/* roulang page: index */
:root{
  --primary:#F25E3A;
  --primary-dark:#D6451E;
  --grad-main:linear-gradient(120deg,#F25E3A 0%,#FFB340 100%);
  --accent:#0FA48B;
  --accent-soft:#DCF4EF;
  --dark:#1D2A2F;
  --ink:#223138;
  --muted:#5E6B72;
  --wash:#F7F4EF;
  --wash-2:#F0EAE1;
  --line:#E8DCD0;
  --white:#fff;
  --radius-sm:14px;
  --radius-md:20px;
  --radius-lg:24px;
  --radius-xl:32px;
  --shadow-sm:0 8px 24px rgba(29,42,47,.06);
  --shadow-md:0 18px 44px rgba(29,42,47,.12);
  --font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-stack);
  background:var(--wash);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:1rem;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container,.grid-container{max-width:1280px;margin-left:auto;margin-right:auto;padding-left:28px;padding-right:28px;}
.grid-container{padding-left:28px;padding-right:28px;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:var(--radius-sm);padding:0 22px;font-weight:600;height:50px;
  transition:all .28s ease;cursor:pointer;background:#fff;color:var(--ink);
}
.btn-primary{
  background:var(--grad-main);color:#fff;border:none;box-shadow:0 10px 26px rgba(242,94,58,.24);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(242,94,58,.34);color:#fff;}
.btn-ghost{
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.45);backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff;border-color:#fff;transform:translateY(-3px);}
.btn-dark{
  background:var(--dark);color:#fff;border:none;
}
.btn-dark:hover{background:#223138;transform:translateY(-3px);box-shadow:var(--shadow-md);color:#fff;}

/* header */
.site-header{position:sticky;top:0;z-index:90;box-shadow:0 1px 0 rgba(0,0,0,.06);background:rgba(247,244,239,.96);backdrop-filter:blur(14px);}
.brand-row{background:transparent;border-bottom:1px solid rgba(0,0,0,.04);}
.brand-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:14px;}
.brand{display:inline-flex;align-items:center;gap:10px;margin:0;}
.brand-badge{
  width:42px;height:42px;border-radius:14px;background:var(--grad-main);display:flex;align-items:center;
  justify-content:center;color:#fff;font-size:20px;box-shadow:0 8px 18px rgba(242,94,58,.25);
}
.brand-title{font-weight:800;font-size:23px;letter-spacing:.02em;color:var(--ink);line-height:1.2;}
.brand-title em{font-style:normal;color:var(--primary);}
.brand-subtitle{display:block;font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.2em;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.brand-actions .btn{height:42px;padding:0 16px;font-size:14px;}
.nav-toggle{position:absolute;left:-9999px;opacity:0;pointer-events:none;}
.nav-burger{display:none;width:44px;height:44px;border-radius:12px;background:var(--wash-2);align-items:center;justify-content:center;color:var(--ink);cursor:pointer;font-size:19px;}

.channel-nav{background:var(--dark);position:relative;}
.channel-inner{display:flex;gap:10px;min-height:54px;align-items:center;overflow-x:auto;scrollbar-width:none;flex-wrap:nowrap;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.8);
  padding:8px 18px;border-radius:999px;font-size:15px;font-weight:500;transition:all .2s ease;line-height:1.4;
}
.channel-link:hover{color:#fff;background:rgba(255,255,255,.12);}
.channel-link.active{background:var(--grad-main);font-weight:600;color:#fff;box-shadow:0 5px 18px rgba(242,94,58,.35);}

/* countdown bar */
.countdown-strip{background:var(--dark);color:#fff;position:relative;overflow:hidden;}
.countdown-strip::before{content:"";position:absolute;width:480px;height:280px;left:-100px;top:-120px;background:radial-gradient(circle,rgba(242,94,58,.45),transparent 66%);pointer-events:none;}
.countdown-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px 26px;padding:24px 28px 26px;position:relative;z-index:1;}
.countdown-title{display:flex;align-items:center;gap:10px;color:#fff;font-size:15px;font-weight:600;}
.countdown-title i{color:#FFB340;}
.cd-block{display:flex;gap:12px;align-items:center;}
.cd-item{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.13);border-radius:16px;
  text-align:center;font-weight:800;min-width:78px;padding:9px 8px 7px;
}
.cd-item b{display:block;font-size:28px;line-height:1.1;background:linear-gradient(120deg,#fff,#FFD5A8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cd-item span{font-size:12px;color:#BFC9CB;font-weight:500;display:block;margin-top:3px;letter-spacing:.08em;}

/* hero */
.site-main{overflow:hidden;}
.hero-area{padding-top:28px;padding-bottom:6px;position:relative;}
.hero-card{
  border-radius:var(--radius-xl);overflow:hidden;position:relative;color:#fff;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat #273238;
  box-shadow:var(--shadow-md);
}
.hero-card::after{
  content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(16,24,27,.82) 8%,rgba(29,42,47,.55) 56%,rgba(29,42,47,.30) 100%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:40px;}
.hero-copy{padding:70px 0 76px 24px;max-width:730px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);
  color:#fff;font-size:13px;font-weight:600;padding:7px 15px;border-radius:999px;backdrop-filter:blur(8px);margin-bottom:18px;
}
.hero-eyebrow i{color:#FFB340;}
.hero-copy h1{font-size:clamp(40px,92px,54px);font-weight:900;line-height:1.22;letter-spacing:.01em;margin:18px 0 20px;color:#fff;}
.hero-copy h1 span{color:#FFF;background:linear-gradient(#fff,#FFD5A8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.92);max-width:620px;margin-bottom:32px;}
@media(min-width:640px){
.hero-lead{font-size:19px;}
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{color:rgba(255,255,255,.7);font-size:13px;margin-top:14px;display:block;}
.hero-badges{display:flex;flex-direction:column;align-items:flex-end;padding-right:28px;gap:16px;flex:0 1 auto;margin-left:auto;}
.hero-stat{
  border-radius:20px;padding:20px 26px;min-width:238px;color:#fff;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(10px);
  box-shadow:0 12px 34px rgba(0,0,0,.22);
}
.hero-stat:nth-child(2){transform:translateX(-46px);background:rgba(255,255,255,.24);}
.hero-stat:nth-child(3){transform:translateX(-12px);}
.hero-stat b{display:flex;align-items:baseline;gap:6px;font-size:36px;font-weight:900;line-height:1.05;background:linear-gradient(120deg,#fff,#FFD9A8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-stat b small{font-size:17px;background:#fff;-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-stat span{color:rgba(255,255,255,.86);font-size:14px;font-weight:500;margin-top:5px;display:block;}

/* features */
.section-block{padding:84px 0;}
.section-head{margin-bottom:40px;}
.section-head .lead-tag{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:600;font-size:14px;letter-spacing:.08em;margin-bottom:12px;}
.section-head h2{font-size:clamp(30px,60px,42px);font-weight:900;line-height:1.28;letter-spacing:-.02em;color:var(--dark);}
.section-head h2 em{font-style:normal;color:var(--primary);}
.section-head p{color:var(--muted);margin-top:12px;font-size:16px;}
.hr-line{width:44px;height:4px;border-radius:999px;background:var(--grad-main);margin-bottom:22px;}
.feature-top{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;}
.feature-summary{grid-column:span 5;align-self:center;}
.feature-right{grid-column:span 7;display:grid;grid-auto-rows:1fr;gap:18px;}
.feature-row{
  display:flex;align-items:center;gap:20px;background:#fff;border:1px solid rgba(232,220,208,.6);
  border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);
}
.feature-row:nth-child(1){background:linear-gradient(105deg,#fff 0%,#FFF1E5 100%);}
.feature-row:nth-child(2){background:#fff;}
.feature-row:nth-child(3){background:var(--dark);color:#fff;border:0;}
.feature-order{
  flex:0 0 58px;height:58px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:16px;background:var(--wash-2);color:var(--primary);
}
.feature-row:nth-child(1) .feature-order{background:rgba(242,94,58,.1);color:var(--primary);}
.feature-row:nth-child(2) .feature-order{background:rgba(15,164,139,.12);color:var(--accent);}
.feature-row:nth-child(3) .feature-order{background:rgba(255,255,255,.12);color:#FFD9A8;}
.feature-text{flex:1;}
.feature-text h3{font-size:20px;font-weight:800;margin-bottom:4px;}
.feature-row:nth-child(3) .feature-text p{color:rgba(255,255,255,.78);}
.feature-text p{color:var(--muted);font-size:15px;line-height:1.75;}
.feature-more{align-self:center;color:var(--primary);font-weight:600;font-size:15px;white-space:nowrap;}
.feature-row:nth-child(3) .feature-more{color:#FFB340;}

/* gallery */
.gallery-area{background:var(--wash-2);}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:300px;gap:18px;}
.gallery-card{
  position:relative;border-radius:24px;overflow:hidden;display:block;box-shadow:var(--shadow-sm);
  background:linear-gradient(140deg,#E9A69C,#E8D2A6);
}
.gallery-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.gallery-card:hover img{transform:scale(1.05);}
.gallery-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(29,42,47,.02) 22%,rgba(14,23,27,.70) 92%);pointer-events:none;}
.gcard-info{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px 22px;display:flex;align-items:flex-end;justify-content:space-between;gap:12px;}
.gcard-txt strong{display:block;color:#fff;font-size:20px;font-weight:800;text-shadow:0 2px 12px rgba(0,0,0,.3);margin-bottom:6px;}
.gcard-txt span{color:rgba(255,255,255,.84);font-size:13px;}
.gcard-arrow{
  width:36px;height:36px;flex:0 0 36px;background:rgba(255,255,255,.22);backdrop-filter:blur(6px);
  border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;border:1px solid rgba(255,255,255,.34);transition:all .3s;
}
.gallery-card:hover .gcard-arrow{background:var(--grad-main);transform:translateY(-3px);}
.gcard-badge{
 position:absolute;top:14px;right:14px;z-index:2;padding:5px 13px;background:rgba(29,42,47,.65);
 color:#fff;font-size:12px;font-weight:600;border-radius:999px;backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.22);
}
.gallery-card:nth-child(1){grid-column:span 2;}
.gallery-card:nth-child(3){grid-column:span 1;}
.gallery-card:nth-child(5){grid-column:span 2;}
.gallery-link{display:inline-flex;align-items:center;gap:10px;margin-top:30px;font-weight:600;color:var(--primary);}
.gallery-link i{transition:transform .25s;}
.gallery-link:hover i{transform:translateX(5px);}

/* proof */
.proof-area{padding:88px 0 10px;}
.proof-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;}
.proof-main{grid-column:span 6;background:url('/assets/images/coverpic/cover-2.png') center/cover no-repeat;min-height:270px;border-radius:28px;position:relative;padding:44px;}
.proof-main::after{content:"";position:absolute;inset:0;border-radius:28px;background:linear-gradient(170deg,rgba(15,164,139,.95) 4%,rgba(29,42,47,.3) 100%);}
.proof-main p{position:relative;z-index:2;color:#fff;font-weight:800;font-size:26px;line-height:1.65;max-width:90%;text-shadow:0 2px 14px rgba(0,0,0,.18);}
.proof-main .proof-author{color:rgba(255,255,255,.9);font-size:14px;margin-top:18px;font-weight:500;position:relative;z-index:2;}
.proof-narrow{grid-column:span 3;background:#fff;border-radius:28px;box-shadow:var(--shadow-sm);padding:30px 24px;display:flex;flex-direction:column;justify-content:center;}
.proof-narrow .pfa{border-radius:999px;width:18px;height:18px;background:var(--accent);margin-bottom:16px;}
.proof-narrow h3{font-size:17px;margin-bottom:8px;line-height:1.5;}
.proof-narrow h3 i{color:var(--primary);}
.proof-narrow p{font-size:16px;color:var(--muted);}
.proof-narrow:nth-of-type(3){background:var(--dark);}
.proof-narrow:nth-of-type(3) p{color:rgba(255,255,255,.68);}
.proof-narrow:nth-of-type(3) h3{color:#fff;}

/* CTA form */
.signup-area{background:#F0EAE1;padding:90px 0;}
.signup-card{
  border-radius:34px;background:linear-gradient(110deg,#1D2A2F 0%,#27383F 70%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  position:relative;overflow:hidden;box-shadow:0 20px 55px rgba(29,42,47,.22);
}
.signup-card::before{content:"";position:absolute;width:540px;height:300px;top:-170px;right:-100px;background:radial-gradient(circle,rgba(255,179,64,.42),transparent 62%);pointer-events:none;}
.signup-card::after{content:"";position:absolute;width:420px;height:250px;left:16%;bottom:-150px;background:radial-gradient(circle,rgba(242,94,58,.4),transparent 65%);pointer-events:none;}
.signup-panel{position:relative;z-index:2;padding:52px 50px;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;color:#fff;}
.signup-copy .eyebrow{color:#FFB340;font-weight:700;letter-spacing:.12em;font-size:13px;display:block;margin-bottom:14px;}
.signup-copy h2{font-size:clamp(30px,45px,46px);font-weight:900;line-height:1.3;color:#fff;}
.signup-copy>p{color:rgba(255,255,255,.8);margin-top:18px;font-size:16px;line-height:1.9;}
.su-tips{display:flex;margin-top:22px;gap:12px;flex-wrap:wrap;}
.su-tips span{border-radius:999px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);padding:6px 14px;font-size:13px;color:rgba(255,255,255,.9);}
.signup-form{
  background:#fff;border-radius:26px;padding:32px 28px 24px;display:flex;flex-direction:column;gap:14px;color:var(--ink);box-shadow:0 16px 40px rgba(29,42,47,.16);
}
.signup-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:var(--dark);}
.signup-form input,
.signup-form select{
  border:1px solid #DDD0C0;background:#FAF8F5;border-radius:12px;height:48px;padding:0 15px;
  font-size:15px;color:var(--dark);font-weight:500;transition:border .2s,box-shadow .2s;width:100%;outline:none;
}
.signup-form input:focus,.signup-form select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(242,94,58,.11);background:#fff;}
.signup-form select{cursor:pointer;}
.agree-note{font-size:12px;line-height:1.7;color:var(--muted);text-align:left;margin-top:2px;}
.agree-note a{color:var(--primary);border-bottom:1px solid var(--primary);}

/* FAQ */
.faq-area{background:var(--wash);}
.faq-wrap{max-width:960px;margin:0 auto;}
.faq-title{text-align:left;margin-bottom:34px;}
.faq-title .section-eyebrow{color:var(--primary);font-weight:700;font-size:14px;letter-spacing:.12em;display:block;margin-bottom:12px;}
.faq-title h2{font-size:clamp(30px,58px,42px);font-weight:900;color:var(--dark);line-height:1.3;}
.faq-list{display:flex;flex-direction:column;gap:18px;}
.accordion{background:transparent !important;display:flex;flex-direction:column;gap:16px;}
.accordion-title{
  background:#fff !important;border-radius:20px;padding:26px 30px 26px 30px !important;font-size:18px !important;font-weight:800;
  color:var(--dark) !important;line-height:1.6 !important;display:flex !important;align-items:center !important;gap:14px;
  box-shadow:var(--shadow-sm);position:relative;min-height:68px;
}
.accordion-title span.fa{color:var(--primary);font-size:16px;margin-left:auto;transition:transform .28s;}
.accordion-title::before,.accordion-title::after{display:none !important;}
.accordion-item{background:none;border:none !important;box-shadow:var(--shadow-sm);border-radius:20px;overflow:hidden;}
.accordion-item:hover{box-shadow:var(--shadow-md);}
.accordion-item.is-active .accordion-title{background:#FFF5EE !important;color:#AE3D1B !important;}
.accordion-item.is-active .accordion-title .fa{transform:rotate(45deg);}
.accordion-content{
  background:#fff !important;border:none !important;border-radius:0 0 20px 20px !important;padding:2px 32px 28px !important;
  color:var(--muted) !important;font-size:16px;line-height:1.85;margin:0 !important;
}
.accordion-content p{color:var(--muted);}
.faq-foot{text-align:left;margin-top:20px;font-size:15px;}
.faq-foot a{color:var(--primary);font-weight:600;border-bottom:1px solid var(--primary);}

/* CMS news */
.news-area{background:#fff;padding:90px 0;}
.news-top{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:34px;}
.news-top .title-meta h2{font-size:clamp(28px,58px,38px);font-weight:900;color:var(--dark);}
.news-top .title-meta p{color:var(--muted);margin-top:6px;}
.news-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--primary);border:1px solid rgba(242,94,58,.3);padding:10px 20px;border-radius:999px;transition:all .25s;}
.news-more:hover{background:var(--primary);color:#fff;}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-row{
  display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:16px 16px 16px 20px;transition:all .25s ease;cursor:pointer;min-height:98px;
}
.news-row:hover{border-color:#F9C2B2;box-shadow:var(--shadow-md);transform:translateX(4px);}
.news-row + .news-row{border-top-color:var(--line);}
.news-main{flex:1;min-width:0;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;margin-bottom:6px;flex-wrap:wrap;}
.news-cat{
  background:linear-gradient(120deg,rgba(242,94,58,.12),rgba(255,179,64,.16));color:#C33F1F;
  padding:3px 12px;font-size:12px;font-weight:600;border-radius:999px;
}
.news-cat.green{background:rgba(15,164,139,.1);color:#0B7E69;}
.news-date{color:var(--muted);font-weight:500;}
.news-title{font-size:19px;font-weight:800;color:var(--dark);white-space:nowrap;text-overflow:ellipsis;overflow:hidden;transition:color .2s;line-height:1.5;}
.news-row:hover .news-title{color:var(--primary);}
.news-desc{color:var(--muted);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:5px;}
.news-arrow{flex:0 0 45px;width:45px;height:45px;border-radius:50%;background:var(--wash);display:flex;align-items:center;justify-content:center;color:var(--dark);transition:all .25s;}
.news-row:hover .news-arrow{background:var(--grad-main);color:#fff;}
.news-empty{
  display:flex;align-items:center;justify-content:center;gap:14px;background:var(--wash);color:var(--muted);
  border-radius:24px;min-height:150px;font-size:18px;padding:20px;
}

/* footer */
.site-footer{background:var(--dark);color:#AEB9BE;padding:74px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand-title{color:#fff;}
.footer-brand-txt{color:#AEB9BE;font-size:15px;line-height:1.8;margin:20px 0 12px;max-width:290px;}
.footer-brand .socials{display:flex;gap:10px;}
.footer-brand .socials a{
  width:39px;height:39px;border-radius:999px;background:rgba(255,255,255,.08);display:flex;align-items:center;
  justify-content:center;color:#fff;transition:all .25s;
}
.footer-brand .socials a:hover{background:var(--grad-main);transform:translateY(-3px);}
.footer-head{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;display:block;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{color:#AEB9BE;transition:color .2s;display:inline-flex;line-height:1.6;}
.footer-col ul a:hover{color:#FFB340;padding-left:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:24px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:8px 24px;flex-wrap:wrap;color:#828F94;font-size:14px;}
.footer-bottom a{color:#AEB9BE;}
.go-top{
  position:fixed;right:24px;bottom:26px;width:48px;height:48px;background:var(--dark);color:#fff;
  border-radius:999px;display:none;box-shadow:0 10px 25px rgba(0,0,0,.26);transition:all .25s;z-index:60;
}
.go-top:hover{background:var(--primary);color:#fff;transform:translateY(-5px);}

/* responsive */
@media (min-width:1024px){
  .nav-burger{display:none;}
}
@media (max-width:1080px){
  .hero-inner{flex-wrap:wrap;}
  .hero-copy{max-width:100%;padding-right:28px;}
  .hero-badges{flex-direction:row;margin-top:6px;align-items:flex-start;padding:0 28px 36px;width:100%;}
  .hero-stat{min-width:0;flex:1;transform:none !important;}
  .proof-grid{grid-template-columns:repeat(6,1fr);}
  .proof-main{grid-column:span 6;}
  .proof-narrow{grid-column:span 3;}
  .signup-panel{grid-template-columns:1fr;padding:40px 36px;}
}
@media (max-width:900px){
  .nav-burger{display:flex;}
  .channel-inner{position:absolute;left:0;right:0;background:var(--dark);flex-wrap:nowrap;padding:0 20px 16px 20px;display:none;white-space:nowrap;}
  .site-header .channel-inner{position:static;padding:10px 20px 12px;display:flex;overflow-x:auto;}
  .nav-toggle:checked ~ .channel-nav .channel-inner{display:flex;}
  .countdown-inner{padding:22px 24px;justify-content:center;}
  .cd-block{width:100%;justify-content:center;flex-wrap:wrap;}
  .feature-top{grid-template-columns:1fr;}
  .feature-summary,.feature-right{grid-column:span 1;}
  .gallery-grid{grid-template-columns:1fr 1fr;grid-auto-rows:230px;}
  .gallery-card:nth-child(1),.gallery-card:nth-child(5){grid-column:span 2;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px;}
}
@media (max-width:680px){
  .section-block{padding:60px 0;}
  .brand-actions .btn-brand{display:none;}
  .hero-copy{padding-top:45px;padding-bottom:0;}
  .hero-copy h1{font-size:35px;}
  .hero-badges{flex-direction:column;padding:0 23px 36px;}
  .hero-stat{width:100%;}
  .feature-row{align-items:flex-start;}
  .feature-row{margin-bottom:12px;}
  .gallery-grid{grid-template-columns:1fr;grid-auto-rows:300px;}
  .gallery-card,.gallery-card:nth-child(1),.gallery-card:nth-child(3),.gallery-card:nth-child(5){grid-column:span 1;}
  .proof-grid{grid-template-columns:1fr;}
  .proof-main{grid-column:span 1;min-height:220px;padding:30px;}
  .proof-main p{font-size:22px;}
  .proof-narrow{grid-column:span 1;}
  .signup-panel{padding:28px 20px;}
  .fallback-form{padding:24px 16px;}
  .news-top a.news-more{padding:8px 15px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .site-footer{padding-top:52px;}
  .cd-item{min-width:68px;}
  .cd-item b{font-size:24px;}
}

/* roulang page: category1 */
:root {
        --primary: #F25E3A;
        --primary-dark: #DF4A28;
        --warm-yellow: #FFB340;
        --accent: #0FA48B;
        --dark: #1D2A2F;
        --muted: #6A777C;
        --bg: #F7F4EF;
        --surface: #FFFCF8;
        --soft: #F0EAE1;
        --line: #E8DCD0;
        --line-soft: rgba(232, 220, 208, .65);
        --gradient: linear-gradient(135deg, #F25E3A 0%, #FFB340 100%);
        --shadow: 0 10px 30px rgba(29, 42, 47, .06);
        --shadow-lg: 0 26px 60px rgba(29, 42, 47, .14);
        --shadow-primary: 0 16px 36px rgba(242, 94, 58, .28);
        --radius-pill: 999px;
        --radius-btn: 14px;
        --radius-card: 24px;
        --radius-large: 32px;
        --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: var(--font);
        line-height: 1.75;
        color: var(--dark);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4, p, ul, ol, dl, figure, blockquote {
        margin: 0;
    }

    ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    img {
        display: block;
        max-width: 100%;
    }

    section[id] {
        scroll-margin-top: 150px;
    }

    .grid-container {
        max-width: 1280px;
        padding-right: clamp(16px, 2.4vw, 24px);
        padding-left: clamp(16px, 2.4vw, 24px);
        margin-left: auto;
        margin-right: auto;
    }

    :focus-visible {
        outline: 3px solid rgba(242, 94, 58, .5);
        outline-offset: 3px;
        border-radius: 6px;
    }

    .section {
        padding: clamp(60px, 8vw, 110px) 0;
    }

    .section-soft {
        background: var(--soft);
    }

    .section-surface {
        background: var(--surface);
    }

    .kicker {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        min-height: 34px;
        padding: 0 16px;
        margin-bottom: 18px;
        background: rgba(242, 94, 58, .1);
        color: var(--primary-dark);
        font-size: 14px;
        font-weight: 700;
        letter-spacing: .06em;
        border-radius: var(--radius-pill);
    }

    .section-head h2 {
        font-size: clamp(30px, 4.3vw, 46px);
        line-height: 1.25;
        letter-spacing: -.03em;
        font-weight: 900;
        color: var(--dark);
    }

    .section-head .sec-sub {
        max-width: 720px;
        margin-top: 16px;
        font-size: 17px;
        color: var(--muted);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        min-height: 52px;
        padding: 0 26px;
        border-radius: var(--radius-btn);
        border: 0;
        cursor: pointer;
        font-weight: 800;
        font-size: 15px;
        transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
        text-align: center;
    }

    .btn:hover {
        transform: translateY(-3px);
    }

    .btn:active {
        transform: translateY(-1px);
    }

    .btn-primary {
        background: var(--gradient);
        color: #fff;
        box-shadow: 0 16px 34px rgba(242, 94, 58, .28);
    }

    .btn-primary:hover {
        box-shadow: 0 22px 44px rgba(242, 94, 58, .42);
    }

    .btn-outline-light {
        border: 1px solid rgba(255, 255, 255, .72);
        color: #fff;
        background: rgba(255, 255, 255, .1);
        backdrop-filter: blur(6px);
    }

    .btn-outline-light:hover {
        background: rgba(255, 255, 255, .2);
        border-color: #fff;
        box-shadow: 0 16px 36px rgba(29, 42, 47, .16);
    }

    .btn-dark {
        background: var(--dark);
        color: #fff;
        box-shadow: 0 16px 34px rgba(29, 42, 47, .24);
    }

    .btn-dark:hover {
        box-shadow: 0 20px 44px rgba(29, 42, 47, .34);
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(247, 244, 239, .9);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--line-soft);
        box-shadow: 0 8px 28px rgba(29, 42, 47, .04);
    }

    .brand-row {
        background: rgba(255, 252, 248, .86);
        backdrop-filter: blur(10px);
    }

    .brand-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        min-height: 72px;
    }

    .brand {
        display: inline-flex;
        align-items: center;
        gap: 11px;
        flex-shrink: 0;
    }

    .brand-badge {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: 14px;
        background: var(--gradient);
        color: #fff;
        font-size: 19px;
        box-shadow: 0 10px 22px rgba(242, 94, 58, .24);
    }

    .brand-title {
        display: block;
        font-size: 22px;
        font-weight: 900;
        letter-spacing: -.02em;
        color: var(--dark);
        line-height: 1.2;
    }

    .brand-title em {
        font-style: normal;
        color: var(--primary);
    }

    .brand-subtitle {
        display: block;
        font-size: 12px;
        letter-spacing: .08em;
        color: var(--muted);
        margin-top: 2px;
    }

    .brand-actions {
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .brand-actions .btn {
        min-height: 44px;
        padding: 0 20px;
        font-size: 14px;
    }

    .nav-toggle {
        position: absolute;
        opacity: 0;
        pointer-events: none;
    }

    .nav-burger {
        display: none;
        width: 46px;
        height: 46px;
        align-items: center;
        justify-content: center;
        border-radius: 14px;
        background: rgba(242, 94, 58, .1);
        color: var(--primary-dark);
        font-size: 20px;
        cursor: pointer;
    }

    .channel-nav {
        background: rgba(255, 252, 248, .92);
        border-top: 1px solid var(--line-soft);
    }

    .channel-inner {
        display: flex;
        align-items: center;
        gap: 8px;
        min-height: 56px;
        padding-top: 8px;
        padding-bottom: 8px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .channel-inner::-webkit-scrollbar {
        display: none;
    }

    .channel-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 18px;
        border-radius: var(--radius-pill);
        color: #4C5A60;
        font-size: 14px;
        font-weight: 700;
        line-height: 1.3;
        white-space: nowrap;
        border: 1px solid transparent;
        transition: background .2s, color .2s, border .2s, box-shadow .2s;
    }

    .channel-link i {
        font-size: 13px;
        color: var(--primary);
    }

    .channel-link:hover {
        background: rgba(242, 94, 58, .08);
        color: var(--dark);
        border-color: rgba(242, 94, 58, .12);
    }

    .channel-link.active {
        background: var(--gradient);
        color: #fff;
        border-color: transparent;
        box-shadow: 0 10px 24px rgba(242, 94, 58, .26);
    }

    .channel-link.active i {
        color: #fff;
    }

    /* Hero */
    .hero-wrap {
        padding: 28px 0 0;
    }

    .category-hero {
        position: relative;
        overflow: hidden;
        min-height: 560px;
        border-radius: var(--radius-large);
        background: var(--dark);
        box-shadow: 0 30px 88px rgba(29, 42, 47, .15);
    }

    .hero-layer {
        position: absolute;
        inset: 0;
        background:
            linear-gradient(95deg, rgba(19, 27, 30, .94) 0%, rgba(29, 42, 47, .76) 40%, rgba(242, 94, 58, .42) 82%, rgba(255, 179, 64, .28) 100%),
            url("/assets/images/backpic/back-2.webp") center 20% / cover no-repeat;
    }

    .hero-layer::after {
        content: "";
        position: absolute;
        right: -80px;
        bottom: -120px;
        width: 320px;
        height: 320px;
        background: radial-gradient(circle, rgba(255, 179, 64, .18) 0%, transparent 70%);
        pointer-events: none;
    }

    .hero-inner {
        position: relative;
        z-index: 2;
        padding: clamp(30px, 5vw, 70px);
    }

    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 14px;
        background: rgba(255, 255, 255, .18);
        border: 1px solid rgba(255, 255, 255, .2);
        color: #fff;
        font-size: 13px;
        font-weight: 700;
        border-radius: var(--radius-pill);
        backdrop-filter: blur(8px);
    }

    .hero h1 {
        font-size: clamp(36px, 5vw, 56px);
        font-weight: 900;
        line-height: 1.18;
        letter-spacing: -.045em;
        color: #fff;
        max-width: 11em;
        margin-top: 22px;
    }

    .hero-desc {
        margin-top: 20px;
        max-width: 700px;
        font-size: 17px;
        color: rgba(255, 255, 255, .9);
        line-height: 1.9;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-top: 34px;
    }

    .hero-stats-panel {
        background: rgba(255, 255, 255, .95);
        border-radius: 30px;
        padding: 28px;
        box-shadow: 0 28px 80px rgba(0, 0, 0, .26);
        color: var(--dark);
    }

    .hero-stats-title {
        font-size: 16px;
        font-weight: 800;
        color: var(--dark);
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 6px;
    }

    .hero-stats-title i {
        color: var(--primary);
    }

    .stat-break {
        height: 1px;
        background: var(--line);
        margin: 10px 0 0;
    }

    .stat-row {
        display: flex;
        align-items: baseline;
        gap: 14px;
        justify-content: space-between;
        padding: 13px 2px;
        border-bottom: 1px dashed var(--line);
    }

    .stat-row:last-of-type {
        border-bottom: 0;
    }

    .stat-row strong {
        font-size: clamp(28px, 3vw, 38px);
        line-height: 1;
        letter-spacing: -.05em;
        font-weight: 900;
        color: var(--dark);
        white-space: nowrap;
    }

    .stat-row span {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.4;
        text-align: right;
    }

    .stat-note {
        margin-top: 14px;
        font-size: 13px;
        color: var(--muted);
        padding: 12px 14px;
        background: var(--soft);
        border-radius: 16px;
        line-height: 1.6;
    }

    /* Journey */
    .journey-grid {
        display: flex;
        align-items: flex-start;
        gap: clamp(36px, 6vw, 80px);
        flex-wrap: wrap;
    }

    .journey-main {
        flex: 1.2;
        min-width: 0;
    }

    .journey-aside {
        width: min(100%, 430px);
        margin-left: auto;
    }

    .timeline {
        position: relative;
        padding-left: 40px;
        margin-top: 34px;
    }

    .timeline::before {
        content: "";
        position: absolute;
        left: 13px;
        top: 8px;
        bottom: 8px;
        width: 2px;
        background: linear-gradient(to bottom, var(--primary), var(--warm-yellow), transparent);
    }

    .tl-item {
        position: relative;
        padding-bottom: 34px;
    }

    .tl-item:last-child {
        padding-bottom: 0;
    }

    .tl-item::before {
        content: "";
        position: absolute;
        left: -39px;
        top: 7px;
        width: 14px;
        height: 14px;
        border-radius: 50%;
        background: #fff;
        border: 4px solid var(--primary);
        box-shadow: 0 0 0 5px rgba(242, 94, 58, .16);
    }

    .tl-flag {
        display: inline-block;
        font-size: 13px;
        font-weight: 800;
        letter-spacing: .05em;
        padding: 4px 12px;
        border-radius: var(--radius-pill);
        background: rgba(15, 164, 139, .12);
        color: #07816D;
        margin-bottom: 10px;
    }

    .tl-item h3 {
        font-size: 22px;
        font-weight: 800;
        letter-spacing: -.01em;
    }

    .tl-item p {
        margin-top: 10px;
        color: var(--muted);
        font-size: 16px;
        max-width: 580px;
    }

    .brand-aside {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 30px;
        padding: 26px;
        box-shadow: var(--shadow);
    }

    .aside-title {
        font-size: 20px;
        font-weight: 900;
        margin-bottom: 6px;
        display: flex;
        gap: 8px;
        align-items: center;
    }

    .aside-title i {
        color: var(--primary);
    }

    .aside-sub {
        color: var(--muted);
        font-size: 14px;
    }

    .data-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 13px;
        margin-top: 22px;
    }

    .data-tile {
        border-radius: 22px;
        padding: 20px 16px;
        min-height: 112px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        background: #FBF6EF;
        border: 1px solid var(--line);
    }

    .data-tile strong {
        font-size: clamp(26px, 3vw, 36px);
        font-weight: 900;
        letter-spacing: -.04em;
        line-height: 1;
    }

    .data-tile span {
        margin-top: 8px;
        font-size: 14px;
        color: var(--muted);
        line-height: 1.45;
    }

    .tile-accent {
        background: var(--gradient);
        color: #fff;
        border: 0;

    }

    .tile-accent span {
        color: rgba(255, 255, 255, .9);
    }

    .tile-dark {
        background: var(--dark);
        color: #fff;
        border: 0;
    }

    .tile-dark span {
        color: rgba(255, 255, 255, .78);
    }

    .tile-mint {
        background: rgba(15, 164, 139, .1);
        border-color: transparent;
    }

    .side-quote {
        margin-top: 16px;
        background: var(--dark);
        color: rgba(255, 255, 255, .84);
        padding: 18px 20px;
        border-radius: 20px;
        line-height: 1.7;
        font-size: 15px;
    }

    .side-quote strong {
        color: #fff;
        display: block;
        margin-bottom: 4px;
        font-size: 16px;
    }

    /* Principle band */
    .band-section {
        padding: 0 0 clamp(52px, 8vw, 108px);
    }

    .brand-band {
        position: relative;
        overflow: hidden;
        background: linear-gradient(115deg, #1D2A2F 0%, #27383E 65%, #2F5955 100%);
        border-radius: var(--radius-large);
        color: #fff;
        padding: clamp(36px, 6vw, 74px);
    }

    .brand-band::before {
        content: "";
        position: absolute;
        right: -80px;
        bottom: -140px;
        width: 360px;
        height: 360px;
        background: radial-gradient(circle, rgba(255, 179, 64, .18), transparent 70%);
        pointer-events: none;
    }

    .band-grid {
        position: relative;
    }

    .band-header h2 {
        color: #fff;
        font-size: clamp(28px, 3.8vw, 42px);
        line-height: 1.3;
        letter-spacing: -.03em;
        max-width: 660px;
    }

    .band-header p {
        color: rgba(255, 255, 255, .78);
        font-size: 16px;
        margin-top: 16px;
        max-width: 560px;
    }

    .promise-list {
        margin-top: 38px;
        border-top: 1px solid rgba(255, 255, 255, .16);
    }

    .promise-item {
        display: grid;
        grid-template-columns: 60px 1fr;
        gap: 22px;
        padding: 22px 0;
        border-bottom: 1px solid rgba(255, 255, 255, .14);
        align-items: start;
    }

    .promise-num {
        font-size: 14px;
        font-weight: 800;
        letter-spacing: .06em;
        width: 58px;
        height: 58px;
        border-radius: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, .1);
        color: #FFD3A1;
        border: 1px solid rgba(255, 255, 255, .14);
        line-height: 1;
    }

    .promise-item h3 {
        font-size: 20px;
        font-weight: 800;
        color: #fff;
        letter-spacing: -.01em;
    }

    .promise-item p {
        margin-top: 8px;
        color: rgba(255, 255, 255, .7);
        max-width: 620px;
    }

    /* Scene section */
    .scene-section {
        background: var(--surface);
    }

    .scene-media {
        position: relative;
        overflow: hidden;
        border-radius: var(--radius-large);
        box-shadow: var(--shadow-lg);
    }

    .scene-media img {
        width: 100%;
        aspect-ratio: 7 / 6;
        object-fit: cover;
        transition: transform .7s cubic-bezier(.2, .7, .2, 1);
    }

    .scene-media:hover img {
        transform: scale(1.03);
    }

    .scene-flag {
        position: absolute;
        left: 22px;
        bottom: 22px;
        background: rgba(29, 42, 47, .84);
        color: #fff;
        backdrop-filter: blur(10px);
        padding: 10px 18px;
        border-radius: var(--radius-pill);
        font-size: 14px;
        font-weight: 700;
        letter-spacing: .02em;
    }

    .scene-copy {
        padding: 10px 0;
    }

    .scene-copy h2 {
        font-size: clamp(28px, 3.6vw, 42px);
        font-weight: 900;
        line-height: 1.3;
        letter-spacing: -.03em;
        margin: 18px 0 18px;
    }

    .scene-copy > p {
        color: var(--muted);
        font-size: 16px;
        max-width: 640px;
    }

    .scene-points {
        margin-top: 28px;
        border-top: 1px solid var(--line);
    }

    .scene-points li {
        display: flex;
        gap: 14px;
        padding: 18px 0;
        border-bottom: 1px solid var(--line);
        align-items: flex-start;
    }

    .scene-points li i {
        flex: 0 0 40px;
        height: 40px;
        border-radius: 14px;
        background: rgba(15, 164, 139, .12);
        color: #07816D;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 17px;
    }

    .scene-points strong {
        display: block;
        font-size: 18px;
        font-weight: 800;
    }

    .scene-points span {
        color: var(--muted);
        font-size: 15px;
        line-height: 1.7;
        display: block;
        margin-top: 4px;
    }

    .partner-strip {
        background: var(--surface);
        padding-top: 0;
        padding-bottom: clamp(40px, 6vw, 70px);
    }

    .partner-strip p {
        color: var(--muted);
        font-size: 14px;
        margin-bottom: 16px;
    }

    .partner-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .partner-tags span {
        display: inline-block;
        padding: 8px 17px;
        background: var(--bg);
        border: 1px solid var(--line);
        border-radius: var(--radius-pill);
        font-weight: 600;
        font-size: 14px;
        color: #4A575C;
    }

    .partner-tags span i {
        margin-right: 6px;
        color: var(--accent);
    }

    /* FAQ */
    .faq-section {
        background: var(--bg);
    }

    .custom-accordion {
        background: transparent;
        border: 0;
    }

    .custom-accordion .accordion-item {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 22px;
        margin-bottom: 16px;
        box-shadow: 0 8px 22px rgba(29, 42, 47, .04);
        transition: box-shadow .25s ease, transform .25s ease;
        overflow: hidden;
    }

    .custom-accordion .accordion-item:hover {
        transform: translateY(-2px);
        box-shadow: 0 18px 40px rgba(29, 42, 47, .09);
    }

    .custom-accordion .accordion-title {
        position: relative;
        display: block;
        padding: 24px 72px 24px 28px;
        background: transparent !important;
        border: 0 !important;
        color: var(--dark) !important;
        font-size: 17px;
        font-weight: 800;
        line-height: 1.55;
        transition: color .2s ease;
    }

    .custom-accordion .accordion-item.is-active > .accordion-title {
        color: var(--primary-dark);
    }

    .custom-accordion .accordion-title:hover,
    .custom-accordion .accordion-title:focus {
        background: transparent !important;
        color: var(--primary);
    }

    .custom-accordion .accordion-title::before {
        content: "\f067";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        position: absolute;
        right: 24px;
        top: 50%;
        width: 34px;
        height: 34px;
        line-height: 34px;
        text-align: center;
        font-size: 16px;
        color: var(--primary);
        background: rgba(242, 94, 58, .1);
        border: 0;
        border-radius: 50%;
        transform: translateY(-50%);
        transition: transform .25s ease, background .25s, color .25s;
    }

    .custom-accordion .accordion-item.is-active > .accordion-title::before {
        content: "\f068";
        background: var(--gradient);
        color: #fff;
        transform: translateY(-50%) rotate(180deg);
    }

    .custom-accordion .accordion-content {
        border: 0;
        background: transparent !important;
        color: var(--muted);
        padding: 0 28px 26px 28px;
        font-size: 16px;
        line-height: 1.85;
        max-width: 920px;
    }

    .custom-accordion .accordion-content p + p {
        margin-top: 12px;
    }

    /* CTA */
    .cta-section {
        background: var(--surface);
        padding-top: 36px;
        padding-bottom: clamp(58px, 8vw, 100px);
    }

    .cta-gradient {
        position: relative;
        overflow: hidden;
        background: var(--gradient);
        border-radius: var(--radius-large);
        color: #fff;
        padding: clamp(36px, 5.5vw, 64px);
        box-shadow: 0 30px 80px rgba(242, 94, 58, .24);
    }

    .cta-gradient::after {
        content: "\f001";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        position: absolute;
        right: -20px;
        top: -20px;
        font-size: 160px;
        color: rgba(255, 255, 255, .1);
        transform: rotate(16deg);
        pointer-events: none;
    }

    .cta-gradient h2 {
        font-size: clamp(30px, 4vw, 46px);
        font-weight: 900;
        line-height: 1.25;
        letter-spacing: -.03em;
        position: relative;
        z-index: 2;
    }

    .cta-gradient > p {
        position: relative;
        z-index: 2;
        max-width: 700px;
        color: rgba(255, 255, 255, .92);
        margin-top: 16px;
        font-size: 17px;
        line-height: 1.9;
    }

    .cta-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-top: 32px;
        position: relative;
        z-index: 2;
    }

    .cta-note {
        position: relative;
        z-index: 2;
        margin-top: 20px;
        font-size: 13px;
        color: rgba(255, 255, 255, .76);
    }

    /* Footer */
    .site-footer {
        background: var(--dark);
        color: #C9D2D6;
        padding: 64px 0 24px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.7fr 1fr 1fr 1.2fr;
        gap: 44px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .footer-brand .brand {
        color: #fff;
    }

    .footer-brand-txt {
        margin-top: 16px;
        max-width: 360px;
        font-size: 15px;
        line-height: 1.8;
        color: #A9B8BD;
    }

    .socials {
        display: flex;
        gap: 10px;
        margin-top: 22px;
    }

    .socials a {
        width: 40px;
        height: 40px;
        border-radius: 13px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, .08);
        border: 1px solid rgba(255, 255, 255, .09);
        color: #D4DEE0;
        transition: background .2s, color .2s, transform .2s;
    }

    .socials a:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-3px);
    }

    .footer-col .footer-head {
        display: block;
        color: #fff;
        font-size: 16px;
        font-weight: 800;
        margin-bottom: 16px;
    }

    .footer-col ul li + li {
        margin-top: 10px;
    }

    .footer-col ul a {
        color: #A9B8BD;
        font-size: 14px;
        line-height: 1.6;
        position: relative;
        transition: color .2s, padding-left .2s;
    }

    .footer-col ul a:hover {
        color: #fff;
        padding-left: 3px;
    }

    .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        gap: 8px 24px;
        align-items: center;
        justify-content: space-between;
        padding-top: 24px;
        color: #90A0A6;
        font-size: 13px;
    }

    .back-top {
        position: fixed;
        right: 26px;
        bottom: 28px;
        z-index: 99;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        border: 0;
        background: var(--dark);
        color: #fff;
        cursor: pointer;
        font-size: 18px;
        box-shadow: 0 16px 36px rgba(29, 42, 47, .22);
        opacity: 0;
        pointer-events: none;
        transform: translateY(14px);
        transition: opacity .3s, transform .3s, background .3s;
    }

    .back-top.show {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .back-top:hover {
        background: var(--primary);
    }

    @media screen and (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }

        .footer-brand {
            grid-column: 1 / -1;
        }

        .hero-stats-panel {
            margin-top: 8px;
        }

        .hero-actions .btn {
            width: auto;
        }
    }

    @media screen and (max-width: 768px) {
        .brand-actions .btn {
            display: none;
        }

        .nav-burger {
            display: inline-flex;
        }

        .channel-nav {
            display: none;
        }

        .nav-toggle:checked + .channel-nav {
            display: block;
        }

        .channel-inner {
            display: flex;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding: 12px 16px;
        }

        .hero-wrap {
            padding-top: 16px;
        }

        .category-hero {
            min-height: auto;
            border-radius: 26px;
        }

        .hero-layer {
            background:
                linear-gradient(170deg, rgba(19, 27, 30, .94) 10%, rgba(29, 42, 47, .82) 65%, rgba(242, 94, 58, .38) 100%),
                url("/assets/images/backpic/back-2.webp") center 30% / cover no-repeat;
        }

        .hero-inner {
            padding: 38px 24px;
        }

        .hero h1 {
            font-size: 34px;
        }

        .hero-stats-panel {
            margin-top: 22px;
        }

        .journey-aside {
            width: 100%;
            margin-left: 0;
        }

        .band-grid {
            gap: 28px;
        }

        .promise-item {
            grid-template-columns: 44px 1fr;
            gap: 14px;
        }

        .promise-num {
            width: 44px;
            height: 44px;
            border-radius: 16px;
            font-size: 13px;
        }

        .scene-media img {
            aspect-ratio: 4 / 3;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }

        .custom-accordion .accordion-title {
            font-size: 16px;
            padding: 20px 60px 20px 20px;
        }

        .custom-accordion .accordion-title::before {
            right: 18px;
        }

        .custom-accordion .accordion-content {
            padding: 0 20px 22px 20px;
        }

        .btn {
            width: 100%;
        }

        .hero-actions .btn,
        .cta-actions .btn {
            width: 100%;
        }
    }

    @media screen and (max-width: 520px) {
        .section {
            padding: 50px 0;
        }

        .brand-title {
            font-size: 19px;
        }

        .brand-badge {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            font-size: 16px;
        }

        .brand-subtitle {
            font-size: 11px;
        }

        .category-hero {
            border-radius: 22px;
        }

        .hero-inner {
            padding: 30px 20px;
        }

        .hero h1 {
            font-size: 29px;
            letter-spacing: -.03em;
        }

        .hero-desc {
            font-size: 15px;
        }

        .timeline {
            padding-left: 32px;
        }

        .tl-item::before {
            left: -32px;
            width: 12px;
            height: 12px;
        }

        .tl-item h3 {
            font-size: 19px;
        }

        .data-grid {
            grid-template-columns: 1fr;
        }

        .brand-band {
            padding: 28px 20px;
        }

        .promise-item {
            padding-top: 16px;
            padding-bottom: 16px;
        }

        .scene-flag {
            bottom: 14px;
            left: 14px;
            font-size: 12px;
        }

        .footer-bottom {
            font-size: 12px;
        }

        .back-top {
            right: 16px;
            bottom: 18px;
            width: 44px;
            height: 44px;
        }
    }

/* roulang page: article */
:root{
  --c-primary:#F25E3A;
  --c-amber:#FFB340;
  --c-teal:#0FA48B;
  --c-ink:#1D2A2F;
  --c-text:#2A3438;
  --c-muted:#667278;
  --c-bg:#F7F4EF;
  --c-bg2:#F0EAE1;
  --c-card:#FFFDF9;
  --c-border:#E6D9CC;
  --r-md:24px;
  --r-lg:32px;
  --shadow-sm:0 8px 24px rgba(29,42,47,.06);
  --shadow-lg:0 18px 44px rgba(29,42,47,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:var(--c-bg);color:var(--c-text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
p,h1,h2,h3,h4,h5,figure{margin:0}
button,input{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(15,164,139,.36);outline-offset:2px;border-radius:6px}
::selection{background:rgba(242,94,58,.22)}

.grid-container{max-width:1280px;padding-left:24px;padding-right:24px;width:100%}
main{min-height:60vh}
@media(max-width:640px){.grid-container{padding-left:16px;padding-right:16px}}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-weight:700;border:0;border-radius:14px;padding:0 1.2rem;min-height:46px;transition:.25s var(--ease);line-height:1}
.btn-primary{background:linear-gradient(120deg,#F25E3A,#FFB340);color:#fff;box-shadow:0 10px 24px rgba(242,94,58,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(242,94,58,.34)}
.btn-ghost{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.26)}

/* ===== Header ===== */
.site-header{position:sticky;top:0;left:0;right:0;z-index:100;background:#fff}
.brand-row{border-bottom:1px solid #EEE3D8;background:rgba(255,255,255,.98)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:.7rem}
.brand-badge{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#F25E3A 10%,#FFB340 110%);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:0 8px 16px rgba(242,94,58,.3)}
.brand-title{font-size:1.18rem;font-weight:900;color:var(--c-ink);letter-spacing:.5px;display:block;line-height:1.2}
.brand-title em{font-style:normal;background:linear-gradient(120deg,#F25E3A,#F49C23);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.brand-subtitle{display:block;font-size:.68rem;color:var(--c-muted);letter-spacing:.9px;font-weight:600;margin-top:3px}
.brand-actions{display:flex;align-items:center;gap:12px}
.brand-actions .btn{height:44px}
.nav-burger{display:none;width:42px;height:42px;border-radius:14px;background:var(--c-bg);color:var(--c-text);align-items:center;justify-content:center;cursor:pointer;margin-left:2px;border:0}
.nav-toggle{display:none}
.channel-nav{background:#fff;border-bottom:1px solid rgba(232,220,208,.8)}
.channel-inner{display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-height:54px}
.channel-link{display:inline-flex;align-items:center;gap:.45rem;padding:.62rem 1.1rem;border-radius:999px;font-size:.95rem;font-weight:600;color:#56656b;transition:background .25s var(--ease),color .25s var(--ease)}
.channel-link:hover{background:rgba(242,94,58,.08);color:var(--c-primary)}
.channel-link.active{background:linear-gradient(120deg,var(--c-ink),#274049);color:#fff;box-shadow:0 8px 18px rgba(29,42,47,.16)}
@media(max-width:1023px){
  .nav-burger{display:flex}
  .channel-nav{position:absolute;top:100%;left:0;right:0;background:#fff;visibility:hidden;opacity:0;transform:translateY(-12px);transition:.35s var(--ease);box-shadow:0 24px 46px rgba(29,42,47,.16);border-bottom:1px solid rgba(232,220,208,.8);z-index:120}
  .nav-toggle:checked ~ .channel-nav{visibility:visible;opacity:1;transform:translateY(0)}
  .channel-inner{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;gap:8px;padding:12px 12px 18px;min-height:auto}
  .channel-inner::-webkit-scrollbar{display:none}
  .channel-link{white-space:nowrap}
}
@media(max-width:860px){
  .brand-actions .btn{display:none}
  .brand-title{font-size:1.08rem}
  .brand-badge{width:40px;height:40px;border-radius:12px}
}

/* ===== 文章页通用壳 ===== */
.article-mast{background:
  radial-gradient(circle at 80% 20%,rgba(255,179,64,.16),transparent 280px),
  radial-gradient(circle at 8% 95%,rgba(15,164,139,.12),transparent 320px),
  var(--c-bg);padding:56px 0 26px}
.article-reader{max-width:1000px;margin:0 auto}
.crumb-row{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:.88rem;color:var(--c-muted);font-weight:500}
.crumb-row a{color:var(--c-teal);transition:.2s}
.crumb-row a:hover{color:var(--c-primary)}
.crumb-row i{font-size:.75rem;color:#B5AC9F}
.crumb-row .crumb-now{color:#59676C;max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-title{margin-top:22px;font-size:clamp(1.9rem,4.2vw,3.1rem);line-height:1.22;letter-spacing:.02em;color:var(--c-ink);font-weight:900}
.article-byline{display:flex;flex-wrap:wrap;align-items:center;gap:.7rem 1.7rem;margin-top:24px;padding-top:20px;border-top:1px solid rgba(230,217,204,.9);font-size:.92rem;color:var(--c-muted)}
.byline-pill{display:inline-flex;align-items:center;gap:.45rem;background:linear-gradient(135deg,#F25E3A,#F6A437);color:#fff;font-weight:700;padding:.4rem .95rem;border-radius:999px;font-size:.84rem}
.byline-item{display:inline-flex;align-items:center;gap:.45rem}
.byline-item i{color:var(--c-teal);opacity:.85}

.article-body-zone{padding:26px 0 78px;background:var(--c-bg)}
.article-paper{background:var(--c-card);border:1px solid rgba(232,220,208,.85);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);padding:clamp(26px,6vw,76px)}
.article-prose{max-width:820px;margin:0 auto;color:#29363b;font-size:1.075rem;line-height:2}
.article-prose > * + *{margin-top:1.15rem}
.article-prose p{font-size:inherit;line-height:2;letter-spacing:.012em}
.article-prose h2{font-size:1.55rem;color:var(--c-ink);font-weight:800;line-height:1.4;margin-top:2.5em;padding-bottom:.7rem;border-bottom:1px solid var(--c-border)}
.article-prose h3{font-size:1.25rem;color:var(--c-ink);font-weight:750;line-height:1.5;margin-top:2em}
.article-prose a{color:var(--c-primary);text-decoration:underline;text-decoration-color:rgba(242,94,58,.4);text-underline-offset:5px}
.article-prose a:hover{color:#C94322}
.article-prose ul,.article-prose ol{padding-left:1.4em;display:grid;gap:.45rem}
.article-prose blockquote{background:rgba(240,234,225,.6);border-left:4px solid var(--c-primary);padding:1.1rem 1.4rem;border-radius:0 18px 18px 0;color:#475359}
.article-prose blockquote p{margin:0}
.article-prose img{border-radius:18px;box-shadow:var(--shadow-sm);margin:1.8rem auto 1.2rem}
.article-prose iframe{width:100%;max-width:100%;border-radius:16px;border:0}
.article-prose .article-video{position:relative;padding-top:56.25%;border-radius:18px;overflow:hidden}
.article-prose .article-video iframe{position:absolute;inset:0;height:100%}

.article-tools{max-width:820px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1.2rem;padding-top:2rem;margin-top:3rem;border-top:1px solid var(--c-border)}
.tag-row{display:flex;flex-wrap:wrap;gap:.55rem}
.tag-chip{display:inline-flex;align-items:center;gap:.35rem;background:var(--c-bg2);color:#465156;font-size:.84rem;font-weight:600;padding:.4rem 1rem;border-radius:999px}
.tag-chip i{color:var(--c-primary)}
.back-entry{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;color:var(--c-teal);font-size:.93rem;transition:.25s}
.back-entry:hover{gap:.85rem;color:var(--c-primary)}

/* ===== 404 ===== */
.missing-section{padding:88px 0 108px}
.missing-card{max-width:720px;margin:0 auto;text-align:center;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);padding:clamp(34px,6vw,70px);box-shadow:var(--shadow-sm)}
.missing-icon{width:76px;height:76px;margin:0 auto 22px;border-radius:26px;background:linear-gradient(135deg,#F25E3A,#FFB340);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.missing-card h1{font-size:2rem;color:var(--c-ink)}
.missing-card p{color:var(--c-muted);margin:16px 0 30px;line-height:1.8}

/* ===== 相关阅读 ===== */
.related-zone{padding:76px 0 104px;background:var(--c-bg2)}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:34px}
.related-head .eyebrow{display:inline-flex;gap:.5rem;align-items:center;color:var(--c-teal);font-weight:800;font-size:.84rem;letter-spacing:.6px;margin-bottom:.5rem}
.related-head .eyebrow::before{content:"";width:22px;height:3px;background:var(--c-primary);border-radius:99px}
.related-head h2{font-size:clamp(1.6rem,3vw,2.35rem);font-weight:900;color:var(--c-ink)}
.related-more{color:var(--c-ink);font-weight:700;display:inline-flex;align-items:center;gap:.5rem;font-size:.95rem}
.related-split{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
.related-feature,.related-list{display:grid}
@media(max-width:1023px){.related-split{grid-template-columns:1fr}}
.related-card{display:block;width:100%;background:#fff;border:1px solid rgba(232,220,208,.8);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:.35s var(--ease)}
.related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#E4C9B4}
.related-media{position:relative;display:block;overflow:hidden;background:linear-gradient(120deg,#F25E3A,#FFB340)}
.related-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.related-card:hover .related-media img{transform:scale(1.06)}
.related-feature .related-media{aspect-ratio:16/10}
.related-feature .related-card{min-height:100%}
.related-content{display:flex;flex-direction:column;padding:1.35rem 1.5rem 1.5rem;gap:.6rem}
.related-cat{display:inline-flex;align-items:center;align-self:flex-start;background:rgba(15,164,139,.12);color:#0A7C68;font-size:.78rem;font-weight:800;padding:.28rem .85rem;border-radius:999px;letter-spacing:.2px}
.related-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:1.25rem;line-height:1.5;color:var(--c-ink);font-weight:800}
.related-feature .related-title{font-size:1.45rem}
.related-date{display:flex;align-items:center;gap:.4rem;color:var(--c-muted);font-size:.84rem;font-weight:500;margin-top:.25rem}
.related-date i{color:var(--c-teal)}
.related-list{display:grid;gap:20px}
.related-list .related-card{display:grid;grid-template-columns:34% 1fr;align-items:stretch}
.related-list .related-media{aspect-ratio:auto;min-height:100%}
.related-list .related-content{padding:1.15rem 1.35rem;justify-content:center}
.related-list .related-title{font-size:1.03rem;line-height:1.55}
.related-more-link{display:inline-flex;align-items:center;gap:.35rem;color:var(--c-primary);font-weight:700;font-size:.86rem;margin-top:.3rem}
.related-empty{background:#fff;border:1px dashed #CBB9A8;border-radius:var(--r-md);padding:34px 26px;color:var(--c-muted);display:flex;align-items:center;gap:14px}
@media(max-width:640px){
  .related-list .related-card{grid-template-columns:1fr}
  .related-list .related-media{aspect-ratio:16/9}
}

/* ===== Footer ===== */
.site-footer{background:var(--c-ink);color:#C2CDD2;padding:70px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.55fr repeat(3,minmax(140px,.75fr));gap:2.6rem 2rem}
.footer-brand .brand{color:#fff}
.brand-subtitle{color:#C2CDD2!important}
.footer-brand-txt{font-size:.95rem;line-height:1.9;color:#AAB7BD;max-width:330px;margin:22px 0 22px}
.socials{display:flex;gap:12px}
.socials a{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.07);color:#E5ECEF;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.08);transition:.25s}
.socials a:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-2px)}
.footer-head{color:#fff;font-weight:800;font-size:1.05rem;letter-spacing:.5px}
.footer-col ul{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:.7rem}
.footer-col ul a{color:#AAB7BD;font-size:.93rem;transition:.2s;display:inline-flex;align-items:center;gap:.3rem}
.footer-col ul a:hover{color:#fff;transform:translateX(4px)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid rgba(255,255,255,.1);margin-top:58px;padding-top:24px;font-size:.86rem;color:#8EA0A8}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:span 2}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column}}

/* roulang page: category2 */
:root {
  --coral: #F25E3A;
  --coral-soft: #F8906E;
  --coral-dark: #D94A29;
  --sun: #FFB340;
  --teal: #0FA48B;
  --ink: #1D2A2F;
  --cream: #F7F4EF;
  --sand: #F0EAE1;
  --line: #E8DCD0;
  --white: #FFFFFF;
  --muted: #66767B;
  --shade: rgba(29, 42, 47, .65);
  --r-sm: 14px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-pill: 999px;
  --shadow-sm: 0 8px 24px rgba(29,42,47,.06);
  --shadow-lg: 0 18px 44px rgba(29,42,47,.12);
  --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--cream);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1.1em; }
h1, h2, h3, h4 { line-height: 1.35; }
button, input, select, textarea { font: inherit; color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(15,164,139,.4); outline-offset: 2px; }
.grid-container { max-width: 1280px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--r-sm);
  padding: 13px 26px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .02em;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease;
}
.btn-primary {
  background-image: linear-gradient(100deg, var(--coral) 0%, var(--sun) 100%);
  color: #fff;
  box-shadow: 0 12px 28px rgba(242,94,58,.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(242,94,58,.38);
  color:#fff;
}
.btn-ghost {
  background: rgba(255,255,255,.15);
  color:#fff;
  border-color: rgba(255,255,255,.7);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.25);
  border-color:#fff;
  color:#fff;
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--ink);
  color: #fff;
}
.btn-dark:hover { background: #2A3B41; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.link-arrow { display:inline-flex; align-items:center; gap:10px; color: var(--coral-dark); font-weight:700; }
.link-arrow i { transition: transform .25s ease; }
.link-arrow:hover { color: var(--ink); }
.link-arrow:hover i { transform: translateX(5px); }

/* ===== Header ===== */
.site-header { position: sticky; top:0; z-index: 60; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); box-shadow: 0 2px 20px rgba(29,42,47,.04); }
.brand-row { border-bottom: 1px solid rgba(232,220,208,.7); background: rgba(255,255,255,.72); }
.brand-inner { min-height: 76px; display:flex; align-items:center; justify-content:space-between; gap:18px; }
.brand { display:inline-flex; align-items:center; gap:12px; }
.brand-badge {
  width: 44px; height:44px; flex:0 0 44px;
  display: inline-flex; align-items:center; justify-content:center;
  border-radius: 16px;
  background: linear-gradient(130deg, var(--coral), var(--sun));
  color:#fff; font-size:19px;
  box-shadow: 0 10px 22px rgba(242,94,58,.24);
}
.brand-title { display:block; font-size:20px; font-weight:900; letter-spacing:.01em; color:var(--ink); line-height:1.25; }
.brand-title em { font-style:normal; color: var(--coral); }
.brand-subtitle { display:block; font-size:12px; color: var(--muted); letter-spacing:.18em; }
.brand-actions { display:flex; align-items:center; gap:14px; }
.brand-actions .btn { height:44px; padding:0 22px; font-size:15px; }
.nav-burger { width:46px; height:46px; display:none; align-items:center; justify-content:center; border:1px solid var(--line); border-radius: var(--r-sm); color: var(--ink); font-size:20px; cursor:pointer; }
.nav-toggle { position:absolute; opacity:0; pointer-events:none; }
.channel-nav { display:block; background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,244,239,.96)); }
.channel-inner { display:flex; align-items:center; gap:10px; padding-top:9px; padding-bottom:9px; overflow-x:auto; white-space:nowrap; scrollbar-width:none; }
.channel-inner::-webkit-scrollbar { display:none; }
.channel-link {
  display: inline-flex; align-items:center; gap:8px;
  padding: 9px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  color: var(--muted);
  background: transparent;
  transition: all .25s ease;
  flex: 0 0 auto;
}
.channel-link i { font-size: 13px; opacity:.8; }
.channel-link:hover { background: var(--sand); color: var(--ink); transform: translateY(-1px); }
.channel-link.active {
  background-image: linear-gradient(100deg, var(--coral), var(--sun));
  color:#fff;
  box-shadow: 0 8px 20px rgba(242,94,58,.26);
}

/* ===== Page hero ===== */
.page-hero {
  position: relative;
  color:#fff;
  padding: 92px 0 110px;
  background:
    linear-gradient(105deg, rgba(29,42,47,.76) 0%, rgba(217,74,41,.55) 48%, rgba(255,179,64,.42) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  overflow: hidden;
}
.page-hero::after {
  content:"";
  position:absolute;
  right:-120px; bottom:-160px;
  width:430px; height:430px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(15,164,139,.5), transparent 68%);
  z-index:0;
}
.page-hero-inner { position:relative; z-index:1; max-width: 760px; }
.hero-eyebrow {
  display:inline-flex; align-items:center; gap:8px;
  background: rgba(255,255,255,.16);
  color:#fff;
  font-size:14px;
  font-weight:700;
  padding: 8px 18px;
  border-radius:999px;
  backdrop-filter: blur(6px);
  margin-bottom: 24px;
  letter-spacing:.05em;
}
.page-hero h1 { font-size: clamp(38px, 5vw, 58px); font-weight: 900; margin: 0 0 18px; letter-spacing:-.01em; }
.hero-lead { font-size: clamp(17px, 2vw, 21px); line-height:1.8; color: rgba(255,255,255,.94); max-width: 620px; margin-bottom: 34px; }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; }
.hero-actions .btn-ghost { background:rgba(29,42,47,.26); border-color: rgba(255,255,255,.62); }
.hero-note { display:flex; flex-wrap:wrap; gap:10px 22px; margin-top:42px; padding-top:22px; border-top:1px solid rgba(255,255,255,.3); color: rgba(255,255,255,.86); font-size:14px; }
.hero-note span i { margin-right:8px; color: var(--sun); }

/* ===== Sections ===== */
.section { padding: 96px 0; }
.section--cream { background: var(--cream); }
.section--sand { background: var(--sand); }
.section-head { margin-bottom: 42px; }
.section-head.align-bottom { align-items:end; }
.kicker {
  display:inline-flex; align-items:center; gap:8px;
  color: var(--coral-dark);
  background: rgba(242,94,58,.1);
  border-radius: 999px;
  font-size: 14px;
  font-weight:800;
  padding: 7px 16px;
  margin-bottom: 16px;
}
.section-head h2 { font-size: clamp(29px, 4vw, 42px); font-weight: 900; margin: 0 0 12px; color: var(--ink); }
.section-lead { max-width: 650px; color: var(--muted); font-size: 17px; line-height:1.85; margin-bottom:0; }

/* ===== Featured ===== */
.featured-grid { row-gap: 18px; }
.featured-main-col, .featured-side-col { margin-bottom:0; }
.featured-main { height: 100%; min-height: 420px; }
.featured-side { display:flex; flex-direction:column; gap:18px; height:100%; min-height:420px; }
.spot-card { position:relative; overflow:hidden; border-radius: var(--r-lg); box-shadow: var(--shadow-sm); background: linear-gradient(150deg, #F8906E, #FFB340); transition: box-shadow .3s ease, transform .3s ease; }
.spot-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.spot-media { position:absolute; inset:0; }
.spot-media img { width:100%; height:100%; object-fit:cover; }
.spot-card--main .spot-media { min-height:420px; }
.spot-shade { position:absolute; inset:0; background: linear-gradient(180deg, rgba(29,42,47,0) 20%, rgba(29,42,47,.24) 56%, rgba(29,42,47,.9) 100%); }
.spot-tag {
  position:absolute; top:20px; left:20px;
  background: rgba(255,255,255,.9);
  color: var(--ink);
  font-size:13px;
  font-weight:800;
  padding:7px 15px;
  border-radius:999px;
  box-shadow: 0 6px 14px rgba(29,42,47,.14);
  backdrop-filter: blur(4px);
}
.spot-copy { position:absolute; left:0; right:0; bottom:0; padding: 28px; color:#fff; z-index:2; }
.spot-copy h3 { font-size:23px; font-weight:900; margin: 0 0 8px; color:#fff; }
.spot-copy p { font-size:15px; color:rgba(255,255,255,.9); margin-bottom:12px; }
.spot-link { display:inline-flex; align-items:center; gap:9px; font-size:15px; font-weight:800; color:#fff; }
.spot-link i { transition: transform .25s ease; }
.spot-card:hover .spot-link i { transform: translateX(5px); }
.spot-card--side { min-height: 0; flex:1; cursor:pointer; }
.spot-card--side .spot-copy h3 { font-size:20px; }
.spot-card--side .spot-copy p { margin-bottom:0; font-size:14px; }

/* ===== Scene timeline ===== */
.scene-list { display:flex; flex-direction:column; gap:24px; }
.scene-item {
  background:#fff;
  border:1px solid rgba(232,220,208,.55);
  border-radius: 26px;
  padding:18px;
  display:grid;
  grid-template-columns: 384px 1fr;
  gap: 26px;
  align-items:center;
  box-shadow: var(--shadow-sm);
  transition: transform .28s ease, box-shadow .28s ease;
}
.scene-item:hover { transform: translateX(4px); box-shadow: var(--shadow-lg); }
.scene-media { border-radius: 18px; overflow:hidden; height: 228px; background: linear-gradient(130deg, #F8906E, #FFB340); }
.scene-media img { width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.scene-item:hover .scene-media img { transform: scale(1.04); }
.scene-body { padding: 8px 18px 8px 6px; }
.scene-meta { display:flex; align-items:center; gap:14px; font-size:13px; color:var(--muted); margin-bottom:12px; flex-wrap:wrap; }
.scene-meta span { display:inline-flex; align-items:center; gap:6px; }
.scene-meta .dot { width:6px; height:6px; border-radius:50%; background: var(--teal); display:inline-block; }
.scene-body h3 { font-size:25px; color: var(--ink); font-weight:900; margin:0 0 12px; }
.scene-body p { color: var(--muted); margin-bottom:18px; }
.scene-cta { font-weight:800; color: var(--coral-dark); display:inline-flex; gap:7px; align-items:center; }
.scene-cta i { transition: transform .25s ease; }
.scene-item:hover .scene-cta i { transform: translateX(4px); }

/* ===== Stats ===== */
.section-dark { position: relative; overflow:hidden; background: var(--ink); color:#fff; }
.section-dark::before { content:""; position:absolute; inset:0; background: radial-gradient(380px 300px at 18% 18%, rgba(242,94,58,.28), transparent 70%), radial-gradient(420px 320px at 85% 85%, rgba(15,164,139,.24), transparent 70%); pointer-events:none; }
.section-dark-inner { position:relative; z-index:1; }
.stat-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top:42px; }
.stat-card {
  background: rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
  border-radius: var(--r-lg);
  padding: 26px 22px;
  backdrop-filter: blur(4px);
  transition: background .3s ease, transform .3s ease;
}
.stat-card:hover { background: rgba(255,255,255,.13); transform: translateY(-4px); }
.stat-num { font-size: clamp(34px, 4vw, 54px); font-weight:900; line-height:1.15; letter-spacing:-.02em; }
.stat-num small { font-size:.45em; font-weight:800; margin-left:2px; color: var(--sun); }
.stat-label { color: rgba(255,255,255,.7); font-size:14px; margin-top:8px; }

/* ===== Mosaic gallery ===== */
.gallery-mosaic { display:grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 220px); gap: 16px; }
.g-item { position:relative; border-radius: var(--r-lg); overflow:hidden; background: linear-gradient(135deg, var(--coral-soft), var(--sun)); box-shadow: var(--shadow-sm); }
.g-item img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition: transform .6s ease, opacity .45s ease; }
.g-item:hover img { transform: scale(1.05); opacity:.82; }
.g-item--a { grid-column: 1 / span 2; grid-row: 1 / span 2; }
.g-item--b { grid-column: 3 / span 1; grid-row: 1 / span 1; }
.g-item--c { grid-column: 4 / span 1; grid-row: 1 / span 1; }
.g-item--d { grid-column: 3 / span 2; grid-row: 2 / span 1; }
.g-item-caption {
  position:absolute; left:0; right:0; bottom:0;
  padding: 22px 18px 16px;
  background: linear-gradient(180deg, transparent, rgba(29,42,47,.82));
  color:#fff;
  transform: translateY(4px);
  transition: background .3s ease;
}
.g-item-caption strong { display:block; font-size:17px; margin-bottom:3px; }
.g-item-caption span { font-size:13px; color:rgba(255,255,255,.82); display:flex; align-items:center; gap:8px; }
.g-item-caption i { opacity:.8; }
.g-item .view-more {
  position:absolute; right:16px; top:14px;
  background: rgba(255,255,255,.9);
  color: var(--ink);
  width: 40px; height: 40px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:16px;
  opacity:0;
  transition: opacity .3s ease, transform .3s ease;
  transform: translateY(-6px);
}
.g-item:hover .view-more { opacity:1; transform: translateY(0); }

/* ===== FAQ ===== */
.faq-wrap { max-width: 920px; }
.accordion.faq-acc { margin:0; }
.faq-acc .accordion-item {
  background:#fff;
  border:1px solid rgba(232,220,208,.7);
  border-radius: 20px;
  margin-bottom: 16px;
  padding: 0;
  overflow:hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s ease, transform .3s ease;
}
.faq-acc .accordion-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.faq-acc .accordion-title {
  background: #fff;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  line-height:1.5;
  padding: 24px 64px 24px 26px;
  border-bottom:0;
  display:block;
}
.faq-acc .accordion-title::after {
  content:"\f067";
  font-family: "Font Awesome 6 Free";
  font-weight:900;
  font-size:17px;
  color: var(--coral);
  background: rgba(242,94,58,.1);
  width:40px; height:40px;
  border-radius:50%;
  position:absolute;
  right:20px; top:50%;
  transform: translateY(-50%);
  transition: transform .3s ease, background .3s ease, color .3s ease;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.faq-acc .accordion-title:hover { background:#FFFDFA; color: var(--coral-dark); }
.faq-acc .faq-acc .accordion-item.is-active .accordion-title::after,
.faq-acc .accordion-item.is-active > .accordion-title::after { transform: translateY(-50%) rotate(135deg); background: var(--coral); color:#fff; }
.faq-acc .accordion-content { background:#fff; border-radius:0 0 20px 20px; padding: 4px 28px 26px; color: var(--muted); font-size:16px; line-height:1.85; }
.faq-acc .accordion-content p:last-child { margin-bottom:0; }
.faq-vcard { height:100%; background: linear-gradient(135deg, rgba(242,94,58,.08), rgba(255,179,64,.1)); border-radius:var(--r-lg); padding: 24px 28px; border:1px solid var(--line); }
.faq-vcard h3 { font-size:20px; font-weight:900; margin-bottom:12px; }
.faq-vcard p { color:var(--muted); font-size:15px; margin-bottom:14px; }
.faq-contact-btn { margin-top: 8px; }

/* ===== CTA signup ===== */
.cta-card { position:relative; overflow:hidden; border-radius: var(--r-xl); background: linear-gradient(105deg, var(--coral-dark) 0%, var(--coral) 38%, var(--sun) 100%); color:#fff; box-shadow: 0 24px 80px rgba(217,74,41,.24); }
.cta-card-inner { position:relative; z-index:1; display:grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items:center; padding: 58px 54px; }
.cta-card::after { content:""; position:absolute; width:300px; height:300px; right:-80px; bottom:-120px; border-radius:50%; background: rgba(255,255,255,.18); }
.cta-card::before { content:""; position:absolute; width:200px; height:200px; left:-60px; top:-90px; border-radius:50%; background: rgba(29,42,47,.12); }
.cta-card h2 { font-size: clamp(28px,3vw,42px); font-weight:900; line-height:1.4; margin: 0 0 20px; color:#fff; }
.cta-desc { font-size: 18px; color: rgba(255,255,255,.94); line-height:1.85; max-width: 500px; margin-bottom: 30px; }
.cta-trust { display:inline-flex; flex-wrap:wrap; gap:18px; margin-bottom:0; color: rgba(255,255,255,.8); font-size:14px; }
.cta-trust li { display:flex; gap:8px; align-items:center; }
.cta-trust i { color:#fff; }
.cta-form-card { background: rgba(255,255,255,.95); border-radius: 24px; padding: 32px; box-shadow: 0 18px 44px rgba(29,42,47,.16); }
.cta-form-card label { display:block; font-size:14px; font-weight:800; color: var(--ink); margin-bottom:7px; }
.cta-form-card .input { width:100%; min-height:52px; border:1.5px solid var(--line); border-radius: var(--r-sm); background:#fff; padding: 0 16px; margin-bottom:18px; color:var(--ink); font-size:16px; transition: border-color .25s ease, box-shadow .25s ease; box-shadow:none; }
.cta-form-card .input:focus { border-color: var(--coral); box-shadow: 0 0 0 4px rgba(242,94,58,.15); background:#fff; }
.cta-form-card .btn { width:100%; height:56px; }
.form-hint { display:block; margin-top:14px; text-align:center; font-size:13px; color: var(--muted); }
.form-hint i { color: var(--teal); margin-right:4px; }

/* ===== Footer ===== */
.site-footer { background: var(--ink); color:#B7C5CB; padding: 76px 0 32px; }
.footer-grid { display:grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 48px; }
.footer-brand .brand-title { color:#fff; }
.footer-brand .brand-subtitle { color:#C2CDD2; }
.footer-brand-txt { font-size:15px; line-height:1.85; color: rgba(255,255,255,.58); margin: 20px 0 24px; max-width: 320px; }
.socials { display:flex; gap:12px; }
.socials a {
  width: 42px; height:42px;
  border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  background: rgba(255,255,255,.09);
  color: rgba(255,255,255,.82);
  font-size:18px;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.socials a:hover { background: var(--coral); color:#fff; transform: translateY(-4px); }
.footer-head { display:block; color:#fff; font-weight:800; font-size:15px; margin-bottom:20px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,.62); font-size:14px; transition: color .25s ease, padding-left .25s ease; }
.footer-col ul li a:hover { color:#fff; padding-left:5px; }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,.1);
  padding-top: 30px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px;
  font-size:13px;
  color: rgba(255,255,255,.45);
}
.footer-bottom a { color:rgba(255,255,255,.55); }
.footer-bottom a:hover { color:#fff; }

/* ===== Back to top ===== */
.top-btn {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--ink);
  color:#fff;
  font-size: 19px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all .35s ease;
  z-index: 50;
}
.top-btn.show { opacity: 1; visibility: visible; transform: translateY(0); }
.top-btn:hover { background: var(--coral); transform: translateY(-4px); }

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .section { padding: 74px 0; }
  .featured-main { min-height: 360px; }
  .featured-side { min-height: 300px; }
  .scene-item { grid-template-columns: 300px 1fr; gap:18px; }
  .scene-media { height: 210px; }
  .stat-grid { gap:14px; }
}
@media screen and (max-width: 900px) {
  .brand-actions .btn { display: none; }
  .nav-burger { display: inline-flex; }
  .channel-nav { display:none; }
  .nav-toggle:checked + .channel-nav { display:block; }
  .channel-inner { padding: 9px 16px 12px; }
  .channel-link { padding: 8px 17px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px 24px; }
  .page-hero { padding: 74px 0 88px; }
}
@media screen and (max-width: 768px) {
  .section { padding: 62px 0; }
  .section-head { margin-bottom: 32px; }
  .page-hero h1 { font-size: 38px; }
  .hero-lead { font-size: 17px; }
  .cta-card-inner { grid-template-columns: 1fr; padding: 38px 28px; gap: 32px; }
  .gallery-mosaic { grid-template-columns: repeat(2,1fr); grid-template-rows: auto; }
  .g-item { min-height: 180px; grid-row:auto; grid-column: auto; }
  .g-item--a { grid-column: span 2; grid-row: span 2; min-height: 360px; }
  .g-item--b, .g-item--c { grid-column: span 1; }
  .g-item--d { grid-column: span 2; }
  .g-item img { position:absolute; }
}
@media screen and (max-width: 680px) {
  .featured-side { min-height: 520px; }
  .featured-main { min-height: 330px; }
  .featured-main-col { margin-bottom: 18px; }
  .scene-item { grid-template-columns: 1fr; padding: 16px; }
  .scene-media { height: 220px; }
  .scene-body { padding: 16px 8px 8px; }
  .scene-body h3 { font-size: 22px; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-card { padding: 20px 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
  .cta-trust { flex-direction:column; gap:9px; }
  .gallery-mosaic { gap:12px; }
  .g-item { min-height: 150px; }
  .g-item--a { min-height: 300px; }
  .g-item-caption { padding: 14px 12px; }
  .cta-form-card { padding: 24px 20px; }
}

/* roulang page: category3 */
:root{
  --primary:#F25E3A;
  --primary-deep:#D94A24;
  --secondary:#0FA48B;
  --warm:#FFB340;
  --dark:#1D2A2F;
  --dark-2:#24383F;
  --bg:#F7F4EF;
  --bg-alt:#F0EAE1;
  --card:#FFFFFF;
  --line:#E8DCD0;
  --text:#1D2A2F;
  --weak:#657A82;
  --radius-fill:999px;
  --radius-btn:14px;
  --radius-card:24px;
  --radius-banner:32px;
  --radius-faq:20px;
  --shadow-1:0 8px 24px rgba(29,42,47,.06);
  --shadow-2:0 18px 44px rgba(29,42,47,.12);
  --gradient:linear-gradient(120deg,#F25E3A 0%,#FFB340 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800}
p{margin:0 0 1rem}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(242,94,58,.45);outline-offset:3px;border-radius:6px}
.grid-container{max-width:80rem;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
@media screen and (max-width:639px){.grid-container{padding-left:18px;padding-right:18px}}

/* buttons & tags */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:12px 24px;border:0;font-weight:700;font-size:15px;line-height:1.2;border-radius:var(--radius-btn);cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;white-space:nowrap
}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 8px 22px rgba(242,94,58,.28)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(242,94,58,.36);color:#fff}
.btn-ghost{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.72);color:#fff;backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-3px);color:#fff}
.tag{display:inline-flex;align-items:center;gap:4px;font-weight:700;font-size:12px;padding:5px 12px;border-radius:999px;letter-spacing:.02em}
.tag-primary{background:rgba(242,94,58,.12);color:var(--primary-deep)}
.tag-teal{background:rgba(15,164,139,.12);color:#0A7563}
.tag-dark{background:var(--dark);color:#fff}

/* section */
.section-pad{padding:100px 0}
.section-alt{background:var(--bg-alt)}
.sec-title{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.02em;margin-bottom:10px}
.sec-lead{font-size:17px;color:var(--weak);max-width:680px;margin-bottom:34px;line-height:1.75}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.section-head .sec-title{margin-bottom:4px}
.section-head .more-link{font-weight:700;color:var(--primary-deep);font-size:15px;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.section-head .more-link i{transition:transform .25s ease}
.section-head .more-link:hover i{transform:translateX(5px)}
@media screen and (max-width:639px){.section-head{margin-bottom:28px}.section-head .more-link{margin-left:auto}}
@media screen and (max-width:1023px){.section-pad{padding:72px 0}}
@media screen and (max-width:639px){.section-pad{padding:56px 0}}

/* site header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,244,239,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(232,220,208,.9)}
.brand-row{border-bottom:1px solid rgba(232,220,208,.6)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:.7rem;flex-shrink:0}
.brand-badge{width:42px;height:42px;border-radius:14px;background:var(--gradient);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:17px;box-shadow:0 8px 20px rgba(242,94,58,.28)}
.brand-title{display:block;font-size:1.32rem;font-weight:900;color:var(--dark);line-height:1.1;letter-spacing:-.02em}
.brand-title em{font-style:normal;color:var(--primary)}
.brand-subtitle{display:block;font-size:.7rem;color:#7D9299;letter-spacing:.14em;line-height:1.4}
.brand-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{position:absolute;opacity:0;pointer-events:none;width:0;height:0}
.nav-burger{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--dark);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;margin-left:4px}
.nav-burger:hover{color:var(--primary);border-color:var(--primary)}
.channel-nav{background:rgba(247,244,239,.7)}
.channel-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;padding-top:8px;padding-bottom:8px;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{display:inline-flex;align-items:center;gap:.5rem;padding:8px 18px;border-radius:999px;font-size:.95rem;font-weight:700;color:#53696F;white-space:nowrap;transition:background .2s ease,color .2s ease,box-shadow .2s ease}
.channel-link i{font-size:.8rem;opacity:.9}
.channel-link:hover{background:#fff;color:var(--primary);box-shadow:var(--shadow-1)}
.channel-link.active{background:var(--gradient);color:#fff;box-shadow:0 8px 22px rgba(242,94,58,.28)}
@media screen and (min-width:1024px){
 .nav-burger{display:none}
 .channel-nav{display:block!important}
 .brand-inner .btn{height:44px;padding-top:0;padding-bottom:0}
}
@media screen and (max-width:1023.98px){
 .channel-nav{display:none}
 #navToggle:checked ~ .channel-nav{display:block}
 .channel-inner{padding-left:18px}
}

/* page hero */
.page-hero-section{padding-top:52px;background:var(--bg)}
.page-hero-card{
 position:relative;border-radius:var(--radius-banner);overflow:hidden;min-height:560px;display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;
 background:linear-gradient(115deg,rgba(29,42,47,.88) 0%,rgba(242,94,58,.42) 72%),url('/assets/images/backpic/back-2.webp') center/cover;
 box-shadow:var(--shadow-2)
}
.page-hero-card::before{content:"";position:absolute;inset:auto -20% -40% 50%;width:60%;height:60%;background:radial-gradient(closest-side,rgba(255,179,64,.5),transparent);filter:blur(40px)}
.page-hero-inner{position:relative;z-index:2;max-width:940px;width:100%;padding:64px 20px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:22px}
.hero-eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--warm);box-shadow:0 0 0 4px rgba(255,179,64,.25)}
.page-hero-inner h1{font-size:clamp(48px,7vw,68px);font-weight:900;color:#fff;line-height:1.12;letter-spacing:-.03em;margin-bottom:18px}
.hero-lead{font-size:clamp(16px,2vw,19px);line-height:1.8;color:rgba(255,255,255,.94);max-width:640px;margin:0 auto}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}
.stat-badge{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(8px);border-radius:999px;display:flex;align-items:center;gap:10px;padding:10px 20px}
.stat-num{font-size:24px;font-weight:900;line-height:1;background:linear-gradient(135deg,#fff 20%,#FFE0A0 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{font-size:13px;font-weight:600;color:rgba(255,255,255,.86);line-height:1.2}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:34px}
@media screen and (max-width:1023.98px){.page-hero-section{padding-top:28px}.page-hero-card{min-height:520px;border-radius:26px}}
@media screen and (max-width:639px){.page-hero-section{padding-top:14px}.page-hero-card{min-height:auto;border-radius:24px}.page-hero-inner{padding:44px 18px}.hero-stats{gap:8px}.stat-badge{padding:8px 14px}}

/* topic cards */
.topic-grid{margin-top:-10px}
.topic-card{
 position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:34px 30px 30px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;height:100%
}
.topic-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-2)}
.topic-num{position:absolute;right:26px;top:22px;font-size:44px;font-weight:900;line-height:1;color:rgba(232,220,208,.72);letter-spacing:-.05em}
.topic-icon{width:54px;height:54px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:24px;background:rgba(242,94,58,.1);color:var(--primary-deep)}
.topic-card:nth-child(2) .topic-icon{background:rgba(15,164,139,.12);color:#0A7563}
.topic-card:nth-child(3) .topic-icon{background:rgba(255,179,64,.16);color:#C97900}
.topic-card h3{font-size:22px;margin-bottom:12px;letter-spacing:-.01em}
.topic-card p{font-size:15px;color:var(--weak);line-height:1.75;margin-bottom:20px}
.topic-tip{font-size:13px;font-weight:700;color:var(--dark);display:inline-flex;align-items:center;gap:8px}
.topic-tip i{font-size:12px;transition:transform .25s ease}
.topic-card:hover .topic-tip i{transform:translateX(4px)}
.topic-card.level-up{margin-top:30px}
@media screen and (max-width:1023.98px){.topic-card.level-up{margin-top:0;margin-bottom:0}.topic-grid>.cell{margin-bottom:22px}}

/* latest panel / news list */
.latest-panel{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:38px 36px 18px;box-shadow:var(--shadow-1)}
.subscribe-card{margin-left:8px;border-radius:28px;padding:38px 32px 32px;background:var(--dark);color:#fff;box-shadow:0 22px 48px rgba(29,42,47,.2);position:relative;overflow:hidden}
.subscribe-card::after{content:"";position:absolute;right:-60px;bottom:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(closest-side,rgba(242,94,58,.62),transparent)}
@media screen and (max-width:1023.98px){.latest-panel{margin-bottom:28px}.subscribe-card{margin-left:0}}

.latest-list{display:flex;flex-direction:column}
.news-item{border-radius:20px;transition:box-shadow .25s ease,transform .25s ease;margin-bottom:0}
.news-item+.news-item{border-top:1px solid var(--line);margin-top:6px}
.news-item__inner{display:flex;gap:20px;align-items:flex-start;padding:18px 4px;border-radius:20px;transition:background .25s ease}
.news-item__inner:hover{background:#FBF8F3}
.news-item__inner:hover .news-title{color:var(--primary-deep)}
.news-thumb{flex:0 0 164px;height:112px;border-radius:18px;overflow:hidden;background:linear-gradient(135deg,#F5C8B5,#FFD89B)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-item__inner:hover .news-thumb img{transform:scale(1.04)}
.news-body{min-width:0;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.news-date{font-size:13px;color:var(--weak);font-weight:600}
.news-title{font-size:19px;font-weight:800;line-height:1.4;margin-bottom:8px;transition:color .25s ease;letter-spacing:-.01em}
.news-excerpt{font-size:14px;color:var(--weak);line-height:1.7;margin-bottom:8px}
.read-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--primary-deep)}
.read-more i{transition:transform .25s ease}
.news-item__inner:hover .read-more i{transform:translateX(4px)}
.empty-state{padding:54px 18px;text-align:center;color:var(--weak)}
.empty-state i{display:block;font-size:38px;margin-bottom:14px;color:#D9C9BC}
@media screen and (max-width:639px){.news-item__inner{flex-direction:column;gap:14px}.news-thumb{flex:none;width:100%;height:108px}}
@media screen and (max-width:520px){
 .latest-panel{padding:34px 20px 10px}.news-meta{font-size:13px}.news-title{font-size:17px}.news-excerpt{font-size:13px}
 .subscribe-card{padding:30px 20px}
}

.subscribe-card > *{position:relative;z-index:2}
.sub-icon{width:50px;height:50px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:21px;background:rgba(15,164,139,.2);color:#A6E7DA;margin-bottom:20px}
.subscribe-card h3{font-size:24px;color:#fff;margin-bottom:10px}
.subscribe-card p{color:#BFCACE;font-size:15px;line-height:1.75;margin-bottom:24px}
.mini-form .form-label{font-size:13px;font-weight:700;color:#D5DDDF;display:block;margin-bottom:8px}
.mini-form input{
 width:100%;height:50px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:rgba(255,255,255,.1);color:#fff;padding:0 16px;margin-bottom:14px;transition:border-color .25s ease,box-shadow .25s ease
}
.mini-form input::placeholder{color:#8FA2A8}
.mini-form input:focus{outline:0;border-color:var(--secondary);box-shadow:0 0 0 4px rgba(15,164,139,.28)}
.btn-subscribe{background:var(--gradient);color:#fff;width:100%;font-weight:800;box-shadow:0 10px 26px rgba(242,94,58,.28)}
.btn-subscribe:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(242,94,58,.4);color:#fff}
.sub-note{font-size:12px;color:#93A6AD;margin-top:14px;text-align:center}

/* editor features */
.feature-layout .feature-card{display:flex;flex-direction:column;height:100%;background:var(--dark);border-radius:28px;overflow:hidden;color:#fff;box-shadow:0 18px 44px rgba(29,42,47,.18);transition:transform .3s ease,box-shadow .3s ease}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 26px 60px rgba(29,42,47,.24)}
.feature-media{position:relative;overflow:hidden;height:250px;background:linear-gradient(135deg,#E8B4A0,#FFC89A)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-media .tag{position:absolute;top:18px;left:18px;z-index:2;background:rgba(255,255,255,.92);color:var(--primary-deep);box-shadow:0 6px 16px rgba(0,0,0,.12)}
.feature-content{padding:28px 28px 26px;display:flex;flex-direction:column;flex:1}
.feature-content .meta{font-size:13px;color:#B9C6CB;margin-bottom:10px;display:flex;align-items:center;gap:12px}
.feature-content h3{font-size:24px;color:#fff;line-height:1.4;margin-bottom:12px}
.feature-content p{font-size:15px;color:#C3CDD1;line-height:1.75;margin-bottom:20px;flex:1}
.read-feature{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:14px;color:var(--warm)}
.read-feature i{transition:transform .25s ease}
.feature-card:hover .read-feature i{transform:translateX(5px)}
.side-stack{display:flex;flex-direction:column;gap:22px;height:100%}
.mini-feature{display:grid;grid-template-columns:128px 1fr;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:24px;overflow:hidden;padding:14px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;min-height:132px}
.mini-feature:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.mini-feature .mf-media{border-radius:16px;overflow:hidden;background:linear-gradient(135deg,#FFC7A0,#CBE8E0)}
.mini-feature .mf-media img{width:128px;height:100%;min-height:116px;object-fit:cover}
.mf-body{padding:6px 6px 6px 0;display:flex;flex-direction:column;justify-content:center;min-width:0}
.mf-meta{font-size:13px;color:var(--weak);margin-bottom:6px;font-weight:600}
.mf-body h3{font-size:17px;font-weight:800;line-height:1.45;color:var(--text);margin-bottom:8px}
.go-read{font-size:13px;font-weight:800;color:var(--primary-deep);display:inline-flex;align-items:center;gap:6px}
.go-read i{transition:transform .25s ease}
.mini-feature:hover .go-read i{transform:translateX(4px)}
@media screen and (max-width:1023.98px){.feature-layout .feature-main-wrap{margin-bottom:24px}}
@media screen and (max-width:639px){.mini-feature{grid-template-columns:96px 1fr}.mini-feature .mf-media img{width:96px;min-height:96px}.feature-media{height:200px}}

/* faq */
.faq-intro p{margin-bottom:22px}
.faq-contact{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow-1)}
.faq-contact i{width:40px;height:40px;border-radius:14px;background:rgba(15,164,139,.12);color:#0A7563;display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px}
.faq-contact strong{display:block;font-size:17px;margin-bottom:8px}
.faq-contact span{font-size:14px;color:var(--weak)}
.faq-list{display:flex;flex-direction:column;gap:18px}
.faq-item{
 border-radius:var(--radius-faq);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .25s ease,transform .25s ease
}
.faq-item:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 25px;cursor:pointer;font-weight:800;font-size:17px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary-deep)}
.faq-item .faq-icon{width:38px;height:38px;flex:0 0 38px;border-radius:50%;background:rgba(242,94,58,.1);color:var(--primary-deep);display:flex;align-items:center;justify-content:center;font-size:15px;transition:transform .35s ease,background .25s ease,color .25s ease}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-item .faq-answer{padding:0 25px 25px;color:var(--weak);font-size:15px;line-height:1.8;border-top:1px dashed var(--line);margin:0 25px 0?;padding-top:18px}
.faq-answer p{margin-bottom:0}
@media screen and (max-width:1023.98px){.faq-list{margin-top:28px}}

/* cta */
.cta-card{
 border-radius:36px;background:linear-gradient(120deg,#F25E3A 0%,#FFB340 100%);color:#fff;position:relative;overflow:hidden;padding:62px 56px;box-shadow:0 24px 60px rgba(242,94,58,.3)
}
.cta-card::after{content:"";position:absolute;right:-90px;bottom:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(closest-side,rgba(255,255,255,.4),transparent)}
.cta-card::before{content:"";position:absolute;left:-70px;top:-120px;width:280px;height:280px;border-radius:50%;background:radial-gradient(closest-side,rgba(255,255,255,.2),transparent)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-kicker{font-size:13px;font-weight:800;letter-spacing:.16em;opacity:.92;margin-bottom:14px;display:block}
.cta-inner h2{font-size:clamp(28px,3.6vw,42px);color:#fff;letter-spacing:-.02em;line-height:1.25;margin-bottom:12px;max-width:640px}
.cta-inner p{color:rgba(255,255,255,.92);max-width:620px;margin-bottom:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.btn-light{background:#fff;color:var(--primary-deep);box-shadow:0 12px 30px rgba(120,35,10,.2)}
.btn-light:hover{color:var(--primary-deep);background:#FFF5ED;transform:translateY(-3px);box-shadow:0 18px 40px rgba(120,35,10,.24)}
.cta-link{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:#fff;font-size:15px;border-bottom:2px solid rgba(255,255,255,.45);padding-bottom:3px}
.cta-link:hover{border-color:#fff;color:#fff}
@media screen and (max-width:639px){.cta-card{padding:40px 22px;border-radius:28px}.cta-actions{flex-direction:column;align-items:flex-start}.cta-actions .btn{width:100%}}

/* footer */
.site-footer{background:var(--dark);color:#B8C4C8;padding:72px 0 28px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.4fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand{display:inline-flex;margin-bottom:16px}
.footer-brand-txt{font-size:15px;line-height:1.8;color:#9BAEB4;max-width:280px;margin-bottom:22px}
.socials{display:flex;gap:10px}
.socials a{width:38px;height:38px;border-radius:13px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#C4D1D5;transition:background .25s ease,color .25s ease,transform .25s ease}
.socials a:hover{background:var(--gradient);color:#fff;transform:translateY(-3px)}
.footer-head{display:block;font-size:14px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:#9BAEB4;font-size:14px;transition:color .2s ease,padding-left .2s ease}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;padding-top:26px;font-size:13px;color:#7F969E}
.footer-bottom span{color:#7F969E}
@media screen and (max-width:1023.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media screen and (max-width:639px){.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}}

/* roulang page: category4 */
:root{
  --primary:#F25E3A;
  --primary-2:#FFB340;
  --accent:#0FA48B;
  --dark:#1D2A2F;
  --bg:#F7F4EF;
  --bg-sub:#F0EAE1;
  --line:#E8DCD0;
  --text:#1D2A2F;
  --muted:#718087;
  --radius-sm:999px;
  --radius-btn:14px;
  --radius-card:24px;
  --radius-xl:32px;
  --radius-faq:20px;
  --shadow-sm:0 8px 24px rgba(29,42,47,.06);
  --shadow-lg:0 18px 44px rgba(29,42,47,.12);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .25s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul{list-style:none}
.grid-container{max-width:1280px;margin:0 auto;padding:0 24px}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sub{padding:64px 0;background:var(--bg-sub)}

/* 顶部导航 ---- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,244,239,.92);backdrop-filter:blur(18px);box-shadow:0 1px 0 rgba(29,42,47,.08)}
.site-header .grid-container{max-width:1280px}
.brand-row{background:transparent}
.brand-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-badge{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 8px 20px rgba(242,94,58,.28)}
.brand-title{font-size:22px;font-weight:900;letter-spacing:.5px;line-height:1.15;color:var(--text);display:block}
.brand-title em{font-style:normal;color:var(--primary)}
.brand-subtitle{font-size:12px;font-weight:600;color:#667;letter-spacing:1px;display:block;margin-top:2px}
.brand-actions{display:flex;align-items:center;gap:14px}
.brand-actions .btn{margin-bottom:0}
.nav-burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:19px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle{display:none}
.channel-nav{border-top:1px solid rgba(29,42,47,.06)}
.channel-inner{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 24px 12px}
.channel-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:#4A5960;padding:9px 20px;border-radius:999px;background:transparent;white-space:nowrap;line-height:1.3}
.channel-link i{font-size:14px;opacity:.85}
.channel-link:hover{background:#fff;color:var(--primary);box-shadow:0 4px 12px rgba(29,42,47,.06)}
.channel-link.active{background:var(--dark);color:#fff;box-shadow:0 8px 18px rgba(29,42,47,.18)}
.channel-link.active:hover{color:#fff;background:var(--dark)}
@media screen and (max-width:900px){
  .site-header{position:relative}
  .nav-burger{display:inline-flex}
  .channel-nav{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .nav-toggle:checked ~ .channel-nav{max-height:260px}
  .channel-inner{flex-wrap:nowrap;overflow-x:auto;padding:6px 16px 14px;gap:6px}
  .channel-link{flex:0 0 auto;padding:8px 16px;font-size:13px}
  .brand-title{font-size:20px}
}
@media screen and (max-width:480px){
  .brand-actions .btn span{display:none}
  .brand-actions .btn{padding:0 16px;font-size:14px}
  .section{padding:64px 0}
  .section-sub{padding:48px 0}
}

/* 通用按钮 ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:var(--radius-btn);padding:0 26px;height:46px;font-size:15px;font-weight:700;cursor:pointer;line-height:1;transition:all .25s ease;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 10px 22px rgba(242,94,58,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(242,94,58,.32);color:#fff}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{transform:translateY(-2px);background:#27363c;color:#fff;box-shadow:var(--shadow-lg)}
.btn-light{background:#fff;color:var(--dark);box-shadow:0 8px 18px rgba(29,42,47,.08)}
.btn-light:hover{transform:translateY(-2px);background:#fff;color:var(--primary);box-shadow:var(--shadow-lg)}
.btn-outline{background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:#fff;color:var(--dark)}

/* Hero ---- */
.contact-hero{position:relative;display:flex;align-items:center;min-height:560px;overflow:hidden;color:#fff}
.contact-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;z-index:0}
.contact-hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(29,42,47,.86) 8%,rgba(29,42,47,.62) 48%,rgba(242,94,58,.35) 100%)}
.contact-hero .container{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:48px}
.contact-hero-main{flex:1 1 55%;min-width:0}
.hero-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:var(--radius-sm);background:rgba(255,255,255,.14);color:#fff;font-size:14px;font-weight:600;letter-spacing:.5px;border:1px solid rgba(255,255,255,.18)}
.contact-hero h1{font-size:52px;line-height:1.16;font-weight:900;color:#fff;margin:22px 0 16px;letter-spacing:0}
.contact-hero .hero-lead{font-size:19px;line-height:1.75;color:rgba(255,255,255,.9);max-width:620px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-tags span{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:999px;font-size:14px}
.contact-hero-aside{flex:0 0 360px;display:grid;gap:16px;grid-template-columns:1fr 1fr;align-items:end;position:relative}
.badge-hero{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);border-radius:26px;padding:22px 20px;backdrop-filter:blur(8px)}
.badge-hero.main{grid-column:1/-1;background:linear-gradient(135deg,rgba(242,94,58,.92),rgba(255,179,64,.88));border:none}
.badge-hero .num{display:block;font-size:38px;font-weight:900;line-height:1;color:#fff}
.badge-hero .lbl{font-size:13px;color:rgba(255,255,255,.86);margin-top:8px;font-weight:500}
.contact-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px}
@media screen and (max-width:1024px){
  .contact-hero{padding:70px 0}
  .contact-hero-main{flex-basis:100%}
  .contact-hero-aside{flex-basis:100%;grid-template-columns:repeat(3,1fr)}
  .contact-hero h1{font-size:42px}
}
@media screen and (max-width:640px){
  .contact-hero{border-radius:0}
  .contact-hero h1{font-size:34px}
  .contact-hero-aside{grid-template-columns:1fr}
  .badge-hero.main{grid-column:auto}
}

/* 合作背景 ---- */
.brand-feature{display:flex;flex-wrap:wrap;gap:44px}
.flex-aside{flex:1 1 28%;min-width:280px}
.flex-aside .kicker,.center-kicker{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:700;color:var(--primary);letter-spacing:2px;margin-bottom:14px}
.kicker::before{content:'';width:30px;height:3px;background:var(--primary);border-radius:99px}
.flex-aside h2,.center-kicker-h2{font-size:38px;line-height:1.3;font-weight:900;letter-spacing:.5px;margin-bottom:20px}
.flex-aside h2 span{color:var(--primary)}
.flex-main{flex:1 1 64%;min-width:0;display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.benefit-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 26px;box-shadow:var(--shadow-sm);transition:all .28s ease;position:relative;overflow:hidden}
.benefit-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.benefit-icon{width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,rgba(15,164,139,.14),rgba(15,164,139,.06));color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px}
.benefit-card h3{font-size:19px;font-weight:800;line-height:1.45;margin-bottom:10px;color:var(--text)}
.benefit-card p{font-size:15px;line-height:1.72;color:var(--muted)}
.benefit-card .id-badge{position:absolute;top:22px;right:22px;font-size:13px;font-weight:900;color:rgba(242,94,58,.2)}
@media(max-width:900px){
  .flex-main{grid-template-columns:1fr}
  .flex-aside h2{font-size:32px}
}

/* 合作类型 ---- */
.coop-section{background:var(--dark);color:#fff;padding:96px 0}
.coop-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:54px}
.coop-head h2{font-size:42px;line-height:1.25;font-weight:900;color:#fff}
.coop-head h2 span{background:linear-gradient(120deg,var(--primary-2),var(--primary)); -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.coop-head p{max-width:480px;color:rgba(255,255,255,.72);font-size:17px;line-height:1.8}
.coop-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.coop-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-card);padding:34px 30px;transition:all .26s ease;backdrop-filter:blur(8px)}
.coop-card:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.coop-card .ico{font-size:26px;color:var(--primary-2);margin-bottom:20px}
.coop-card h3{font-size:23px;font-weight:800;margin-bottom:14px;color:#fff}
.coop-card p{font-size:15.5px;line-height:1.75;color:rgba(255,255,255,.7);margin-bottom:20px}
.coop-tag{display:inline-flex;gap:8px;flex-wrap:wrap}
.coop-tag em{font-style:normal;font-size:13px;padding:6px 12px;border-radius:999px;background:rgba(255,179,64,.13);color:var(--primary-2)}
.coop-tag.alt em{background:rgba(15,164,139,.2);color:#43d9c0}
@media(max-width:900px){
  .coop-section{padding:64px 0}
  .coop-head h2{font-size:34px}
  .coop-grid{grid-template-columns:1fr}
}

/* 流程 ---- */
.steps-head{margin-bottom:46px}
.steps-head .center-kicker,.steps-head h2{}
.center-kicker{justify-content:center}
.steps-head h2{font-size:36px;font-weight:900;text-align:center}
.steps-wrap{display:flex;flex-wrap:wrap;gap:20px;counter-reset:step}
.step{flex:1 1 210px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:30px 26px;position:relative;transition:all .25s ease}
.step:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:62px;height:62px;border-radius:50%;background:#fff;box-shadow:0 10px 22px rgba(29,42,47,.08);font-size:23px;font-weight:900;color:var(--primary);margin-bottom:18px;border:1px dotted var(--primary)}
.step h3{font-size:19px;font-weight:800;margin-bottom:8px}
.step p{font-size:15px;line-height:1.72;color:var(--muted)}
@media(max-width:960px){.steps-wrap{gap:14px}.step{flex-basis:46%}}

/* 联系合作大卡 ---- */
.partner-panel{position:relative}
.partner-panel .contact-form-card{background:#fff;border-radius:var(--radius-xl);padding:46px 44px;box-shadow:var(--shadow-lg)}
.partner-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:0;border-radius:var(--radius-xl);overflow:hidden;background:var(--dark);box-shadow:0 24px 70px rgba(29,42,47,.16)}
.info-cell{background:var(--dark);color:#fff;padding:52px 46px;display:flex;flex-direction:column;justify-content:space-between;gap:44px;background-image:radial-gradient(circle at 20% 10%,rgba(242,94,58,.24),transparent 44%)}
.info-cell .kicker{color:var(--primary-2)}
.info-cell h2{font-size:36px;line-height:1.3;font-weight:900;color:#fff;margin-bottom:18px}
.info-cell > p{color:rgba(255,255,255,.75);font-size:16.5px;line-height:1.8}
.contact-line{display:flex;align-items:flex-start;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.contact-line:last-child{border-bottom:none}
.contact-line .c-icon{flex:0 0 42px;height:42px;border-radius:13px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:var(--primary-2);font-size:18px}
.contact-line .c-info{min-width:0}
.contact-line .c-info small{display:block;font-size:13px;color:rgba(255,255,255,.5);margin-bottom:4px}
.contact-line .c-info strong{font-size:17px;font-weight:700;color:#fff;word-break:break-all}
.contact-line.c-link:hover .c-icon{background:var(--primary);color:#fff}
.form-cell{background:#fff;padding:52px 48px}
.form-cell h3{font-size:25px;font-weight:900;margin-bottom:8px;color:var(--text)}
.form-cell .form-note{font-size:14.5px;color:var(--muted);margin-bottom:28px}
.partner-form label{display:block;font-size:14px;font-weight:700;color:var(--text);margin:18px 0 8px}
.partner-form label .must{color:var(--primary);margin-left:4px}
.form-control{display:block;width:100%;height:50px;border-radius:14px;border:1px solid #DED5CA;background:#FCFBF9;padding:0 18px;color:var(--text);font-size:15px;transition:all .2s ease;outline:none;margin-bottom:0}
.form-control:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(242,94,58,.12)}
textarea.form-control{height:112px;padding:16px 18px;resize:vertical}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234A5960' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 18px center}
.partner-form .btn{width:100%;height:54px;margin-top:24px;font-size:16px}
.submit-hint{text-align:center;font-size:13px;color:#A78F80;margin-top:12px}
.channel-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:26px}
.channel-chip{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);padding:10px 20px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text);box-shadow:var(--shadow-sm)}
.channel-chip i{color:var(--accent)}
@media(max-width:960px){
  .partner-grid{grid-template-columns:1fr}
  .info-cell,.form-cell{padding:38px 28px}
  .info-cell h2{font-size:30px}
}
@media(max-width:480px){
  .form-cell{padding:34px 22px}
  .info-cell{padding:30px 22px}
}

/* FAQ ---- */
.faq-wrap .section-title{text-align:left;margin-bottom:46px}
.faq-wrap h2{font-size:36px;font-weight:900;line-height:1.3}
.faq-wrap h2 span{color:var(--primary)}
.faq-list-display{max-width:880px;display:flex;flex-direction:column;gap:16px}
.faq-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius-faq);box-shadow:var(--shadow-sm);overflow:hidden;transition:all .25s ease}
.faq-block:hover{box-shadow:var(--shadow-lg);border-color:transparent}
.faq-q{display:flex;align-items:center;gap:16px;justify-content:space-between;padding:24px 28px;cursor:pointer}
.faq-q .q-text{font-size:17px;line-height:1.6;font-weight:800;color:var(--text)}
.faq-q .toggle-ic{flex:0 0 30px;height:30px;border-radius:50%;background:var(--bg-sub);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:17px;transition:all .3s ease}
.faq-body{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-body-inner{padding:2px 28px 24px;color:var(--muted);font-size:15.5px;line-height:1.85;border-top:1px dashed var(--line);margin:0 28px 0}
.faq-body-inner p{padding-top:16px}
.faq-check:checked + .faq-q .toggle-ic{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-check:checked ~ .faq-body{max-height:260px}
.faq-check{position:absolute;opacity:0;pointer-events:none}
@media(max-width:600px){
  .faq-q{padding:20px 18px}
  .faq-q .q-text{font-size:15.5px}
  .faq-body-inner{padding-left:18px;padding-right:18px;margin:0 18px 0}
}

/* 合作对象 strip ---- */
.partners-object{background:#fff;border-top:1px solid var(--line);padding:70px 0;overflow:hidden}
.object-inner-wrap{display:flex;flex-wrap:wrap;align-items:center;gap:18px 40px}
.object-tags{flex:1 1 560px;display:flex;flex-wrap:wrap;gap:12px}
.obj-icon{width:52px;height:52px;border-radius:16px;background:rgba(242,94,58,.1);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--primary);flex-shrink:0}
.obj-lead{display:flex;align-items:center;gap:18px;max-width:400px}
.obj-lead strong{font-size:22px;font-weight:900;line-height:1.4}
.object-tags span{font-size:14px;font-weight:600;padding:9px 18px;border:1px solid var(--line);border-radius:999px;color:#4A5960;background:var(--bg);transition:all .2s ease}
.object-tags span:hover{border-color:var(--primary);color:var(--primary);background:#fff}
@media(max-width:800px){.partners-object{padding:52px 0}}

/* CTA尾标 ---- */
.section-cta-end{background:linear-gradient(120deg,var(--primary),var(--primary-2));border-radius:34px;padding:54px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;position:relative;overflow:hidden}
.section-cta-end::before{content:'';position:absolute;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.13);top:-90px;right:-40px}
.section-cta-end h2{font-size:32px;font-weight:900;color:#fff;line-height:1.4;position:relative;z-index:2}
.section-cta-end h2 small{font-size:17px;font-weight:600;font-style:normal;display:block;opacity:.92}
.cta-end-btn{position:relative;z-index:2;margin:0}
.cta-end-btn .btn{background:#fff;color:var(--primary);height:52px;padding:0 34px;border-radius:999px;font-size:16px;font-weight:800;box-shadow:0 14px 30px rgba(29,42,47,.18)}
.cta-end-btn .btn:hover{transform:translateY(-2px);background:#fff;color:var(--dark)}
@media(max-width:720px){
  .section-cta-end{padding:34px 24px;border-radius:26px}
  .section-cta-end h2{font-size:26px}
}

/* Footer共用 ---- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.8);padding-top:72px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .9fr 1fr;gap:50px;padding-bottom:40px}
.footer-brand .brand-title{color:#fff}
.footer-brand-txt{color:rgba(255,255,255,.6);margin:20px 0 22px;font-size:14.5px;line-height:1.75;max-width:340px}
.socials{display:flex;gap:10px}
.socials a{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;border:1px solid rgba(255,255,255,.08)}
.socials a:hover{background:var(--primary);color:#fff}
.footer-head{display:block;color:#fff;font-size:15px;font-weight:800;margin-bottom:18px}
.footer-col ul li{font-size:14px;margin-bottom:11px}
.footer-col a{color:rgba(255,255,255,.62);transition:color .2s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:14px 24px;justify-content:space-between;align-items:center;padding:22px 0;font-size:13px;color:rgba(255,255,255,.46)}
@media(max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:54px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* Scroll top */
.to-top-link{position:fixed;right:24px;bottom:26px;width:50px;height:50px;border-radius:50%;background:var(--dark);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 12px 26px rgba(29,42,47,.2);transition:all .25s ease;z-index:40}
.to-top-link:hover{background:var(--primary);transform:translateY(-4px);color:#fff}
@media(max-width:520px){.to-top-link{right:16px;bottom:18px;width:44px;height:44px}}

/* Utilities */
.text-center{text-align:center}
.mt-1{margin-top:16px}
.mt-2{margin-top:32px}
.mb-0{margin-bottom:0}
hr{display:block;width:100%;margin:56px 0;border:none;border-top:1px solid rgba(29,42,47,.06)}