/* roulang page: index */
:root{
  --bg:#17111d;
  --bg-deep:#100b15;
  --panel:#211727;
  --panel-2:#2a1d31;
  --panel-3:#34243b;
  --text:#fff8f0;
  --muted:#c2b2c7;
  --quiet:#8f7e95;
  --line:rgba(255,244,249,.13);
  --line-strong:rgba(255,136,112,.45);
  --coral:#f46f5f;
  --coral-light:#ff9780;
  --lime:#c5e86c;
  --cream:#fff1dc;
  --shadow:0 22px 60px rgba(5,2,8,.42);
  --shadow-sm:0 10px 30px rgba(4,1,8,.25);
  --radius:20px;
  --radius-sm:13px;
  --container:1240px;
  --ease:180ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-width:320px;
  color:var(--text);
  background:
    radial-gradient(circle at 84% 2%,rgba(150,55,92,.20),transparent 24rem),
    radial-gradient(circle at 4% 36%,rgba(89,43,104,.18),transparent 27rem),
    var(--bg);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  line-height:1.65;
}
body::selection{background:var(--coral);color:#fff}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{
  outline:3px solid rgba(197,232,108,.88);
  outline-offset:3px;
}
img{max-width:100%;display:block}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(23,17,29,.94);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.topbar{
  min-height:72px;display:flex;align-items:center;gap:24px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:.02em;white-space:nowrap;
}
.brand-mark{
  position:relative;width:31px;height:31px;border-radius:10px;
  background:linear-gradient(145deg,var(--coral),#a94673);
  box-shadow:inset 0 1px rgba(255,255,255,.3),0 8px 22px rgba(244,111,95,.28);
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;border-radius:99px;background:#fff5ea;
}
.brand-mark::before{width:14px;height:5px;left:8px;top:8px;transform:rotate(-38deg)}
.brand-mark::after{width:17px;height:5px;left:7px;bottom:8px;transform:rotate(-38deg);opacity:.72}
.brand em{font-style:normal;color:var(--coral-light)}
.search-wrap{flex:1;max-width:455px;margin-left:auto;position:relative}
.search-wrap svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--quiet);width:18px;height:18px}
.search-wrap input{
  width:100%;height:43px;padding:0 16px 0 43px;border-radius:999px;
  border:1px solid var(--line);background:#19121f;color:var(--text);
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.search-wrap input::placeholder{color:#88778d}
.search-wrap input:hover{border-color:rgba(255,244,249,.25)}
.search-wrap input:focus{border-color:var(--coral);background:#211625;box-shadow:0 0 0 4px rgba(244,111,95,.12);outline:none}
.header-action,.button{
  min-height:43px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;padding:0 18px;font-weight:700;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease);
}
.header-action,.button-primary{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(244,111,95,.2)}
.header-action:hover,.button-primary:hover{background:var(--coral-light);transform:translateY(-2px);box-shadow:0 12px 26px rgba(244,111,95,.3)}
.header-action:active,.button-primary:active{transform:translateY(0);box-shadow:none}
.button-secondary{border-color:var(--line);background:rgba(255,255,255,.035);color:var(--cream)}
.button-secondary:hover{border-color:var(--coral-light);background:rgba(244,111,95,.09);transform:translateY(-2px)}
.channel-bar{border-top:1px solid var(--line);overflow:hidden}
.channels{display:flex;gap:8px;align-items:center;min-height:51px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  color:var(--muted);white-space:nowrap;font-size:14px;font-weight:650;
  border:1px solid transparent;transition:var(--ease);
}
.channel:hover{color:var(--text);background:rgba(255,255,255,.06)}
.channel.active{color:#fff;background:var(--coral);box-shadow:0 6px 17px rgba(244,111,95,.2)}
.hero{padding:56px 0 34px;overflow:hidden}
.hero-stage{
  position:relative;min-height:520px;padding:clamp(30px,5vw,66px);
  display:grid;grid-template-columns:1.18fr .82fr;align-items:end;gap:35px;
  overflow:hidden;border:1px solid rgba(255,241,220,.12);border-radius:28px;
  background:
    linear-gradient(108deg,rgba(22,13,28,.94) 20%,rgba(32,19,39,.78) 60%,rgba(100,39,66,.55)),
    linear-gradient(145deg,#38233b,#1d1424);
  box-shadow:var(--shadow);
}
.hero-stage::before{
  content:"";position:absolute;width:440px;height:440px;right:-90px;top:-145px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,111,95,.5),rgba(244,111,95,0) 67%);
  pointer-events:none;
}
.hero-stage::after{
  content:"";position:absolute;inset:auto -90px -135px auto;width:420px;height:280px;
  border:1px solid rgba(255,241,220,.13);border-radius:50%;transform:rotate(-20deg);pointer-events:none;
}
.hero-copy{position:relative;z-index:1;max-width:700px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.07em;
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(197,232,108,.1)}
h1,h2,h3,p{margin-top:0}
h1{margin:15px 0 18px;font-size:clamp(35px,5vw,66px);line-height:1.13;letter-spacing:-.055em}
.hero-copy p{max-width:680px;margin-bottom:26px;font-size:16px;color:#d9cadb}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:23px;margin-top:34px}
.metric{padding-right:23px;border-right:1px solid var(--line)}
.metric:last-child{padding-right:0;border:0}
.metric strong{display:block;color:var(--cream);font-size:24px;line-height:1.15}
.metric span{font-size:12px;color:var(--muted)}
.hero-demo{position:relative;z-index:1;align-self:stretch;display:flex;align-items:center}
.demo-board{
  width:100%;padding:18px;border:1px solid rgba(255,241,220,.16);border-radius:19px;
  background:rgba(21,13,26,.62);box-shadow:0 18px 45px rgba(7,3,10,.25);
  transform:rotate(2deg);
}
.demo-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}
.demo-title{font-size:13px;color:var(--muted)}
.live{font-size:12px;font-weight:800;color:var(--lime);display:flex;gap:6px;align-items:center}
.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime)}
.demo-feature{padding:20px;border-radius:14px;background:linear-gradient(135deg,#64304b,#38253e);min-height:175px;display:flex;flex-direction:column;justify-content:flex-end}
.demo-feature b{font-size:24px;line-height:1.25;max-width:210px}
.demo-feature span{margin-top:9px;color:#f3dce0;font-size:13px}
.demo-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:11px}
.demo-item{padding:12px;border-radius:11px;background:rgba(255,255,255,.055);font-size:12px;color:#d6c5d7}
.demo-item b{display:block;margin-bottom:3px;color:var(--cream);font-size:14px}
.section{padding:54px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:24px}
.section-kicker{margin-bottom:7px;color:var(--coral-light);font-weight:800;font-size:12px;letter-spacing:.08em}
h2{margin:0;font-size:clamp(27px,3.3vw,42px);line-height:1.2;letter-spacing:-.04em}
.section-head p{max-width:515px;margin:0;color:var(--muted);font-size:14px}
.filter-panel{
  padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow-sm)
}
.filter-main{display:grid;grid-template-columns:1.4fr .8fr .8fr auto;gap:11px}
.field{position:relative}
.field label{display:block;margin:0 0 7px 2px;font-size:12px;font-weight:700;color:var(--muted)}
.field input,.field select{
  width:100%;height:45px;padding:0 13px;border:1px solid var(--line);border-radius:11px;background:#18111d;color:var(--text);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 16px) 19px,calc(100% - 11px) 19px;background-size:5px 5px;background-repeat:no-repeat}
.field input::placeholder{color:var(--quiet)}
.field input:focus,.field select:focus{outline:none;border-color:var(--coral)}
.filter-button{align-self:end;min-height:45px}
.filter-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:16px;padding-top:15px;border-top:1px solid var(--line)}
.filter-tags span{font-size:12px;color:var(--quiet);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;min-height:29px;padding:0 11px;border:1px solid var(--line);border-radius:999px;
  background:rgba(255,255,255,.025);color:var(--muted);font-size:12px;font-weight:700;transition:var(--ease)
}
.tag:hover,.tag.active{border-color:var(--coral);background:rgba(244,111,95,.12);color:var(--cream)}
.index-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:20px}
.category-rail,.featured-card,.content-card,.rank-panel,.support-card,.quote-card,.news-panel,.faq-item{border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow-sm)}
.category-rail{padding:23px;border-radius:var(--radius)}
.category-rail h3{font-size:19px;margin-bottom:7px}
.category-rail>p{color:var(--muted);font-size:13px;margin-bottom:20px}
.category-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);
  color:#daccdc;font-size:14px;transition:var(--ease)
}
.category-link:last-child{border-bottom:0}
.category-link:hover{color:var(--coral-light);padding-left:5px}
.category-link b{font-size:12px;color:var(--quiet)}
.content-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:15px}
.featured-card{
  min-height:356px;padding:25px;border-radius:var(--radius);position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(135deg,#522b48,#2a1b37 60%,#1a1220);
}
.featured-card::before{content:"01";position:absolute;right:22px;top:4px;font-size:102px;font-weight:900;line-height:1;color:rgba(255,255,255,.06)}
.featured-card::after{content:"";position:absolute;left:0;bottom:0;width:7px;height:100%;background:var(--coral)}
.card-label{display:inline-flex;align-self:flex-start;padding:5px 9px;border-radius:999px;background:rgba(255,241,220,.13);color:var(--cream);font-size:11px;font-weight:800}
.featured-card h3{font-size:28px;line-height:1.25;margin:13px 0 10px;position:relative}
.featured-card p{position:relative;color:#e1cfdf;font-size:13px;margin-bottom:19px}
.card-meta{display:flex;gap:10px;align-items:center;color:#baa7bc;font-size:11px;position:relative}
.dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.small-card-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.content-card{padding:17px;border-radius:15px;min-height:170px;display:flex;flex-direction:column;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.content-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 16px 32px rgba(7,2,11,.34)}
.content-card .tag{align-self:flex-start;min-height:24px;padding:0 8px;font-size:10px}
.content-card h3{font-size:16px;line-height:1.35;margin:13px 0 8px}
.content-card p{font-size:12px;color:var(--muted);margin-bottom:auto}
.card-link{display:inline-flex;align-items:center;gap:5px;margin-top:13px;color:var(--coral-light);font-size:12px;font-weight:800}
.card-link svg{width:14px;height:14px;transition:transform var(--ease)}
.content-card:hover .card-link svg{transform:translateX(3px)}
.progress-wrap{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(120deg,#25192c,#1c1522)}
.progress-top{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;margin-bottom:21px}
.progress-top h3{margin:0;font-size:21px}
.progress-top p{margin:5px 0 0;color:var(--muted);font-size:13px}
.progress-number{color:var(--lime);font-size:34px;font-weight:900;line-height:1}
.progress-track{height:12px;border-radius:99px;background:#120d17;overflow:hidden;border:1px solid rgba(255,255,255,.07)}
.progress-fill{height:100%;width:78%;border-radius:inherit;background:linear-gradient(90deg,var(--coral),var(--coral-light),var(--lime))}
.progress-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.progress-note{padding:12px 14px;border-left:2px solid rgba(255,255,255,.18);background:rgba(255,255,255,.025)}
.progress-note b{display:block;color:var(--cream);font-size:14px}
.progress-note span{font-size:12px;color:var(--quiet)}
.tiers{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:15px}
.support-card{border-radius:17px;padding:22px;min-height:230px;position:relative;overflow:hidden}
.support-card.feature{background:linear-gradient(145deg,#5d2d4a,#2b1b33);border-color:rgba(244,111,95,.45)}
.tier-label{font-size:12px;color:var(--coral-light);font-weight:800}
.support-card h3{margin:8px 0;font-size:23px}
.support-card p{font-size:13px;color:var(--muted);min-height:48px}
.tier-count{display:block;margin:14px 0;color:var(--cream);font-size:13px;font-weight:700}
.tier-count strong{font-size:24px;color:var(--lime)}
.tier-button{width:100%;min-height:40px;background:transparent;border:1px solid var(--line);border-radius:10px;color:var(--cream);font-weight:700;transition:var(--ease)}
.tier-button:hover{border-color:var(--coral);background:rgba(244,111,95,.12)}
.feature .tier-button{background:var(--coral);border-color:var(--coral)}
.support-wall{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px;align-items:stretch}
.wall-intro{padding:27px;border-radius:var(--radius);background:#271a2c;border:1px solid var(--line)}
.wall-intro h2{font-size:32px;margin:8px 0 13px}
.wall-intro p{font-size:14px;color:var(--muted)}
.mini-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:21px}
.wall-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.wall-chip{min-height:104px;padding:15px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.035);transition:var(--ease)}
.wall-chip:hover{transform:translateY(-3px);border-color:rgba(197,232,108,.55)}
.avatar{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,#8d405d,#3c2a4b);color:var(--cream);font-size:12px;font-weight:900}
.wall-chip b{display:block;margin-top:10px;font-size:13px}
.wall-chip span{display:block;margin-top:2px;color:var(--quiet);font-size:11px}
.news-layout{display:grid;grid-template-columns:1.28fr .72fr;gap:20px}
.news-panel{border-radius:var(--radius);overflow:hidden}
.news-list{padding:0 23px}
.news-item{display:grid;grid-template-columns:86px 1fr auto;gap:17px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.news-item:last-child{border-bottom:0}
.news-item:hover{padding-left:7px}
.news-date{color:var(--quiet);font-size:12px;line-height:1.35}
.news-item h3{font-size:15px;margin:0 0 3px}
.news-item p{font-size:12px;color:var(--muted);margin:0}
.news-arrow{color:var(--coral-light)}
.news-side{padding:23px;border-radius:var(--radius);background:linear-gradient(155deg,#342039,#201724);border:1px solid var(--line)}
.news-side h3{font-size:20px;margin-bottom:8px}
.news-side p{font-size:13px;color:var(--muted)}
.rank-list{margin-top:18px}
.rank-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.rank-row:last-child{border:0}
.rank-no{width:25px;color:var(--coral-light);font-size:18px;font-weight:900;font-style:italic}
.rank-copy{flex:1;min-width:0}
.rank-copy b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.rank-copy span{font-size:11px;color:var(--quiet)}
.trend{font-size:11px;color:var(--lime);font-weight:800}
.evidence{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
.evidence-item{padding:22px;border-right:1px solid var(--line)}
.evidence-item:last-child{border:0}
.evidence-item b{display:block;color:var(--cream);font-size:17px}
.evidence-item span{display:block;margin-top:6px;color:var(--muted);font-size:12px}
.evidence-icon{color:var(--lime);font-size:20px;margin-bottom:10px}
.feedback-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:20px}
.quote-card{padding:26px;border-radius:var(--radius);position:relative}
.quote-card.big{background:linear-gradient(130deg,#38233b,#261b2d)}
.quote-mark{font-size:54px;line-height:.7;color:var(--coral-light);font-family:Georgia,serif}
.quote-card p{margin:12px 0 20px;font-size:18px;line-height:1.7;color:#f0e4ed}
.quote-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px}
.quote-meta .avatar{flex:none}
.quote-stack{display:grid;gap:14px}
.quote-stack .quote-card{padding:18px}
.quote-stack .quote-card p{font-size:14px;margin:8px 0 14px}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:28px;align-items:start}
.faq-intro{position:sticky;top:144px}
.faq-intro p{margin:14px 0 20px;color:var(--muted);font-size:14px}
.faq-list{display:grid;gap:10px}
.faq-item{border-radius:14px;overflow:hidden}
.faq-question{
  width:100%;padding:18px 19px;border:0;background:transparent;color:var(--cream);display:flex;justify-content:space-between;gap:18px;text-align:left;font-weight:800;
}
.faq-question span:last-child{color:var(--coral-light);font-size:22px;line-height:1;transition:transform 220ms ease}
.faq-answer{display:none;padding:0 19px 18px;color:var(--muted);font-size:13px}
.faq-item.open{border-color:rgba(244,111,95,.42)}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta{padding:28px 0 72px}
.cta-box{
  padding:clamp(27px,5vw,55px);border-radius:26px;position:relative;overflow:hidden;
  background:linear-gradient(110deg,#6a304d,#3a2037 53%,#241929);border:1px solid rgba(255,241,220,.17);
}
.cta-box::after{content:"";position:absolute;width:350px;height:350px;border:1px solid rgba(255,241,220,.15);border-radius:50%;right:-120px;top:-135px}
.cta-box>*{position:relative;z-index:1}
.cta-box h2{max-width:700px;font-size:clamp(30px,4vw,48px)}
.cta-box p{max-width:610px;margin:15px 0 25px;color:#ead8e5;font-size:15px}
.footer{padding:40px 0 26px;border-top:1px solid var(--line);background:#110c16}
.footer-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:30px;padding-bottom:31px}
.footer .brand{margin-bottom:12px}
.footer-desc{max-width:390px;color:var(--quiet);font-size:13px}
.footer h3{margin:0 0 11px;color:var(--cream);font-size:14px}
.footer-links{display:grid;gap:8px}
.footer-links a{font-size:13px;color:var(--muted);transition:color var(--ease)}
.footer-links a:hover{color:var(--coral-light)}
.footer-bottom{padding-top:21px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--quiet);font-size:12px}
.notice{color:#a99aa9}
.toast{
  position:fixed;left:50%;bottom:24px;z-index:50;transform:translate(-50%,120px);
  padding:11px 16px;border:1px solid rgba(197,232,108,.4);border-radius:999px;background:#251b2a;color:var(--cream);
  font-size:13px;box-shadow:var(--shadow);transition:transform 260ms ease;
}
.toast.show{transform:translate(-50%,0)}
@media(max-width:1024px){
  .hero-stage{grid-template-columns:1fr .78fr}
  .filter-main{grid-template-columns:1.2fr 1fr 1fr auto}
  .index-layout,.support-wall,.feedback-grid,.faq-wrap{grid-template-columns:1fr}
  .faq-intro{position:static}
  .content-grid{grid-template-columns:1fr}
  .featured-card{min-height:290px}
  .wall-intro{min-height:auto}
}
@media(max-width:768px){
  .container{width:min(calc(100% - 30px),var(--container))}
  .topbar{min-height:65px;gap:12px}
  .brand{font-size:15px}
  .brand-mark{width:27px;height:27px}
  .search-wrap{display:none}
  .header-action{margin-left:auto;padding:0 13px;font-size:13px}
  .hero{padding-top:25px}
  .hero-stage{display:flex;flex-direction:column;align-items:stretch;min-height:0;padding:29px 22px;gap:27px}
  h1{font-size:39px}
  .hero-copy p{font-size:14px}
  .hero-demo{min-height:270px}
  .demo-board{transform:none}
  .section{padding:38px 0}
  .section-head{display:block;margin-bottom:18px}
  .section-head p{margin-top:11px}
  .filter-main{grid-template-columns:1fr 1fr}
  .filter-main .field:first-child{grid-column:1/-1}
  .filter-button{grid-column:1/-1;width:100%}
  .tiers{grid-template-columns:1fr}
  .support-card{min-height:0}
  .news-layout{grid-template-columns:1fr}
  .evidence{grid-template-columns:1fr 1fr}
  .evidence-item:nth-child(2){border-right:0}
  .evidence-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
  .header-action{min-height:39px;font-size:12px}
  .channel{padding:0 12px;font-size:13px}
  .hero-stage{border-radius:20px}
  h1{font-size:34px}
  .hero-actions .button{width:100%}
  .hero-metrics{gap:12px}
  .metric{padding-right:12px}
  .metric strong{font-size:20px}
  .filter-main{grid-template-columns:1fr}
  .filter-main .field:first-child{grid-column:auto}
  .filter-button{grid-column:auto}
  .small-card-grid{grid-template-columns:1fr}
  .content-card{min-height:145px}
  .progress-top{display:block}
  .progress-number{margin-top:14px}
  .progress-notes{grid-template-columns:1fr}
  .wall-grid{grid-template-columns:1fr 1fr}
  .news-item{grid-template-columns:60px 1fr;gap:10px}
  .news-arrow{display:none}
  .evidence{grid-template-columns:1fr}
  .evidence-item{border-right:0;border-bottom:1px solid var(--line)}
  .evidence-item:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid>div:first-child{grid-column:auto}
  .footer-bottom{display:block}
  .footer-bottom span{display:block;margin-bottom:6px}
}

/* roulang page: category1 */
:root{
 --bg:#17111d;--bg-deep:#100b15;--panel:#211727;--panel-2:#2a1d31;--panel-3:#34243b;
 --text:#fff8f0;--muted:#c2b2c7;--quiet:#8f7e95;--line:rgba(255,244,249,.13);
 --line-strong:rgba(255,136,112,.45);--coral:#f46f5f;--coral-light:#ff9780;
 --lime:#c5e86c;--cream:#fff1dc;--shadow:0 22px 60px rgba(5,2,8,.42);
 --shadow-sm:0 10px 30px rgba(4,1,8,.25);--radius:20px;--radius-sm:13px;
 --container:1240px;--ease:180ms ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;color:var(--text);background:radial-gradient(circle at 84% 2%,rgba(150,55,92,.2),transparent 24rem),radial-gradient(circle at 4% 36%,rgba(89,43,104,.18),transparent 27rem),var(--bg);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.65}
::selection{background:var(--coral);color:#fff}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(197,232,108,.88);outline-offset:3px}
img{max-width:100%;display:block}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(23,17,29,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.topbar{min-height:72px;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand-mark{position:relative;width:31px;height:31px;border-radius:10px;background:linear-gradient(145deg,var(--coral),#a94673);box-shadow:inset 0 1px rgba(255,255,255,.3),0 8px 22px rgba(244,111,95,.28)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border-radius:99px;background:#fff5ea}
.brand-mark:before{width:14px;height:5px;left:8px;top:8px;transform:rotate(-38deg)}
.brand-mark:after{width:17px;height:5px;left:7px;bottom:8px;transform:rotate(-38deg);opacity:.72}
.brand em{font-style:normal;color:var(--coral-light)}
.search-wrap{flex:1;max-width:455px;margin-left:auto;position:relative}
.search-wrap svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--quiet);width:18px;height:18px}
.search-wrap input{width:100%;height:43px;padding:0 16px 0 43px;border-radius:999px;border:1px solid var(--line);background:#19121f;color:var(--text);transition:.18s}
.search-wrap input:focus{border-color:var(--coral);background:#211625;box-shadow:0 0 0 4px rgba(244,111,95,.12);outline:none}
.header-action,.button{min-height:43px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:0 18px;font-weight:700;transition:.18s}
.header-action,.button-primary{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(244,111,95,.2)}
.header-action:hover,.button-primary:hover{background:var(--coral-light);transform:translateY(-2px)}
.button-secondary{border-color:var(--line);background:rgba(255,255,255,.035);color:var(--cream)}
.button-secondary:hover{border-color:var(--coral-light);background:rgba(244,111,95,.09);transform:translateY(-2px)}
.channel-bar{border-top:1px solid rgba(255,244,249,.06)}
.channels{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{padding:12px 16px;color:var(--muted);font-size:14px;white-space:nowrap;border-bottom:2px solid transparent;transition:.18s}
.channel:hover{color:var(--cream)}
.channel.active{color:#fff;background:rgba(244,111,95,.13);border-bottom-color:var(--coral)}
.page-intro{padding:60px 0 34px}
.breadcrumb{display:flex;gap:9px;color:var(--quiet);font-size:13px;margin-bottom:18px}
.breadcrumb a:hover{color:var(--coral-light)}
.intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:end}
.kicker,.section-kicker{color:var(--coral-light);font-size:12px;font-weight:800;letter-spacing:.1em}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,5vw,62px);line-height:1.1;letter-spacing:-.04em;margin:10px 0 18px}
h2{font-size:clamp(25px,3vw,38px);line-height:1.2;margin-bottom:10px}
h3{font-size:18px;line-height:1.3}
.intro-copy p{max-width:700px;color:var(--muted);font-size:16px;margin-bottom:0}
.summary-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,var(--panel-2),#1b1221);box-shadow:var(--shadow-sm)}
.summary-card strong{display:block;font-size:42px;line-height:1;color:var(--cream);margin:5px 0}
.summary-card span{color:var(--muted);font-size:13px}
.filter-section{padding:22px 0 42px}
.filter-panel{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(33,23,39,.82);box-shadow:var(--shadow-sm)}
.filter-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr auto;gap:11px}
.field label{display:block;color:var(--quiet);font-size:12px;margin:0 0 6px}
.field input,.field select{width:100%;height:45px;padding:0 13px;border:1px solid var(--line);border-radius:11px;background:#18111d;color:var(--text)}
.field select{appearance:none}
.filter-actions{display:flex;align-items:end;gap:8px}
.filter-note{color:var(--quiet);font-size:12px;margin:14px 0 0}
.content-section{padding:24px 0 76px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:24px}
.section-head p{max-width:540px;margin:0;color:var(--muted);font-size:14px}
.result-line{color:var(--quiet);font-size:13px}
.content-layout{display:grid;grid-template-columns:235px 1fr;gap:25px}
.side-index{padding:20px;height:max-content;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.side-index h3{margin-bottom:16px}
.index-list{display:grid;gap:8px}
.index-list a{display:flex;justify-content:space-between;padding:10px 12px;border-radius:10px;color:var(--muted);font-size:14px}
.index-list a:hover,.index-list a.active{background:rgba(244,111,95,.13);color:var(--cream)}
.index-list b{color:var(--coral-light);font-size:12px}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.item-card{position:relative;min-height:245px;padding:20px;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius-sm);background:linear-gradient(145deg,#291b30,#1d1423);overflow:hidden;transition:.2s}
.item-card:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--coral);opacity:.75}
.item-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-sm)}
.card-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:20px}
.badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:rgba(197,232,108,.12);color:var(--lime);font-size:11px;font-weight:700}
.status{color:var(--quiet);font-size:12px}
.item-card h3{margin-bottom:9px}
.item-card p{color:var(--muted);font-size:13px;margin-bottom:18px}
.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:auto;color:var(--quiet);font-size:12px}
.card-link{color:var(--coral-light);font-weight:700}
.card-link:hover{color:var(--cream)}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:27px}
.page-btn{min-width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:var(--panel);color:var(--muted)}
.page-btn:hover,.page-btn.active{background:var(--coral);border-color:var(--coral);color:#fff}
.info-strip{margin:0 0 72px;padding:25px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid rgba(197,232,108,.2);border-radius:var(--radius);background:linear-gradient(105deg,rgba(197,232,108,.08),rgba(244,111,95,.1))}
.info-strip p{margin:5px 0 0;color:var(--muted);font-size:14px}
.faq-section{padding:66px 0;background:rgba(16,11,21,.35);border-top:1px solid rgba(255,244,249,.05);border-bottom:1px solid rgba(255,244,249,.05)}
.faq-list{max-width:850px;margin:26px auto 0}
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{cursor:pointer;list-style:none;font-weight:700;padding-right:28px;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";position:absolute;right:0;color:var(--coral-light);font-size:20px}
details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:14px;margin:12px 30px 0 0}
.cta{padding:70px 0}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:35px 42px;border-radius:26px;background:linear-gradient(115deg,#392039,#682e4a);box-shadow:var(--shadow)}
.cta-box p{color:#e2cedc;margin:8px 0 0}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
.footer{padding:48px 0 22px;background:var(--bg-deep);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}
.footer-desc{color:var(--quiet);font-size:13px;margin:16px 0 0}
.footer h3{font-size:14px;color:var(--cream);margin-bottom:12px}
.footer-links{display:grid;gap:8px;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--coral-light)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:18px;border-top:1px solid var(--line);color:var(--quiet);font-size:12px}
.notice{color:#a997ac}
.empty{display:none;grid-column:1/-1;text-align:center;padding:45px 20px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted)}
@media(max-width:1024px){.filter-main{grid-template-columns:1fr 1fr 1fr}.filter-actions{align-items:center}.content-layout{grid-template-columns:190px 1fr}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.topbar{gap:12px;flex-wrap:wrap;padding:12px 0}.search-wrap{order:3;flex-basis:100%;max-width:none}.header-action{padding:0 13px;font-size:13px}.intro-grid,.content-layout{grid-template-columns:1fr}.page-intro{padding-top:38px}.side-index{display:none}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.cta-box{display:block;padding:28px}.cta-actions{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.notice{display:block;margin-top:8px}}
@media(max-width:520px){h1{font-size:36px}.filter-main{grid-template-columns:1fr}.filter-actions{align-items:stretch}.filter-actions .button{flex:1}.cards{grid-template-columns:1fr}.summary-card{margin-top:8px}.section-head{display:block}.result-line{display:block;margin-top:10px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}