/* roulang page: index */
:root{
  --bg:#060B16;
  --bg-2:#0A1424;
  --bg-3:#081426;
  --card:rgba(16,30,52,.55);
  --card-solid:#0E1B2E;
  --brand-900:#123A70;
  --brand-700:#1B4B8F;
  --brand:#2E7BFF;
  --cyan:#3FE0C8;
  --orange:#FF7A2F;
  --text:#E8F0FA;
  --text-2:#9FB2CC;
  --text-3:#6E829B;
  --line:rgba(140,180,230,.14);
  --line-2:rgba(140,180,230,.08);
  --line-hover:rgba(63,224,200,.45);
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-glow:0 0 0 1px rgba(63,224,200,.35),0 8px 28px rgba(63,224,200,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1200px;
  --font-sans:"HarmonyOS Sans SC",MiSans,"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-num:"Chakra Petch",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bs-body-bg:#060B16;
  --bs-body-color:#E8F0FA;
  --bs-border-color:rgba(140,180,230,.14);
  --bs-primary:#2E7BFF;
  --bs-link-color:#3FE0C8;
  --bs-link-hover-color:#3FE0C8;
  --bs-font-sans-serif:"HarmonyOS Sans SC",MiSans,"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--cyan);}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:.01em;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{max-width:var(--maxw);width:100%;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(6,11,22,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-2);
  transition:background .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,11,22,.96);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px rgba(0,0,0,.45);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:10px;background:rgba(46,123,255,.12);border:1px solid rgba(63,224,200,.28);box-shadow:inset 0 1px 0 rgba(255,255,255,.06);}
.brand-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--cyan);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-item{
  position:relative;padding:10px 14px;font-size:15px;color:var(--text-2);
  border-radius:8px;white-space:nowrap;
}
.nav-item::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;
  background:var(--cyan);border-radius:2px;
  transition:left .24s var(--ease),right .24s var(--ease);
}
.nav-item:hover{color:var(--text);}
.nav-item:hover::after{left:14px;right:14px;}
.nav-item.active{color:var(--text);}
.nav-item.active::after{left:14px;right:14px;}
.nav-actions{display:flex;align-items:center;gap:12px;position:relative;}
.search-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text-2);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .22s var(--ease);
}
.search-toggle:hover{color:var(--cyan);border-color:var(--line-hover);}
.search-panel{
  position:absolute;top:52px;right:0;width:320px;
  background:rgba(10,20,36,.96);border:1px solid var(--line);
  border-radius:14px;padding:12px;box-shadow:var(--shadow);
  display:none;
}
.search-panel.is-open{display:block;}
.search-panel input{
  width:100%;background:rgba(8,18,34,.7);border:1px solid var(--line);
  border-radius:var(--r-input);color:var(--text);padding:11px 14px;font-size:14px;
}
.search-panel input::placeholder{color:var(--text-3);}
.search-panel input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(63,224,200,.14);}
.mobile-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text);cursor:pointer;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .24s var(--ease);white-space:nowrap;text-decoration:none;
}
.btn-cta{
  background:linear-gradient(135deg,#FF8A45 0%,#FF6A1F 100%);
  color:#05121F;
  box-shadow:0 8px 24px rgba(255,122,47,.26),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-cta:hover{filter:brightness(1.08);transform:translateY(-1px);color:#05121F;}
.btn-cta:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--cyan);}
.btn-ghost:hover{background:rgba(63,224,200,.08);border-color:var(--line-hover);color:var(--cyan);transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm-cta{min-height:40px;padding:9px 18px;font-size:14px;}
.nav-cta{display:inline-flex;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--cyan);
}
.link-arrow i{transition:transform .24s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ Drawer ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,7,14,.72);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82%;max-width:340px;z-index:1060;
  background:rgba(8,16,30,.96);backdrop-filter:blur(16px) saturate(140%);
  border-left:1px solid var(--line);padding:20px 20px 32px;
  transform:translateX(100%);transition:transform .3s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line-2);}
.drawer-close{background:transparent;border:none;color:var(--text-2);font-size:26px;line-height:1;cursor:pointer;}
.drawer-close:hover{color:var(--cyan);}
.drawer-nav{margin-top:8px;}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line-2);padding:0 6px;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--cyan);background:rgba(63,224,200,.06);}
.drawer-search{display:flex;gap:8px;margin-top:20px;}
.drawer-search input{
  flex:1;background:rgba(8,18,34,.7);border:1px solid var(--line);border-radius:var(--r-input);
  color:var(--text);padding:11px 12px;font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--cyan);}
.drawer-search button{
  border:1px solid var(--line);background:transparent;color:var(--cyan);
  border-radius:var(--r-input);padding:0 14px;cursor:pointer;font-size:14px;
}
.drawer-cta{width:100%;margin-top:18px;}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 88px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 340px at 78% 18%,rgba(63,224,200,.10),transparent 70%),
             radial-gradient(700px 380px at 12% 8%,rgba(46,123,255,.14),transparent 72%);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:56px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(63,224,200,.12);color:var(--cyan);
  font-size:13px;font-weight:600;border:1px solid rgba(63,224,200,.22);
}
.hero-title{
  margin-top:22px;
  font-size:clamp(30px,4.2vw,52px);
  font-weight:700;
  line-height:1.22;
  max-width:15em;
}
.hero-title em{font-style:normal;color:var(--cyan);}
.hero-sub{
  margin-top:20px;font-size:17px;color:var(--text-2);max-width:32em;line-height:1.8;
}
.hero-cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;
  padding-top:26px;border-top:1px solid var(--line-2);
}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats strong{
  font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--text);letter-spacing:.02em;
}
.hero-stats span{font-size:13px;color:var(--text-3);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:5/4;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.float-card{
  position:absolute;right:-8px;bottom:-26px;width:262px;
  background:rgba(14,27,46,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 18px 16px;box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.float-label{display:block;font-size:12px;color:var(--text-3);letter-spacing:.06em;}
.float-card strong{display:block;margin-top:6px;font-size:17px;color:var(--cyan);font-weight:700;}
.float-card p{margin-top:8px;font-size:13px;color:var(--text-2);line-height:1.7;}
.hero-glow{
  position:absolute;left:-60px;top:-40px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,224,200,.18),transparent 68%);
  filter:blur(120px);pointer-events:none;
}

/* ============ Sections ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--cyan);letter-spacing:.08em;text-transform:uppercase;
}
.section-eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);}
.section-title{
  margin-top:14px;font-size:clamp(24px,2.8vw,36px);font-weight:700;line-height:1.3;
}
.section-desc{margin-top:16px;font-size:16px;color:var(--text-2);max-width:44em;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ============ Services (misaligned grid) ============ */
.svc-layout{
  display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  grid-template-rows:auto auto;gap:24px;margin-top:52px;
}
.svc-feature{
  grid-row:1 / span 2;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:0;overflow:hidden;display:flex;flex-direction:column;
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.svc-feature:hover{border-color:var(--line-hover);transform:translateY(-4px);}
.svc-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line-2);}
.svc-feature-body{padding:28px 30px 32px;}
.svc-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,122,47,.12);color:var(--orange);
}
.svc-feature h3{margin-top:16px;font-size:22px;font-weight:600;}
.svc-feature p{margin-top:12px;color:var(--text-2);font-size:15.5px;}
.svc-points{margin-top:22px;display:grid;gap:12px;}
.svc-points li{
  position:relative;padding-left:22px;font-size:15px;color:var(--text-2);
}
.svc-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--cyan);opacity:.8;
}
.svc-mini{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 26px 24px;
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.svc-mini:hover{border-color:var(--line-hover);transform:translateY(-4px);}
.svc-mini i{font-size:20px;color:var(--cyan);}
.svc-mini h3{margin-top:14px;font-size:19px;font-weight:600;}
.svc-mini p{margin-top:10px;font-size:14.5px;color:var(--text-2);}
.svc-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:32px;
  border-top:1px solid var(--line-2);
}
.svc-strip li{
  padding:26px 24px 4px 26px;border-left:1px solid var(--line-2);
}
.svc-strip li:first-child{border-left:none;padding-left:0;}
.svc-strip .num{
  font-family:var(--font-num);font-size:15px;color:var(--cyan);letter-spacing:.1em;
}
.svc-strip h4{font-size:17px;font-weight:600;margin-top:10px;}
.svc-strip p{margin-top:8px;font-size:14px;color:var(--text-2);}

/* ============ Stats band ============ */
.stats-band{
  background:var(--bg-2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);
  padding:72px 0;
}
.stats-band .section-title{max-width:22em;}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px;
}
.stats-grid li{
  padding:0 26px 24px;border-left:1px solid var(--line-2);
}
.stats-grid li:first-child{border-left:none;padding-left:0;}
.stats-grid .figure{
  font-family:var(--font-num);font-size:clamp(36px,4vw,52px);font-weight:700;
  color:var(--text);letter-spacing:.02em;line-height:1.1;
  border-bottom:1px solid var(--line-2);padding-bottom:18px;display:block;
}
.stats-grid .figure span{font-size:20px;color:var(--cyan);margin-left:4px;}
.stats-grid h3{margin-top:18px;font-size:17px;font-weight:600;}
.stats-grid p{margin-top:8px;font-size:14px;color:var(--text-2);}

/* ============ Zigzag cases ============ */
.zigzag{display:grid;gap:64px;margin-top:56px;}
.zig-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;align-items:center;
}
.zig-row:nth-child(even) .zig-media{order:2;}
.zig-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.zig-media img:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-glow);}
.zig-body h3{font-size:22px;font-weight:600;}
.zig-body p{margin-top:14px;color:var(--text-2);font-size:15.5px;}
.zig-body .link-arrow{margin-top:20px;}

/* ============ Plans band ============ */
.plans{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:56px;
}
.plan{
  padding:30px 26px 26px;border-top:2px solid rgba(46,123,255,.55);
  background:linear-gradient(180deg,rgba(16,30,52,.5),rgba(16,30,52,.16));
  border-radius:0 0 var(--r-card) var(--r-card);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.plan:hover{transform:translateY(-4px);border-top-color:var(--cyan);}
.plan h3{font-size:20px;font-weight:600;}
.plan .plan-note{margin-top:10px;font-size:14px;color:var(--text-3);}
.plan ul{margin-top:22px;display:grid;gap:12px;}
.plan ul li{
  position:relative;padding-left:20px;font-size:15px;color:var(--text-2);
}
.plan ul li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
}
.plan .plan-foot{
  margin-top:26px;padding-top:18px;border-top:1px solid var(--line-2);
  font-size:13px;color:var(--text-3);
}

/* ============ News / CMS ============ */
.news-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:48px;
}
.news-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow);}
.news-thumb{display:block;overflow:hidden;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.news-badge{
  align-self:flex-start;font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(46,123,255,.14);color:#8DBBFF;
}
.news-title{margin-top:14px;font-size:18px;font-weight:600;line-height:1.5;}
.news-title a{display:block;}
.news-title a:hover{color:var(--cyan);}
.news-desc{
  margin-top:10px;font-size:14.5px;color:var(--text-2);flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);font-family:var(--font-num);
}
.news-card:hover .news-meta{color:var(--text-2);}
.news-empty{
  margin-top:48px;min-height:220px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:36px 24px;
}
.news-empty i{font-size:26px;color:var(--cyan);}
.news-empty p{color:var(--text-2);font-size:15px;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:3fr 9fr;gap:48px;margin-top:52px;align-items:start;}
.faq-side h2{font-size:clamp(24px,2.8vw,34px);}
.faq-side p{margin-top:16px;font-size:15px;color:var(--text-2);}
.faq-list{display:grid;gap:14px;}
.faq-item{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cyan);
  transform:scaleY(0);transform-origin:top;transition:transform .26s var(--ease);
}
.faq-item[open]{border-color:var(--line-hover);background:rgba(18,34,58,.6);}
.faq-item[open]::before{transform:scaleY(1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;
  font-size:17px;font-weight:600;color:var(--text);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--cyan);transition:transform .26s var(--ease);
}
.faq-item[open] summary::after{content:"−";}
.faq-answer{padding:0 56px 22px 24px;font-size:15px;color:var(--text-2);}

/* ============ Contact ============ */
.contact-grid{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:32px;margin-top:52px;
}
.contact-card,.contact-form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 30px;box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.contact-list{display:grid;gap:20px;margin-top:26px;}
.contact-list li{display:flex;gap:14px;align-items:flex-start;}
.contact-list i{
  width:38px;height:38px;flex-shrink:0;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(63,224,200,.1);color:var(--cyan);font-size:15px;
}
.contact-list strong{display:block;font-size:15px;font-weight:600;}
.contact-list span{display:block;font-size:14px;color:var(--text-2);margin-top:2px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.form-label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.form-label .req{color:var(--orange);}
.form-control{
  width:100%;background:rgba(8,18,34,.7);border:1px solid var(--line);
  border-radius:var(--r-input);color:var(--text);padding:12px 14px;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{
  outline:none;border-color:var(--cyan);background:rgba(8,18,34,.92);
  box-shadow:0 0 0 4px rgba(63,224,200,.14);
}
select.form-control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#6E829B 50%),linear-gradient(135deg,#6E829B 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px;background-repeat:no-repeat;}
textarea.form-control{min-height:118px;resize:vertical;line-height:1.7;}
.form-note{margin-top:14px;font-size:13px;color:var(--text-3);}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(18,58,112,.55),rgba(10,20,36,.9));
  border:1px solid var(--line);border-radius:20px;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,224,200,.16),transparent 70%);filter:blur(60px);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);max-width:22em;position:relative;}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:34em;position:relative;}
.cta-band .btn{position:relative;}

/* ============ Footer ============ */
.site-footer{
  margin-top:96px;background:var(--bg-2);
  border-top:1px solid var(--line-2);padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:26em;}
.footer-col h3{
  font-size:14px;font-weight:600;position:relative;padding-left:14px;margin-bottom:20px;
}
.footer-col h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:2px;background:var(--cyan);border-radius:2px;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .sep{opacity:.5;}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .float-card{right:0;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .mobile-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .hero{padding:48px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-title{max-width:none;}
  .hero-visual img{aspect-ratio:16/10;}
  .float-card{position:static;width:100%;margin-top:18px;right:auto;bottom:auto;}
  .svc-layout{grid-template-columns:1fr;grid-template-rows:none;}
  .svc-feature{grid-row:auto;}
  .svc-strip{grid-template-columns:1fr;border-top:none;}
  .svc-strip li{border-left:none;padding:22px 0 0;border-top:1px solid var(--line-2);}
  .svc-strip li:first-child{padding-left:0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .stats-grid li{border-left:none;padding-left:0;}
  .zig-row{grid-template-columns:1fr;gap:28px;}
  .zig-row:nth-child(even) .zig-media{order:0;}
  .plans{grid-template-columns:1fr;gap:20px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .contact-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .hero-stats{gap:24px;}
  .hero-stats strong{font-size:24px;}
  .news-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .brand-text{font-size:15px;}
  .hero-cta-row .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
  .contact-card,.contact-form-card{padding:24px 20px;}
  .faq-item summary{padding-right:48px;font-size:16px;}
  .faq-answer{padding-right:24px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg:#060B16;
  --bg-2:#0A1424;
  --card:rgba(16,30,52,.55);
  --card-solid:#0E1B2E;
  --brand:#2E7BFF;
  --brand-deep:#1B4B8F;
  --cyan:#3FE0C8;
  --orange:#FF7A2F;
  --text:#E8F0FA;
  --text-body:#D5E2F2;
  --text-2:#9FB2CC;
  --text-3:#6E829B;
  --border:rgba(140,180,230,.14);
  --border-hover:rgba(63,224,200,.45);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-input:12px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-glow:0 0 0 1px rgba(63,224,200,.35), 0 8px 28px rgba(63,224,200,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --nav-h:68px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 480px at 82% -8%, rgba(63,224,200,.10), transparent 62%),
    radial-gradient(760px 420px at 6% 4%, rgba(46,123,255,.12), transparent 66%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:#7CF0DE;}
p{margin:0 0 16px;}
h1,h2,h3,h4{color:var(--text);margin:0;line-height:1.25;letter-spacing:.01em;font-weight:700;}
h3{font-size:21px;font-weight:600;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.mono{font-family:"Chakra Petch",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(6,11,22,.62);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border);
  transition:background .26s var(--ease), box-shadow .26s var(--ease);
}
.site-header.scrolled{
  background:rgba(6,11,22,.94);
  box-shadow:0 14px 34px rgba(0,0,0,.45);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:var(--nav-h);
}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(63,224,200,.08);
  border:1px solid rgba(63,224,200,.28);
  box-shadow:0 0 18px rgba(63,224,200,.18);
}
.brand-text{
  font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-item{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:8px;
  white-space:nowrap;
  transition:color .24s var(--ease);
}
.nav-item::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  background:var(--cyan);
  border-radius:2px;
  transform:scaleX(0);
  transition:transform .24s var(--ease);
}
.nav-item:hover{color:var(--text);}
.nav-item:hover::after{transform:scaleX(1);}
.nav-item.active{color:var(--text);font-weight:600;}
.nav-item.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.search-toggle{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--border);
  border-radius:12px;
  color:var(--text-2);
  cursor:pointer;
  transition:all .24s var(--ease);
}
.search-toggle:hover{color:var(--cyan);border-color:var(--border-hover);background:rgba(63,224,200,.06);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:all .24s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#FF9A4D 0%,#FF7A2F 52%,#F2601B 100%);
  color:#05121F;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 8px 22px rgba(255,122,47,.26);
}
.btn-primary:hover{
  color:#05121F;
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4), 0 12px 30px rgba(255,122,47,.38);
}
.btn-ghost{
  background:rgba(63,224,200,.04);
  border-color:var(--border);
  color:var(--cyan);
}
.btn-ghost:hover{
  background:rgba(63,224,200,.12);
  border-color:var(--border-hover);
  color:var(--cyan);
  transform:translateY(-1px);
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn:active{transform:scale(.98);}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--border);
  border-radius:12px;
  cursor:pointer;
  color:var(--text);
}
.menu-toggle span{
  display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;
}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.nav-search{
  display:none;
  border-top:1px solid var(--border);
  background:rgba(8,18,34,.9);
}
.nav-search.open{display:block;}
.nav-search .container{padding-top:14px;padding-bottom:14px;}
.nav-search form{display:flex;gap:10px;max-width:520px;}
.nav-search input{
  flex:1;height:44px;padding:0 16px;
  background:rgba(8,18,34,.7);
  border:1px solid var(--border);
  border-radius:999px;
  color:var(--text);
  transition:border-color .24s var(--ease), box-shadow .24s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(63,224,200,.14);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,7,14,.66);
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);
  z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82%;max-width:360px;
  background:rgba(9,17,31,.96);
  backdrop-filter:blur(16px) saturate(140%);
  border-left:1px solid var(--border);
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  z-index:95;
  padding:22px 20px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
  background:transparent;color:var(--text-2);cursor:pointer;
}
.drawer nav a{
  display:block;
  height:52px;
  line-height:52px;
  padding:0 12px;
  color:var(--text-2);
  font-size:16px;
  border-bottom:1px solid var(--border);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.drawer nav a:hover{background:rgba(63,224,200,.06);color:var(--text);}
.drawer nav a.active{color:var(--cyan);font-weight:600;}
.drawer .btn{width:100%;margin-top:20px;}
.drawer-search{margin-top:16px;}
.drawer-search input{
  width:100%;height:44px;padding:0 16px;
  background:rgba(8,18,34,.7);
  border:1px solid var(--border);border-radius:var(--radius-input);color:var(--text);
}

/* ============ 内页页头 ============ */
.page-head{
  position:relative;
  padding:52px 0 40px;
  border-bottom:1px solid var(--border);
  background-image:linear-gradient(180deg, rgba(6,11,22,.86) 0%, rgba(6,11,22,.96) 68%, var(--bg) 100%), url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  width:520px;height:520px;right:-160px;top:-220px;
  background:radial-gradient(circle, rgba(63,224,200,.18), transparent 66%);
  filter:blur(120px);
  pointer-events:none;
}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  margin-bottom:18px;
  overflow:hidden;
  white-space:nowrap;
}
.breadcrumb-line a{color:var(--text-2);}
.breadcrumb-line a:hover{color:var(--cyan);}
.breadcrumb-line .sep{color:var(--text-3);}
.breadcrumb-line .current{
  color:var(--text-2);
  max-width:46%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;
  font-size:13px;
  border-radius:999px;
  background:rgba(63,224,200,.12);
  color:var(--cyan);
  border:1px solid rgba(63,224,200,.24);
}
.badge-pill.blue{background:rgba(46,123,255,.12);color:#8EBBFF;border-color:rgba(46,123,255,.3);}
.badge-pill.orange{background:rgba(255,122,47,.12);color:#FFB183;border-color:rgba(255,122,47,.3);}
.page-head h1{
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.3;
  max-width:900px;
  overflow-wrap:anywhere;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  margin-top:18px;
  font-size:13px;
  color:var(--text-3);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block;}

/* ============ 主体布局 ============ */
.article-main{padding:56px 0 0;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:34px;
  align-items:start;
}
.panel{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.article-panel{padding:34px 32px 38px;}
.article-body{font-size:17px;line-height:1.9;color:var(--text-body);overflow-wrap:anywhere;}
.article-body h2{
  font-size:clamp(21px,2.3vw,27px);
  margin:44px 0 16px;
  padding-left:14px;
  border-left:3px solid var(--cyan);
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--text);}
.article-body h4{font-size:17px;margin:24px 0 10px;color:var(--text);}
.article-body p{margin:0 0 18px;color:var(--text-body);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0;}
.article-body ul li,.article-body ol li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  line-height:1.75;
  color:var(--text-body);
}
.article-body ul li::before{
  content:"";
  position:absolute;left:4px;top:12px;
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
}
.article-body ol{counter-reset:artlist;}
.article-body ol li::before{
  counter-increment:artlist;
  content:counter(artlist,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:"Chakra Petch",ui-monospace,monospace;
  font-size:13px;
  color:var(--cyan);
  line-height:1.9;
}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(63,224,200,.35);}
.article-body a:hover{color:#7CF0DE;}
.article-body strong{color:var(--text);font-weight:600;}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  border-left:3px solid var(--brand);
  background:rgba(46,123,255,.08);
  border-radius:0 12px 12px 0;
  color:var(--text);
}
.article-body img{
  width:100%;
  height:auto;
  border-radius:14px;
  border:1px solid var(--border);
  margin:24px 0;
  aspect-ratio:16/9;
  object-fit:cover;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
  white-space:nowrap;
}
.article-body table th,.article-body table td{
  border:1px solid var(--border);
  padding:12px 14px;
  text-align:left;
}
.article-body table th{background:rgba(46,123,255,.12);color:var(--text);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--border);margin:34px 0;}
.article-body code{
  font-family:"Chakra Petch",ui-monospace,monospace;
  font-size:14px;
  background:rgba(46,123,255,.14);
  color:#A9CCFF;
  padding:2px 7px;
  border-radius:6px;
}
.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--border);
  border-radius:14px;
  background:rgba(10,20,36,.5);
}
.empty-state h2{font-size:22px;margin-bottom:12px;border:0;padding:0;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* 侧栏 */
.sidebar{position:sticky;top:calc(var(--nav-h) + 20px);display:flex;flex-direction:column;gap:20px;}
.side-card{padding:22px 20px;}
.side-card h3{
  font-size:16px;
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;
  padding-left:12px;
  border-left:2px solid var(--cyan);
}
.side-list li{border-bottom:1px solid var(--border);}
.side-list li:last-child{border-bottom:0;}
.side-list a{
  display:flex;align-items:center;gap:10px;
  padding:12px 4px;
  font-size:14.5px;
  color:var(--text-2);
  transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.side-list a:hover{color:var(--cyan);padding-left:8px;}
.side-list .idx{
  font-family:"Chakra Petch",ui-monospace,monospace;
  font-size:12px;color:var(--text-3);
}
.side-mini{display:flex;flex-direction:column;gap:14px;}
.side-mini a{
  display:flex;gap:12px;
  align-items:center;
}
.side-mini img{
  width:76px;height:56px;object-fit:cover;border-radius:10px;border:1px solid var(--border);flex-shrink:0;
}
.side-mini span{font-size:14px;color:var(--text-2);line-height:1.55;}
.side-mini a:hover span{color:var(--cyan);}
.side-cta{
  background:linear-gradient(160deg, rgba(46,123,255,.16), rgba(63,224,200,.08));
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:24px 20px;
  text-align:center;
}
.side-cta h3{border:0;padding:0;justify-content:center;display:block;font-size:17px;margin-bottom:10px;}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* ============ 文末区 ============ */
.article-foot{margin-top:34px;padding-top:26px;border-top:1px solid var(--border);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:24px;}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:4px;}
.tag{
  font-size:13px;
  padding:5px 14px;
  border-radius:999px;
  border:1px solid var(--border);
  color:var(--text-2);
  transition:all .24s var(--ease);
}
.tag:hover{border-color:var(--border-hover);color:var(--cyan);background:rgba(63,224,200,.06);}
.prev-next{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:26px;}
.pn-item{
  border:1px solid var(--border);
  border-radius:14px;
  padding:18px 20px;
  background:rgba(10,20,36,.5);
  transition:all .24s var(--ease);
}
.pn-item:hover{border-color:var(--border-hover);transform:translateY(-3px);}
.pn-item .dir{font-size:12px;color:var(--text-3);display:block;margin-bottom:8px;letter-spacing:.06em;}
.pn-item span.t{font-size:15px;color:var(--text);line-height:1.6;}

/* ============ 相关推荐 ============ */
.section{padding:72px 0;}
.section-sm{padding:56px 0;}
.section-head{margin-bottom:34px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--cyan);
  letter-spacing:.08em;
  margin-bottom:12px;
}
.section-head h2{font-size:clamp(23px,2.6vw,32px);}
.section-head p{color:var(--text-2);margin-top:12px;max-width:720px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--border-hover);box-shadow:var(--shadow-glow);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.card:hover .card-media img{transform:scale(1.05);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(6,11,22,.72) 100%);
}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:17px;line-height:1.55;}
.card-body p{font-size:14px;color:var(--text-2);margin:0;line-height:1.7;}
.card-meta{
  display:flex;align-items:center;gap:12px;
  margin-top:auto;padding-top:6px;
  font-size:13px;color:var(--text-3);
}
.card-meta .badge-pill{padding:3px 10px;font-size:12px;}
.card-link{position:absolute;inset:0;z-index:2;}

/* ============ CTA 带 ============ */
.cta-band{
  margin:0 auto;
  border-radius:22px;
  border:1px solid var(--border);
  background:
    radial-gradient(700px 300px at 88% 10%, rgba(63,224,200,.16), transparent 62%),
    linear-gradient(140deg, rgba(27,75,143,.5), rgba(10,20,36,.86));
  padding:44px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);margin:0;max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,9fr);gap:34px;align-items:start;}
.faq-aside h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.faq-aside p{color:var(--text-2);font-size:15px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--border);
  border-radius:14px;
  background:rgba(10,20,36,.5);
  overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:18px 56px 18px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  transition:color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:18px;color:var(--cyan);line-height:1;
}
.faq-item[open]{border-color:var(--border-hover);background:rgba(16,30,52,.72);}
.faq-item[open] summary::after{content:"−";}
.faq-item[open] summary{color:var(--cyan);}
.faq-item .faq-body{
  padding:0 22px 20px 22px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}
.faq-item summary:hover{color:var(--cyan);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg, rgba(10,20,36,.6), rgba(6,11,22,.98));
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:34px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:340px;line-height:1.8;}
.footer-col h3{
  font-size:14px;font-weight:600;
  display:flex;align-items:center;gap:10px;
  margin-bottom:18px;
}
.footer-col h3::before{
  content:"";width:3px;height:16px;border-radius:2px;background:var(--cyan);display:inline-block;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .sep{margin:0 6px;color:var(--text-3);}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{padding:0 20px;}
  .article-panel{padding:30px 26px 32px;}
}
@media (max-width:992px){
  :root{--nav-h:62px;}
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .search-toggle{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .sidebar{position:static;top:auto;}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .cta-band{padding:34px 26px;}
  .article-main{padding:40px 0 0;}
}
@media (max-width:768px){
  .page-head{padding:38px 0 30px;}
  .article-panel{padding:24px 18px 28px;}
  .prev-next{grid-template-columns:minmax(0,1fr);}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .breadcrumb-line .current{max-width:38%;}
  .article-body{font-size:16px;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-text{font-size:15px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .btn{padding:0 18px;}
  .meta-row{gap:12px;}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg:#060B16;
  --bg-2:#0A1424;
  --card:rgba(16,30,52,.55);
  --brand-900:#1B4B8F;
  --brand:#2E7BFF;
  --accent:#3FE0C8;
  --accent-2:#FF7A2F;
  --text:#E8F0FA;
  --text-2:#9FB2CC;
  --text-3:#6E829B;
  --line:rgba(140,180,230,.14);
  --line-hover:rgba(63,224,200,.45);
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(63,224,200,.35),0 8px 28px rgba(63,224,200,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Chakra Petch",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font-cn);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--bg-2);color:var(--accent);padding:10px 18px;z-index:2000}
.skip-link:focus{left:12px;top:12px}

.container{max-width:1200px;padding:0 24px;margin:0 auto;width:100%}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),filter .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#FF7A2F,#FF5A1F);color:#05121F;
  box-shadow:0 8px 24px rgba(255,122,47,.26),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 12px 30px rgba(255,122,47,.36),inset 0 1px 0 rgba(255,255,255,.4);color:#05121F}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  background:rgba(63,224,200,.04);border-color:rgba(140,180,230,.22);color:var(--accent);
}
.btn-ghost:hover{background:rgba(63,224,200,.1);border-color:var(--line-hover);transform:translateY(-1px);color:var(--accent)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:15px;font-weight:600;border:0;background:none;padding:0;
}
.btn-arrow span.ar{transition:transform .24s var(--ease);display:inline-block}
.btn-arrow:hover span.ar{transform:translateX(4px)}

.pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:rgba(63,224,200,.12);color:var(--accent);
  border:1px solid rgba(63,224,200,.24);
}
.pill-orange{background:rgba(255,122,47,.12);color:#FFB183;border-color:rgba(255,122,47,.28)}
.pill-blue{background:rgba(46,123,255,.14);color:#8FBBFF;border-color:rgba(46,123,255,.3)}

.glass-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow),var(--glow)}

.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.8vw,36px);margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}
.eyebrow{
  display:inline-block;font-family:var(--font-num);font-size:13px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin-bottom:14px;
}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(6,11,22,.62);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,11,22,.95);box-shadow:0 10px 28px rgba(0,0,0,.45)}
.header-inner{display:flex;align-items:center;gap:28px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:rgba(46,123,255,.14);border:1px solid rgba(63,224,200,.28);
  box-shadow:0 0 16px rgba(63,224,200,.18);
}
.brand-text{font-size:17px;font-weight:700;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-item{
  position:relative;padding:12px 14px;font-size:15px;color:var(--text-2);border-radius:8px;white-space:nowrap;
}
.nav-item::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;border-radius:2px;
  background:var(--accent);transition:left .24s var(--ease),right .24s var(--ease);
}
.nav-item:hover{color:var(--text)}
.nav-item:hover::after{left:14px;right:14px}
.nav-item.active{color:var(--text);font-weight:600}
.nav-item.active::after{left:14px;right:14px;box-shadow:0 0 10px rgba(63,224,200,.65)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;position:relative}
.icon-btn{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(16,30,52,.6);border:1px solid var(--line);color:var(--text-2);cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.icon-btn:hover{color:var(--accent);border-color:var(--line-hover);background:rgba(63,224,200,.08)}
.search-panel{
  position:absolute;top:56px;right:0;width:340px;padding:12px;
  background:rgba(10,20,36,.96);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.search-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.search-form{display:flex;gap:8px}
.form-control{
  width:100%;min-height:44px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(8,18,34,.7);border:1px solid var(--line);color:var(--text);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(63,224,200,.16);
}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor}

.drawer-mask{
  position:fixed;inset:0;background:rgba(3,7,14,.6);backdrop-filter:blur(2px);z-index:1090;
}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:82%;max-width:360px;z-index:1100;
  background:rgba(8,16,30,.96);border-left:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(140%);
  transform:translateX(105%);transition:transform .3s var(--ease);
  padding:22px 20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  height:52px;display:flex;align-items:center;padding:0 12px;border-bottom:1px solid var(--line);
  color:var(--text-2);font-size:15px;transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:rgba(63,224,200,.06);color:var(--text)}
.drawer-nav a.active{color:var(--accent);background:rgba(63,224,200,.06);font-weight:600}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;padding:56px 0 64px;overflow:hidden;
  background-image:
    radial-gradient(900px 420px at 78% 12%,rgba(63,224,200,.16),transparent 62%),
    linear-gradient(180deg,rgba(6,11,22,.82) 0%,rgba(6,11,22,.9) 55%,rgba(6,11,22,.98) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover,cover,cover;
  background-position:center,center,center;
  border-bottom:1px solid var(--line);
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
.crumb a:hover{color:var(--accent)}
.crumb-sep{color:var(--text-3)}
.crumb-current{color:var(--text-2);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{
  font-size:clamp(28px,4vw,46px);margin:18px 0 16px;max-width:820px;
}
.hero-lead{color:var(--text-2);font-size:17px;max-width:720px}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.meta-item{
  display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:14px;
  background:rgba(16,30,52,.6);border:1px solid var(--line);
}
.meta-item b{font-family:var(--font-num);font-size:20px;color:var(--accent);font-weight:700}
.meta-item span{font-size:13px;color:var(--text-2)}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:68px;z-index:60;
  background:rgba(6,11,22,.88);backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.anchor-list{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.anchor-list::-webkit-scrollbar{display:none}
.anchor-chip{
  flex:0 0 auto;height:34px;padding:0 16px;border-radius:var(--r-pill);display:inline-flex;align-items:center;
  font-size:14px;color:var(--text-2);background:rgba(16,30,52,.62);border:1px solid var(--line);
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.anchor-chip:hover{color:var(--text);border-color:var(--line-hover);background:rgba(63,224,200,.08)}

/* ---------- 长文 ---------- */
.doc{max-width:900px;margin:0 auto}
.doc-block{padding:48px 0;border-bottom:1px solid var(--line)}
.doc-block:last-of-type{border-bottom:0}
.doc-block h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:18px}
.doc-block h3{font-size:20px;margin:28px 0 10px;color:var(--text)}
.doc-block p{color:var(--text-2);font-size:17px;line-height:1.9;margin-bottom:16px}
.doc-block p:last-child{margin-bottom:0}
.doc-list{margin:16px 0 8px;display:flex;flex-direction:column;gap:12px}
.doc-list li{
  position:relative;padding-left:26px;color:var(--text-2);font-size:16.5px;line-height:1.8;
}
.doc-list li::before{
  content:"";position:absolute;left:6px;top:14px;width:7px;height:7px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 8px rgba(63,224,200,.7);
}
.doc-list li b{color:var(--text);font-weight:600}
.doc-figure{margin:28px 0 8px}
.doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line)}
.doc-figure figcaption{margin-top:12px;font-size:13.5px;color:var(--text-3)}

/* ---------- 清单卡 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.check-card{padding:26px 24px;display:flex;flex-direction:column;gap:12px}
.check-card .num{
  font-family:var(--font-num);font-size:14px;color:var(--accent);letter-spacing:.1em;
}
.check-card h3{font-size:19px}
.check-card p{color:var(--text-2);font-size:15px}
.check-card .tag-line{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}

/* ---------- 场景 ---------- */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;margin-bottom:56px}
.scene-row:last-child{margin-bottom:0}
.scene-row.reverse .scene-media{order:2}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line)}
.scene-body h3{font-size:clamp(20px,2.2vw,26px);margin:14px 0 12px}
.scene-body p{color:var(--text-2);font-size:16px;margin-bottom:16px}
.scene-body .doc-list li{font-size:15.5px}

/* ---------- 条目卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{overflow:hidden;display:flex;flex-direction:column}
.entry-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.entry-body h3{font-size:19px}
.entry-body p{color:var(--text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.entry-foot .cat{color:var(--accent)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:3fr 9fr;gap:40px;align-items:start}
.faq-side h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:14px}
.faq-side p{color:var(--text-2);font-size:15px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:rgba(12,24,42,.5);
  overflow:hidden;transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item[open]{border-color:var(--line-hover);background:rgba(20,38,62,.6)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px 18px 26px;font-size:17px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:var(--accent);opacity:0;transition:opacity .24s var(--ease);
}
.faq-item[open] summary::before{opacity:1}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-answer{padding:0 22px 22px 26px;color:var(--text-2);font-size:15.5px;line-height:1.9}

/* ---------- CTA ---------- */
.cta-panel{
  padding:48px;border-radius:20px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  background:
    radial-gradient(600px 220px at 88% 10%,rgba(63,224,200,.18),transparent 70%),
    linear-gradient(135deg,rgba(20,38,64,.85),rgba(10,20,36,.9));
  border:1px solid var(--line-hover);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-panel h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:14px}
.cta-panel p{color:var(--text-2);font-size:16px}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(10,20,36,.6),rgba(6,11,22,1));padding:72px 0 26px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--text-2);font-size:14.5px;max-width:330px}
.footer-col h3{
  font-size:14px;font-weight:600;margin-bottom:16px;padding-left:12px;position:relative;
}
.footer-col h3::before{
  content:"";position:absolute;left:0;top:2px;bottom:2px;width:2px;border-radius:2px;background:var(--accent);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .sep{margin:0 6px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-links{gap:0}
  .nav-item{padding:12px 11px;font-size:14.5px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .section{padding:64px 0}
  .section-sm{padding:52px 0}
  .scene-row{grid-template-columns:1fr;gap:24px;margin-bottom:44px}
  .scene-row.reverse .scene-media{order:0}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .cta-panel{grid-template-columns:1fr;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .search-panel{width:300px}
  .anchor-bar{top:64px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section-sm{padding:44px 0}
  .entry-grid{grid-template-columns:1fr}
  .hero-meta{gap:10px}
  .meta-item{padding:10px 14px}
  .doc-block{padding:36px 0}
  .doc-block p{font-size:16px}
  .faq-item summary{font-size:16px;padding:16px 18px 16px 22px}
  .faq-answer{padding:0 18px 18px 22px}
}
@media (max-width:575px){
  .check-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:15.5px}
  .page-hero{padding:36px 0 44px}
  .cta-panel{padding:28px 20px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --bg:#060B16;
  --bg-2:#0A1424;
  --card:rgba(16,30,52,.55);
  --brand:#2E7BFF;
  --brand-deep:#1B4B8F;
  --accent:#3FE0C8;
  --accent-b:#FF7A2F;
  --text:#E8F0FA;
  --text-2:#9FB2CC;
  --text-3:#6E829B;
  --line:rgba(140,180,230,.14);
  --line-hover:rgba(63,224,200,.45);
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(63,224,200,.35),0 8px 28px rgba(63,224,200,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Chakra Petch","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(760px 460px at 78% -6%,rgba(63,224,200,.14),transparent 68%),
    radial-gradient(680px 420px at 6% 12%,rgba(46,123,255,.16),transparent 70%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:#7ff0dd;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.01em;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:var(--font);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container,1200px);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-family:var(--font-num);
  padding:6px 14px;border:1px solid rgba(63,224,200,.28);
  border-radius:999px;background:rgba(63,224,200,.08);
  margin-bottom:18px;
}
.section-head h2{font-size:clamp(24px,2.8vw,36px);}
.section-head p{color:var(--text-2);font-size:16px;margin-top:14px;margin-bottom:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .22s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
  line-height:1.2;
}
.btn-primary{
  background:linear-gradient(135deg,#FF7A2F 0%,#FF5A2B 100%);
  color:#05121F;
  box-shadow:0 8px 24px rgba(255,122,47,.28),inset 0 1px 0 rgba(255,255,255,.28);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08);color:#05121F;box-shadow:0 12px 30px rgba(255,122,47,.36),inset 0 1px 0 rgba(255,255,255,.3);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:rgba(255,255,255,.02);
  border-color:var(--line);
  color:var(--accent);
}
.btn-ghost:hover{background:rgba(63,224,200,.08);border-color:var(--line-hover);color:#8ff3e3;transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--accent);
  border:0;background:none;padding:0;
}
.link-arrow span{transition:transform .24s var(--ease);}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.5;
}
.badge-brand{background:rgba(46,123,255,.12);color:#8FBCFF;}
.badge-accent{background:rgba(63,224,200,.12);color:var(--accent);}
.badge-warn{background:rgba(255,122,47,.12);color:#FFB183;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  background:rgba(6,11,22,.62);
  border-bottom:1px solid var(--line);
  transition:background-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.scrolled{background:rgba(6,11,22,.94);box-shadow:0 12px 32px rgba(0,0,0,.42);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:68px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--text);font-weight:700;font-size:17px;letter-spacing:.01em;
  flex-shrink:0;
}
.brand:hover{color:var(--text);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;
  background:rgba(46,123,255,.12);
  border:1px solid rgba(63,224,200,.22);
  box-shadow:0 0 18px rgba(63,224,200,.18);
}
.brand-text{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;color:var(--text-2);border-radius:10px;
  transition:color .24s var(--ease),background-color .24s var(--ease);
}
.nav-item::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;
  background:var(--accent);border-radius:2px;
  transition:left .24s var(--ease),right .24s var(--ease);
}
.nav-item:hover{color:var(--text);background:rgba(63,224,200,.05);}
.nav-item:hover::after{left:14px;right:14px;}
.nav-item.active{color:var(--text);font-weight:600;}
.nav-item.active::after{left:14px;right:14px;}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.02);border:1px solid var(--line);
  color:var(--text-2);cursor:pointer;
  transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
}
.icon-btn:hover{color:var(--accent);border-color:var(--line-hover);background:rgba(63,224,200,.08);}
.menu-btn{display:none;}
.search-panel{
  overflow:hidden;max-height:0;opacity:0;
  transition:max-height .3s var(--ease),opacity .24s var(--ease);
  border-top:1px solid transparent;
}
.search-panel.open{max-height:96px;opacity:1;border-top-color:var(--line);}
.search-form{display:flex;gap:10px;padding:16px 0;}
.search-form input{
  flex:1;height:46px;padding:0 18px;border-radius:999px;
  background:rgba(8,18,34,.7);border:1px solid var(--line);
  color:var(--text);font-size:15px;font-family:var(--font);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-form input::placeholder{color:var(--text-3);}
.search-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(63,224,200,.16);}

/* 移动端抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:360px;z-index:1060;
  background:rgba(8,16,30,.96);
  backdrop-filter:blur(16px) saturate(140%);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  padding:22px 20px;display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-title{font-size:15px;color:var(--text-2);}
.drawer a.drawer-link{
  display:flex;align-items:center;height:52px;padding:0 6px;
  color:var(--text);font-size:15.5px;border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease),color .24s var(--ease);
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.active{background:rgba(63,224,200,.06);color:var(--accent);}
.drawer .search-form{padding:18px 0 6px;}
.drawer .btn{width:100%;margin-top:14px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,7,14,.62);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s;
}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:96px 0 72px;
  background-image:linear-gradient(92deg,rgba(6,11,22,.94) 0%,rgba(6,11,22,.78) 46%,rgba(6,11,22,.58) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-160px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(63,224,200,.18),transparent 68%);
  filter:blur(120px);pointer-events:none;
}
.page-hero .container{max-width:1120px;}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);margin-bottom:22px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--text-3);}
.crumb .current{color:var(--accent);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  max-width:20ch;
  margin-bottom:20px;
}
.page-hero .lede{
  max-width:62ch;color:var(--text-2);font-size:17px;line-height:1.85;
  margin-bottom:28px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;}
.hero-meta .badge{font-size:13px;}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:20px 22px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.filter-label{font-size:13px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.14em;margin-right:6px;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;font-size:14px;color:var(--text-2);
  background:rgba(8,18,34,.6);border:1px solid var(--line);
  cursor:default;transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
}
.chip:hover{color:var(--text);border-color:var(--line-hover);}
.chip.active{
  color:#05121F;font-weight:600;
  background:linear-gradient(135deg,rgba(63,224,200,.92),rgba(63,224,200,.72));
  border-color:rgba(63,224,200,.6);
  box-shadow:0 6px 18px rgba(63,224,200,.22);
}

/* ---------- 货架网格 ---------- */
.shelf-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:34px;
}
.shelf-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.shelf-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-hover);
  box-shadow:0 18px 40px rgba(0,0,0,.42),0 0 0 1px rgba(63,224,200,.28);
}
.card-media{
  aspect-ratio:16/9;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:rgba(8,18,34,.6);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.shelf-card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 20px 4px;flex:1;}
.card-body h3{font-size:19px;margin:12px 0 10px;}
.card-body p{color:var(--text-2);font-size:15px;margin-bottom:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px 20px;margin-top:14px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
}
.card-foot .num{font-family:var(--font-num);color:var(--accent);letter-spacing:.06em;}

/* ---------- 步骤带 ---------- */
.steps-band{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:12px;
}
.step{
  padding:8px 26px 8px 24px;
  border-left:1px solid var(--line);
  transition:border-color .26s var(--ease);
}
.step:hover{border-left-color:var(--accent);}
.step .num{
  font-family:var(--font-num);font-size:34px;line-height:1;
  color:rgba(63,224,200,.85);letter-spacing:.04em;display:block;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{color:var(--text-2);font-size:14.5px;margin-bottom:0;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:3fr 9fr;gap:40px;align-items:start;}
.faq-layout .section-head{margin-bottom:0;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .26s var(--ease),background-color .26s var(--ease);
}
.faq-item[open]{border-color:rgba(63,224,200,.32);background:rgba(16,34,58,.62);}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:20px 56px 20px 24px;font-size:17px;font-weight:600;
  transition:color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--accent);opacity:0;transition:opacity .24s var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--accent);line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--accent);}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15.5px;}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{padding:88px 0 96px;}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:20px;padding:56px 48px;
  background:linear-gradient(135deg,rgba(27,75,143,.42),rgba(10,20,36,.82));
  border:1px solid rgba(63,224,200,.28);
  box-shadow:0 0 0 1px rgba(63,224,200,.12),0 24px 60px rgba(0,0,0,.45);
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.cta-card::after{
  content:"";position:absolute;right:-80px;bottom:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(63,224,200,.2),transparent 70%);
  filter:blur(110px);pointer-events:none;
}
.cta-card h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:16px;}
.cta-card p{color:var(--text-2);margin-bottom:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1;}
.cta-notes{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}
.cta-notes .badge{font-size:13px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#050A13;border-top:1px solid var(--line);
  padding:64px 0 0;position:relative;z-index:1;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{color:var(--text-2);font-size:14.5px;max-width:34ch;margin-bottom:0;}
.footer-col h3{
  font-size:14px;font-weight:600;color:var(--text);
  padding-left:12px;position:relative;margin-bottom:18px;
}
.footer-col h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:2px;
  background:var(--accent);border-radius:2px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding:20px 0 26px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .sep{margin:0 6px;color:var(--text-3);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container{max-width:100%;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .header-inner{gap:14px;min-height:64px;}
  .brand{font-size:16px;}
  .brand-text{white-space:normal;line-height:1.25;}
  .page-hero{padding:72px 0 56px;}
  .section{padding:60px 0;}
  .section--tight{padding:48px 0;}
  .shelf-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .step:nth-child(odd){border-left:1px solid var(--line);}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .cta-card{grid-template-columns:1fr;padding:40px 28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .shelf-grid{grid-template-columns:1fr;gap:18px;}
  .page-hero h1{max-width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .steps{grid-template-columns:1fr;}
  .step{padding:6px 0 6px 18px;}
  .filter-bar{padding:16px;}
  .chip{height:34px;padding:0 13px;font-size:13.5px;}
  .cta-card{padding:32px 20px;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{font-size:16px;padding:18px 48px 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg:#060B16;
  --bg-2:#0A1424;
  --card:rgba(16,30,52,.55);
  --brand-1:#1B4B8F;
  --brand-2:#2E7BFF;
  --cyan:#3FE0C8;
  --orange:#FF7A2F;
  --orange-2:#FF5A1F;
  --text:#E8F0FA;
  --text-2:#9FB2CC;
  --text-3:#6E829B;
  --border:rgba(140,180,230,.14);
  --border-hover:rgba(63,224,200,.45);
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(63,224,200,.35),0 8px 28px rgba(63,224,200,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:68px;
  --mono:"Chakra Petch","SFMono-Regular",Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-2);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--cyan);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:.01em;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(6,11,22,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border);
  transition:background .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.scrolled{
  background:rgba(6,11,22,.96);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:var(--nav-h);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(63,224,200,.08);
  border:1px solid var(--border);
  box-shadow:0 0 18px rgba(63,224,200,.14);
}
.brand-text{
  font-size:17px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-item{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:var(--nav-h);
  padding:0 14px;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .24s var(--ease);
}
.nav-item::after{
  content:"";
  position:absolute;
  left:50%;right:50%;
  bottom:14px;
  height:2px;
  background:var(--cyan);
  border-radius:2px;
  transition:left .24s var(--ease),right .24s var(--ease);
}
.nav-item:hover{color:var(--text);}
.nav-item:hover::after{left:14px;right:14px;}
.nav-item.active{color:#fff;}
.nav-item.active::after{left:14px;right:14px;box-shadow:0 0 12px rgba(63,224,200,.65);}

.nav-actions{display:flex;align-items:center;gap:12px;position:relative;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:transparent;
  border:1px solid var(--border);
  color:var(--text-2);
  cursor:pointer;
  transition:all .22s var(--ease);
}
.icon-btn:hover{color:var(--cyan);border-color:var(--border-hover);background:rgba(63,224,200,.08);}
.search-pop{
  position:absolute;
  top:calc(100% + 10px);
  right:0;
  width:320px;
  padding:10px;
  border-radius:14px;
  background:rgba(10,20,36,.96);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  display:none;
}
.search-pop.open{display:block;}
.search-pop input{
  width:100%;height:44px;
  padding:0 14px;
  border-radius:var(--r-input);
  background:rgba(8,18,34,.7);
  border:1px solid var(--border);
  color:var(--text);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-pop input::placeholder{color:var(--text-3);}
.search-pop input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(63,224,200,.14);}

.hamburger{display:none;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:all .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#FF8A45,var(--orange-2));
  color:#05121F;
  box-shadow:0 8px 22px rgba(255,122,47,.28),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#05121F;box-shadow:0 12px 28px rgba(255,122,47,.36),inset 0 1px 0 rgba(255,255,255,.35);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:transparent;
  border-color:var(--border);
  color:var(--cyan);
}
.btn-ghost:hover{background:rgba(63,224,200,.08);border-color:var(--border-hover);color:var(--cyan);transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:64px 0 96px;
  overflow:hidden;
  isolation:isolate;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg,rgba(6,11,22,.82),rgba(6,11,22,.94)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.55;
  z-index:-2;
}
.hero::after{
  content:"";
  position:absolute;
  top:-160px;right:-120px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(63,224,200,.18),transparent 68%);
  filter:blur(120px);
  z-index:-1;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:28px;
  overflow:hidden;
  white-space:nowrap;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-2);overflow:hidden;text-overflow:ellipsis;max-width:60%;}

.hero-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:56px;
  align-items:center;
}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--cyan);
  background:rgba(63,224,200,.12);
  border:1px solid rgba(63,224,200,.22);
}
.pill.orange{color:var(--orange);background:rgba(255,122,47,.12);border-color:rgba(255,122,47,.24);}
.pill.blue{color:var(--brand-2);background:rgba(46,123,255,.12);border-color:rgba(46,123,255,.24);}

.hero h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.24;
  max-width:18ch;
  margin-bottom:20px;
}
.hero h1 .accent{
  background:linear-gradient(120deg,var(--cyan),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:17px;
  color:var(--text-2);
  max-width:52ch;
  margin-bottom:28px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  padding-top:26px;
  border-top:1px solid var(--border);
}
.hero-stat .num{
  font-family:var(--mono);
  font-size:26px;
  font-weight:700;
  color:var(--cyan);
  line-height:1.2;
}
.hero-stat .lbl{font-size:13px;color:var(--text-3);line-height:1.6;}

.hero-visual{position:relative;}
.hero-visual .frame{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  aspect-ratio:4/3;
  background:var(--bg-2);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;
  right:24px;
  bottom:-28px;
  width:260px;
  padding:18px 20px;
  border-radius:var(--r-card);
  background:rgba(10,20,36,.78);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--border);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.float-card h3{font-size:15px;font-weight:600;margin-bottom:8px;}
.float-card p{font-size:13px;color:var(--text-2);line-height:1.7;}
.float-card .dots{display:flex;gap:6px;margin-top:12px;}
.float-card .dots span{width:8px;height:8px;border-radius:50%;background:var(--cyan);opacity:.7;}
.float-card .dots span:nth-child(2){background:var(--brand-2);}
.float-card .dots span:nth-child(3){background:var(--orange);opacity:.85;}

/* ---------- Sections ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--band{background:var(--bg-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);opacity:.7;}
.section-head h2{font-size:clamp(24px,2.8vw,36px);margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}

/* ---------- Cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}

.card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--border-hover);box-shadow:var(--glow),inset 0 1px 0 rgba(255,255,255,.06);}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:19px;font-weight:600;}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.badge{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:13px;
  line-height:1.5;
  color:var(--cyan);
  background:rgba(63,224,200,.12);
}
.badge.orange{color:var(--orange);background:rgba(255,122,47,.12);}
.badge.blue{color:var(--brand-2);background:rgba(46,123,255,.12);}
.card-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--text-3);
}

/* ---------- Numbered strip ---------- */
.num-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.num-item{
  padding:28px 28px 28px 26px;
  border-left:1px solid var(--border);
  transition:background .24s var(--ease);
}
.num-item:first-child{border-left:none;}
.num-item:hover{background:rgba(63,224,200,.04);}
.num-item .idx{
  font-family:var(--mono);
  font-size:14px;
  color:var(--cyan);
  letter-spacing:.1em;
  margin-bottom:10px;
  display:block;
}
.num-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.num-item p{font-size:14.5px;color:var(--text-2);line-height:1.75;}

/* ---------- Timeline ---------- */
.timeline{margin-top:8px;}
.tl-item{position:relative;padding:0 0 28px 40px;}
.tl-item::before{
  content:"";
  position:absolute;
  left:0;top:22px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--cyan);
  box-shadow:0 0 0 4px rgba(63,224,200,.1);
  z-index:2;
}
.tl-item::after{
  content:"";
  position:absolute;
  left:6.5px;top:40px;bottom:0;
  width:1px;
  background:linear-gradient(180deg,rgba(63,224,200,.5),rgba(140,180,230,.08));
}
.tl-item:last-child::after{display:none;}
.tl-item:last-child{padding-bottom:0;}
.tl-card{
  padding:22px 24px;
  border-radius:var(--r-card);
  background:var(--card);
  border:1px solid var(--border);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.tl-card:hover{transform:translateY(-3px);border-color:var(--border-hover);}
.tl-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
}
.tl-head h3{font-size:20px;font-weight:600;}
.tl-time{
  font-family:var(--mono);
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.04em;
}
.tl-card p{font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- Compare rows ---------- */
.compare{
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.compare-row{
  display:grid;
  grid-template-columns:.9fr 1fr 1.2fr;
  gap:20px;
  padding:20px 24px;
  border-top:1px solid var(--border);
  transition:background .24s var(--ease);
}
.compare-row:first-child{border-top:none;}
.compare-row:hover{background:rgba(63,224,200,.04);}
.compare-row.head{
  background:rgba(10,20,36,.65);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--text-3);
  font-family:var(--mono);
}
.compare-code{
  font-family:var(--mono);
  font-size:14px;
  color:var(--orange);
  line-height:1.6;
}
.compare-row .cell{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.compare-row .cell.strong{color:var(--text);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start;}
.faq-aside h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.faq-aside p{font-size:15px;color:var(--text-2);margin-bottom:20px;}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:var(--card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.faq-item:hover{border-color:var(--border-hover);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
  border:1px solid var(--border);
  color:var(--cyan);
  font-size:15px;
  font-weight:400;
  line-height:1;
  transition:all .24s var(--ease);
}
.faq-item[open] summary::after{content:"−";border-color:var(--border-hover);background:rgba(63,224,200,.1);}
.faq-item[open]{
  background:rgba(18,34,58,.62);
  border-color:var(--border-hover);
  box-shadow:inset 3px 0 0 var(--cyan),var(--shadow);
}
.faq-answer{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.9;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--border);
  background:linear-gradient(135deg,rgba(27,75,143,.42),rgba(10,20,36,.9));
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  padding:56px;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;top:-100px;
  width:380px;height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(63,224,200,.16),transparent 70%);
  filter:blur(90px);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;position:relative;}
.cta-band p{font-size:16px;color:var(--text-2);max-width:60ch;margin-bottom:28px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;
  background:var(--bg-2);
  border-top:1px solid var(--border);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:34ch;}
.footer-col h3{
  position:relative;
  font-size:14px;
  font-weight:600;
  color:var(--text);
  padding-left:14px;
  margin-bottom:18px;
}
.footer-col h3::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:14px;
  border-radius:2px;
  background:var(--cyan);
}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding:22px 0 28px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .sep{margin:0 8px;opacity:.6;}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(3,7,14,.62);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s var(--ease);
  z-index:110;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:min(82%,360px);
  padding:24px 20px;
  background:rgba(8,16,30,.97);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-left:1px solid var(--border);
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  z-index:120;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer a{
  display:flex;
  align-items:center;
  height:52px;
  padding:0 12px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid var(--border);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer a:hover,.drawer a.active{background:rgba(63,224,200,.06);color:var(--text);}
.drawer .btn{margin-top:20px;width:100%;}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-grid{gap:36px;}
}
@media (max-width:992px){
  .nav-links{display:none;}
  .hamburger{display:inline-flex;}
  .nav-actions{margin-left:auto;}
  .hero{padding:44px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero h1{max-width:100%;}
  .hero-visual .frame{aspect-ratio:16/9;}
  .float-card{position:static;width:100%;margin-top:16px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .num-strip{grid-template-columns:1fr;}
  .num-item{border-left:none;border-top:1px solid var(--border);}
  .num-item:first-child{border-top:none;}
  .compare-row{grid-template-columns:1fr;gap:8px;}
  .compare-row.head{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:36px 28px;}
  .site-footer{padding-top:56px;}
}
@media (max-width:768px){
  .container{padding-left:16px;padding-right:16px;}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr;gap:14px;}
  .brand-text{font-size:15px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .hero-visual .frame{aspect-ratio:3/2;}
  .tl-item{padding-left:28px;}
  .tl-head h3{font-size:18px;}
}
@media (max-width:576px){
  .hero h1{font-size:29px;}
  .hero-cta .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .cta-band{padding:28px 20px;}
  .compare-row{padding:16px;}
  .tl-card{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}