/* roulang page: index */
:root{
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --ink:#1C2833;
  --muted:#5C6B7A;
  --line:#D7E0EA;
  --blue:#2F6294;
  --btn:#1E466C;
  --peach:#E3A48C;
  --peach-deep:#C47B64;
  --shadow:0 10px 30px rgba(30,70,108,.08);
  --shadow-hover:0 16px 34px rgba(30,70,108,.14);
  --radius:14px;
  --radius-btn:10px;
  --container:1120px;
  --pad:72px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;text-underline-offset:4px}
a:hover{color:var(--peach-deep);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
}
button,input{font-family:inherit}
h1,h2,h3,p{margin:0}
h1{font-size:42px;line-height:1.3;font-weight:700;letter-spacing:.01em}
h2{font-size:30px;line-height:1.3;font-weight:700}
h3{font-size:18px;line-height:1.4;font-weight:700}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.nav{
  min-height:76px;
  display:flex;align-items:center;gap:18px;
}
.logo{
  display:flex;flex-direction:column;justify-content:center;
  line-height:1.15;font-weight:700;color:var(--ink);text-decoration:none;
  min-width:148px;
}
.logo:hover{color:var(--btn);text-decoration:none}
.logo span{display:block}
.logo .l1{font-size:18px}
.logo .l2{font-size:15px;color:var(--blue)}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:12px}
.nav-links a{
  padding:8px 12px;border-radius:999px;font-size:15px;
}
.nav-links a:hover{background:#E7EEF6;text-decoration:none;color:var(--btn)}
.nav-links a.active{background:var(--btn);color:#fff}
.nav-links a.active:hover{color:#fff}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:10px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--peach);color:#3d241c;
  border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700;
  white-space:nowrap;
}
.badge i{width:7px;height:7px;border-radius:50%;background:#3d241c;display:block}
.countdown{
  display:flex;flex-direction:column;align-items:flex-end;line-height:1.2;
  min-width:92px;
}
.countdown small{color:var(--muted);font-size:12px}
.countdown strong{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:16px;font-variant-numeric:tabular-nums;color:var(--btn);
}
.menu-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--ink);
  border-radius:10px;padding:8px 12px;cursor:pointer;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;font-weight:700;font-size:14px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{background:var(--btn);color:#fff}
.btn-primary:hover{background:#163652;color:#fff}
.btn-line{background:#fff;color:var(--btn);border-color:#b7c7d8}
.btn-line:hover{color:var(--peach-deep);border-color:var(--peach-deep)}
.btn-peach{background:var(--peach);color:#3d241c}
.btn-peach:hover{background:#d79278;color:#3d241c}
.btn:active{transform:translateY(0)}
main{display:block}
.section{padding:var(--pad) 0}
.section.alt{background:#fff}
.section-head{max-width:760px;margin-bottom:28px}
.section-head p{margin-top:12px;color:var(--muted)}
.kicker{color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
.board-top{display:flex;justify-content:space-between;gap:28px;align-items:flex-end;margin-bottom:28px}
.lead{margin-top:14px;color:var(--muted);max-width:680px}
.sub{margin-top:8px;font-size:18px;color:var(--btn);font-weight:700}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:18px 18px 16px;min-height:132px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.metric span{display:block;color:var(--muted);font-size:14px}
.metric b{
  display:block;margin:10px 0 6px;
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:36px;line-height:1;font-variant-numeric:tabular-nums;color:var(--btn);
}
.metric em{font-style:normal;font-size:13px;color:var(--peach-deep)}
.matrix{display:grid;grid-template-columns:7fr 5fr;gap:16px}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;transition:transform .2s ease,box-shadow .2s ease;
}
.panel:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.panel .media{
  height:120px;border-radius:10px;margin-bottom:16px;
  background:linear-gradient(135deg,#d5e3f2,#f7f1ee 70%);
  border:1px solid var(--line);
}
.panel.narrow .media{background:linear-gradient(135deg,#f6ebe6,#e7eef6)}
.panel p{color:var(--muted);margin:8px 0 16px}
.mini-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:16px}
.mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);
}
.mini b{display:block;margin-bottom:6px}
.mini span{color:var(--muted);font-size:14px}
.scene-row{display:grid;grid-template-columns:1.45fr 1fr .82fr;gap:16px}
.scene{
  display:flex;flex-direction:column;justify-content:space-between;min-height:210px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px;color:inherit;
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);text-decoration:none;color:inherit}
.scene strong{font-size:20px}
.scene p{color:var(--muted);margin:10px 0 0}
.scene:nth-child(2){background:#f8fbfe}
.scene:nth-child(3){background:#fbf7f5}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.side header{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}
.rows{margin-top:14px;border-top:1px solid var(--line)}
.rows div{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.rows span{color:var(--muted)}
.rows b{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);min-height:180px;
}
.step .num{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  color:var(--blue);font-size:22px;font-weight:700;
}
.step h3{margin:10px 0}
.step p{color:var(--muted);font-size:14px}
.timeline{display:flex;flex-direction:column;gap:0;max-width:860px}
.node{display:grid;grid-template-columns:120px 18px 1fr;gap:16px}
.node time{color:var(--blue);font-weight:700;padding-top:2px}
.rail{position:relative}
.rail:before{content:"";position:absolute;left:7px;top:6px;bottom:-18px;width:2px;background:var(--line)}
.node:last-child .rail:before{display:none}
.dot{width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--peach-deep);position:relative;z-index:1}
.node article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);margin-bottom:16px}
.node p{color:var(--muted);margin-top:6px}
.pick-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,340px);gap:14px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}
.pick{
  scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px;color:inherit;min-height:196px;
  display:flex;flex-direction:column;
}
.pick:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);text-decoration:none;color:inherit}
.swatch{height:72px;border-radius:10px;background:#e7eef6;margin-bottom:12px}
.pick:nth-child(even) .swatch{background:#f6ebe6}
.meta-line{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:13px;margin-top:auto;padding-top:10px}
.news-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:92px 1fr auto;gap:16px;align-items:center;
  padding:16px 0;border-bottom:1px solid var(--line);color:inherit;
}
.news-item:hover{color:var(--peach-deep);text-decoration:none}
.news-item b{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--blue)}
.news-item p{color:var(--muted);font-size:14px;margin-top:4px}
.more-wrap{margin-top:18px}
.zone-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
.zone-card{
  min-height:180px;border-radius:var(--radius);padding:24px;color:inherit;
  border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;
  display:flex;flex-direction:column;justify-content:space-between;
}
.zone-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);text-decoration:none}
.zone-card.one{background:#1E466C;color:#fff}
.zone-card.one p,.zone-card.two p{color:inherit;opacity:.88;margin:8px 0 16px}
.zone-card.two{background:#fff}
.bars{display:flex;flex-direction:column;gap:12px}
.bar{
  display:grid;grid-template-columns:160px 1fr;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;
}
.bar strong{color:var(--btn)}
.bar span{color:var(--muted)}
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.qa{background:#fff;border-top:3px solid var(--blue);border-radius:0 0 var(--radius) var(--radius);padding:18px;box-shadow:var(--shadow)}
.qa p{color:var(--muted);margin-top:8px}
.faq{display:flex;flex-direction:column;gap:10px}
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 16px;box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--blue);font-weight:700}
details[open] summary:after{content:"–"}
details p{color:var(--muted);padding:0 0 14px}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:22px;
}
.form-card p{color:var(--muted);margin-top:10px}
form{display:flex;flex-direction:column;gap:12px}
label{font-size:14px;font-weight:700}
input[type="text"]{
  width:100%;height:44px;border:1px solid var(--line);border-radius:10px;padding:0 12px;background:#f8fbfe;color:var(--ink);
}
.radios{display:flex;gap:16px;font-weight:400}
.radios label{font-weight:400;display:flex;align-items:center;gap:6px}
.privacy{font-size:13px;color:var(--muted)}
.form-result{background:#f6ebe6;border-radius:10px;padding:10px 12px;color:#3d241c}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags a{
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;
  box-shadow:var(--shadow);
}
.tags a:hover{border-color:var(--peach-deep);text-decoration:none;background:#fbf7f5}
.back-bar{display:flex;gap:12px;flex-wrap:wrap}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:28px 0 36px}
.foot{display:flex;justify-content:space-between;gap:18px;align-items:center}
.foot nav{display:flex;gap:16px}
.copyright{color:var(--muted);font-size:13px;margin-top:12px}
@media(max-width:1100px){
  h1{font-size:36px}
  .metric-grid,.steps,.mini-row{grid-template-columns:1fr 1fr}
  .scene-row{grid-template-columns:1fr 1fr}
  .scene:last-child{grid-column:1 / -1}
}
@media(max-width:860px){
  :root{--pad:40px}
  .menu-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:76px;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:10px 20px 14px;margin:0;
  }
  .nav-links.open{display:flex}
  .countdown{display:none}
  .board-top,.compare,.zone-grid,.form-card,.bar,.news-item,.node{grid-template-columns:1fr;display:grid}
  .matrix{grid-template-columns:1fr}
  .board-top{align-items:flex-start}
  .news-item{grid-template-columns:1fr}
  .node{grid-template-columns:18px 1fr}
  .node time{grid-column:2}
  .foot{flex-direction:column;align-items:flex-start}
}
@media(max-width:640px){
  h1{font-size:30px}
  h2{font-size:24px}
  .container{width:min(var(--container),calc(100% - 28px))}
  .metric-grid,.steps,.mini-row,.quick,.scene-row{grid-template-columns:1fr}
  .scene:last-child{grid-column:auto}
  .nav-side .badge{display:none}
  .logo{min-width:0}
}
@media(max-width:520px){
  .radios{flex-direction:column;gap:8px}
  .btn{width:100%}
  .back-bar .btn{width:auto}
}

/* roulang page: category2 */
:root{
 --bg:#F4F7FB;
 --card:#FFFFFF;
 --ink:#1C2833;
 --muted:#5C6B7A;
 --line:#D7E0EA;
 --blue:#2F6294;
 --btn:#1E466C;
 --peach:#E3A48C;
 --peach-deep:#C47B64;
 --shadow:0 10px 30px rgba(30,70,108,.08);
 --shadow-hover:0 16px 34px rgba(30,70,108,.14);
 --radius:14px;
 --radius-btn:10px;
 --container:1120px;
 --pad:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:var(--bg);
 color:var(--ink);
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
 font-size:16px;
 line-height:1.75;
}
img{max-width:100%;display:block}
h1,h2,h3,p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:var(--ink);text-decoration:none;text-underline-offset:4px}
a:hover{color:var(--peach-deep);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
 outline:2px solid var(--blue);
 outline-offset:3px;
}
button,input{font-family:inherit}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.site-header{
 position:sticky;top:0;z-index:20;
 background:var(--bg);
 border-bottom:1px solid var(--line);
}
.nav{
 min-height:76px;
 display:flex;align-items:center;gap:18px;
 position:relative;
}
.logo{
 display:flex;flex-direction:column;justify-content:center;
 line-height:1.15;font-weight:700;color:var(--ink);text-decoration:none;
 min-width:148px;
}
.logo:hover{color:var(--btn);text-decoration:none}
.logo span{display:block}
.logo .l1{font-size:18px}
.logo .l2{font-size:15px;color:var(--blue)}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:12px}
.nav-links a{
 padding:8px 12px;border-radius:999px;font-size:15px;
}
.nav-links a:hover{background:#E7EEF6;text-decoration:none;color:var(--btn)}
.nav-links a.active{background:var(--btn);color:#fff}
.nav-links a.active:hover{color:#fff;text-decoration:none}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:10px}
.badge{
 display:inline-flex;align-items:center;gap:6px;
 background:var(--peach);color:#3d241c;
 border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700;
 white-space:nowrap;
}
.badge i{width:7px;height:7px;border-radius:50%;background:#3d241c;display:block}
.count-wrap{
 display:flex;flex-direction:column;align-items:flex-end;line-height:1.2;
 min-width:92px;
}
.count-wrap em{font-style:normal;font-size:11px;color:var(--muted)}
.count-wrap b{
 font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
 font-variant-numeric:tabular-nums;
 font-size:16px;color:var(--btn);font-weight:700;
}
.menu-toggle{
 display:none;border:1px solid var(--line);background:#fff;color:var(--ink);
 border-radius:10px;padding:8px 12px;cursor:pointer;
}
.menu-toggle:hover{border-color:var(--blue);color:var(--btn)}
.btn{
 display:inline-flex;align-items:center;justify-content:center;
 min-height:42px;padding:0 16px;border-radius:var(--radius-btn);
 border:1px solid transparent;cursor:pointer;font-weight:700;font-size:14px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{background:var(--btn);color:#fff}
.btn-primary:hover{background:#163652;color:#fff}
.btn-line{background:#fff;color:var(--btn);border-color:#b7c7d8}
.btn-line:hover{color:var(--peach-deep);border-color:var(--peach-deep)}
.btn-peach{background:var(--peach);color:#3d241c}
.btn-peach:hover{background:#d79278;color:#3d241c}
.btn:active{transform:translateY(0)}
main{display:block}
.section{padding:var(--pad) 0}
.section.alt{background:#fff}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700}
.section-head p,.lead{margin-top:12px;color:var(--muted);max-width:680px}
.page-head{
 background:#fff;
 border-bottom:1px solid var(--line);
 padding:56px 0 40px;
}
.page-head .split{
 display:flex;justify-content:space-between;align-items:flex-end;gap:28px;
}
.page-head h1{font-size:40px;line-height:1.3;font-weight:700}
.page-head .lead{margin-top:10px}
.kicker{color:var(--blue);font-size:13px;letter-spacing:.08em;margin-bottom:8px}
.wall{
 columns:2;
 column-gap:16px;
}
.entry{
 break-inside:avoid;
 margin:0 0 16px;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow);
 padding:18px 18px 16px;
 display:flex;flex-direction:column;gap:10px;
 transition:transform .2s ease,box-shadow .2s ease;
}
.entry:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.entry:nth-child(3n+1){min-height:168px}
.entry:nth-child(3n+2){min-height:228px}
.entry:nth-child(3n){min-height:196px}
.media{
 border-radius:10px;
 border:1px solid var(--line);
 background:linear-gradient(135deg,#d5e3f2,#f7f1ee 72%);
}
.entry:nth-child(odd) .media{height:72px}
.entry:nth-child(even) .media{height:108px;background:linear-gradient(135deg,#f6ebe6,#e7eef6)}
.entry h3{font-size:18px;line-height:1.35}
.entry h3 a:hover{color:var(--peach-deep)}
.entry p{color:var(--muted);font-size:14px}
.meta-line{
 display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;
 color:var(--muted);font-size:13px;margin-top:auto;padding-top:8px;
 border-top:1px solid var(--line);
}
.meta-line b{
 font-family:ui-monospace,Menlo,Consolas,monospace;
 font-variant-numeric:tabular-nums;
 color:var(--btn);font-weight:700;
}
.more-link{margin-top:8px}
.dense{
 display:grid;grid-template-columns:1.15fr .85fr;gap:14px;
}
.dense a{
 display:grid;grid-template-columns:88px 1fr;gap:14px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:16px;color:inherit;
 transition:transform .2s ease,box-shadow .2s ease;
}
.dense a:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);text-decoration:none;color:var(--peach-deep)}
.dense .no{
 font-family:ui-monospace,Menlo,Consolas,monospace;
 color:var(--blue);font-size:20px;font-weight:700;
}
.dense strong{display:block;font-size:16px;line-height:1.4;color:var(--ink)}
.dense span{color:var(--muted);font-size:13px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:18px 16px 16px;min-height:168px;
}
.step em{
 font-style:normal;
 font-family:ui-monospace,Menlo,Consolas,monospace;
 color:var(--blue);font-weight:700;font-size:13px;
}
.step h3{margin:8px 0;font-size:18px;line-height:1.35}
.step p{color:var(--muted);font-size:14px}
.faq{display:flex;flex-direction:column;gap:10px}
.faq details{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:14px 16px;
}
.faq summary{cursor:pointer;font-weight:700;line-height:1.45}
.faq details p{color:var(--muted);margin-top:8px}
.bars{display:flex;flex-direction:column;gap:10px}
.bar{
 display:flex;justify-content:space-between;align-items:center;gap:16px;
 background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);
 border-radius:10px;padding:14px 16px;box-shadow:var(--shadow);
}
.bar strong{font-size:16px}
.bar span{color:var(--muted);font-size:14px;text-align:right}
.params{
 display:grid;grid-template-columns:repeat(3,1fr);
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);overflow:hidden;
}
.params div{padding:22px 20px;border-right:1px solid var(--line)}
.params div:last-child{border-right:0}
.params span{display:block;color:var(--muted);font-size:13px}
.params b{
 display:block;margin-top:6px;font-size:22px;line-height:1.3;color:var(--btn);
 font-family:ui-monospace,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;
}
.params p{color:var(--muted);font-size:14px;margin-top:6px}
.end-cta{
 display:flex;justify-content:space-between;align-items:center;gap:20px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:28px;
}
.end-cta h2{font-size:28px;line-height:1.3}
.end-cta p{color:var(--muted);margin-top:8px}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:28px 0 36px}
.foot{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.foot nav{display:flex;gap:16px;flex-wrap:wrap}
.copyright{color:var(--muted);font-size:13px;margin-top:12px}
@media (max-width:1100px){
 .page-head h1{font-size:34px}
 .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
 :root{--pad:40px}
 .menu-toggle{display:inline-flex}
 .nav-links{
  display:none;position:absolute;left:0;right:0;top:76px;
  margin:0;padding:12px 16px 16px;background:#fff;
  border-bottom:1px solid var(--line);
  flex-direction:column;align-items:stretch;z-index:30;
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:10px 12px}
 .count-wrap em{display:none}
 .page-head .split,.end-cta,.dense{display:block}
 .dense a{margin-bottom:12px}
 .params{grid-template-columns:1fr}
 .params div{border-right:0;border-bottom:1px solid var(--line)}
 .params div:last-child{border-bottom:0}
 .end-cta .btn{margin-top:16px}
 .bar{flex-direction:column;align-items:flex-start}
 .bar span{text-align:left}
}
@media (max-width:640px){
 .nav{min-height:68px}
 .nav-side .badge{display:none}
 .logo .l1{font-size:16px}
 .logo .l2{font-size:13px}
 .page-head{padding:36px 0 28px}
 .page-head h1,.section-head h2,.end-cta h2{font-size:26px}
 .wall,.steps{columns:1;grid-template-columns:1fr}
 .entry{min-height:0}
 .btn-peach,.end-cta .btn{width:100%}
}
@media (max-width:520px){
 .container{width:min(var(--container),calc(100% - 28px))}
 .nav-side{gap:6px}
 .count-wrap{min-width:72px}
 .count-wrap b{font-size:14px}
}

/* roulang page: category1 */
:root{
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --ink:#1C2833;
  --muted:#5C6B7A;
  --line:#D7E0EA;
  --blue:#2F6294;
  --btn:#1E466C;
  --peach:#E3A48C;
  --peach-deep:#C47B64;
  --shadow:0 10px 30px rgba(30,70,108,.08);
  --shadow-hover:0 16px 34px rgba(30,70,108,.14);
  --radius:14px;
  --radius-btn:10px;
  --container:1120px;
  --pad:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;text-underline-offset:4px}
a:hover{color:var(--peach-deep);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
}
button,input{font-family:inherit}
h1,h2,h3,p{margin:0}
h1{font-size:40px;line-height:1.3;font-weight:800;letter-spacing:.01em}
h2{font-size:28px;line-height:1.3;font-weight:800}
h3{font-size:18px;line-height:1.4;font-weight:700}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:30;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.nav{
  min-height:76px;
  display:flex;align-items:center;gap:18px;
  position:relative;
}
.logo{
  display:flex;flex-direction:column;justify-content:center;
  line-height:1.15;font-weight:700;color:var(--ink);text-decoration:none;
  min-width:148px;
}
.logo:hover{color:var(--btn);text-decoration:none}
.logo span{display:block}
.logo .l1{font-size:18px}
.logo .l2{font-size:15px;color:var(--blue)}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:12px}
.nav-links a{padding:8px 12px;border-radius:999px;font-size:15px}
.nav-links a:hover{background:#E7EEF6;text-decoration:none;color:var(--btn)}
.nav-links a.active{background:var(--btn);color:#fff}
.nav-links a.active:hover{color:#fff;text-decoration:none}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:10px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--peach);color:#3d241c;
  border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700;
  white-space:nowrap;
}
.badge i{width:7px;height:7px;border-radius:50%;background:#3d241c;display:block}
.count{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  color:var(--blue);font-weight:700;font-size:14px;letter-spacing:.04em;
}
.menu-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--ink);
  border-radius:10px;padding:8px 12px;cursor:pointer;
}
.menu-toggle:hover{border-color:var(--blue);color:var(--btn)}
.menu-toggle:active{background:#eef3f8}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;font-weight:700;font-size:14px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{background:var(--btn);color:#fff}
.btn-primary:hover{background:#163652;color:#fff}
.btn-line{background:#fff;color:var(--btn);border-color:#b7c7d8}
.btn-line:hover{color:var(--peach-deep);border-color:var(--peach-deep)}
.btn-peach{background:var(--peach);color:#3d241c}
.btn-peach:hover{background:#d79278;color:#3d241c}
.btn:active{transform:translateY(0)}
main{display:block}
.section{padding:var(--pad) 0}
.section.alt{background:#fff}
.section-head{max-width:760px;margin-bottom:28px}
.section-head p,.lead{color:var(--muted)}
.lead{margin-top:14px;max-width:640px}
.kicker{color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
.zone-head{
  display:grid;grid-template-columns:1.45fr .85fr;gap:28px;align-items:stretch;
}
.head-copy{padding-top:8px}
.adult-note{margin-top:18px;color:var(--muted);font-size:14px}
.status-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:22px 22px 18px;
  display:flex;flex-direction:column;gap:8px;
}
.status-card .clock{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:40px;line-height:1.1;color:var(--blue);font-weight:700;letter-spacing:.03em;
}
.status-card .label{color:var(--muted);font-size:13px}
.status-line{
  display:flex;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding-top:10px;margin-top:6px;font-size:14px;
}
.status-line span{color:var(--muted)}
.scope-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.scope-row{
  display:grid;grid-template-columns:84px 1fr;gap:18px;align-items:start;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.num{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  color:var(--blue);font-weight:700;font-size:20px;line-height:1.3;
}
.scope-row h3{margin-bottom:4px}
.scope-row p{color:var(--muted)}
.entry-list{display:flex;flex-direction:column;gap:14px}
.entry{
  display:grid;grid-template-columns:200px 1fr;gap:18px;align-items:stretch;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.entry:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.entry-media{
  min-height:132px;border-radius:10px;border:1px solid var(--line);
}
.m1{background:linear-gradient(135deg,#d5e3f2,#f7f1ee 72%)}
.m2{background:linear-gradient(135deg,#f6ebe6,#e7eef6)}
.m3{background:linear-gradient(160deg,#e7eef6,#f3e4dc)}
.entry-body{display:flex;flex-direction:column;min-width:0}
.entry-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.entry-body p{color:var(--muted);margin-top:8px}
.entry-meta{
  display:flex;flex-wrap:wrap;gap:12px 18px;align-items:center;
  margin-top:auto;padding-top:12px;color:var(--muted);font-size:14px;
}
.entry-meta b{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;color:var(--ink);font-weight:700;
}
.entry-meta a{color:var(--btn);font-weight:700}
.entry-meta a:hover{color:var(--peach-deep)}
.more-bar{margin-top:18px}
.scene-duo{display:grid;grid-template-columns:1.35fr .8fr;gap:16px}
.scene{
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;
  min-height:220px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;
  color:inherit;transition:transform .2s ease,box-shadow .2s ease;
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);text-decoration:none;color:inherit}
.scene p{color:var(--muted);margin-top:8px}
.scene .go{color:var(--btn);font-weight:700}
.scene.narrow{background:linear-gradient(180deg,#fff,#f8f1ee)}
.diff{display:flex;flex-direction:column;gap:10px}
.diff-head,.diff-row{
  display:grid;grid-template-columns:160px 1fr 1fr;gap:0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
}
.diff-head{box-shadow:none;background:transparent;border:none;color:var(--muted);font-size:13px;font-weight:700}
.diff-head span{padding:0 16px 8px}
.diff-row{box-shadow:var(--shadow)}
.diff-row span{padding:16px}
.diff-row span:first-child{background:#eef3f8;font-weight:700}
.diff-row strong{display:block;font-weight:700}
.diff-row em{display:block;font-style:normal;color:var(--muted);font-size:14px;margin-top:4px}
.qa-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.qa{
  background:#fff;border-top:3px solid var(--blue);
  border-radius:0 0 var(--radius) var(--radius);
  box-shadow:var(--shadow);padding:18px 18px 16px;
}
.qa p{color:var(--muted);margin-top:8px}
.form-wrap{max-width:760px}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px;
}
.form-card .section-head{margin-bottom:18px}
form{display:flex;flex-direction:column;gap:12px}
.field{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:700}
input[type="text"]{
  width:100%;height:44px;border:1px solid var(--line);border-radius:10px;
  padding:0 12px;background:#f8fbfe;color:var(--ink);font-weight:400;
}
input[type="text"]:hover{border-color:#b7c7d8}
.pref{
  display:flex;justify-content:space-between;align-items:center;
  border:1px solid var(--line);border-radius:10px;background:#f8fbfe;
  min-height:44px;padding:0 12px;font-weight:400;
}
.pref b{color:var(--btn)}
.hint{color:var(--muted);font-size:13px;font-weight:400}
.form-result{
  background:#f6ebe6;border-radius:10px;padding:10px 12px;color:#3d241c;
}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:28px 0 36px}
.foot{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.foot nav{display:flex;gap:16px;flex-wrap:wrap}
.copyright{color:var(--muted);font-size:13px;margin-top:12px}
@media (max-width:1100px){
  .zone-head{grid-template-columns:1.2fr .9fr}
  .entry{grid-template-columns:168px 1fr}
}
@media (max-width:1024px){
  h1{font-size:34px}
  .scene-duo{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  :root{--pad:40px}
  .menu-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;margin:0;
    background:var(--bg);border-bottom:1px solid var(--line);
    padding:8px 16px 14px;z-index:25;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 12px}
  .zone-head,.scene-duo,.qa-list{grid-template-columns:1fr}
  .diff-head{display:none}
  .diff-row{grid-template-columns:1fr}
}
@media (max-width:768px){
  .entry{grid-template-columns:1fr}
  .entry-media{min-height:96px}
  .nav{min-height:68px}
}
@media (max-width:640px){
  .count{display:none}
  .container{width:min(var(--container),calc(100% - 28px))}
  h1{font-size:30px}
  h2{font-size:24px}
  .scope-row{grid-template-columns:56px 1fr;gap:10px}
  .status-card .clock{font-size:32px}
  .form-card{padding:20px}
}
@media (max-width:520px){
  .nav-side .badge{display:none}
  .btn{min-height:40px;padding:0 12px}
  .entry-top{flex-direction:column}
  .foot{align-items:flex-start}
  .logo{min-width:0}
}