/* roulang page: index */
:root{
  --bg-abyss:#070A18;
  --bg-deep:#0E1329;
  --surface-glass:rgba(255,255,255,0.06);
  --surface-glass-2:rgba(255,255,255,0.09);
  --line-glass:rgba(160,180,255,0.16);
  --star-cyan:#5FE3D0;
  --nebula-violet:#8B6BFF;
  --dust-amber:#FFC46B;
  --warn-orange:#FF9A6B;
  --text-hi:#EEF2FF;
  --text-mid:rgba(230,236,255,0.72);
  --text-low:rgba(210,220,255,0.48);
  --radius-sm:12px;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-card:0 12px 30px rgba(3,6,20,0.55);
  --shadow-glow:0 18px 44px rgba(95,227,208,0.14);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"Inter","HarmonyOS Sans","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-abyss);
  color:var(--text-hi);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 8% 12%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(1.4px 1.4px at 24% 32%, rgba(95,227,208,.45), transparent 60%),
    radial-gradient(1.2px 1.2px at 42% 8%, rgba(255,255,255,.40), transparent 60%),
    radial-gradient(1.8px 1.8px at 63% 22%, rgba(139,107,255,.45), transparent 60%),
    radial-gradient(1.2px 1.2px at 78% 46%, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(1.6px 1.6px at 91% 16%, rgba(255,196,107,.35), transparent 60%),
    radial-gradient(1.3px 1.3px at 15% 72%, rgba(255,255,255,.30), transparent 60%),
    radial-gradient(1.7px 1.7px at 36% 88%, rgba(95,227,208,.35), transparent 60%),
    radial-gradient(1.2px 1.2px at 58% 68%, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(1.5px 1.5px at 84% 84%, rgba(139,107,255,.30), transparent 60%);
  opacity:.75;
  animation:twinkle 9s ease-in-out infinite;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(680px 460px at 82% -6%, rgba(139,107,255,.14), transparent 70%),
    radial-gradient(760px 520px at 6% 34%, rgba(95,227,208,.10), transparent 72%),
    radial-gradient(900px 600px at 50% 108%, rgba(139,107,255,.10), transparent 74%);
}
@keyframes twinkle{0%,100%{opacity:.75}50%{opacity:.45}}
main,header,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--star-cyan);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--text-hi);}
h1{font-size:clamp(2.1rem,4.4vw,3.4rem);line-height:1.2;}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.3;}
h3{font-size:1.22rem;line-height:1.45;}
h4{font-size:1rem;line-height:1.5;}
p{margin:0 0 1em;color:var(--text-mid);}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--star-cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.narrow{max-width:760px;margin:0 auto;}
.section{padding:96px 0;position:relative;}
.section-tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--star-cyan);text-transform:uppercase;margin-bottom:10px;}
.section-head p{margin:10px 0 0;max-width:620px;font-size:15px;}
.section-head .head-link{flex:0 0 auto;font-size:14px;color:var(--text-mid);display:inline-flex;align-items:center;gap:6px;}
.section-head .head-link i{transition:transform var(--ease);}
.section-head .head-link:hover{color:var(--star-cyan);}
.section-head .head-link:hover i{transform:translateX(3px);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--star-cyan),var(--nebula-violet));
  color:#06121A;box-shadow:0 10px 26px rgba(95,227,208,.24);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 36px rgba(95,227,208,.30);color:#06121A;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:var(--surface-glass);border-color:var(--line-glass);color:var(--text-hi);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{background:var(--surface-glass-2);border-color:rgba(95,227,208,.45);color:var(--star-cyan);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12.5px;line-height:1;
  background:rgba(95,227,208,.10);border:1px solid rgba(95,227,208,.28);color:var(--star-cyan);
  white-space:nowrap;
}
.badge-violet{background:rgba(139,107,255,.12);border-color:rgba(139,107,255,.32);color:#BCA9FF;}
.badge-amber{background:rgba(255,196,107,.12);border-color:rgba(255,196,107,.30);color:var(--dust-amber);}
.badge-plain{background:var(--surface-glass);border-color:var(--line-glass);color:var(--text-mid);}

/* ---------- Glass card ---------- */
.glass{
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
  border:1px solid var(--line-glass);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  position:relative;
  overflow:hidden;
}
.glass::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.42),transparent);
}
.glass-hover{transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.glass-hover:hover{
  transform:translateY(-4px);
  border-color:rgba(95,227,208,.4);
  box-shadow:0 0 0 1px rgba(95,227,208,.35),var(--shadow-glow),var(--shadow-card);
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;padding:14px 0;
  transition:background var(--ease),backdrop-filter var(--ease),border-color var(--ease),padding var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(7,10,24,.78);
  backdrop-filter:blur(18px);
  border-bottom-color:var(--line-glass);
  padding:10px 0;
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 16px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.035));
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(95,227,208,.22),rgba(139,107,255,.30));
  border:1px solid rgba(95,227,208,.35);
  box-shadow:0 0 18px rgba(95,227,208,.20) inset;
  color:var(--star-cyan);font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-low);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;}
.nav-card{
  display:flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14px;color:var(--text-mid);
  background:rgba(255,255,255,.035);border:1px solid transparent;
  transition:all var(--ease);
}
.nav-card i{font-size:13px;color:var(--text-low);transition:color var(--ease);}
.nav-card:hover{background:rgba(255,255,255,.075);color:var(--text-hi);border-color:var(--line-glass);transform:translateY(-1px);}
.nav-card:hover i{color:var(--star-cyan);}
.nav-card.is-active{
  color:var(--star-cyan);border-color:rgba(95,227,208,.42);
  background:rgba(95,227,208,.09);
  box-shadow:inset 0 -2px 0 rgba(95,227,208,.6);
}
.nav-card.is-active i{color:var(--star-cyan);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;flex:0 0 auto;
  background:var(--surface-glass);border:1px solid var(--line-glass);color:var(--text-hi);
  cursor:pointer;align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{border-color:rgba(95,227,208,.45);color:var(--star-cyan);}

/* mobile drawer */
.nav-drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(7,10,24,.94);backdrop-filter:blur(20px);
  padding:22px 20px 32px;overflow-y:auto;
}
.nav-drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;background:var(--surface-glass);
  border:1px solid var(--line-glass);color:var(--text-hi);font-size:16px;cursor:pointer;
}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:22px;}
.drawer-grid a{
  padding:16px;border-radius:var(--radius-card);background:var(--surface-glass);
  border:1px solid var(--line-glass);font-size:14.5px;display:flex;flex-direction:column;gap:8px;
}
.drawer-grid a i{color:var(--star-cyan);font-size:16px;}
.drawer-grid a.is-active{border-color:rgba(95,227,208,.5);color:var(--star-cyan);}
.drawer-cta{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:86vh;display:flex;align-items:center;
  overflow:hidden;padding:100px 0 90px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  transform:scale(1.05);
}
.hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 620px at 78% 18%, rgba(139,107,255,.22), transparent 68%),
    linear-gradient(115deg,rgba(5,8,20,.90) 0%,rgba(7,10,24,.76) 48%,rgba(7,10,24,.55) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-copy{max-width:760px;}
.hero-copy .hero-kicker{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:20px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--line-glass);
  font-size:13px;color:var(--text-mid);backdrop-filter:blur(10px);
}
.hero-copy .hero-kicker i{color:var(--dust-amber);font-size:12px;}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 .hl{
  background:linear-gradient(100deg,var(--star-cyan),var(--nebula-violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:clamp(1rem,1.6vw,1.18rem);color:var(--text-mid);max-width:600px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat-pill{
  display:flex;align-items:center;gap:12px;
  padding:12px 20px;border-radius:var(--radius-pill);
  background:var(--surface-glass);border:1px solid var(--line-glass);
  backdrop-filter:blur(12px);
  transition:all var(--ease);
}
.stat-pill:hover{border-color:rgba(95,227,208,.4);transform:translateY(-3px);}
.stat-pill b{font-family:var(--font-num);font-size:1.25rem;font-weight:700;color:var(--star-cyan);letter-spacing:.02em;}
.stat-pill span{font-size:13px;color:var(--text-mid);}
.hero-float{
  position:absolute;right:24px;bottom:34px;z-index:3;
  display:flex;align-items:center;gap:10px;
  padding:13px 20px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);border:1px solid var(--line-glass);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  font-size:13px;color:var(--text-mid);
  animation:floaty 6s ease-in-out infinite;
}
.hero-float i{color:var(--dust-amber);}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ---------- Story ---------- */
.story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.story-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-glass);box-shadow:var(--shadow-card);}
.story-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.story-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,24,.05),rgba(7,10,24,.55));}
.creed-list{display:grid;grid-template-columns:1fr;gap:14px;margin-top:30px;}
.creed{
  display:flex;gap:16px;padding:20px 22px;border-radius:var(--radius-card);
  background:var(--surface-glass);border:1px solid var(--line-glass);
  transition:all var(--ease);
}
.creed:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.4);box-shadow:var(--shadow-glow);}
.creed-icon{
  width:42px;height:42px;border-radius:13px;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(95,227,208,.18),rgba(139,107,255,.24));
  border:1px solid rgba(95,227,208,.28);color:var(--star-cyan);font-size:16px;
}
.creed h3{font-size:1.05rem;margin-bottom:4px;}
.creed p{margin:0;font-size:14px;line-height:1.7;}

/* ---------- Featured grid ---------- */
.feature-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;}
.feature-lead{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-glass);box-shadow:var(--shadow-card);
  min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.feature-lead img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.feature-lead::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,24,.20) 0%,rgba(7,10,24,.86) 78%);}
.feature-lead:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.4);box-shadow:var(--shadow-glow),var(--shadow-card);}
.feature-lead .lead-body{position:relative;z-index:2;}
.feature-lead h3{font-size:1.6rem;margin:14px 0 10px;}
.feature-lead p{font-size:14.5px;margin-bottom:16px;max-width:520px;}
.feature-side{display:grid;grid-template-columns:1fr;gap:24px;}
.mini-card{
  padding:24px;border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
  border:1px solid var(--line-glass);backdrop-filter:blur(14px);
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
  transition:all var(--ease);box-shadow:var(--shadow-card);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.4);box-shadow:0 0 0 1px rgba(95,227,208,.3),var(--shadow-glow);}
.mini-card h3{font-size:1.06rem;margin-bottom:8px;}
.mini-card p{font-size:13.5px;margin:0;line-height:1.7;}
.arrow-link{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--star-cyan);}
.arrow-link i{transition:transform var(--ease);}
.arrow-link:hover i{transform:translateX(3px);}

/* ---------- News list ---------- */
.news-list{border-radius:var(--radius-lg);border:1px solid var(--line-glass);background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));backdrop-filter:blur(14px);overflow:hidden;box-shadow:var(--shadow-card);}
.news-row{
  display:grid;grid-template-columns:132px 1fr auto;gap:22px;align-items:center;
  padding:22px 26px;border-bottom:1px solid rgba(160,180,255,.10);
  transition:background var(--ease),transform var(--ease);
}
.news-row:last-child{border-bottom:none;}
.news-row:hover{background:rgba(255,255,255,.045);}
.news-thumb{
  width:132px;aspect-ratio:16/10;border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid var(--line-glass);position:relative;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.news-row:hover .news-thumb img{transform:scale(1.05);}
.news-thumb.no-img{background:radial-gradient(circle at 30% 30%,rgba(95,227,208,.35),rgba(14,19,41,.9));display:grid;place-items:center;color:var(--star-cyan);}
.news-body h3{font-size:1.05rem;margin-bottom:6px;}
.news-body h3 a:hover{color:var(--star-cyan);}
.news-body p{font-size:13.5px;margin:0 0 10px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--text-low);}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-low);}
.news-more{flex:0 0 auto;}
.empty-state{
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state i{font-size:26px;color:var(--dust-amber);}
.empty-state p{margin:0;font-size:14.5px;color:var(--text-mid);}

/* ---------- Trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:24px;}
.metric-card{padding:28px 26px;border-radius:var(--radius-card);background:var(--surface-glass);border:1px solid var(--line-glass);backdrop-filter:blur(14px);transition:all var(--ease);}
.metric-card:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.4);box-shadow:var(--shadow-glow);}
.metric-card b{display:block;font-family:var(--font-num);font-size:2.1rem;font-weight:700;color:var(--star-cyan);line-height:1.1;margin-bottom:8px;}
.metric-card span{font-size:13.5px;color:var(--text-mid);}
.quote-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;}
.quote-card{padding:28px;border-radius:var(--radius-card);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid var(--line-glass);backdrop-filter:blur(14px);}
.quote-card p{font-size:14.5px;line-height:1.85;color:var(--text-hi);margin-bottom:18px;}
.quote-who{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-low);}
.quote-who .avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(140deg,rgba(95,227,208,.3),rgba(139,107,255,.4));border:1px solid var(--line-glass);display:grid;place-items:center;color:var(--text-hi);font-size:13px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  border-radius:var(--radius-card);border:1px solid var(--line-glass);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
  backdrop-filter:blur(14px);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(95,227,208,.32);}
.faq-item.is-open{border-color:rgba(95,227,208,.45);box-shadow:0 0 0 1px rgba(95,227,208,.22),var(--shadow-glow);}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 24px;background:transparent;border:none;cursor:pointer;text-align:left;
  color:var(--text-hi);font-size:1.02rem;font-weight:600;line-height:1.5;
}
.faq-q i{color:var(--star-cyan);font-size:14px;transition:transform var(--ease);flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms cubic-bezier(.2,.7,.3,1);}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{padding:0 24px 22px;margin:0;font-size:14.5px;line-height:1.85;color:var(--text-mid);}

/* ---------- CTA band ---------- */
.cta-band{
  border-radius:var(--radius-lg);border:1px solid var(--line-glass);
  background:
    radial-gradient(620px 320px at 12% 0%, rgba(95,227,208,.18), transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.03));
  backdrop-filter:blur(16px);box-shadow:var(--shadow-card);overflow:hidden;
  display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;
  padding:46px 44px;
}
.cta-band h2{margin-bottom:14px;}
.cta-band p{font-size:14.5px;margin-bottom:0;max-width:460px;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 240px;min-height:48px;padding:12px 18px;border-radius:var(--radius-sm);
  background:rgba(6,10,26,.55);border:1px solid var(--line-glass);color:var(--text-hi);
  box-shadow:inset 0 2px 10px rgba(0,0,0,.40);font-size:14.5px;transition:all var(--ease);
}
.sub-form input::placeholder{color:var(--text-low);}
.sub-form input:focus{outline:none;border-color:var(--star-cyan);box-shadow:0 0 0 3px rgba(95,227,208,.18),inset 0 2px 10px rgba(0,0,0,.4);}
.form-note{margin-top:14px;font-size:13px;color:var(--text-low);display:flex;align-items:center;gap:8px;}
.form-note i{color:var(--star-cyan);font-size:12px;}
.form-msg{margin-top:12px;font-size:13.5px;color:var(--star-cyan);display:none;}
.form-msg.is-show{display:block;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;border-top:1px solid transparent;position:relative;
  background:linear-gradient(180deg,rgba(14,19,41,.72),rgba(7,10,24,.96));
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,227,208,.65),rgba(139,107,255,.65),transparent);
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:72px 0 52px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;font-size:15px;}
.footer-brand strong{font-size:15.5px;}
.footer-col h4{font-size:14px;margin-bottom:18px;color:var(--text-hi);letter-spacing:.04em;}
.footer-col li{line-height:2;}
.footer-col li a{font-size:13.5px;color:var(--text-mid);}
.footer-col li a:hover{color:var(--star-cyan);}
.footer-desc{font-size:13.5px;color:var(--text-mid);line-height:1.9;max-width:300px;}
.footer-sub input{
  width:100%;min-height:44px;padding:11px 16px;border-radius:var(--radius-sm);
  background:rgba(6,10,26,.55);border:1px solid var(--line-glass);color:var(--text-hi);
  font-size:14px;margin-bottom:12px;transition:all var(--ease);
}
.footer-sub input::placeholder{color:var(--text-low);}
.footer-sub input:focus{outline:none;border-color:var(--star-cyan);box-shadow:0 0 0 3px rgba(95,227,208,.16);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0 34px;border-top:1px solid rgba(160,180,255,.12);
  font-size:13px;color:var(--text-low);flex-wrap:wrap;
}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--surface-glass);border:1px solid var(--line-glass);color:var(--text-mid);font-size:14px;
}
.footer-social a:hover{border-color:rgba(95,227,208,.45);color:var(--star-cyan);transform:translateY(-2px);}

/* ---------- Responsive ---------- */
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-panel{justify-content:space-between;}
  .section{padding:72px 0;}
  .story-grid{grid-template-columns:1fr;gap:36px;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-side{grid-template-columns:repeat(3,1fr);}
  .trust-grid{grid-template-columns:repeat(3,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:38px 30px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 40px;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{min-height:auto;padding:76px 0 72px;}
  .hero-float{position:static;margin-top:28px;display:inline-flex;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-stats{gap:10px;}
  .stat-pill{flex:1 1 100%;}
  .feature-side{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .news-row{grid-template-columns:1fr;gap:14px;padding:20px;}
  .news-thumb{width:100%;aspect-ratio:16/9;}
  .news-more{justify-self:start;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .faq-q{padding:15px 18px;font-size:.98rem;}
  .faq-a p{padding:0 18px 20px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-text em{display:none;}
}
@media screen and (max-width:420px){
  .brand-text strong{font-size:14.5px;}
  .drawer-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --bg-abyss:#070A18;
  --bg-deep:#0E1329;
  --surface-glass:rgba(255,255,255,.06);
  --surface-glass-2:rgba(255,255,255,.09);
  --line-glass:rgba(160,180,255,.16);
  --star-cyan:#5FE3D0;
  --nebula-violet:#8B6BFF;
  --dust-amber:#FFC46B;
  --warn:#FF9A6B;
  --text-hi:#EEF2FF;
  --text-mid:rgba(230,236,255,.72);
  --text-low:rgba(210,220,255,.48);
  --radius-xl:22px;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 12px 30px rgba(3,6,20,.55);
  --shadow-hover:0 18px 44px rgba(95,227,208,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --gap:24px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"Inter","HarmonyOS Sans",-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-mid);
  background-color:var(--bg-abyss);
  background-image:
    radial-gradient(circle at 12% 8%,rgba(95,227,208,.08) 0,rgba(95,227,208,0) 32%),
    radial-gradient(circle at 86% 4%,rgba(139,107,255,.10) 0,rgba(139,107,255,0) 34%),
    radial-gradient(circle at 68% 82%,rgba(255,196,107,.05) 0,rgba(255,196,107,0) 30%),
    radial-gradient(circle at 24% 58%,rgba(139,107,255,.07) 0,rgba(139,107,255,0) 36%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 22%,rgba(255,255,255,.55),transparent),
    radial-gradient(1.2px 1.2px at 62% 12%,rgba(255,255,255,.40),transparent),
    radial-gradient(1.6px 1.6px at 82% 48%,rgba(255,255,255,.35),transparent),
    radial-gradient(1.1px 1.1px at 34% 74%,rgba(255,255,255,.34),transparent),
    radial-gradient(1.3px 1.3px at 72% 88%,rgba(255,255,255,.30),transparent),
    radial-gradient(1px 1px at 8% 62%,rgba(255,255,255,.28),transparent);
  opacity:.5;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--star-cyan);text-decoration:none;transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease);}
a:hover{color:#8AF2E4;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--star-cyan);outline-offset:3px;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{color:var(--text-hi);font-weight:700;margin:0;letter-spacing:.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--star-cyan);color:#06121A;padding:10px 18px;border-radius:0 0 12px 0;z-index:999;}
.skip-link:focus{left:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:13px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--star-cyan) 0%,var(--nebula-violet) 100%);
  color:#06121A;
  box-shadow:0 10px 26px rgba(95,227,208,.22),0 0 0 1px rgba(95,227,208,.24) inset;
}
.btn-primary:hover{color:#06121A;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(95,227,208,.30);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:var(--surface-glass);color:var(--text-hi);border-color:var(--line-glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{color:var(--text-hi);border-color:rgba(95,227,208,.42);background:var(--surface-glass-2);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:10px 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 0;
  transition:background var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,10,24,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 10px 30px rgba(3,6,20,.55);
  border-bottom:1px solid var(--line-glass);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  padding:10px 14px;border-radius:var(--radius-xl);
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--text-hi);}
.brand:hover{color:var(--text-hi);}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(95,227,208,.22),rgba(139,107,255,.28));
  border:1px solid rgba(95,227,208,.34);
  color:var(--star-cyan);font-size:17px;
  box-shadow:0 0 18px rgba(95,227,208,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:15px;letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-low);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:8px;margin:0 0 0 auto;}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;font-size:14px;color:var(--text-mid);
  background:transparent;border:1px solid transparent;
  transition:all var(--dur) var(--ease);
}
.nav-card i{font-size:13px;color:var(--text-low);transition:color var(--dur) var(--ease);}
.nav-card:hover{color:var(--text-hi);background:var(--surface-glass-2);border-color:var(--line-glass);}
.nav-card:hover i{color:var(--star-cyan);}
.nav-card.is-active{
  color:var(--text-hi);background:var(--surface-glass-2);
  border-color:rgba(95,227,208,.38);
  box-shadow:0 0 0 1px rgba(95,227,208,.14),0 0 18px rgba(95,227,208,.14);
}
.nav-card.is-active i{color:var(--star-cyan);}
.nav-cta{margin-left:6px;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:14px;
  background:var(--surface-glass-2);border:1px solid var(--line-glass);color:var(--text-hi);font-size:16px;
}
.nav-toggle:hover{border-color:rgba(95,227,208,.42);color:var(--star-cyan);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.3;}
.section-head p{color:var(--text-mid);margin:8px 0 0;font-size:15px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--star-cyan);}
.link-more i{transition:transform var(--dur) var(--ease);font-size:12px;}
.link-more:hover i{transform:translateX(3px);}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.03em;
  background:var(--surface-glass-2);border:1px solid var(--line-glass);color:var(--star-cyan);
}
.badge-violet{color:#C3B4FF;border-color:rgba(139,107,255,.34);}
.badge-amber{color:var(--dust-amber);border-color:rgba(255,196,107,.30);}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:64px 0 56px;
  background-image:linear-gradient(180deg,rgba(7,10,24,.86) 0%,rgba(7,10,24,.94) 62%,var(--bg-abyss) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line-glass);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-low);flex-wrap:wrap;margin-bottom:26px;}
.breadcrumb a{color:var(--text-low);}
.breadcrumb a:hover{color:var(--star-cyan);}
.breadcrumb span.sep{opacity:.5;}
.breadcrumb .current{color:var(--text-mid);}
.article-hero h1{
  font-size:clamp(1.7rem,3.4vw,2.6rem);
  line-height:1.34;
  max-width:900px;
}
.article-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:22px;
  font-size:13px;color:var(--text-low);
}
.article-meta .divider{width:1px;height:12px;background:var(--line-glass);}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{font-size:12px;color:var(--star-cyan);opacity:.85;}

/* ---------- 文章主体 ---------- */
.article-body{padding:64px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start;}
.article-main{max-width:760px;width:100%;}
.article-content{font-size:17px;line-height:1.9;color:var(--text-mid);}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.1em;}
.article-content h2{
  position:relative;padding-left:16px;margin:2.1em 0 .8em;
  font-size:clamp(1.25rem,2vw,1.5rem);line-height:1.45;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--star-cyan),var(--nebula-violet));
  box-shadow:0 0 12px rgba(95,227,208,.5);
}
.article-content h3{margin:1.7em 0 .6em;font-size:1.15rem;line-height:1.5;}
.article-content h4{margin:1.4em 0 .5em;font-size:1rem;color:var(--text-hi);}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.3em;}
.article-content ul{list-style:none;padding-left:0;}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:.55em;}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--star-cyan);box-shadow:0 0 8px rgba(95,227,208,.7);
}
.article-content ol{list-style:decimal;color:var(--text-mid);}
.article-content ol li{margin-bottom:.55em;padding-left:4px;}
.article-content ol li::marker{color:var(--dust-amber);font-weight:700;font-family:var(--font-num);}
.article-content blockquote{
  margin:1.6em 0;padding:20px 24px;border-radius:var(--radius);
  background:var(--surface-glass);border:1px solid var(--line-glass);
  border-left:3px solid var(--star-cyan);
  color:var(--text-hi);font-size:15.5px;line-height:1.85;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--radius);margin:1.5em 0;box-shadow:var(--shadow);}
.article-content figure{margin:1.5em 0;}
.article-content figcaption{font-size:12px;color:var(--text-low);text-align:center;margin-top:10px;line-height:1.6;}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;
  border-radius:var(--radius-sm);overflow:hidden;
}
.article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line-glass);text-align:left;}
.article-content th{background:rgba(95,227,208,.08);color:var(--text-hi);font-weight:600;}
.article-content tr:nth-child(even) td{background:rgba(255,255,255,.03);}
.article-content pre{
  margin:1.5em 0;padding:18px 20px;border-radius:var(--radius-sm);
  background:rgba(4,7,18,.72);border:1px solid var(--line-glass);overflow-x:auto;
  font-size:13.5px;line-height:1.7;color:#CFE9E4;
}
.article-content code{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:.9em;
  background:rgba(95,227,208,.10);color:var(--star-cyan);
  padding:2px 6px;border-radius:6px;
}
.article-content pre code{background:transparent;color:inherit;padding:0;}
.article-content hr{border:0;height:1px;margin:2.4em 0;background:linear-gradient(90deg,rgba(95,227,208,.42),rgba(139,107,255,.24),transparent);}
.article-content a{text-decoration:underline;text-decoration-color:rgba(95,227,208,.4);text-underline-offset:3px;}
.article-content a:hover{text-decoration-color:var(--star-cyan);}

.article-empty{
  padding:44px 28px;border-radius:var(--radius-lg);text-align:center;
  background:var(--surface-glass);border:1px solid var(--line-glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.article-empty .star{font-size:26px;color:var(--dust-amber);margin-bottom:14px;display:block;}
.article-empty h3{margin-bottom:10px;font-size:1.15rem;}
.article-empty p{color:var(--text-mid);margin-bottom:22px;}
.article-empty .btn{margin:6px 6px 0;}

.article-tags{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:46px;padding-top:26px;border-top:1px solid var(--line-glass);
}
.article-tags .tags-label{font-size:13px;color:var(--text-low);margin-right:4px;}
.article-tags a{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  font-size:12.5px;color:var(--text-mid);
  background:var(--surface-glass);border:1px solid var(--line-glass);
  transition:all var(--dur) var(--ease);
}
.article-tags a:hover{color:var(--star-cyan);border-color:rgba(95,227,208,.42);transform:translateY(-2px);}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  padding:22px;border-radius:var(--radius-lg);
  background:var(--surface-glass);border:1px solid var(--line-glass);
  box-shadow:var(--shadow);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.side-card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--star-cyan);font-size:13px;}
.side-list li{margin-bottom:10px;}
.side-list a{
  display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-mid);
  padding:8px 10px;border-radius:10px;transition:all var(--dur) var(--ease);
}
.side-list a i{font-size:11px;color:var(--text-low);transition:transform var(--dur) var(--ease);}
.side-list a:hover{color:var(--text-hi);background:var(--surface-glass-2);}
.side-list a:hover i{color:var(--star-cyan);transform:translateX(3px);}
.side-facts{display:flex;flex-direction:column;gap:12px;}
.side-facts div{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-low);}
.side-facts strong{color:var(--text-hi);font-family:var(--font-num);font-weight:700;}

/* ---------- 相关推荐 ---------- */
.related{padding:78px 0;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--surface-glass);border:1px solid var(--line-glass);
  box-shadow:var(--shadow);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.4);box-shadow:var(--shadow-hover),0 0 0 1px rgba(95,227,208,.35);}
.related-card .thumb{aspect-ratio:16/9;overflow:hidden;position:relative;background:linear-gradient(135deg,rgba(95,227,208,.14),rgba(139,107,255,.18));}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.related-card:hover .thumb img{transform:scale(1.05);}
.related-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-card h3{font-size:16px;line-height:1.5;}
.related-card p{font-size:13.5px;color:var(--text-mid);margin:0;line-height:1.75;}
.related-card .foot{margin-top:auto;font-size:12.5px;color:var(--text-low);display:flex;align-items:center;justify-content:space-between;}
.related-card .foot i{color:var(--star-cyan);font-size:11px;transition:transform var(--dur) var(--ease);}
.related-card:hover .foot i{transform:translateX(3px);}

/* ---------- 上一篇 / 下一篇 ---------- */
.prevnext{padding:0 0 78px;}
.prevnext-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.pn-card{
  display:block;padding:24px 26px;border-radius:var(--radius-lg);
  background:var(--surface-glass);border:1px solid var(--line-glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.pn-card:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.4);box-shadow:var(--shadow-hover),0 0 0 1px rgba(95,227,208,.35);}
.pn-card .pn-label{font-size:12px;letter-spacing:.1em;color:var(--text-low);display:block;margin-bottom:10px;}
.pn-card h3{font-size:16px;color:var(--text-hi);line-height:1.5;margin-bottom:8px;}
.pn-card p{font-size:13px;color:var(--text-mid);margin:0;}
.pn-next{text-align:right;}

/* ---------- CTA ---------- */
.article-cta{padding:0 0 96px;}
.cta-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  padding:44px 46px;border-radius:var(--radius-xl);
  background:linear-gradient(120deg,rgba(95,227,208,.10) 0%,rgba(139,107,255,.12) 58%,rgba(255,196,107,.06) 100%),var(--surface-glass);
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.cta-card h2{font-size:clamp(1.35rem,2.2vw,1.85rem);line-height:1.4;margin-bottom:12px;}
.cta-card p{font-size:14.5px;color:var(--text-mid);margin:0;max-width:520px;}
.cta-actions{display:flex;gap:14px;justify-content:flex-end;flex-wrap:wrap;}
.cta-note{margin-top:20px;font-size:12.5px;color:var(--text-low);grid-column:1/-1;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.cta-note i{color:var(--star-cyan);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;padding:72px 0 30px;
  background:linear-gradient(180deg,rgba(14,19,41,.72) 0%,rgba(7,10,24,.96) 100%);
  border-top:1px solid var(--line-glass);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,227,208,.6),rgba(139,107,255,.5),transparent);
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{font-size:15px;color:var(--text-hi);}
.footer-desc{font-size:13.5px;color:var(--text-low);line-height:1.9;margin:0;max-width:330px;}
.footer-col h4{font-size:14px;margin-bottom:16px;color:var(--text-hi);}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{font-size:13px;color:var(--text-low);}
.footer-col ul a:hover{color:var(--star-cyan);}
.footer-sub form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-sub input{
  flex:1 1 160px;min-height:44px;padding:10px 14px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-glass);
  color:var(--text-hi);font-size:13.5px;
  box-shadow:inset 0 1px 6px rgba(0,0,0,.35);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.footer-sub input::placeholder{color:var(--text-low);}
.footer-sub input:focus{outline:none;border-color:rgba(95,227,208,.6);box-shadow:0 0 0 3px rgba(95,227,208,.16),inset 0 1px 6px rgba(0,0,0,.35);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-glass);
  font-size:12.5px;color:var(--text-low);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface-glass);border:1px solid var(--line-glass);color:var(--text-mid);font-size:13px;
  transition:all var(--dur) var(--ease);
}
.footer-social a:hover{color:var(--star-cyan);border-color:rgba(95,227,208,.42);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 240px;}
  .article-main{max-width:100%;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nav-links{gap:4px;}
  .nav-card{padding:8px 12px;font-size:13px;}
}
@media screen and (max-width:768px){
  .section{padding:56px 0;}
  .container{padding:0 18px;}
  .article-hero{padding:44px 0 40px;}
  .article-body{padding:48px 0 56px;}
  .article-content{font-size:16px;}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:8px;
    padding:16px;border-radius:var(--radius-lg);
    background:rgba(10,14,32,.92);border:1px solid var(--line-glass);
    box-shadow:var(--shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    display:none;
  }
  .nav-panel{position:relative;}
  .nav-panel.is-open .nav-links{display:flex;}
  .nav-links li{width:100%;}
  .nav-card{display:flex;width:100%;padding:13px 16px;font-size:14px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cta{display:none;}
  .related-grid{grid-template-columns:1fr;}
  .prevnext-grid{grid-template-columns:1fr;}
  .pn-next{text-align:left;}
  .cta-card{grid-template-columns:1fr;padding:30px 24px;text-align:left;}
  .cta-actions{justify-content:flex-start;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
}
@media screen and (max-width:520px){
  .brand-text em{display:none;}
  .article-meta{gap:10px;font-size:12.5px;}
  .article-meta .divider{display:none;}
  .btn{width:100%;}
  .article-tags{gap:8px;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg-abyss:#070A18;
  --bg-deep:#0E1329;
  --surface-glass:rgba(255,255,255,.06);
  --surface-glass-2:rgba(255,255,255,.09);
  --line-glass:rgba(160,180,255,.16);
  --line-strong:rgba(95,227,208,.35);
  --star-cyan:#5FE3D0;
  --nebula-violet:#8B6BFF;
  --dust-amber:#FFC46B;
  --text-hi:#EEF2FF;
  --text-mid:rgba(230,236,255,.72);
  --text-low:rgba(210,220,255,.48);
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-card:0 12px 30px rgba(3,6,20,.55);
  --shadow-hover:0 18px 44px rgba(95,227,208,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}

/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-mid);
  background:var(--bg-abyss);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(1100px 560px at 80% -8%, rgba(139,107,255,.18), transparent 62%),
    radial-gradient(880px 480px at 10% 6%, rgba(95,227,208,.10), transparent 64%),
    radial-gradient(720px 620px at 48% 108%, rgba(139,107,255,.12), transparent 66%),
    var(--bg-abyss);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.55;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 22%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1.1px 1.1px at 66% 12%, rgba(255,255,255,.4), transparent 60%),
    radial-gradient(1.3px 1.3px at 84% 46%, rgba(255,255,255,.34), transparent 60%),
    radial-gradient(1px 1px at 34% 62%, rgba(255,255,255,.3), transparent 60%),
    radial-gradient(1.2px 1.2px at 8% 78%, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(1px 1px at 54% 92%, rgba(255,255,255,.24), transparent 60%),
    radial-gradient(1.4px 1.4px at 92% 82%, rgba(255,255,255,.26), transparent 60%);
}
h1,h2,h3,h4{color:var(--text-hi);font-weight:700;margin:0;line-height:1.3}
h1{font-size:clamp(2.1rem,4.4vw,3.4rem);line-height:1.2;letter-spacing:-.01em;font-weight:800}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.18rem;line-height:1.45}
h4{font-size:1rem}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--star-cyan);outline-offset:3px}

/* ============ 容器 ============ */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:56px 0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:13px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),filter 220ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--star-cyan),var(--nebula-violet));
  color:#06121A;
  box-shadow:0 10px 28px rgba(95,227,208,.28);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 34px rgba(95,227,208,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:var(--surface-glass);
  border-color:var(--line-glass);
  color:var(--text-hi);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(95,227,208,.35)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px}

/* ============ 页头导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px 0;
  transition:background 300ms var(--ease),backdrop-filter 300ms var(--ease),border-color 300ms var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(7,10,24,.76);
  backdrop-filter:blur(18px);
  border-bottom-color:var(--line-glass);
}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:14px;
  padding:10px 14px;
  border-radius:var(--radius-lg);
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
}
.nav-panel::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--star-cyan),var(--nebula-violet));
  color:#06121A;font-size:15px;
  box-shadow:0 0 22px rgba(95,227,208,.35);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:15px;color:var(--text-hi);letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-low)}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-card{
  position:relative;
  display:flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--radius-pill);
  border:1px solid transparent;
  background:rgba(255,255,255,.03);
  color:var(--text-mid);font-size:14px;
  transition:all 220ms var(--ease);
}
.nav-card i{font-size:13px;color:var(--star-cyan);opacity:.85}
.nav-card:hover{color:var(--text-hi);background:rgba(255,255,255,.08);border-color:var(--line-glass);transform:translateY(-2px)}
.nav-card:active{transform:translateY(0)}
.nav-card.is-active{
  color:var(--text-hi);
  border-color:var(--line-strong);
  background:rgba(95,227,208,.08);
  box-shadow:0 0 0 1px rgba(95,227,208,.22);
}
.nav-card.is-active::after{
  content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;
  background:var(--star-cyan);
  box-shadow:0 0 10px rgba(95,227,208,.9);
}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-glass);background:var(--surface-glass);
  color:var(--text-hi);font-size:16px;cursor:pointer;margin-left:auto;
  place-items:center;transition:all 220ms var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--star-cyan)}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-low);padding:22px 0 0;
}
.breadcrumb a{color:var(--text-low);transition:color 220ms var(--ease)}
.breadcrumb a:hover{color:var(--star-cyan)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--text-mid)}

/* ============ 页首 ============ */
.page-hero{padding-bottom:10px}
.page-hero-grid{
  display:grid;grid-template-columns:1.3fr .9fr;gap:40px;align-items:center;
  padding:34px 0 8px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(95,227,208,.10);
  border:1px solid rgba(95,227,208,.28);
  color:var(--star-cyan);font-size:13px;
}
.eyebrow i{font-size:12px}
.page-hero h1{margin-top:20px}
.lede{font-size:17px;line-height:1.9;max-width:640px;margin-top:16px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  min-height:28px;padding:4px 14px;border-radius:var(--radius-pill);
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  color:var(--text-mid);font-size:13px;
}
.pill i{color:var(--dust-amber);font-size:11px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px;max-width:620px}
.stat{
  padding:16px 18px;border-radius:var(--radius);
  background:var(--surface-glass);border:1px solid var(--line-glass);
}
.stat strong{display:block;font-size:26px;font-weight:700;color:var(--text-hi);font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{font-size:13px;color:var(--text-low)}
.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-glass);box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
  background:linear-gradient(135deg,rgba(95,227,208,.2),rgba(139,107,255,.22));
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,24,.08),rgba(7,10,24,.7));
}
.float-note{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:10px;
  padding:12px 16px;border-radius:14px;
  background:rgba(14,19,41,.8);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(12px);
  font-size:13px;color:var(--text-hi);
}
.float-note i{color:var(--dust-amber)}

/* ============ 板块标题 ============ */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:36px;flex-wrap:wrap;
}
.section-head .eyebrow-line{
  display:block;font-size:13px;color:var(--star-cyan);
  letter-spacing:.18em;margin-bottom:10px;font-weight:600;
}
.section-head p{max-width:640px;margin-top:12px}

/* ============ 双栏布局 ============ */
.layout-two-col{display:grid;grid-template-columns:284px 1fr;gap:32px;align-items:start}
.side-rail{position:sticky;top:100px}
.rail-card{
  padding:24px;border-radius:var(--radius-lg);
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
}
.rail-title{font-size:15px;color:var(--text-hi);margin-bottom:16px;letter-spacing:.02em}
.rail-list{display:flex;flex-direction:column;gap:2px}
.rail-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:10px;
  font-size:14px;color:var(--text-mid);
  transition:all 220ms var(--ease);
}
.rail-list a i{font-size:11px;color:var(--star-cyan);opacity:.7;transition:transform 220ms var(--ease)}
.rail-list a:hover{background:rgba(95,227,208,.09);color:var(--text-hi)}
.rail-list a:hover i{transform:translateX(3px);opacity:1}
.rail-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;padding-top:20px;border-top:1px solid var(--line-glass)}
.tag{
  display:inline-flex;align-items:center;
  min-height:26px;padding:3px 12px;border-radius:var(--radius-pill);
  font-size:12px;color:#C9BBFF;
  background:rgba(139,107,255,.14);
  border:1px solid rgba(139,107,255,.3);
}

/* ============ 入口卡片列表 ============ */
.entry-list{display:flex;flex-direction:column;gap:22px}
.entry-card{
  position:relative;
  display:grid;grid-template-columns:250px 1fr;gap:24px;
  padding:22px;border-radius:var(--radius-lg);
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.entry-card::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.entry-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover);
}
.entry-media{
  aspect-ratio:4/3;border-radius:14px;overflow:hidden;
  background:linear-gradient(135deg,rgba(95,227,208,.18),rgba(139,107,255,.22));
}
.entry-media img{width:100%;height:100%;object-fit:cover}
.entry-body{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.entry-body h3{margin-top:2px}
.entry-body p{font-size:15px;line-height:1.85}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  min-height:26px;padding:3px 12px;border-radius:var(--radius-pill);
  font-size:12px;
  background:rgba(139,107,255,.14);
  border:1px solid rgba(139,107,255,.32);
  color:#C9BBFF;
}
.badge.is-cyan{background:rgba(95,227,208,.12);border-color:rgba(95,227,208,.3);color:var(--star-cyan)}
.badge.is-amber{background:rgba(255,196,107,.12);border-color:rgba(255,196,107,.32);color:var(--dust-amber)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--star-cyan);margin-top:auto;
  padding-top:4px;
}
.text-link i{font-size:12px;transition:transform 220ms var(--ease)}
.text-link:hover i{transform:translateX(3px)}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
  padding:28px 26px;border-radius:var(--radius-lg);
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.scene-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(95,227,208,.2),rgba(139,107,255,.26));
  color:var(--star-cyan);font-size:17px;margin-bottom:18px;
}
.scene-card h3{margin-bottom:10px}
.scene-card p{font-size:14.5px}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step-card{
  position:relative;padding:26px 22px;border-radius:var(--radius-lg);
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.step-num{
  display:inline-block;font-size:12px;font-weight:700;color:var(--dust-amber);
  letter-spacing:.2em;
}
.step-card h3{margin:12px 0 8px;font-size:1.05rem}
.step-card p{font-size:14.5px}

/* ============ FAQ ============ */
.faq-accordion{border:0;background:transparent;margin:0}
.faq-accordion .accordion-item{
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.faq-accordion .accordion-item:hover{border-color:var(--line-strong)}
.faq-accordion .accordion-item.is-active{border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;font-size:16px;font-weight:600;
  color:var(--text-hi);background:transparent;border:0;
  transition:background 220ms var(--ease);
}
.faq-accordion .accordion-title:hover{background:rgba(255,255,255,.04)}
.faq-accordion .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:static;margin-left:auto;padding-left:18px;
  color:var(--star-cyan);font-size:13px;
  transition:transform 220ms var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"\f068"}
.faq-accordion .accordion-content{
  background:transparent;border:0;
  padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-mid);
}

/* ============ CTA ============ */
.cta-banner{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;
  padding:44px 40px;border-radius:24px;
  background:
    linear-gradient(120deg,rgba(95,227,208,.13),rgba(139,107,255,.15)),
    var(--surface-glass);
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
}
.cta-banner::before{
  content:"";position:absolute;left:40px;right:40px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);
}
.cta-banner h2{margin-bottom:12px}
.cta-banner p{font-size:15px;max-width:500px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{flex:1 1 220px;min-width:0}
.form-note{font-size:13px;color:var(--text-low);margin-top:12px}

/* ============ 表单控件 ============ */
input[type="email"],input[type="text"]{
  width:100%;min-height:46px;padding:12px 16px;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-glass);
  color:var(--text-hi);font-size:15px;font-family:inherit;
  box-shadow:inset 0 1px 2px rgba(0,0,0,.3);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
input::placeholder{color:var(--text-low)}
input:focus{outline:none;border-color:var(--star-cyan);box-shadow:0 0 0 3px rgba(95,227,208,.18),inset 0 1px 2px rgba(0,0,0,.3)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:40px;
  background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.035));
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,227,208,.65),rgba(139,107,255,.55),transparent);
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;
  padding:56px 0 36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--text-hi);font-size:15px;font-weight:700}
.footer-desc{font-size:13px;color:var(--text-low);margin-top:16px;max-width:330px;line-height:1.95}
.footer-col h4{font-size:14px;color:var(--text-hi);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13px;color:var(--text-low);transition:color 220ms var(--ease)}
.footer-col a:hover{color:var(--star-cyan)}
.footer-sub form{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.footer-sub input{flex:1 1 160px;min-width:0;min-height:40px;padding:8px 14px;font-size:13px;border-radius:12px}
.footer-sub .btn{min-height:40px;padding:8px 18px;font-size:13px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 34px;border-top:1px solid var(--line-glass);
  font-size:13px;color:var(--text-low);
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--surface-glass);border:1px solid var(--line-glass);
  color:var(--text-mid);
  transition:all 220ms var(--ease);
}
.footer-social a:hover{color:var(--star-cyan);border-color:var(--line-strong);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-cta{display:none}
  .nav-toggle{display:grid}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:8px;
    margin-left:0;padding:14px;
    border-radius:var(--radius-lg);
    background:rgba(10,14,32,.95);
    border:1px solid var(--line-glass);
    backdrop-filter:blur(18px);
    box-shadow:var(--shadow-card);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-card{width:100%;justify-content:flex-start;font-size:15px;padding:12px 14px}
  .nav-card.is-active::after{display:none}

  .section{padding:72px 0}
  .page-hero-grid{grid-template-columns:1fr;gap:28px}
  .layout-two-col{grid-template-columns:1fr;gap:26px}
  .side-rail{position:static}
  .steps{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .cta-banner{grid-template-columns:1fr;gap:24px;padding:36px 28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;padding:48px 0 30px}
}

@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .entry-card{grid-template-columns:1fr;gap:18px;padding:18px}
  .entry-media{aspect-ratio:16/9}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px}
  .footer-top{grid-template-columns:1fr}
  .cta-form{flex-direction:column;align-items:stretch}
  .cta-form .btn{width:100%}
}

@media (max-width:520px){
  body{font-size:15.5px}
  .brand-text em{display:none}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-banner{padding:28px 20px;border-radius:20px}
  .rail-card{padding:20px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg-abyss:#070A18;
  --bg-deep:#0E1329;
  --surface-glass:rgba(255,255,255,0.06);
  --surface-glass-2:rgba(255,255,255,0.09);
  --line-glass:rgba(160,180,255,0.16);
  --star-cyan:#5FE3D0;
  --nebula-violet:#8B6BFF;
  --dust-amber:#FFC46B;
  --text-hi:#EEF2FF;
  --text-mid:rgba(230,236,255,0.72);
  --text-low:rgba(210,220,255,0.48);
  --warn:#FF9A6B;
  --radius-s:12px;
  --radius:16px;
  --radius-l:20px;
  --shadow:0 12px 30px rgba(3,6,20,.55);
  --shadow-lift:0 18px 44px rgba(95,227,208,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}

html{scroll-behavior:smooth;}

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

body{
  margin:0;
  background-color:var(--bg-abyss);
  background-image:
    radial-gradient(circle at 10% 6%, rgba(95,227,208,.10), transparent 42%),
    radial-gradient(circle at 90% 2%, rgba(139,107,255,.12), transparent 46%),
    radial-gradient(circle at 50% 108%, rgba(139,107,255,.10), transparent 58%);
  background-attachment:fixed;
  color:var(--text-mid);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.55;
  background-image:
    radial-gradient(1.5px 1.5px at 14% 22%, rgba(255,255,255,.34), transparent),
    radial-gradient(1.2px 1.2px at 68% 12%, rgba(255,255,255,.26), transparent),
    radial-gradient(1.6px 1.6px at 82% 46%, rgba(95,227,208,.30), transparent),
    radial-gradient(1.2px 1.2px at 34% 68%, rgba(255,255,255,.22), transparent),
    radial-gradient(1.4px 1.4px at 56% 88%, rgba(139,107,255,.28), transparent),
    radial-gradient(1.1px 1.1px at 8% 84%, rgba(255,255,255,.20), transparent);
}

h1,h2,h3,h4,h5,h6{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  color:var(--text-hi);
  margin:0 0 .6em;
  font-weight:700;
  letter-spacing:.01em;
}

h1{font-size:clamp(2.1rem,4.4vw,3.4rem);line-height:1.2;}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.3;}
h3{font-size:1.2rem;line-height:1.45;}
h4{font-size:1rem;line-height:1.5;}

p{margin:0 0 1.1em;}

a{color:var(--star-cyan);text-decoration:none;transition:color 220ms var(--ease);}
a:hover{color:#fff;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--star-cyan);outline-offset:3px;}

img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

::selection{background:rgba(95,227,208,.28);color:#fff;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ---------- 通用组件 ---------- */
.section{padding:96px 0;position:relative;z-index:1;}
.section--tight{padding:72px 0;}
.section--deep{background:linear-gradient(180deg,rgba(14,19,41,.72),rgba(7,10,24,0));}

.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--star-cyan);margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--star-cyan),transparent);
}
.section-head p{color:var(--text-mid);font-size:1rem;margin:0;}

.section-head--row{
  max-width:none;
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.section-head--row .section-head-text{max-width:660px;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.92rem;font-weight:600;color:var(--star-cyan);
  white-space:nowrap;
}
.link-arrow i{font-size:12px;transition:transform 220ms var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(95,227,208,.10);
  border:1px solid rgba(95,227,208,.28);
  color:var(--star-cyan);
}
.tag--violet{background:rgba(139,107,255,.12);border-color:rgba(139,107,255,.32);color:#B9A5FF;}
.tag--amber{background:rgba(255,196,107,.12);border-color:rgba(255,196,107,.32);color:var(--dust-amber);}
.tag--ghost{background:rgba(255,255,255,.05);border-color:var(--line-glass);color:var(--text-mid);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:44px;padding:13px 26px;border-radius:999px;
  font-size:.95rem;font-weight:600;border:1px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform 220ms var(--ease),filter 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease),background 220ms var(--ease);
}
.btn-primary{
  background:linear-gradient(120deg,var(--star-cyan),var(--nebula-violet));
  color:#06121A;
  box-shadow:0 10px 26px rgba(95,227,208,.22);
}
.btn-primary:hover{color:#06121A;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(95,227,208,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(95,227,208,.20);}
.btn-ghost{
  background:var(--surface-glass);
  border-color:var(--line-glass);
  color:var(--text-hi);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{color:var(--star-cyan);border-color:rgba(95,227,208,.5);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:10px 20px;font-size:.86rem;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  padding:16px 0;
  transition:padding 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  padding:8px 0;
  background:rgba(7,10,24,.74);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:var(--line-glass);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  padding:12px 16px;
  border-radius:20px;
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  position:relative;
}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(95,227,208,.90),rgba(139,107,255,.90));
  color:#06121A;font-size:16px;
  box-shadow:0 8px 20px rgba(95,227,208,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{color:var(--text-hi);font-size:.98rem;font-weight:700;letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-low);letter-spacing:.06em;}

.nav-links{display:flex;align-items:center;gap:6px;margin:0 auto;padding:0;}
.nav-links li{list-style:none;}
.nav-card{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:12px;
  font-size:.88rem;color:var(--text-mid);
  border:1px solid transparent;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
}
.nav-card i{font-size:12px;color:var(--text-low);transition:color 220ms var(--ease);}
.nav-card:hover{
  background:var(--surface-glass-2);
  color:var(--text-hi);
  border-color:var(--line-glass);
  transform:translateY(-2px);
}
.nav-card:hover i{color:var(--star-cyan);}
.nav-card.is-active{
  color:var(--star-cyan);
  background:rgba(95,227,208,.09);
  border-color:rgba(95,227,208,.42);
  box-shadow:0 0 0 1px rgba(95,227,208,.14);
}
.nav-card.is-active i{color:var(--star-cyan);}
.nav-card.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-5px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--star-cyan),var(--nebula-violet));
  box-shadow:0 0 10px rgba(95,227,208,.7);
}
.nav-cta{flex:0 0 auto;}
.nav-mobile-cta{display:none;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:13px;
  background:var(--surface-glass);border:1px solid var(--line-glass);
  color:var(--text-hi);font-size:16px;cursor:pointer;
  transition:border-color 220ms var(--ease),color 220ms var(--ease);
}
.nav-toggle:hover{border-color:rgba(95,227,208,.5);color:var(--star-cyan);}

/* ---------- 首屏 banner ---------- */
.page-banner{
  position:relative;
  overflow:hidden;
  padding:104px 0 88px;
  border-bottom:1px solid var(--line-glass);
}
.page-banner-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center;
  filter:saturate(.85);
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,10,24,.62),rgba(7,10,24,.90)),
    radial-gradient(circle at 78% 18%, rgba(139,107,255,.22), transparent 55%),
    radial-gradient(circle at 12% 80%, rgba(95,227,208,.16), transparent 55%);
}
.page-banner-inner{position:relative;z-index:2;max-width:860px;}

.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-low);margin-bottom:22px;
}
.crumbs a{color:var(--text-low);}
.crumbs a:hover{color:var(--star-cyan);}
.crumbs span[aria-current]{color:var(--text-mid);}

.page-banner h1{margin:16px 0 20px;}
.banner-lead{
  font-size:1.02rem;color:var(--text-mid);
  max-width:680px;margin:0 0 32px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}

.banner-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat-pill{
  display:flex;align-items:center;gap:12px;
  padding:12px 20px;border-radius:16px;
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(12px);
}
.stat-pill strong{
  font-family:"Inter","HarmonyOS Sans",sans-serif;
  font-size:1.25rem;font-weight:700;color:var(--star-cyan);line-height:1;
}
.stat-pill span{font-size:13px;color:var(--text-mid);}

/* ---------- 路径卡片网格 ---------- */
.path-grid{margin-top:8px;}
.path-card{
  display:flex;flex-direction:column;height:100%;
  border-radius:var(--radius-l);
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow);
  overflow:hidden;
  backdrop-filter:blur(14px);
  position:relative;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.path-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.path-card:hover{
  transform:translateY(-4px);
  border-color:rgba(95,227,208,.40);
  box-shadow:var(--shadow),var(--shadow-lift),0 0 0 1px rgba(95,227,208,.35);
}
.path-card figure{margin:0;position:relative;overflow:hidden;}
.path-card figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform 420ms var(--ease),filter 420ms var(--ease);
  filter:saturate(.9);
}
.path-card:hover figure img{transform:scale(1.04);filter:saturate(1);}
.path-card figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,24,.10),rgba(7,10,24,.62));
}
.path-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.path-card-body .tag{align-self:flex-start;margin-bottom:14px;}
.path-card-body h3{font-size:1.08rem;margin:0 0 10px;}
.path-card-body p{font-size:.9rem;color:var(--text-mid);margin:0 0 18px;flex:1 1 auto;}
.card-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--star-cyan);
}
.card-arrow i{font-size:11px;transition:transform 220ms var(--ease);}
.path-card:hover .card-arrow i{transform:translateX(4px);}

/* ---------- 四步流程 ---------- */
.step-grid{margin-top:8px;}
.step-card{
  height:100%;
  padding:28px 24px;
  border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border:1px solid var(--line-glass);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.step-card:hover{
  transform:translateY(-4px);
  border-color:rgba(139,107,255,.42);
  box-shadow:0 18px 44px rgba(139,107,255,.14);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:999px;
  font-family:"Inter","HarmonyOS Sans",sans-serif;
  font-size:14px;font-weight:700;
  color:#1A1206;background:linear-gradient(135deg,var(--dust-amber),#FFE0A6);
  margin-bottom:18px;
  box-shadow:0 8px 18px rgba(255,196,107,.22);
}
.step-card h3{font-size:1.02rem;margin:0 0 10px;}
.step-card p{font-size:.9rem;margin:0;color:var(--text-mid);}

/* ---------- 适用场景 ---------- */
.scene-main{
  height:100%;
  border-radius:var(--radius-l);
  overflow:hidden;
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.scene-main:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.4);}
.scene-main figure{margin:0;position:relative;}
.scene-main figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene-main figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,24,.05),rgba(7,10,24,.72));
}
.scene-main-body{padding:26px 28px 30px;}
.scene-main-body h3{font-size:1.25rem;margin:12px 0 12px;}
.scene-main-body p{font-size:.94rem;margin:0;color:var(--text-mid);}

.scene-side{display:flex;flex-direction:column;gap:18px;height:100%;}
.scene-mini{
  flex:1 1 auto;
  padding:26px 26px 28px;
  border-radius:var(--radius);
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.scene-mini:hover{
  transform:translateY(-4px);
  border-color:rgba(139,107,255,.42);
  box-shadow:0 18px 40px rgba(139,107,255,.13);
}
.scene-mini i.scene-icon{
  font-size:18px;color:var(--nebula-violet);margin-bottom:16px;
}
.scene-mini h3{font-size:1.02rem;margin:0 0 10px;}
.scene-mini p{font-size:.9rem;margin:0;color:var(--text-mid);}

/* ---------- 路径对照表 ---------- */
.table-scroll{
  overflow-x:auto;
  border-radius:var(--radius);
  border:1px solid var(--line-glass);
  background:var(--surface-glass);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.path-table{
  width:100%;min-width:760px;
  border-collapse:separate;border-spacing:0;
  margin:0;
}
.path-table thead th{
  padding:18px 22px;
  text-align:left;
  font-size:13px;letter-spacing:.08em;
  color:var(--star-cyan);
  font-weight:600;
  background:rgba(95,227,208,.07);
  border-bottom:1px solid var(--line-glass);
  white-space:nowrap;
}
.path-table tbody td{
  padding:18px 22px;
  font-size:.92rem;
  color:var(--text-mid);
  border-bottom:1px solid rgba(160,180,255,.10);
  vertical-align:middle;
}
.path-table tbody tr:last-child td{border-bottom:0;}
.path-table tbody tr{transition:background 220ms var(--ease);}
.path-table tbody tr:hover{background:rgba(255,255,255,.04);}
.path-table td strong{color:var(--text-hi);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;}
.faq-item{
  border:1px solid var(--line-glass);
  border-radius:var(--radius);
  background:var(--surface-glass);
  backdrop-filter:blur(14px);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.faq-item:hover{border-color:rgba(95,227,208,.34);}
.faq-item.is-open{border-color:rgba(95,227,208,.45);box-shadow:0 14px 36px rgba(95,227,208,.10);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  width:100%;min-height:56px;padding:16px 24px;
  background:none;border:0;cursor:pointer;text-align:left;
  color:var(--text-hi);font-size:1rem;font-weight:600;line-height:1.5;
  transition:color 220ms var(--ease);
}
.faq-q:hover{color:var(--star-cyan);}
.faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--star-cyan);
  background:rgba(95,227,208,.10);
  border:1px solid rgba(95,227,208,.30);
  transition:transform 260ms var(--ease),background 220ms var(--ease);
}
.faq-item.is-open .faq-sign{transform:rotate(180deg);background:rgba(95,227,208,.18);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 340ms var(--ease);}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:14px;line-height:1.85;color:var(--text-mid);
  border-top:1px solid rgba(160,180,255,.10);
  padding-top:16px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin:0 auto;
  border-radius:24px;
  padding:48px 48px;
  background:
    radial-gradient(circle at 88% 12%, rgba(139,107,255,.26), transparent 55%),
    radial-gradient(circle at 6% 88%, rgba(95,227,208,.18), transparent 55%),
    rgba(255,255,255,.05);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band-text{max-width:560px;}
.cta-band-text h2{margin:0 0 14px;font-size:clamp(1.4rem,2.3vw,1.9rem);}
.cta-band-text p{margin:0;font-size:.95rem;color:var(--text-mid);}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.cta-form input[type="email"]{
  min-width:260px;min-height:48px;
  padding:12px 20px;border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-glass);
  color:var(--text-hi);font-size:.92rem;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.cta-form input[type="email"]::placeholder{color:var(--text-low);}
.cta-form input[type="email"]:focus{
  outline:none;border-color:var(--star-cyan);
  box-shadow:0 0 0 3px rgba(95,227,208,.18);
  background:rgba(255,255,255,.07);
}
.cta-note{
  width:100%;margin-top:16px;font-size:13px;color:var(--text-low);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  padding:72px 0 32px;
  position:relative;
  background:linear-gradient(180deg,rgba(14,19,41,.55),rgba(7,10,24,.95));
  border-top:1px solid transparent;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,227,208,.55),rgba(139,107,255,.55),transparent);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px;font-size:14px;}
.footer-brand strong{color:var(--text-hi);font-size:1rem;}
.footer-desc{font-size:13px;color:var(--text-low);line-height:1.85;margin:0;max-width:320px;}
.footer-col h4{font-size:14px;color:var(--text-hi);margin:0 0 18px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:13px;color:var(--text-low);}
.footer-col ul li a:hover{color:var(--star-cyan);}
.footer-sub form{display:flex;gap:8px;flex-wrap:wrap;}
.footer-sub input[type="email"]{
  flex:1 1 150px;min-height:42px;padding:10px 16px;
  border-radius:12px;font-size:13px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-glass);
  color:var(--text-hi);
}
.footer-sub input[type="email"]::placeholder{color:var(--text-low);}
.footer-sub input[type="email"]:focus{outline:none;border-color:var(--star-cyan);box-shadow:0 0 0 3px rgba(95,227,208,.16);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:26px;
  border-top:1px solid rgba(160,180,255,.10);
  font-size:13px;color:var(--text-low);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface-glass);
  border:1px solid var(--line-glass);
  color:var(--text-mid);font-size:13px;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
}
.footer-social a:hover{transform:translateY(-2px);border-color:rgba(95,227,208,.5);color:var(--star-cyan);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:80px 0;}
  .cta-band{padding:40px 32px;}
}

@media (max-width:1023px){
  .section{padding:72px 0;}
  .site-header{padding:10px 0;}
  .nav-links{
    position:fixed;
    top:76px;left:16px;right:16px;bottom:16px;
    flex-direction:column;align-items:stretch;gap:10px;
    margin:0;padding:22px;
    border-radius:22px;
    background:rgba(9,13,30,.96);
    border:1px solid var(--line-glass);
    backdrop-filter:blur(20px);
    box-shadow:var(--shadow);
    overflow-y:auto;
    display:none;
    z-index:210;
  }
  .site-header.nav-open .nav-links{display:flex;}
  .nav-card{padding:14px 16px;font-size:.95rem;border-radius:14px;background:rgba(255,255,255,.04);border-color:var(--line-glass);}
  .nav-card.is-active::after{display:none;}
  .nav-card i{font-size:14px;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-mobile-cta{display:block;margin-top:6px;}
  .nav-mobile-cta .btn{width:100%;}
  .brand-text em{display:none;}

  .page-banner{padding:72px 0 64px;}
  .banner-stats{gap:12px;}
  .stat-pill{padding:10px 16px;}

  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:72px;padding:56px 0 28px;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .page-banner{padding:56px 0 52px;}
  .page-banner h1{margin:14px 0 16px;}
  .banner-lead{font-size:.96rem;margin-bottom:26px;}
  .banner-actions{gap:10px;margin-bottom:30px;}
  .banner-actions .btn{width:100%;}
  .stat-pill{flex:1 1 100%;}
  .cta-band{padding:30px 22px;border-radius:20px;}
  .cta-form{width:100%;}
  .cta-form input[type="email"]{min-width:0;width:100%;}
  .cta-form .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .path-card-body{padding:18px 18px 20px;}
  .step-card{padding:22px 18px;}
  .scene-main-body{padding:22px 18px 24px;}
  .scene-mini{padding:22px 18px 24px;}
}

@media (max-width:520px){
  .brand-text strong{font-size:.9rem;}
  .path-table{min-width:640px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}

/* roulang page: category3 */
:root{
  --bg-abyss:#070A18;
  --bg-deep:#0E1329;
  --surface-glass:rgba(255,255,255,.06);
  --surface-glass-strong:rgba(255,255,255,.10);
  --line-glass:rgba(160,180,255,.16);
  --star-cyan:#5FE3D0;
  --nebula-violet:#8B6BFF;
  --dust-amber:#FFC46B;
  --text-hi:#EEF2FF;
  --text-mid:rgba(230,236,255,.72);
  --text-low:rgba(210,220,255,.48);
  --warn:#FF9A6B;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --shadow-card:0 12px 30px rgba(3,6,20,.55);
  --shadow-glow:0 18px 44px rgba(95,227,208,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-hi);
  background-color:var(--bg-abyss);
  background-image:
    radial-gradient(circle at 10% 6%, rgba(95,227,208,.09), transparent 42%),
    radial-gradient(circle at 90% 14%, rgba(139,107,255,.11), transparent 46%),
    radial-gradient(circle at 52% 104%, rgba(95,227,208,.07), transparent 52%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.55;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 22%, rgba(238,242,255,.55), transparent 100%),
    radial-gradient(1.4px 1.4px at 78% 12%, rgba(238,242,255,.42), transparent 100%),
    radial-gradient(1.2px 1.2px at 34% 68%, rgba(95,227,208,.45), transparent 100%),
    radial-gradient(1.6px 1.6px at 62% 82%, rgba(238,242,255,.35), transparent 100%),
    radial-gradient(1.2px 1.2px at 88% 58%, rgba(139,107,255,.45), transparent 100%),
    radial-gradient(1.3px 1.3px at 22% 88%, rgba(238,242,255,.30), transparent 100%);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px}
p{margin:0}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--star-cyan);outline-offset:3px;border-radius:8px}
::selection{background:rgba(95,227,208,.28)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:2}
.section{padding:104px 0;position:relative;z-index:2}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.6px;color:var(--star-cyan);
  background:rgba(95,227,208,.10);border:1px solid rgba(95,227,208,.28);
}
.eyebrow i{font-size:11px}
h1{font-size:clamp(2.1rem,4.4vw,3.4rem);line-height:1.2}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.3}
h3{font-size:1.18rem;line-height:1.45}
h4{font-size:1rem}
.lead{font-size:1.02rem;color:var(--text-mid);line-height:1.9}
.muted{color:var(--text-mid)}
.small{font-size:13px;color:var(--text-low);line-height:1.6}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0;transition:background .3s var(--ease),box-shadow .3s var(--ease)}
.site-header.is-scrolled{background:rgba(7,10,24,.86);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 12px 30px rgba(3,6,20,.45)}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.028));
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.10);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--star-cyan),var(--nebula-violet));
  color:#06121A;font-size:16px;
  box-shadow:0 0 0 1px rgba(95,227,208,.35),0 10px 24px rgba(95,227,208,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:15px;letter-spacing:.4px}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-low)}
.nav-links{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav-card{
  display:flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:999px;
  font-size:13.5px;color:var(--text-mid);white-space:nowrap;
  border:1px solid transparent;
  transition:all .22s var(--ease);
}
.nav-card i{font-size:12.5px;color:var(--text-low);transition:color .22s var(--ease)}
.nav-card:hover{color:var(--text-hi);background:var(--surface-glass);border-color:var(--line-glass);transform:translateY(-2px)}
.nav-card:hover i{color:var(--star-cyan)}
.nav-card.is-active{
  color:var(--text-hi);
  background:rgba(95,227,208,.10);
  border-color:rgba(95,227,208,.36);
  box-shadow:inset 0 -2px 0 rgba(95,227,208,.85);
}
.nav-card.is-active i{color:var(--star-cyan)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:13px;
  align-items:center;justify-content:center;
  background:var(--surface-glass);border:1px solid var(--line-glass);color:var(--text-hi);
  transition:all .22s var(--ease);
}
.nav-toggle:hover{background:var(--surface-glass-strong);border-color:rgba(95,227,208,.4)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:13px 26px;border-radius:999px;
  font-size:14.5px;font-weight:600;letter-spacing:.3px;
  transition:all .22s var(--ease);
}
.btn i{font-size:12.5px;transition:transform .22s var(--ease)}
.btn-primary{
  background:linear-gradient(120deg,var(--star-cyan),var(--nebula-violet));
  color:#06121A;
  box-shadow:0 12px 30px rgba(95,227,208,.22),0 0 0 1px rgba(95,227,208,.32);
}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 16px 38px rgba(95,227,208,.30)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:var(--surface-glass);color:var(--text-hi);
  border:1px solid var(--line-glass);backdrop-filter:blur(12px);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(95,227,208,.45);color:#fff;box-shadow:0 14px 32px rgba(95,227,208,.14)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:9px 18px;font-size:13.5px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--star-cyan);font-size:14px;font-weight:600}
.link-arrow i{font-size:12px;transition:transform .22s var(--ease)}
.link-arrow:hover i{transform:translateX(3px)}

/* 面包屑 */
.crumb-bar{border-bottom:1px solid rgba(160,180,255,.10);padding:16px 0;position:relative;z-index:3}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-low)}
.crumb a:hover{color:var(--star-cyan)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--text-mid)}

/* 首屏 banner */
.page-hero{position:relative;overflow:hidden;padding:88px 0 84px;isolation:isolate}
.page-hero__bg{
  position:absolute;inset:0;z-index:-2;
  background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  opacity:.45;
}
.page-hero__mask{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(circle at 78% 26%, rgba(139,107,255,.20), transparent 52%),
    linear-gradient(120deg,rgba(7,10,24,.95) 0%,rgba(7,10,24,.76) 46%,rgba(14,19,41,.88) 100%);
}
.page-hero__grid{max-width:820px}
.page-hero h1{margin:20px 0 18px}
.page-hero .lead{max-width:680px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.pill{
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:var(--surface-glass);border:1px solid var(--line-glass);
  backdrop-filter:blur(12px);
}
.pill b{font-family:"Inter","HarmonyOS Sans",sans-serif;font-size:16px;font-weight:700;color:var(--star-cyan)}
.pill span{font-size:13px;color:var(--text-mid)}

/* 通用卡片 */
.card{
  position:relative;
  padding:26px;
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.10);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.40);box-shadow:0 0 0 1px rgba(95,227,208,.35),var(--shadow-glow),var(--shadow-card)}
.card h3{margin-bottom:10px}
.card p{font-size:14.5px;color:var(--text-mid)}
.card-icon{
  width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(95,227,208,.12);border:1px solid rgba(95,227,208,.30);
  color:var(--star-cyan);font-size:17px;margin-bottom:16px;
}
.card-icon.violet{background:rgba(139,107,255,.14);border-color:rgba(139,107,255,.32);color:var(--nebula-violet)}
.card-icon.amber{background:rgba(255,196,107,.12);border-color:rgba(255,196,107,.30);color:var(--dust-amber)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;
  background:var(--surface-glass);border:1px solid var(--line-glass);color:var(--text-mid);
}
.badge.cyan{color:var(--star-cyan);border-color:rgba(95,227,208,.30);background:rgba(95,227,208,.10)}
.badge.violet{color:#C3B2FF;border-color:rgba(139,107,255,.32);background:rgba(139,107,255,.12)}
.badge.amber{color:var(--dust-amber);border-color:rgba(255,196,107,.30);background:rgba(255,196,107,.10)}

/* 时间轴 */
.timeline{position:relative;margin-top:16px}
.timeline::before{
  content:"";position:absolute;left:50%;top:16px;bottom:16px;width:2px;margin-left:-1px;border-radius:2px;
  background:linear-gradient(180deg,rgba(95,227,208,0),rgba(95,227,208,.60) 14%,rgba(139,107,255,.60) 86%,rgba(139,107,255,0));
  box-shadow:0 0 22px rgba(95,227,208,.30);
}
.tl-item{position:relative;width:50%;padding:0 56px 56px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 56px 56px}
.tl-node{
  position:absolute;top:24px;z-index:3;
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--star-cyan),var(--nebula-violet));
  color:#06121A;font-size:10px;
  box-shadow:0 0 0 6px rgba(95,227,208,.10),0 0 22px rgba(95,227,208,.55);
}
.tl-item:nth-child(odd) .tl-node{right:-13px}
.tl-item:nth-child(even) .tl-node{left:-13px}
.tl-card{
  padding:26px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.10);
  backdrop-filter:blur(14px);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.40);box-shadow:0 0 0 1px rgba(95,227,208,.35),var(--shadow-glow),var(--shadow-card)}
.tl-step{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-family:"Inter","HarmonyOS Sans",sans-serif;font-size:12px;font-weight:700;letter-spacing:.6px;
  color:var(--dust-amber);background:rgba(255,196,107,.10);border:1px solid rgba(255,196,107,.28);
  margin-bottom:14px;
}
.tl-card h3{margin-bottom:10px}
.tl-card p{font-size:14.5px;color:var(--text-mid)}
.tl-media{margin-top:18px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line-glass)}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* 场景卡 */
.scenario-grid{margin-top:8px}
.scenario-card{height:100%;display:flex;flex-direction:column}
.scenario-card h3{margin-bottom:8px}
.scenario-card p{flex:1}
.scenario-card .badge{margin-top:16px;align-self:flex-start}

/* 清单双栏 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.checklist{margin-top:26px;display:grid;gap:18px}
.checklist li{display:flex;gap:14px;align-items:flex-start}
.checklist .tick{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;margin-top:3px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(95,227,208,.12);border:1px solid rgba(95,227,208,.32);color:var(--star-cyan);font-size:11px;
}
.checklist strong{display:block;font-size:15px;margin-bottom:4px}
.checklist span{font-size:14px;color:var(--text-mid);line-height:1.8}
.figure-frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-glass);box-shadow:var(--shadow-card)}
.figure-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.figure-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,24,0) 40%,rgba(7,10,24,.55))}
.figure-tag{
  position:absolute;left:18px;bottom:18px;z-index:3;
  display:flex;align-items:center;gap:10px;
  padding:11px 16px;border-radius:999px;font-size:13px;color:var(--text-hi);
  background:rgba(9,13,30,.72);border:1px solid var(--line-glass);backdrop-filter:blur(12px);
}
.figure-tag i{color:var(--dust-amber);font-size:12px}

/* FAQ */
.faq-accordion{margin-top:8px;border:0;background:transparent}
.faq-accordion .accordion-item{
  margin-bottom:14px;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.10);
  backdrop-filter:blur(14px);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-accordion .accordion-item.is-active{border-color:rgba(95,227,208,.40);box-shadow:0 0 0 1px rgba(95,227,208,.32),var(--shadow-glow)}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:18px 26px;border:0;
  font-size:15.5px;font-weight:600;color:var(--text-hi);line-height:1.5;
  background:transparent;
}
.faq-accordion .accordion-title::after{
  font-family:"Font Awesome 6 Free";font-weight:900;content:"\f067";
  font-size:12px;color:var(--star-cyan);flex:0 0 auto;
}
.faq-accordion .accordion-item.is-active .accordion-title::after{content:"\f068"}
.faq-accordion .accordion-title:hover{color:#fff;background:rgba(95,227,208,.06)}
.faq-accordion .accordion-content{padding:0 26px 22px;border:0;background:transparent;color:var(--text-mid)}
.faq-accordion .accordion-content p{font-size:14.5px;line-height:1.85}

/* CTA 条 */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:48px;
  background:linear-gradient(120deg,rgba(95,227,208,.14),rgba(139,107,255,.16));
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.14);
  backdrop-filter:blur(16px);
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 88% 12%, rgba(255,196,107,.18), transparent 46%);
}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:var(--text-mid);font-size:15px}
.cta-form{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{
  flex:1 1 240px;min-height:48px;padding:0 18px;border-radius:12px;
  background:rgba(6,10,22,.55);border:1px solid var(--line-glass);color:var(--text-hi);
  box-shadow:inset 0 1px 6px rgba(0,0,0,.35);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cta-form input::placeholder{color:var(--text-low)}
.cta-form input:focus{outline:none;border-color:var(--star-cyan);box-shadow:0 0 0 3px rgba(95,227,208,.22),inset 0 1px 6px rgba(0,0,0,.35)}
.cta-note{width:100%;font-size:13px;color:var(--text-low);display:flex;align-items:center;gap:8px}

/* 页脚 */
.site-footer{
  margin-top:40px;padding:72px 0 32px;position:relative;z-index:2;
  background:linear-gradient(180deg,rgba(14,19,41,.55),rgba(7,10,24,.95));
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(95,227,208,0),rgba(95,227,208,.55),rgba(139,107,255,.55),rgba(139,107,255,0)) 1;
}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{font-size:16px;letter-spacing:.4px}
.footer-desc{font-size:13.5px;color:var(--text-low);line-height:1.9;max-width:320px}
.footer-col h4{font-size:14px;color:var(--text-hi);margin-bottom:16px;letter-spacing:.4px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:13.5px;color:var(--text-low)}
.footer-col ul a:hover{color:var(--star-cyan)}
.footer-sub form{display:flex;gap:10px;flex-wrap:wrap}
.footer-sub input{
  flex:1 1 160px;min-height:42px;padding:0 14px;border-radius:12px;
  background:rgba(6,10,22,.5);border:1px solid var(--line-glass);color:var(--text-hi);font-size:13.5px;
}
.footer-sub input::placeholder{color:var(--text-low)}
.footer-sub input:focus{outline:none;border-color:var(--star-cyan);box-shadow:0 0 0 3px rgba(95,227,208,.20)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(160,180,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-low);
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--surface-glass);border:1px solid var(--line-glass);color:var(--text-mid);font-size:13px;
}
.footer-social a:hover{color:var(--star-cyan);border-color:rgba(95,227,208,.4);transform:translateY(-2px)}

/* 断点 */
@media screen and (max-width:63.9375em){
  .section{padding:76px 0}
  .section-tight{padding:56px 0}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    display:none;gap:10px;margin:0;padding:16px;
    background:rgba(9,13,30,.97);
    border:1px solid var(--line-glass);border-radius:var(--radius);
    box-shadow:var(--shadow-card);backdrop-filter:blur(18px);
  }
  .nav-panel.is-open .nav-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-card{width:100%;justify-content:flex-start;border-radius:14px;background:var(--surface-glass);border-color:var(--line-glass)}
  .nav-card.is-active{box-shadow:none}
  .timeline::before{left:13px}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 32px 48px}
  .tl-item:nth-child(odd) .tl-node,.tl-item:nth-child(even) .tl-node{left:0;right:auto}
  .split{grid-template-columns:1fr;gap:36px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-desc{max-width:none}
}
@media screen and (max-width:40em){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .nav-cta{display:none}
  .brand-text em{display:none}
  .brand-text strong{font-size:14px}
  .page-hero{padding:60px 0 56px}
  .card,.tl-card{padding:20px}
  .cta-band{padding:26px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-accordion .accordion-title{padding:16px 20px}
  .faq-accordion .accordion-content{padding:0 20px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --bg-abyss:#070A18;
  --bg-deep:#0E1329;
  --surface-glass:rgba(255,255,255,.06);
  --surface-glass-2:rgba(255,255,255,.09);
  --line-glass:rgba(160,180,255,.16);
  --line-strong:rgba(160,180,255,.3);
  --star-cyan:#5FE3D0;
  --nebula-violet:#8B6BFF;
  --dust-amber:#FFC46B;
  --warn:#FF9A6B;
  --text-hi:#EEF2FF;
  --text-mid:rgba(230,236,255,.72);
  --text-low:rgba(210,220,255,.48);
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --radius-pill:999px;
  --pad-card:26px;
  --shadow-card:0 12px 30px rgba(3,6,20,.55);
  --shadow-lift:0 18px 44px rgba(95,227,208,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"Inter","HarmonyOS Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-mid);
  background:
    radial-gradient(900px 620px at 10% -12%, rgba(139,107,255,.20), transparent 70%),
    radial-gradient(820px 520px at 92% 4%, rgba(95,227,208,.12), transparent 72%),
    var(--bg-abyss);
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.85;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1.2px 1.2px at 32% 68%, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(1.6px 1.6px at 58% 14%, rgba(191,230,255,.42), transparent 60%),
    radial-gradient(1.1px 1.1px at 74% 52%, rgba(255,255,255,.3), transparent 60%),
    radial-gradient(1.5px 1.5px at 88% 78%, rgba(95,227,208,.34), transparent 60%),
    radial-gradient(1.2px 1.2px at 46% 88%, rgba(255,255,255,.26), transparent 60%);
}
img{max-width:100%;display:block}
a{color:var(--star-cyan);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:#8BF0E2}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--star-cyan);outline-offset:3px}
h1,h2,h3,h4{color:var(--text-hi);font-weight:700;margin:0;line-height:1.3;letter-spacing:.2px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
.section{padding:100px 0;position:relative;z-index:1}
.section-deep{background:linear-gradient(180deg, rgba(14,19,41,.9), rgba(7,10,24,.2));border-top:1px solid var(--line-glass);border-bottom:1px solid var(--line-glass)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:14px}
.section-head p{color:var(--text-mid);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--star-cyan);
  background:var(--surface-glass);border:1px solid var(--line-glass);
  padding:7px 14px;border-radius:var(--radius-pill);margin-bottom:20px;
}
.eyebrow i{font-size:12px}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0;transition:background .3s var(--ease),backdrop-filter .3s var(--ease)}
.site-header.is-scrolled{background:rgba(7,10,24,.78);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line-glass)}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
  border:1px solid var(--line-glass);
  border-radius:var(--radius-lg);
  padding:12px 16px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  position:relative;
}
.nav-panel::before{content:"";position:absolute;left:18px;right:18px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(190,215,255,.42),transparent)}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--star-cyan),var(--nebula-violet));
  color:#06121A;font-size:17px;box-shadow:0 8px 22px rgba(95,227,208,.28);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{color:var(--text-hi);font-size:16px;letter-spacing:.4px}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-low);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:var(--radius-pill);
  font-size:13.5px;color:var(--text-mid);
  border:1px solid transparent;background:transparent;
  transition:all .22s var(--ease);white-space:nowrap;
}
.nav-card i{font-size:12.5px;color:var(--text-low);transition:color .22s var(--ease)}
.nav-card:hover{background:var(--surface-glass);border-color:var(--line-glass);color:var(--text-hi);transform:translateY(-2px)}
.nav-card:hover i{color:var(--star-cyan)}
.nav-card.is-active{
  color:var(--text-hi);background:var(--surface-glass-2);
  border-color:rgba(95,227,208,.45);
  box-shadow:0 0 0 1px rgba(95,227,208,.18), 0 10px 26px rgba(95,227,208,.12);
}
.nav-card.is-active i{color:var(--star-cyan)}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--surface-glass);border:1px solid var(--line-glass);
  color:var(--text-hi);font-size:16px;cursor:pointer;align-items:center;justify-content:center;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:rgba(95,227,208,.45);color:var(--star-cyan)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:13px 28px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;letter-spacing:.3px;cursor:pointer;
  border:1px solid transparent;transition:all .22s var(--ease);text-align:center;
}
.btn-sm{min-height:40px;padding:9px 20px;font-size:13.5px}
.btn-primary{
  background:linear-gradient(120deg,var(--star-cyan),var(--nebula-violet));
  color:#06121A;box-shadow:0 12px 30px rgba(95,227,208,.26);
}
.btn-primary:hover{color:#06121A;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 38px rgba(95,227,208,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:var(--surface-glass);border-color:var(--line-glass);color:var(--text-hi);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.btn-ghost:hover{color:var(--text-hi);border-color:rgba(95,227,208,.5);transform:translateY(-2px);background:var(--surface-glass-2)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--star-cyan)}
.text-link i{font-size:12px;transition:transform .22s var(--ease)}
.text-link:hover i{transform:translateX(3px)}

/* ===== 面包屑 ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--text-low);margin-bottom:26px}
.breadcrumb a{color:var(--text-low)}
.breadcrumb a:hover{color:var(--star-cyan)}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .current{color:var(--text-mid)}

/* ===== 分类 Hero ===== */
.cat-hero{position:relative;padding:64px 0 96px;overflow:hidden;border-bottom:1px solid var(--line-glass)}
.cat-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg, rgba(7,10,24,.94) 12%, rgba(7,10,24,.72) 52%, rgba(14,19,41,.88) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero h1{font-size:clamp(2.1rem,4.4vw,3.2rem);line-height:1.2;margin-bottom:20px;max-width:820px}
.cat-hero .lead{font-size:16.5px;color:var(--text-mid);max-width:660px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.stat-pills{display:flex;flex-wrap:wrap;gap:14px}
.stat-pill{
  background:var(--surface-glass);border:1px solid var(--line-glass);border-radius:var(--radius);
  padding:14px 22px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);min-width:150px;
}
.stat-pill strong{display:block;font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--text-hi);line-height:1.2}
.stat-pill span{font-size:13px;color:var(--text-low)}

/* ===== 速览卡 ===== */
.glass-card{
  background:linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
  border:1px solid var(--line-glass);border-radius:var(--radius);
  padding:var(--pad-card);box-shadow:var(--shadow-card);
  position:relative;height:100%;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.glass-card::before{content:"";position:absolute;left:20px;right:20px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(190,215,255,.35),transparent)}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.4);box-shadow:var(--shadow-lift),0 0 0 1px rgba(95,227,208,.35)}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:var(--surface-glass-2);border:1px solid var(--line-glass);
  color:var(--star-cyan);font-size:17px;margin-bottom:18px;
}
.glass-card h3{font-size:1.15rem;margin-bottom:10px}
.glass-card p{font-size:14.5px;color:var(--text-mid);margin:0 0 16px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12px;
  background:var(--surface-glass);border:1px solid var(--line-glass);color:var(--star-cyan);
}
.badge-violet{color:#BFAEFF;border-color:rgba(139,107,255,.35)}
.badge-amber{color:var(--dust-amber);border-color:rgba(255,196,107,.32)}

/* ===== 图文混排 ===== */
.media-row{display:flex;align-items:center;gap:56px}
.media-row+.media-row{margin-top:96px}
.media-row.reverse{flex-direction:row-reverse}
.media-figure{flex:0 0 46%;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-glass);box-shadow:var(--shadow-card);position:relative}
.media-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg, rgba(7,10,24,.15), rgba(7,10,24,.5))}
.media-body{flex:1;min-width:0}
.media-body h3{font-size:clamp(1.25rem,2vw,1.6rem);margin-bottom:16px}
.media-body p{font-size:15px;color:var(--text-mid)}
.check-list{margin-top:20px}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--text-mid);padding:7px 0;border-bottom:1px dashed rgba(160,180,255,.12)}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--star-cyan);font-size:12px;margin-top:7px}

/* ===== 对比卡 ===== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
  background:linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.03));
  border:1px solid var(--line-glass);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-card);position:relative;overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.compare-col:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.4);box-shadow:var(--shadow-lift),0 0 0 1px rgba(95,227,208,.3)}
.compare-col.highlight{border-color:rgba(139,107,255,.4);background:linear-gradient(180deg, rgba(139,107,255,.14), rgba(255,255,255,.03))}
.compare-col header{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px}
.compare-col header h3{font-size:1.25rem}
.compare-rows{display:flex;flex-direction:column;gap:2px}
.compare-row{display:flex;justify-content:space-between;gap:18px;padding:14px 0;border-bottom:1px solid rgba(160,180,255,.1);font-size:14px}
.compare-row:last-child{border-bottom:0}
.compare-row dt{color:var(--text-low);flex-shrink:0}
.compare-row dd{margin:0;color:var(--text-hi);text-align:right;font-weight:500}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  background:var(--surface-glass);border:1px solid var(--line-glass);border-radius:var(--radius);
  padding:26px 22px;position:relative;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(95,227,208,.4);box-shadow:var(--shadow-lift),0 0 0 1px rgba(95,227,208,.3)}
.step-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%, rgba(255,196,107,.9), rgba(255,196,107,.35));
  color:#0A1020;font-family:var(--font-num);font-weight:700;font-size:14px;margin-bottom:16px;
}
.step h3{font-size:1.05rem;margin-bottom:10px}
.step p{font-size:14px;margin:0;color:var(--text-mid)}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.032));
  border:1px solid var(--line-glass);border-radius:var(--radius);overflow:hidden;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.faq-item:hover{border-color:rgba(95,227,208,.35)}
.faq-item.is-open{border-color:rgba(95,227,208,.5);box-shadow:0 0 0 1px rgba(95,227,208,.25),0 14px 34px rgba(95,227,208,.12)}
.faq-q{
  width:100%;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--text-hi);font-size:15.5px;font-weight:600;
}
.faq-q i{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-glass);color:var(--star-cyan);font-size:11px;
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.faq-item.is-open .faq-q i{transform:rotate(135deg);background:var(--surface-glass-2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a-inner{padding:0 24px 22px;font-size:14.5px;line-height:1.8;color:var(--text-mid);border-top:1px solid rgba(160,180,255,.1);padding-top:16px;margin:0 24px 22px;padding-left:0;padding-right:0}

/* ===== CTA 条 ===== */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  background:linear-gradient(120deg, rgba(139,107,255,.20), rgba(95,227,208,.12) 65%, rgba(255,255,255,.05));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:40px 44px;box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;left:34px;right:34px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(190,215,255,.5),transparent)}
.cta-band h2{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:10px}
.cta-band p{margin:0;font-size:14.5px;max-width:560px}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ===== 页脚 ===== */
.site-footer{border-top:1px solid var(--line-glass);padding:72px 0 30px;position:relative;z-index:1;background:linear-gradient(180deg, rgba(14,19,41,.7), rgba(7,10,24,.95))}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(95,227,208,.6),rgba(139,107,255,.5),transparent)}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.5fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand strong{color:var(--text-hi);font-size:16px}
.footer-desc{font-size:13.5px;color:var(--text-low);max-width:320px;line-height:1.9}
.footer-col h4{font-size:14px;margin-bottom:18px;color:var(--text-hi)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:13.5px;color:var(--text-low);line-height:2}
.footer-col ul a:hover{color:var(--star-cyan)}
.footer-sub form{display:flex;gap:10px;flex-wrap:wrap}
.footer-sub input{
  flex:1;min-width:160px;height:42px;padding:0 16px;border-radius:var(--radius-sm);
  background:var(--surface-glass);border:1px solid var(--line-glass);color:var(--text-hi);
  font-size:13.5px;box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.footer-sub input::placeholder{color:var(--text-low)}
.footer-sub input:focus{outline:none;border-color:var(--star-cyan);box-shadow:0 0 0 2px rgba(95,227,208,.28)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(160,180,255,.1);
  font-size:13px;color:var(--text-low);
}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--surface-glass);border:1px solid var(--line-glass);color:var(--text-mid);font-size:13px;
  transition:all .22s var(--ease);
}
.footer-social a:hover{color:var(--star-cyan);border-color:rgba(95,227,208,.5);transform:translateY(-2px)}

/* ===== 响应式 ===== */
@media (max-width:63.94em){
  .nav-panel{flex-wrap:wrap}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-cta{display:none}
  .nav-links{
    display:none;width:100%;margin-left:0;flex-direction:column;align-items:stretch;gap:8px;
    margin-top:14px;padding-top:14px;border-top:1px solid var(--line-glass);
  }
  .nav-panel.is-open .nav-links{display:flex}
  .nav-card{justify-content:flex-start;padding:13px 16px;border-radius:14px;background:var(--surface-glass);border-color:var(--line-glass)}
  .media-row,.media-row.reverse{flex-direction:column;gap:28px}
  .media-row+.media-row{margin-top:64px}
  .media-figure{flex:1 1 auto;width:100%}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:72px 0}
}
@media (max-width:40em){
  .container{padding:0 16px}
  .brand-text em{display:none}
  .cat-hero{padding:44px 0 64px}
  .hero-actions .btn{width:100%}
  .stat-pill{flex:1 1 100%}
  .compare-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .cta-band{padding:30px 22px}
  .cta-band-actions .btn{width:100%}
  .section{padding:56px 0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .compare-row{flex-direction:column;gap:4px}
  .compare-row dd{text-align:left}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}