/* roulang page: index */
:root{
  --brand-900:#0E4A3C;
  --brand-700:#17876A;
  --brand-500:#24B48A;
  --brand-grad:linear-gradient(120deg,#0E4A3C 0%,#17876A 55%,#24B48A 100%);
  --accent-500:#E8622C;
  --accent-100:#FDEDE4;
  --bg-page:#F6F4EF;
  --bg-card:#FFFFFF;
  --bg-deep:#0B2B25;
  --line:#E6E1D6;
  --text-900:#12211D;
  --text-600:#5B6B66;
  --text-invert:#F2F7F5;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(14,74,60,.06),0 10px 28px -12px rgba(14,74,60,.18);
  --shadow-2:0 4px 10px rgba(14,74,60,.10),0 18px 40px -16px rgba(14,74,60,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg-page);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--brand-900);text-decoration:underline;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.2em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

/* ---------- container ---------- */
.site-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(14,74,60,.10);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:64px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:14px;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;letter-spacing:0;
  box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-name{
  font-size:1.06rem;font-weight:800;color:var(--brand-900);
  line-height:1.25;white-space:nowrap;
}
.brand-sub{font-size:11px;color:var(--text-600);line-height:1.4;white-space:nowrap;}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  cursor:pointer;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .25s var(--ease);}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);}
.site-header.nav-open .mobile-nav{display:block;}
.mobile-nav a{
  display:block;
  padding:13px 20px;
  color:var(--text-900);
  font-size:15px;
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:none;}

/* chip bar */
.chip-bar-wrap{position:relative;border-top:1px solid var(--line);background:#fff;}
.chip-bar-wrap::before,
.chip-bar-wrap::after{
  content:"";
  position:absolute;top:0;bottom:0;width:24px;pointer-events:none;z-index:2;
}
.chip-bar-wrap::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.chip-bar-wrap::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}
.chip-bar{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  padding-top:10px;
  padding-bottom:10px;
}
.chip-bar::-webkit-scrollbar{display:none;}
.nav-chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-600);
  font-size:13px;
  white-space:nowrap;
  transition:all .25s var(--ease);
}
.nav-chip:hover{background:rgba(36,180,138,.10);color:var(--brand-900);border-color:rgba(36,180,138,.35);text-decoration:none;}
.nav-chip.is-active{background:var(--brand-grad);color:#fff;border-color:transparent;box-shadow:var(--shadow-1);}
.nav-chip.is-active:hover{color:#fff;text-decoration:none;}

/* ---------- buttons ---------- */
.site-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:999px;
  font-size:15px;font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:all .25s var(--ease);
  text-decoration:none;
  white-space:nowrap;
}
.site-btn--primary{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-1);}
.site-btn--primary:hover{color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2);filter:brightness(1.06);}
.site-btn--primary:active{transform:translateY(0);filter:brightness(.97);}
.site-btn--outline{background:#fff;color:var(--brand-700);border-color:rgba(23,135,106,.32);}
.site-btn--outline:hover{background:rgba(36,180,138,.08);color:var(--brand-900);text-decoration:none;transform:translateY(-1px);}
.site-btn--ghost{background:transparent;color:var(--brand-900);border-color:var(--line);}
.site-btn--ghost:hover{background:rgba(36,180,138,.08);text-decoration:none;border-color:rgba(36,180,138,.35);}
.site-btn--sm{min-height:40px;padding:9px 20px;font-size:14px;}
.site-btn--block{width:100%;}

/* ---------- section ---------- */
.section{padding:88px 0;}
.section--page{background:var(--bg-page);}
.section--white{background:#fff;}
.section--deep{background:var(--bg-deep);color:var(--text-invert);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-700);
  background:rgba(36,180,138,.12);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.section--deep .eyebrow{background:rgba(255,255,255,.10);color:var(--text-invert);}
.section-title{
  font-size:clamp(1.45rem,1.1rem + 1.4vw,2rem);
  font-weight:700;line-height:1.3;
  color:var(--brand-900);
  letter-spacing:-.01em;
}
.section--deep .section-title{color:#fff;}
.section-sub{margin-top:12px;font-size:14px;color:var(--text-600);line-height:1.7;}
.section--deep .section-sub{color:rgba(242,247,245,.86);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background:var(--brand-grad);
  color:var(--text-invert);
  padding:56px 0 72px;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.35;
  pointer-events:none;
}
.hero .site-container{position:relative;z-index:1;}
.hero-flash{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(242,247,245,.20);
  border-radius:999px;
  padding:10px 18px;
  font-size:13.5px;
  margin-bottom:34px;
  width:fit-content;
  max-width:100%;
}
.flash-chip{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-500);
  color:#fff;font-weight:700;font-size:12px;
  padding:4px 12px;border-radius:999px;
}
.hero-flash strong{font-variant-numeric:tabular-nums;font-family:ui-monospace,"SF Mono",Menlo,monospace;color:#fff;font-size:15px;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(1.9rem,1.2rem + 2.6vw,2.9rem);
  font-weight:800;line-height:1.2;letter-spacing:-.01em;
  color:#fff;
}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.85;color:rgba(242,247,245,.90);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero .site-btn--outline{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.42);}
.hero .site-btn--outline:hover{background:rgba(255,255,255,.18);color:#fff;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(242,247,245,.20);
  color:var(--text-invert);
  font-size:12.5px;
  padding:6px 14px;
  border-radius:999px;
  white-space:nowrap;
}
.badge-soft i,.badge-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brand-500);flex:0 0 6px;}
.hero-panel{
  background:rgba(255,255,255,.96);
  color:var(--text-900);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-2);
  border:1px solid rgba(255,255,255,.6);
}
.hero-panel-title{font-size:1.05rem;font-weight:800;color:var(--brand-900);}
.hero-panel-sub{font-size:12.5px;color:var(--text-600);margin-top:4px;}
.kv-list{list-style:none;padding:0;margin:18px 0 0;}
.kv-list li{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;
}
.kv-list li:last-child{border-bottom:none;}
.kv-key{color:var(--text-600);flex:0 0 auto;}
.kv-val{color:var(--brand-900);font-weight:700;text-align:right;min-width:0;}

/* ---------- generic grid ---------- */
.grid-2,.grid-3,.grid-4,.grid-asym{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid-asym{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid-2>*,.grid-3>*,.grid-4>*,.grid-asym>*{min-width:0;}

/* ---------- panels ---------- */
.panel{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:all .25s var(--ease);
  min-width:0;
}
.panel:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.panel-title{font-size:1.05rem;font-weight:700;color:var(--brand-900);line-height:1.45;}
.panel-text{margin-top:10px;font-size:14px;color:var(--text-600);line-height:1.75;}
.icon-box{
  width:40px;height:40px;border-radius:12px;
  background:rgba(36,180,138,.12);
  color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
  margin-bottom:16px;
}
.panel-main{grid-column:span 2;display:flex;gap:20px;align-items:flex-start;}
.panel-main .icon-box{flex:0 0 40px;margin-bottom:0;}
.panel-small{grid-column:span 1;}

/* ---------- download ---------- */
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.download-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:14px;
  transition:all .25s var(--ease);
}
.download-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.download-platform{display:flex;align-items:center;gap:12px;}
.download-name{font-size:1.02rem;font-weight:700;color:var(--brand-900);}
.download-file{font-size:12.5px;color:var(--text-600);font-family:ui-monospace,"SF Mono",Menlo,monospace;word-break:break-all;}
.download-note{
  margin-top:6px;
  font-size:12.5px;
  color:var(--text-600);
  background:#F3F1EB;
  border-radius:var(--radius-sm);
  padding:10px 14px;
  line-height:1.6;
}

/* ---------- stat ---------- */
.stat-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:all .25s var(--ease);
  min-width:0;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.stat-num{
  font-size:clamp(1.8rem,1.2rem + 2vw,2.6rem);
  font-weight:800;color:var(--brand-900);line-height:1.1;
  font-variant-numeric:tabular-nums;
  display:flex;align-items:baseline;gap:6px;
}
.stat-unit{font-size:13px;font-weight:600;color:var(--text-600);}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--text-600);line-height:1.65;}
.stat-foot{margin-top:14px;}

/* ---------- compare ---------- */
.notice-line{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13px;color:var(--text-600);
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--radius-sm);
  padding:12px 16px;
  margin-bottom:26px;
}
.compare-list{display:grid;gap:16px;}
.compare-card{
  position:relative;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:20px;
  align-items:center;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
  transition:all .25s var(--ease);
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.compare-no{
  width:44px;height:44px;border-radius:14px;
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-variant-numeric:tabular-nums;
  flex:0 0 44px;
}
.compare-name{font-size:1.02rem;font-weight:700;color:var(--brand-900);}
.compare-text{margin-top:6px;font-size:13.5px;color:var(--text-600);line-height:1.7;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.mini-tag{
  display:inline-flex;align-items:center;
  font-size:12px;
  padding:3px 11px;
  border-radius:999px;
  background:rgba(36,180,138,.12);
  color:var(--brand-900);
  white-space:nowrap;
}
.compare-link{
  font-size:13.5px;font-weight:700;color:var(--brand-700);
  white-space:nowrap;
  display:inline-flex;align-items:center;gap:4px;
  transition:transform .25s var(--ease);
}
.compare-link:hover{transform:translateX(2px);text-decoration:none;color:var(--brand-900);}

/* ---------- timeline ---------- */
.timeline{
  display:flex;
  gap:20px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  padding-bottom:12px;
}
.timeline-item{
  flex:0 0 240px;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px;
  box-shadow:var(--shadow-1);
  position:relative;
  transition:all .25s var(--ease);
}
.timeline-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.timeline-item::before{
  content:"";
  position:absolute;top:-1px;left:22px;
  width:26px;height:3px;border-radius:3px;
  background:var(--brand-500);
}
.timeline-step{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;
  color:var(--brand-900);
  background:rgba(36,180,138,.14);
  border-radius:999px;
  padding:3px 12px;
  font-variant-numeric:tabular-nums;
}
.timeline-title{margin-top:14px;font-size:1rem;font-weight:700;color:var(--brand-900);}
.timeline-text{margin-top:8px;font-size:13.5px;color:var(--text-600);line-height:1.7;}

/* ---------- scene ---------- */
.scene-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:all .25s var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.scene-name{font-size:1.05rem;font-weight:700;color:var(--brand-900);}
.scene-list{list-style:none;padding:0;margin:14px 0 0;}
.scene-list li{
  position:relative;
  padding-left:18px;
  font-size:13.5px;
  color:var(--text-600);
  line-height:1.75;
  margin-bottom:8px;
}
.scene-list li::before{
  content:"";
  position:absolute;left:0;top:.62em;
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-500);
}

/* ---------- topic ---------- */
.topic-card{
  display:block;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:all .25s var(--ease);
  color:inherit;
  text-decoration:none;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);text-decoration:none;color:inherit;}
.topic-name{font-size:1.02rem;font-weight:700;color:var(--brand-900);}
.topic-text{margin-top:8px;font-size:13.5px;color:var(--text-600);line-height:1.7;}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:28px;align-items:start;}
.news-list{display:grid;gap:14px;}
.news-item{
  display:flex;
  gap:16px;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:18px 20px;
  box-shadow:var(--shadow-1);
  transition:all .25s var(--ease);
  color:inherit;
  text-decoration:none;
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);text-decoration:none;color:inherit;}
.news-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  background:rgba(36,180,138,.12);
  color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;
}
.news-title{
  font-size:.98rem;font-weight:700;color:var(--brand-900);
  line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  margin-top:6px;font-size:13.5px;color:var(--text-600);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px;font-size:12.5px;color:var(--text-600);}
.news-more{display:flex;justify-content:center;margin-top:26px;}
.aside-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.aside-card + .aside-card{margin-top:20px;}
.aside-title{font-size:1rem;font-weight:700;color:var(--brand-900);}
.aside-text{margin-top:10px;font-size:13.5px;color:var(--text-600);line-height:1.75;}
.empty-state{
  text-align:center;
  padding:48px 20px;
  background:var(--bg-card);
  border:1px dashed var(--line);
  border-radius:var(--radius-lg);
}
.empty-icon{
  width:54px;height:54px;margin:0 auto 16px;
  border-radius:16px;
  background:rgba(36,180,138,.12);
  color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:20px;
}
.empty-text{font-size:14px;color:var(--text-600);}

/* ---------- deep guarantee ---------- */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.guarantee-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(242,247,245,.16);
  border-radius:var(--radius-md);
  padding:24px;
  transition:all .25s var(--ease);
  min-width:0;
}
.guarantee-card:hover{background:rgba(255,255,255,.10);transform:translateY(-3px);}
.guarantee-icon{
  width:40px;height:40px;border-radius:12px;
  background:rgba(36,180,138,.22);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
  margin-bottom:16px;
}
.guarantee-title{font-size:1rem;font-weight:700;color:#fff;}
.guarantee-text{margin-top:8px;font-size:13.5px;color:rgba(242,247,245,.86);line-height:1.75;}

/* ---------- risk ---------- */
.risk-bar{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--accent-100);
  border:1px solid rgba(232,98,44,.22);
  border-radius:var(--radius-lg);
  padding:24px 26px;
}
.risk-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  background:rgba(232,98,44,.14);
  color:var(--accent-500);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;
}
.risk-title{font-size:1rem;font-weight:700;color:#8C3A18;}
.risk-text{margin-top:8px;font-size:13.5px;color:#8C3A18;line-height:1.8;}

/* ---------- quick qa ---------- */
.quick-card{
  display:block;
  width:100%;
  text-align:left;
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--brand-500);
  border-radius:var(--radius-md);
  padding:20px 22px;
  cursor:pointer;
  transition:all .25s var(--ease);
  color:inherit;
}
.quick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);background:rgba(36,180,138,.05);}
.quick-q{font-size:.98rem;font-weight:700;color:var(--brand-900);line-height:1.6;}
.quick-hint{margin-top:6px;font-size:12.5px;color:var(--text-600);}

/* ---------- glossary ---------- */
.glossary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.term{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:16px 18px;
  cursor:default;
  transition:all .25s var(--ease);
  min-width:0;
}
.term:hover{border-color:rgba(36,180,138,.45);box-shadow:var(--shadow-1);transform:translateY(-2px);}
.term-name{font-size:14.5px;font-weight:700;color:var(--brand-900);}
.term-def{margin-top:6px;font-size:12.5px;color:var(--text-600);line-height:1.65;}

/* ---------- accordion ---------- */
.accordion-custom .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-1);
}
.accordion-custom .accordion-button{
  font-size:1rem;
  font-weight:700;
  color:var(--brand-900);
  background:#fff;
  padding:18px 22px;
  border:none;
  box-shadow:none;
  transition:all .25s var(--ease);
}
.accordion-custom .accordion-button:not(.collapsed){
  background:rgba(36,180,138,.08);
  color:var(--brand-900);
  box-shadow:inset 4px 0 0 var(--brand-700);
}
.accordion-custom .accordion-button:focus{
  box-shadow:0 0 0 3px rgba(36,180,138,.25);
  border-color:transparent;
}
.accordion-custom .accordion-button::after{transition:transform .25s var(--ease);}
.accordion-custom .accordion-body{
  padding:4px 22px 22px;
  font-size:14.5px;
  color:var(--text-600);
  line-height:1.85;
}

/* ---------- form ---------- */
.form-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:40px;align-items:start;}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px;
  box-shadow:var(--shadow-2);
}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:13px;font-weight:600;color:var(--text-600);margin-bottom:8px;}
.form-control,
.form-select{
  min-height:46px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  font-size:15px;
  color:var(--text-900);
  background-color:#fff;
  padding:10px 14px;
  transition:all .25s var(--ease);
}
.form-control:focus,
.form-select:focus{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(36,180,138,.18);
  outline:none;
}
textarea.form-control{min-height:96px;resize:vertical;}
.form-check-input:checked{background-color:var(--brand-700);border-color:var(--brand-700);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(36,180,138,.18);border-color:var(--brand-500);}
.form-check-label{font-size:13.5px;color:var(--text-600);line-height:1.6;}
.field-error{
  display:none;
  font-size:12px;
  color:var(--accent-500);
  margin-top:6px;
}
.form-row.has-error .form-control,
.form-row.has-error .form-select{border-color:var(--accent-500);}
.form-row.has-error .field-error{display:block;}
.form-msg{
  display:none;
  margin-top:16px;
  font-size:13.5px;
  border-radius:var(--radius-sm);
  padding:12px 16px;
  line-height:1.7;
}
.form-msg.is-ok{display:block;background:rgba(36,180,138,.12);color:var(--brand-900);}
.form-msg.is-bad{display:block;background:var(--accent-100);color:#8C3A18;}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-600);line-height:1.7;}
.form-side-list{list-style:none;padding:0;margin:22px 0 0;}
.form-side-list li{
  display:flex;gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;
  color:var(--text-600);
  line-height:1.7;
}
.form-side-list li:last-child{border-bottom:none;}
.side-no{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:rgba(36,180,138,.14);
  color:var(--brand-900);
  font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-deep);
  color:rgba(242,247,245,.86);
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:16px;border-radius:12px;}
.footer-name{font-size:1.02rem;font-weight:800;color:#fff;line-height:1.35;}
.footer-sub{font-size:11.5px;color:rgba(242,247,245,.66);}
.footer-text{font-size:13.5px;line-height:1.85;color:rgba(242,247,245,.80);}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:13.5px;color:rgba(242,247,245,.80);}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(242,247,245,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(242,247,245,.66);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .site-container{max-width:1140px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-panel{order:2;}
  .grid-4,.glossary-grid,.guarantee-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-asym{grid-template-columns:repeat(2,minmax(0,1fr));}
  .panel-main{grid-column:span 2;}
  .panel-small{grid-column:span 1;}
  .news-layout{grid-template-columns:1fr;}
  .form-layout{grid-template-columns:1fr;gap:28px;}
  .download-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero{padding:38px 0 52px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .compare-card{grid-template-columns:auto minmax(0,1fr);gap:14px;}
  .compare-link{grid-column:2;justify-self:start;}
  .header-actions .site-btn--ghost{display:none;}
  .nav-toggle{display:flex;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .brand-sub{display:none;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .grid-2,.grid-3,.grid-4,.grid-asym,.glossary-grid,.guarantee-grid,.download-grid{grid-template-columns:1fr;}
  .panel-main,.panel-small{grid-column:span 1;}
  .panel-main{flex-direction:column;gap:14px;}
  .hero-cta .site-btn{width:100%;}
  .hero-flash{width:100%;border-radius:18px;}
  .download-card .site-btn{width:100%;}
  .risk-bar{flex-direction:column;gap:12px;}
  .footer-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .stat-card{padding:20px;}
  .news-icon{display:none;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0E4A3C;
  --brand-700:#17876A;
  --brand-500:#24B48A;
  --brand-grad:linear-gradient(120deg,#0E4A3C 0%,#17876A 55%,#24B48A 100%);
  --accent-500:#E8622C;
  --accent-100:#FDEDE4;
  --bg-page:#F6F4EF;
  --bg-card:#FFFFFF;
  --bg-deep:#0B2B25;
  --line:#E6E1D6;
  --text-900:#12211D;
  --text-600:#5B6B66;
  --text-invert:#F2F7F5;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(14,74,60,.06),0 10px 28px -12px rgba(14,74,60,.18);
  --shadow-2:0 4px 10px rgba(14,74,60,.10),0 18px 40px -16px rgba(14,74,60,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--brand-900);text-decoration:underline;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.1em;}

/* ---------- container ---------- */
.site-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(14,74,60,.10);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:64px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:14px;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;
  box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-name{
  font-size:1.06rem;font-weight:800;color:var(--brand-900);
  line-height:1.25;white-space:nowrap;
}
.brand-sub{font-size:11px;color:var(--text-600);line-height:1.4;white-space:nowrap;}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  cursor:pointer;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .25s var(--ease);}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);}
.site-header.nav-open .mobile-nav{display:block;}
.mobile-nav a{
  display:block;
  padding:13px 20px;
  color:var(--text-900);
  font-size:15px;
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:none;}
.mobile-nav a[aria-current="page"]{color:var(--brand-700);font-weight:700;}

/* chip bar */
.chip-bar-wrap{position:relative;border-top:1px solid var(--line);background:#fff;}
.chip-bar-wrap::before,
.chip-bar-wrap::after{
  content:"";
  position:absolute;top:0;bottom:0;width:24px;pointer-events:none;z-index:2;
}
.chip-bar-wrap::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.chip-bar-wrap::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}
.chip-bar{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  padding-top:10px;
  padding-bottom:10px;
}
.chip-bar::-webkit-scrollbar{display:none;}
.nav-chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-600);
  font-size:13px;
  white-space:nowrap;
  transition:all .25s var(--ease);
}
.nav-chip:hover{background:rgba(36,180,138,.10);color:var(--brand-900);border-color:rgba(36,180,138,.35);text-decoration:none;}
.nav-chip.is-active{background:var(--brand-grad);color:#fff;border-color:transparent;box-shadow:var(--shadow-1);}
.nav-chip.is-active:hover{color:#fff;text-decoration:none;}

/* ---------- buttons ---------- */
.site-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:999px;
  font-size:15px;font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:all .25s var(--ease);
  text-decoration:none;
  white-space:nowrap;
}
.site-btn--primary{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-1);}
.site-btn--primary:hover{color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2);filter:brightness(1.06);}
.site-btn--primary:active{transform:translateY(0);filter:brightness(.97);}
.site-btn--outline{background:#fff;color:var(--brand-700);border-color:rgba(23,135,106,.32);}
.site-btn--outline:hover{background:rgba(36,180,138,.08);color:var(--brand-900);text-decoration:none;transform:translateY(-1px);}
.site-btn--ghost{background:transparent;color:var(--brand-900);border-color:var(--line);}
.site-btn--ghost:hover{background:rgba(36,180,138,.08);text-decoration:none;border-color:rgba(36,180,138,.35);}
.site-btn--sm{min-height:40px;padding:9px 20px;font-size:14px;}
.site-btn--block{width:100%;}

/* ---------- section ---------- */
.section{padding:88px 0;}
.section--page{background:var(--bg-page);}
.section--white{background:#fff;}
.section--deep{background:var(--bg-deep);color:var(--text-invert);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-700);
  background:rgba(36,180,138,.12);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.section--deep .eyebrow{background:rgba(255,255,255,.10);color:var(--text-invert);}
.section-title{
  font-size:clamp(1.45rem,1.1rem + 1.4vw,2rem);
  font-weight:700;line-height:1.3;
  color:var(--brand-900);
  letter-spacing:-.01em;
}
.section--deep .section-title{color:#fff;}
.section-sub{margin-top:12px;font-size:14px;color:var(--text-600);line-height:1.7;}
.section--deep .section-sub{color:rgba(242,247,245,.82);}

/* ---------- page hero band ---------- */
.page-hero{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:52px 0 44px;
}
.page-hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:36px;
  align-items:end;
}
.hero-band{border-left:4px solid var(--brand-500);padding-left:20px;min-width:0;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-600);margin-bottom:14px;
}
.crumb a{color:var(--text-600);}
.crumb a:hover{color:var(--brand-700);}
.crumb span.dot{color:#B9C4BF;}
.page-title{
  font-size:clamp(1.9rem,1.2rem + 2.2vw,2.6rem);
  font-weight:800;line-height:1.22;letter-spacing:-.01em;
  color:var(--brand-900);
}
.page-lead{
  margin-top:14px;
  font-size:15px;line-height:1.8;color:var(--text-600);
  max-width:640px;
}
.stat-pill-group{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;}
.stat-pill{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(36,180,138,.12);
  border-radius:999px;
  padding:9px 16px;
  font-size:12.5px;color:var(--brand-900);
  white-space:nowrap;
}
.stat-pill b{font-size:1.15rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;}
.stat-pill i{font-style:normal;color:var(--text-600);}

/* ---------- chip entry ---------- */
.chip-row{
  display:flex;flex-wrap:wrap;gap:10px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  padding-bottom:2px;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip-row .nav-chip{height:40px;padding:0 18px;font-size:13.5px;}

/* ---------- posts ---------- */
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;flex-direction:column;
  min-width:0;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(36,180,138,.35);}
.post-thumb{
  aspect-ratio:16/10;
  background:var(--brand-grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:14px;letter-spacing:.14em;
  position:relative;
  overflow:hidden;
}
.post-thumb::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.7;
}
.post-thumb span{position:relative;z-index:1;text-shadow:0 1px 6px rgba(0,0,0,.18);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;min-width:0;flex:1;}
.post-tag{
  align-self:flex-start;
  font-size:12px;font-weight:700;color:var(--brand-700);
  background:rgba(36,180,138,.12);
  border-radius:999px;padding:4px 12px;
}
.post-title{
  font-size:1.05rem;font-weight:700;line-height:1.5;color:var(--brand-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-title a{color:inherit;}
.post-title a:hover{color:var(--brand-700);text-decoration:none;}
.post-excerpt{
  font-size:14px;line-height:1.7;color:var(--text-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:10px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-600);
  border-top:1px solid var(--line);
}
.post-more{font-weight:700;color:var(--brand-700);white-space:nowrap;}
.post-more:hover{color:var(--brand-900);}
.empty-state{
  background:var(--bg-card);
  border:1px dashed var(--line);
  border-radius:var(--radius-lg);
  padding:48px 24px;
  text-align:center;
  color:var(--text-600);
  font-size:14px;
}
.empty-state .empty-mark{
  width:52px;height:52px;border-radius:16px;background:rgba(36,180,138,.12);
  color:var(--brand-700);font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 14px;font-size:20px;
}

/* ---------- quick stats ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.stat-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  padding:24px 22px;
  min-width:0;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.stat-num{
  font-size:clamp(1.8rem,1.2rem + 2vw,2.5rem);
  font-weight:800;line-height:1.1;color:var(--brand-900);
  font-variant-numeric:tabular-nums;
}
.stat-num em{font-style:normal;font-size:.9rem;font-weight:700;color:var(--text-600);margin-left:4px;}
.stat-text{margin-top:8px;font-size:13.5px;color:var(--text-600);line-height:1.6;}
.stat-chip{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;
  font-size:12px;color:var(--brand-900);
  background:rgba(36,180,138,.12);
  border-radius:999px;padding:5px 12px;
}
.stat-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);display:block;}

/* ---------- watch list ---------- */
.watch-list{display:grid;gap:14px;}
.watch-item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:18px;
  align-items:start;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  padding:20px 22px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.watch-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(36,180,138,.35);}
.watch-index{
  width:44px;height:44px;flex:0 0 44px;
  border-radius:14px;
  background:var(--brand-grad);
  color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.watch-main{min-width:0;}
.watch-title{font-size:1.05rem;font-weight:700;color:var(--brand-900);line-height:1.5;}
.watch-desc{margin-top:6px;font-size:14px;color:var(--text-600);line-height:1.7;}
.dim-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.dim-tag{
  font-size:12px;color:var(--brand-700);
  background:rgba(36,180,138,.10);
  border:1px solid rgba(36,180,138,.28);
  border-radius:999px;padding:3px 11px;
  white-space:nowrap;
}

/* ---------- dimension cards ---------- */
.dim-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.dim-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:26px 24px;
  min-width:0;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.dim-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.dim-icon{
  width:40px;height:40px;border-radius:12px;
  background:rgba(36,180,138,.12);
  color:var(--brand-700);font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;font-size:15px;
}
.dim-card h3{font-size:1.05rem;font-weight:700;color:var(--brand-900);}
.dim-card p{margin-top:8px;font-size:14px;color:var(--text-600);line-height:1.75;}

/* ---------- glossary ---------- */
.glossary-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.term-item{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow-1);
  padding:16px 18px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.term-item[open]{border-color:rgba(36,180,138,.45);box-shadow:var(--shadow-2);}
.term-item summary{
  cursor:pointer;
  list-style:none;
  font-size:15px;font-weight:700;color:var(--brand-900);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.term-item summary::-webkit-details-marker{display:none;}
.term-item summary::after{
  content:"+";
  font-size:18px;font-weight:700;color:var(--brand-500);
  line-height:1;transition:transform .25s var(--ease);
}
.term-item[open] summary::after{content:"–";}
.term-item p{margin-top:10px;font-size:13.5px;color:var(--text-600);line-height:1.75;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:1px solid var(--line) !important;
  border-radius:var(--radius-md) !important;
  background:var(--bg-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.accordion-button{
  font-size:15.5px;font-weight:700;
  color:var(--brand-900);
  background:var(--bg-card);
  padding:18px 22px;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  color:var(--brand-900);
  background:rgba(36,180,138,.08);
}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;
  transition:transform .25s var(--ease);
}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(36,180,138,.25) !important;}
.accordion-body{
  padding:6px 22px 20px;
  font-size:14.5px;color:var(--text-600);line-height:1.8;
  background:rgba(36,180,138,.04);
}

/* ---------- risk + download ---------- */
.risk-cta{
  background:var(--accent-100);
  border:1px solid rgba(232,98,44,.22);
  border-radius:var(--radius-lg);
  padding:32px;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:32px;
  align-items:center;
}
.risk-head{display:flex;align-items:flex-start;gap:14px;min-width:0;}
.risk-icon{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:14px;
  background:rgba(232,98,44,.16);
  color:var(--accent-500);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;
}
.risk-title{font-size:1.15rem;font-weight:700;color:#8B3A1B;}
.risk-text{margin-top:8px;font-size:14px;color:#7A4A33;line-height:1.75;}
.download-box{display:grid;gap:10px;min-width:0;}
.download-note{font-size:12.5px;color:#8A5B45;line-height:1.6;}
.download-btns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
.download-btns .site-btn{padding:10px 12px;font-size:13.5px;min-height:44px;}
.file-name{font-size:11.5px;color:#8A5B45;text-align:center;font-variant-numeric:tabular-nums;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-deep);
  color:rgba(242,247,245,.88);
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-name{display:block;font-size:15px;font-weight:800;color:#fff;line-height:1.4;}
.footer-sub{display:block;font-size:11.5px;color:rgba(242,247,245,.66);line-height:1.5;}
.footer-text{font-size:13.5px;line-height:1.8;color:rgba(242,247,245,.74);}
.footer-title{font-size:13px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:9px;}
.footer-links a{font-size:13.5px;color:rgba(242,247,245,.78);}
.footer-links a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  margin-top:40px;padding-top:18px;
  border-top:1px solid rgba(242,247,245,.16);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(242,247,245,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .page-hero-inner{grid-template-columns:minmax(0,1fr);gap:24px;align-items:start;}
  .stat-pill-group{justify-content:flex-start;}
  .risk-cta{grid-template-columns:minmax(0,1fr);gap:24px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .page-hero{padding:40px 0 34px;}
  .nav-toggle{display:flex;}
  .header-actions .site-btn--ghost{display:none;}
  .brand-name{font-size:1rem;}
  .dim-grid{grid-template-columns:minmax(0,1fr);}
  .glossary-grid{grid-template-columns:minmax(0,1fr);}
  .download-btns{grid-template-columns:minmax(0,1fr);}
  .watch-item{padding:18px;}
  .risk-cta{padding:24px;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .post-grid{grid-template-columns:minmax(0,1fr);}
  .stat-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .header-actions .site-btn--primary{display:none;}
  .brand-sub{display:none;}
  .page-title{font-size:1.75rem;}
  .site-btn{width:100%;}
  .watch-item{grid-template-columns:minmax(0,1fr);}
  .watch-index{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:14px;}
  .accordion-button{font-size:14.5px;padding:16px 18px;}
  .accordion-body{padding:4px 18px 18px;}
}

/* roulang page: article */
:root{
  --brand-900:#0E4A3C;
  --brand-700:#17876A;
  --brand-500:#24B48A;
  --brand-grad:linear-gradient(120deg,#0E4A3C 0%,#17876A 55%,#24B48A 100%);
  --accent-500:#E8622C;
  --accent-100:#FDEDE4;
  --bg-page:#F6F4EF;
  --bg-card:#FFFFFF;
  --bg-deep:#0B2B25;
  --line:#E6E1D6;
  --text-900:#12211D;
  --text-600:#5B6B66;
  --text-invert:#F2F7F5;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(14,74,60,.06),0 10px 28px -12px rgba(14,74,60,.18);
  --shadow-2:0 4px 10px rgba(14,74,60,.10),0 18px 40px -16px rgba(14,74,60,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg-page);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--brand-900);text-decoration:underline;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--brand-900);font-weight:700;line-height:1.35;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease);}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(14,74,60,.10);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding-top:10px;padding-bottom:10px;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-name{font-size:1.06rem;font-weight:800;color:var(--brand-900);line-height:1.25;white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--text-600);line-height:1.4;white-space:nowrap;}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;
  border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .25s var(--ease);}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);}
.site-header.nav-open .mobile-nav{display:block;}
.mobile-nav a{display:block;padding:13px 20px;color:var(--text-900);font-size:15px;border-bottom:1px solid var(--line);}
.mobile-nav a:last-child{border-bottom:none;}
.mobile-nav a:hover{background:rgba(36,180,138,.08);text-decoration:none;}
.chip-bar-wrap{position:relative;border-top:1px solid var(--line);background:#fff;}
.chip-bar-wrap::before,.chip-bar-wrap::after{content:"";position:absolute;top:0;bottom:0;width:24px;pointer-events:none;z-index:2;}
.chip-bar-wrap::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.chip-bar-wrap::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}
.chip-bar{
  display:flex;align-items:center;gap:10px;overflow-x:auto;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;padding-top:10px;padding-bottom:10px;
}
.chip-bar::-webkit-scrollbar{display:none;}
.nav-chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text-600);
  font-size:13px;white-space:nowrap;transition:all .25s var(--ease);
}
.nav-chip:hover{background:rgba(36,180,138,.10);color:var(--brand-900);border-color:rgba(36,180,138,.35);text-decoration:none;}
.nav-chip.is-active{background:var(--brand-grad);color:#fff;border-color:transparent;box-shadow:var(--shadow-1);}
.nav-chip.is-active:hover{color:#fff;text-decoration:none;}
/* ---------- buttons ---------- */
.site-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:all .25s var(--ease);text-decoration:none;white-space:nowrap;
}
.site-btn--primary{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-1);}
.site-btn--primary:hover{color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2);filter:brightness(1.06);}
.site-btn--primary:active{transform:translateY(0);filter:brightness(.97);}
.site-btn--outline{background:#fff;color:var(--brand-700);border-color:rgba(23,135,106,.32);}
.site-btn--outline:hover{background:rgba(36,180,138,.08);color:var(--brand-900);text-decoration:none;transform:translateY(-1px);}
.site-btn--ghost{background:transparent;color:var(--brand-900);border-color:var(--line);}
.site-btn--ghost:hover{background:rgba(36,180,138,.08);text-decoration:none;border-color:rgba(36,180,138,.35);}
.site-btn--light{background:#fff;color:var(--brand-900);border-color:rgba(255,255,255,.6);box-shadow:var(--shadow-1);}
.site-btn--light:hover{color:var(--brand-900);text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2);background:#F4FBF8;}
.site-btn--sm{min-height:40px;padding:9px 20px;font-size:14px;}
.site-btn--block{width:100%;}
/* ---------- section ---------- */
.section{padding:76px 0;}
.section--page{background:var(--bg-page);}
.section--white{background:#fff;}
.section--deep{background:var(--bg-deep);color:var(--text-invert);}
.section--tight{padding-top:0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-700);background:rgba(36,180,138,.12);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section--deep .eyebrow{background:rgba(255,255,255,.10);color:var(--text-invert);}
.section-title{font-size:clamp(1.45rem,1.1rem + 1.4vw,2rem);font-weight:700;line-height:1.3;color:var(--brand-900);letter-spacing:-.01em;}
.section--deep .section-title{color:#fff;}
.section-sub{margin-top:12px;font-size:14px;color:var(--text-600);line-height:1.7;}
/* ---------- article head ---------- */
.article-head{background:#fff;border-bottom:1px solid var(--line);padding:38px 0 34px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-600);margin-bottom:18px;}
.crumb .sep{color:#C9C2B4;}
.crumb a{color:var(--brand-700);}
.article-h1{
  font-size:clamp(1.55rem,1.05rem + 2vw,2.4rem);
  font-weight:800;line-height:1.32;letter-spacing:-.01em;
  color:var(--brand-900);overflow-wrap:break-word;word-break:normal;max-width:920px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;margin-top:20px;font-size:13px;color:var(--text-600);}
.meta-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(36,180,138,.12);color:var(--brand-900);font-size:12px;font-weight:700;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C9C2B4;flex:0 0 4px;}
/* ---------- article layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;
  padding:52px 0 64px;
}
.article-main{min-width:0;max-width:760px;}
.article-side{min-width:0;position:sticky;top:104px;}
.article-body{font-size:16px;line-height:1.8;color:var(--text-900);overflow-wrap:break-word;}
.article-body h2{
  position:relative;font-size:clamp(1.18rem,1rem + .55vw,1.42rem);
  margin:38px 0 14px;padding-left:14px;line-height:1.45;font-weight:700;color:var(--brand-900);
}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:6px;border-radius:3px;background:var(--brand-grad);}
.article-body h3{font-size:1.08rem;margin:26px 0 12px;color:var(--text-900);font-weight:700;}
.article-body h4{font-size:1rem;margin:20px 0 10px;color:var(--text-900);}
.article-body p{margin:0 0 1em;}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.35em;}
.article-body li{margin-bottom:.45em;}
.article-body blockquote{
  margin:1.2em 0;padding:16px 20px;background:var(--bg-page);
  border-left:3px solid var(--brand-500);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-600);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-sm);margin:1em 0;max-width:100%;height:auto;}
.article-body a{color:var(--brand-700);text-decoration:underline;}
.article-body table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:14px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;}
.article-body th{background:rgba(36,180,138,.10);color:var(--brand-900);font-weight:700;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}
/* ---------- side cards ---------- */
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-1);margin-bottom:20px;
}
.side-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:800;color:var(--brand-900);margin-bottom:14px;}
.side-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);flex:0 0 6px;}
.toc-list{list-style:none;margin:0;padding:0;font-size:13px;}
.toc-list li{margin-bottom:8px;}
.toc-list li:last-child{margin-bottom:0;}
.toc-list a{
  display:block;color:var(--text-600);line-height:1.6;padding:4px 0 4px 10px;
  border-left:2px solid transparent;transition:all .25s var(--ease);
}
.toc-list a:hover,.toc-list a.is-current{color:var(--brand-900);border-left-color:var(--brand-500);text-decoration:none;background:rgba(36,180,138,.06);border-radius:0 8px 8px 0;}
.dl-mini{list-style:none;margin:0;padding:0;}
.dl-mini li{margin-bottom:10px;}
.dl-mini li:last-child{margin-bottom:0;}
.dl-mini a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--bg-page);color:var(--brand-900);font-size:13px;font-weight:700;
  transition:all .25s var(--ease);
}
.dl-mini a:hover{background:#fff;border-color:rgba(36,180,138,.4);box-shadow:var(--shadow-1);text-decoration:none;transform:translateY(-1px);}
.dl-mini span.file{font-size:11px;font-weight:500;color:var(--text-600);word-break:break-all;}
.side-note{font-size:12px;line-height:1.7;color:var(--text-600);margin:12px 0 0;}
/* ---------- risk ---------- */
.risk-note{
  display:flex;gap:14px;background:var(--accent-100);border:1px solid rgba(232,98,44,.22);
  border-radius:var(--radius-md);padding:20px 22px;margin:34px 0 0;
}
.risk-icon{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:rgba(232,98,44,.16);
  color:var(--accent-500);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.risk-note p{margin:0;font-size:13.5px;line-height:1.8;color:#7A3A1E;}
.risk-note strong{color:#8E3C18;}
/* ---------- check grid ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.check-card{
  min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.check-num{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:10px;
  background:rgba(36,180,138,.12);color:var(--brand-900);font-weight:800;font-size:13px;margin-bottom:12px;
}
.check-card h3{font-size:1.02rem;font-weight:700;color:var(--brand-900);margin-bottom:8px;}
.check-card p{margin:0;font-size:13.5px;line-height:1.75;color:var(--text-600);}
/* ---------- terms ---------- */
.term-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.term-item{
  min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 16px 18px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.term-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:rgba(36,180,138,.35);}
.term-name{display:block;font-size:14px;font-weight:800;color:var(--brand-900);}
.term-desc{display:block;margin-top:6px;font-size:12.5px;line-height:1.7;color:var(--text-600);}
/* ---------- faq ---------- */
.faq-list{max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow .25s var(--ease);
}
.faq-item[open]{box-shadow:var(--shadow-2);border-color:rgba(36,180,138,.32);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:15px;color:var(--brand-900);
  display:flex;align-items:center;justify-content:space-between;gap:14px;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-arrow{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:rgba(36,180,138,.14);
  color:var(--brand-700);display:flex;align-items:center;justify-content:center;
  font-size:11px;transition:transform .25s var(--ease);
}
.faq-item[open] .faq-arrow{transform:rotate(180deg);}
.faq-body{padding:0 22px 18px;font-size:14px;line-height:1.85;color:var(--text-600);}
.faq-body p:last-child{margin-bottom:0;}
/* ---------- download band ---------- */
.dl-band{
  background:var(--brand-grad);border-radius:var(--radius-lg);padding:36px;
  display:grid;grid-template-columns:1.1fr 1.9fr;gap:28px;align-items:center;
  box-shadow:var(--shadow-2);color:#fff;
}
.dl-band h2{color:#fff;font-size:clamp(1.3rem,1.05rem + 1vw,1.7rem);margin-bottom:10px;}
.dl-band p{margin:0;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.86);}
.dl-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.dl-card{
  min-width:0;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
  border-radius:var(--radius-md);padding:16px;text-align:center;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.dl-card:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.dl-name{display:block;font-size:14px;font-weight:800;color:#fff;}
.dl-file{display:block;font-size:11px;color:rgba(255,255,255,.75);margin:5px 0 12px;word-break:break-all;}
.dl-card .site-btn{width:100%;padding-left:12px;padding-right:12px;}
.dl-hint{margin-top:18px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.72);}
/* ---------- extra links ---------- */
.link-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:26px;}
.link-row a{font-size:13.5px;font-weight:700;color:var(--brand-700);}
.link-row a:hover{text-decoration:underline;}
/* ---------- empty state ---------- */
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:56px 24px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;border-radius:18px;background:rgba(36,180,138,.12);
  color:var(--brand-700);font-size:22px;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
}
.empty-state h2{font-size:1.15rem;margin-bottom:10px;}
.empty-state p{font-size:14px;color:var(--text-600);margin-bottom:20px;}
/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);color:var(--text-invert);padding:60px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-name{display:block;font-size:.98rem;font-weight:800;color:#fff;line-height:1.35;}
.footer-sub{display:block;font-size:11px;color:rgba(242,247,245,.62);line-height:1.5;}
.footer-text{font-size:13px;line-height:1.85;color:rgba(242,247,245,.72);margin:0 0 .8em;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:13px;color:rgba(242,247,245,.78);}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid rgba(242,247,245,.16);margin-top:38px;padding-top:18px;
  font-size:12px;color:rgba(242,247,245,.62);
}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px;}
  .term-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:991px){
  .header-actions .site-btn--ghost{display:none;}
  .nav-toggle{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:40px 0 56px;}
  .article-side{position:static;}
  .article-main{max-width:100%;}
  .dl-band{grid-template-columns:minmax(0,1fr);padding:28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .term-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .header-actions .site-btn--primary{display:none;}
  .brand-name{font-size:.98rem;}
  .article-head{padding:28px 0 26px;}
  .check-grid{grid-template-columns:minmax(0,1fr);}
  .dl-cards{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .article-body table{display:block;width:100%;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .section{padding:48px 0;}
  .term-grid{grid-template-columns:minmax(0,1fr);}
  .risk-note{flex-direction:column;gap:10px;padding:18px;}
  .dl-band{padding:22px;}
  .faq-item summary{padding:16px 18px;font-size:14.5px;}
  .faq-body{padding:0 18px 16px;}
  .side-card{padding:16px;}
}