/* roulang page: index */
:root{
  --page-bg:#08101E;
  --content-bg:#0C1524;
  --sidebar-bg:#0A111F;
  --glass-high:rgba(255,255,255,0.055);
  --glass-low:rgba(255,255,255,0.02);
  --glass-border:rgba(160,210,255,0.16);
  --primary:#4EC8F5;
  --primary-light:#8FE6FF;
  --gold:#D9AF7E;
  --text:#EAF5FF;
  --muted:#9BB2C7;
  --success:#34D399;
  --danger:#F57C7C;
  --radius:20px;
  --radius-sm:14px;
  --shadow:0 1px 0 rgba(255,255,255,0.05) inset,
           0 18px 40px -20px rgba(0,0,0,0.6);
  --shadow-hover:0 1px 0 rgba(255,255,255,0.08) inset,
                 0 30px 60px -24px rgba(0,0,0,0.72);
  --font-main:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.2,.74,.3,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--page-bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s,opacity .2s,border-color .2s,transform .2s}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
img{display:block;max-width:100%}
input,select,textarea{font-family:inherit}
h1,h2,h3,h4{line-height:1.3;font-weight:600;color:var(--text)}
h1{font-size:clamp(36px,4vw,48px);line-height:1.24;font-weight:700;letter-spacing:-0.02em}
h2{font-size:clamp(28px,3vw,36px);letter-spacing:-0.01em}
h3{font-size:22px}
p{color:var(--text)}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(78,200,245,.45);
  outline-offset:3px;
  border-radius:6px;
}
.skip-link{
  position:fixed;left:14px;top:-80px;z-index:3000;
  background:rgba(13,20,34,.96);border:1px solid var(--glass-border);
  padding:10px 16px;border-radius:999px;color:#fff;font-size:14px;
  transition:top .25s;
}
.skip-link:focus{top:14px}

/* layout shell */
.app-sidebar{
  position:fixed;top:0;left:0;width:236px;height:100vh;
  background:var(--sidebar-bg);
  border-right:1px solid rgba(160,210,255,.1);
  display:flex;flex-direction:column;
  z-index:200;
}
.app-sidebar::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(78,200,245,.12) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.14;
  mask-image:linear-gradient(to bottom,transparent 6%,#000 40%,transparent 96%);
  -webkit-mask-image:linear-gradient(to bottom,transparent 6%,#000 40%,transparent 96%);
}
.sidebar__inner{position:relative;z-index:1;display:flex;flex-direction:column;height:100%}
.sidebar__head{height:72px;display:flex;align-items:center;padding:0 20px;flex:0 0 auto}
.brand{display:inline-flex;align-items:center;gap:9px;max-width:100%}
.brand__name{
  font-weight:700;font-size:19px;letter-spacing:-0.01em;white-space:nowrap;
  color:var(--text);
}
.brand:hover .brand__name{color:var(--primary-light)}
.brand__mark{
  width:26px;height:26px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,rgba(78,200,245,.28),rgba(78,200,245,.05));
  border:1px solid rgba(78,200,245,.45);
  box-shadow:0 0 18px rgba(78,200,245,.18);
  position:relative;
}
.brand__mark::before{
  content:"";position:absolute;left:7px;top:6px;width:6px;height:12px;
  background:var(--primary);border-radius:3px;transform:rotate(28deg);
  box-shadow:0 0 8px rgba(78,200,245,.8);
}
.sidebar__nav{flex:1 1 auto;padding:18px 12px 10px;overflow-y:auto}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:12px;color:var(--muted);
  font-size:15px;line-height:1.4;border-left:3px solid transparent;
  background:transparent;transition:all .2s var(--ease);
}
.nav-item a .arrow{opacity:0;margin-left:auto;padding-left:10px;color:var(--primary);transition:opacity .2s,transform .2s;font-weight:300}
.nav-item a:hover{color:var(--text);background:rgba(255,255,255,.035)}
.nav-item a:hover .arrow{opacity:.7;transform:translateX(2px)}
.nav-item.active a{
  color:var(--primary-light);
  background:rgba(78,200,245,.14);
  border-left-color:var(--primary);
}
.nav-item.active .arrow{opacity:1}
.sidebar__foot{padding:16px 16px 22px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;transition:all .2s var(--ease);
  letter-spacing:.01em;
}
.btn--block{width:100%}
.btn--primary{
  background:linear-gradient(135deg,#4EC8F5,#38A4D8);
  color:#062033;
  box-shadow:0 0 0 1px rgba(78,200,245,.35),0 14px 40px -12px rgba(78,200,245,.55);
}
.btn--primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(78,200,245,.45),0 18px 54px -10px rgba(78,200,245,.7);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(78,200,245,.3),0 8px 28px -12px rgba(78,200,245,.5)}
.btn--ghost{
  background:transparent;border:1px solid rgba(160,210,255,.28);
  color:var(--text);
}
.btn--ghost:hover{background:rgba(78,200,245,.08);border-color:var(--primary);color:var(--primary-light)}
.btn--gold{
  background:rgba(217,175,126,.14);
  border:1px solid rgba(217,175,126,.5);
  color:#F0D7B5;
}
.btn--gold:hover{background:rgba(217,175,126,.22);filter:brightness(1.06)}

/* topbar mobile */
.app-topbar{
  position:fixed;top:0;left:0;right:0;height:64px;z-index:220;
  display:none;align-items:center;justify-content:space-between;
  background:rgba(8,16,30,.88);
  border-bottom:1px solid rgba(160,210,255,.12);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  padding:0 18px;
}
.topbar__brand{color:var(--text);font-weight:700;font-size:17px}
.nav-trigger{
  width:42px;height:42px;display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;border-radius:12px;
  border:1px solid rgba(160,210,255,.2);
}
.nav-trigger span{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;transition:transform .25s,opacity .25s}
body.drawer-open .nav-trigger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.drawer-open .nav-trigger span:nth-child(2){opacity:0}
body.drawer-open .nav-trigger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* app content */
.app-content{margin-left:236px;min-height:100vh;display:flex;flex-direction:column;background:var(--content-bg)}
.app-main{flex:1 1 auto}

/* hero */
.hero{
  position:relative;overflow:hidden;padding:96px 0 92px;
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(78,200,245,.12);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg, rgba(8,16,30,.98) 12%, rgba(8,16,30,.82) 42%, rgba(12,21,36,.62) 72%, rgba(12,21,36,.84) 100%);
}
.hero::after{
  content:"";position:absolute;left:-110px;top:-80px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(78,200,245,.18),transparent 68%);
  filter:blur(22px);
}
.hero__wrap{
  max-width:1280px;margin:0 auto;padding:0 34px;
  position:relative;z-index:2;
}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:56px;align-items:center}
.hero__note{display:inline-flex;align-items:center;gap:8px;background:rgba(53,235,155,.08);border:1px solid rgba(53,235,155,.32);color:#A1F5D2;border-radius:999px;font-size:13px;padding:7px 14px;margin-bottom:26px}
.hero__note .dot{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(53,235,155,.18)}
.hero__title strong{color:var(--primary-light);font-weight:700}
.hero__title{
  max-width:650px;
}
.hero__sub{
  margin-top:24px;font-size:17px;color:var(--muted);
  max-width:600px;line-height:1.85;
}
.hero__cta{margin-top:36px;display:flex;flex-wrap:wrap;gap:14px}
.hero__aside{display:flex;justify-content:flex-end}
.login-card{
  width:100%;max-width:400px;border-radius:24px;position:relative;
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border:1px solid rgba(160,210,255,.18);
  background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.018));
  box-shadow:var(--shadow);
  padding:28px;overflow:hidden;
}
@supports not (backdrop-filter:blur(1px)){
  .login-card{background:rgba(13,20,34,.96)}
}
.login-card::before{
  content:"";position:absolute;right:-40px;top:-50px;width:140px;height:140px;
  background:radial-gradient(circle,rgba(78,200,245,.16),transparent 70%);pointer-events:none;
}
.login-card__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.login-card__title{font-size:17px;font-weight:600}
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  font-size:13px;padding:5px 11px;border:1px solid rgba(160,210,255,.22);
  background:rgba(255,255,255,.04);color:var(--muted);white-space:nowrap;
  line-height:1.2;
}
.badge svg,.badge .b-dot{width:6px;height:6px;border-radius:50%}
.badge--online .b-dot{background:var(--success)}
.badge--now .b-dot{background:var(--primary)}
.login-card__desc{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:18px}
.login-step{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(160,210,255,.11);
}
.login-step:last-child{border-bottom:0}
.login-step__num{
  width:30px;height:30px;border-radius:10px;flex:0 0 auto;
  background:rgba(78,200,245,.12);border:1px solid rgba(78,200,245,.24);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--primary-light);font-weight:600;
}
.login-step__body{font-size:14px;color:var(--muted);line-height:1.7}
.login-step__body strong{display:block;color:var(--text);font-size:15px;font-weight:600;margin-bottom:1px}
.login-card__btn{margin-top:20px}
.login-card__link{display:inline-flex;align-items:center;gap:6px;margin-top:13px;font-size:14px;color:var(--muted);transition:color .2s}
.login-card__link:hover{color:var(--primary-light)}
.login-card__link .arw{margin-left:2px;transition:transform .2s}
.login-card__link:hover .arw{transform:translateX(4px)}

/* section system */
.section{padding:92px 0;scroll-margin-top:70px}
.section--tight{padding:70px 0}
.wrap{max-width:1280px;margin:0 auto;padding:0 34px}
.section-head{margin-bottom:52px}
.section-head--center{text-align:center}
.section-head__eyebrow{color:var(--gold);font-size:14px;letter-spacing:.1em;margin-bottom:10px;display:inline-flex;align-items:center;gap:8px}
.section-head__eyebrow::before,.section-head__eyebrow::after{content:"";width:14px;height:1px;background:rgba(217,175,126,.6)}
.section-head__center .section-head__eyebrow{justify-content:center}
.section-head__center .section-head__eyebrow::before{display:inline-block}
.section-head p{color:var(--muted);max-width:760px;font-size:17px;line-height:1.85;margin-top:14px}

/* story section */
.story-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center}
.story__media{
  position:relative;border-radius:26px;overflow:hidden;border:1px solid rgba(160,210,255,.14);
  box-shadow:var(--shadow);background:var(--sidebar-bg);
}
.story__media::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(78,200,245,.1),transparent 60%)}
.story__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s var(--ease)}
.story__media:hover img{transform:scale(1.025)}
.story__desc{font-size:17px;color:var(--muted);line-height:1.9}
.story-list{margin-top:40px}
.story-item{padding:22px 0;border-bottom:1px solid rgba(160,210,255,.12)}
.story-item__head{display:flex;align-items:baseline;gap:14px}
.story-item__no{color:var(--gold);font-size:15px;font-weight:600;letter-spacing:.03em}
.story-item__title{font-size:20px;font-weight:600;margin-bottom:8px}
.story-item__body{color:var(--muted);font-size:15px;padding-left:38px;line-height:1.8}
.story-item__badge{
  margin-left:auto;font-size:13px;color:var(--muted);background:rgba(255,255,255,.04);
  border:1px solid rgba(160,210,255,.16);padding:4px 10px;border-radius:999px;
}

/* horizontal feature */
.glass-card{
  position:relative;border-radius:24px;border:1px solid rgba(160,210,255,.16);
  background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  box-shadow:var(--shadow);
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.glass-card:hover{transform:translateY(-6px);border-color:rgba(160,210,255,.3);box-shadow:var(--shadow-hover)}
.feature-scroll{display:flex;gap:22px;overflow-x:auto;padding:6px 34px 26px 4px;scroll-snap-type:x proximity;scrollbar-width:none}
.feature-scroll::-webkit-scrollbar{display:none}
.feature-scroll-wrap{position:relative}
.feature-scroll-wrap::after{
  content:"";position:absolute;right:-2px;top:0;width:84px;height:100%;pointer-events:none;
  background:linear-gradient(to left,rgba(12,21,36,.98),transparent);border-radius:22px;
}
.feature-card{flex:0 0 auto;width:378px;scroll-snap-align:start;overflow:hidden}
.feature-card--wide{width:548px}
.feature-card__cover{position:relative;border-radius:22px 22px 0 0;overflow:hidden;aspect-ratio:16/10;background:#08101E}
.feature-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.feature-card:hover .feature-card__cover img{transform:scale(1.06)}
.feature-card__cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,transparent 62%,rgba(8,16,30,.82))}
.feature-card__badge{position:absolute;left:16px;top:16px;z-index:3}
.feature-card__body{padding:20px 22px 24px}
.feature-card__title{font-size:20px;line-height:1.42;margin-bottom:10px;display:block}
.feature-card__summary{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.feature-card__more{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--primary-light)}
.feature-card__more .ar{transition:transform .2s}
.feature-card:hover .feature-card__more .ar{transform:translateX(4px)}

/* process / stats */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid rgba(160,210,255,.12);border-radius:24px;overflow:hidden}
.process__item{padding:34px 26px;background:rgba(255,255,255,.018);border-left:1px solid rgba(160,210,255,.1)}
.process__item:first-child{border-left-color:transparent;background:transparent}
.process__num{
  font-family:var(--font-main);font-weight:700;font-size:40px;color:rgba(217,175,126,.92);
  letter-spacing:-.02em;line-height:1;display:block;margin-bottom:14px;
}
.process__title{font-size:17px;font-weight:600;margin-bottom:8px}
.process__desc{font-size:14px;color:var(--muted);line-height:1.75}

/* trust */
.trust-module{background:rgba(8,16,30,.42);border-radius:28px;padding:54px 40px;border:1px solid rgba(160,210,255,.1);overflow:hidden}
.trust-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.trust-logos{display:flex;flex-wrap:wrap;gap:12px}
.trust-logo{
  width:112px;height:54px;border-radius:16px;background:rgba(255,255,255,.035);
  border:1px solid rgba(160,210,255,.13);display:flex;align-items:center;justify-content:center;
  font-size:14px;color:rgba(234,245,255,.5);letter-spacing:.02em;transition:all .25s;
  backdrop-filter:blur(12px);
}
.trust-logo:hover{background:rgba(255,255,255,.09);color:var(--text);border-color:rgba(78,200,245,.4);transform:translateY(-2px)}
.trust-quote{padding:6px 0}
.trust-quote blockquote{
  font-size:19px;line-height:1.9;color:var(--text);border-left:3px solid rgba(78,200,245,.6);
  padding-left:20px;background:none;
}
.trust-quote footer{
  margin-top:16px;color:var(--muted);font-size:14px;
}
.trust-quote footer::before{
  content:"— ";color:var(--gold)
}

/* cms feed */
.feed{background:rgba(8,16,30,.25);border-top:1px solid rgba(160,210,255,.1);border-bottom:1px solid rgba(160,210,255,.1)}
.cms-feed{display:flex;flex-direction:column}
.cms-feed__row{
  display:grid;grid-template-columns:116px minmax(0,1fr) auto 46px;
  align-items:center;gap:24px;padding:24px 20px;border-radius:18px;
  border:1px solid transparent;background:rgba(255,255,255,.012);transition:all .24s;
}
.cms-feed__row:hover{background:rgba(255,255,255,.045);border-color:rgba(160,210,255,.14);transform:translateX(5px)}
.cms-feed__row + .cms-feed__row{margin-top:4px}
.cms-feed__type{
  display:inline-flex;align-items:center;gap:7px;justify-self:start;font-size:13px;color:var(--muted);
  background:rgba(255,255,255,.045);border:1px solid rgba(160,210,255,.18);border-radius:999px;padding:5px 12px;
  line-height:1.2;
}
.cms-feed__type::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary)}
.cms-feed__title{font-size:17px;font-weight:600;line-height:1.55;color:var(--text);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cms-feed__summary{grid-column:2 / -1;font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-feed__time{font-size:13px;color:var(--muted);white-space:nowrap}
.cms-feed__arrow{width:40px;height:40px;border-radius:50%;border:1px solid rgba(160,210,255,.2);display:flex;align-items:center;justify-content:center;color:var(--primary-light);font-size:20px;transition:all .2s}
.cms-feed__row:hover .cms-feed__arrow{background:rgba(78,200,245,.16);border-color:var(--primary);transform:rotate(45deg)}
.cms-feed__empty{
  padding:30px 22px;border-radius:18px;border:1px dashed rgba(160,210,255,.28);
  color:var(--muted);font-size:15px;text-align:center;background:rgba(255,255,255,.02);
}

/* cta */
.cta-panel{
  border-radius:28px;border:1px solid rgba(160,210,255,.2);
  background:radial-gradient(circle at 10% 10%,rgba(78,200,245,.14),transparent 38%),linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
  backdrop-filter:blur(16px);
  padding:58px 48px;
}
.cta-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:52px;align-items:center}
.cta-panel h2{font-size:30px}
.cta-panel p{color:var(--muted);margin-top:12px;font-size:15px;line-height:1.85}
.cta-panel p a{color:var(--primary-light);border-bottom:1px solid rgba(78,200,245,.3);transition:border-color .2s}
.cta-panel p a:hover{border-bottom-color:var(--primary)}
.form-subscribe{position:relative}
.input-glass{
  width:100%;min-height:54px;border-radius:16px;background:rgba(255,255,255,.06);
  border:1px solid rgba(160,210,255,.2);padding:0 144px 0 18px;font-size:15px;
  color:var(--text);transition:border-color .2s,box-shadow .2s;
}
.input-glass::placeholder{color:#6F859B}
.input-glass:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px rgba(78,200,245,.13)}
.form-subscribe .btn{
  position:absolute;top:4px;right:4px;bottom:4px;min-width:128px;
  border-radius:14px;
}
.subscribe-aside{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--muted)}
.subscribe-aside a{display:inline-flex;align-items:center;gap:5px;color:var(--muted)}
.subscribe-aside a:hover{color:var(--primary-light)}
.subscribe-aside .ar{transition:transform .2s}
.subscribe-aside a:hover .ar{transform:translateX(4px)}

/* footer */
.site-footer{
  background:#060C16;border-top:1px solid rgba(160,210,255,.11);
  padding:48px 34px 26px;margin-top:0;
}
.footer-grid{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:1.2fr .7fr .7fr 1fr;gap:42px}
.footer-brand .brand{font-size:17px;color:var(--text)}
.footer-brand__desc{
  margin-top:15px;font-size:13px;line-height:1.8;color:var(--muted);
  max-width:300px;
}
.footer-title{font-size:14px;color:#EAF5FF;letter-spacing:.06em;margin-bottom:12px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{
  color:var(--muted);font-size:13px;display:inline-flex;align-items:center;gap:8px;
}
.footer-links a::before{content:"";width:4px;height:4px;border-radius:50%;background:rgba(78,200,245,.64);transition:background .2s}
.footer-links a:hover{color:var(--primary-light)}
.footer-links a:hover::before{background:var(--primary)}
.footer-safe{font-size:12px;color:var(--muted);line-height:1.75}
.footer-safe strong{color:rgba(234,245,255,.8);font-weight:500}
.footer-copy{
  max-width:1280px;margin:38px auto 0;padding-top:20px;border-top:1px solid rgba(160,210,255,.1);
  display:flex;justify-content:space-between;align-items:center;
  color:var(--muted);font-size:13px;flex-wrap:wrap;gap:10px;
}

/* drawer */
.app-drawer{
  position:fixed;top:0;left:0;width:280px;height:100vh;z-index:260;transform:translateX(-102%);
  transition:transform .32s var(--ease);background:var(--sidebar-bg);
  border-right:1px solid rgba(160,210,255,.14);
  display:flex;flex-direction:column;padding:16px 14px;
}
body.drawer-open .app-drawer{transform:translateX(0)}
.drawer-backdrop{
  position:fixed;inset:0;z-index:250;background:rgba(0,0,0,.56);opacity:0;
  pointer-events:none;transition:opacity .3s;
}
body.drawer-open .drawer-backdrop{opacity:1;pointer-events:auto}
.drawer-nav .nav-item a{padding-left:12px}

/* responsive */
@media (max-width:1100px){
  .app-sidebar{display:none}
  .app-content{margin-left:0}
  .app-topbar{display:flex}
  .app-main{padding-top:64px}
  .hero{padding:72px 0}
  .hero__grid{grid-template-columns:1fr;gap:44px}
  .hero__aside{justify-content:flex-start}
  .story-grid{grid-template-columns:1fr;gap:40px}
  .trust-grid{grid-template-columns:1fr;gap:40px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .cta-panel{padding:40px 30px}
  .feature-card--wide{width:478px}
  .feature-card{width:350px}
}
@media(max-width:850px){
  .wrap{padding:0 22px}
  .section{padding:68px 0}
  .section__head{margin-bottom:36px}
  .process{grid-template-columns:1fr 1fr;gap:0}
  .process__item{border-left:0}
  .process__item:nth-child(even){border-left:1px solid rgba(160,210,255,.1)}
  .process__item:nth-child(n+3){border-top:1px solid rgba(160,210,255,.1)}
  .process__item{border-left:0}
  .process__item:nth-child(2){border-left:1px solid rgba(160,210,255,.1)}
  .cms-feed__row{grid-template-columns:1fr auto;gap:12px 18px}
  .cms-feed__summary{grid-column:1 / -1}
  .cms-feed__type{justify-self:start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:560px){
  h1{font-size:34px}
  .hero{padding:56px 0 60px}
  .hero__wrap{max-width:100%;padding:0 18px}
  .hero__sub{font-size:16px}
  .hero__cta{flex-direction:column}
  .hero__cta .btn{width:100%;min-height:48px}
  .login-card{padding:20px}
  .wrap{padding:0 18px}
  .story__media img{aspect-ratio:3/2}
  .section{padding:54px 0}
  .section-head p{font-size:15px}
  .feature-scroll{padding-right:22px;gap:16px}
  .feature-scroll-wrap::after{width:44px;right:4px;border-radius:25px}
  .feature-card,.feature-card--wide{width:86%;flex-basis:86%}
  .feature-card__body{padding:18px}
  .process{grid-template-columns:1fr}
  .process__item,.process__item:nth-child(even),.process__item:nth-child(2){border-left:0;border-top:1px solid rgba(160,210,255,.1)}
  .process__item:first-child{border-top:0}
  .process__num{font-size:34px}
  .trust-module{padding:32px 18px}
  .trust-logos{gap:8px}
  .trust-logo{width:48%;height:46px;font-size:13px}
  .cta-panel{border-radius:22px;padding:28px 18px}
  .form-subscribe .btn{position:static;width:100%;min-height:48px;margin-top:10px}
  .input-glass{padding:0 16px}
  .cms-feed__time{display:block}
  .cms-feed__row{grid-template-columns:1fr;padding:18px 14px}
  .cms-feed__row:hover{transform:none}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-copy{flex-direction:column;align-items:flex-start}
  .footer-brand__desc{max-width:100%}
}

/* roulang page: article */
:root{
  color-scheme:dark;
  --bg-void:#060C16;
  --bg-deep:#08101E;
  --bg-panel:#0A111F;
  --bg-content:#0C1524;
  --glass:rgba(255,255,255,.05);
  --glass-light:rgba(255,255,255,.08);
  --line:rgba(160,210,255,.16);
  --line-soft:rgba(160,210,255,.10);
  --text-strong:#EAF5FF;
  --text-main:#C7DAEC;
  --text-dim:#9BB2C7;
  --accent:#4EC8F5;
  --accent-bright:#8FE6FF;
  --gold:#D9AF7E;
  --success:#34D399;
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-glow:0 0 0 1px rgba(78,200,245,.35), 0 14px 40px -12px rgba(78,200,245,.55);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-void);
  color:var(--text-main);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent-bright);text-decoration:none;transition:color .2s ease}
a:hover{color:#fff}
a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
ul,ol{list-style-position:inside}
button{font-family:inherit}
input,button,textarea{font-family:inherit}
::selection{background:rgba(78,200,245,.25);color:#fff}

h1,h2,h3,h4{font-weight:700;color:var(--text-strong);line-height:1.35;text-wrap:balance}
p{text-wrap:pretty}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:44px;padding:12px 26px;border-radius:999px;
  font-weight:600;font-size:15px;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
  text-align:center;
}
.btn:active{transform:translateY(1px)}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--accent) 10%,#38A4D8 100%);
  color:#062033;
  box-shadow:0 0 0 1px rgba(78,200,245,.35),0 14px 40px -12px rgba(78,200,245,.55);
}
.btn-primary:hover{
  color:#062033;filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(142,230,255,.45),0 18px 48px -12px rgba(78,200,245,.7);
  transform:translateY(-2px);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 26px -12px rgba(78,200,245,.5)}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:rgba(160,210,255,.28);
  color:var(--text-strong);
}
.btn-ghost:hover{
  background:rgba(78,200,245,.08);
  border-color:rgba(160,210,255,.5);
  color:#fff;transform:translateY(-2px);
}
.btn-sm{min-height:38px;padding:8px 18px;font-size:14px}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--accent-bright);
  font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:999px;
  backdrop-filter:blur(14px) saturate(150%);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
}
.badge .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(78,200,245,.8);
}
.badge.is-success .dot{background:var(--success);box-shadow:0 0 10px rgba(52,211,153,.8)}

.sidebar-status{color:var(--text-dim);font-size:13px;display:flex;align-items:center;gap:8px}

body.nav-open .sidebar{transform:translateX(0)}
body.nav-open .menu-mask{opacity:1;visibility:visible;pointer-events:auto}

.app-shell{min-height:100vh;background:var(--bg-void)}
.sidebar{
  position:fixed;inset:0 auto 0 0;width:236px;height:100vh;z-index:1200;
  background:linear-gradient(180deg,#0a111f 0%,#08101E 78%);
  border-right:1px solid var(--line-soft);
  display:flex;flex-direction:column;
  transition:transform .32s cubic-bezier(.22,.72,.25,1);
}
.sidebar::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 20% 16%,rgba(78,200,245,.10),transparent 48%),radial-gradient(circle at 80% 90%,rgba(217,175,126,.05),transparent 55%);
  z-index:0;
}
.sidebar > *{position:relative;z-index:1}
.sidebar__inner{display:flex;flex-direction:column;height:100%}
.sidebar__logo{
  height:72px;display:flex;align-items:center;gap:10px;
  padding:0 20px;border-bottom:1px solid rgba(160,210,255,.08);
  flex:none;
}
.logo-mark{
  width:32px;height:32px;border-radius:11px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(78,200,245,.22),rgba(78,200,245,.03));
  border:1px solid rgba(78,200,245,.42);
  box-shadow:0 0 22px rgba(78,200,245,.22);
  color:var(--accent-bright);font-size:17px;
}
.logo-words{display:flex;flex-direction:column;line-height:1.14;min-width:0}
.logo-name{font-size:15px;font-weight:700;color:#F2FAFF;white-space:nowrap;letter-spacing:.01em}
.logo-sub{font-size:10px;color:var(--gold);font-weight:600;letter-spacing:.2em;margin-top:2px}
.sidebar__logo:hover .logo-mark,.sidebar__logo:focus-visible .logo-mark{filter:brightness(1.25)}
.sidebar__nav{padding:20px 14px;flex:1;overflow-y:auto;overflow-x:hidden}
.nav-list{list-style:none}
.nav-item{position:relative;margin-bottom:6px}
.nav-item a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:10px 18px 10px 16px;border-radius:14px;
  color:var(--text-dim);font-size:15px;font-weight:500;
  background:transparent;border:1px solid transparent;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item a:hover{color:var(--text-strong);background:rgba(255,255,255,.04);transform:translateX(2px)}
.nav-item .arrow{font-size:17px;opacity:0;transform:translateX(-6px);transition:all .22s ease}
.nav-item a:hover .arrow,.nav-item.active a .arrow{opacity:.85;transform:translateX(0)}
.nav-item.active a{
  color:var(--accent-bright);
  background:rgba(78,200,245,.14);
  font-weight:600;
}
.nav-item.active a::before{
  content:"";position:absolute;left:-14px;top:10px;bottom:10px;width:3px;
  border-radius:99px;background:var(--accent);
  box-shadow:0 0 12px rgba(78,200,245,.8);
}
.sidebar__bottom{padding:14px 18px 24px;border-top:1px solid rgba(160,210,255,.08);display:grid;gap:12px}
.sidebar__bottom .btn{width:100%}
.sidebar__bottom .sidebar-status{justify-content:center}

.menu-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.56);z-index:1190;
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .3s ease;
  backdrop-filter:blur(2px);
}

.mobile-topbar{
  height:64px;position:sticky;top:0;z-index:1100;
  display:none;align-items:center;justify-content:space-between;
  padding:0 18px;background:rgba(8,16,30,.88);
  border-bottom:none;
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
}
.mobile-admin-logo{display:flex;align-items:center;gap:10px}
.mobile-admin-logo .logo-name{font-size:16px}
.menu-toggle{
  width:46px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-strong);font-size:16px;cursor:pointer;
}
.menu-toggle:hover{background:rgba(78,200,245,.1);border-color:rgba(78,200,245,.4)}

.app-main{margin-left:236px;min-width:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg-deep)}
.content-zone{flex:1;width:100%}
.article-view{background:var(--bg-deep)}

.article-hero{
  position:relative;
  display:flex;align-items:flex-end;
  min-height:360px;
  padding:72px clamp(20px,5vw,76px) 54px;
  background:
    linear-gradient(90deg,rgba(8,16,30,.92) 0%,rgba(8,16,30,.58) 44%,rgba(8,16,30,.36) 100%),
    linear-gradient(180deg,rgba(8,16,30,.1) 0%,rgba(8,16,30,.7) 80%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;top:-20%;right:-12%;width:36%;height:70%;
  background:radial-gradient(circle,rgba(78,200,245,.24),transparent 62%);
  filter:blur(8px);pointer-events:none;
}
.article-hero-inner{position:relative;z-index:2;max-width:860px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-dim);margin-bottom:24px;
}
.breadcrumb a{color:var(--text-dim)}
.breadcrumb a:hover{color:var(--accent-bright)}
.breadcrumb i{opacity:.5;font-size:10px}
.breadcrumb .now{color:rgba(234,245,255,.72);max-width:360px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:inline-block}
.article-kicker{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.article-title{
  font-size:clamp(32px,4vw,50px);
  line-height:1.22;font-weight:700;letter-spacing:-.01em;
  color:var(--text-strong);max-width:860px;
}
.article-meta-line{
  margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  color:var(--text-dim);font-size:14px;
}
.meta-time{display:inline-flex;align-items:center;gap:7px}
.meta-time i{font-size:13px;color:var(--gold)}
.meta-divider{width:1px;height:14px;background:var(--line)}

.article-body-wrap{padding:56px clamp(20px,6vw,90px) 70px;position:relative}
.article-body-inner{max-width:820px;margin:0 auto}
.post-body{
  font-size:17px;line-height:1.95;color:#C7DAEC;
  max-width:100%;
}
.post-body p{margin:0 0 26px}
.post-body strong{color:#EDF6FF;font-weight:700}
.post-body em{color:var(--gold)}
.post-body a{color:var(--accent-bright);border-bottom:1px solid rgba(78,200,245,.35);padding-bottom:1px}
.post-body h2{
  font-size:clamp(24px,3vw,32px);line-height:1.35;margin:52px 0 18px;padding-top:8px;
  color:#F2F9FF;
}
.post-body h2::before{content:"云";font-size:.72em;color:var(--gold);margin-right:12px;opacity:.9;display:inline-block}
.post-body h3{font-size:22px;color:#E5F2FF;margin:40px 0 14px}
.post-body h4{font-size:18px;color:#DDEFFF;margin:32px 0 10px}
.post-body blockquote{
  margin:36px 0;padding:30px 34px;
  background:linear-gradient(135deg,rgba(78,200,245,.07),rgba(255,255,255,.025));
  border-left:3px solid var(--accent);
  border-radius:0 18px 18px 0;color:#C9E2F2;font-size:16px;
}
.post-body blockquote p{margin-bottom:12px}
.post-body blockquote footer{
  margin-top:14px;color:var(--gold);font-size:14px;font-style:normal;
}
.post-body img{
  max-width:100%;height:auto;border-radius:16px;margin:32px auto;
  border:1px solid rgba(160,210,255,.12);
}
.post-body img[style]{border-radius:14px}
.post-body ul,.post-body ol{margin:0 0 28px;padding-left:1em}
.post-body li{list-style:none;position:relative;padding-left:1.8em;margin-bottom:8px}
.post-body li::before{content:"";position:absolute;left:0;top:.8em;width:9px;height:9px;border-radius:3px 0 3px 0;background:linear-gradient(135deg,var(--accent),var(--accent-bright));opacity:.9}
.post-body ol{counter-reset:postlist}
.post-body ol li{counter-increment:postlist}
.post-body ol li::before{content:counter(postlist);width:22px;height:22px;border-radius:50%;background:rgba(78,200,245,.15);color:var(--accent-bright);font-size:12px;font-weight:700;display:grid;place-items:center;position:absolute;left:-3px;top:.3em}
.post-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:32px 0;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);border-radius:16px;overflow:hidden;
  font-size:15px;
}
.post-body th,.post-body td{padding:14px 18px;border-bottom:1px solid rgba(160,210,255,.09);text-align:left;color:#B9CFE4}
.post-body th{background:rgba(78,200,245,.09);color:var(--accent-bright);font-weight:600;border-right:1px solid var(--line-soft)}
.post-body tr:last-child td{border-bottom:0}
.post-body pre,.post-body code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  background:#0d1829;color:#BDE7FF;border:1px solid var(--line-soft);border-radius:12px;
}
.post-body code{padding:2px 6px;font-size:.86em}
.post-body pre{padding:20px 22px;overflow-x:auto;line-height:1.7;margin:28px 0}
.post-body pre code{border:0;background:transparent;padding:0}

.post-actions{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  padding:22px 0;margin-top:44px;
}
.share-icons{display:flex;align-items:center;gap:10px}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text-dim);font-size:13px;cursor:pointer;transition:all .2s ease;
}
.share-btn:hover{background:rgba(78,200,245,.09);border-color:rgba(78,200,245,.4);color:var(--accent-bright)}
.share-btn i{font-size:12px}
.tag-pills{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  font-size:12px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);
  color:var(--text-dim);
}

.reading-module{padding:20px clamp(20px,5vw,72px) 96px}
.reading-module-inner{max-width:1060px;margin:0 auto}
.module-head{margin-bottom:34px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.module-head h2{font-size:clamp(26px,3vw,36px);color:#F0F8FF;margin-top:10px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:600;letter-spacing:.12em;margin-bottom:10px}
.section-kicker::before{content:"";width:24px;height:1px;background:var(--gold);opacity:.7}
.module-more{font-size:14px;color:var(--text-dim);display:inline-flex;align-items:center;gap:6px}
.module-more i{font-size:12px}
.reading-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.read-card{
  position:relative;display:flex;flex-direction:column;border-radius:var(--radius-lg);
  background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  border:1px solid var(--line);backdrop-filter:blur(14px) saturate(150%);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .28s cubic-bezier(.2,.8,.28,1),border-color .3s ease,box-shadow .3s ease;
}
.read-card:hover{transform:translateY(-6px);border-color:rgba(142,230,255,.42);box-shadow:0 28px 52px -24px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.09)}
.read-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.read-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);aspect-ratio:16/10}
.read-card:hover .read-cover img{transform:scale(1.05)}
.read-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 46%,rgba(6,10,18,.52) 100%)}
.cover-badge{position:absolute;z-index:2;left:14px;top:14px;background:rgba(6,16,30,.72);border-color:rgba(255,255,255,.16);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.read-body{display:flex;flex-direction:column;flex:1;padding:24px}
.read-body h3{font-size:18px;line-height:1.5;color:#DDF1FF;margin-bottom:10px}
.read-body h3 a{color:inherit}
.read-body h3 a:hover{color:var(--accent-bright)}
.read-summary{font-size:14px;color:var(--text-dim);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.read-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  color:var(--accent-bright);font-size:14px;font-weight:600;
}
.read-link::after{content:"→";transition:transform .2s ease}
.read-link:hover::after{transform:translateX(4px)}

.missing-holder{
  max-width:760px;margin:24px auto 100px;
  padding:84px 36px;text-align:center;
  background:rgba(255,255,255,.035);border:1px solid var(--line-soft);border-radius:24px;
  display:grid;justify-items:center;gap:14px;
}
.missing-icon{
  width:58px;height:58px;border-radius:18px;display:grid;place-items:center;
  font-size:24px;border:1px solid rgba(217,175,126,.5);color:var(--gold);
  background:rgba(217,175,126,.08);margin-bottom:8px;
}
.missing-title{font-size:clamp(28px,4vw,40px)}
.missing-holder p{color:var(--text-dim);font-size:16px;margin-bottom:10px}
.missing-holder .btn{margin-top:12px}

.site-footer{margin:0;background:#050A13;border-top:1px solid rgba(142,230,255,.09);width:100%}
.footer-inner{max-width:1200px;margin:0 auto;padding:56px 24px 24px;display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:40px;align-items:start}
.footer-brand .footer-logo{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:#ECF7FF;margin-bottom:12px}
.footer-brand .footer-logo i{color:var(--accent);font-size:18px}
.footer-brand p{font-size:14px;color:var(--text-dim);line-height:1.8}
.footer-title{font-size:14px;color:var(--accent-bright);font-weight:600;margin-bottom:16px;display:inline-flex;align-items:center;gap:8px}
.footer-title::before{content:"";width:14px;height:1px;background:var(--gold);opacity:.8}
.footer-links{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.footer-links a{display:inline-flex;align-items:center;gap:6px;color:var(--text-dim);font-size:14px;transition:all .2s ease}
.footer-links a::before{content:"";width:4px;height:4px;border-radius:50%;background:rgba(160,210,255,.3);transition:background .2s}
.footer-links a:hover{color:var(--accent-bright);transform:translateX(3px)}
.footer-links a:hover::before{background:var(--accent)}
.footer-safe{font-size:13px;color:var(--text-dim)}
.footer-safe .status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 12px rgba(52,211,153,.6);margin-right:8px}
.footer-safe .tls-note{
  display:flex;align-items:center;gap:8px;margin-top:16px;color:rgba(155,178,199,.55);
}
.footer-safe .tls-note i{font-size:13px;color:var(--gold);opacity:.7}
.footer-bottom{
  border-top:1px solid rgba(160,210,255,.07);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  max-width:1200px;margin:0 auto;padding:18px 24px 28px;color:rgba(155,178,199,.5);
  font-size:12px;
}

@media screen and (max-width:1023.98px){
  .sidebar{transform:translateX(-104%);box-shadow:none}
  .mobile-topbar{display:flex}
  .menu-mask{display:block}
  .site-footer .mobile-links{display:none}
  .app-main{margin-left:0}
  .article-hero{min-height:300px;padding-top:56px}
  .article-title{font-size:clamp(30px,6vw,44px)}
  .reading-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
}
@media screen and (max-width:767.98px){
  .article-hero{padding:48px 20px 42px;min-height:auto}
  .article-title{font-size:clamp(26px,6vw,36px)}
  .breadcrumb{font-size:12px}
  .article-body-wrap{padding:40px 18px 52px}
  .post-body{font-size:16px}
  .reading-grid{grid-template-columns:1fr}
  .module-head{margin-bottom:22px}
  .post-actions{align-items:flex-start;flex-direction:column}
  .footer-inner{grid-template-columns:1fr;gap:24px;padding-top:42px}
  .footer-brand{grid-column:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding-bottom:26px}
  .read-body{padding:20px 18px}
}
@media screen and (max-width:520px){
  .article-meta-line{gap:10px}
  .meta-read,.meta-divider{display:none}
  .breadcrumb .now{max-width:170px}
  .article-hero-inner{padding:0 2px}
  .write-module .module-head{display:block}
  .read-actions{width:100%;display:flex;justify-content:center}
  .mobile-links{display:none}
}

/* roulang page: category1 */
:root {
  --bg: #08101E;
  --bg-deep: #060C16;
  --bg-soft: #0A111F;
  --bg-elev: #0C1524;
  --glass: rgba(255,255,255,.05);
  --glass-2: rgba(255,255,255,.02);
  --line: rgba(160,210,255,.16);
  --line-strong: rgba(160,210,255,.28);
  --line-soft: rgba(160,210,255,.10);
  --ink: #EAF5FF;
  --muted: #9BB2C7;
  --accent: #4EC8F5;
  --accent-light: #8FE6FF;
  --gold: #D9AF7E;
  --success: #34D399;
  --danger: #F97066;
  --dark-btn-text: #062033;
  --radius-xl: 22px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --shadow-card: 0 1px 0 rgba(255,255,255,.05) inset, 0 18px 40px -20px rgba(0,0,0,.6);
  --shadow-cta: 0 0 0 1px rgba(78,200,245,.35), 0 14px 40px -12px rgba(78,200,245,.55);
  --ease: .25s cubic-bezier(.25,.75,.25,1);
}

html {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, opacity .2s ease, background .2s ease, border-color .2s ease;
}

ul, p, h1, h2, h3, h4 {
  margin: 0;
}

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

button {
  border: 0;
  background: none;
  cursor: pointer;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 90;
  padding: 10px 16px;
  background: var(--bg-elev);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  transform: translateY(-140%);
  transition: transform .25s ease;
}

.skip-link:focus {
  transform: translateY(0);
  color: var(--ink);
}

.app-shell {
  min-height: 100vh;
  position: relative;
}

.mobile-topbar {
  display: none;
}

.nav-toggle {
  position: fixed;
  left: -9999px;
  top: -9999px;
  width: 0;
  height: 0;
  opacity: 0;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 38;
  background: rgba(0,0,0,.58);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .3s ease, visibility .3s ease;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  width: 236px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0 14px 16px;
  background: rgba(10,17,31,.96);
  border-right: 1px solid rgba(160,210,255,.1);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 25% 8%, rgba(78,200,245,.08), transparent 32%),
    radial-gradient(circle at 88% 88%, rgba(217,175,126,.05), transparent 30%);
}

.sidebar > * {
  position: relative;
  z-index: 1;
}

.sidebar__brand {
  flex: 0 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  padding: 0 6px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  max-width: 132px;
  color: var(--ink);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.022em;
  line-height: 1.2;
  transition: filter .25s ease, opacity .25s ease;
}

.brand:hover {
  filter: brightness(1.15);
  color: var(--ink);
}

.brand__blink {
  width: 7px;
  height: 7px;
  align-self: center;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(217,175,126,.1), 0 0 16px rgba(217,175,126,.35);
}

.sidebar__nav {
  flex: 1;
  padding: 18px 0 22px;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0 2px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item > a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 11px 11px 13px;
  border-radius: 12px;
  border-left: 3px solid transparent;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.4;
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
}

.nav-item > a .arrow {
  opacity: 0;
  transform: translateX(-6px);
  font-size: 17px;
  transition: opacity .25s ease, transform .25s ease, color .25s ease;
}

.nav-item > a:hover,
.nav-item > a:focus-visible {
  background: rgba(78,200,245,.07);
  color: var(--ink);
}

.nav-item > a:hover .arrow,
.nav-item > a:focus-visible .arrow {
  opacity: .9;
  transform: translateX(0);
}

.nav-item.active > a {
  background: rgba(78,200,245,.14);
  border-left-color: var(--accent);
  color: var(--ink);
  font-weight: 600;
}

.nav-item.active > a .arrow {
  opacity: .75;
  transform: translateX(0);
  color: var(--gold);
}

.sidebar__footer {
  flex: 0 0 auto;
  padding: 16px 2px 4px;
  border-top: 1px solid rgba(160,210,255,.1);
}

.login-access {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 14px;
  background: linear-gradient(135deg, var(--accent), #38A4D8);
  color: var(--dark-btn-text);
  font-weight: 700;
  font-size: 15px;
  box-shadow: var(--shadow-cta);
  transition: filter .2s ease, transform .2s ease, box-shadow .2s ease;
}

.login-access:hover {
  filter: brightness(1.08);
  color: var(--dark-btn-text);
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(78,200,245,.45), 0 20px 48px -12px rgba(78,200,245,.6);
}

.login-access:active {
  transform: translateY(1px);
  box-shadow: 0 0 0 1px rgba(78,200,245,.25), 0 8px 20px -10px rgba(78,200,245,.5);
}

.app-main {
  margin-left: 236px;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

.section {
  padding: 88px 0;
  position: relative;
}

.section-tight {
  padding-top: 56px;
  padding-bottom: 64px;
}

.page-hero {
  position: relative;
  min-height: 430px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 88px 0 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 72% 24%, rgba(78,200,245,.12), transparent 42%),
    radial-gradient(circle at 22% 80%, rgba(217,175,126,.07), transparent 34%),
    linear-gradient(90deg, rgba(8,16,30,.94) 0%, rgba(8,16,30,.78) 52%, rgba(8,16,30,.55) 100%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.category-hero .container {
  max-width: 1000px;
  margin-left: 0;
  margin-right: auto;
}

.crumb-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 26px;
}

.crumb-line a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.crumb-line a:hover {
  color: var(--ink);
  border-color: var(--accent);
}

.crumb-line .sep {
  color: rgba(160,210,255,.35);
}

.page-hero h1 {
  font-size: clamp(36px, 4.6vw, 54px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -.03em;
  max-width: 820px;
  margin: 0;
  color: var(--ink);
}

.page-hero h1 .hero-accent {
  background: linear-gradient(120deg, var(--accent-light), var(--accent) 58%, var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 720px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: 22px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 26px;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(217,175,126,.1);
  border: 1px solid rgba(217,175,126,.24);
  color: var(--gold);
  font-size: 13px;
  letter-spacing: .02em;
}

.hero-chip .chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(52,211,153,.12);
}

.hero-hint {
  font-size: 13px;
  color: var(--muted);
}

.back-home-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 30px;
  padding: 8px 0;
  color: var(--muted);
  font-size: 15px;
  border-bottom: 1px solid rgba(160,210,255,.2);
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}

.back-home-link:hover {
  color: var(--ink);
  border-color: var(--accent);
  transform: translateX(-2px);
}

.sec-head {
  max-width: 840px;
  margin-bottom: 44px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: .06em;
  margin-bottom: 12px;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(28px, 3.3vw, 38px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}

.sec-desc {
  max-width: 780px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.explain-section {
  background:
    radial-gradient(circle at 90% 10%, rgba(217,175,126,.05), transparent 30%),
    var(--bg);
}

.explain-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: center;
}

.explain-copy .section-title {
  margin-bottom: 22px;
}

.explain-copy p {
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 18px;
}

.check-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.check-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 15px;
}

.check-points .check-icon {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(78,200,245,.12);
  border: 1px solid rgba(78,200,245,.3);
  color: var(--accent);
  font-size: 13px;
}

.explain-media {
  position: relative;
}

.explain-media .media-frame {
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  background: var(--bg-elev);
}

.explain-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.media-caption {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

.media-caption::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--gold);
}

.cards-section {
  background: linear-gradient(180deg, rgba(12,21,36,.32), transparent);
  padding: 92px 0;
}

.cards-section .sec-desc {
  margin-bottom: 0;
}

.safe-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
  margin-top: 52px;
}

.safe-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.02));
  border: 1px solid var(--line);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

@supports not (backdrop-filter: blur(1px)) {
  .safe-card {
    background: rgba(13,20,34,.96);
  }
}

.safe-card:hover {
  transform: translateY(-6px);
  border-color: rgba(160,210,255,.36);
  box-shadow: 0 1px 0 rgba(255,255,255,.06) inset, 0 30px 60px -24px rgba(0,0,0,.72);
}

.safe-card:nth-child(even) {
  margin-top: 34px;
}

.safe-card:nth-child(odd) {
  margin-bottom: 8px;
}

.card-media {
  overflow: hidden;
  border-bottom: 1px solid rgba(160,210,255,.08);
}

.card-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .4s ease;
}

.safe-card:hover .card-media img {
  transform: scale(1.035);
}

.safe-card__body {
  padding: 26px 26px 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 8px;
  border-radius: 999px;
  background: rgba(78,200,245,.08);
  border: 1px solid rgba(78,200,245,.2);
  color: var(--accent-light);
  font-size: 13px;
  letter-spacing: .02em;
}

.card-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(78,200,245,.1);
}

.safe-card h3 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--ink);
  margin-top: 16px;
  letter-spacing: -.01em;
}

.safe-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  margin-top: 14px;
  flex: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  color: var(--accent-light);
  font-size: 14px;
  width: fit-content;
  border-bottom: 1px solid transparent;
  transition: gap .2s ease, color .2s ease, border-color .2s ease;
}

.card-link:hover {
  color: var(--ink);
  border-color: rgba(78,200,245,.55);
  gap: 10px;
}

.card-link .arrow {
  color: var(--gold);
}

.scene-section {
  background: var(--bg);
}

.scene-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 38px;
  flex-wrap: wrap;
}

.scene-header-row .sec-head {
  margin-bottom: 0;
  max-width: 700px;
}

.scene-summary {
  max-width: 300px;
  color: var(--muted);
  font-size: 15px;
}

.scene-list {
  border-top: 1px solid var(--line-soft);
}

.scene-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 34px;
  gap: 18px 28px;
  align-items: center;
  padding: 32px 6px;
  border-bottom: 1px solid var(--line-soft);
  transition: background .25s ease;
}

.scene-item:hover {
  background: rgba(78,200,245,.02);
}

.scene-number {
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--gold);
  font-weight: 600;
}

.scene-content h3 {
  font-size: 19px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.scene-content p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 820px;
}

.scene-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(160,210,255,.2);
  color: var(--muted);
  font-size: 17px;
  transition: border-color .25s ease, color .25s ease, transform .25s ease;
}

.scene-item:hover .scene-arrow {
  border-color: rgba(78,200,245,.5);
  color: var(--accent);
  transform: translateX(4px);
}

.faq-section {
  background:
    radial-gradient(circle at 92% 26%, rgba(78,200,245,.07), transparent 30%),
    var(--bg-elev);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.faq-section .section-title {
  margin-bottom: 18px;
}

.faq-wrap {
  max-width: 940px;
}

.category-faq-accordion {
  margin-top: 36px;
}

ul.accordion.category-faq-accordion {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
}

.category-faq-accordion .accordion-item {
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  transition: background .25s ease;
}

.category-faq-accordion .accordion-item:last-child {
  border-bottom: 0;
}

.category-faq-accordion .accordion-title {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 22px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  position: relative;
  min-height: 68px;
}

.category-faq-accordion .accordion-title:hover,
.category-faq-accordion .is-active > .accordion-title {
  background: rgba(78,200,245,.04);
  color: var(--ink);
}

.category-faq-accordion .accordion-title::before {
  content: "";
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(217,175,126,.1);
  border: 1px solid rgba(217,175,126,.38);
  color: var(--gold);
  border-radius: 8px;
  line-height: 1;
  font-size: 20px;
  transition: transform .25s ease, background .25s ease, color .25s ease;
}

.accordion-item:not(.is-active) > .accordion-title::before {
  content: "+";
}

.accordion-item.is-active > .accordion-title::before {
  content: "+";
  transform: rotate(45deg);
}

.category-faq-accordion .accordion-title::after {
  content: none;
}

.accordion-content.category-faq-content {
  padding: 0 24px 24px 50px;
  background: transparent;
  border: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.accordion-content.category-faq-content p {
  color: var(--muted);
  line-height: 1.9;
}

.cta-section {
  padding: 88px 0;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px 48px;
  align-items: center;
  padding: clamp(28px, 4vw, 52px);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(78,200,245,.08), rgba(255,255,255,.02));
  border: 1px solid rgba(160,210,255,.22);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  box-shadow: var(--shadow-card);
}

.cta-panel h2 {
  font-size: clamp(24px, 2.6vw, 33px);
  line-height: 1.35;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: -.015em;
}

.cta-panel p {
  color: var(--muted);
  font-size: 16px;
  max-width: 620px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  transition: background .25s ease, border-color .25s ease, color .25s ease, transform .2s ease, box-shadow .25s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #38A4D8);
  color: var(--dark-btn-text);
  box-shadow: var(--shadow-cta);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #6ad7fb, #38A4D8);
  color: var(--dark-btn-text);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(78,200,245,.48), 0 20px 48px -12px rgba(78,200,245,.6);
}

.btn-ghost {
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,.02);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: rgba(78,200,245,.65);
  background: rgba(78,200,245,.08);
  color: var(--ink);
  transform: translateY(-2px);
}

.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(160,210,255,.09);
  position: relative;
  z-index: 1;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .8fr) minmax(0, .9fr);
  gap: 32px 48px;
  padding: 56px clamp(20px, 4vw, 48px) 40px;
  max-width: 1180px;
  margin-inline: auto;
}

.footer-brand {
  color: var(--ink);
}

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

.footer-brand p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  margin-top: 14px;
  max-width: 320px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link-title {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .08em;
  margin-bottom: 4px;
}

.footer-links a {
  color: var(--muted);
  font-size: 14px;
  width: fit-content;
  transition: color .2s ease;
}

.footer-links a:hover {
  color: var(--ink);
}

.footer-safe {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.footer-safe .footer-link-title {
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(160,210,255,.08);
  padding: 20px clamp(20px, 4vw, 48px);
  max-width: 1180px;
  margin-inline: auto;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 16px;
}

.footer-bottom span {
  color: rgba(155,178,199,.85);
}

@media (max-width: 1023px) {
  .sidebar {
    width: min(82vw, 300px);
    transform: translateX(-108%);
    transition: transform .35s cubic-bezier(.2,.75,.25,1);
    padding-top: 76px;
    padding-bottom: 18px;
    box-shadow: 24px 0 60px rgba(0,0,0,.4);
  }

  .nav-toggle:checked ~ .page-wrap .sidebar {
    transform: translateX(0);
  }

  .nav-toggle:checked ~ .drawer-backdrop {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .mobile-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 41;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 18px;
    background: rgba(8,16,30,.9);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    backdrop-filter: blur(16px) saturate(150%);
    border-bottom: 1px solid rgba(160,210,255,.1);
  }

  .mobile-topbar .topbar-logo {
    font-size: 19px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -.02em;
    line-height: 1.2;
  }

  .drawer-toggle {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.04);
    cursor: pointer;
    transition: border-color .2s ease, background .2s ease;
  }

  .drawer-toggle:hover {
    border-color: rgba(78,200,245,.55);
    background: rgba(78,200,245,.07);
  }

  .drawer-toggle .burger {
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--muted);
    position: relative;
  }

  .drawer-toggle .burger::before,
  .drawer-toggle .burger::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--muted);
  }

  .drawer-toggle .burger::before {
    top: -6px;
  }

  .drawer-toggle .burger::after {
    top: 6px;
  }

  .drawer-backdrop {
    display: block;
  }

  .app-main {
    margin-left: 0;
    padding-top: 64px;
  }

  .sidebar__brand {
    height: 64px;
  }

  .section {
    padding: 64px 0;
  }

  .cards-section {
    padding: 68px 0;
  }

  .page-hero {
    padding-top: 76px;
    padding-bottom: 56px;
    min-height: 420px;
  }

  .explain-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .explain-media {
    max-width: 640px;
  }

  .scene-header-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .scene-summary {
    max-width: 100%;
  }

  .cta-panel {
    grid-template-columns: 1fr;
    gap: 26px;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 52px 0;
  }

  .section-title {
    font-size: 27px;
  }

  .page-hero {
    min-height: 0;
    padding-top: 68px;
    padding-bottom: 48px;
  }

  .page-hero h1 {
    font-size: 33px;
    line-height: 1.3;
  }

  .hero-lead {
    font-size: 16px;
  }

  .safe-cards {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 36px;
  }

  .safe-card:nth-child(even),
  .safe-card:nth-child(odd) {
    margin-top: 0;
    margin-bottom: 0;
  }

  .card-media img {
    aspect-ratio: 16 / 10;
  }

  .safe-card__body {
    padding: 22px 20px 24px;
  }

  .scene-item {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 8px 14px;
    padding: 24px 4px;
  }

  .scene-arrow {
    display: none;
  }

  .scene-number {
    font-size: 13px;
  }

  .scene-content h3 {
    font-size: 17px;
  }

  .category-faq-accordion .accordion-title {
    padding: 18px 16px;
    font-size: 16px;
  }

  .accordion-content.category-faq-content {
    padding: 0 18px 20px 42px;
  }

  .cta-section {
    padding: 52px 0;
  }

  .cta-panel {
    padding: 26px 22px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 46px 24px 34px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-inline: 20px;
  }

  .page-hero h1 {
    font-size: 29px;
  }

  .hero-meta {
    align-items: flex-start;
    gap: 8px;
    flex-direction: column;
  }

  .hero-chip {
    font-size: 12px;
  }

  .safe-card h3 {
    font-size: 20px;
  }
}

.accordion-content {
      display: block !important;
    }

/* roulang page: category2 */
:root{
  --bg:#08101E;
  --bg-2:#0C1524;
  --nav-bg:#0A111F;
  --glass-1:rgba(255,255,255,0.05);
  --glass-2:rgba(255,255,255,0.02);
  --line:rgba(160,210,255,0.16);
  --line-soft:rgba(160,210,255,0.08);
  --primary:#4EC8F5;
  --primary-light:#8FE6FF;
  --gold:#D9AF7E;
  --text:#EAF5FF;
  --muted:#9BB2C7;
  --success:#34D399;
  --btn-text:#062033;
  --radius:20px;
  --radius-sm:14px;
  --sidebar-w:236px;
  --shadow-card:0 1px 0 rgba(255,255,255,0.05) inset, 0 18px 40px -20px rgba(0,0,0,0.6);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, opacity .2s ease, transform .2s ease}
ul{list-style:none}
button,input{font-family:inherit}
a:focus-visible,button:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:6px;
}

.app-shell{display:flex;min-height:100vh;align-items:flex-start}
.main-area{flex:1;margin-left:var(--sidebar-w);min-width:0;display:flex;flex-direction:column}
.container{width:100%;max-width:1120px;margin-left:auto;margin-right:auto;padding-left:32px;padding-right:32px}

/* ---------- Sidebar ---------- */
.sidebar{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--sidebar-w);
  height:100vh;
  background:var(--nav-bg);
  border-right:1px solid var(--line-soft);
  display:flex;
  flex-direction:column;
  z-index:50;
  padding:0 18px 20px;
  background-image:radial-gradient(circle at 20% 10%,rgba(78,200,245,0.06) 0,transparent 30%);
}
.sidebar__brand{
  height:72px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 6px;
  border-bottom:1px solid var(--line-soft);
}
.brand-mark{
  width:28px;height:28px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,#fff,var(--primary) 48%,#256B8C);
  box-shadow:0 0 18px rgba(78,200,245,0.35);
  flex:none;
  position:relative;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:50%;
  box-shadow:inset 0 0 0 3px rgba(255,255,255,0.45);
}
.sidebar__brand-text{
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
  color:var(--text);
}
.sidebar__nav{margin-top:20px;flex:1}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-item{position:relative}
.nav-item a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 12px 10px 14px;
  font-size:15px;
  color:#B7C8DA;
  border-left:3px solid transparent;
  border-radius:0 10px 10px 0;
  transition:all .2s ease;
}
.nav-item a .arrow{opacity:0;transform:translateX(-6px);font-size:14px;transition:all .2s ease}
.nav-item a:hover{background:rgba(78,200,245,0.08);color:var(--text)}
.nav-item.active a{
  background:rgba(78,200,245,0.14);
  border-left-color:var(--primary);
  color:#fff;
  font-weight:600;
}
.nav-item.active .arrow{opacity:1;transform:translateX(0)}
.sidebar__action{padding:18px 0 4px;border-top:1px solid var(--line-soft)}
.btn-side{
  height:44px;
  width:100%;
  border-radius:999px;
  border:1px solid rgba(78,200,245,0.4);
  background:linear-gradient(135deg,rgba(78,200,245,0.2),rgba(56,164,216,0.08));
  color:var(--primary-light);
  font-size:14px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  cursor:pointer;
  transition:all .2s ease;
}
.btn-side:hover{background:linear-gradient(135deg,rgba(78,200,245,0.34),rgba(56,164,216,0.14));box-shadow:0 0 24px rgba(78,200,245,0.22)}
.btn-side:active{transform:scale(.98)}

/* ---------- Mobile top / drawer ---------- */
.mobile-topbar{display:none}
.mobile-topbar{
  position:fixed;
  top:0;left:0;right:0;
  height:64px;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
  background:rgba(8,16,30,0.88);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(160,210,255,0.12);
  z-index:70;
}
.mobile-brand{
  font-size:16px;
  font-weight:700;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:9px;
}
.mobile-brand .brand-mark{width:24px;height:24px}
.menu-toggle{
  border:0;
  background:rgba(255,255,255,0.06);
  width:42px;height:42px;
  border-radius:12px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.menu-toggle span{
  display:block;
  width:17px;height:2px;
  background:var(--text);
  border-radius:2px;
}
.drawer-overlay{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.56);
  z-index:80;
}
.drawer{
  position:fixed;
  left:0;top:0;bottom:0;
  width:280px;
  max-width:calc(100vw - 44px);
  background:#0A111F;
  border-right:1px solid var(--line);
  z-index:90;
  transform:translateX(-105%);
  transition:transform .3s ease;
  padding:18px 18px 24px;
  display:flex;
  flex-direction:column;
}
.drawer.menu-open{transform:translateX(0)}
body.menu-open .drawer-overlay{display:block}
.drawer__brand{height:56px;border-bottom:1px solid var(--line-soft);display:flex;align-items:center;padding-left:6px}
.drawer__nav{margin-top:18px;flex:1}
.drawer__nav .nav-item a{font-size:15px;justify-content:space-between}
.drawer__cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--primary),#38A4D8);
  color:var(--btn-text);
  font-weight:700;
  font-size:15px;
  box-shadow:0 0 0 1px rgba(78,200,245,0.35),0 14px 40px -12px rgba(78,200,245,0.55);
  margin-top:18px;
}
.drawer__cta:hover{filter:brightness(1.1);color:#04121E}

/* ---------- Buttons ---------- */
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  color:#062033;
  background:linear-gradient(135deg,#4EC8F5,#38A4D8);
  border:0;
  box-shadow:0 0 0 1px rgba(78,200,245,0.35),0 14px 40px -12px rgba(78,200,245,0.55);
  cursor:pointer;
  transition:filter .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(78,200,245,0.55),0 16px 48px -12px rgba(78,200,245,0.75);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(78,200,245,0.4),0 10px 28px -12px rgba(78,200,245,0.5)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  background:transparent;
  border:1px solid rgba(160,210,255,0.28);
  cursor:pointer;
  transition:all .2s ease;
}
.btn-ghost:hover{background:rgba(78,200,245,0.08);border-color:rgba(160,210,255,0.48);color:#fff}

/* ---------- Glass card ---------- */
.glass-card{
  border-radius:var(--radius);
  border:1px solid rgba(160,210,255,0.16);
  box-shadow:var(--shadow-card);
  background:rgba(13,20,34,0.96);
  overflow:hidden;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
@supports ((-webkit-backdrop-filter:blur(14px)) or (backdrop-filter:blur(14px))){
  .glass-card{
    background:linear-gradient(145deg,rgba(255,255,255,0.055),rgba(255,255,255,0.02));
    -webkit-backdrop-filter:blur(14px) saturate(150%);
    backdrop-filter:blur(14px) saturate(150%);
  }
}
.glass-card:hover{
  transform:translateY(-6px);
  border-color:rgba(160,210,255,0.34);
  box-shadow:0 1px 0 rgba(255,255,255,0.08) inset,0 30px 60px -24px rgba(0,0,0,0.7);
}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:104px 0 76px;
  background:var(--bg);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:0.34;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 72% 26%,rgba(78,200,245,0.18),transparent 42%),
             radial-gradient(circle at 16% 82%,rgba(217,175,126,0.1),transparent 34%);
}
.cat-hero .container{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--primary-light);
  font-size:13px;
  letter-spacing:.04em;
  background:rgba(78,200,245,0.1);
  border:1px solid rgba(78,200,245,0.16);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:20px;
}
.eyebrow-dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 14px var(--primary);
}
.cat-hero h1{
  font-size:48px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-0.01em;
  max-width:760px;
}
.hero-desc{
  margin-top:24px;
  font-size:17px;
  line-height:1.8;
  color:var(--muted);
  max-width:640px;
}
.hero-actions{margin-top:28px}
.hero-status{
  margin-top:26px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:#8FA3B7;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--line-soft);
  border-radius:999px;
  padding:7px 15px;
}
.live-dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 4px rgba(52,211,153,0.12);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary-light);
  font-weight:600;
  font-size:15px;
}
.link-arrow:hover{color:#fff;gap:12px}
.link-arrow .arr{transition:transform .2s ease}

/* ---------- sections ---------- */
.cat-section{
  position:relative;
  padding:92px 0;
  background:var(--bg);
}
.cat-section.bg-deeper{background:var(--bg-2)}
.cat-section .section-head{
  max-width:720px;
  margin-bottom:44px;
}
.section-eyebrow{
  color:var(--gold);
  font-size:13px;
  letter-spacing:.08em;
  display:block;
  margin-bottom:12px;
  font-weight:600;
}
.section-head h2{
  font-size:34px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-0.01em;
}
.section-head p{
  margin-top:16px;
  color:var(--muted);
  line-height:1.8;
}

/* ---------- intro split ---------- */
.split-intro{
  display:grid;
  grid-template-columns:1.04fr 0.96fr;
  gap:58px;
  align-items:center;
}
.intro-copy p.lead{
  color:var(--muted);
  line-height:1.9;
  margin-top:14px;
}
.intro-points{
  margin-top:28px;
  display:grid;
  gap:18px;
}
.intro-point{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:rgba(255,255,255,0.025);
  border:1px solid rgba(160,210,255,0.1);
  border-radius:16px;
  padding:16px 18px;
  transition:all .22s ease;
}
.intro-point:hover{background:rgba(78,200,245,0.05);transform:translateX(4px);border-color:rgba(78,200,245,0.2)}
.intro-point__num{
  font-size:14px;
  color:var(--gold);
  font-weight:700;
  min-width:42px;
  height:42px;
  border:1px solid rgba(217,175,126,0.3);
  background:rgba(217,175,126,0.06);
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:none;
}
.intro-point h3{font-size:16px;font-weight:700;margin-bottom:4px}
.intro-point p{font-size:14px;color:var(--muted);line-height:1.75}
.intro-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:22px;
  border:1px solid rgba(160,210,255,0.14);
  box-shadow:var(--shadow-card);
}

/* ---------- offset card grid ---------- */
.offset-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px 28px;
  align-items:start;
}
.offset-col{display:grid;gap:28px;align-content:start}
.offset-col--shift{margin-top:38px}
.safety-card{display:flex;flex-direction:column}
.card-media{position:relative;overflow:hidden}
.card-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .45s ease;
}
.safety-card:hover .card-media img{transform:scale(1.03)}
.card-img-tag{
  position:absolute;
  left:14px;top:14px;
  color:#DDF4FF;
  background:rgba(8,16,30,0.72);
  border:1px solid rgba(160,210,255,0.2);
  border-radius:999px;
  padding:3px 12px;
  font-size:12px;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.card-img-tag.gold{color:#F2D9B6;border-color:rgba(217,175,126,0.4)}
.safety-card__body{padding:24px 25px 26px;display:flex;flex-direction:column;flex:1}
.safety-card__body h3{font-size:21px;line-height:1.4;margin-bottom:10px}
.safety-card__body p{font-size:14.5px;color:var(--muted);line-height:1.75;flex:1}
.card-link{
  display:inline-flex;
  align-items:center;
  color:var(--primary-light);
  font-size:14px;
  font-weight:600;
  margin-top:18px;
  gap:8px;
}
.card-link:hover{gap:12px;color:#fff}

/* ---------- vertical index list ---------- */
.index-panel{
  display:grid;
  gap:14px;
  margin-top:50px;
}
.index-item a{
  display:flex;
  align-items:center;
  gap:20px;
  padding:22px 24px;
  background:rgba(255,255,255,0.028);
  border:1px solid rgba(160,210,255,0.12);
  border-radius:16px;
  transition:all .22s ease;
}
.index-item a:hover{
  background:rgba(78,200,245,0.07);
  border-color:rgba(78,200,245,0.25);
  transform:translateX(6px);
}
.index-item__main{flex:1;min-width:0}
.index-item__main strong{display:block;font-size:17px;font-weight:600}
.index-item__main span{
  font-size:13px;
  color:var(--muted);
  display:block;
  margin-top:3px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.index-item__meta{
  color:var(--primary-light);
  font-size:13px;
  display:flex;
  align-items:center;
  gap:8px;
  flex:none;
}

/* ---------- process steps ---------- */
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:46px;
}
.process-step{
  position:relative;
  padding:28px 22px 22px 22px;
  border-radius:18px;
  background:rgba(255,255,255,0.025);
  border:1px solid rgba(160,210,255,0.1);
  border-top:2px solid rgba(217,175,126,0.5);
  transition:all .22s ease;
}
.process-step:hover{
  background:rgba(78,200,245,0.06);
  border-color:rgba(78,200,245,0.22);
  border-top-color:var(--gold);
  transform:translateY(-4px);
}
.process-step__num{
  font-size:15px;
  font-weight:700;
  color:var(--gold);
  letter-spacing:.08em;
  display:block;
  margin-bottom:14px;
}
.process-step h3{font-size:16px;font-weight:700;margin-bottom:8px}
.process-step p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{
  max-width:840px;
  margin-top:12px;
}
.accordion.faq-list{
  background:transparent;
  border:0;
  border-radius:0;
  outline:0;
}
.faq-list .accordion-item{
  background:rgba(255,255,255,0.025);
  border:1px solid rgba(160,210,255,0.12);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:all .2s ease;
}
.faq-list .accordion-item:hover{border-color:rgba(160,210,255,0.28)}
.faq-list .accordion-item.is-active{
  border-color:rgba(78,200,245,0.3);
  background:rgba(78,200,245,0.04);
}
.faq-list .accordion-title{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  background:transparent;
  border:0;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  border-radius:0;
}
.qa-icon{
  width:32px;
  height:32px;
  flex:none;
  border-radius:10px;
  background:rgba(217,175,126,0.12);
  border:1px solid rgba(217,175,126,0.26);
  color:var(--gold);
  font-size:20px;
  font-weight:400;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .25s ease,background .2s ease;
  line-height:1;
}
.accordion-item.is-active .qa-icon{transform:rotate(45deg);background:rgba(217,175,126,0.22)}
.faq-list .accordion-content{
  padding:0 22px 22px 66px;
  border:0;
  background:transparent;
  color:var(--muted);
  line-height:1.8;
  font-size:15px;
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(160,210,255,0.16);
  box-shadow:var(--shadow-card);
  padding:46px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 18% 15%,rgba(78,200,245,0.15),transparent 34%),radial-gradient(circle at 86% 80%,rgba(217,175,126,0.09),transparent 38%);
  pointer-events:none;
}
.cta-panel h2{
  font-size:26px;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-panel p{color:var(--muted);font-size:15px}
.cta-body,.cta-action{position:relative;z-index:1}
.cta-action{display:flex;gap:14px;flex-wrap:wrap;flex:none}

/* ---------- Footer ---------- */
.site-footer{
  background:#060C16;
  border-top:1px solid rgba(160,210,255,0.08);
  padding:54px 0 30px;
}
.footer-layout{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr;
  gap:40px;
}
.footer-brand .footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:18px;
  color:var(--text);
}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:12px;line-height:1.8}
.footer-brand .brand-mark{width:26px;height:26px}
.footer-nav h4{
  font-size:14px;
  letter-spacing:.05em;
  color:#C7D9E8;
  margin-bottom:14px;
}
.footer-nav li{margin-bottom:8px}
.footer-nav a{color:var(--muted);font-size:14px}
.footer-nav a:hover{color:var(--primary-light)}
.footer-bottom{
  border-top:1px solid rgba(160,210,255,0.08);
  margin-top:44px;
  padding-top:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:#668096;
  font-size:13px;
}
.footer-bottom .team{color:#849BB1}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .sidebar{display:none}
  .mobile-topbar{display:flex}
  .main-area{margin-left:0;padding-top:64px}
  .cat-hero{padding:64px 0 60px}
  .cat-section{padding:68px 0}
  .split-intro{grid-template-columns:1fr;gap:34px;align-items:start}
  .intro-media img{aspect-ratio:16/9}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:36px 30px;gap:24px}
  .footer-layout{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px}
  .cat-hero h1{font-size:34px;line-height:1.3}
  .hero-desc{font-size:15px}
  .section-head h2{font-size:26px}
  .offset-grid{grid-template-columns:1fr;gap:26px}
  .offset-col--shift{margin-top:0}
  .safety-card__body{padding:21px 19px 23px}
  .process-grid{grid-template-columns:1fr}
  .footer-layout{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;justify-content:flex-start;align-items:flex-start}
  .index-item a{gap:12px;padding:18px 16px}
  .index-item__meta{display:none}
  .cta-panel{padding:30px 22px}
}
@media (max-width:520px){
  .cat-hero h1{font-size:30px}
  .hero-status{font-size:12px}
  .btn-ghost,.btn-primary{width:100%}
  .cta-action{width:100%}
}

/* roulang page: category3 */
:root{
  --bg-night:#08101E;
  --bg-panel:#0A111F;
  --bg-content:#0C1524;
  --ink:#EAF5FF;
  --muted:#9BB2C7;
  --cyan:#4EC8F5;
  --cyan-light:#8FE6FF;
  --gold:#D9AF7E;
  --green:#34D399;
  --line:rgba(160,210,255,0.16);
  --line-soft:rgba(160,210,255,0.10);
  --rad-lg:22px;
  --rad-md:18px;
  --rad-sm:14px;
  --shadow-card:0 1px 0 rgba(255,255,255,0.05) inset,0 18px 40px -20px rgba(0,0,0,0.6);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg-night);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{
  color:inherit;
  text-decoration:none;
  transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
button,input{font:inherit}
ul,ol{list-style:none}
a:focus-visible,button:focus-visible{
  outline:2px solid var(--cyan-light);
  outline-offset:3px;
  border-radius:8px;
}
.skip-link{
  position:fixed;
  top:-60px;
  left:20px;
  z-index:3000;
  background:var(--cyan);
  color:#062033;
  font-weight:700;
  padding:10px 18px;
  border-radius:0 0 14px 14px;
  transition:top .2s;
}
.skip-link:focus{top:0}

/* ========== App Shell ========== */
.desktop-sidebar{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:236px;
  z-index:200;
  background:var(--bg-panel);
  border-right:1px solid var(--line-soft);
  display:flex;
  flex-direction:column;
}
.sidebar-inner{
  display:flex;
  flex-direction:column;
  height:100%;
}
.sidebar-brand{
  height:90px;
  display:flex;
  align-items:center;
  padding:0 18px;
  border-bottom:1px solid var(--line-soft);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  line-height:1.25;
}
.brand-symbol{
  width:36px;
  height:36px;
  flex:0 0 36px;
  display:grid;
  place-items:center;
  border-radius:13px;
  background:linear-gradient(145deg,#8FE6FF,#4EC8F5 58%,#1E90C4);
  box-shadow:0 0 0 1px rgba(78,200,245,.35),0 10px 28px -10px rgba(78,200,245,.7);
  color:#062033;
  font-weight:800;
  font-size:20px;
}
.brand-text{
  display:flex;
  flex-direction:column;
  gap:1px;
}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
  color:var(--ink);
}
.brand-tag{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.08em;
  font-weight:400;
  line-height:1.3;
}
.sidebar-nav{
  flex:1;
  padding:18px 0;
  overflow-y:auto;
}
.nav-label{
  font-size:12px;
  color:#62758C;
  text-transform:uppercase;
  letter-spacing:.14em;
  padding:0 24px;
  margin-bottom:10px;
}
.nav-item a{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 18px 12px 24px;
  font-size:15.5px;
  color:#C7D7E8;
  border-left:3px solid transparent;
  transition:background .2s,color .2s,border-color .2s;
}
.nav-item a::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:var(--cyan);
  transform:scaleY(0);
  transition:transform .2s;
}
.nav-item:hover a{
  color:var(--ink);
  background:rgba(78,200,245,.06);
}
.nav-item.active a{
  background:rgba(78,200,245,.14);
  color:#fff;
}
.nav-item.active a::before{
  transform:scaleY(1);
}
.nav-arrow{
  opacity:0;
  transform:translateX(-6px);
  transition:opacity .2s,transform .2s;
  font-size:18px;
  line-height:1;
  color:var(--cyan-light);
}
.nav-item:hover .nav-arrow,
.nav-item.active .nav-arrow{
  opacity:1;
  transform:translateX(0);
}
.sidebar-footer{
  padding:20px 18px 28px;
  border-top:1px solid var(--line-soft);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border:1px solid transparent;
  border-radius:999px;
  padding:0 22px;
  min-height:46px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:filter .2s,box-shadow .2s,transform .2s,background .2s,border-color .2s,color .2s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan-light),var(--cyan) 55%,#38A4D8);
  color:#062033;
  box-shadow:0 0 0 1px rgba(78,200,245,.35),0 14px 40px -12px rgba(78,200,245,.55);
}
.btn-primary:hover{
  filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(143,230,255,.5),0 18px 50px -12px rgba(78,200,245,.7);
}
.btn-primary:active{
  transform:translateY(1px);
  box-shadow:0 0 0 1px rgba(78,200,245,.4),0 10px 28px -14px rgba(78,200,245,.6);
}
.btn-ghost{
  background:rgba(255,255,255,.02);
  border-color:rgba(160,210,255,.28);
  color:var(--ink);
}
.btn-ghost:hover{
  background:rgba(78,200,245,.08);
  border-color:rgba(160,210,255,.6);
}
.btn-arrow{
  display:inline-flex;
  align-items:center;
  justify-content:space-between;
}
.btn-full{width:100%}

/* ========== 移动端顶栏与抽屉 ========== */
.topbar{
  display:none;
}
.drawer-overlay,.mobile-drawer{
  display:none;
}
@media(max-width:1023px){
  .desktop-sidebar{
    display:none;
  }
  .main-content{
    margin-left:0 !important;
  }
  .topbar{
    position:sticky;
    top:0;
    z-index:300;
    height:64px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 16px;
    background:rgba(8,16,30,.88);
    -webkit-backdrop-filter:blur(14px) saturate(170%);
    backdrop-filter:blur(14px) saturate(170%);
    border-bottom:1px solid var(--line-soft);
  }
  .topbar-brand{
    display:flex;
  }
  .topbar-brand .brand-name{
    font-size:16px;
  }
  .burger{
    width:48px;
    height:48px;
    display:grid;
    place-items:center;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line-soft);
    border-radius:14px;
    color:var(--ink);
    cursor:pointer;
  }
  .burger:hover{
    background:rgba(78,200,245,.1);
  }
  .burger-icon{
    position:relative;
    width:18px;
    height:2px;
    background:var(--ink);
    border-radius:99px;
  }
  .burger-icon::before,.burger-icon::after{
    content:"";
    position:absolute;
    left:0;
    width:18px;
    height:2px;
    background:var(--ink);
    border-radius:99px;
  }
  .burger-icon::before{
    top:-6px;
  }
  .burger-icon::after{
    top:6px;
  }
  .mobile-drawer{
    position:fixed;
    top:0;
    left:0;
    bottom:0;
    width:280px;
    z-index:1200;
    display:flex;
    flex-direction:column;
    background:var(--bg-panel);
    border-right:1px solid var(--line);
    transform:translateX(-102%);
    transition:transform .3s ease;
    visibility:hidden;
  }
  .drawer-header,.drawer-nav,.drawer-footer{
    padding-inline:18px;
  }
  .drawer-header{
    height:72px;
    display:flex;
    align-items:center;
    border-bottom:1px solid var(--line-soft);
  }
  .drawer-nav{
    flex:1;
    overflow-y:auto;
    padding-top:14px;
    padding-bottom:24px;
  }
  .drawer-nav .nav-label{
    padding:0 4px;
  }
  .drawer-nav .nav-item a{
    padding-left:8px;
  }
  .drawer-footer{
    padding-block:18px;
    border-top:1px solid var(--line-soft);
  }
  .drawer-overlay{
    position:fixed;
    inset:0;
    z-index:1100;
    background:rgba(0,0,0,.56);
    opacity:0;
    pointer-events:none;
    transition:opacity .3s;
  }
  body.nav-open .mobile-drawer{
    transform:translateX(0);
    visibility:visible;
  }
  body.nav-open .drawer-overlay{
    opacity:1;
    pointer-events:auto;
  }
}
@media(min-width:1024px){
  .topbar,.drawer-overlay,.mobile-drawer{
    display:none;
  }
}

/* ========== 主内容区 ========== */
.main-content{
  margin-left:236px;
  min-height:100vh;
  background:
    radial-gradient(circle at 84% 8%,rgba(78,200,245,.07),transparent 28%),
    radial-gradient(circle at 12% 42%,rgba(217,175,126,.035),transparent 24%),
    var(--bg-content);
}
.content-wrap{
  width:min(1120px,100% - clamp(44px,6vw,88px));
  margin-inline:auto;
}
.panel-section{
  padding:clamp(60px,6.4vw,96px) clamp(18px,5.6vw,72px);
  position:relative;
  border-bottom:1px solid var(--line-soft);
}
.section-head{
  max-width:760px;
  margin-bottom:clamp(28px,3vw,44px);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--gold);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:18px;
  height:1px;
  background:var(--gold);
  opacity:.65;
}
h1,h2,h3{
  line-height:1.3;
  font-weight:600;
  color:var(--ink);
}
.section-head h2{
  font-size:clamp(27px,3vw,34px);
  font-weight:600;
}
.section-head .lead{
  margin-top:14px;
  color:var(--muted);
  max-width:640px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--cyan-light);
  font-size:15px;
  transition:color .2s,gap .2s;
}
.text-link:hover{
  color:#fff;
  gap:10px;
}
.text-link.gold{
  color:var(--gold);
}

/* ========== Hero ========== */
.hero-category{
  position:relative;
  overflow:hidden;
  padding:clamp(64px,7vw,104px) clamp(20px,5.8vw,76px);
  display:flex;
  align-items:center;
  min-height:400px;
  border-bottom:1px solid var(--line-soft);
}
.hero-media{
  position:absolute;
  inset:0;
  z-index:0;
}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:auto;
  opacity:.28;
  filter:saturate(.85) brightness(.8);
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(8,16,30,.96) 0%,rgba(8,16,30,.78) 52%,rgba(8,16,30,.28) 100%),
    radial-gradient(circle at 72% 50%,rgba(78,200,245,.14),transparent 44%);
}
.hero-content{
  position:relative;
  z-index:1;
  width:min(920px,100%);
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 13px;
  background:rgba(217,175,126,.1);
  border:1px solid rgba(217,175,126,.32);
  border-radius:999px;
  color:var(--gold);
  font-size:13px;
  letter-spacing:.04em;
}
.hero-badge::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--gold);
}
.hero-content h1{
  margin-top:18px;
  font-size:clamp(34px,4.6vw,52px);
  font-weight:700;
  letter-spacing:-.015em;
  line-height:1.18;
}
.hero-summary{
  margin-top:28px;
  color:#CDDCEB;
  font-size:17px;
  max-width:620px;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:22px;
  margin-top:32px;
  flex-wrap:wrap;
}

/* ========== 分类简介 ========== */
.split-block{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(280px,.8fr);
  gap:clamp(32px,4.5vw,68px);
  align-items:center;
}
.split-copy p{
  color:#C1D1E2;
  margin-bottom:18px;
}
.bullet-list{
  display:grid;
  gap:12px;
  margin-top:24px;
}
.bullet-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 14px;
  background:rgba(255,255,255,.025);
  border:1px solid var(--line-soft);
  border-radius:16px;
}
.bullet-list li::before{
  content:"✓";
  flex:0 0 22px;
  width:22px;
  height:22px;
  display:grid;
  place-items:center;
  margin-top:4px;
  background:rgba(52,211,153,.14);
  border-radius:50%;
  border:1px solid rgba(52,211,153,.36);
  color:var(--green);
  font-size:12px;
  font-weight:700;
}
.split-media{
  position:relative;
}
.split-media .img-frame{
  aspect-ratio:4/4.6;
  border-radius:26px;
  border:1px solid var(--line);
  box-shadow:0 24px 70px -30px rgba(0,0,0,.86);
  overflow:hidden;
  background:rgba(255,255,255,.03);
}
.split-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.split-media:hover img{
  transform:scale(1.03);
}
.split-media .media-note{
  position:absolute;
  left:14px;
  bottom:14px;
  right:14px;
  padding:12px 16px;
  background:rgba(8,16,30,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(160,210,255,.18);
  border-radius:16px;
  color:#D7E5F3;
  font-size:13px;
}

/* ========== 静态内容卡片 ========== */
.feature-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  align-items:start;
}
.feature-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--rad-lg);
  background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.feature-card:hover{
  transform:translateY(-6px);
  border-color:rgba(160,210,255,.35);
  box-shadow:0 1px 0 rgba(255,255,255,.08) inset,0 26px 58px -22px rgba(0,0,0,.74);
}
.feature-card + .feature-card{
  margin-top:clamp(20px,3vw,42px);
}
.feature-media{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-night);
}
.feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s;
}
.feature-card:hover .feature-media img{
  transform:scale(1.04);
}
.feature-body{
  padding:26px 26px 24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.badge-row{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:4px 11px;
  border-radius:999px;
  font-size:12.5px;
  color:var(--cyan-light);
  background:rgba(78,200,245,.08);
  border:1px solid rgba(78,200,245,.2);
}
.badge::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cyan);
}
.badge-bronze{
  color:var(--gold);
  background:rgba(217,175,126,.08);
  border-color:rgba(217,175,126,.2);
}
.badge-bronze::before{
  background:var(--gold);
}
.badge-green{
  color:#86F0C0;
  background:rgba(52,211,153,.08);
  border-color:rgba(52,211,153,.2);
}
.badge-green::before{
  background:var(--green);
}
.feature-body h3{
  font-size:21px;
  font-weight:600;
  line-height:1.4;
}
.feature-body p{
  font-size:15.5px;
  color:var(--muted);
  line-height:1.85;
}
.card-more{
  margin-top:6px;
}

/* ========== 步骤 / 条目列表 ========== */
.process-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:32px;
}
.process-item{
  position:relative;
  display:grid;
  grid-template-columns:60px 1fr;
  gap:16px;
  padding:24px 22px;
  background:rgba(255,255,255,.02);
  border:1px solid var(--line-soft);
  border-radius:var(--rad-md);
  transition:background .2s,border-color .2s,transform .2s;
}
.process-item:hover{
  background:rgba(78,200,245,.045);
  border-color:rgba(160,210,255,.28);
  transform:translateY(-3px);
}
.process-num{
  font-size:30px;
  font-weight:700;
  color:var(--gold);
  line-height:1.1;
  letter-spacing:-.02em;
}
.process-item h3{
  font-size:17px;
  margin-bottom:6px;
}
.process-item p{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.8;
}

/* ========== FAQ ========== */
.faq-panel{
  max-width:920px;
}
.accordion{
  background:transparent;
  margin:0;
}
.accordion-item{
  background:rgba(255,255,255,.025);
  border:1px solid var(--line-soft);
  border-radius:20px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.accordion-item:hover{
  border-color:rgba(160,210,255,.3);
}
.faq-question{
  border:none;
  background:transparent;
  padding:22px 22px 22px 24px;
  margin:0;
  border-radius:20px;
  display:flex;
  align-items:center;
  gap:16px;
  line-height:1.6;
  font-size:17px;
  color:var(--ink);
}
.accordion-title{
  background:transparent !important;
  border:none !important;
  color:var(--ink) !important;
  font-size:16.5px !important;
  line-height:1.7 !important;
  padding:20px 24px 20px 24px !important;
  position:relative;
  border-radius:20px;
  display:flex;
  align-items:center;
  left:0;
}
.accordion-title:hover,.accordion-title:focus{
  background:rgba(78,200,245,.05) !important;
}
.accordion-item.is-active > .accordion-title{
  background:rgba(78,200,245,.04) !important;
}
.faq-plus{
  flex:0 0 20px;
  width:20px;
  height:20px;
  display:grid;
  place-items:center;
  font-size:18px;
  color:var(--gold);
  border:1px solid rgba(217,175,126,.4);
  border-radius:7px;
  line-height:1;
  transition:transform .25s;
}
.accordion-title::before{
  display:none;
}
.is-active .faq-plus{
  transform:rotate(45deg);
}
.accordion-content{
  border:none !important;
  background:rgba(8,16,30,.3);
  padding:4px 24px 24px 70px !important;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.9;
}
.accordion-content a{
  color:var(--cyan-light);
  border-bottom:1px solid rgba(78,200,245,.3);
}
.accordion-content a:hover{
  color:#fff;
}

/* ========== CTA ========== */
.cta-band{
  position:relative;
  border-radius:28px;
  background:
    radial-gradient(circle at 16% 30%,rgba(78,200,245,.12),transparent 36%),
    linear-gradient(150deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  padding:clamp(30px,3.4vw,48px);
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1.2fr) auto;
  align-items:center;
  gap:26px;
  margin-top:clamp(16px,3.6vw,36px);
}
.cta-band h2{
  font-size:clamp(23px,2.6vw,29px);
  margin-bottom:10px;
}
.cta-band p{
  color:var(--muted);
  font-size:15px;
  max-width:560px;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

/* ========== 页脚 ========== */
.site-footer{
  background:var(--bg-night);
  border-top:1px solid var(--line-soft);
  padding:clamp(44px,5vw,72px) clamp(18px,5.6vw,76px) 22px;
  margin-left:236px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(220px,1.5fr) minmax(140px,.5fr) minmax(180px,.75fr);
  gap:clamp(28px,3vw,54px);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
}
.footer-brand .brand-name{
  font-size:18px;
  color:var(--ink);
}
.footer-tagline{
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
  max-width:300px;
  margin-top:16px;
  margin-bottom:10px;
}
.footer-sec-title{
  font-size:13px;
  color:#7088A0;
  letter-spacing:.1em;
  text-transform:uppercase;
  margin-bottom:16px;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  color:var(--muted);
  font-size:14.5px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  transition:color .2s;
}
.footer-links a:hover{
  color:var(--cyan-light);
  transform:translateX(3px);
}
.footer-note{
  color:#667E96;
  font-size:13px;
  line-height:1.8;
}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  margin-top:44px;
  padding-top:18px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:#667E96;
  font-size:13px;
}

/* ========== 响应式 ========== */
@media(max-width:1023px){
  .site-footer{
    margin-left:0;
  }
  .hero-content h1{
    font-size:clamp(30px,7vw,42px);
  }
  .split-block{
    grid-template-columns:1fr;
  }
  .split-media{
    order:2;
  }
  .split-media .img-frame{
    aspect-ratio:4/4.2;
    max-width:620px;
    margin-inline:auto;
  }
  .split-copy{
    order:1;
  }
  .cta-band{
    grid-template-columns:1fr;
  }
  .cta-actions{
    justify-content:flex-start;
  }
}
@media(max-width:767px){
  .feature-grid{
    grid-template-columns:1fr;
  }
  .feature-card + .feature-card{
    margin-top:0;
  }
  .process-list{
    grid-template-columns:1fr;
  }
  .process-item{
    grid-template-columns:52px 1fr;
    padding:20px 18px;
  }
  .process-num{
    font-size:25px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:26px;
  }
  .panel-section{
    padding-bottom:56px;
    padding-top:56px;
  }
  .feature-body{
    padding:22px 20px 20px;
  }
  .cta-band{
    padding:26px 20px 28px;
  }
}
@media(max-width:520px){
  .hero-category{
    min-height:0;
    padding-top:56px;
    padding-bottom:48px;
  }
  .hero-content h1{
    font-size:30px;
  }
  .split-media .img-frame{
    aspect-ratio:4/5;
  }
  .accordion-content{
    padding:0 18px 18px 20px !important;
  }
  .faq-question,.accordion-title{
    padding:18px 16px 18px 16px !important;
    font-size:15.5px !important;
  }
  .content-wrap{
    width:min(1120px,100% - 32px);
  }
}

/* roulang page: category4 */
:root {
  --bg: #08101E;
  --bg-content: #0C1524;
  --bg-sidebar: #0A111F;
  --bg-deeper: #060C16;
  --cyan: #4EC8F5;
  --cyan-light: #8FE6FF;
  --cyan-deep: #38A4D8;
  --gold: #D9AF7E;
  --text: #EAF5FF;
  --muted: #9BB2C7;
  --success: #34D399;
  --danger: #F97066;
  --glass-border: rgba(160, 210, 255, 0.16);
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-bg-strong: rgba(13, 20, 34, 0.96);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --sidebar-width: 236px;
  --shadow-card: 0 1px 0 rgba(255,255,255,0.05) inset, 0 18px 40px -20px rgba(0,0,0,0.6);
  --shadow-cyan: 0 0 0 1px rgba(78,200,245,0.35), 0 14px 40px -12px rgba(78,200,245,0.55);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

button, input {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

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

::selection {
  background: rgba(78, 200, 245, 0.25);
  color: #ffffff;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.app-shell {
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-width);
  z-index: 50;
  background:
    radial-gradient(circle at 40% -2%, rgba(78, 200, 245, 0.08), transparent 36%),
    var(--bg-sidebar);
  border-right: 1px solid rgba(160, 210, 255, 0.1);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(14px) saturate(150%);
}

.sidebar::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.24;
  background-image: radial-gradient(rgba(160, 210, 255, 0.1) 1px, transparent 1px);
  background-size: 22px 22px;
}

.sidebar__inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  position: relative;
  z-index: 2;
}

.logo-row {
  display: flex;
  align-items: center;
  height: 76px;
  padding: 0 20px;
  border-bottom: 1px solid rgba(160, 210, 255, 0.08);
  flex-shrink: 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--text);
}

.logo:hover {
  filter: brightness(1.2);
  color: var(--text);
}

.logo__mark {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
}

.logo__text {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 17px;
  white-space: nowrap;
  line-height: 1.2;
  display: block;
  max-width: 132px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__nav {
  padding: 18px 14px;
  overflow-y: auto;
  flex: 1 1 auto;
}

.nav-caption {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(155, 178, 199, 0.7);
  text-transform: uppercase;
  padding: 0 10px 12px;
}

.nav-list li {
  margin-bottom: 4px;
}

.nav-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px 10px 14px;
  color: var(--muted);
  border-radius: 12px;
  border-left: 3px solid transparent;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  transition: all 0.2s ease;
}

.nav-list a .arrow {
  font-size: 13px;
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.2s ease;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--text);
  background: rgba(78, 200, 245, 0.08);
}

.nav-list a:hover .arrow,
.nav-list a:focus-visible .arrow {
  opacity: 1;
  transform: translateX(0);
}

.nav-list .nav-item.active a {
  background: rgba(78, 200, 245, 0.14);
  color: var(--text);
  border-left-color: var(--cyan);
}

.nav-list .nav-item.active a .arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--cyan);
}

.sidebar__foot {
  padding: 14px 16px 20px;
  flex-shrink: 0;
  border-top: 1px solid rgba(160, 210, 255, 0.06);
}

.side-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 46px;
  padding: 10px 16px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
  color: #062033;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: var(--shadow-cyan);
  transition: all 0.25s ease;
  border: 0;
}

.side-cta:hover {
  color: #062033;
  filter: brightness(1.08);
  box-shadow: 0 0 0 1px rgba(78,200,245,0.55), 0 22px 48px -12px rgba(78,200,245,0.7);
  transform: translateY(-1px);
}

.side-cta:active {
  transform: translateY(1px);
  box-shadow: 0 0 0 1px rgba(78,200,245,0.3), 0 10px 24px -16px rgba(78,200,245,0.5);
}

.icon-cta {
  width: 18px;
  height: 18px;
}

.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-content);
  position: relative;
  overflow: hidden;
}

.main-content::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle at 88% -10%, rgba(78,200,245,0.06), transparent 32%);
}

.main-panel {
  position: relative;
  z-index: 1;
}

.mobile-bar {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  padding: 11px 24px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.2s var(--ease);
  cursor: pointer;
}

.btn--primary {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
  color: #062033;
  box-shadow: var(--shadow-cyan);
}

.btn--primary:hover {
  color: #062033;
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(1px);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(160, 210, 255, 0.28);
  color: var(--text);
}

.btn--ghost:hover {
  border-color: var(--cyan);
  background: rgba(78, 200, 245, 0.08);
  color: var(--text);
}

.text-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-weight: 500;
}

.text-button i {
  transition: transform 0.2s ease;
}

.text-button:hover i {
  transform: translateX(4px);
}

.cat-hero {
  position: relative;
  min-height: 370px;
  padding: 76px 60px 64px;
  background:
    linear-gradient(100deg, rgba(8,16,30,0.88) 15%, rgba(8,16,30,0.62) 55%, rgba(8,16,30,0.3) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  border-bottom: 1px solid rgba(160,210,255,0.1);
  overflow: hidden;
}

.cat-hero::after {
  content: "";
  position: absolute;
  right: 8%;
  top: 20%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(78, 200, 245, 0.12);
  filter: blur(48px);
  pointer-events: none;
}

.hero-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 38px;
}

.hero-breadcrumb a {
  color: var(--muted);
}

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

.hero-breadcrumb .sep {
  opacity: 0.6;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(217, 175, 126, 0.1);
}

.cat-hero h1 {
  font-size: clamp(34px, 3.6vw, 50px);
  line-height: 1.2;
  margin: 0 0 20px;
  color: #ffffff;
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 680px;
}

.cat-hero .hero-summary {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(234, 245, 255, 0.85);
  max-width: 640px;
  margin: 0;
}

.hero-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  color: var(--cyan) !important;
  font-size: 14px;
  font-weight: 500;
}

.container {
  width: min(1180px, 100% - 48px);
  margin-inline: auto;
}

.section {
  padding: 88px 56px;
}

.section--tight {
  padding-top: 56px;
}

.section-head {
  margin-bottom: 40px;
  max-width: 820px;
}

.section-head .section-kicker {
  display: inline-block;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.12em;
  font-weight: 500;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(28px, 2.8vw, 38px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 14px;
}

.section-head p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.intro-section {
  background: var(--bg-content);
  border-bottom: 1px solid rgba(160, 210, 255, 0.08);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 72px;
  align-items: center;
}

.intro-copy h2 {
  font-size: clamp(28px, 2.6vw, 38px);
  line-height: 1.3;
  margin: 0 0 22px;
  letter-spacing: -0.02em;
}

.intro-copy p {
  margin: 0 0 18px;
  color: rgba(234, 245, 255, 0.78);
  line-height: 1.9;
}

.intro-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 26px;
}

.intro-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  border: 1px solid transparent;
}

.intro-point .point-num {
  font-family: inherit;
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.3;
  min-width: 32px;
}

.intro-point h3 {
  font-size: 17px;
  margin: 0 0 4px;
}

.intro-point p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.intro-visual {
  position: relative;
}

.intro-visual::before {
  content: "";
  position: absolute;
  inset: 18% -12% auto auto;
  width: 160px;
  height: 160px;
  background: rgba(78,200,245,0.12);
  filter: blur(40px);
  z-index: 0;
}

.intro-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  position: relative;
  z-index: 1;
}

.intro-visual .image-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.image-note::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.download-cards {
  background: linear-gradient(180deg, var(--bg-content), rgba(8,16,30,0.6));
}

.cards-block {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
}

.cat-card {
  background: linear-gradient(145deg, rgba(255,255,255,0.055) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px) saturate(150%);
  transition: transform 0.3s var(--ease), border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.cat-card:nth-child(even) {
  transform: translateY(26px);
}

.cat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(78,200,245,0.34);
  box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, 0 28px 54px -24px rgba(0,0,0,0.65);
}

.cat-card:nth-child(even):hover {
  transform: translateY(22px);
}

.cat-card__cover {
  background: #0A1424;
}

.cat-card__cover img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.cat-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  font-size: 12px;
  color: rgba(234,245,255,0.8);
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(78, 200, 245, 0.08);
  border: 1px solid rgba(78, 200, 245, 0.16);
}

.card-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

.cat-card h3 {
  font-size: 19px;
  line-height: 1.5;
  margin: 0;
}

.cat-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
  flex: 1;
}

.cat-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 500;
}

.cat-card .card-link i {
  font-size: 13px;
  transition: transform 0.2s ease;
}

.cat-card .card-link:hover i {
  transform: translateX(4px);
}

.steps-section {
  background: #0A1422;
  position: relative;
}

.steps-section::before {
  content: "";
  position: absolute;
  left: 55%;
  top: -10%;
  width: 180px;
  height: 180px;
  background: rgba(217,175,126,0.06);
  filter: blur(56px);
  pointer-events: none;
}

.steps-list {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(160, 210, 255, 0.12);
}

.step-line {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 24px 16px;
  border-bottom: 1px solid rgba(160, 210, 255, 0.12);
  transition: background 0.2s ease;
}

.step-line:hover {
  background: rgba(255,255,255,0.02);
}

.step-index {
  font-size: 30px;
  font-weight: 500;
  color: rgba(217, 175, 126, 0.32);
  line-height: 1;
  letter-spacing: -0.04em;
}

.step-content h3 {
  font-size: 18px;
  margin: 0 0 4px;
  color: var(--text);
}

.step-content p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.step-line .status-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}

.status-point {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.14);
}

.faq-section {
  background: var(--bg-content);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 48px;
  align-items: start;
}

.faq-intro .faq-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(78,200,245,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  border: 1px solid rgba(78,200,245,0.18);
  margin-bottom: 24px;
  font-size: 20px;
}

.faq-intro h2 {
  font-size: clamp(26px, 2vw, 32px);
  margin: 0 0 14px;
}

.faq-intro p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 20px;
}

.faq-intro .faq-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--cyan-light);
  font-size: 14px;
}

.faq-accordion .accordion-item {
  background: transparent;
  border-bottom: 1px solid rgba(160, 210, 255, 0.1);
  margin: 0;
}

.faq-accordion .accordion-item:last-child {
  border-bottom: 1px solid rgba(160, 210, 255, 0.16);
}

.faq-accordion .accordion-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  padding: 22px 44px 22px 0;
  display: flex;
  gap: 15px;
  align-items: flex-start;
  background: transparent;
  border: 0;
  position: relative;
  line-height: 1.5;
  transition: color 0.2s ease;
}

.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-title:focus-visible {
  color: var(--cyan-light);
  background: transparent;
}

.faq-accordion .accordion-title::before {
  content: "";
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: rgba(217,175,126,0.12);
  border: 1px solid rgba(217,175,126,0.18);
  position: absolute;
  right: 0;
  top: 20px;
  transition: transform 0.3s var(--ease), background 0.2s ease;
}

.faq-accordion .accordion-title::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 18px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 18px;
  font-weight: 400;
  transition: transform 0.3s var(--ease);
}

.faq-accordion .accordion-item.is-active > .accordion-title::after {
  transform: rotate(45deg);
}

.faq-accordion .accordion-content {
  background: rgba(255,255,255,0.02);
  border: 0;
  border-radius: 14px;
  margin: 0 0 16px;
  padding: 18px 22px;
  color: rgba(234,245,255,0.72);
  font-size: 15px;
  line-height: 1.9;
}

.faq-accordion .accordion-content p {
  margin: 0;
}

.cta-section {
  position: relative;
  background:
    radial-gradient(circle at 12% 20%, rgba(78,200,245,0.12), transparent 32%),
    radial-gradient(circle at 85% 85%, rgba(217,175,126,0.08), transparent 30%),
    var(--bg-deeper);
  border-top: 1px solid rgba(160,210,255,0.1);
}

.cta-glow-wrapper {
  width: min(1180px, 100% - 48px);
  margin: 0 auto;
}

.cta-panel {
  background: rgba(255,255,255,0.045);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: clamp(30px, 5vw, 68px);
  backdrop-filter: blur(16px) saturate(150%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 44px;
  overflow: hidden;
  position: relative;
}

.cta-panel::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(78,200,245,0.08);
  filter: blur(48px);
}

.cta-copy {
  max-width: 530px;
  position: relative;
  z-index: 2;
}

.cta-copy h2 {
  font-size: clamp(25px, 2.4vw, 34px);
  line-height: 1.35;
  margin: 0 0 14px;
}

.cta-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

.cta-action {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
  width: 260px;
}

.cta-action .btn {
  width: 100%;
}

.cta-note {
  font-size: 13px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.cta-note i {
  color: var(--success);
}

.site-footer {
  background: var(--bg-deeper);
  border-top: 1px solid rgba(160,210,255,0.08);
  padding: 62px 48px 28px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 40px;
  max-width: 1080px;
  margin: 0 auto 46px;
}

.footer-brand .logo {
  font-size: 18px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(155,178,199,0.72);
  line-height: 1.8;
  margin: 0;
}

.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.footer-nav h4 {
  color: rgba(234,245,255,0.55);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin: 0 0 14px;
}

.footer-nav a {
  display: block;
  color: var(--muted);
  font-size: 14px;
  padding: 6px 0;
}

.footer-nav a:hover {
  color: var(--cyan-light);
}

.footer-meta {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: flex-start;
}

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

.meta-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(52,211,153,0.12);
}

.footer-bottom {
  max-width: 1080px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(160,210,255,0.06);
  font-size: 13px;
  color: rgba(155,178,199,0.6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-team {
  color: rgba(155,178,199,0.48);
  white-space: nowrap;
}

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    width: min(288px, 84vw);
    transition: transform 0.3s var(--ease);
  }

  .sidebar.is-open {
    transform: translateX(0);
    box-shadow: 0 0 60px rgba(0,0,0,0.6);
  }

  .mobile-bar {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 44;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 20px;
    background: rgba(8, 16, 30, 0.88);
    border-bottom: 1px solid rgba(160,210,255,0.1);
    backdrop-filter: blur(14px) saturate(150%);
  }

  .mobile-bar .logo__text {
    font-size: 17px;
  }

  .mobile-drawer-toggle {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(160,210,255,0.16);
    border-radius: 12px;
    color: var(--text);
    cursor: pointer;
    transition: background 0.2s ease;
  }

  .mobile-drawer-toggle:hover {
    background: rgba(78,200,245,0.1);
  }

  .drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.56);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 45;
  }

  .drawer-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
  }

  .main-content {
    margin-left: 0;
  }
}

@media (max-width: 900px) {
  .section {
    padding: 56px 28px;
  }

  .cat-hero {
    padding: 52px 28px;
  }

  .cta-section,
  .site-footer {
    padding-left: 24px;
    padding-right: 24px;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .intro-visual {
    order: 2;
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-intro .faq-icon {
    display: none;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-action {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .cards-block {
    grid-template-columns: 1fr;
  }

  .cat-card:nth-child(even) {
    transform: none;
  }

  .cat-card:nth-child(even):hover {
    transform: translateY(-4px);
  }

  .cat-hero {
    min-height: 320px;
  }

  .hero-summary {
    font-size: 15px;
  }

  .step-line {
    grid-template-columns: 1fr auto;
  }

  .step-index {
    display: none;
  }

  .step-content {
    grid-column: 1;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-nav {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom {
    justify-content: flex-start;
    flex-direction: column;
    align-items: flex-start;
  }

  .container {
    width: calc(100% - 32px);
  }
}

html.is-animating .sidebar,
html.is-animating .mobile-bar {
  transition: transform 0.3s ease;
}