/* roulang page: index */
:root{
  --bg:#06121A;
  --bg-soft:#0B1F2A;
  --glass:rgba(10,30,40,0.55);
  --glass-strong:rgba(9,26,36,0.82);
  --cyan:#35E0D0;
  --violet:#7C6CFF;
  --gold:#F5B84B;
  --text:#EAF6F8;
  --muted:#9FB6BF;
  --line:rgba(53,224,208,0.18);
  --line-soft:rgba(234,246,248,0.08);
  --danger:#E8846F;
  --r-xl:28px;
  --r-lg:22px;
  --r-md:18px;
  --r-sm:12px;
  --shadow:0 25px 60px rgba(0,0,0,0.35);
  --shadow-soft:0 14px 36px rgba(0,0,0,0.28);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(53,224,208,0.10), transparent 62%),
    radial-gradient(900px 560px at 92% 6%, rgba(124,108,255,0.12), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
button{font:inherit;color:inherit;cursor:pointer;border:none;background:none;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:700;letter-spacing:.015em;}
p{margin:0;}
::selection{background:rgba(53,224,208,.28);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section-tight{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--cyan);
  text-transform:none;font-weight:600;
  padding:7px 14px;border-radius:999px;
  background:rgba(53,224,208,.08);border:1px solid var(--line);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(53,224,208,.9);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(28px,3.4vw,40px);margin:18px 0 16px;}
.section-head p{color:var(--muted);font-size:16.5px;max-width:660px;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;}
.head-row .section-head{margin-bottom:0;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(6,18,26,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:78px;}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:18.5px;letter-spacing:.02em;}
.brand:hover{color:var(--cyan);}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:12px;
  background:linear-gradient(140deg,rgba(53,224,208,.9),rgba(124,108,255,.85));
  display:grid;place-items:center;
  box-shadow:0 0 22px rgba(53,224,208,.35),inset 0 1px 0 rgba(255,255,255,.35);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text small{display:block;font-size:10.5px;letter-spacing:.22em;color:var(--muted);font-weight:500;line-height:1.4;}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  padding:6px;border-radius:999px;
  background:rgba(10,30,40,.5);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav-pill a{
  position:relative;
  padding:9px 18px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
}
.nav-pill a:hover{color:var(--cyan);background:rgba(53,224,208,.08);}
.nav-pill a.active{
  color:var(--cyan);background:rgba(53,224,208,.13);
  box-shadow:inset 0 0 0 1px rgba(53,224,208,.28),0 0 18px rgba(53,224,208,.18);
}
.nav-pill a::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%) scaleX(0);
  width:18px;height:2px;border-radius:2px;background:var(--cyan);
  box-shadow:0 0 10px rgba(53,224,208,.9);transition:transform .22s ease;
}
.nav-pill a:hover::after{transform:translateX(-50%) scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  background:rgba(10,30,40,.5);
  color:var(--muted);
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(53,224,208,.4);background:rgba(53,224,208,.09);}
.icon-btn svg{width:19px;height:19px;}
.hamburger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:rgba(10,30,40,.5);place-items:center;}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;margin:3px auto;transition:transform .24s ease,opacity .24s ease;}
.search-bar{
  display:none;
  border-top:1px solid var(--line-soft);
  background:rgba(6,18,26,.92);
  padding:14px 0;
}
.search-bar.open{display:block;}
.search-inner{display:flex;gap:12px;align-items:center;}
.search-inner input{
  flex:1;height:48px;padding:0 18px;border-radius:999px;
  background:rgba(10,30,40,.72);
  border:1px solid var(--line);
  color:var(--text);
  outline:none;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.search-inner input::placeholder{color:rgba(159,182,191,.7);}
.search-inner input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,224,208,.14);}
.search-hint{font-size:12.5px;color:var(--muted);}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,10,15,.72);
  backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:88;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,368px);
  background:linear-gradient(180deg,rgba(11,31,42,.98),rgba(6,18,26,.99));
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.22,.8,.3,1);
  z-index:90;
  display:flex;flex-direction:column;
  padding:22px 22px 32px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);}
.drawer-close:hover{color:var(--cyan);border-color:rgba(53,224,208,.4);}
.drawer-nav{display:flex;flex-direction:column;gap:8px;}
.drawer-nav a{
  padding:15px 16px;border-radius:var(--r-sm);
  border:1px solid transparent;color:var(--muted);font-size:16px;
}
.drawer-nav a:hover,.drawer-nav a.active{
  color:var(--cyan);background:rgba(53,224,208,.09);border-color:var(--line);
}
.drawer-foot{margin-top:auto;padding-top:26px;display:flex;flex-direction:column;gap:14px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .24s ease,background-color .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;}
.btn-primary{
  color:#04161A;
  background:linear-gradient(118deg,#35E0D0 0%,#5FD8E8 40%,#7C6CFF 100%);
  box-shadow:0 0 24px rgba(53,224,208,.35),0 12px 28px rgba(0,0,0,.32);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 34px rgba(53,224,208,.5),0 16px 34px rgba(0,0,0,.36);transform:translateY(-1px) scale(1.02);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  color:var(--text);background:rgba(10,30,40,.42);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.btn-ghost:hover{background:rgba(53,224,208,.11);border-color:rgba(53,224,208,.45);transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px;}
.btn-gold{color:#1A1204;background:linear-gradient(120deg,#F5B84B,#FFD98A);box-shadow:0 0 22px rgba(245,184,75,.3);}
.btn-gold:hover{filter:brightness(1.06);transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--cyan);
}
.link-arrow span{transition:transform .22s ease;}
.link-arrow:hover{color:var(--gold);}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(6,18,26,.97) 0%,rgba(6,18,26,.9) 42%,rgba(11,31,42,.72) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(53,224,208,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(53,224,208,.055) 1px,transparent 1px);
  background-size:66px 66px;
  mask-image:radial-gradient(circle at 60% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 60% 30%,#000 0%,transparent 78%);
}
.hero-inner{position:relative;z-index:2;padding:96px 0 104px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(34px,4.4vw,58px);
  line-height:1.18;font-weight:800;letter-spacing:.018em;
  margin:24px 0 22px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#35E0D0,#7C6CFF 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:#C7DAE0;font-size:17px;max-width:620px;line-height:1.85;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.point-chip{
  font-size:13px;color:var(--muted);
  padding:8px 14px;border-radius:999px;
  border:1px solid var(--line-soft);
  background:rgba(10,30,40,.42);
}
.point-chip b{color:var(--gold);font-weight:700;}

/* Hero side card */
.hero-card{
  background:var(--glass-strong);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:28px;
  position:relative;
  overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,208,.7),transparent);
}
.hero-card h2{font-size:17px;font-weight:700;margin-bottom:6px;}
.hero-card .card-note{font-size:12.5px;color:var(--muted);margin-bottom:20px;}
.stat-list{display:flex;flex-direction:column;gap:2px;}
.stat-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:14px 0;border-bottom:1px dashed var(--line-soft);
}
.stat-row:last-child{border-bottom:none;}
.stat-row .k{font-size:14px;color:var(--muted);}
.stat-row .v{font-size:19px;font-weight:800;color:var(--cyan);letter-spacing:.01em;}
.stat-row .v.gold{color:var(--gold);}
.hero-card-foot{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.hero-card-foot small{color:var(--muted);font-size:12.5px;}
.scroll-tip{
  position:absolute;right:28px;bottom:26px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--muted);
}
.scroll-tip i{
  display:block;width:1px;height:26px;
  background:linear-gradient(180deg,rgba(53,224,208,.9),transparent);
  animation:tipMove 1.9s ease-in-out infinite;
}
@keyframes tipMove{0%,100%{opacity:.35;transform:translateY(0);}50%{opacity:1;transform:translateY(5px);}}

/* ---------- Story ---------- */
.story-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:64px;align-items:center;}
.story-copy p{color:var(--muted);font-size:16.5px;margin-bottom:16px;}
.step-list{margin-top:34px;display:flex;flex-direction:column;gap:2px;}
.step{
  display:flex;gap:18px;padding:20px 0;
  border-top:1px solid var(--line-soft);
}
.step:last-child{border-bottom:1px solid var(--line-soft);}
.step-num{
  flex:none;width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  font-size:13.5px;font-weight:800;color:var(--cyan);letter-spacing:.04em;
  background:rgba(53,224,208,.09);
  border:1px solid var(--line);
}
.step h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.step p{color:var(--muted);font-size:14.5px;line-height:1.75;margin:0;}
.story-media{position:relative;}
.story-media img{
  width:100%;border-radius:var(--r-xl);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .34s ease;
  object-fit:cover;aspect-ratio:4/5;
}
.story-media:hover img{transform:scale(1.025);}
.story-media .float-tag{
  position:absolute;left:-14px;bottom:34px;
  padding:14px 20px;border-radius:var(--r-md);
  background:var(--glass-strong);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.story-media .float-tag b{display:block;font-size:22px;color:var(--gold);line-height:1.2;}
.story-media .float-tag span{font-size:12.5px;color:var(--muted);}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-item{
  position:relative;display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.bento-item:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.45);box-shadow:0 20px 48px rgba(0,0,0,.42);}
.bento-item .thumb{overflow:hidden;}
.bento-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .34s ease;}
.bento-item:hover .thumb img{transform:scale(1.04);}
.bento-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.bento-body h3{font-size:19px;line-height:1.45;}
.bento-body p{color:var(--muted);font-size:14.5px;line-height:1.78;}
.bento-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:5px 11px;border-radius:999px;
  color:var(--cyan);background:rgba(53,224,208,.1);
  border:1px solid rgba(53,224,208,.25);
}
.badge.violet{color:#BFB6FF;background:rgba(124,108,255,.14);border-color:rgba(124,108,255,.3);}
.badge.gold{color:var(--gold);background:rgba(245,184,75,.12);border-color:rgba(245,184,75,.3);}
.bento-a{grid-column:span 7;}
.bento-b{grid-column:span 5;}
.bento-c{grid-column:span 5;}
.bento-d{grid-column:span 7;}
.bento-a .thumb{aspect-ratio:16/9;}
.bento-b .thumb{aspect-ratio:16/10;}
.bento-c .thumb{aspect-ratio:16/10;}
.bento-a .bento-body h3{font-size:24px;}
.bento-wide{flex-direction:row;}
.bento-wide .thumb{flex:0 0 44%;aspect-ratio:auto;}
.bento-wide .bento-body{justify-content:center;}

/* ---------- News / CMS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;gap:20px;align-items:stretch;
  padding:18px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-soft);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.45);box-shadow:0 20px 46px rgba(0,0,0,.4);}
.news-thumb{
  flex:0 0 168px;border-radius:var(--r-sm);overflow:hidden;
  border:1px solid var(--line-soft);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;transition:transform .34s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{display:flex;flex-direction:column;gap:9px;min-width:0;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
.news-body h3{font-size:17px;line-height:1.5;}
.news-body h3 a:hover{color:var(--cyan);}
.news-body p{
  color:var(--muted);font-size:14px;line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:64px 24px;text-align:center;
  border:1px dashed rgba(53,224,208,.34);
  border-radius:var(--r-lg);
  background:rgba(10,30,40,.42);
}
.empty-state svg{width:34px;height:34px;color:var(--cyan);opacity:.8;}
.empty-state p{color:var(--muted);font-size:15px;}

/* ---------- Trust ---------- */
.trust-wrap{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,31,42,.7),rgba(6,18,26,.35));
}
.metric-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);
  background:rgba(10,30,40,.42);
}
.metric{
  padding:30px 26px;
  border-right:1px solid var(--line-soft);
  transition:background-color .24s ease;
}
.metric:last-child{border-right:none;}
.metric:hover{background:rgba(53,224,208,.06);}
.metric b{display:block;font-size:32px;font-weight:800;color:var(--cyan);line-height:1.1;letter-spacing:.01em;}
.metric b.gold{color:var(--gold);}
.metric b.violet{color:#A79DFF;}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);}
.marquee{
  margin-top:30px;overflow:hidden;position:relative;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee-track{display:flex;gap:14px;width:max-content;animation:slide 34s linear infinite;}
.marquee:hover .marquee-track{animation-play-state:paused;}
@keyframes slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.marquee-chip{
  flex:none;
  padding:11px 20px;border-radius:999px;
  font-size:13.5px;color:var(--muted);white-space:nowrap;
  border:1px solid var(--line);
  background:rgba(10,30,40,.5);
}
.marquee-chip b{color:var(--cyan);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.faq-item{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .24s ease,background-color .24s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,#35E0D0,#7C6CFF);
  transform:scaleY(0);transform-origin:top;
  transition:transform .26s ease;
}
.faq-item.open{border-color:rgba(53,224,208,.42);background:rgba(10,32,42,.72);}
.faq-item.open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q:hover{color:var(--cyan);}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--cyan);
  font-size:16px;line-height:1;transition:transform .26s ease,background-color .24s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(53,224,208,.14);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-item.open .faq-a{max-height:320px;}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:14.8px;line-height:1.82;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  border:1px solid rgba(53,224,208,.3);
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(6,18,26,.96),rgba(11,31,42,.86) 55%,rgba(124,108,255,.24));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:44px;align-items:center;padding:56px;}
.cta-inner h2{font-size:clamp(26px,3vw,36px);margin-bottom:14px;}
.cta-inner p{color:#C7DAE0;font-size:15.5px;}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe-form input{
  flex:1;min-width:220px;height:52px;padding:0 20px;border-radius:999px;
  background:rgba(6,18,26,.72);
  border:1px solid var(--line);
  color:var(--text);outline:none;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.subscribe-form input::placeholder{color:rgba(159,182,191,.75);}
.subscribe-form input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,224,208,.14);}
.form-msg{margin-top:14px;font-size:13.5px;color:var(--muted);min-height:20px;}
.form-msg.error{color:var(--danger);}
.form-msg.ok{color:var(--cyan);}
.privacy-note{margin-top:12px;font-size:12.5px;color:rgba(159,182,191,.85);}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(6,18,26,.4),rgba(3,10,15,.92));
  padding-top:76px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px;}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:16px;max-width:320px;line-height:1.8;}
.footer-col h3{font-size:14.5px;font-weight:700;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom .sep{opacity:.4;margin:0 8px;}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-inner{padding:76px 0 84px;}
  .story-grid{grid-template-columns:1fr;gap:44px;}
  .story-media img{aspect-ratio:16/10;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-inner{grid-template-columns:1fr;gap:30px;padding:44px 32px;}
  .bento-a,.bento-b,.bento-c,.bento-d{grid-column:span 12;}
  .bento-wide{flex-direction:column;}
  .bento-wide .thumb{flex:none;aspect-ratio:16/9;}
}
@media (max-width:980px){
  .nav-pill{display:none;}
  .hamburger{display:grid;}
  .header-actions .btn{display:none;}
}
@media (max-width:820px){
  .news-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric{border-bottom:1px solid var(--line-soft);}
  .metric:nth-child(2n){border-right:none;}
}
@media (max-width:768px){
  body{font-size:15px;}
  .section{padding:60px 0;}
  .section-tight{padding:52px 0;}
  .section-head{margin-bottom:34px;}
  .container{padding:0 18px;}
  .header-inner{height:70px;}
  .hero-inner{padding:56px 0 68px;}
  .hero-cta .btn{width:100%;}
  .btn{min-height:48px;}
  .news-card{flex-direction:column;gap:14px;}
  .news-thumb{flex:none;width:100%;}
  .news-thumb img{aspect-ratio:16/9;}
  .story-media .float-tag{left:12px;bottom:16px;padding:12px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:40px;}
  .cta-inner{padding:34px 22px;}
  .subscribe-form input{min-width:100%;}
  .subscribe-form .btn{width:100%;}
  .scroll-tip{display:none;}
  .faq-q{padding:18px 20px;font-size:15.2px;}
  .faq-a p{padding:0 20px 18px;}
}
@media (max-width:520px){
  .metric-row{grid-template-columns:1fr;}
  .metric{border-right:none;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .bento-body{padding:20px 20px 22px;}
  .bento-a .bento-body h3{font-size:20px;}
  .brand-text{font-size:16.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

/* roulang page: article */
:root{
  --bg:#06121A;
  --bg-2:#0B1F2A;
  --glass:rgba(10,30,40,.55);
  --glass-2:rgba(10,30,40,.78);
  --cyan:#35E0D0;
  --violet:#7C6CFF;
  --gold:#F5B84B;
  --text:#EAF6F8;
  --muted:#9FB6BF;
  --border:rgba(53,224,208,.18);
  --border-strong:rgba(53,224,208,.42);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 25px 60px rgba(0,0,0,.35);
  --shadow-glow:0 0 24px rgba(53,224,208,.35);
  --font: "Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(circle at 12% 8%, rgba(53,224,208,.10), transparent 45%),
    radial-gradient(circle at 88% 4%, rgba(124,108,255,.12), transparent 42%),
    radial-gradient(circle at 50% 100%, rgba(53,224,208,.06), transparent 55%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:80px 0;position:relative;z-index:1}

/* ---------- 顶部进度条 ---------- */
.read-progress{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--violet));
  box-shadow:0 0 12px rgba(53,224,208,.7);
  z-index:80;transition:width .12s linear;
}

/* ---------- 站点头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,18,26,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:74px;
}
.brand{display:inline-flex;align-items:center;gap:11px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  box-shadow:0 8px 22px rgba(53,224,208,.28);
  flex:0 0 auto;
}
.brand-mark svg{width:21px;height:21px}
.brand-text{
  font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--text);
}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  padding:6px;border-radius:999px;
  background:rgba(11,31,42,.72);
  border:1px solid var(--border);
}
.nav-pill a{
  position:relative;
  padding:9px 17px;border-radius:999px;
  font-size:14.5px;color:var(--muted);
  transition:color .22s ease,background .22s ease;
  min-height:38px;display:inline-flex;align-items:center;
}
.nav-pill a:hover{color:#fff;background:rgba(53,224,208,.09)}
.nav-pill a.active{color:var(--text);background:rgba(53,224,208,.12)}
.nav-pill a::after{
  content:"";position:absolute;left:50%;bottom:4px;
  width:4px;height:4px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px var(--cyan);
  transform:translate(-50%,4px);opacity:0;transition:.22s ease;
}
.nav-pill a:hover::after,.nav-pill a.active::after{opacity:1;transform:translate(-50%,0)}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(11,31,42,.7);
  border:1px solid var(--border);
  color:var(--muted);cursor:pointer;
  transition:.22s ease;
}
.icon-btn:hover{color:var(--cyan);border-color:var(--border-strong);box-shadow:0 0 18px rgba(53,224,208,.22)}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  color:#04161A;font-weight:800;font-size:14.5px;
  box-shadow:var(--shadow-glow);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  min-height:44px;
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 34px rgba(53,224,208,.5);transform:scale(1.02)}
.btn-primary:active{transform:scale(.98)}
.btn-primary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;cursor:pointer;
  background:rgba(10,30,40,.45);
  border:1px solid rgba(53,224,208,.45);
  color:var(--text);font-weight:600;font-size:14.5px;
  transition:.22s ease;min-height:44px;
}
.btn-ghost:hover{background:rgba(53,224,208,.12);border-color:var(--border-strong)}
.btn-ghost:active{transform:scale(.98)}
.btn-ghost:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.nav-toggle{display:none}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,9,13,.7);
  backdrop-filter:blur(3px);opacity:0;visibility:hidden;
  transition:.25s ease;z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
  background:linear-gradient(180deg,#0B1F2A,#06121A);
  border-left:1px solid var(--border);
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  z-index:75;padding:22px;display:flex;flex-direction:column;gap:22px;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:40px;height:40px;border-radius:50%;background:rgba(53,224,208,.1);
  border:1px solid var(--border);color:var(--text);font-size:20px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:14px 16px;border-radius:var(--radius-sm);font-size:15.5px;
  color:var(--muted);border:1px solid transparent;transition:.2s ease;
}
.drawer-nav a:hover,.drawer-nav a.active{
  color:var(--text);background:rgba(53,224,208,.09);border-color:var(--border);
}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- 文章主体 ---------- */
.page-head{padding:34px 0 8px;position:relative;z-index:1}
.crumbs{
  display:flex;align-items:center;gap:10px;flex-wrap:nowrap;
  font-size:13px;color:var(--muted);
  overflow-x:auto;scrollbar-width:none;padding-bottom:4px;
}
.crumbs::-webkit-scrollbar{display:none}
.crumbs a{color:var(--cyan);opacity:.9;white-space:nowrap}
.crumbs a:hover{opacity:1;color:var(--gold)}
.crumbs .sep{color:rgba(159,182,191,.5)}
.crumbs .now{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46ch}
.article-head{padding:22px 0 0;max-width:900px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--cyan);background:rgba(53,224,208,.1);
  border:1px solid var(--border);
}
.article-h1{
  font-size:clamp(30px,4.2vw,50px);
  font-weight:800;line-height:1.22;letter-spacing:.02em;
  margin:18px 0 0;
}
.meta-row{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  margin-top:20px;font-size:13.5px;color:var(--muted);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(159,182,191,.5)}
.share-group{display:flex;gap:8px;margin-left:auto}
.share-btn{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:rgba(11,31,42,.7);border:1px solid var(--border);
  color:var(--muted);transition:.22s ease;
}
.share-btn:hover{color:var(--cyan);border-color:var(--border-strong);transform:translateY(-2px)}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 268px;
  gap:44px;
  align-items:start;
  padding:36px 0 0;
}
.hero-cover{
  border-radius:var(--radius-md);
  overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  margin-bottom:36px;
}
.hero-cover img{width:100%;height:auto;object-fit:cover;aspect-ratio:16/9}

.article-panel{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:38px 40px 44px;
  position:relative;
}
.article-panel::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
  border-top:1px solid rgba(255,255,255,.07);pointer-events:none;
}
.article-body{
  font-size:16.5px;line-height:1.92;color:var(--text);
  max-width:780px;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.35em;color:#DCEAEE}
.article-body h2{
  font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;
  margin:2.1em 0 .85em;padding-left:14px;
  border-left:3px solid var(--cyan);
  letter-spacing:.01em;
}
.article-body h3{
  font-size:18.5px;font-weight:600;margin:1.7em 0 .7em;color:#fff;
}
.article-body strong{color:#fff;font-weight:700}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(53,224,208,.35)}
.article-body a:hover{color:var(--gold);border-color:rgba(245,184,75,.5)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.35em}
.article-body ul li,.article-body ol li{margin:.5em 0;color:#DCEAEE;list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li::marker{color:var(--cyan)}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--violet);
  background:rgba(124,108,255,.08);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#D9E6EA;
}
.article-body img{
  border-radius:var(--radius-md);margin:1.6em 0;
  border:1px solid var(--border);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{
  padding:12px 16px;border:1px solid var(--border);text-align:left;
}
.article-body th{background:rgba(53,224,208,.08);color:#fff;font-weight:600}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  background:rgba(53,224,208,.1);border-radius:6px;
  padding:2px 7px;font-size:.9em;color:var(--cyan);
}
.article-body pre{
  background:#05101a;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:18px;overflow-x:auto;margin:1.6em 0;font-size:14px;
}
.article-body pre code{background:none;padding:0;color:#CFE7EA}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2.2em 0}

/* 目录 */
.toc-card{
  position:sticky;top:96px;
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  padding:22px;
}
.toc-title{
  font-size:14px;font-weight:700;letter-spacing:.06em;
  color:var(--cyan);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.toc-title::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px var(--cyan);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;
  font-size:13.5px;color:var(--muted);line-height:1.55;
  border-left:2px solid transparent;transition:.2s ease;
}
.toc-list a:hover{color:var(--text);background:rgba(53,224,208,.08)}
.toc-list a.on{color:var(--cyan);border-left-color:var(--cyan);background:rgba(53,224,208,.08)}
.toc-sub a{padding-left:22px;font-size:13px}
.toc-empty{font-size:13px;color:var(--muted);padding:6px 10px}
.toc-side-card{
  margin-top:18px;padding:18px;
  border-radius:var(--radius-md);
  border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(124,108,255,.14),rgba(53,224,208,.06));
}
.toc-side-card h4{font-size:14.5px;font-weight:700;margin-bottom:8px}
.toc-side-card p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:12px}
.toc-side-card a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:var(--cyan);
  transition:gap .2s ease,color .2s ease;
}
.toc-side-card a:hover{gap:10px;color:var(--gold)}
.toc-mobile{display:none}

/* 来源说明 */
.source-note{
  margin-top:34px;padding:18px 22px;
  border-radius:var(--radius-md);
  border:1px dashed var(--border);
  background:rgba(10,30,40,.42);
  font-size:13.5px;color:var(--muted);line-height:1.8;
}
.source-note strong{color:var(--text)}

/* 相关推荐 */
.block-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:18px;margin-bottom:28px;
}
.block-head h2{
  font-size:clamp(22px,3vw,32px);font-weight:700;letter-spacing:.01em;
}
.block-head p{font-size:14px;color:var(--muted);margin-top:8px}
.link-more{
  font-size:14px;color:var(--cyan);display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s ease,color .2s ease;white-space:nowrap;
}
.link-more:hover{gap:11px;color:var(--gold)}
.reco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.reco-card{
  background:var(--glass);border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  display:flex;flex-direction:column;
}
.reco-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 30px 60px rgba(0,0,0,.45)}
.reco-thumb{overflow:hidden;aspect-ratio:16/10}
.reco-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.reco-card:hover .reco-thumb img{transform:scale(1.04)}
.reco-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.reco-body h3{font-size:16.5px;font-weight:700;line-height:1.55}
.reco-body p{font-size:13.5px;color:var(--muted);line-height:1.75}
.reco-meta{margin-top:auto;font-size:12.5px;color:var(--muted);display:flex;gap:12px;align-items:center}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:12px;color:var(--gold);background:rgba(245,184,75,.1);
  border:1px solid rgba(245,184,75,.22);
}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.faq-item{
  background:var(--glass);border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;position:relative;
  transition:border-color .22s ease;
}
.faq-item[open]{border-color:var(--border-strong)}
.faq-item::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--cyan);opacity:0;transition:opacity .22s ease;
}
.faq-item[open]::after{opacity:1}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:18px 46px 18px 22px;font-size:15.5px;font-weight:600;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--cyan);font-weight:400;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.85}

/* 订阅 CTA */
.cta-wrap{
  border-radius:28px;overflow:hidden;position:relative;
  border:1px solid var(--border);
  background:linear-gradient(120deg,rgba(11,31,42,.94),rgba(6,18,26,.9));
  box-shadow:var(--shadow-card);
}
.cta-wrap::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.2;mix-blend-mode:luminosity;
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
  padding:52px 48px;
}
.cta-inner h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.35}
.cta-inner p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.85}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 220px;min-height:46px;padding:0 18px;border-radius:999px;
  background:rgba(6,18,26,.7);border:1px solid var(--border);
  color:var(--text);font-size:14.5px;font-family:inherit;
  transition:.22s ease;
}
.sub-form input::placeholder{color:rgba(159,182,191,.75)}
.sub-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,224,208,.16)}
.form-tip{margin-top:12px;font-size:12.5px;color:var(--muted)}
.form-msg{margin-top:10px;font-size:13px;color:var(--cyan);min-height:18px}

/* 页脚 */
.site-footer{
  margin-top:96px;border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(11,31,42,.6),rgba(6,18,26,.96));
  padding:64px 0 28px;position:relative;z-index:1;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:42ch}
.footer-col h3{
  font-size:14px;font-weight:700;color:var(--text);
  margin-bottom:16px;letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--cyan);padding-left:4px}
.footer-col span{font-size:13.5px;color:var(--muted)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(53,224,208,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(159,182,191,.85);
}
.footer-bottom .sep{margin:0 6px;color:rgba(159,182,191,.5)}

/* 响应式 */
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .toc-card{display:none}
  .toc-mobile{
    display:block;margin-bottom:24px;
    background:var(--glass);border:1px solid var(--border);
    border-radius:var(--radius-md);padding:16px 18px;
  }
  .toc-mobile summary{
    cursor:pointer;list-style:none;font-size:14.5px;font-weight:700;color:var(--cyan);
    display:flex;align-items:center;justify-content:space-between;
  }
  .toc-mobile summary::-webkit-details-marker{display:none}
  .toc-mobile summary::after{content:"▾";color:var(--muted)}
  .toc-mobile[open] summary::after{content:"▴"}
  .toc-mobile .toc-list{margin-top:14px;max-height:none}
}
@media (max-width:1024px){
  .nav-pill{display:none}
  .header-actions .icon-btn{display:none}
  .nav-toggle{display:grid}
  .header-actions .btn-primary{display:none}
  .section{padding:64px 0}
  .reco-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-inner{grid-template-columns:1fr;padding:42px 32px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .article-panel{padding:26px 20px 32px;border-radius:var(--radius-md)}
  .article-body{font-size:16px;line-height:1.88}
  .reco-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .share-group{margin-left:0;width:100%}
  .meta-row{gap:12px}
  .article-h1{font-size:clamp(24px,6vw,34px)}
  .site-footer{margin-top:64px;padding:48px 0 24px}
}
@media (max-width:520px){
  .brand-text{font-size:17px}
  .article-body h2{font-size:19px}
  .article-body h3{font-size:17px}
}

/* roulang page: category1 */
:root{
  --bg:#06121A;
  --bg-2:#0B1F2A;
  --glass:rgba(10,30,40,.55);
  --primary:#35E0D0;
  --violet:#7C6CFF;
  --gold:#F5B84B;
  --text:#EAF6F8;
  --muted:#9FB6BF;
  --line:rgba(53,224,208,.18);
  --line-strong:rgba(53,224,208,.42);
  --r-sm:12px;
  --r-md:18px;
  --r-lg:24px;
  --r-xl:28px;
  --shadow:0 25px 60px rgba(0,0,0,.35);
  --shadow-soft:0 14px 34px rgba(0,0,0,.28);
  --t:.24s cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(720px 420px at 12% -6%,rgba(53,224,208,.14),transparent 62%),
    radial-gradient(640px 420px at 92% 4%,rgba(124,108,255,.13),transparent 60%),
    linear-gradient(rgba(53,224,208,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(53,224,208,.035) 1px,transparent 1px);
  background-size:auto,auto,72px 72px,72px 72px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,button{font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:88px 0;position:relative;z-index:1}
.section-tight{padding:64px 0}
main{position:relative;z-index:1}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),filter var(--t);
  white-space:nowrap;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,#35E0D0 0%,#5FCFE0 42%,#7C6CFF 100%);
  color:#04161A;
  box-shadow:0 0 24px rgba(53,224,208,.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px) scale(1.02);box-shadow:0 0 38px rgba(53,224,208,.55)}
.btn-primary:active{transform:scale(.98);box-shadow:0 0 16px rgba(53,224,208,.4)}
.btn-ghost{
  background:rgba(53,224,208,.06);
  border-color:rgba(53,224,208,.35);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(53,224,208,.15);border-color:var(--line-strong);transform:translateY(-1px)}
.btn-ghost:active{transform:scale(.98)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:14.5px;
  transition:color var(--t);
}
.link-arrow span{transition:transform var(--t)}
.link-arrow:hover{color:var(--gold)}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,18,26,.76);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(53,224,208,.14);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.scrolled{box-shadow:0 14px 40px rgba(0,0,0,.45);background:rgba(6,18,26,.92)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:74px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#35E0D0,#7C6CFF);
  box-shadow:0 0 20px rgba(53,224,208,.4);
}
.brand-mark svg{width:21px;height:21px}
.brand-text{
  font-size:19px;font-weight:800;letter-spacing:.03em;
  background:linear-gradient(100deg,#EAF6F8 20%,#35E0D0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  padding:6px;border-radius:999px;
  background:rgba(10,30,40,.6);
  border:1px solid var(--line);
}
.nav-pill a{
  position:relative;
  padding:9px 18px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color var(--t),background var(--t),box-shadow var(--t);
}
.nav-pill a::after{
  content:"";position:absolute;left:50%;bottom:4px;
  width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#35E0D0,#7C6CFF);
  transform:translateX(-50%);
  transition:width var(--t);
}
.nav-pill a:hover{color:var(--text);background:rgba(53,224,208,.08)}
.nav-pill a:hover::after{width:44%}
.nav-pill a.active{
  color:var(--primary);
  background:rgba(53,224,208,.12);
  box-shadow:inset 0 0 18px rgba(53,224,208,.16),0 0 14px rgba(53,224,208,.12);
}
.nav-pill a.active::after{width:44%}

.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(10,30,40,.6);
  border:1px solid var(--line);
  color:var(--muted);cursor:pointer;
  transition:color var(--t),border-color var(--t),background var(--t);
}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(53,224,208,.1)}
.icon-btn svg{width:19px;height:19px}
.hamburger{
  display:none;width:44px;height:44px;border-radius:50%;
  background:rgba(10,30,40,.6);border:1px solid var(--line);
  cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--t),opacity var(--t)}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer-mask{
  position:fixed;inset:0;background:rgba(3,10,15,.7);
  backdrop-filter:blur(4px);opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:linear-gradient(180deg,#08161F,#06121A);
  border-left:1px solid var(--line);
  z-index:80;padding:26px 22px;
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-radius:14px;
  background:rgba(10,30,40,.55);border:1px solid var(--line);
  color:var(--muted);font-size:15px;min-height:48px;
  transition:color var(--t),border-color var(--t),background var(--t);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary);border-color:var(--line-strong);background:rgba(53,224,208,.1)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.no-scroll{overflow:hidden}

/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  background-image:linear-gradient(100deg,rgba(6,18,26,.94) 8%,rgba(6,18,26,.78) 52%,rgba(11,31,42,.66) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;align-items:center;gap:9px;
  font-size:13px;color:var(--muted);
  margin-bottom:26px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--primary);transition:color var(--t)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{color:rgba(159,182,191,.5)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:44px;align-items:end}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(53,224,208,.1);
  border:1px solid rgba(53,224,208,.28);
  color:var(--primary);font-size:13px;letter-spacing:.04em;
  margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);display:inline-block}
.page-title{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:.015em;
  margin-bottom:20px;
}
.page-title em{
  font-style:normal;
  background:linear-gradient(100deg,#35E0D0,#7C6CFF 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:var(--muted);font-size:16.5px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-side{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.hero-side h2{font-size:16px;font-weight:700;margin-bottom:14px;color:var(--text)}
.hero-side ul{display:flex;flex-direction:column;gap:12px}
.hero-side li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.7}
.hero-side li b{color:var(--gold);font-weight:700;font-size:13px;flex-shrink:0;padding-top:2px}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{
  padding:9px 18px;border-radius:999px;
  background:rgba(10,30,40,.6);
  border:1px solid var(--line);
  color:var(--muted);font-size:14px;cursor:pointer;
  transition:color var(--t),border-color var(--t),background var(--t),box-shadow var(--t);
  min-height:42px;
}
.chip:hover{color:var(--text);border-color:var(--line-strong);background:rgba(53,224,208,.1)}
.chip.active{
  color:#04161A;
  background:linear-gradient(120deg,#35E0D0,#7C6CFF);
  border-color:transparent;
  box-shadow:0 0 20px rgba(53,224,208,.35);
  font-weight:600;
}

/* ---------- 左右分栏 ---------- */
.layout-split{display:grid;grid-template-columns:320px minmax(0,1fr);gap:36px;align-items:start}
.side-card{
  position:sticky;top:100px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.side-card::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#35E0D0,rgba(124,108,255,.2));
  transform:translateX(-1px);
}
.side-title{font-size:20px;font-weight:700;margin-bottom:10px}
.side-lead{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:22px}
.side-links{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 14px;border-radius:12px;
  font-size:14px;color:var(--muted);
  border:1px solid transparent;
  transition:color var(--t),background var(--t),border-color var(--t),transform var(--t);
  min-height:44px;
}
.side-links a span{color:rgba(159,182,191,.6);transition:transform var(--t),color var(--t)}
.side-links a:hover{color:var(--primary);background:rgba(53,224,208,.08);border-color:var(--line);transform:translateX(3px)}
.side-links a:hover span{transform:translateX(3px);color:var(--primary)}
.side-note{
  font-size:13px;color:var(--muted);line-height:1.75;
  padding:14px 16px;border-radius:14px;
  background:rgba(245,184,75,.07);
  border:1px solid rgba(245,184,75,.22);
}
.side-note b{color:var(--gold)}

/* ---------- 列表卡片 ---------- */
.list-stack{display:flex;flex-direction:column;gap:20px}
.list-card{
  display:grid;grid-template-columns:230px minmax(0,1fr);
  gap:22px;
  padding:18px;
  background:rgba(10,30,40,.5);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-soft);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.list-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 22px 50px rgba(0,0,0,.42),0 0 0 1px rgba(53,224,208,.14);
}
.list-thumb{
  border-radius:14px;overflow:hidden;
  aspect-ratio:16/10;
  background:rgba(6,18,26,.8);
  position:relative;
}
.list-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s cubic-bezier(.22,.61,.36,1)}
.list-card:hover .list-thumb img{transform:scale(1.04)}
.list-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(53,224,208,.12),transparent 55%);
  pointer-events:none;
}
.card-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;letter-spacing:.02em;
  color:var(--primary);
  background:rgba(53,224,208,.1);
  border:1px solid rgba(53,224,208,.26);
  margin-bottom:12px;
}
.card-title{font-size:19px;font-weight:700;line-height:1.5;margin-bottom:9px;transition:color var(--t)}
.list-card:hover .card-title{color:var(--primary)}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:rgba(159,182,191,.86);
  padding-top:12px;border-top:1px dashed rgba(53,224,208,.16);
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(159,182,191,.5);display:inline-block}
.empty-hint{
  padding:26px;border-radius:18px;
  border:1px dashed rgba(53,224,208,.32);
  background:rgba(10,30,40,.35);
  color:var(--muted);font-size:14px;text-align:center;
  display:none;
}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:38px}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;margin-bottom:10px}
.section-desc{color:var(--muted);font-size:15.5px;max-width:720px}

/* ---------- 指标条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
}
.metric-item{background:rgba(10,30,40,.62);padding:28px 22px;transition:background var(--t)}
.metric-item:hover{background:rgba(53,224,208,.07)}
.metric-num{
  font-size:clamp(26px,3.4vw,36px);font-weight:800;
  line-height:1.2;letter-spacing:.01em;
  background:linear-gradient(100deg,#35E0D0,#F5B84B 92%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:8px;
}
.metric-label{font-size:14.5px;font-weight:600;margin-bottom:6px}
.metric-text{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 流程时间线 ---------- */
.flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;position:relative}
.flow-item{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px 26px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:transform var(--t),border-color var(--t);
}
.flow-item:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:14px;
  font-size:15px;font-weight:800;color:#04161A;
  background:linear-gradient(135deg,#35E0D0,#7C6CFF);
  box-shadow:0 0 18px rgba(53,224,208,.35);
  margin-bottom:18px;
}
.flow-title{font-size:18px;font-weight:700;margin-bottom:10px}
.flow-text{font-size:14.5px;color:var(--muted);line-height:1.8}
.flow-line{
  position:absolute;left:0;right:0;top:-14px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,208,.35),transparent);
}

/* ---------- 图文区块 ---------- */
.split-media{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:center}
.media-frame{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  aspect-ratio:16/10;
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.media-frame:hover img{transform:scale(1.03)}
.tick-list{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.tick-list li{display:flex;gap:12px;font-size:15px;color:var(--muted);line-height:1.8}
.tick-list li b{color:var(--text);font-weight:600}
.tick-mark{
  flex-shrink:0;width:22px;height:22px;border-radius:8px;margin-top:4px;
  background:rgba(53,224,208,.14);
  border:1px solid rgba(53,224,208,.36);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:12px;font-weight:800;
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.faq-item{
  position:relative;
  background:rgba(10,30,40,.55);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px 22px 28px;
  overflow:hidden;
  transition:border-color var(--t),background var(--t);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#35E0D0,#7C6CFF);
  opacity:0;transition:opacity var(--t);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:var(--line-strong);background:rgba(10,30,40,.72)}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  list-style:none;cursor:pointer;
  font-size:16.5px;font-weight:600;line-height:1.6;
  padding-right:40px;position:relative;
  min-height:44px;display:flex;align-items:center;
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(53,224,208,.12);
  border:1px solid rgba(53,224,208,.3);
  color:var(--primary);font-size:16px;font-weight:700;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary::after{content:"−";background:rgba(245,184,75,.16);color:var(--gold);border-color:rgba(245,184,75,.4)}
.faq-item summary:hover{color:var(--primary)}
.faq-body{padding-top:14px;font-size:14.8px;color:var(--muted);line-height:1.85}
.faq-body p+p{margin-top:10px}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  padding:52px 46px;
  background:
    linear-gradient(110deg,rgba(6,18,26,.95),rgba(11,31,42,.82)),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border:1px solid rgba(53,224,208,.28);
  box-shadow:var(--shadow);
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:38px;align-items:center;
}
.cta-panel h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.35;margin-bottom:14px}
.cta-panel p{color:var(--muted);font-size:15.5px;max-width:520px}
.cta-form{display:flex;gap:12px}
.input{
  flex:1;min-height:48px;padding:0 18px;
  border-radius:999px;
  background:rgba(6,18,26,.72);
  border:1px solid var(--line);
  color:var(--text);font-size:15px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
  min-width:0;
}
.input::placeholder{color:rgba(159,182,191,.7)}
.input:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(53,224,208,.16);background:rgba(6,18,26,.9)}
.input.error{border-color:#E4837A;box-shadow:0 0 0 3px rgba(228,131,122,.14)}
.form-note{font-size:12.8px;color:rgba(159,182,191,.85);margin-top:12px;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;
  background:linear-gradient(180deg,rgba(8,22,31,.92),rgba(6,18,26,1));
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:400px}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li{font-size:14px;color:var(--muted);line-height:1.7}
.footer-col a{transition:color var(--t),transform var(--t);display:inline-block}
.footer-col a:hover{color:var(--primary);transform:translateX(3px)}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid rgba(53,224,208,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(159,182,191,.85);
}
.footer-bottom .sep{color:rgba(159,182,191,.45);margin:0 4px}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav-pill{display:none}
  .hamburger{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .layout-split{grid-template-columns:1fr}
  .side-card{position:static;top:auto}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .flow{grid-template-columns:1fr}
  .flow-line{display:none}
  .split-media{grid-template-columns:1fr;gap:28px}
  .cta-panel{grid-template-columns:1fr;padding:40px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .metrics{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .page-hero{padding:40px 0 48px}
  .list-card{grid-template-columns:1fr;gap:16px;padding:16px}
  .list-thumb{aspect-ratio:16/9}
  .faq-grid{grid-template-columns:1fr}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{flex:1}
  body{font-size:15.5px}
}
@media (max-width:520px){
  .metrics{grid-template-columns:1fr}
  .page-title{font-size:29px}
  .hero-side{padding:20px}
  .faq-item{padding:18px 18px 18px 22px}
  .breadcrumb{font-size:12.5px}
}

/* roulang page: category2 */
:root{
  --bg:#06121A;
  --bg-2:#0B1F2A;
  --bg-3:#0E2733;
  --glass:rgba(10,30,40,.55);
  --glass-2:rgba(12,34,45,.72);
  --cyan:#35E0D0;
  --violet:#7C6CFF;
  --gold:#F5B84B;
  --text:#EAF6F8;
  --muted:#9FB6BF;
  --line:rgba(53,224,208,.18);
  --line-soft:rgba(234,246,248,.08);
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:24px;
  --radius-hero:28px;
  --shadow:0 25px 60px rgba(0,0,0,.35);
  --shadow-soft:0 14px 34px rgba(0,0,0,.26);
  --max:1280px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 80% -10%, rgba(124,108,255,.16), transparent 62%),
    radial-gradient(900px 520px at 4% 2%, rgba(53,224,208,.13), transparent 58%),
    var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(53,224,208,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53,224,208,.045) 1px, transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  opacity:.6;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
svg{display:block;}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
@media(max-width:1024px){
  .section{padding:72px 0;}
  .section-sm{padding:52px 0;}
}
@media(max-width:640px){
  .container{padding:0 18px;}
  .section{padding:54px 0;}
  .section-sm{padding:44px 0;}
  body{font-size:15px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  min-height:44px;border:1px solid transparent;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px;}
.btn-primary{
  background:linear-gradient(118deg,#35E0D0 0%, #57D8E8 42%, #7C6CFF 100%);
  color:#04161A;
  box-shadow:0 0 24px rgba(53,224,208,.35), 0 10px 26px rgba(0,0,0,.3);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(53,224,208,.5), 0 14px 30px rgba(0,0,0,.34);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{
  background:rgba(53,224,208,.05);
  border-color:rgba(53,224,208,.4);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(53,224,208,.14);border-color:var(--cyan);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--cyan);font-size:14px;font-weight:600;
  transition:color .2s ease;
}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover{color:var(--gold);}
.link-arrow:hover span{transform:translateX(3px);}
.link-arrow:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,18,26,.82);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(53,224,208,.16);
  box-shadow:0 1px 0 rgba(53,224,208,.08) inset;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:74px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#35E0D0,#7C6CFF);
  box-shadow:0 0 18px rgba(53,224,208,.32);
  flex:none;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.03em;}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  padding:6px;border-radius:999px;
  background:rgba(11,31,42,.72);
  border:1px solid var(--line-soft);
  box-shadow:0 8px 24px rgba(0,0,0,.22);
}
.nav-pill a{
  position:relative;
  padding:9px 16px;border-radius:999px;
  font-size:14.5px;color:var(--muted);
  transition:color .2s ease, background .2s ease;
}
.nav-pill a::after{
  content:"";position:absolute;left:50%;bottom:5px;
  width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#35E0D0,#7C6CFF);
  transform:translateX(-50%);
  transition:width .24s ease;
}
.nav-pill a:hover{color:var(--text);background:rgba(53,224,208,.07);}
.nav-pill a:hover::after{width:18px;}
.nav-pill a.active{
  color:var(--cyan);
  background:rgba(53,224,208,.11);
  box-shadow:0 0 16px rgba(53,224,208,.18) inset;
}
.nav-pill a.active::after{width:20px;}
.nav-pill a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-soft);
  background:rgba(11,31,42,.7);
  color:var(--muted);
  transition:.2s ease;
}
.icon-btn:hover{color:var(--cyan);border-color:var(--line);background:rgba(53,224,208,.1);}
.icon-btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.hamburger{display:none;}
.search-bar{
  border-top:1px solid var(--line-soft);
  background:rgba(8,24,33,.94);
  backdrop-filter:blur(16px);
}
.search-bar[hidden]{display:none;}
.search-inner{display:flex;align-items:center;gap:12px;padding:14px 24px;min-height:66px;}
.search-inner input{
  flex:1;min-width:0;
  padding:11px 16px;border-radius:999px;
  background:rgba(6,18,26,.85);
  border:1px solid var(--line-soft);
  color:var(--text);font-size:14.5px;
  transition:.2s ease;
}
.search-inner input::placeholder{color:rgba(159,182,191,.7);}
.search-inner input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,224,208,.14);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:90;
  background:rgba(3,10,15,.7);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:95;
  width:min(84vw,340px);
  background:linear-gradient(180deg, rgba(11,31,42,.98), rgba(6,18,26,.99));
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:20px;
  padding:22px 20px 30px;
  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;gap:6px;margin-top:6px;}
.drawer-nav a{
  padding:13px 14px;border-radius:14px;
  font-size:15.5px;color:var(--muted);
  border:1px solid transparent;
  transition:.2s ease;
}
.drawer-nav a:hover,.drawer-nav a:focus-visible{background:rgba(53,224,208,.08);color:var(--text);border-color:var(--line);outline:none;}
.drawer-nav a.active{color:var(--cyan);background:rgba(53,224,208,.12);border-color:var(--line);}
.drawer-note{font-size:12.5px;color:var(--muted);line-height:1.7;}

@media(max-width:1024px){
  .nav-pill{display:none;}
  .hamburger{display:grid;}
  .header-cta{display:none;}
}
@media(max-width:640px){
  .header-inner{min-height:66px;}
  .brand-text{font-size:17px;}
}

/* ============ Banner ============ */
.banner{
  position:relative;
  padding:96px 0 84px;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.banner-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  filter:saturate(.9);
}
.banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg, rgba(4,14,20,.94) 0%, rgba(6,22,32,.86) 46%, rgba(12,32,45,.7) 100%);
}
.banner-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:center;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:var(--cyan);}
.breadcrumb a:hover{color:var(--gold);}
.breadcrumb .sep{opacity:.5;}
.banner h1{
  font-size:clamp(34px,4.4vw,56px);
  font-weight:800;line-height:1.2;letter-spacing:.02em;
  margin-bottom:20px;
}
.banner h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#35E0D0,#7C6CFF 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-sub{font-size:17px;color:#C6DBE1;max-width:620px;margin-bottom:28px;}
.banner-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px;}
.tag-row{display:flex;gap:10px;flex-wrap:wrap;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  font-size:12.5px;color:#B9D2D8;
  background:rgba(11,31,42,.66);
  border:1px solid var(--line-soft);
}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(53,224,208,.8);}
.banner-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-hero);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
  padding:26px;
}
.banner-card h2{font-size:15px;color:var(--muted);font-weight:600;letter-spacing:.06em;margin-bottom:18px;}
.banner-card ul{display:flex;flex-direction:column;gap:16px;}
.banner-card li{display:flex;gap:14px;align-items:flex-start;}
.banner-card .num{
  font-size:13px;font-weight:800;color:var(--cyan);
  border:1px solid var(--line);border-radius:9px;
  width:30px;height:30px;display:grid;place-items:center;flex:none;
  background:rgba(53,224,208,.07);
}
.banner-card .txt{font-size:14px;color:#B9D2D8;line-height:1.7;}
.banner-card .txt strong{display:block;color:var(--text);font-size:15px;font-weight:700;margin-bottom:2px;}
@media(max-width:1024px){
  .banner{padding:72px 0 64px;}
  .banner-inner{grid-template-columns:1fr;gap:34px;}
}
@media(max-width:640px){
  .banner{padding:52px 0 48px;}
  .banner-sub{font-size:15.5px;}
}

/* ============ 通用标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(24px,2.8vw,36px);font-weight:700;line-height:1.3;}
.sec-head p{font-size:15px;color:var(--muted);margin-top:10px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--cyan);
  margin-bottom:14px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;}
.card{
  background:var(--glass);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(14px);
  padding:26px;
  position:relative;
  overflow:hidden;
  transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.42);box-shadow:0 22px 48px rgba(0,0,0,.4), 0 0 26px rgba(53,224,208,.12);}
.card h3{font-size:19px;font-weight:700;margin-bottom:12px;line-height:1.45;}
.card p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.card .badge{
  display:inline-block;font-size:12px;padding:5px 12px;border-radius:999px;
  background:rgba(53,224,208,.1);color:var(--cyan);border:1px solid var(--line);
  margin-bottom:14px;
}
.card-lg{grid-column:span 7;padding:32px;background:linear-gradient(150deg, rgba(14,40,52,.82), rgba(9,24,33,.6));}
.card-sm{grid-column:span 5;}
.card-half{grid-column:span 6;}
.card-wide{grid-column:span 12;display:flex;gap:26px;align-items:center;}
.cover{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line-soft);
}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .cover img{transform:scale(1.03);}
.bullet-list{display:flex;flex-direction:column;gap:11px;margin-top:16px;}
.bullet-list li{display:flex;gap:10px;font-size:14px;color:#B9D2D8;line-height:1.75;}
.bullet-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;flex:none;margin-top:10px;
  background:linear-gradient(135deg,#35E0D0,#7C6CFF);
}
@media(max-width:1024px){
  .card-lg,.card-sm,.card-half{grid-column:span 12;}
  .card-wide{flex-direction:column;align-items:flex-start;}
}

/* ============ 主题分组 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.topic-card{
  background:linear-gradient(165deg, rgba(12,34,45,.8), rgba(7,20,28,.6));
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.topic-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.4);box-shadow:0 22px 46px rgba(0,0,0,.4);}
.topic-card .thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line-soft);}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.topic-card:hover .thumb img{transform:scale(1.04);}
.topic-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.topic-body h3{font-size:18px;font-weight:700;}
.topic-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.topic-body .link-arrow{margin-top:auto;padding-top:6px;}
@media(max-width:1024px){.topic-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:768px){.topic-grid{grid-template-columns:1fr;}}

/* ============ 指标条 ============ */
.metrics{
  background:linear-gradient(100deg, rgba(11,31,42,.9), rgba(9,26,36,.6));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px 30px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  box-shadow:var(--shadow-soft);
}
.metric{position:relative;padding-left:18px;}
.metric::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;background:linear-gradient(180deg,#35E0D0,rgba(124,108,255,.35));}
.metric b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--gold);letter-spacing:.02em;line-height:1.2;}
.metric span{font-size:13.5px;color:var(--muted);}
@media(max-width:860px){.metrics{grid-template-columns:1fr 1fr;gap:26px 20px;padding:28px 22px;}}

/* ============ 时间线 ============ */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:15px;height:1px;
  background:linear-gradient(90deg, rgba(53,224,208,.5), rgba(124,108,255,.35), transparent);
}
.tl-item{position:relative;padding-top:44px;}
.tl-item::before{
  content:"";position:absolute;top:8px;left:0;
  width:15px;height:15px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);
  box-shadow:0 0 14px rgba(53,224,208,.55);
}
.tl-item h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.8;}
@media(max-width:860px){
  .timeline{grid-template-columns:1fr;gap:26px;}
  .timeline::before{display:none;}
  .tl-item{padding-top:34px;}
}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start;}
.faq-item{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .24s ease, background .24s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,#35E0D0,#7C6CFF);
  opacity:0;transition:opacity .24s ease;
}
.faq-item.open{border-color:rgba(53,224,208,.4);background:rgba(12,34,45,.72);}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--text);
  min-height:44px;
}
.faq-q:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px;}
.faq-icon{position:relative;width:18px;height:18px;flex:none;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--cyan);border-radius:2px;transition:.25s ease;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease;}
.faq-item.open .faq-panel{grid-template-rows:1fr;}
.faq-panel>div{overflow:hidden;}
.faq-a{padding:0 22px 22px;font-size:14.5px;color:var(--muted);line-height:1.9;}
@media(max-width:860px){.faq-grid{grid-template-columns:1fr;}}

/* ============ 订阅 CTA ============ */
.cta{
  position:relative;overflow:hidden;
  border-radius:var(--radius-hero);
  border:1px solid var(--line);
  padding:56px 46px;
  background:linear-gradient(120deg, rgba(12,36,48,.92), rgba(9,22,32,.78));
  box-shadow:var(--shadow);
}
.cta-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.3;
}
.cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg, rgba(4,14,20,.92), rgba(10,28,40,.72));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;}
.cta h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;margin-bottom:14px;}
.cta p{font-size:15px;color:#C6DBE1;max-width:520px;}
.subscribe{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe input{
  flex:1;min-width:220px;
  padding:14px 18px;border-radius:999px;
  background:rgba(6,18,26,.85);
  border:1px solid var(--line-soft);
  font-size:14.5px;color:var(--text);
  transition:.2s ease;
}
.subscribe input::placeholder{color:rgba(159,182,191,.72);}
.subscribe input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,224,208,.16);}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;}
.form-state{font-size:13px;margin-top:10px;min-height:20px;}
.form-state.ok{color:var(--cyan);}
.form-state.err{color:#F08A7A;}
@media(max-width:1024px){
  .cta{padding:42px 26px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg, rgba(6,18,26,.6), rgba(5,15,21,.95));
  padding:64px 0 28px;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.9;max-width:380px;}
.footer-col h3{font-size:14.5px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--muted);transition:color .2s ease;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(159,182,191,.85);
}
.footer-bottom .sep{margin:0 6px;opacity:.5;}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media(max-width:640px){
  .site-footer{padding:44px 0 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* 可访问性 */
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
::selection{background:rgba(53,224,208,.28);color:#fff;}