/* roulang page: index */
:root{
  --c-bg-0:#05080F;
  --c-bg-1:#0A1220;
  --c-bg-2:#101B2E;
  --c-glass:rgba(255,255,255,.06);
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(255,255,255,.14);
  --c-brand:#17E1A5;
  --c-brand-deep:#0BA57A;
  --c-accent:#FF7A2F;
  --c-ink-1:#F2F6FF;
  --c-ink-2:#A9B6CC;
  --c-ink-3:#6C7A93;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-btn:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 16px 40px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(23,225,165,.35),0 8px 28px rgba(23,225,165,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms cubic-bezier(.22,.61,.36,1);
  --s-1:8px; --s-2:16px; --s-3:24px; --s-4:32px; --s-5:48px; --s-6:64px; --s-7:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg-1);
  color:var(--c-ink-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.85;
  letter-spacing:-.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:var(--c-brand);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(2rem,4.2vw,3.25rem);line-height:1.15;font-weight:700;letter-spacing:-.01em;}
h2{font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.25;font-weight:600;letter-spacing:-.01em;}
h3{font-size:1.125rem;line-height:1.4;font-weight:600;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(23,225,165,.32);}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,18,32,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:height var(--t),background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{
  background:rgba(8,14,25,.9);
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 24px rgba(0,0,0,.35);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
  transition:height var(--t);
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));
  color:#04170F;font-weight:800;font-size:1.05rem;
  box-shadow:0 6px 20px rgba(23,225,165,.28);
  font-family:Inter,"Barlow Semi Condensed",sans-serif;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:1.0625rem;font-weight:700;letter-spacing:.01em;}
.brand-sub{font-size:.6875rem;color:var(--c-ink-3);letter-spacing:.14em;}
.main-nav{display:flex;align-items:center;margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;display:block;
  padding:10px 14px;border-radius:10px;
  font-size:.9375rem;color:var(--c-ink-2);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--c-brand);
  transition:width 180ms var(--ease);
}
.main-nav a:hover{color:var(--c-ink-1);}
.main-nav a:hover::after{width:60%;}
.main-nav a.is-active{color:var(--c-brand);}
.main-nav a.is-active::after{width:60%;}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

/* Mega */
.mega{position:relative;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:var(--r-btn);
  background:var(--c-glass);border:1px solid var(--c-line);
  color:var(--c-ink-1);font-size:.9375rem;cursor:pointer;
  transition:border-color var(--t),background var(--t);
}
.mega-toggle:hover{border-color:rgba(23,225,165,.4);background:rgba(23,225,165,.08);}
.mega-toggle .caret{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);transition:transform var(--t);}
.mega:hover .mega-toggle .caret{transform:rotate(225deg) translate(-2px,-2px);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:720px;max-width:calc(100vw - 48px);
  padding:24px;
  border-radius:var(--r-lg);
  background:rgba(16,27,46,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--c-line-strong);
  box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity 160ms var(--ease),transform 160ms var(--ease),visibility 160ms;
}
.mega-panel::before{
  content:"";position:absolute;top:-7px;right:64px;
  width:12px;height:12px;transform:rotate(45deg);
  background:rgba(16,27,46,.94);
  border-left:1px solid var(--c-line-strong);border-top:1px solid var(--c-line-strong);
}
.mega:hover .mega-panel,
.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{
  font-size:.75rem;letter-spacing:.12em;color:var(--c-ink-3);
  text-transform:uppercase;margin-bottom:14px;
  font-family:Inter,"Barlow Semi Condensed",sans-serif;
}
.mega-list li + li{margin-top:4px;}
.mega-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:.9375rem;color:var(--c-ink-2);
}
.mega-list a::before{
  content:"";width:2px;height:14px;border-radius:2px;
  background:var(--c-brand);opacity:0;transition:opacity var(--t);
}
.mega-list a:hover{background:rgba(255,255,255,.05);color:var(--c-ink-1);}
.mega-list a:hover::before{opacity:1;}
.mega-mini{display:flex;gap:12px;padding:9px;border-radius:14px;transition:background var(--t);}
.mega-mini:hover{background:rgba(255,255,255,.05);}
.mega-mini img{width:48px;height:48px;border-radius:10px;object-fit:cover;flex-shrink:0;}
.mega-mini-body{min-width:0;}
.mega-mini-body strong{display:block;font-size:.875rem;font-weight:600;line-height:1.45;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-ink-1);}
.mega-mini-body span{font-size:.75rem;color:var(--c-ink-3);}
.mega-card{
  padding:20px;border-radius:var(--r-lg);
  background:var(--c-glass);border:1px solid var(--c-line);
  display:flex;flex-direction:column;gap:14px;
}
.mega-card p{font-size:.875rem;color:var(--c-ink-2);line-height:1.7;}

.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--c-glass);border:1px solid var(--c-line);
  cursor:pointer;position:relative;
}
.nav-burger span,
.nav-burger span::before,
.nav-burger span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--c-ink-1);transform:translateX(-50%);
}
.nav-burger span{top:50%;margin-top:-1px;}
.nav-burger span::before{content:"";top:-6px;left:0;transform:none;}
.nav-burger span::after{content:"";top:6px;left:0;transform:none;}

/* ============ Buttons ============ */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 28px;border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));
  color:#04170F;font-weight:700;font-size:.9375rem;
  border:0;cursor:pointer;
  box-shadow:var(--sh-glow);
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-glow:hover{filter:brightness(1.06);color:#04170F;box-shadow:0 0 0 1px rgba(23,225,165,.5),0 12px 34px rgba(23,225,165,.36);transform:translateY(-1px);}
.btn-glow:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(23,225,165,.4),0 4px 14px rgba(23,225,165,.22);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;border-radius:var(--r-btn);
  background:transparent;border:1px solid rgba(23,225,165,.45);
  color:var(--c-brand);font-weight:600;font-size:.9375rem;cursor:pointer;
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.btn-outline:hover{background:rgba(23,225,165,.08);border-color:var(--c-brand);color:var(--c-brand);}
.btn-outline:active{transform:translateY(1px);}
.link-ghost{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--c-brand);font-weight:600;font-size:.9375rem;
}
.link-ghost span{transition:transform var(--t);}
.link-ghost:hover span{transform:translateX(4px);}

/* ============ Section shell ============ */
.section{padding:96px 0;}
.section-alt{background:var(--c-bg-2);}
.section-head{margin-bottom:48px;max-width:760px;}
.section-head h2 + p{margin-top:16px;color:var(--c-ink-2);font-size:1rem;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:Inter,"Barlow Semi Condensed",sans-serif;
  font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-brand);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-brand);opacity:.6;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:80px 0 72px;
  background:
    radial-gradient(900px 520px at 8% 0%,rgba(23,225,165,.16),transparent 62%),
    radial-gradient(760px 480px at 100% 100%,rgba(23,225,165,.10),transparent 60%),
    var(--c-bg-1);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 em{font-style:normal;color:var(--c-brand);}
.hero-lead{font-size:1.0625rem;color:var(--c-ink-2);max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--c-line);
  padding-top:28px;
}
.hero-stat{padding-right:18px;border-right:1px solid var(--c-line);}
.hero-stat:last-child{border-right:0;padding-right:0;}
.hero-stat b{
  display:block;
  font-family:Inter,"Barlow Semi Condensed",sans-serif;
  font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;color:var(--c-brand);
  line-height:1.1;letter-spacing:.01em;
}
.hero-stat span{display:block;font-size:.8125rem;color:var(--c-ink-3);margin-top:6px;}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-line-strong);box-shadow:var(--sh-2);}
.hero-visual img{width:100%;height:100%;min-height:380px;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(10,18,32,.15),rgba(10,18,32,.82) 78%);
}
.hero-badge{
  position:absolute;left:24px;bottom:24px;z-index:2;
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:999px;
  background:rgba(5,8,15,.72);border:1px solid rgba(23,225,165,.4);
  font-size:.8125rem;color:var(--c-ink-1);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--c-brand);
  box-shadow:0 0 0 4px rgba(23,225,165,.18);}

/* ============ Pain cards ============ */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.pain-col-2{margin-top:24px;}
.pain-card{
  display:flex;gap:18px;align-items:flex-start;
  padding:24px;border-radius:var(--r-md);
  background:var(--c-glass);border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
  position:relative;overflow:hidden;
}
.pain-card::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--c-brand);transition:width var(--t);
}
.pain-card:hover{transform:translateY(-4px);border-color:rgba(23,225,165,.3);box-shadow:var(--sh-2);}
.pain-card:hover::after{width:100%;}
.pain-num{
  flex-shrink:0;width:52px;height:52px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(23,225,165,.12);border:1px solid rgba(23,225,165,.3);
  color:var(--c-brand);font-family:Inter,"Barlow Semi Condensed",sans-serif;
  font-weight:700;font-size:1rem;
}
.pain-body h3{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.pain-body h3::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--c-brand);}
.pain-body p{font-size:.9375rem;color:var(--c-ink-2);line-height:1.75;}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(190px,auto);gap:24px;}
.bento-card{
  position:relative;overflow:hidden;
  padding:24px;border-radius:var(--r-md);
  background:var(--c-glass);border:1px solid var(--c-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:14px;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.bento-card::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--c-brand);transition:width var(--t);
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(23,225,165,.3);box-shadow:var(--sh-2);}
.bento-card:hover::after{width:100%;}
.bento-card h3{margin-bottom:0;}
.bento-card p{font-size:.9375rem;color:var(--c-ink-2);}
.bento-a{grid-column:span 2;grid-row:span 2;flex-direction:row;gap:28px;align-items:stretch;}
.bento-a .bento-media{flex:1;border-radius:var(--r-sm);overflow:hidden;min-height:220px;}
.bento-a .bento-media img{width:100%;height:100%;object-fit:cover;}
.bento-a .bento-copy{flex:1;display:flex;flex-direction:column;justify-content:center;gap:14px;}
.bento-wide{grid-column:span 3;flex-direction:row;align-items:center;gap:28px;}
.bento-wide .bento-thumb{width:200px;flex-shrink:0;border-radius:var(--r-sm);overflow:hidden;}
.bento-wide .bento-thumb img{width:100%;height:120px;object-fit:cover;}
.bento-tag{
  align-self:flex-start;
  font-size:.75rem;padding:5px 12px;border-radius:999px;
  background:rgba(23,225,165,.12);color:var(--c-brand);
  font-family:Inter,"Barlow Semi Condensed",sans-serif;letter-spacing:.04em;
}
.bento-tag.is-hot{background:rgba(255,122,47,.14);color:var(--c-accent);}
.bento-points li{font-size:.875rem;color:var(--c-ink-2);padding-left:18px;position:relative;line-height:1.8;}
.bento-points li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--c-brand);}

/* ============ News list ============ */
.pill-row{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  padding:8px 18px;border-radius:999px;font-size:.875rem;
  border:1px solid var(--c-line);color:var(--c-ink-2);background:transparent;cursor:pointer;
  transition:background var(--t),border-color var(--t),color var(--t);
}
.pill:hover{background:rgba(23,225,165,.08);border-color:rgba(23,225,165,.35);color:var(--c-ink-1);}
.pill.is-active{background:rgba(23,225,165,.14);border-color:rgba(23,225,165,.45);color:var(--c-brand);}
.news-lead{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:32px;
  padding:24px;border-radius:var(--r-lg);
  background:var(--c-glass);border:1px solid var(--c-line);
  box-shadow:var(--sh-1);margin-bottom:24px;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.news-lead:hover{transform:translateY(-4px);border-color:rgba(23,225,165,.3);box-shadow:var(--sh-2);}
.news-lead-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.news-lead:hover .news-lead-media img{transform:scale(1.04);}
.news-lead-body{display:flex;flex-direction:column;gap:14px;justify-content:center;}
.news-lead-body h3{font-size:clamp(1.15rem,1.9vw,1.5rem);line-height:1.4;}
.news-lead-body h3 a:hover{color:var(--c-brand);}
.news-lead-body p{font-size:.9375rem;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.badge-tag{
  align-self:flex-start;
  font-size:.75rem;padding:5px 12px;border-radius:999px;
  background:rgba(23,225,165,.12);color:var(--c-brand);
}
.badge-tag.is-hot{background:rgba(255,122,47,.14);color:var(--c-accent);}
.news-meta{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--c-ink-3);}
.clock-icon{width:12px;height:12px;border:1.5px solid var(--c-ink-3);border-radius:50%;position:relative;flex-shrink:0;}
.clock-icon::after{content:"";position:absolute;left:50%;top:50%;width:1.5px;height:4px;background:var(--c-ink-3);transform:translate(-50%,-100%);}
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:grid;grid-template-columns:120px minmax(0,1fr);gap:20px;
  padding:18px;border-radius:var(--r-sm);
  background:var(--c-glass);border:1px solid var(--c-line);
  transition:transform var(--t),border-color var(--t),background var(--t);
}
.news-item:hover{transform:translateY(-4px);border-color:rgba(23,225,165,.3);background:rgba(255,255,255,.075);}
.news-item img{width:120px;height:80px;object-fit:cover;border-radius:12px;}
.news-item-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-item-body h3{font-size:1rem;line-height:1.5;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.news-item-body p{font-size:.875rem;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:56px 24px;text-align:center;
  border:1px dashed var(--c-line-strong);border-radius:var(--r-md);
  background:rgba(255,255,255,.025);
}
.empty-state svg{width:88px;height:88px;opacity:.4;}
.empty-state p{color:var(--c-ink-2);font-size:.9375rem;}

/* ============ Timeline ============ */
.timeline{position:relative;padding-left:0;max-width:900px;margin:0 auto;}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;width:1px;
  background:linear-gradient(180deg,rgba(23,225,165,.6),rgba(23,225,165,.05));
}
.tl-item{position:relative;display:grid;grid-template-columns:48px minmax(0,1fr) 220px;gap:28px;align-items:center;padding:20px 0;}
.tl-dot{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--c-bg-1);border:1px solid rgba(23,225,165,.45);
  color:var(--c-brand);font-family:Inter,"Barlow Semi Condensed",sans-serif;font-weight:700;
  box-shadow:0 0 0 6px rgba(23,225,165,.07),0 0 22px rgba(23,225,165,.22);
  position:relative;z-index:1;
}
.tl-body h3{margin-bottom:6px;}
.tl-body p{font-size:.9375rem;color:var(--c-ink-2);}
.tl-img{border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--c-line);}
.tl-img img{width:100%;height:130px;object-fit:cover;}

/* ============ Testimonials ============ */
.carousel-head{display:flex;align-items:center;gap:12px;}
.arrow-btn{
  width:44px;height:44px;border-radius:50%;
  background:var(--c-glass);border:1px solid var(--c-line);
  color:var(--c-ink-1);cursor:pointer;display:grid;place-items:center;
  transition:border-color var(--t),background var(--t),color var(--t);
}
.arrow-btn:hover{border-color:rgba(23,225,165,.5);color:var(--c-brand);background:rgba(23,225,165,.08);}
.track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 24px;margin:0 -4px;
  scrollbar-width:thin;scrollbar-color:rgba(23,225,165,.35) transparent;
}
.track::-webkit-scrollbar{height:6px;}
.track::-webkit-scrollbar-thumb{background:rgba(23,225,165,.3);border-radius:6px;}
.track::-webkit-scrollbar-track{background:rgba(255,255,255,.04);}
.quote-card{
  flex:0 0 340px;scroll-snap-align:start;
  padding:28px;border-radius:var(--r-md);
  background:var(--c-glass);border:1px solid var(--c-line);
  display:flex;flex-direction:column;gap:20px;
  transition:transform var(--t),border-color var(--t);
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(23,225,165,.3);}
.quote-card.is-main{flex:0 0 460px;background:linear-gradient(150deg,rgba(23,225,165,.10),rgba(255,255,255,.04));border-color:rgba(23,225,165,.28);}
.quote-card blockquote{font-size:1rem;line-height:1.8;color:var(--c-ink-1);}
.quote-card blockquote::before{content:"“";color:var(--c-brand);font-size:1.6rem;line-height:0;vertical-align:-8px;margin-right:4px;}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:auto;}
.quote-avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));
  display:grid;place-items:center;color:#04170F;font-weight:700;font-size:.9375rem;
}
.quote-person strong{display:block;font-size:.9375rem;font-weight:600;}
.quote-person span{font-size:.8125rem;color:var(--c-ink-3);}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:56px;align-items:start;}
.faq-side{position:sticky;top:100px;}
.faq-side h2{margin-bottom:16px;}
.faq-side p{color:var(--c-ink-2);font-size:.9375rem;margin-bottom:24px;}
.faq-accordion .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--c-line);
}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--c-line);}
.faq-accordion .accordion-button{
  background:transparent;color:var(--c-ink-1);
  font-size:1rem;font-weight:600;line-height:1.6;
  padding:22px 44px 22px 0;box-shadow:none;position:relative;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--c-brand);background:rgba(255,255,255,.03);
}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-accordion .accordion-button::after{
  content:"";position:absolute;right:8px;top:50%;
  width:14px;height:14px;margin:0;transform:translateY(-50%);
  background:none;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transition:transform var(--t),color var(--t);
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);color:var(--c-brand);}
.faq-accordion .accordion-body{
  padding:0 44px 24px 0;color:var(--c-ink-2);font-size:.9375rem;line-height:1.85;
}

/* ============ CTA + Form ============ */
.cta-band{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;
  padding:48px;border-radius:var(--r-lg);
  background:linear-gradient(140deg,rgba(23,225,165,.14),rgba(16,27,46,.6) 55%),
             var(--c-bg-2);
  border:1px solid rgba(23,225,165,.22);
  box-shadow:var(--sh-2);
}
.cta-band h2{margin-bottom:16px;}
.cta-band p{color:var(--c-ink-2);font-size:.9375rem;margin-bottom:24px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:var(--c-ink-2);margin-bottom:12px;}
.cta-points li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-brand);margin-top:9px;flex-shrink:0;box-shadow:0 0 0 4px rgba(23,225,165,.12);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-field{display:flex;flex-direction:column;gap:8px;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:.8125rem;color:var(--c-ink-2);}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;padding:13px 14px;border-radius:var(--r-btn);
  background:#0D1727;border:1px solid var(--c-line-strong);
  color:var(--c-ink-1);font-size:.9375rem;
  transition:border-color var(--t),box-shadow var(--t);
}
.form-field input::placeholder,
.form-field textarea::placeholder{color:var(--c-ink-3);}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(23,225,165,.18);
}
.form-field select{
  appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--c-ink-2) 50%),
                   linear-gradient(135deg,var(--c-ink-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
}
.form-field textarea{min-height:104px;resize:vertical;}
.form-note{font-size:.8125rem;color:var(--c-ink-3);margin-top:14px;}

/* ============ Footer ============ */
.site-footer{background:#04070D;border-top:1px solid var(--c-line);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand p{font-size:.875rem;color:var(--c-ink-2);line-height:1.8;max-width:320px;}
.footer-col h3{font-size:.9375rem;margin-bottom:18px;letter-spacing:.02em;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:.875rem;color:var(--c-ink-2);display:inline-flex;align-items:center;gap:8px;}
.footer-col a:hover{color:var(--c-brand);transform:translateX(2px);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--c-ink-2);margin-bottom:12px;}
.footer-contact svg{width:16px;height:16px;margin-top:5px;flex-shrink:0;stroke:var(--c-brand);}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--c-ink-3);
}
.footer-bottom a{color:var(--c-ink-2);}
.footer-bottom a:hover{color:var(--c-brand);}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-a{grid-column:span 2;grid-row:span 1;flex-direction:column;}
  .bento-a .bento-media{min-height:200px;}
  .bento-wide{grid-column:span 2;flex-direction:column;align-items:flex-start;}
  .bento-wide .bento-thumb{width:100%;}
  .bento-wide .bento-thumb img{height:160px;}
  .tl-item{grid-template-columns:48px minmax(0,1fr);}
  .tl-img{grid-column:2;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-burger{display:block;}
  .mega{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:2;}
  .hero-visual img{min-height:280px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .cta-band{grid-template-columns:1fr;padding:32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .news-lead{grid-template-columns:1fr;gap:20px;}
  .section{padding:72px 0;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .hero{padding:56px 0 48px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px 0;}
  .hero-stat:nth-child(2n){border-right:0;padding-right:0;}
  .hero-stat:nth-child(1),
  .hero-stat:nth-child(2){border-bottom:1px solid var(--c-line);padding-bottom:18px;}
  .pain-grid{grid-template-columns:1fr;}
  .pain-col-2{margin-top:0;}
  .bento{grid-template-columns:1fr;}
  .bento-a,.bento-wide{grid-column:span 1;}
  .head-row{align-items:flex-start;flex-direction:column;}
  .track{scroll-snap-type:x mandatory;}
  .news-list{flex-direction:row;overflow-x:auto;padding-bottom:20px;scroll-snap-type:x mandatory;}
  .news-item{flex:0 0 300px;grid-template-columns:1fr;scroll-snap-align:start;}
  .news-item img{width:100%;height:150px;}
  .footer-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .quote-card,.quote-card.is-main{flex:0 0 300px;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-glow,
  .hero-actions .btn-outline{width:100%;}
  .brand-sub{display:none;}
  .cta-band{padding:24px;border-radius:var(--r-md);}
  .news-item{flex:0 0 260px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  html{scroll-behavior:auto;}
}

/* Offcanvas re-skin */
.offcanvas.offcanvas-end{
  background:var(--c-bg-2);color:var(--c-ink-1);
  border-left:1px solid var(--c-line-strong);
  width:min(360px,88vw);
}
.offcanvas-header{border-bottom:1px solid var(--c-line);padding:20px 24px;}
.offcanvas-body{padding:20px 24px;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;font-size:1rem;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.mobile-nav a:hover{color:var(--c-brand);}
.mobile-sub{margin:20px 0 8px;font-size:.75rem;letter-spacing:.12em;color:var(--c-ink-3);text-transform:uppercase;}
.mobile-mini{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--c-line);}
.mobile-mini img{width:48px;height:48px;border-radius:10px;object-fit:cover;}
.mobile-mini strong{display:block;font-size:.875rem;font-weight:600;line-height:1.4;}
.mobile-mini span{font-size:.75rem;color:var(--c-ink-3);}
.btn-close{filter:invert(1) grayscale(1) brightness(1.8);}

/* roulang page: article */
:root{
  --c-bg-0:#05080F;
  --c-bg-1:#0A1220;
  --c-bg-2:#101B2E;
  --c-glass:rgba(255,255,255,.06);
  --c-line:rgba(255,255,255,.08);
  --c-line-2:rgba(255,255,255,.10);
  --c-brand:#17E1A5;
  --c-brand-deep:#0BA57A;
  --c-accent:#FF7A2F;
  --c-ink-1:#F2F6FF;
  --c-ink-2:#A9B6CC;
  --c-ink-3:#6C7A93;
  --r-xl:24px;
  --r-lg:18px;
  --r-sm:14px;
  --r-btn:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 16px 40px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(23,225,165,.35),0 8px 28px rgba(23,225,165,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg-1);
  color:var(--c-ink-1);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.85;
  letter-spacing:-0.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t)}
a:hover{color:#5CF3C4}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink-1);font-weight:600;line-height:1.25}
p{margin:0 0 16px}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,18,32,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:background var(--t),border-color var(--t);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
  transition:min-height var(--t);
}
.site-header.is-scrolled{background:rgba(5,8,15,.94);border-bottom-color:rgba(23,225,165,.22)}
.site-header.is-scrolled .header-inner{min-height:60px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));
  color:#04140E;font-weight:800;font-size:1.125rem;
  font-family:"Inter","Barlow Semi Condensed",system-ui,sans-serif;
  box-shadow:0 6px 18px rgba(23,225,165,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:1.0625rem;font-weight:700;color:var(--c-ink-1);letter-spacing:-0.01em}
.brand-sub{font-size:.6875rem;color:var(--c-ink-3);letter-spacing:.06em}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;flex:1 1 auto;gap:24px}
.main-nav ul{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.main-nav a{
  position:relative;display:block;padding:10px 14px;
  font-size:.9375rem;color:var(--c-ink-2);border-radius:10px;
  transition:color var(--t),background var(--t);
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:4px;
  width:0;height:2px;background:var(--c-brand);
  transform:translateX(-50%);
  transition:width 180ms var(--ease);
}
.main-nav a:hover{color:var(--c-ink-1);background:rgba(255,255,255,.04)}
.main-nav a:hover::after{width:calc(100% - 28px)}
.main-nav a.is-active{color:var(--c-brand)}
.main-nav a.is-active::after{width:calc(100% - 28px)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line-2);background:var(--c-glass);color:var(--c-ink-1);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8}

/* ============ Mega ============ */
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:10px;
  background:transparent;border:1px solid transparent;
  color:var(--c-ink-2);font-size:.9375rem;cursor:pointer;
  transition:color var(--t),border-color var(--t),background var(--t);
}
.mega-trigger::after{
  content:"";width:7px;height:7px;margin-top:-3px;
  border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:rotate(45deg);transition:transform var(--t);
}
.mega:hover .mega-trigger,.mega:focus-within .mega-trigger{color:var(--c-ink-1);border-color:var(--c-line-2);background:rgba(255,255,255,.04)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:720px;
  padding:24px;border-radius:24px;
  background:linear-gradient(180deg,rgba(16,27,46,.96),rgba(10,18,32,.98));
  border:1px solid var(--c-line-2);
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity 160ms var(--ease),transform 160ms var(--ease),visibility 160ms;
  display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:24px;
  z-index:1040;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{
  font-size:.6875rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--c-ink-3);margin-bottom:12px;font-weight:600;
}
.mega-links li{margin-bottom:2px}
.mega-links a{
  position:relative;display:block;padding:9px 10px 9px 16px;
  font-size:.9375rem;color:var(--c-ink-2);border-radius:10px;
  transition:color var(--t),background var(--t);
}
.mega-links a::before{
  content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--c-brand);
  transition:height 180ms var(--ease);
}
.mega-links a:hover{color:var(--c-ink-1);background:rgba(255,255,255,.04)}
.mega-links a:hover::before{height:18px}
.mega-mini{display:flex;gap:12px;align-items:center;padding:10px;border-radius:14px;transition:background var(--t)}
.mega-mini:hover{background:rgba(255,255,255,.04)}
.mega-mini img{width:48px;height:48px;border-radius:10px;object-fit:cover;flex:0 0 auto}
.mega-mini span{display:block;font-size:.875rem;color:var(--c-ink-1);line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.mega-mini time{font-size:.75rem;color:var(--c-ink-3)}
.mega-entry{
  border-radius:24px;padding:20px;
  background:var(--c-glass);border:1px solid var(--c-line-2);
  display:flex;flex-direction:column;gap:14px;
}
.mega-entry p{font-size:.875rem;color:var(--c-ink-2);margin:0;line-height:1.7}

/* ============ Buttons ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));
  color:#04140E;font-weight:600;font-size:.9375rem;
  border:none;cursor:pointer;
  box-shadow:var(--sh-glow);
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-main:hover{color:#04140E;filter:brightness(1.06);box-shadow:0 0 0 1px rgba(23,225,165,.5),0 12px 34px rgba(23,225,165,.34)}
.btn-main:active{transform:translateY(1px)}
.btn-outline-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:transparent;border:1px solid rgba(23,225,165,.55);
  color:var(--c-brand);font-weight:500;font-size:.9375rem;cursor:pointer;
  transition:background var(--t),border-color var(--t),color var(--t);
}
.btn-outline-x:hover{background:rgba(23,225,165,.10);border-color:var(--c-brand);color:var(--c-brand)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--c-ink-2);font-size:.9375rem;background:none;border:none;
  padding:8px 0;cursor:pointer;transition:color var(--t);
}
.btn-ghost svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;transition:transform var(--t)}
.btn-ghost:hover{color:var(--c-brand)}
.btn-ghost:hover svg{transform:translateX(4px)}
.btn-ghost.is-back:hover svg{transform:translateX(-4px)}
.btn-sm-x{min-height:40px;padding:9px 20px;font-size:.875rem}

/* ============ Breadcrumb ============ */
.crumb-bar{padding:22px 0 0}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-ink-3)}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-brand)}
.crumb .sep{color:rgba(255,255,255,.22)}
.crumb .now{color:var(--c-ink-2);max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ============ Article head ============ */
.post-head{padding:28px 0 36px;border-bottom:1px solid var(--c-line)}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;font-size:12px;font-weight:500;
  background:rgba(23,225,165,.12);color:var(--c-brand);
}
.badge-x.is-hot{background:rgba(255,122,47,.14);color:var(--c-accent)}
.post-title{
  font-size:clamp(1.85rem,3.6vw,2.9rem);font-weight:700;line-height:1.2;
  letter-spacing:-0.01em;margin:18px 0 18px;max-width:900px;
}
.post-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:.8125rem;color:var(--c-ink-3)}
.post-meta i{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.24);display:inline-block}
.post-cover{
  margin-top:28px;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--c-line-2);box-shadow:var(--sh-1);
  aspect-ratio:16/9;background:linear-gradient(135deg,#0A1220,#0BA57A);
}
.post-cover img{width:100%;height:100%;object-fit:cover}

/* ============ Layout ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:48px 0 24px}
@media (min-width:1200px){.article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:56px}}

/* ============ Prose ============ */
.prose{max-width:780px;font-size:1.0625rem;line-height:1.9;color:var(--c-ink-2)}
.prose h2{
  position:relative;margin:48px 0 18px;padding-left:16px;
  font-size:clamp(1.375rem,2.2vw,1.75rem);color:var(--c-ink-1);
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-brand),var(--c-brand-deep));
}
.prose h3{margin:32px 0 12px;font-size:1.125rem;color:var(--c-ink-1)}
.prose p{margin:0 0 18px;color:var(--c-ink-2)}
.prose strong{color:var(--c-ink-1);font-weight:600}
.prose a{color:var(--c-brand);border-bottom:1px solid rgba(23,225,165,.4)}
.prose a:hover{border-bottom-color:var(--c-brand)}
.prose ul,.prose ol{margin:0 0 20px;padding-left:2px}
.prose li{position:relative;padding-left:22px;line-height:1.8;margin-bottom:8px}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--c-brand);box-shadow:0 0 0 4px rgba(23,225,165,.12);
}
.prose ol{counter-reset:li}
.prose ol li{counter-increment:li}
.prose ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:.1em;font-size:.8125rem;color:var(--c-brand);
  font-family:"Inter",system-ui,sans-serif;font-weight:600;
}
.prose blockquote{
  margin:26px 0;padding:20px 22px;border-left:3px solid var(--c-brand);
  background:var(--c-glass);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-ink-2);font-style:normal;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-sm);margin:24px 0 8px}
.prose figcaption,.prose .caption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-bottom:24px}
.prose table{
  width:100%;border-collapse:separate;border-spacing:0;
  display:block;overflow:hidden;margin:26px 0;
  border:1px solid var(--c-line-2);border-radius:var(--r-sm);
}
.prose thead{display:none}
.prose tbody tr{
  display:block;padding:16px 18px;border-bottom:1px solid var(--c-line);
  background:rgba(255,255,255,.02);
}
.prose tbody tr:last-child{border-bottom:none}
.prose tbody td{display:block;padding:4px 0;border:none;font-size:.9375rem}
.prose tbody td:first-child{color:var(--c-brand);font-weight:600;font-size:.875rem}
.prose hr{border:none;border-top:1px solid var(--c-line);margin:40px 0}

/* ============ Empty ============ */
.empty-state{
  padding:72px 24px;text-align:center;border-radius:var(--r-lg);
  border:1px dashed var(--c-line-2);background:rgba(255,255,255,.02);
}
.empty-state svg{width:72px;height:72px;stroke:var(--c-ink-3);fill:none;stroke-width:1.4;opacity:.4;margin:0 auto 18px}
.empty-state p{color:var(--c-ink-2);margin-bottom:18px}

/* ============ Tags & share ============ */
.post-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;
  border:1px solid var(--c-line-2);font-size:.8125rem;color:var(--c-ink-2);
  background:transparent;transition:background var(--t),color var(--t),border-color var(--t);
}
.tag-pill:hover{background:rgba(23,225,165,.08);border-color:rgba(23,225,165,.45);color:var(--c-brand)}
.share-row{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--c-ink-3)}
.share-row a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--c-line-2);color:var(--c-ink-2);background:var(--c-glass);
  transition:color var(--t),border-color var(--t),transform var(--t);
}
.share-row a:hover{color:var(--c-brand);border-color:rgba(23,225,165,.45);transform:translateY(-2px)}
.share-row svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6}

/* ============ Prev / Next ============ */
.postnav{display:grid;grid-template-columns:1fr;gap:16px;margin-top:32px}
@media (min-width:768px){.postnav{grid-template-columns:1fr 1fr}}
.postnav a{
  display:flex;align-items:center;gap:14px;padding:18px 20px;
  border-radius:var(--r-lg);border:1px solid var(--c-line-2);background:var(--c-glass);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.postnav a:hover{transform:translateY(-4px);border-color:rgba(23,225,165,.35);box-shadow:var(--sh-1)}
.postnav svg{width:20px;height:20px;stroke:var(--c-brand);fill:none;stroke-width:1.7;flex:0 0 auto}
.postnav span{display:block;font-size:.75rem;color:var(--c-ink-3);margin-bottom:4px}
.postnav strong{display:block;font-size:.9375rem;font-weight:600;color:var(--c-ink-1);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}

/* ============ Sidebar ============ */
.sidebar{display:none}
@media (min-width:1200px){
  .sidebar{display:block;position:sticky;top:96px;align-self:start}
}
.widget{
  border-radius:var(--r-lg);border:1px solid var(--c-line-2);
  background:var(--c-glass);padding:20px;margin-bottom:20px;
}
.widget h3{
  font-size:.8125rem;letter-spacing:.04em;color:var(--c-ink-1);
  margin-bottom:16px;font-weight:600;
}
.rank-list li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--c-line)}
.rank-list li:last-child{border-bottom:none}
.rank-list .num{
  font-family:"Inter",system-ui,sans-serif;font-size:.9375rem;font-weight:700;
  color:var(--c-ink-3);flex:0 0 22px;
}
.rank-list li:nth-child(-n+3) .num{color:var(--c-brand)}
.rank-list a{font-size:.875rem;color:var(--c-ink-2);line-height:1.6}
.rank-list a:hover{color:var(--c-brand)}
.cloud{display:flex;flex-wrap:wrap;gap:8px}
.cloud a{
  padding:6px 12px;border-radius:999px;border:1px solid var(--c-line-2);
  font-size:.8125rem;color:var(--c-ink-2);transition:background var(--t),color var(--t);
}
.cloud a:hover{background:rgba(23,225,165,.10);color:var(--c-brand)}
.entry-card{
  border-radius:var(--r-lg);padding:20px;
  background:linear-gradient(160deg,rgba(23,225,165,.14),rgba(255,255,255,.04));
  border:1px solid rgba(23,225,165,.3);
}
.entry-card p{font-size:.8125rem;color:var(--c-ink-2);line-height:1.7;margin-bottom:14px}

/* ============ Related ============ */
.section{padding:72px 0}
.section.alt{background:var(--c-bg-2)}
.section-head{margin-bottom:32px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2rem)}
.section-head p{margin-top:10px;color:var(--c-ink-2);font-size:.9375rem}
.related-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.related-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:767px){
  .related-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;gap:16px}
  .related-grid>*{flex:0 0 82%;scroll-snap-align:start}
  .related-grid::-webkit-scrollbar{height:6px}
  .related-grid::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
}
.card-x{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--c-line-2);background:var(--c-glass);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.card-x::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:linear-gradient(90deg,var(--c-brand),transparent);
  transition:width var(--t);
}
.card-x:hover{transform:translateY(-4px);border-color:rgba(23,225,165,.35);box-shadow:var(--sh-2)}
.card-x:hover::after{width:100%}
.card-x .thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0A1220,#0BA57A)}
.card-x .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.card-x:hover .thumb img{transform:scale(1.05)}
.card-x .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-x h3{font-size:1.0625rem;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-x h3 a{color:var(--c-ink-1)}
.card-x h3 a:hover{color:var(--c-brand)}
.card-meta{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--c-ink-3);margin-top:auto}
.card-meta i{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.24);display:inline-block}

/* ============ CTA strip ============ */
.cta-strip{
  display:flex;flex-direction:column;gap:20px;align-items:flex-start;
  padding:36px;border-radius:var(--r-xl);
  background:linear-gradient(135deg,rgba(23,225,165,.14),rgba(16,27,46,.9));
  border:1px solid rgba(23,225,165,.28);
}
@media (min-width:768px){.cta-strip{flex-direction:row;align-items:center;justify-content:space-between}}
.cta-strip h2{font-size:1.375rem;margin-bottom:8px}
.cta-strip p{color:var(--c-ink-2);font-size:.9375rem;margin:0}

/* ============ Footer ============ */
.site-footer{background:#04070D;border-top:1px solid var(--c-line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px}
.site-footer p{color:var(--c-ink-3);font-size:.875rem;line-height:1.8;max-width:340px}
.footer-col h3{font-size:.9375rem;margin-bottom:16px;color:var(--c-ink-1)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--c-ink-3);font-size:.875rem;display:inline-block;transition:color var(--t),transform var(--t)}
.footer-col ul a:hover{color:var(--c-brand);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:var(--c-ink-3);font-size:.875rem;margin-bottom:12px}
.footer-contact svg{width:18px;height:18px;stroke:var(--c-brand);fill:none;stroke-width:1.6;flex:0 0 auto;margin-top:4px}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:var(--c-ink-3);
}
.footer-bottom a{color:var(--c-ink-3)}
.footer-bottom a:hover{color:var(--c-brand)}

/* ============ Responsive ============ */
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex}
  .nav-wrap{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:8px;
    background:rgba(5,8,15,.98);border-bottom:1px solid var(--c-line);
    padding:16px 24px 24px;max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav-wrap.collapse:not(.show){display:none}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav a{padding:12px 10px;min-height:44px;display:flex;align-items:center}
  .main-nav a::after{display:none}
  .main-nav a.is-active{background:rgba(23,225,165,.10)}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:8px}
  .mega{width:100%}
  .mega-trigger{width:100%;justify-content:space-between;min-height:44px}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    display:none;box-shadow:none;margin-top:8px;padding:18px;
  }
  .mega:hover .mega-panel,.mega:focus-within .mega-panel{display:grid}
  .mega-panel{grid-template-columns:1fr}
  .btn-main{width:100%}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px}
  .section{padding:56px 0}
  .post-head{padding:20px 0 28px}
  .article-layout{padding:32px 0 16px;gap:40px}
  .cta-strip{padding:24px}
}
@media (max-width:575.98px){
  .post-meta{gap:8px;font-size:.78rem}
  .postnav strong{white-space:normal}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .card-x:hover,.postnav a:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --c-bg-0:#05080F;
  --c-bg-1:#0A1220;
  --c-bg-2:#101B2E;
  --c-glass:rgba(255,255,255,.06);
  --c-glass-line:rgba(255,255,255,.10);
  --c-brand:#17E1A5;
  --c-brand-deep:#0BA57A;
  --c-accent:#FF7A2F;
  --c-ink-1:#F2F6FF;
  --c-ink-2:#A9B6CC;
  --c-ink-3:#6C7A93;
  --c-line:rgba(255,255,255,.08);
  --r-xl:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-btn:12px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(23,225,165,.35),0 8px 28px rgba(23,225,165,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","Barlow Semi Condensed",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg-1);
  color:var(--c-ink-1);
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.85;
  letter-spacing:-0.005em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:var(--c-brand);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ BUTTONS ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;
  border:0;border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--c-brand) 0%,var(--c-brand-deep) 100%);
  color:#04231A;font-size:.9375rem;font-weight:700;letter-spacing:.01em;
  box-shadow:var(--shadow-glow);
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-main:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(23,225,165,.5),0 12px 34px rgba(23,225,165,.34);color:#04231A;}
.btn-main:active{transform:translateY(1px);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;
  border:1px solid rgba(23,225,165,.55);border-radius:var(--r-btn);
  background:transparent;color:var(--c-brand);
  font-size:.9375rem;font-weight:600;cursor:pointer;
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.btn-outline:hover{background:rgba(23,225,165,.08);border-color:var(--c-brand);color:var(--c-brand);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-ink-2);font-size:.9375rem;font-weight:600;
  background:none;border:0;padding:6px 0;cursor:pointer;
}
.btn-ghost .arrow{transition:transform var(--t);}
.btn-ghost:hover{color:var(--c-brand);}
.btn-ghost:hover .arrow{transform:translateX(4px);}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:72px;
  background:rgba(10,18,32,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:height var(--t),background var(--t),border-color var(--t);
}
.site-header.is-scrolled{
  height:60px;
  background:rgba(5,8,15,.88);
  border-bottom-color:var(--c-line);
}
.header-inner{
  height:100%;
  display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--c-brand) 0%,var(--c-brand-deep) 100%);
  color:#04231A;font-family:var(--font-num);font-size:1.125rem;font-weight:800;
  box-shadow:0 6px 18px rgba(23,225,165,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-family:var(--font-num);font-size:1.0625rem;font-weight:700;letter-spacing:.01em;color:var(--c-ink-1);}
.brand-sub{font-size:.6875rem;color:var(--c-ink-3);letter-spacing:.14em;}

.main-nav{flex:1;display:flex;justify-content:center;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:10px;
  font-size:.9375rem;font-weight:600;color:var(--c-ink-2);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:0;height:2px;background:var(--c-brand);
  transform:translateX(-50%);
  transition:width 180ms var(--ease);
}
.main-nav a:hover{color:var(--c-ink-1);}
.main-nav a:hover::after{width:60%;}
.main-nav a.is-active{color:var(--c-brand);}
.main-nav a.is-active::after{width:60%;}

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

/* Mega dropdown */
.mega-dropdown{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  min-height:40px;padding:0 16px;
  border:1px solid var(--c-glass-line);border-radius:var(--r-btn);
  background:var(--c-glass);color:var(--c-ink-1);
  font-size:.9375rem;font-weight:600;cursor:pointer;
  transition:border-color var(--t),background var(--t),color var(--t);
}
.mega-trigger:hover{border-color:rgba(23,225,165,.45);color:var(--c-brand);}
.mega-trigger::after{
  content:"";width:6px;height:6px;margin-left:2px;
  border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  transition:transform var(--t);
}
.mega-dropdown.show .mega-trigger::after{transform:rotate(225deg) translateY(-1px);}
.mega-panel{
  width:720px;padding:24px;
  margin-top:14px;left:auto;right:0;
  border:1px solid var(--c-glass-line);border-radius:var(--r-xl);
  background:rgba(16,27,46,.96);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-2);
  display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:24px;
}
.mega-panel.show{animation:megaIn 160ms var(--ease);}
@keyframes megaIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.mega-col-title{
  font-size:.75rem;letter-spacing:.14em;color:var(--c-ink-3);
  text-transform:uppercase;margin-bottom:12px;font-weight:600;
}
.mega-links li{margin-bottom:2px;}
.mega-links a{
  position:relative;display:block;
  padding:9px 10px 9px 14px;border-radius:10px;
  font-size:.9375rem;color:var(--c-ink-2);
}
.mega-links a::before{
  content:"";position:absolute;left:2px;top:50%;
  width:2px;height:0;background:var(--c-brand);
  transform:translateY(-50%);
  transition:height 180ms var(--ease);
}
.mega-links a:hover{background:rgba(255,255,255,.04);color:var(--c-ink-1);}
.mega-links a:hover::before{height:18px;}
.mega-posts li+li{margin-top:10px;}
.mega-post{display:flex;gap:12px;align-items:center;padding:8px;border-radius:12px;transition:background var(--t);}
.mega-post:hover{background:rgba(255,255,255,.05);}
.mega-post .thumb{
  width:48px;height:48px;flex:0 0 48px;border-radius:10px;overflow:hidden;
  background:linear-gradient(135deg,#0A1220,#0BA57A);
}
.mega-post .thumb img{width:100%;height:100%;object-fit:cover;}
.mega-post .txt{min-width:0;}
.mega-post .tt{
  display:block;font-size:.875rem;color:var(--c-ink-1);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.mega-post .tm{font-size:.75rem;color:var(--c-ink-3);}
.mega-entry{
  border:1px solid var(--c-glass-line);border-radius:var(--r-xl);
  background:var(--c-glass);padding:20px;
  display:flex;flex-direction:column;gap:12px;
}
.mega-entry p{font-size:.875rem;color:var(--c-ink-2);line-height:1.7;}

.nav-toggle{
  display:none;
  width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--c-glass-line);border-radius:12px;
  background:var(--c-glass);color:var(--c-ink-1);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mobile-nav{
  background:rgba(5,8,15,.98);
  border-bottom:1px solid var(--c-line);
  padding:16px 0 24px;
}
.mobile-nav ul{display:flex;flex-direction:column;}
.mobile-nav a{
  display:block;min-height:44px;line-height:44px;
  padding:0 4px;font-size:1rem;font-weight:600;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.mobile-nav a.is-active{color:var(--c-brand);}
.mobile-nav .btn-main{width:100%;margin-top:18px;}

/* ============ PAGE BANNER ============ */
.page-banner{
  position:relative;
  margin-top:72px;
  min-height:320px;
  display:flex;align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(5,8,15,.94) 0%,rgba(10,18,32,.78) 52%,rgba(10,18,32,.55) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:72px 0 44px;max-width:760px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:18px;
}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{opacity:.5;}
.crumb .cur{color:var(--c-ink-2);}
.page-banner h1{
  font-size:clamp(2rem,4.2vw,3.25rem);
  font-weight:700;line-height:1.15;letter-spacing:-0.01em;
}
.page-banner .lede{
  margin-top:16px;font-size:1rem;line-height:1.85;color:var(--c-ink-2);max-width:660px;
}

/* ============ TAG NAV ============ */
.tag-nav{
  position:sticky;top:60px;z-index:50;
  background:rgba(10,18,32,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
}
.tag-track{
  display:flex;gap:10px;overflow-x:auto;padding:14px 0;
  scrollbar-width:none;
}
.tag-track::-webkit-scrollbar{display:none;}
.tag-track a{
  flex:0 0 auto;
  padding:9px 18px;border-radius:999px;
  border:1px solid var(--c-glass-line);
  font-size:.875rem;font-weight:600;color:var(--c-ink-2);
  white-space:nowrap;
  transition:background var(--t),border-color var(--t),color var(--t);
}
.tag-track a:hover{background:rgba(23,225,165,.08);border-color:rgba(23,225,165,.4);color:var(--c-ink-1);}
.tag-track a.is-current{background:rgba(23,225,165,.14);border-color:rgba(23,225,165,.5);color:var(--c-brand);}

/* ============ SECTIONS ============ */
.section{padding:96px 0;}
.section-alt{background:var(--c-bg-2);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:.75rem;font-weight:600;
  letter-spacing:.14em;color:var(--c-brand);text-transform:uppercase;
  margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:20px;height:2px;background:var(--c-brand);}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2rem);
  font-weight:600;line-height:1.25;letter-spacing:-0.01em;
}
.section-head p{margin-top:14px;color:var(--c-ink-2);font-size:.9375rem;line-height:1.8;}

/* ============ BENTO ============ */
.bento{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.bento-card{
  position:relative;overflow:hidden;
  padding:24px;
  border:1px solid var(--c-glass-line);border-radius:var(--r-md);
  background:var(--c-glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;
}
.bento-card::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:linear-gradient(90deg,var(--c-brand),transparent);
  transition:width var(--t);
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(23,225,165,.3);box-shadow:var(--shadow-2);}
.bento-card:hover::after{width:100%;}
.bento-card h3{font-size:1.125rem;font-weight:600;line-height:1.4;margin-bottom:12px;}
.bento-card p{font-size:.9375rem;color:var(--c-ink-2);line-height:1.8;}
.bento-lg{grid-column:span 2;grid-row:span 2;}
.bento-wide{grid-column:span 3;}
.bento-media{
  border-radius:var(--r-sm);overflow:hidden;margin-bottom:20px;
  background:linear-gradient(135deg,#0A1220,#0BA57A);
  aspect-ratio:16/9;
}
.bento-media img{width:100%;height:100%;object-fit:cover;}
.bento-lg .bento-media{aspect-ratio:16/7;}
.bento-wide-inner{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:center;}
.bento-list{margin-top:16px;}
.bento-list li{
  position:relative;padding-left:20px;
  font-size:.9375rem;color:var(--c-ink-2);line-height:1.8;
}
.bento-list li+li{margin-top:8px;}
.bento-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--c-brand);box-shadow:0 0 10px rgba(23,225,165,.7);
}
.badge{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  font-size:.75rem;font-weight:600;letter-spacing:.02em;
  background:rgba(23,225,165,.12);color:var(--c-brand);
  margin-bottom:14px;align-self:flex-start;
}
.badge-hot{background:rgba(255,122,47,.14);color:var(--c-accent);}

/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:36px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;
  width:1px;background:linear-gradient(180deg,rgba(23,225,165,.7),rgba(23,225,165,.05));
}
.tl-item{position:relative;padding-bottom:40px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:8px;
  width:11px;height:11px;border-radius:50%;
  background:var(--c-brand);
  box-shadow:0 0 0 4px rgba(23,225,165,.14),0 0 16px rgba(23,225,165,.6);
}
.tl-num{
  font-family:var(--font-num);font-size:.8125rem;font-weight:700;
  letter-spacing:.14em;color:var(--c-brand);
}
.tl-item h3{font-size:1.0625rem;font-weight:600;margin:8px 0 8px;}
.tl-item p{font-size:.9375rem;color:var(--c-ink-2);max-width:620px;}

/* ============ COMPARE ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  padding:28px;border-radius:var(--r-md);
  border:1px solid var(--c-glass-line);
  background:var(--c-glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.compare-card:hover{transform:translateY(-4px);border-color:rgba(23,225,165,.3);box-shadow:var(--shadow-2);}
.compare-card.is-accent{border-color:rgba(255,122,47,.28);}
.compare-card h3{
  font-size:1.125rem;font-weight:600;margin-bottom:6px;
  display:flex;align-items:center;gap:10px;
}
.compare-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--c-brand);}
.compare-card.is-accent h3 .dot{background:var(--c-accent);}
.compare-sub{font-size:.8125rem;color:var(--c-ink-3);margin-bottom:18px;}
.compare-rows{border-top:1px solid var(--c-line);}
.compare-row{
  display:flex;gap:16px;padding:14px 0;
  border-bottom:1px solid var(--c-line);
  font-size:.9375rem;
}
.compare-row .k{flex:0 0 92px;color:var(--c-ink-3);}
.compare-row .v{color:var(--c-ink-2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-acc{border-top:1px solid var(--c-line);}
.faq-acc .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--c-line);
  border-radius:0;
}
.faq-acc .accordion-button{
  background:transparent;color:var(--c-ink-1);
  font-size:1rem;font-weight:600;line-height:1.6;
  padding:22px 44px 22px 0;box-shadow:none;
  transition:color var(--t),background var(--t);
}
.faq-acc .accordion-button:not(.collapsed){background:rgba(255,255,255,.03);color:var(--c-brand);}
.faq-acc .accordion-button:hover{color:var(--c-brand);}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:8px;top:50%;
  width:14px;height:14px;margin:0;
  background:none!important;
  transform:translateY(-50%) rotate(0deg);
  transition:transform var(--t),opacity var(--t);
  background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor)!important;
  background-size:14px 1.6px,1.6px 14px!important;
  background-position:center!important;
  background-repeat:no-repeat!important;
  color:var(--c-ink-2);
}
.faq-acc .accordion-button:not(.collapsed)::after{
  transform:translateY(-50%) rotate(45deg);
  color:var(--c-brand);
}
.faq-acc .accordion-body{
  padding:0 40px 24px 0;
  font-size:.9375rem;color:var(--c-ink-2);line-height:1.85;
}

/* ============ CTA BAR ============ */
.cta-bar{
  position:relative;overflow:hidden;
  border:1px solid var(--c-glass-line);border-radius:var(--r-xl);
  background:linear-gradient(120deg,rgba(23,225,165,.10) 0%,rgba(255,255,255,.04) 42%,rgba(255,255,255,.02) 100%);
  padding:48px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
}
.cta-bar::after{
  content:"";position:absolute;right:-80px;top:-80px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,225,165,.24),transparent 68%);
  pointer-events:none;
}
.cta-bar h2{font-size:clamp(1.5rem,2.4vw,1.875rem);font-weight:600;line-height:1.3;}
.cta-bar p{margin-top:12px;color:var(--c-ink-2);font-size:.9375rem;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;position:relative;z-index:2;}

/* ============ FOOTER ============ */
.site-footer{
  background:#04070D;
  border-top:1px solid var(--c-line);
  padding-top:72px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;}
.footer-brand .brand-main{font-size:1rem;}
.footer-brand .brand-sub{font-size:.6875rem;letter-spacing:.14em;color:var(--c-ink-3);}
.site-footer p{font-size:.875rem;color:var(--c-ink-2);line-height:1.85;max-width:340px;}
.footer-col h3{
  font-size:.9375rem;font-weight:600;margin-bottom:18px;color:var(--c-ink-1);
}
.footer-col li+li{margin-top:10px;}
.footer-col a{font-size:.875rem;color:var(--c-ink-2);display:inline-block;transition:color var(--t),transform var(--t);}
.footer-col a:hover{color:var(--c-brand);transform:translateX(2px);}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.875rem;color:var(--c-ink-2);line-height:1.7;
}
.footer-contact svg{
  width:18px;height:18px;flex:0 0 18px;margin-top:3px;
  stroke:var(--c-brand);fill:none;stroke-linecap:round;stroke-linejoin:round;
}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--c-ink-3);
}
.footer-bottom a{color:var(--c-ink-2);}
.footer-bottom a:hover{color:var(--c-brand);}

/* ============ RESPONSIVE ============ */
@media (max-width:1199.98px){
  .main-nav a{padding:10px 10px;font-size:.875rem;}
  .mega-panel{width:640px;grid-template-columns:1fr 1fr;}
  .mega-entry{grid-column:span 2;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-grid > div:last-child{grid-column:span 3;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-main{display:none;}
  .mega-dropdown{display:none;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-lg{grid-column:span 2;grid-row:auto;}
  .bento-wide{grid-column:span 2;}
  .bento-wide-inner{grid-template-columns:1fr;}
  .compare-grid{grid-template-columns:1fr;}
  .cta-bar{grid-template-columns:1fr;padding:36px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .page-banner{min-height:280px;margin-top:60px;}
  .banner-inner{padding:56px 0 36px;}
  .bento{grid-template-columns:1fr;gap:18px;}
  .bento-lg,.bento-wide{grid-column:span 1;}
  .tag-nav{top:60px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .footer-grid > div:last-child{grid-column:span 1;}
  .site-footer{padding-top:56px;}
}
@media (max-width:575.98px){
  .brand-sub{display:none;}
  .btn-main,.btn-outline{width:100%;}
  .cta-actions{flex-direction:column;}
  .compare-row{flex-direction:column;gap:4px;}
  .compare-row .k{flex:none;}
  .faq-acc .accordion-button{padding:18px 40px 18px 0;font-size:.9375rem;}
  .tl-item h3{font-size:1rem;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  .bento-card:hover,.compare-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --c-bg-0:#05080F;
  --c-bg-1:#0A1220;
  --c-bg-2:#101B2E;
  --c-glass:rgba(255,255,255,.06);
  --c-stroke:rgba(255,255,255,.10);
  --c-brand:#17E1A5;
  --c-brand-deep:#0BA57A;
  --c-accent:#FF7A2F;
  --c-ink-1:#F2F6FF;
  --c-ink-2:#A9B6CC;
  --c-ink-3:#6C7A93;
  --c-line:rgba(255,255,255,.08);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-btn:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 16px 40px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(23,225,165,.35), 0 8px 28px rgba(23,225,165,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","Barlow Semi Condensed",-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg-1);
  color:var(--c-ink-1);
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--c-brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(23,225,165,.3);color:#fff}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:.9375rem;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:linear-gradient(120deg,var(--c-brand),var(--c-brand-deep));
  color:#04140F;
  box-shadow:var(--sh-glow);
}
.btn-primary:hover{color:#04140F;filter:brightness(1.06);box-shadow:0 0 0 1px rgba(23,225,165,.5),0 12px 34px rgba(23,225,165,.34)}
.btn-outline{
  border:1px solid rgba(23,225,165,.5);
  color:var(--c-brand);
  background:transparent;
}
.btn-outline:hover{background:rgba(23,225,165,.08);color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost{
  padding:0 6px;
  min-height:36px;
  color:var(--c-ink-2);
  font-weight:600;
}
.btn-ghost .arw{transition:transform .22s var(--ease)}
.btn-ghost:hover{color:var(--c-brand)}
.btn-ghost:hover .arw{transform:translateX(4px)}
.btn-sm{min-height:38px;padding:0 18px;font-size:.875rem}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(10,18,32,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:height .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-scrolled{
  height:60px;
  border-bottom:1px solid var(--c-line);
  background:rgba(8,14,26,.92);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--c-brand),var(--c-brand-deep));
  color:#04140F;
  font-family:var(--font-num);
  font-size:1.125rem;
  font-weight:700;
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{
  font-family:var(--font-num);
  font-size:1.0625rem;
  font-weight:700;
  letter-spacing:.01em;
}
.brand-sub{
  font-size:.6875rem;
  color:var(--c-ink-3);
  letter-spacing:.14em;
}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;
  display:block;
  padding:10px 12px;
  font-size:.9375rem;
  color:var(--c-ink-2);
  border-radius:8px;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  width:0;height:2px;
  background:var(--c-brand);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .18s var(--ease);
}
.main-nav a:hover{color:var(--c-ink-1)}
.main-nav a:hover::after{width:60%}
.main-nav a.is-active{color:var(--c-brand)}
.main-nav a.is-active::after{width:60%}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--c-stroke);
  background:var(--c-glass);
  color:var(--c-ink-1);
  font-size:1.25rem;
  line-height:1;
}

/* ---------- 页面头 ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  padding:132px 0 44px;
  overflow:hidden;
  border-bottom:1px solid var(--c-line);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  filter:saturate(.9);
}
.page-hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(10,18,32,.94) 0%,rgba(10,18,32,.72) 45%,rgba(10,18,32,.96) 100%),
    linear-gradient(115deg,rgba(10,18,32,.9),rgba(11,165,122,.16));
}
.page-hero-inner{position:relative;z-index:2}
.breadcrumb-nav{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--c-ink-3);
  margin-bottom:18px;
}
.breadcrumb-nav a{color:var(--c-ink-3)}
.breadcrumb-nav a:hover{color:var(--c-brand)}
.breadcrumb-nav .sep{opacity:.55}
.page-hero h1{
  font-size:clamp(1.75rem,3.6vw,2.75rem);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.01em;
  max-width:900px;
}
.page-hero-sub{
  margin-top:14px;
  font-size:1rem;
  color:var(--c-ink-2);
  max-width:720px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:.8125rem;
  color:var(--c-ink-2);
  border:1px solid var(--c-stroke);
  background:var(--c-glass);
}
.chip.is-warm{
  color:var(--c-accent);
  background:rgba(255,122,47,.14);
  border-color:rgba(255,122,47,.28);
}

/* ---------- 主体布局：粘性目录 + 内容流 ---------- */
.cat-body{padding:72px 0 88px;background:var(--c-bg-1)}
.cat-grid{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.toc{
  position:sticky;
  top:96px;
  padding:24px 20px;
  border-radius:var(--r-md);
  background:var(--c-glass);
  border:1px solid var(--c-stroke);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
}
.toc-title{
  font-size:.75rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--c-ink-3);
  font-family:var(--font-num);
  margin-bottom:16px;
}
.toc ol{display:flex;flex-direction:column;gap:2px}
.toc a{
  display:block;
  padding:10px 12px 10px 16px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  font-size:.9375rem;
  color:var(--c-ink-2);
  transition:all .22s var(--ease);
}
.toc a:hover{color:var(--c-ink-1);background:rgba(255,255,255,.04);border-left-color:rgba(23,225,165,.5)}
.toc a.is-current{
  color:var(--c-brand);
  background:rgba(23,225,165,.08);
  border-left-color:var(--c-brand);
}
.toc-note{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--c-line);
  font-size:.8125rem;
  color:var(--c-ink-3);
  line-height:1.7;
}

.flow{display:flex;flex-direction:column;gap:56px}
.flow-block{
  padding:32px;
  border-radius:var(--r-lg);
  background:var(--c-glass);
  border:1px solid var(--c-stroke);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.flow-block:hover{border-color:rgba(23,225,165,.3);box-shadow:var(--sh-2)}
.block-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.block-head::before{
  content:"";
  width:3px;height:24px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--c-brand),var(--c-brand-deep));
  flex-shrink:0;
}
.block-head h2{
  font-size:clamp(1.25rem,2.1vw,1.625rem);
  font-weight:600;
  line-height:1.35;
}
.flow-block p{color:var(--c-ink-2);font-size:1rem;line-height:1.85}
.flow-block p + p{margin-top:14px}
.lead-line{color:var(--c-ink-1) !important}

/* 图文交替 */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:32px;
  align-items:center;
  margin-top:6px;
}
.split.rev .split-media{order:2}
.split-media{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--c-stroke);
  box-shadow:var(--sh-1);
}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-body h3{
  font-size:1.0625rem;
  font-weight:600;
  margin-bottom:12px;
}

/* 步骤 */
.steps{display:flex;flex-direction:column;gap:0;margin-top:8px}
.step{
  position:relative;
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:20px;
  padding:22px 0;
  border-bottom:1px solid var(--c-line);
}
.step:last-child{border-bottom:0;padding-bottom:4px}
.step-num{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:50%;
  font-family:var(--font-num);
  font-weight:700;
  font-size:.9375rem;
  color:var(--c-brand);
  background:rgba(23,225,165,.1);
  border:1px solid rgba(23,225,165,.28);
}
.step-body h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px}
.step-body p{font-size:.9375rem;color:var(--c-ink-2);line-height:1.8}

/* 要点两栏清单 */
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin-top:6px;
}
.check-card{
  padding:22px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.03);
  border:1px solid var(--c-line);
}
.check-card h3{
  font-size:.9375rem;
  font-weight:600;
  color:var(--c-brand);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.check-card ul{display:flex;flex-direction:column;gap:10px}
.check-card li{
  position:relative;
  padding-left:24px;
  font-size:.9375rem;
  color:var(--c-ink-2);
  line-height:1.75;
}
.check-card li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--c-brand);
  box-shadow:0 0 8px rgba(23,225,165,.6);
}

/* 规格行卡片 */
.spec-list{margin-top:6px;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--c-line)}
.spec-row{
  display:grid;
  grid-template-columns:180px minmax(0,1fr);
  gap:18px;
  padding:18px 22px;
  border-bottom:1px solid var(--c-line);
  background:rgba(255,255,255,.02);
  transition:background .22s var(--ease);
}
.spec-row:last-child{border-bottom:0}
.spec-row:hover{background:rgba(255,255,255,.05)}
.spec-key{
  font-size:.875rem;
  color:var(--c-ink-3);
  letter-spacing:.02em;
}
.spec-val{font-size:.9375rem;color:var(--c-ink-1);line-height:1.7}

/* FAQ */
.faq-wrap{margin-top:6px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 4px;
  text-align:left;
  font-size:1rem;
  font-weight:600;
  color:var(--c-ink-1);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--c-brand)}
.faq-q .plus{
  flex-shrink:0;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--c-stroke);
  font-size:1rem;
  line-height:1;
  color:var(--c-ink-2);
  transition:transform .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.faq-q[aria-expanded="true"] .plus{
  transform:rotate(45deg);
  color:var(--c-brand);
  border-color:rgba(23,225,165,.5);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{
  padding:0 4px 22px;
  font-size:.9375rem;
  color:var(--c-ink-2);
  line-height:1.85;
}
.faq-item.is-open{background:rgba(255,255,255,.03)}

/* CTA 条 */
.cta-band{
  margin-top:8px;
  padding:32px;
  border-radius:var(--r-lg);
  background:
    linear-gradient(120deg,rgba(23,225,165,.14),rgba(11,165,122,.06) 60%,rgba(255,122,47,.08)),
    var(--c-bg-2);
  border:1px solid rgba(23,225,165,.24);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:1.25rem;font-weight:600;margin-bottom:8px}
.cta-band p{font-size:.9375rem;color:var(--c-ink-2);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-bg-0);
  border-top:1px solid var(--c-line);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.15}
.site-footer p{font-size:.9375rem;color:var(--c-ink-2);line-height:1.8;max-width:340px}
.footer-col h3{
  font-size:.8125rem;
  letter-spacing:.14em;
  color:var(--c-ink-3);
  font-weight:600;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{
  display:inline-block;
  font-size:.9375rem;
  color:var(--c-ink-2);
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-col a:hover{color:var(--c-brand);transform:translateX(2px)}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:.9375rem;
  color:var(--c-ink-2);
  line-height:1.7;
}
.footer-contact svg{
  width:18px;height:18px;
  flex-shrink:0;
  margin-top:4px;
  stroke:var(--c-brand);
  fill:none;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:.8125rem;
  color:var(--c-ink-3);
}
.footer-bottom a{color:var(--c-ink-2);border-bottom:1px solid rgba(255,255,255,.16)}
.footer-bottom a:hover{color:var(--c-brand);border-color:var(--c-brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cat-grid{grid-template-columns:220px minmax(0,1fr);gap:40px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .site-header{height:64px}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .main-nav{
    position:absolute;
    top:100%;left:0;right:0;
    margin:0;
    background:rgba(8,14,26,.98);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--c-line);
    max-height:0;
    overflow:hidden;
    transition:max-height .3s var(--ease);
  }
  .main-nav.is-open{max-height:520px}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 18px}
  .main-nav a{padding:14px 8px;font-size:1rem;min-height:44px}
  .main-nav a::after{display:none}
  .main-nav a.is-active{background:rgba(23,225,165,.08);border-radius:10px}
  .header-actions .btn{display:none}
  .cat-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .toc{position:relative;top:0}
  .toc ol{flex-direction:row;flex-wrap:wrap;gap:8px}
  .toc a{
    border-left:0;
    border:1px solid var(--c-stroke);
    border-radius:999px;
    padding:8px 14px;
    font-size:.875rem;
  }
  .toc a.is-current{border-color:var(--c-brand);background:rgba(23,225,165,.08)}
  .toc-note{border-top:1px solid var(--c-line);margin-top:16px}
  .split{grid-template-columns:minmax(0,1fr);gap:24px}
  .split.rev .split-media{order:0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .page-hero{min-height:280px;padding:112px 0 36px}
  .cat-body{padding:56px 0 64px}
  .flow{gap:32px}
  .flow-block{padding:24px 20px;border-radius:var(--r-md)}
  .check-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .spec-row{grid-template-columns:minmax(0,1fr);gap:6px;padding:16px 18px}
  .cta-band{padding:24px 20px;flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .brand-main{font-size:1rem}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .step{grid-template-columns:40px minmax(0,1fr);gap:14px}
  .step-num{width:38px;height:38px;font-size:.875rem}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}