/* roulang page: index */
:root{
  --bg:#08111F;
  --bg-deep:#060D18;
  --bg-panel:#0A1828;
  --bg-panel-2:#0E1428;
  --glass:rgba(23,42,68,0.48);
  --glass-light:rgba(30,52,84,0.66);
  --line:rgba(160,190,255,0.16);
  --line-soft:rgba(160,190,255,0.09);
  --line-bright:rgba(150,210,255,0.35);
  --blue:#4D9FFF;
  --cyan:#27E0FF;
  --gold:#F0B657;
  --text:#EAF2FF;
  --text-soft:#94A6C1;
  --text-mute:#5E6E8A;
  --grad-main:linear-gradient(135deg,#4D9FFF 0%,#27E0FF 100%);
  --grad-soft:linear-gradient(135deg,rgba(77,159,255,0.16),rgba(39,224,255,0.06));
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 18px 48px rgba(2,8,20,0.35);
  --shadow-lg:0 24px 80px rgba(2,8,20,0.48);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Rajdhani","Inter","Bahnschrift","Arial Narrow",sans-serif;
  --transition:all .25s ease;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html,body{
  margin:0;
  padding:0;
  scroll-behavior:smooth;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}

body{
  overflow-x:hidden;
  background-image:
    radial-gradient(circle at 15% 0%, rgba(38,106,194,0.14), transparent 38%),
    radial-gradient(circle at 90% 10%, rgba(39,224,255,0.07), transparent 28%),
    linear-gradient(180deg,#08111F 0%,#070D17 100%);
}

img{
  max-width:100%;
  display:inline-block;
  vertical-align:middle;
}

a{
  color:inherit;
  text-decoration:none;
  transition:var(--transition);
}

ul,ol{
  padding:0;
  margin:0;
  list-style:none;
}

button,
input,
select,
textarea{
  font-family:inherit;
}

h1,h2,h3,h4,h5{
  margin:0;
  font-weight:600;
  line-height:1.3;
  color:var(--text);
}

p{
  margin:0 0 1em;
}

hr.sep{
  border:0;
  border-top:1px solid var(--line);
  margin:2.4rem 0;
}

.grid-container{
  max-width:1300px;
}

.grid-margin-x > .cell{
  margin-bottom:0;
}

.section{
  padding:96px 0;
  position:relative;
  z-index:1;
}

.section-tight{
  padding:64px 0;
}

@media screen and (max-width: 860px){
  .section{padding:64px 0;}
}

@media screen and (max-width: 520px){
  .section{padding:48px 0;}
}

/* Header Navigation */
.site-header{
  position:relative;
  z-index:50;
  width:100%;
  background:rgba(8,17,31,0.78);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
}

.site-header .grid-container{
  min-height:84px;
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:84px;
  gap:24px;
}

.brand-lockup{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}

.brand-symbol{
  width:36px;
  height:36px;
  border-radius:11px;
  background:var(--grad-main);
  box-shadow:0 0 18px rgba(77,159,255,0.38);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:17px;
  font-weight:700;
}

.brand-name{
  font-size:19px;
  font-weight:700;
  letter-spacing:0.01em;
  color:var(--text);
  white-space:nowrap;
}

.brand-name em{
  font-style:normal;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.desktop-nav{
  display:flex;
  align-items:center;
  gap:4px;
}

.desktop-nav .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  color:var(--text-soft);
  font-size:15px;
  letter-spacing:0.02em;
  border-radius:8px;
  line-height:1.2;
}

.desktop-nav .nav-link i{
  font-size:12px;
  opacity:0.8;
}

.desktop-nav .nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:5px;
  height:2px;
  border-radius:999px;
  background:var(--grad-main);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s ease;
  box-shadow:0 0 10px rgba(39,224,255,0.5);
}

.desktop-nav .nav-link:hover{
  color:var(--text);
}

.desktop-nav .nav-link:hover::after,
.desktop-nav .nav-link.is-active::after{
  transform:scaleX(1);
}

.desktop-nav .nav-link.is-active{
  color:#fff;
  font-weight:500;
}

.header-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex-shrink:0;
}

.header-download{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 18px;
  border-radius:999px;
  background:var(--grad-main);
  color:#08111F;
  font-weight:700;
  font-size:14px;
  box-shadow:0 0 16px rgba(77,159,255,0.2);
  transition:var(--transition);
}

.header-download:hover{
  color:#08111F;
  box-shadow:0 0 24px rgba(39,224,255,0.45);
  transform:translateY(-2px);
}

.menu-toggle{
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,0.04);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
}

.menu-toggle:hover{
  border-color:var(--line-bright);
  color:#fff;
}

.mobile-nav{
  display:none;
  border-top:1px solid var(--line-soft);
  padding:14px 20px 20px;
  background:rgba(10,24,40,0.9);
}

.mobile-nav.is-open{
  display:block;
}

.mobile-nav a{
  display:block;
  padding:13px 16px;
  color:var(--text-soft);
  border-bottom:1px solid var(--line-soft);
  border-radius:10px;
  font-size:15px;
}

.mobile-nav a:hover,
.mobile-nav a.is-active{
  color:#fff;
  background:rgba(77,159,255,0.08);
  border-bottom-color:var(--line-bright);
}

.mobile-nav a i{
  margin-right:8px;
  font-size:13px;
  color:var(--cyan);
  width:16px;
}

@media screen and (max-width: 860px){
  .desktop-nav{display:none;}
  .header-download .txt{display:none;}
  .header-download{width:42px;padding:0;justify-content:center;}
}

@media screen and (min-width: 861px){
  .mobile-nav{display:none!important;}
  .menu-toggle{display:none;}
}

/* Buttons */
.btn-main,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:52px;
  padding:0 30px;
  border-radius:14px;
  font-size:16px;
  font-weight:700;
  letter-spacing:0.02em;
  transition:var(--transition);
  cursor:pointer;
  border:1px solid transparent;
}

.btn-main{
  background:var(--grad-main);
  color:#08111F;
  box-shadow:0 0 18px rgba(77,159,255,0.28);
}

.btn-main i{
  font-size:15px;
}

.btn-main:hover{
  color:#08111F;
  transform:translateY(-3px);
  box-shadow:0 0 28px rgba(77,159,255,0.42);
}

.btn-main:active{
  transform:translateY(-1px);
  box-shadow:0 0 14px rgba(77,159,255,0.3);
}

.btn-ghost{
  background:rgba(255,255,255,0.04);
  border-color:var(--line);
  color:var(--text);
  backdrop-filter:blur(12px);
}

.btn-ghost i{
  font-size:14px;
  color:var(--cyan);
}

.btn-ghost:hover{
  border-color:var(--line-bright);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 34px rgba(2,8,20,0.26);
}

.btn-sm{
  min-height:42px;
  padding:0 22px;
  font-size:14px;
  border-radius:999px;
}

.btn-block{
  width:100%;
  justify-content:center;
}

@media screen and (max-width: 520px){
  .btn-main,.btn-ghost{width:100%;}
  .btn-inline-group .btn-ghost{margin-top:0;}
}

/* Hero */
.hero{
  position:relative;
  min-height:calc(100vh - 84px);
  display:flex;
  align-items:center;
  isolation:isolate;
  padding:120px 0 100px;
  overflow:hidden;
}

.hero-bg{
  position:absolute;
  inset:0;
  z-index:-2;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}

.hero-overlay{
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(90deg, rgba(8,17,31,0.96) 0%, rgba(8,17,31,0.82) 36%, rgba(8,17,31,0.3) 72%, rgba(8,17,31,0.62) 100%),
    linear-gradient(0deg, rgba(8,17,31,0.92) 0%, rgba(8,17,31,0.18) 50%, rgba(8,17,31,0.6) 100%);
}

.hero-inner{
  width:100%;
}

.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(23,42,68,0.35);
  color:var(--cyan);
  font-size:13px;
  letter-spacing:0.08em;
  margin-bottom:26px;
  backdrop-filter:blur(8px);
}

.hero-eyebrow .pulse-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(39,224,255,0.12),0 0 14px rgba(39,224,255,0.8);
}

.hero h1{
  font-size:52px;
  line-height:1.26;
  letter-spacing:0;
  margin-bottom:24px;
  color:#fff;
  font-weight:700;
  text-shadow:0 6px 40px rgba(2,8,20,0.45);
}

.hero h1 .accent{
  background:linear-gradient(120deg,#fff 20%,var(--cyan) 60%,var(--blue) 90%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.hero-lead{
  max-width:620px;
  color:var(--text-soft);
  font-size:18px;
  line-height:1.9;
  margin-bottom:36px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-bottom:56px;
}

.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:18px 38px;
}

.hero-fact .fact-num{
  display:block;
  font-family:var(--font-num);
  font-size:32px;
  font-weight:700;
  color:#fff;
  line-height:1;
}

.hero-fact .fact-num span{
  color:var(--gold);
  font-size:22px;
  margin-left:2px;
}

.hero-fact .fact-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--text-mute);
}

@media screen and (max-width: 1024px){
  .hero{min-height:auto;padding:92px 0 72px;}
  .hero h1{font-size:42px;}
  .hero-inner .cell{flex:0 0 100%;max-width:100%;}
}

@media screen and (max-width: 640px){
  .hero h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .hero-facts{gap:16px 24px;}
  .hero-fact .fact-num{font-size:26px;}
  .hero{padding:64px 0 48px;}
}

/* Section heading */
.section-head{
  margin-bottom:44px;
}

.eyebrow{
  font-size:13px;
  font-weight:600;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:10px;
  display:inline-flex;
  align-items:center;
  gap:10px;
}

.eyebrow::before{
  content:"";
  width:18px;
  height:2px;
  border-radius:999px;
  background:var(--cyan);
  box-shadow:0 0 12px rgba(39,224,255,0.7);
}

.section-head h2{
  font-size:36px;
  font-weight:700;
  margin-bottom:12px;
  line-height:1.3;
}

.section-head .head-note{
  color:var(--text-soft);
  font-size:16px;
  max-width:640px;
  line-height:1.8;
}

.section-head .align-right{
  text-align:right;
}

@media screen and (max-width: 860px){
  .section-head h2{font-size:28px;}
  .section-head .cell.text-right{text-align:left!important;margin-top:18px;}
}

/* Client Entry Section */
.client-section{
  background:
    linear-gradient(180deg, rgba(8,17,31,0.2) 0%, rgba(10,24,40,0.32) 100%);
}

.client-cards-wrap{
  display:grid;
  grid-template-columns:minmax(0, 7fr) minmax(0, 5fr);
  gap:28px;
}

.client-card{
  position:relative;
  min-height:360px;
  padding:40px 42px;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--line);
  transition:var(--transition);
}

.client-card::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  pointer-events:none;
  border-top:1px solid rgba(255,255,255,0.14);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.04);
}

.client-card:hover{
  border-color:var(--line-bright);
  transform:translateY(-4px);
  box-shadow:var(--shadow);
}

.client-pc{
  background:
    linear-gradient(120deg, rgba(14,26,50,0.94) 0%, rgba(10,24,40,0.65) 60%, rgba(38,112,180,0.22) 100%);
}

.client-pc::before{
  content:"\f109";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:-24px;
  bottom:-18px;
  font-size:220px;
  line-height:1;
  color:rgba(77,159,255,0.09);
  transform:rotate(-8deg);
}

.client-mobile{
  min-height:360px;
  background:
    linear-gradient(210deg, rgba(12,24,44,0.94), rgba(10,17,31,0.84)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}

.client-card .dev-icon{
  width:56px;
  height:56px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  background:var(--grad-main);
  color:#08111F;
  margin-bottom:24px;
  box-shadow:0 0 22px rgba(77,159,255,0.35);
}

.client-card h3{
  font-size:24px;
  margin-bottom:14px;
  color:#fff;
}

.client-card .card-desc{
  color:var(--text-soft);
  line-height:1.75;
  margin-bottom:26px;
  max-width:520px;
}

.client-card .card-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  margin-bottom:28px;
  padding-top:16px;
  border-top:1px solid var(--line-soft);
}

.client-card .card-meta li{
  font-size:13px;
  color:var(--text-mute);
}

.client-card .card-meta li strong{
  display:block;
  font-family:var(--font-num);
  font-size:18px;
  color:#fff;
  font-weight:600;
}

.client-card .card-meta li i{
  color:var(--gold);
  margin-right:5px;
}

.mobile-qr{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}

.qr-placeholder{
  width:104px;
  height:104px;
  border-radius:16px;
  background:
    linear-gradient(rgba(255,255,255,0.10) 1px, transparent 1px) 0 0/10px 10px,
    linear-gradient(90deg, rgba(255,255,255,0.10) 1px, transparent 1px) 0 0/10px 10px,
    rgba(255,255,255,0.06);
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-soft);
  font-size:13px;
  text-align:center;
  padding:8px;
}

.qr-tip{
  font-size:13px;
  color:var(--text-soft);
  line-height:1.7;
}

.qr-tip strong{color:#fff;}

@media screen and (max-width:860px){
  .client-cards-wrap{grid-template-columns:1fr;}
  .client-card{padding:30px 26px;min-height:0;}
}

/* Game / Play Overview */
.play-section{
  background:
    radial-gradient(circle at 75% 40%, rgba(39,224,255,0.06), transparent 30%);
}

.play-layout{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,0.9fr);
  gap:52px;
  align-items:center;
}

.play-visual{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--line);
}

.play-visual img{
  width:100%;
  height:560px;
  object-fit:cover;
  display:block;
}

.play-visual .image-attribution{
  position:absolute;
  left:16px;
  top:16px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(8,17,31,0.7);
  border:1px solid var(--line);
  color:var(--text-soft);
  font-size:12px;
  backdrop-filter:blur(8px);
}

.play-features{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.play-feature{
  position:relative;
  padding:26px 22px 26px 88px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,0.025);
  border:1px solid transparent;
  transition:var(--transition);
}

.play-feature:hover{
  background:rgba(23,42,68,0.42);
  border-color:var(--line);
}

.feature-no{
  position:absolute;
  left:20px;
  top:26px;
  width:42px;
  height:42px;
  border-radius:12px;
  background:var(--grad-soft);
  border:1px solid var(--line);
  color:var(--cyan);
  font-family:var(--font-num);
  font-size:18px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}

.play-feature h3{
  font-size:19px;
  color:#fff;
  margin-bottom:7px;
}

.play-feature p{
  margin:0;
  color:var(--text-soft);
  font-size:15px;
  line-height:1.7;
}

.play-bottom-action{
  margin-top:36px;
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

@media screen and (max-width:1024px){
  .play-layout{grid-template-columns:1fr;gap:32px;}
  .play-visual img{height:400px;}
}

/* Rewards / Membership preview */
.benefit-section{
  background:linear-gradient(180deg,#08111F, rgba(10,24,40,0.6) 20%, #08111F 100%);
  overflow:hidden;
}

.benefit-scroller{
  display:flex;
  gap:22px;
  padding:12px 4px 26px;
  overflow-x:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(77,159,255,0.34) transparent;
}

.benefit-scroller::-webkit-scrollbar{
  height:6px;
}

.benefit-scroller::-webkit-scrollbar-thumb{
  background:rgba(77,159,255,0.36);
  border-radius:999px;
}

.benefit-scroller::-webkit-scrollbar-track{
  background:rgba(255,255,255,0.03);
}

.benefit-card{
  position:relative;
  flex:0 0 310px;
  padding:30px 28px;
  border-radius:20px;
  background:linear-gradient(145deg, rgba(23,42,68,0.6), rgba(14,22,40,0.46));
  border:1px solid var(--line);
  transition:var(--transition);
  overflow:hidden;
}

.benefit-card.wide{
  flex-basis:360px;
}

.benefit-card.narrow{
  flex-basis:270px;
}

.benefit-card::before{
  content:"";
  position:absolute;
  left:-10%;
  right:-10%;
  top:-30%;
  height:80%;
  background:radial-gradient(ellipse at 20% 100%, rgba(77,159,255,0.16), transparent 60%);
  opacity:0.5;
  transition:opacity .3s;
}

.benefit-card:hover::before{
  opacity:0.8;
}

.benefit-card:hover{
  border-color:rgba(150,210,255,0.34);
  transform:translateY(-4px);
  box-shadow:var(--shadow);
}

.benefit-icon{
  width:48px;
  height:48px;
  border-radius:14px;
  background:rgba(77,159,255,0.12);
  border:1px solid var(--line);
  color:var(--cyan);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:21px;
  margin-bottom:22px;
}

.benefit-card.gold .benefit-icon{
  color:var(--gold);
  border-color:rgba(240,182,87,0.32);
  background:rgba(240,182,87,0.1);
}

.benefit-card h3{
  font-size:19px;
  color:#fff;
  margin-bottom:8px;
}

.benefit-card p{
  margin:0;
  color:var(--text-soft);
  font-size:15px;
  line-height:1.7;
}

/* Process */
.process-art{
  background:var(--bg-deep);
  position:relative;
  overflow:hidden;
}

.process-art .section-inner{
  position:relative;
}

.process-steps{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:24px;
  position:relative;
  counter-reset:step;
}

.process-steps .step-card{
  position:relative;
  padding:30px 20px 24px;
  border-radius:18px;
  background:rgba(23,42,68,0.2);
  border:1px solid var(--line-soft);
  text-align:center;
  transition:var(--transition);
}

.process-steps .step-card.done{
  border-color:rgba(77,159,255,0.4);
}

.process-steps .step-card.current{
  border-color:rgba(39,224,255,0.45);
  background:rgba(77,159,255,0.08);
  box-shadow:0 0 30px rgba(77,159,255,0.08);
}

.process-steps .step-card .step-num{
  display:block;
  font-family:var(--font-num);
  font-size:32px;
  font-weight:700;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(148,166,193,0.4);
  margin-bottom:14px;
}

.process-steps .step-card.done .step-num{
  color:var(--blue);
  -webkit-text-stroke:0;
}

.process-steps .step-card.current .step-num{
  color:var(--cyan);
  -webkit-text-stroke:0;
  text-shadow:0 0 18px rgba(39,224,255,0.3);
}

.process-steps .step-card h3{
  font-size:18px;
  color:#fff;
  margin-bottom:8px;
}

.process-steps .step-card p{
  margin:0;
  font-size:14px;
  color:var(--text-mute);
  line-height:1.7;
}

.process-steps::before{
  content:"";
  position:absolute;
  top:42%;
  left:6%;
  right:6%;
  height:1px;
  background:linear-gradient(90deg, rgba(77,159,255,0.35), rgba(39,224,255,0.06), rgba(39,224,255,0.35));
  z-index:0;
}

.process-steps .step-card::after{
  content:"";
  position:absolute;
  top:12px;
  left:50%;
  transform:translateX(-50%);
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid rgba(148,166,193,0.35);
}

.process-steps .step-card.done::after,
.process-steps .step-card.current::after{
  background:var(--cyan);
  border-color:rgba(39,224,255,0.7);
  box-shadow:0 0 12px rgba(39,224,255,0.7);
}

@media screen and (max-width:1024px){
  .process-steps{grid-template-columns:repeat(2, 1fr);gap:16px;}
}

@media screen and (max-width:520px){
  .process-steps{grid-template-columns:1fr;}
}

/* News section */
.news-section{
  background:
    radial-gradient(circle at 10% 20%, rgba(77,159,255,0.10), transparent 30%);
}

.cms-list-wrap{
  min-height:120px;
}

.news-grid{
  row-gap:28px;
}

.news-card{
  height:100%;
  display:flex;
  flex-direction:column;
  min-height:0;
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,0.025);
  border:1px solid var(--line);
  overflow:hidden;
  transition:var(--transition);
}

.news-card:hover{
  background:rgba(23,42,68,0.44);
  border-color:rgba(150,210,255,0.32);
  transform:translateY(-4px);
  box-shadow:var(--shadow);
}

.news-card-cover{
  position:relative;
  height:166px;
  overflow:hidden;
  background:#0A1828;
}

.news-card-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}

.news-card:hover .news-card-cover img{
  transform:scale(1.04);
}

.news-card-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 35%, rgba(8,17,31,0.8));
}

.news-card-body{
  padding:24px 24px 20px;
  flex:1;
  display:flex;
  flex-direction:column;
}

.news-title{
  font-size:18px;
  line-height:1.5;
  color:#fff;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:10px;
}

.news-desc{
  color:var(--text-soft);
  font-size:14px;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:18px;
  flex:1;
}

.news-meta-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(77,159,255,0.1);
  border:1px solid rgba(77,159,255,0.2);
  color:var(--cyan);
  font-size:12px;
}

.news-date{
  color:var(--text-mute);
  font-size:13px;
  font-family:var(--font-num);
}

.news-arrow{
  content:"";
  position:absolute;
  right:24px;
  bottom:24px;
}

.empty-state{
  min-height:180px;
  border:1px dashed var(--line);
  border-radius:var(--radius-lg);
  background:rgba(23,42,68,0.26);
  color:var(--text-soft);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  font-size:15px;
  gap:10px;
}

.empty-state i{
  font-size:26px;
  color:var(--text-mute);
}

/* FAQ */
.faq-section{
  background:linear-gradient(180deg,#08111F, rgba(10,24,40,0.44));
}

.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,0.9fr) minmax(0,1.1fr);
  gap:64px;
  align-items:start;
}

.faq-sticky{
  position:sticky;
  top:120px;
}

.faq-sticky p{
  color:var(--text-soft);
  line-height:1.8;
}

.faq-list{
  margin:0;
  background:transparent;
  border:none;
}

.faq-list .accordion-item{
  background:rgba(23,42,68,0.2);
  border:1px solid var(--line-soft);
  border-radius:15px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease;
}

.faq-list .accordion-item:hover{
  border-color:var(--line);
}

.faq-list .accordion-item.is-active{
  border-color:rgba(77,159,255,0.38);
}

.faq-list .accordion-title{
  background:transparent;
  border:none;
  color:var(--text);
  font-size:17px;
  font-weight:500;
  position:relative;
  padding:20px 58px 20px 22px;
  line-height:1.5;
  border-radius:15px;
}

.faq-list .accordion-title:hover{
  background:rgba(77,159,255,0.05);
  color:var(--cyan);
}

.faq-list .accordion-title::before{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:14px;
  color:var(--cyan);
  border:none;
  border-radius:50%;
  width:28px;
  height:28px;
  right:18px;
  left:auto;
  top:50%;
  transform:translateY(-50%);
  background:rgba(77,159,255,0.1);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .25s ease;
}

.faq-list .accordion-item.is-active .accordion-title::before{
  transform:translateY(-50%) rotate(180deg);
  background:rgba(39,224,255,0.18);
}

.faq-list .accordion-content{
  background:transparent;
  border:none;
  color:var(--text-soft);
  line-height:1.85;
  padding:4px 24px 22px 22px;
  font-size:15px;
}

.faq-help{
  margin-top:20px;
  padding:18px 22px;
  border-radius:15px;
  border:1px solid var(--line);
  background:rgba(77,159,255,0.06);
  color:var(--text-soft);
  font-size:14px;
  display:flex;
  align-items:flex-start;
  gap:12px;
}

.faq-help i{
  color:var(--gold);
  margin-top:4px;
}

.faq-help a{
  color:var(--cyan);
  font-weight:500;
}

@media screen and (max-width:1024px){
  .faq-layout{grid-template-columns:1fr;gap:38px;}
  .faq-sticky{position:static;}
  .faq-sticky h2{margin-top:0;}
}

@media screen and (max-width:640px){
  .faq-list .accordion-title{font-size:15px;padding-right:50px;}
}

/* CTA */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:110px 0;
  text-align:center;
}

.cta-band-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center 35%;
  background-repeat:no-repeat;
}

.cta-band-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(6,13,23,0.94), rgba(8,17,31,0.88));
}

.cta-band .grid-container{
  position:relative;
  z-index:2;
}

.cta-band h2{
  font-size:38px;
  color:#fff;
  margin-bottom:18px;
  text-shadow:0 8px 30px rgba(2,8,20,0.6);
}

.cta-band p{
  max-width:620px;
  margin:0 auto 36px;
  color:var(--text-soft);
  font-size:17px;
  line-height:1.9;
}

.cta-actions{
  display:flex;
  gap:18px;
  justify-content:center;
  flex-wrap:wrap;
}

@media screen and (max-width:640px){
  .cta-band{padding:72px 0;}
  .cta-band h2{font-size:28px;}
}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(6,13,23,0.72);
  padding:70px 0 0;
}

.footer-top{
  padding-bottom:46px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 0.8fr 1fr;
  gap:44px;
}

.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}

.footer-brand .brand-name{
  font-size:20px;
}

.footer-about{
  color:var(--text-soft);
  font-size:15px;
  line-height:1.8;
  max-width:360px;
}

.footer-col h4{
  font-size:16px;
  color:#fff;
  margin-bottom:18px;
  font-weight:600;
}

.footer-col ul li{
  margin-bottom:10px;
}

.footer-col ul li a{
  color:var(--text-soft);
  font-size:15px;
  line-height:1.6;
  display:inline-flex;
  align-items:center;
  gap:8px;
}

.footer-col ul li a i{
  font-size:12px;
  color:var(--text-mute);
  width:8px;
}

.footer-col ul li a:hover{
  color:var(--cyan);
}

.footer-col ul li a:hover i{
  color:var(--cyan);
}

.contact-line{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--text-soft);
  font-size:15px;
}

.contact-line i{
  width:34px;
  height:34px;
  border-radius:10px;
  background:rgba(77,159,255,0.1);
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--cyan);
}

.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding:22px 0;
  text-align:center;
  color:var(--text-mute);
  font-size:13px;
}

.footer-bottom span{
  margin:0 8px;
}

@media screen and (max-width:860px){
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .site-header .grid-container{min-height:0;}
  .header-inner{min-height:66px;}
}

/* roulang page: article */
:root{
  --bg:#08111F;
  --bg-deep:#050B14;
  --bg-soft:rgba(23,42,68,.48);
  --panel:rgba(10,22,38,.64);
  --blue:#4D9FFF;
  --cyan:#27E0FF;
  --amber:#F0B657;
  --text:#EAF2FF;
  --text-dim:#94A6C1;
  --text-faint:#5E6E8A;
  --border:rgba(160,190,255,.16);
  --border-hover:rgba(150,210,255,.35);
  --radius-lg:20px;
  --radius-md:14px;
  --radius-pill:999px;
  --shadow:0 16px 40px rgba(0,0,0,.26);
  --shadow-glow:0 12px 32px rgba(77,159,255,.22);
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Rajdhani","DIN Alternate","Bahnschrift","PingFang SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:
    radial-gradient(1000px 420px at 12% -6%, rgba(77,159,255,.13), transparent 60%),
    radial-gradient(800px 380px at 90% 8%, rgba(39,224,255,.07), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(160,190,255,.025) 1px, transparent 1px),linear-gradient(90deg, rgba(160,190,255,.025) 1px, transparent 1px);
  background-size:44px 44px;
  z-index:0;
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg, transparent 0%, rgba(5,11,20,.6) 100%);
  z-index:0;
}

a{color:inherit; text-decoration:none;}
a:hover{color:inherit;}
img{max-width:100%; display:block;}
ul,ol{padding-left:0;}

.grid-container{
  max-width:1280px;
  padding-left:4vw;
  padding-right:4vw;
}

#top, .site-header{
  position:relative;
  z-index:50;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(5,12,22,.72);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(160,190,255,.12);
}

.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:84px;
  gap:24px;
}

.brand-lockup{
  display:inline-flex;
  align-items:center;
  gap:12px;
  white-space:nowrap;
}

.brand-symbol{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:12px;
  background:linear-gradient(135deg, rgba(77,159,255,.22), rgba(39,224,255,.1));
  border:1px solid rgba(120,190,255,.28);
  color:#fff;
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  box-shadow:0 0 22px rgba(77,159,255,.16) inset;
}

.brand-name{
  font-size:20px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--text);
}

.brand-name b{
  color:var(--cyan);
  font-weight:600;
}

.desktop-nav{
  display:flex;
  align-items:center;
  gap:30px;
  margin-left:auto;
}

.desktop-nav .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 2px;
  color:var(--text-dim);
  font-size:15px;
  font-weight:500;
  letter-spacing:.02em;
  transition:color .25s ease;
}

.desktop-nav .nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:1px;
  background:linear-gradient(90deg, var(--blue), var(--cyan));
  opacity:0;
  transition:width .28s ease, opacity .28s ease;
}

.desktop-nav .nav-link:hover{
  color:#fff;
}

.desktop-nav .nav-link:hover::after{
  width:100%;
  opacity:1;
}

.desktop-nav .nav-link.is-active{
  color:#fff;
}

.desktop-nav .nav-link.is-active::after{
  width:100%;
  opacity:1;
}

.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:6px;
}

.header-download{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 20px;
  border-radius:12px;
  background:linear-gradient(135deg, #3D8BFF, #22C7F0);
  color:#fff;
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  box-shadow:0 8px 24px rgba(61,139,255,.22);
  transition:transform .25s ease, box-shadow .25s ease;
}

.header-download:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(77,159,255,.34);
}

.menu-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--border);
  background:rgba(10,22,38,.4);
  color:var(--text);
  font-size:18px;
  justify-content:center;
  align-items:center;
  cursor:pointer;
}

.menu-toggle:hover{
  border-color:rgba(100,180,255,.4);
}

.mobile-nav{
  display:none;
  padding:0 4vw 20px;
  border-top:1px solid rgba(160,190,255,.1);
}

.mobile-nav.is-open{
  display:block;
}

.mobile-nav a{
  display:flex;
  align-items:center;
  gap:8px;
  padding:14px 6px;
  color:var(--text-dim);
  border-bottom:1px solid rgba(160,190,255,.08);
  font-size:15px;
}

.mobile-nav a i{
  color:var(--blue);
  font-size:12px;
}

.mobile-nav a:hover,
.mobile-nav a.is-active{
  color:#fff;
}

/* ---------- Article Banner ---------- */
.article-banner{
  position:relative;
  z-index:1;
  margin-top:-1px;
  padding:84px 0 72px;
  background:
    linear-gradient(180deg, rgba(5,12,22,.52) 0%, rgba(8,17,31,.96) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid rgba(160,190,255,.1);
}

.article-banner-inner{
  max-width:900px;
  margin:0 auto;
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  color:var(--text-faint);
  font-size:14px;
  margin-bottom:18px;
}

.breadcrumb a{
  color:var(--text-dim);
  transition:color .2s;
}

.breadcrumb a:hover{
  color:var(--cyan);
}

.breadcrumb i{
  font-size:11px;
  color:var(--text-faint);
}

.breadcrumb .crumb-current{
  color:var(--text-dim);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  max-width:260px;
}

.article-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:999px;
  background:rgba(77,159,255,.12);
  border:1px solid rgba(77,159,255,.24);
  color:var(--cyan);
  font-size:13px;
  letter-spacing:.06em;
  margin-bottom:20px;
}

.article-headline h1{
  font-family:var(--font-sans);
  font-size:46px;
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.015em;
  color:#fff;
  margin:0 0 22px;
  max-width:880px;
  text-wrap:balance;
}

.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 26px;
  margin-top:4px;
  color:var(--text-dim);
  font-size:14px;
}

.article-meta .meta-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
}

.article-meta .meta-item i{
  color:var(--blue);
}

.article-meta .meta-cat{
  color:var(--cyan);
  font-weight:500;
}

/* ---------- Main Article ---------- */
.site-main{
  position:relative;
  z-index:2;
  padding-top:64px;
}

.article-wrap{
  padding-bottom:20px;
}

.article-card{
  position:relative;
  max-width:880px;
  margin:0 auto;
  padding:56px 62px;
  border-radius:var(--radius-lg);
  background:linear-gradient(150deg, rgba(14,28,48,.78), rgba(7,16,30,.82));
  border:1px solid var(--border);
  box-shadow:0 22px 60px rgba(0,0,0,.3);
  overflow:hidden;
}

.article-card::before{
  content:"";
  position:absolute;
  left:14%;
  right:14%;
  top:0;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(130,200,255,.7), transparent);
  pointer-events:none;
}

.article-content{
  color:rgba(234,242,255,.91);
  font-size:17px;
  line-height:1.85;
}

.article-content > *:first-child{
  margin-top:0;
}

.article-content p{
  margin:0 0 1.35em;
}

.article-content h2{
  font-size:28px;
  line-height:1.4;
  color:#fff;
  margin:2em 0 .9em;
  font-weight:800;
}

.article-content h3{
  font-size:22px;
  line-height:1.45;
  color:#fff;
  margin:1.8em 0 .8em;
  font-weight:700;
}

.article-content h4{
  font-size:18px;
  color:var(--text);
  font-weight:700;
  margin:1.6em 0 .6em;
}

.article-content ul,
.article-content ol{
  padding-left:1.2em;
  margin:0 0 1.4em;
}

.article-content li{
  margin-bottom:.55em;
}

.article-content a{
  color:var(--cyan);
  border-bottom:1px solid rgba(39,224,255,.35);
}

.article-content a:hover{
  color:#fff;
  border-bottom-color:var(--cyan);
}

.article-content blockquote{
  position:relative;
  margin:1.8em 0;
  padding:18px 24px 18px 28px;
  border-radius:10px;
  background:rgba(77,159,255,.08);
  border:1px solid rgba(77,159,255,.15);
  border-left:3px solid var(--blue);
  color:rgba(234,242,255,.85);
}

.article-content blockquote p{
  margin-bottom:.4em;
}

.article-content img{
  border-radius:16px;
  margin:1.8em auto;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}

.article-content figure{
  margin:1.8em 0;
}

.article-content figcaption{
  text-align:center;
  color:var(--text-faint);
  font-size:13px;
  margin-top:8px;
}

.article-content code{
  background:rgba(39,224,255,.1);
  border-radius:6px;
  color:var(--cyan);
  padding:2px 7px;
  font-size:.9em;
}

.article-content pre{
  background:rgba(5,11,20,.8);
  border:1px solid var(--border);
  border-radius:14px;
  padding:20px;
  overflow-x:auto;
}

.article-content pre code{
  background:transparent;
  color:#DDEAFB;
}

.article-content table{
  width:100%;
  margin:1.8em 0;
  border-collapse:collapse;
  border-radius:12px;
  overflow:hidden;
  font-size:15px;
}

.article-content th{
  background:rgba(77,159,255,.14);
  color:#fff;
  text-align:left;
}

.article-content th,
.article-content td{
  padding:12px 14px;
  border:1px solid rgba(160,190,255,.15);
}

.article-content tr:nth-child(even) td{
  background:rgba(160,190,255,.03);
}

.article-content hr{
  border:none;
  height:1px;
  background:linear-gradient(90deg, transparent, var(--border-hover), transparent);
  margin:2.4em 0;
}

.article-content iframe{
  max-width:100%;
  border-radius:14px;
  border:1px solid var(--border);
}

/* ---------- Not Found ---------- */
.not-found-card{
  text-align:center;
  padding:56px 20px 40px;
}

.not-found-card .not-found-icon{
  width:78px;
  height:78px;
  margin:0 auto 22px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:20px;
  background:rgba(77,159,255,.08);
  border:1px solid rgba(77,159,255,.2);
  color:var(--blue);
  font-size:30px;
}

.not-found-card p{
  color:var(--text-dim);
  font-size:16px;
  margin-bottom:28px;
}

/* ---------- Article Tags / Return ---------- */
.article-end{
  margin-top:50px;
  padding-top:26px;
  border-top:1px solid rgba(160,190,255,.12);
}

.article-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:26px;
}

.article-tags .tags-label{
  color:var(--text-faint);
  font-size:14px;
}

.article-tags a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(10,22,38,.44);
  color:var(--text-dim);
  font-size:13px;
  transition:all .22s ease;
}

.article-tags a:hover{
  color:#fff;
  border-color:rgba(77,159,255,.45);
  background:rgba(77,159,255,.12);
}

.article-return{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(10,22,38,.35);
  color:var(--text-dim);
  font-size:14px;
  font-weight:500;
  transition:all .25s ease;
}

.btn-ghost:hover{
  color:#fff;
  border-color:rgba(120,190,255,.4);
  background:rgba(10,22,38,.7);
}

.btn-primary{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 24px;
  border-radius:12px;
  background:linear-gradient(135deg, #3D8BFF, #22C7F0);
  color:#fff;
  font-size:14px;
  font-weight:600;
  box-shadow:0 10px 28px rgba(61,139,255,.22);
  transition:transform .25s ease, box-shadow .25s ease;
}

.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 34px rgba(77,159,255,.38);
}

/* ---------- Related Section ---------- */
.section-related{
  position:relative;
  z-index:2;
  padding:0 0 30px;
  max-width:1240px;
  margin:0 auto;
}

.related-heading{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin:70px 0 32px;
}

.related-heading .section-label{
  color:var(--cyan);
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:8px;
}

.related-heading h2{
  font-size:30px;
  font-weight:800;
  color:#fff;
  margin:0;
}

.related-heading .more-link{
  color:var(--text-dim);
  font-size:14px;
  white-space:nowrap;
}

.related-heading .more-link i{
  margin-left:4px;
  color:var(--blue);
}

.related-grid{
  gap:24px 0;
}

.guide-card{
  position:relative;
  height:100%;
  border-radius:18px;
  border:1px solid var(--border);
  background:linear-gradient(150deg, rgba(16,31,52,.7), rgba(7,16,30,.82));
  overflow:hidden;
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
  display:flex;
  flex-direction:column;
}

.guide-card:hover{
  transform:translateY(-5px);
  border-color:rgba(150,210,255,.38);
  box-shadow:0 18px 44px rgba(0,0,0,.32), 0 0 24px rgba(77,159,255,.12);
}

.guide-thumb{
  position:relative;
  height:184px;
  overflow:hidden;
}

.guide-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .55s ease;
}

.guide-card:hover .guide-thumb img{
  transform:scale(1.05);
}

.guide-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 45%, rgba(8,15,28,.75) 100%);
}

.guide-cat{
  position:absolute;
  left:14px;
  top:14px;
  z-index:2;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(5,13,24,.68);
  border:1px solid rgba(150,200,255,.32);
  color:var(--cyan);
  font-size:12px;
  backdrop-filter:blur(10px);
}

.guide-body{
  flex:1;
  display:flex;
  flex-direction:column;
  padding:18px 18px 20px;
}

.guide-body h3{
  margin:0 0 8px;
  font-size:18px;
  font-weight:700;
  color:#fff;
}

.guide-body p{
  margin:0 0 18px;
  color:var(--text-dim);
  font-size:14px;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.guide-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:auto;
  color:var(--blue);
  font-size:14px;
  font-weight:500;
  transition:gap .25s ease, color .25s ease;
}

.guide-link:hover{
  color:var(--cyan);
  gap:12px;
}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  z-index:2;
  margin-top:80px;
  background:linear-gradient(180deg, rgba(6,13,25,.6), rgba(4,9,18,.9));
  border-top:1px solid rgba(160,190,255,.1);
}

.footer-top{
  padding-top:68px;
  padding-bottom:44px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr;
  gap:48px;
}

.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}

.footer-brand .brand-symbol{
  width:40px;
  height:40px;
  border-radius:12px;
}

.footer-brand .brand-name{
  font-size:20px;
}

.footer-about{
  margin:0;
  color:var(--text-dim);
  font-size:14px;
  line-height:1.85;
  max-width:360px;
}

.footer-col h4{
  font-size:14px;
  color:#fff;
  margin:0 0 18px;
  letter-spacing:.06em;
  font-weight:600;
}

.footer-col ul{
  list-style:none;
  margin:0;
  padding:0;
}

.footer-col li{
  margin-bottom:10px;
}

.footer-col li a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--text-dim);
  font-size:14px;
  transition:color .2s ease, padding-left .2s ease;
}

.footer-col li a i{
  color:var(--text-faint);
  font-size:11px;
  transition:color .2s ease;
}

.footer-col li a:hover{
  color:#fff;
  padding-left:3px;
}

.footer-col li a:hover i{
  color:var(--cyan);
}

.footer-bottom{
  border-top:1px solid rgba(160,190,255,.08);
  padding:20px 0;
}

.footer-bottom .grid-container{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:8px;
  color:var(--text-faint);
  font-size:13px;
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
  .desktop-nav{
    gap:18px;
  }

  .desktop-nav .nav-link{
    font-size:14px;
  }

  .header-download .txt{
    display:none;
  }

  .header-download{
    width:42px;
    padding:0;
    justify-content:center;
  }

  .article-card{
    padding:46px 40px;
  }

  .article-headline h1{
    font-size:38px;
  }
}

@media screen and (max-width:860px){
  .desktop-nav,
  .header-download{
    display:none;
  }

  .menu-toggle{
    display:inline-flex;
  }

  .header-inner{
    min-height:72px;
  }

  .article-banner{
    padding:56px 0 54px;
  }

  .article-headline h1{
    font-size:32px;
  }

  .site-main{
    padding-top:40px;
  }

  .article-card{
    padding:36px 24px;
    border-radius:16px;
  }

  .article-content{
    font-size:16px;
  }

  .article-return .btn-ghost,
  .article-return .btn-primary{
    width:100%;
    justify-content:center;
  }

  .footer-grid{
    grid-template-columns:1fr;
    gap:30px;
  }

  .footer-top{
    padding-top:50px;
    padding-bottom:30px;
  }

  .related-heading{
    align-items:flex-start;
    flex-direction:column;
    gap:12px;
    margin-top:52px;
  }
}

@media screen and (max-width:520px){
  .grid-container{
    padding-left:5vw;
    padding-right:5vw;
  }

  .brand-symbol{
    width:36px;
    height:36px;
    font-size:13px;
  }

  .brand-name{
    font-size:17px;
  }

  .article-banner{
    padding:44px 0 38px;
  }

  .breadcrumb .crumb-current{
    max-width:190px;
  }

  .article-eyebrow{
    font-size:12px;
  }

  .article-headline h1{
    font-size:27px;
    line-height:1.36;
  }

  .article-meta{
    gap:10px 16px;
    font-size:13px;
  }

  .site-main{
    padding-top:24px;
  }

  .article-card{
    padding:28px 18px;
  }

  .article-content h2{
    font-size:23px;
  }

  .article-content h3{
    font-size:20px;
  }

  .article-content table{
    font-size:13px;
  }

  .article-content th,
  .article-content td{
    padding:9px 8px;
  }

  .guide-thumb{
    height:150px;
  }

  .related-heading h2{
    font-size:24px;
  }

  .footer-bottom .grid-container{
    flex-direction:column;
    gap:4px;
    text-align:center;
  }
}

/* roulang page: category1 */
:root{
  --bg:#08111F;
  --bg-deep:#0A1828;
  --bg-soft:#0E1428;
  --panel:rgba(23,42,68,0.48);
  --panel-strong:rgba(18,34,60,0.72);
  --glass-border:rgba(160,190,255,0.16);
  --glass-highlight:rgba(230,244,255,0.08);
  --blue:#4D9FFF;
  --cyan:#27E0FF;
  --gold:#F0B657;
  --text:#EAF2FF;
  --text-2:#94A6C1;
  --muted:#5E6E8A;
  --border:rgba(160,190,255,0.12);
  --radius-xl:20px;
  --radius-lg:16px;
  --radius-md:14px;
  --radius-pill:999px;
  --shadow-panel:0 18px 46px rgba(0,0,0,0.22);
  --shadow-cta:0 8px 30px rgba(77,159,255,0.18);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  --font-num:"Inter","Rajdhani","PingFang SC",sans-serif;
  --ease:all .25s cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html,body{padding:0;margin:0}
body{
  font-family:var(--font-cn);
  color:var(--text);
  background:var(--bg);
  background-image:radial-gradient(circle at 74% 6%,rgba(33,83,140,.28),transparent 30%),radial-gradient(circle at 12% 26%,rgba(17,52,101,.18),transparent 28%);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegacy;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
.grid-container{max-width:1280px}
::selection{background:rgba(77,159,255,.38);color:#fff}

button:focus-visible,a:focus-visible,input:focus-visible{
  outline:2px solid rgba(77,159,255,.75);
  outline-offset:3px;
  border-radius:4px;
}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(8,17,31,.74);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(160,190,255,.10);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:84px;
}
.brand-lockup{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  letter-spacing:.02em;
}
.brand-symbol{
  width:42px;
  height:42px;
  border-radius:13px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-num);
  font-weight:800;
  font-size:16px;
  color:#fff;
  background:linear-gradient(135deg,#4D9FFF,#27E0FF);
  box-shadow:0 8px 26px rgba(77,159,255,.3),0 0 0 1px rgba(255,255,255,.16) inset;
}
.brand-name{
  background:linear-gradient(90deg,#EAF2FF,#fff);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-weight:800;
  font-size:19px;
}
.desktop-nav{display:flex;align-items:center;gap:34px}
.desktop-nav .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 2px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:var(--ease);
}
.desktop-nav .nav-link span{
  position:relative;
  z-index:1;
}
.desktop-nav .nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:4px;
  width:0;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg,#4D9FFF,#27E0FF);
  transition:width .3s ease;
}
.desktop-nav .nav-link:hover{
  color:#fff;
}
.desktop-nav .nav-link:hover::after{
  width:100%;
}
.desktop-nav .nav-link.is-active{
  color:#fff;
}
.desktop-nav .nav-link.is-active::before{
  content:"";
  position:absolute;
  bottom:5px;
  left:50%;
  transform:translateX(-50%);
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 12px rgba(39,224,255,.8);
}
.desktop-nav .nav-link.is-active::after{
  width:100%;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
}
.header-download{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:linear-gradient(120deg,rgba(77,159,255,.16),rgba(39,224,255,.10));
  border:1px solid rgba(77,159,255,.35);
  color:#fff;
  font-size:13.5px;
  font-weight:600;
  padding:9px 16px;
  border-radius:999px;
  transition:var(--ease);
}
.header-download:hover{
  border-color:rgba(77,159,255,.75);
  box-shadow:0 0 22px rgba(77,159,255,.24);
  transform:translateY(-1px);
}
.header-download i{
  color:var(--cyan);
  font-size:14px;
}
.menu-toggle{
  display:none;
  background:rgba(23,42,68,.5);
  border:1px solid rgba(160,190,255,.18);
  color:#fff;
  width:42px;
  height:42px;
  border-radius:12px;
  font-size:17px;
  cursor:pointer;
  transition:var(--ease);
}
.menu-toggle:hover{
  border-color:rgba(77,159,255,.6);
  color:#fff;
}
.mobile-nav{
  display:none;
}

main{overflow:hidden}
.section-block{
  padding:104px 0;
  position:relative;
}

.page-hero{
  position:relative;
  min-height:520px;
  display:flex;
  align-items:center;
  padding:108px 0 112px;
  overflow:hidden;
  background:var(--bg-deep);
}
.hero-backdrop{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center 20%;
  z-index:0;
}
.hero-backdrop::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(8,17,31,.94) 0%,rgba(8,17,31,.76) 44%,rgba(9,24,44,.42) 100%),
    linear-gradient(0deg,rgba(8,17,31,.82) 0%,rgba(8,17,31,.1) 50%,rgba(8,17,31,.52) 100%);
  z-index:1;
}
.hero-backdrop::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(160,190,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(160,190,255,.04) 1px,transparent 1px);
  background-size:72px 72px;
  z-index:2;
  mix-blend-mode:screen;
}
.hero-inner{
  position:relative;
  z-index:3;
  max-width:820px;
  margin-right:auto;
  margin-left:0;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--cyan);
  background:rgba(39,224,255,.08);
  border:1px solid rgba(39,224,255,.26);
  padding:7px 14px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:24px;
  animation:heroFloat .8s .08s both;
}
.page-hero h1{
  font-size:54px;
  font-weight:850;
  letter-spacing:-.02em;
  line-height:1.14;
  margin:0 0 20px;
  color:#fff;
  animation:heroFloat .8s .18s both;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,#9DD0FF,#27E0FF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:18px;
  color:var(--text-2);
  max-width:680px;
  margin:0 0 34px;
  line-height:1.9;
  animation:heroFloat .8s .28s both;
}
.hero-actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
  animation:heroFloat .8s .38s both;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border:none;
  cursor:pointer;
  border-radius:12px;
  padding:0 22px;
  height:50px;
  font-weight:600;
  font-size:15.5px;
  letter-spacing:.02em;
  background:transparent;
  transition:var(--ease);
}
.btn-primary{
  background:linear-gradient(120deg,#4D9FFF,#27E0FF);
  color:#fff;
  box-shadow:0 8px 28px rgba(77,159,255,.25);
}
.btn-primary:hover{
  box-shadow:0 12px 38px rgba(39,224,255,.32);
  transform:translateY(-2px);
  color:#fff;
}
.btn-primary:active{
  transform:translateY(-1px);
  box-shadow:0 6px 20px rgba(39,224,255,.3);
}
.btn-ghost{
  background:rgba(23,42,68,.4);
  border:1px solid rgba(160,190,255,.3);
  color:#EAF2FF;
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  border-color:rgba(160,190,255,.7);
  background:rgba(40,66,105,.45);
  transform:translateY(-1px);
}
.btn-ghost i{
  color:var(--cyan);
}
.btn-gold{
  background:linear-gradient(120deg,#F0B657,#D98F3B);
  color:#0B1018;
  box-shadow:0 8px 26px rgba(240,182,87,.22);
}
.btn-gold:hover{
  transform:translateY(-2px);
  color:#0B1018;
}
@keyframes heroFloat{
  0%{opacity:0;transform:translateY(24px)}
  100%{opacity:1;transform:translateY(0)}
}

.eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--cyan);
  margin-bottom:12px;
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:28px;
  height:1px;
  background:linear-gradient(90deg,rgba(39,224,255,.2),#27E0FF);
}
.section-title{
  font-size:38px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.015em;
  margin:0 0 16px;
  color:#fff;
}
.section-sub{
  color:var(--text-2);
  font-size:17px;
  line-height:1.8;
  max-width:780px;
}
.split-title{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:30px;
  margin-bottom:54px;
}

.intro-cards{
  margin-top:44px;
}
.soft-card{
  position:relative;
  background:linear-gradient(160deg,rgba(23,42,68,.52),rgba(14,20,40,.35));
  border:1px solid rgba(160,190,255,.14);
  border-radius:18px;
  padding:26px 24px;
  height:100%;
  overflow:hidden;
  transition:var(--ease);
}
.soft-card::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.26),transparent);
}
.soft-card:hover{
  border-color:rgba(150,210,255,.38);
  transform:translateY(-3px);
  box-shadow:0 18px 42px rgba(0,0,0,.24);
}
.soft-card .icon-orb{
  width:52px;
  height:52px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  color:#fff;
  background:linear-gradient(145deg,rgba(77,159,255,.9),rgba(39,224,255,.6));
  box-shadow:0 10px 26px rgba(77,159,255,.24);
  margin-bottom:18px;
}
.soft-card h3{
  font-size:19px;
  color:#fff;
  margin:0 0 8px;
  font-weight:700;
}
.soft-card p{
  color:var(--text-2);
  font-size:15px;
  line-height:1.75;
  margin:0;
}
.soft-card .card-tag{
  display:inline-flex;
  margin-top:16px;
  font-size:13px;
  color:var(--cyan);
  align-items:center;
  gap:6px;
}
.soft-card .card-tag i{
  transition:transform .25s ease;
}
.soft-card:hover .card-tag i{
  transform:translateX(4px);
}

.narrative-wrap{
  background:linear-gradient(180deg,rgba(10,24,40,.54),rgba(8,17,31,.2));
  border-top:1px solid rgba(160,190,255,.08);
  border-bottom:1px solid rgba(160,190,255,.08);
}
.narrative-row{
  padding:54px 0 58px;
  border-bottom:1px solid rgba(160,190,255,.08);
}
.narrative-row:last-child{
  border-bottom:none;
  padding-bottom:20px;
}
.narrative-row:first-child{
  padding-top:10px;
}
.number-index{
  display:flex;
  align-items:flex-start;
  gap:16px;
  margin-bottom:12px;
}
.number-index .num{
  flex-shrink:0;
  min-width:52px;
  height:34px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--cyan);
  font-family:var(--font-num);
  font-weight:700;
  font-size:16px;
  background:rgba(39,224,255,.08);
  border:1px solid rgba(39,224,255,.24);
  letter-spacing:.03em;
  padding:0 10px;
}
.content-title{
  font-size:25px;
  color:#fff;
  font-weight:800;
  margin:0 0 14px;
  line-height:1.4;
}
.content-desc{
  color:var(--text-2);
  font-size:16px;
  line-height:1.9;
  margin:0 0 22px;
}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:var(--text-2);
  font-size:15px;
  margin-bottom:10px;
  line-height:1.7;
}
.check-list li i{
  color:var(--cyan);
  margin-top:5px;
  font-size:13px;
  background:rgba(39,224,255,.08);
  width:20px;
  height:20px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.media-frame{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid rgba(160,190,255,.18);
  box-shadow:0 22px 56px rgba(0,0,0,.28);
  background:rgba(23,42,68,.4);
}
.media-frame img{
  width:100%;
  height:360px;
  object-fit:cover;
  opacity:.96;
}
.media-frame::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:24px;
  border:1px solid transparent;
  background:linear-gradient(145deg,rgba(255,255,255,.16),transparent 35%,transparent 65%,rgba(39,224,255,.08)) border-box;
  -webkit-mask:linear-gradient(#fff 0 0) padding-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  pointer-events:none;
  z-index:2;
}
.media-frame::after{
  content:"";
  position:absolute;
  bottom:0;
  left:0;
  width:100%;
  height:42%;
  background:linear-gradient(0deg,rgba(8,17,31,.54),transparent);
  z-index:1;
}
.media-caption{
  position:absolute;
  left:20px;
  bottom:16px;
  z-index:3;
  color:#fff;
  background:rgba(8,17,31,.46);
  border:1px solid rgba(255,255,255,.12);
  padding:6px 12px;
  border-radius:999px;
  font-size:13px;
  backdrop-filter:blur(10px);
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.media-caption i{
  color:var(--cyan);
}
.narrative-row.reverse .media-col{
  order:2;
}
.narrative-row.reverse .content-col{
  order:1;
}

.table-section{
  padding:108px 0 100px;
  background:var(--bg-deep);
}
.table-glass{
  background:linear-gradient(160deg,rgba(23,42,68,.54),rgba(14,20,40,.28));
  padding:34px 30px 30px;
  border-radius:24px;
  border:1px solid rgba(160,190,255,.16);
  box-shadow:var(--shadow-panel);
  position:relative;
  overflow:hidden;
}
.table-glass::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(77,159,255,.12) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.32;
  pointer-events:none;
}
.table-scroll{
  overflow-x:auto;
  position:relative;
  z-index:1;
}
.function-table{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
}
.function-table th{
  font-size:14px;
  color:var(--cyan);
  text-align:left;
  font-weight:700;
  padding:14px 16px;
  border-bottom:1px solid rgba(77,159,255,.22);
  background:rgba(77,159,255,.06);
}
.function-table th:first-child{border-top-left-radius:12px}
.function-table th:last-child{border-top-right-radius:12px}
.function-table td{
  padding:17px 16px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.7;
  border-bottom:1px solid rgba(160,190,255,.08);
  vertical-align:middle;
}
.function-table tr:last-child td{border-bottom:none}
.function-table td:first-child{
  color:#fff;
  font-weight:650;
}
.function-table tr:hover td{
  background:rgba(77,159,255,.035);
}
.function-table .status-cell{
  color:var(--cyan);
  font-size:13px;
  white-space:nowrap;
}
.function-table .status-cell i{
  margin-right:5px;
  font-size:11px;
}

.process-section{
  position:relative;
  padding:112px 0;
  background:var(--bg);
  overflow:hidden;
}
.process-section .section-bg{
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.webp') center 32% / cover no-repeat;
  opacity:.24;
  z-index:0;
}
.process-section .section-inner{
  position:relative;
  z-index:2;
}
.process-steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
  margin-top:48px;
  position:relative;
}
.process-steps::before{
  content:"";
  position:absolute;
  top:38px;
  left:8%;
  right:8%;
  height:1px;
  background:linear-gradient(90deg,rgba(39,224,255,.45),rgba(77,159,255,.2));
}
.process-step{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  padding:0 4px;
  z-index:1;
}
.step-dot{
  width:76px;
  height:76px;
  border-radius:24px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(145deg,rgba(23,42,68,.85),rgba(10,18,35,.8));
  color:var(--cyan);
  border:1px solid rgba(39,224,255,.3);
  box-shadow:0 0 0 8px rgba(39,224,255,.035);
  font-size:23px;
  margin-bottom:17px;
  transition:var(--ease);
}
.process-step:hover .step-dot{
  box-shadow:0 0 0 8px rgba(39,224,255,.08),0 8px 28px rgba(39,224,255,.18);
  transform:translateY(-3px);
}
.process-step h3{
  font-size:16px;
  color:#fff;
  margin:0 0 6px;
  font-weight:700;
}
.process-step p{
  color:var(--text-2);
  font-size:13px;
  line-height:1.6;
  margin:0;
  max-width:170px;
}
.process-note{
  margin-top:46px;
  text-align:center;
}
.process-note .note-card{
  display:inline-flex;
  flex-wrap:wrap;
  gap:10px 22px;
  justify-content:center;
  background:rgba(23,42,68,.42);
  border:1px solid rgba(160,190,255,.12);
  border-radius:999px;
  padding:12px 24px;
  color:var(--text-2);
  font-size:14px;
}
.process-note .note-card span{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.process-note .note-card i{
  color:var(--gold);
}

.tips-section{
  background:linear-gradient(180deg,rgba(8,17,31,.4),rgba(10,24,40,.6));
  padding:104px 0 96px;
}
.tips-grid{
  margin-top:42px;
}
.tip-card{
  height:100%;
  border-radius:20px;
  background:rgba(23,42,68,.4);
  border:1px solid rgba(160,190,255,.14);
  padding:28px 26px;
  transition:var(--ease);
}
.tip-card:hover{
  transform:translateY(-3px);
  border-color:rgba(150,210,255,.4);
  box-shadow:0 18px 40px rgba(0,0,0,.2);
}
.tip-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:12px;
}
.tip-index{
  color:var(--gold);
  font-family:var(--font-num);
  font-weight:700;
  letter-spacing:.08em;
  font-size:15px;
}
.tip-icon{
  width:38px;
  height:38px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(77,159,255,.12);
  color:#4D9FFF;
  font-size:15px;
}
.tip-card h4{
  color:#fff;
  font-size:19px;
  margin:0 0 8px;
}
.tip-card p{
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
  margin:0;
}
.tip-card .tip-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--cyan);
  font-size:14px;
  margin-top:18px;
}
.tip-card .tip-link:hover i{
  transform:translateX(3px);
}
.tip-card .tip-link i{
  transition:transform .25s ease;
}

.faq-section{
  position:relative;
  overflow:hidden;
  background:var(--bg-deep);
  padding:110px 0;
}
.faq-section::before{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  right:-200px;
  top:-120px;
  background:radial-gradient(circle,rgba(77,159,255,.16),transparent 68%);
}
.faq-grid{
  position:relative;
  z-index:1;
}
.faq-title-card{
  max-width:440px;
}
.faq-title-card .section-title{
  font-size:36px;
}
.faq-support{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:28px;
  padding:18px;
  border-radius:16px;
  background:rgba(23,42,68,.44);
  border:1px solid rgba(160,190,255,.12);
}
.faq-support .sup-i{
  width:42px;
  height:42px;
  flex-shrink:0;
  border-radius:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(240,182,87,.14);
  color:var(--gold);
  font-size:17px;
}
.faq-support span{
  font-size:15px;
  color:var(--text-2);
}
.faq-accordion{
  border:none;
  background:transparent;
}
.faq-item{
  background:rgba(23,42,68,.36);
  border:1px solid rgba(160,190,255,.13);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--ease);
}
.faq-item:hover{
  border-color:rgba(160,190,255,.3);
}
.faq-item .accordion-title{
  background:transparent;
  border:none;
  padding:22px 58px 22px 22px;
  color:#fff;
  font-size:16px;
  font-weight:650;
  line-height:1.5;
  position:relative;
}
.faq-item .accordion-title:hover{
  color:#fff;
  background:rgba(77,159,255,.06);
}
.faq-item .accordion-title::before{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  width:30px;
  height:30px;
  border-radius:50%;
  background:rgba(77,159,255,.12);
  border:1px solid rgba(77,159,255,.18);
  color:var(--cyan);
  font-size:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .3s ease,background .3s ease;
}
.faq-item .accordion-title[aria-selected="true"]::before{
  transform:translateY(-50%) rotate(180deg);
  background:rgba(39,224,255,.2);
}
.faq-item .accordion-content{
  border:none;
  background:transparent;
  padding:0 22px 20px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
}
.faq-item .accordion-content p{
  margin:0;
  padding-top:2px;
}

.cta-section{
  position:relative;
  padding:110px 0;
  background:url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(8,17,31,.9),rgba(9,27,48,.74),rgba(39,224,255,.12));
}
.cta-section::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:66px 66px;
  mix-blend-mode:overlay;
  z-index:1;
}
.cta-card{
  position:relative;
  z-index:2;
  max-width:820px;
}
.cta-card .eyebrow{
  color:var(--gold);
}
.cta-card .eyebrow::before{
  background:rgba(240,182,87,.4);
}
.cta-card h2{
  font-size:38px;
  color:#fff;
  line-height:1.3;
  margin-bottom:18px;
  font-weight:800;
}
.cta-card p{
  color:rgba(234,242,255,.8);
  font-size:17px;
  line-height:1.85;
  max-width:660px;
  margin-bottom:32px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
}
.cta-actions .btn-primary{
  background:linear-gradient(120deg,#F0B657,#E6A64B);
  color:#0B1018;
  box-shadow:0 8px 32px rgba(240,182,87,.30);
}
.cta-actions .btn-primary:hover{
  box-shadow:0 14px 40px rgba(240,182,87,.4);
  color:#0B1018;
}
.cta-actions .btn-ghost{
  border-color:rgba(255,255,255,.35);
  color:#fff;
}
.cta-actions .btn-ghost:hover{
  border-color:#fff;
  color:#fff;
  background:rgba(255,255,255,.1);
}

.site-footer{
  background:#060D17;
  border-top:1px solid rgba(160,190,255,.12);
  padding-top:64px;
}
.footer-top{
  padding-bottom:40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr .9fr;
  gap:50px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}
.footer-brand .brand-symbol{
  width:40px;
  height:40px;
  border-radius:13px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-family:var(--font-num);
  background:linear-gradient(135deg,#4D9FFF,#27E0FF);
  color:#fff;
  box-shadow:0 6px 20px rgba(77,159,255,.3);
}
.footer-brand .brand-name{
  background:none;
  -webkit-background-clip:initial;
  background-clip:initial;
  color:#fff;
  font-size:19px;
  font-weight:800;
}
.footer-about{
  color:#66809D;
  font-size:14.5px;
  line-height:1.8;
  max-width:360px;
  margin:0;
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  margin:2px 0 18px;
  font-weight:700;
}
.footer-col li{
  margin-bottom:10px;
}
.footer-col a{
  color:#7C90AC;
  font-size:14.5px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:var(--ease);
}
.footer-col a i{
  color:var(--cyan);
  font-size:12px;
  opacity:.85;
}
.footer-col a:hover{
  color:#fff;
  transform:translateX(3px);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);
  padding:22px 0;
}
.footer-bottom .grid-container{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  color:#546881;
  font-size:13.5px;
}
.footer-bottom a{
  color:#66809D;
}
.footer-bottom a:hover{
  color:#fff;
}

@media screen and (max-width:1024px){
  .section-block{padding:80px 0}
  .section-title{font-size:32px}
  .page-hero{padding:80px 0 84px}
  .page-hero h1{font-size:42px}
  .process-steps{grid-template-columns:repeat(3,1fr);gap:30px 16px}
  .process-steps::before{display:none}
  .footer-grid{gap:36px}
}

@media screen and (max-width:860px){
  .desktop-nav{display:none}
  .header-actions .header-download{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .mobile-nav{
    display:block;
    max-height:0;
    overflow:hidden;
    opacity:0;
    background:rgba(8,17,31,.96);
    backdrop-filter:blur(22px);
    transition:max-height .4s ease,opacity .3s ease;
  }
  .mobile-nav.open{
    max-height:360px;
    opacity:1;
    border-bottom:1px solid rgba(160,190,255,.12);
  }
  .mobile-nav a{
    display:flex;
    align-items:center;
    gap:8px;
    height:52px;
    padding:0 18px;
    color:var(--text-2);
    border-bottom:1px solid rgba(160,190,255,.07);
    font-size:15.5px;
    font-weight:500;
  }
  .mobile-nav a i{
    color:var(--cyan);
    font-size:12px;
  }
  .mobile-nav a:hover{
    color:#fff;
  }
  .mobile-nav a.is-active{
    color:#fff;
    font-weight:650;
    background:rgba(77,159,255,.08);
  }
  .narrative-row{
    padding:44px 0 52px;
  }
  .narrative-row.reverse .media-col{
    order:0;
  }
  .narrative-row.reverse .content-col{
    order:0;
  }
  .media-frame img{
    height:310px;
  }
  .table-section{padding:74px 0}
  .table-glass{padding:24px 20px}
  .split-title{
    display:block;
  }
  .split-title .section-sub{
    margin-top:12px;
  }
  .faq-title-card{
    max-width:100%;
    margin-bottom:36px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:34px;
  }
}

@media screen and (max-width:640px){
  .header-inner{min-height:70px}
  .brand-name{font-size:16px;max-width:170px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .brand-symbol{width:38px;height:38px;border-radius:12px;font-size:14px}
  .section-block{padding:60px 0}
  .section-title{font-size:28px}
  .section-sub{
    font-size:15.5px;
  }
  .page-hero{
    min-height:0;
    padding:64px 0 72px;
  }
  .page-hero h1{
    font-size:33px;
    letter-spacing:-.01em;
    margin-bottom:16px;
  }
  .hero-lead{
    font-size:16px;
    margin-bottom:26px;
  }
  .hero-actions{
    display:grid;
    grid-template-columns:1fr;
    gap:12px;
  }
  .hero-actions .btn{
    width:100%;
  }
  .soft-card{
    margin-bottom:18px;
  }
  .soft-card .icon-orb{
    width:46px;
    height:46px;
    font-size:17px;
  }
  .content-title{
    font-size:22px;
  }
  .content-desc{
    font-size:15.5px;
  }
  .media-frame{
    margin-top:16px;
    border-radius:18px;
  }
  .media-frame img{
    height:228px;
  }
  .process-steps{
    grid-template-columns:1fr;
    gap:24px;
  }
  .process-step{
    flex-direction:row;
    background:rgba(23,42,68,.32);
    border-radius:18px;
    padding:16px;
    text-align:left;
    border:1px solid rgba(160,190,255,.1);
  }
  .process-step .step-dot{
    margin:0 14px 0 0;
    width:52px;
    height:52px;
    border-radius:16px;
    font-size:18px;
    flex-shrink:0;
  }
  .process-note .note-card{
    border-radius:20px;
    padding:14px 16px;
    width:100%;
    text-align:left;
    align-items:flex-start;
    flex-direction:column;
  }
  .functions-table th,.functions-table td{
    padding:12px 10px;
  }
  .faq-section{
    padding:64px 0;
  }
  .faq-item .accordion-title{
    font-size:15px;
    padding:19px 52px 19px 18px;
  }
  .faq-item .accordion-content{
    padding:0 18px 18px;
  }
  .cta-section{
    padding:70px 0;
  }
  .cta-card h2{
    font-size:29px;
  }
  .cta-card p{
    font-size:15.5px;
  }
  .cta-actions .btn{
    width:100%;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:24px;
  }
  .footer-bottom .grid-container{
    gap:8px;
  }
}
@media screen and (max-width:420px){
  .brand-lockup{gap:9px}
  .brand-name{max-width:150px}
  .section-title{font-size:25px}
  .hero-badge{font-size:12px;padding:6px 12px}
  .page-hero h1{font-size:28px}
  .button,.btn{height:46px;font-size:15px}
}

/* roulang page: category3 */
:root {
            --bg-primary: #08111F;
            --bg-secondary: #0A1828;
            --glass-panel: rgba(23, 42, 68, 0.60);
            --blue-primary: #4D9FFF;
            --cyan-primary: #27E0FF;
            --amber: #F0B657;
            --text-primary: #EAF2FF;
            --text-secondary: #94A6C1;
            --text-disabled: #5E6E8A;
            --border-glass: rgba(160, 190, 255, 0.16);
            --border-glass-hover: rgba(150, 210, 255, 0.35);
            --card-radius-large: 20px;
            --card-radius-medium: 14px;
            --card-radius-small: 12px;
            --pagination-radius: 999px;
            --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.25);
            --shadow-glow: 0 0 22px rgba(77, 159, 255, 0.30);
            --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-digit: "Rajdhani", "Inter", "PingFang SC", sans-serif;
            --transition-base: all 0.2s ease-in-out;
        }

        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            border-radius: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-primary);
            background-image: radial-gradient(circle at 20% 20%, rgba(39, 224, 255, 0.03) 0%, transparent 35%),
                radial-gradient(circle at 90% 10%, rgba(77, 159, 255, 0.04) 0%, transparent 45%);
            color: var(--text-primary);
            font-family: var(--font-body);
            font-size: 17px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--card-radius-medium);
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--blue-primary);
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--cyan-primary);
        }

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 30px;
            padding-right: 30px;
        }

        .section {
            padding: 96px 0;
        }

        .section-heading {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 38px;
            gap: 18px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            background: linear-gradient(125deg, #FFFFFF 0%, #CFE4FF 70%, #4D9FFF 115%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-link {
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(148, 166, 193, 0.25);
            padding-bottom: 3px;
        }

        .section-link:hover {
            color: var(--cyan-primary);
            border-color: var(--cyan-primary);
        }

        /* === Header === */
        .site-header {
            position: relative;
            z-index: 100;
            background: rgba(8, 17, 31, 0.55);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid rgba(160, 190, 255, 0.12);
        }

        .header-inner {
            display: flex;
            height: 84px;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand-lockup {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.2;
            color: var(--text-primary);
        }

        .brand-lockup a {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-symbol {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--blue-primary) 0%, var(--cyan-primary) 100%);
            color: #08111F;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: 0.03em;
            border-radius: 10px;
            height: 36px;
            min-width: 42px;
            padding: 0 6px;
            box-shadow: 0 0 18px rgba(39, 224, 255, 0.2);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 36px;
            margin-left: auto;
        }

        .desktop-nav .nav-link {
            position: relative;
            color: var(--text-secondary);
            font-size: 16px;
            font-weight: 500;
            padding: 6px 2px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .desktop-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--blue-primary), var(--cyan-primary));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.28s ease;
        }

        .desktop-nav .nav-link:hover {
            color: #FFFFFF;
        }

        .desktop-nav .nav-link:hover::after {
            transform: scaleX(1);
        }

        .desktop-nav .nav-link.is-active {
            color: #FFFFFF;
        }

        .desktop-nav .nav-link.is-active::after {
            transform: scaleX(1);
        }

        .desktop-nav .nav-link.is-active span {
            opacity: 1;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .header-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--blue-primary) 0%, var(--cyan-primary) 100%);
            color: #08111F;
            font-size: 15px;
            font-weight: 600;
            border-radius: 12px;
            padding: 10px 18px;
            line-height: 1;
            box-shadow: 0 6px 16px rgba(77, 159, 255, 0.2);
            transition: var(--transition-base);
        }

        .header-download:hover {
            transform: translateY(-2px);
            color: #08111F;
            box-shadow: 0 10px 24px rgba(39, 224, 255, 0.25);
        }

        .header-download .txt {
            position: relative;
            z-index: 1;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: 1px solid rgba(160, 190, 255, 0.16);
            border-radius: 12px;
            color: var(--text-primary);
            font-size: 20px;
            padding: 10px 13px;
            line-height: 1;
            cursor: pointer;
            background: rgba(23, 42, 68, 0.3);
        }

        .menu-toggle:hover {
            border-color: rgba(150, 210, 255, 0.3);
            color: var(--cyan-primary);
        }

        .menu-toggle:focus-visible,
        .header-download:focus-visible,
        .nav-link:focus-visible,
        .card-link:focus-visible,
        .footer-col a:focus-visible {
            outline: 2px solid var(--cyan-primary);
            outline-offset: 4px;
        }

        .mobile-nav {
            display: none;
        }

        /* === Hero small === */
        .page-hero {
            position: relative;
            padding: 76px 0 88px;
            overflow: hidden;
            background-image:
                linear-gradient(165deg, rgba(8, 17, 31, 0.82) 0%, rgba(8, 17, 31, 0.72) 100%),
                url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

        .page-breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 32px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .page-breadcrumb a {
            color: var(--text-secondary);
        }

        .page-breadcrumb a:hover {
            color: var(--cyan-primary);
        }

        .page-hero-grid {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 32px;
        }

        .page-hero-main {
            max-width: 540px;
            flex: 1;
        }

        .page-hero .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            letter-spacing: 0.02em;
            color: var(--cyan-primary);
            margin-bottom: 18px;
            font-weight: 600;
        }

        .page-hero h1 {
            font-size: 52px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: #FFFFFF;
            margin-bottom: 20px;
        }

        .page-hero .lead {
            color: var(--text-secondary);
            font-size: 17px;
            line-height: 1.85;
            max-width: 480px;
            margin-bottom: 26px;
        }

        .page-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-weight: 600;
            border-radius: 12px;
            padding: 14px 28px;
            line-height: 1;
            font-size: 16px;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--blue-primary) 0%, var(--cyan-primary) 100%);
            color: #08111F;
            font-weight: 700;
            box-shadow: 0 8px 22px rgba(77, 159, 255, 0.22);
        }

        .btn-primary:hover {
            box-shadow: 0 12px 30px rgba(39, 224, 255, 0.25);
            transform: translateY(-3px);
            color: #08111F;
        }

        .btn-secondary {
            background: rgba(23, 42, 68, 0.36);
            color: var(--text-primary);
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .btn-secondary:hover {
            border-color: rgba(150, 210, 255, 0.35);
            background: rgba(23, 42, 68, 0.62);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        /* === Feature story === */
        .feature-grid {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 30px;
        }

        .story-visual {
            flex: 1 1 520px;
            position: relative;
        }

        .story-visual img {
            border-radius: var(--card-radius-large);
            width: 100%;
        }

        .story-visual::before {
            content: "";
            position: absolute;
            inset: 30px -20px -20px 30px;
            background: linear-gradient(150deg, rgba(39, 224, 255, 0.2), rgba(77, 159, 255, 0.1));
            background-blend-mode: overlay;
            opacity: 0.5;
            border-radius: 22px;
            z-index: 0;
            filter: blur(16px);
        }

        .story-visual .banner-badge {
            position: absolute;
            right: -12px;
            top: 26px;
            background: rgba(240, 182, 87, 0.92);
            color: #08111F;
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            z-index: 2;
            box-shadow: 0 6px 18px rgba(240, 182, 87, 0.2);
        }

        .story-content {
            flex: 1 1 380px;
            padding-left: 10px;
        }

        .story-content h2 {
            font-size: 36px;
            line-height: 1.25;
            margin-bottom: 20px;
        }

        .story-content h2 span {
            color: var(--cyan-primary);
        }

        .story-content p {
            color: var(--text-secondary);
            margin-bottom: 22px;
            font-size: 16px;
        }

        .story-feature-list {
            list-style: none;
            margin: 24px 0 30px;
            display: grid;
            gap: 12px;
        }

        .story-feature-list li {
            position: relative;
            padding-left: 26px;
            color: var(--text-secondary);
            font-size: 16px;
        }

        .story-feature-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--cyan-primary);
            font-weight: 700;
        }

        /* === Timeline === */
        .timeline-wrap {
            background: linear-gradient(180deg, #0A1828, #0E1428);
            border: 1px solid rgba(160, 190, 255, 0.10);
            border-radius: 20px;
            padding: 28px;
            margin-top: 44px;
        }

        .update-title-line {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 30px;
        }

        .update-title-line i {
            color: var(--cyan-primary);
        }

        .update-title-line h3 {
            font-size: 24px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0;
        }

        .update-title-line .status-live {
            margin-left: auto;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(39, 224, 255, 0.1);
            border: 1px solid rgba(39, 224, 255, 0.2);
            color: var(--cyan-primary);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 500;
        }

        .update-list {
            display: flex;
            flex-direction: column;
        }

        .update-item {
            display: grid;
            grid-template-columns: 86px 1fr;
            gap: 14px;
            padding: 20px 0;
            border-top: 1px solid rgba(160, 190, 255, 0.1);
            align-items: baseline;
        }

        .update-date {
            font-family: var(--font-digit);
            font-size: 18px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .update-txt {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .update-txt strong {
            color: var(--text-primary);
            font-weight: 500;
        }

        .update-txt span {
            display: block;
            margin-top: 4px;
            color: var(--text-disabled);
            font-size: 14px;
        }

        /* === Faq === */
        .faq-zone {
            background: rgba(23, 42, 68, 0.2);
            border-radius: 24px;
            padding: 22px;
        }

        .faq-item {
            border-bottom: 1px solid rgba(160, 190, 255, 0.12);
        }

        .faq-qt {
            padding: 15px 0 12px;
        }

        .faq-a {
            color: var(--text-secondary);
        }

        .grid-container {
            max-width: 1280px;
        }

        .grid-container.padded {
            padding-left: 30px;
            padding-right: 30px;
        }

        .grid-container.full {
            max-width: 100%;
        }

        .main-news-area .grid-x {
            align-items: start;
        }

        .main-news-area .story-card .story-cover {
            position: relative;
        }

        .story-card {
            background: rgba(23, 42, 68, 0.3);
            border: 1px solid rgba(160, 190, 255, 0.12);
            border-radius: 17px;
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .story-card:hover {
            border-color: rgba(150, 210, 255, 0.24);
            box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
            transform: translateY(-3px);
        }

        .story-card-body {
            padding: 18px 16px 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex: 1;
        }

        .story-card-body .meta-info {
            display: flex;
            justify-content: space-between;
            gap: 10px;
            align-items: center;
            font-size: 13px;
            color: var(--text-disabled);
            letter-spacing: 0.01em;
        }

        .story-card-body .meta-info .category {
            color: var(--cyan-primary);
            background: rgba(39, 224, 255, 0.08);
            border: 1px solid rgba(39, 224, 255, 0.14);
            border-radius: 999px;
            display: inline-block;
            padding: 2px 10px;
            font-size: 13px;
            line-height: 1.4;
        }

        .story-card h3 {
            font-size: 18px;
            line-height: 1.6;
            font-weight: 600;
            color: #FFFFFF;
            margin: 4px 0 0;
            transition: var(--transition-base);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: calc(1.6em * 2);
        }

        .story-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.85;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
            flex: 1;
        }

        .story-card .read-arrow {
            color: var(--text-disabled);
            transition: var(--transition-base);
            align-self: flex-end;
            font-size: 13px;
            display: inline-flex;
            gap: 6px;
            align-items: center;
        }

        .story-card:hover .read-arrow {
            color: var(--cyan-primary);
            gap: 10px;
        }

        .cover-img {
            border-radius: 12px;
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .story-feature .story-text {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
        }

        .badge {
            background: rgba(240, 182, 87, 0.16);
            border-color: rgba(240, 182, 87, 0.18);
            color: var(--amber);
            display: inline-block;
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 13px;
        }

        .featured-hero-tag {
            background: rgba(77, 159, 255, 0.16);
            border-color: rgba(77, 159, 255, 0.2);
            color: #CFE4FF;
            display: inline-block;
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 13px;
        }

        /* === Feature banner === */
        .side-feature {
            background: rgba(23, 42, 68, 0.20);
            border: 1px solid rgba(160, 190, 255, 0.12);
            border-radius: 20px;
            padding: 24px;
        }

        .side-feature h3 {
            font-size: 21px;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(160, 190, 255, 0.1);
        }

        .hot-list {
            list-style: none;
            display: flex;
            flex-direction: column;
        }

        .hot-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 13px 0;
            border-bottom: 1px solid rgba(160, 190, 255, 0.08);
        }

        .hot-list li:last-child {
            border-bottom: none;
        }

        .hot-order {
            font-family: var(--font-digit);
            font-size: 22px;
            font-weight: 700;
            color: rgba(77, 159, 255, 0.6);
            line-height: 1.4;
            width: 28px;
            min-width: 28px;
        }

        .hot-list .hot-title {
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.7;
        }

        .hot-list .hot-title:hover {
            color: var(--cyan-primary);
        }

        .side-list {
            margin-top: 34px;
        }

        .side-list .meta-line {
            margin-bottom: 8px;
        }

        .focus-tag {
            color: var(--amber);
        }

        /* === CTA === */
        .cta-zone {
            background: rgba(23, 42, 68, 0.2);
            border: 1px solid rgba(160, 190, 255, 0.1);
            border-radius: 28px;
            padding: 42px 48px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            align-items: center;
            gap: 32px;
        }

        .cta-zone .cta-head h2 {
            font-size: 38px;
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .cta-zone .cta-txt {
            color: var(--text-secondary);
            font-size: 17px;
            max-width: 500px;
        }

        .cta-btn-wrap {
            display: flex;
            justify-content: flex-end;
            margin: 0;
        }

        .btn-lg {
            font-size: 18px;
            padding: 18px 40px;
        }

        .copyright-line {
            text-align: center;
            padding: 18px 0;
            color: var(--text-disabled);
            font-size: 14px;
            font-weight: 500;
        }

        .section.seo-content {
            display: none;
            visibility: hidden;
        }

        .seo-only-text {
            display: none;
            visibility: hidden;
        }

@media (max-width: 1024px) {
            .section { padding: 70px 0; }
            .page-hero { padding: 60px 0 70px; }
            .page-hero h1 { font-size: 44px; }
            .desktop-nav { display: none; }
            .menu-toggle { display: inline-flex; align-items: center; }
            .header-actions .txt { display: none; }
            .header-download { padding: 12px; border-radius: 12px; }
            .mobile-nav {
                display: none;
                background: rgba(12, 22, 40, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-top: 1px solid rgba(160, 190, 255, 0.12);
                padding: 10px 22px 22px;
                margin: 0;
            }
            .mobile-nav a {
                display: flex;
                align-items: center;
                gap: 8px;
                padding: 14px 2px;
                color: var(--text-secondary);
                font-size: 16px;
                border-bottom: 1px solid rgba(160, 190, 255, 0.08);
            }
            .mobile-nav a i { font-size: 13px; color: var(--blue-primary); }
            .mobile-nav a.is-active { color: var(--cyan-primary); }
            .mobile-nav a:hover { color: #FFFFFF; }
            .page-hero-grid { flex-direction: column; gap: 28px; align-items: flex-start; }
            .feature-grid { flex-direction: column; gap: 36px; }
            .story-content { padding-left: 0; }
            .story-visual { flex: 1 1 100%; }
            .story-visual .banner-badge { right: 10px; }
            .cta-zone { grid-template-columns: 1fr; padding: 34px; }
            .cta-btn-wrap { justify-content: flex-start; margin-top: 18px; }
            .grid-container { padding-left: 22px; padding-right: 22px; }
        }

        @media (max-width: 640px) {
            .page-hero h1 { font-size: 36px; }
            .page-hero .hero-eyebrow { font-size: 13px; }
            .btn { padding: 13px 20px; font-size: 15px; }
            .section-title { font-size: 28px; }
            .section { padding: 56px 0; }
            .cta-zone { padding: 26px 20px; }
            .cta-zone .cta-head h2 { font-size: 30px; line-height: 1.5; }
            body { font-size: 16px; }
            .story-card-body { padding: 16px 14px 18px; }
            .side-feature { padding: 18px; }
            .grid-container { padding-left: 18px; padding-right: 18px; }
            .page-hero { padding: 46px 0 58px; }
            .page-breadcrumb { margin-bottom: 20px; }
            .footer-bottom .copyright-line { font-size: 13px; }
        }

        @media (max-width: 400px) {
            .brand-name { font-size: 16px; letter-spacing: -0.02em; }
        }

        @media (min-width: 641px) and (max-width: 860px) {
            .desktop-nav { gap: 20px; }
            .header-download .txt { display: none; }
            .header-download { padding: 12px 14px; }
        }

/* roulang page: category2 */
:root{
  --bg-body:#08111f;
  --bg-deep:#060d18;
  --bg-panel:rgba(23,42,68,.48);
  --bg-soft:rgba(10,24,40,.66);
  --border-glass:rgba(160,190,255,.16);
  --border-bright:rgba(150,210,255,.35);
  --blue:#4d9fff;
  --cyan:#27e0ff;
  --cyan-glow:rgba(39,224,255,.22);
  --gold:#f0b657;
  --text-main:#eaf2ff;
  --text-secondary:#94a6c1;
  --text-dim:#5e6e8a;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-soft:0 14px 40px rgba(3,9,18,.42);
  --font-cn:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-body);
  background-image:radial-gradient(circle at 20% 0%, rgba(34,60,96,.28), transparent 30%), radial-gradient(circle at 90% 15%, rgba(39,224,255,.07), transparent 24%);
  color:var(--text-main);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul,ol{list-style:none;}
button,input{font-family:inherit;line-height:inherit;outline:none;}
.grid-container{max-width:1280px;}
::selection{background:rgba(77,159,255,.35);color:#fff;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,13,28,.86);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-glass);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:84px;
  gap:20px;
}
.brand-lockup{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-symbol{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;flex:0 0 36px;
  border-radius:10px;
  background:linear-gradient(135deg,#4d9fff,#27e0ff);
  color:#0a1526;font-size:15px;font-weight:800;
  letter-spacing:.5px;
  box-shadow:0 0 18px rgba(77,159,255,.25);
}
.brand-name{
  font-weight:700;font-size:18px;letter-spacing:.5px;
  white-space:nowrap;
  background:linear-gradient(90deg,#eaf2ff,#b9e0ff);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.desktop-nav{
  display:flex;align-items:center;gap:10px;
}
.desktop-nav .nav-link{
  position:relative;
  padding:12px 14px;
  font-size:15px;
  color:var(--text-secondary);
  transition:color .25s ease;
  line-height:1.4;
}
.desktop-nav .nav-link span{position:relative;z-index:2;white-space:nowrap;}
.desktop-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;
  height:2px;border-radius:4px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  transform:scaleX(0);transform-origin:left;
  transition:transform .32s ease;
}
.desktop-nav .nav-link:hover{color:#fff;}
.desktop-nav .nav-link:hover::after{transform:scaleX(1);}
.desktop-nav .nav-link.is-active{color:#fff;}
.desktop-nav .nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.header-download{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 18px;
  border-radius:999px;
  font-size:13px;font-weight:600;color:var(--text-main);
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  border:none;
  box-shadow:0 0 14px rgba(39,224,255,.18);
  transition:transform .25s ease,box-shadow .25s ease,opacity .2s;
}
.header-download:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(39,224,255,.3);opacity:.96;}
.header-download:active{transform:translateY(0) scale(.98);}
.header-download i{font-size:14px;}
.menu-toggle{
  display:none;
  background:transparent;border:1px solid var(--border-glass);
  width:44px;height:44px;border-radius:10px;
  color:var(--text-main);font-size:20px;cursor:pointer;
  transition:border-color .25s,background .25s;
}
.menu-toggle:hover{border-color:var(--border-bright);background:rgba(23,42,68,.4);}
.mobile-nav{
  display:none;
  flex-direction:column;
  background:rgba(6,15,28,.96);
  border-top:1px solid var(--border-glass);
}
.mobile-nav a{
  display:flex;align-items:center;gap:8px;
  padding:16px 24px;
  font-size:16px;
  color:var(--text-main);
  border-bottom:1px solid rgba(160,190,255,.08);
}
.mobile-nav a i{color:var(--cyan);font-size:14px;}
.mobile-nav a:hover{background:rgba(23,42,68,.3);}
.mobile-nav a.is-active{color:var(--cyan);}
.mobile-nav.is-open{display:flex;}

/* 通用区块 */
.section-block{padding:96px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);}
.fg-h2{
  font-size:clamp(28px,3.2vw,38px);
  line-height:1.3;font-weight:700;
  letter-spacing:.2px;
}
.fg-desc{
  margin-top:16px;
  max-width:760px;
  color:var(--text-secondary);
  font-size:16px;
}
.text-btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;
  color:var(--blue);
  transition:gap .25s,color .25s;
}
.text-btn:hover{color:var(--cyan);gap:12px;}
.text-btn i{font-size:13px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;
  border-radius:12px;
  font-size:15px;font-weight:600;
  transition:all .25s ease;
  cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,#4d9fff,#27e0ff);
  color:#0b2035;
  border:none;
  box-shadow:0 0 16px rgba(39,224,255,.18);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 26px rgba(39,224,255,.34);
  color:#0b2035;
}
.btn-primary:active{transform:translateY(1px) scale(.98);}
.btn-ghost{
  background:rgba(23,42,68,.3);
  border:1px solid var(--border-glass);
  color:var(--text-main);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:var(--border-bright);background:rgba(23,42,68,.5);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px) scale(.98);}
.btn-small{height:38px;padding:0 16px;font-size:13px;border-radius:10px;}
.btn-large{min-width:220px;height:52px;padding:0 32px;font-size:16px;}

/* Hero */
.download-hero{
  position:relative;
  padding:120px 0 92px;
  background:linear-gradient(120deg,rgba(6,13,28,.92) 15%,rgba(9,22,40,.78) 55%,rgba(12,28,48,.52)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid var(--border-glass);
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:8px;
  font-size:13px;color:var(--text-dim);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-secondary);transition:color .2s;}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb i{font-size:10px;color:var(--text-dim);}
.download-hero h1{
  max-width:840px;
  font-size:clamp(34px,4.6vw,55px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:.5px;
  background:linear-gradient(120deg,#fff,var(--text-main) 60%,#8bc9ff);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{
  max-width:680px;
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:var(--text-secondary);
}
.hero-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 30px;
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid rgba(160,190,255,.12);
}
.trust-item{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-secondary);
}
.trust-item i{color:var(--cyan);font-size:14px;}
.hero-download-card{
  position:relative;
  max-width:400px;
  margin-left:auto;
  background:linear-gradient(155deg,rgba(22,42,68,.78),rgba(11,22,38,.55));
  border:1px solid var(--border-glass);
  border-radius:24px;
  padding:30px 28px 28px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(16px);
  overflow:hidden;
}
.hero-download-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.hero-download-card::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:160px;height:160px;
  background:radial-gradient(circle,rgba(39,224,255,.16),transparent 70%);
  pointer-events:none;
}
.dc-head{display:flex;align-items:center;gap:12px;}
.dc-head .app-icon{
  width:52px;height:52px;flex:0 0 52px;
  border-radius:16px;
  background:linear-gradient(135deg,#08111f 20%,#1b3a5e);
  border:1px solid var(--border-glass);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;color:var(--cyan);
  box-shadow:inset 0 0 16px rgba(39,224,255,.06);
}
.dc-platform{font-size:13px;color:var(--text-secondary);margin-top:4px;}
.dc-current{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:6px;
  background:rgba(39,224,255,.08);
  border:1px solid rgba(39,224,255,.18);
  color:#bff2ff;
  font-size:12px;
  padding:3px 10px;
  border-radius:999px;
  font-weight:600;
}
.dc-mid{
  margin-top:24px;
  padding:20px 0;
  border-top:1px solid rgba(160,190,255,.1);
  border-bottom:1px solid rgba(160,190,255,.1);
  display:flex;gap:18px;align-items:center;
}
.qr-area{
  width:116px;height:116px;flex:0 0 116px;
  padding:8px;
  background:#0c1829;
  border:1px solid rgba(160,190,255,.16);
  border-radius:16px;
  position:relative;
}
.qr-inner{
  width:100%;height:100%;
  background-image:radial-gradient(#c7e5ff 1.5px,transparent 1.5px);
  background-size:10px 10px;
  opacity:.8;
  position:relative;
}
.qr-label{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(12,24,41,.78);
  color:#b6e5ff;font-size:12px;letter-spacing:2px;
  border-radius:8px;
  backdrop-filter:blur(1px);
  text-align:center;line-height:1.5;
}
.dc-info .p1{font-size:15px;color:#fff;font-weight:600;}
.dc-info .p2{font-size:13px;color:var(--text-secondary);margin-top:5px;line-height:1.6;}
.dc-foot{margin-top:20px;display:flex;gap:12px;align-items:center;}
.dc-foot .btn{flex:1;padding:0 12px;}
.dc-version{
  font-size:12px;color:var(--text-dim);
  margin-top:14px;display:flex;justify-content:space-between;
}

/* 版本与适配 */
.version-block{
  background:linear-gradient(180deg,var(--bg-body) 0%,#091728 55%,var(--bg-body) 100%);
}
.version-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:38px;
}
.version-stat{
  padding:26px 22px;
  background:var(--bg-panel);
  border:1px solid var(--border-glass);
  border-radius:18px;
  backdrop-filter:blur(10px);
  position:relative;
  transition:transform .25s,border-color .25s;
}
.version-stat:hover{
  transform:translateY(-3px);
  border-color:var(--border-bright);
}
.version-stat .v-icon{
  width:38px;height:38px;
  border-radius:10px;
  background:rgba(77,159,255,.12);
  color:var(--cyan);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
}
.version-stat .v-num{
  margin-top:20px;
  font-size:clamp(20px,2vw,30px);
  font-weight:800;
  line-height:1.4;
  font-family:'Rajdhani','Inter','PingFang SC',sans-serif;
}
.version-stat .v-label{
  margin-top:4px;
  font-size:13px;
  color:var(--text-secondary);
}
.release-panel{
  margin-top:32px;
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  border:1px solid var(--border-glass);
  border-radius:var(--r-lg);
  background:rgba(13,27,48,.5);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}
.release-left{padding:34px 32px;}
.release-left .panel-title{font-size:20px;font-weight:700;}
.release-left p{color:var(--text-secondary);font-size:14px;margin-top:8px;}
.release-rows{margin-top:22px;}
.release-row{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
  border-bottom:1px solid rgba(160,190,255,.07);
}
.release-row:last-child{border-bottom:none;}
.release-row .rk{color:var(--text-dim);font-size:13px;font-weight:500;}
.release-row .rv{color:var(--text-main);font-size:14px;text-align:right;}
.release-right{
  position:relative;
  min-height:300px;
  background:url('/assets/images/coverpic/cover-8.png') center/cover no-repeat;
}
.release-right::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,27,48,.94),rgba(13,27,48,.2));
}
.release-right .right-content{
  position:relative;
  z-index:2;
  height:100%;
  padding:34px;
  display:flex;flex-direction:column;justify-content:flex-end;
}
.release-right .r-label{color:#cdf0ff;font-size:15px;font-weight:600;}
.release-right .r-text{color:var(--text-secondary);font-size:13px;margin-top:8px;max-width:420px;}
.alter-tag{
  display:inline-flex;
  font-size:11px;
  padding:3px 12px;
  border-radius:999px;
  border:1px solid rgba(240,182,87,.25);
  color:var(--gold);
  letter-spacing:1px;
  width:fit-content;
  margin-top:12px;
}

/* 下载渠道 */
.channel-block{
  background:linear-gradient(180deg,var(--bg-body),#0a192b);
  padding:96px 0 110px;
  border-top:1px solid transparent;
}
.channel-wrap{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:24px;
  margin-top:42px;
}
.channel-card{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  background:rgba(13,27,48,.6);
  border:1px solid var(--border-glass);
  transition:border-color .25s,transform .25s;
}
.channel-card:hover{border-color:var(--border-bright);transform:translateY(-4px);}
.desktop-card .card-visual{
  position:relative;
  height:218px;
  background:url('/assets/images/coverpic/cover-2.png') center/cover no-repeat;
}
.desktop-card .card-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,13,28,.05),rgba(7,17,31,.9));
}
.card-body{
  position:relative;
  padding:22px 26px 26px;
}
.card-plate{
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:#a5d7ff;
  background:rgba(77,159,255,.09);
  border:1px solid rgba(77,159,255,.15);
  padding:5px 12px;
  border-radius:999px;
  width:fit-content;
}
.channel-card h3{margin-top:14px;font-size:24px;font-weight:700;}
.channel-card .chan-desc{
  color:var(--text-secondary);
  font-size:14px;margin-top:10px;line-height:1.8;
}
.channel-card .chan-links{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px;}
.channel-meta{
  display:flex;gap:16px;margin-top:18px;
  font-size:12px;color:var(--text-dim);
}
.mobile-card{
  padding:28px 26px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.mobile-card .appline{
  display:flex;align-items:center;gap:15px;
  margin-top:20px;
}
.mobile-card .app-icon-mini{
  width:48px;height:48px;
  border-radius:14px;
  background:rgba(23,42,68,.8);
  border:1px solid var(--border-glass);
  display:flex;align-items:center;justify-content:center;
  color:var(--cyan);font-size:19px;
}
.appline .a-title{font-size:14px;font-weight:600;}
.appline .a-sub{font-size:12px;color:var(--text-dim);margin-top:3px;}
.store-icons{
  display:flex;align-items:center;gap:12px;
  margin-top:24px;
  color:var(--text-secondary);
}
.store-icons span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(23,42,68,.4);
  border:1px solid var(--border-glass);
  color:var(--text-main);
}
.store-icons i{color:var(--cyan);font-size:13px;}

/* 安装步骤 */
.steps-section{padding:96px 0;}
.steps-grid{
  margin-top:52px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  position:relative;
}
.step-card{
  position:relative;
  padding:28px 20px 24px;
  background:rgba(23,42,68,.3);
  border:1px solid var(--border-glass);
  border-radius:18px;
  transition:all .25s ease;
  backdrop-filter:blur(8px);
}
.step-card:hover{transform:translateY(-4px);border-color:var(--border-bright);background:rgba(27,52,86,.42);}
.step-num{
  display:inline-flex;
  width:34px;height:34px;
  border-radius:12px;
  align-items:center;justify-content:center;
  font-size:15px;font-weight:800;
  font-family:'Rajdhani','Inter',sans-serif;
  color:#08111f;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
}
.step-title{margin-top:18px;font-size:17px;font-weight:600;}
.step-desc{margin-top:10px;color:var(--text-secondary);font-size:14px;line-height:1.7;}
.step-line{
  position:absolute;
  top:45px;left:calc(-11%);
  width:21%;height:1px;
  background:linear-gradient(90deg,var(--cyan),rgba(39,224,255,.05));
}
.step-line svg{display:none;}

/* 更新日志 */
.changelog-section{
  background:linear-gradient(180deg,var(--bg-body) 0%,#0a1828 60%,var(--bg-body));
  padding:96px 0;
}
.timeline-area{
  display:grid;
  grid-template-columns:280px 1fr;
  gap:30px;
  margin-top:45px;
}
.timeline-aside{
  height:fit-content;
  background:rgba(23,42,68,.3);
  border:1px solid var(--border-glass);
  border-radius:18px;
  padding:28px 24px;
  position:sticky;top:120px;
}
.timeline-aside h3{font-size:18px;font-weight:700;}
.timeline-aside p{font-size:13px;color:var(--text-secondary);margin-top:10px;}
.timeline-note{
  margin-top:20px;
  display:flex;gap:10px;
  background:rgba(77,159,255,.06);
  border:1px solid rgba(77,159,255,.1);
  border-radius:12px;
  padding:14px 16px;
  font-size:13px;color:var(--text-secondary);
}
.timeline-note i{color:var(--cyan);margin-top:3px;font-size:12px;}
.timeline-list{position:relative;}
.timeline-item{
  position:relative;
  padding:0 0 34px 26px;
  border-left:1px solid rgba(39,224,255,.16);
  margin-left:10px;
}
.timeline-item::before{
  content:"";position:absolute;
  left:-5px;top:4px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--blue);
  box-shadow:0 0 0 4px rgba(77,159,255,.12),0 0 12px rgba(39,224,255,.5);
}
.timeline-item .tl-date{
  font-family:'Rajdhani','Inter',sans-serif;
  font-size:12px;color:var(--text-dim);
  display:flex;align-items:center;gap:8px;
}
.tl-top{
  display:flex;flex-wrap:wrap;gap:8px;
  align-items:center;
  margin-top:7px;
}
.tl-ver{
  display:inline-flex;align-items:center;gap:4px;
  background:rgba(77,159,255,.1);
  border:1px solid rgba(77,159,255,.16);
  color:#bde6ff;
  font-size:13px;font-weight:600;
  padding:4px 12px;
  border-radius:999px;
}
.tl-ver.gold{
  background:rgba(240,182,87,.08);
  border-color:rgba(240,182,87,.2);
  color:var(--gold);
}
.tl-change{margin-top:9px;color:var(--text-secondary);font-size:14px;line-height:1.8;}

/* FAQ */
.faq-section{padding:96px 0;}
.faq-wrap{
  margin-top:46px;
  display:grid;
  grid-template-columns:.7fr 1.3fr;
  gap:40px;
}
.faq-heading h2{font-weight:800;font-size:clamp(26px,3vw,38px);}
.faq-heading p{margin-top:14px;color:var(--text-secondary);font-size:14px;line-height:1.8;}
.accordion{
  background:transparent;
  border:none;
}
.accordion .accordion-item{
  background:rgba(23,42,68,.28);
  border:1px solid var(--border-glass);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.accordion .accordion-item:hover{border-color:rgba(160,190,255,.26);}
.accordion .accordion-item.is-active{border-color:var(--border-bright);background:rgba(31,58,96,.36);}
.accordion .accordion-title{
  background:transparent;
  border:none;
  display:flex;
  align-items:center;
  gap:12px;
  padding:20px 22px;
  font-size:15px;
  font-weight:600;
  color:var(--text-main);
  line-height:1.5;
  transition:color .25s;
}
.accordion .accordion-title:hover{background:transparent;color:#fff;}
.qn{
  min-width:30px;height:30px;
  border-radius:9px;
  background:rgba(77,159,255,.1);
  border:1px solid rgba(77,159,255,.14);
  color:var(--cyan);
  font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.accordion .accordion-title::after{
  content:"";display:none;
}
.q-chevron{
  margin-left:auto;
  color:var(--text-dim);
  font-size:13px;
  transition:transform .3s ease,color .3s;
}
.accordion .accordion-item.is-active .q-chevron{
  transform:rotate(180deg);
  color:var(--cyan);
}
.accordion .accordion-content{
  background:transparent;
  border:none;
  color:var(--text-secondary);
  padding:0 22px 20px 64px;
  font-size:14px;
  line-height:1.8;
}
.accordion .accordion-content[aria-hidden=true],.accordion .accordion-content[aria-hidden="true"]{display:none;}

/* CTA */
.site-cta{
  position:relative;
  padding:96px 0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.site-cta::before{
  content:"";
  position:absolute;inset:0;
  background:rgba(5,12,24,.78);
  backdrop-filter:blur(3px);
}
.cta-inner{
  position:relative;
  z-index:2;
  text-align:center;
  display:flex;flex-direction:column;
  align-items:center;
}
.cta-inner h2{font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.3;}
.cta-inner p{
  max-width:620px;
  margin:18px auto 0;
  color:rgba(234,242,255,.78);
  font-size:16px;
  line-height:1.8;
}
.cta-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;justify-content:center;}
.cta-note{margin-top:16px;font-size:12px;color:rgba(160,190,255,.5);}

/* 页脚 */
.site-footer{
  border-top:1px solid rgba(160,190,255,.1);
  background:#0a1423;
  padding:0;
}
.footer-top{padding:64px 0 40px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr 0.7fr 1fr;
  gap:38px;
}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-symbol{width:32px;height:32px;flex-basis:32px;font-size:13px;}
.footer-brand .brand-name{font-size:17px;font-weight:700;}
.footer-about{margin-top:16px;color:var(--text-dim);font-size:13px;line-height:1.9;max-width:400px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:20px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;padding:0;}
.footer-col a{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-secondary);
  font-size:14px;
  transition:color .25s,transform .25s;
}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px);}
.footer-col a i{font-size:10px;color:var(--text-dim);}
.footer-bottom{
  border-top:1px solid rgba(160,190,255,.08);
  padding:20px 0;
}
.footer-bottom .grid-container{
  display:flex;flex-wrap:wrap;gap:8px;
  color:var(--text-dim);
  font-size:12px;
  align-items:center;
}
.footer-bottom .grid-container span:nth-child(2){opacity:.5;}

/* 响应式 */
@media (max-width:1024px){
  .download-hero{padding:86px 0 70px;}
  .desktop-nav{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .release-panel{grid-template-columns:1fr;}
  .release-right{min-height:250px;}
  .version-stats{grid-template-columns:1fr 1fr;}
  .steps-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .timeline-area{grid-template-columns:1fr;}
  .timeline-aside{position:static;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:860px){
  .channel-wrap{grid-template-columns:1fr;}
  .mobile-card{padding:26px;}
  .hero-trust{gap:10px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:640px){
  .section-block{padding:60px 0;}
  .page-hero{padding:54px 0;}
  .brand-name{font-size:15px;}
  .header-inner{min-height:70px;}
  .header-actions .header-download .txt{display:none;}
  .header-download{padding:0 13px;gap:0;}
  .header-download i{font-size:16px;}
  .download-hero{padding:62px 0 58px;}
  h1,.download-hero h1{font-size:28px;line-height:1.3;}
  .hero-buttons .btn{width:100%;}
  .hero-sub{font-size:15px;}
  .hero-download-card{margin:38px 0 0;padding:24px;}
  .version-stats{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:1fr;}
  .release-left{padding:26px 20px;}
  .release-right{padding:0;}
  .release-right .right-content{padding:26px 20px;}
  .channel-card .card-visual{height:170px;}
  .card-body{padding:18px 18px 22px;}
  .mobile-card{padding:20px 18px;}
  .accordion .accordion-title{padding:16px 16px;font-size:14px;}
  .accordion .accordion-content{padding:0 16px 20px 46px;font-size:13px;}
  .timeline-item{padding-left:18px;margin-left:6px;}
  .cta-actions .btn{width:100%;max-width:100%;}
  .footer-top{padding:44px 0 24px;}
}
@media (max-width:520px){
  .hero-trust{flex-direction:column;gap:8px;}
  .footer-bottom .grid-container{flex-direction:column;gap:5px;text-align:center;}
  .footer-bottom .grid-container span:nth-child(2),.footer-bottom .grid-container span:nth-child(4){display:none;}
  .release-row{flex-direction:column;gap:4px;}
}