/* roulang page: index */
:root{
  --bg:#FBF7EF;
  --surface:#FFFFFF;
  --surface-2:#F3EBDC;
  --ink:#1B1A16;
  --ink-2:#4C473C;
  --line:#E3D8C2;
  --primary:#DFA32A;
  --primary-strong:#B57C10;
  --primary-soft:#FAE9C4;
  --deep:#1F4A42;
  --deep-2:#143129;
  --accent:#C24E38;
  --ok:#3E7A5A;
  --radius:16px;
  --radius-sm:10px;
  --radius-img:12px;
  --shadow:0 1px 2px rgba(27,26,22,.06), 0 14px 30px -20px rgba(27,26,22,.35);
  --shadow-hover:0 1px 2px rgba(27,26,22,.08), 0 22px 42px -22px rgba(27,26,22,.45);
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--deep);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--primary-strong);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus-visible{outline:2px solid var(--deep);outline-offset:2px;border-radius:4px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--deep);color:#F6F1E4;padding:10px 18px;z-index:200;border-radius:0 0 10px 0;}
.skip-link:focus{left:0;color:#F6F1E4;}

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

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--primary);color:#221C0B;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--primary-strong);color:#1B1A16;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow);}
.btn-ghost{background:transparent;border-color:rgba(31,74,66,.32);color:var(--deep);}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--deep);color:var(--deep);transform:translateY(-2px);}
.btn-block{width:100%;}
.link-more{font-size:15px;font-weight:600;color:var(--deep);border-bottom:1px solid var(--deep);padding-bottom:2px;transition:color .18s ease-out,border-color .18s ease-out;}
.link-more:hover{color:var(--primary-strong);border-color:var(--primary-strong);}

/* ---------- tags ---------- */
.tag{display:inline-block;font-size:12px;font-weight:500;letter-spacing:.04em;padding:4px 10px;border-radius:999px;background:var(--primary-soft);color:#3A2E10;}
.tag-dark{background:var(--deep);color:#F6F1E4;}
.badge-corner{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;padding:3px 9px;border-radius:999px;background:var(--accent);color:#FFF6F2;}
.stripes{height:6px;background:repeating-linear-gradient(45deg,var(--primary) 0 10px,var(--deep) 10px 20px);}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out;}
.site-head.is-compact{box-shadow:0 10px 24px -18px rgba(27,26,22,.55);}
.brand-row{display:flex;align-items:center;height:72px;gap:20px;transition:height .22s ease-out,opacity .18s ease-out,overflow .2s;}
.site-head.is-compact .brand-row{height:0;opacity:0;overflow:hidden;pointer-events:none;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-tile{
  width:44px;height:44px;border-radius:12px;background:var(--primary);
  display:grid;place-items:center;flex:0 0 auto;box-shadow:inset 0 -3px 0 rgba(27,26,22,.14);
}
.logo-tile svg{width:24px;height:24px;}
.brand-copy{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.04em;}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:18px;}
.tel-link{font-size:14px;font-weight:600;color:var(--deep);display:inline-flex;align-items:center;gap:6px;}
.tel-link:hover{color:var(--primary-strong);}
.head-actions .btn{height:42px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;background:transparent;border:1px solid var(--line);
  border-radius:10px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.channel-row{border-top:1px solid rgba(227,216,194,.75);}
.channel-list{display:flex;align-items:stretch;height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  display:inline-flex;align-items:center;padding:0 18px;font-size:14px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;border-bottom:3px solid transparent;transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.channel-list a+a{border-left:1px solid rgba(227,216,194,.5);}
.channel-list a:hover{background:var(--surface-2);color:var(--ink);}
.channel-list a.is-active{color:var(--ink);font-weight:600;border-bottom-color:var(--primary);}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:120;display:none;}
.drawer.is-open{display:block;}
.drawer-backdrop{position:absolute;inset:0;background:rgba(27,26,22,.5);}
.drawer-panel{
  position:absolute;top:0;right:0;width:86%;max-width:380px;height:100%;background:var(--surface);
  display:flex;flex-direction:column;transform:translateX(100%);transition:transform .24s ease-out;
  box-shadow:-16px 0 40px -28px rgba(27,26,22,.6);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);}
.drawer-head .brand-name{font-size:15px;}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:transparent;font-size:20px;line-height:1;color:var(--ink);cursor:pointer;}
.drawer-body{flex:1;overflow-y:auto;padding:18px 20px 24px;}
.drawer-group{margin-bottom:22px;}
.drawer-group h4{font-size:12px;letter-spacing:.08em;color:var(--ink-2);margin-bottom:10px;font-weight:600;}
.drawer-group a{display:block;padding:11px 0;font-size:16px;color:var(--ink);border-bottom:1px solid rgba(227,216,194,.6);}
.drawer-group a.is-active{color:var(--primary-strong);font-weight:600;}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);display:grid;gap:10px;}
.drawer-foot .btn{height:46px;}

/* ---------- hero ---------- */
.hero{padding:56px 0 0;position:relative;overflow:hidden;}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding-bottom:56px;}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;background:var(--primary-soft);color:#4A3910;padding:5px 12px;border-radius:999px;margin-bottom:18px;}
.hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--ink);margin-bottom:18px;}
.hero-lead{font-size:16px;line-height:1.85;color:var(--ink-2);max-width:30ch;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.trust-row{display:flex;flex-wrap:wrap;align-items:center;gap:0;}
.trust-item{padding:0 22px;border-left:1px solid var(--line);}
.trust-item:first-child{padding-left:0;border-left:0;}
.trust-num{font-size:22px;font-weight:700;color:var(--deep);line-height:1.2;}
.trust-label{font-size:12px;color:var(--ink-2);letter-spacing:.03em;}
.hero-figure{position:relative;}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);}
.caption-bar{position:absolute;left:16px;bottom:16px;background:rgba(20,49,41,.94);color:var(--primary);font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:6px;}
.dot-grid{
  position:absolute;right:-8px;bottom:-14px;width:112px;height:80px;
  background-image:radial-gradient(var(--deep) 1.5px,transparent 1.6px);
  background-size:14px 14px;opacity:.14;pointer-events:none;
}

/* ---------- section shells ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.sec-head h2,.sec-title{font-size:clamp(24px,2.6vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
.sec-desc{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:44ch;line-height:1.8;}

/* ---------- pain ---------- */
.pain-band{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px;}
.pain-card{
  display:flex;align-items:flex-start;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-left:3px solid var(--accent);border-radius:var(--radius);padding:20px 22px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;color:var(--ink);
}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary);border-left-color:var(--accent);color:var(--ink);}
.pain-card h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.pain-card p{font-size:14px;line-height:1.75;color:var(--ink-2);}
.pain-arrow{margin-left:auto;color:var(--deep);font-size:18px;line-height:1.4;flex:0 0 auto;}

/* ---------- plans ---------- */
.plans-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  display:flex;flex-direction:column;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(223,163,42,.5);}
.plan-card--wide{grid-column:span 2;flex-direction:row;gap:26px;align-items:center;}
.plan-card--wide .plan-media{flex:0 0 46%;}
.plan-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);}
.plan-card--wide .plan-media img{aspect-ratio:4/3;}
.plan-body{display:flex;flex-direction:column;flex:1;}
.plan-card h3{font-size:21px;font-weight:700;line-height:1.35;margin:12px 0 12px;}
.plan-list{display:grid;gap:8px;margin-bottom:18px;}
.plan-list li{position:relative;padding-left:16px;font-size:14px;color:var(--ink-2);line-height:1.7;}
.plan-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--primary);}
.plan-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--ink-2);letter-spacing:.02em;}
.plan-meta .arrow{font-size:15px;color:var(--deep);}

/* ---------- deep band ---------- */
.band{background:var(--deep);color:#F6F1E4;padding:72px 0;}
.band h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;color:#FFFBF0;margin-bottom:14px;}
.band p{font-size:15px;line-height:1.85;color:rgba(246,241,228,.72);}
.band-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:flex-start;}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.step{padding:0 18px;border-left:1px dashed rgba(255,255,255,.18);}
.step:first-child{border-left:0;padding-left:0;}
.step-num{font-size:34px;font-weight:700;color:transparent;-webkit-text-stroke:1.5px var(--primary);line-height:1;margin-bottom:10px;letter-spacing:.02em;}
.step h3{font-size:16px;font-weight:600;color:#FFFBF0;margin-bottom:8px;line-height:1.5;}
.step p{font-size:13px;line-height:1.7;color:rgba(246,241,228,.66);}
.step .deliver{display:inline-block;margin-top:10px;font-size:12px;letter-spacing:.04em;color:var(--primary);border:1px solid rgba(223,163,42,.5);border-radius:999px;padding:2px 10px;}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:56px;padding-top:36px;border-top:1px solid rgba(255,255,255,.14);}
.metric-num{font-size:38px;font-weight:700;color:var(--primary);line-height:1.1;letter-spacing:-.02em;}
.metric-num small{font-size:14px;font-weight:500;margin-left:4px;color:rgba(246,241,228,.8);}
.metric p{font-size:12px;color:rgba(246,241,228,.66);margin-top:6px;letter-spacing:.03em;}
.band-quote{margin-top:44px;padding:22px 24px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);}
.band-quote p{font-size:15px;line-height:1.8;color:#F6F1E4;}
.band-quote span{display:block;margin-top:10px;font-size:12px;letter-spacing:.05em;color:rgba(246,241,228,.6);}

/* ---------- channel cards ---------- */
.ch-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:32px;}
.ch-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 18px;color:var(--ink);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.ch-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(223,163,42,.55);color:var(--ink);}
.ch-card .ch-num{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--primary-strong);}
.ch-card h3{font-size:17px;font-weight:700;margin:10px 0 8px;line-height:1.4;}
.ch-card p{font-size:13px;line-height:1.7;color:var(--ink-2);}
.ch-card .ch-arrow{margin-top:14px;font-size:14px;color:var(--deep);}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px;}
.news-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(223,163,42,.5);}
.news-main a{display:block;color:var(--ink);}
.news-main img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-main-body{padding:20px 22px 22px;}
.news-main h3{font-size:22px;line-height:1.45;font-weight:700;margin:10px 0 10px;}
.news-main p{font-size:14px;line-height:1.8;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:12px;color:var(--ink-2);letter-spacing:.03em;}
.news-meta .arrow{font-size:15px;color:var(--deep);}
.news-side{display:grid;gap:16px;}
.news-item{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(223,163,42,.5);}
.news-item a{display:flex;gap:16px;width:100%;color:var(--ink);}
.news-item img{width:120px;height:90px;flex:0 0 auto;object-fit:cover;border-radius:10px;}
.news-item-body{min-width:0;display:flex;flex-direction:column;}
.news-item h3{font-size:15px;line-height:1.55;font-weight:600;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item p{font-size:12px;line-height:1.6;color:var(--ink-2);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-item .news-meta{margin-top:auto;}
.empty-card{
  grid-column:span 2;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--surface-2);border:1px dashed var(--line);border-radius:var(--radius);color:var(--ink-2);font-size:14px;
}

/* ---------- faq ---------- */
.faq-band{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-wrap{max-width:820px;margin:32px auto 0;}
.faq-item{background:transparent;border-bottom:1px solid var(--line);transition:background-color .18s ease-out;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 44px 18px 16px;position:relative;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);border-left:3px solid transparent;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after,
.faq-item summary::before{
  content:"";position:absolute;right:18px;top:50%;background:var(--deep);border-radius:2px;transition:transform .18s ease-out,opacity .18s ease-out;
}
.faq-item summary::before{width:14px;height:2px;margin-top:-1px;}
.faq-item summary::after{width:2px;height:14px;margin-top:-7px;}
.faq-item[open]{background:var(--surface);border-left:3px solid var(--primary);border-bottom-color:transparent;}
.faq-item[open] summary{border-left-color:var(--primary);}
.faq-item[open] summary::after{transform:scaleY(0);opacity:0;}
.faq-item .faq-body{padding:0 44px 20px 16px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.faq-foot{max-width:820px;margin:22px auto 0;font-size:14px;color:var(--ink-2);}
.faq-foot a{font-weight:600;border-bottom:1px solid var(--deep);}

/* ---------- form ---------- */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px;letter-spacing:.02em;}
.req{color:var(--accent);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--radius-sm);transition:border-color .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:var(--surface);border-color:var(--primary);box-shadow:0 0 0 3px rgba(223,163,42,.18);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--accent);}
.field .err{display:none;font-size:13px;color:var(--accent);margin-top:6px;}
.field.has-error .err{display:block;}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.7;color:var(--ink-2);margin:6px 0 20px;}
.check-line input{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--primary);}
.form-success{display:none;background:#EAF3ED;border:1px solid rgba(62,122,90,.4);border-radius:var(--radius);padding:26px;color:#22513A;}
.form-success h3{font-size:19px;font-weight:700;margin-bottom:8px;color:#22513A;}
.form-success p{font-size:14px;line-height:1.8;color:#2E6249;}
.form-card.is-sent form{display:none;}
.form-card.is-sent .form-success{display:block;}
.privacy-card{position:sticky;top:96px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px;}
.privacy-card h3{font-size:18px;font-weight:700;margin-bottom:16px;}
.privacy-card ul{display:grid;gap:12px;margin-bottom:16px;}
.privacy-card li{position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:var(--ink-2);}
.privacy-card li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:var(--primary);}
.privacy-card p{font-size:13px;line-height:1.8;color:var(--ink-2);margin-bottom:14px;}

/* ---------- footer ---------- */
.site-foot{background:var(--deep);color:#F6F1E4;padding:64px 0 0;position:relative;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.site-foot .brand-name{color:#FFFBF0;font-size:16px;}
.site-foot .brand-sub{color:rgba(246,241,228,.62);}
.site-foot .logo-tile{box-shadow:none;}
.foot-desc{font-size:13px;line-height:1.85;color:rgba(246,241,228,.66);margin:16px 0 16px;max-width:32ch;}
.foot-contact{font-size:13px;line-height:1.9;color:rgba(246,241,228,.66);}
.foot-contact a{color:rgba(246,241,228,.86);}
.foot-contact a:hover{color:var(--primary);}
.foot-col h4{font-size:13px;font-weight:600;letter-spacing:.06em;color:#FFFBF0;margin-bottom:14px;}
.foot-col a{display:block;font-size:13px;line-height:1.9;color:rgba(246,241,228,.66);margin-bottom:4px;}
.foot-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.foot-bottom{border-top:1px solid rgba(246,241,228,.16);padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;font-size:12px;color:rgba(246,241,228,.56);}
.foot-bottom .fb-links{display:flex;flex-wrap:wrap;gap:16px;}
.foot-bottom a{color:rgba(246,241,228,.66);}
.foot-bottom a:hover{color:var(--primary);}
.foot-dots{position:absolute;left:24px;top:18px;width:96px;height:64px;background-image:radial-gradient(#F6F1E4 1.5px,transparent 1.6px);background-size:14px 14px;opacity:.08;pointer-events:none;}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:150;display:none;}
.modal.is-open{display:block;}
.modal-backdrop{position:absolute;inset:0;background:rgba(20,49,41,.55);}
.modal-panel{
  position:relative;width:min(720px,calc(100% - 36px));max-height:calc(100vh - 48px);overflow-y:auto;
  margin:24px auto;background:var(--surface);border-radius:var(--radius);padding:28px;
  box-shadow:0 40px 80px -40px rgba(20,49,41,.8);
}
.modal-close{position:absolute;top:16px;right:16px;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:20px;line-height:1;color:var(--ink);cursor:pointer;}
.modal-panel h3{font-size:22px;font-weight:700;margin-bottom:8px;padding-right:52px;}
.modal-panel .modal-desc{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:22px;}

/* ---------- mobile bar ---------- */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--surface);border-top:1px solid var(--line);padding:8px 16px calc(8px + env(safe-area-inset-bottom));gap:10px;}
.mobile-bar .btn{height:44px;font-size:14px;}
.mobile-bar .btn-ghost{flex:0 0 38%;}
.mobile-bar .btn-primary{flex:1;}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .hero-inner{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .hero-lead{max-width:none;}
  .hero-figure{order:2;}
  .band-grid{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:1fr 1fr;gap:24px 0;}
  .step:nth-child(3){border-left:0;padding-left:0;}
  .ch-grid{grid-template-columns:repeat(3,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .privacy-card{position:static;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .news-grid{grid-template-columns:1fr;}
  .empty-card{grid-column:span 1;}
}
@media screen and (max-width:1023px){
  .head-actions .tel-link{display:none;}
}
@media screen and (max-width:767px){
  .brand-row{height:64px;}
  .head-actions{gap:10px;}
  .head-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .channel-row{display:none;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .pain-grid{grid-template-columns:1fr;}
  .plans-grid{grid-template-columns:1fr;}
  .plan-card--wide{grid-column:span 1;flex-direction:column;align-items:stretch;gap:16px;}
  .plan-card--wide .plan-media{flex:none;}
  .ch-grid{grid-template-columns:1fr 1fr;}
  .form-row{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .band{padding:56px 0;}
  .metrics{grid-template-columns:1fr 1fr;gap:22px;}
  .metric-num{font-size:30px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:520px){
  .wrap{padding:0 18px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:10px;}
  .hero{padding-top:36px;}
  .hero-actions .btn{width:100%;}
  .trust-item{padding:0 14px;}
  .trust-num{font-size:19px;}
  .steps{grid-template-columns:1fr;gap:20px;}
  .step{border-left:0;padding-left:0;border-top:1px dashed rgba(255,255,255,.18);padding-top:16px;}
  .step:first-child{border-top:0;padding-top:0;}
  .ch-grid{grid-template-columns:1fr;}
  .news-item img{width:96px;height:76px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-bar{display:flex;}
  body{padding-bottom:76px;}
  .form-card{padding:20px;}
  .modal-panel{padding:24px 20px;}
  .faq-item summary{font-size:16px;padding-right:40px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg:#FBF7EF;
  --surface:#FFFFFF;
  --surface-2:#F3EBDC;
  --ink:#1B1A16;
  --ink-2:#4C473C;
  --line:#E3D8C2;
  --primary:#DFA32A;
  --primary-strong:#B57C10;
  --primary-soft:#FAE9C4;
  --deep:#1F4A42;
  --deep-2:#143129;
  --accent:#C24E38;
  --ok:#3E7A5A;
  --radius:16px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 1px 2px rgba(27,26,22,.06), 0 14px 30px -20px rgba(27,26,22,.35);
  --shadow-hover:0 2px 4px rgba(27,26,22,.08), 0 22px 40px -22px rgba(27,26,22,.42);
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --serif:"Noto Serif SC","Songti SC",serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--deep);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--primary-strong);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:22px;}
:focus-visible{outline:2px solid var(--deep);outline-offset:2px;}
.skip-link{
  position:absolute;left:16px;top:-64px;z-index:200;
  background:var(--deep);color:#F6F1E4;padding:10px 18px;border-radius:0 0 10px 10px;
  font-size:14px;transition:top .2s var(--ease);
}
.skip-link:focus{top:0;color:#F6F1E4;}
.wrap{
  width:100%;max-width:1200px;margin:0 auto;padding:0 24px;
}

/* ---------- 头部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:80;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.brand-row{border-bottom:1px solid var(--line);}
.site-head.is-compact .brand-row{display:none;}
.brand-bar{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.logo-tile{
  width:44px;height:44px;border-radius:12px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;flex:0 0 44px;
  box-shadow:0 1px 2px rgba(27,26,22,.12);
}
.logo-tile svg{width:26px;height:26px;}
.brand-copy{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.06em;margin-top:3px;}
.head-actions{display:flex;align-items:center;gap:14px;}
.head-tel{
  font-size:14px;font-weight:600;color:var(--deep);
  border-bottom:1px solid rgba(31,74,66,.28);padding-bottom:2px;
}
.head-tel:hover{color:var(--primary-strong);border-bottom-color:var(--primary-strong);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-xs);
  background:var(--surface);align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.channel-row{border-bottom:1px solid transparent;}
.channel-list{
  display:flex;align-items:stretch;gap:0;overflow-x:auto;scrollbar-width:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  display:flex;align-items:center;height:48px;padding:0 16px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  border-bottom:3px solid transparent;transition:background .18s var(--ease),color .18s var(--ease);
}
.channel-list a + a{border-left:1px solid rgba(227,216,194,.55);}
.channel-list a:hover{background:var(--surface-2);color:var(--ink);}
.channel-list a.is-active{color:var(--ink);font-weight:600;border-bottom-color:var(--primary);}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-xs);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  text-align:center;
}
.btn-primary{background:var(--primary);color:var(--ink);box-shadow:0 1px 2px rgba(27,26,22,.1);}
.btn-primary:hover{background:var(--primary-strong);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--deep);border-color:rgba(31,74,66,.3);}
.btn-ghost:hover{background:var(--surface-2);color:var(--deep-2);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--ink);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.chip-dark{background:var(--deep);color:#F6F1E4;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--deep);
  border-bottom:1px solid rgba(31,74,66,.35);padding-bottom:2px;
}
.text-link:hover{color:var(--primary-strong);border-bottom-color:var(--primary-strong);}

/* ---------- 面包屑与文章头 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-top:24px;font-size:13px;color:rgba(31,74,66,.62);
}
.crumb a{color:rgba(31,74,66,.62);}
.crumb a:hover{color:var(--primary-strong);}
.crumb .sep{opacity:.55;}
.crumb .current{
  color:var(--ink-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{padding:22px 0 0;}
.article-title{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.22;font-weight:800;letter-spacing:-.02em;
  margin-top:14px;max-width:860px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:16px;font-size:12px;color:var(--ink-2);
}
.meta-row .dot{width:1px;height:12px;background:var(--line);display:inline-block;}
.lede{
  margin-top:18px;max-width:760px;padding-left:14px;
  border-left:3px solid var(--primary);
  font-size:15px;line-height:1.8;color:var(--ink-2);
}
.article-cover{
  margin-top:26px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-2);
  aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.cover-cap{
  margin-top:10px;font-size:12px;color:var(--ink-2);text-align:center;
}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;
  padding:36px 0 76px;align-items:start;
}
.article-main{min-width:0;}
.article-body{
  max-width:760px;
  font-family:var(--serif);
  font-size:17px;line-height:1.95;color:var(--ink);
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-family:var(--font);font-size:28px;line-height:1.32;font-weight:700;
  margin:44px 0 16px;padding-left:12px;border-left:4px solid var(--primary);
  scroll-margin-top:120px;
}
.article-body h3{
  font-family:var(--font);font-size:21px;line-height:1.4;font-weight:700;
  margin:30px 0 10px;scroll-margin-top:120px;
}
.article-body h4{
  font-family:var(--font);font-size:18px;font-weight:600;margin:24px 0 8px;
}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body li{margin:6px 0;}
.article-body ul li::marker{color:var(--primary);}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body a{color:var(--deep);border-bottom:1px solid rgba(31,74,66,.3);}
.article-body a:hover{color:var(--primary-strong);border-bottom-color:var(--primary-strong);}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;background:var(--surface-2);
  border-left:3px solid var(--deep);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-sm);margin:22px 0;width:100%;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:12px;color:var(--ink-2);text-align:center;margin-top:8px;font-family:var(--font);}
.article-body table{
  width:100%;border-collapse:collapse;display:block;overflow-x:auto;
  font-family:var(--font);font-size:15px;margin:24px 0;
  border:1px solid var(--line);border-radius:var(--radius-sm);
}
.article-body th{
  background:var(--surface-2);text-align:left;font-weight:600;
  padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;}
.article-body tr:last-child td{border-bottom:none;}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;
  background:var(--surface-2);padding:2px 6px;border-radius:6px;
}
.article-body strong{color:var(--deep);}
.empty-state{
  padding:56px 24px;text-align:center;background:var(--surface-2);
  border:1px dashed var(--line);border-radius:var(--radius);
}
.empty-state p{font-family:var(--font);font-size:16px;color:var(--ink-2);margin-bottom:18px;}

/* ---------- 目录与侧栏 ---------- */
.toc-card{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);
}
.toc-title{
  font-size:14px;font-weight:700;color:var(--deep);letter-spacing:.04em;
  padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:12px;
}
.toc-list{list-style:none;padding:0;margin:0;}
.toc-list li{margin:0;}
.toc-list a{
  display:block;font-size:13px;line-height:1.6;color:var(--ink-2);
  padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.toc-list a:hover{background:var(--surface-2);color:var(--ink);}
.toc-list a.is-current{border-left-color:var(--primary);color:var(--ink);font-weight:600;background:var(--primary-soft);}
.side-cta{
  margin-top:20px;background:var(--deep);color:#F6F1E4;border-radius:var(--radius);
  padding:22px;position:sticky;top:calc(96px + 260px);
}
.side-cta h3{font-size:17px;font-weight:700;color:#fff;line-height:1.4;}
.side-cta p{font-size:13px;line-height:1.7;color:rgba(246,241,228,.72);margin:10px 0 16px;}
.side-cta .btn{height:44px;font-size:14px;padding:0 18px;}
.toc-mobile{display:none;margin-bottom:24px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);}
.toc-mobile summary{
  list-style:none;cursor:pointer;padding:14px 18px;font-size:14px;font-weight:600;color:var(--deep);
  display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary::after{
  content:"";width:10px;height:10px;border-right:2px solid var(--primary);
  border-bottom:2px solid var(--primary);transform:rotate(45deg);transition:transform .2s var(--ease);
}
.toc-mobile[open] summary::after{transform:rotate(-135deg);}
.toc-mobile .toc-list{padding:0 10px 12px;}

/* ---------- 文末声明与操作 ---------- */
.notice-box{
  max-width:760px;margin-top:36px;background:var(--surface-2);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;
  font-size:13px;line-height:1.8;color:var(--ink-2);
}
.notice-box strong{color:var(--deep);}
.post-actions{
  max-width:760px;margin-top:24px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  padding-top:24px;border-top:1px solid var(--line);
}
.post-actions .note{font-size:13px;color:var(--ink-2);}

/* ---------- 延伸阅读 ---------- */
.pick-section{padding:0 0 80px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;}
.section-head p{font-size:14px;color:var(--ink-2);margin-top:8px;}
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.pick-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(223,163,42,.5);}
.pick-card .thumb{aspect-ratio:16/10;background:var(--surface-2);overflow:hidden;}
.pick-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.pick-card:hover .thumb img{transform:scale(1.03);}
.pick-body{padding:18px 20px 20px;}
.pick-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-top:10px;}
.pick-body p{font-size:13px;line-height:1.7;color:var(--ink-2);margin-top:8px;}
.pick-meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:12px;color:var(--ink-2);}
.pick-meta .arrow{color:var(--primary-strong);font-weight:700;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--primary-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:56px 0;
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;}
.cta-inner p{font-size:14px;color:var(--ink-2);margin-top:10px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cta-privacy{font-size:12px;color:var(--ink-2);margin-top:10px;}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;background:var(--deep);color:#F6F1E4;
  padding:64px 0 0;overflow:hidden;
}
.foot-dots{
  position:absolute;left:-30px;top:-30px;width:220px;height:180px;
  background-image:radial-gradient(circle, rgba(223,163,42,.5) 3px, transparent 3px);
  background-size:16px 16px;opacity:.18;pointer-events:none;
}
.site-foot .brand{color:#F6F1E4;}
.site-foot .brand:hover{color:var(--primary);}
.site-foot .brand-name{color:#F6F1E4;}
.site-foot .brand-sub{color:rgba(246,241,228,.6);}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;position:relative;}
.foot-col h4{font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:14px;letter-spacing:.04em;}
.foot-col a{
  display:block;font-size:14px;color:rgba(246,241,228,.66);padding:5px 0;
  transition:color .16s var(--ease);
}
.foot-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.foot-desc{font-size:13px;line-height:1.8;color:rgba(246,241,228,.66);margin:16px 0 18px;max-width:320px;}
.foot-contact{font-size:13px;line-height:2;color:rgba(246,241,228,.66);}
.foot-contact a{color:rgba(246,241,228,.86);display:inline;}
.foot-contact a:hover{color:var(--primary);}
.foot-bar{
  margin-top:44px;border-top:1px solid rgba(246,241,228,.16);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(246,241,228,.52);
}
.foot-bar a{color:rgba(246,241,228,.66);display:inline;}
.foot-bar a:hover{color:var(--primary);}
.foot-bar .bar-links{display:flex;flex-wrap:wrap;gap:16px;}

/* ---------- 移动抽屉 ---------- */
.scrim{
  position:fixed;inset:0;background:rgba(27,26,22,.5);opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:100;
}
.scrim.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:var(--surface);
  z-index:110;transform:translateX(102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;box-shadow:-8px 0 40px rgba(27,26,22,.24);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  height:64px;display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;border-bottom:1px solid var(--line);flex:0 0 64px;
}
.drawer-head strong{font-size:15px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-xs);
  background:var(--surface);cursor:pointer;font-size:20px;line-height:1;color:var(--ink);
}
.drawer-body{flex:1;overflow-y:auto;padding:18px;}
.drawer-group{margin-bottom:22px;}
.drawer-group span{
  display:block;font-size:11px;letter-spacing:.12em;color:var(--ink-2);
  text-transform:uppercase;margin-bottom:8px;
}
.drawer-group a{
  display:block;padding:12px 10px;border-radius:var(--radius-xs);
  font-size:15px;color:var(--ink);border-bottom:1px solid rgba(227,216,194,.5);
}
.drawer-group a:hover,.drawer-group a.is-active{background:var(--surface-2);color:var(--deep);font-weight:600;}
.drawer-foot{padding:16px 18px 22px;border-top:1px solid var(--line);display:grid;gap:10px;}

/* ---------- 弹层表单 ---------- */
.modal{
  position:fixed;inset:0;z-index:130;display:flex;align-items:center;justify-content:center;
  padding:20px;opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.modal.is-open{opacity:1;visibility:visible;}
.modal-scrim{position:absolute;inset:0;background:rgba(20,49,41,.55);}
.modal-card{
  position:relative;width:100%;max-width:720px;background:var(--surface);
  border-radius:var(--radius);padding:30px;box-shadow:0 30px 70px -30px rgba(27,26,22,.6);
  max-height:90vh;overflow-y:auto;
  transform:translateY(14px);transition:transform .24s var(--ease);
}
.modal.is-open .modal-card{transform:translateY(0);}
.modal-close{
  position:absolute;top:14px;right:14px;width:44px;height:44px;
  border:1px solid var(--line);border-radius:var(--radius-xs);background:var(--surface);
  cursor:pointer;font-size:20px;color:var(--ink);
}
.modal-card h3{font-size:22px;font-weight:700;line-height:1.35;}
.modal-card .modal-sub{font-size:13px;color:var(--ink-2);margin:8px 0 20px;}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;font-weight:600;color:var(--ink);}
.field label .req{color:var(--accent);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14px;color:var(--ink);
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-xs);
  padding:0 14px;height:46px;transition:border-color .16s var(--ease),background .16s var(--ease),box-shadow .16s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(223,163,42,.18);
}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7;}
.check-line input{width:18px;height:18px;margin-top:3px;flex:0 0 18px;accent-color:var(--primary);}
.form-success{
  background:rgba(62,122,90,.1);border:1px solid rgba(62,122,90,.4);
  color:var(--ok);border-radius:var(--radius-sm);padding:18px;font-size:14px;line-height:1.8;
}

/* ---------- 移动吸底 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:var(--surface);border-top:1px solid var(--line);
  padding:8px 14px calc(8px + env(safe-area-inset-bottom));
  gap:10px;align-items:center;box-shadow:0 -6px 20px -14px rgba(27,26,22,.5);
}
.mobile-bar .btn{height:44px;font-size:14px;}
.mobile-bar .btn-ghost{flex:0 0 38%;}
.mobile-bar .btn-primary{flex:1;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:32px;}
  .pick-grid{gap:20px;}
}
@media (max-width:1023px){
  .head-tel{display:none;}
  .nav-toggle{display:flex;}
  .channel-row{display:none;}
  .brand-bar{height:64px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{display:none;}
  .toc-mobile{display:block;}
  .article-body,.article-body h2,.notice-box,.post-actions{max-width:none;}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .wrap{padding:0 20px;}
  .article-title{font-size:clamp(24px,6vw,32px);}
  .section-head{flex-direction:column;align-items:flex-start;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  body{padding-bottom:76px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:10px;}
  .head-actions .btn{display:none;}
  .pick-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bar{flex-direction:column;gap:8px;}
  .mobile-bar{display:flex;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:23px;margin-top:34px;}
  .article-body h3{font-size:19px;}
  .modal{padding:0;align-items:flex-end;}
  .modal-card{border-radius:16px 16px 0 0;padding:24px 18px 26px;max-height:92vh;}
  .field-grid{grid-template-columns:1fr;}
  .post-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg:#FBF7EF;
  --surface:#FFFFFF;
  --surface-2:#F3EBDC;
  --ink:#1B1A16;
  --ink-2:#4C473C;
  --line:#E3D8C2;
  --primary:#DFA32A;
  --primary-strong:#B57C10;
  --primary-soft:#FAE9C4;
  --deep:#1F4A42;
  --deep-2:#143129;
  --accent:#C24E38;
  --ok:#3E7A5A;
  --radius:16px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 1px 2px rgba(27,26,22,.06),0 14px 30px -20px rgba(27,26,22,.35);
  --shadow-hover:0 1px 2px rgba(27,26,22,.08),0 22px 36px -18px rgba(27,26,22,.42);
  --wrap:1200px;
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif !important;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"tnum" 1;
}
h1,h2,h3,h4,h5,h6{font-family:inherit !important;color:var(--ink);margin:0;font-weight:700;line-height:1.25;}
p{margin:0 0 12px;}
a{color:var(--deep);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-strong);}
img{max-width:100%;display:block;border-radius:var(--radius-sm);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:var(--primary-soft);color:var(--ink);}
:focus-visible{outline:2px solid var(--deep);outline-offset:2px;border-radius:4px;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--deep);color:#F6F1E4;padding:10px 18px;border-radius:var(--radius-xs);
  font-size:14px;transition:top var(--ease);
}
.skip-link:focus{top:12px;color:#F6F1E4;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-xs);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:var(--ink);border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-strong);border-color:var(--primary-strong);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:var(--surface);color:var(--deep);border-color:rgba(31,74,66,.3);}
.btn-ghost:hover{background:var(--surface-2);color:var(--deep);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{font-size:15px;font-weight:600;color:var(--deep);border-bottom:1px solid var(--primary);padding-bottom:2px;}
.link-more:hover{color:var(--primary-strong);}

/* ---------- 头部 ---------- */
.site-head{position:sticky;top:0;z-index:60;background:var(--bg);}
.brand-bar{background:var(--bg);border-bottom:1px solid var(--line);transition:margin-top var(--ease),opacity var(--ease);}
.brand-row{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.logo-tile{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;box-shadow:0 1px 2px rgba(27,26,22,.12);
}
.logo-tile svg{width:28px;height:28px;display:block;}
.brand-copy{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.06em;}
.brand-right{display:flex;align-items:center;gap:12px;}
.head-tel{font-size:14px;font-weight:600;color:var(--deep);letter-spacing:.02em;padding:8px 4px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-xs);
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.channel-bar{background:var(--bg);border-bottom:1px solid var(--line);}
.channel-list{display:flex;align-items:stretch;min-height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  position:relative;display:inline-flex;align-items:center;
  padding:0 18px;font-size:14px;font-weight:600;color:var(--ink-2);
  white-space:nowrap;border-bottom:3px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.channel-list a+a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:16px;background:var(--line);opacity:.5;
}
.channel-list a:hover{background:var(--surface-2);color:var(--ink);}
.channel-list a.is-active{color:var(--ink);border-bottom-color:var(--primary);font-weight:700;}
.site-head.is-stuck .brand-bar{margin-top:-74px;opacity:0;pointer-events:none;overflow:hidden;}
.site-head.is-stuck{box-shadow:0 6px 18px -12px rgba(27,26,22,.4);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,26,22,.5);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:90;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:var(--surface);
  z-index:100;transform:translateX(100%);transition:transform 240ms ease-out;
  display:flex;flex-direction:column;padding:20px 20px 24px;overflow-y:auto;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open{overflow:hidden;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:44px;height:44px;border-radius:var(--radius-xs);border:1px solid var(--line);
  background:var(--surface-2);font-size:20px;line-height:1;color:var(--ink);cursor:pointer;
}
.drawer-group{margin-top:20px;}
.drawer-group h5{font-size:11px;letter-spacing:.12em;color:var(--ink-2);font-weight:600;margin-bottom:8px;}
.drawer-group a{display:block;padding:11px 2px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer-group a.is-active{color:var(--primary-strong);font-weight:700;}
.drawer-foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px;}

/* ---------- 面包屑与分类头 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:rgba(31,74,66,.6);}
.crumb a{color:rgba(31,74,66,.75);}
.crumb span.sep{margin:0 8px;opacity:.6;}
.crumb strong{font-weight:600;color:rgba(31,74,66,.9);}

.cat-hero{padding:18px 0 0;position:relative;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;padding-bottom:56px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  background:var(--primary-soft);color:#5B4108;padding:5px 12px;border-radius:999px;margin-bottom:16px;
}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--deep);box-shadow:inset 0 -10px 0 var(--primary-soft);}
.lead{font-size:16px;color:var(--ink-2);max-width:34em;margin-bottom:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:0;}
.hero-meta li{padding:0 22px;border-left:1px solid var(--line);}
.hero-meta li:first-child{padding-left:0;border-left:0;}
.hero-meta b{display:block;font-size:22px;font-weight:700;color:var(--deep);line-height:1.2;letter-spacing:-.01em;}
.hero-meta i{font-style:normal;font-size:12px;color:var(--ink-2);letter-spacing:.04em;}
.hero-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.hero-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(251,247,239,.22),rgba(251,247,239,.82));
  pointer-events:none;
}
.slate-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(27,26,22,.92);color:var(--primary);
  font-size:12px;letter-spacing:.06em;padding:6px 12px;border-radius:6px;
}
.hero-dots{
  position:absolute;right:-6px;bottom:-6px;width:96px;height:96px;z-index:3;
  background-image:radial-gradient(var(--deep) 1.4px,transparent 1.5px);
  background-size:12px 12px;opacity:.14;pointer-events:none;
}
.stripes{
  display:block;height:6px;width:100%;
  background:repeating-linear-gradient(45deg,var(--primary) 0 10px,var(--deep) 10px 20px);
}

/* ---------- 锚点条 ---------- */
.anchor-bar{border-bottom:1px solid var(--line);background:var(--surface);}
.anchor-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:14px 24px;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);background:var(--surface);
  transition:all var(--ease);white-space:nowrap;
}
.anchor-scroll a:hover{background:var(--primary-soft);border-color:var(--primary);color:#5B4108;}

/* ---------- 通用板块 ---------- */
.sec{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;}
.sec-head h2::after{
  content:"";display:block;width:44px;height:3px;background:var(--primary);border-radius:2px;margin-top:12px;
}
.sec-sub{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:38em;}

/* ---------- 筛选标签 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;}
.filter-chip{
  padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:13px;color:var(--ink-2);cursor:pointer;transition:all var(--ease);
}
.filter-chip:hover{border-color:var(--primary);color:var(--ink);}
.filter-chip.is-on{background:var(--primary-soft);border-color:var(--primary);color:#5B4108;font-weight:600;}

/* ---------- 主推样片 7/5 ---------- */
.pick-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.pick-main{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease);
}
.pick-main:hover{box-shadow:var(--shadow-hover);border-color:rgba(223,163,42,.5);transform:translateY(-3px);}
.pick-main .shot{position:relative;overflow:hidden;}
.pick-main .shot img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform 260ms ease-out;}
.pick-main:hover .shot img{transform:scale(1.03);}
.pick-main .slate-tag{transition:background var(--ease),color var(--ease);}
.pick-main:hover .slate-tag{background:var(--primary);color:var(--ink);}
.pick-body{padding:22px;}
.pick-body h3{font-size:22px;font-weight:700;margin-bottom:10px;}
.pick-body p{font-size:15px;color:var(--ink-2);margin-bottom:16px;}
.spec-line{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12px;color:var(--ink-2);letter-spacing:.02em;padding-top:14px;border-top:1px solid var(--line);}
.spec-line span::before{content:"·";margin-right:6px;color:var(--primary);font-weight:700;}
.spec-line span:first-child::before{display:none;}
.pick-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.pick-mini{
  position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);display:block;transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  background:var(--deep);
}
.pick-mini:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:rgba(223,163,42,.5);}
.pick-mini img{width:100%;height:100%;aspect-ratio:4/5;object-fit:cover;border-radius:0;}
.pick-mini::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,49,41,0) 38%,rgba(20,49,41,.86) 100%);
}
.pick-mini .mini-txt{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#F6F1E4;}
.pick-mini .mini-txt h4{font-size:17px;font-weight:700;color:#F6F1E4;margin-bottom:6px;}
.pick-mini .mini-txt p{font-size:12px;color:rgba(246,241,228,.78);margin:0;letter-spacing:.02em;}

/* ---------- 海报网格 ---------- */
.poster-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.poster-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.poster-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:rgba(223,163,42,.5);}
.poster-card .thumb{overflow:hidden;}
.poster-card .thumb img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:0;transition:transform 260ms ease-out;}
.poster-card:hover .thumb img{transform:scale(1.03);}
.poster-body{padding:18px 20px 20px;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:4px 10px;border-radius:999px;background:var(--primary-soft);color:#5B4108;margin-bottom:10px;
}
.tag-deep{background:var(--deep);color:#F6F1E4;}
.poster-body h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.45;}
.poster-body p{font-size:13px;color:var(--ink-2);margin-bottom:14px;}
.poster-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--ink-2);padding-top:12px;border-top:1px solid var(--line);}
.poster-meta .arrow{color:var(--deep);font-weight:700;}

/* ---------- 深色数据带 ---------- */
.deep-band{background:var(--deep);color:#F6F1E4;padding:64px 0;position:relative;overflow:hidden;}
.deep-band h2{color:#F6F1E4;font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.deep-band p{color:rgba(246,241,228,.72);font-size:15px;max-width:34em;}
.deep-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{border-left:1px solid rgba(246,241,228,.18);padding-left:18px;}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{display:block;font-size:clamp(30px,3.4vw,42px);font-weight:700;color:var(--primary);line-height:1.1;letter-spacing:-.02em;}
.stat b small{font-size:14px;font-weight:600;margin-left:4px;letter-spacing:0;}
.stat span{display:block;font-size:12px;color:rgba(246,241,228,.66);margin-top:6px;letter-spacing:.04em;}
.quote{
  margin-top:32px;padding-top:24px;border-top:1px dashed rgba(246,241,228,.22);
  font-size:15px;color:rgba(246,241,228,.88);
}
.quote em{font-style:normal;display:block;margin-top:8px;font-size:12px;color:rgba(246,241,228,.55);letter-spacing:.06em;}

/* ---------- 规格清单 ---------- */
.spec-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.spec-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.spec-card h3{font-size:17px;margin-bottom:12px;}
.spec-card ul li{
  position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);line-height:1.9;
}
.spec-card ul li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--primary);
}
.spec-card .num{
  display:inline-block;font-size:12px;font-weight:700;color:var(--primary-strong);letter-spacing:.14em;margin-bottom:8px;
}

/* ---------- FAQ ---------- */
.faq-sec{background:var(--surface-2);}
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);
  margin-bottom:10px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(223,163,42,.65);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  border:1px solid var(--line);position:relative;
  background:
    linear-gradient(var(--ink),var(--ink)) center/10px 2px no-repeat,
    linear-gradient(var(--ink),var(--ink)) center/2px 10px no-repeat;
  transition:transform var(--ease),background-size var(--ease);
}
.faq-item[open] summary::after{
  background:
    linear-gradient(var(--primary-strong),var(--primary-strong)) center/10px 2px no-repeat;
  border-color:var(--primary);
}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.faq-item[open] .faq-body{border-left:3px solid var(--primary);padding-left:17px;margin-left:0;}
.faq-foot{text-align:center;margin-top:24px;font-size:14px;color:var(--ink-2);}

/* ---------- CTA 与表单 ---------- */
.cta-band{background:var(--primary-soft);padding:60px 0;}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:36px;align-items:start;}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:14px;letter-spacing:-.01em;}
.cta-band .cta-desc{font-size:15px;color:#5B4108;margin-bottom:20px;max-width:32em;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);margin-bottom:10px;}
.cta-points li::before{
  content:"✓";flex:0 0 20px;width:20px;height:20px;border-radius:50%;background:var(--deep);color:#F6F1E4;
  font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.req{color:var(--accent);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:10px 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-xs);
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:var(--surface);border-color:var(--primary);box-shadow:0 0 0 3px rgba(223,163,42,.18);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);line-height:1.6;}
.check-row input{width:18px;height:18px;min-height:0;margin-top:3px;flex:0 0 18px;accent-color:var(--primary-strong);}
.form-note{font-size:12px;color:var(--ink-2);margin-top:10px;line-height:1.6;}
.form-success{
  display:none;background:rgba(62,122,90,.1);border:1px solid rgba(62,122,90,.4);
  border-radius:var(--radius-sm);padding:20px;color:#2C5A40;font-size:15px;
}
.form-success strong{display:block;margin-bottom:6px;font-size:16px;color:var(--ok);}
.form-card.is-sent form{display:none;}
.form-card.is-sent .form-success{display:block;}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--deep);color:#F6F1E4;padding:60px 0 0;position:relative;overflow:hidden;
}
.foot-dots{
  position:absolute;left:-30px;top:-30px;width:200px;height:200px;
  background-image:radial-gradient(#F6F1E4 1.4px,transparent 1.5px);
  background-size:14px 14px;opacity:.06;pointer-events:none;
}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;position:relative;}
.foot-col h4{font-size:13px;letter-spacing:.08em;color:#F6F1E4;margin-bottom:14px;font-weight:700;}
.foot-col a{display:block;font-size:14px;color:rgba(246,241,228,.72);padding:6px 0;transition:color var(--ease),border-color var(--ease);border-bottom:1px solid transparent;}
.foot-col a:hover{color:var(--primary);border-bottom-color:var(--primary);}
.site-foot .brand{margin-bottom:16px;}
.site-foot .brand-name{color:#F6F1E4;font-size:17px;}
.site-foot .brand-sub{color:rgba(246,241,228,.66);}
.foot-desc{font-size:14px;color:rgba(246,241,228,.66);line-height:1.8;max-width:26em;margin-bottom:16px;}
.foot-contact{font-size:13px;color:rgba(246,241,228,.72);line-height:2;}
.foot-contact a{color:#F6F1E4;display:inline;}
.foot-contact a:hover{color:var(--primary);}
.foot-bottom{
  margin-top:44px;border-top:1px solid rgba(246,241,228,.16);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12px;color:rgba(246,241,228,.55);
}
.foot-bottom a{color:rgba(246,241,228,.72);}
.foot-bottom a:hover{color:var(--primary);}

/* ---------- 移动吸底条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:var(--surface);border-top:1px solid var(--line);
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  gap:10px;align-items:center;box-shadow:0 -6px 20px -14px rgba(27,26,22,.5);
}
.mobile-bar .btn{height:44px;font-size:14px;}
.mobile-bar .btn-ghost{flex:0 0 38%;}
.mobile-bar .btn-primary{flex:1;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:28px;padding-bottom:44px;}
  .hero-media{order:2;}
  .pick-grid{grid-template-columns:1fr;}
  .pick-side{grid-template-rows:none;grid-template-columns:1fr 1fr;}
  .poster-grid{grid-template-columns:repeat(2,1fr);}
  .deep-grid{grid-template-columns:1fr;gap:28px;}
  .spec-list{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:26px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .sec{padding:52px 0;}
  .deep-band{padding:52px 0;}
  .cta-band{padding:48px 0;}
  .head-tel{display:none;}
}
@media screen and (max-width:767px){
  .nav-toggle{display:flex;}
  .brand-right .btn-sm{display:none;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:10px;}
  .channel-bar{display:none;}
  .wrap{padding:0 18px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .stat{padding-left:14px;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .field-row{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .hero-meta li{padding:0 14px;}
  .hero-meta b{font-size:19px;}
}
@media screen and (max-width:639px){
  .poster-grid{grid-template-columns:1fr;}
  .pick-side{grid-template-columns:1fr;}
  .pick-mini img{aspect-ratio:16/10;}
  .mobile-bar{display:flex;}
  body{padding-bottom:74px;}
  .site-foot{padding-bottom:10px;}
  .cat-hero h1{font-size:28px;}
  .hero-actions .btn{flex:1 1 auto;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --bg:#FBF7EF;
  --surface:#FFFFFF;
  --surface-2:#F3EBDC;
  --ink:#1B1A16;
  --ink-2:#4C473C;
  --line:#E3D8C2;
  --primary:#DFA32A;
  --primary-strong:#B57C10;
  --primary-soft:#FAE9C4;
  --deep:#1F4A42;
  --deep-2:#143129;
  --accent:#C24E38;
  --ok:#3E7A5A;
  --r-card:16px;
  --r-img:12px;
  --wrap:1200px;
  --shadow:0 1px 2px rgba(27,26,22,.06),0 14px 30px -20px rgba(27,26,22,.35);
  --shadow-hover:0 1px 2px rgba(27,26,22,.08),0 22px 42px -22px rgba(27,26,22,.45);
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
h1,h2,h3,h4{margin:0;font-family:var(--font);font-weight:700;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out}
img{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--deep);outline-offset:2px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--deep);color:#F6F1E4;padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0;top:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;width:100%}

/* ============ 头部 ============ */
.site-head{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--line)}
.brand-row{transition:height .22s ease-out,opacity .18s ease-out;overflow:hidden}
.brand-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo-tile{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  background:var(--primary);display:grid;place-items:center;
}
.logo-tile svg{width:26px;height:26px}
.brand-copy{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.08em}
.brand-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.head-phone{
  font-size:15px;font-weight:600;color:var(--deep);
  font-variant-numeric:tabular-nums;
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.head-phone:hover{color:var(--primary-strong);border-bottom-color:var(--primary)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px}

.channel-row{height:48px;display:flex;align-items:center;border-top:1px solid var(--line)}
.channel-list{display:flex;align-items:center;height:48px;gap:0;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{
  position:relative;display:inline-flex;align-items:center;height:48px;
  padding:0 18px;font-size:15px;color:var(--ink-2);white-space:nowrap;
  border-bottom:3px solid transparent;
}
.channel-list a + a::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:1px;
  background:var(--line);opacity:.5;
}
.channel-list a:hover{background:var(--surface-2);color:var(--ink)}
.channel-list a.is-active{color:var(--ink);font-weight:700;border-bottom-color:var(--primary)}
@media (min-width:1024px){
  .site-head.is-compact .brand-row{height:0;opacity:0}
  .site-head.is-compact .brand-inner{height:0}
}

/* ============ 抽屉 ============ */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;
  background:var(--surface);z-index:120;
  transform:translateX(103%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:15px;font-weight:700}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);font-size:20px;line-height:1;color:var(--deep)}
.drawer-group{padding:18px 20px 4px}
.drawer-group h4{font-size:12px;letter-spacing:.12em;color:var(--ink-2);font-weight:600;margin-bottom:8px}
.drawer-group a{display:block;padding:11px 0;font-size:16px;border-bottom:1px solid var(--line)}
.drawer-group a.is-active{color:var(--primary-strong);font-weight:700}
.drawer-foot{margin-top:auto;padding:18px 20px 26px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.drawer-foot .drawer-phone{font-size:15px;font-weight:700;color:var(--deep);font-variant-numeric:tabular-nums}
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,26,22,.5);z-index:110;
  opacity:0;pointer-events:none;transition:opacity .2s ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ============ 按钮 & 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.btn-primary{background:var(--primary);color:#1B1A16;box-shadow:0 1px 2px rgba(27,26,22,.08)}
.btn-primary:hover{background:var(--primary-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:var(--surface);color:var(--deep);border-color:rgba(31,74,66,.3)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{font-size:15px;font-weight:600;color:var(--deep);border-bottom:1px solid var(--primary);padding-bottom:2px}
.link-arrow:hover{color:var(--primary-strong)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.04em;background:var(--primary-soft);color:#3A2E10;
}
.tag-dark{background:var(--deep);color:#F6F1E4}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--ink-2)}

/* ============ 页面主视觉 ============ */
.page-hero{padding:44px 0 56px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:repeating-linear-gradient(45deg,var(--primary) 0 12px,var(--deep) 12px 24px);
  opacity:.9;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.crumb{display:flex;gap:8px;font-size:12.5px;color:rgba(31,74,66,.6);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:var(--primary-strong)}
.crumb span[aria-current]{color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--primary-soft);color:#3A2E10;font-size:12px;font-weight:600;letter-spacing:.08em;
  margin-bottom:16px;
}
.page-hero h1{font-size:clamp(30px,4vw,46px);line-height:1.16;font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.lede{font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:33em}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
  box-shadow:var(--shadow);
}
.hero-figure::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(251,247,239,.10),rgba(251,247,239,.42));
  pointer-events:none;
}
.hero-caption{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:var(--deep);color:var(--primary);
  font-size:12px;letter-spacing:.08em;padding:6px 12px;border-radius:6px;
}
.bean-dots{
  position:absolute;right:-14px;bottom:-14px;width:96px;height:96px;z-index:1;
  background-image:radial-gradient(var(--primary) 2.6px,transparent 2.7px);
  background-size:14px 14px;opacity:.5;border-radius:12px;
}

/* 锚点条 */
.anchor-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.anchor-inner{display:flex;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:var(--bg);
  font-size:14px;color:var(--ink-2);white-space:nowrap;
}
.anchor-inner a:hover{background:var(--primary-soft);border-color:var(--primary);color:#3A2E10}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.28}
.section-head p{font-size:15px;color:var(--ink-2);max-width:34em;margin-top:10px}
.sec-mark{display:block;width:44px;height:4px;border-radius:2px;background:var(--primary);margin-bottom:16px}
.bg-soft{background:var(--surface-2)}

/* 引文 */
.quote-block{padding:12px 0 0;text-align:center}
.quote-block blockquote{
  margin:0 auto;max-width:760px;font-size:clamp(19px,2.1vw,22px);
  line-height:1.7;font-weight:600;color:var(--deep);
}
.quote-block cite{display:block;margin-top:14px;font-size:13px;font-style:normal;color:var(--ink-2);letter-spacing:.04em}

/* 角色组 */
.role-set{display:flex;flex-direction:column;gap:64px}
.role-row{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center}
.role-row.is-flip .role-card{order:2}
.role-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--shadow);position:relative;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.role-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(223,163,42,.55)}
.role-media{position:relative;border-radius:var(--r-img);overflow:hidden}
.role-media img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .3s ease-out}
.role-card:hover .role-media img{transform:scale(1.03)}
.role-no{
  position:absolute;left:10px;top:10px;z-index:2;
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:26px;padding:0 8px;border-radius:6px;
  background:var(--primary);color:#1B1A16;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:.06em;
}
.role-body{padding:16px 6px 6px}
.role-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.role-avatar{
  width:96px;height:96px;flex:0 0 96px;border-radius:50%;overflow:hidden;
  border:3px solid var(--primary-soft);background:var(--surface-2);
}
.role-avatar img{width:100%;height:100%;object-fit:cover}
.role-name{font-size:20px;font-weight:700;margin-bottom:4px}
.role-pos{font-size:13px;color:var(--ink-2)}
.role-list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);line-height:1.9;
}
.role-list li::before{
  content:"";position:absolute;left:0;top:12px;width:7px;height:7px;
  background:var(--primary);border-radius:2px;
}
.role-copy h3{font-size:clamp(22px,2.2vw,26px);line-height:1.35;margin-bottom:14px}
.role-copy p{font-size:16px;color:var(--ink-2);line-height:1.9;margin-bottom:14px}
.role-facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.role-facts span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line);
}

/* 规矩卡 */
.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.rule-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:0 1px 2px rgba(27,26,22,.05);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.rule-card:hover{border-color:rgba(223,163,42,.55);transform:translateY(-2px);box-shadow:var(--shadow)}
.rule-card .num{
  font-size:13px;font-weight:700;color:var(--primary-strong);
  font-variant-numeric:tabular-nums;letter-spacing:.1em;display:block;margin-bottom:10px;
}
.rule-card h3{font-size:19px;margin-bottom:8px}
.rule-card p{font-size:15px;color:var(--ink-2);line-height:1.85}

/* 台词清单 */
.line-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.line-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  padding:22px 4px;border-bottom:1px solid var(--line);
}
.line-item .idx{font-size:13px;color:var(--primary-strong);font-weight:700;font-variant-numeric:tabular-nums}
.line-item .say{font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.7}
.line-item .where{font-size:12.5px;color:var(--ink-2);white-space:nowrap}

/* 授权清单 */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;
}
.check-mark{
  width:24px;height:24px;flex:0 0 24px;border-radius:6px;background:var(--primary-soft);
  display:grid;place-items:center;color:var(--primary-strong);font-size:14px;font-weight:700;
}
.check-item h4{font-size:16px;margin-bottom:4px}
.check-item p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item[open]{border-color:rgba(223,163,42,.6);box-shadow:0 10px 26px -22px rgba(27,26,22,.5);border-left:3px solid var(--primary)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 20px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{
  position:relative;width:20px;height:20px;flex:0 0 20px;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--deep);border-radius:2px;
  transition:transform .18s ease-out,opacity .18s ease-out;
}
.faq-plus::before{left:0;top:9px;width:20px;height:2px}
.faq-plus::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-plus::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}
.faq-more{text-align:center;margin-top:28px;font-size:15px;color:var(--ink-2)}
.faq-more a{margin-left:6px}

/* CTA 带 */
.cta-band{background:var(--primary-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:56px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:10px}
.cta-inner p{font-size:14.5px;color:#4A3D1C;line-height:1.8;max-width:42em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-foot{background:var(--deep);color:#F6F1E4;position:relative;overflow:hidden;padding:64px 0 0}
.foot-dots{
  position:absolute;left:18px;top:22px;width:110px;height:110px;
  background-image:radial-gradient(#F6F1E4 2.4px,transparent 2.5px);
  background-size:15px 15px;opacity:.07;pointer-events:none;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;position:relative;z-index:1}
.foot-col h4{font-size:13px;letter-spacing:.1em;color:rgba(246,241,228,.7);margin-bottom:16px;font-weight:600}
.foot-col a{display:block;font-size:14.5px;color:rgba(246,241,228,.86);padding:5px 0}
.foot-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.site-foot .brand{align-items:flex-start;margin-bottom:16px}
.site-foot .brand-name{color:#F6F1E4;white-space:normal}
.site-foot .brand-sub{color:rgba(246,241,228,.66)}
.site-foot .logo-tile{background:var(--primary)}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(246,241,228,.72);max-width:28em;margin-bottom:18px}
.foot-contact div{font-size:13.5px;color:rgba(246,241,228,.72);line-height:2;font-variant-numeric:tabular-nums}
.foot-contact a{display:inline;color:#F6F1E4;padding:0}
.foot-contact a:hover{color:var(--primary)}
.foot-bottom{
  margin-top:48px;border-top:1px solid rgba(246,241,228,.18);
  padding:20px 0 26px;display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap;
  font-size:12.5px;color:rgba(246,241,228,.6);position:relative;z-index:1;
}
.foot-bottom a{color:rgba(246,241,228,.72)}
.foot-bottom a:hover{color:var(--primary)}

/* 移动吸底条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  background:var(--surface);border-top:1px solid var(--line);
  padding:8px 14px calc(8px + env(safe-area-inset-bottom));gap:10px;
}
.mobile-bar .btn{height:44px;font-size:14.5px}
.mobile-bar .btn-ghost{flex:0 0 38%}
.mobile-bar .btn-primary{flex:1}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{gap:32px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .section.tight{padding:52px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure{order:2}
  .brand-tools .head-phone{display:none}
  .role-row{grid-template-columns:1fr;gap:28px}
  .role-row.is-flip .role-card{order:0}
  .role-card{max-width:460px}
  .rule-grid{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .channel-row{display:none}
}
@media (max-width:767px){
  .brand-tools{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .brand-inner{height:64px}
  .brand-name{font-size:15px;white-space:normal}
  .page-hero{padding:30px 0 44px}
  .line-item{grid-template-columns:44px 1fr;gap:12px}
  .line-item .where{grid-column:2;font-size:12px}
  .cta-inner{padding:44px 0}
}
@media (max-width:639px){
  .wrap{padding:0 18px}
  body{padding-bottom:76px}
  .section{padding:52px 0}
  .role-set{gap:44px}
  .role-avatar{width:76px;height:76px;flex:0 0 76px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .mobile-bar{display:flex}
  .hero-actions .btn{flex:1 1 auto}
  .bean-dots{display:none}
  .anchor-inner{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --bg:#FBF7EF;
  --surface:#FFFFFF;
  --surface-2:#F3EBDC;
  --ink:#1B1A16;
  --ink-2:#4C473C;
  --line:#E3D8C2;
  --primary:#DFA32A;
  --primary-strong:#B57C10;
  --primary-soft:#FAE9C4;
  --deep:#1F4A42;
  --deep-2:#143129;
  --accent:#C24E38;
  --ok:#3E7A5A;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(27,26,22,.06),0 14px 30px -20px rgba(27,26,22,.35);
  --shadow-hover:0 1px 2px rgba(27,26,22,.08),0 22px 40px -20px rgba(27,26,22,.45);
  --t:200ms ease-out;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--deep);outline-offset:2px;border-radius:4px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--deep);color:#F6F1E4;padding:10px 18px;z-index:200;border-radius:0 0 10px 0;}
.skip-link:focus{left:0;}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow var(--t);}
.site-head.is-compact{box-shadow:0 8px 24px -18px rgba(27,26,22,.55);}
.brand-row{height:72px;display:flex;align-items:center;overflow:hidden;transition:height var(--t),opacity var(--t);}
.site-head.is-compact .brand-row{height:0;opacity:0;}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.logo-tile{width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--primary);display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px rgba(27,26,22,.08);}
.logo-tile svg{width:28px;height:28px;display:block;}
.brand-copy{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.08em;margin-top:3px;}
.brand-actions{display:flex;align-items:center;gap:14px;}
.phone-link{font-size:15px;font-weight:600;color:var(--deep);padding:8px 12px;border-radius:10px;transition:background var(--t);font-variant-numeric:tabular-nums;}
.phone-link:hover{background:var(--surface-2);}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--t),opacity var(--t);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.channel-row{border-top:1px solid var(--line);transition:box-shadow var(--t);}
.site-head.is-compact .channel-row{box-shadow:0 1px 0 var(--line);}
.channel-list{display:flex;align-items:center;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 18px;font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;transition:background var(--t),color var(--t);}
.channel-list a:hover{background:var(--surface-2);color:var(--ink);}
.channel-list a + a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:16px;background:var(--line);}
.channel-list a.is-active{color:var(--ink);box-shadow:inset 0 -3px 0 var(--primary);background:rgba(250,233,196,.35);}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(27,26,22,.5);z-index:90;opacity:0;pointer-events:none;transition:opacity var(--t);}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:var(--surface);z-index:100;transform:translateX(102%);transition:transform 240ms ease-out;display:flex;flex-direction:column;box-shadow:-20px 0 40px -24px rgba(27,26,22,.6);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);}
.drawer-title{font-size:15px;font-weight:700;}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);font-size:20px;line-height:1;color:var(--ink);}
.drawer-body{padding:18px 20px;overflow-y:auto;flex:1;}
.drawer-group + .drawer-group{margin-top:22px;}
.drawer-group h4{font-size:12px;letter-spacing:.12em;color:var(--ink-2);font-weight:600;margin-bottom:8px;}
.drawer-group a{display:block;padding:12px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--ink);transition:background var(--t);}
.drawer-group a:hover,.drawer-group a.is-active{background:var(--primary-soft);}
.drawer-foot{padding:16px 20px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line);display:grid;gap:10px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t);}
.btn-primary{background:var(--primary);color:#20200F;box-shadow:0 1px 2px rgba(27,26,22,.08);}
.btn-primary:hover{background:var(--primary-strong);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:var(--surface);color:var(--deep);border-color:rgba(31,74,66,.32);}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--deep);border-bottom:1px solid rgba(31,74,66,.35);padding-bottom:2px;transition:color var(--t),border-color var(--t);}
.link-more:hover{color:var(--primary-strong);border-color:var(--primary-strong);}

/* ---------- tags ---------- */
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:500;letter-spacing:.04em;padding:4px 10px;border-radius:999px;background:var(--primary-soft);color:#4A3A11;}
.tag-dark{background:var(--deep);color:#F6F1E4;}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:56px 0 0;}
.hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center;z-index:0;}
.hero-bg::after{content:"";position:absolute;inset:0;background:rgba(251,247,239,.88);}
.cat-hero .wrap{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:rgba(31,74,66,.72);margin-bottom:20px;}
.crumbs span.sep{opacity:.5;}
.crumbs a:hover{color:var(--primary-strong);}
.crumbs .current{color:var(--ink-2);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.08em;background:var(--primary-soft);color:#4A3A11;padding:5px 12px;border-radius:999px;}
.cat-hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:18px 0 16px;max-width:20em;}
.cat-hero .lede{max-width:660px;color:var(--ink-2);font-size:16.5px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin:34px 0 0;padding-bottom:38px;}
.hero-stat{padding-right:28px;margin-right:28px;border-right:1px solid var(--line);}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stat b{display:block;font-size:24px;font-weight:700;color:var(--deep);letter-spacing:-.01em;font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-stat span{font-size:12px;color:var(--ink-2);letter-spacing:.04em;}
.clapper{height:6px;background-image:repeating-linear-gradient(45deg,var(--primary) 0 10px,var(--deep) 10px 20px);}

/* ---------- anchors ---------- */
.anchor-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.anchor-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{flex:0 0 auto;font-size:13.5px;font-weight:600;color:var(--ink-2);padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--bg);transition:all var(--t);}
.anchor-inner a:hover{background:var(--primary-soft);color:#4A3A11;border-color:var(--primary);}

/* ---------- sections ---------- */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.28;font-weight:700;letter-spacing:-.01em;position:relative;padding-left:14px;}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary);}
.section-head p{color:var(--ink-2);font-size:15px;max-width:620px;margin-top:10px;padding-left:14px;}
.band-2{background:var(--surface-2);}
.band-white{background:var(--surface);}

/* ---------- steps timeline ---------- */
.timeline{position:relative;margin-top:12px;}
.timeline-track{position:absolute;left:0;right:0;top:7px;height:1px;background:var(--line);}
.timeline-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;}
.step{position:relative;padding-top:0;}
.step .node{width:14px;height:14px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(223,163,42,.18);margin-bottom:22px;transition:transform var(--t),box-shadow var(--t);}
.step:nth-child(1) .node{transform:scale(1.15);box-shadow:0 0 0 6px rgba(223,163,42,.24);}
.step:hover .node{transform:scale(1.25);box-shadow:0 0 0 7px rgba(223,163,42,.22);}
.step-num{font-size:13px;font-weight:700;color:var(--primary-strong);letter-spacing:.06em;font-variant-numeric:tabular-nums;}
.step h3{font-size:19px;font-weight:700;margin:6px 0 10px;line-height:1.4;}
.step-dl{font-size:13.5px;color:var(--ink-2);line-height:1.8;}
.step-dl dt{font-size:12px;letter-spacing:.06em;color:rgba(76,71,60,.75);margin-bottom:2px;}
.step-dl dd{margin:0 0 10px;color:var(--ink);font-size:13.5px;}

/* ---------- two column checklists ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px;}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.panel h3{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.panel .panel-note{font-size:13.5px;color:var(--ink-2);margin-bottom:18px;}
.check-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px;line-height:1.7;}
.check-list li:last-child{border-bottom:0;}
.mark{flex:0 0 20px;width:20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;margin-top:3px;font-size:12px;font-weight:700;line-height:1;}
.mark-ok{background:rgba(62,122,90,.12);color:var(--ok);}
.mark-no{background:rgba(194,78,56,.12);color:var(--accent);}

/* ---------- spec cards ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.spec-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.spec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(223,163,42,.5);}
.spec-card h3{font-size:17px;font-weight:700;margin-bottom:4px;}
.spec-card .spec-sub{font-size:13px;color:var(--ink-2);margin-bottom:14px;}
.spec-rows{display:grid;gap:8px;}
.spec-row{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;padding:8px 0;border-top:1px solid var(--line);}
.spec-row span{color:var(--ink-2);}
.spec-row b{font-weight:600;font-variant-numeric:tabular-nums;text-align:right;}

/* ---------- deliverables strip ---------- */
.deliver{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;background:var(--deep);border-radius:var(--radius);padding:40px;color:#F6F1E4;position:relative;overflow:hidden;}
.deliver h2{font-size:clamp(22px,2.6vw,28px);line-height:1.3;font-weight:700;margin-bottom:12px;color:#F6F1E4;}
.deliver p{font-size:14.5px;color:rgba(246,241,228,.72);line-height:1.85;max-width:36em;}
.deliver-figure{border-radius:var(--radius-sm);overflow:hidden;border:1px solid rgba(246,241,228,.18);}
.deliver-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.deliver-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin-top:22px;}
.deliver-list div{font-size:13.5px;color:rgba(246,241,228,.86);display:flex;gap:8px;align-items:flex-start;}
.deliver-list i{width:6px;height:6px;border-radius:50%;background:var(--primary);flex:0 0 6px;margin-top:8px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:box-shadow var(--t),border-color var(--t);}
.faq-item[open]{border-color:rgba(223,163,42,.6);box-shadow:var(--shadow);border-left:3px solid var(--primary);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 56px 18px 20px;font-size:16.5px;font-weight:600;position:relative;line-height:1.6;transition:background var(--t);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(250,233,196,.35);}
.faq-item summary::after{content:"";position:absolute;right:20px;top:50%;width:20px;height:20px;transform:translateY(-50%);background:
  linear-gradient(var(--ink),var(--ink)) center/12px 2px no-repeat,
  linear-gradient(var(--ink),var(--ink)) center/2px 12px no-repeat;
  transition:transform var(--t);opacity:.75;}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(90deg);opacity:1;background:
  linear-gradient(var(--primary-strong),var(--primary-strong)) center/12px 2px no-repeat;}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.faq-body p + p{margin-top:10px;}
.faq-more{text-align:center;margin-top:22px;font-size:14.5px;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{background:var(--primary-soft);border-top:1px solid rgba(223,163,42,.4);border-bottom:1px solid rgba(223,163,42,.4);padding:64px 0;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.cta-copy h2{font-size:clamp(24px,3vw,32px);line-height:1.28;font-weight:700;margin-bottom:14px;}
.cta-copy p{color:var(--ink-2);font-size:15px;line-height:1.85;max-width:34em;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.cta-badges span{font-size:12.5px;background:rgba(255,255,255,.72);border:1px solid rgba(223,163,42,.5);border-radius:999px;padding:5px 12px;color:#4A3A11;}
.form-card{background:var(--surface);border:1px solid rgba(223,163,42,.45);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink);}
.req{color:var(--accent);margin-left:2px;}
.field input,.field select,.field textarea{width:100%;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:12px 14px;color:var(--ink);transition:border-color var(--t),background var(--t),box-shadow var(--t);}
.field input,.field select{height:46px;padding:0 14px;}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(223,163,42,.18);outline:none;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);line-height:1.7;margin:6px 0 16px;}
.consent input{width:18px;height:18px;margin-top:2px;flex:0 0 18px;accent-color:var(--primary-strong);}
.form-note{font-size:12.5px;color:var(--ink-2);margin-top:12px;line-height:1.7;}
.form-success{display:none;background:rgba(62,122,90,.1);border:1px solid rgba(62,122,90,.4);color:#2C5C43;border-radius:12px;padding:18px;font-size:14.5px;line-height:1.8;}
.form-success.is-visible{display:block;}

/* ---------- footer ---------- */
.site-foot{position:relative;background:var(--deep);color:#F6F1E4;padding:64px 0 0;overflow:hidden;}
.foot-dots{position:absolute;left:24px;top:26px;width:120px;height:70px;background-image:radial-gradient(rgba(246,241,228,.16) 2px,transparent 2px);background-size:14px 14px;pointer-events:none;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;position:relative;z-index:1;}
.foot-col h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(246,241,228,.6);font-weight:600;margin-bottom:14px;}
.foot-col a{display:block;font-size:14px;color:rgba(246,241,228,.86);padding:5px 0;transition:color var(--t);}
.foot-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.site-foot .brand{margin-bottom:16px;align-items:center;}
.site-foot .brand-name{color:#F6F1E4;font-size:16px;}
.site-foot .brand-sub{color:rgba(246,241,228,.66);}
.site-foot .logo-tile{background:var(--primary);}
.foot-desc{font-size:13.5px;color:rgba(246,241,228,.66);line-height:1.85;max-width:26em;margin-bottom:16px;}
.foot-contact{font-size:13.5px;color:rgba(246,241,228,.72);line-height:1.9;}
.foot-contact a{display:inline;color:#F6F1E4;padding:0;}
.foot-contact a:hover{color:var(--primary);}
.foot-bottom{margin-top:48px;border-top:1px solid rgba(246,241,228,.16);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;font-size:12.5px;color:rgba(246,241,228,.58);position:relative;z-index:1;}
.foot-bottom a{color:rgba(246,241,228,.72);}
.foot-bottom a:hover{color:var(--primary);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .channel-row{display:none;}
  .nav-toggle{display:flex;}
  .phone-link{display:none;}
  .brand-row{height:64px;}
  .section{padding:56px 0;}
  .timeline-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .timeline-track{display:none;}
  .step{border-left:2px solid var(--line);padding-left:18px;}
  .step .node{position:absolute;left:-7px;top:2px;margin-bottom:0;}
  .step h3{margin-top:8px;}
  .check-grid{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:1fr 1fr;}
  .deliver{grid-template-columns:1fr;padding:32px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  .brand-name{font-size:15px;white-space:normal;}
  .brand-sub{display:none;}
  .cat-hero{padding-top:34px;}
  .hero-stats{gap:18px 0;}
  .hero-stat{padding-right:20px;margin-right:20px;}
  .hero-stat b{font-size:21px;}
  .hero-actions .btn{width:100%;}
  .section{padding:44px 0;}
  .section-head{margin-bottom:24px;}
  .timeline-grid{grid-template-columns:1fr;gap:22px;}
  .spec-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .deliver{padding:24px;}
  .deliver-list{grid-template-columns:1fr;}
  .panel{padding:20px;}
  .faq-item summary{font-size:15.5px;padding:16px 48px 16px 16px;}
  .foot-grid{grid-template-columns:1fr;gap:24px;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .form-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category5 */
:root{
  --bg:#FBF7EF;
  --surface:#FFFFFF;
  --surface-2:#F3EBDC;
  --ink:#1B1A16;
  --ink-2:#4C473C;
  --line:#E3D8C2;
  --primary:#DFA32A;
  --primary-strong:#B57C10;
  --primary-soft:#FAE9C4;
  --deep:#1F4A42;
  --deep-2:#143129;
  --accent:#C24E38;
  --ok:#3E7A5A;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(27,26,22,.06),0 14px 30px -20px rgba(27,26,22,.35);
  --sh-hover:0 2px 4px rgba(27,26,22,.08),0 22px 42px -22px rgba(27,26,22,.42);
  --head-h:120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--primary-strong)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--deep);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--deep);color:#F6F1E4;padding:10px 18px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0;color:#F6F1E4}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--primary);color:var(--ink)}
.btn-primary:hover{background:var(--primary-strong);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:var(--surface);color:var(--deep);border-color:rgba(31,74,66,.3)}
.btn-ghost:hover{background:var(--surface-2);color:var(--deep);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--deep);border-bottom:1px solid var(--deep);padding-bottom:2px}
.link-more:hover{color:var(--primary-strong);border-bottom-color:var(--primary-strong)}
.arrow{display:inline-block;transition:transform .2s ease-out}
a:hover .arrow,button:hover .arrow{transform:translateX(3px)}

/* ---------- 页头 ---------- */
.site-head{position:sticky;top:0;z-index:90;background:var(--bg)}
.head-top{background:var(--bg);transition:height .24s ease-out,opacity .24s ease-out;overflow:hidden}
.head-top-in{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo-tile{width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--primary);display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(27,26,22,.08)}
.logo-tile svg{width:26px;height:26px}
.brand-copy{display:flex;flex-direction:column;min-width:0}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{font-size:11px;letter-spacing:.06em;color:var(--ink-2);line-height:1.4}
.head-actions{display:flex;align-items:center;gap:14px}
.head-tel{font-size:14px;font-weight:600;color:var(--deep);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.head-tel:hover{color:var(--primary-strong)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:0;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.head-chan{border-top:1px solid rgba(227,216,194,.7);border-bottom:1px solid var(--line);background:var(--bg);transition:box-shadow .2s ease-out}
.site-head.is-stuck .head-top{height:0;opacity:0}
.site-head.is-stuck .head-chan{box-shadow:0 6px 18px -14px rgba(27,26,22,.5)}
.channel-list{display:flex;align-items:center;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{
  position:relative;display:inline-block;flex:0 0 auto;
  padding:0 20px;line-height:47px;font-size:15px;color:var(--ink-2);
  border-left:1px solid rgba(227,216,194,.5);
  transition:background .18s ease-out,color .18s ease-out;
}
.channel-list a:first-child{border-left:0}
.channel-list a:hover{background:var(--surface-2);color:var(--ink)}
.channel-list a.is-active{color:var(--ink);font-weight:600}
.channel-list a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;background:var(--primary);border-radius:2px}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(27,26,22,.5);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:120}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:var(--surface);
  z-index:130;transform:translateX(102%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;padding:20px 20px 24px;overflow-y:auto;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open .nav-drawer{transform:translateX(0)}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:13px;letter-spacing:.1em;color:var(--ink-2)}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:20px;line-height:1;cursor:pointer;color:var(--ink)}
.drawer-group{margin-bottom:18px}
.drawer-group h5{margin:0 0 8px;font-size:12px;letter-spacing:.12em;color:var(--primary-strong);font-weight:700}
.drawer-group a{display:block;padding:11px 4px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-foot{margin-top:auto;padding-top:18px;display:grid;gap:10px}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:rgba(31,74,66,.62)}
.crumb a{color:rgba(31,74,66,.62)}
.crumb a:hover{color:var(--primary-strong)}
.crumb span{color:var(--ink-2)}

/* ---------- 分类首屏 ---------- */
.cat-hero{padding:26px 0 8px}
.cat-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);color:#5C4310;font-size:12px;font-weight:600;letter-spacing:.08em;padding:5px 12px;border-radius:999px;margin-bottom:16px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary-strong)}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
h1 .hl{position:relative;white-space:nowrap}
h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;background:var(--primary-soft);z-index:-1;border-radius:4px}
.cat-lead{font-size:17px;color:var(--ink-2);max-width:40em;margin-bottom:22px}
.hero-facts{display:flex;flex-wrap:wrap;gap:0;margin-bottom:24px}
.hero-facts li{padding:0 22px;border-left:1px solid var(--line)}
.hero-facts li:first-child{padding-left:0;border-left:0}
.fact-num{display:block;font-size:22px;font-weight:700;color:var(--deep);font-variant-numeric:tabular-nums;line-height:1.3}
.fact-label{font-size:12px;color:var(--ink-2)}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.cat-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);background:var(--surface-2)}
.cat-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.cat-media .sub-bar{position:absolute;left:14px;bottom:14px;background:rgba(27,26,22,.88);color:var(--primary);font-size:12px;letter-spacing:.08em;padding:6px 12px;border-radius:6px}

/* ---------- 锚点条 ---------- */
.anchor-bar-wrap{padding:26px 0 0}
.anchor-bar{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{flex:0 0 auto;font-size:14px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);white-space:nowrap}
.anchor-bar a:hover{background:var(--primary-soft);border-color:var(--primary);color:#5C4310}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.section-soft{background:var(--surface-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3vw,32px)}
.sec-head .sub{font-size:15px;color:var(--ink-2);margin:8px 0 0;max-width:46em}
h2.rule{position:relative;padding-left:16px}
h2.rule::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary)}

/* ---------- 报价主体 ---------- */
.quote-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.tier-stack{display:grid;gap:18px}
.tier-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);
  transition:box-shadow .22s ease-out,transform .22s ease-out,border-color .22s ease-out;
}
.tier-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);border-color:rgba(223,163,42,.5)}
.tier-card.is-main{border:2px solid var(--primary);background:linear-gradient(180deg,#FFFDF7 0%,#FFFFFF 46%)}
.tier-flag{position:absolute;top:-13px;left:22px;background:var(--accent);color:#fff;font-size:12px;font-weight:600;letter-spacing:.06em;padding:4px 10px;border-radius:999px}
.tier-name{font-size:20px;font-weight:700;margin-bottom:6px}
.tier-spec{font-size:13px;color:var(--ink-2);margin-bottom:14px}
.tier-price{display:flex;align-items:baseline;gap:6px;margin-bottom:4px}
.price-num{font-size:30px;font-weight:800;color:var(--deep);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.price-unit{font-size:13px;color:var(--ink-2)}
.tier-cycle{font-size:13px;color:var(--deep);background:var(--surface-2);display:inline-block;padding:4px 10px;border-radius:999px;margin-bottom:16px}
.tier-list{margin:0 0 18px;display:grid;gap:9px}
.tier-list li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2);line-height:1.6}
.tier-list li::before{content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:2px;background:var(--primary)}

/* ---------- FAQ ---------- */
.faq-block{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 24px 12px;box-shadow:var(--sh)}
.faq-block h3{font-size:18px;margin:20px 0 6px;padding-left:12px;border-left:4px solid var(--primary);line-height:1.2}
.faq-block .faq-hint{font-size:14px;color:var(--ink-2);margin:0 0 10px;padding-left:16px}
details.faq{border-bottom:1px solid var(--line)}
details.faq:last-of-type{border-bottom:0}
details.faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:17px 44px 17px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s ease-out;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"";position:absolute;right:8px;top:50%;width:20px;height:20px;margin-top:-10px;
  background:
    linear-gradient(var(--deep),var(--deep)) center/12px 2px no-repeat,
    linear-gradient(var(--deep),var(--deep)) center/2px 12px no-repeat;
  transition:transform .2s ease-out;
}
details.faq[open] summary{color:var(--primary-strong)}
details.faq[open] summary::after{
  background:linear-gradient(var(--primary-strong),var(--primary-strong)) center/12px 2px no-repeat;
  transform:rotate(180deg);
}
details.faq .faq-a{padding:0 24px 18px 4px;font-size:15px;line-height:1.85;color:var(--ink-2)}
details.faq .faq-a p{margin:0}
details.faq[open]{background:rgba(250,233,196,.32);border-radius:10px}

/* ---------- 包含项卡片 ---------- */
.include-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.include-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;transition:box-shadow .22s ease-out,transform .22s ease-out,border-color .22s ease-out}
.include-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);border-color:rgba(223,163,42,.45)}
.include-idx{font-size:12px;font-weight:700;color:var(--primary-strong);letter-spacing:.1em;font-variant-numeric:tabular-nums}
.include-card h3{font-size:18px;margin:8px 0 8px}
.include-card p{font-size:14px;color:var(--ink-2);margin:0}

/* ---------- 变动项 ---------- */
.vary-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.vary-list{display:grid;gap:16px;margin-top:20px}
.vary-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-img);padding:18px 20px;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}
.vary-item .n{font-size:13px;font-weight:700;color:var(--primary-strong);font-variant-numeric:tabular-nums;letter-spacing:.08em;padding-top:2px}
.vary-item h3{font-size:17px;margin-bottom:4px}
.vary-item p{font-size:14px;color:var(--ink-2);margin:0}
.vary-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh)}
.vary-media img{width:100%;aspect-ratio:4/5;object-fit:cover}

/* ---------- 深色底板 ---------- */
.dark-band{background:var(--deep);color:#F6F1E4;padding:64px 0}
.dark-band h2{color:#F6F1E4;font-size:clamp(24px,3vw,32px)}
.dark-band .lead{color:rgba(246,241,228,.72);font-size:15px;max-width:34em;margin:12px 0 22px}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:start}
.cta-points{display:grid;gap:10px;margin-top:6px}
.cta-points li{position:relative;padding-left:22px;font-size:14px;color:rgba(246,241,228,.82)}
.cta-points li::before{content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border:1.5px solid var(--primary);border-radius:2px}
.dark-phone{display:inline-flex;align-items:center;gap:10px;margin-top:24px;font-size:18px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}
.dark-phone:hover{color:#F6F1E4}

.form-panel{background:rgba(255,255,255,.05);border:1px solid rgba(246,241,228,.22);border-radius:var(--r-card);padding:24px}
.form-panel h3{font-size:18px;color:#F6F1E4;margin-bottom:4px}
.form-panel .panel-note{font-size:13px;color:rgba(246,241,228,.66);margin-bottom:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:rgba(246,241,228,.82);margin-bottom:6px;font-weight:500}
.req{color:var(--accent);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:15px;color:var(--ink);background:var(--surface);
  border:1px solid rgba(246,241,228,.3);border-radius:10px;padding:0 12px;height:46px;
  transition:box-shadow .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.field textarea{height:auto;min-height:96px;padding:11px 12px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(223,163,42,.28);background:#fff;
}
.check-line{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:rgba(246,241,228,.74);margin:4px 0 16px;line-height:1.6}
.check-line input{width:16px;height:16px;margin-top:3px;flex:0 0 16px;accent-color:var(--primary)}
.form-ok{background:rgba(62,122,90,.18);border:1px solid var(--ok);border-radius:12px;padding:18px;font-size:14px;color:#EAF6EE}
.form-ok strong{display:block;font-size:16px;margin-bottom:4px;color:#fff}

/* ---------- 页脚 ---------- */
.site-foot{position:relative;background:var(--deep-2);color:#F6F1E4;padding:56px 0 0;overflow:hidden}
.foot-dots{position:absolute;left:18px;top:22px;width:96px;height:96px;opacity:.07;pointer-events:none;
  background-image:radial-gradient(#F6F1E4 2.4px,transparent 2.6px);background-size:16px 16px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;position:relative;z-index:1}
.site-foot .logo-tile{background:var(--primary)}
.brand-name-light{font-size:17px;font-weight:700;color:#F6F1E4;letter-spacing:-.01em;display:block}
.brand-sub-light{font-size:11px;letter-spacing:.06em;color:rgba(246,241,228,.66);display:block}
.foot-desc{font-size:13px;color:rgba(246,241,228,.66);line-height:1.8;margin:14px 0 16px;max-width:28em}
.foot-contact{font-size:13px;color:rgba(246,241,228,.72);display:grid;gap:6px}
.foot-contact a{color:#F6F1E4}
.foot-contact a:hover{color:var(--primary)}
.foot-col h4{font-size:13px;letter-spacing:.1em;color:var(--primary);margin-bottom:14px;font-weight:700}
.foot-col a{display:block;font-size:14px;color:rgba(246,241,228,.76);padding:5px 0;border-bottom:1px solid transparent}
.foot-col a:hover{color:var(--primary);border-bottom-color:var(--primary)}
.foot-base{margin-top:36px;border-top:1px solid rgba(246,241,228,.16);padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12px;color:rgba(246,241,228,.6)}

/* ---------- 移动吸底条 ---------- */
.mobile-bar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .cat-media{order:-1}
  .quote-grid{grid-template-columns:1fr}
  .include-grid{grid-template-columns:repeat(2,1fr)}
  .vary-grid{grid-template-columns:1fr}
  .vary-media{max-width:420px}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .head-tel{display:none}
  .brand-name{font-size:16px}
}
@media (max-width:767px){
  .nav-toggle{display:flex}
  .head-actions .btn-sm{display:none}
  .wrap{padding:0 18px}
  .section{padding:44px 0}
  .section-tight{padding:36px 0}
  .channel-list{padding:0 0}
  .channel-list a{padding:0 15px;font-size:14px;line-height:44px}
  .hero-facts{gap:8px}
  .hero-facts li{padding:0 14px}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-base{justify-content:flex-start}
  .include-grid{grid-template-columns:1fr}
  .faq-block{padding:6px 16px 10px}
  details.faq summary{font-size:16px;padding-right:36px}
  .tier-card{padding:20px}
}
@media (max-width:639px){
  h1{font-size:clamp(26px,7.2vw,34px)}
  .cat-lead{font-size:15px}
  .hero-btns .btn{width:100%}
  .mobile-bar{
    display:flex;align-items:center;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:100;
    background:var(--surface);border-top:1px solid var(--line);padding:8px 14px calc(8px + env(safe-area-inset-bottom));
  }
  .mobile-bar .btn{height:48px}
  .mobile-bar .btn-ghost{flex:0 0 40%}
  .mobile-bar .btn-primary{flex:1}
  body{padding-bottom:78px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --bg:#FBF7EF;
  --surface:#FFFFFF;
  --surface-2:#F3EBDC;
  --ink:#1B1A16;
  --ink-2:#4C473C;
  --line:#E3D8C2;
  --primary:#DFA32A;
  --primary-strong:#B57C10;
  --primary-soft:#FAE9C4;
  --deep:#1F4A42;
  --deep-2:#143129;
  --accent:#C24E38;
  --ok:#3E7A5A;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(27,26,22,.06),0 14px 30px -20px rgba(27,26,22,.35);
  --sh-hover:0 2px 4px rgba(27,26,22,.08),0 22px 40px -22px rgba(27,26,22,.45);
  --t:200ms ease-out;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--deep);outline-offset:2px;border-radius:4px}
::selection{background:var(--primary-soft);color:var(--ink)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:300;background:var(--deep);color:#F6F1E4;padding:12px 20px;border-radius:0 0 10px 0;font-size:14px}
.skip-link:focus{left:0}

/* ============ 页头 ============ */
.site-head{position:sticky;top:0;z-index:80;background:var(--bg);box-shadow:0 1px 0 var(--line)}
.head-inner{max-width:1200px;margin:0 auto;padding:0 24px}
.brand-row{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo-tile{width:44px;height:44px;border-radius:12px;background:var(--primary);display:grid;place-items:center;flex:0 0 auto}
.logo-tile svg{width:26px;height:26px;display:block}
.brand-copy{display:block;min-width:0}
.brand-name{display:block;font-size:17px;font-weight:700;letter-spacing:-.01em;line-height:1.2;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{display:block;font-size:11px;color:var(--ink-2);letter-spacing:.04em;margin-top:3px}
.head-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.head-tel{font-size:14px;color:var(--ink-2);font-variant-numeric:tabular-nums;transition:color var(--t)}
.head-tel:hover{color:var(--primary-strong)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle:hover{background:var(--surface-2)}
.channel-list{display:flex;align-items:center;height:48px;border-top:1px solid rgba(227,216,194,.9);overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{position:relative;display:inline-flex;align-items:center;height:100%;padding:0 20px;font-size:15px;color:var(--ink-2);white-space:nowrap;transition:color var(--t),background var(--t)}
.channel-list a+a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:16px;background:var(--line);opacity:.5}
.channel-list a:hover{background:var(--surface-2);color:var(--ink)}
.channel-list a.is-active{color:var(--ink);font-weight:600}
.channel-list a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--primary);border-radius:2px 2px 0 0}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t)}
.btn-primary{background:var(--primary);color:var(--ink)}
.btn-primary:hover{background:var(--primary-strong);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh)}
.btn-ghost{background:var(--surface);color:var(--deep);border-color:rgba(31,74,66,.32)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--deep);border-bottom:1px solid rgba(31,74,66,.35);padding-bottom:2px;transition:color var(--t),border-color var(--t)}
.text-link::after{content:"→";font-size:14px;transition:transform var(--t)}
.text-link:hover{color:var(--primary-strong);border-color:var(--primary-strong)}
.text-link:hover::after{transform:translateX(3px)}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(27,26,22,.5);z-index:110;opacity:0;pointer-events:none;transition:opacity 220ms ease-out}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:var(--surface);z-index:120;transform:translateX(100%);transition:transform 220ms ease-out;display:flex;flex-direction:column;box-shadow:-20px 0 40px -20px rgba(27,26,22,.5);overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-head strong{font-size:15px;font-weight:700}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:var(--surface-2);border-radius:10px;font-size:18px;line-height:1;color:var(--ink);cursor:pointer;display:grid;place-items:center}
.drawer-close:hover{background:var(--primary-soft)}
.drawer-nav{padding:18px 20px;flex:1}
.drawer-nav h5{font-size:12px;letter-spacing:.08em;color:var(--ink-2);font-weight:600;margin:14px 0 6px}
.drawer-nav h5:first-child{margin-top:0}
.drawer-nav a{display:block;padding:11px 12px;border-radius:9px;font-size:15px;color:var(--ink);transition:background var(--t)}
.drawer-nav a:hover{background:var(--surface-2)}
.drawer-nav a.is-active{background:var(--primary-soft);font-weight:600}
.drawer-foot{padding:16px 20px calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--line);display:grid;gap:10px}
.drawer-foot .btn{width:100%}

/* ============ 面包屑 / 分类首屏 ============ */
.crumbs{padding:22px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(31,74,66,.62)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--line)}
.crumbs a{transition:color var(--t)}
.crumbs a:hover{color:var(--primary-strong)}
.cat-hero{padding:26px 0 36px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);color:#6B4A05;font-size:12px;font-weight:600;letter-spacing:.04em;padding:6px 12px;border-radius:999px}
.cat-hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:18px 0 16px;max-width:17em}
.cat-hero .lede{font-size:16px;line-height:1.9;color:var(--ink-2);max-width:42em}
.cat-facts{display:flex;flex-wrap:wrap;gap:18px 44px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.fact strong{display:block;font-size:22px;font-weight:700;color:var(--deep);font-variant-numeric:tabular-nums;line-height:1.3}
.fact span{font-size:12px;color:var(--ink-2)}
.notice{display:flex;gap:12px;align-items:flex-start;background:var(--surface-2);border-left:3px solid var(--deep);border-radius:0 12px 12px 0;padding:16px 20px;margin-top:26px;max-width:840px}
.notice p{font-size:14.5px;color:var(--ink-2);line-height:1.7}
.notice-ico{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:var(--deep);color:#F6F1E4;font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px}

/* ============ 锚点条 ============ */
.anchor-bar{display:flex;gap:10px;overflow-x:auto;padding:6px 0 18px;scrollbar-width:none;-ms-overflow-style:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{white-space:nowrap;font-size:13.5px;padding:8px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--ink-2);transition:background var(--t),border-color var(--t),color var(--t)}
.anchor-bar a:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--ink)}

/* ============ 主体条款 ============ */
.clause-section{padding:10px 0 64px}
.clause-aside{display:none}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 16px;box-shadow:var(--sh)}
.toc-title{font-size:12px;letter-spacing:.09em;color:var(--ink-2);font-weight:600;margin-bottom:12px;padding-left:12px}
.toc a{display:block;font-size:14px;padding:9px 12px;border-radius:8px;color:var(--ink-2);border-left:3px solid transparent;transition:background var(--t),color var(--t),border-color var(--t)}
.toc a:hover,.toc a.is-current{background:var(--primary-soft);border-left-color:var(--primary);color:var(--ink)}
.clause-block{margin-bottom:48px;scroll-margin-top:150px}
.clause-block:last-child{margin-bottom:0}
.clause-block h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em;padding-left:14px;border-left:4px solid var(--primary);margin-bottom:14px}
.block-lede{font-size:15px;color:var(--ink-2);line-height:1.85;margin-bottom:20px;max-width:40em}
.acc{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.acc:hover{border-color:rgba(223,163,42,.5)}
.acc[open]{border-color:rgba(223,163,42,.6);box-shadow:var(--sh)}
.acc summary{list-style:none;cursor:pointer;position:relative;padding:16px 56px 16px 20px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;transition:background var(--t)}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover{background:var(--surface-2)}
.acc summary::before,.acc summary::after{content:"";position:absolute;top:50%;background:var(--ink);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.acc summary::before{right:20px;width:14px;height:2px;transform:translateY(-50%)}
.acc summary::after{right:26px;width:2px;height:14px;transform:translateY(-50%)}
.acc[open] summary::after{transform:translateY(-50%) rotate(90deg);opacity:0}
.acc-body{padding:0 20px 20px;font-size:15px;line-height:1.88;color:var(--ink-2)}
.acc-body p+p{margin-top:12px}
.acc-body ul{margin-top:10px}
.acc-body li{position:relative;padding-left:20px;margin-bottom:8px}
.acc-body li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--primary)}

/* ============ 平台规格行 ============ */
.spec-list{margin-top:6px}
.spec-row{display:grid;grid-template-columns:1.1fr .9fr 2fr;gap:16px;align-items:center;padding:16px 20px;background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;transition:border-color var(--t),transform var(--t),box-shadow var(--t)}
.spec-row:hover{border-color:rgba(223,163,42,.6);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.spec-name{font-weight:600;font-size:15.5px;color:var(--ink)}
.spec-time{justify-self:start;font-size:13.5px;font-weight:600;color:#6B4A05;background:var(--primary-soft);padding:4px 12px;border-radius:999px;font-variant-numeric:tabular-nums;white-space:nowrap}
.spec-note{font-size:14px;color:var(--ink-2);line-height:1.7}
.spec-foot{font-size:14px;color:var(--ink-2);line-height:1.8;margin-top:14px;padding-left:14px;border-left:3px solid var(--line)}

/* ============ 图文块 / 清单 ============ */
.media-block{display:grid;grid-template-columns:1fr;gap:22px;align-items:start;margin-bottom:22px}
.media-block figure{margin:0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.media-block img{width:100%;aspect-ratio:8/5;object-fit:cover;transition:transform 300ms ease-out}
.media-block figure:hover img{transform:scale(1.03)}
.check-list li{position:relative;padding-left:32px;margin-bottom:12px;font-size:15px;color:var(--ink-2);line-height:1.75}
.check-list li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:5px;border:1.5px solid var(--primary);background:var(--primary-soft)}
.check-list li::after{content:"";position:absolute;left:5px;top:9px;width:8px;height:4px;border-left:2px solid var(--primary-strong);border-bottom:2px solid var(--primary-strong);transform:rotate(-45deg)}
.check-list strong{color:var(--ink);font-weight:600}
.red-list{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line)}
.red-list h3{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:12px}
.red-list li{position:relative;padding-left:32px;margin-bottom:10px;font-size:14.5px;color:var(--ink-2);line-height:1.75}
.red-list li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:5px;border:1.5px solid rgba(194,78,56,.45);
  background:
    linear-gradient(45deg,transparent calc(50% - 1px),var(--accent) calc(50% - 1px),var(--accent) calc(50% + 1px),transparent calc(50% + 1px)),
    linear-gradient(-45deg,transparent calc(50% - 1px),var(--accent) calc(50% - 1px),var(--accent) calc(50% + 1px),transparent calc(50% + 1px)),
    rgba(194,78,56,.08);
  background-size:60% 60%,60% 60%,auto;background-position:center,center,0 0;background-repeat:no-repeat}

/* ============ CTA ============ */
.cta-section{padding:16px 0 8px}
.cta-card{background:var(--primary-soft);border:1px solid rgba(223,163,42,.45);border-radius:20px;padding:40px;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.cta-card p{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:46ch;line-height:1.8}
.cta-note{font-size:12.5px;color:var(--ink-2);margin-top:12px;opacity:.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-foot{position:relative;background:var(--deep);color:#F6F1E4;padding:64px 0 0;margin-top:72px;overflow:hidden}
.foot-dots{position:absolute;left:0;top:0;width:200px;height:200px;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(246,241,228,.18) 2px,transparent 2px);background-size:14px 14px}
.foot-grid{position:relative;display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.site-foot .brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-foot .brand-name{color:#F6F1E4}
.site-foot .brand-sub{color:rgba(246,241,228,.66)}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(246,241,228,.66);max-width:32ch;margin-bottom:18px}
.foot-contact{font-size:13.5px;color:rgba(246,241,228,.66);line-height:2}
.foot-contact a{color:#F6F1E4;border-bottom:1px solid rgba(246,241,228,.25);transition:color var(--t),border-color var(--t)}
.foot-contact a:hover{color:var(--primary);border-color:var(--primary)}
.foot-col h4{font-size:13px;letter-spacing:.08em;color:#F6F1E4;margin-bottom:16px;font-weight:600}
.foot-col>a{display:block;font-size:14px;color:rgba(246,241,228,.66);padding:5px 0;transition:color var(--t)}
.foot-col>a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{position:relative;border-top:1px solid rgba(246,241,228,.16);padding:20px 0 30px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12.5px;color:rgba(246,241,228,.55)}
.foot-bottom a{color:rgba(246,241,228,.66);border-bottom:1px solid rgba(246,241,228,.2)}
.foot-bottom a:hover{color:var(--primary)}

/* ============ 移动吸底 ============ */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -8px 24px -18px rgba(27,26,22,.5)}
.mobile-bar .btn{flex:1;height:44px;font-size:14px;padding:0 12px}
.mobile-bar .btn-primary{flex:1.4}

/* ============ 响应式 ============ */
@media (min-width:1024px){
  .clause-aside{display:block;align-self:flex-start;position:sticky;top:152px}
  .anchor-bar{display:none}
  .media-block{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:28px}
}
@media (max-width:1023px){
  .brand-name{font-size:15.5px}
  .cat-hero{padding:22px 0 30px}
  .cta-card{padding:32px 28px}
}
@media (max-width:767px){
  .spec-row{grid-template-columns:1fr;gap:8px;padding:16px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  .head-inner{padding:0 18px}
  .brand-row{height:60px}
  .brand-name{font-size:15px}
  .brand-sub{font-size:10px}
  .head-tel,.head-actions .btn{display:none}
  .nav-toggle{display:flex}
  .channel-list a{padding:0 14px;font-size:14px}
  .cat-hero h1{font-size:clamp(26px,7.2vw,34px)}
  .cat-facts{gap:16px 26px}
  .fact strong{font-size:19px}
  .foot-grid{grid-template-columns:1fr}
  .site-foot{padding-top:48px;margin-top:56px}
  .cta-card{padding:26px 20px;border-radius:16px}
  .acc summary{font-size:15px;padding:14px 52px 14px 16px}
  .acc-body{padding:0 16px 18px;font-size:14.5px}
  .mobile-bar{display:flex}
  body{padding-bottom:76px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}