/* roulang page: index */
:root{
  --bg-900:#100E17;--bg-800:#171425;--bg-700:#1F1B2E;--bg-soft:#F6F4FB;
  --brand-1:#7C3AED;--brand-2:#FF3D8B;--brand-grad:linear-gradient(135deg,#7C3AED 0%,#FF3D8B 100%);
  --gold:#FFC53D;--cyan:#2DD4BF;
  --text-1:#F4F1FF;--text-2:#B4AEC7;--text-3:#7D7790;--line:rgba(255,255,255,.08);
  --ink-1:#191428;--ink-2:#4B4460;--ink-3:#7A7390;--ink-line:rgba(25,20,40,.10);
  --r-sm:12px;--r-md:16px;--r-lg:20px;--r-xl:24px;--r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);--sh-2:0 18px 44px rgba(0,0,0,.5);--sh-brand:0 12px 32px rgba(255,61,139,.28);
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg-900);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:1rem;line-height:1.9;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--brand-2);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;margin:0;text-align:left;letter-spacing:.01em;}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .35s var(--ease),backdrop-filter .35s var(--ease),border-color .35s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(16,14,23,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:76px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);
  display:grid;place-items:center;color:#fff;font-size:1rem;
  box-shadow:var(--sh-brand);
}
.brand-text{font-size:1.0625rem;font-weight:800;letter-spacing:.02em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;font-size:.9375rem;
  color:var(--text-2);border-radius:var(--r-sm);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav-links a:hover{color:var(--text-1);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text-1);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;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,.04);color:var(--text-2);display:grid;place-items:center;
  cursor:pointer;transition:all .3s var(--ease);
}
.icon-btn:hover{color:var(--text-1);background:rgba(255,255,255,.09);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border:0;border-radius:var(--r-pill);cursor:pointer;
  color:#fff;font-weight:700;font-size:.9375rem;
  background-image:var(--brand-grad);background-size:180% 180%;background-position:0% 50%;
  transition:background-position .4s var(--ease),box-shadow .4s var(--ease),transform .3s var(--ease);
}
.btn-brand:hover{color:#fff;background-position:100% 50%;box-shadow:var(--sh-brand);transform:translateY(-2px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);cursor:pointer;font-weight:600;font-size:.9375rem;
  color:var(--text-1);background:transparent;border:1px solid rgba(255,255,255,.18);
  transition:background .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
}
.btn-ghost:hover{color:var(--text-1);background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.32);transform:translateY(-2px);}
.btn-sm{padding:9px 20px;font-size:.875rem;}
.nav-cta{display:inline-flex;}
.burger{display:none;}

/* 移动端频道胶囊横滑条 */
.chip-bar{display:none;padding:0 16px 12px;overflow-x:auto;gap:10px;-webkit-overflow-scrolling:touch;}
.chip-bar::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);font-size:.875rem;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);white-space:nowrap;
}
.chip.active{
  color:var(--text-1);border-color:transparent;
  background:linear-gradient(var(--bg-800),var(--bg-800)) padding-box,var(--brand-grad) border-box;
  border:1px solid transparent;
}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:380px;z-index:1100;
  background:var(--bg-800);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .4s var(--ease);
  display:flex;flex-direction:column;padding:22px 20px 28px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-search{
  display:flex;align-items:center;gap:10px;background:var(--bg-700);border:1px solid var(--line);
  border-radius:var(--r-md);padding:12px 14px;margin-bottom:18px;
}
.drawer-search input{flex:1;background:transparent;border:0;outline:none;font-size:.9375rem;color:var(--text-1);}
.drawer-search input::placeholder{color:var(--text-3);}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:1rem;border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--text-1);background:rgba(255,255,255,.05);}
.drawer-foot{margin-top:auto;padding-top:22px;color:var(--text-3);font-size:.8125rem;line-height:2;}
.drawer-foot strong{color:var(--text-2);font-weight:600;}
.overlay{
  position:fixed;inset:0;background:rgba(8,6,14,.66);z-index:1050;opacity:0;visibility:hidden;
  transition:opacity .35s var(--ease),visibility .35s var(--ease);
}
.overlay.show{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.hero{position:relative;min-height:min(86vh,720px);display:flex;align-items:center;margin-top:-76px;padding:120px 0 60px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 80% at 18% 8%,rgba(124,58,237,.42) 0%,rgba(124,58,237,0) 58%),
    linear-gradient(180deg,rgba(16,14,23,.62) 0%,rgba(16,14,23,.72) 45%,rgba(16,14,23,.96) 88%,var(--bg-900) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:660px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:.75rem;letter-spacing:.08em;
  color:var(--text-2);text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--brand-grad);}
.hero .eyebrow{margin-bottom:18px;color:var(--brand-2);}
.hero-title{
  font-size:clamp(2rem,4.6vw,3.5rem);line-height:1.15;font-weight:800;margin-bottom:20px;
  background:linear-gradient(120deg,#FFFFFF 32%,#E7DDFF 70%,#FFC9DF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.0625rem;color:var(--text-2);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:.8125rem;color:var(--text-2);
}
.badge-pill b{color:var(--gold);font-weight:800;font-variant-numeric:tabular-nums;}
.badge-pill b.cy{color:var(--cyan);}
.scroll-hint{
  position:absolute;right:34px;bottom:34px;z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px;
  font-size:.75rem;letter-spacing:.08em;color:var(--text-3);
}
.scroll-hint i{display:block;width:1px;height:52px;background:linear-gradient(180deg,var(--brand-2),rgba(255,61,139,0));animation:hint 2.2s infinite;}
@keyframes hint{0%{opacity:.2;transform:scaleY(.4);}50%{opacity:1;transform:scaleY(1);}100%{opacity:.2;transform:scaleY(.4);}}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section-dark{background:var(--bg-900);}
.section-deep{background:var(--bg-800);}
.section-light{background:var(--bg-soft);color:var(--ink-1);}
.section-light p{color:var(--ink-2);}
.sec-head{display:flex;align-items:flex-end;gap:20px;margin-bottom:38px;flex-wrap:wrap;}
.sec-head .sec-left{flex:1 1 auto;min-width:240px;}
.sec-head h2{font-size:clamp(1.5rem,2.8vw,2.25rem);line-height:1.2;font-weight:700;margin-top:12px;}
.section-light .sec-head h2{color:var(--ink-1);}
.sec-more{font-size:.875rem;color:var(--text-2);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.section-light .sec-more{color:var(--ink-2);}
.sec-more:hover{color:var(--brand-2);}
.sec-desc{color:var(--text-2);font-size:.9375rem;margin-top:12px;max-width:640px;}
.section-light .sec-desc{color:var(--ink-2);}

/* 横滑片库 */
.hscroll-wrap{position:relative;}
.hscroll{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;padding:6px 2px 14px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.hscroll::-webkit-scrollbar{display:none;}
.hscroll > .poster{flex:0 0 232px;scroll-snap-align:start;}
.hscroll-nav{display:flex;gap:10px;}
.poster{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:2/3;background:var(--bg-700);
  box-shadow:var(--sh-1);transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.poster::after{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(135deg,rgba(124,58,237,.95),rgba(255,61,139,.95));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .35s var(--ease);pointer-events:none;
}
.poster:hover{transform:translateY(-6px);box-shadow:var(--sh-2);}
.poster:hover img{transform:scale(1.05);}
.poster:hover::after{opacity:1;}
.poster-cap{
  position:absolute;left:0;right:0;bottom:0;padding:44px 16px 16px;
  background:linear-gradient(180deg,rgba(16,14,23,0) 0%,rgba(16,14,23,.86) 62%,rgba(16,14,23,.97) 100%);
}
.poster-cap h3{font-size:1rem;font-weight:700;line-height:1.5;margin-bottom:4px;}
.poster-cap span{font-size:.8125rem;color:var(--text-2);}
.poster-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.8);
  width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.92);color:#1a1426;
  display:grid;place-items:center;font-size:1rem;opacity:0;transition:all .35s var(--ease);
}
.poster:hover .poster-play{opacity:1;transform:translate(-50%,-50%) scale(1);}
.tag-dot{
  position:absolute;top:12px;left:12px;padding:4px 10px;border-radius:var(--r-pill);
  font-size:.75rem;font-weight:600;color:#fff;background:rgba(16,14,23,.72);
  border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(6px);
}
.tag-dot.live{color:#0b2b27;background:var(--cyan);border-color:transparent;font-weight:800;}

/* 热播推荐 不对称版式 */
.spotlight{
  position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:16/9;background:var(--bg-700);
  box-shadow:var(--sh-2);display:block;
}
.spotlight img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.spotlight:hover img{transform:scale(1.04);}
.spotlight-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px;background:linear-gradient(180deg,rgba(16,14,23,.05) 30%,rgba(16,14,23,.9) 100%);
}
.spotlight-mask h3{font-size:1.5rem;font-weight:800;margin-bottom:10px;}
.spotlight-mask p{color:var(--text-2);font-size:.9375rem;margin-bottom:14px;max-width:520px;}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:.8125rem;color:var(--text-3);}
.chip-tag{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);font-size:.75rem;font-weight:600;
  color:var(--text-2);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
}
.rank-list{display:flex;flex-direction:column;gap:14px;}
.rank-row{
  display:flex;align-items:center;gap:16px;padding:14px 16px;border-radius:var(--r-md);
  background:var(--bg-800);border:1px solid var(--line);transition:all .35s var(--ease);
}
.rank-row:hover{transform:translateY(-4px);border-color:rgba(255,61,139,.4);background:var(--bg-700);}
.rank-no{
  font-size:1.5rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;flex:0 0 42px;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.rank-main{flex:1 1 auto;min-width:0;}
.rank-main h3{font-size:1rem;font-weight:700;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-main span{font-size:.8125rem;color:var(--text-3);}
.rank-score{
  flex:0 0 auto;font-size:.875rem;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;
}

/* 最新信息（浅色区块） */
.news-card{
  height:100%;background:#fff;border:1px solid var(--ink-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:0 8px 26px rgba(25,20,40,.06);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(25,20,40,.12);}
.news-tag{
  align-self:flex-start;display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  font-size:.75rem;font-weight:700;color:#fff;background:var(--brand-grad);margin-bottom:14px;
}
.news-title{font-size:1.1875rem;font-weight:700;line-height:1.55;margin-bottom:12px;color:var(--ink-1);}
.news-card:hover .news-title{
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.news-excerpt{
  color:var(--ink-2);font-size:.9375rem;line-height:1.85;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px solid var(--ink-line);font-size:.8125rem;color:var(--ink-3);
}
.news-meta a{color:var(--brand-1);font-weight:700;}
.news-meta a:hover{color:var(--brand-2);}
.empty-state{
  border:1px dashed rgba(25,20,40,.2);border-radius:var(--r-lg);background:#fff;
  padding:56px 24px;text-align:center;color:var(--ink-2);
}
.empty-state i{font-size:2rem;color:var(--brand-1);display:block;margin-bottom:14px;}
.empty-state a{
  display:inline-block;margin-top:16px;padding:10px 24px;border-radius:var(--r-pill);
  background:var(--brand-grad);color:#fff;font-weight:700;font-size:.875rem;
}

/* 片单 Tab */
.pill-tabs{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.pill-tab{
  padding:10px 22px;border-radius:var(--r-pill);font-size:.9375rem;font-weight:600;cursor:pointer;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:all .3s var(--ease);
}
.pill-tab:hover{color:var(--text-1);border-color:rgba(255,255,255,.24);}
.pill-tab.active{
  color:#fff;border-color:transparent;background-image:var(--brand-grad);box-shadow:var(--sh-brand);
}
.stagger{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stagger .stagger-item:nth-child(2n){margin-top:34px;}
.stagger .stagger-item:nth-child(3n){margin-top:16px;}
.stagger-item{display:block;}
.stagger-item .poster{aspect-ratio:3/4;}
.stagger-cap{padding-top:14px;}
.stagger-cap h3{font-size:1rem;font-weight:700;margin-bottom:6px;}
.stagger-cap p{font-size:.8125rem;color:var(--text-3);margin:0;}

/* FAQ */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;position:relative;transition:border-color .3s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-grad);
  transform:scaleY(0);transform-origin:top;transition:transform .35s var(--ease);
}
.faq-item.open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:1.0625rem;font-weight:700;color:var(--text-2);transition:color .3s var(--ease);
}
.faq-item.open .faq-q{color:var(--text-1);}
.faq-q .fx{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);font-size:.8125rem;color:var(--text-2);
  transition:transform .35s var(--ease),background .35s var(--ease),color .35s var(--ease);
}
.faq-item.open .fx{transform:rotate(180deg);background:var(--brand-grad);color:#fff;border-color:transparent;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .4s var(--ease);
}
.faq-a p{padding:0 24px 22px;color:var(--text-2);font-size:.9375rem;line-height:1.9;}

/* CTA 条带 */
.cta-band{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background-image:var(--brand-grad);padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-brand);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.6) 0 2px,transparent 2px 14px);
}
.cta-band h2{position:relative;z-index:2;color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;margin-bottom:10px;}
.cta-band p{position:relative;z-index:2;color:rgba(255,255,255,.88);margin:0;font-size:.9375rem;}
.btn-white{
  position:relative;z-index:2;display:inline-flex;align-items:center;gap:10px;
  padding:14px 32px;border-radius:var(--r-pill);background:#fff;color:#221133;font-weight:800;
  border:0;cursor:pointer;transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.btn-white:hover{color:#221133;transform:translateY(-3px);box-shadow:0 16px 34px rgba(0,0,0,.28);}

/* 表单 */
.subscribe{
  display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;
}
.field{flex:1 1 240px;display:flex;flex-direction:column;gap:8px;}
.field label{font-size:.8125rem;color:var(--text-2);letter-spacing:.02em;}
.field input,.field textarea{
  background:var(--bg-700);border:1px solid var(--line);border-radius:var(--r-md);
  padding:13px 16px;color:var(--text-1);outline:none;width:100%;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{
  border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(255,61,139,.16);
}
.form-note{font-size:.8125rem;color:var(--text-3);margin-top:14px;}

/* 页脚 */
.site-footer{
  position:relative;background:var(--bg-800);padding-top:72px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--brand-grad);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-about{color:var(--text-2);font-size:.875rem;line-height:1.9;max-width:320px;}
.footer-title{font-size:.9375rem;font-weight:700;color:var(--text-1);margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:var(--text-2);font-size:.875rem;}
.footer-links a:hover{color:var(--brand-2);}
.footer-contact li{color:var(--text-2);font-size:.875rem;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--brand-2);margin-top:6px;font-size:.75rem;}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);padding:24px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--text-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);cursor:pointer;
  transition:all .3s var(--ease);
}
.to-top:hover{color:var(--text-1);background:rgba(255,255,255,.08);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-links a{padding:8px 9px;font-size:.875rem;}
  .brand-text{font-size:1rem;}
  .hscroll > .poster{flex:0 0 208px;}
  .stagger{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991.98px){
  .nav-links,.nav-cta{display:none;}
  .burger{display:grid;}
  .chip-bar{display:flex;}
  .nav-wrap{height:68px;}
  .hero{margin-top:-68px;padding:104px 0 52px;min-height:auto;}
  .section{padding:56px 0;}
  .container-x{padding-left:20px;padding-right:20px;}
  .stagger{grid-template-columns:repeat(2,1fr);gap:20px;}
  .stagger .stagger-item:nth-child(2n),.stagger .stagger-item:nth-child(3n){margin-top:0;}
  .cta-band{padding:40px 32px;}
  .scroll-hint{display:none;}
}
@media (max-width:767.98px){
  .hero-title{font-size:clamp(1.75rem,7.4vw,2.4rem);}
  .hero-sub{font-size:1rem;}
  .section{padding:40px 0;}
  .container-x{padding-left:16px;padding-right:16px;}
  .hscroll{gap:16px;}
  .hscroll > .poster{flex:0 0 68vw;scroll-snap-align:start;}
  .sec-head{margin-bottom:26px;}
  .spotlight{aspect-ratio:4/3;border-radius:var(--r-lg);}
  .spotlight-mask{padding:22px;}
  .spotlight-mask h3{font-size:1.25rem;}
  .cta-band{padding:34px 22px;border-radius:var(--r-lg);}
  .news-card{padding:20px;}
  .faq-q{padding:16px 18px;font-size:1rem;}
  .faq-a p{padding:0 18px 18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .stagger{grid-template-columns:1fr 1fr;gap:16px;}
  .stagger-item .poster{aspect-ratio:2/3;}
  .cta-band{text-align:left;}
  .btn-brand,.btn-ghost{padding:11px 20px;font-size:.875rem;}
  .footer-about{max-width:100%;}
}

/* roulang page: article */
:root{
  --bg-900:#100E17;
  --bg-800:#171425;
  --bg-700:#1F1B2E;
  --bg-soft:#F6F4FB;
  --brand-1:#7C3AED;
  --brand-2:#FF3D8B;
  --brand-grad:linear-gradient(135deg,#7C3AED 0%,#FF3D8B 100%);
  --gold:#FFC53D;
  --cyan:#2DD4BF;
  --text-1:#F4F1FF;
  --text-2:#B4AEC7;
  --text-3:#7D7790;
  --text-body:#D8D3E6;
  --line:rgba(255,255,255,.08);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 18px 44px rgba(0,0,0,.5);
  --sh-brand:0 12px 32px rgba(255,61,139,.28);
  --container:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
a:hover{color:#fff;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.25;text-align:left;}
p{margin:0 0 1.25em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px;}
.container-x{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}

/* ---------- buttons ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.6rem;border:0;border-radius:var(--r-pill);
  background-image:var(--brand-grad);background-size:180% 180%;background-position:0% 50%;
  color:#fff;font-weight:600;font-size:.95rem;line-height:1.2;
  box-shadow:0 10px 26px rgba(124,58,237,.3);
  transition:background-position .45s cubic-bezier(.2,.7,.3,1),transform .3s,box-shadow .3s;
}
.btn-brand:hover{color:#fff;background-position:100% 50%;transform:translateY(-2px);box-shadow:var(--sh-brand);}
.btn-brand.btn-sm{padding:.58rem 1.15rem;font-size:.875rem;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.6rem;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);background:transparent;
  color:var(--text-1);font-weight:600;font-size:.95rem;line-height:1.2;
  transition:background .3s,border-color .3s,transform .3s;
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3);transform:translateY(-2px);color:#fff;}
.link-more{color:var(--text-2);font-size:.875rem;display:inline-flex;align-items:center;gap:.4rem;white-space:nowrap;}
.link-more:hover{color:#fff;}
.link-more i{transition:transform .3s;}
.link-more:hover i{transform:translateX(4px);}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease;
}
.site-header.is-stuck{
  background:rgba(16,14,23,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:1.5rem;padding:18px 0;}
.brand{display:inline-flex;align-items:center;gap:.6rem;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background-image:var(--brand-grad);color:#fff;font-size:.85rem;
  box-shadow:0 8px 20px rgba(124,58,237,.35);
}
.brand-text{font-size:1.05rem;font-weight:800;letter-spacing:.02em;color:#fff;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:1.35rem;margin-left:auto;}
.nav-links a{
  position:relative;font-size:.9rem;color:var(--text-2);padding:6px 2px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background-image:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;font-weight:600;}
.nav-right{display:flex;align-items:center;gap:.7rem;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,.04);
  color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  transition:color .25s,background .25s,border-color .25s,transform .25s;
}
.icon-btn:hover{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);transform:translateY(-2px);}
.burger{display:none;}
.chip-bar{display:none;}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:1200;visibility:hidden;pointer-events:none;}
.drawer.open{visibility:visible;pointer-events:auto;}
.drawer-mask{position:absolute;inset:0;background:rgba(6,5,10,.72);opacity:0;transition:opacity .3s;}
.drawer.open .drawer-mask{opacity:1;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:84vw;max-width:400px;
  background:var(--bg-800);border-left:1px solid var(--line);
  padding:22px 20px 32px;display:flex;flex-direction:column;gap:1.1rem;
  transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.7,.3,1);
  overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-search{display:flex;gap:.5rem;}
.drawer-search input{
  flex:1;background:var(--bg-700);border:1px solid var(--line);border-radius:var(--r-md);
  color:var(--text-1);padding:.7rem .9rem;font-size:.9rem;
}
.drawer-search input::placeholder{color:var(--text-3);}
.drawer-search input:focus{outline:none;border-color:rgba(255,61,139,.6);box-shadow:0 0 0 3px rgba(124,58,237,.18);}
.drawer-search button{
  width:46px;border:0;border-radius:var(--r-md);background-image:var(--brand-grad);color:#fff;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  min-height:48px;display:flex;align-items:center;justify-content:space-between;
  color:var(--text-2);font-size:.95rem;border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.active{color:#fff;}
.drawer-foot{color:var(--text-3);font-size:.8125rem;margin-top:auto;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:158px 0 62px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 380px at 18% 0%,rgba(124,58,237,.42),transparent 68%),
    linear-gradient(180deg,rgba(16,14,23,.72) 0%,rgba(16,14,23,.86) 55%,var(--bg-900) 100%);
}
.page-hero > .container-x{position:relative;z-index:2;}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-size:.8125rem;color:var(--text-3);margin-bottom:1.1rem;}
.breadcrumb-x a{color:var(--text-3);}
.breadcrumb-x a:hover{color:#fff;}
.breadcrumb-x .current{color:var(--text-1);}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.75rem;letter-spacing:.08em;color:var(--brand-2);font-weight:600;
  text-transform:uppercase;margin-bottom:.9rem;
}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background-image:var(--brand-grad);}
.page-hero h1{
  font-size:clamp(1.7rem,3.6vw,2.7rem);font-weight:800;line-height:1.22;max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;margin-top:1.35rem;
}
.meta-pill{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.35rem .8rem;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
  font-size:.8125rem;color:var(--text-2);
}
.meta-pill.brand{color:var(--brand-2);border-color:rgba(255,61,139,.35);background:rgba(255,61,139,.1);}
.meta-pill .num{color:var(--gold);font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- article ---------- */
.article-section{padding:64px 0 80px;}
.article-wrap{max-width:780px;margin:0 auto;}
.article-body{
  background:linear-gradient(180deg,rgba(31,27,46,.55) 0%,rgba(23,20,37,.35) 100%);
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:38px 40px 30px;box-shadow:var(--sh-1);
}
.article-content{color:var(--text-body);font-size:1.0625rem;line-height:1.95;}
.article-content p{margin:0 0 1.3em;}
.article-content h2{
  position:relative;font-size:clamp(1.25rem,2.2vw,1.6rem);color:var(--text-1);
  margin:2.2em 0 .8em;padding-left:18px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.28em;width:6px;height:1.05em;border-radius:3px;
  background-image:var(--brand-grad);
}
.article-content h3{font-size:1.15rem;color:var(--text-1);margin:1.8em 0 .6em;}
.article-content h2:first-child,.article-content h3:first-child{margin-top:0;}
.article-content a{color:var(--brand-2);border-bottom:1px solid rgba(255,61,139,.4);}
.article-content a:hover{color:#fff;border-bottom-color:#fff;}
.article-content ul,.article-content ol{margin:0 0 1.3em;padding-left:0;}
.article-content ul li{position:relative;padding-left:22px;margin-bottom:.5em;}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background-image:var(--brand-grad);
}
.article-content ol{counter-reset:olc;padding-left:0;}
.article-content ol li{position:relative;padding-left:28px;margin-bottom:.5em;counter-increment:olc;}
.article-content ol li::before{
  content:counter(olc);position:absolute;left:0;top:.35em;
  width:20px;height:20px;border-radius:50%;font-size:.72rem;line-height:20px;text-align:center;
  background:rgba(124,58,237,.25);color:#fff;font-variant-numeric:tabular-nums;
}
.article-content blockquote{
  margin:1.6em 0;padding:16px 22px;border-radius:var(--r-md);
  background:var(--bg-800);border-left:4px solid transparent;
  border-image:var(--brand-grad) 1;color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{width:100%;border-radius:var(--r-lg);margin:1.6em 0 .6em;box-shadow:var(--sh-1);}
.article-content figure{margin:0;}
.article-content figcaption{text-align:center;font-size:.8125rem;color:var(--text-3);margin-bottom:1.4em;}
.article-content table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:1.6em 0;font-size:.95rem;border-radius:var(--r-md);}
.article-content th,.article-content td{padding:.7rem .9rem;border:1px solid var(--line);text-align:left;}
.article-content thead th{background:var(--bg-700);color:var(--text-1);}
.article-content tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.article-content hr{border:0;height:1px;background:var(--line);margin:2.2em 0;}

.tag-row{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:2rem;padding-top:1.6rem;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.34rem .85rem;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  font-size:.8125rem;color:var(--text-2);transition:all .25s;
}
.tag:hover{color:#fff;border-color:rgba(255,61,139,.5);background:rgba(255,61,139,.12);}

.empty-state{text-align:center;padding:34px 20px 12px;}
.empty-state .icon{
  width:70px;height:70px;margin:0 auto 1.1rem;border-radius:22px;
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#fff;
  background:linear-gradient(135deg,rgba(124,58,237,.6),rgba(255,61,139,.5));
}
.empty-state h2{font-size:1.2rem;color:var(--text-1);margin-bottom:.6rem;text-align:center;}
.empty-state p{color:var(--text-2);font-size:.9rem;margin-bottom:1.4rem;}

/* ---------- related ---------- */
.related-section{padding:0 0 80px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:2rem;flex-wrap:wrap;}
.section-head .eyebrow{margin-bottom:.55rem;}
.section-head h2{font-size:clamp(1.4rem,2.6vw,2rem);}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-800);border:1px solid var(--line);
  transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s;
}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-700);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.3,1);}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,14,23,0) 45%,rgba(16,14,23,.85) 100%);
}
.rel-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:.24rem .7rem;border-radius:var(--r-pill);font-size:.72rem;font-weight:600;
  background:rgba(16,14,23,.7);border:1px solid rgba(255,255,255,.16);color:var(--cyan);
}
.rel-body{padding:16px 18px 20px;}
.rel-body h3{font-size:1rem;color:var(--text-1);line-height:1.5;margin-bottom:.5rem;transition:color .25s;}
.rel-card:hover .rel-body h3{background-image:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.rel-body p{font-size:.8125rem;color:var(--text-3);margin:0;}

.back-row{display:flex;justify-content:center;margin-top:2.6rem;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background-image:var(--brand-grad);
  padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:1.6rem;
  box-shadow:var(--sh-brand);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.09) 0 2px,transparent 2px 16px);
  opacity:.5;pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(1.35rem,2.6vw,1.9rem);color:#fff;margin-bottom:.35rem;}
.cta-band p{margin:0;color:rgba(255,255,255,.85);font-size:.9rem;}
.cta-band .btn-white{
  position:relative;z-index:2;flex:0 0 auto;
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.82rem 1.7rem;border-radius:var(--r-pill);border:0;
  background:#fff;color:#1B1230;font-weight:700;font-size:.95rem;
  transition:transform .3s,box-shadow .3s;
}
.cta-band .btn-white:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.3);color:#1B1230;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:20px;padding:70px 0 26px;
  background:var(--bg-800);border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background-image:var(--brand-grad);
  clip-path:polygon(0 0,100% 0,100% 40%,0 100%);
}
.footer-brand{display:flex;align-items:center;gap:.6rem;margin-bottom:1rem;}
.footer-about{color:var(--text-3);font-size:.875rem;line-height:1.85;margin:0;max-width:340px;}
.footer-title{font-size:.95rem;color:var(--text-1);margin-bottom:1.1rem;}
.footer-links li{margin-bottom:.6rem;}
.footer-links a{color:var(--text-3);font-size:.875rem;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;align-items:flex-start;gap:.6rem;color:var(--text-3);font-size:.875rem;margin-bottom:.7rem;}
.footer-contact i{color:var(--brand-2);margin-top:.35rem;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  margin-top:3rem;padding-top:1.4rem;border-top:1px solid var(--line);
  color:var(--text-3);font-size:.8125rem;
}
.to-top{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.5rem 1.05rem;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);font-size:.8125rem;
  transition:all .25s;
}
.to-top:hover{color:#fff;border-color:rgba(255,61,139,.5);background:rgba(255,61,139,.12);}

@media (max-width:1199.98px){
  .rel-grid{gap:20px;}
}
@media (max-width:991.98px){
  .container-x{padding:0 20px;}
  .nav-links{display:none;}
  .burger{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-wrap{padding:14px 0;}
  .chip-bar{
    display:flex;gap:.6rem;padding:0 20px 12px;overflow-x:auto;
    scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
  }
  .chip-bar::-webkit-scrollbar{display:none;}
  .chip{
    flex:0 0 auto;scroll-snap-align:start;
    padding:.4rem .95rem;border-radius:var(--r-pill);
    border:1px solid var(--line);background:rgba(255,255,255,.05);
    font-size:.8125rem;color:var(--text-2);white-space:nowrap;
  }
  .chip.active{color:#fff;border-color:transparent;background-image:var(--brand-grad);}
  .page-hero{padding:132px 0 52px;}
  .article-section{padding:46px 0 60px;}
  .article-body{padding:26px 22px 22px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 26px;}
  .related-section{padding-bottom:60px;}
}
@media (max-width:767.98px){
  .page-hero{padding:118px 0 42px;}
  .meta-row{gap:.45rem;}
  .meta-pill{font-size:.75rem;padding:.3rem .68rem;}
  .rel-grid{grid-template-columns:1fr;gap:16px;}
  .cta-band .btn-white{width:100%;justify-content:center;}
  .footer-about{max-width:none;}
  .site-footer{padding:52px 0 22px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px;}
  .chip-bar{padding:0 16px 12px;}
  .article-body{padding:20px 16px 18px;border-radius:var(--r-lg);}
  .article-content{font-size:1rem;}
  .brand-text{font-size:.98rem;}
}

/* roulang page: category1 */
:root{
  --bg-900:#100E17;--bg-800:#171425;--bg-700:#1F1B2E;--bg-soft:#F6F4FB;
  --brand-1:#7C3AED;--brand-2:#FF3D8B;--brand-grad:linear-gradient(135deg,#7C3AED 0%,#FF3D8B 100%);
  --gold:#FFC53D;--cyan:#2DD4BF;
  --text-1:#F4F1FF;--text-2:#B4AEC7;--text-3:#7D7790;--line:rgba(255,255,255,.08);
  --r-sm:12px;--r-md:16px;--r-lg:20px;--r-xl:24px;--r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);--sh-2:0 18px 44px rgba(0,0,0,.5);
  --sh-brand:0 12px 32px rgba(255,61,139,.28);
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-900);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease}
a:hover{color:#fff}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:.01em;text-align:left}
p{margin:0 0 1.25em;color:var(--text-2)}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container-x{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:80px 0;position:relative}
.section-alt{background:var(--bg-800)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:.75rem;letter-spacing:.08em;
  color:var(--text-3);text-transform:uppercase;margin-bottom:12px
}
.sec-eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--brand-grad)}
.sec-title{font-size:clamp(1.5rem,2.8vw,2.25rem)}
.sec-more{font-size:.875rem;color:var(--text-2);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.sec-more:hover{color:var(--brand-2)}
.sec-lead{max-width:640px;margin-top:14px;color:var(--text-2);font-size:.9375rem}

/* header */
.site-header{position:sticky;top:0;z-index:1030;background:transparent;transition:background .3s ease,box-shadow .3s ease;padding-top:6px}
.site-header.scrolled{background:rgba(16,14,23,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-grad);color:#fff;font-size:.8rem;box-shadow:var(--sh-brand)
}
.brand-text{font-weight:800;font-size:1.0625rem;letter-spacing:.02em;color:var(--text-1)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;padding:10px 12px;font-size:.9375rem;color:var(--text-2);border-radius:10px
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .3s ease
}
.nav-links a:hover{color:var(--text-1)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text-1)}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-1);display:grid;place-items:center;cursor:pointer;transition:.25s ease
}
.icon-btn:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand-grad);color:#fff;font-weight:700;border:none;cursor:pointer;
  border-radius:var(--r-pill);padding:13px 26px;font-size:.9375rem;
  transition:transform .3s ease,box-shadow .3s ease,filter .3s ease;box-shadow:0 8px 20px rgba(124,58,237,.25)
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-brand);filter:saturate(1.1)}
.btn-brand.btn-sm{padding:10px 20px;font-size:.875rem}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid rgba(255,255,255,.18);background:transparent;color:var(--text-1);
  border-radius:var(--r-pill);padding:13px 26px;font-size:.9375rem;font-weight:600;cursor:pointer;
  transition:.3s ease
}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateY(-2px)}
.burger{display:none}
.chip-bar{display:none;gap:10px;padding:0 24px 12px;overflow-x:auto;scrollbar-width:none}
.chip-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);font-size:.8125rem;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);white-space:nowrap
}
.chip.active{border-color:transparent;background:var(--brand-grad);color:#fff;font-weight:600}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(6,5,10,.6);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:.3s;z-index:1040}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--bg-800);
  border-left:1px solid var(--line);transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.7,.3,1);
  z-index:1050;padding:24px 22px;overflow-y:auto;display:flex;flex-direction:column;gap:20px
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-search{display:flex;align-items:center;gap:10px;background:var(--bg-700);border:1px solid var(--line);border-radius:var(--r-md);padding:10px 14px}
.drawer-search input{flex:1;background:transparent;border:none;color:var(--text-1);font-size:.9375rem;outline:none}
.drawer-search input::placeholder{color:var(--text-3)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  min-height:48px;display:flex;align-items:center;justify-content:space-between;
  padding:0 4px;border-bottom:1px solid var(--line);color:var(--text-2);font-size:.9375rem
}
.drawer-nav a.active,.drawer-nav a:hover{color:var(--text-1)}
.drawer-nav a i{font-size:.75rem;color:var(--text-3)}
.drawer-foot{margin-top:auto;font-size:.8125rem;color:var(--text-3);line-height:1.9}

/* breadcrumb */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--text-3);padding:18px 0 0}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--text-1)}
.crumb span.sep{color:var(--text-3)}
.crumb span.cur{color:var(--text-1)}

/* hero */
.page-hero{position:relative;padding:64px 0 72px;overflow:hidden;isolation:isolate}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(120% 90% at 15% 0%,rgba(124,58,237,.42) 0%,rgba(16,14,23,.6) 55%,rgba(16,14,23,.97) 100%),
             linear-gradient(180deg,rgba(16,14,23,.6) 0%,rgba(16,14,23,.92) 72%,var(--bg-900) 100%);
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);font-size:.8125rem;color:var(--text-2);
  margin-bottom:20px
}
.hero-tag i{color:var(--cyan);font-size:.6rem}
.hero-title{font-size:clamp(2rem,4.6vw,3.5rem);max-width:820px;margin-bottom:18px}
.hero-title em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{max-width:620px;font-size:1.0625rem;color:var(--text-2);margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{
  display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
  font-size:.8125rem;color:var(--text-2);white-space:nowrap
}
.stat-badge b{font-size:1.0625rem;color:var(--gold);font-variant-numeric:tabular-nums;font-weight:800}
.stat-badge b.cy{color:var(--cyan)}

/* filter */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.filter-pill{
  padding:9px 20px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:.875rem;cursor:pointer;transition:.25s ease
}
.filter-pill:hover{color:var(--text-1);background:rgba(255,255,255,.08)}
.filter-pill.active{background:var(--brand-grad);color:#fff;border-color:transparent;font-weight:600;box-shadow:0 8px 20px rgba(124,58,237,.28)}

/* poster grid */
.poster-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px}
.poster-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--bg-800);
  box-shadow:var(--sh-1);transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s ease
}
.poster-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.poster-media{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--bg-700)}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.poster-card:hover .poster-media img{transform:scale(1.05)}
.poster-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,14,23,0) 40%,rgba(16,14,23,.82) 78%,rgba(16,14,23,.96) 100%)
}
.poster-body{position:absolute;left:0;right:0;bottom:0;padding:14px 14px 16px;z-index:2}
.poster-title{font-size:.9375rem;font-weight:700;margin-bottom:6px;color:var(--text-1)}
.poster-meta{font-size:.75rem;color:var(--text-3);display:flex;align-items:center;gap:8px}
.poster-meta i{color:var(--cyan);font-size:.5rem}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.tag{
  display:inline-block;padding:3px 9px;border-radius:var(--r-pill);font-size:.6875rem;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.07);color:var(--text-2)
}
.tag.gold{color:var(--gold);border-color:rgba(255,197,61,.35);background:rgba(255,197,61,.1)}
.hover-layer{
  position:absolute;inset:0;z-index:3;display:grid;place-items:center;
  background:rgba(16,14,23,.62);opacity:0;transition:opacity .3s ease
}
.poster-card:hover .hover-layer,.poster-card:focus-within .hover-layer{opacity:1}
.play-dot{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-grad);color:#fff;font-size:1rem;box-shadow:var(--sh-brand)
}
.poster-card.is-hidden{display:none}
.grid-foot{display:flex;justify-content:center;margin-top:44px}

/* spec strip */
.spec-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:8px}
.spec-item{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-1);transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .3s ease
}
.spec-item:hover{transform:translateY(-6px);border-color:rgba(255,61,139,.35)}
.spec-num{font-size:1.75rem;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;margin-bottom:8px}
.spec-name{font-size:1rem;font-weight:700;margin-bottom:8px}
.spec-item p{font-size:.875rem;line-height:1.8}

/* steps */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step-card{
  position:relative;background:linear-gradient(160deg,rgba(124,58,237,.16) 0%,rgba(31,27,46,.6) 60%);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 22px;overflow:hidden
}
.step-idx{
  font-size:2.25rem;font-weight:800;line-height:1;margin-bottom:14px;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums
}
.step-card h3{font-size:1.0625rem;margin-bottom:8px}
.step-card p{font-size:.875rem;line-height:1.8}

/* light block */
.light-block{background:var(--bg-soft);color:#231F33;padding:80px 0}
.light-block .sec-eyebrow{color:#6E6885}
.light-block .sec-title,.light-block h3{color:#1B1729}
.light-block p{color:#4C4760}
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.quote-card{
  background:#fff;border-radius:var(--r-lg);padding:28px 24px;box-shadow:0 10px 30px rgba(35,31,51,.08);
  border:1px solid rgba(35,31,51,.06)
}
.quote-card i{color:var(--brand-2);font-size:1.125rem;margin-bottom:14px;display:block}
.quote-card p{font-size:.9375rem;line-height:1.85;margin-bottom:16px}
.quote-who{font-size:.8125rem;color:#7D7790}

/* faq */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-md)!important;
  margin-bottom:14px;overflow:hidden
}
.accordion-button{
  background:transparent;color:var(--text-1);font-size:1rem;font-weight:700;
  padding:20px 22px;box-shadow:none!important;border-radius:var(--r-md)!important;
  display:flex;align-items:center;gap:14px
}
.accordion-button::after{display:none}
.accordion-button::before{
  content:"+";font-size:1.25rem;font-weight:400;color:var(--text-2);
  transition:transform .3s ease,color .3s ease;line-height:1;width:18px;text-align:center
}
.accordion-button:not(.collapsed){background:rgba(255,255,255,.03);color:var(--text-1)}
.accordion-button:not(.collapsed)::before{content:"−";transform:rotate(180deg);color:var(--brand-2)}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid transparent;border-image:var(--brand-grad) 1}
.accordion-body{padding:0 22px 22px 54px;color:var(--text-2);font-size:.9375rem;line-height:1.9}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:52px 48px;
  background:var(--brand-grad);box-shadow:var(--sh-brand);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.07) 0 2px,rgba(255,255,255,0) 2px 22px);
  pointer-events:none
}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2rem);color:#fff;position:relative;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.86);position:relative;max-width:560px;margin:0}
.cta-band .btn-white{
  position:relative;background:#fff;color:#3B1256;border:none;border-radius:var(--r-pill);
  padding:14px 30px;font-weight:800;cursor:pointer;white-space:nowrap;transition:.3s ease
}
.cta-band .btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,0,0,.28)}

/* footer */
.site-footer{position:relative;background:var(--bg-800);padding:72px 0 0;margin-top:0}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--brand-grad)
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-about{font-size:.875rem;line-height:1.9;color:var(--text-2);max-width:340px}
.footer-title{font-size:.9375rem;font-weight:700;color:var(--text-1);margin-bottom:18px}
.footer-links li,.footer-contact li{margin-bottom:11px}
.footer-links a{font-size:.875rem;color:var(--text-2)}
.footer-links a:hover{color:var(--brand-2)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--text-2)}
.footer-contact i{color:var(--brand-2);margin-top:6px;font-size:.8125rem}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--text-3)
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--text-2);border-radius:var(--r-pill);
  padding:9px 18px;font-size:.8125rem;cursor:pointer;transition:.25s ease
}
.to-top:hover{color:#fff;background:rgba(255,255,255,.12)}

@media (max-width:1199px){
  .poster-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .spec-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .burger{display:grid}
  .chip-bar{display:flex}
  .site-header{background:rgba(16,14,23,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .nav-wrap{height:64px;gap:16px}
  .nav-right{margin-left:auto}
  .section{padding:56px 0}
  .page-hero{padding:48px 0 56px}
  .poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .quote-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 32px}
  .light-block{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .section{padding:40px 0}
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .spec-strip,.step-grid{grid-template-columns:1fr;gap:16px}
  .hero-sub{font-size:1rem}
  .hero-actions{gap:10px}
  .btn-brand,.btn-ghost{padding:12px 22px;font-size:.875rem;width:100%}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .stat-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .stat-row::-webkit-scrollbar{display:none}
  .stat-badge{flex:0 0 auto}
  .cta-band{flex-direction:column;text-align:center;padding:34px 22px}
  .cta-band h2{text-align:center}
  .cta-band .btn-white{width:100%}
  .accordion-body{padding:0 18px 20px 46px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .light-block{padding:44px 0}
}
@media (max-width:519px){
  .poster-grid{grid-template-columns:1fr 1fr;gap:14px}
  .poster-title{font-size:.875rem}
  .spec-num{font-size:1.5rem}
}

/* roulang page: category2 */
:root{
  --bg-900:#100E17;--bg-800:#171425;--bg-700:#1F1B2E;--bg-soft:#F6F4FB;
  --brand-1:#7C3AED;--brand-2:#FF3D8B;
  --brand-grad:linear-gradient(135deg,#7C3AED 0%,#FF3D8B 100%);
  --gold:#FFC53D;--cyan:#2DD4BF;
  --text-1:#F4F1FF;--text-2:#B4AEC7;--text-3:#7D7790;
  --line:rgba(255,255,255,.08);
  --r-sm:12px;--r-md:16px;--r-lg:20px;--r-xl:24px;--r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);--sh-2:0 18px 44px rgba(0,0,0,.5);
  --sh-brand:0 12px 32px rgba(255,61,139,.28);
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-900);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:1rem;line-height:1.9;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:#fff}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-family:inherit;text-align:left;color:var(--text-1)}
h1{font-size:clamp(2rem,4.6vw,3.5rem);line-height:1.15;font-weight:800}
h2{font-size:clamp(1.5rem,2.8vw,2.25rem);line-height:1.2;font-weight:700}
h3{font-size:1.25rem;line-height:1.5;font-weight:700}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container-x{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.sec{padding:80px 0}
.sec-alt{background:var(--bg-800)}
.sec-head{display:flex;align-items:flex-end;gap:20px;justify-content:space-between;margin-bottom:36px}
.sec-head .sec-title-block{max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.75rem;letter-spacing:.08em;color:var(--brand-2);font-weight:700;margin-bottom:12px;
}
.eyebrow::before{content:"";display:block;width:24px;height:2px;border-radius:2px;background:var(--brand-grad)}
.sec-desc{color:var(--text-2);font-size:.95rem;margin-top:12px;max-width:660px}
.more-link{color:var(--text-2);font-size:.9rem;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.more-link:hover{color:var(--brand-2)}
.more-link i{font-size:.75rem;transition:transform .25s ease}
.more-link:hover i{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;transition:background .3s ease,box-shadow .3s ease}
.site-header.scrolled{background:rgba(16,14,23,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-header.scrolled .chip-bar{border-bottom-color:transparent}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;font-size:1.08rem;letter-spacing:.02em}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#fff;font-size:.85rem;box-shadow:var(--sh-brand);flex:none;
}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;font-size:.94rem;color:var(--text-2)}
.nav-links a{position:relative;padding:6px 0}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.nav-links a:hover{color:var(--text-1)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text-1)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.2)}
.icon-btn:focus-visible,.btn-brand:focus-visible,.btn-ghost:focus-visible,.to-top:focus-visible,a:focus-visible{
  outline:2px solid var(--brand-2);outline-offset:2px;
}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);border:0;cursor:pointer;
  background:var(--brand-grad);background-size:160% 160%;background-position:0% 50%;
  color:#fff;font-weight:700;font-size:.94rem;letter-spacing:.01em;
  transition:background-position .45s ease,transform .3s ease,box-shadow .3s ease;box-shadow:0 8px 20px rgba(124,58,237,.25);
}
.btn-brand:hover{background-position:100% 50%;transform:translateY(-2px);box-shadow:var(--sh-brand);color:#fff}
.btn-brand.btn-sm{padding:9px 18px;font-size:.875rem}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);cursor:pointer;
  border:1px solid rgba(255,255,255,.18);background:transparent;color:var(--text-1);
  font-weight:600;font-size:.94rem;transition:background .25s ease,border-color .25s ease,transform .3s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3);transform:translateY(-2px);color:#fff}
.btn-plain{color:var(--brand-2);font-weight:600;display:inline-flex;align-items:center;gap:8px}
.btn-plain span{border-bottom:2px solid transparent;transition:border-color .25s ease}
.btn-plain:hover span{border-color:var(--brand-2)}
.burger{display:none}
.chip-bar{display:none;gap:10px;overflow-x:auto;padding:0 24px 12px;border-bottom:1px solid var(--line);scrollbar-width:none}
.chip-bar::-webkit-scrollbar{display:none}
.chip{
  flex:none;padding:8px 16px;border-radius:var(--r-pill);font-size:.85rem;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);white-space:nowrap;
}
.chip.active{color:#fff;border-color:transparent;background:var(--brand-grad);box-shadow:0 6px 16px rgba(124,58,237,.3)}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,6,14,.6);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:1040;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:380px;z-index:1050;
  background:var(--bg-800);border-left:1px solid var(--line);padding:24px 22px 32px;
  transform:translateX(102%);transition:transform .35s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.drawer.show{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-search{display:flex;align-items:center;gap:10px;background:var(--bg-700);border:1px solid var(--line);border-radius:var(--r-md);padding:10px 14px}
.drawer-search input{background:transparent;border:0;outline:0;color:var(--text-1);width:100%;font-size:.92rem}
.drawer-search input::placeholder{color:var(--text-3)}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  min-height:48px;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--line);color:var(--text-2);font-size:.98rem;
}
.drawer-links a:hover,.drawer-links a.active{color:var(--text-1)}
.drawer-links a.active::before{content:"";position:relative;left:0}
.drawer-links a.active i{color:var(--brand-2)}
.drawer-contact{border-top:1px solid var(--line);padding-top:18px;color:var(--text-3);font-size:.85rem;display:flex;flex-direction:column;gap:10px}
.drawer-contact span{display:flex;align-items:center;gap:8px}

/* ---------- 面包屑 ---------- */
.crumb{font-size:.8125rem;color:var(--text-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand-2)}
.crumb .sep{color:var(--text-3)}
.crumb .now{color:var(--text-1)}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:52px 0 64px;
  background-image:linear-gradient(180deg,rgba(16,14,23,.55) 0%,rgba(16,14,23,.9) 62%,var(--bg-900) 100%),
    radial-gradient(900px 480px at 12% -10%,rgba(124,58,237,.4),transparent 65%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover,cover,cover;background-position:center,center,center;
}
.page-hero-inner{max-width:720px;margin-top:26px}
.hero-lead{color:var(--text-2);font-size:1.02rem;margin-top:18px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.stat-badge{
  display:inline-flex;align-items:center;gap:10px;padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);font-size:.85rem;color:var(--text-2);
}
.stat-badge b{color:var(--gold);font-size:1rem;font-variant-numeric:tabular-nums;font-weight:800}
.stat-badge.cyan b{color:var(--cyan)}

/* ---------- 榜单双栏 ---------- */
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{
  position:relative;display:flex;align-items:center;gap:18px;padding:18px 22px;
  background:var(--bg-800);border-radius:var(--r-lg);border:1px solid var(--line);
  transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s ease,border-color .35s ease;
}
.rank-item::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1px;
  background:var(--brand-grad);opacity:0;transition:opacity .35s ease;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.rank-item:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:transparent}
.rank-item:hover::before{opacity:1}
.rank-no{
  font-size:1.35rem;font-weight:800;font-variant-numeric:tabular-nums;min-width:38px;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.rank-thumb{width:64px;height:88px;border-radius:var(--r-sm);overflow:hidden;flex:none;background:var(--bg-700)}
.rank-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.rank-item:hover .rank-thumb img{transform:scale(1.05)}
.rank-main{flex:1;min-width:0}
.rank-main h3{font-size:1.05rem;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-meta{font-size:.8125rem;color:var(--text-3);display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-pill);
  font-size:.75rem;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.tag.live{color:var(--cyan);border-color:rgba(45,212,191,.35);background:rgba(45,212,191,.1)}
.heat{width:150px;flex:none}
.heat-bar{height:6px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);overflow:hidden}
.heat-bar span{display:block;height:100%;border-radius:var(--r-pill);background:var(--brand-grad)}
.heat-num{font-size:.75rem;color:var(--text-3);margin-top:6px;font-variant-numeric:tabular-nums;text-align:right}
.sticky-col{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--bg-800);border-radius:var(--r-xl);border:1px solid var(--line);
  overflow:hidden;box-shadow:var(--sh-1);
}
.side-card .side-cover{aspect-ratio:3/4;overflow:hidden;background:var(--bg-700)}
.side-card .side-cover img{width:100%;height:100%;object-fit:cover}
.side-body{padding:22px}
.side-badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:.75rem;font-weight:700;color:#1a1226;background:var(--gold);
}
.side-body h3{margin:14px 0 10px;font-size:1.2rem}
.side-body p{color:var(--text-2);font-size:.9rem;margin-bottom:18px}
.note-card{background:var(--bg-700);border-radius:var(--r-lg);border:1px solid var(--line);padding:22px}
.note-card h3{font-size:1rem;margin-bottom:12px}
.note-card ul{display:flex;flex-direction:column;gap:10px}
.note-card li{display:flex;gap:10px;color:var(--text-2);font-size:.875rem;line-height:1.7}
.note-card li i{color:var(--brand-2);margin-top:6px;font-size:.7rem}

/* ---------- 更新日历 ---------- */
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:14px}
.cal-card{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 16px;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .35s ease,box-shadow .35s ease;
}
.cal-card:hover{transform:translateY(-6px);border-color:rgba(255,61,139,.4);box-shadow:var(--sh-1)}
.cal-day{font-size:.8125rem;color:var(--text-3);letter-spacing:.06em}
.cal-num{font-size:1.6rem;font-weight:800;font-variant-numeric:tabular-nums;margin:8px 0 4px;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cal-card p{font-size:.8125rem;color:var(--text-2);line-height:1.7;margin:0}
.cal-card.today{border-color:rgba(45,212,191,.35);background:linear-gradient(180deg,rgba(45,212,191,.08),var(--bg-800))}

/* ---------- 交替图文 ---------- */
.split-row{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.split-row.reverse .split-media{order:2}
.split-media{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);background:var(--bg-700);aspect-ratio:16/10}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-text h3{font-size:clamp(1.25rem,2vw,1.6rem);margin-bottom:16px}
.split-text p{color:var(--text-2);font-size:.95rem}
.split-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.split-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:.92rem}
.split-list li i{
  width:22px;height:22px;border-radius:50%;flex:none;margin-top:5px;font-size:.65rem;
  display:inline-flex;align-items:center;justify-content:center;background:rgba(124,58,237,.2);color:#c4b5fd;
}
.split-gap{margin-top:72px}

/* ---------- 场景胶囊 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:26px}
.scene-card{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .35s ease;
}
.scene-card:hover{transform:translateY(-6px);border-color:rgba(124,58,237,.45)}
.scene-card h4{font-size:1rem;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.scene-card h4 i{color:var(--brand-2)}
.scene-card p{font-size:.875rem;color:var(--text-2);margin:0}

/* ---------- 浅色反馈区 ---------- */
.sec-soft{background:var(--bg-soft);color:#241f33}
.sec-soft h2,.sec-soft h3{color:#1b1727}
.sec-soft .sec-desc{color:#5a5470}
.sec-soft .eyebrow{color:#c2185b}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{
  background:#fff;border-radius:var(--r-lg);padding:26px;box-shadow:0 10px 30px rgba(36,31,51,.08);
  transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s ease;
}
.quote-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(36,31,51,.14)}
.quote-card p{color:#3c3552;font-size:.92rem;line-height:1.85}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid rgba(36,31,51,.08)}
.quote-avatar{width:38px;height:38px;border-radius:50%;background:var(--brand-grad);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.85rem}
.quote-user b{color:#1b1727;font-size:.9rem;display:block;line-height:1.4}
.quote-user span{color:#6f6887;font-size:.78rem}
.soft-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.soft-stat{background:#fff;border-radius:var(--r-md);padding:16px 22px;box-shadow:0 8px 22px rgba(36,31,51,.07)}
.soft-stat b{display:block;font-size:1.5rem;font-weight:800;font-variant-numeric:tabular-nums;color:#7C3AED}
.soft-stat span{font-size:.8125rem;color:#6f6887}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--bg-800);border:1px solid var(--line)!important;border-radius:var(--r-md)!important;
  margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:var(--bg-800);color:var(--text-1);font-size:1rem;font-weight:600;
  padding:20px 56px 20px 22px;box-shadow:none!important;position:relative;
}
.accordion-button:not(.collapsed){background:var(--bg-800);color:var(--text-1)}
.accordion-button::after{display:none}
.accordion-button::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:1.2rem;font-weight:400;color:var(--brand-2);transition:transform .3s ease;
}
.accordion-button:not(.collapsed)::before{content:"−"}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid transparent;border-image:var(--brand-grad) 1;border-radius:0 var(--r-md) var(--r-md) 0!important}
.accordion-body{color:var(--text-2);font-size:.92rem;line-height:1.9;padding:0 22px 22px;border-top:1px solid var(--line);padding-top:16px}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:46px 44px;
  background:var(--brand-grad);display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-brand);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.08) 0 2px,transparent 2px 14px);
  opacity:.5;
}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.4vw,2rem);position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.88);margin-top:10px;font-size:.95rem;position:relative;z-index:1}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.12);position:relative;z-index:1}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.24)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--bg-800);padding:72px 0 26px;margin-top:8px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--brand-grad);
  clip-path:polygon(0 0,100% 0,100% 100%,0 42%);
}
.footer-brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.05rem;margin-bottom:16px}
.footer-about{color:var(--text-3);font-size:.875rem;line-height:1.85;max-width:340px}
.footer-title{font-size:.95rem;margin-bottom:18px;color:var(--text-1)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:var(--text-3);font-size:.875rem}
.footer-links a:hover{color:var(--brand-2)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:var(--text-3);font-size:.875rem}
.footer-contact i{color:var(--brand-2);margin-top:6px;font-size:.8rem}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:.8125rem;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);font-size:.8125rem;cursor:pointer;
  transition:background .25s ease,color .25s ease,transform .25s ease;
}
.to-top:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links{gap:18px;font-size:.9rem}
  .cal-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:991.98px){
  .nav-links,.nav-cta{display:none}
  .burger{display:inline-flex}
  .chip-bar{display:flex}
  .sec{padding:56px 0}
  .page-hero{padding:36px 0 48px}
  .split-row{grid-template-columns:1fr;gap:26px}
  .split-row.reverse .split-media{order:0}
  .split-gap{margin-top:48px}
  .sticky-col{position:static}
  .quote-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;text-align:left;padding:36px 28px}
  .cal-grid{grid-template-columns:repeat(3,1fr)}
  .heat{width:110px}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px}
  .sec{padding:40px 0}
  .nav-wrap{height:66px}
  .brand-text{font-size:1rem}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .rank-item{padding:14px 16px;gap:12px}
  .rank-thumb{width:52px;height:72px}
  .rank-main h3{font-size:.98rem}
  .heat{display:none}
  .scene-grid{grid-template-columns:1fr}
  .cal-grid{grid-template-columns:repeat(2,1fr)}
  .stat-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .stat-row::-webkit-scrollbar{display:none}
  .stat-badge{flex:none}
  .cta-band{padding:30px 22px}
  .site-footer{padding:52px 0 22px}
  .footer-about{max-width:100%}
}
@media (max-width:575.98px){
  h1{font-size:1.85rem}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .cal-grid{grid-template-columns:1fr 1fr;gap:10px}
  .quote-card{padding:20px}
}

/* roulang page: category3 */
:root{
  --bg-900:#100E17;
  --bg-800:#171425;
  --bg-700:#1F1B2E;
  --bg-soft:#F6F4FB;
  --brand-1:#7C3AED;
  --brand-2:#FF3D8B;
  --brand-grad:linear-gradient(135deg,#7C3AED 0%,#FF3D8B 100%);
  --gold:#FFC53D;
  --cyan:#2DD4BF;
  --text-1:#F4F1FF;
  --text-2:#B4AEC7;
  --text-3:#7D7790;
  --line:rgba(255,255,255,.08);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 18px 44px rgba(0,0,0,.5);
  --sh-brand:0 12px 32px rgba(255,61,139,.28);
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--brand-2)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:inherit;margin:0;text-align:left}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.num{font-variant-numeric:tabular-nums}

/* ---------- 通用按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--brand-grad);
  color:#fff;border:none;border-radius:var(--r-pill);
  padding:.78rem 1.6rem;font-size:.95rem;font-weight:600;
  box-shadow:0 6px 18px rgba(124,58,237,.28);
  transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s ease,filter .3s ease;
}
.btn-brand:hover,.btn-brand:focus{
  color:#fff;transform:translateY(-2px);box-shadow:var(--sh-brand);filter:brightness(1.05);
}
.btn-ghost{
  display:inline-flex;align-items:center;gap:.5rem;
  background:transparent;color:var(--text-1);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);
  padding:.78rem 1.55rem;font-size:.95rem;font-weight:600;
  transition:background .3s ease,border-color .3s ease,transform .3s cubic-bezier(.2,.7,.3,1);
}
.btn-ghost:hover,.btn-ghost:focus{
  background:rgba(255,255,255,.08);color:var(--text-1);border-color:rgba(255,255,255,.3);
  transform:translateY(-2px);
}
.btn-sm{padding:.6rem 1.15rem;font-size:.875rem}
.btn-brand:focus-visible,.btn-ghost:focus-visible,.icon-btn:focus-visible,.to-top:focus-visible{
  outline:2px solid var(--brand-2);outline-offset:3px;
}
.link-more{
  font-size:.875rem;color:var(--text-2);display:inline-flex;align-items:center;gap:.35rem;
  border-bottom:2px solid transparent;position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;
  background:var(--brand-grad);transition:width .3s ease;
}
.link-more:hover::after{width:100%}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  transition:background .35s ease,backdrop-filter .35s ease,border-color .35s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(16,14,23,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  height:76px;
}
.brand{display:inline-flex;align-items:center;gap:.7rem;color:var(--text-1);flex:0 0 auto}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:.9rem;box-shadow:0 8px 20px rgba(124,58,237,.35);
}
.brand-text{font-size:1.06rem;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:1.55rem}
.nav-links a{
  position:relative;font-size:.925rem;color:var(--text-2);padding:.35rem 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.nav-links a:hover{color:var(--text-1)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text-1);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:.7rem}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text-1);display:inline-flex;align-items:center;justify-content:center;
  transition:background .3s ease,transform .3s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.burger{display:none}
.chip-bar{display:none}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,6,14,.6);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:380px;z-index:1050;
  background:var(--bg-800);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .35s cubic-bezier(.2,.7,.3,1);
  padding:1.4rem 1.25rem 2rem;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.3rem}
.drawer-search{
  display:flex;align-items:center;gap:.6rem;background:var(--bg-700);
  border:1px solid var(--line);border-radius:var(--r-md);padding:.7rem .9rem;margin-bottom:1.4rem;
}
.drawer-search input{
  flex:1;background:transparent;border:none;outline:none;color:var(--text-1);font-size:.9rem;
}
.drawer-search input::placeholder{color:var(--text-3)}
.drawer-title{font-size:.75rem;letter-spacing:.08em;color:var(--text-3);margin:0 0 .5rem}
.drawer-links a{
  display:flex;align-items:center;height:48px;padding:0 .4rem;font-size:.95rem;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--text-1);font-weight:600}
.drawer-foot{margin-top:1.6rem;display:flex;flex-direction:column;gap:.7rem}
.drawer-foot .contact-line{font-size:.85rem;color:var(--text-3);display:flex;align-items:center;gap:.5rem}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;align-items:center;gap:.45rem;font-size:.8125rem;color:var(--text-3);
  padding:1.1rem 0 0;
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand-2)}
.crumb .sep{color:var(--text-3)}
.crumb .now{color:var(--text-1)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  margin-top:1.2rem;
  min-height:420px;
  display:flex;align-items:flex-end;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(124,58,237,.42),transparent 62%),
    linear-gradient(180deg,rgba(16,14,23,.35) 0%,rgba(16,14,23,.82) 62%,var(--bg-900) 100%);
}
.hero-inner{position:relative;padding:3.4rem 2.4rem 2.2rem;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.75rem;letter-spacing:.08em;color:var(--text-2);
  text-transform:none;margin-bottom:1rem;
}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--brand-grad)}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.35rem);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  margin-bottom:1rem;
}
.hero h1 .grad{
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:var(--text-2);font-size:1.02rem;max-width:600px;margin-bottom:1.7rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem}
.badge-row{
  display:flex;gap:.75rem;flex-wrap:nowrap;overflow-x:auto;
  padding:1.6rem 2.4rem 2rem;position:relative;
  scrollbar-width:none;
}
.badge-row::-webkit-scrollbar{display:none}
.stat-badge{
  flex:0 0 auto;display:flex;flex-direction:column;gap:.15rem;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);padding:.6rem 1.15rem;min-width:150px;
}
.stat-badge .v{font-size:1.05rem;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
.stat-badge .v.cyan{color:var(--cyan)}
.stat-badge .t{font-size:.75rem;color:var(--text-2);white-space:nowrap}

/* ---------- 板块通用 ---------- */
.section{padding:80px 0}
.section-tight{padding:56px 0}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:1.5rem;
  margin-bottom:2.4rem;flex-wrap:wrap;
}
.sec-head .left{max-width:720px}
.sec-head h2{font-size:clamp(1.5rem,2.8vw,2.25rem);line-height:1.2;font-weight:700;margin-top:.55rem}
.sec-head p{color:var(--text-2);font-size:.95rem;margin:.7rem 0 0}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.75rem;letter-spacing:.08em;color:var(--text-3);
}
.sec-eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--brand-grad)}

/* ---------- 胶囊筛选 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;
  padding:1rem;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--bg-800);margin-bottom:2.2rem;
}
.filter-label{font-size:.8rem;color:var(--text-3);margin-right:.3rem}
.pill{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.48rem 1.05rem;border-radius:var(--r-pill);font-size:.875rem;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .25s ease,border-color .25s ease,background .25s ease,transform .25s ease;
  cursor:pointer;
}
.pill:hover{color:var(--text-1);border-color:rgba(255,255,255,.24);transform:translateY(-1px)}
.pill.active{
  color:#fff;border-color:transparent;background:var(--brand-grad);
  box-shadow:0 8px 20px rgba(255,61,139,.24);
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:38px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(124,58,237,.85),rgba(255,61,139,.7),rgba(45,212,191,.35));
}
.tl-item{position:relative;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{
  position:absolute;left:-38px;top:26px;width:20px;height:20px;border-radius:50%;
  background:var(--bg-900);border:2px solid var(--brand-2);
  display:flex;align-items:center;justify-content:center;
}
.tl-dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-grad)}
.tl-card{
  display:flex;gap:1.2rem;align-items:center;
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:1.15rem;box-shadow:var(--sh-1);
  transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .35s ease,box-shadow .35s ease;
  position:relative;overflow:hidden;
}
.tl-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1px;
  background:var(--brand-grad);opacity:0;transition:opacity .35s ease;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.tl-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.tl-card:hover::before{opacity:1}
.tl-thumb{
  flex:0 0 176px;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;
  background:var(--bg-700);position:relative;
}
.tl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.tl-card:hover .tl-thumb img{transform:scale(1.05)}
.tl-body{flex:1 1 auto;min-width:0}
.tl-time{
  display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;color:var(--cyan);
  font-variant-numeric:tabular-nums;margin-bottom:.4rem;
}
.tl-body h3{font-size:1.15rem;font-weight:700;margin-bottom:.35rem}
.tl-body p{color:var(--text-2);font-size:.9rem;margin:0 0 .7rem}
.tl-meta{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.tag{
  display:inline-flex;align-items:center;font-size:.75rem;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  border-radius:var(--r-pill);padding:.2rem .7rem;
}
.tag.gold{color:var(--gold);border-color:rgba(255,197,61,.3)}
.tag.cyan{color:var(--cyan);border-color:rgba(45,212,191,.3)}

/* ---------- 交错双列卡片流 ---------- */
.stagger-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;
}
.stagger-grid > *:nth-child(even){transform:translateY(30px)}
.topic-card{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);position:relative;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s ease;
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.topic-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-700);position:relative}
.topic-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.topic-card:hover .topic-cover img{transform:scale(1.05)}
.topic-cover .rank-chip{
  position:absolute;top:14px;left:14px;
  background:rgba(16,14,23,.72);backdrop-filter:blur(6px);
  border:1px solid rgba(255,197,61,.35);color:var(--gold);
  font-size:.78rem;font-weight:600;padding:.28rem .8rem;border-radius:var(--r-pill);
  font-variant-numeric:tabular-nums;
}
.topic-body{padding:1.4rem 1.5rem 1.6rem}
.topic-body h3{font-size:1.25rem;font-weight:700;margin-bottom:.5rem}
.topic-body p{color:var(--text-2);font-size:.92rem;margin-bottom:1rem}
.topic-list{display:flex;flex-direction:column;gap:.55rem;margin-bottom:1.2rem}
.topic-list li{display:flex;align-items:center;gap:.7rem;font-size:.88rem;color:var(--text-2)}
.topic-list .idx{
  flex:0 0 26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.78rem;font-weight:700;color:#fff;background:var(--brand-grad);
  font-variant-numeric:tabular-nums;
}
.topic-list .idx.alt{background:linear-gradient(135deg,#2DD4BF,#7C3AED)}
.topic-list .name{color:var(--text-1);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topic-list .heat{color:var(--gold);font-size:.8rem;font-variant-numeric:tabular-nums}

/* ---------- 上榜机制 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:1.6rem 1.4rem;box-shadow:var(--sh-1);position:relative;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .35s ease;
}
.step:hover{transform:translateY(-6px);border-color:rgba(255,61,139,.35)}
.step .sn{
  font-size:2rem;font-weight:800;line-height:1;margin-bottom:.9rem;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:1.05rem;font-weight:700;margin-bottom:.5rem}
.step p{font-size:.875rem;color:var(--text-2);margin:0}

/* ---------- 浅色区块 FAQ ---------- */
.section-light{background:var(--bg-soft);color:#1B1729}
.section-light .sec-eyebrow{color:#6C6383}
.section-light .sec-eyebrow::before{background:var(--brand-grad)}
.section-light h2{color:#171425}
.section-light .sec-head p{color:#5C5470}
.faq-wrap{max-width:920px}
.faq-wrap .accordion-item{
  background:#fff;border:1px solid rgba(23,20,37,.08);border-radius:var(--r-md)!important;
  margin-bottom:14px;overflow:hidden;box-shadow:0 6px 18px rgba(23,20,37,.06);
}
.faq-wrap .accordion-button{
  background:#fff;color:#171425;font-size:1rem;font-weight:600;
  padding:1.1rem 1.3rem;box-shadow:none;border:none;
  display:flex;align-items:center;gap:.8rem;
}
.faq-wrap .accordion-button::after{display:none}
.faq-wrap .accordion-button .pm{
  margin-left:auto;flex:0 0 26px;height:26px;border-radius:50%;
  border:1px solid rgba(23,20,37,.14);display:inline-flex;align-items:center;justify-content:center;
  color:#5C5470;font-size:.8rem;transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-wrap .accordion-button:not(.collapsed){color:#171425;background:#fff;box-shadow:none}
.faq-wrap .accordion-button:not(.collapsed) .pm{
  background:var(--brand-grad);color:#fff;border-color:transparent;transform:rotate(180deg);
}
.faq-wrap .accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid rgba(124,58,237,.35);outline-offset:-2px}
.faq-wrap .accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:3px solid transparent;
  border-image:linear-gradient(180deg,#7C3AED,#FF3D8B) 1;
}
.faq-wrap .accordion-body{
  padding:0 1.3rem 1.25rem;color:#4C4560;font-size:.94rem;border-top:1px solid rgba(23,20,37,.06);
  padding-top:1rem;
}
.faq-side{
  background:#fff;border:1px solid rgba(23,20,37,.08);border-radius:var(--r-lg);
  padding:1.5rem;box-shadow:0 8px 22px rgba(23,20,37,.07);
}
.faq-side h3{font-size:1.05rem;font-weight:700;color:#171425;margin-bottom:.9rem}
.faq-side ul{display:flex;flex-direction:column;gap:.5rem}
.faq-side li a{font-size:.9rem;color:#5C5470;display:flex;align-items:center;gap:.5rem}
.faq-side li a:hover{color:#7C3AED}
.faq-side li a i{font-size:.7rem;color:#FF3D8B}

/* ---------- CTA 条带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--brand-grad);
  padding:2.6rem 2.4rem;display:flex;align-items:center;justify-content:space-between;gap:1.6rem;
  box-shadow:var(--sh-brand);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.08) 0 2px,transparent 2px 16px);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,2rem);color:#fff;font-weight:800;line-height:1.25;position:relative}
.cta-band p{color:rgba(255,255,255,.85);font-size:.95rem;margin:.5rem 0 0;position:relative}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;position:relative}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:80px;background:var(--bg-800);
  padding:64px 0 26px;border-top:2px solid transparent;
}
.site-footer::before{
  content:"";position:absolute;top:-2px;left:0;right:0;height:2px;background:var(--brand-grad);
}
.footer-brand{display:flex;align-items:center;gap:.7rem;margin-bottom:1rem}
.footer-about{font-size:.9rem;color:var(--text-2);max-width:360px;margin:0}
.footer-title{font-size:.95rem;font-weight:700;color:var(--text-1);margin-bottom:1rem}
.footer-links{display:flex;flex-direction:column;gap:.6rem}
.footer-links a{font-size:.875rem;color:var(--text-2)}
.footer-links a:hover{color:var(--brand-2)}
.footer-contact{display:flex;flex-direction:column;gap:.7rem}
.footer-contact li{display:flex;align-items:center;gap:.6rem;font-size:.875rem;color:var(--text-2)}
.footer-contact i{color:var(--brand-2);font-size:.85rem;width:16px;text-align:center}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.8125rem;color:var(--text-3);
}
.to-top{
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text-2);
  border-radius:var(--r-pill);padding:.42rem 1rem;font-size:.8rem;
  display:inline-flex;align-items:center;gap:.4rem;transition:background .3s ease,color .3s ease;
}
.to-top:hover{background:rgba(255,255,255,.14);color:var(--text-1)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links{gap:1.05rem}
  .nav-links a{font-size:.875rem}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .burger{display:inline-flex}
  .site-header{background:rgba(16,14,23,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .chip-bar{
    display:flex;gap:.5rem;overflow-x:auto;padding:.1rem 24px .85rem;
    scrollbar-width:none;
  }
  .chip-bar::-webkit-scrollbar{display:none}
  .chip{
    flex:0 0 auto;font-size:.8rem;color:var(--text-2);padding:.34rem .9rem;
    border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.04);
  }
  .chip.active{
    color:#fff;border-color:transparent;background:var(--brand-grad);
  }
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .container-x{padding:0 20px}
  .hero-inner{padding:2.4rem 1.6rem 1.6rem}
  .badge-row{padding:1.2rem 1.6rem 1.6rem}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stagger-grid > *:nth-child(even){transform:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:2.2rem 1.7rem}
  .site-footer{padding:48px 0 22px;margin-top:56px}
}
@media (max-width:767.98px){
  .stagger-grid{grid-template-columns:1fr}
  .tl-card{flex-direction:column;align-items:stretch}
  .tl-thumb{flex:0 0 auto;width:100%}
  .tl-dot{top:18px}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px}
  .section{padding:44px 0}
  .section-tight{padding:36px 0}
  .hero{border-radius:var(--r-lg);min-height:380px}
  .hero-inner{padding:1.9rem 1.15rem 1.2rem}
  .badge-row{padding:1rem 1.15rem 1.3rem}
  .stat-badge{min-width:136px}
  .steps{grid-template-columns:1fr}
  .timeline{padding-left:30px}
  .timeline::before{left:7px}
  .tl-dot{left:-30px;width:16px;height:16px;top:16px}
  .tl-dot::after{width:6px;height:6px}
  .faq-wrap .accordion-button{padding:.95rem 1rem;font-size:.94rem}
  .faq-wrap .accordion-body{padding:0 1rem 1.05rem;padding-top:.9rem}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-text{font-size:.98rem}
}

/* roulang page: category5 */
:root{
  --bg-900:#100E17;
  --bg-800:#171425;
  --bg-700:#1F1B2E;
  --bg-soft:#F6F4FB;
  --brand-1:#7C3AED;
  --brand-2:#FF3D8B;
  --brand-grad:linear-gradient(135deg,#7C3AED 0%,#FF3D8B 100%);
  --gold:#FFC53D;
  --cyan:#2DD4BF;
  --text-1:#F4F1FF;
  --text-2:#B4AEC7;
  --text-3:#7D7790;
  --line:rgba(255,255,255,.08);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 18px 44px rgba(0,0,0,.5);
  --sh-brand:0 12px 32px rgba(255,61,139,.28);
  --container:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  text-align:left;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
a:hover{color:#fff;}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;margin:0;letter-spacing:.01em;}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
ul{list-style:none;margin:0;padding:0;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:20px;
  margin-bottom:36px;
}
.section-head .head-left{max-width:640px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--text-3);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:2px;
  border-radius:2px;
  background:var(--brand-grad);
  display:block;
}
.section-head h2{
  font-size:clamp(1.5rem,2.8vw,2.25rem);
  line-height:1.2;
  font-weight:700;
}
.section-head .more{
  font-size:.875rem;
  color:var(--text-2);
  white-space:nowrap;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.section-head .more:hover{
  color:#fff;
  border-bottom-color:var(--brand-2);
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:transparent;
  transition:background .3s ease,backdrop-filter .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(16,14,23,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:74px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:11px;
  background:var(--brand-grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:.8rem;
  box-shadow:var(--sh-brand);
}
.brand-text{
  font-size:1.06rem;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--text-1);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:nowrap;
}
.nav-links a{
  position:relative;
  font-size:.9rem;
  color:var(--text-2);
  padding:8px 12px;
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .25s ease,background .25s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-links a.active{color:#fff;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;
  height:38px;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:.25s ease;
}
.icon-btn:hover{color:#fff;background:rgba(255,255,255,.1);}
.burger{display:none;}
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  border:none;
  background:var(--brand-grad);
  background-size:150% 150%;
  background-position:0% 50%;
  color:#fff;
  font-size:.95rem;
  font-weight:600;
  cursor:pointer;
  transition:background-position .45s ease,box-shadow .3s ease,transform .3s ease;
  box-shadow:var(--sh-1);
}
.btn-brand:hover{
  background-position:100% 50%;
  box-shadow:var(--sh-brand);
  transform:translateY(-2px);
  color:#fff;
}
.btn-brand.btn-sm{padding:10px 20px;font-size:.875rem;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);
  background:transparent;
  color:var(--text-1);
  font-size:.95rem;
  font-weight:600;
  cursor:pointer;
  transition:.3s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.3);}
.chip-bar{display:none;}

/* ============ 抽屉 ============ */
.drawer{
  position:fixed;
  top:0;
  right:0;
  width:84vw;
  max-width:380px;
  height:100vh;
  background:var(--bg-800);
  border-left:1px solid var(--line);
  z-index:1060;
  transform:translateX(100%);
  transition:transform .35s cubic-bezier(.2,.7,.3,1);
  display:flex;
  flex-direction:column;
  padding:24px 22px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(6,5,10,.65);
  backdrop-filter:blur(2px);
  z-index:1055;
  opacity:0;
  visibility:hidden;
  transition:.3s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-search{
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--bg-700);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:11px 14px;
  margin-bottom:20px;
}
.drawer-search input{
  background:transparent;
  border:none;
  color:var(--text-1);
  width:100%;
  font-size:.9rem;
  outline:none;
}
.drawer-search input::placeholder{color:var(--text-3);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{
  min-height:48px;
  display:flex;
  align-items:center;
  padding:0 14px;
  border-radius:var(--r-sm);
  color:var(--text-2);
  font-size:.95rem;
  border:1px solid transparent;
}
.drawer-nav a:hover,
.drawer-nav a.active{
  color:#fff;
  background:rgba(255,255,255,.05);
  border-color:var(--line);
}
.drawer-foot{
  margin-top:auto;
  padding-top:20px;
  border-top:1px solid var(--line);
  color:var(--text-3);
  font-size:.82rem;
  line-height:2;
}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  padding:132px 0 76px;
  margin-top:-74px;
  overflow:hidden;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(120% 90% at 18% 6%,rgba(124,58,237,.42) 0%,rgba(16,14,23,0) 60%),
    linear-gradient(180deg,rgba(16,14,23,.72) 0%,rgba(16,14,23,.86) 55%,var(--bg-900) 100%);
}
.page-hero .container-x{position:relative;z-index:2;}
.crumbs{
  font-size:.8125rem;
  color:var(--text-3);
  margin-bottom:20px;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.crumbs a:hover{color:var(--text-1);}
.crumbs .sep{color:var(--text-3);}
.crumbs .now{color:var(--text-1);}
.page-hero h1{
  font-size:clamp(2rem,4.6vw,3.4rem);
  line-height:1.15;
  font-weight:800;
  max-width:820px;
  margin-bottom:18px;
}
.page-hero .lead{
  color:var(--text-2);
  font-size:1.02rem;
  max-width:640px;
  margin-bottom:30px;
}
.hero-search{
  display:flex;
  align-items:center;
  gap:10px;
  background:rgba(31,27,46,.85);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:8px 8px 8px 20px;
  max-width:520px;
  margin-bottom:26px;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.hero-search:focus-within{
  border-color:rgba(255,61,139,.55);
  box-shadow:0 0 0 4px rgba(124,58,237,.16);
}
.hero-search i{color:var(--text-3);}
.hero-search input{
  flex:1;
  background:transparent;
  border:none;
  outline:none;
  color:var(--text-1);
  font-size:.95rem;
  padding:8px 0;
}
.hero-search input::placeholder{color:var(--text-3);}
.hero-search button{
  border:none;
  background:var(--brand-grad);
  color:#fff;
  border-radius:var(--r-pill);
  padding:10px 22px;
  font-size:.9rem;
  font-weight:600;
  cursor:pointer;
  transition:.3s ease;
}
.hero-search button:hover{box-shadow:var(--sh-brand);}
.badge-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.data-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  font-size:.8125rem;
  color:var(--text-2);
  font-variant-numeric:tabular-nums;
}
.data-badge b{color:var(--gold);font-weight:700;font-variant-numeric:tabular-nums;}
.data-badge.cy b{color:var(--cyan);}

/* ============ 快捷入口条 ============ */
.quick-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:-46px;
  position:relative;
  z-index:3;
}
.quick-item{
  background:var(--bg-800);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  box-shadow:var(--sh-1);
  transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .3s ease;
}
.quick-item:hover{transform:translateY(-6px);border-color:rgba(255,61,139,.36);}
.quick-item .qi-icon{
  width:40px;
  height:40px;
  border-radius:var(--r-sm);
  background:rgba(124,58,237,.16);
  color:#C4A7FF;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-bottom:14px;
}
.quick-item h3{font-size:1rem;font-weight:700;margin-bottom:6px;}
.quick-item p{color:var(--text-2);font-size:.86rem;line-height:1.75;margin:0;}

/* ============ FAQ 主体 ============ */
.faq-layout{
  display:grid;
  grid-template-columns:230px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.anchor-nav{
  position:sticky;
  top:110px;
  background:var(--bg-800);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 18px;
}
.anchor-nav .an-title{
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--text-3);
  margin-bottom:14px;
}
.anchor-nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  border-radius:var(--r-sm);
  color:var(--text-2);
  font-size:.9rem;
  border-left:2px solid transparent;
}
.anchor-nav a i{font-size:.7rem;color:var(--text-3);}
.anchor-nav a:hover{
  color:#fff;
  background:rgba(255,255,255,.04);
  border-left-color:var(--brand-1);
}
.faq-group{margin-bottom:44px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group h3{
  font-size:1.15rem;
  font-weight:700;
  margin-bottom:18px;
  display:flex;
  align-items:center;
  gap:10px;
}
.faq-group h3 span{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand-grad);
  display:inline-block;
}
.accordion-item{
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  margin-bottom:14px;
}
.accordion-button{
  position:relative;
  background:var(--bg-800);
  color:var(--text-1);
  font-size:.98rem;
  font-weight:600;
  padding:19px 60px 19px 22px;
  border-radius:var(--r-md)!important;
  box-shadow:none!important;
  transition:background .3s ease,color .3s ease;
}
.accordion-button:not(.collapsed){
  background:var(--bg-700);
  color:#fff;
}
.accordion-button:not(.collapsed)::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:var(--brand-grad);
}
.accordion-button::after{
  content:"+";
  background-image:none!important;
  transform:none!important;
  position:absolute;
  right:18px;
  top:50%;
  margin-top:-16px;
  width:32px;
  height:32px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.15rem;
  line-height:1;
  color:var(--text-2);
  border:1px solid var(--line);
  border-radius:50%;
  transition:.3s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"−";
  color:#fff;
  background:var(--brand-grad);
  border-color:transparent;
}
.accordion-button:focus{border-color:transparent;box-shadow:none;}
.accordion-body{
  background:var(--bg-800);
  color:var(--text-2);
  font-size:.93rem;
  line-height:1.95;
  padding:0 22px 22px;
}
.accordion-body strong{color:var(--text-1);font-weight:600;}

/* ============ 排查流程 ============ */
.flow-wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  counter-reset:step;
}
.flow-item{
  position:relative;
  background:var(--bg-800);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 22px;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .3s ease;
}
.flow-item:hover{transform:translateY(-6px);border-color:rgba(124,58,237,.5);}
.flow-item .step-no{
  font-size:1.6rem;
  font-weight:800;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:12px;
}
.flow-item h3{font-size:1rem;font-weight:700;margin-bottom:8px;}
.flow-item p{color:var(--text-2);font-size:.86rem;line-height:1.8;margin:0;}
.flow-item::after{
  content:"";
  position:absolute;
  top:50%;
  right:-11px;
  width:22px;
  height:1px;
  background:linear-gradient(90deg,rgba(124,58,237,.8),rgba(255,61,139,.2));
}
.flow-item:last-child::after{display:none;}

/* ============ 浅色区块 ============ */
.light-block{
  background:var(--bg-soft);
  color:#221C33;
  border-radius:28px;
  padding:56px;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;
  align-items:center;
}
.light-block .eyebrow{color:#7A728C;}
.light-block h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  color:#1A1428;
  line-height:1.25;
  margin-bottom:16px;
}
.light-block p{color:#4C4560;font-size:.95rem;}
.light-list{margin-top:22px;display:grid;gap:12px;}
.light-list li{
  display:flex;
  gap:12px;
  font-size:.92rem;
  color:#332C46;
  line-height:1.75;
}
.light-list i{color:var(--brand-1);margin-top:6px;font-size:.8rem;}
.light-media{
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:0 20px 46px rgba(40,24,86,.22);
  aspect-ratio:16/11;
}
.light-media img{width:100%;height:100%;object-fit:cover;}

/* ============ 反馈表单 ============ */
.feedback-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:36px;
  align-items:start;
}
.form-card{
  background:var(--bg-800);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:34px;
  box-shadow:var(--sh-2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:.82rem;
  color:var(--text-2);
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  background:var(--bg-700);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  color:var(--text-1);
  font-size:.92rem;
  padding:13px 15px;
  outline:none;
  transition:border-color .3s ease,box-shadow .3s ease;
  font-family:inherit;
}
.field textarea{resize:vertical;min-height:118px;line-height:1.8;}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.field input:focus,
.field select:focus,
.field textarea:focus{
  border-color:rgba(255,61,139,.6);
  box-shadow:0 0 0 4px rgba(124,58,237,.16);
}
.field select option{background:var(--bg-700);color:var(--text-1);}
.form-tip{font-size:.78rem;color:var(--text-3);margin-top:14px;}
.info-stack{display:grid;gap:18px;}
.info-card{
  background:var(--bg-800);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
}
.info-card h3{font-size:1rem;font-weight:700;margin-bottom:10px;}
.info-card p{color:var(--text-2);font-size:.88rem;line-height:1.85;margin:0;}
.info-card .kv{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:.86rem;
  color:var(--text-2);
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-variant-numeric:tabular-nums;
}
.info-card .kv:last-child{border-bottom:none;padding-bottom:0;}
.info-card .kv b{color:var(--text-1);font-weight:600;}

/* ============ CTA 条带 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  background:var(--brand-grad);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 2px,transparent 2px 12px);
  opacity:.6;
  pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:2;}
.cta-band h2{
  font-size:clamp(1.35rem,2.4vw,1.9rem);
  font-weight:800;
  color:#fff;
  margin-bottom:8px;
}
.cta-band p{color:rgba(255,255,255,.86);font-size:.92rem;margin:0;}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
.btn-light{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  color:#1A1428;
  border:none;
  border-radius:var(--r-pill);
  padding:13px 26px;
  font-size:.92rem;
  font-weight:700;
  cursor:pointer;
  transition:.3s ease;
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.28);color:#1A1428;}
.btn-outline-light-x{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.42);
  color:#fff;
  border-radius:var(--r-pill);
  padding:13px 26px;
  font-size:.92rem;
  font-weight:600;
  cursor:pointer;
  transition:.3s ease;
}
.btn-outline-light-x:hover{background:rgba(255,255,255,.22);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--bg-800);
  margin-top:90px;
  padding:64px 0 0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:var(--brand-grad);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-about{
  color:var(--text-2);
  font-size:.88rem;
  line-height:1.95;
  margin:0;
}
.footer-title{
  font-size:.95rem;
  font-weight:700;
  color:var(--text-1);
  margin-bottom:18px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  color:var(--text-2);
  font-size:.87rem;
}
.footer-links a:hover{color:#fff;}
.footer-contact li{
  display:flex;
  gap:10px;
  color:var(--text-2);
  font-size:.87rem;
  margin-bottom:13px;
  line-height:1.7;
}
.footer-contact i{color:var(--brand-2);margin-top:6px;font-size:.82rem;}
.footer-bottom{
  margin-top:52px;
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--text-3);
  font-size:.82rem;
}
.to-top{
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  color:var(--text-2);
  padding:8px 18px;
  font-size:.8rem;
  cursor:pointer;
  transition:.3s ease;
}
.to-top:hover{color:#fff;border-color:rgba(255,61,139,.5);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-links a{padding:8px 9px;font-size:.85rem;}
  .quick-strip{grid-template-columns:repeat(2,1fr);}
  .flow-wrap{grid-template-columns:repeat(2,1fr);}
  .flow-item:nth-child(2)::after{display:none;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .burger{display:inline-flex;}
  .nav-cta{display:none;}
  .chip-bar{
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding:0 20px 14px;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .chip-bar::-webkit-scrollbar{display:none;}
  .chip{
    flex:0 0 auto;
    padding:8px 16px;
    border-radius:var(--r-pill);
    border:1px solid var(--line);
    color:var(--text-2);
    font-size:.82rem;
    white-space:nowrap;
  }
  .chip.active{
    border-color:transparent;
    background:var(--brand-grad);
    color:#fff;
  }
  .page-hero{padding:104px 0 64px;margin-top:-74px;}
  .section{padding:56px 0;}
  .faq-layout{grid-template-columns:1fr;gap:30px;}
  .anchor-nav{position:static;}
  .light-block{grid-template-columns:1fr;gap:30px;padding:36px;}
  .feedback-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;}
  .quick-strip{margin-top:-34px;}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px;}
  .section{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:26px;}
  .section-head .more{align-self:flex-start;}
  .quick-strip{grid-template-columns:1fr;gap:16px;}
  .flow-wrap{grid-template-columns:1fr;gap:16px;}
  .flow-item::after{display:none;}
  .form-card{padding:24px 20px;}
  .form-row{grid-template-columns:1fr;}
  .light-block{padding:26px 20px;border-radius:22px;}
  .page-hero h1{font-size:2rem;}
  .hero-search{padding:6px 6px 6px 16px;}
  .hero-search button{padding:9px 16px;font-size:.85rem;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:56px;}
}

/* roulang page: category4 */
:root{
  --bg-900:#100E17;--bg-800:#171425;--bg-700:#1F1B2E;--bg-soft:#F6F4FB;
  --brand-1:#7C3AED;--brand-2:#FF3D8B;
  --brand-grad:linear-gradient(135deg,#7C3AED 0%,#FF3D8B 100%);
  --gold:#FFC53D;--cyan:#2DD4BF;
  --text-1:#F4F1FF;--text-2:#B4AEC7;--text-3:#7D7790;
  --line:rgba(255,255,255,.08);
  --r-sm:12px;--r-md:16px;--r-lg:20px;--r-xl:24px;--r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);--sh-2:0 18px 44px rgba(0,0,0,.5);
  --sh-brand:0 12px 32px rgba(255,61,139,.28);
  --container:1240px;
  --ink:#1B1626;--ink-2:#4A4358;--ink-3:#7A7389;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-900);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.9;text-align:left;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
::selection{background:rgba(255,61,139,.35);color:#fff}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:transparent;transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease}
.site-header.scrolled{background:rgba(16,14,23,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:76px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--brand-grad);display:grid;place-items:center;color:#fff;font-size:12px;box-shadow:var(--sh-brand);flex:0 0 34px}
.brand-text{font-weight:800;font-size:1.0625rem;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:6px}
.nav-links a{position:relative;font-size:.9375rem;color:var(--text-2);padding:6px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.nav-links a:hover{color:var(--text-1)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-1);display:grid;place-items:center;cursor:pointer;transition:.25s ease}
.icon-btn:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#fff}
.icon-btn:focus-visible,.btn-brand:focus-visible,.btn-ghost:focus-visible,.chip:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.btn-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand-grad);color:#fff;border:none;border-radius:var(--r-pill);padding:13px 26px;font-weight:700;font-size:.9375rem;cursor:pointer;transition:transform .3s ease,box-shadow .3s ease,filter .3s ease}
.btn-brand:hover{color:#fff;box-shadow:var(--sh-brand);transform:translateY(-2px);filter:saturate(1.08)}
.btn-sm{padding:9px 18px;font-size:.875rem}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid rgba(255,255,255,.18);background:transparent;color:var(--text-1);border-radius:var(--r-pill);padding:12px 24px;font-weight:600;font-size:.9375rem;cursor:pointer;transition:.3s ease}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:#231B33;border:none;border-radius:var(--r-pill);padding:13px 26px;font-weight:800;font-size:.9375rem;display:inline-flex;align-items:center;gap:8px;cursor:pointer;transition:.3s ease;position:relative;z-index:2}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.28)}
.burger{display:none}
.chip-bar{display:none;gap:10px;overflow-x:auto;padding:0 16px 12px;scrollbar-width:none;-ms-overflow-style:none}
.chip-bar::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;padding:7px 16px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:.8125rem;color:var(--text-2);white-space:nowrap;transition:.25s ease}
.chip:hover{color:#fff;border-color:rgba(255,255,255,.24)}
.chip.active{background:var(--brand-grad);color:#fff;border-color:transparent}

/* ---------- drawer ---------- */
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:380px;background:var(--bg-800);z-index:1050;transform:translateX(105%);transition:transform .38s cubic-bezier(.2,.7,.3,1);padding:22px 22px 34px;overflow-y:auto;border-left:1px solid var(--line)}
.nav-drawer.open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.62);opacity:0;visibility:hidden;transition:.3s ease;z-index:1040}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.drawer-search{display:flex;align-items:center;gap:10px;background:var(--bg-700);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;margin-bottom:20px}
.drawer-search i{color:var(--text-3)}
.drawer-search input{background:transparent;border:none;outline:none;color:var(--text-1);width:100%}
.drawer-search input::placeholder{color:var(--text-3)}
.drawer-links{display:flex;flex-direction:column;margin-bottom:24px}
.drawer-links a{min-height:48px;display:flex;align-items:center;font-size:1rem;color:var(--text-2);border-bottom:1px solid var(--line);padding:4px 2px}
.drawer-links a:hover{color:#fff}
.drawer-links a.active{color:#fff;font-weight:700}
.drawer-cta{width:100%;margin-bottom:22px}
.drawer-foot{border-top:1px solid var(--line);padding-top:16px;color:var(--text-3);font-size:.8125rem}
.drawer-foot p{margin-bottom:6px}

/* ---------- hero ---------- */
.hero-cat{position:relative;overflow:hidden;padding:118px 0 78px;background-image:url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center}
.hero-cat::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 95% at 18% 0%,rgba(124,58,237,.46),transparent 62%),linear-gradient(180deg,rgba(16,14,23,.7) 0%,rgba(16,14,23,.88) 58%,var(--bg-900) 100%)}
.hero-inner{position:relative;z-index:2;max-width:780px}
.breadcrumb-x{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:.8125rem;color:var(--text-3);margin-bottom:18px}
.breadcrumb-x a:hover{color:var(--text-1)}
.breadcrumb-x .sep{color:var(--text-3)}
.breadcrumb-x .cur{color:var(--text-1)}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:.75rem;letter-spacing:.08em;color:var(--text-2);margin-bottom:14px}
.kicker::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--brand-grad)}
.hero-cat h1{font-size:clamp(2rem,4.6vw,3.5rem);font-weight:800;line-height:1.15;margin-bottom:18px}
.hero-cat h1 .grad{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.0625rem;color:var(--text-2);max-width:640px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.badge-strip{display:flex;gap:12px;flex-wrap:wrap}
.badge-pill{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);font-size:.78rem;color:var(--text-2);font-variant-numeric:tabular-nums}
.badge-pill i{font-size:.72rem}
.badge-gold{color:var(--gold)}
.badge-cyan{color:var(--cyan)}

/* ---------- section basics ---------- */
.section{padding:80px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(1.5rem,2.8vw,2.25rem);font-weight:700}
.sec-head .more-link{font-size:.875rem;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.sec-head .more-link:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.sec-light{background:var(--bg-soft);color:var(--ink)}
.sec-light .sec-head h2,.sec-light h3{color:var(--ink)}
.sec-light .kicker{color:#6B6478}
.sec-light .kicker::before{background:var(--brand-grad)}
.sec-light p{color:var(--ink-2)}
.sec-light .sec-head .more-link{color:#6B6478}
.sec-light .sec-head .more-link:hover{color:#231B33}

/* ---------- anchor layout ---------- */
.anchor-col{position:relative}
.anchor-nav{position:sticky;top:104px;display:flex;flex-direction:column;border-left:2px solid var(--line)}
.anchor-nav a{padding:11px 0 11px 18px;margin-left:-2px;border-left:2px solid transparent;font-size:.9375rem;color:var(--text-2);transition:.25s ease}
.anchor-nav a:hover{color:var(--text-1)}
.anchor-nav a.active{color:#fff;font-weight:700;border-left-color:var(--brand-2)}
.anchor-title{font-size:.75rem;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:30px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:7px;top:10px;bottom:14px;width:2px;border-radius:2px;background:var(--brand-grad);opacity:.75}
.tl-item{position:relative;padding:0 0 26px 6px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-30px;top:9px;width:16px;height:16px;border-radius:50%;background:var(--bg-900);border:2px solid var(--brand-2)}
.tl-item h3{font-size:1.125rem;font-weight:700;margin-bottom:6px}
.tl-item p{color:var(--text-2);font-size:.9375rem;margin:0}
.tl-item .tl-tag{display:inline-block;font-size:.75rem;color:var(--cyan);border:1px solid rgba(45,212,191,.35);border-radius:var(--r-pill);padding:2px 10px;margin-bottom:8px;font-variant-numeric:tabular-nums}

/* ---------- feature card ---------- */
.feature-card{display:grid;grid-template-columns:1.05fr 1fr;background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);margin-bottom:22px}
.fc-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-700)}
.fc-media img,.info-row .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.feature-card:hover .fc-media img{transform:scale(1.05)}
.fc-media .corner-tag{position:absolute;left:16px;top:16px;background:var(--brand-grad);color:#fff;font-size:.75rem;font-weight:700;padding:5px 12px;border-radius:var(--r-pill)}
.fc-body{padding:28px 30px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.fc-body h3{font-size:1.375rem}
.fc-body p{color:var(--text-2);font-size:.9375rem;margin:0}
.fc-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.info-list{display:grid;gap:16px}
.info-row{display:flex;gap:18px;align-items:center;padding:16px;background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-lg);transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .35s ease,box-shadow .35s ease}
.info-row:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.16);box-shadow:var(--sh-1)}
.info-row:hover .thumb img{transform:scale(1.05)}
.info-row .thumb{width:104px;flex:0 0 104px;aspect-ratio:3/4;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-700)}
.info-row .info-text h3{font-size:1.0625rem;margin-bottom:6px;transition:color .25s ease}
.info-row:hover .info-text h3{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.info-row .info-text p{color:var(--text-2);font-size:.875rem;margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- faq ---------- */
.help-accordion .accordion-item{background:#fff;border:1px solid rgba(27,22,38,.1);border-radius:var(--r-md);overflow:hidden;margin-bottom:14px}
.help-accordion .accordion-button{position:relative;width:100%;background:transparent;border:none;color:var(--ink);font-weight:700;font-size:1.0625rem;padding:20px 62px 20px 22px;text-align:left;box-shadow:none;transition:background .3s ease,color .3s ease}
.help-accordion .accordion-button:not(.collapsed){color:#5B21B6;background:rgba(124,58,237,.07)}
.help-accordion .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-grad)}
.help-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand-2);outline-offset:-2px}
.help-accordion .accordion-button::after{
  content:"+";background-image:none;width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(27,22,38,.16);display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;color:#6B6478;position:absolute;right:22px;top:50%;
  transform:translateY(-50%);transition:transform .3s ease,background .3s ease,color .3s ease,border-color .3s ease;
}
.help-accordion .accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%) rotate(180deg);background:var(--brand-grad);border-color:transparent;color:#fff}
.help-accordion .accordion-body{padding:2px 22px 24px;color:var(--ink-2);font-size:.9375rem}
.help-accordion .accordion-body p{margin-bottom:10px}
.help-accordion .accordion-body p:last-child{margin-bottom:0}
.faq-side{background:#fff;border:1px solid rgba(27,22,38,.1);border-radius:var(--r-lg);padding:24px}
.faq-side h3{font-size:1.0625rem;margin-bottom:10px}
.faq-side p{font-size:.875rem;color:var(--ink-2);margin-bottom:16px}
.faq-side ul li{font-size:.875rem;color:var(--ink-2);padding:8px 0;border-bottom:1px dashed rgba(27,22,38,.12);display:flex;gap:8px;align-items:flex-start}
.faq-side ul li:last-child{border-bottom:none}
.faq-side ul li i{color:var(--brand-1);margin-top:7px;font-size:.75rem}

/* ---------- form ---------- */
.notify-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:34px;align-items:center}
.notify-copy h2{font-size:clamp(1.5rem,2.8vw,2.25rem);margin-bottom:16px}
.notify-copy p{color:var(--text-2);font-size:.9375rem;margin-bottom:14px}
.notify-points li{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:.9375rem;margin-bottom:10px}
.notify-points li i{color:var(--cyan);margin-top:7px;font-size:.75rem}
.notify-form{background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-2);display:grid;gap:18px}
.form-field label{display:block;font-size:.875rem;color:var(--text-2);margin-bottom:8px}
.form-field input,.form-field select{width:100%;background:var(--bg-700);border:1px solid var(--line);border-radius:var(--r-md);padding:13px 16px;color:var(--text-1);outline:none;transition:border-color .25s ease,box-shadow .25s ease;appearance:none}
.form-field select{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23B4AEC7'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;background-size:14px}
.form-field input::placeholder{color:var(--text-3)}
.form-field input:focus,.form-field select:focus{border-color:transparent;box-shadow:0 0 0 1px var(--brand-2),0 0 18px rgba(255,61,139,.22)}
.form-note{font-size:.8125rem;color:var(--text-3);margin:0}
.form-tip{font-size:.875rem;color:var(--cyan);min-height:22px;margin:0}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--brand-grad);padding:46px 44px;display:flex;align-items:center;justify-content:space-between;gap:26px}
.cta-band::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.09) 0 2px,transparent 2px 16px);opacity:.55;pointer-events:none}
.cta-band h2{position:relative;z-index:2;font-size:clamp(1.4rem,2.6vw,2rem);color:#fff;margin-bottom:8px}
.cta-band p{position:relative;z-index:2;color:rgba(255,255,255,.9);font-size:.9375rem;margin:0}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{margin-top:20px;background:var(--bg-800);position:relative;padding:66px 0 0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--brand-grad)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-about{color:var(--text-2);font-size:.9375rem;margin:0;max-width:420px}
.footer-title{font-size:1rem;font-weight:700;margin-bottom:16px;color:var(--text-1)}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-2);font-size:.9375rem}
.footer-links a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:.9375rem;margin-bottom:12px}
.footer-contact li i{color:var(--brand-2);margin-top:7px;font-size:.8125rem}
.footer-bottom{margin-top:46px;border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--text-3);font-size:.8125rem}
.to-top{background:transparent;border:1px solid var(--line);color:var(--text-2);border-radius:var(--r-pill);padding:8px 16px;font-size:.8125rem;cursor:pointer;transition:.25s ease}
.to-top:hover{color:#fff;border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.06)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-links{gap:18px}
  .nav-links a{font-size:.875rem}
}
@media (max-width:991px){
  .nav-links{display:none}
  .burger{display:grid}
  .nav-cta{display:none}
  .chip-bar{display:flex}
  .nav-wrap{height:66px}
  .section{padding:56px 0}
  .hero-cat{padding:78px 0 58px}
  .feature-card{grid-template-columns:1fr}
  .notify-wrap{grid-template-columns:1fr;gap:26px}
  .anchor-nav{position:static;flex-direction:row;overflow-x:auto;border-left:none;border-bottom:1px solid var(--line);padding-bottom:4px}
  .anchor-nav a{border-left:none;border-bottom:2px solid transparent;padding:10px 14px;white-space:nowrap}
  .anchor-nav a.active{border-left-color:transparent;border-bottom-color:var(--brand-2)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .section{padding:40px 0}
  .hero-cat{padding:58px 0 46px}
  .hero-lead{font-size:1rem}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{flex:1 1 100%;justify-content:center}
  .badge-strip{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .badge-strip::-webkit-scrollbar{display:none}
  .badge-pill{flex:0 0 auto}
  .fc-body{padding:22px}
  .info-row{flex-direction:row;gap:14px}
  .info-row .thumb{width:84px;flex:0 0 84px}
  .notify-form{padding:22px}
  .cta-band{padding:30px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn-white{width:100%;justify-content:center}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .help-accordion .accordion-button{font-size:1rem;padding:18px 54px 18px 18px}
  .info-row .thumb{width:72px;flex:0 0 72px}
}