/* roulang page: index */
:root{
  --bg:#0A0B0F;
  --panel:#14161D;
  --card:#1B1E27;
  --header:#0E1015;
  --line:rgba(255,255,255,.07);
  --text:#C9CFDA;
  --title:#F2F5F9;
  --muted:#8A93A3;
  --neon:#2EE6C5;
  --neon-soft:rgba(46,230,197,.12);
  --neon-glow:rgba(46,230,197,.55);
  --magenta:#FF3D8B;
  --amber:#FFC24B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --shadow:0 8px 24px rgba(0,0,0,.45);
  --shadow-hover:0 14px 36px rgba(0,0,0,.6);
  --sec-y:88px;
  --edge:1px solid var(--line);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.9;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
button,input,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--title);line-height:1.35;font-weight:700;}
h1{font-size:40px;font-weight:800;letter-spacing:-.5px;}
h2{font-size:28px;font-weight:700;}
h3{font-size:21px;font-weight:600;}
::selection{background:var(--neon);color:#05130F;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1240px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
.sec{padding:var(--sec-y) 0;}
.sec-tight{padding:64px 0;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
.sec-head h2{position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--neon);box-shadow:0 0 14px var(--neon-glow);}
.sec-sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px;}
.link-more{color:var(--neon);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more i{transition:transform .22s ease;}
.link-more:hover{color:#7ff5e0;}
.link-more:hover i{transform:translateX(4px);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(14,16,21,.94);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,var(--neon),rgba(46,230,197,0) 62%);opacity:.35;transition:opacity .3s ease;}
.site-header.is-scrolled{background:rgba(10,11,15,.98);box-shadow:0 10px 30px rgba(0,0,0,.55);}
.site-header.is-scrolled::after{opacity:1;}
.nav-wrap{display:flex;align-items:center;gap:26px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--neon),#0f7f6d);color:#04120F;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 1px rgba(46,230,197,.45),0 6px 18px rgba(46,230,197,.18);}
.brand-text{color:var(--title);font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:10px;}
.nav-menu a{position:relative;display:block;padding:10px 14px;font-size:15px;color:var(--text);border-radius:8px;}
.nav-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--neon);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-menu a:hover{color:var(--title);background:rgba(255,255,255,.04);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--neon);text-shadow:0 0 12px var(--neon-glow);}
.nav-menu a.active::after{transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:transparent;border:1px solid var(--line);color:var(--title);align-items:center;justify-content:center;}
.nav-toggle:hover{border-color:rgba(46,230,197,.5);color:var(--neon);}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:var(--header);}
.mobile-drawer.open{display:block;}
.mobile-drawer ul{padding:8px 20px 20px;}
.mobile-drawer li + li{border-top:1px solid var(--line);}
.mobile-drawer a{display:flex;align-items:center;justify-content:space-between;padding:16px 2px;font-size:17px;color:var(--title);}
.mobile-drawer a.active{color:var(--neon);}
.mobile-drawer a i{color:var(--muted);font-size:13px;}

/* ---------- buttons ---------- */
.btn-neon,.btn-line,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;line-height:1.4;cursor:pointer;transition:transform .22s ease,background .22s ease,box-shadow .22s ease,filter .22s ease,color .22s ease;}
.btn-neon{padding:12px 26px;border-radius:var(--r-btn);background:var(--neon);color:#05130F;border:1px solid var(--neon);box-shadow:0 8px 20px rgba(46,230,197,.16);}
.btn-neon:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 30px rgba(46,230,197,.24);color:#05130F;}
.btn-neon:active{transform:translateY(0);}
.btn-line{padding:12px 26px;border-radius:var(--r-btn);background:transparent;color:var(--neon);border:1px solid var(--neon);}
.btn-line:hover{background:var(--neon-soft);transform:translateY(-2px);color:var(--neon);}
.btn-ghost{padding:8px 0;background:none;border:none;color:var(--title);text-decoration:underline;text-underline-offset:6px;text-decoration-color:rgba(255,255,255,.25);}
.btn-ghost:hover{color:var(--neon);text-decoration-color:var(--neon);}
.btn-sm{padding:9px 20px;font-size:14px;}

/* ---------- hero ---------- */
.hero{position:relative;padding:74px 0 84px;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(620px 320px at 12% 8%,rgba(46,230,197,.13),transparent 70%),
  radial-gradient(560px 320px at 88% 4%,rgba(255,61,139,.10),transparent 72%);
  pointer-events:none;}
.hero .container{position:relative;z-index:1;}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{color:var(--neon);text-shadow:0 0 18px rgba(46,230,197,.35);}
.hero-sub{font-size:17px;color:var(--text);max-width:560px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-metrics{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted);}
.hero-metrics span{display:inline-flex;align-items:center;gap:6px;}
.hero-metrics i{color:var(--neon);font-size:12px;}
.hero-metrics .divider{width:1px;height:12px;background:var(--line);display:inline-block;}
.hero-visual{position:relative;width:100%;max-width:352px;margin-left:auto;aspect-ratio:9/16;border-radius:var(--r-card);overflow:hidden;border:var(--edge);box-shadow:var(--shadow);}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,15,.82) 0%,rgba(10,11,15,.05) 42%,rgba(10,11,15,.72) 100%);}
.hero-badge{position:absolute;top:16px;left:16px;z-index:2;padding:6px 12px;border-radius:999px;background:rgba(10,11,15,.7);border:1px solid rgba(46,230,197,.45);color:var(--neon);font-size:12px;font-weight:600;}
.hero-play{position:absolute;right:16px;bottom:16px;z-index:2;width:54px;height:54px;border-radius:50%;background:var(--neon);color:#05130F;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 0 0 8px rgba(46,230,197,.14);}
.hero-note{position:absolute;left:16px;bottom:22px;z-index:2;font-size:12px;color:var(--title);opacity:.85;}

/* ---------- snap row ---------- */
.snap-row{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;scrollbar-width:thin;}
.snap-row::-webkit-scrollbar{height:6px;}
.snap-row::-webkit-scrollbar-thumb{background:rgba(46,230,197,.35);border-radius:999px;}
.snap-card{flex:0 0 262px;scroll-snap-align:start;background:var(--card);border:var(--edge);border-radius:var(--r-card);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.snap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(46,230,197,.35);}
.snap-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;}
.snap-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.snap-card:hover .snap-thumb img{transform:scale(1.05);}
.snap-tag{position:absolute;top:12px;right:12px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(10,11,15,.72);border:1px solid rgba(255,61,139,.5);color:#FF8FBC;}
.snap-time{position:absolute;left:12px;bottom:12px;padding:4px 10px;border-radius:8px;font-size:12px;font-weight:600;background:rgba(10,11,15,.78);color:var(--amber);border:1px solid rgba(255,194,75,.35);}
.snap-body{padding:16px 18px 18px;}
.snap-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:52px;}
.snap-meta{margin-top:10px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.snap-meta i{color:var(--neon);font-size:12px;}

/* ---------- pick list ---------- */
.pick-list{border-top:var(--edge);}
.pick-item{display:flex;align-items:center;gap:22px;padding:22px 18px;border-bottom:var(--edge);transition:background .25s ease;}
.pick-item:hover{background:var(--card);}
.pick-num{font-size:28px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px var(--neon);min-width:56px;letter-spacing:.5px;}
.pick-main{flex:1 1 auto;min-width:0;}
.pick-main h3{font-size:19px;margin-bottom:4px;}
.pick-main p{font-size:14px;color:var(--muted);line-height:1.75;}
.pick-arrow{color:var(--muted);transition:transform .25s ease,color .25s ease;}
.pick-item:hover .pick-arrow{transform:translateX(4px);color:var(--neon);}

/* ---------- news grid ---------- */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;}
.news-card{background:var(--card);border:var(--edge);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(46,230,197,.32);}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--panel);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.tag{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;background:var(--neon-soft);color:var(--neon);border:1px solid rgba(46,230,197,.3);}
.news-title{font-size:18px;line-height:1.5;}
.news-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--neon);}
.news-desc{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.news-meta i{font-size:12px;color:var(--neon);}
.empty-state{grid-column:1/-1;text-align:center;padding:56px 24px;background:var(--panel);border:1px dashed rgba(255,255,255,.12);border-radius:var(--r-card);}
.empty-state i{font-size:30px;color:var(--neon);opacity:.8;}
.empty-state p{margin:14px 0 18px;color:var(--muted);font-size:15px;}

/* ---------- reviews ---------- */
.review-row{display:flex;gap:16px;overflow-x:auto;padding:4px 4px 16px;scrollbar-width:thin;}
.review-row::-webkit-scrollbar{height:6px;}
.review-row::-webkit-scrollbar-thumb{background:rgba(46,230,197,.3);border-radius:999px;}
.review-card{flex:0 0 296px;background:var(--panel);border:var(--edge);border-radius:14px;padding:16px 18px;display:flex;gap:14px;align-items:flex-start;transition:border-color .25s ease,transform .25s ease;}
.review-card:hover{border-color:rgba(46,230,197,.35);transform:translateY(-3px);}
.avatar{width:42px;height:42px;border-radius:50%;flex:0 0 42px;display:flex;align-items:center;justify-content:center;background:linear-gradient(140deg,rgba(46,230,197,.22),rgba(255,61,139,.18));color:var(--title);font-weight:700;font-size:15px;border:1px solid var(--line);}
.review-main{min-width:0;}
.review-name{font-size:13px;color:var(--muted);}
.review-text{font-size:14px;color:var(--text);line-height:1.7;margin:2px 0 4px;}
.stars{color:var(--amber);font-size:12px;letter-spacing:2px;}

/* ---------- cta band ---------- */
.cta-band{position:relative;border-radius:22px;overflow:hidden;border:var(--edge);background:var(--panel);padding:56px 40px;text-align:center;}
.cta-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22;}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,11,15,.92),rgba(10,11,15,.72));}
.cta-inner{position:relative;z-index:2;max-width:640px;margin:0 auto;}
.cta-inner h2{margin-bottom:14px;}
.cta-inner p{color:var(--text);font-size:15px;margin-bottom:26px;}

/* ---------- faq ---------- */
.accordion{--bs-accordion-bg:transparent;--bs-accordion-color:var(--text);--bs-accordion-border-color:transparent;--bs-accordion-border-width:0;--bs-accordion-btn-color:var(--title);--bs-accordion-btn-bg:transparent;--bs-accordion-active-color:var(--neon);--bs-accordion-active-bg:rgba(46,230,197,.05);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-btn-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%232EE6C5' stroke-width='2' stroke-linecap='round' d='M2 6l6 6 6-6'/%3E%3C/svg%3E");--bs-accordion-btn-active-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%232EE6C5' stroke-width='2' stroke-linecap='round' d='M2 10l6-6 6 6'/%3E%3C/svg%3E");--bs-accordion-btn-icon-width:1rem;--bs-accordion-border-radius:14px;}
.accordion-item{position:relative;background:var(--panel);border:var(--edge)!important;border-radius:14px;margin-bottom:12px;overflow:hidden;}
.accordion-button{font-size:17px;font-weight:600;padding:20px 22px;line-height:1.6;}
.accordion-button:hover{background:rgba(255,255,255,.03);}
.accordion-button:not(.collapsed){box-shadow:none;background:rgba(46,230,197,.05);color:var(--neon);}
.accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--neon);box-shadow:0 0 12px var(--neon-glow);}
.accordion-button::after{transition:transform .25s ease;}
.accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.85;color:var(--text);}

/* ---------- footer ---------- */
.site-footer{background:var(--header);border-top:var(--edge);padding:64px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand p{font-size:14px;color:var(--muted);margin-top:14px;max-width:320px;line-height:1.85;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--title);}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--neon);}
.footer-bottom{border-top:var(--edge);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--neon);}

/* ---------- sticky bar ---------- */
.sticky-bar{display:none;position:fixed;left:0;right:0;bottom:0;height:56px;z-index:1040;background:rgba(14,16,21,.97);border-top:1px solid rgba(46,230,197,.25);align-items:center;gap:14px;padding:0 16px;}
.sticky-bar span{font-size:13px;color:var(--muted);flex:1 1 auto;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.sticky-bar .btn-neon{padding:9px 18px;font-size:14px;}

@media (max-width:1199.98px){
  h1{font-size:36px;}
}
@media (max-width:991.98px){
  :root{--sec-y:60px;}
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-neon{display:none;}
  .hero{padding:44px 0 56px;}
  .hero-visual{max-width:100%;aspect-ratio:4/5;margin:34px auto 0;}
  h1{font-size:30px;letter-spacing:-.2px;}
  h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .sticky-bar{display:flex;}
  body{padding-bottom:56px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  :root{--sec-y:50px;}
  h1{font-size:26px;}
  h2{font-size:22px;}
  .snap-card{flex:0 0 76%;}
  .review-card{flex:0 0 84%;}
  .pick-item{gap:14px;padding:18px 12px;}
  .pick-num{font-size:22px;min-width:44px;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-cta .btn-neon,.hero-cta .btn-line{width:100%;}
}

/* roulang page: article */
:root{
  --neon:#2EE6C5;
  --neon-soft:rgba(46,230,197,.12);
  --magenta:#FF3D8B;
  --amber:#FFC24B;
  --bg:#0A0B0F;
  --panel:#14161D;
  --card:#1B1E27;
  --line:rgba(255,255,255,.07);
  --text:#C9CFDA;
  --title:#F2F5F9;
  --muted:#8A93A3;
  --radius-card:16px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(0,0,0,.45);
  --shadow-hover:0 14px 36px rgba(0,0,0,.6);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.1px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--neon);}
h1,h2,h3,h4{color:var(--title);margin:0;line-height:1.32;font-weight:700;}
p{margin:0 0 1em;}
ul{list-style:none;margin:0;padding:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px;}

.container,.container-lg,.container-md,.container-sm,.container-xl{
  max-width:1240px;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:#0E1015;
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:#0B0D12;
  box-shadow:0 10px 30px rgba(0,0,0,.55);
  border-bottom-color:transparent;
  background-image:linear-gradient(90deg,rgba(46,230,197,.55),rgba(46,230,197,0));
  background-repeat:no-repeat;
  background-size:100% 1px;
  background-position:bottom left;
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(46,230,197,.22),rgba(255,61,139,.18));
  border:1px solid rgba(46,230,197,.45);
  color:var(--neon);font-weight:800;font-size:19px;
  text-shadow:0 0 14px rgba(46,230,197,.55);
}
.brand-text{color:var(--title);font-weight:800;font-size:18px;letter-spacing:.3px;white-space:nowrap;}
.nav-collapse{margin-left:auto;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;display:block;
  padding:8px 14px;border-radius:10px;
  font-size:15px;color:var(--text);white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--neon);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-menu a:hover{color:var(--title);background:rgba(255,255,255,.04);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--neon);text-shadow:0 0 12px rgba(46,230,197,.55);}
.nav-menu a.active::after{transform:scaleX(1);}
.header-cta{margin-left:12px;flex-shrink:0;}
.nav-toggle{
  margin-left:auto;width:44px;height:40px;border-radius:12px;
  background:transparent;border:1px solid var(--line);
  display:none;flex-direction:column;justify-content:center;gap:5px;padding:0 11px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--neon);}

/* ============ buttons ============ */
.btn-neon,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);
  font-weight:700;font-size:15px;line-height:1;
  padding:13px 26px;cursor:pointer;border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-neon{background:var(--neon);color:#04140F;box-shadow:0 8px 22px rgba(46,230,197,.22);}
.btn-neon:hover{color:#04140F;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 28px rgba(46,230,197,.3);}
.btn-line{background:transparent;border-color:rgba(46,230,197,.6);color:var(--neon);}
.btn-line:hover{background:var(--neon-soft);color:var(--neon);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--text);padding:8px 2px;}
.btn-ghost:hover{color:var(--neon);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  border-bottom:1px solid var(--line);
  background:var(--panel);
}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted);}
.breadcrumb-list li{display:flex;align-items:center;gap:8px;min-width:0;}
.breadcrumb-list li::after{content:"/";color:rgba(255,255,255,.18);}
.breadcrumb-list li:last-child::after{display:none;}
.breadcrumb-list a{color:var(--muted);}
.breadcrumb-list a:hover{color:var(--neon);}
.breadcrumb-list .current{color:var(--text);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.article-head{
  position:relative;
  padding:64px 0 56px;
  background:
    linear-gradient(180deg,rgba(10,11,15,.72) 0%,rgba(10,11,15,.94) 62%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-head::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,rgba(46,230,197,.7),rgba(255,61,139,.35),transparent);
}
.article-head-inner{max-width:860px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.4px;
  background:rgba(46,230,197,.1);color:var(--neon);
  border:1px solid rgba(46,230,197,.35);
}
.tag.magenta{background:rgba(255,61,139,.1);color:var(--magenta);border-color:rgba(255,61,139,.35);}
.tag.amber{background:rgba(255,194,75,.1);color:var(--amber);border-color:rgba(255,194,75,.35);}
.article-head h1{
  font-size:44px;font-weight:800;letter-spacing:-.5px;line-height:1.28;margin-bottom:22px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--muted);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2);display:inline-block;}
.meta-strong{color:var(--text);}

/* ============ 正文 ============ */
.article-main{padding:64px 0 24px;}
.article-shell{max-width:820px;margin:0 auto;}
.article-body{font-size:16px;line-height:1.9;color:var(--text);word-break:break-word;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:27px;font-weight:700;margin:46px 0 18px;padding-left:14px;
  border-left:3px solid var(--neon);line-height:1.35;
}
.article-body h3{font-size:20px;font-weight:600;margin:32px 0 14px;color:var(--title);}
.article-body h4{font-size:17px;font-weight:600;margin:26px 0 12px;color:var(--title);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.6em;}
.article-body li::marker{color:var(--neon);}
.article-body a{color:var(--neon);border-bottom:1px solid rgba(46,230,197,.3);}
.article-body a:hover{border-bottom-color:var(--neon);}
.article-body img{border-radius:var(--radius-img);margin:22px 0;box-shadow:var(--shadow);width:100%;height:auto;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--panel);border-left:3px solid var(--magenta);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:#D8DDE6;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body code{
  background:var(--card);padding:2px 7px;border-radius:6px;font-size:14px;color:var(--neon);
}
.article-body pre{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-img);
  padding:18px;overflow-x:auto;margin:22px 0;
}
.article-body pre code{background:none;padding:0;color:var(--text);}
.article-body hr{border:none;height:1px;background:var(--line);margin:36px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--panel);color:var(--title);font-weight:600;}

.empty-state{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow);
}
.empty-icon{
  width:64px;height:64px;border-radius:20px;margin:0 auto 20px;
  display:grid;place-items:center;font-size:26px;color:var(--neon);
  background:rgba(46,230,197,.08);border:1px solid rgba(46,230,197,.3);
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:14px;margin-bottom:22px;}

/* ============ 文末 ============ */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.foot-tags{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:22px;}
.foot-tags .label{font-size:13px;color:var(--muted);margin-right:4px;}
.chip{
  padding:5px 14px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;
  background:var(--card);border:1px solid var(--line);color:var(--text);
}
.chip:hover{border-color:rgba(46,230,197,.35);color:var(--neon);}
.back-row{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 相关推荐 ============ */
.related{padding:72px 0 8px;}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-title h2{font-size:28px;font-weight:700;letter-spacing:-.3px;}
.section-title .sub{font-size:14px;color:var(--muted);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rec-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(46,230,197,.35);}
.rec-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.06);}
.rec-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,15,0) 45%,rgba(10,11,15,.85) 100%);}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.rec-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;flex:1;}
.rec-link{font-size:13px;font-weight:600;color:var(--neon);}
.rec-link::after{content:" →";transition:margin .2s ease;}
.rec-card:hover .rec-link::after{margin-left:4px;}

/* ============ CTA ============ */
.cta-band{padding:72px 0;}
.cta-panel{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#151821 0%,#10131A 60%,#16121A 100%);
  border:1px solid var(--line);border-radius:22px;
  padding:54px 44px;box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-panel::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--neon),rgba(255,61,139,.6),transparent);
}
.cta-panel h2{font-size:28px;margin-bottom:12px;}
.cta-panel p{color:var(--muted);font-size:15px;margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{background:#0E1015;border-top:1px solid var(--line);padding:64px 0 0;margin-top:16px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:330px;}
.footer-col h4{font-size:15px;color:var(--title);margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:11px;font-size:14px;color:var(--muted);}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:var(--neon);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--neon);}

/* ============ 移动端粘性条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;
  display:none;align-items:center;gap:12px;
  height:56px;padding:0 16px;
  background:rgba(14,16,21,.96);
  border-top:1px solid rgba(46,230,197,.25);
  backdrop-filter:blur(8px);
}
.mobile-bar span{font-size:13px;color:var(--muted);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.mobile-bar .btn-neon{padding:10px 18px;font-size:14px;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-head h1{font-size:38px;}
  .card-grid{gap:18px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:flex;}
  .nav-collapse{display:none;width:100%;margin:0 0 14px;}
  .nav-collapse.show{display:block;}
  .nav-menu{flex-direction:column;align-items:stretch;gap:2px;padding:10px 0 4px;}
  .nav-menu a{padding:13px 12px;font-size:16px;border-radius:12px;border-bottom:1px solid var(--line);}
  .nav-menu a::after{display:none;}
  .nav-menu a.active{background:rgba(46,230,197,.07);}
  .header-inner{flex-wrap:wrap;padding-top:8px;padding-bottom:8px;gap:10px;}
  .header-cta{display:none;}
  .article-head{padding:48px 0 44px;}
  .article-head h1{font-size:32px;}
  .article-main{padding:48px 0 16px;}
  .section-title h2{font-size:24px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-panel{padding:40px 28px;}
  .cta-panel h2{font-size:24px;}
}
@media (max-width:575.98px){
  body{padding-bottom:56px;}
  .container,.container-lg,.container-md,.container-sm,.container-xl{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:16px;}
  .article-head h1{font-size:26px;letter-spacing:0;}
  .article-head{padding:36px 0 34px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-brand{grid-column:1/-1;}
  .cta-panel{padding:32px 22px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-neon,.cta-actions .btn-line{width:100%;}
  .mobile-bar{display:flex;}
  .breadcrumb-list .current{max-width:200px;}
}

/* roulang page: category1 */
:root{
  --bg:#0A0B0F;
  --panel:#14161D;
  --card:#1B1E27;
  --line:rgba(255,255,255,.07);
  --text:#C9CFDA;
  --title:#F2F5F9;
  --muted:#8A93A3;
  --mint:#2EE6C5;
  --magenta:#FF3D8B;
  --amber:#FFC24B;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(0,0,0,.45);
  --sh-lg:0 14px 36px rgba(0,0,0,.6);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  padding-bottom:56px;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--mint)}
h1,h2,h3,h4{color:var(--title);margin:0;font-weight:700;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:#0E1015;
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,var(--mint),rgba(46,230,197,0));
  opacity:0;transition:opacity .25s ease;
}
.site-header.is-scrolled{background:rgba(10,11,15,.94);box-shadow:0 10px 30px rgba(0,0,0,.5)}
.site-header.is-scrolled::after{opacity:.75}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(46,230,197,.12);border:1px solid rgba(46,230,197,.45);
  color:var(--mint);font-weight:800;font-size:16px;
}
.brand-text{font-size:18px;font-weight:700;color:var(--title);letter-spacing:.2px}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:40px;padding:0 10px;background:var(--card);
  border:1px solid var(--line);border-radius:12px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--text);border-radius:2px;transition:background .2s}
.nav-toggle:hover span{background:var(--mint)}
.nav-menu{display:flex;align-items:center;gap:26px}
.nav-menu a{
  position:relative;font-size:15px;color:#A9B1BF;padding:8px 0;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--mint);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-menu a:hover{color:var(--title)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--mint);text-shadow:0 0 12px rgba(46,230,197,.55)}
.nav-menu a.active::after{transform:scaleX(1)}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 22px;border-radius:var(--r-pill);background:var(--mint);
  color:#06231E;font-size:14px;font-weight:700;white-space:nowrap;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.header-cta:hover{color:#06231E;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 10px 24px rgba(46,230,197,.24)}

@media (max-width:991.98px){
  #mainNav{
    position:absolute;top:76px;left:20px;right:20px;background:var(--panel);
    border:1px solid var(--line);border-radius:var(--r-card);padding:10px 18px 18px;
    box-shadow:var(--sh-lg);z-index:1050;
  }
  .nav-menu{flex-direction:column;align-items:stretch;gap:0}
  .nav-menu a{padding:15px 2px;border-bottom:1px solid var(--line);font-size:16px}
  .nav-menu a::after{display:none}
  .nav-menu a:last-child{border-bottom:0}
  .header-cta{width:100%;margin-top:14px;padding:13px 22px}
}
@media (min-width:992px){
  #mainNav.collapse{display:flex !important;align-items:center;flex:1;justify-content:flex-end;gap:26px;height:auto !important;visibility:visible !important;}
  .nav-toggle{display:none}
}

/* ============ 按钮 ============ */
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:var(--r-pill);background:var(--mint);
  color:#06231E;font-size:15px;font-weight:700;border:1px solid var(--mint);
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.btn-neon:hover{color:#06231E;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 12px 28px rgba(46,230,197,.26)}
.btn-neon:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:var(--r-pill);background:transparent;
  color:var(--mint);font-size:15px;font-weight:600;border:1px solid rgba(46,230,197,.6);
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-ghost:hover{color:var(--mint);background:rgba(46,230,197,.12);transform:translateY(-2px);border-color:var(--mint)}
.btn-ghost:active{transform:translateY(0)}

/* ============ 标签 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.2px;color:var(--mint);
  background:rgba(46,230,197,.08);border:1px solid rgba(46,230,197,.35);
  border-radius:var(--r-pill);padding:6px 15px;line-height:1.6;
}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 76px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(60% 50% at 12% 0%,rgba(46,230,197,.10),transparent 70%),
    radial-gradient(45% 40% at 92% 8%,rgba(255,61,139,.08),transparent 70%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:360px 1fr;gap:56px;align-items:center}
.hero-visual{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:9/16;box-shadow:var(--sh);border:1px solid var(--line);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;left:0;right:0;top:0;height:42%;
  background:linear-gradient(180deg,rgba(10,11,15,.72),rgba(10,11,15,0));
  pointer-events:none;
}
.hero-play{
  position:absolute;right:16px;bottom:16px;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;background:rgba(10,11,15,.62);color:var(--mint);
  border:1px solid rgba(46,230,197,.6);backdrop-filter:blur(6px);font-size:14px;padding-left:3px;
}
.hero-copy h1{font-size:42px;font-weight:800;letter-spacing:-.5px;margin:18px 0 14px}
.hero-sub{font-size:17px;color:var(--muted);margin-bottom:28px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-metrics{display:flex;flex-wrap:wrap;margin:30px 0 0;padding:20px 0 0;border-top:1px solid var(--line)}
.hero-metrics li{
  display:flex;align-items:baseline;gap:6px;padding:0 22px;font-size:13px;color:var(--muted);
  border-left:1px solid var(--line);
}
.hero-metrics li:first-child{padding-left:0;border-left:0}
.hero-metrics strong{color:var(--mint);font-size:17px;font-weight:700}
@media (max-width:991.98px){
  .hero{padding:44px 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:2;max-width:420px;aspect-ratio:4/5;margin:0 auto;width:100%}
  .hero-copy{order:1}
  .hero-copy h1{font-size:30px}
}
@media (max-width:575.98px){
  .hero-copy h1{font-size:26px}
  .hero-metrics li{padding:0 14px;font-size:12px}
  .hero-cta .btn-neon,.hero-cta .btn-ghost{width:100%}
}

/* ============ 区块 ============ */
.section{padding:76px 0}
.section--tight{padding:56px 0}
.section-head{max-width:780px;margin-bottom:38px}
.section-head h2{font-size:28px;letter-spacing:-.3px;margin:14px 0 12px}
.section-head p{font-size:15px;color:var(--muted)}
@media (max-width:767.98px){
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:23px}
}

/* ============ 入口竖卡栅格 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.entry-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{
  transform:translateY(-4px);border-color:rgba(46,230,197,.35);
  box-shadow:var(--sh-lg),0 0 0 1px rgba(46,230,197,.3);
}
.entry-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#101219}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.05)}
.tag{
  position:absolute;top:12px;left:12px;font-size:12px;font-weight:600;line-height:1.5;
  padding:4px 11px;border-radius:var(--r-pill);color:var(--mint);
  background:rgba(10,11,15,.74);border:1px solid rgba(46,230,197,.4);backdrop-filter:blur(6px);
}
.tag--magenta{color:var(--magenta);border-color:rgba(255,61,139,.45)}
.tag--amber{color:var(--amber);border-color:rgba(255,194,75,.45)}
.entry-body{display:flex;flex-direction:column;gap:8px;padding:20px;flex:1}
.entry-body h3{font-size:18px;font-weight:600}
.entry-body p{font-size:14px;line-height:1.75;color:var(--muted)}
.entry-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:12px;
  font-size:14px;font-weight:600;color:var(--mint);
}
.entry-link svg{transition:transform .22s ease}
.entry-card:hover .entry-link svg{transform:translateX(4px)}
@media (max-width:991.98px){.entry-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.entry-grid{grid-template-columns:1fr;gap:18px}}

/* ============ 说明文字 ============ */
.notes{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.note-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sh);
}
.note-card h3{font-size:20px;margin-bottom:14px;padding-left:14px;position:relative}
.note-card h3::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  border-radius:3px;background:var(--mint);
}
.note-card p{font-size:15px;line-height:1.95;color:var(--text)}
.note-card p + p{margin-top:14px}
.note-card .highlight{color:var(--mint);font-weight:600}
@media (max-width:767.98px){.notes{grid-template-columns:1fr}}

/* ============ 编号清单 ============ */
.checklist{display:grid;gap:12px}
.check-item{
  display:flex;align-items:center;gap:22px;padding:20px 24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  transition:background .22s ease,transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.check-item:hover{
  background:#20242F;border-color:rgba(46,230,197,.32);
  transform:translateX(4px);box-shadow:var(--sh);
}
.check-num{
  font-size:28px;font-weight:800;letter-spacing:1px;min-width:58px;
  color:transparent;-webkit-text-stroke:1px rgba(46,230,197,.8);
}
.check-body h3{font-size:17px;font-weight:600;margin-bottom:4px}
.check-body p{font-size:14px;line-height:1.75;color:var(--muted)}
@media (max-width:575.98px){
  .check-item{gap:14px;padding:16px 18px;align-items:flex-start}
  .check-num{min-width:44px;font-size:23px}
}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card) !important;margin-bottom:14px;overflow:hidden;
}
.faq-accordion .accordion-header{margin:0}
.faq-accordion .accordion-button{
  background:transparent;color:var(--title);font-size:17px;font-weight:600;
  padding:20px 22px;box-shadow:none;border-radius:var(--r-card) !important;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--mint);background:rgba(46,230,197,.05);
  box-shadow:inset 3px 0 0 var(--mint);
}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid rgba(46,230,197,.5);outline-offset:-3px}
.faq-accordion .accordion-button::after{
  content:"";width:10px;height:10px;margin-left:auto;flex-shrink:0;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  background-image:none;transform:rotate(45deg);transition:transform .25s ease,border-color .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);border-color:var(--mint);
}
.faq-accordion .accordion-body{
  padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text);
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;
  gap:32px;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-card);padding:44px 40px;box-shadow:var(--sh);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(46,230,197,.16),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--muted);max-width:600px}
.cta-band .btn-neon{position:relative;flex-shrink:0}
@media (max-width:767.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;gap:22px}
  .cta-band h2{font-size:22px}
  .cta-band .btn-neon{width:100%}
}

/* ============ 粘性底条 ============ */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;height:56px;z-index:1040;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:rgba(14,16,21,.96);
  border-top:1px solid rgba(46,230,197,.3);backdrop-filter:blur(10px);
}
.sticky-bar span{font-size:13px;color:var(--muted)}
.sticky-bar a{
  padding:9px 20px;border-radius:var(--r-pill);background:var(--mint);
  color:#06231E;font-size:14px;font-weight:700;
}
.sticky-bar a:hover{color:#06231E;filter:brightness(1.08)}
@media (min-width:992px){.sticky-bar{display:none}body{padding-bottom:0}}

/* ============ 页脚 ============ */
.site-footer{background:#0E1015;border-top:1px solid var(--line);padding:64px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted);max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--title)}
.footer-col ul li{margin-bottom:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0 26px;font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--mint)}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media (max-width:575.98px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0B0F;
  --panel:#14161D;
  --card:#1B1E27;
  --line:rgba(255,255,255,.07);
  --mint:#2EE6C5;
  --pink:#FF3D8B;
  --amber:#FFC24B;
  --text:#C9CFDA;
  --head:#F2F5F9;
  --muted:#8A93A3;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(0,0,0,.45);
  --shadow-lg:0 14px 36px rgba(0,0,0,.6);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
a:hover{color:var(--mint)}
h1,h2,h3,h4{margin:0;color:var(--head);font-weight:700;line-height:1.35;letter-spacing:-.2px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(46,230,197,.28);color:#fff}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
.container{
  width:100%;
  max-width:1240px !important;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.section{padding:82px 0}
.section-alt{background:linear-gradient(180deg,rgba(20,22,29,.65),rgba(10,11,15,0))}
.section-head{margin-bottom:38px;max-width:760px}
.section-head h2{font-size:clamp(22px,2.4vw,29px);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15px;line-height:1.85;margin:0}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:999px;
  background:rgba(46,230,197,.1);
  border:1px solid rgba(46,230,197,.28);
  color:var(--mint);
  font-size:12px;
  font-weight:600;
  letter-spacing:.6px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 10px rgba(46,230,197,.9);
}

/* 按钮 */
.btn-neon,.btn-ghost,.btn-quiet{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .25s var(--ease);
  white-space:nowrap;
}
.btn-neon{background:var(--mint);color:#06120F}
.btn-neon:hover{background:#57EED4;color:#06120F;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-neon:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(46,230,197,.55);color:var(--mint)}
.btn-ghost:hover{background:rgba(46,230,197,.12);color:var(--mint);border-color:var(--mint)}
.btn-quiet{padding:6px 0;background:none;border:none;color:var(--mint);font-weight:600}
.btn-quiet:hover{color:#7DF6E2}
.btn-sm{padding:9px 18px;font-size:14px}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#0E1015;
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,11,15,.94);
  backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
  border-bottom-color:transparent;
}
.site-header.is-scrolled::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,var(--mint),rgba(46,230,197,0));
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(46,230,197,.9),rgba(255,61,139,.75));
  color:#06120F;
  font-weight:800;
  font-size:17px;
  letter-spacing:0;
}
.brand-text{color:var(--head);font-weight:800;font-size:16px;letter-spacing:-.2px}
.brand:hover .brand-text{color:var(--mint)}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:22px;margin-right:auto}
.nav-menu a{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--text);
}
.nav-menu a:hover{color:var(--mint);background:rgba(255,255,255,.045)}
.nav-menu a.active{
  color:var(--mint);
  text-shadow:0 0 12px rgba(46,230,197,.55);
}
.nav-menu a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--mint);
}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--head);
  font-size:18px;
  line-height:1;
  cursor:pointer;
  transition:all .25s var(--ease);
}
.nav-toggle:hover{border-color:rgba(46,230,197,.5);color:var(--mint)}
.nav-toggle.is-active{background:rgba(46,230,197,.12);color:var(--mint);border-color:rgba(46,230,197,.5)}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#0E1015;
  padding:8px 20px 20px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;
  padding:15px 4px;
  font-size:16px;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a:last-child{border-bottom:none}
.mobile-drawer a.active{color:var(--mint);font-weight:700}

/* Hero */
.page-hero{
  position:relative;
  padding:74px 0 66px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,11,15,.9) 0%,rgba(10,11,15,.95) 58%,var(--bg) 100%);
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:52px;align-items:center}
.hero-copy h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:14px;
}
.hero-sub{color:var(--head);font-size:18px;font-weight:600;margin-bottom:14px}
.hero-desc{color:var(--muted);font-size:15.5px;line-height:1.9;max-width:560px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:0;align-items:center}
.hero-metrics li{font-size:13px;color:var(--muted);padding:0 20px}
.hero-metrics li:first-child{padding-left:0}
.hero-metrics li + li{border-left:1px solid var(--line)}
.hero-metrics strong{display:block;color:var(--head);font-size:19px;font-weight:800;line-height:1.4}
.hero-media{position:relative}
.hero-media img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  border-radius:var(--radius);
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
}
.hero-media::after{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:34%;
  border-radius:var(--radius) var(--radius) 0 0;
  background:linear-gradient(180deg,rgba(10,11,15,.7),rgba(10,11,15,0));
  pointer-events:none;
}
.hero-tag{
  position:absolute;
  left:16px;top:16px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(10,11,15,.72);
  border:1px solid rgba(46,230,197,.4);
  color:var(--mint);
  font-size:12px;
  font-weight:600;
  backdrop-filter:blur(6px);
}

/* 双栏清单 */
.list-layout{display:grid;grid-template-columns:300px 1fr;gap:36px;align-items:start}
.toc{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 18px;
}
.toc-sticky{position:sticky;top:96px}
.toc h2{font-size:15px;letter-spacing:.4px;margin-bottom:6px}
.toc .toc-hint{font-size:12.5px;color:var(--muted);line-height:1.7;margin:0 0 14px}
.toc ol li + li{margin-top:4px}
.toc a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 12px;
  border-radius:var(--radius-sm);
  font-size:14px;
  color:var(--muted);
  border-left:2px solid transparent;
}
.toc a span{color:rgba(46,230,197,.75);font-size:12px;font-weight:700;letter-spacing:.5px}
.toc a:hover,.toc a:focus-visible{
  background:var(--card);
  color:var(--mint);
  border-left-color:var(--mint);
  transform:translateX(3px);
}
.toc-foot{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--muted);
  line-height:1.75;
}

.module-list{display:flex;flex-direction:column;gap:18px}
.module-item{
  display:grid;
  grid-template-columns:190px 1fr;
  gap:22px;
  padding:20px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease),background-color .28s var(--ease);
  scroll-margin-top:104px;
}
.module-item:hover{
  background:var(--card);
  border-color:rgba(46,230,197,.35);
  box-shadow:var(--shadow-lg);
  transform:translateY(-3px);
}
.module-thumb{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line)}
.module-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.module-item:hover .module-thumb img{transform:scale(1.04)}
.module-body{min-width:0}
.module-no{
  display:block;
  font-size:28px;
  font-weight:800;
  line-height:1;
  letter-spacing:1px;
  margin-bottom:8px;
  color:transparent;
  -webkit-text-stroke:1.5px var(--mint);
  text-shadow:0 0 14px rgba(46,230,197,.35);
}
@supports not (-webkit-text-stroke:1px #000){
  .module-no{color:var(--mint)}
}
.module-body h3{font-size:20px;font-weight:600;margin-bottom:8px}
.module-body p{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0 0 12px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag-row li{
  padding:4px 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  color:var(--mint);
  background:rgba(46,230,197,.07);
  border:1px solid rgba(46,230,197,.26);
}

/* 状态提示对照 */
.state-list{display:flex;flex-direction:column;gap:12px}
.state-row{
  display:grid;
  grid-template-columns:1fr 1.1fr 1.3fr;
  gap:20px;
  align-items:center;
  padding:18px 20px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  transition:border-color .25s var(--ease),background-color .25s var(--ease);
}
.state-row:hover{background:var(--card);border-color:rgba(255,61,139,.35)}
.state-row .state-key{
  font-size:15px;
  font-weight:600;
  color:var(--head);
  display:flex;
  align-items:center;
  gap:10px;
}
.state-row .state-key i{
  width:7px;height:7px;border-radius:50%;
  background:var(--pink);
  box-shadow:0 0 10px rgba(255,61,139,.8);
  flex:none;
}
.state-row .state-mean{font-size:14px;color:var(--muted);line-height:1.8}
.state-row .state-do{font-size:14px;color:var(--text);line-height:1.8}
.state-row .state-do b{color:var(--amber);font-weight:600}

/* 推荐竖卡 */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pick-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(46,230,197,.35)}
.pick-media{position:relative;overflow:hidden}
.pick-media img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .45s var(--ease)}
.pick-card:hover .pick-media img{transform:scale(1.05)}
.pick-badge{
  position:absolute;
  left:12px;top:12px;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(10,11,15,.75);
  border:1px solid rgba(46,230,197,.4);
  color:var(--mint);
  font-size:12px;
  font-weight:600;
}
.pick-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.pick-body h3{font-size:17px;font-weight:600;margin-bottom:8px}
.pick-body p{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:14px;flex:1}
.pick-body .link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--mint);
}
.pick-body .link-more:hover{gap:11px;color:#7DF6E2}

/* FAQ */
.faq-acc{
  --bs-accordion-bg:var(--panel);
  --bs-accordion-color:var(--text);
  --bs-accordion-border-color:var(--line);
  --bs-accordion-border-radius:var(--radius);
  --bs-accordion-inner-border-radius:var(--radius);
  --bs-accordion-btn-color:var(--head);
  --bs-accordion-btn-bg:var(--panel);
  --bs-accordion-active-color:var(--mint);
  --bs-accordion-active-bg:var(--card);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-btn-padding-y:19px;
  --bs-accordion-btn-padding-x:22px;
  --bs-accordion-body-padding-y:6px;
  --bs-accordion-body-padding-x:22px;
}
.faq-acc .accordion-item{margin-bottom:12px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.faq-acc .accordion-button{
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  display:flex;
  align-items:center;
  gap:12px;
  transition:background-color .25s var(--ease),color .25s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  box-shadow:inset 3px 0 0 var(--mint);
}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"";
  width:9px;height:9px;
  border-right:2px solid var(--mint);
  border-bottom:2px solid var(--mint);
  transform:rotate(45deg);
  margin-left:auto;
  flex:none;
  transition:transform .3s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq-acc .accordion-body{font-size:15px;color:var(--muted);line-height:1.85}

/* CTA 带 */
.cta-band{
  position:relative;
  padding:70px 0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(10,11,15,.95),rgba(20,22,29,.88));
}
.cta-band .container{position:relative;z-index:2}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  padding:36px 38px;
  border-radius:var(--radius);
  background:rgba(20,22,29,.78);
  border:1px solid rgba(46,230,197,.25);
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(8px);
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.cta-inner p{margin:0;color:var(--muted);font-size:15px;max-width:620px}
.cta-inner .cta-side{flex:none}

/* 页脚 */
.site-footer{
  background:#0E1015;
  border-top:1px solid var(--line);
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:34px;
  padding-bottom:36px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:330px;margin:0}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a,.footer-col ul li span{font-size:14px;color:var(--muted);line-height:1.7}
.footer-col ul li a:hover{color:var(--mint)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--mint)}

/* 移动端底部条 */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1050;
  height:56px;
  background:rgba(14,16,21,.97);
  border-top:1px solid var(--line);
  backdrop-filter:blur(10px);
  padding:8px 14px;
  gap:10px;
}
.mobile-bar a{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--text);
  border:1px solid var(--line);
  background:var(--panel);
}
.mobile-bar a.primary{
  background:var(--mint);
  color:#06120F;
  border-color:transparent;
}

/* 响应式 */
@media (max-width:1199.98px){
  .list-layout{grid-template-columns:260px 1fr;gap:26px}
  .module-item{grid-template-columns:170px 1fr}
}
@media (max-width:991.98px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-actions .btn-neon{display:none}
  .page-hero{padding:56px 0 50px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media{max-width:460px}
  .hero-media img{aspect-ratio:4/5}
  .list-layout{grid-template-columns:1fr;gap:24px}
  .toc-sticky{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:30px 26px}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:52px 0}
  .section-head{margin-bottom:26px}
  .hero-desc{font-size:15px}
  .hero-metrics li{padding:0 14px}
  .hero-metrics strong{font-size:17px}
  .module-item{grid-template-columns:1fr;gap:16px;padding:16px}
  .module-thumb img{aspect-ratio:16/9}
  .module-no{font-size:24px}
  .state-row{grid-template-columns:1fr;gap:8px;padding:16px}
  .pick-grid{grid-template-columns:1fr;gap:18px}
  .pick-media img{aspect-ratio:4/3}
  .cta-inner h2{font-size:20px}
  .mobile-bar{display:flex}
  body{padding-bottom:72px}
  .site-footer{padding:48px 0 22px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-brand p{max-width:none}
  .hero-cta .btn-neon,.hero-cta .btn-ghost{flex:1;min-width:150px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category3 */
:root{
  --bg:#0A0B0F;
  --panel:#14161D;
  --card:#1B1E27;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.14);
  --text:#C9CFDA;
  --head:#F2F5F9;
  --muted:#8A93A3;
  --neon:#2EE6C5;
  --neon-soft:rgba(46,230,197,.12);
  --neon-line:rgba(46,230,197,.35);
  --magenta:#FF3D8B;
  --amber:#FFC24B;
  --radius-card:16px;
  --radius-pill:999px;
  --radius-field:12px;
  --shadow:0 8px 24px rgba(0,0,0,.45);
  --shadow-hover:0 14px 36px rgba(0,0,0,.6);
  --gap-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--neon);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--head);margin:0;font-weight:700;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1200px){.container{max-width:1240px;}}
@media (max-width:575.98px){.container{padding:0 16px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#0E1015;
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(14,16,21,.96);
  box-shadow:0 10px 30px rgba(0,0,0,.55);
}
.site-header.is-scrolled::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,var(--neon),rgba(46,230,197,0));
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(46,230,197,.22),rgba(255,61,139,.18));
  border:1px solid var(--neon-line);
  color:var(--neon);font-weight:800;font-size:17px;
}
.brand-text{
  font-size:17px;font-weight:800;color:var(--head);letter-spacing:-.2px;white-space:nowrap;
}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-menu a{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:10px;
  font-size:15px;color:var(--muted);white-space:nowrap;
}
.nav-menu a:hover{color:var(--head);background:rgba(255,255,255,.04);}
.nav-menu a.active{color:var(--neon);text-shadow:0 0 12px rgba(46,230,197,.55);}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--neon);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:transparent;border:1px solid var(--line-strong);
  padding:0;cursor:pointer;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--head);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span:nth-child(1){top:14px;}
.nav-toggle span:nth-child(2){top:20px;}
.nav-toggle span:nth-child(3){top:26px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#0E1015;}
.mobile-nav.is-open{display:block;}
.mobile-nav a{
  display:block;padding:16px 20px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--neon);background:rgba(46,230,197,.05);}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .nav-toggle{display:block;}
  .header-actions .btn-neon{display:none;}
}

/* ============ 按钮 ============ */
.btn-neon,.btn-ghost,.btn-quiet{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);
  font-weight:700;font-size:15px;
  padding:12px 26px;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-neon{background:var(--neon);color:#06251F;box-shadow:0 8px 22px rgba(46,230,197,.22);}
.btn-neon:hover{background:#4DF0D3;color:#06251F;transform:translateY(-2px);box-shadow:0 12px 28px rgba(46,230,197,.3);}
.btn-ghost{background:transparent;border-color:var(--neon);color:var(--neon);}
.btn-ghost:hover{background:var(--neon-soft);color:var(--neon);transform:translateY(-2px);}
.btn-quiet{background:transparent;border:0;padding:8px 0;color:var(--head);position:relative;}
.btn-quiet::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--neon);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.btn-quiet:hover{color:var(--neon);}
.btn-quiet:hover::after{transform:scaleX(1);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-neon:active,.btn-ghost:active{transform:translateY(0);}
.btn-neon[disabled],.btn-ghost[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 通用板块 ============ */
.section{padding:var(--gap-section) 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--neon);background:var(--neon-soft);
  border:1px solid var(--neon-line);
  padding:5px 14px;border-radius:var(--radius-pill);
  margin-bottom:16px;
}
.eyebrow.is-magenta{color:var(--magenta);background:rgba(255,61,139,.1);border-color:rgba(255,61,139,.3);}
.section-title{font-size:28px;font-weight:700;margin-bottom:14px;letter-spacing:-.3px;}
.section-desc{font-size:16px;color:var(--muted);max-width:720px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 面包屑 ============ */
.crumb{padding:22px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"/";color:rgba(255,255,255,.18);}
.crumb li:last-child::after{content:"";}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--neon);}
.crumb .current{color:var(--head);}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:56px 0 80px;
  background-image:linear-gradient(180deg,rgba(10,11,15,.78),rgba(10,11,15,.95)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;background-repeat:no-repeat;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(10,11,15,0),var(--bg));
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;
}
.hero h1{
  font-size:40px;font-weight:800;letter-spacing:-.5px;line-height:1.28;margin-bottom:18px;
}
.hero h1 .hl{color:var(--neon);}
.hero-sub{font-size:18px;color:var(--text);margin-bottom:14px;}
.hero-lead{font-size:15px;color:var(--muted);max-width:560px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-metrics{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted);}
.hero-metrics span{display:inline-flex;align-items:center;gap:8px;}
.hero-metrics span + span::before{
  content:"";width:1px;height:12px;background:rgba(255,255,255,.16);margin-right:6px;display:inline-block;
}
.hero-media{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  aspect-ratio:3/4;box-shadow:var(--shadow);border:1px solid var(--line);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,11,15,.15),rgba(10,11,15,.72));
}
.hero-media .media-tag{
  position:absolute;top:16px;left:16px;z-index:2;
  font-size:12px;font-weight:600;color:#06251F;background:var(--neon);
  padding:5px 12px;border-radius:var(--radius-pill);
}
.play-dot{
  position:absolute;right:18px;bottom:18px;z-index:2;
  width:52px;height:52px;border-radius:50%;
  background:rgba(46,230,197,.94);color:#06251F;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:0 10px 24px rgba(0,0,0,.5);
}
@media (max-width:991.98px){
  .hero{padding:40px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{aspect-ratio:4/5;max-width:520px;}
  .hero h1{font-size:32px;}
}
@media (max-width:575.98px){
  .hero h1{font-size:27px;}
  .hero-sub{font-size:16px;}
}

/* ============ 对照面板 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 26px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.compare-panel:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.compare-panel.is-focus{
  background:var(--card);border-color:var(--neon-line);
}
.compare-panel .panel-label{
  font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.06em;margin-bottom:10px;
}
.compare-panel.is-focus .panel-label{color:var(--neon);}
.compare-panel h3{font-size:21px;margin-bottom:8px;}
.compare-panel .panel-sub{font-size:14px;color:var(--muted);margin-bottom:20px;}
.compare-list li{
  position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;color:var(--text);
}
.compare-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:transparent;border:1px solid var(--neon);
}
.compare-panel.is-focus .compare-list li::before{background:var(--neon);}
@media (max-width:767.98px){
  .compare-grid{grid-template-columns:1fr;}
}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:27px;top:10px;bottom:10px;width:1px;
  background:linear-gradient(180deg,var(--neon),rgba(46,230,197,0));
}
.tl-item{
  position:relative;padding-left:84px;margin-bottom:34px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;
  width:56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:var(--neon);
  background:var(--panel);border:1px solid var(--neon-line);
  letter-spacing:-.5px;
}
.tl-item h3{font-size:20px;margin-bottom:8px;}
.tl-item p{font-size:15px;color:var(--muted);max-width:760px;}
.tl-item .tl-tag{
  display:inline-block;margin-top:10px;
  font-size:12px;font-weight:600;color:var(--amber);
  border:1px solid rgba(255,194,75,.34);border-radius:var(--radius-pill);
  padding:3px 12px;
}
@media (max-width:575.98px){
  .timeline::before{left:22px;}
  .tl-item{padding-left:64px;}
  .tl-num{width:46px;height:46px;border-radius:14px;font-size:17px;}
}

/* ============ 编号清单 ============ */
.check-list{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:10px 8px;box-shadow:var(--shadow);
}
.check-row{
  display:flex;align-items:center;gap:20px;
  padding:18px 18px;border-radius:12px;
  transition:background-color .2s ease,transform .2s ease;
}
.check-row + .check-row{border-top:1px solid var(--line);}
.check-row:hover{background:var(--card);}
.check-num{
  flex:0 0 auto;font-size:22px;font-weight:800;color:transparent;
  -webkit-text-stroke:1px var(--neon);
  letter-spacing:-.5px;width:44px;text-align:center;
}
.check-body{flex:1 1 auto;min-width:0;}
.check-body h3{font-size:17px;margin-bottom:4px;}
.check-body p{font-size:14px;color:var(--muted);}
.check-row i{color:var(--muted);transition:transform .2s ease,color .2s ease;flex:0 0 auto;}
.check-row:hover i{color:var(--neon);transform:translateX(4px);}
@media (max-width:575.98px){
  .check-row{gap:12px;padding:16px 10px;}
  .check-num{font-size:18px;width:34px;}
}

/* ============ 支撑亮点 ============ */
.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--neon-line);}
.feature-card i{color:var(--neon);font-size:20px;margin-bottom:14px;display:block;}
.feature-card h3{font-size:17px;margin-bottom:8px;}
.feature-card p{font-size:14px;color:var(--muted);}
@media (max-width:991.98px){.feature-row{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.feature-row{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:var(--panel) !important;
  border:1px solid var(--line) !important;
  border-radius:14px !important;
  margin-bottom:12px;overflow:hidden;
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--neon-line) !important;
}
.accordion-button{
  background:transparent !important;
  color:var(--head) !important;
  font-size:17px;font-weight:600;
  padding:20px 22px;
  box-shadow:none !important;
  border-radius:14px !important;
}
.accordion-button:hover{color:var(--neon) !important;}
.accordion-button:not(.collapsed){
  color:var(--neon) !important;
  background:rgba(46,230,197,.05) !important;
  box-shadow:inset 3px 0 0 var(--neon) !important;
}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%238A93A3'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-size:16px;width:16px;height:16px;
  transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232EE6C5'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}
.accordion-body{
  padding:4px 22px 22px;
  font-size:15px;line-height:1.85;color:var(--muted);
  border-top:1px solid var(--line);
  padding-top:18px;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;
  background-image:linear-gradient(120deg,rgba(20,22,29,.94),rgba(10,11,15,.9)),url('/assets/images/coverpic/cover-7.png');
  background-size:cover;background-position:center;
  border:1px solid var(--line);
  padding:52px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--muted);max-width:560px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
@media (max-width:575.98px){
  .cta-band{padding:34px 22px;}
  .cta-band h2{font-size:22px;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:#0E1015;border-top:1px solid var(--line);
  padding:64px 0 26px;margin-top:96px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--head);}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a,.footer-col ul li span{font-size:14px;color:var(--muted);}
.footer-col ul li a:hover{color:var(--neon);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--neon);}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px;}
}

/* ============ 移动端底部粘条 ============ */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:56px;display:none;align-items:center;justify-content:space-between;gap:14px;
  padding:0 16px;
  background:rgba(20,22,29,.97);
  border-top:1px solid rgba(46,230,197,.25);
  backdrop-filter:blur(8px);
}
.sticky-bar span{font-size:14px;color:var(--muted);}
@media (max-width:767.98px){
  .sticky-bar{display:flex;}
  body{padding-bottom:56px;}
  .section{padding:52px 0;}
  .section-title{font-size:23px;}
}

/* roulang page: category4 */
:root{
  --bg:#0A0B0F;
  --panel:#14161D;
  --card:#1B1E27;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.14);
  --text:#C9CFDA;
  --head:#F2F5F9;
  --muted:#8A93A3;
  --mint:#2EE6C5;
  --magenta:#FF3D8B;
  --amber:#FFC24B;
  --r-card:16px;
  --r-btn:999px;
  --r-img:12px;
  --shadow:0 8px 24px rgba(0,0,0,.45);
  --shadow-hover:0 14px 36px rgba(0,0,0,.6);
  --cw:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.1px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease}
a:hover{color:var(--mint)}
button{font:inherit}
h1,h2,h3,h4{color:var(--head);margin:0;font-weight:700;line-height:1.35;letter-spacing:-.3px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--cw);margin:0 auto;padding-left:20px;padding-right:20px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:#0E1015;
  border-bottom:1px solid var(--line);
  transition:background-color .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,var(--mint),rgba(46,230,197,0) 55%);
  opacity:.75;
}
.site-header.scrolled{background:rgba(12,14,19,.94);backdrop-filter:blur(12px);box-shadow:0 10px 30px rgba(0,0,0,.55)}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}

.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--mint),#149c85);
  color:#06110E;font-weight:800;font-size:17px;
  box-shadow:0 0 0 1px rgba(46,230,197,.35),0 6px 18px rgba(46,230,197,.18);
}
.brand-text{color:var(--head);font-weight:700;font-size:17px;letter-spacing:-.2px;white-space:nowrap}
.brand:hover .brand-text{color:var(--mint)}

.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{
  position:relative;display:inline-block;
  padding:10px 13px;
  font-size:15px;color:var(--muted);
  border-radius:10px;
}
.nav-menu a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--mint);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-menu a:hover{color:var(--head);background:rgba(255,255,255,.04)}
.nav-menu a.active{color:var(--mint);text-shadow:0 0 12px rgba(46,230,197,.55)}
.nav-menu a.active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}

.btn-mint{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--mint);color:#06110E;
  border:1px solid var(--mint);
  border-radius:var(--r-btn);
  padding:10px 20px;
  font-size:15px;font-weight:600;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background-color .22s ease,color .22s ease;
}
.btn-mint:hover{
  color:#06110E;filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(46,230,197,.28);
}
.btn-mint:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:transparent;color:var(--mint);
  border:1px solid rgba(46,230,197,.7);
  border-radius:var(--r-btn);
  padding:10px 20px;font-size:15px;font-weight:600;
  transition:background-color .22s ease,transform .22s ease,border-color .22s ease;
}
.btn-ghost:hover{background:rgba(46,230,197,.12);color:var(--mint);transform:translateY(-2px)}
.btn-quiet{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--muted);font-size:15px;font-weight:600;
  border-bottom:1px solid transparent;padding:4px 0;
}
.btn-quiet:hover{color:var(--mint);border-bottom-color:rgba(46,230,197,.6)}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);color:var(--head);
  cursor:pointer;transition:border-color .22s ease,color .22s ease;
}
.nav-toggle:hover{border-color:rgba(46,230,197,.55);color:var(--mint)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ HERO ============ */
.page-hero{
  position:relative;
  padding:112px 0 76px;
  background-image:
    linear-gradient(180deg,rgba(10,11,15,.82) 0%,rgba(10,11,15,.94) 55%,var(--bg) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-block;
  font-size:12px;font-weight:600;letter-spacing:1.4px;
  color:var(--mint);text-transform:uppercase;
  padding:6px 14px;border-radius:var(--r-btn);
  border:1px solid rgba(46,230,197,.35);
  background:rgba(46,230,197,.07);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(26px,3.3vw,42px);
  font-weight:800;
  letter-spacing:-.6px;
  line-height:1.28;
}
.hero-sub{
  margin-top:14px;font-size:18px;color:var(--head);font-weight:600;
}
.hero-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.95;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;font-size:13px;color:var(--muted)}
.hero-metrics li{display:flex;align-items:center;gap:14px}
.hero-metrics li+li::before{content:"";width:1px;height:13px;background:var(--line-strong);display:inline-block}

.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/5;object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-card);pointer-events:none;
  background:linear-gradient(180deg,rgba(10,11,15,.42) 0%,rgba(10,11,15,0) 38%,rgba(10,11,15,.6) 100%);
}
.badge-live{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,61,139,.14);
  border:1px solid rgba(255,61,139,.5);
  color:#FF8FBC;
  font-size:12px;font-weight:600;letter-spacing:.6px;
  padding:6px 13px;border-radius:var(--r-btn);
}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--magenta);box-shadow:0 0 8px var(--magenta)}

/* ============ SECTION ============ */
.section{padding:84px 0}
.section-alt{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:40px;max-width:720px}
.section-head .kicker{
  display:block;font-size:12px;font-weight:600;letter-spacing:1.6px;color:var(--magenta);margin-bottom:10px;
}
.section-head h2{font-size:clamp(22px,2.4vw,29px)}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.9}

/* ============ 口碑 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.voice-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;gap:12px;
  height:100%;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(46,230,197,.35)}
.voice-top{display:flex;align-items:center;gap:11px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(46,230,197,.22),rgba(255,61,139,.18));
  border:1px solid var(--line-strong);
  color:var(--head);font-size:15px;font-weight:700;
}
.voice-name{font-size:14.5px;font-weight:600;color:var(--head)}
.voice-meta{font-size:12px;color:var(--muted)}
.stars{display:flex;gap:2px;margin-left:auto;color:var(--amber);font-size:12px;letter-spacing:1px}
.voice-text{font-size:14.5px;line-height:1.8;color:var(--text);border-top:1px solid var(--line);padding-top:12px}

.rating-panel{
  margin-top:32px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.rating-item{
  background:rgba(46,230,197,.05);
  border:1px solid rgba(46,230,197,.2);
  border-radius:var(--r-card);
  padding:22px;
  text-align:center;
}
.rating-num{font-size:30px;font-weight:800;color:var(--mint);letter-spacing:-1px;line-height:1.2}
.rating-label{font-size:13px;color:var(--muted);margin-top:6px}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--card);
  border:1px solid var(--line)!important;
  border-radius:var(--r-card)!important;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.accordion-item:hover{border-color:var(--line-strong)!important}
.accordion-button{
  position:relative;
  background:transparent!important;
  color:var(--head)!important;
  font-size:17px;font-weight:600;
  padding:20px 56px 20px 22px;
  box-shadow:none!important;
  border-radius:0!important;
  transition:color .22s ease,background-color .22s ease;
}
.accordion-button:hover{background:rgba(255,255,255,.03)!important}
.accordion-button:not(.collapsed){
  color:var(--mint)!important;
  background:rgba(46,230,197,.07)!important;
  box-shadow:inset 3px 0 0 var(--mint)!important;
}
.accordion-button::after{
  content:"";
  width:9px;height:9px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  background-image:none!important;
  transform:rotate(45deg);
  transition:transform .26s ease;
  position:absolute;right:24px;top:50%;margin-top:-7px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:-3px}
.accordion-body{
  padding:0 22px 22px 22px;
  font-size:15px;line-height:1.85;color:var(--text);
  border-top:1px solid var(--line);
  padding-top:16px;
  margin-top:0;
}

/* ============ 相关推荐 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.rec-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(46,230,197,.35)}
.rec-media{position:relative;overflow:hidden}
.rec-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;
  transition:transform .45s ease;
}
.rec-card:hover .rec-media img{transform:scale(1.05)}
.rec-tag{
  position:absolute;left:12px;top:12px;
  font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-btn);
  background:rgba(10,11,15,.72);
  border:1px solid rgba(46,230,197,.45);
  color:var(--mint);
  backdrop-filter:blur(4px);
}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:17.5px;line-height:1.5}
.rec-body p{font-size:14px;color:var(--muted);line-height:1.8}
.rec-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--mint);display:inline-flex;align-items:center;gap:6px}
.rec-link::after{content:"→";transition:transform .22s ease}
.rec-card:hover .rec-link::after{transform:translateX(4px)}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,rgba(46,230,197,.12),rgba(255,61,139,.08) 70%,rgba(10,11,15,0) 100%),var(--panel);
  border:1px solid var(--line-strong);
  border-radius:22px;
  padding:46px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(21px,2.2vw,27px)}
.cta-band p{margin-top:10px;color:var(--muted);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ FOOTER ============ */
.site-footer{
  background:#0C0E13;
  border-top:1px solid var(--line);
  padding:62px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--muted);line-height:1.85;max-width:330px}
.footer-col h4{font-size:15px;color:var(--head);margin-bottom:16px;font-weight:700}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a,.footer-col ul li span{font-size:14px;color:var(--muted)}
.footer-col ul li a:hover{color:var(--mint)}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.footer-bottom a:hover{color:var(--mint)}

/* ============ MOBILE BAR ============ */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:1035;
  height:56px;padding:8px 14px;
  gap:10px;
  background:rgba(14,16,21,.96);
  border-top:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.mobile-bar .btn-mint,.mobile-bar .btn-ghost{flex:1;padding:8px 12px;font-size:14px}

/* ============ RESPONSIVE ============ */
@media (max-width:1199px){
  .voice-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  body{padding-bottom:70px}
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:fixed;top:68px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#0E1015;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:8px 20px 16px;
    max-height:calc(100vh - 68px);overflow-y:auto;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
  }
  .nav-menu.open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-menu a{
    padding:16px 6px;font-size:16px;border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .nav-menu a:last-child{border-bottom:0}
  .nav-menu a::after{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .hero-visual img{aspect-ratio:4/5}
  .voice-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .mobile-bar{display:flex}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .page-hero{padding:96px 0 52px}
  .hero-sub{font-size:16.5px}
  .hero-desc{font-size:15px}
  .voice-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .rating-panel{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn-mint,.cta-actions .btn-ghost{flex:1;justify-content:center}
  .accordion-button{font-size:15.5px;padding:17px 46px 17px 18px}
  .accordion-body{padding:14px 18px 18px}
  .hero-metrics li+li::before{display:none}
  .hero-metrics{gap:8px 18px}
}
@media (max-width:380px){
  .brand-text{font-size:15.5px}
}