/* roulang page: index */
:root{
  --brand-1:#7B3BFF;
  --brand-2:#FF3D8B;
  --brand-3:#FF8A3D;
  --lime:#B6FF3D;
  --cyan:#3DE8FF;
  --bg:#0A0714;
  --bg-2:#120C1F;
  --card-a:#1B1230;
  --card-b:#241640;
  --text:#F4F0FF;
  --text-2:#B6AEDA;
  --text-3:#7E76A6;
  --line:rgba(255,255,255,.08);
  --line-hi:rgba(182,255,61,.35);
  --grad:linear-gradient(90deg,#7B3BFF,#FF3D8B,#FF8A3D);
  --grad-135:linear-gradient(135deg,#7B3BFF 0%,#FF3D8B 55%,#FF8A3D 100%);
  --ok:#3DD68C;
  --warn:#FFB020;
  --err:#FF5C6C;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 24px 60px rgba(8,3,24,.55);
  --sh-hi:0 18px 40px rgba(123,59,255,.35);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:72px;--sp-7:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;line-height:1.85;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(circle at 12% -5%, rgba(123,59,255,.20), transparent 42%),
    radial-gradient(circle at 92% 18%, rgba(255,61,139,.12), transparent 38%);
  opacity:.95;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--lime)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container,.container-fluid{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto;position:relative;z-index:1}
@media (min-width:1440px){.container,.container-fluid{max-width:1360px}}
@media (max-width:575.98px){.container,.container-fluid{padding-left:16px;padding-right:16px}}
.section{padding:96px 0;position:relative;z-index:1}
@media (max-width:991.98px){.section{padding:64px 0}}
@media (max-width:575.98px){.section{padding:56px 0}}
.section-head{margin-bottom:40px;max-width:760px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--lime);border:1px solid var(--line-hi);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px;background:rgba(182,255,61,.06)}
.section-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15px;max-width:660px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn-grad,.btn-ghost,.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);font-weight:600;font-size:15px;min-height:44px;padding:12px 26px;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;white-space:nowrap}
.btn-grad{background:var(--grad-135);color:#fff;box-shadow:0 14px 32px rgba(123,59,255,.36)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 44px rgba(255,61,139,.42)}
.btn-grad:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{background:var(--grad-135);color:#fff;border-color:transparent;transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--lime);padding:0;min-height:auto;border:0;border-radius:0;position:relative}
.btn-line::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--grad);transform:scaleX(.35);transform-origin:left;transition:transform .25s ease}
.btn-line:hover::after{transform:scaleX(1)}
.btn-grad:focus-visible,.btn-ghost:focus-visible,.btn-line:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-lg{font-size:16px;padding:14px 32px}
.btn-sm{font-size:14px;padding:9px 20px;min-height:44px}
.badge-pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.04em;padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--line-hi);color:var(--lime);background:rgba(182,255,61,.07)}
.badge-soft{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.04)}

/* ---------- 顶部信息条 ---------- */
.topbar{position:relative;z-index:60;background:linear-gradient(90deg,rgba(123,59,255,.28),rgba(255,61,139,.20) 55%,rgba(255,138,61,.18));border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:14px;min-height:44px;font-size:13px;color:var(--text-2)}
.topbar-inner .badge-pill{flex:0 0 auto}
.topbar-text{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}
.topbar-cta{flex:0 0 auto;font-size:13px;font-weight:600;color:var(--lime);border-bottom:1px solid transparent}
.topbar-cta:hover{border-bottom-color:var(--lime)}
.topbar-close{flex:0 0 auto;background:transparent;border:0;color:var(--text-3);font-size:20px;line-height:1;width:32px;height:32px;border-radius:50%;cursor:pointer;transition:color .2s,background .2s}
.topbar-close:hover{color:var(--text);background:rgba(255,255,255,.07)}
.topbar.is-hidden{display:none}
@media (max-width:767.98px){.topbar-inner .badge-pill{display:none}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,7,20,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--grad);opacity:.55}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-135);display:grid;place-items:center;font-weight:800;font-size:18px;color:#fff;box-shadow:0 10px 24px rgba(123,59,255,.45)}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:6px;flex:1 1 auto}
.nav-link{position:relative;padding:10px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--text-2);min-height:44px;display:inline-flex;align-items:center;transition:color .2s ease,background .2s ease,transform .2s ease}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);transform:translateY(-1px)}
.nav-link.active{color:#fff;background:rgba(123,59,255,.20)}
.nav-link.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;width:26px;height:2px;border-radius:2px;background:var(--grad)}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.icon-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-2);display:grid;place-items:center;cursor:pointer;transition:color .2s,border-color .2s,background .2s}
.icon-btn:hover{color:var(--cyan);border-color:rgba(61,232,255,.5);background:rgba(61,232,255,.08)}
.drawer-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text);cursor:pointer;font-size:17px}
@media (max-width:991.98px){
  .nav-menu{display:none}
  .drawer-btn{display:grid;place-items:center}
  .nav-inner{min-height:58px;gap:12px}
  .nav-right .btn-grad{display:none}
}
.drawer{position:fixed;inset:0;z-index:80;pointer-events:none}
.drawer-mask{position:absolute;inset:0;background:rgba(5,3,12,.66);opacity:0;transition:opacity .3s ease}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(320px,86vw);background:linear-gradient(180deg,#1B1230,#120C1F);border-left:1px solid var(--line);padding:24px 20px;display:flex;flex-direction:column;gap:8px;transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1)}
.drawer.open{pointer-events:auto}
.drawer.open .drawer-mask{opacity:1}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-panel .nav-link{width:100%;justify-content:flex-start;padding:14px 16px;border-radius:var(--r-sm)}
.drawer-panel .nav-link.active{background:rgba(123,59,255,.22)}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- Hero ---------- */
.hero{padding:72px 0 88px;overflow:hidden}
@media (max-width:991.98px){.hero{padding:44px 0 64px}}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--lime);border:1px solid var(--line-hi);border-radius:var(--r-pill);padding:6px 15px;background:rgba(182,255,61,.06);margin-bottom:20px}
.hero-title{font-size:clamp(30px,4.4vw,54px);font-weight:800;line-height:1.18;margin-bottom:20px}
.hero-sub{color:var(--text-2);font-size:17px;max-width:600px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:40px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;padding-top:28px;border-top:1px solid var(--line)}
.stat{display:flex;flex-direction:column;min-width:96px}
.stat-num{font-size:26px;font-weight:800;color:var(--lime);line-height:1.2}
.stat-label{font-size:13px;color:var(--text-3)}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh),var(--sh-hi);border:1px solid var(--line)}
.hero-visual img{width:100%;height:480px;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(123,59,255,.42),rgba(10,7,20,.72) 68%);pointer-events:none}
.hero-float{position:absolute;left:20px;bottom:20px;right:20px;display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--r-md);background:rgba(27,18,48,.86);border:1px solid var(--line-hi);backdrop-filter:blur(6px);z-index:2}
.hero-float .dot{width:10px;height:10px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(182,255,61,.18);flex:0 0 auto}
.hero-float strong{display:block;font-size:15px}
.hero-float small{display:block;color:var(--text-3);font-size:12px}
.hero-circle{position:absolute;top:20px;right:20px;z-index:2;width:96px;height:96px;border-radius:50%;background:rgba(18,12,31,.82);border:1px solid var(--line-hi);display:grid;place-items:center;text-align:center;font-size:11px;color:var(--text-3);backdrop-filter:blur(6px)}
.hero-circle b{display:block;font-size:19px;color:var(--lime);line-height:1.2}
@media (max-width:991.98px){
  .hero-visual img{height:320px}
  .hero-circle{width:80px;height:80px;font-size:10px}
  .hero-circle b{font-size:16px}
}
@media (max-width:575.98px){
  .hero-stats{gap:20px}
  .stat{min-width:calc(50% - 10px)}
  .hero-visual img{height:230px}
  .hero-float{left:12px;right:12px;bottom:12px;padding:10px 14px}
}

/* ---------- 促销主视觉 ---------- */
.promo-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:196px;gap:24px}
.promo-main{grid-column:span 2;grid-row:span 2;position:relative;border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:36px;box-shadow:var(--sh);border:1px solid transparent;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.promo-main img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .45s ease}
.promo-main::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(123,59,255,.78),rgba(255,61,139,.62) 52%,rgba(10,7,20,.86));z-index:1}
.promo-main:hover img.bg{transform:scale(1.05)}
.promo-main > *{position:relative;z-index:2}
.promo-main h3{font-size:clamp(22px,2.4vw,32px);margin-bottom:12px}
.promo-main p{color:rgba(244,240,255,.85);font-size:15px;max-width:440px;margin-bottom:24px}
.promo-side{position:relative;border-radius:var(--r-lg);padding:26px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(150deg,var(--card-a),var(--card-b));border:1px solid var(--line);box-shadow:var(--sh);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.promo-side:hover{transform:translateY(-6px);border-color:transparent;box-shadow:var(--sh),var(--sh-hi)}
.promo-side .corner{position:absolute;top:22px;right:22px;width:26px;height:26px;border-top:2px solid var(--cyan);border-right:2px solid var(--cyan);border-radius:0 6px 0 0;opacity:.75}
.promo-side h3{font-size:20px;margin:14px 0 8px}
.promo-side p{color:var(--text-3);font-size:14px}
@media (max-width:991.98px){
  .promo-grid{grid-template-columns:repeat(2,1fr)}
  .promo-main{grid-column:span 2;grid-row:span 2;padding:26px}
}
@media (max-width:575.98px){
  .promo-grid{grid-template-columns:1fr;grid-auto-rows:auto}
  .promo-main,.promo-side{grid-column:span 1;grid-row:auto;min-height:220px}
  .promo-main{min-height:300px;padding:22px}
}

/* ---------- 优惠阶梯 ---------- */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:start}
.ladder-item{background:linear-gradient(160deg,var(--card-a),var(--card-b));border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh);transition:transform .3s ease,border-color .3s ease}
.ladder-item:nth-child(1){margin-top:72px}
.ladder-item:nth-child(2){margin-top:48px}
.ladder-item:nth-child(3){margin-top:24px}
.ladder-item:hover{transform:translateY(-6px);border-color:transparent;box-shadow:var(--sh),var(--sh-hi)}
.ladder-item .lv{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:#0A0714;background:var(--lime);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:16px}
.ladder-item h3{font-size:20px;margin-bottom:10px}
.ladder-item .desc{color:var(--text-3);font-size:14px;margin-bottom:18px}
.ladder-item ul li{display:flex;gap:10px;font-size:14px;color:var(--text-2);padding:6px 0}
.ladder-item ul li i{color:var(--lime);margin-top:6px;font-size:12px}
@media (max-width:991.98px){
  .ladder{grid-template-columns:repeat(2,1fr)}
  .ladder-item:nth-child(n){margin-top:0}
}
@media (max-width:575.98px){.ladder{grid-template-columns:1fr}}

/* ---------- 套餐对比 ---------- */
.plan-scroll{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(160deg,var(--card-a),var(--card-b));box-shadow:var(--sh)}
.plan-table{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;margin:0;color:var(--text)}
.plan-table th,.plan-table td{padding:18px 20px;border-bottom:1px solid var(--line);font-size:14px;text-align:center;vertical-align:middle}
.plan-table tbody tr:last-child td{border-bottom:0}
.plan-table thead th{position:sticky;top:0;background:#1E1436;color:var(--text-2);font-weight:600;font-size:13px;letter-spacing:.05em;z-index:3}
.plan-table tbody th{text-align:left;color:var(--text-2);font-weight:500;background:rgba(255,255,255,.015)}
.plan-table .col-hot{background:rgba(123,59,255,.10);position:relative}
.plan-table thead .col-hot{border-top:3px solid transparent;border-image:var(--grad) 1;color:#fff}
.plan-table .col-hot .rec{position:absolute;top:-13px;left:50%;transform:translateX(-50%);font-size:11px;font-weight:700;color:#0A0714;background:var(--lime);padding:2px 12px;border-radius:var(--r-pill);white-space:nowrap}
.plan-table .yes{color:var(--lime);font-weight:700}
.plan-table .no{color:var(--text-3)}
.plan-table td .btn-grad,.plan-table td .btn-ghost{padding:9px 20px;font-size:14px;width:100%;min-height:44px}
.plan-table .price{font-size:22px;font-weight:800;color:#fff}
.plan-table .price small{font-size:12px;color:var(--text-3);font-weight:400}
.plan-note{margin-top:16px;font-size:13px;color:var(--text-3)}
@media (max-width:767.98px){
  .plan-table{min-width:640px}
  .plan-table th,.plan-table td{padding:14px 14px;font-size:13px}
}

/* ---------- 限时入口 ---------- */
.limit-banner{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:56px;background:var(--grad-135);box-shadow:0 30px 70px rgba(123,59,255,.35)}
.limit-banner::after{content:"";position:absolute;top:-140px;right:-90px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.34),transparent 68%);pointer-events:none}
.limit-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.limit-left{max-width:520px}
.limit-left h2{font-size:clamp(24px,2.6vw,34px);color:#fff;margin-bottom:12px}
.limit-left p{color:rgba(255,255,255,.88);font-size:15px}
.countdown{display:flex;gap:14px}
.cd-block{width:82px;padding:14px 0;border-radius:var(--r-sm);background:rgba(10,7,20,.62);border:1px solid rgba(255,255,255,.22);text-align:center;backdrop-filter:blur(4px)}
.cd-block b{display:block;font-size:32px;font-weight:800;color:var(--lime);line-height:1.15;font-variant-numeric:tabular-nums}
.cd-block span{font-size:12px;color:rgba(255,255,255,.72)}
.cd-block.is-over b{color:var(--warn)}
.limit-banner .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(10,7,20,.28)}
.limit-banner .btn-ghost:hover{background:#0A0714;border-color:#0A0714}
@media (max-width:991.98px){
  .limit-banner{padding:36px 24px}
  .limit-inner{gap:26px}
  .cd-block{width:68px}
  .cd-block b{font-size:26px}
}
@media (max-width:575.98px){
  .countdown{gap:10px;flex-wrap:wrap}
  .cd-block{width:calc(25% - 8px);min-width:62px}
}

/* ---------- CMS 列表 ---------- */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.post-card{display:flex;flex-direction:column;height:100%;border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(160deg,var(--card-a),var(--card-b));border:1px solid var(--line);box-shadow:var(--sh);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.post-card:hover{transform:translateY(-6px);border-color:rgba(123,59,255,.55);box-shadow:var(--sh),var(--sh-hi)}
.post-cover{position:relative;width:100%;aspect-ratio:16/10;overflow:hidden;background:#140E24}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-cover img{transform:scale(1.04)}
.post-cover .tag{position:absolute;top:14px;left:14px;font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill);background:rgba(10,7,20,.78);border:1px solid var(--line-hi);color:var(--lime);backdrop-filter:blur(4px)}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:14px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);padding-top:12px;border-top:1px solid var(--line)}
.post-meta i{font-size:12px;color:var(--cyan)}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-lg);padding:64px 24px;text-align:center;background:rgba(255,255,255,.02)}
.empty-state i{font-size:34px;color:var(--text-3);margin-bottom:16px;display:block}
.empty-state p{color:var(--text-2);margin-bottom:20px}

/* ---------- 咨询表单 ---------- */
.consult-wrap{border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(150deg,var(--card-a),var(--card-b));box-shadow:var(--sh);overflow:hidden}
.consult-left{padding:44px 36px;height:100%;background:linear-gradient(165deg,rgba(123,59,255,.22),rgba(255,61,139,.10));border-right:1px solid var(--line)}
.consult-left h2{font-size:clamp(22px,2.2vw,30px);margin-bottom:14px}
.consult-left p{color:var(--text-2);font-size:15px;margin-bottom:28px}
.trust-list li{display:flex;align-items:flex-start;gap:12px;padding:12px 0;font-size:14px;color:var(--text-2)}
.trust-list li i{width:34px;height:34px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;background:rgba(61,232,255,.10);border:1px solid rgba(61,232,255,.28);color:var(--cyan);font-size:14px}
.consult-form{padding:44px 36px}
.form-label{font-size:14px;color:var(--text-2);margin-bottom:8px;display:block}
.form-control,.form-select{width:100%;background:rgba(10,7,20,.55);border:1px solid var(--line);border-radius:var(--r-sm);color:var(--text);font-size:15px;padding:12px 16px;min-height:48px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;appearance:none}
.form-control::placeholder{color:#5F5883}
.form-control:focus,.form-select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(61,232,255,.14);background:rgba(10,7,20,.78);color:var(--text)}
.form-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23B6AEDA'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:14px;padding-right:40px}
.form-select option{background:#1B1230;color:var(--text)}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-3)}
.form-check input{width:18px;height:18px;margin-top:5px;accent-color:#7B3BFF;flex:0 0 auto}
.form-check a{color:var(--cyan)}
.field-error .form-control,.field-error .form-select{border-color:var(--err);box-shadow:0 0 0 4px rgba(255,92,108,.12)}
.err-msg{display:none;color:var(--err);font-size:13px;margin-top:6px}
.field-error .err-msg{display:block}
.form-ok{display:none;margin-top:18px;padding:14px 18px;border-radius:var(--r-sm);border:1px solid rgba(61,214,140,.4);background:rgba(61,214,140,.10);color:var(--ok);font-size:14px}
.form-ok.show{display:block}
@media (max-width:991.98px){
  .consult-left{border-right:0;border-bottom:1px solid var(--line);padding:32px 24px}
  .consult-form{padding:32px 24px}
}

/* ---------- FAQ ---------- */
.ft-faq{--bs-accordion-bg:transparent;--bs-accordion-color:var(--text);--bs-accordion-btn-color:var(--text);--bs-accordion-border-width:0;--bs-accordion-active-bg:transparent;--bs-accordion-active-color:#fff;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-btn-padding-y:20px;--bs-accordion-btn-padding-x:24px;--bs-accordion-body-padding-y:0;--bs-accordion-body-padding-x:24px}
.ft-faq .accordion-item{background:linear-gradient(160deg,var(--card-a),var(--card-b));border:1px solid var(--line);border-radius:var(--r-md)!important;margin-bottom:12px;overflow:hidden;transition:border-color .25s ease}
.ft-faq .accordion-item:hover{border-color:rgba(61,232,255,.32)}
.ft-faq .accordion-button{background:transparent;font-size:16px;font-weight:600;color:var(--text);box-shadow:none;display:flex;align-items:center;gap:12px;min-height:44px}
.ft-faq .accordion-button:not(.collapsed){color:#fff;background:rgba(123,59,255,.10)}
.ft-faq .accordion-button::after{content:"+";background-image:none;font-size:22px;font-weight:400;line-height:1;color:var(--lime);width:32px;height:32px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line-hi);transform:none;transition:transform .3s ease,background .3s ease;flex:0 0 auto;margin-left:auto}
.ft-faq .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);background:rgba(182,255,61,.12)}
.ft-faq .accordion-body{color:var(--text-2);font-size:15px;padding-bottom:22px;line-height:1.9}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:104px;border-top:1px solid var(--line);position:relative;background:linear-gradient(180deg,rgba(18,12,31,.65),rgba(10,7,20,1));z-index:1}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--grad);opacity:.7}
.footer-main{padding:64px 0 44px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{color:var(--text-3);font-size:14px;margin-top:16px;max-width:320px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:#fff}
.footer-col li{margin-bottom:11px}
.footer-col a{color:var(--text-3);font-size:14px}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{display:flex;gap:10px;color:var(--text-3);font-size:14px;margin-bottom:11px}
.footer-contact i{color:var(--cyan);margin-top:6px;font-size:12px}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.footer-bottom .dotsep{color:#3A3358}
@media (max-width:991.98px){.footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}}
@media (max-width:575.98px){.footer-main{grid-template-columns:1fr}}

/* roulang page: article */
:root{
  --brand-1:#7B3BFF; --brand-2:#FF3D8B; --brand-3:#FF8A3D;
  --brand-grad:linear-gradient(100deg,#7B3BFF 0%,#FF3D8B 52%,#FF8A3D 100%);
  --lime:#B6FF3D; --cyan:#3DE8FF;
  --bg:#0A0714; --bg-2:#120C1F; --card-a:#1B1230; --card-b:#241640;
  --text:#F4F0FF; --text-2:#B6AEDA; --text-3:#7E76A6;
  --line:rgba(255,255,255,.08); --line-lime:rgba(182,255,61,.35);
  --ok:#3DD68C; --warn:#FFB020; --err:#FF5C6C;
  --r-lg:28px; --r-md:20px; --r-sm:12px; --r-pill:999px;
  --sh:0 24px 60px rgba(8,3,24,.55);
  --sh-brand:0 18px 40px rgba(123,59,255,.35);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:72px; --sp-7:104px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;
  color:var(--text);background:var(--bg);overflow-x:hidden;
}
body::before{
  content:"";position:fixed;top:-220px;left:-160px;width:720px;height:720px;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(123,59,255,.28) 0%,rgba(123,59,255,0) 68%);opacity:.9;
}
body::after{
  content:"";position:fixed;right:-120px;bottom:-260px;width:640px;height:640px;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(255,61,139,.18) 0%,rgba(255,61,139,0) 70%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--lime)}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
@media (min-width:1440px){.container{max-width:1360px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:linear-gradient(90deg,rgba(123,59,255,.22),rgba(255,61,139,.16));border-bottom:1px solid var(--line);font-size:13px;position:relative;z-index:30}
.topbar-inner{display:flex;align-items:center;gap:12px;height:38px}
.topbar-pill{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:var(--r-pill);background:rgba(182,255,61,.14);color:var(--lime);font-weight:700;font-size:12px;white-space:nowrap}
.topbar-text{color:var(--text-2);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-cta{color:var(--text);font-weight:600;white-space:nowrap}
.topbar-cta i{font-size:11px;margin-left:4px;transition:transform .2s ease}
.topbar-cta:hover i{transform:translateX(3px)}
.topbar-close{color:var(--text-3);width:28px;height:28px;border-radius:50%;display:grid;place-items:center}
.topbar-close:hover{color:var(--text);background:rgba(255,255,255,.06)}
.topbar.is-hidden{display:none}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(10,7,20,.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--brand-grad);opacity:.45}
.site-header.is-stuck{box-shadow:0 14px 34px rgba(6,2,18,.6)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.header-left,.header-right{display:flex;align-items:center;gap:24px}
.header-right{gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-grad);color:#fff;font-weight:800;font-size:17px;box-shadow:var(--sh-brand)
}
.brand-text{background:linear-gradient(100deg,#fff 0%,#E9DDFF 70%);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--text-2);font-weight:500;white-space:nowrap;
  transition:color .2s ease,background .2s ease,transform .2s ease
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);transform:translateY(-1px)}
.nav-link.active{color:var(--text);background:rgba(123,59,255,.16);box-shadow:inset 0 0 0 1px rgba(123,59,255,.4)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--brand-grad)}
.icon-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:var(--text-2);border:1px solid var(--line);transition:.2s ease}
.icon-btn:hover{color:var(--lime);border-color:var(--line-lime);transform:translateY(-1px)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);color:var(--text);place-items:center}
.menu-toggle:hover{border-color:var(--line-lime);color:var(--lime)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 22px 46px rgba(255,61,139,.4)}
.btn-ghost{border:1px solid rgba(255,255,255,.22);color:var(--text);background:transparent}
.btn-ghost:hover{color:#fff;border-color:transparent;background:var(--brand-grad);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-link{color:var(--text-2);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.btn-link i{transition:transform .2s ease}
.btn-link:hover{color:var(--lime)}
.btn-link:hover i{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 抽屉菜单 ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(5,2,14,.66);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:.25s ease;z-index:60}
.drawer{position:fixed;top:0;right:0;width:min(320px,86vw);height:100%;background:linear-gradient(160deg,var(--card-a),var(--card-b));
  border-left:1px solid var(--line);transform:translateX(102%);transition:transform .3s ease;z-index:70;display:flex;flex-direction:column;padding:20px}
.drawer-open .drawer{transform:translateX(0)}
.drawer-open .drawer-overlay{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:13px 14px;border-radius:var(--r-sm);color:var(--text-2);font-weight:600}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(123,59,255,.16);color:var(--text)}
.drawer-foot{margin-top:auto;display:grid;gap:12px}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 4px;font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:var(--text-3);font-size:11px}
.crumbs .now{color:var(--text-3)}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);margin-bottom:var(--sp-5)}
.article-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.42}
.article-hero-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,7,20,.94) 8%,rgba(18,12,31,.76) 46%,rgba(123,59,255,.34) 100%)}
.article-hero-inner{position:relative;padding:52px 48px 44px;max-width:900px}
.cat-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(182,255,61,.12);border:1px solid var(--line-lime);color:var(--lime);
  font-size:13px;font-weight:700;letter-spacing:.02em
}
.article-title{margin:18px 0 20px;font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.28}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--text-2)}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{color:var(--cyan);font-size:13px}
.meta-item .num{font-variant-numeric:tabular-nums;color:var(--text)}

/* ---------- 正文 ---------- */
.article-main{padding-bottom:var(--sp-6)}
.article-shell{max-width:800px;margin:0 auto}
.article-content{font-size:16px;line-height:1.9;color:var(--text-2)}
.article-content > * + *{margin-top:20px}
.article-content h2{
  position:relative;font-size:clamp(21px,2.4vw,27px);color:var(--text);margin-top:46px;padding-left:18px;
}
.article-content h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--brand-grad)}
.article-content h3{font-size:19px;color:var(--text);margin-top:34px}
.article-content p{color:var(--text-2)}
.article-content strong{color:var(--text)}
.article-content a{
  color:var(--text);text-decoration:underline;text-decoration-color:rgba(255,61,139,.65);text-underline-offset:4px;
  transition:.2s ease
}
.article-content a:hover{
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;text-decoration-color:transparent
}
.article-content ul,.article-content ol{padding-left:22px}
.article-content ul li,.article-content ol li{margin-top:10px;position:relative}
.article-content ul li{list-style:none}
.article-content ul li::before{content:"";position:absolute;left:-18px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--lime)}
.article-content ol{list-style:decimal}
.article-content ol li::marker{color:var(--cyan);font-weight:700}
.article-content blockquote{
  position:relative;margin:30px 0;padding:18px 22px 18px 26px;border-radius:0 var(--r-md) var(--r-md) 0;
  background:rgba(255,255,255,.035);color:var(--text);font-size:15.5px
}
.article-content blockquote::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:3px;background:var(--brand-grad)}
.article-content img{border-radius:var(--r-md);box-shadow:var(--sh);margin:28px auto}
.article-content figure{margin:28px 0}
.article-content figure img{margin:0 auto}
.article-content figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px}
.article-content table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;font-size:14.5px;margin:26px 0}
.article-content table th,.article-content table td{border:1px solid var(--line);padding:12px 14px;text-align:left;color:var(--text-2)}
.article-content table th{background:rgba(123,59,255,.16);color:var(--text);font-weight:700}
.article-content table tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.article-content hr{border:0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.02),rgba(255,255,255,.16),rgba(255,255,255,.02));margin:36px 0}

/* ---------- 正文尾部 ---------- */
.article-foot{
  margin-top:var(--sp-5);padding:24px;border-radius:var(--r-md);
  background:linear-gradient(150deg,var(--card-a),var(--card-b));border:1px solid var(--line)
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px}
.tag-row .tag-label{font-size:13px;color:var(--text-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);font-size:13px;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);transition:.2s ease
}
.tag:hover{color:var(--lime);border-color:var(--line-lime);transform:translateY(-2px)}
.share-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}
.share-row .share-label{font-size:13px;color:var(--text-3)}
.share-btns{display:flex;gap:10px}
.share-btns a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);color:var(--text-2)}
.share-btns a:hover{color:var(--lime);border-color:var(--line-lime);transform:translateY(-2px)}

/* ---------- 空态 ---------- */
.empty-article{
  padding:60px 32px;text-align:center;border-radius:var(--r-lg);border:1px dashed rgba(255,255,255,.16);
  background:linear-gradient(160deg,rgba(27,18,48,.7),rgba(36,22,64,.5))
}
.empty-article i{font-size:34px;color:var(--brand-2);margin-bottom:18px;display:block}
.empty-article h2{font-size:22px;color:var(--text);margin-bottom:10px}
.empty-article p{color:var(--text-2);font-size:15px;margin-bottom:24px}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-6) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:var(--sp-4)}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--cyan);letter-spacing:.06em;margin-bottom:10px}
.sec-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-grad)}
.sec-title{font-size:clamp(22px,2.6vw,32px)}
.sec-sub{color:var(--text-3);font-size:14px;margin-top:8px}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(155deg,var(--card-a),var(--card-b));box-shadow:var(--sh);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease
}
.rel-card:hover{transform:translateY(-6px);border-color:rgba(123,59,255,.55);box-shadow:var(--sh-brand)}
.rel-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-cover img{transform:scale(1.04)}
.rel-cover .rel-badge{
  position:absolute;left:12px;top:12px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;
  background:rgba(10,7,20,.7);color:var(--lime);border:1px solid var(--line-lime);backdrop-filter:blur(4px)
}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-body p{font-size:14px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{margin-top:auto;font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}

/* ---------- 上下篇 ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pager-card{
  display:flex;flex-direction:column;gap:8px;padding:22px 24px;border-radius:var(--r-md);
  border:1px solid var(--line);background:linear-gradient(150deg,rgba(27,18,48,.9),rgba(36,22,64,.7));
  transition:transform .25s ease,border-color .25s ease
}
.pager-card:hover{transform:translateY(-4px);border-color:rgba(255,61,139,.5)}
.pager-card .dir{font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:8px}
.pager-card .dir i{color:var(--cyan)}
.pager-card strong{font-size:16px;color:var(--text);font-weight:700;line-height:1.55}
.pager-card.next{text-align:right;align-items:flex-end}

/* ---------- 返回 ---------- */
.back-cta{display:flex;justify-content:center;margin-top:var(--sp-5)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:linear-gradient(180deg,rgba(18,12,31,.6),rgba(10,7,20,1));
  border-top:1px solid var(--line);padding-top:var(--sp-6);margin-top:var(--sp-6)
}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--brand-grad);opacity:.6}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.9;max-width:340px}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--lime)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-3)}
.footer-contact i{color:var(--cyan);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:var(--text-3)
}
.dotsep{margin:0 6px;color:var(--text-3)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .footer-main{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:992px){
  .nav-menu{display:none}
  .menu-toggle{display:grid}
  .header-inner{height:60px}
  .article-hero-inner{padding:38px 28px 32px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0}
  .article-main{padding-bottom:56px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .article-hero{margin-bottom:32px}
  .article-hero-inner{padding:32px 22px 28px}
  .article-title{margin:14px 0 16px}
  .crumbs{padding-top:16px}
  .rel-grid{grid-template-columns:1fr;gap:18px}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left;align-items:flex-start}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:34px}
  .footer-brand{grid-column:1 / -1}
  .section{padding:56px 0}
  .article-foot{padding:20px}
  .topbar-text{display:none}
}
@media (max-width:576px){
  .container{padding:0 16px}
  .brand-text{font-size:15px}
  .btn{width:100%}
  .header-right .btn{width:auto;padding:0 16px;min-height:40px;font-size:13.5px}
  .footer-main{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .article-hero-inner{padding:26px 18px 24px}
  .sec-title{font-size:22px}
}

/* roulang page: category1 */
:root{
  --brand-1:#7B3BFF; --brand-2:#FF3D8B; --brand-3:#FF8A3D;
  --lime:#B6FF3D; --cyan:#3DE8FF;
  --bg:#0A0714; --bg-2:#120C1F; --card-a:#1B1230; --card-b:#241640;
  --text:#F4F0FF; --text-2:#B6AEDA; --text-3:#7E76A6;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --ok:#3DD68C; --warn:#FFB020; --err:#FF5C6C;
  --r-lg:28px; --r-md:20px; --r-sm:12px; --r-pill:999px;
  --sh:0 24px 60px rgba(8,3,24,.55);
  --sh-hi:0 18px 40px rgba(123,59,255,.35);
  --grad:linear-gradient(100deg,#7B3BFF 0%,#FF3D8B 52%,#FF8A3D 100%);
  --grad-soft:linear-gradient(140deg,rgba(123,59,255,.22),rgba(255,61,139,.10));
  --sp:8px;
}
*,*::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","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:0;
  font-variant-numeric:tabular-nums;
  background-image:
    radial-gradient(900px 520px at 88% -8%,rgba(123,59,255,.20),transparent 62%),
    radial-gradient(700px 420px at 2% 12%,rgba(61,232,255,.07),transparent 60%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
a{color:var(--text);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease;}
a:hover{color:var(--lime);}
img{max-width:100%;display:block;}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;color:var(--text);}
h1{font-weight:800;font-size:clamp(30px,4.4vw,54px);}
h2{font-weight:700;font-size:clamp(24px,2.6vw,36px);}
h3{font-weight:700;font-size:20px;}
p{margin:0 0 12px;color:var(--text-2);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1360px;}}
.sec{padding:88px 0;position:relative;}
.sec-alt{background:var(--bg-2);}
.sec-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(182,255,61,.35);background:rgba(182,255,61,.07);
  color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;
}
.lead{font-size:17px;color:var(--text-2);max-width:720px;}

/* ============ 顶部信息条 ============ */
.topbar{background:linear-gradient(90deg,rgba(123,59,255,.22),rgba(255,61,139,.14),transparent);border-bottom:1px solid var(--line);}
.topbar .container{display:flex;align-items:center;gap:14px;min-height:38px;font-size:13px;color:var(--text-2);}
.topbar .pill{background:var(--grad);color:#fff;padding:2px 10px;border-radius:var(--r-pill);font-weight:700;font-size:12px;white-space:nowrap;}
.topbar .tb-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar a.tb-cta{color:var(--lime);font-weight:700;white-space:nowrap;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,7,20,.78);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--grad);opacity:.55;}
.header-inner{display:flex;align-items:center;gap:24px;min-height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;font-weight:800;color:#fff;font-size:18px;
  box-shadow:0 8px 22px rgba(123,59,255,.45);
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.brand:hover .brand-text{color:var(--lime);}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.nav-menu .nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r-pill);
  color:var(--text-2);font-size:15px;font-weight:600;background:transparent;border:1px solid transparent;
}
.nav-menu .nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);transform:translateY(-1px);}
.nav-menu .nav-link.active{
  color:#fff;background:rgba(123,59,255,.20);border-color:rgba(255,61,139,.45);
  box-shadow:inset 0 -2px 0 0 rgba(182,255,61,.75);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);cursor:pointer;transition:.22s;
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(61,232,255,.5);transform:translateY(-1px);}
.menu-toggle{display:none;}

/* 按钮 */
.btn-brand,.btn-ghost,.btn-link-more{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.24s;white-space:nowrap;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(123,59,255,.35);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,61,139,.42);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-2);}
.btn-ghost:hover{color:#fff;border-color:transparent;background:var(--grad);transform:translateY(-2px);}
.btn-link-more{background:transparent;border:none;padding:0;color:var(--lime);min-height:auto;}
.btn-link-more:hover{color:var(--cyan);gap:12px;}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-brand[disabled],.btn-ghost[disabled],.btn-brand:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero .hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.34;
}
.page-hero .hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,7,20,.96) 0%,rgba(10,7,20,.82) 45%,rgba(18,12,31,.72) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:72px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{color:var(--text-3);opacity:.7;}
.crumb .cur{color:var(--text-3);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-copy h1{margin-bottom:18px;}
.hero-copy h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:600px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.stat{
  display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.stat b{font-size:20px;font-weight:800;color:var(--lime);line-height:1;}
.stat span{font-size:13px;color:var(--text-3);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--line-2);box-shadow:var(--sh);
}
.hero-visual .glass-card{
  position:absolute;left:-18px;bottom:-22px;min-width:190px;padding:16px 18px;border-radius:var(--r-md);
  background:linear-gradient(140deg,#1B1230,#241640);border:1px solid rgba(61,232,255,.30);
  box-shadow:var(--sh-hi);
}
.hero-visual .glass-card b{display:block;font-size:22px;color:var(--cyan);font-weight:800;}
.hero-visual .glass-card span{font-size:13px;color:var(--text-3);}
.hero-visual .ring{
  position:absolute;right:-14px;top:-14px;width:86px;height:86px;border-radius:50%;
  background:var(--grad);display:grid;place-items:center;text-align:center;
  color:#fff;font-size:12px;font-weight:800;line-height:1.25;box-shadow:var(--sh-hi);
}

/* ============ 主列 + 侧栏 ============ */
.layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start;}
.entry-card{
  display:grid;grid-template-columns:200px 1fr;gap:24px;
  background:linear-gradient(150deg,#1B1230,#241640);
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;margin-bottom:20px;transition:.28s;position:relative;overflow:hidden;
}
.entry-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);opacity:0;transition:.28s;
}
.entry-card:hover{transform:translateY(-6px);border-color:rgba(182,255,61,.35);box-shadow:var(--sh-hi);}
.entry-card:hover::before{opacity:1;}
.entry-thumb{border-radius:var(--r-sm);overflow:hidden;background:#0F0A1C;}
.entry-thumb img{width:100%;height:132px;object-fit:cover;transition:transform .3s ease;}
.entry-card:hover .entry-thumb img{transform:scale(1.04);}
.entry-body{min-width:0;display:flex;flex-direction:column;gap:8px;}
.entry-title{font-size:20px;font-weight:700;}
.entry-title a:hover{color:var(--lime);}
.entry-desc{font-size:15px;color:var(--text-2);margin:0;line-height:1.8;}
.entry-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--text-3);}
.entry-meta i{color:var(--cyan);margin-right:6px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;border:1px solid rgba(123,59,255,.5);
  background:rgba(123,59,255,.14);color:#D9C7FF;width:fit-content;
}
.chip.lime{border-color:rgba(182,255,61,.45);background:rgba(182,255,61,.10);color:var(--lime);}
.chip.cyan{border-color:rgba(61,232,255,.45);background:rgba(61,232,255,.10);color:var(--cyan);}

/* 侧栏 */
.side-card{
  background:linear-gradient(150deg,#1B1230,#241640);
  border:1px solid var(--line);border-radius:var(--r-md);padding:22px;margin-bottom:20px;
}
.side-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand-2);}
.rank-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line);}
.rank-list li:last-child{border-bottom:none;padding-bottom:0;}
.rank-num{
  width:24px;height:24px;flex-shrink:0;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:800;background:rgba(255,255,255,.06);color:var(--text-2);
}
.rank-list li:nth-child(1) .rank-num{background:var(--grad);color:#fff;}
.rank-list li:nth-child(2) .rank-num{background:rgba(182,255,61,.18);color:var(--lime);}
.rank-list li:nth-child(3) .rank-num{background:rgba(61,232,255,.16);color:var(--cyan);}
.rank-list a{font-size:15px;color:var(--text-2);}
.rank-list a:hover{color:var(--lime);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a{
  padding:6px 14px;border-radius:var(--r-pill);font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.tag-cloud a:hover{color:var(--lime);border-color:rgba(182,255,61,.45);background:rgba(182,255,61,.08);}
.side-cta{
  background:var(--grad-soft);border:1px solid rgba(255,61,139,.35);border-radius:var(--r-md);
  padding:24px;text-align:left;
}
.side-cta h3{font-size:19px;margin-bottom:10px;}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:18px;}
.side-card.sticky{position:sticky;top:88px;}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step{
  background:linear-gradient(150deg,#1B1230,#241640);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px 22px;transition:.28s;position:relative;
}
.step:hover{transform:translateY(-6px);border-color:rgba(61,232,255,.35);box-shadow:var(--sh-hi);}
.step .no{
  font-size:28px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;line-height:1;margin-bottom:12px;display:block;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;margin:0;color:var(--text-3);}

/* ============ 场景 ============ */
.scene-list{display:grid;gap:16px;}
.scene{
  display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:center;
  background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 24px;transition:.28s;
}
.scene:hover{border-color:rgba(182,255,61,.35);background:rgba(255,255,255,.05);transform:translateX(4px);}
.scene .ic{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:20px;
  background:rgba(123,59,255,.16);border:1px solid rgba(123,59,255,.4);color:#C9B2FF;
}
.scene h3{font-size:18px;margin-bottom:6px;}
.scene p{margin:0;font-size:14px;color:var(--text-2);}
.scene .go{color:var(--lime);font-weight:700;font-size:14px;white-space:nowrap;}
.scene .go:hover{gap:10px;color:var(--cyan);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-bottom:12px;
  background:rgba(255,255,255,.03);transition:.25s;
}
.faq-item:hover{border-color:rgba(61,232,255,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:none;text-align:left;cursor:pointer;
  color:var(--text);font-size:16px;font-weight:700;min-height:44px;
}
.faq-q:hover{color:var(--lime);}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--lime);border-radius:2px;transition:transform .28s ease,opacity .28s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-q[aria-expanded="true"]{color:var(--text);}
.faq-a{padding:0 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85;border-top:1px solid var(--line);padding-top:18px;}
.faq-a p:last-child{margin-bottom:0;}

/* ============ CTA 横幅 ============ */
.cta-band{
  background:linear-gradient(120deg,rgba(123,59,255,.28),rgba(255,61,139,.20),rgba(255,138,61,.14));
  border:1px solid rgba(255,61,139,.35);border-radius:var(--r-lg);
  padding:44px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,255,61,.20),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);margin-bottom:10px;position:relative;z-index:2;}
.cta-band p{margin:0;max-width:620px;color:var(--text-2);position:relative;z-index:2;}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-2);border-top:1px solid var(--line);position:relative;padding-top:64px;margin-top:0;
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:var(--grad);opacity:.6;}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{font-size:14px;color:var(--text-3);margin-top:16px;max-width:320px;line-height:1.8;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text);}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:14px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:12px;align-items:flex-start;}
.footer-contact li i{color:var(--brand-2);margin-top:6px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:var(--text-3);
}
.dotsep{opacity:.5;margin:0 4px;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .layout{grid-template-columns:7fr 5fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  .header-inner{min-height:56px;gap:12px;}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);flex-direction:column;
    align-items:stretch;gap:6px;padding:84px 22px 32px;margin:0;
    background:#120C1F;border-left:1px solid var(--line-2);
    transform:translateX(100%);transition:transform .3s ease;z-index:1040;overflow-y:auto;
    box-shadow:-24px 0 60px rgba(8,3,24,.6);
  }
  body.nav-open .nav-menu{transform:translateX(0);}
  .nav-menu .nav-link{height:48px;border-radius:var(--r-sm);font-size:16px;padding:0 16px;}
  .menu-toggle{display:grid;}
  body.nav-open .menu-toggle i::before{content:"\f00d";}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{max-width:560px;}
  .layout{grid-template-columns:1fr;}
  .side-card.sticky{position:static;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
  .sec{padding:64px 0;}
  .page-hero .container{padding-top:40px;padding-bottom:52px;}
}
@media (max-width:768px){
  .entry-card{grid-template-columns:1fr;padding:18px;}
  .entry-thumb img{height:180px;}
  .steps{grid-template-columns:1fr;}
  .scene{grid-template-columns:48px 1fr;padding:18px;}
  .scene .go{grid-column:2;}
  .cta-band{padding:28px;}
  .footer-main{grid-template-columns:1fr;gap:28px;}
  .sec{padding:56px 0;}
  .hero-visual .glass-card{left:12px;bottom:-16px;}
  .hero-visual .ring{right:8px;top:-10px;width:72px;height:72px;font-size:11px;}
  .badge-row{gap:10px;}
  .stat{padding:8px 12px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .topbar .tb-cta{display:none;}
  .header-actions .btn-brand.btn-sm{padding:0 12px;font-size:13px;}
  .hero-cta .btn-brand,.hero-cta .btn-ghost{width:100%;}
  .entry-thumb img{height:160px;}
}

/* roulang page: category2 */
:root{
  --bg:#0A0714;
  --bg-2:#120C1F;
  --card-1:#1B1230;
  --card-2:#241640;
  --brand-1:#7B3BFF;
  --brand-2:#FF3D8B;
  --brand-3:#FF8A3D;
  --lime:#B6FF3D;
  --cyan:#3DE8FF;
  --text:#F4F0FF;
  --text-2:#B6AEDA;
  --text-3:#7E76A6;
  --line:rgba(255,255,255,.08);
  --line-hi:rgba(182,255,61,.35);
  --ok:#3DD68C;
  --warn:#FFB020;
  --err:#FF5C6C;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:12px;
  --r-pill:999px;
  --sd:0 24px 60px rgba(8,3,24,.55);
  --sd-hi:0 18px 40px rgba(123,59,255,.35);
  --grad:linear-gradient(100deg,#7B3BFF 0%,#FF3D8B 52%,#FF8A3D 100%);
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:72px; --s7:104px;
}
*{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","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(720px 420px at 82% -6%,rgba(123,59,255,.16),transparent 68%),
    radial-gradient(600px 360px at 6% 24%,rgba(61,232,255,.07),transparent 70%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--lime);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.num{font-variant-numeric:tabular-nums;}

/* ===== 顶部信息条 ===== */
.topbar{
  background:linear-gradient(90deg,rgba(123,59,255,.22),rgba(255,61,139,.16),rgba(255,138,61,.14));
  border-bottom:1px solid var(--line);
  font-size:13.5px;
  color:var(--text-2);
}
.topbar .container{
  min-height:38px;
  display:flex;
  align-items:center;
  gap:var(--s2);
  flex-wrap:wrap;
}
.topbar .pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-hi);
  color:var(--lime);
  font-size:12.5px;
  white-space:nowrap;
}
.topbar .topbar-text{flex:1 1 auto;min-width:180px;}
.topbar .topbar-link{color:var(--cyan);font-weight:600;white-space:nowrap;}
.topbar .topbar-link:hover{color:var(--lime);}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,7,20,.82);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  background:rgba(10,7,20,.94);
  box-shadow:0 14px 40px rgba(4,1,14,.6);
  border-bottom-color:rgba(123,59,255,.45);
}
.header-inner{
  min-height:64px;
  display:flex;
  align-items:center;
  gap:var(--s3);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  background:var(--grad);
  color:#fff;
  font-weight:800;
  font-size:17px;
  display:grid;
  place-items:center;
  box-shadow:var(--sd-hi);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap;}
.brand:hover .brand-text{color:var(--text);}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--text);transform:translateY(-1px);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{
  color:var(--text);
  background:rgba(123,59,255,.16);
  border:1px solid rgba(123,59,255,.4);
}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(61,232,255,.5);}
.menu-toggle{display:none;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .2s ease,color .2s ease;
}
.btn:focus-visible,.icon-btn:focus-visible,.nav-link:focus-visible,.tag-btn:focus-visible,.page-dot:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 28px rgba(123,59,255,.35);}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,61,139,.42);color:#fff;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.24);color:var(--text);}
.btn-ghost:hover{border-color:transparent;background:var(--grad);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:7px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  color:var(--cyan);
  border-bottom:1px solid rgba(61,232,255,.4);
  padding-bottom:2px;
}
.link-more i{transition:transform .25s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ===== 通用板块 ===== */
.section{padding:88px 0;position:relative;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{margin-bottom:var(--s5);max-width:760px;}
.sec-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-hi);
  color:var(--lime);
  font-size:13px;
  font-weight:600;
  margin-bottom:var(--s2);
}
.sec-head h2{font-size:clamp(24px,2.6vw,36px);margin-bottom:12px;}
.sec-head p{color:var(--text-2);font-size:15.5px;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ===== Hero ===== */
.page-hero{
  position:relative;
  padding:76px 0 72px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(10,7,20,.96) 0%,rgba(10,7,20,.78) 46%,rgba(10,7,20,.4) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center right;
  opacity:.9;
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--grad);
  opacity:.5;
}
.hero-inner{position:relative;z-index:2;max-width:840px;}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:var(--s3);
}
.crumb i{font-size:10px;color:var(--text-3);}
.crumb a{color:var(--text-2);}
.page-hero h1{
  font-size:clamp(30px,4.4vw,54px);
  font-weight:800;
  margin-bottom:18px;
}
.page-hero .lead{
  font-size:17px;
  color:var(--text-2);
  max-width:680px;
  margin-bottom:var(--s4);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;}
.badge-card{
  min-width:132px;
  padding:12px 18px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(27,18,48,.9),rgba(36,22,64,.72));
}
.badge-card .val{font-size:22px;font-weight:800;color:var(--lime);line-height:1.2;}
.badge-card .lbl{font-size:12.5px;color:var(--text-3);}

/* ===== 标签筛选条 ===== */
.tagbar{
  position:sticky;
  top:64px;
  z-index:40;
  background:rgba(18,12,31,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.tagbar-inner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tagbar-label{font-size:13.5px;color:var(--text-3);margin-right:6px;}
.tag-btn{
  min-height:40px;
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:all .22s ease;
}
.tag-btn:hover{color:var(--text);border-color:rgba(61,232,255,.5);transform:translateY(-1px);}
.tag-btn.is-active{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  box-shadow:0 10px 24px rgba(255,61,139,.3);
}

/* ===== 卡墙 ===== */
.wall-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.wall-card{
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:linear-gradient(165deg,var(--card-1),var(--card-2));
  box-shadow:var(--sd);
  overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.wall-card:hover{
  transform:translateY(-6px);
  border-color:rgba(123,59,255,.6);
  box-shadow:var(--sd),var(--sd-hi);
}
.wall-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.wall-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .32s ease;
}
.wall-card:hover .wall-media img{transform:scale(1.04);}
.wall-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,7,20,.05) 30%,rgba(10,7,20,.92) 100%);
}
.wall-tag{
  position:absolute;
  top:14px;left:14px;
  z-index:2;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:700;
  background:rgba(10,7,20,.72);
  border:1px solid var(--line-hi);
  color:var(--lime);
}
.wall-title{
  position:absolute;
  left:16px;right:16px;bottom:14px;
  z-index:2;
}
.wall-title h3{font-size:19px;margin-bottom:4px;}
.wall-title .sub{font-size:12.5px;color:var(--text-2);}
.wall-body{padding:18px 20px 20px;}
.wall-body p{font-size:14.5px;color:var(--text-2);margin-bottom:14px;}
.wall-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.hot{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--warn);
  font-weight:600;
}
.hot .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--warn);
  box-shadow:0 0 10px rgba(255,176,32,.8);
}
.wall-card.is-hidden{display:none;}
.empty-state{
  display:none;
  padding:56px 24px;
  border-radius:var(--r-md);
  border:1px dashed var(--line);
  text-align:center;
  color:var(--text-2);
}
.empty-state i{font-size:34px;color:var(--brand-2);margin-bottom:14px;display:block;}

/* ===== 静态分页 ===== */
.pager{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:10px;
  margin-top:var(--s5);
  flex-wrap:wrap;
}
.page-dot{
  min-width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  font-size:14.5px;
  font-weight:600;
  transition:all .22s ease;
}
.page-dot:hover{color:var(--text);border-color:rgba(123,59,255,.6);transform:translateY(-2px);}
.page-dot.is-current{background:var(--grad);color:#fff;border-color:transparent;}
.page-dot.is-disabled{opacity:.4;pointer-events:none;}

/* ===== 数据条 ===== */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.metric{
  padding:22px 20px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(27,18,48,.86),rgba(36,22,64,.6));
}
.metric .val{font-size:26px;font-weight:800;color:var(--cyan);line-height:1.2;}
.metric .lbl{font-size:13.5px;color:var(--text-3);margin-top:4px;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(27,18,48,.86),rgba(36,22,64,.6));
  overflow:hidden;
  transition:border-color .22s ease;
}
.faq-item[open]{border-color:rgba(123,59,255,.5);background:linear-gradient(160deg,rgba(36,22,64,.95),rgba(27,18,48,.85));}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 56px 18px 20px;
  font-weight:700;
  font-size:16px;
  position:relative;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  line-height:1;
  color:var(--cyan);
  transition:transform .25s ease,color .25s ease;
}
.faq-item[open] summary::after{content:"−";color:var(--brand-2);}
.faq-item .faq-body{
  padding:0 20px 20px;
  color:var(--text-2);
  font-size:15px;
}

/* ===== CTA ===== */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  padding:56px 48px;
  background:var(--grad);
  box-shadow:var(--sd-hi);
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s4);
  flex-wrap:wrap;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-120px;top:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 66%);
}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:620px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-light-solid{background:#fff;color:#4A1E9E;}
.cta-band .btn-light-solid:hover{color:#4A1E9E;transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.28);}
.cta-band .btn-line{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.cta-band .btn-line:hover{background:#0A0714;border-color:transparent;color:#fff;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:0;
  background:#080513;
  border-top:1px solid transparent;
  border-image:var(--grad) 1;
  padding-top:64px;
  position:relative;
  z-index:1;
}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--text-3);font-size:14.5px;max-width:320px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:var(--text-3);font-size:14.5px;}
.footer-col a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;color:var(--text-3);font-size:14px;align-items:flex-start;}
.footer-contact i{color:var(--cyan);margin-top:5px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  color:var(--text-3);
  font-size:13px;
}
.dotsep{opacity:.6;margin:0 4px;}

/* ===== 移动抽屉 ===== */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(5,2,12,.66);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  background:#120C1F;
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .3s ease;
  z-index:80;
  padding:24px 20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer .nav-link{display:block;margin-bottom:8px;border-radius:var(--r-sm);}
.drawer .nav-link::after{display:none;}
.drawer-cta{margin-top:20px;display:grid;gap:12px;}
body.no-scroll{overflow:hidden;}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .wall-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-main{grid-template-columns:1.3fr 1fr 1fr;gap:28px;}
}
@media (max-width:992px){
  .section{padding:64px 0;}
  .nav-menu{display:none;}
  .menu-toggle{display:grid;}
  .header-actions .btn{display:none;}
  .wall-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-main{grid-template-columns:1fr 1fr;}
  .tagbar{top:56px;}
  .page-hero{padding:56px 0 52px;}
  .cta-band{padding:40px 28px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .wall-grid{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{justify-content:flex-start;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .brand-text{font-size:15.5px;}
  .metrics{grid-template-columns:1fr 1fr;}
  .hero-badges{gap:10px;}
  .badge-card{min-width:calc(50% - 5px);padding:10px 14px;}
  .page-hero h1{font-size:30px;}
  .tag-btn{padding:7px 14px;font-size:13.5px;}
}

/* roulang page: category3 */
:root{
  --brand-1:#7B3BFF;
  --brand-2:#FF3D8B;
  --brand-3:#FF8A3D;
  --lime:#B6FF3D;
  --cyan:#3DE8FF;
  --bg:#0A0714;
  --bg-2:#120C1F;
  --card:#1B1230;
  --card-2:#241640;
  --text:#F4F0FF;
  --muted:#B6AEDA;
  --dim:#7E76A6;
  --line:rgba(255,255,255,.08);
  --line-lime:rgba(182,255,61,.35);
  --ok:#3DD68C;
  --warn:#FFB020;
  --err:#FF5C6C;
  --grad:linear-gradient(100deg,#7B3BFF 0%,#FF3D8B 52%,#FF8A3D 100%);
  --grad-soft:linear-gradient(140deg,#1B1230 0%,#241640 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:12px;
  --shadow:0 24px 60px rgba(8,3,24,.55);
  --shadow-glow:0 18px 40px rgba(123,59,255,.35);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:72px; --sp-7:104px;
}
*,*::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","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--lime);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){ .container{max-width:1360px;} }
.num{font-variant-numeric:tabular-nums;}
::selection{background:rgba(123,59,255,.45);color:#fff;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:6px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(10,7,20,.72);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:var(--grad);
  opacity:.55;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:800;
}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--grad);
  color:#fff;
  font-size:17px;
  font-weight:800;
  box-shadow:var(--shadow-glow);
}
.brand-text{
  font-size:18px;
  letter-spacing:-.01em;
  background:linear-gradient(92deg,#fff 20%,#FFD9E8 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--muted);
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-link:hover{
  color:var(--text);
  background:rgba(255,255,255,.05);
  transform:translateY(-1px);
}
.nav-link.active{
  color:var(--text);
  background:rgba(123,59,255,.18);
  box-shadow:inset 0 0 0 1px rgba(182,255,61,.28);
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
}
.icon-btn{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(61,232,255,.45);background:rgba(61,232,255,.08);}
.btn-grad,.btn-ghost,.btn-quiet{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-grad{
  background:var(--grad);
  color:#fff;
  box-shadow:0 12px 28px rgba(123,59,255,.32);
}
.btn-grad:hover{
  transform:translateY(-2px);
  color:#fff;
  box-shadow:0 18px 40px rgba(255,61,139,.4);
}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:rgba(255,255,255,.22);
}
.btn-ghost:hover{
  color:#fff;
  border-color:transparent;
  background:var(--grad);
  transform:translateY(-2px);
}
.btn-quiet{
  background:rgba(255,255,255,.05);
  color:var(--text);
  border-color:var(--line);
  min-height:40px;
  padding:0 18px;
  font-weight:600;
}
.btn-quiet:hover{color:var(--lime);border-color:var(--line-lime);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--cyan);
  border-bottom:1px solid rgba(61,232,255,.4);
  padding-bottom:2px;
}
.link-more i{transition:transform .2s ease;}
.link-more:hover{color:var(--lime);border-color:var(--line-lime);}
.link-more:hover i{transform:translateX(4px);}
.burger{display:none;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(5,2,12,.65);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  background:linear-gradient(180deg,#150E28,#0D0819);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  z-index:1050;
  padding:24px 22px 32px;
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-size:15px;color:var(--dim);letter-spacing:.04em;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:14px;
  color:var(--muted);
  font-size:15px;
  border:1px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.active{
  color:var(--text);
  background:rgba(123,59,255,.16);
  border-color:rgba(182,255,61,.22);
}
.drawer-cta{margin-top:auto;}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 64px;
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center right;
  opacity:.34;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(680px 320px at 12% 8%,rgba(123,59,255,.42),transparent 70%),
    linear-gradient(90deg,rgba(10,7,20,.96) 0%,rgba(10,7,20,.78) 45%,rgba(10,7,20,.42) 100%);
  pointer-events:none;
}
.hero-dots{
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.12;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:32px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line-lime);
  background:rgba(182,255,61,.08);
  color:var(--lime);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.page-hero h1{
  margin:20px 0 16px;
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  line-height:1.18;
  max-width:820px;
}
.page-hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  max-width:680px;
  font-size:17px;
  color:var(--muted);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:40px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.stat-item{min-width:120px;}
.stat-num{
  font-size:26px;
  font-weight:800;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-label{font-size:13px;color:var(--dim);margin-top:4px;}

/* ============ 锚点目录 ============ */
.anchor-bar{
  position:sticky;
  top:64px;
  z-index:1020;
  background:rgba(12,8,24,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:14px 0;
  scrollbar-width:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.anchor-pill:hover{
  color:var(--text);
  border-color:var(--line-lime);
  background:rgba(182,255,61,.08);
  transform:translateY(-1px);
}
.anchor-pill.is-active{
  color:#fff;
  background:var(--grad);
  border-color:transparent;
  box-shadow:0 10px 24px rgba(123,59,255,.32);
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.alt{background:var(--bg-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .tag-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--cyan);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,36px);
  font-weight:700;
  margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16px;}
.section-head.split{
  max-width:none;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
}
.section-head.split > div{max-width:720px;}

/* ============ 图文交替长条 ============ */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  margin-bottom:88px;
}
.feature-row:last-child{margin-bottom:0;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--grad-soft);
  box-shadow:var(--shadow);
  aspect-ratio:16/11;
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.feature-media:hover img{transform:scale(1.04);}
.feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,7,20,0) 40%,rgba(10,7,20,.62) 100%);
  pointer-events:none;
}
.feature-media .float-tag{
  position:absolute;
  left:20px;bottom:20px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:36px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(10,7,20,.72);
  border:1px solid var(--line-lime);
  color:var(--lime);
  font-size:13px;
  font-weight:700;
  backdrop-filter:blur(6px);
}
.feature-body h3{
  font-size:22px;
  font-weight:700;
  margin-bottom:14px;
}
.feature-body > p{color:var(--muted);margin-bottom:20px;}
.feature-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.feature-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text);
}
.feature-list li i{
  flex:0 0 auto;
  margin-top:6px;
  color:var(--lime);
  font-size:14px;
}
.feature-list li span{color:var(--muted);}
.feature-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:24px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.chip.hot{
  color:var(--lime);
  border-color:var(--line-lime);
  background:rgba(182,255,61,.08);
}

/* ============ 参数对比块 ============ */
.compare-wrap{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--grad-soft);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
table.compare-table{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:15px;
}
.compare-table thead th{
  position:sticky;
  top:0;
  z-index:2;
  background:linear-gradient(180deg,#241640,#1B1230);
  color:var(--muted);
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:20px 22px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.compare-table thead th.reco{
  color:#fff;
  background:linear-gradient(180deg,rgba(123,59,255,.5),rgba(255,61,139,.24));
  box-shadow:inset 0 2px 0 0 var(--brand-2);
}
.reco-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  min-height:22px;
  padding:0 10px;
  border-radius:999px;
  background:rgba(182,255,61,.16);
  color:var(--lime);
  font-size:12px;
  font-weight:700;
}
.compare-table tbody th{
  text-align:left;
  font-weight:600;
  color:var(--text);
  padding:18px 22px;
  background:rgba(255,255,255,.02);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.compare-table tbody td{
  padding:18px 22px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}
.compare-table tbody tr:hover td,
.compare-table tbody tr:hover th{background:rgba(123,59,255,.09);}
.compare-table .yes{color:var(--lime);font-weight:700;}
.compare-table .no{color:var(--dim);}
.group-row td{
  background:rgba(61,232,255,.07);
  color:var(--cyan);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  padding:12px 22px;
}
.compare-foot{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  padding:22px 24px;
  border-top:1px solid var(--line);
  background:rgba(10,7,20,.35);
}
.compare-foot p{font-size:14px;color:var(--dim);}

/* ============ 数据卡网格 ============ */
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.metric-card{
  padding:28px 24px;
  border-radius:var(--r-md);
  background:var(--grad-soft);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.metric-card:hover{
  transform:translateY(-6px);
  border-color:rgba(182,255,61,.35);
  box-shadow:var(--shadow-glow);
}
.metric-card .metric-ico{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:14px;
  background:rgba(123,59,255,.18);
  color:var(--cyan);
  font-size:18px;
  margin-bottom:16px;
  box-shadow:inset 0 0 0 1px rgba(61,232,255,.24);
}
.metric-card h3{font-size:18px;margin-bottom:10px;}
.metric-card p{font-size:14px;color:var(--muted);}
.metric-card .metric-value{
  font-size:30px;
  font-weight:800;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  margin-bottom:6px;
}

/* ============ CTA 横幅 ============ */
.cta-banner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:56px 48px;
  background:linear-gradient(120deg,rgba(123,59,255,.95),rgba(255,61,139,.9) 55%,rgba(255,138,61,.9));
  box-shadow:var(--shadow-glow);
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  align-items:center;
  justify-content:space-between;
}
.cta-banner::before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-120px;top:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.35),transparent 68%);
  pointer-events:none;
}
.cta-banner .cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-banner h2{
  font-size:clamp(22px,2.4vw,32px);
  color:#fff;
  margin-bottom:12px;
}
.cta-banner p{color:rgba(255,255,255,.9);font-size:15px;}
.cta-banner .cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;}
.cta-banner .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-banner .btn-ghost:hover{background:#0A0714;border-color:transparent;color:#fff;}
.cta-banner .btn-white{
  background:#fff;
  color:#1B1230;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.cta-banner .btn-white:hover{transform:translateY(-2px);color:#1B1230;box-shadow:0 16px 34px rgba(10,7,20,.35);}

/* ============ 表单 ============ */
.form-panel{
  border-radius:var(--r-lg);
  background:var(--grad-soft);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:32px;
}
.form-label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  margin-bottom:8px;
}
.form-control,.form-select{
  width:100%;
  min-height:48px;
  padding:10px 16px;
  border-radius:var(--r-sm);
  background:rgba(10,7,20,.55);
  border:1px solid var(--line);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{min-height:120px;resize:vertical;line-height:1.7;}
.form-control::placeholder{color:var(--dim);}
.form-control:focus,.form-select:focus{
  background:rgba(10,7,20,.75);
  border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(61,232,255,.16);
  color:var(--text);
  outline:none;
}
.form-check-input{
  width:18px;height:18px;
  margin-top:5px;
  background-color:rgba(10,7,20,.6);
  border:1px solid var(--line);
}
.form-check-input:checked{background-color:var(--brand-1);border-color:var(--brand-1);}
.form-check-label{font-size:14px;color:var(--muted);}
.trust-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--muted);}
.trust-list li i{color:var(--lime);margin-top:6px;}
.notice-ok{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--r-sm);
  background:rgba(61,214,140,.12);
  border:1px solid rgba(61,214,140,.35);
  color:var(--ok);
  font-size:14px;
}
.notice-ok.show{display:block;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.accordion-item{
  background:var(--grad-soft);
  border:1px solid var(--line);
  border-radius:var(--r-md) !important;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.accordion-button{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  background:transparent;
  color:var(--text);
  font-size:16px;
  font-weight:700;
  text-align:left;
  border:0;
  cursor:pointer;
  transition:color .2s ease,background .2s ease;
}
.accordion-button:hover{color:var(--lime);}
.accordion-button:not(.collapsed){
  color:#fff;
  background:rgba(123,59,255,.14);
  box-shadow:none;
}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--cyan);outline-offset:-2px;}
.accordion-button::after{
  content:"";
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background-color:rgba(255,255,255,.06);
  background-image:linear-gradient(var(--lime),var(--lime)),linear-gradient(var(--lime),var(--lime));
  background-size:12px 2px,2px 12px;
  background-position:center center,center center;
  background-repeat:no-repeat;
  box-shadow:inset 0 0 0 1px var(--line);
  transition:background-size .25s ease,transform .25s ease;
}
.accordion-button:not(.collapsed)::after{
  background-size:12px 2px,2px 0;
  transform:rotate(180deg);
}
.accordion-body{
  padding:4px 24px 22px;
  color:var(--muted);
  font-size:15px;
  background:rgba(10,7,20,.25);
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--dim);
  padding:20px 0 0;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--lime);}
.crumb i{font-size:10px;color:var(--dim);}
.crumb .current{color:var(--dim);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:104px;
  background:#0C0818;
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:var(--grad);
  opacity:.6;
}
.footer-main{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--dim);max-width:340px;}
.footer-col h4{
  font-size:15px;
  color:var(--text);
  margin-bottom:18px;
  font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{font-size:14px;color:var(--muted);}
.footer-col ul a:hover{color:var(--lime);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:var(--dim);
}
.footer-contact li i{color:var(--cyan);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--dim);
}
.dotsep{margin:0 6px;color:var(--brand-2);}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .footer-main{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:992px){
  .nav-menu{display:none;}
  .header-actions .btn-grad{display:none;}
  .burger{display:grid;}
  .header-inner{height:56px;}
  .anchor-bar{top:56px;}
  .site-header{position:sticky;}
  .section{padding:64px 0;}
  .page-hero{padding:52px 0 48px;}
  .feature-row{grid-template-columns:1fr;gap:28px;margin-bottom:64px;}
  .feature-row.reverse .feature-media{order:0;}
  .cta-banner{padding:36px 28px;}
  .site-footer{margin-top:72px;}
  .footer-main{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head.split{flex-direction:column;align-items:flex-start;}
  .hero-stats{gap:20px;margin-top:30px;}
  .stat-item{min-width:calc(50% - 10px);}
  .metric-grid{grid-template-columns:1fr;}
  .form-panel{padding:24px 18px;}
  .compare-table{min-width:680px;}
  .compare-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:576px){
  .brand-text{font-size:16px;}
  .page-hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{width:100%;}
  .cta-banner{border-radius:var(--r-md);}
  .cta-banner .cta-actions{width:100%;}
  .cta-banner .btn-white,.cta-banner .btn-ghost{width:100%;}
  .footer-main{grid-template-columns:1fr;gap:28px;padding:44px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .accordion-button{font-size:15px;padding:16px 18px;}
  .accordion-body{padding:4px 18px 18px;}
}