/* roulang page: index */
:root{
  --bg:#FBF6F2;
  --bg-soft:#F6ECE6;
  --surface:#FFFFFF;
  --ink:#2B1B24;
  --ink-2:#5E4A55;
  --muted:#8B737D;
  --primary:#8E2F52;
  --primary-deep:#6E2340;
  --accent:#F07A5A;
  --accent-soft:#FBE3D9;
  --border:#E9D9D2;
  --success:#2F8F6B;
  --warning:#C98A2E;
  --dark-band:#331C29;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow:0 10px 30px rgba(74,32,54,.08);
  --shadow-hover:0 18px 40px rgba(74,32,54,.12);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.36;letter-spacing:.01em;margin:0;color:var(--ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
section[id]{scroll-margin-top:132px;}
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);}
.section--white{background:var(--surface);}
.section--dark{background:var(--dark-band);color:#F6E9E3;}
.section--dark h2,.section--dark h3{color:#FFF6F0;}
.section--dark p{color:#E4CFC8;}
.section-head{margin-bottom:38px;max-width:820px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  background:var(--accent-soft);
  border:1px solid var(--border);
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:16px;font-weight:600;
}
.section--dark .eyebrow{background:rgba(240,122,90,.16);border-color:rgba(240,122,90,.35);color:#F7BBA8;}
.section-head h2{font-size:clamp(24px,2.4vw,34px);}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;}
.section--dark .section-head p{color:#DCC3BC;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn--primary{background:var(--primary);color:#FFF6F0;box-shadow:0 8px 22px rgba(142,47,82,.24);}
.btn--primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn--accent{background:var(--accent);color:#3A1B14;box-shadow:0 8px 22px rgba(240,122,90,.3);}
.btn--accent:hover{background:#E96A4B;color:#2B1B24;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn--ghost{background:transparent;color:#FFF6F0;border-color:rgba(255,246,240,.6);}
.btn--ghost:hover{background:rgba(255,246,240,.16);color:#fff;transform:translateY(-2px);}
.btn--outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn--outline:hover{background:var(--accent-soft);color:var(--primary-deep);transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--lg{padding:15px 32px;font-size:16px;}
.btn--block{width:100%;}
.btn:active{transform:translateY(0);box-shadow:0 4px 12px rgba(74,32,54,.14);}
.btn[disabled]{opacity:.45;pointer-events:none;}

/* ---------- Badges / chips ---------- */
.badge{
  display:inline-block;padding:3px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--accent-soft);color:var(--primary-deep);border:1px solid var(--border);
}
.badge--dark{background:rgba(240,122,90,.2);color:#F7BBA8;border-color:rgba(240,122,90,.4);}
.badge--green{background:rgba(47,143,107,.12);color:var(--success);border-color:rgba(47,143,107,.28);}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--border);
  transition:all .18s ease;
}
.chip:hover{background:var(--accent-soft);color:var(--primary-deep);border-color:var(--accent);transform:translateY(-2px);}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(251,246,242,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.nav-top__inner{display:flex;align-items:center;gap:24px;padding:14px 20px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand__mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:var(--primary);color:#FFF6F0;flex:0 0 auto;
  box-shadow:0 8px 18px rgba(142,47,82,.26);
}
.brand__mark svg{width:24px;height:24px;display:block;}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__text strong{font-family:var(--font-serif);font-size:19px;letter-spacing:.02em;}
.brand__text small{font-size:12px;color:var(--muted);letter-spacing:.08em;}
.nav-search{
  flex:1 1 auto;max-width:340px;position:relative;display:flex;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:0 6px 0 38px;height:44px;transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(240,122,90,.16);}
.nav-search__icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--muted);}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;height:100%;font-size:14.5px;outline:none;color:var(--ink);
  min-width:0;
}
.nav-search input::placeholder{color:var(--muted);font-size:14px;}
.nav-search button{
  flex:0 0 auto;border:0;background:var(--primary);color:#FFF6F0;border-radius:8px;
  padding:7px 14px;font-size:13.5px;font-weight:600;transition:background .18s ease;
}
.nav-search button:hover{background:var(--primary-deep);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{
  display:none;border:1px solid var(--border);background:var(--surface);color:var(--primary-deep);
  border-radius:10px;padding:9px 14px;font-size:14px;font-weight:600;
}
.nav-channels{border-top:1px solid var(--border);background:rgba(246,236,230,.72);}
.nav-channels__inner{padding:9px 20px;}
.tabs{
  display:flex;align-items:center;gap:10px;overflow-x:auto;padding-bottom:2px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tabs::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;padding:8px 18px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  background:transparent;border:1px solid var(--border);
  transition:all .18s ease;white-space:nowrap;
}
.tab:hover{background:var(--accent-soft);color:var(--primary-deep);border-color:var(--accent);}
.tab.is-active{background:var(--primary);color:#FFF6F0;border-color:var(--primary);box-shadow:inset 0 0 0 2px rgba(255,246,240,.22);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--dark-band);color:#FFF6F0;}
.hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;filter:saturate(.9);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(43,20,33,.94) 8%,rgba(43,20,33,.72) 52%,rgba(110,35,64,.42) 100%);
}
.hero__dots{
  position:absolute;inset:0;opacity:.14;pointer-events:none;
  background-image:radial-gradient(rgba(255,246,240,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero__inner{position:relative;z-index:2;padding:86px 20px 78px;}
.hero__content{max-width:840px;}
.corner-badge{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(240,122,90,.18);border:1px solid rgba(240,122,90,.5);
  color:#FFC7B4;padding:7px 18px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;letter-spacing:.06em;
}
.corner-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(240,122,90,.24);}
.hero h1{
  color:#FFF6F0;font-size:clamp(30px,4vw,52px);margin:20px 0 0;max-width:19em;
  text-shadow:0 2px 24px rgba(0,0,0,.28);
}
.hero h1 em{font-style:normal;color:#FFC0A9;}
.hero__lead{color:#EBD8D1;font-size:17px;line-height:1.95;margin-top:22px;max-width:760px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 24px;}
.hero__chips .chip{background:rgba(255,246,240,.1);border-color:rgba(255,246,240,.28);color:#F3DDD5;font-size:13.5px;padding:6px 14px;}
.hero__chips .chip:hover{background:rgba(240,122,90,.26);border-color:var(--accent);color:#FFD9CB;}
.hero__stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;
  margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,246,240,.2);
  max-width:720px;
}
.hero__stat strong{
  display:block;font-family:var(--font-num);font-size:28px;color:#FFC0A9;letter-spacing:.02em;line-height:1.2;
}
.hero__stat span{font-size:13.5px;color:#D8BFB7;}

/* ---------- Pain points ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.pain-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:28px 24px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3C4B4;}
.pain-card__num{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:.16em;display:block;margin-bottom:14px;
}
.pain-card h3{font-size:19px;margin-bottom:10px;}
.pain-card p{font-size:14.8px;color:var(--ink-2);line-height:1.85;margin:0;}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;grid-auto-rows:minmax(150px,auto);}
.bento__card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:28px 26px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.bento__card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3C4B4;}
.bento__card h3{font-size:20px;margin-bottom:10px;}
.bento__card p{font-size:14.8px;color:var(--ink-2);line-height:1.85;margin:0;}
.bento__icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--primary-deep);margin-bottom:18px;
}
.bento__icon svg{width:23px;height:23px;}
.bento__card--hero{
  grid-column:span 6;grid-row:span 2;
  background:linear-gradient(155deg,var(--primary) 0%,var(--primary-deep) 78%);
  border-color:transparent;color:#FFF6F0;position:relative;overflow:hidden;
}
.bento__card--hero::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;
  background:rgba(240,122,90,.22);
}
.bento__card--hero h3{color:#FFF6F0;font-size:26px;position:relative;z-index:2;}
.bento__card--hero p{color:#F0D7CE;font-size:15.4px;position:relative;z-index:2;}
.bento__card--hero .bento__icon{background:rgba(255,246,240,.16);color:#FFC7B4;position:relative;z-index:2;}
.bento__card--hero .bento__list{position:relative;z-index:2;margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}
.bento__card--hero .bento__list span{
  font-size:13px;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(255,246,240,.14);border:1px solid rgba(255,246,240,.26);color:#FBE3D9;
}
.bento__card--sm{grid-column:span 3;}
.bento__card--md{grid-column:span 6;}

/* ---------- KPI dashboard ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.kpi-card{
  background:rgba(255,246,240,.06);border:1px solid rgba(255,246,240,.16);
  border-radius:var(--r-md);padding:24px 22px;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.kpi-card:hover{transform:translateY(-4px);border-color:rgba(240,122,90,.55);background:rgba(240,122,90,.1);}
.kpi-card__label{font-size:13.5px;color:#C9ADA5;letter-spacing:.06em;}
.kpi-card__value{
  font-family:var(--font-num);font-size:clamp(30px,3.4vw,44px);line-height:1.2;
  color:#FFC0A9;margin:8px 0 6px;letter-spacing:.01em;
}
.kpi-card__value small{font-size:14px;color:#D9BFB7;margin-left:4px;font-family:var(--font-sans);}
.kpi-card__note{font-size:13px;color:#BFA49D;margin:0;}
.chart{margin-top:34px;padding:26px 24px;border:1px solid rgba(255,246,240,.16);border-radius:var(--r-md);background:rgba(255,246,240,.04);}
.chart__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px;}
.chart__head h3{font-size:18px;color:#FFF6F0;}
.chart__head span{font-size:13px;color:#BFA49D;}
.chart__bars{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:14px;align-items:end;height:180px;}
.chart__bar{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:10px;}
.chart__bar i{
  display:block;width:100%;max-width:52px;border-radius:8px 8px 4px 4px;
  background:linear-gradient(180deg,var(--accent),rgba(240,122,90,.28));
  transition:filter .2s ease,transform .2s ease;
}
.chart__bar:hover i{filter:brightness(1.12);transform:scaleY(1.03);transform-origin:bottom;}
.chart__bar b{font-family:var(--font-num);font-size:12px;color:#D9BFB7;font-weight:500;}

/* ---------- Scenes ---------- */
.scene-wrap{display:grid;grid-template-columns:0.85fr 1.6fr;gap:36px;align-items:start;}
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.scene-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3C4B4;}
.scene-card h3{font-size:18.5px;margin-bottom:9px;}
.scene-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin:0 0 12px;}
.scene-card a{font-size:14px;font-weight:600;border-bottom:1px solid transparent;transition:all .18s ease;}
.scene-card a:hover{border-bottom-color:var(--accent);color:var(--accent);}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.compare__col{
  border-radius:var(--r-lg);padding:32px 30px;border:1px solid var(--border);background:var(--surface);
}
.compare__col--old{background:var(--bg-soft);border-color:var(--border);}
.compare__col--new{background:linear-gradient(160deg,var(--primary) 0%,var(--primary-deep) 100%);border-color:transparent;color:#FFF6F0;box-shadow:0 20px 46px rgba(110,35,64,.24);}
.compare__col h3{font-size:21px;margin-bottom:20px;}
.compare__col--new h3{color:#FFF6F0;}
.compare__col li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-bottom:1px dashed rgba(139,115,125,.28);
  font-size:15px;line-height:1.8;
}
.compare__col li:last-child{border-bottom:0;}
.compare__col--new li{border-bottom-color:rgba(255,246,240,.2);color:#F3DDD5;}
.mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:700;margin-top:3px;
}
.mark--no{background:rgba(139,115,125,.16);color:#9A8189;}
.mark--yes{background:rgba(240,122,90,.28);color:#FFC7B4;}

/* ---------- Timeline ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding-top:8px;}
.timeline::before{
  content:"";position:absolute;left:8px;right:8px;top:23px;height:2px;
  background:linear-gradient(90deg,var(--border) 0%,var(--accent) 100%);
}
.tl-item{position:relative;padding-top:52px;}
.tl-item::before{
  content:"";position:absolute;top:15px;left:0;width:18px;height:18px;border-radius:50%;
  background:var(--surface);border:3px solid var(--primary);box-shadow:0 0 0 5px rgba(240,122,90,.16);
}
.tl-item__ver{font-family:var(--font-num);font-size:13px;color:var(--accent);letter-spacing:.1em;font-weight:700;}
.tl-item h3{font-size:18px;margin:8px 0 8px;}
.tl-item p{font-size:14.3px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ---------- Rank list ---------- */
.rank-list{display:grid;gap:14px;}
.rank-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:18px 22px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rank-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover);border-color:#F3C4B4;}
.rank-item__no{
  font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--primary);
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--accent-soft);
}
.rank-item h3{font-size:17px;margin-bottom:4px;}
.rank-item p{font-size:14px;color:var(--muted);margin:0;}
.rank-item__heat{width:120px;height:6px;border-radius:99px;background:var(--bg-soft);overflow:hidden;}
.rank-item__heat i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent));}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3C4B4;}
.news-card--feature{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column;}
.news-card__link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-card__link:hover{color:inherit;}
.news-card__thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft);border-radius:0;}
.news-card--feature .news-card__thumb{aspect-ratio:16/8;}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.news-card:hover .news-card__thumb img{transform:scale(1.02);}
.news-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-card__body h3{font-size:18px;line-height:1.5;}
.news-card--feature .news-card__body h3{font-size:22px;}
.news-card__body p{font-size:14.3px;color:var(--ink-2);line-height:1.85;margin:0;flex:1 1 auto;}
.news-card__meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);}
.news-card__meta time{font-family:var(--font-num);font-size:12.5px;}
.empty-state{
  border:1px dashed var(--border);border-radius:var(--r-md);padding:44px 24px;
  text-align:center;color:var(--muted);background:var(--surface);font-size:15px;
}
.list-more{margin-top:32px;text-align:center;}

/* ---------- Download ---------- */
.dl-wrap{display:grid;grid-template-columns:0.9fr 1.4fr;gap:36px;align-items:start;}
.dl-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--shadow);text-align:center;
}
.qr-slot{
  width:170px;aspect-ratio:1/1;margin:0 auto 20px;border-radius:var(--r-md);
  background:
    repeating-linear-gradient(45deg,rgba(142,47,82,.07) 0 4px,transparent 4px 9px),
    var(--bg-soft);
  border:1px dashed #E0BFB2;display:grid;place-items:center;color:var(--primary-deep);
}
.qr-slot svg{width:46px;height:46px;}
.dl-card h3{font-size:19px;margin-bottom:6px;}
.dl-card p{font-size:13.8px;color:var(--muted);margin-bottom:20px;}
.dl-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;text-align:left;margin-bottom:22px;}
.dl-meta div{background:var(--bg-soft);border-radius:var(--r-sm);padding:12px 14px;}
.dl-meta span{display:block;font-size:12.5px;color:var(--muted);}
.dl-meta strong{font-size:14.5px;color:var(--ink);font-family:var(--font-num);}
.steps{display:grid;gap:18px;}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F3C4B4;}
.step__no{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--primary);color:#FFF6F0;font-family:var(--font-num);font-size:15px;font-weight:700;
}
.step h3{font-size:17.5px;margin-bottom:6px;}
.step p{font-size:14.4px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ---------- Safety ---------- */
.safety-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.safety-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.safety-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3C4B4;}
.safety-card__icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(47,143,107,.12);color:var(--success);margin-bottom:16px;
}
.safety-card__icon svg{width:22px;height:22px;}
.safety-card h3{font-size:18px;margin-bottom:8px;}
.safety-card p{font-size:14.3px;color:var(--ink-2);line-height:1.8;margin:0;}
.trust-bar{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--accent);
  border-radius:var(--r-md);padding:18px 24px;box-shadow:var(--shadow);
}
.trust-bar p{margin:0;font-size:14.6px;color:var(--ink-2);}
.trust-bar .chips{gap:8px;}

/* ---------- Quick answer ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.quick-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3C4B4;}
.quick-card h3{font-size:17px;margin-bottom:10px;line-height:1.55;}
.quick-card p{font-size:14.4px;color:var(--ink-2);line-height:1.8;margin:0 0 14px;}
.quick-card a{font-size:14px;font-weight:600;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:960px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:0 4px 14px rgba(74,32,54,.05);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:#EFB9A6;box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 24px 20px 26px;font-family:var(--font-serif);font-size:17.5px;font-weight:700;
  color:var(--ink);position:relative;transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--accent);opacity:0;transition:opacity .18s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary .plus{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--accent-soft);color:var(--primary-deep);
  display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;
  transition:transform .18s ease,background .18s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--accent);color:#3A1B14;}
.faq-item__body{padding:0 24px 22px 26px;color:var(--ink-2);font-size:15.2px;line-height:1.9;}
.faq-item__body p{margin:0;}

/* ---------- Tags cloud ---------- */
.cloud{display:flex;flex-wrap:wrap;gap:12px;}
.cloud a{
  padding:9px 20px;border-radius:var(--r-pill);background:var(--surface);
  border:1px solid var(--border);font-size:14.5px;color:var(--ink-2);
  transition:all .18s ease;
}
.cloud a:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--primary-deep);transform:translateY(-2px);}

/* ---------- CTA / Form ---------- */
.cta-band{
  background:
    radial-gradient(circle at 12% 18%,rgba(240,122,90,.22),transparent 52%),
    linear-gradient(150deg,var(--primary-deep) 0%,var(--dark-band) 100%);
  color:#FFF6F0;border-radius:var(--r-lg);padding:52px 44px;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  box-shadow:0 26px 60px rgba(51,28,41,.28);
}
.cta-band h2{color:#FFF6F0;font-size:clamp(24px,2.5vw,32px);}
.cta-band p{color:#E7D1C9;font-size:15.6px;margin-top:14px;}
.cta-band .chips{margin-top:22px;}
.cta-band .chip{background:rgba(255,246,240,.12);border-color:rgba(255,246,240,.3);color:#F7DED5;font-size:13.5px;}
.cta-band .chip:hover{background:rgba(240,122,90,.28);border-color:var(--accent);color:#FFD9CB;}
.lead-form{
  background:var(--surface);border-radius:var(--r-md);padding:28px 26px;
  box-shadow:0 18px 44px rgba(0,0,0,.2);color:var(--ink);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.8px;font-weight:600;color:var(--ink-2);margin-bottom:7px;}
.field label .req{color:#C0392B;}
.field input,.field select{
  width:100%;height:48px;border-radius:10px;border:1px solid var(--border);
  background:var(--bg);padding:0 14px;font-size:15px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field input:focus,.field select:focus{border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 4px rgba(240,122,90,.16);}
.field input::placeholder{color:#B29AA3;font-size:14.4px;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.4px;color:var(--ink-2);line-height:1.7;margin:6px 0 18px;}
.check input{width:17px;height:17px;margin-top:3px;flex:0 0 auto;accent-color:var(--primary);}
.form-msg{margin:14px 0 0;font-size:14px;min-height:20px;}
.form-msg.ok{color:var(--success);}
.form-msg.err{color:#C0392B;}
.form-note{margin:12px 0 0;font-size:12.8px;color:var(--muted);line-height:1.7;}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark-band);color:#E7D1C9;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand .brand__text strong{color:#FFF6F0;}
.footer-brand .brand__text small{color:#B79C95;}
.footer-brand p{font-size:14px;color:#C6ACA5;line-height:1.85;margin-top:16px;max-width:26em;}
.footer-col h4{font-family:var(--font-serif);font-size:16px;color:#FFF6F0;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#CBB2AB;font-size:14.4px;transition:color .18s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-dl{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.footer-qr{
  width:96px;aspect-ratio:1/1;border-radius:12px;
  border:1px dashed rgba(240,122,90,.5);background:rgba(255,246,240,.06);
  display:grid;place-items:center;color:#F7BBA8;
}
.footer-qr svg{width:28px;height:28px;}
.footer-bottom{
  border-top:1px solid rgba(255,246,240,.14);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13.2px;color:#A98F89;
}
.footer-bottom a{color:#C6ACA5;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .pain-grid,.safety-grid,.kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-card--feature{grid-column:span 2;grid-row:auto;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .nav-search{max-width:240px;}
  .bento__card--hero{grid-column:span 12;grid-row:auto;}
  .bento__card--sm{grid-column:span 6;}
  .bento__card--md{grid-column:span 12;}
  .scene-wrap{grid-template-columns:1fr;}
  .dl-wrap{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:34px;}
  .timeline::before{display:none;}
  .quick-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .hero__inner{padding:64px 20px 58px;}
  .hero__stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .hero__stat strong{font-size:22px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-top__inner{gap:14px;}
  .nav-channels__inner{padding:8px 20px;}
  .pain-grid,.safety-grid,.kpi-grid,.news-grid,.scene-grid,.compare,.quick-grid{grid-template-columns:1fr;}
  .news-card--feature{grid-column:span 1;}
  .bento__card--sm{grid-column:span 12;}
  .timeline{grid-template-columns:1fr;}
  .rank-item{grid-template-columns:auto 1fr;row-gap:10px;}
  .rank-item__heat{grid-column:span 2;width:100%;}
  .chart__bars{height:140px;gap:8px;}
  .dl-meta{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-band{padding:32px 22px;}
  .lead-form{padding:24px 20px;}
  .compare__col{padding:26px 22px;}
  .faq-item summary{font-size:16px;padding:18px 18px 18px 22px;}
  .faq-item__body{padding:0 18px 20px 22px;}
}
@media (max-width:520px){
  .hero__actions .btn,.cta-band .btn{width:100%;}
  .hero__stats{grid-template-columns:1fr 1fr;}
  .brand__text strong{font-size:16.5px;}
  .brand__text small{font-size:11px;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .section-head h2{font-size:22px;}
  .kpi-card__value{font-size:30px;}
}

/* roulang page: article */
:root{
  --bg:#FBF6F2;
  --bg-soft:#F6ECE6;
  --surface:#FFFFFF;
  --ink:#2B1B24;
  --ink-2:#5E4A55;
  --muted:#8B737D;
  --primary:#8E2F52;
  --primary-deep:#6E2340;
  --accent:#F07A5A;
  --accent-soft:#FBE3D9;
  --border:#E9D9D2;
  --success:#2F8F6B;
  --warning:#C98A2E;
  --dark-band:#331C29;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow:0 10px 30px rgba(74,32,54,.08);
  --shadow-hover:0 18px 40px rgba(74,32,54,.12);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.42;margin:0;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
section[id]{scroll-margin-top:132px;}
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);}
.section--white{background:var(--surface);}
.section--dark{background:var(--dark-band);color:#F6E9E3;}
.section--dark h2,.section--dark h3{color:#FFF6F0;}
.section--dark p{color:#E4CFC8;}
.section-head{margin-bottom:38px;max-width:820px;}
.section-head h2{font-size:clamp(24px,2.4vw,34px);}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  background:var(--accent-soft);
  border:1px solid var(--border);
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:16px;font-weight:600;
}
/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn--primary{background:var(--primary);color:#FFF6F0;box-shadow:0 8px 22px rgba(142,47,82,.24);}
.btn--primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn--accent{background:var(--accent);color:#3A1B14;box-shadow:0 8px 22px rgba(240,122,90,.3);}
.btn--accent:hover{background:#E96A4B;color:#2B1B24;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn--ghost{background:transparent;color:#FFF6F0;border-color:rgba(255,246,240,.6);}
.btn--ghost:hover{background:rgba(255,246,240,.16);color:#fff;transform:translateY(-2px);}
.btn--outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn--outline:hover{background:var(--accent-soft);color:var(--primary-deep);transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--lg{padding:15px 32px;font-size:16px;}
.btn--block{width:100%;}
.btn:active{transform:translateY(0);box-shadow:0 4px 12px rgba(74,32,54,.14);}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.btn[disabled]{opacity:.45;pointer-events:none;}
/* ---------- Badges / chips ---------- */
.badge{
  display:inline-block;padding:3px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--accent-soft);color:var(--primary-deep);border:1px solid var(--border);
}
.badge--dark{background:rgba(240,122,90,.2);color:#F7BBA8;border-color:rgba(240,122,90,.4);}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--border);
  transition:all .18s ease;
}
.chip:hover{background:var(--accent-soft);color:var(--primary-deep);border-color:var(--accent);transform:translateY(-2px);}
/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(251,246,242,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.nav-top__inner{display:flex;align-items:center;gap:24px;padding:14px 20px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand__mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:var(--primary);color:#FFF6F0;flex:0 0 auto;
  box-shadow:0 8px 18px rgba(142,47,82,.26);
}
.brand__mark svg{width:24px;height:24px;display:block;}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__text strong{font-family:var(--font-serif);font-size:19px;letter-spacing:.02em;}
.brand__text small{font-size:12px;color:var(--muted);letter-spacing:.08em;}
.nav-search{
  flex:1 1 auto;max-width:340px;position:relative;display:flex;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:0 6px 0 38px;height:44px;transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(240,122,90,.16);}
.nav-search__icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--muted);}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;height:100%;font-size:14.5px;outline:none;color:var(--ink);min-width:0;
}
.nav-search input::placeholder{color:var(--muted);font-size:14px;}
.nav-search button{
  flex:0 0 auto;border:0;background:var(--primary);color:#FFF6F0;border-radius:8px;
  padding:7px 14px;font-size:13.5px;font-weight:600;transition:background .18s ease;
}
.nav-search button:hover{background:var(--primary-deep);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{
  display:none;border:1px solid var(--border);background:var(--surface);border-radius:10px;
  padding:9px 14px;font-size:14px;font-weight:600;color:var(--ink-2);
}
.nav-toggle:hover{border-color:var(--accent);color:var(--primary);}
.nav-channels{border-top:1px solid var(--border);background:rgba(255,255,255,.7);}
.nav-channels__inner{padding:9px 20px;overflow-x:auto;scrollbar-width:none;}
.nav-channels__inner::-webkit-scrollbar{display:none;}
.tabs{display:flex;align-items:center;gap:10px;min-width:max-content;}
.tab{
  display:inline-flex;align-items:center;padding:8px 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--ink-2);
  background:transparent;border:1px solid var(--border);
  transition:all .18s ease;white-space:nowrap;
}
.tab:hover{background:var(--accent-soft);color:var(--primary-deep);border-color:var(--accent);}
.tab.is-active{background:var(--primary);color:#FFF6F0;border-color:var(--primary);box-shadow:inset 0 0 0 2px rgba(255,246,240,.28);}
.tab:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
/* ---------- Article hero ---------- */
.article-hero{
  position:relative;background:var(--bg-soft);
  padding:56px 0 52px;border-bottom:1px solid var(--border);
  background-image:radial-gradient(rgba(142,47,82,.055) 1px,transparent 1px);
  background-size:16px 16px;
}
.article-hero__inner{max-width:880px;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .current{
  color:var(--ink-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-hero h1{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.4;letter-spacing:.01em;margin:16px 0 0;
}
.article-lead{
  margin-top:22px;padding:18px 22px;background:var(--surface);
  border:1px solid var(--border);border-left:4px solid var(--accent);
  border-radius:var(--r-md);color:var(--ink-2);font-size:15.6px;line-height:1.85;
  box-shadow:var(--shadow);max-width:800px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:22px;
  font-size:13.6px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta span::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;
}
/* ---------- Article layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:44px;align-items:start;
}
.article-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:44px 48px;box-shadow:var(--shadow);max-width:860px;
}
.prose{font-size:17px;line-height:1.95;color:var(--ink-2);}
.prose > * + *{margin-top:1.1em;}
.prose h2{
  font-size:26px;color:var(--ink);margin-top:1.75em;padding-left:16px;
  border-left:4px solid var(--accent);line-height:1.5;
}
.prose h3{font-size:21px;color:var(--ink);margin-top:1.5em;}
.prose h2:first-child,.prose h3:first-child{margin-top:0;}
.prose p{color:var(--ink-2);}
.prose strong{color:var(--ink);font-weight:700;}
.prose ul,.prose ol{padding-left:1.35em;color:var(--ink-2);}
.prose li{margin:.45em 0;}
.prose ul li::marker{color:var(--accent);}
.prose ol li::marker{color:var(--primary);font-weight:700;}
.prose a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--accent);}
.prose img{border-radius:var(--r-md);margin:1.4em 0;width:100%;height:auto;background:var(--bg-soft);}
.prose blockquote{
  margin:1.5em 0;padding:18px 22px;background:var(--bg-soft);
  border-left:4px solid var(--primary);border-radius:var(--r-md);
  color:var(--ink-2);font-size:16px;
}
.prose blockquote p{margin:0;}
.prose table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:14.6px;margin:1.5em 0;border-radius:var(--r-md);
}
.prose th,.prose td{border:1px solid var(--border);padding:10px 14px;text-align:left;white-space:nowrap;}
.prose th{background:var(--bg-soft);color:var(--ink);font-weight:700;}
.prose figcaption{font-size:13.4px;color:var(--muted);text-align:center;margin-top:-.6em;}
.prose hr{border:0;border-top:1px solid var(--border);margin:2em 0;}
.article-empty{
  text-align:center;padding:36px 12px;
}
.article-empty h2{font-size:24px;margin-bottom:14px;}
.article-empty p{color:var(--ink-2);margin-bottom:24px;}
/* ---------- TOC ---------- */
.article-aside{position:sticky;top:132px;}
.toc-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--shadow);
}
.toc-card summary{display:none;}
.toc-title{
  font-size:15.5px;color:var(--ink);font-family:var(--font-serif);
  margin:0 0 12px;padding-bottom:12px;border-bottom:1px solid var(--border);
}
.toc-nav{display:grid;gap:2px;}
.toc-link{
  display:block;font-size:14px;color:var(--ink-2);line-height:1.6;
  padding:6px 10px;border-radius:var(--r-sm);border-left:2px solid transparent;
  transition:all .18s ease;
}
.toc-link:hover{background:var(--accent-soft);color:var(--primary-deep);border-left-color:var(--accent);}
.toc-link--sub{padding-left:22px;font-size:13.4px;color:var(--muted);}
.toc-empty{font-size:13.4px;color:var(--muted);line-height:1.75;}
.aside-note{
  margin-top:18px;background:var(--bg-soft);border:1px solid var(--border);
  border-radius:var(--r-md);padding:18px 20px;
}
.aside-note h3{font-size:15.5px;margin-bottom:8px;}
.aside-note p{font-size:13.6px;color:var(--ink-2);line-height:1.8;}
.aside-note .btn{margin-top:14px;}
/* ---------- Post nav ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.post-nav__item{
  display:block;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-md);padding:20px 24px;box-shadow:var(--shadow);
  transition:all .2s ease;
}
.post-nav__item em{
  display:block;font-style:normal;font-size:12.6px;letter-spacing:.12em;
  color:var(--muted);margin-bottom:8px;
}
.post-nav__item strong{font-size:16px;color:var(--ink);line-height:1.6;display:block;}
a.post-nav__item:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-hover);}
.post-nav__item.is-disabled{opacity:.6;box-shadow:none;}
.post-nav__item.is-disabled strong{color:var(--muted);}
/* ---------- Related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow);transition:all .2s ease;height:100%;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-hover);}
.related-card__thumb{display:block;aspect-ratio:16/9;background:var(--bg-soft);overflow:hidden;}
.related-card__thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.related-card:hover .related-card__thumb img{transform:scale(1.04);}
.related-card__body{display:block;padding:18px 20px 22px;}
.related-card__body strong{
  display:block;margin-top:10px;font-size:16px;color:var(--ink);
  line-height:1.6;font-family:var(--font-serif);
}
.related-card:hover .related-card__body strong{color:var(--primary);}
.related-card__date{display:block;margin-top:10px;font-size:13px;color:var(--muted);font-family:var(--font-num);}
.related-empty{
  border:1px dashed var(--border);border-radius:var(--r-md);background:var(--surface);
  padding:36px 24px;text-align:center;color:var(--ink-2);
}
.related-empty p{margin-bottom:18px;color:var(--ink-2);}
/* ---------- Tags + download band ---------- */
.tag-band{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:34px 38px;box-shadow:var(--shadow);
}
.tag-band h2{font-size:22px;margin-bottom:16px;}
.tag-band .chips{max-width:640px;}
.dl-box{
  background:linear-gradient(150deg,var(--primary),var(--primary-deep));
  border-radius:var(--r-md);padding:24px;color:#FFF6F0;text-align:left;
}
.dl-box h3{color:#FFF6F0;font-size:18px;margin-bottom:8px;}
.dl-box p{color:#F2D8D0;font-size:13.6px;line-height:1.75;margin-bottom:16px;}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:0 24px;box-shadow:var(--shadow);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--accent);box-shadow:var(--shadow-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
  padding:20px 0;font-size:16.5px;font-weight:600;color:var(--ink);
  font-family:var(--font-serif);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:0 0 auto;font-size:22px;line-height:1;
  color:var(--primary);transition:transform .18s ease;font-family:var(--font-sans);
  font-weight:400;
}
.faq-item[open] summary::after{content:"–";color:var(--accent);}
.faq-item summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px;border-radius:6px;}
.faq-item__body{
  padding:0 0 22px 0;margin-left:0;border-left:3px solid var(--accent);
  padding-left:16px;color:var(--ink-2);font-size:15.4px;line-height:1.9;
}
/* ---------- Safety strip ---------- */
.safe-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.safe-card{
  background:rgba(255,246,240,.07);border:1px solid rgba(240,122,90,.28);
  border-radius:var(--r-md);padding:22px 24px;
}
.safe-card h3{font-size:16.5px;margin-bottom:8px;}
.safe-card p{font-size:14px;line-height:1.8;}
/* ---------- Footer ---------- */
.site-footer{background:var(--dark-band);color:#F4E4DE;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:36px;padding-bottom:48px;}
.footer-brand .brand__mark{background:rgba(255,246,240,.12);box-shadow:none;}
.footer-brand .brand__text strong{color:#FFF6F0;}
.footer-brand .brand__text small{color:#B69A94;}
.footer-brand p{color:#C9AFA8;font-size:14.2px;line-height:1.85;margin-top:16px;}
.footer-col h4{color:#FFF6F0;font-family:var(--font-serif);font-size:16px;margin:0 0 14px;}
.footer-col ul{list-style:none;display:grid;gap:9px;}
.footer-col a{color:#D8BEB7;font-size:14.2px;}
.footer-col a:hover{color:var(--accent);}
.footer-qr{
  width:84px;height:84px;border-radius:12px;background:rgba(255,246,240,.08);
  border:1px dashed rgba(255,246,240,.28);display:grid;place-items:center;
  color:#E4CFC8;margin-bottom:14px;
}
.footer-qr svg{width:38px;height:38px;}
.footer-dl .btn{margin-bottom:12px;}
.footer-bottom{
  border-top:1px solid rgba(255,246,240,.14);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.4px;color:#B69A94;
}
.footer-bottom a{color:#D8BEB7;}
.footer-bottom a:hover{color:var(--accent);}
/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:32px;}
  .article-card{padding:36px 34px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .nav-search{max-width:260px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-aside{position:static;order:-1;}
  .toc-card summary{display:block;cursor:pointer;font-family:var(--font-serif);font-size:15.5px;font-weight:700;color:var(--ink);}
  .toc-card summary::-webkit-details-marker{display:none;}
  .toc-card[open] summary{margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--border);}
  .toc-title{display:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .safe-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tag-band{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .nav-top__inner{gap:12px;padding:12px 20px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-channels{display:none;}
  .nav-channels.is-open{display:block;}
  .brand__text strong{font-size:17px;}
  .brand__text small{font-size:11px;}
  .article-hero{padding:40px 0 38px;}
  .article-card{padding:26px 22px;border-radius:var(--r-md);}
  .prose{font-size:16.4px;line-height:1.92;}
  .prose h2{font-size:22px;}
  .prose h3{font-size:19px;}
  .post-nav{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .safe-grid{grid-template-columns:1fr;}
  .tag-band{padding:26px 22px;}
  .breadcrumb .current{max-width:180px;}
  .article-lead{padding:16px 18px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .btn{width:100%;}
  .btn--sm{width:auto;}
  .article-meta{gap:8px 18px;font-size:12.8px;}
  .faq-item{padding:0 18px;}
  .faq-item summary{font-size:15.6px;}
}

/* roulang page: category1 */
:root{
  --bg:#FBF6F2;
  --bg-soft:#F6ECE6;
  --surface:#FFFFFF;
  --ink:#2B1B24;
  --ink-2:#5E4A55;
  --muted:#8B737D;
  --primary:#8E2F52;
  --primary-deep:#6E2340;
  --accent:#F07A5A;
  --accent-soft:#FBE3D9;
  --border:#E9D9D2;
  --success:#2F8F6B;
  --warning:#C98A2E;
  --dark-band:#331C29;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow:0 10px 30px rgba(74,32,54,.08);
  --shadow-hover:0 18px 40px rgba(74,32,54,.12);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);margin:0;line-height:1.35;color:var(--ink);font-weight:700;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid rgba(240,122,90,.55);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
section[id],div[id]{scroll-margin-top:132px;}
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);}
.section--white{background:var(--surface);}
.section--tight{padding:64px 0;}
.section-head{margin-bottom:38px;max-width:860px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(24px,2.4vw,34px);}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  background:var(--accent-soft);
  border:1px solid var(--border);
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:16px;font-weight:600;
}
/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn--primary{background:var(--primary);color:#FFF6F0;box-shadow:0 8px 22px rgba(142,47,82,.24);}
.btn--primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn--accent{background:var(--accent);color:#3A1B14;box-shadow:0 8px 22px rgba(240,122,90,.3);}
.btn--accent:hover{background:#E96A4B;color:#2B1B24;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn--ghost{background:transparent;color:#FFF6F0;border-color:rgba(255,246,240,.6);}
.btn--ghost:hover{background:rgba(255,246,240,.16);color:#fff;transform:translateY(-2px);}
.btn--outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn--outline:hover{background:var(--accent-soft);color:var(--primary-deep);transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--lg{padding:15px 32px;font-size:16px;}
.btn--block{width:100%;}
.btn:active{transform:translateY(0);box-shadow:0 4px 12px rgba(74,32,54,.14);}
.badge{
  display:inline-block;padding:3px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--accent-soft);color:var(--primary-deep);border:1px solid var(--border);
}
.badge--green{background:rgba(47,143,107,.12);color:var(--success);border-color:rgba(47,143,107,.28);}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--border);
  transition:all .18s ease;
}
.chip:hover{background:var(--accent-soft);color:var(--primary-deep);border-color:var(--accent);transform:translateY(-2px);}
/* header */
.site-header{position:sticky;top:0;z-index:90;background:rgba(251,246,242,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.nav-top__inner{display:flex;align-items:center;gap:24px;padding:14px 20px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand__mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:var(--primary);color:#FFF6F0;flex:0 0 auto;
  box-shadow:0 8px 18px rgba(142,47,82,.26);
}
.brand__mark svg{width:24px;height:24px;display:block;}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__text strong{font-family:var(--font-serif);font-size:19px;letter-spacing:.02em;}
.brand__text small{font-size:12px;color:var(--muted);letter-spacing:.08em;}
.nav-search{
  flex:1 1 auto;max-width:340px;position:relative;display:flex;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:0 6px 0 38px;height:44px;transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(240,122,90,.16);}
.nav-search__icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--muted);}
.nav-search input{flex:1 1 auto;border:0;background:transparent;height:100%;font-size:14.5px;outline:none;color:var(--ink);min-width:0;margin:0;}
.nav-search input::placeholder{color:var(--muted);font-size:14px;}
.nav-search button{
  flex:0 0 auto;border:0;background:var(--primary);color:#FFF6F0;border-radius:8px;
  padding:7px 14px;font-size:13.5px;font-weight:600;transition:background .18s ease;
}
.nav-search button:hover{background:var(--primary-deep);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{display:none;border:1px solid var(--border);background:var(--surface);color:var(--ink-2);border-radius:10px;padding:8px 14px;font-size:14px;font-weight:600;}
.nav-toggle:hover{border-color:var(--accent);color:var(--primary);}
.nav-channels{border-top:1px solid var(--border);background:rgba(246,236,230,.6);}
.nav-channels__inner{padding:10px 20px;overflow-x:auto;scrollbar-width:thin;}
.tabs{display:flex;align-items:center;gap:10px;min-width:max-content;}
.tab{
  display:inline-block;padding:8px 18px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  background:transparent;border:1px solid var(--border);white-space:nowrap;
  transition:all .18s ease;
}
.tab:hover{background:var(--accent-soft);color:var(--primary-deep);border-color:var(--accent);}
.tab.is-active{background:var(--primary);color:#FFF6F0;border-color:var(--primary);box-shadow:inset 0 0 0 2px rgba(255,246,240,.35);}
/* page hero */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FBF6F2 0%,#F6ECE6 100%);
  border-bottom:1px solid var(--border);
  padding:56px 0 48px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(142,47,82,.10) 1px,transparent 1px);
  background-size:18px 18px;opacity:.5;pointer-events:none;
}
.page-hero__inner{position:relative;max-width:880px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span.sep{color:#C9B4AE;}
.page-hero h1{font-size:clamp(30px,3.6vw,46px);letter-spacing:.01em;margin-bottom:18px;}
.page-hero__desc{font-size:16.5px;color:var(--ink-2);max-width:780px;margin-bottom:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stat{
  display:flex;flex-direction:column;gap:2px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:12px 20px;min-width:150px;box-shadow:var(--shadow);
}
.hero-stat b{font-family:var(--font-num);font-size:22px;color:var(--primary);line-height:1.2;}
.hero-stat span{font-size:12.8px;color:var(--muted);letter-spacing:.04em;}
/* scenes */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3C3B5;}
.scene-card__no{font-family:var(--font-num);font-size:13px;color:var(--accent);letter-spacing:.12em;display:block;margin-bottom:10px;}
.scene-card h3{font-size:19px;margin-bottom:10px;}
.scene-card p{font-size:14.6px;color:var(--ink-2);margin:0;line-height:1.8;}
/* filter */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:16px 18px;box-shadow:var(--shadow);margin-bottom:32px;
}
.filter-bar__label{font-size:14px;color:var(--muted);font-weight:600;margin-right:6px;}
.filter-btn{
  padding:8px 20px;border-radius:var(--r-pill);border:1px solid var(--border);
  background:transparent;color:var(--ink-2);font-size:14px;font-weight:600;
  transition:all .18s ease;
}
.filter-btn:hover{border-color:var(--accent);color:var(--primary);background:var(--accent-soft);}
.filter-btn.is-active{background:var(--primary);border-color:var(--primary);color:#FFF6F0;}
.filter-bar__tip{margin-left:auto;font-size:13px;color:var(--muted);}
/* post list */
.post-list{display:flex;flex-direction:column;gap:20px;}
.post-card{
  display:grid;grid-template-columns:232px 1fr;gap:24px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3C3B5;}
.post-card.is-hidden{display:none;}
.post-thumb{margin:0;overflow:hidden;border-radius:var(--r-md);background:var(--bg-soft);}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);transition:transform .3s ease;}
.post-card:hover .post-thumb img{transform:scale(1.02);}
.post-body{display:flex;flex-direction:column;justify-content:center;min-width:0;}
.post-body h3{font-size:20px;margin:10px 0 10px;letter-spacing:.01em;}
.post-body p{font-size:15px;color:var(--ink-2);margin:0 0 14px;line-height:1.8;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted);}
.post-meta i{font-style:normal;color:#C9B4AE;}
.more-wrap{display:flex;justify-content:center;margin-top:34px;}
.more-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--primary);
  padding:11px 28px;border:1px solid var(--primary);border-radius:var(--r-pill);
  background:transparent;transition:all .18s ease;
}
.more-link:hover{background:var(--accent-soft);color:var(--primary-deep);border-color:var(--accent);transform:translateY(-2px);}
/* topics */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.topic-card{
  display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--shadow);color:var(--ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3C3B5;color:var(--ink);}
.topic-card__no{font-family:var(--font-num);font-size:30px;color:var(--accent-soft);-webkit-text-stroke:1px var(--accent);display:block;line-height:1;margin-bottom:12px;}
.topic-card h3{font-size:18.5px;margin-bottom:10px;}
.topic-card p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.8;}
.topic-card__link{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--primary);}
.topic-card:hover .topic-card__link{color:var(--accent);}
/* guide */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.guide-step{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-md);padding:28px 24px 24px;box-shadow:var(--shadow);
}
.guide-step__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;
  background:var(--accent-soft);color:var(--primary-deep);
  font-family:var(--font-num);font-size:17px;font-weight:700;margin-bottom:14px;
}
.guide-step h3{font-size:18.5px;margin-bottom:10px;}
.guide-step p{font-size:14.6px;color:var(--ink-2);margin:0 0 14px;line-height:1.8;}
.guide-step a{font-size:14px;font-weight:600;}
/* faq */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:#F3C3B5;box-shadow:var(--shadow);}
.faq-item summary{
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";width:3px;height:20px;border-radius:2px;background:var(--accent);flex:0 0 auto;
  opacity:0;transition:opacity .18s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary::after{
  content:"+";margin-left:auto;font-family:var(--font-num);font-size:22px;line-height:1;
  color:var(--primary);transition:transform .18s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-answer{padding:0 22px 20px 39px;font-size:15.2px;color:var(--ink-2);line-height:1.85;}
.faq-item .faq-answer p:last-child{margin-bottom:0;}
/* tags */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;}
/* cta band */
.cta-band{
  background:var(--dark-band);color:#F6E9E3;border-radius:var(--r-lg);
  padding:44px 44px;display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  box-shadow:0 20px 44px rgba(51,28,41,.24);
}
.cta-band__text{flex:1 1 420px;min-width:260px;}
.cta-band h2{font-size:clamp(22px,2.2vw,30px);color:#FFF6F0;margin-bottom:12px;}
.cta-band p{color:#DCC3BC;font-size:15px;margin:0;line-height:1.85;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}
/* footer */
.site-footer{background:var(--dark-band);color:#EBD8D1;padding:64px 0 28px;margin-top:0;}
.site-footer .brand{color:#FFF6F0;}
.site-footer .brand:hover{color:#FFF6F0;}
.site-footer .brand__mark{background:var(--accent);color:#3A1B14;box-shadow:none;}
.site-footer .brand__text small{color:#B99C95;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px;}
.footer-brand p{font-size:14px;color:#C6AAA3;line-height:1.85;margin:18px 0 0;max-width:340px;}
.footer-col h4{font-size:15.5px;color:#FFF6F0;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:#C6AAA3;}
.footer-col ul a:hover{color:var(--accent);}
.footer-dl{display:flex;flex-direction:column;align-items:flex-start;gap:12px;}
.footer-qr{
  width:64px;height:64px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,246,240,.08);border:1px solid rgba(255,246,240,.18);color:#F0C9BC;
}
.footer-qr svg{width:32px;height:32px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,246,240,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#A98F89;
}
.footer-bottom a{color:#A98F89;}
.footer-bottom a:hover{color:var(--accent);}
/* responsive */
@media screen and (max-width:1024px){
  .section{padding:72px 0;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .topic-grid{grid-template-columns:1fr;}
  .guide-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .post-card{grid-template-columns:200px 1fr;gap:20px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-channels{display:none;}
  .nav-channels.is-open{display:block;}
  .nav-actions .btn--sm{padding:8px 14px;font-size:13.5px;}
  .nav-channels__inner{padding:8px 20px;}
  .page-hero{padding:40px 0 36px;}
  .hero-stats{gap:10px;}
  .hero-stat{flex:1 1 calc(50% - 10px);min-width:0;padding:10px 14px;}
  .post-card{grid-template-columns:1fr;padding:16px;gap:16px;}
  .post-thumb img{aspect-ratio:16/9;}
  .filter-bar{padding:14px;gap:8px;}
  .filter-bar__tip{display:none;}
  .cta-band{padding:30px 24px;gap:22px;}
  .scene-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-item summary{font-size:15.5px;padding:16px 18px;}
  .faq-item .faq-answer{padding:0 18px 18px 35px;}
}
@media screen and (max-width:480px){
  .container{padding:0 16px;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .hero-stat b{font-size:19px;}
  .page-hero h1{font-size:29px;}
  .more-link{width:100%;justify-content:center;}
  .topic-card,.guide-step,.scene-card{padding:22px 18px;}
}