1:0 2px 8px rgba(20,18,27,.06);
  --sd-2:0 12px 32px rgba(20,18,27,.10);
  --sd-dark:0 12px 30px rgba(0,0,0,.45);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-light);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--c-dark);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(0,0,0,.4)}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  transition:height .25s ease;
}
.site-header.is-scrolled .nav-wrap{height:60px}
.nav-toggle{display:none;grid-column:1;width:40px;height:40px;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--c-dark-line)}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:2px;border-radius:2px;background:#fff;content:"";position:relative;
}
.nav-toggle span::before{position:absolute;top:-6px;left:0}
.nav-toggle span::after{position:absolute;top:6px;left:0}
.nav-group{display:flex;align-items:center;gap:26px}
.nav-left{grid-column:1;justify-self:start}
.nav-right{grid-column:3;justify-self:end}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,.72);
  padding:6px 0;
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{
  content:"";position:absolute;left:50%;bottom:-8px;width:4px;height:4px;margin-left:-2px;
  border-radius:50%;background:var(--c-lime);
}
.brand{grid-column:2;justify-self:center;display:inline-flex;align-items:center;gap:10px}
.brand-mark{
  width:28px;height:28px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--c-lime),var(--c-orange));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(198,242,78,.28);
}
.brand-mark span{width:10px;height:10px;border-radius:3px;background:var(--c-dark);transform:rotate(45deg)}
.brand-text{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.2px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.brand-tag{
  font-size:10.5px;font-weight:700;line-height:1;
  padding:4px 6px;border-radius:6px;
  background:var(--c-lime);color:#14121B;transform:rotate(-2deg);
}
.nav-cta{padding:11px 22px;font-size:14px;white-space:nowrap}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;line-height:1.2;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--c-lime);color:#14121B;padding:14px 28px;font-size:15px}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:0 10px 24px rgba(198,242,78,.35)}
.btn-primary:active{transform:translateY(0) scale(.99);box-shadow:none}
.btn-ghost{
  border:1px solid rgba(255,255,255,.35);color:#fff;background:transparent;
  padding:13px 26px;font-size:15px;
}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-dark{background:#14121B;color:#fff;padding:14px 28px;font-size:15px}
.btn-dark:hover{background:#2A2740;transform:translateY(-2px);box-shadow:0 10px 24px rgba(20,18,27,.22)}
.btn-mini{
  height:32px;padding:0 14px;font-size:12.5px;font-weight:700;border-radius:var(--r-pill);
  background:#14121B;color:#fff;display:inline-flex;align-items:center;gap:6px;
  transition:background .2s ease,transform .2s ease;
}
.btn-mini:hover{background:#34304C;transform:translateY(-2px)}

/* ---------- Mobile panel ---------- */
.mobile-panel{
  position:fixed;inset:0;z-index:90;
  background:rgba(20,18,27,.96);
  padding:76px 24px 28px;
  display:flex;flex-direction:column;
  transform:translateY(-100%);
  transition:transform .3s ease;
}
.mobile-panel.is-open{transform:translateY(0)}
.mobile-link{
  display:flex;align-items:center;height:44px;font-size:16px;
  color:rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-link.is-active{color:var(--c-lime);font-weight:700}
.mobile-cta{margin-top:auto;width:100%;height:52px}

/* ---------- Page hero ---------- */
.page-hero{position:relative;background:var(--c-dark);color:#fff;overflow:hidden;padding:72px 0 80px}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.30;
}
.page-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,27,.80),rgba(20,18,27,.95));
}
.page-hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.7;
}
.page-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.58);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.75);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-lime)}
.breadcrumb .sep{opacity:.45}
.badge-dark{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:var(--r-sm);
  background:rgba(198,242,78,.14);color:var(--c-lime);
  border:1px solid rgba(198,242,78,.35);
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;
  margin:18px 0 16px;
}
.page-hero h1 em{font-style:normal;color:var(--c-lime)}
.page-hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.72);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px}
.hero-point{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.75)}
.hero-point svg{width:20px;height:20px;flex:none;stroke:var(--c-lime);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.page-hero-art{position:relative}
.page-hero-art img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:var(--sd-dark);
}
.page-hero-art .art-flag{
  position:absolute;top:-12px;right:14px;
  background:var(--c-magenta);color:#fff;font-size:12.5px;font-weight:700;
  padding:6px 12px;border-radius:var(--r-sm);transform:rotate(-2deg);
  box-shadow:0 8px 20px rgba(0,0,0,.35);
}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--c-dark);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.3px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--c-lime-deep);margin-bottom:10px}
.section-dark .eyebrow{color:var(--c-lime)}
.section-note{font-size:15px;color:var(--c-text-2);max-width:460px}
.section-dark .section-note{color:rgba(255,255,255,.68)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:700;color:var(--c-text);
  border-bottom:1px solid var(--c-line);padding-bottom:3px;
  transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--c-lime-deep);border-color:var(--c-lime-deep)}
.link-more span{transition:transform .2s ease}
.link-more:hover span{transform:translateX(4px)}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sd-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sd-2);border-color:rgba(198,242,78,.55)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#ECEBE4}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,27,0) 55%,rgba(20,18,27,.28))}
.card-flag{
  position:absolute;top:12px;right:12px;z-index:2;
  font-size:12px;font-weight:700;color:#fff;
  padding:4px 10px;border-radius:var(--r-sm);
  background:var(--c-orange);transform:rotate(-2deg);
  box-shadow:0 6px 14px rgba(0,0,0,.22);
}
.card-flag.is-magenta{background:var(--c-magenta)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;font-weight:700;line-height:1.45}
.card-desc{font-size:14.5px;line-height:1.75;color:var(--c-text-2)}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid #F0EFE8;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-meta{font-size:12.5px;color:var(--c-text-3);font-variant-numeric:tabular-nums}

/* ---------- Timeline ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.timeline::before{
  content:"";position:absolute;top:24px;left:16.6%;right:16.6%;height:2px;
  background:linear-gradient(90deg,rgba(198,242,78,.12),rgba(198,242,78,.8),rgba(198,242,78,.12));
}
.tl-item{position:relative;text-align:center;padding:0 8px}
.tl-dot{
  position:relative;z-index:2;
  width:48px;height:48px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--c-lime);background:var(--c-dark);
  border:2px solid var(--c-lime);
  box-shadow:0 0 0 8px var(--c-dark);
}
.tl-item h3{margin-top:22px;font-size:19px;font-weight:700;line-height:1.45}
.tl-item p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.7)}
.tl-body{display:block}

/* ---------- Checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.check-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sd-1);padding:22px;
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sd-2);border-color:rgba(198,242,78,.55)}
.check-icon{
  width:44px;height:44px;border-radius:12px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(198,242,78,.22);
}
.check-icon svg{width:22px;height:22px;fill:none;stroke:#5E7A16;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.check-item h3{font-size:17px;font-weight:700;line-height:1.5}
.check-item p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--c-text-2)}

/* ---------- Pager ---------- */
.pager-wrap{padding:0 0 72px}
.pager{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap}
.pager-btn{
  min-width:42px;height:42px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);
  font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pager-btn:hover{transform:translateY(-2px);border-color:rgba(198,242,78,.9);box-shadow:var(--sd-1)}
.pager-btn.is-current{background:var(--c-lime);border-color:var(--c-lime);color:#14121B;font-weight:800}
.pager-btn.is-current:hover{transform:none;box-shadow:none}

/* ---------- CTA band ---------- */
.cta-band{background:var(--c-dark);color:#fff;padding:64px 0}
.cta-inner{text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.3px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.72);max-width:560px}
.cta-inner .btn{margin-top:10px}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-dark);color:#fff;padding:64px 0 28px;border-top:1px solid var(--c-dark-line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease}
.footer-col a:hover{color:var(--c-lime)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--c-dark-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .page-hero-inner{grid-template-columns:1fr;gap:36px}
  .page-hero-art{max-width:520px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .nav-group{gap:18px}
  .nav-link{font-size:14px}
}

@media (max-width:767px){
  .container{padding:0 16px}
  .nav-wrap{grid-template-columns:48px 1fr 48px;height:60px}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:inline-flex}
  .brand{grid-column:2;justify-self:center}
  .brand-text{font-size:15px}
  .page-hero{padding:48px 0 56px}
  .page-hero-sub{font-size:15.5px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-points{gap:14px}
  .section,.section-tight{padding:52px 0}
  .section-head{margin-bottom:28px;gap:16px}
  .section-note{max-width:none}
  .card-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:0}
  .timeline::before{
    left:23px;right:auto;top:24px;bottom:34px;width:2px;height:auto;
    background:linear-gradient(180deg,rgba(198,242,78,.12),rgba(198,242,78,.8),rgba(198,242,78,.12));
  }
  .tl-item{
    display:grid;grid-template-columns:48px 1fr;gap:16px;
    text-align:left;padding:0 0 34px;
  }
  .tl-item h3{margin-top:4px}
  .check-item{padding:18px;grid-template-columns:40px 1fr;gap:14px}
  .check-icon{width:40px;height:40px;border-radius:10px}
  .pager-wrap{padding:0 0 52px}
  .cta-band{padding:52px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{margin-top:32px;flex-direction:column}
  .card-body{padding:16px}
}

@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .brand-tag{display:none}
  .hero-points{gap:10px}
  .hero-point{font-size:13px}
}

/* roulang page: category2 */
:root{
  --c-lime:#C6F24E;
  --c-lime-deep:#A9D93A;
  --c-orange:#FF7A3C;
  --c-magenta:#FF4D8D;
  --c-dark:#14121B;
  --c-dark-soft:rgba(255,255,255,.06);
  --c-dark-line:rgba(255,255,255,.12);
  --c-on-dark:rgba(255,255,255,.72);
  --c-bg:#F6F6F2;
  --c-card:#FFFFFF;
  --c-line:#E4E3DC;
  --c-text:#1B1A22;
  --c-text-2:#5C5A66;
  --c-text-3:#8A8894;
  --c-ok:#2FBF71;
  --c-warn:#F0B429;
  --c-err:#E5484D;
  --fs-h1:clamp(30px,4.4vw,46px);
  --fs-h2:clamp(24px,3vw,32px);
  --fs-h3:20px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:12.5px;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-badge:6px;
  --r-input:12px;
  --sd-1:0 2px 8px rgba(20,18,27,.06);
  --sd-2:0 12px 32px rgba(20,18,27,.10);
  --sd-dark:0 12px 30px rgba(0,0,0,.45);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:72px;
  --sp-7:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:var(--fs-body);
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-dark);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(0,0,0,.42);}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  min-height:72px;
  gap:16px;
  transition:min-height .25s ease;
}
.site-header.is-scrolled .nav-wrap{min-height:60px;}
.nav-group{display:flex;align-items:center;gap:26px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;gap:22px;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  line-height:1;
  padding:8px 2px;
  color:var(--c-on-dark);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-4px;
  height:2px;width:0;
  background:var(--c-lime);
  border-radius:2px;
  transition:width .2s ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{
  content:"";position:absolute;left:50%;bottom:-12px;
  width:4px;height:4px;margin-left:-2px;
  background:var(--c-lime);border-radius:50%;
}
.brand{display:flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  width:28px;height:28px;border-radius:8px;flex:0 0 28px;
  background:linear-gradient(135deg,var(--c-lime),var(--c-orange));
  display:flex;align-items:center;justify-content:center;
}
.brand-mark span{
  width:10px;height:10px;border-radius:3px;
  background:var(--c-dark);
  transform:rotate(45deg);
}
.brand-text{
  color:#fff;font-size:17px;font-weight:700;letter-spacing:-.2px;
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.brand-tag{
  font-size:11px;font-weight:700;line-height:1;
  padding:4px 7px;border-radius:var(--r-badge);
  background:var(--c-magenta);color:#fff;
  transform:rotate(-2deg);
  font-variant-numeric:tabular-nums;
}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--c-dark-line);
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:11px;width:18px;height:2px;
  background:#fff;border-radius:2px;content:"";
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span{top:19px;}
.nav-toggle span::before{top:-6px;left:0;}
.nav-toggle span::after{top:6px;left:0;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:700;
  line-height:1;
  padding:14px 28px;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-lime);color:var(--c-dark);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:0 10px 24px rgba(198,242,78,.35);}
.btn-primary:active{transform:translateY(0) scale(.99);box-shadow:none;}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-dark{background:var(--c-dark);color:#fff;}
.btn-dark:hover{filter:brightness(1.15);transform:translateY(-2px);box-shadow:0 10px 24px rgba(20,18,27,.22);}
.btn-orange{background:var(--c-orange);color:#fff;}
.btn-orange:hover{filter:brightness(.95);transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,122,60,.3);}
.btn-sm{height:32px;padding:0 14px;font-size:var(--fs-xs);}
.nav-cta{padding:11px 20px;font-size:var(--fs-sm);}

/* ---------- mobile panel ---------- */
.mobile-panel{
  display:none;
  position:fixed;inset:60px 0 0 0;z-index:79;
  background:rgba(20,18,27,.96);
  padding:22px 16px 96px;
  flex-direction:column;
  justify-content:space-between;
  overflow-y:auto;
}
.mobile-panel.is-open{display:flex;}
.mobile-nav{display:flex;flex-direction:column;}
.mobile-nav a{
  height:44px;display:flex;align-items:center;
  font-size:16px;color:var(--c-on-dark);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-nav a.is-active{color:var(--c-lime);font-weight:700;}
.mobile-cta{width:100%;margin-top:24px;}

/* ---------- page banner ---------- */
.page-banner{
  position:relative;
  background:var(--c-dark);
  color:#fff;
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(20,18,27,.94) 0%,rgba(20,18,27,.78) 55%,rgba(20,18,27,.6) 100%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 48px);
}
.banner-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.5fr .9fr;
  gap:40px;
  align-items:center;
  padding:56px 0 60px;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:var(--fs-xs);color:var(--c-on-dark);
  margin-bottom:18px;
}
.breadcrumb a:hover{color:var(--c-lime);}
.breadcrumb .sep{opacity:.45;}
.breadcrumb .cur{color:#fff;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.banner-title{
  font-size:var(--fs-h1);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.5px;
  margin-bottom:14px;
}
.banner-title em{
  font-style:normal;
  color:var(--c-lime);
}
.banner-desc{
  font-size:16px;line-height:1.8;color:var(--c-on-dark);
  max-width:620px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag-pill{
  font-size:var(--fs-xs);font-weight:600;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  border:1px solid var(--c-dark-line);
  color:#fff;
}
.banner-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sd-dark);
  border:1px solid var(--c-dark-line);
  aspect-ratio:16/11;
}
.banner-figure img{width:100%;height:100%;}
.banner-figure .corner{
  position:absolute;top:12px;right:12px;
  background:var(--c-magenta);color:#fff;
  font-size:var(--fs-xs);font-weight:700;
  padding:5px 11px;border-radius:var(--r-badge);
  transform:rotate(-2deg);
}

/* ---------- sections ---------- */
.section{padding:var(--sp-7) 0;}
.section--tight{padding:var(--sp-6) 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:var(--fs-h2);
  font-weight:700;line-height:1.3;letter-spacing:-.3px;
}
.section-head .eyebrow{
  display:inline-block;
  font-size:var(--fs-xs);font-weight:700;letter-spacing:1.6px;
  color:var(--c-orange);
  margin-bottom:10px;
}
.section-head p{color:var(--c-text-2);font-size:var(--fs-sm);margin-top:10px;max-width:640px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:var(--fs-sm);font-weight:700;color:var(--c-text);
  border-bottom:1px solid transparent;
}
.link-more::after{content:"→";color:var(--c-lime-deep);font-weight:700;}
.link-more:hover{color:var(--c-lime-deep);}

/* ---------- release spotlight ---------- */
.spotlight{
  display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:stretch;
}
.spot-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sd-1);
  padding:28px;
}
.spot-card h3{font-size:var(--fs-h3);font-weight:700;margin-bottom:6px;}
.spot-ver{
  display:flex;align-items:baseline;gap:12px;
  margin:6px 0 20px;
}
.spot-ver .ver{
  font-size:26px;font-weight:800;color:var(--c-orange);
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.spot-ver .ver-meta{font-size:var(--fs-xs);color:var(--c-text-3);}
.spot-list{display:flex;flex-direction:column;gap:14px;margin-top:6px;}
.spot-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--c-text-2);line-height:1.7;
}
.spot-list .dot{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  background:rgba(198,242,78,.28);
  border:1px solid var(--c-lime-deep);
  display:flex;align-items:center;justify-content:center;
  margin-top:3px;
}
.spot-list .dot::after{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--c-lime-deep);
}
.spot-visual{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sd-2);
  min-height:320px;
}
.spot-visual img{width:100%;height:100%;position:absolute;inset:0;}
.spot-visual .overlay{
  position:absolute;left:20px;right:20px;bottom:20px;
  background:rgba(20,18,27,.86);
  border:1px solid var(--c-dark-line);
  border-radius:var(--r-card);
  padding:18px 20px;
  color:#fff;
  backdrop-filter:blur(2px);
}
.spot-visual .overlay strong{
  display:block;font-size:var(--fs-xs);color:var(--c-lime);letter-spacing:1px;margin-bottom:8px;
}
.spot-visual .overlay p{font-size:var(--fs-sm);color:var(--c-on-dark);line-height:1.7;}

/* ---------- metric strip ---------- */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sd-1);
  overflow:hidden;
}
.metric{
  padding:24px 22px;
  border-right:1px solid var(--c-line);
}
.metric:last-child{border-right:0;}
.metric .label{font-size:var(--fs-xs);color:var(--c-text-3);margin-bottom:8px;}
.metric .value{
  font-size:22px;font-weight:800;letter-spacing:-.4px;
  font-variant-numeric:tabular-nums;
}
.metric .value.lime{color:var(--c-lime-deep);}
.metric .value.orange{color:var(--c-orange);}

/* ---------- card grid ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sd-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sd-2);border-color:rgba(198,242,78,.5);}
.card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEDE7;}
.card-thumb img{width:100%;height:100%;transition:transform .35s ease;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-badge{
  position:absolute;top:12px;right:12px;
  font-size:var(--fs-xs);font-weight:700;
  padding:5px 11px;border-radius:var(--r-badge);
  transform:rotate(-2deg);
  background:var(--c-orange);color:#fff;
}
.card-badge.magenta{background:var(--c-magenta);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body .sub{
  font-size:var(--fs-sm);color:var(--c-text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:14px;border-top:1px solid var(--c-line);
}
.card-foot .price{
  font-size:20px;font-weight:800;color:var(--c-orange);
  font-variant-numeric:tabular-nums;letter-spacing:-.4px;
}
.card-foot .price small{font-size:var(--fs-xs);font-weight:600;color:var(--c-text-3);margin-left:4px;}
.card-cat{
  align-self:flex-start;
  font-size:var(--fs-xs);font-weight:600;
  padding:5px 10px;border-radius:var(--r-badge);
  background:var(--c-bg);color:var(--c-text-2);
  border:1px solid var(--c-line);
}

/* ---------- rhythm list ---------- */
.rhythm{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.rhythm-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sd-1);
  transition:border-color .2s ease,transform .2s ease;
}
.rhythm-item:hover{border-color:rgba(198,242,78,.55);transform:translateY(-3px);}
.rhythm-item .idx{
  font-size:26px;font-weight:800;color:var(--c-lime-deep);
  font-variant-numeric:tabular-nums;letter-spacing:-.6px;
  display:block;margin-bottom:12px;
}
.rhythm-item h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.rhythm-item p{font-size:var(--fs-sm);color:var(--c-text-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sd-1);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:17px;font-weight:700;line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-lime-deep);}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);
  position:relative;
  transition:transform .24s ease,border-color .24s ease,background-color .24s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--c-text-2);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:background-color .24s ease;
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  border-color:var(--c-lime-deep);
  background:rgba(198,242,78,.18);
}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:var(--c-lime-deep);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;line-height:1.8;color:var(--c-text-2);
}

/* ---------- pagination ---------- */
.pager{
  display:flex;align-items:center;justify-content:center;gap:10px;
  margin-top:44px;flex-wrap:wrap;
}
.pager span,.pager a{
  min-width:40px;height:40px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-card);
  font-size:var(--fs-sm);font-weight:600;color:var(--c-text-2);
  font-variant-numeric:tabular-nums;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.pager a:hover{border-color:var(--c-lime-deep);color:var(--c-text);transform:translateY(-2px);}
.pager .is-current{
  background:var(--c-lime);border-color:var(--c-lime);color:var(--c-dark);font-weight:800;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--c-dark);
  color:#fff;
  border-radius:0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  opacity:.22;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(198,242,78,.05) 0 2px,transparent 2px 22px);
}
.cta-inner{
  position:relative;z-index:2;
  text-align:center;
  padding:64px 24px;
}
.cta-inner h2{
  font-size:var(--fs-h2);font-weight:800;line-height:1.3;letter-spacing:-.4px;
  margin-bottom:14px;
}
.cta-inner p{
  color:var(--c-on-dark);font-size:15px;line-height:1.8;
  max-width:620px;margin:0 auto 28px;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-dark);
  color:var(--c-on-dark);
  padding:56px 0 0;
  border-top:1px solid var(--c-dark-line);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:16px;}
.footer-desc{font-size:var(--fs-sm);line-height:1.8;color:var(--c-on-dark);max-width:340px;}
.footer-col h3{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:var(--fs-sm);color:var(--c-on-dark);}
.footer-col a:hover{color:var(--c-lime);}
.footer-bottom{
  border-top:1px solid var(--c-dark-line);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:var(--fs-xs);color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .card-grid{gap:20px;}
  .card-body{padding:18px;}
}
@media (max-width:1023px){
  .nav-group{gap:16px;}
  .nav-right{gap:14px;}
  .nav-link{font-size:14px;}
  .banner-inner{grid-template-columns:1fr;gap:28px;padding:44px 0 48px;}
  .banner-figure{max-width:560px;aspect-ratio:16/9;}
  .spotlight{grid-template-columns:1fr;}
  .spot-visual{min-height:260px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .rhythm{grid-template-columns:1fr 1fr;}
  .metric-strip{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(1),
  .metric:nth-child(2){border-bottom:1px solid var(--c-line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .nav-wrap{grid-template-columns:auto 1fr;min-height:60px;gap:12px;}
  .site-header.is-scrolled .nav-wrap{min-height:60px;}
  .nav-toggle{display:block;justify-self:start;}
  .brand{justify-self:center;}
  .nav-group{display:none;}
  .brand-text{font-size:15px;}
  .breadcrumb .cur{max-width:180px;}
  .banner-inner{padding:36px 0 42px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .card-grid{grid-template-columns:1fr;}
  .rhythm{grid-template-columns:1fr;}
  .metric-strip{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--c-line);}
  .metric:last-child{border-bottom:0;}
  .spot-card{padding:20px;}
  .faq-q{padding:18px 18px;font-size:16px;}
  .faq-a-inner{padding:0 18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-inner{padding:48px 16px;}
}
@media (max-width:520px){
  .banner-title{font-size:28px;}
  .card-foot{flex-wrap:wrap;}
  .btn{padding:13px 22px;font-size:15px;}
}