/* roulang page: index */
:root{
  --brand:#F2542D;
  --brand-2:#FF8A3D;
  --ink:#17181C;
  --ink-2:#2B2C31;
  --muted:#6E6F76;
  --line:#E8E3DA;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --accent:#0FB5A6;
  --grad:linear-gradient(120deg,#F2542D,#FF8A3D);
  --radius-card:22px;
  --radius-pic:16px;
  --shadow-card:0 10px 30px -12px rgba(23,24,28,.14);
  --shadow-hover:0 20px 45px -18px rgba(242,84,45,.30);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;border-radius:var(--radius-pic)}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-family:var(--font);color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(32px,4.5vw,56px);font-weight:700;line-height:1.15}
h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25}
h3{font-size:20px;font-weight:600;line-height:1.4}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}
.section{padding-top:64px;padding-bottom:64px}
@media(min-width:768px){.section{padding-top:96px;padding-bottom:96px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-title{position:relative;padding-left:16px}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad)}
.section-sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;height:64px;display:flex;align-items:center;background:transparent;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;border-bottom:1px solid transparent}
.site-header.is-scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(23,24,28,.35)}
.header-inner{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--ink);letter-spacing:-.01em}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;flex:none;box-shadow:0 8px 18px -10px rgba(242,84,45,.9)}
.nav-desktop{display:none;align-items:center;gap:4px}
@media(min-width:1024px){.nav-desktop{display:flex}}
.nav-link{position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--ink-2);border-radius:10px}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transition:transform .25s ease}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand)}
.header-actions{display:flex;align-items:center;gap:12px}
.search-box{display:none;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.7);color:var(--muted);font-size:14px}
@media(min-width:1024px){.search-box{display:flex}}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;width:120px;font-family:var(--font);color:var(--ink)}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.14)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font);font-weight:600;font-size:15px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;text-align:center}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(242,84,45,.95)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--line);background:rgba(255,255,255,.9);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink-2)}
.btn-ghost:hover{color:var(--brand)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-md{height:48px;padding:0 26px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn[disabled],.btn.is-loading{opacity:.55;cursor:not-allowed;transform:none}
.hamburger{width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;cursor:pointer}
@media(min-width:1024px){.hamburger{display:none}}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.mobile-drawer{position:fixed;inset:0;z-index:70;background:var(--bg);transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;padding:24px}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:20px;cursor:pointer;color:var(--ink);line-height:1}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:14px 12px;font-size:18px;font-weight:600;color:var(--ink);border-radius:14px}
.drawer-nav a.active,.drawer-nav a:hover{background:#fff;color:var(--brand);box-shadow:var(--shadow-card)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px}

/* ---------- hero ---------- */
.hero{padding-top:104px;padding-bottom:56px;position:relative;overflow:hidden}
@media(min-width:1024px){.hero{padding-top:132px;padding-bottom:80px}}
.hero::before{content:"";position:absolute;top:-160px;right:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(255,138,61,.28),rgba(250,247,242,0) 68%);z-index:0}
.hero-grid{position:relative;z-index:1;display:grid;gap:44px}
@media(min-width:1024px){.hero-grid{grid-template-columns:repeat(12,minmax(0,1fr));gap:32px;align-items:center}}
.hero-copy{grid-column:span 12}
@media(min-width:1024px){.hero-copy{grid-column:span 6}}
.hero h1{margin-top:16px}
.hero-lead{margin-top:18px;font-size:17px;color:var(--muted);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.stat-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);box-shadow:0 6px 16px -14px rgba(23,24,28,.4)}
.stat-badge::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);flex:none}
.stat-badge b{font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink)}
.trust-line{margin-top:16px;font-size:13px;color:var(--muted)}
.hero-visual{grid-column:span 12;position:relative;padding-top:8px}
@media(min-width:1024px){.hero-visual{grid-column:span 6;padding-top:56px}}
.hero-visual .photo{width:100%;height:320px;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-card)}
@media(min-width:768px){.hero-visual .photo{height:420px}}
@media(min-width:1024px){.hero-visual .photo{height:460px}}
.float-card{position:relative;margin-top:-56px;margin-left:16px;margin-right:16px;background:#fff;border-radius:var(--radius-card);padding:18px;display:flex;gap:14px;align-items:center;box-shadow:0 24px 50px -26px rgba(23,24,28,.45);border:1px solid rgba(232,227,218,.9)}
@media(min-width:1024px){.float-card{position:absolute;left:-24px;bottom:28px;margin:0;max-width:340px}}
.float-card img{width:76px;height:76px;object-fit:cover;flex:none;border-radius:14px}
.float-card p{font-size:14px;color:var(--muted);line-height:1.5}
.float-card strong{display:block;font-size:15px;color:var(--ink);margin-bottom:2px}
.float-badge{margin-top:8px;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:#0a7f75;background:rgba(15,181,166,.12);padding:4px 10px;border-radius:999px}

/* ---------- feature ---------- */
.feature-grid{display:grid;gap:24px}
@media(min-width:1024px){.feature-grid{grid-template-columns:repeat(12,minmax(0,1fr))}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;position:relative;overflow:hidden}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:rgba(242,84,45,.28)}
.card::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;border-radius:0 4px 4px 0;background:var(--grad)}
.card-pad{padding:28px}
@media(min-width:768px){.card-pad{padding:34px}}
.feature-main{grid-column:span 12}
.feature-side{grid-column:span 12;display:grid;gap:24px}
@media(min-width:1024px){
  .feature-main{grid-column:span 7}
  .feature-side{grid-column:span 5}
}
.point-list{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.point-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
.point-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px;flex:none}
.feature-main img{margin-top:24px;width:100%;height:220px;object-fit:cover;border-radius:var(--radius-pic)}
.tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(242,84,45,.1);color:var(--brand)}

/* ---------- flow ---------- */
.flow-wrap{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-grid{display:grid;gap:22px}
@media(min-width:768px){.flow-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:0}}
.flow-step{position:relative;padding:0 8px}
@media(min-width:768px){.flow-step{padding:0 18px}}
.flow-step:not(:last-child)::after{content:"";position:absolute;display:none}
@media(min-width:768px){
  .flow-step:not(:last-child)::after{display:block;left:calc(50% + 26px);right:-50%;top:24px;border-top:2px dashed var(--line)}
}
.flow-num{width:48px;height:48px;border-radius:50%;background:rgba(15,181,166,.12);color:#0a7f75;display:flex;align-items:center;justify-content:center;font-weight:700;font-variant-numeric:tabular-nums;font-size:16px;position:relative;z-index:1}
.flow-step h3{margin-top:16px;font-size:17px}
.flow-step p{margin-top:8px;font-size:14px;color:var(--muted)}

/* ---------- proof ---------- */
.proof{background:var(--ink);color:#fff}
.proof h2,.proof h3{color:#fff}
.proof .section-sub{color:rgba(255,255,255,.66)}
.proof-grid{display:grid;gap:32px}
@media(min-width:1024px){.proof-grid{grid-template-columns:repeat(12,minmax(0,1fr));gap:32px;align-items:center}}
.proof-stats{grid-column:span 12;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media(min-width:1024px){.proof-stats{grid-column:span 5}}
.proof-stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:20px}
.proof-stat b{display:block;font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1}
.proof-stat span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.7)}
.proof-quotes{grid-column:span 12;display:grid;gap:16px}
@media(min-width:1024px){.proof-quotes{grid-column:span 7;grid-template-columns:repeat(2,minmax(0,1fr))}}
.quote-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:22px;transition:transform .25s ease,border-color .25s ease}
.quote-card:hover{transform:translateY(-2px);border-color:rgba(255,138,61,.6)}
.quote-card p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}
.quote-meta{margin-top:14px;font-size:13px;color:var(--accent);font-weight:600}

/* ---------- news ---------- */
.news-grid{display:grid;gap:24px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(242,84,45,.25)}
.news-cover{overflow:hidden}
.news-cover img{width:100%;height:190px;object-fit:cover;border-radius:0;transition:transform .4s ease}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.news-meta time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover h3{color:var(--brand)}
.news-body p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-more{margin-top:18px;font-size:14px;font-weight:600;color:var(--brand)}
.empty-card{grid-column:1/-1;border:2px dashed var(--line);border-radius:var(--radius-card);padding:48px 24px;text-align:center;background:#fff}
.empty-card .ico{width:52px;height:52px;margin:0 auto 14px;border-radius:14px;background:rgba(15,181,166,.12);display:flex;align-items:center;justify-content:center;font-size:22px;color:#0a7f75}
.empty-card p{color:var(--muted);font-size:15px;margin-bottom:18px}

/* ---------- price ---------- */
.price-grid{display:grid;gap:24px}
@media(min-width:1024px){.price-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:30px;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease;position:relative}
.price-card::before{display:none}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.price-card.featured{border:0;box-shadow:0 30px 60px -30px rgba(242,84,45,.55)}
.price-card.featured::after{content:"";position:absolute;inset:0;border-radius:var(--radius-card);padding:2px;background:var(--grad);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
@media(min-width:1024px){.price-card.featured{margin-top:-24px}}
.price-num{margin:16px 0 6px;font-size:38px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink);line-height:1}
.price-num small{font-size:14px;font-weight:500;color:var(--muted);margin-left:6px}
.price-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:11px}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2)}
.price-list li::before{content:"✓";color:var(--accent);font-weight:700;flex:none}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 22px;box-shadow:0 8px 22px -18px rgba(23,24,28,.35);position:relative;overflow:hidden}
.faq-item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--grad);border-radius:0 3px 3px 0;opacity:0;transition:opacity .2s ease}
.faq-item[open]::before{opacity:1}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 34px 20px 8px;font-size:16px;font-weight:600;color:var(--ink);position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:18px;font-size:20px;font-weight:400;color:var(--brand);transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 12px 22px 8px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- cta ---------- */
.cta-band{background:var(--grad);border-radius:26px;padding:36px 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;color:#fff;box-shadow:0 30px 60px -30px rgba(242,84,45,.75)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-outline{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-outline:hover{background:#fff;color:var(--brand);border-color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);border-top:4px solid transparent;border-image:var(--grad) 1;margin-top:8px}
.footer-grid{display:grid;gap:32px;padding:56px 0 32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer a{color:rgba(255,255,255,.72);font-size:14px;line-height:2}
.site-footer a:hover{color:var(--brand-2)}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px;margin-top:14px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 96px;font-size:13px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
@media(min-width:768px){.footer-bottom{padding-bottom:24px}}

/* ---------- floating cta ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:55;display:none;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 10px;box-shadow:0 20px 45px -20px rgba(23,24,28,.55);opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease}
.float-cta.is-visible{opacity:1;transform:translateY(0)}
@media(min-width:768px){.float-cta{display:flex}}
.float-cta .hint{font-size:13px;color:var(--muted);padding-left:12px}
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:58;display:flex;gap:10px;padding:8px 14px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);height:56px;align-items:center}
@media(min-width:768px){.mobile-bar{display:none}}
.mobile-bar .btn{flex:1}
@media(max-width:767px){.float-cta{display:none}}

/* roulang page: article */
:root{
  --brand:#F2542D;
  --brand-2:#FF8A3D;
  --ink:#17181C;
  --ink-2:#2B2C31;
  --muted:#6E6F76;
  --line:#E8E3DA;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --accent:#0FB5A6;
  --grad:linear-gradient(120deg,#F2542D,#FF8A3D);
  --radius-card:22px;
  --radius-img:16px;
  --shadow:0 10px 30px -12px rgba(23,24,28,.14);
  --shadow-hover:0 20px 45px -18px rgba(242,84,45,.30);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px -12px rgba(242,84,45,.55);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 20px 45px -18px rgba(242,84,45,.62);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink-2);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 18px 36px -18px rgba(23,24,28,.45);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:64px;
  display:flex;align-items:center;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -20px rgba(23,24,28,.5);
}
.header-inner{display:flex;align-items:center;gap:18px;width:100%;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;
}
.nav-desktop{display:none;align-items:center;gap:2px;margin-left:10px;}
@media(min-width:1024px){.nav-desktop{display:flex;}}
.nav-link{
  position:relative;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;
  color:var(--ink-2);transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transition:left .22s ease,right .22s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{left:16px;right:16px;}
.nav-link.active{color:var(--brand);background:rgba(242,84,45,.09);}
.nav-link.active::after{left:16px;right:16px;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:none;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--muted);transition:border-color .2s ease,box-shadow .2s ease;
}
@media(min-width:1180px){.search-box{display:flex;}}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.12);}
.search-box input{border:0;outline:0;background:transparent;width:132px;font-size:14px;color:var(--ink);}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;transition:border-color .2s ease;
}
.hamburger:hover{border-color:var(--brand);}
@media(min-width:1024px){.hamburger{display:none;}}
.hamburger span{display:block;position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--bg);padding:20px;
  display:flex;flex-direction:column;transform:translateX(102%);transition:transform .3s ease;
}
.drawer.open{transform:translateX(0);}
@media(min-width:1024px){.drawer{display:none;}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  cursor:pointer;font-size:16px;color:var(--ink-2);
}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:auto;}
.drawer-nav a{padding:15px 12px;border-radius:14px;font-size:18px;font-weight:500;color:var(--ink-2);border-bottom:1px solid var(--line);}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);background:#fff;}

/* ---------- 文章头部 ---------- */
.article-head{padding-top:106px;padding-bottom:10px;}
@media(min-width:768px){.article-head{padding-top:136px;}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C4BEB4;}
.breadcrumb .current{color:#A9A49B;}
.cat-bar{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(242,84,45,.10);color:var(--brand);font-size:13px;font-weight:600;
}
.cat-bar h2{font-size:14px;font-weight:500;color:var(--muted);letter-spacing:.01em;}
.article-title{
  font-size:clamp(26px,3.6vw,42px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
  max-width:920px;margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13px;color:var(--muted);padding-bottom:26px;border-bottom:1px solid var(--line);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC8BD;}

/* ---------- 正文布局 ---------- */
.article-body{padding:40px 0 8px;}
.article-layout{display:block;max-width:760px;margin:0 auto;}
.article-side{margin-top:52px;}
@media(min-width:1024px){
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;max-width:none;align-items:start;}
  .article-side{margin-top:0;position:sticky;top:96px;}
}

/* ---------- 正文排版 ---------- */
.prose{font-size:16px;color:var(--ink-2);}
.prose p{margin-bottom:1.25em;line-height:1.9;}
.prose h2{
  position:relative;padding-left:18px;margin:2.4em 0 .8em;
  font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.35;color:var(--ink);
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:99px;background:var(--grad);
}
.prose h3{font-size:19px;font-weight:600;margin:1.8em 0 .6em;color:var(--ink);}
.prose ul,.prose ol{margin:0 0 1.25em;}
.prose ul li{position:relative;padding-left:20px;margin-bottom:10px;line-height:1.85;}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.prose ol{list-style:decimal;padding-left:1.2em;}
.prose ol li{margin-bottom:10px;line-height:1.85;}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;background:#FDF6EE;border-left:3px solid var(--brand);
  border-radius:0 14px 14px 0;color:var(--ink-2);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--radius-img);margin:1.6em 0;}
.prose figure{margin:1.6em 0;}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.prose a{color:var(--ink-2);text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:3px;}
.prose a:hover{color:var(--brand);}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border-radius:14px;overflow:hidden;background:#fff;}
.prose th{background:#F4EFE8;text-align:left;padding:12px 16px;font-weight:600;color:var(--ink);}
.prose td{padding:12px 16px;border-top:1px solid var(--line);}
.prose tbody tr:nth-child(even){background:#FCFAF7;}
.prose hr{border:0;height:1px;background:var(--line);margin:2.2em 0;}

/* ---------- 空状态 ---------- */
.empty-state{
  border:1px dashed #D9D2C7;border-radius:var(--radius-card);background:#fff;
  padding:56px 28px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:18px;display:grid;place-items:center;
  background:rgba(15,181,166,.12);color:var(--accent);font-size:24px;
}
.empty-state p{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.empty-state span{display:block;font-size:14px;color:var(--muted);margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow);margin-bottom:18px;
}
.side-card img{border-radius:var(--radius-img);aspect-ratio:16/9;object-fit:cover;margin-bottom:16px;}
.side-card h3{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--ink);}
.side-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:14px;}
.side-list li{border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:0;}
.side-list a{display:flex;align-items:center;justify-content:space-between;padding:11px 0;font-size:14px;color:var(--ink-2);transition:color .2s ease,padding-left .2s ease;}
.side-list a::after{content:"›";color:#C4BEB4;font-size:16px;}
.side-list a:hover{color:var(--brand);padding-left:4px;}
.side-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.side-link:hover{text-decoration:underline;text-underline-offset:3px;}
.side-cta{background:linear-gradient(140deg,#FFF3EC,#FFF9F4);border-color:#F8DFD2;}

/* ---------- 文章标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:48px 0 0;padding-top:26px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 8px;}
.section-title{
  position:relative;padding-left:16px;font-size:clamp(20px,2.4vw,26px);font-weight:700;
  letter-spacing:-.01em;margin-bottom:26px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:99px;background:var(--grad);
}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.related-grid{grid-template-columns:1fr 1fr;}}
.related-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F6D3C4;}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.related-body{padding:20px 22px 24px;}
.related-body h3{font-size:17px;font-weight:600;margin-bottom:8px;transition:color .2s ease;}
.related-card:hover .related-body h3{color:var(--brand);}
.related-body p{font-size:14px;color:var(--muted);line-height:1.75;}
.related-foot{margin-top:28px;}

/* ---------- CTA ---------- */
.cta-band{padding:64px 0 76px;}
.cta-card{
  background:var(--grad);border-radius:26px;padding:34px 28px;color:#fff;
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
  box-shadow:0 26px 50px -24px rgba(242,84,45,.62);
}
@media(min-width:768px){.cta-card{padding:42px 46px;}}
.cta-card h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;letter-spacing:-.01em;}
.cta-card p{font-size:14px;opacity:.92;margin-top:8px;max-width:520px;line-height:1.75;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9C7C2;border-top:4px solid transparent;border-image:var(--grad) 1;padding:56px 0 26px;margin-top:20px;}
@media(min-width:768px){.site-footer{padding:64px 0 28px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.site-footer ul li{margin-bottom:10px;}
.site-footer a{font-size:14px;color:#C9C7C2;transition:color .2s ease;}
.site-footer a:hover{color:#FF8A3D;}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:#9B9995;max-width:360px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8A8885;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:55;display:none;align-items:center;gap:8px;
  height:48px;padding:0 22px;border-radius:999px;background:#fff;color:var(--ink);
  font-size:14px;font-weight:600;border:1px solid var(--line);box-shadow:var(--shadow);
  opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .3s ease,transform .3s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{box-shadow:var(--shadow-hover);border-color:#F6D3C4;color:var(--brand);}
.float-cta .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);}
@media(min-width:768px){.float-cta{display:inline-flex;}}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;height:56px;padding:0 14px;gap:10px;
  display:flex;align-items:center;background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--line);
}
@media(min-width:768px){.mobile-bar{display:none;}}
.mobile-bar .btn{flex:1;height:40px;font-size:14px;padding:0 12px;}
@media(max-width:767px){body{padding-bottom:60px;}}

/* roulang page: category1 */
:root{
  --brand:#F2542D;
  --brand-2:#FF8A3D;
  --ink:#17181C;
  --ink-2:#2B2C31;
  --muted:#6E6F76;
  --line:#E8E3DA;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --accent:#0FB5A6;
  --radius-card:22px;
  --radius-img:16px;
  --radius-input:14px;
  --shadow:0 10px 30px -12px rgba(23,24,28,.14);
  --shadow-hover:0 20px 45px -18px rgba(242,84,45,.30);
  --grad:linear-gradient(120deg,#F2542D,#FF8A3D);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;height:64px;
  background:rgba(250,247,242,.82);
  backdrop-filter:saturate(150%) blur(10px);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 20px -16px rgba(23,24,28,.45);
}
.header-inner{display:flex;align-items:center;gap:28px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:17px;flex:none;
}
.nav-desktop{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;font-weight:500;
  color:var(--ink-2);border-radius:999px;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:3px;height:2px;width:0;border-radius:2px;
  background:var(--grad);transform:translateX(-50%);transition:width .25s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:58%;}
.nav-link.active{color:var(--brand);background:rgba(242,84,45,.07);}
.nav-link.active::after{width:58%;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:999px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.14);}
.search-box span{font-size:13px;opacity:.6;}
.search-box input{border:0;outline:0;background:transparent;width:132px;font-size:14px;color:var(--ink-2);}
.search-box input::placeholder{color:#9C9DA3;}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:"";display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:.2s;
}
.hamburger span::before{position:absolute;top:-6px;}
.hamburger span::after{position:absolute;top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px -14px rgba(242,84,45,.75);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 36px -16px rgba(242,84,45,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.65);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);}
.btn:disabled{opacity:.55;cursor:not-allowed;filter:grayscale(.4);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;background:var(--bg);padding:20px 20px 28px;
  display:flex;flex-direction:column;gap:8px;transform:translateX(102%);transition:transform .28s ease;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;color:var(--ink);cursor:pointer;
}
.drawer-link{
  display:block;padding:14px 12px;font-size:18px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--brand);}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.drawer-cta .btn{width:100%;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;padding:128px 0 56px;
  background-image:
    linear-gradient(105deg,rgba(23,24,28,.9) 0%,rgba(23,24,28,.7) 42%,rgba(23,24,28,.28) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.2;letter-spacing:-.01em;
  max-width:840px;margin-top:18px;
}
.page-hero .sub{
  margin-top:14px;font-size:clamp(15px,1.6vw,18px);line-height:1.7;color:rgba(255,255,255,.86);
  max-width:640px;
}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:#fff;backdrop-filter:blur(6px);
}
.hero-tags span::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);flex:none;
}

/* ---------- 板块 ---------- */
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:96px 0;}}
.section-alt{background:#fff;}
.section-head{max-width:780px;margin-bottom:40px;}
.section-head h2{
  position:relative;padding-left:16px;font-size:clamp(23px,2.9vw,34px);font-weight:700;
  line-height:1.32;color:var(--ink);letter-spacing:-.01em;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--grad);
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.8;}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .25s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.card-pad{padding:24px;}
@media (min-width:768px){.card-pad{padding:32px;}}
.card-bar{position:relative;overflow:hidden;}
.card-bar::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:4px;background:var(--grad);
}

.split{display:grid;gap:32px;align-items:center;}
@media (min-width:1024px){
  .split{grid-template-columns:1fr 1fr;gap:56px;}
  .split.reverse .split-media{order:-1;}
}
.split-media img{
  width:100%;height:100%;object-fit:cover;border-radius:var(--radius-img);
  box-shadow:var(--shadow);transition:transform .4s ease;
}
.split-media{overflow:hidden;border-radius:var(--radius-img);}
.split-media:hover img{transform:scale(1.03);}
.split h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:14px;}
.split .lead{font-size:15px;color:var(--muted);margin-bottom:16px;line-height:1.8;}

.check-list li{
  position:relative;padding-left:26px;margin-bottom:10px;font-size:15px;line-height:1.75;color:var(--ink-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;background:var(--accent);
}

.badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:500;background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.badge-dot::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--accent);flex:none;}
.badge-tint{background:rgba(242,84,45,.08);border-color:rgba(242,84,45,.22);color:var(--brand);}

.stat{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.stat .num{font-size:32px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1;}
.stat .num em{font-style:normal;font-size:15px;color:var(--accent);margin-left:4px;font-weight:600;}
.stat .lbl{margin-top:8px;font-size:13px;color:var(--muted);}

.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .25s ease;display:block;
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.mini-card h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.mini-card p{font-size:15px;color:var(--muted);line-height:1.8;}
.mini-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:rgba(15,181,166,.12);color:#0a8a7f;font-weight:700;font-size:15px;margin-bottom:14px;
}
.tip-line{margin-top:14px;font-size:14px;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:12px;}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--brand),var(--shadow);border-color:rgba(242,84,45,.24);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--brand);line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- 互链 ---------- */
.link-card{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .25s ease,border-color .22s ease;
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(242,84,45,.3);}
.link-card strong{display:block;font-size:17px;color:var(--ink);margin-bottom:6px;font-weight:600;}
.link-card span{font-size:14px;color:var(--muted);}
.link-card .arrow{color:var(--brand);font-size:20px;flex:none;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--grad);border-radius:26px;padding:28px;
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
  box-shadow:0 24px 50px -26px rgba(242,84,45,.8);
}
.cta-bar h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:#fff;line-height:1.35;}
.cta-bar p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.9);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-primary{background:#fff;color:var(--brand);box-shadow:0 12px 28px -18px rgba(0,0,0,.6);}
.cta-actions .btn-primary:hover{background:#fff;color:#d9411c;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:110;display:flex;align-items:center;gap:10px;
  padding:10px;border-radius:999px;background:rgba(255,255,255,.96);border:1px solid var(--line);
  box-shadow:0 18px 40px -18px rgba(23,24,28,.45);backdrop-filter:blur(8px);
  opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .25s ease,transform .25s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);margin-top:64px;
  border-top:4px solid transparent;
  border-image:linear-gradient(120deg,#F2542D,#FF8A3D) 1;
  padding:56px 0 0;
}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr;padding-bottom:40px;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;}}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease;}
.site-footer ul a:hover{color:#FF8A3D;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-desktop{display:none;}
  .search-box{display:none;}
  .hamburger{display:inline-flex;}
  .header-actions{gap:10px;}
}
@media (max-width:640px){
  .site-header{height:56px;}
  .header-inner{height:56px;gap:14px;}
  .logo{font-size:15px;}
  .logo-mark{width:30px;height:30px;border-radius:9px;font-size:15px;}
  .page-hero{padding:96px 0 44px;}
  .btn{height:46px;padding:0 20px;}
  .cta-bar{padding:24px 20px;border-radius:22px;}
  .float-cta{
    left:0;right:0;bottom:0;height:64px;border-radius:0;padding:8px 14px;
    justify-content:space-between;background:#fff;border:0;border-top:1px solid var(--line);
    box-shadow:0 -12px 30px -20px rgba(23,24,28,.5);
  }
  .float-cta .btn{flex:1;height:46px;}
  .float-cta .float-label{display:none;}
}
@media (min-width:768px){
  .float-cta.show .float-label{display:inline;}
}

/* roulang page: category2 */
:root{
  --brand:#F2542D;--brand-2:#FF8A3D;--ink:#17181C;--ink-2:#2B2C31;--muted:#6E6F76;
  --line:#E8E3DA;--bg:#FAF7F2;--surface:#FFFFFF;--accent:#0FB5A6;
  --grad:linear-gradient(120deg,#F2542D,#FF8A3D);
  --r-card:22px;--r-img:16px;--r-btn:999px;
  --shadow:0 10px 30px -12px rgba(23,24,28,.14);
  --shadow-hover:0 20px 45px -18px rgba(242,84,45,.30);
  --danger:#D93A3A;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;}
body.page-body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s,filter .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(242,84,45,.85);}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 18px 34px -16px rgba(242,84,45,.75);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{background:#D9D6D0;color:#8A8880;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:64px;
  display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:background .25s,box-shadow .25s,border-color .25s;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px -20px rgba(23,24,28,.55);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;}
.logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;flex:0 0 auto;
}
.nav-desktop{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:var(--ink-2);
  border-radius:999px;transition:color .2s,background .2s;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transition:left .25s,right .25s;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{left:12px;right:12px;}
.nav-link.active{color:var(--brand);background:rgba(242,84,45,.08);}
.nav-link.active::after{left:12px;right:12px;}
.header-actions{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s,box-shadow .2s;
}
.search-box span{font-size:13px;opacity:.65;}
.search-box input{border:0;outline:0;background:transparent;width:124px;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#A9A6A0;}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.14);}
.hamburger{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  place-items:center;transition:border-color .2s,background .2s;
}
.hamburger:hover{border-color:var(--brand);}
.hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-2);position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--ink-2);
}
.hamburger span::before{top:-5px;}
.hamburger span::after{top:5px;}

.mobile-drawer{
  position:fixed;inset:0;z-index:70;background:var(--bg);
  padding:88px 24px 32px;display:flex;flex-direction:column;gap:8px;
  transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform .3s ease,opacity .3s ease;
}
.mobile-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto;}
.mobile-drawer a.drawer-link{
  font-size:18px;font-weight:600;color:var(--ink-2);padding:14px 4px;border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link.active{color:var(--brand);}
.mobile-drawer .drawer-foot{margin-top:auto;display:grid;gap:10px;}
.drawer-close{
  position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;font-size:18px;color:var(--ink-2);display:grid;place-items:center;
}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;margin-top:64px;overflow:hidden;display:flex;align-items:center;min-height:280px;}
.page-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(23,24,28,.90) 0%,rgba(23,24,28,.72) 44%,rgba(242,84,45,.30) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);}
.crumb a:hover{color:#FF8A3D;}
.crumb .sep{opacity:.6;}
.crumb .current{color:rgba(255,255,255,.55);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:500;
  color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,50px);font-weight:700;line-height:1.15;letter-spacing:-0.01em;
  max-width:820px;
}
.page-hero .hero-sub{margin-top:14px;font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.82);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.page-hero .btn-ghost{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.34);color:#fff;}
.page-hero .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:#fff;color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
@media(min-width:768px){.section{padding:88px 0;}}
.section-head{max-width:720px;margin-bottom:36px;}
.section-label{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;
  letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.section-label::before{content:"";width:16px;height:4px;border-radius:2px;background:var(--grad);}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--ink);}
.section-desc{margin-top:12px;color:var(--muted);font-size:15.5px;}

/* ---------- 概览错落卡 ---------- */
.overview-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.ov-main,.ov-side{grid-column:span 12;}
@media(min-width:960px){
  .ov-main{grid-column:span 7;}
  .ov-side{grid-column:span 5;}
}
.ov-side{display:grid;gap:24px;align-content:start;}
.ov-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow);overflow:hidden;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.ov-card::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
}
.ov-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(242,84,45,.25);}
.ov-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.ov-card p{color:var(--muted);font-size:15px;}
.ov-list{margin-top:16px;display:grid;gap:10px;}
.ov-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);}
.ov-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--accent);
}
.ov-media{margin-top:20px;border-radius:var(--r-img);overflow:hidden;}
.ov-media img{width:100%;height:210px;object-fit:cover;transition:transform .5s ease;}
.ov-card:hover .ov-media img{transform:scale(1.03);}

/* ---------- 数据徽章 ---------- */
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.badge{
  display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-2);
}
.badge::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);}
.badge b{font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink);}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:23px;top:16px;bottom:16px;width:2px;
  background:repeating-linear-gradient(180deg,var(--line) 0 8px,transparent 8px 16px);
}
.tl-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:18px;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:relative;z-index:1;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;background:#fff;border:2px solid var(--accent);color:var(--accent);
  transition:transform .25s,box-shadow .25s;
}
.tl-item:first-child .tl-dot{background:var(--grad);border-color:transparent;color:#fff;}
.tl-item:hover .tl-dot{transform:scale(1.06);box-shadow:0 12px 26px -16px rgba(242,84,45,.8);}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(242,84,45,.25);}
.tl-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.tl-card p{color:var(--muted);font-size:15px;}
.tl-points{margin-top:14px;display:grid;gap:8px;}
.tl-points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);}
.tl-points li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:rgba(15,181,166,.85);
}

/* ---------- 提示卡 ---------- */
.tip-band{background:#F3EFE7;}
.tip-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.tip-card{
  grid-column:span 12;background:#fff;border:1px dashed #D9D2C6;border-radius:var(--r-card);
  padding:26px;display:flex;gap:18px;align-items:flex-start;
}
@media(min-width:900px){.tip-card{grid-column:span 6;}}
.tip-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(15,181,166,.12);color:var(--accent);font-size:20px;font-weight:700;
}
.tip-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.tip-card p{color:var(--muted);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;
  transition:box-shadow .25s,border-color .25s;overflow:hidden;
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--brand),var(--shadow);border-color:rgba(242,84,45,.22);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:17px;font-weight:600;
  color:var(--brand);background:rgba(242,84,45,.10);transition:transform .2s,background .2s;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item summary:hover{color:var(--brand);}
.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- 互链 ---------- */
.link-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:820px){.link-grid{grid-template-columns:repeat(2,1fr);}}
.link-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(242,84,45,.28);}
.link-card img{width:100%;height:180px;object-fit:cover;transition:transform .5s ease;}
.link-card:hover img{transform:scale(1.03);}
.link-body{padding:22px;}
.link-body h3{font-size:18px;font-weight:600;margin-bottom:8px;transition:color .2s;}
.link-card:hover .link-body h3{color:var(--brand);}
.link-body p{color:var(--muted);font-size:14.5px;}
.link-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--brand);}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 72px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:26px;background:var(--grad);color:#fff;
  padding:32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  box-shadow:0 30px 60px -34px rgba(242,84,45,.9);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-70px;width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-card h2{font-size:clamp(21px,2.4vw,27px);font-weight:700;}
.cta-card p{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.88);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}
.cta-card .btn-primary{background:#fff;color:var(--brand);box-shadow:0 14px 30px -18px rgba(23,24,28,.6);}
.cta-card .btn-primary:hover{filter:none;background:#FFF3EE;}
.cta-card .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);color:#fff;}
.cta-card .btn-ghost:hover{background:rgba(255,255,255,.22);border-color:#fff;color:#fff;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:55;display:flex;align-items:center;gap:10px;
  padding:10px;border-radius:999px;background:rgba(255,255,255,.95);
  border:1px solid var(--line);box-shadow:0 18px 40px -20px rgba(23,24,28,.5);
  opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .3s,transform .3s;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:0;background:var(--ink);color:#B7B5B0;padding:56px 0 24px;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;}}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9E9C97;max-width:340px;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.site-footer ul{display:grid;gap:10px;}
.site-footer ul a{font-size:14.5px;color:#9E9C97;transition:color .2s;}
.site-footer ul a:hover{color:#FF8A3D;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#8A8883;
}

/* ---------- 响应式 ---------- */
@media(max-width:1023px){
  .nav-desktop,.search-box{display:none;}
  .hamburger{display:grid;}
}
@media(max-width:767px){
  .site-header{height:56px;}
  .page-hero{margin-top:56px;min-height:240px;}
  .page-hero .container{padding-top:40px;padding-bottom:40px;}
  .logo span:last-child{font-size:15px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;padding:8px 12px;
    display:grid;grid-template-columns:1fr 1fr;gap:8px;
    border-left:0;border-right:0;border-bottom:0;border-top:1px solid var(--line);
    opacity:1;transform:none;pointer-events:auto;background:rgba(255,255,255,.98);
  }
  body.page-body{padding-bottom:70px;}
  .tl-item{grid-template-columns:40px 1fr;gap:14px;}
  .tl-dot{width:40px;height:40px;font-size:15px;}
  .timeline::before{left:19px;}
  .cta-card{padding:26px 22px;}
  .footer-bottom{justify-content:flex-start;}
}
@media(max-width:520px){
  .btn{width:100%;}
  .hero-actions,.cta-actions{width:100%;}
  .header-actions .btn-sm{display:none;}
}

/* roulang page: category3 */
:root{
  --brand:#F2542D;
  --brand-2:#FF8A3D;
  --ink:#17181C;
  --ink-2:#2B2C31;
  --muted:#6E6F76;
  --line:#E8E3DA;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --accent:#0FB5A6;
  --grad:linear-gradient(120deg,#F2542D,#FF8A3D);
  --r-card:22px;
  --r-img:16px;
  --r-input:14px;
  --shadow:0 10px 30px -12px rgba(23,24,28,.14);
  --shadow-hover:0 20px 45px -18px rgba(242,84,45,.30);
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;letter-spacing:-.01em}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px -12px rgba(242,84,45,.65)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-hover);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;filter:none}

/* 头部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--header-h);
  background:transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease,backdrop-filter .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(250,247,242,.92);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -20px rgba(23,24,28,.45);
}
.header-inner{display:flex;align-items:center;gap:24px;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);font-size:16px;letter-spacing:-.01em;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;
  box-shadow:0 8px 18px -10px rgba(242,84,45,.8);
}
.nav-desktop{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;padding:8px 14px;font-size:15px;font-weight:500;color:var(--ink-2);
  border-radius:999px;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transition:left .25s ease,right .25s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{left:22%;right:22%}
.nav-link.active{color:var(--brand);font-weight:600;background:#FDF1EC}
.nav-link.active::after{left:30%;right:30%}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box span{font-size:13px;opacity:.65}
.search-box input{border:0;background:transparent;outline:none;width:130px;font-size:14px}
.search-box input::placeholder{color:#A8A9AF}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.14)}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;position:relative;
}
.hamburger span,.hamburger::before,.hamburger::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transform:translateX(-50%);transition:transform .25s ease,opacity .25s ease;
}
.hamburger span{top:50%;margin-top:-1px}
.hamburger::before{top:15px}
.hamburger::after{top:25px}
.hamburger.open span{opacity:0}
.hamburger.open::before{transform:translateX(-50%) translateY(9px) rotate(45deg)}
.hamburger.open::after{transform:translateX(-50%) translateY(-9px) rotate(-45deg)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:55;background:var(--bg);
  padding:88px 24px 96px;transform:translateX(100%);
  transition:transform .3s ease;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer nav{display:flex;flex-direction:column;gap:6px}
.drawer a.drawer-link{
  font-size:18px;font-weight:600;color:var(--ink);padding:16px 4px;border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.active{color:var(--brand)}
.drawer-cta{position:fixed;left:0;right:0;bottom:0;padding:12px 24px;background:var(--surface);border-top:1px solid var(--line)}
.drawer-cta .btn{width:100%}

/* 内页 Hero */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:132px 0 72px;
  min-height:280px;
}
.page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(23,24,28,.92) 0%,rgba(23,24,28,.72) 42%,rgba(242,84,45,.42) 100%);
}
.page-hero-inner{position:relative;z-index:2;max-width:840px}
.crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a:hover{color:#FF8A3D}
.crumb .now{color:rgba(255,255,255,.6)}
.page-hero h1{color:#fff;font-size:clamp(28px,4vw,46px);font-weight:700;line-height:1.18;letter-spacing:-.01em}
.page-hero p{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.85);max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:#fff;backdrop-filter:blur(4px);
}

/* 通用板块 */
.section{padding:64px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{
  font-size:clamp(24px,3vw,34px);font-weight:700;
  padding-left:16px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand);letter-spacing:.06em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent)}

/* 数据徽章网格 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  overflow:hidden;
}
.stat-card::before{
  content:"";position:absolute;left:24px;top:22px;width:8px;height:8px;border-radius:3px;background:var(--accent);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F6D6C8}
.stat-num{
  display:flex;align-items:baseline;gap:6px;margin-top:18px;
  font-size:clamp(30px,3.6vw,44px);font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:15px;font-weight:600;color:var(--brand)}
.stat-card h3{margin-top:10px;font-size:16px;font-weight:600}
.stat-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}

/* 图文块 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);transition:transform .5s ease}
.split-media:hover img{transform:scale(1.03)}
.split-media .float-card{
  position:absolute;right:18px;bottom:18px;background:rgba(255,255,255,.96);
  border-radius:18px;padding:14px 18px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;
  max-width:250px;
}
.split-media .float-card img{width:52px;height:52px;border-radius:12px;aspect-ratio:1/1;object-fit:cover;flex:0 0 auto}
.split-media .float-card b{display:block;font-size:14px;color:var(--ink)}
.split-media .float-card span{font-size:12px;color:var(--muted)}
.split-body h3{font-size:20px;font-weight:600;margin-bottom:14px}
.split-body p{color:var(--muted);font-size:15px}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.check-list li{position:relative;padding-left:28px;font-size:15px;color:var(--ink-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:rgba(15,181,166,.14);border:1px solid rgba(15,181,166,.4);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:14px;width:6px;height:3px;border-left:2px solid var(--accent);
  border-bottom:2px solid var(--accent);transform:rotate(-45deg);
}
.note-card{
  margin-top:24px;background:#FDF7F2;border:1px dashed #F0CBB8;border-radius:18px;padding:18px 20px;
  font-size:14px;color:#8A4A2E;line-height:1.75;
}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad);opacity:0;transition:opacity .2s ease;
}
.faq-item[open]{box-shadow:var(--shadow);border-color:#F6D6C8}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:#FDF1EC;margin-top:2px;transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:transform .2s ease,opacity .2s ease}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-item[open] .faq-icon::after{opacity:0;transform:translate(-50%,-50%) scaleY(.2)}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* 互链卡 */
.link-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.link-card{
  display:flex;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.link-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F6D6C8}
.link-card img{width:92px;height:72px;border-radius:14px;object-fit:cover;flex:0 0 auto}
.link-card h3{font-size:17px;font-weight:600;transition:color .2s ease}
.link-card:hover h3{color:var(--brand)}
.link-card p{margin-top:6px;font-size:14px;color:var(--muted)}
.link-card .arrow{margin-left:auto;color:var(--brand);font-weight:700;font-size:18px}

/* CTA 条 */
.cta-band{
  background:var(--grad);border-radius:26px;padding:32px 36px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:0 24px 45px -26px rgba(242,84,45,.75);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,26px);font-weight:700}
.cta-band p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.85)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--brand);box-shadow:0 12px 24px -14px rgba(23,24,28,.5)}
.btn-white:hover{transform:translateY(-1px)}
.btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-white:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px)}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:50;
  display:flex;gap:10px;align-items:center;padding:8px;border-radius:999px;
  background:rgba(255,255,255,.96);border:1px solid var(--line);box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0)}

/* 页脚 */
.site-footer{background:var(--ink);color:#B9BAC1;position:relative;margin-top:40px}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:56px 0 40px;
}
.footer-logo{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;font-size:16px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:#9A9BA3;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer a{font-size:14px;color:#B9BAC1;transition:color .2s ease}
.site-footer a:hover{color:#FF8A3D}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8A8B93;
}

/* 响应式 */
@media (max-width:1023px){
  .nav-desktop{display:none}
  .search-box{display:none}
  .hamburger{display:block}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  :root{--header-h:56px}
  .logo{font-size:15px}
  .logo span:last-child{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .header-actions .btn{display:none}
  .page-hero{padding:104px 0 56px;min-height:240px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .link-grid{grid-template-columns:1fr}
  .link-card img{width:76px;height:62px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;padding:8px 16px;
    border-left:0;border-right:0;border-bottom:0;opacity:1;pointer-events:auto;transform:none;
    background:rgba(255,255,255,.98);
  }
  .float-cta .btn{flex:1}
  body{padding-bottom:70px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:519px){
  .stat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section-head h2{padding-left:14px}
  .split-media .float-card{right:12px;bottom:12px;max-width:210px;padding:12px 14px}
}