/* roulang page: index */
:root{
  --bg-900:#0A1013;
  --bg-800:#0E1619;
  --panel:#121D21;
  --glass:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.08);
  --text-1:#EDF3F4;
  --text-2:#A7B4B9;
  --text-3:#6E7C82;
  --brand:#B4F03C;
  --brand-deep:#7FD12A;
  --accent:#FF8A2B;
  --accent-2:#FF4D6D;
  --data:#2ED9C3;
  --r-card:16px;
  --r-panel:20px;
  --r-pill:999px;
  --r-input:12px;
  --r-badge:6px;
  --shadow:0 20px 40px -24px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(180,240,60,.45),0 10px 30px -10px rgba(180,240,60,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body,
html body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:separate;border-spacing:0}
:focus-visible{outline:2px solid var(--data);outline-offset:2px;border-radius:4px}
.metric-num,.stat-num,.tier-num,.hero-card-list strong,.news-date,.compare-table td{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1280px;margin-inline:auto;padding-inline:20px}
@media (min-width:768px){.container{padding-inline:32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,16,19,.74);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background 180ms ease-out,border-color 180ms ease-out;
}
.site-header.scrolled{background:rgba(10,16,19,.92);border-bottom-color:var(--line)}
.header-inner{padding-block:12px}
.top-row{display:flex;align-items:center;gap:20px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(140deg,rgba(180,240,60,.18),rgba(46,217,195,.12));
  border:1px solid rgba(180,240,60,.32);color:var(--brand);flex-shrink:0;
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.search{
  position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:560px;margin-inline:auto;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-input);
  padding:4px 4px 4px 42px;
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.search:focus-within{border-color:rgba(46,217,195,.55);box-shadow:0 0 0 3px rgba(46,217,195,.12)}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);display:flex;pointer-events:none}
.search input{flex:1;min-width:0;width:100%;background:none;border:0;outline:none;padding:9px 8px;font-size:14px;color:var(--text-1)}
.search input::placeholder{color:var(--text-3)}
.search-btn{
  flex-shrink:0;padding:9px 18px;border-radius:9px;background:var(--brand);color:#0A1013;
  font-size:14px;font-weight:700;transition:background 180ms ease-out,box-shadow 180ms ease-out;
}
.search-btn:hover{background:var(--brand-deep);box-shadow:var(--glow)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn-outline-sm,.btn-solid-sm{
  display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 18px;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;white-space:nowrap;
  transition:background 180ms ease-out,border-color 180ms ease-out,color 180ms ease-out,box-shadow 180ms ease-out;
}
.btn-outline-sm{border:1px solid var(--line);color:var(--text-1)}
.btn-outline-sm:hover{border-color:rgba(180,240,60,.5);color:var(--brand);background:rgba(180,240,60,.05)}
.btn-solid-sm{background:var(--brand);color:#0A1013}
.btn-solid-sm:hover{background:var(--brand-deep);box-shadow:var(--glow)}
.cat-nav{display:flex;align-items:center;gap:30px;margin-top:10px;overflow-x:auto;scrollbar-width:none}
.cat-nav::-webkit-scrollbar{display:none}
.cat-link{
  position:relative;padding:8px 0;font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:color 180ms ease-out;
}
.cat-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform 180ms ease-out;
  box-shadow:0 0 12px rgba(180,240,60,.7);
}
.cat-link:hover{color:var(--text-1)}
.cat-link.is-active{color:var(--brand)}
.cat-link.is-active::after{transform:scaleX(1)}
.menu-toggle{
  display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  border-radius:10px;border:1px solid var(--line);margin-left:auto;flex-shrink:0;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;transition:transform 180ms ease-out,opacity 180ms ease-out}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:1023px){
  .menu-toggle{display:flex}
  .cat-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;margin-top:0;
    background:var(--bg-800);border-bottom:1px solid var(--line);
    padding:6px 20px 14px;
    max-height:0;overflow:hidden;opacity:0;pointer-events:none;
    transition:max-height 240ms ease-out,opacity 180ms ease-out;
  }
  .cat-nav.open{max-height:460px;opacity:1;pointer-events:auto}
  .cat-link{display:flex;align-items:center;min-height:52px;padding:0;font-size:15px;border-bottom:1px solid var(--line)}
  .cat-link:last-child{border-bottom:0}
  .cat-link::after{display:none}
}
@media (max-width:900px){
  .top-row{flex-wrap:wrap}
  .search{order:3;flex-basis:100%;max-width:none;margin:10px 0 0}
  .header-actions{display:none}
}

/* ---------- hero ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-media{
  position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(180deg,rgba(10,16,19,.60) 0%,rgba(10,16,19,.90) 58%,#0A1013 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center 32%;
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 28px);
  pointer-events:none;
}
.hero-arc{position:absolute;left:0;right:0;bottom:0;width:100%;height:150px;z-index:0;pointer-events:none}
.hero-inner{position:relative;z-index:1;padding-block:52px 68px;display:grid;gap:36px}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:48px;padding-block:76px 92px;align-items:start}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(46,217,195,.28);background:rgba(46,217,195,.08);
  color:var(--data);font-size:13px;letter-spacing:.02em;
}
.hero-title{
  margin-top:18px;font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  text-shadow:0 2px 24px rgba(0,0,0,.55);
}
.hero-sub{margin-top:18px;max-width:44em;color:var(--text-2);font-size:16px}
@media (min-width:768px){.hero-sub{font-size:17px}}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 28px;
  border-radius:var(--r-pill);background:var(--brand);color:#0A1013;font-weight:700;font-size:15px;
  transition:background 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out;
}
.btn-primary:hover{background:var(--brand-deep);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;
  border-radius:var(--r-pill);border:1px solid var(--line);color:var(--text-1);font-weight:600;font-size:15px;
  transition:border-color 180ms ease-out,color 180ms ease-out,background 180ms ease-out;
}
.btn-ghost:hover{border-color:rgba(180,240,60,.5);color:var(--brand);background:rgba(180,240,60,.05)}
.btn-block{width:100%}
.hero-points{margin-top:30px;display:grid;gap:10px}
.hero-points li{position:relative;padding-left:22px;color:var(--text-2);font-size:14px}
.hero-points li::before{
  content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:2px;
  background:var(--brand);transform:rotate(45deg);
}
.glass{
  border:1px solid rgba(255,255,255,.1);background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-radius:var(--r-panel);box-shadow:var(--shadow);
}
.hero-card{padding:26px}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.badge-brand{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-badge);
  border:1px solid rgba(180,240,60,.32);background:rgba(180,240,60,.1);color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.hero-card-note{font-size:13px;color:var(--text-3)}
.hero-card-list{margin-top:18px;display:grid;gap:1px;background:var(--line);border-radius:var(--r-input);overflow:hidden}
.hero-card-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;background:rgba(18,29,33,.76);font-size:14px}
.hero-card-list li span{color:var(--text-2)}
.hero-card-list li strong{color:var(--text-1);font-weight:700}
.hero-metric{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);display:flex;align-items:baseline;gap:12px}
.metric-num{font-size:40px;font-weight:800;line-height:1;color:var(--brand);letter-spacing:-.02em}
.metric-label{font-size:13px;color:var(--text-2)}

/* ---------- sections ---------- */
.section{padding-block:64px;border-bottom:1px solid var(--line)}
@media (min-width:1024px){.section{padding-block:96px}}
.section-alt{background:var(--bg-800)}
.section-head{max-width:780px;margin-bottom:36px}
.section-title{position:relative;padding-left:18px;font-size:clamp(23px,3vw,32px);font-weight:800;letter-spacing:-.01em;line-height:1.32}
.section-title::before{
  content:"";position:absolute;left:0;top:.26em;width:4px;height:18px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 12px rgba(180,240,60,.5);
}
.section-desc{margin-top:14px;color:var(--text-2);font-size:15px;max-width:62em}
.panel-pad{padding:18px}
@media (min-width:768px){.panel-pad{padding:28px}}

/* ---------- compare table ---------- */
.table-scroll{overflow-x:auto;scrollbar-width:thin}
.table-scroll::-webkit-scrollbar{height:8px}
.table-scroll::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:8px}
.table-scroll::-webkit-scrollbar-thumb{background:rgba(180,240,60,.32);border-radius:8px}
.compare-table{width:100%;min-width:720px;font-size:14px}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.compare-table thead th{
  background:var(--bg-800);font-weight:700;font-size:14px;white-space:nowrap;
}
.compare-table thead th:first-child{border-top-left-radius:12px}
.compare-table thead th:last-child{border-top-right-radius:12px}
.compare-table tbody tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.compare-table tbody tr:hover td{background:rgba(180,240,60,.06)}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table td:first-child{color:var(--text-2)}
.compare-table tbody tr td:nth-child(3){background:rgba(180,240,60,.045)}
.compare-table thead th:nth-child(3){
  background:rgba(180,240,60,.12);color:var(--brand);
  box-shadow:inset 1px 0 0 rgba(180,240,60,.45),inset -1px 0 0 rgba(180,240,60,.45),inset 0 1px 0 rgba(180,240,60,.45);
}
.compare-table tbody td:nth-child(3){
  box-shadow:inset 1px 0 0 rgba(180,240,60,.22),inset -1px 0 0 rgba(180,240,60,.22);
}
.rec-badge{
  display:inline-flex;height:20px;align-items:center;padding:0 8px;margin-right:8px;border-radius:5px;
  background:var(--brand);color:#0A1013;font-size:11px;font-weight:800;vertical-align:middle;
}
.tick{display:inline-block;width:18px;height:18px;position:relative;vertical-align:middle}
.tick::after{
  content:"";position:absolute;left:5px;top:1px;width:6px;height:11px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(40deg);
}
.dash{display:inline-block;width:14px;height:2px;border-radius:2px;background:var(--text-3);vertical-align:middle}

/* ---------- tiers ---------- */
.tier-grid{display:grid;gap:24px}
@media (min-width:1024px){.tier-grid{grid-template-columns:1fr 1.85fr 1fr;align-items:stretch}}
.tier-card{
  display:flex;flex-direction:column;padding:26px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);
  transition:transform 180ms ease-out,border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.tier-card:hover{transform:translateY(-4px);border-color:rgba(180,240,60,.4)}
.tier-featured{
  border-color:rgba(180,240,60,.45);
  background:linear-gradient(160deg,rgba(180,240,60,.1) 0%,rgba(18,29,33,1) 62%);
}
.tier-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tier-name{font-size:20px;font-weight:800}
.tier-count{margin-top:8px;font-size:13px;color:var(--data);font-variant-numeric:tabular-nums}
.tier-list{margin-top:18px;display:grid;gap:12px}
.tier-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.tier-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.tier-num{
  margin-top:auto;padding-top:24px;font-size:34px;font-weight:800;color:var(--brand);line-height:1;letter-spacing:-.02em;
}
.tier-num small{display:block;margin-top:8px;font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:0;line-height:1.6}

/* ---------- bento ---------- */
.bento{display:grid;gap:24px;grid-template-columns:repeat(4,1fr)}
.bento-card{
  position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);
  background:var(--panel);box-shadow:var(--shadow);
  transition:transform 180ms ease-out,border-color 180ms ease-out;
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(180,240,60,.4)}
.bento-card img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out}
.bento-card:hover img{transform:scale(1.03)}
.bento-a{grid-column:span 2;grid-row:span 2;min-height:430px}
.bento-b,.bento-c{grid-column:span 2;min-height:205px}
.bento-d{grid-column:span 4}
.bento-overlay{
  position:absolute;inset:0;padding:24px;display:flex;flex-direction:column;justify-content:flex-end;gap:10px;
  background:linear-gradient(180deg,rgba(10,16,19,.02) 18%,rgba(10,16,19,.74) 60%,rgba(10,16,19,.96) 100%);
}
.bento-overlay h3{font-size:17px;font-weight:800;line-height:1.45}
.bento-a .bento-overlay h3{font-size:22px}
.bento-overlay p{font-size:13.5px;color:var(--text-2);max-width:52em;line-height:1.75}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;width:fit-content;
  background:rgba(46,217,195,.08);color:var(--data);border:1px solid rgba(46,217,195,.2);
}
.tag-hot{background:rgba(255,138,43,.1);color:var(--accent);border-color:rgba(255,138,43,.25)}
.bento-d{display:grid}
@media (min-width:768px){.bento-d{grid-template-columns:300px 1fr}}
.bento-d img{height:100%;min-height:180px}
.bento-d-body{padding:26px;display:flex;flex-direction:column;gap:10px;justify-content:center}
.bento-d-body h3{font-size:20px;font-weight:800}
.bento-d-body p{font-size:14px;color:var(--text-2)}
@media (max-width:1023px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-a{grid-column:span 2;grid-row:auto;min-height:330px}
  .bento-b,.bento-c{grid-column:span 1}
  .bento-d{grid-column:span 2}
}
@media (max-width:640px){
  .bento{grid-template-columns:1fr}
  .bento-a,.bento-b,.bento-c,.bento-d{grid-column:span 1}
}

/* ---------- stats ---------- */
.stat-strip{
  display:grid;gap:1px;grid-template-columns:repeat(2,1fr);
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-panel);overflow:hidden;
}
@media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.stat-item{background:var(--bg-800);padding:28px 22px;text-align:center}
.section-alt .stat-item{background:var(--bg-900)}
.stat-num{font-size:clamp(28px,4vw,40px);font-weight:800;color:var(--brand);line-height:1;letter-spacing:-.02em}
.stat-label{margin-top:10px;font-size:13.5px;color:var(--text-2)}

/* ---------- news ---------- */
.news-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;gap:12px;padding:24px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);
  transition:transform 180ms ease-out,border-color 180ms ease-out;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(180,240,60,.4)}
.news-card h3{
  font-size:17px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-date{margin-top:auto;font-size:13px;color:var(--text-3)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:18px;padding:56px 24px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--r-panel);background:var(--panel);
}
.empty-state p{color:var(--text-2);font-size:15px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:960px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:rgba(255,255,255,.03);
  transition:border-color 180ms ease-out;
}
.faq-item.open{border-color:rgba(180,240,60,.35)}
.faq-q{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;
  min-height:58px;padding:18px 22px;text-align:left;font-size:15.5px;font-weight:600;
  transition:color 180ms ease-out;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform 200ms ease-out;
}
.faq-item.open .faq-q::before{transform:scaleY(1)}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;flex-shrink:0;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform 180ms ease-out,background 180ms ease-out}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::before{background:var(--brand)}
.faq-item.open .faq-icon::after{background:var(--brand);transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease-out}
.faq-item.open .faq-a{max-height:460px}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-wrap{display:grid;gap:32px;padding:26px;border-radius:var(--r-panel)}
@media (min-width:1024px){
  .cta-wrap{grid-template-columns:1.2fr 1fr;gap:48px;padding:44px;align-items:center}
}
.cta-copy p{margin-top:14px;color:var(--text-2);font-size:15px;max-width:52em}
.cta-list{margin-top:22px;display:grid;gap:12px}
.cta-list li{position:relative;padding-left:20px;font-size:14px;color:var(--text-2)}
.cta-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--data)}
.cta-form{
  display:grid;gap:8px;padding:24px;border-radius:var(--r-card);
  border:1px solid var(--line);background:rgba(18,29,33,.78);
}
.cta-form label{font-size:13px;color:var(--text-2);margin-top:8px}
.cta-form input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:rgba(10,16,19,.72);
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{outline:none;border-color:var(--data);box-shadow:0 0 0 3px rgba(46,217,195,.16)}
.code-row{display:flex;gap:10px}
.code-row input{flex:1;min-width:0}
.btn-code{min-height:48px;padding:0 16px;font-size:14px;white-space:nowrap;flex-shrink:0}
.cta-form .btn-primary{margin-top:18px}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:2px;line-height:1.7}

/* ---------- footer ---------- */
.site-footer{background:#070C0E;border-top:1px solid var(--line)}
.footer-grid{display:grid;gap:34px;padding-block:56px 40px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}}
.footer-brand .logo-text{font-size:20px}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--text-2);max-width:36em}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col a,.footer-col p{display:block;font-size:14px;color:var(--text-2);margin-bottom:10px;transition:color 180ms ease-out}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{border-top:1px solid var(--line)}
.footer-bottom-inner{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-block:18px;font-size:13px;color:var(--text-3);
}
.footer-bottom-inner a{color:var(--data)}
.footer-bottom-inner a:hover{text-decoration:underline}

/* roulang page: category1 */
:root{
    --bg-900:#0A1013;
    --bg-800:#0E1619;
    --panel:#121D21;
    --glass:rgba(255,255,255,.05);
    --line:rgba(255,255,255,.08);
    --text-1:#EDF3F4;
    --text-2:#A7B4B9;
    --text-3:#6E7C82;
    --brand:#B4F03C;
    --brand-deep:#7FD12A;
    --accent:#FF8A2B;
    --accent-2:#FF4D6D;
    --data:#2ED9C3;
    --r-card:16px;
    --r-panel:20px;
    --r-btn:999px;
    --r-input:12px;
    --r-badge:6px;
    --shadow:0 20px 40px -24px rgba(0,0,0,.8);
    --glow:0 0 0 1px rgba(180,240,60,.45), 0 10px 30px -10px rgba(180,240,60,.5);
    --container:1280px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg-900);
    color:var(--text-1);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color 180ms ease-out}
  a:hover{color:var(--brand)}
  button{font-family:inherit;cursor:pointer}
  input{font-family:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;line-height:1.28}
  p{margin:0}
  :focus-visible{outline:2px solid var(--data);outline-offset:2px;border-radius:4px}
  .num{font-variant-numeric:tabular-nums}

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 20px;
  }
  @media (min-width:1024px){
    .container{padding:0 32px}
  }

  /* ============ 头部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(10,16,19,.72);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:background 220ms ease-out, box-shadow 220ms ease-out;
  }
  .site-header.is-scrolled{
    background:rgba(10,16,19,.9);
    box-shadow:0 12px 30px -22px rgba(0,0,0,.95);
  }
  .header-top{
    display:flex;
    align-items:center;
    gap:16px;
    padding-top:12px;
    padding-bottom:12px;
  }
  .logo{
    display:flex;
    align-items:center;
    gap:9px;
    flex-shrink:0;
    font-weight:800;
    font-size:19px;
    letter-spacing:-0.01em;
    color:var(--text-1);
  }
  .logo-mark{
    width:12px;height:12px;
    border-radius:3px;
    background:var(--brand);
    box-shadow:0 0 14px rgba(180,240,60,.7);
    transform:rotate(45deg);
  }
  .logo:hover{color:var(--brand)}
  .logo-text{white-space:nowrap}

  .search-wrap{
    position:relative;
    display:none;
    flex:1 1 auto;
    max-width:560px;
    margin:0 auto;
  }
  .search-wrap .search-icon{
    position:absolute;
    left:14px;top:50%;
    transform:translateY(-50%);
    width:18px;height:18px;
    stroke:var(--text-3);
    pointer-events:none;
  }
  .search-input{
    width:100%;
    height:44px;
    padding:0 96px 0 42px;
    background:var(--bg-800);
    border:1px solid var(--line);
    border-radius:var(--r-input);
    color:var(--text-1);
    font-size:14px;
    transition:border-color 180ms ease-out, box-shadow 180ms ease-out;
  }
  .search-input::placeholder{color:var(--text-3)}
  .search-input:focus{
    outline:none;
    border-color:var(--data);
    box-shadow:0 0 0 3px rgba(46,217,195,.14);
  }
  .search-btn{
    position:absolute;
    right:6px;top:50%;
    transform:translateY(-50%);
    height:32px;
    padding:0 16px;
    border:none;
    border-radius:var(--r-btn);
    background:var(--brand);
    color:var(--bg-900);
    font-size:13px;
    font-weight:800;
    transition:background 180ms ease-out, box-shadow 180ms ease-out;
  }
  .search-btn:hover{background:var(--brand-deep);box-shadow:0 0 0 1px rgba(180,240,60,.45),0 10px 30px -10px rgba(180,240,60,.5)}

  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:0 22px;
    border-radius:var(--r-btn);
    font-size:14px;
    font-weight:700;
    border:1px solid transparent;
    transition:all 180ms ease-out;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--brand);
    color:var(--bg-900);
  }
  .btn-primary:hover{
    background:var(--brand-deep);
    color:var(--bg-900);
    box-shadow:0 0 0 1px rgba(180,240,60,.45),0 10px 30px -10px rgba(180,240,60,.5);
  }
  .btn-ghost{
    background:transparent;
    border-color:var(--line);
    color:var(--text-1);
  }
  .btn-ghost:hover{border-color:rgba(180,240,60,.5);color:var(--brand)}
  .btn-sm{min-height:40px;padding:0 18px;font-size:13px}

  .hamburger{
    display:inline-flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:44px;height:44px;
    margin-left:auto;
    background:var(--bg-800);
    border:1px solid var(--line);
    border-radius:12px;
    padding:0 11px;
  }
  .hamburger span{
    display:block;height:2px;border-radius:2px;background:var(--text-1);
    transition:transform 180ms ease-out, opacity 180ms ease-out;
  }

  .search-mobile{
    display:block;
    padding-bottom:12px;
  }
  .search-mobile .search-wrap{display:block;max-width:none;margin:0}

  .cat-nav{
    display:flex;
    align-items:center;
    gap:6px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
    border-top:1px solid var(--line);
    padding:4px 0;
    position:relative;
  }
  .cat-nav::-webkit-scrollbar{display:none}
  .cat-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:48px;
    padding:0 14px;
    font-size:14px;
    color:var(--text-2);
    white-space:nowrap;
    transition:color 180ms ease-out;
  }
  .cat-link::after{
    content:"";
    position:absolute;
    left:14px;right:14px;bottom:6px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
    box-shadow:0 0 10px rgba(180,240,60,.8);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform 180ms ease-out;
  }
  .cat-link:hover{color:var(--text-1)}
  .cat-link.is-active{color:var(--brand);font-weight:700}
  .cat-link.is-active::after{transform:scaleX(1)}

  /* 移动端抽屉 */
  .drawer{
    position:fixed;
    inset:0;
    z-index:120;
    background:rgba(8,13,15,.98);
    backdrop-filter:blur(10px);
    padding:18px 20px 32px;
    display:none;
    flex-direction:column;
    gap:14px;
    overflow-y:auto;
  }
  .drawer.is-open{display:flex}
  .drawer-head{display:flex;align-items:center;justify-content:space-between}
  .drawer-close{
    width:44px;height:44px;
    background:var(--bg-800);
    border:1px solid var(--line);
    border-radius:12px;
    color:var(--text-1);
    font-size:20px;
    line-height:1;
  }
  .drawer-link{
    display:flex;
    align-items:center;
    min-height:48px;
    padding:0 14px;
    border-radius:12px;
    border:1px solid var(--line);
    background:var(--bg-800);
    font-size:15px;
    color:var(--text-2);
  }
  .drawer-link.is-active{color:var(--brand);border-color:rgba(180,240,60,.45)}

  @media (min-width:768px){
    .header-top{padding-top:14px;padding-bottom:14px}
    .search-wrap{display:block}
    .search-mobile{display:none}
    .hamburger{display:none}
  }
  @media (min-width:1024px){
    .cat-link{font-size:14.5px;padding:0 16px}
  }

  /* ============ 通用板块 ============ */
  .section{padding:64px 0}
  @media (min-width:1024px){.section{padding:96px 0}}
  .section-alt{background:var(--bg-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-head{margin-bottom:32px;max-width:760px}
  .section-title{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:26px;
    color:var(--text-1);
  }
  @media (min-width:1024px){.section-title{font-size:32px}}
  .section-title::before{
    content:"";
    width:4px;height:20px;
    border-radius:2px;
    background:var(--brand);
    flex-shrink:0;
  }
  .section-sub{margin-top:12px;color:var(--text-2);font-size:15px}
  .card{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    box-shadow:var(--shadow);
    transition:transform 180ms ease-out, border-color 180ms ease-out;
  }
  .card:hover{transform:translateY(-4px);border-color:rgba(180,240,60,.4)}
  .badge{
    display:inline-flex;
    align-items:center;
    height:24px;
    padding:0 10px;
    border-radius:var(--r-badge);
    font-size:12px;
    font-weight:700;
    background:rgba(46,217,195,.1);
    color:var(--data);
    border:1px solid rgba(46,217,195,.22);
  }
  .badge-hot{
    background:rgba(255,138,43,.12);
    color:var(--accent);
    border-color:rgba(255,138,43,.28);
  }
  .badge-level{
    background:var(--glass);
    color:var(--brand);
    border:1px solid rgba(180,240,60,.3);
  }

  /* ============ Hero ============ */
  .hero{
    position:relative;
    overflow:hidden;
    border-bottom:1px solid var(--line);
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
  }
  .hero::before{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg, rgba(10,16,19,.72) 0%, rgba(10,16,19,.88) 55%, #0A1013 100%);
  }
  .hero::after{
    content:"";
    position:absolute;inset:0;
    background-image:repeating-linear-gradient(115deg, rgba(255,255,255,.035) 0 1px, transparent 1px 46px);
    pointer-events:none;
  }
  .hero-inner{
    position:relative;
    z-index:2;
    display:grid;
    gap:28px;
    padding:56px 0 60px;
  }
  @media (min-width:1024px){
    .hero-inner{
      grid-template-columns:1.55fr 1fr;
      align-items:center;
      padding:72px 0 76px;
      gap:48px;
    }
  }
  .crumb{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:13px;
    color:var(--text-3);
    margin-bottom:18px;
    flex-wrap:wrap;
  }
  .crumb li{display:inline-flex;align-items:center;gap:10px}
  .crumb li+li::before{content:"/";color:var(--text-3)}
  .crumb a:hover{color:var(--data)}
  .crumb [aria-current]{color:var(--text-2)}
  .hero h1{
    font-size:34px;
    color:#fff;
    text-shadow:0 2px 18px rgba(0,0,0,.6);
  }
  @media (min-width:640px){.hero h1{font-size:42px}}
  @media (min-width:1024px){.hero h1{font-size:52px}}
  .hero-desc{
    margin-top:18px;
    max-width:660px;
    color:#DCE6E8;
    font-size:16px;
    line-height:1.9;
  }
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .tag{
    display:inline-flex;
    align-items:center;
    height:30px;
    padding:0 12px;
    border-radius:var(--r-badge);
    background:rgba(10,16,19,.55);
    border:1px solid var(--line);
    color:var(--text-2);
    font-size:13px;
  }
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

  .glass-card{
    background:var(--glass);
    border:1px solid rgba(255,255,255,.14);
    border-radius:var(--r-panel);
    box-shadow:var(--shadow);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    padding:24px;
  }
  .glass-card h2{
    font-size:16px;
    color:var(--text-1);
    margin-bottom:16px;
  }
  .glass-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:11px 0;
    border-bottom:1px dashed rgba(255,255,255,.1);
    font-size:14px;
  }
  .glass-row:last-of-type{border-bottom:none}
  .glass-row span:first-child{color:var(--text-2)}
  .glass-row strong{color:var(--text-1);font-weight:700}
  .glass-stat{
    margin-top:16px;
    padding-top:16px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:12px;
  }
  .glass-stat .big{
    font-size:40px;
    font-weight:800;
    line-height:1;
    color:var(--brand);
    font-variant-numeric:tabular-nums;
  }
  .glass-stat .unit{font-size:13px;color:var(--text-3);margin-top:8px}

  /* ============ 锚点条 ============ */
  .anchor-bar{
    background:var(--bg-800);
    border-bottom:1px solid var(--line);
  }
  .anchor-inner{
    display:flex;
    align-items:center;
    gap:10px;
    overflow-x:auto;
    scrollbar-width:none;
    padding:12px 0;
  }
  .anchor-inner::-webkit-scrollbar{display:none}
  .anchor-btn{
    display:inline-flex;
    align-items:center;
    height:38px;
    padding:0 16px;
    border-radius:var(--r-btn);
    border:1px solid var(--line);
    color:var(--text-2);
    font-size:13.5px;
    white-space:nowrap;
    transition:all 180ms ease-out;
  }
  .anchor-btn:hover{color:var(--brand);border-color:rgba(180,240,60,.5)}

  /* ============ Bento 数据区 ============ */
  .bento{
    display:grid;
    gap:20px;
    grid-template-columns:1fr;
  }
  @media (min-width:1024px){
    .bento{grid-template-columns:2fr 1fr;gap:24px}
  }
  .data-panel{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--r-panel);
    padding:26px;
    box-shadow:var(--shadow);
  }
  @media (min-width:1024px){.data-panel{padding:32px}}
  .panel-head{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
  }
  .panel-head h3{font-size:19px}
  .panel-head p{color:var(--text-3);font-size:13px;margin-top:6px}
  .stat-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:16px;
    margin-top:24px;
  }
  @media (min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
  .stat{
    padding:16px;
    border-radius:var(--r-card);
    background:var(--bg-800);
    border:1px solid var(--line);
  }
  .stat .label{font-size:13px;color:var(--text-3)}
  .stat .value{
    margin-top:8px;
    font-size:28px;
    font-weight:800;
    line-height:1.1;
    color:var(--text-1);
    font-variant-numeric:tabular-nums;
  }
  .stat .value.lime{color:var(--brand)}
  .stat .value.cyan{color:var(--data)}
  .stat .value.amber{color:var(--accent)}
  .stat .delta{font-size:12.5px;color:var(--text-3);margin-top:6px;font-variant-numeric:tabular-nums}

  .chart-wrap{
    margin-top:24px;
    padding:18px;
    border-radius:var(--r-card);
    background:var(--bg-800);
    border:1px solid var(--line);
  }
  .chart-head{
    display:flex;align-items:center;justify-content:space-between;
    gap:12px;flex-wrap:wrap;margin-bottom:8px;
  }
  .chart-head h4{font-size:14px;color:var(--text-2);font-weight:700}
  .legend{display:flex;align-items:center;gap:16px;font-size:12.5px;color:var(--text-3)}
  .legend i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:6px}
  .legend .l1{background:var(--data)}
  .legend .l2{background:var(--brand)}
  .chart-svg{width:100%;height:auto;display:block}

  .side-cards{display:grid;gap:20px;align-content:start}
  .mini-card{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:22px;
    box-shadow:var(--shadow);
    transition:transform 180ms ease-out, border-color 180ms ease-out;
  }
  .mini-card:hover{transform:translateY(-4px);border-color:rgba(180,240,60,.4)}
  .mini-card h3{font-size:17px;margin-bottom:10px}
  .mini-card p{color:var(--text-2);font-size:14px}
  .mini-list{margin-top:14px;display:grid;gap:10px}
  .mini-list li{
    display:flex;align-items:center;justify-content:space-between;
    gap:10px;font-size:13.5px;color:var(--text-2);
    padding-bottom:10px;border-bottom:1px dashed var(--line);
  }
  .mini-list li:last-child{border-bottom:none;padding-bottom:0}
  .mini-list b{color:var(--text-1);font-variant-numeric:tabular-nums}

  /* ============ 项目分区 ============ */
  .proj-grid{
    display:grid;
    gap:20px;
    grid-template-columns:1fr;
  }
  @media (min-width:640px){.proj-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.proj-grid{grid-template-columns:repeat(4,1fr)}}
  .proj-card{
    overflow:hidden;
    display:flex;
    flex-direction:column;
  }
  .proj-cover{
    position:relative;
    aspect-ratio:16/9;
    overflow:hidden;
  }
  .proj-cover img{
    width:100%;height:100%;object-fit:cover;
    transition:transform 300ms ease-out;
  }
  .proj-card:hover .proj-cover img{transform:scale(1.03)}
  .proj-cover::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg, rgba(10,16,19,0) 35%, rgba(10,16,19,.85) 100%);
  }
  .proj-cover .badge{
    position:absolute;
    left:12px;top:12px;
    z-index:2;
  }
  .proj-body{padding:20px}
  .proj-body h3{font-size:18px;margin-bottom:10px}
  .proj-body p{color:var(--text-2);font-size:14px}
  .proj-meta{
    margin-top:16px;
    display:flex;align-items:center;gap:14px;
    font-size:12.5px;color:var(--text-3);
  }
  .proj-meta b{color:var(--data);font-variant-numeric:tabular-nums}

  /* ============ 要点清单 ============ */
  .points{display:grid;gap:18px;grid-template-columns:1fr}
  @media (min-width:1024px){.points{grid-template-columns:repeat(2,1fr);gap:20px 32px}}
  .point{
    display:flex;
    gap:18px;
    padding:22px;
    border-radius:var(--r-card);
    background:var(--panel);
    border:1px solid var(--line);
  }
  .point .idx{
    flex-shrink:0;
    font-size:26px;
    font-weight:800;
    color:var(--data);
    line-height:1.1;
    font-variant-numeric:tabular-nums;
  }
  .point h3{font-size:17px;margin-bottom:8px}
  .point p{color:var(--text-2);font-size:14.5px}

  /* ============ FAQ ============ */
  .faq-group{
    background:var(--glass);
    border:1px solid rgba(255,255,255,.12);
    border-radius:var(--r-panel);
    padding:8px;
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
  }
  .faq-item{border-bottom:1px solid var(--line);position:relative}
  .faq-item:last-child{border-bottom:none}
  .faq-item::before{
    content:"";
    position:absolute;left:0;top:10px;bottom:10px;
    width:3px;border-radius:3px;
    background:var(--brand);
    opacity:0;
    transition:opacity 180ms ease-out;
  }
  .faq-item.is-open::before{opacity:1}
  .faq-btn{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:56px;
    padding:16px 18px;
    background:none;
    border:none;
    color:var(--text-1);
    font-size:16px;
    font-weight:700;
    text-align:left;
  }
  .faq-btn:hover{color:var(--brand)}
  .faq-sign{
    position:relative;
    width:20px;height:20px;
    flex-shrink:0;
  }
  .faq-sign::before,.faq-sign::after{
    content:"";
    position:absolute;
    background:var(--brand);
    border-radius:2px;
    transition:transform 180ms ease-out, opacity 180ms ease-out;
  }
  .faq-sign::before{left:0;top:9px;width:20px;height:2px}
  .faq-sign::after{top:0;left:9px;width:2px;height:20px}
  .faq-item.is-open .faq-sign::after{transform:rotate(90deg);opacity:0}
  .faq-panel{
    max-height:0;
    overflow:hidden;
    transition:max-height 260ms ease-out;
  }
  .faq-panel p{
    padding:0 18px 20px;
    color:var(--text-2);
    font-size:15px;
    line-height:1.8;
  }

  /* ============ CTA 条 ============ */
  .cta-band{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--r-panel);
    padding:28px;
    box-shadow:var(--shadow);
    display:grid;
    gap:22px;
    align-items:center;
  }
  @media (min-width:1024px){
    .cta-band{
      grid-template-columns:1.4fr auto;
      padding:36px 40px;
      gap:32px;
      background-image:linear-gradient(90deg, rgba(180,240,60,.06), rgba(46,217,195,.05));
    }
  }
  .cta-band h2{font-size:24px}
  @media (min-width:1024px){.cta-band h2{font-size:28px}}
  .cta-band p{color:var(--text-2);font-size:15px;margin-top:10px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

  /* ============ 页脚 ============ */
  .site-footer{
    background:#070C0E;
    border-top:1px solid var(--line);
    margin-top:0;
  }
  .footer-grid{
    display:grid;
    gap:32px;
    padding:56px 20px 40px;
    grid-template-columns:1fr;
  }
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 32px 48px}
  }
  .footer-brand .logo-text{
    display:inline-block;
    font-size:20px;
    font-weight:800;
    color:var(--text-1);
    margin-bottom:14px;
  }
  .footer-brand p{color:var(--text-2);font-size:14px;max-width:360px}
  .footer-col h3{
    font-size:15px;
    color:var(--text-1);
    margin-bottom:16px;
  }
  .footer-col a,.footer-col p{
    display:block;
    color:var(--text-2);
    font-size:14px;
    padding:5px 0;
  }
  .footer-col a:hover{color:var(--brand)}
  .footer-bottom{
    border-top:1px solid var(--line);
    padding:18px 0;
  }
  .footer-bottom-inner{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    font-size:13px;
    color:var(--text-3);
  }
  .footer-bottom-inner a{color:var(--text-3)}
  .footer-bottom-inner a:hover{color:var(--brand)}

  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;animation:none !important}
    html{scroll-behavior:auto}
  }

/* roulang page: article */
:root{
  --bg-900:#0A1013;
  --bg-800:#0E1619;
  --panel:#121D21;
  --glass:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.08);
  --text-1:#EDF3F4;
  --text-2:#A7B4B9;
  --text-3:#6E7C82;
  --brand:#B4F03C;
  --brand-deep:#7FD12A;
  --accent:#FF8A2B;
  --accent-2:#FF4D6D;
  --data:#2ED9C3;
  --shadow:0 20px 40px -24px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(180,240,60,.45),0 10px 30px -10px rgba(180,240,60,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:800}
:focus-visible{outline:2px solid var(--data);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,16,19,.66);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .2s ease-out;
}
.site-header.is-scrolled{background:rgba(10,16,19,.86)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--data));color:#0A1013;
}
.logo-text{letter-spacing:-.01em}
.search-bar{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:560px;
  background:var(--bg-800);border:1px solid var(--line);border-radius:12px;
  padding:5px 5px 5px 14px;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.search-bar:focus-within{border-color:var(--data);box-shadow:0 0 0 3px rgba(46,217,195,.16)}
.search-icon{display:grid;place-items:center;color:var(--text-3);flex:0 0 auto}
.search-bar input{flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;font-size:14px;padding:8px 0}
.search-bar input::placeholder{color:var(--text-3)}
.search-btn{
  flex:0 0 auto;border:0;border-radius:9px;padding:9px 15px;font-size:13px;font-weight:700;cursor:pointer;
  background:var(--brand);color:#0A1013;transition:background .18s ease-out,box-shadow .18s ease-out;min-height:38px;
}
.search-btn:hover{background:var(--brand-deep);box-shadow:var(--glow)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:14px;padding:10px 18px;min-height:44px;
  cursor:pointer;border:1px solid transparent;transition:all .18s ease-out;
}
.btn-primary{background:var(--brand);color:#0A1013}
.btn-primary:hover{background:var(--brand-deep);box-shadow:var(--glow)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:rgba(180,240,60,.5)}
.btn-sm{min-height:40px;padding:8px 16px;font-size:13px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:transparent;align-items:center;justify-content:center;cursor:pointer;
}
.menu-toggle:hover{border-color:rgba(180,240,60,.5)}
.cat-nav-wrap{border-top:1px solid var(--line)}
.cat-nav{display:flex;gap:6px;overflow-x:auto;padding:4px 0 8px;scrollbar-width:none}
.cat-nav::-webkit-scrollbar{display:none}
.cat-link{
  position:relative;flex:0 0 auto;display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:999px;font-size:14px;color:var(--text-2);min-height:44px;
  transition:color .18s ease-out,background .18s ease-out;
}
.cat-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.cat-link.is-active{color:var(--brand)}
.cat-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px var(--brand);
}
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:80;background:var(--bg-900);
  padding:16px 20px 40px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-head .logo-text{font-size:19px;font-weight:800}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:transparent;
  font-size:22px;line-height:1;cursor:pointer;
}
.drawer-search{max-width:none;margin-bottom:16px}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  font-size:15px;color:var(--text-2);border:1px solid transparent;
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--text-1)}
.drawer-link.is-active{color:var(--brand);border-color:rgba(180,240,60,.3);background:rgba(180,240,60,.06)}

@media(max-width:767px){
  .header-inner{flex-wrap:wrap;gap:10px}
  .search-bar{order:3;flex:1 1 100%;max-width:none}
  .header-actions .btn{display:none}
  .header-actions{margin-left:auto}
  .menu-toggle{display:inline-flex}
}

/* ---------- hero / article head ---------- */
.article-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:#0A1013 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,16,19,.74),rgba(10,16,19,.94) 68%,#0A1013);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 15px);
}
.article-hero-inner{position:relative;z-index:1;padding:22px 0 40px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;list-style:none;padding:0;font-size:13px;color:var(--text-3)}
.crumb li{display:inline-flex;align-items:center;gap:6px}
.crumb li:not(:last-child)::after{content:"/";color:var(--text-3);opacity:.7}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--data)}
.crumb [aria-current="page"]{color:var(--text-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(25px,4.2vw,42px);line-height:1.32;margin:16px 0 0;max-width:22ch;
}
.hero-sub{color:var(--text-2);font-size:15px;margin:14px 0 0;max-width:60ch}
.meta-bar{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;color:var(--text-2);margin-top:20px;align-items:center}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--data);flex:0 0 auto}
.chip{
  display:inline-flex;align-items:center;gap:6px;border-radius:6px;padding:3px 9px;font-size:12px;
  background:rgba(46,217,195,.12);color:var(--data);border:1px solid rgba(46,217,195,.24);
}
.chip-accent{background:rgba(255,138,43,.12);color:var(--accent);border-color:rgba(255,138,43,.26)}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:84px 0}}
.section-alt{background:var(--bg-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.sec-head::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--brand);flex:0 0 auto}
.sec-head h2{font-size:clamp(20px,2.4vw,28px);line-height:1.35}
.sec-head p{margin:0;color:var(--text-2);font-size:14px}
.sec-head-wrap{flex-wrap:wrap}

/* ---------- reading panel ---------- */
.reading-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:20px;
  padding:26px 20px;box-shadow:var(--shadow);
}
@media(min-width:768px){.reading-panel{padding:46px 56px}}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:#DCE6E8}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.25em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.4vw,26px);line-height:1.4;
  margin:2.1em 0 .75em;padding-left:18px;color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.48em;width:8px;height:8px;background:var(--brand);
}
.article-body h3{font-size:19px;line-height:1.5;margin:1.8em 0 .6em;color:var(--text-1)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.25em}
.article-body li{margin:.42em 0}
.article-body a{color:var(--data);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body strong{color:var(--text-1)}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--bg-800);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body img{border-radius:12px;margin:1.4em 0 .6em;width:100%;height:auto}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--bg-800);color:var(--text-1)}
.article-body code{background:var(--bg-800);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--data)}
.empty-state{max-width:760px;margin:0 auto;text-align:center;padding:36px 12px}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 18px;display:grid;place-items:center;
  background:rgba(255,138,43,.12);border:1px solid rgba(255,138,43,.3);color:var(--accent);
}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:14px;margin:0 0 20px}

/* ---------- related ---------- */
.rel-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  display:flex;gap:14px;align-items:center;background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:12px;box-shadow:var(--shadow);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(180,240,60,.4)}
.rel-thumb{width:96px;height:72px;flex:0 0 96px;border-radius:10px;overflow:hidden;background:var(--bg-800)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{min-width:0}
.rel-body h3{font-size:15px;line-height:1.5;margin:0 0 6px;font-weight:700}
.rel-body span{font-size:13px;color:var(--text-3)}

/* ---------- back link & quick entries ---------- */
.back-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-top:28px}
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--data);font-size:14px;font-weight:700;min-height:44px}
.back-link:hover{color:var(--brand)}
.back-link svg{transition:transform .18s ease-out}
.back-link:hover svg{transform:translateX(-3px)}
.quick-entry{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- glass cta ---------- */
.glass-card{
  background:var(--glass);border:1px solid var(--line);border-radius:20px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.cta-grid{display:grid;gap:0}
@media(min-width:1024px){.cta-grid{grid-template-columns:1.05fr .95fr}}
.cta-main{padding:28px 22px}
@media(min-width:768px){.cta-main{padding:40px 44px}}
.cta-side{
  padding:28px 22px;border-top:1px solid var(--line);background:rgba(10,16,19,.4);
}
@media(min-width:1024px){
  .cta-side{border-top:0;border-left:1px solid var(--line);padding:40px 38px}
}
.cta-title{font-size:clamp(21px,2.6vw,28px);margin-bottom:12px}
.cta-desc{color:var(--text-2);font-size:14px;margin:0 0 22px}
.field{display:block;margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px}
.input{
  width:100%;background:rgba(10,16,19,.6);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;min-height:44px;color:var(--text-1);outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.input::placeholder{color:var(--text-3)}
.input:focus{border-color:var(--data);box-shadow:0 0 0 3px rgba(46,217,195,.16)}
.input.has-error{border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(255,77,109,.14)}
.form-hint{font-size:13px;color:var(--text-3);margin:10px 0 0}
.form-hint.is-error{color:var(--accent-2)}
.form-hint.is-ok{color:var(--data)}
.benefit-list{list-style:none;padding:0;margin:0}
.benefit-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--text-2)}
.benefit-list li:last-child{border-bottom:0}
.benefit-list .bk{
  flex:0 0 26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(46,217,195,.12);color:var(--data);font-size:13px;font-weight:700;
}
.benefit-list b{color:var(--text-1);font-weight:700}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--panel);
  transition:border-color .18s ease-out;
}
.faq-item.is-open{border-color:rgba(180,240,60,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;min-height:56px;border-radius:14px;
}
.faq-item.is-open .faq-q{box-shadow:inset 3px 0 0 var(--brand)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px;transition:transform .18s ease-out}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;transition:transform .18s ease-out}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-a-inner{padding:0 18px 18px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- footer ---------- */
.site-footer{background:#070C0E;border-top:1px solid var(--line)}
.footer-grid{
  display:grid;gap:28px;padding-top:48px;padding-bottom:36px;
  grid-template-columns:1fr;
}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-top:64px;padding-bottom:44px}}
.footer-brand .logo-text{display:block;font-size:20px;font-weight:800;margin-bottom:12px}
.footer-brand p{color:var(--text-3);font-size:13px;margin:0;max-width:38ch;line-height:1.8}
.footer-col h3{font-size:14px;margin:0 0 14px;color:var(--text-1);font-weight:700}
.footer-col a,.footer-col p{display:block;color:var(--text-3);font-size:13px;margin:0 0 10px;min-height:22px}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0}
.footer-bottom-inner{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between}
.footer-bottom-inner p{margin:0;font-size:13px;color:var(--text-3)}
.footer-bottom-inner a{font-size:13px;color:var(--text-3)}
.footer-bottom-inner a:hover{color:var(--data)}

/* roulang page: category2 */
:root{
  --bg-900:#0A1013;
  --bg-800:#0E1619;
  --panel:#121D21;
  --glass:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.08);
  --text-1:#EDF3F4;
  --text-2:#A7B4B9;
  --text-3:#6E7C82;
  --brand:#B4F03C;
  --brand-deep:#7FD12A;
  --accent:#FF8A2B;
  --accent-2:#FF4D6D;
  --data:#2ED9C3;
  --radius-card:16px;
  --radius-panel:20px;
  --shadow:0 20px 40px -24px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(180,240,60,.45),0 10px 30px -10px rgba(180,240,60,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-900);color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
.num{font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--data);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,16,19,.74);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .2s ease-out;
}
.site-header.is-scrolled{background:rgba(10,16,19,.92)}
.head-top{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:14px 0}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.brand-mark{width:26px;height:26px;color:var(--brand);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.logo-text{font-weight:800;font-size:20px;letter-spacing:.01em;white-space:nowrap}
.site-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 100%;order:3;max-width:100%;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:3px 4px 3px 42px;min-height:48px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.site-search:focus-within{border-color:rgba(46,217,195,.65);box-shadow:0 0 0 3px rgba(46,217,195,.12)}
.site-search input{flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;color:var(--text-1);padding:8px 4px;font-size:15px}
.site-search input::placeholder{color:var(--text-3)}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-2)}
.search-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.search-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:0 18px;border-radius:999px;
  background:var(--brand);color:#0A1013;font-size:14px;font-weight:700;
  box-shadow:0 8px 24px -14px rgba(180,240,60,.8);
  transition:background .18s ease-out,box-shadow .18s ease-out;
}
.search-btn:hover{background:var(--brand-deep);box-shadow:var(--glow)}
.head-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.menu-toggle{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--panel);color:var(--text-1);
}
.menu-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.menu-toggle:hover{border-color:rgba(180,240,60,.45);color:var(--brand)}

.nav-wrap{padding-bottom:2px}
.cat-nav{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.cat-nav::-webkit-scrollbar{display:none}
.cat-link{
  display:inline-flex;align-items:center;min-height:46px;padding:0 14px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  border-bottom:2px solid transparent;transition:color .18s ease-out,border-color .18s ease-out;
}
.cat-link:hover{color:var(--text-1)}
.cat-link.is-active{color:var(--brand);border-bottom-color:var(--brand);text-shadow:0 0 14px rgba(180,240,60,.45)}

.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:rgba(7,12,14,.98);
  transform:translateX(100%);transition:transform .24s ease-out;
  overflow-y:auto;padding:20px;display:block;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center}
.drawer-close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.drawer-search{position:relative;display:flex;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:3px 4px 3px 42px;margin-bottom:18px}
.drawer-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--text-1);padding:10px 4px}
.drawer-link{display:flex;align-items:center;min-height:48px;border-bottom:1px solid var(--line);color:var(--text-2);font-size:15px}
.drawer-link.is-active{color:var(--brand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.btn-primary{background:var(--brand);color:#0A1013;box-shadow:0 12px 30px -16px rgba(180,240,60,.9)}
.btn-primary:hover{background:var(--brand-deep);box-shadow:var(--glow);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:rgba(180,240,60,.5);color:var(--brand)}
.btn-sm{min-height:44px;padding:0 16px;font-size:13px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;box-shadow:none;cursor:not-allowed}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(10,16,19,.6) 0%,rgba(10,16,19,.9) 58%,#0A1013 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 36px);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0}
.hero-copy{max-width:640px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--text-3)}
.breadcrumb a:hover{color:var(--data)}
.breadcrumb [aria-current]{color:var(--text-2)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:6px;
  background:rgba(46,217,195,.1);color:var(--data);font-size:12px;font-weight:700;letter-spacing:.04em;
  margin-bottom:18px;
}
.hero h1{font-size:34px;letter-spacing:-.02em;margin-bottom:16px}
.hero-sub{color:var(--text-2);font-size:16px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:28px;font-size:13px;color:var(--text-3)}
.hero-facts li{display:inline-flex;align-items:center;gap:8px}
.hero-facts li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--data)}

.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--radius-panel);
}
.hero-card{padding:24px}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.hero-card-head h2{font-size:16px;font-weight:700}
.hero-card-head span{font-size:12px;color:var(--text-3)}
.hero-metric{display:flex;align-items:baseline;gap:10px;padding:16px;border-radius:14px;background:rgba(46,217,195,.07);border:1px solid rgba(46,217,195,.18);margin-bottom:18px}
.hero-metric strong{font-size:34px;font-weight:800;color:var(--data);font-variant-numeric:tabular-nums;line-height:1}
.hero-metric span{font-size:13px;color:var(--text-2)}
.hero-list{display:grid;gap:12px}
.hero-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.7}
.hero-list b{color:var(--text-1);font-weight:700}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:0 0 auto;margin-top:9px}

/* ---------- sections ---------- */
.section{padding:64px 0;border-top:1px solid var(--line)}
.section-alt{background:var(--bg-800)}
.section-head{max-width:760px;margin-bottom:32px}
.section-title{font-size:26px;display:flex;align-items:center;gap:12px}
.section-title::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--brand);flex:0 0 auto}
.section-desc{margin-top:14px;color:var(--text-2);font-size:15px}

/* ---------- cards ---------- */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-4px);border-color:rgba(180,240,60,.4)}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--text-2);font-size:14px}
.card-media{border-radius:12px;overflow:hidden;margin-bottom:16px;position:relative;aspect-ratio:16/9;background:var(--bg-800)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,16,19,0) 40%,rgba(10,16,19,.72) 100%)}
.card-tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:6px;font-size:12px;font-weight:700;
  background:rgba(46,217,195,.1);color:var(--data);margin-bottom:14px;
}
.tag-accent{background:rgba(255,138,43,.12);color:var(--accent)}
.plain-list{display:grid;gap:10px;margin-top:14px}
.plain-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.plain-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--data);flex:0 0 auto;margin-top:9px}

/* ---------- compare table ---------- */
.table-wrap{border-radius:var(--radius-panel);padding:10px}
.table-scroll{overflow-x:auto;border-radius:14px}
.table-scroll::-webkit-scrollbar{height:8px}
.table-scroll::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:8px}
.table-scroll::-webkit-scrollbar-thumb{background:rgba(180,240,60,.3);border-radius:8px}
.compare-table{width:100%;min-width:900px;font-size:14px}
.compare-table thead th{
  background:var(--bg-800);color:var(--text-1);font-size:14px;font-weight:700;
  text-align:left;padding:16px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare-table thead th.is-recommended{color:var(--brand);background:rgba(180,240,60,.07)}
.compare-table tbody td{
  padding:14px 16px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:middle;
}
.compare-table tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.compare-table tbody tr:hover{background:rgba(180,240,60,.05)}
.compare-table tbody td:first-child{color:var(--text-1);font-weight:600;white-space:nowrap}
.compare-table tbody td.is-recommended{background:rgba(180,240,60,.035)}
.compare-table tbody tr:last-child td{border-bottom:0}
.badge-rec{
  display:inline-flex;align-items:center;margin-left:8px;padding:2px 8px;border-radius:6px;
  background:var(--accent);color:#0A1013;font-size:11px;font-weight:800;
}
.mk{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%}
.mk svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mk-yes{background:rgba(180,240,60,.14);color:var(--brand)}
.mk-no{background:rgba(255,255,255,.05);color:var(--text-3)}
.table-note{margin-top:14px;font-size:13px;color:var(--text-3)}

/* ---------- ladder ---------- */
.ladder{display:grid;gap:18px}
.ladder-step{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow);
  transition:border-color .18s ease-out,transform .18s ease-out;
}
.ladder-step:hover{transform:translateY(-3px);border-color:rgba(180,240,60,.35)}
.ladder-step.is-featured{border-color:rgba(180,240,60,.45);box-shadow:0 0 0 1px rgba(180,240,60,.18),var(--shadow)}
.ladder-node{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--bg-800);border:1px solid var(--line);
  color:var(--data);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.ladder-step.is-featured .ladder-node{color:var(--brand);border-color:rgba(180,240,60,.4)}
.ladder-body h3{font-size:19px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.ladder-count{font-size:12px;font-weight:700;color:var(--data);background:rgba(46,217,195,.1);border-radius:6px;padding:3px 9px;font-variant-numeric:tabular-nums}
.ladder-body>p{color:var(--text-2);font-size:14px}

/* ---------- signup ---------- */
.signup-grid{display:grid;gap:24px;align-items:start}
.signup-card{padding:28px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field input{
  width:100%;min-height:48px;padding:12px 14px;border-radius:12px;
  background:var(--bg-800);border:1px solid var(--line);color:var(--text-1);outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field input:focus{border-color:var(--data);box-shadow:0 0 0 3px rgba(46,217,195,.14)}
.field input.is-error{border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(255,77,109,.12)}
.code-row{display:flex;gap:10px}
.code-row input{flex:1}
.form-note{margin-top:14px;font-size:13px;color:var(--text-3)}
.form-note.is-error{color:var(--accent-2)}
.form-note.is-ok{color:var(--brand)}
.side-panel{padding:24px}
.side-panel h3{font-size:16px;margin-bottom:14px}
.side-list{display:grid;gap:14px}
.side-list li{display:flex;gap:12px;font-size:14px;color:var(--text-2);line-height:1.75}
.side-list b{color:var(--text-1)}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px}
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .18s ease-out}
.faq-item.is-open{border-color:rgba(180,240,60,.38)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 20px;text-align:left;color:var(--text-1);font-size:16px;font-weight:600;
}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .18s ease-out}
.faq-icon::before{top:7px;left:0;width:16px;height:2px}
.faq-icon::after{top:0;left:7px;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-a-inner{
  margin:0 20px 20px;padding-left:16px;border-left:3px solid var(--brand);
  font-size:15px;color:var(--text-2);line-height:1.8;
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);
  background:linear-gradient(120deg,rgba(180,240,60,.09),rgba(46,217,195,.05) 45%,transparent 75%),var(--bg-800);
}
.cta-inner{display:flex;flex-direction:column;gap:22px;padding:56px 0}
.cta-inner h2{font-size:26px;margin-bottom:12px}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:640px}

/* ---------- footer ---------- */
.site-footer{background:#070C0E;border-top:1px solid var(--line);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:44px}
.footer-brand .logo-text{display:block;font-size:20px;margin-bottom:14px}
.footer-brand p{color:var(--text-2);font-size:14px;max-width:360px}
.footer-col h3{font-size:15px;margin-bottom:14px}
.footer-col a,.footer-col p{display:block;color:var(--text-2);font-size:14px;padding:5px 0}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0}
.footer-bottom-inner{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;color:var(--text-3);font-size:13px}
.footer-bottom-inner a{color:var(--data)}
.footer-bottom-inner a:hover{color:var(--brand)}

/* ---------- responsive ---------- */
@media (min-width:640px){
  .hero h1{font-size:40px}
  .cta-inner h2{font-size:30px}
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:64px 0}
  .ladder{padding-left:34px;border-left:1px dashed var(--line)}
}
@media (min-width:1024px){
  .container{padding:0 32px}
  .head-top{flex-wrap:nowrap;gap:28px;padding:16px 0}
  .site-search{order:0;flex:1 1 auto;max-width:560px}
  .hero-grid{grid-template-columns:1.12fr .88fr;align-items:center;gap:48px;padding:88px 0}
  .hero h1{font-size:52px}
  .section{padding:96px 0}
  .section-title{font-size:32px}
  .signup-grid{grid-template-columns:1.1fr .9fr;gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
  .cta-inner h2{font-size:34px}
}
@media (min-width:1280px){
  .hero h1{font-size:56px}
}
@media (max-width:1023px){
  .menu-toggle{display:inline-grid}
  .head-actions .btn-ghost-sm{display:none}
}
@media (min-width:1024px){
  .menu-toggle{display:none}
  .mobile-drawer{display:none}
}
@media (max-width:1023px){
  .cat-nav{
    -webkit-mask-image:linear-gradient(90deg,#000 86%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 86%,transparent 100%);
  }
  .cta-inner{align-items:flex-start}
}