/* roulang page: index */
:root{
  --bg:#060b1a;
  --bg-2:#08122a;
  --bg-3:#0b1834;
  --panel:rgba(255,255,255,.05);
  --panel-2:rgba(255,255,255,.08);
  --line:rgba(120,170,255,.18);
  --line-2:rgba(120,200,255,.45);
  --text:#e9f0ff;
  --muted:#93a6c9;
  --brand:#3f8cff;
  --brand-2:#38e0d0;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 40px rgba(3,10,28,.55);
  --glow:0 0 26px rgba(63,140,255,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(63,140,255,.20),transparent 62%),
    radial-gradient(900px 560px at 92% 6%,rgba(56,224,208,.13),transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.shell{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(6,11,26,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(2,8,22,.45);
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-size:1.06rem;font-weight:800;letter-spacing:.5px}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04121f;font-size:1.02rem;font-weight:900;
  box-shadow:0 8px 22px rgba(63,140,255,.45);
}
.brand small{display:block;font-size:.68rem;font-weight:500;color:var(--muted);letter-spacing:1.6px;line-height:1}
.brand-text{display:flex;flex-direction:column;gap:2px}
.nav-toggle{
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:var(--panel);color:var(--text);
  display:grid;place-items:center;font-size:1.25rem;transition:.2s;
}
.nav-toggle:hover{background:var(--panel-2);border-color:var(--line-2)}
.nav-grid{display:flex;align-items:center;gap:8px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none}
.nav-grid::-webkit-scrollbar{display:none}
.nav-link-icon{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  padding:9px 15px;border-radius:10px;font-size:.94rem;color:var(--muted);
  border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,box-shadow .2s;
}
.nav-link-icon i{font-size:1.02rem}
.nav-link-icon:hover{color:#dcebff;background:var(--panel);border-color:var(--line)}
.nav-link-icon.active{
  color:#d8ebff;
  background:rgba(63,140,255,.16);
  border-color:rgba(63,140,255,.46);
  box-shadow:0 0 18px rgba(63,140,255,.28) inset;
}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border:0;border-radius:10px;
  font-size:.95rem;font-weight:800;color:#04121f;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 26px rgba(56,140,255,.38);
  transition:transform .2s,box-shadow .2s,filter .2s;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(56,224,208,.42);color:#04121f}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:10px;font-size:.95rem;font-weight:700;
  color:#cfe2ff;background:transparent;border:1px solid var(--line-2);
  transition:background .2s,border-color .2s,transform .2s,color .2s;
}
.btn-ghost:hover{background:rgba(63,140,255,.12);border-color:#6fc6ff;transform:translateY(-2px);color:#eaf4ff}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 84px;
  background-image:linear-gradient(115deg,rgba(4,9,22,.94) 0%,rgba(6,16,38,.86) 46%,rgba(6,11,26,.92) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:320px;
  background:radial-gradient(ellipse at center,rgba(56,224,208,.16),transparent 70%);
  pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:.8rem;letter-spacing:.6px;
  color:#a8d4ff;background:rgba(63,140,255,.14);border:1px solid rgba(63,140,255,.36);
}
.hero h1{
  margin:20px 0 18px;
  font-size:clamp(1.9rem,3.6vw,2.75rem);
  line-height:1.26;
  letter-spacing:.5px;
  background:linear-gradient(120deg,#ffffff 12%,#a9d6ff 62%,#67e9db 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:660px;color:#b9cbe8;font-size:1rem;line-height:1.85}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px}
.tag-pill{
  padding:6px 14px;border-radius:999px;font-size:.82rem;color:#b7d6f8;
  background:var(--panel);border:1px solid var(--line);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.hero-stat b{display:block;font-size:1.42rem;font-weight:800;color:#8fd3ff}
.hero-stat span{font-size:.82rem;color:var(--muted)}

.glass{
  background:linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.028));
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.time-card{padding:24px 22px}
.time-card-head{display:flex;align-items:center;gap:9px;font-weight:800;font-size:.98rem;color:#dceaff}
.dot-live{width:9px;height:9px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(56,224,208,.18);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(56,224,208,.18)}50%{box-shadow:0 0 0 8px rgba(56,224,208,.04)}}
.time-card-sub{margin-top:8px;font-size:.86rem;color:var(--muted);line-height:1.7}
.slot-list{display:grid;gap:10px;margin:18px 0 14px}
.slot-btn{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  width:100%;padding:12px 15px;border-radius:11px;cursor:pointer;text-align:left;
  background:rgba(255,255,255,.035);border:1px solid var(--line);color:#c7dcf8;
  font-size:.9rem;transition:.2s;
}
.slot-btn:hover{background:rgba(63,140,255,.12);border-color:var(--line-2)}
.slot-btn.is-active{
  background:rgba(63,140,255,.17);border-color:rgba(120,200,255,.6);color:#eaf5ff;
  box-shadow:0 0 22px rgba(63,140,255,.28);
}
.slot-btn .slot-time{font-weight:700;letter-spacing:.4px}
.slot-btn .slot-name{font-size:.8rem;color:var(--muted)}
.slot-btn.is-active .slot-name{color:#a9e6ff}
.slot-note{font-size:.86rem;color:#a9bfe0;line-height:1.78;min-height:76px}
.time-card-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted)}

/* ---------- sections ---------- */
.sec{padding:76px 0;position:relative;scroll-margin-top:130px}
.sec--alt{
  background:linear-gradient(180deg,rgba(10,20,44,.92),rgba(6,11,26,.55));
  border-top:1px solid rgba(120,170,255,.10);
  border-bottom:1px solid rgba(120,170,255,.10);
}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;letter-spacing:1.4px;color:#7fb8f5;text-transform:uppercase;
  padding-left:12px;position:relative;margin-bottom:12px;
}
.sec-kicker::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2))}
.sec-title{font-size:clamp(1.42rem,2.5vw,1.92rem);color:#f2f7ff}
.sec-desc{margin-top:14px;color:var(--muted);font-size:.96rem;line-height:1.85;max-width:700px}

/* ---------- cards ---------- */
.card-lite{
  height:100%;
  padding:24px 22px;
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.028));
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:transform .2s,border-color .2s,box-shadow .2s,background .2s;
}
.card-lite:hover{
  transform:translateY(-4px);
  border-color:var(--line-2);
  box-shadow:0 20px 44px rgba(3,12,32,.6),0 0 0 1px rgba(120,200,255,.18);
}
.card-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-size:1.22rem;color:#9fd7ff;margin-bottom:16px;
  background:rgba(63,140,255,.14);border:1px solid rgba(63,140,255,.32);
}
.card-lite h3{font-size:1.06rem;color:#eaf3ff;margin-bottom:10px}
.card-lite p{font-size:.9rem;color:var(--muted);line-height:1.78}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{
  display:inline-block;padding:3px 11px;border-radius:999px;
  font-size:.75rem;color:#9fd0ff;background:rgba(63,140,255,.12);
  border:1px solid rgba(63,140,255,.28);white-space:nowrap;
}

/* game cards with image */
.game-card{height:100%;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025));transition:transform .2s,border-color .2s,box-shadow .2s}
.game-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 20px 44px rgba(3,12,32,.6)}
.game-thumb{aspect-ratio:16/9;overflow:hidden;position:relative}
.game-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.game-card:hover .game-thumb img{transform:scale(1.05)}
.game-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,26,.05),rgba(6,11,26,.68))}
.game-body{padding:20px 20px 22px}
.game-body h3{font-size:1.02rem;color:#eaf3ff;margin-bottom:8px}
.game-body p{font-size:.88rem;color:var(--muted);line-height:1.75}

/* accordion */
.accordion{--bs-accordion-bg:transparent;--bs-accordion-color:var(--text);--bs-accordion-border-color:var(--line);--bs-accordion-btn-color:#dceaff;--bs-accordion-active-bg:rgba(63,140,255,.14);--bs-accordion-active-color:#eaf5ff;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-border-radius:12px;--bs-accordion-inner-border-radius:12px}
.accordion-item{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:12px}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{font-weight:700;font-size:.98rem;background:transparent;padding:18px 20px;box-shadow:none!important}
.accordion-button:not(.collapsed){background:rgba(63,140,255,.14);color:#eaf5ff}
.accordion-button::after{filter:invert(1) brightness(1.8);opacity:.8}
.accordion-body{color:var(--muted);font-size:.9rem;line-height:1.85;padding:4px 20px 20px}
.accordion-body ul{display:grid;gap:8px}
.accordion-body li{position:relative;padding-left:18px}
.accordion-body li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand-2)}

/* split feature */
.split-img{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.prob-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.prob-item{padding:14px;border-radius:11px;background:rgba(63,140,255,.10);border:1px solid rgba(63,140,255,.26);text-align:center}
.prob-item b{display:block;font-size:1.24rem;color:#8fe0ff;font-weight:800}
.prob-item span{font-size:.78rem;color:var(--muted)}

/* demo banner */
.demo-band{
  position:relative;overflow:hidden;border-radius:18px;padding:48px 40px;
  background-image:linear-gradient(110deg,rgba(4,10,26,.94),rgba(9,26,58,.82)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  border:1px solid rgba(120,200,255,.28);
  box-shadow:0 24px 60px rgba(2,10,28,.6);
}
.demo-band h2{font-size:clamp(1.36rem,2.4vw,1.8rem);color:#f2f9ff;margin-bottom:14px}
.demo-band p{color:#b6cde9;font-size:.95rem;max-width:640px;line-height:1.85}
.demo-band .btn-ghost{margin-top:24px;background:rgba(10,24,52,.6)}

/* channel cards */
.channel-card{
  display:flex;flex-direction:column;height:100%;padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
  border:1px solid var(--line);transition:transform .2s,border-color .2s,box-shadow .2s;
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 22px 50px rgba(3,12,32,.62)}
.channel-card h3{font-size:1.08rem;color:#eaf3ff;margin:16px 0 10px}
.channel-card p{font-size:.9rem;color:var(--muted);line-height:1.78;flex:1}
.channel-more{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-size:.86rem;font-weight:700;color:#8fd3ff}
.channel-card:hover .channel-more{color:var(--brand-2)}

/* cms list */
.news-list{display:grid;gap:14px}
.news-item{
  display:block;padding:20px 22px;border-radius:12px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.022));
  border:1px solid var(--line);transition:transform .2s,border-color .2s,box-shadow .2s;
}
.news-item:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:0 16px 38px rgba(3,12,32,.55)}
.news-meta{display:flex;align-items:center;gap:12px;font-size:.76rem;color:var(--muted);margin-bottom:9px}
.news-item h3{font-size:1rem;color:#eaf3ff;margin-bottom:8px}
.news-item p{font-size:.87rem;color:var(--muted);line-height:1.75}
.empty-note{padding:26px;border-radius:12px;border:1px dashed var(--line-2);color:var(--muted);font-size:.9rem;text-align:center}
.side-panel{padding:24px 22px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.022));border:1px solid var(--line)}
.side-panel h3{font-size:1rem;color:#eaf3ff;margin-bottom:16px}
.side-item{display:block;padding:13px 0;border-bottom:1px dashed rgba(120,170,255,.18)}
.side-item:last-child{border-bottom:0;padding-bottom:0}
.side-item span{font-size:.76rem;color:#7fb8f5}
.side-item strong{display:block;font-size:.9rem;font-weight:600;color:#dbe9ff;margin-top:5px;line-height:1.6}
.side-item:hover strong{color:var(--brand-2)}
.more-link{display:inline-flex;align-items:center;gap:7px;margin-top:22px;font-size:.87rem;font-weight:700;color:#8fd3ff;transition:color .2s}
.more-link:hover{color:var(--brand-2)}

/* metrics */
.metric{padding:26px 22px;border-radius:var(--radius);text-align:center;background:rgba(255,255,255,.045);border:1px solid var(--line);transition:.2s}
.metric:hover{border-color:var(--line-2);transform:translateY(-3px)}
.metric b{
  display:block;font-size:2rem;font-weight:800;line-height:1.2;
  background:linear-gradient(135deg,#a8d8ff,#3ce0cf);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:6px;font-size:.85rem;color:var(--muted)}

/* reviews */
.review{height:100%;padding:24px 22px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);transition:.2s}
.review:hover{transform:translateY(-4px);border-color:var(--line-2)}
.review p{font-size:.9rem;color:#c3d6ef;line-height:1.85}
.review-user{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:.85rem;font-weight:800;color:#04121f;background:linear-gradient(135deg,#7fc4ff,#39e0cf)}
.review-user b{display:block;font-size:.86rem;color:#e6f1ff}
.review-user span{font-size:.75rem;color:var(--muted)}

/* cta */
.cta-panel{
  padding:56px 44px;border-radius:20px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(140deg,rgba(20,52,110,.85),rgba(9,22,48,.92));
  border:1px solid rgba(120,200,255,.32);
  box-shadow:0 28px 70px rgba(2,10,28,.65);
}
.cta-panel::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:280px;
  background:radial-gradient(ellipse at center,rgba(63,140,255,.28),transparent 70%);
}
.cta-panel h2{position:relative;font-size:clamp(1.4rem,2.6vw,2rem);color:#f4faff}
.cta-panel p{position:relative;margin:16px auto 0;max-width:660px;color:#b8cfe9;font-size:.95rem;line-height:1.85}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:30px}

/* footer */
.site-footer{
  margin-top:0;padding:56px 0 28px;
  background:linear-gradient(180deg,rgba(8,17,37,.9),rgba(4,9,20,.98));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.02rem;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:.95rem}
.footer-text{font-size:.86rem;color:var(--muted);line-height:1.8;max-width:300px}
.footer-col h4{font-size:.9rem;color:#dbe9ff;margin-bottom:16px;letter-spacing:.5px}
.footer-col a,.footer-col span{display:block;font-size:.86rem;color:var(--muted);padding:5px 0;transition:color .2s}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:.8rem;color:#7488aa;
}

@media (max-width:1024px){
  .hero{padding:56px 0 66px}
  .sec{padding:62px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .demo-band{padding:38px 28px}
}
@media (max-width:992px){
  .nav-grid{display:none;flex-wrap:wrap;padding-bottom:14px}
  .nav-grid.open{display:flex}
  .nav-link-icon{flex:1 1 calc(50% - 8px);justify-content:flex-start}
  .hero-stats{gap:20px}
}
@media (max-width:768px){
  .sec{padding:52px 0}
  .hero h1{font-size:1.72rem}
  .hero-lead{font-size:.94rem}
  .prob-grid{grid-template-columns:1fr 1fr}
  .cta-panel{padding:40px 22px}
  .time-card{padding:20px 18px}
  .slot-note{min-height:auto}
}
@media (max-width:520px){
  .shell{padding:0 16px}
  .brand small{display:none}
  .hero{padding:44px 0 52px}
  .hero-stats{gap:16px}
  .hero-stat b{font-size:1.2rem}
  .footer-grid{grid-template-columns:1fr}
  .prob-grid{grid-template-columns:1fr}
  .btn-glow,.btn-ghost{width:100%}
  .cta-actions{flex-direction:column}
  .demo-band{padding:30px 20px;border-radius:14px}
}

/* roulang page: category1 */
:root{
 --bg:#060b1a;
 --bg-2:#08122a;
 --bg-3:#0b1834;
 --panel:rgba(255,255,255,.05);
 --panel-2:rgba(255,255,255,.08);
 --line:rgba(120,170,255,.18);
 --line-2:rgba(120,200,255,.45);
 --text:#e9f0ff;
 --muted:#93a6c9;
 --brand:#3f8cff;
 --brand-2:#38e0d0;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px rgba(3,10,28,.55);
 --glow:0 0 26px rgba(63,140,255,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;line-height:1.75;color:var(--text);
 background:
 radial-gradient(1100px 620px at 12% -8%,rgba(63,140,255,.20),transparent 62%),
 radial-gradient(900px 560px at 92% 6%,rgba(56,224,208,.13),transparent 60%),
 var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button{font-family:inherit}
.shell{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(6,11,26,.86);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
 box-shadow:0 10px 30px rgba(2,8,22,.45);
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-size:1.06rem;font-weight:800;letter-spacing:.5px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#04121f;font-size:1.02rem;font-weight:900;
 box-shadow:0 8px 22px rgba(63,140,255,.45);
}
.brand small{display:block;font-size:.68rem;font-weight:500;color:var(--muted);letter-spacing:1.6px;line-height:1}
.brand-text{display:flex;flex-direction:column;gap:2px}
.nav-toggle{
 width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
 background:var(--panel);color:var(--text);display:grid;place-items:center;font-size:1.25rem;transition:.2s;
}
.nav-toggle:hover{background:var(--panel-2);border-color:var(--line-2)}
.nav-grid{display:flex;align-items:center;gap:8px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none}
.nav-grid::-webkit-scrollbar{display:none}
.nav-link-icon{
 display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
 padding:9px 15px;border-radius:10px;font-size:.94rem;color:var(--muted);
 border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,box-shadow .2s;
}
.nav-link-icon i{font-size:1.02rem}
.nav-link-icon:hover{color:#dcebff;background:var(--panel);border-color:var(--line)}
.nav-link-icon.active{
 color:#d8ebff;background:rgba(63,140,255,.16);
 border-color:rgba(63,140,255,.46);
 box-shadow:0 0 18px rgba(63,140,255,.28) inset;
}
.btn-glow{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border:0;border-radius:10px;font-size:.95rem;font-weight:800;color:#04121f;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 10px 26px rgba(56,140,255,.38);
 transition:transform .2s,box-shadow .2s,filter .2s;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(56,224,208,.42);color:#04121f}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:10px 20px;border-radius:10px;font-size:.95rem;font-weight:700;
 color:#cfe2ff;background:transparent;border:1px solid var(--line-2);
 transition:background .2s,border-color .2s,transform .2s,color .2s;
}
.btn-ghost:hover{background:rgba(63,140,255,.12);border-color:#6fc6ff;transform:translateY(-2px);color:#eaf4ff}
/* ---------- page hero ---------- */
.cat-hero{
 position:relative;overflow:hidden;padding:64px 0 68px;
 background-image:linear-gradient(112deg,rgba(4,9,22,.95) 0%,rgba(6,16,38,.88) 48%,rgba(6,11,26,.94) 100%),url('/assets/images/backpic/back-3.webp');
 background-size:cover;background-position:center;
 border-bottom:1px solid var(--line);
}
.cat-hero::after{
 content:"";position:absolute;inset:auto -10% -60% -10%;height:300px;
 background:radial-gradient(ellipse at center,rgba(56,224,208,.16),transparent 70%);
 pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.82rem;color:var(--muted);margin-bottom:18px}
.crumb a{color:#a8c8ee}
.crumb a:hover{color:#eaf4ff}
.crumb i{font-size:.7rem;opacity:.6}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
 font-size:.8rem;letter-spacing:.6px;color:#a8d4ff;
 background:rgba(63,140,255,.14);border:1px solid rgba(63,140,255,.36);
}
.cat-hero h1{
 margin:18px 0 16px;font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.28;letter-spacing:.4px;
 background:linear-gradient(120deg,#ffffff 12%,#a9d6ff 62%,#67e9db 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero p.lead-txt{max-width:660px;color:#b9cbe8;font-size:1rem;line-height:1.85;margin:0}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.tag-pill{padding:6px 14px;border-radius:999px;font-size:.82rem;color:#b7d6f8;background:var(--panel);border:1px solid var(--line)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-side{
 padding:24px 22px;border-radius:var(--radius);
 background:linear-gradient(160deg,rgba(63,140,255,.16),rgba(56,224,208,.06) 70%,rgba(255,255,255,.03));
 border:1px solid var(--line-2);box-shadow:var(--shadow);
 backdrop-filter:blur(8px);
}
.hero-side h2{font-size:1rem;font-weight:800;margin:0 0 14px;color:#dceaff;display:flex;align-items:center;gap:8px}
.step-mini{display:grid;gap:10px}
.step-mini-item{
 display:flex;gap:12px;align-items:flex-start;padding:11px 13px;border-radius:11px;
 background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.step-mini-item b{
 width:24px;height:24px;flex:0 0 auto;border-radius:8px;display:grid;place-items:center;
 font-size:.78rem;color:#04121f;background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.step-mini-item span{font-size:.86rem;color:#c2d5ef;line-height:1.6}
/* ---------- sections ---------- */
.sec{padding:72px 0;position:relative;scroll-margin-top:130px}
.sec-alt{background:linear-gradient(180deg,rgba(8,18,42,.9),rgba(6,11,26,.55));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:34px;max-width:760px}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:.8rem;letter-spacing:1.4px;
 color:#7fd8ce;text-transform:uppercase;margin-bottom:10px;
}
.sec-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.sec-title{
 font-size:clamp(1.42rem,2.4vw,1.92rem);font-weight:800;line-height:1.35;margin:0 0 12px;color:#eef5ff;letter-spacing:.3px;
}
.sec-sub{margin:0;color:var(--muted);font-size:.95rem;line-height:1.8}
.card-soft{
 height:100%;padding:22px 20px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);box-shadow:0 10px 26px rgba(3,10,28,.35);
 transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;
}
.card-soft:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2);background:var(--panel-2)}
.card-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 font-size:1.16rem;color:#9fe0ff;margin-bottom:14px;
 background:rgba(63,140,255,.14);border:1px solid var(--line-2);
}
.card-soft h3{font-size:1.04rem;font-weight:800;margin:0 0 10px;color:#e6f1ff;line-height:1.45}
.card-soft p{margin:0;font-size:.9rem;color:#a9bcda;line-height:1.78}
.mini-tag{
 display:inline-block;margin-top:14px;padding:4px 11px;border-radius:999px;
 font-size:.75rem;color:#9fd9ff;background:rgba(56,224,208,.1);border:1px solid rgba(56,224,208,.3);
}
/* flow */
.flow-line{position:relative;display:grid;gap:0}
.flow-item{
 display:grid;grid-template-columns:56px 1fr;gap:18px;
 padding:20px 0;border-bottom:1px dashed rgba(120,170,255,.22);
}
.flow-item:last-child{border-bottom:0}
.flow-num{
 width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
 font-weight:900;font-size:1.02rem;color:#04121f;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 8px 20px rgba(63,140,255,.32);
}
.flow-item h3{font-size:1.02rem;font-weight:800;margin:0 0 7px;color:#e6f1ff}
.flow-item p{margin:0;font-size:.92rem;color:#a9bcda;line-height:1.78}
/* table look */
.rule-table{
 width:100%;border-collapse:separate;border-spacing:0;font-size:.9rem;
 border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
}
.rule-table thead th{
 background:rgba(63,140,255,.16);color:#dbeaff;font-weight:800;
 padding:13px 14px;text-align:left;font-size:.86rem;letter-spacing:.4px;
 border-bottom:1px solid var(--line-2);
}
.rule-table tbody td{padding:12px 14px;color:#b7cbdf;border-bottom:1px solid rgba(120,170,255,.12);background:rgba(255,255,255,.025)}
.rule-table tbody tr:last-child td{border-bottom:0}
.rule-table tbody tr:hover td{background:rgba(63,140,255,.09);color:#e3efff}
.rule-table b{color:#9fe0ff;font-weight:800}
/* picture cards */
.pic-card{
 height:100%;border-radius:var(--radius);overflow:hidden;
 background:var(--panel);border:1px solid var(--line);box-shadow:0 10px 26px rgba(3,10,28,.35);
 transition:transform .2s,box-shadow .2s,border-color .2s;
 display:flex;flex-direction:column;
}
.pic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2)}
.pic-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.pic-body{padding:18px 18px 20px}
.pic-body h3{font-size:1rem;font-weight:800;margin:0 0 8px;color:#e6f1ff;line-height:1.45}
.pic-body p{margin:0;font-size:.88rem;color:#a9bcda;line-height:1.75}
/* notice strip */
.strip{
 margin-top:26px;padding:16px 20px;border-radius:var(--radius-sm);
 background:rgba(56,224,208,.08);border:1px solid rgba(56,224,208,.28);
 font-size:.88rem;color:#bfe8e3;line-height:1.75;display:flex;gap:12px;align-items:flex-start;
}
.strip i{color:#6fe6d6;font-size:1.05rem;line-height:1.5}
/* faq */
.faq-item{
 border:1px solid var(--line);border-radius:var(--radius-sm);
 background:var(--panel);margin-bottom:12px;overflow:hidden;transition:.2s;
}
.faq-item:hover{border-color:var(--line-2);background:var(--panel-2)}
.faq-q{
 width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
 padding:15px 18px;background:transparent;border:0;color:#e6f1ff;
 font-size:.96rem;font-weight:700;text-align:left;cursor:pointer;
}
.faq-q i{color:#7fc8ff;transition:transform .25s}
.faq-q[aria-expanded="true"] i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 18px 16px;font-size:.9rem;color:#a9bcda;line-height:1.8}
.faq-a.open{display:block}
/* cta */
.cta-band{
 position:relative;overflow:hidden;padding:44px 34px;border-radius:18px;
 background:linear-gradient(125deg,rgba(63,140,255,.22),rgba(56,224,208,.12) 60%,rgba(255,255,255,.04));
 border:1px solid var(--line-2);box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:800;margin:0 0 10px;color:#f0f7ff}
.cta-band p{margin:0 0 22px;color:#bdd2ee;font-size:.95rem;max-width:640px;line-height:1.8}
/* list */
.post-card{
 height:100%;display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
 background:var(--panel);border:1px solid var(--line);box-shadow:0 10px 26px rgba(3,10,28,.35);
 transition:transform .2s,box-shadow .2s,border-color .2s;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2)}
.post-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-body{padding:16px 17px 18px;display:flex;flex-direction:column;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.76rem;color:#8fa8c8;margin-bottom:9px}
.post-meta span{display:inline-flex;align-items:center;gap:5px}
.post-body h3{font-size:.97rem;font-weight:800;margin:0 0 8px;line-height:1.5;color:#e6f1ff}
.post-body h3 a:hover{color:#8fd3ff}
.post-body p{margin:0;font-size:.85rem;color:#a0b4d2;line-height:1.72}
.empty-note{font-size:.9rem;color:#9fb4d3;padding:18px 0}
/* footer */
.site-footer{
 margin-top:0;padding:56px 0 26px;background:linear-gradient(180deg,rgba(6,11,26,.4),rgba(4,8,20,.96));
 border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;margin-bottom:12px}
.footer-text{margin:0;font-size:.87rem;color:var(--muted);line-height:1.8;max-width:300px}
.footer-col h4{font-size:.86rem;font-weight:800;letter-spacing:1px;color:#cfe2ff;margin:0 0 14px}
.footer-col a,.footer-col span{display:block;font-size:.86rem;color:var(--muted);margin-bottom:9px;transition:.2s}
.footer-col a:hover{color:#9fd9ff}
.footer-bottom{
 margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.8rem;color:#7e93b4;
}
@media(max-width:1024px){
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .cat-hero{padding:52px 0 56px}
 .sec{padding:60px 0}
}
@media(max-width:768px){
 .brand-row{height:60px}
 .cat-hero h1{font-size:1.62rem}
 .hero-side{margin-top:26px}
 .sec{padding:52px 0}
 .flow-item{grid-template-columns:44px 1fr;gap:14px}
 .flow-num{width:40px;height:40px;border-radius:12px;font-size:.92rem}
 .cta-band{padding:32px 22px}
 .rule-table{font-size:.82rem}
 .rule-table thead th,.rule-table tbody td{padding:10px 11px}
}
@media(max-width:520px){
 .footer-grid{grid-template-columns:1fr;gap:22px}
 .nav-grid{gap:6px;padding-bottom:10px}
 .nav-link-icon{padding:8px 12px;font-size:.88rem}
 .btn-glow,.btn-ghost{padding:10px 16px;font-size:.9rem;min-height:40px}
 .cat-hero{padding:42px 0 46px}
 .sec-title{font-size:1.3rem}
 .hero-actions .btn-glow,.hero-actions .btn-ghost{flex:1 1 100%}
 .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
 --bg:#060b1a;
 --bg-2:#08122a;
 --bg-3:#0b1834;
 --panel:rgba(255,255,255,.05);
 --panel-2:rgba(255,255,255,.08);
 --line:rgba(120,170,255,.18);
 --line-2:rgba(120,200,255,.45);
 --text:#e9f0ff;
 --muted:#93a6c9;
 --brand:#3f8cff;
 --brand-2:#38e0d0;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px rgba(3,10,28,.55);
 --glow:0 0 26px rgba(63,140,255,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:
 radial-gradient(1100px 620px at 12% -8%,rgba(63,140,255,.20),transparent 62%),
 radial-gradient(900px 560px at 92% 6%,rgba(56,224,208,.13),transparent 60%),
 var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{list-style:none;padding:0;margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:8px}
.shell{width:min(1180px,100% - 40px);margin-inline:auto}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(6,11,26,.86);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
 box-shadow:0 10px 30px rgba(2,8,22,.45);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 16px 40px rgba(2,8,22,.7);background:rgba(5,9,22,.94)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-size:1.06rem;font-weight:800;letter-spacing:.5px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#04121f;font-size:1.02rem;font-weight:900;
 box-shadow:0 8px 22px rgba(63,140,255,.45);
}
.brand small{display:block;font-size:.68rem;font-weight:500;color:var(--muted);letter-spacing:1.6px;line-height:1}
.brand-text{display:flex;flex-direction:column;gap:2px}
.nav-toggle{
 width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);background:var(--panel);color:var(--text);
 display:grid;place-items:center;font-size:1.25rem;transition:.2s;
}
.nav-toggle:hover{background:var(--panel-2);border-color:var(--line-2)}
.nav-grid{display:flex;align-items:center;gap:8px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none}
.nav-grid::-webkit-scrollbar{display:none}
.nav-link-icon{
 display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
 padding:9px 15px;border-radius:10px;font-size:.94rem;color:var(--muted);
 border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,box-shadow .2s;
}
.nav-link-icon i{font-size:1.02rem}
.nav-link-icon:hover{color:#dcebff;background:var(--panel);border-color:var(--line)}
.nav-link-icon.active{
 color:#d8ebff;
 background:rgba(63,140,255,.16);
 border-color:rgba(63,140,255,.46);
 box-shadow:0 0 18px rgba(63,140,255,.28) inset;
}
.btn-glow{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border:0;border-radius:10px;
 font-size:.95rem;font-weight:800;color:#04121f;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 10px 26px rgba(56,140,255,.38);
 transition:transform .2s,box-shadow .2s,filter .2s;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(56,224,208,.42);color:#04121f}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:10px 20px;border-radius:10px;font-size:.95rem;font-weight:700;
 color:#cfe2ff;background:transparent;border:1px solid var(--line-2);
 transition:background .2s,border-color .2s,transform .2s,color .2s;
}
.btn-ghost:hover{background:rgba(63,140,255,.12);border-color:#6fc6ff;transform:translateY(-2px);color:#eaf4ff}

/* ---------- article hero ---------- */
.article-hero{
 position:relative;overflow:hidden;
 padding:38px 0 46px;
 background-image:linear-gradient(115deg,rgba(4,9,22,.95) 0%,rgba(6,16,38,.87) 54%,rgba(6,11,26,.95) 100%),url('/assets/images/backpic/back-2.webp');
 background-size:cover;background-position:center;
 border-bottom:1px solid var(--line);
}
.article-hero::after{
 content:"";position:absolute;inset:auto -12% -70% -12%;height:280px;
 background:radial-gradient(ellipse at center,rgba(56,224,208,.15),transparent 70%);
 pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--muted);position:relative;z-index:1}
.crumbs a{color:#a8c8ea}
.crumbs a:hover{color:#7fd8ff}
.crumbs .sep{opacity:.45}
.article-hero h1{
 position:relative;z-index:1;
 margin:16px 0 14px;
 font-size:clamp(1.55rem,2.9vw,2.18rem);
 line-height:1.36;
 font-weight:800;
 letter-spacing:.4px;
 color:#ffffff;
 max-width:900px;
}
.hero-lead{
 position:relative;z-index:1;
 max-width:720px;color:#b9cbe8;font-size:.96rem;line-height:1.85;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;position:relative;z-index:1}
.tag-pill{
 padding:6px 14px;border-radius:999px;font-size:.82rem;color:#b7d6f8;
 background:var(--panel);border:1px solid var(--line);
 transition:.2s;
}
.tag-pill:hover{border-color:var(--line-2);color:#e2f2ff;background:rgba(63,140,255,.14)}
.meta-row{
 position:relative;z-index:1;
 display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
 margin-top:22px;padding-top:18px;border-top:1px solid var(--line);
 font-size:.83rem;color:var(--muted);
}
.meta-row i{color:#7fc2ff;margin-right:6px}

/* ---------- layout ---------- */
.main-wrap{padding:52px 0 78px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:30px;align-items:start}
.read-col{min-width:0;max-width:740px}
.side-col{position:sticky;top:130px;display:grid;gap:18px}

/* ---------- glass cards ---------- */
.glass{
 background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.028));
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
}
.card-hover{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card-hover:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:0 24px 48px rgba(3,10,28,.62)}

.article-card{padding:30px 30px 34px;margin-bottom:26px}
.article-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:22px;font-size:.82rem;color:var(--muted)}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;font-size:.78rem;font-weight:700;
 color:#a9e6ff;background:rgba(63,140,255,.16);border:1px solid rgba(63,140,255,.4);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(147,166,201,.6)}

/* ---------- prose ---------- */
.prose{font-size:1rem;line-height:1.85;color:#cfdcf2}
.prose h2{
 font-size:1.32rem;font-weight:800;color:#ffffff;line-height:1.45;
 margin:34px 0 14px;padding-left:13px;border-left:3px solid var(--brand-2);
}
.prose h3{font-size:1.1rem;font-weight:700;color:#e6f1ff;margin:26px 0 10px}
.prose h4{font-size:1rem;font-weight:700;color:#dbe9ff;margin:20px 0 8px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px;list-style:revert}
.prose li{margin-bottom:8px}
.prose a{color:#7cc4ff;border-bottom:1px dashed rgba(124,196,255,.5)}
.prose a:hover{color:#a6dcff;border-bottom-color:#a6dcff}
.prose strong{color:#ffffff;font-weight:700}
.prose blockquote{
 margin:20px 0;padding:14px 18px;
 border-left:3px solid var(--brand);
 background:rgba(63,140,255,.1);
 border-radius:0 var(--radius-sm) var(--radius-sm) 0;
 color:#d6e6ff;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.92rem}
.prose th,.prose td{padding:10px 12px;border:1px solid var(--line);text-align:left}
.prose th{background:rgba(63,140,255,.12);color:#e5f0ff;font-weight:700}
.prose td{color:#c3d4ee}
.prose img{border-radius:12px;margin:18px 0;box-shadow:0 14px 32px rgba(3,10,28,.5)}
.prose hr{border:0;border-top:1px solid var(--line);margin:26px 0}

.empty-state{padding:34px 6px;text-align:left}
.empty-state h2{font-size:1.28rem;font-weight:800;color:#fff;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:20px}

/* ---------- blocks ---------- */
.block{margin-bottom:26px}
.block-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.block-head .bar{width:26px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));flex:0 0 auto}
.block-head h2{font-size:1.18rem;font-weight:800;color:#ffffff;margin:0;letter-spacing:.3px}
.block-head .block-sub{font-size:.82rem;color:var(--muted);margin-left:auto}

.point-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.point-card{
 padding:18px 18px 16px;border-radius:12px;
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.point-card:hover{transform:translateY(-3px);background:rgba(63,140,255,.1);border-color:var(--line-2)}
.point-card .ico{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:rgba(56,224,208,.14);border:1px solid rgba(56,224,208,.32);
 color:#7ff0e4;font-size:1rem;margin-bottom:12px;
}
.point-card h3{font-size:.98rem;font-weight:700;color:#eaf3ff;margin-bottom:6px}
.point-card p{font-size:.88rem;color:var(--muted);line-height:1.75;margin:0}

.metric-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-top:6px}
.metric{
 padding:16px 14px;border-radius:12px;text-align:center;
 background:rgba(63,140,255,.1);border:1px solid var(--line);
 transition:border-color .2s ease,background .2s ease;
}
.metric:hover{background:rgba(63,140,255,.16);border-color:var(--line-2)}
.metric b{display:block;font-size:1.42rem;font-weight:800;color:#8fd3ff;line-height:1.3}
.metric span{font-size:.79rem;color:var(--muted)}

.steps{display:grid;gap:12px}
.step{
 display:flex;gap:14px;padding:16px 18px;border-radius:12px;
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.step:hover{transform:translateX(3px);background:rgba(63,140,255,.1);border-color:var(--line-2)}
.step-num{
 flex:0 0 32px;height:32px;border-radius:10px;display:grid;place-items:center;
 font-weight:800;font-size:.9rem;color:#04121f;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.step h3{font-size:.99rem;font-weight:700;color:#eaf3ff;margin:0 0 5px}
.step p{margin:0;font-size:.89rem;color:var(--muted);line-height:1.75}

.quote-grid{display:grid;gap:14px}
.quote-card{
 padding:18px 20px;border-radius:12px;
 background:rgba(56,224,208,.06);border:1px solid rgba(56,224,208,.22);
 transition:transform .2s ease,border-color .2s ease;
}
.quote-card:hover{transform:translateY(-2px);border-color:rgba(56,224,208,.5)}
.quote-card p{margin:0 0 10px;color:#d3e6f5;font-size:.93rem;line-height:1.8}
.quote-author{font-size:.81rem;color:var(--muted);display:flex;align-items:center;gap:8px}
.quote-author i{color:#7ff0e4}

.tag-line{display:flex;flex-wrap:wrap;gap:10px}
.tag-line .tag-pill{font-size:.85rem;padding:8px 16px}

.faq-item{
 border:1px solid var(--line);border-radius:12px;overflow:hidden;
 background:rgba(255,255,255,.035);margin-bottom:12px;transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:var(--line-2)}
.faq-item[open]{background:rgba(63,140,255,.08);border-color:rgba(63,140,255,.42)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:15px 18px;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 font-size:.96rem;font-weight:700;color:#e3eefc;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.15rem;color:var(--brand-2);line-height:1;font-weight:700}
.faq-item[open] summary::after{content:"\2212"}
.faq-body{padding:0 18px 16px;font-size:.9rem;line-height:1.8;color:var(--muted)}

.cta-card{
 padding:30px 28px;border-radius:var(--radius);
 background:linear-gradient(120deg,rgba(63,140,255,.22),rgba(56,224,208,.13));
 border:1px solid var(--line-2);
 box-shadow:var(--glow);
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-card h2{font-size:1.24rem;font-weight:800;color:#ffffff;margin:0 0 8px}
.cta-card p{color:#c7dbf5;font-size:.92rem;line-height:1.8;margin:0;max-width:470px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- sidebar ---------- */
.side-card{padding:20px 20px 22px}
.side-card h3{font-size:.96rem;font-weight:800;color:#eaf3ff;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:#7fc2ff}
.side-list{display:grid;gap:4px}
.side-list a{
 display:flex;align-items:center;gap:9px;
 padding:9px 10px;border-radius:9px;font-size:.88rem;color:#b6c8e4;
 border:1px solid transparent;transition:.2s;
}
.side-list a i{font-size:.82rem;color:#6f9fd0}
.side-list a:hover{color:#e3f2ff;background:rgba(63,140,255,.12);border-color:var(--line);transform:translateX(2px)}
.side-note{font-size:.83rem;color:var(--muted);line-height:1.8;margin:0}
.mini-stats{display:grid;gap:10px;margin-top:4px}
.mini-stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:9px;border-bottom:1px dashed rgba(120,170,255,.16)}
.mini-stat:last-child{border-bottom:0;padding-bottom:0}
.mini-stat span{font-size:.84rem;color:var(--muted)}
.mini-stat b{font-size:.98rem;font-weight:800;color:#8fd3ff}
.side-thumb{border-radius:10px;overflow:hidden;margin-bottom:14px;border:1px solid var(--line)}
.side-thumb img{aspect-ratio:16/9;object-fit:cover;width:100%}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(4,9,22,.74);padding:52px 0 24px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:28px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;margin-bottom:12px}
.footer-text{color:var(--muted);font-size:.9rem;line-height:1.85;max-width:330px}
.footer-col h4{font-size:.95rem;font-weight:800;color:#dfeaff;margin:0 0 12px}
.footer-col a,.footer-col span{display:block;font-size:.86rem;color:var(--muted);margin-bottom:8px}
.footer-col a{transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#8fd3ff;transform:translateX(2px)}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
 font-size:.8rem;color:#7a8db0;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .layout{grid-template-columns:1fr}
 .read-col{max-width:none}
 .side-col{position:static}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991.98px){
 .nav-grid{display:none}
 .nav-grid.is-open{
  display:flex;flex-direction:column;align-items:stretch;gap:6px;
  padding-bottom:14px;overflow:visible;
 }
 .nav-link-icon{justify-content:flex-start;padding:11px 14px}
}
@media (max-width:768px){
 .shell{width:min(1180px,100% - 28px)}
 .article-hero{padding:30px 0 36px}
 .article-card{padding:22px 20px 26px}
 .main-wrap{padding:38px 0 58px}
 .metric-row{grid-template-columns:repeat(2,1fr)}
 .cta-card{padding:24px 20px}
 .footer-grid{grid-template-columns:1fr;gap:22px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .brand{font-size:.98rem}
 .article-hero h1{font-size:1.42rem}
 .hero-lead{font-size:.9rem}
 .prose{font-size:.95rem}
 .point-grid{grid-template-columns:1fr}
 .metric-row{grid-template-columns:1fr}
 .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%}
 .btn-glow,.btn-ghost{padding:12px 18px}
}

/* roulang page: category2 */
:root{
 --bg:#060b1a;
 --bg-2:#08122a;
 --bg-3:#0b1834;
 --panel:rgba(255,255,255,.05);
 --panel-2:rgba(255,255,255,.08);
 --line:rgba(120,170,255,.18);
 --line-2:rgba(120,200,255,.45);
 --text:#e9f0ff;
 --muted:#93a6c9;
 --brand:#3f8cff;
 --brand-2:#38e0d0;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px rgba(3,10,28,.55);
 --glow:0 0 26px rgba(63,140,255,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:
 radial-gradient(1100px 620px at 12% -8%,rgba(63,140,255,.20),transparent 62%),
 radial-gradient(900px 560px at 92% 6%,rgba(56,224,208,.13),transparent 60%),
 var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button{font-family:inherit}
p{margin:0 0 1em}
.shell{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(6,11,26,.86);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
 box-shadow:0 10px 30px rgba(2,8,22,.45);
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-size:1.06rem;font-weight:800;letter-spacing:.5px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#04121f;font-size:1.02rem;font-weight:900;
 box-shadow:0 8px 22px rgba(63,140,255,.45);
}
.brand small{display:block;font-size:.68rem;font-weight:500;color:var(--muted);letter-spacing:1.6px;line-height:1}
.brand-text{display:flex;flex-direction:column;gap:2px}
.nav-toggle{
 width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);background:var(--panel);color:var(--text);
 display:grid;place-items:center;font-size:1.25rem;transition:.2s;
}
.nav-toggle:hover{background:var(--panel-2);border-color:var(--line-2)}
.nav-toggle:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.nav-grid{display:flex;align-items:center;gap:8px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none}
.nav-grid::-webkit-scrollbar{display:none}
.nav-link-icon{
 display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
 padding:9px 15px;border-radius:10px;font-size:.94rem;color:var(--muted);
 border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,box-shadow .2s;
}
.nav-link-icon i{font-size:1.02rem}
.nav-link-icon:hover{color:#dcebff;background:var(--panel);border-color:var(--line)}
.nav-link-icon:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.nav-link-icon.active{
 color:#d8ebff;
 background:rgba(63,140,255,.16);
 border-color:rgba(63,140,255,.46);
 box-shadow:0 0 18px rgba(63,140,255,.28) inset;
}
.btn-glow{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border:0;border-radius:10px;
 font-size:.95rem;font-weight:800;color:#04121f;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 10px 26px rgba(56,140,255,.38);
 transition:transform .2s,box-shadow .2s,filter .2s;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(56,224,208,.42);color:#04121f}
.btn-glow:active{transform:translateY(0)}
.btn-glow:focus-visible{outline:2px solid #9fe8ff;outline-offset:3px}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:10px 20px;border-radius:10px;font-size:.95rem;font-weight:700;
 color:#cfe2ff;background:transparent;border:1px solid var(--line-2);
 transition:background .2s,border-color .2s,transform .2s,color .2s;
}
.btn-ghost:hover{background:rgba(63,140,255,.12);border-color:#6fc6ff;transform:translateY(-2px);color:#eaf4ff}
.btn-ghost:focus-visible{outline:2px solid #9fe8ff;outline-offset:3px}

/* ---------- hero ---------- */
.hero{
 position:relative;overflow:hidden;
 padding:64px 0 72px;
 background-image:linear-gradient(115deg,rgba(4,9,22,.95) 0%,rgba(6,16,38,.88) 48%,rgba(6,11,26,.93) 100%),url('/assets/images/backpic/back-2.webp');
 background-size:cover;background-position:center;
 border-bottom:1px solid var(--line);
}
.hero::after{
 content:"";position:absolute;inset:auto -10% -60% -10%;height:320px;
 background:radial-gradient(ellipse at center,rgba(56,224,208,.16),transparent 70%);
 pointer-events:none;
}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:.8rem;letter-spacing:.6px;
 color:#a8d4ff;background:rgba(63,140,255,.14);border:1px solid rgba(63,140,255,.36);
}
.hero h1{
 margin:20px 0 18px;
 font-size:clamp(1.72rem,3.4vw,2.6rem);
 line-height:1.28;
 letter-spacing:.5px;
 background:linear-gradient(120deg,#ffffff 12%,#a9d6ff 62%,#67e9db 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:660px;color:#b9cbe8;font-size:1rem;line-height:1.85}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.tag-pill{
 padding:6px 14px;border-radius:999px;font-size:.82rem;color:#b7d6f8;
 background:var(--panel);border:1px solid var(--line);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stat b{display:block;font-size:1.42rem;font-weight:800;color:#8fd3ff;line-height:1.2}
.hero-stat span{font-size:.82rem;color:var(--muted)}

.time-card{
 padding:26px 24px;border-radius:18px;
 background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.035));
 border:1px solid var(--line-2);
 box-shadow:var(--shadow);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
}
.time-card-head{display:flex;align-items:center;gap:9px;font-weight:800;font-size:.98rem;color:#dceaff}
.time-card-head i{color:var(--brand-2)}
.ring{
 --p:1;
 width:200px;height:200px;margin:22px auto 20px;border-radius:50%;
 background:conic-gradient(var(--brand-2) calc(var(--p) * 360deg),rgba(255,255,255,.08) 0);
 display:grid;place-items:center;position:relative;
 box-shadow:0 0 40px rgba(56,224,208,.28);
 transition:background .6s linear;
}
.ring::before{
 content:"";position:absolute;inset:9px;border-radius:50%;
 background:#081124;border:1px solid var(--line);
}
.ring-core{position:relative;text-align:center;display:grid;gap:2px}
.ring-core strong{font-size:2rem;font-weight:800;color:#eaf6ff;letter-spacing:1px;line-height:1.1}
.ring-core span{font-size:.76rem;color:var(--muted);letter-spacing:2px}
.hero-points{list-style:none;margin:0;padding:16px 0 0;border-top:1px solid var(--line);display:grid;gap:9px}
.hero-points li{display:flex;align-items:flex-start;gap:9px;font-size:.88rem;color:#bcd2ee;line-height:1.6}
.hero-points i{color:var(--brand-2);font-size:.95rem;margin-top:3px}

/* ---------- sections ---------- */
.sec{padding:74px 0;position:relative;scroll-margin-top:118px}
.sec-alt{
 background:linear-gradient(180deg,rgba(8,18,42,.72),rgba(6,11,26,.9));
 border-top:1px solid var(--line);
 border-bottom:1px solid var(--line);
}
.sec-head{max-width:780px;margin-bottom:38px}
.sec-title{
 font-size:clamp(1.32rem,2.3vw,1.72rem);
 font-weight:800;letter-spacing:.4px;margin:0 0 12px;line-height:1.4;
}
.sec-title::before{
 content:"";display:inline-block;width:6px;height:22px;border-radius:3px;
 background:linear-gradient(180deg,var(--brand),var(--brand-2));
 margin-right:12px;vertical-align:-3px;
}
.sec-sub{margin:0;color:var(--muted);font-size:.95rem;line-height:1.85}

/* ---------- cards ---------- */
.pain-card{
 height:100%;padding:24px 22px;border-radius:var(--radius);
 background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.028));
 border:1px solid var(--line);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:0 22px 44px rgba(3,10,28,.62);border-color:var(--line-2)}
.icon-badge{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:rgba(63,140,255,.16);border:1px solid rgba(63,140,255,.38);
 color:#8fd3ff;font-size:1.2rem;margin-bottom:16px;
}
.pain-card h3{font-size:1.02rem;font-weight:800;margin:0 0 10px;line-height:1.5}
.pain-card p{margin:0 0 14px;color:var(--muted);font-size:.9rem;line-height:1.78}
.card-tag{
 display:inline-block;padding:4px 11px;border-radius:999px;font-size:.75rem;
 color:#9fd2ff;background:rgba(56,224,208,.1);border:1px solid rgba(56,224,208,.3);
}

.figure{
 border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow);background:rgba(255,255,255,.03);
}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}

.solution-list{display:grid;gap:16px}
.solution-item{
 display:flex;gap:14px;padding:20px 20px;border-radius:var(--radius-sm);
 background:var(--panel);border:1px solid var(--line);
 transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.solution-item:hover{transform:translateY(-3px);border-color:var(--line-2);background:var(--panel-2)}
.solution-item i{font-size:1.2rem;color:var(--brand-2);margin-top:3px}
.solution-item h3{margin:0 0 6px;font-size:1rem;font-weight:800}
.solution-item p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.78}

/* ---------- steps ---------- */
.timeline{position:relative;padding-left:26px;border-left:1px dashed rgba(120,170,255,.3)}
.step-item{position:relative;padding:0 0 30px 20px}
.step-item:last-child{padding-bottom:0}
.step-item::before{
 content:"";position:absolute;left:-33px;top:5px;width:14px;height:14px;border-radius:50%;
 background:var(--bg);border:2px solid var(--brand-2);box-shadow:0 0 14px rgba(56,224,208,.65);
}
.step-num{font-size:.76rem;letter-spacing:2.4px;color:#7fd7ff;font-weight:800}
.step-item h3{font-size:1.06rem;font-weight:800;margin:6px 0 8px;line-height:1.5}
.step-item p{margin:0;color:var(--muted);font-size:.93rem;line-height:1.8}

/* ---------- results ---------- */
.result-item{padding:16px 0;border-bottom:1px solid var(--line)}
.result-item:last-child{border-bottom:0;padding-bottom:0}
.result-item b{display:block;font-size:1.02rem;color:#dcebff;margin-bottom:6px;font-weight:800}
.result-item p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.78}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.kpi{
 padding:20px 16px;border-radius:var(--radius-sm);text-align:center;
 background:rgba(63,140,255,.09);border:1px solid rgba(63,140,255,.28);
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.kpi:hover{background:rgba(63,140,255,.15);border-color:var(--line-2);transform:translateY(-3px)}
.kpi b{display:block;font-size:1.48rem;font-weight:800;color:#8fd3ff;line-height:1.2}
.kpi span{font-size:.8rem;color:var(--muted)}

/* ---------- quotes ---------- */
.quote-card{
 height:100%;padding:24px 22px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:0 22px 44px rgba(3,10,28,.6);border-color:var(--line-2)}
.quote-card p{margin:0;color:#c6d8f2;font-size:.94rem;line-height:1.82}
.quote-meta{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.avatar{
 width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04121f;font-weight:800;font-size:.85rem;
}
.quote-meta span{font-size:.82rem;color:var(--muted)}

/* ---------- audience ---------- */
.aud-item{
 display:flex;gap:14px;padding:22px 20px;height:100%;border-radius:var(--radius);
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.aud-item:hover{transform:translateY(-3px);border-color:var(--line-2);background:var(--panel-2)}
.aud-item i{font-size:1.15rem;color:var(--brand-2);margin-top:4px}
.aud-item h3{margin:0 0 8px;font-size:1rem;font-weight:800}
.aud-item p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.78}

/* ---------- news ---------- */
.news-list{display:grid;gap:14px}
.news-item{
 display:flex;gap:18px;padding:16px;border-radius:var(--radius);
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.news-item:hover{
 transform:translateY(-3px);border-color:var(--line-2);
 background:rgba(255,255,255,.07);box-shadow:0 18px 36px rgba(3,10,28,.5);
}
.news-thumb{width:158px;flex:0 0 158px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.news-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.news-body{min-width:0;flex:1}
.news-body h3{font-size:1rem;font-weight:800;margin:0 0 7px;line-height:1.5;color:#e9f0ff}
.news-body p{margin:0 0 10px;font-size:.88rem;color:var(--muted);line-height:1.72}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.76rem;color:#7f93b5}
.news-meta i{margin-right:4px}
.news-empty{
 padding:26px 22px;border-radius:var(--radius);text-align:center;
 background:rgba(255,255,255,.04);border:1px dashed var(--line);color:var(--muted);font-size:.92rem;
}

/* ---------- faq ---------- */
.acc-item{
 border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;
 margin-bottom:12px;background:rgba(255,255,255,.04);transition:border-color .2s ease,background .2s ease;
}
.acc-item:hover{border-color:var(--line-2);background:rgba(255,255,255,.06)}
.acc-btn{
 width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:16px 20px;min-height:44px;background:none;border:0;color:var(--text);
 font-size:.98rem;font-weight:700;text-align:left;cursor:pointer;
}
.acc-btn i{color:var(--brand-2);font-size:1rem;transition:transform .22s ease}
.acc-btn[aria-expanded="true"] i{transform:rotate(180deg)}
.acc-btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:-2px}
.acc-panel{display:none;padding:0 20px 18px;color:var(--muted);font-size:.92rem;line-height:1.8}
.acc-panel.open{display:block}

/* ---------- cta ---------- */
.cta-band{
 position:relative;overflow:hidden;text-align:center;
 padding:58px 34px;border-radius:20px;
 background-image:linear-gradient(120deg,rgba(6,14,34,.92),rgba(8,26,52,.86)),url('/assets/images/backpic/back-5.webp');
 background-size:cover;background-position:center;
 border:1px solid var(--line-2);
 box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:800;margin:0 0 14px}
.cta-band p{max-width:640px;margin:0 auto 26px;color:#b9cbe8;font-size:.96rem;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ---------- footer ---------- */
.site-footer{
 border-top:1px solid var(--line);
 background:rgba(4,9,22,.94);
 padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;margin-bottom:14px}
.footer-text{color:var(--muted);font-size:.87rem;line-height:1.82;margin:0;max-width:300px}
.footer-col h4{font-size:.9rem;font-weight:800;margin:0 0 14px;color:#dbe9ff;letter-spacing:.5px}
.footer-col a,.footer-col span{display:block;font-size:.85rem;color:var(--muted);padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#8fd3ff;transform:translateX(3px)}
.footer-col a:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
 font-size:.8rem;color:#7f93b5;
}

/* ---------- responsive ---------- */
@media (max-width:991.98px){
 .nav-grid{display:none;flex-direction:column;align-items:stretch;gap:6px;padding:6px 0 14px}
 .nav-grid.open{display:flex}
 .nav-link-icon{width:100%;justify-content:flex-start;padding:11px 14px}
 .hero{padding:52px 0 60px}
 .time-card{margin-top:8px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767.98px){
 .sec{padding:56px 0}
 .hero-stats{gap:22px}
 .kpi-grid{grid-template-columns:repeat(2,1fr)}
 .news-item{flex-direction:column;gap:14px}
 .news-thumb{width:100%;flex:0 0 auto}
 .ring{width:180px;height:180px}
 .ring-core strong{font-size:1.72rem}
 .cta-band{padding:44px 24px}
}
@media (max-width:519.98px){
 .brand-text small{display:none}
 .hero h1{font-size:1.62rem}
 .hero-stats{gap:18px}
 .hero-stat b{font-size:1.24rem}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%}
}

/* roulang page: category3 */
:root{
 --bg:#060b1a;
 --bg-2:#08122a;
 --bg-3:#0b1834;
 --panel:rgba(255,255,255,.05);
 --panel-2:rgba(255,255,255,.08);
 --line:rgba(120,170,255,.18);
 --line-2:rgba(120,200,255,.45);
 --text:#e9f0ff;
 --muted:#93a6c9;
 --brand:#3f8cff;
 --brand-2:#38e0d0;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px rgba(3,10,28,.55);
 --glow:0 0 26px rgba(63,140,255,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:
 radial-gradient(1100px 620px at 12% -8%,rgba(63,140,255,.20),transparent 62%),
 radial-gradient(900px 560px at 92% 6%,rgba(56,224,208,.13),transparent 60%),
 var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0}
.shell{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(6,11,26,.86);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
 box-shadow:0 10px 30px rgba(2,8,22,.45);
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-size:1.06rem;font-weight:800;letter-spacing:.5px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#04121f;font-size:1.02rem;font-weight:900;
 box-shadow:0 8px 22px rgba(63,140,255,.45);
}
.brand small{display:block;font-size:.68rem;font-weight:500;color:var(--muted);letter-spacing:1.6px;line-height:1}
.brand-text{display:flex;flex-direction:column;gap:2px}
.nav-toggle{
 width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);background:var(--panel);color:var(--text);
 display:grid;place-items:center;font-size:1.25rem;transition:.2s;
}
.nav-toggle:hover{background:var(--panel-2);border-color:var(--line-2)}
.nav-grid{display:flex;align-items:center;gap:8px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none}
.nav-grid::-webkit-scrollbar{display:none}
.nav-link-icon{
 display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
 padding:9px 15px;border-radius:10px;font-size:.94rem;color:var(--muted);
 border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,box-shadow .2s;
}
.nav-link-icon i{font-size:1.02rem}
.nav-link-icon:hover{color:#dcebff;background:var(--panel);border-color:var(--line)}
.nav-link-icon.active{
 color:#d8ebff;
 background:rgba(63,140,255,.16);
 border-color:rgba(63,140,255,.46);
 box-shadow:0 0 18px rgba(63,140,255,.28) inset;
}
.btn-glow{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border:0;border-radius:10px;
 font-size:.95rem;font-weight:800;color:#04121f;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 10px 26px rgba(56,140,255,.38);
 transition:transform .2s,box-shadow .2s,filter .2s;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(56,224,208,.42);color:#04121f}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:10px 20px;border-radius:10px;font-size:.95rem;font-weight:700;
 color:#cfe2ff;background:transparent;border:1px solid var(--line-2);
 transition:background .2s,border-color .2s,transform .2s,color .2s;
}
.btn-ghost:hover{background:rgba(63,140,255,.12);border-color:#6fc6ff;transform:translateY(-2px);color:#eaf4ff}
a:focus-visible,button:focus-visible,summary:focus-visible{
 outline:2px solid var(--brand-2);outline-offset:3px;border-radius:8px;
}
/* ---------- hero ---------- */
.hero{
 position:relative;overflow:hidden;
 padding:64px 0 78px;
 background-image:linear-gradient(115deg,rgba(4,9,22,.95) 0%,rgba(6,16,38,.88) 48%,rgba(6,11,26,.94) 100%),url('/assets/images/backpic/back-3.webp');
 background-size:cover;background-position:center;
 border-bottom:1px solid var(--line);
}
.hero::after{
 content:"";position:absolute;inset:auto -10% -60% -10%;height:340px;
 background:radial-gradient(ellipse at center,rgba(56,224,208,.16),transparent 70%);
 pointer-events:none;
}
.hero-copy{position:relative;z-index:1;max-width:840px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:.8rem;letter-spacing:.6px;
 color:#a8d4ff;background:rgba(63,140,255,.14);border:1px solid rgba(63,140,255,.36);
}
.hero h1{
 margin:20px 0 16px;
 font-size:clamp(1.75rem,3.3vw,2.6rem);
 line-height:1.32;
 letter-spacing:.5px;
 background:linear-gradient(120deg,#ffffff 12%,#a9d6ff 62%,#67e9db 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:740px;color:#b9cbe8;font-size:1rem;line-height:1.85}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.tag-pill{
 padding:6px 14px;border-radius:999px;font-size:.82rem;color:#b7d6f8;
 background:var(--panel);border:1px solid var(--line);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- before / after ---------- */
.compare{
 position:relative;z-index:1;
 display:grid;grid-template-columns:1fr 56px 1fr;gap:16px;
 margin-top:46px;align-items:stretch;
}
.compare-card{
 padding:22px 22px 20px;border-radius:var(--radius);
 background:rgba(10,20,44,.72);border:1px solid var(--line);
 backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
 box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.compare-card:hover{transform:translateY(-3px);box-shadow:0 26px 54px rgba(3,10,28,.72)}
.compare-card.is-before{border-color:rgba(147,166,201,.3)}
.compare-card.is-after{border-color:rgba(56,224,208,.45);box-shadow:0 18px 44px rgba(3,10,28,.55),0 0 26px rgba(56,224,208,.16)}
.compare-card h3{font-size:1rem;font-weight:800;display:flex;align-items:center;gap:9px}
.compare-card h3 i{font-size:1.05rem}
.is-before h3 i{color:#93a6c9}
.is-after h3 i{color:var(--brand-2)}
.cc-note{font-size:.82rem;color:var(--muted);margin:6px 0 15px}
.compare-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.compare-list li{display:flex;gap:10px;font-size:.9rem;color:#b7c9e6;line-height:1.7}
.compare-list li i{flex:0 0 auto;margin-top:4px;font-size:.9rem}
.is-before .compare-list i{color:#7e90ae}
.is-after .compare-list i{color:var(--brand-2)}
.vs-badge{
 align-self:center;justify-self:center;
 width:56px;height:56px;border-radius:50%;
 display:grid;place-items:center;
 font-size:.8rem;font-weight:900;letter-spacing:.5px;color:#04121f;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:var(--glow);
}
/* ---------- section ---------- */
.sec{padding:72px 0;position:relative;scroll-margin-top:140px}
.sec-alt{
 background:linear-gradient(180deg,rgba(11,24,52,.72),rgba(6,11,26,.15));
 border-top:1px solid var(--line);
 border-bottom:1px solid var(--line);
}
.sec-head{max-width:800px;margin-bottom:36px}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:.76rem;letter-spacing:1.6px;color:#7fb4ec;font-weight:700;
}
.sec-kicker i{font-size:.95rem}
.sec-line{width:38px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));margin:12px 0 14px}
.sec-title{font-size:clamp(1.35rem,2.2vw,1.8rem);font-weight:800;letter-spacing:.4px;line-height:1.42}
.sec-sub{margin-top:12px;color:var(--muted);font-size:.95rem;line-height:1.85}
/* ---------- grids & cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.dl-card{
 display:flex;flex-direction:column;height:100%;
 padding:22px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);
 transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;
}
.dl-card:hover{
 transform:translateY(-4px);
 border-color:var(--line-2);
 background:var(--panel-2);
 box-shadow:0 24px 48px rgba(3,10,28,.66);
}
.dl-icon{
 width:44px;height:44px;border-radius:12px;
 display:grid;place-items:center;font-size:1.2rem;color:#bfe6ff;
 background:rgba(63,140,255,.16);border:1px solid rgba(63,140,255,.32);
 margin-bottom:14px;
}
.dl-card h3{font-size:1rem;font-weight:800;margin-bottom:8px}
.dl-card p{font-size:.88rem;color:var(--muted);line-height:1.8;flex:1}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.meta-pill{
 font-size:.75rem;padding:4px 10px;border-radius:999px;
 color:#a9c6e8;background:rgba(255,255,255,.05);border:1px solid var(--line);
}
/* ---------- steps ---------- */
.steps{display:grid;margin-top:6px}
.step{display:grid;grid-template-columns:56px 1fr;gap:18px;padding-bottom:28px;position:relative}
.step:last-child{padding-bottom:0}
.step::before{
 content:"";position:absolute;left:27px;top:56px;bottom:4px;width:1px;
 background:linear-gradient(180deg,rgba(63,140,255,.55),rgba(56,224,208,.06));
}
.step:last-child::before{display:none}
.step-num{
 width:52px;height:52px;border-radius:14px;
 display:grid;place-items:center;font-weight:800;font-size:1.02rem;color:#d7ecff;
 background:rgba(63,140,255,.14);border:1px solid rgba(63,140,255,.36);
 box-shadow:inset 0 0 18px rgba(63,140,255,.2);
}
.step-body h3{font-size:1rem;font-weight:800;margin-bottom:6px}
.step-body p{font-size:.9rem;color:var(--muted);line-height:1.85}
.step-body code{
 font-size:.82rem;color:#8fd3ff;background:rgba(63,140,255,.12);
 border:1px solid var(--line);border-radius:6px;padding:2px 7px;
 word-break:break-all;
}
/* ---------- metrics ---------- */
.metrics{
 padding:30px;border-radius:var(--radius);
 background:linear-gradient(135deg,rgba(63,140,255,.14),rgba(56,224,208,.08)),rgba(8,18,42,.85);
 border:1px solid var(--line);
 display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
 box-shadow:var(--shadow);
}
.metric b{display:block;font-size:1.65rem;font-weight:800;color:#8fd3ff;letter-spacing:.5px;line-height:1.3}
.metric span{display:block;margin-top:4px;font-size:.84rem;color:var(--muted)}
.metric-note{margin-top:18px;font-size:.86rem;color:var(--muted);line-height:1.8}
/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:center}
.split-media{
 border-radius:var(--radius);overflow:hidden;
 border:1px solid var(--line);box-shadow:var(--shadow);
}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:15px}
.check-list li{display:flex;gap:12px;font-size:.92rem;color:#bccfe8;line-height:1.8}
.check-list i{color:var(--brand-2);font-size:1.05rem;margin-top:4px;flex:0 0 auto}
.check-list b{color:#e6f1ff;font-weight:800}
/* ---------- timeline ---------- */
.timeline{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.tl-item{
 padding:18px 20px;border-radius:var(--radius-sm);
 background:var(--panel);border:1px solid var(--line);
 display:grid;grid-template-columns:132px 1fr;gap:18px;
 transition:background .2s,border-color .2s,transform .2s;
}
.tl-item:hover{background:var(--panel-2);border-color:var(--line-2);transform:translateX(3px)}
.tl-ver{font-weight:800;color:#8fd3ff;font-size:.94rem}
.tl-ver small{display:block;font-weight:500;color:var(--muted);font-size:.75rem;margin-top:4px;letter-spacing:.4px}
.tl-item p{font-size:.9rem;color:#b7c9e6;line-height:1.8}
/* ---------- faq ---------- */
.faq{display:grid;gap:12px}
.faq-item{
 border:1px solid var(--line);border-radius:var(--radius-sm);
 background:var(--panel);padding:0 18px;transition:background .2s,border-color .2s;
}
.faq-item[open]{border-color:var(--line-2);background:rgba(63,140,255,.08)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:16px 0;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 font-weight:700;font-size:.95rem;color:#e2edff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--brand-2);flex:0 0 auto;transition:transform .2s}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-body{padding:0 0 18px;font-size:.9rem;color:var(--muted);line-height:1.9}
/* ---------- cta ---------- */
.cta-band{
 padding:44px 36px;border-radius:18px;
 background:linear-gradient(120deg,rgba(63,140,255,.22),rgba(56,224,208,.12)),rgba(8,18,42,.92);
 border:1px solid var(--line-2);
 box-shadow:0 24px 60px rgba(3,10,28,.62);
 display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.cta-band h2{font-size:clamp(1.25rem,2vw,1.6rem);font-weight:800;line-height:1.4}
.cta-band p{color:#b6cae6;font-size:.92rem;margin-top:10px;max-width:640px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- footer ---------- */
.site-footer{
 margin-top:0;padding:56px 0 26px;
 background:linear-gradient(180deg,rgba(8,18,42,.7),rgba(4,8,20,.95));
 border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;margin-bottom:14px}
.footer-text{font-size:.88rem;color:var(--muted);line-height:1.85;max-width:300px}
.footer-col h4{font-size:.9rem;font-weight:800;color:#dcebff;margin-bottom:14px;letter-spacing:.4px}
.footer-col a,.footer-col span{display:block;font-size:.86rem;color:var(--muted);margin-bottom:9px;transition:color .2s,transform .2s}
.footer-col a:hover{color:#8fd3ff;transform:translateX(3px)}
.footer-bottom{
 margin-top:36px;padding-top:18px;border-top:1px solid var(--line);
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 font-size:.8rem;color:#7e90ae;
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .metrics{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991.98px){
 .nav-grid{
  flex-wrap:wrap;max-height:0;overflow:hidden;opacity:0;padding:0;
  transition:max-height .32s ease,opacity .24s ease,padding .32s ease;
 }
 .nav-grid.is-open{max-height:340px;opacity:1;padding:0 0 14px}
 .compare{grid-template-columns:1fr;gap:14px}
 .vs-badge{width:46px;height:46px;font-size:.72rem;margin:-2px auto}
}
@media (max-width:768px){
 .sec{padding:54px 0}
 .hero{padding:48px 0 60px}
 .grid-3,.grid-2{grid-template-columns:1fr}
 .tl-item{grid-template-columns:1fr;gap:8px}
 .cta-band{padding:30px 22px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .hero-lead{font-size:.95rem}
}
@media (max-width:520px){
 .grid-4{grid-template-columns:1fr}
 .metrics{grid-template-columns:1fr;padding:22px;gap:18px}
 .step{grid-template-columns:44px 1fr;gap:14px}
 .step-num{width:42px;height:42px;border-radius:12px;font-size:.92rem}
 .step::before{left:21px;top:46px}
 .compare-card{padding:18px}
 .brand small{display:none}
 .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}