/* roulang page: index */
:root{
  --bg:#080D18;
  --bg-2:#0C1424;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --accent:#2EF2C0;
  --accent-2:#FF7A45;
  --text:#E9EFF8;
  --muted:#97A5BC;
  --line:rgba(255,255,255,.12);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --shadow:0 18px 44px rgba(0,0,0,.42);
  --shadow-soft:0 10px 26px rgba(0,0,0,.30);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:92px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:-2;
  background-image:radial-gradient(rgba(46,242,192,.10) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.35;pointer-events:none;
}
body::after{
  content:"";
  position:fixed;top:-25%;left:-15%;width:65%;height:150%;z-index:-1;
  background:linear-gradient(115deg,transparent 0%,rgba(46,242,192,.10) 48%,transparent 72%);
  transform:rotate(8deg);pointer-events:none;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:#6BF8D6;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.25;}
ul,ol{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;width:100%;}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(8,13,24,.55);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .22s ease-out;
}
.site-header.is-scrolled{background:rgba(9,14,26,.88);}
.nav-shell{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;display:grid;place-items:center;border-radius:12px;
  background:rgba(46,242,192,.12);border:1px solid rgba(46,242,192,.35);
  box-shadow:0 0 18px rgba(46,242,192,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:10.5px;color:var(--muted);letter-spacing:.16em;}
.nav-chips{
  display:flex;align-items:center;gap:4px;margin:0 auto;
  padding:5px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.nav-chip{
  display:inline-block;padding:7px 16px;border-radius:999px;
  font-size:14px;color:var(--muted);border:1px solid transparent;
  white-space:nowrap;transition:all .18s ease-out;
}
.nav-chip:hover{color:var(--text);border-color:rgba(255,255,255,.24);box-shadow:0 0 14px rgba(46,242,192,.12);}
.nav-chip.is-active{background:var(--accent);color:#04211A;font-weight:700;border-color:transparent;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-cta{min-height:44px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;place-items:center;
  border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--text);transition:all .18s ease-out;
}
.nav-toggle:hover{border-color:var(--accent);background:rgba(46,242,192,.10);}
@media (max-width:991.98px){
  .nav-chips{display:none;}
  .nav-toggle{display:grid;}
  .nav-cta-extra{display:none;}
  .nav-shell{min-height:64px;gap:12px;}
  .brand-text em{display:none;}
}
@media (max-width:575.98px){
  .brand-text strong{font-size:14.5px;}
  .nav-cta{padding:0 14px;font-size:13.5px;}
}
.offcanvas.dark-drawer{background:var(--bg-2);color:var(--text);border-left:1px solid var(--line);}
.dark-drawer .offcanvas-header{border-bottom:1px solid var(--line);}
.dark-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:26px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text);font-size:15px;
}
.drawer-nav a.is-active{background:var(--accent);color:#04211A;font-weight:700;border-color:transparent;}
.drawer-nav a:hover{border-color:rgba(46,242,192,.45);}
.drawer-sub{font-size:13px;color:var(--muted);margin-bottom:12px;letter-spacing:.08em;}

/* ---------- buttons ---------- */
.btn-glow,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:all .2s ease-out;cursor:pointer;text-align:center;
}
.btn-glow{
  border:none;color:#04211A;
  background:linear-gradient(180deg,#4BF8CE,#2EF2C0);
  box-shadow:0 0 0 1px rgba(46,242,192,.5),0 8px 28px rgba(46,242,192,.28);
}
.btn-glow:hover{color:#04211A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,242,192,.65),0 12px 34px rgba(46,242,192,.40);}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(46,242,192,.5),0 6px 16px rgba(46,242,192,.22);}
.btn-ghost{
  border:1px solid var(--line);background:transparent;color:var(--text);
}
.btn-ghost:hover{border-color:var(--accent);background:rgba(46,242,192,.12);color:var(--text);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-soft{
  border:1px solid rgba(46,242,192,.35);background:rgba(46,242,192,.10);color:var(--accent);
}
.btn-soft:hover{background:rgba(46,242,192,.18);color:var(--accent);border-color:rgba(46,242,192,.6);transform:translateY(-2px);}

/* ---------- sections ---------- */
.section{padding:88px 0;position:relative;}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
@media (max-width:991.98px){.section{padding:64px 0;}}
@media (max-width:575.98px){.section{padding:48px 0;}}
.section-head{max-width:780px;margin-bottom:44px;}
@media (max-width:575.98px){.section-head{margin-bottom:32px;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--accent);
  padding:5px 14px;border-radius:999px;
  border:1px solid rgba(46,242,192,.32);background:rgba(46,242,192,.08);
  margin-bottom:16px;
}
.section-head h2{font-size:clamp(22px,2.6vw,34px);font-weight:700;margin-bottom:14px;letter-spacing:-.01em;}
.section-head p{color:var(--muted);font-size:15px;margin:0;line-height:1.85;}

/* ---------- glass ---------- */
.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.glass-card:hover{border-color:rgba(46,242,192,.45);transform:translateY(-3px);}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/a93bc80acd9d9088.jpg);
  background-size:cover;background-position:center;
  opacity:.22;
}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,13,24,.6),rgba(8,13,24,.94) 82%);}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:start;}
@media (max-width:991.98px){
  .hero{padding:52px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
}
.hero h1{
  font-size:clamp(28px,4.4vw,50px);
  font-weight:700;line-height:1.15;letter-spacing:-.01em;margin-bottom:20px;
}
.hero h1 .hl{color:var(--accent);}
.hero-lead{font-size:16px;color:var(--muted);line-height:1.9;max-width:620px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  color:var(--muted);background:var(--glass);border:1px solid var(--line);
  transition:all .18s ease-out;
}
.chip:hover{color:var(--text);border-color:rgba(46,242,192,.45);}
.chip b{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;}

/* invitation panel */
.invite-panel{padding:26px;border-radius:var(--r-lg);}
.invite-badge{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--accent-2);
  border:1px solid rgba(255,122,69,.4);background:rgba(255,122,69,.10);
  padding:4px 12px;border-radius:999px;margin-bottom:14px;
}
.invite-panel h2{font-size:20px;font-weight:700;margin-bottom:10px;}
.invite-panel .invite-desc{font-size:14px;color:var(--muted);margin-bottom:22px;}
.progress-track{
  position:relative;height:6px;border-radius:999px;
  background:rgba(255,255,255,.08);overflow:hidden;margin-bottom:16px;
}
.progress-track span{
  display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,#2EF2C0,rgba(46,242,192,.35));
  box-shadow:0 0 14px rgba(46,242,192,.45);
}
.progress-steps{display:flex;justify-content:space-between;gap:8px;margin-bottom:22px;}
.pstep{display:flex;flex-direction:column;align-items:center;gap:8px;flex:1;text-align:center;}
.pstep i{
  width:12px;height:12px;border-radius:50%;
  background:rgba(255,255,255,.16);border:1px solid var(--line);display:block;
}
.pstep b{font-size:12.5px;font-weight:500;color:var(--muted);}
.pstep.is-done i{background:var(--accent);border-color:var(--accent);box-shadow:0 0 12px rgba(46,242,192,.7);}
.pstep.is-done b{color:var(--text);}
.invite-reward{display:grid;gap:10px;margin-bottom:22px;}
.invite-reward li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;color:var(--muted);line-height:1.7;
}
.invite-reward li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:50%;
  background:var(--accent-2);box-shadow:0 0 8px rgba(255,122,69,.7);
}
.invite-actions{display:flex;flex-wrap:wrap;gap:12px;}
.invite-actions .btn-glow,.invite-actions .btn-ghost{min-height:44px;padding:0 18px;font-size:14px;}
.invite-note{font-size:12.5px;color:var(--muted);margin:14px 0 0;}

/* ---------- quick filter bar ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:14px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.filter-bar .filter-label{font-size:13px;color:var(--muted);padding-left:8px;white-space:nowrap;}
.filter-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;
  color:var(--text);background:rgba(255,255,255,.05);border:1px solid var(--line);
  cursor:pointer;transition:all .18s ease-out;
}
.filter-item:hover{border-color:rgba(46,242,192,.45);}
.filter-item span{color:var(--muted);font-size:12.5px;}
@media (max-width:575.98px){
  .filter-bar{flex-wrap:nowrap;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none;}
  .filter-bar::-webkit-scrollbar{display:none;}
}

/* ---------- entry matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media (max-width:991.98px){.matrix-grid{grid-template-columns:repeat(2,1fr);gap:16px;}}
@media (max-width:575.98px){.matrix-grid{grid-template-columns:1fr;}}
.matrix-item{
  display:flex;flex-direction:column;gap:8px;
  padding:22px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  color:var(--text);transition:all .22s ease-out;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.matrix-item:hover{
  color:var(--text);border-color:rgba(46,242,192,.45);
  transform:translateY(-3px);box-shadow:var(--shadow-soft);
}
.matrix-item .m-index{font-size:12.5px;color:var(--accent-2);letter-spacing:.14em;font-variant-numeric:tabular-nums;}
.matrix-item h3{font-size:17px;font-weight:700;}
.matrix-item p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7;}

/* ---------- four factors ---------- */
.factor-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
@media (max-width:767.98px){.factor-grid{grid-template-columns:1fr;gap:16px;}}
.factor-card{padding:28px;border-radius:var(--r-lg);}
.factor-card:nth-child(2){margin-top:28px;}
.factor-card:nth-child(4){margin-top:28px;}
@media (max-width:767.98px){
  .factor-card:nth-child(2),.factor-card:nth-child(4){margin-top:0;}
}
.factor-num{
  font-size:40px;font-weight:700;line-height:1;color:var(--accent-2);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-bottom:14px;
}
.factor-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.factor-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.8;}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;}
@media (max-width:991.98px){.split{grid-template-columns:1fr;gap:26px;}}
.feature-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:var(--glass);
}
.feature-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .3s ease-out;}
.feature-visual:hover img{transform:scale(1.03);}
.feature-visual .fv-badge{
  position:absolute;left:16px;bottom:16px;
  display:flex;flex-wrap:wrap;gap:8px;
}
.fv-badge span{
  font-size:12px;padding:5px 12px;border-radius:999px;
  background:rgba(9,14,26,.76);border:1px solid var(--line);color:var(--text);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.feature-list{display:grid;gap:14px;}
.feature-item{
  padding:20px 22px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  border-left:3px solid transparent;
  transition:all .2s ease-out;
}
.feature-item:hover{border-left-color:var(--accent);background:rgba(46,242,192,.06);box-shadow:0 0 22px rgba(46,242,192,.14);}
.feature-item h3{font-size:16.5px;font-weight:700;margin-bottom:6px;}
.feature-item p{font-size:13.8px;color:var(--muted);margin:0;line-height:1.75;}

/* ---------- steps ---------- */
.step-track{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:16px;}
.step-track::before{
  content:"";position:absolute;top:15px;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,rgba(46,242,192,.1),rgba(46,242,192,.7),rgba(46,242,192,.1));
}
.step-node{position:relative;text-align:center;padding:0 10px;}
.step-node i{
  position:relative;z-index:2;display:block;width:30px;height:30px;margin:0 auto 16px;
  border-radius:50%;background:var(--bg);
  border:1px solid rgba(46,242,192,.5);
  box-shadow:0 0 16px rgba(46,242,192,.4);
}
.step-node i::after{
  content:"";position:absolute;inset:9px;border-radius:50%;background:var(--accent);
}
.step-node h3{font-size:15.5px;font-weight:700;margin-bottom:6px;}
.step-node p{font-size:13px;color:var(--muted);margin:0;line-height:1.7;}
@media (max-width:767.98px){
  .step-track{grid-template-columns:1fr;gap:18px;}
  .step-track::before{top:0;bottom:0;left:15px;right:auto;width:1px;height:auto;background:linear-gradient(180deg,rgba(46,242,192,.1),rgba(46,242,192,.6),rgba(46,242,192,.1));}
  .step-node{display:grid;grid-template-columns:30px 1fr;gap:0 16px;text-align:left;padding:0;}
  .step-node i{margin:0;}
  .step-node h3{grid-column:2;}
  .step-node p{grid-column:2;}
}
.step-note{
  margin-top:30px;padding:16px 20px;border-radius:var(--r-sm);
  border:1px dashed rgba(46,242,192,.3);background:rgba(46,242,192,.05);
  font-size:13.5px;color:var(--muted);
}

/* ---------- club cards ---------- */
.club-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media (max-width:991.98px){.club-grid{grid-template-columns:repeat(2,1fr);gap:18px;}}
@media (max-width:575.98px){.club-grid{grid-template-columns:1fr;}}
.club-card{overflow:hidden;border-radius:var(--r-lg);}
.club-card .thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(255,255,255,.04);}
.club-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.club-card:hover .thumb img{transform:scale(1.04);}
.club-body{padding:20px 22px 24px;}
.club-body h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.club-body p{font-size:13.5px;color:var(--muted);margin:0 0 14px;line-height:1.75;}
.club-tags{display:flex;flex-wrap:wrap;gap:8px;}
.club-tags span{
  font-size:12px;padding:4px 11px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--muted);
}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media (max-width:767.98px){.scene-grid{grid-template-columns:1fr;gap:16px;}}
.scene-card{
  display:grid;grid-template-columns:132px 1fr;gap:18px;align-items:center;
  padding:16px;border-radius:var(--r-md);
}
.scene-card .scene-thumb{aspect-ratio:4/3;border-radius:var(--r-sm);overflow:hidden;background:rgba(255,255,255,.04);}
.scene-card .scene-thumb img{width:100%;height:100%;object-fit:cover;}
.scene-card h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.scene-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7;}
@media (max-width:575.98px){
  .scene-card{grid-template-columns:1fr;gap:12px;}
}

/* ---------- app stage ---------- */
.stage-track{display:flex;gap:22px;overflow-x:auto;padding:8px 4px 22px;-ms-overflow-style:none;scrollbar-width:none;}
.stage-track::-webkit-scrollbar{display:none;}
.phone{
  flex:0 0 auto;width:238px;
  border-radius:26px;padding:10px;
  background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  border:1px solid var(--line);
  box-shadow:0 18px 44px rgba(0,0,0,.45),inset 0 0 0 1px rgba(255,255,255,.04);
}
.phone .screen{
  border-radius:18px;overflow:hidden;aspect-ratio:9/17;
  background:rgba(9,14,26,.9);position:relative;
}
.phone .screen img{width:100%;height:100%;object-fit:cover;}
.phone-cap{font-size:13px;color:var(--muted);text-align:center;margin-top:12px;}
@media (max-width:575.98px){.phone{width:200px;}}

/* ---------- method cards ---------- */
.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media (max-width:991.98px){.method-grid{grid-template-columns:repeat(2,1fr);gap:16px;}}
@media (max-width:575.98px){.method-grid{grid-template-columns:1fr;}}
.method-card{padding:26px 22px;border-radius:var(--r-md);position:relative;overflow:hidden;}
.method-card .m-num{
  font-size:34px;font-weight:700;line-height:1;color:rgba(46,242,192,.24);
  font-variant-numeric:tabular-nums;margin-bottom:16px;letter-spacing:-.02em;
}
.method-card h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.method-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.75;}

/* ---------- safety ---------- */
.safety-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start;}
@media (max-width:991.98px){.safety-grid{grid-template-columns:1fr;}}
.check-list{display:grid;gap:12px;}
.check-list li{
  display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;
  font-size:14px;color:var(--muted);line-height:1.75;
}
.check-list li::before{
  content:"";width:18px;height:18px;margin-top:5px;border-radius:6px;
  border:1px solid rgba(46,242,192,.45);background:rgba(46,242,192,.10);
  box-shadow:inset 0 0 0 3px rgba(8,13,24,.9);
}
.rules-card{padding:26px;border-radius:var(--r-lg);}
.rules-card h3{font-size:18px;font-weight:700;margin-bottom:16px;}
.rules-card ul{display:grid;gap:14px;}
.rules-card li{font-size:13.8px;color:var(--muted);line-height:1.75;padding-left:16px;position:relative;}
.rules-card li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--accent-2);
}

/* ---------- case cards ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media (max-width:991.98px){.case-grid{grid-template-columns:1fr;}}
.case-card{padding:24px;border-radius:var(--r-md);position:relative;}
.case-tag{
  display:inline-block;font-size:11.5px;letter-spacing:.12em;
  color:var(--accent-2);border:1px solid rgba(255,122,69,.35);
  background:rgba(255,122,69,.08);padding:3px 10px;border-radius:999px;margin-bottom:14px;
}
.case-card h3{font-size:16.5px;font-weight:700;margin-bottom:10px;}
.case-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.8;}

/* ---------- plan table ---------- */
.plan-wrap{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--glass);}
.plan-table{width:100%;min-width:680px;border-collapse:collapse;font-size:14px;}
.plan-table th,.plan-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);}
.plan-table thead th{
  font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:600;
  background:rgba(255,255,255,.03);
}
.plan-table thead th.reco{color:var(--accent);background:rgba(46,242,192,.10);}
.plan-table tbody tr:last-child td{border-bottom:none;}
.plan-table td.reco{background:rgba(46,242,192,.06);color:var(--text);}
.plan-table td:first-child{color:var(--muted);}
.plan-note{font-size:13px;color:var(--muted);margin:16px 0 0;}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media (max-width:991.98px){.voice-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.voice-grid{grid-template-columns:1fr;}}
.voice-card{padding:22px;border-radius:var(--r-md);}
.voice-card .v-tag{
  display:inline-block;font-size:11.5px;color:var(--muted);
  border:1px solid var(--line);padding:3px 10px;border-radius:999px;margin-bottom:12px;
}
.voice-card p{font-size:13.8px;color:var(--muted);margin:0;line-height:1.8;}

/* ---------- news ---------- */
.news-card{display:flex;flex-direction:column;height:100%;border-radius:var(--r-lg);overflow:hidden;color:var(--text);}
.news-card:hover{color:var(--text);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(255,255,255,.04);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.news-cat{
  display:inline-block;font-size:11.5px;color:var(--accent);
  border:1px solid rgba(46,242,192,.35);background:rgba(46,242,192,.08);
  padding:2px 10px;border-radius:999px;margin-bottom:10px;align-self:flex-start;
}
.news-body h3{
  font-size:16px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13.5px;color:var(--muted);line-height:1.75;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;}
.empty-state{
  padding:52px 24px;text-align:center;border-radius:var(--r-lg);
  border:1px dashed var(--line);background:rgba(255,255,255,.03);
}
.empty-state p{color:var(--muted);margin-bottom:18px;}

/* ---------- category entries ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
@media (max-width:991.98px){.cat-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.cat-grid{grid-template-columns:1fr;}}
.cat-chip{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 22px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  color:var(--text);transition:all .2s ease-out;font-size:15px;font-weight:600;
}
.cat-chip small{display:block;font-size:12.5px;font-weight:400;color:var(--muted);margin-top:4px;}
.cat-chip:hover{color:var(--text);border-color:rgba(46,242,192,.5);transform:translateY(-3px);box-shadow:var(--shadow-soft);}

/* ---------- download ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media (max-width:991.98px){.dl-grid{grid-template-columns:1fr;gap:16px;}}
.dl-card{
  padding:26px;border-radius:var(--r-lg);
  display:flex;flex-direction:column;gap:14px;height:100%;
}
.dl-head{display:flex;align-items:center;gap:12px;}
.dl-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(46,242,192,.12);border:1px solid rgba(46,242,192,.32);color:var(--accent);
}
.dl-head h3{font-size:17px;font-weight:700;}
.dl-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.75;flex:1;}
.dl-card .btn-glow,.dl-card .btn-ghost{width:100%;min-height:46px;}
.download-tip{font-size:12.5px;color:var(--muted);text-align:center;margin:22px 0 0;}

/* ---------- faq ---------- */
.faq-accordion .accordion-item{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-md)!important;margin-bottom:14px;overflow:hidden;
}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text);font-size:15.5px;font-weight:600;
  min-height:56px;padding:16px 22px;box-shadow:none;border:none;
}
.faq-accordion .accordion-button:not(.collapsed){background:rgba(46,242,192,.07);color:var(--accent);}
.faq-accordion .accordion-button:focus{box-shadow:none;border:none;}
.faq-accordion .accordion-button::after{
  filter:invert(1) grayscale(1) brightness(1.8);width:16px;height:16px;background-size:16px;
}
.faq-accordion .accordion-body{
  padding:4px 22px 22px;font-size:14px;color:var(--muted);line-height:1.85;
}

/* ---------- final cta ---------- */
.final-cta{
  position:relative;overflow:hidden;
  padding:56px 40px;border-radius:24px;text-align:center;
  border:1px solid rgba(46,242,192,.28);
  background:linear-gradient(160deg,rgba(46,242,192,.12),rgba(255,255,255,.04) 55%,rgba(255,122,69,.08));
  box-shadow:var(--shadow);
}
.final-cta::before{
  content:"";position:absolute;top:-40%;left:-10%;width:130%;height:180%;
  background:repeating-linear-gradient(115deg,transparent 0 60px,rgba(46,242,192,.06) 60px 62px);
  pointer-events:none;
}
.final-cta h2{position:relative;font-size:clamp(22px,2.8vw,34px);font-weight:700;margin-bottom:14px;}
.final-cta p{position:relative;color:var(--muted);font-size:15px;max-width:640px;margin:0 auto 28px;line-height:1.85;}
.final-cta .hero-actions{position:relative;justify-content:center;margin-bottom:0;}
@media (max-width:575.98px){.final-cta{padding:38px 22px;}}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 32px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:26px;}}
.footer-brand p{font-size:13.5px;color:var(--muted);margin:14px 0 0;line-height:1.8;max-width:300px;}
.footer-col h4{font-size:13.5px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:13.5px;color:var(--muted);}
.footer-col a:hover{color:var(--accent);}
.footer-dl{display:grid;gap:10px;}
.footer-dl a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 16px;border-radius:999px;font-size:13.5px;
  border:1px solid var(--line);color:var(--muted);transition:all .18s ease-out;
}
.footer-dl a:hover{border-color:var(--accent);color:var(--accent);background:rgba(46,242,192,.08);}
.footer-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.8;}
.footer-bottom{
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
}

/* roulang page: article */
:root{
  --bg:#080D18;
  --bg-2:#0C1424;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --accent:#2EF2C0;
  --accent-2:#FF7A45;
  --text:#E9EFF8;
  --muted:#97A5BC;
  --line:rgba(255,255,255,.12);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --shadow:0 18px 44px rgba(0,0,0,.42);
  --shadow-soft:0 10px 26px rgba(0,0,0,.30);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background-image:radial-gradient(rgba(46,242,192,.10) 1px,transparent 1px);
  background-size:26px 26px;opacity:.35;pointer-events:none;
}
body::after{
  content:"";position:fixed;top:-25%;left:-15%;width:65%;height:150%;z-index:-1;
  background:linear-gradient(115deg,transparent 0%,rgba(46,242,192,.10) 48%,transparent 72%);
  transform:rotate(8deg);pointer-events:none;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:#6BF8D6;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(8,13,24,.55);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .22s ease-out;
}
.site-header.is-scrolled{background:rgba(9,14,26,.88);}
.nav-shell{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;display:grid;place-items:center;border-radius:12px;flex:0 0 auto;
  background:rgba(46,242,192,.12);border:1px solid rgba(46,242,192,.35);
  box-shadow:0 0 18px rgba(46,242,192,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-text strong{font-size:16px;font-weight:700;}
.brand-text em{font-style:normal;font-size:10.5px;color:var(--muted);letter-spacing:.16em;}
.nav-chips{
  display:flex;align-items:center;gap:4px;margin:0 auto;
  padding:5px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.nav-chip{
  display:inline-block;padding:7px 16px;border-radius:999px;
  font-size:14px;color:var(--muted);border:1px solid transparent;
  white-space:nowrap;transition:all .18s ease-out;
}
.nav-chip:hover{color:var(--text);border-color:rgba(255,255,255,.24);box-shadow:0 0 14px rgba(46,242,192,.12);}
.nav-chip.is-active{background:var(--accent);color:#04211A;font-weight:700;border-color:transparent;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;place-items:center;
  border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--text);transition:all .18s ease-out;
}
.nav-toggle:hover{border-color:var(--accent);background:rgba(46,242,192,.10);}
/* ---------- buttons ---------- */
.btn-glow,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:all .2s ease-out;cursor:pointer;text-align:center;
}
.btn-glow{
  border:none;color:#04211A;
  background:linear-gradient(180deg,#4BF8CE,#2EF2C0);
  box-shadow:0 0 0 1px rgba(46,242,192,.5),0 8px 28px rgba(46,242,192,.28);
}
.btn-glow:hover{color:#04211A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,242,192,.65),0 12px 34px rgba(46,242,192,.40);}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(46,242,192,.5),0 6px 16px rgba(46,242,192,.22);}
.btn-ghost{border:1px solid var(--line);background:transparent;color:var(--text);}
.btn-ghost:hover{border-color:var(--accent);background:rgba(46,242,192,.12);color:var(--text);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-soft{border:1px solid rgba(46,242,192,.35);background:rgba(46,242,192,.10);color:var(--accent);}
.btn-soft:hover{background:rgba(46,242,192,.18);color:var(--accent);border-color:rgba(46,242,192,.6);transform:translateY(-2px);}
.nav-cta{min-height:44px;padding:0 20px;font-size:14px;}
/* ---------- article hero ---------- */
.article-hero{padding:44px 0 34px;position:relative;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.tag-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 13px;border-radius:999px;font-size:12.5px;
  border:1px solid rgba(46,242,192,.32);background:rgba(46,242,192,.08);color:var(--accent);
}
.tag-chip.warm{border-color:rgba(255,122,69,.38);background:rgba(255,122,69,.10);color:#FFB08C;}
.meta-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.article-hero h1{
  font-size:clamp(24px,3.6vw,40px);font-weight:700;line-height:1.28;
  letter-spacing:-.01em;margin-bottom:16px;max-width:1000px;overflow-wrap:break-word;
}
.article-hero .lede{color:var(--muted);font-size:15.5px;line-height:1.85;max-width:820px;}
.article-cover{
  margin:30px 0 0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);position:relative;
  background:rgba(255,255,255,.04);
}
.article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover;filter:saturate(1.05);}
.article-cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(8,13,24,.10) 0%,rgba(8,13,24,.55) 100%);
}
.article-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:14px 20px;font-size:13px;color:#C9D5E6;
}
/* ---------- layout ---------- */
.article-wrap{padding:52px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 312px;gap:44px;align-items:start;}
.article-main{min-width:0;}
.article-body{
  color:#E6ECF6;font-size:15.8px;line-height:1.85;max-width:820px;
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;
  padding-left:14px;border-left:4px solid var(--accent);
  margin:2em 0 .8em;
}
.article-body h3{font-size:18px;font-weight:600;margin:1.6em 0 .6em;}
.article-body h4{font-size:16px;font-weight:600;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em;}
.article-body li{margin:.45em 0;}
.article-body ul li::marker{color:var(--accent);}
.article-body ol li::marker{color:var(--accent-2);font-variant-numeric:tabular-nums;}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.article-body strong{color:#FFFFFF;font-weight:700;}
.article-body img{
  width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;
  border-radius:14px;border:1px solid var(--line);margin:1.4em 0;
}
.article-body blockquote{
  margin:1.4em 0;padding:14px 20px;color:#C9D5E6;
  border-left:3px solid var(--accent);border-radius:0 14px 14px 0;
  background:rgba(255,255,255,.05);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;margin:1.4em 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;font-size:14px;text-align:left;}
.article-body th{background:rgba(255,255,255,.06);font-weight:600;}
.article-body code{background:rgba(255,255,255,.09);padding:2px 6px;border-radius:6px;font-size:13.5px;}
.article-body pre{
  background:rgba(0,0,0,.36);border:1px solid var(--line);border-radius:14px;
  padding:16px;overflow-x:auto;margin:1.4em 0;
}
.article-body pre code{background:none;padding:0;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
/* empty state */
.empty-state{
  text-align:center;padding:56px 24px;border-radius:var(--r-lg);
  border:1px dashed rgba(255,255,255,.2);background:var(--glass);
}
.empty-state h2{font-size:22px;margin-bottom:12px;border:none;padding:0;}
.empty-state p{color:var(--muted);margin-bottom:22px;}
/* ---------- key points ---------- */
.block{margin-top:56px;}
.block-title{display:flex;align-items:center;gap:10px;margin-bottom:20px;}
.block-title h2{font-size:clamp(19px,2.1vw,24px);font-weight:700;}
.block-title .bar{width:6px;height:22px;border-radius:3px;background:linear-gradient(180deg,var(--accent),rgba(46,242,192,.25));}
.kv-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.kv-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;transition:all .2s ease-out;backdrop-filter:blur(14px);
}
.kv-card:hover{border-color:rgba(46,242,192,.45);transform:translateY(-3px);box-shadow:var(--shadow-soft);}
.kv-num{font-size:12.5px;letter-spacing:.14em;color:var(--accent-2);font-variant-numeric:tabular-nums;display:block;margin-bottom:10px;}
.kv-card h3{font-size:16.5px;margin-bottom:8px;}
.kv-card p{font-size:13.8px;line-height:1.8;color:var(--muted);}
/* ---------- note ---------- */
.note-card{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.note-card .note-ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(46,242,192,.10);border:1px solid rgba(46,242,192,.30);color:var(--accent);
}
.note-card h3{font-size:16px;margin-bottom:8px;}
.note-card p{font-size:14px;color:var(--muted);line-height:1.85;}
/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.rel-card{
  display:flex;flex-direction:column;gap:10px;
  padding:20px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--glass);
  color:var(--text);transition:all .2s ease-out;min-height:150px;
}
.rel-card:hover{color:var(--text);border-color:rgba(46,242,192,.45);transform:translateY(-3px);box-shadow:var(--shadow-soft);}
.rel-card h3{font-size:15.5px;line-height:1.55;}
.rel-card .rel-foot{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--muted);}
.rel-empty{font-size:14px;color:var(--muted);padding:18px 0;}
/* ---------- pager ---------- */
.pager{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:56px;padding:16px 20px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.pager a{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);}
.pager a:hover{color:var(--accent);}
.pager .pager-home{color:var(--text);font-weight:600;}
/* ---------- download ---------- */
.dl-section{
  padding:56px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--bg-2);
}
.dl-head{max-width:720px;margin-bottom:26px;}
.dl-head h2{font-size:clamp(20px,2.3vw,27px);margin-bottom:10px;}
.dl-head p{color:var(--muted);font-size:14.5px;}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.dl-card{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--glass);
  color:var(--text);transition:all .2s ease-out;min-height:82px;
}
.dl-card:hover{color:var(--text);border-color:rgba(46,242,192,.5);transform:translateY(-2px);box-shadow:0 10px 26px rgba(46,242,192,.16);}
.dl-card .dl-ico{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(46,242,192,.12);border:1px solid rgba(46,242,192,.32);color:var(--accent);
}
.dl-card .dl-txt{display:flex;flex-direction:column;line-height:1.4;min-width:0;}
.dl-card .dl-txt strong{font-size:15px;}
.dl-card .dl-txt em{font-style:normal;font-size:12.5px;color:var(--muted);}
.dl-card .dl-go{margin-left:auto;color:var(--accent);font-size:13px;white-space:nowrap;}
.dl-tip{margin-top:14px;font-size:12.5px;color:var(--muted);}
/* ---------- disclaimer ---------- */
.risk{font-size:13.5px;color:var(--muted);line-height:1.9;}
.risk strong{color:#C9D5E6;}
/* ---------- sidebar ---------- */
.side{display:flex;flex-direction:column;gap:18px;position:sticky;top:100px;}
.side-card{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  padding:20px;backdrop-filter:blur(14px);
}
.side-card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(46,242,192,.8);}
.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.side-list li{display:flex;gap:10px;font-size:13.6px;color:var(--muted);line-height:1.7;}
.side-list li b{color:var(--text);font-weight:600;}
.side-list .idx{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:11.5px;font-variant-numeric:tabular-nums;
  background:rgba(255,122,69,.14);color:#FFB08C;border:1px solid rgba(255,122,69,.3);
}
.side-dl{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.side-dl a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  min-height:44px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);color:var(--text);font-size:13.6px;
  transition:all .18s ease-out;
}
.side-dl a:hover{border-color:rgba(46,242,192,.5);background:rgba(46,242,192,.08);color:var(--text);}
.side-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7;}
/* ---------- footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:14px;margin-bottom:14px;color:var(--text);}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.footer-col ul a{font-size:13.5px;color:var(--muted);}
.footer-col ul a:hover{color:var(--accent);}
.footer-dl{display:flex;flex-direction:column;gap:9px;}
.footer-dl a{
  display:inline-flex;align-items:center;justify-content:center;min-height:40px;
  border-radius:999px;border:1px solid var(--line);font-size:13.5px;color:var(--text);
  transition:all .18s ease-out;
}
.footer-dl a:hover{border-color:rgba(46,242,192,.5);background:rgba(46,242,192,.08);color:var(--text);}
.footer-note{font-size:12.5px;color:var(--muted);line-height:1.8;margin-top:12px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
}
/* ---------- drawer ---------- */
.offcanvas.dark-drawer{background:var(--bg-2);color:var(--text);border-left:1px solid var(--line);}
.dark-drawer .offcanvas-header{border-bottom:1px solid var(--line);}
.dark-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:26px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text);font-size:15px;
}
.drawer-nav a:hover{border-color:rgba(46,242,192,.45);color:var(--text);}
.drawer-nav a.is-active{background:var(--accent);color:#04211A;font-weight:700;border-color:transparent;}
.drawer-sub{font-size:12.5px;color:var(--muted);margin-bottom:12px;letter-spacing:.08em;}
.drawer-dl{display:flex;flex-direction:column;gap:10px;}
.drawer-dl a{
  display:flex;align-items:center;justify-content:center;min-height:46px;border-radius:12px;
  border:1px solid rgba(46,242,192,.35);background:rgba(46,242,192,.10);
  color:var(--accent);font-size:14px;font-weight:600;
}
.drawer-dl a:hover{background:rgba(46,242,192,.18);color:var(--accent);}
/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .side{display:none;}
  .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .nav-chips{display:none;}
  .nav-toggle{display:grid;}
  .nav-shell{min-height:64px;gap:12px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{display:none;}
  .nav-cta{padding:0 14px;font-size:13.5px;}
  .article-hero{padding:32px 0 24px;}
  .article-wrap{padding:40px 0 56px;}
  .kv-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .article-cover img{aspect-ratio:16/9;}
}
@media (max-width:767.98px){
  .article-hero h1{font-size:clamp(22px,5.6vw,30px);}
  .article-body{font-size:15.2px;}
  .block{margin-top:44px;}
  .dl-section{padding:44px 0;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .nav-cta{display:none;}
  .kv-grid{grid-template-columns:minmax(0,1fr);}
  .dl-grid{grid-template-columns:minmax(0,1fr);}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .note-card{flex-direction:column;gap:12px;}
  .pager{flex-direction:column;align-items:flex-start;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --bg:#080D18;
  --bg-2:#0C1424;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --accent:#2EF2C0;
  --accent-2:#FF7A45;
  --text:#E9EFF8;
  --muted:#97A5BC;
  --line:rgba(255,255,255,.12);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --shadow:0 18px 44px rgba(0,0,0,.42);
  --shadow-soft:0 10px 26px rgba(0,0,0,.30);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background-image:radial-gradient(rgba(46,242,192,.10) 1px,transparent 1px);
  background-size:26px 26px;opacity:.32;pointer-events:none;
}
body::after{
  content:"";position:fixed;top:-25%;left:-15%;width:65%;height:150%;z-index:-1;
  background:linear-gradient(115deg,transparent 0%,rgba(46,242,192,.09) 48%,transparent 72%);
  transform:rotate(8deg);pointer-events:none;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:#6BF8D6;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0 0 12px;}
p:last-child{margin-bottom:0;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;width:100%;margin-left:auto;margin-right:auto;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(8,13,24,.55);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .22s ease-out;
}
.site-header.is-scrolled{background:rgba(9,14,26,.88);}
.nav-shell{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;display:grid;place-items:center;border-radius:12px;
  background:rgba(46,242,192,.12);border:1px solid rgba(46,242,192,.35);
  box-shadow:0 0 18px rgba(46,242,192,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:10.5px;color:var(--muted);letter-spacing:.16em;}
.nav-chips{
  display:flex;align-items:center;gap:4px;margin:0 auto;
  padding:5px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.nav-chip{
  display:inline-block;padding:7px 16px;border-radius:999px;
  font-size:14px;color:var(--muted);border:1px solid transparent;
  white-space:nowrap;transition:all .18s ease-out;min-height:38px;line-height:24px;
}
.nav-chip:hover{color:var(--text);border-color:rgba(255,255,255,.24);box-shadow:0 0 14px rgba(46,242,192,.12);}
.nav-chip.is-active{background:var(--accent);color:#04211A;font-weight:700;border-color:transparent;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;place-items:center;
  border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--text);transition:all .18s ease-out;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--accent);background:rgba(46,242,192,.10);}
.offcanvas.dark-drawer{background:var(--bg-2);color:var(--text);border-left:1px solid var(--line);}
.dark-drawer .offcanvas-header{border-bottom:1px solid var(--line);}
.dark-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:26px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text);font-size:15px;
}
.drawer-nav a.is-active{background:var(--accent);color:#04211A;font-weight:700;border-color:transparent;}
.drawer-nav a:hover{border-color:rgba(46,242,192,.45);}
.drawer-sub{font-size:12.5px;color:var(--muted);margin-bottom:12px;letter-spacing:.12em;}
.drawer-dl{display:flex;flex-direction:column;gap:10px;}
.drawer-dl a{
  display:flex;align-items:center;justify-content:center;min-height:46px;
  border-radius:999px;border:1px solid var(--line);color:var(--text);
  font-size:14.5px;font-weight:600;background:rgba(255,255,255,.04);
}
.drawer-dl a:hover{border-color:var(--accent);color:var(--accent);background:rgba(46,242,192,.10);}

/* ---------- buttons ---------- */
.btn-glow,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:all .2s ease-out;cursor:pointer;text-align:center;
}
.btn-glow{
  border:none;color:#04211A;
  background:linear-gradient(180deg,#4BF8CE,#2EF2C0);
  box-shadow:0 0 0 1px rgba(46,242,192,.5),0 8px 28px rgba(46,242,192,.28);
}
.btn-glow:hover{color:#04211A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,242,192,.65),0 12px 34px rgba(46,242,192,.40);}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(46,242,192,.5),0 6px 16px rgba(46,242,192,.22);}
.btn-ghost{border:1px solid var(--line);background:transparent;color:var(--text);}
.btn-ghost:hover{border-color:var(--accent);background:rgba(46,242,192,.12);color:var(--text);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-soft{border:1px solid rgba(46,242,192,.35);background:rgba(46,242,192,.10);color:var(--accent);}
.btn-soft:hover{background:rgba(46,242,192,.18);color:var(--accent);border-color:rgba(46,242,192,.6);transform:translateY(-2px);}
.nav-cta{min-height:44px;padding:0 20px;font-size:14px;}

/* ---------- section ---------- */
.section{padding:88px 0;position:relative;}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--accent);
  padding:5px 14px;border-radius:999px;
  border:1px solid rgba(46,242,192,.32);background:rgba(46,242,192,.08);
  margin-bottom:16px;
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:15px;}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;
  padding:52px 0 44px;
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;right:-10%;top:-60%;width:56%;height:220%;
  background:radial-gradient(circle at 50% 50%,rgba(46,242,192,.16),transparent 62%);
  pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb span.sep{opacity:.5;}
.cat-hero h1{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:700;line-height:1.22;
  margin:16px 0 14px;max-width:900px;
}
.cat-lead{color:#C3CEDE;max-width:760px;font-size:16px;margin:0 0 22px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.kw-chip{
  display:inline-flex;align-items:center;padding:6px 15px;border-radius:999px;
  border:1px solid var(--line);background:var(--glass);
  font-size:13px;color:var(--muted);
}
.kw-chip:hover{border-color:rgba(46,242,192,.45);color:var(--text);}

/* ---------- layout with toc ---------- */
.cat-layout{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.toc{
  position:sticky;top:96px;
  padding:18px;
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.toc h3{
  font-size:12px;letter-spacing:.18em;color:var(--muted);
  font-weight:600;margin-bottom:12px;
}
.toc a{
  display:block;padding:8px 10px;border-radius:10px;
  color:#C3CEDE;font-size:14px;border-left:2px solid transparent;
  transition:all .18s ease-out;
}
.toc a:hover{background:rgba(46,242,192,.10);border-left-color:var(--accent);color:var(--accent);}
.toc .toc-note{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);line-height:1.7;
}
.content-block{padding-bottom:56px;margin-bottom:56px;border-bottom:1px solid var(--line);}
.content-block:last-child{padding-bottom:0;margin-bottom:0;border-bottom:none;}
.block-head{margin-bottom:26px;}
.block-head h2{font-size:clamp(20px,2.2vw,28px);font-weight:700;margin-bottom:10px;}
.block-head p{color:var(--muted);font-size:15px;max-width:740px;}

/* overview */
.overview-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:24px;align-items:start;}
.overview-text p{color:#C3CEDE;}
.overview-text strong{color:var(--text);}
.media-frame{
  margin:0;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  aspect-ratio:16/10;box-shadow:var(--shadow-soft);
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame figcaption{font-size:12.5px;color:var(--muted);padding:10px 14px;background:rgba(255,255,255,.03);}

/* key cards */
.keys-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.key-card{
  padding:22px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.key-card:hover{transform:translateY(-3px);border-color:rgba(46,242,192,.45);box-shadow:0 0 0 1px rgba(46,242,192,.22),var(--shadow);}
.key-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-variant-numeric:tabular-nums;
  color:var(--accent-2);font-size:13px;letter-spacing:.18em;display:block;margin-bottom:10px;
}
.key-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.key-card p{color:var(--muted);font-size:14px;margin:0;}
.key-scale{
  margin-top:14px;height:6px;border-radius:999px;
  background:linear-gradient(90deg,rgba(46,242,192,.7),rgba(46,242,192,.12));
}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;position:relative;}
.flow-step{
  position:relative;padding:22px 18px 20px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--glass);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.flow-step:hover{border-color:rgba(46,242,192,.45);transform:translateY(-2px);}
.flow-dot{
  width:12px;height:12px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 14px rgba(46,242,192,.75);margin-bottom:14px;
}
.flow-step h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.flow-step p{color:var(--muted);font-size:14px;margin:0;}
.flow-note{
  margin-top:22px;padding:14px 18px;border-radius:var(--r-sm);
  border:1px dashed rgba(46,242,192,.35);
  background:rgba(46,242,192,.06);
  color:#BFE9DE;font-size:14px;
}

/* accordion */
.faq-acc .accordion-item{
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  margin-bottom:12px;
  overflow:hidden;
}
.faq-acc .accordion-button{
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:15px;font-weight:600;
  min-height:56px;padding:14px 20px;
  box-shadow:none;border:none;
}
.faq-acc .accordion-button:not(.collapsed){
  background:rgba(46,242,192,.10);
  color:var(--accent);
}
.faq-acc .accordion-button:focus{box-shadow:inset 0 0 0 2px rgba(46,242,192,.45);}
.faq-acc .accordion-button::after{filter:brightness(0) invert(1);opacity:.8;}
.faq-acc .accordion-body{
  color:var(--muted);font-size:14.5px;line-height:1.85;
  background:rgba(255,255,255,.02);
  padding:16px 20px 20px;
}

/* safety */
.safety-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:24px;align-items:start;}
.check-list{list-style:none;padding:0;margin:0;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-bottom:1px dashed var(--line);
  color:#C7D2E3;font-size:14.5px;
}
.check-list li:last-child{border-bottom:none;}
.check-list li::before{
  content:"✓";color:var(--accent);font-weight:700;flex:0 0 auto;line-height:1.6;
}
.rule-card{
  padding:24px;border-radius:var(--r-md);
  border:1px solid rgba(46,242,192,.32);
  background:linear-gradient(180deg,rgba(46,242,192,.10),rgba(255,255,255,.03));
  box-shadow:var(--shadow-soft);
}
.rule-card h3{font-size:17px;font-weight:700;margin-bottom:12px;}
.rule-card ul{list-style:none;padding:0;margin:0;}
.rule-card li{
  position:relative;padding-left:18px;margin-bottom:10px;
  color:#CBD6E5;font-size:14.5px;
}
.rule-card li:last-child{margin-bottom:0;}
.rule-card li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--accent-2);
}

/* news list */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.news-card{
  display:flex;gap:16px;padding:16px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(46,242,192,.45);box-shadow:var(--shadow);color:var(--text);}
.news-thumb{
  flex:0 0 132px;aspect-ratio:4/3;border-radius:12px;overflow:hidden;
  background:rgba(255,255,255,.06);
  display:grid;place-items:center;border:1px solid rgba(255,255,255,.07);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-thumb .ph{font-size:12px;color:var(--muted);letter-spacing:.08em;}
.news-body{min-width:0;}
.news-body h3{
  font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:10px;
  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;font-size:12.5px;color:var(--muted);}
.news-meta .tag{
  padding:2px 10px;border-radius:999px;border:1px solid rgba(46,242,192,.32);
  background:rgba(46,242,192,.08);color:var(--accent);font-size:12px;
}
.empty-state{
  padding:44px 20px;text-align:center;border-radius:var(--r-md);
  border:1px dashed var(--line);background:var(--glass);color:var(--muted);
}
.empty-state strong{display:block;color:var(--text);font-size:16px;margin-bottom:8px;}

/* download band */
.dl-band{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
}
.dl-card{
  padding:22px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.dl-card:hover{transform:translateY(-3px);border-color:rgba(46,242,192,.45);}
.dl-card h3{font-size:17px;font-weight:700;}
.dl-card p{font-size:13.5px;color:var(--muted);margin:0;}
.dl-card .btn-glow,.dl-card .btn-ghost{width:100%;margin-top:auto;}
.dl-note{font-size:12.5px;color:var(--muted);margin-top:16px;}

/* footer */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{color:var(--muted);font-size:13.5px;max-width:320px;margin:0;}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-dl{display:flex;flex-direction:column;gap:9px;margin-bottom:12px;}
.footer-dl a{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:transparent;
  color:var(--text);font-size:13.5px;font-weight:600;
  transition:all .18s ease-out;
}
.footer-dl a:hover{border-color:var(--accent);color:var(--accent);background:rgba(46,242,192,.10);}
.footer-note{font-size:12.5px;color:var(--muted);line-height:1.75;margin:0;}
.footer-bottom{
  padding-top:22px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:12.5px;color:var(--muted);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .cat-layout{grid-template-columns:200px minmax(0,1fr);gap:28px;}
  .news-thumb{flex:0 0 112px;}
}
@media (max-width:991.98px){
  .nav-chips{display:none;}
  .nav-toggle{display:grid;}
  .nav-shell{min-height:64px;gap:12px;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:14.5px;}
  .nav-cta{padding:0 14px;font-size:13.5px;}
  .section{padding:64px 0;}
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .toc{position:static;}
  .toc a{display:inline-block;margin:0 8px 8px 0;border-left:none;border:1px solid var(--line);}
  .toc a:hover{border-left:none;border-color:var(--accent);}
  .keys-grid{grid-template-columns:minmax(0,1fr);}
  .overview-grid{grid-template-columns:minmax(0,1fr);}
  .safety-grid{grid-template-columns:minmax(0,1fr);}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:minmax(0,1fr);}
  .dl-band{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .cat-hero{padding:34px 0 30px;}
  .content-block{padding-bottom:40px;margin-bottom:40px;}
  .flow{grid-template-columns:minmax(0,1fr);}
  .news-card{flex-direction:column;}
  .news-thumb{flex:0 0 auto;width:100%;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;}
  .btn-glow,.btn-ghost,.btn-soft{min-height:46px;}
  .nav-cta{min-height:42px;}
}