/* roulang page: index */
:root{
  --brand-600:#6A4BFF;
  --brand-500:#8B6BFF;
  --brand-100:#EDE8FF;
  --accent-500:#FF7A45;
  --mint-500:#2FD3A0;
  --grad-brand:linear-gradient(120deg,#6A4BFF 0%,#9B5CFF 48%,#FF7A45 100%);
  --grad-soft:linear-gradient(135deg,#F4F0FF 0%,#FFF3EC 100%);
  --ink-900:#171428;
  --ink-600:#4E4A63;
  --ink-400:#7C7890;
  --bg:#FBFAFF;
  --surface:#FFFFFF;
  --line:#E9E5F5;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-btn:12px;
  --shadow-sm:0 1px 2px rgba(23,20,40,.04);
  --shadow-md:0 1px 2px rgba(23,20,40,.04),0 12px 28px -14px rgba(23,20,40,.16);
  --shadow-lg:0 2px 4px rgba(23,20,40,.05),0 22px 40px -18px rgba(106,75,255,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink-600);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit;color:inherit}
img{background-color:var(--brand-100)}

.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.wrap{padding:0 24px}}
@media (min-width:1024px){.wrap{padding:0 32px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-stuck{box-shadow:var(--shadow-sm)}
.nav-top{display:flex;align-items:center;justify-content:space-between;gap:14px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -10px rgba(106,75,255,.7);
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
@media (max-width:400px){.brand-text{font-size:16px}}

.nav-search{
  display:none;flex:1 1 auto;max-width:560px;
  position:relative;
}
.nav-search input{
  width:100%;height:46px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  padding:0 104px 0 44px;font-size:15px;color:var(--ink-900);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input::placeholder{color:var(--ink-400)}
.nav-search input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(106,75,255,.14)}
.nav-search .search-ico{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--ink-400);pointer-events:none;
}
.nav-search button{
  position:absolute;right:5px;top:5px;bottom:5px;
  border:0;border-radius:999px;padding:0 20px;
  background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;
  cursor:pointer;transition:background-position .24s var(--ease),background-color .2s var(--ease);
}
.nav-search button:hover{background:var(--brand-500)}

.nav-links{display:none;align-items:center;gap:22px;flex:0 0 auto}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-600);white-space:nowrap;
  padding:6px 2px;transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad-brand);opacity:0;transform:scaleX(.4);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.nav-links a:hover{color:var(--brand-600)}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{opacity:1;transform:scaleX(1)}
.nav-links a[aria-current="page"]{color:var(--brand-600);font-weight:600}
.nav-cta{
  display:none;height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--grad-brand);background-size:160% 100%;background-position:0 0;
  color:#fff;font-size:15px;font-weight:600;
  align-items:center;justify-content:center;white-space:nowrap;
  transition:background-position .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.nav-cta:hover{background-position:100% 0;transform:translateY(-1px);box-shadow:var(--shadow-md)}

.burger{
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;
  transition:transform .24s var(--ease);
}
.burger span::before{top:-6px}
.burger span::after{top:6px}

.nav-search-mobile{display:block;padding:0 0 12px}
.nav-search-mobile .nav-search{display:block;max-width:none}
.nav-search-mobile .nav-search input{height:44px;padding:0 96px 0 42px;font-size:14px}
.nav-search-mobile .nav-search button{padding:0 16px;font-size:13px}

.mobile-panel{
  display:none;background:#fff;border-top:1px solid var(--line);
  border-radius:0 0 var(--r-lg) var(--r-lg);
  box-shadow:var(--shadow-md);padding:8px 16px 20px;
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:flex;align-items:center;min-height:44px;
  font-size:16px;color:var(--ink-600);border-bottom:1px solid var(--line);
  transition:color .2s var(--ease);
}
.mobile-panel a:last-of-type{border-bottom:0}
.mobile-panel a:hover,.mobile-panel a[aria-current="page"]{color:var(--brand-600);font-weight:600}
.mobile-panel .nav-cta{display:flex;margin-top:14px;width:100%}

@media (min-width:1024px){
  .nav-top{height:76px;gap:24px}
  .nav-search{display:block}
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .burger{display:none}
  .nav-search-mobile{display:none}
  .mobile-panel{display:none !important}
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-position .24s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:var(--grad-brand);background-size:160% 100%;background-position:0 0;color:#fff;
}
.btn-primary:hover{background-position:100% 0;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-600)}
.btn-light{background:#fff;color:var(--brand-600)}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent-500);outline-offset:2px;border-radius:8px;
}

.chip{
  display:inline-flex;align-items:center;
  padding:2px 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:12px;font-weight:600;line-height:1.9;
}
.status-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:13px;font-weight:600;
}
.status-badge::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--mint-500);
}
.data-badge{
  border-radius:16px;background:var(--grad-brand);color:#fff;
  padding:12px 16px;line-height:1.2;
  box-shadow:0 14px 28px -16px rgba(106,75,255,.85);
}
.data-badge b{display:block;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}
.data-badge span{display:block;font-size:11px;letter-spacing:.04em;opacity:.92;margin-top:2px}

.section{padding:56px 0}
@media (min-width:768px){.section{padding:80px 0}}
@media (min-width:1024px){.section{padding:96px 0}}

.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-title{font-size:clamp(24px,3vw,36px);font-weight:700;color:var(--ink-900);line-height:1.3;letter-spacing:-.01em}
.sec-sub{margin-top:8px;font-size:15px;color:var(--ink-400);max-width:620px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-600);font-size:15px;font-weight:600;
}
.text-link svg{transition:transform .24s var(--ease)}
.text-link:hover svg{transform:translateX(2px)}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
.card-media{overflow:hidden;border-radius:var(--r-md) var(--r-md) 0 0;background:var(--brand-100)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}

.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.line-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:40px 0 48px}
@media (min-width:1024px){.hero{padding:64px 0 64px}}
.hero-glow{
  position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none;z-index:0;
}
.hero-glow.g1{width:340px;height:340px;background:rgba(106,75,255,.08);top:-80px;left:-60px}
.hero-glow.g2{width:300px;height:300px;background:rgba(255,122,69,.08);top:120px;right:-80px}
.hero-grid{position:relative;z-index:1;display:grid;gap:36px;align-items:center}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,1.18fr) minmax(0,1fr);gap:56px}
}
.hero h1{
  font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.02em;
  color:var(--ink-900);margin:18px 0 16px;
}
.hero h1 em{font-style:normal;color:var(--brand-600)}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-600);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:26px;font-size:13px;color:var(--ink-400);
}
.hero-trust span{display:inline-flex;align-items:center;gap:14px}
.hero-trust span+span::before{content:"";width:1px;height:12px;background:var(--line);display:inline-block}
.hero-visual{position:relative}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/3.4;background:var(--brand-100);box-shadow:var(--shadow-md);
}
@media (max-width:639px){.hero-media{aspect-ratio:auto;height:min(320px,56vw)}}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(106,75,255,.3) 0%,rgba(106,75,255,0) 62%);
}
.hero-media .data-badge{position:absolute;right:18px;top:18px;z-index:2}
.hero-pill{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border-radius:999px;padding:8px 16px;
  font-size:13px;font-weight:600;color:var(--ink-900);
  box-shadow:var(--shadow-md);
}
.hero-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint-500)}

/* ---------- 卖点三连 ---------- */
.points{display:grid;gap:20px}
@media (min-width:1024px){
  .points{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px}
}
.point-main{display:flex;flex-direction:column;padding:28px}
.point-main .num,.point-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  padding:2px 10px;border-radius:999px;background:var(--brand-100);color:var(--brand-600);
  font-size:13px;font-weight:700;letter-spacing:.06em;align-self:flex-start;
}
.point-main .body{display:flex;gap:20px;margin-top:20px;align-items:flex-start}
.icon-tile{
  flex:0 0 auto;width:52px;height:52px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.point-main h3{font-size:20px;font-weight:700;color:var(--ink-900);line-height:1.45;margin-bottom:8px}
.point-main p{font-size:15px;color:var(--ink-600)}
.point-main .foot{
  margin-top:auto;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.point-side{display:grid;gap:20px}
.point-card{padding:24px;display:flex;flex-direction:column;gap:12px}
.point-card .icon-tile{width:44px;height:44px;border-radius:12px}
.point-card h3{font-size:18px;font-weight:600;color:var(--ink-900)}
.point-card p{font-size:14px;color:var(--ink-600)}

/* ---------- 场景流程 ---------- */
.scene{display:grid;gap:28px}
@media (min-width:1024px){.scene{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:start}}
.scene-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-sm)}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-media::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:44%;
  background:linear-gradient(to top,rgba(255,255,255,.95),rgba(255,255,255,0));
}
.scene-media .cap{
  position:absolute;left:20px;right:20px;bottom:16px;z-index:2;
  font-size:14px;font-weight:600;color:var(--ink-900);
}
.steps{display:grid;gap:4px}
.step{
  display:grid;grid-template-columns:36px 1fr;gap:16px;
  padding:16px 14px;border-radius:14px;
  transition:background-color .24s var(--ease);
}
.step:hover{background:rgba(237,232,255,.5)}
.step-num{
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--brand-600);
  background:#fff;border:1.5px solid var(--brand-500);
}
.step h3{font-size:18px;font-weight:600;color:var(--ink-900);margin-bottom:4px}
.step p{font-size:14px;color:var(--ink-600)}
.step-divider{height:1px;margin:0 0 0 50px;border-top:1px dashed var(--line)}
.step-divider:last-child{display:none}

/* ---------- 最新信息 CMS ---------- */
.cms-duo{display:grid;gap:20px}
@media (min-width:1024px){.cms-duo{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:24px}}
.lead-card{display:flex;flex-direction:column;overflow:hidden;height:100%}
.lead-card .card-media{aspect-ratio:16/9}
.lead-body{padding:22px;display:flex;flex-direction:column;gap:10px}
.lead-body h3{font-size:21px;font-weight:700;color:var(--ink-900);line-height:1.45}
.lead-body p{font-size:14px;color:var(--ink-600)}
.lead-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--ink-400);margin-top:2px}
.cms-side{display:grid;gap:16px;align-content:start}
.side-card{
  display:block;padding:18px 18px 18px 20px;border-left:3px solid var(--brand-600);
  background:var(--surface);border-radius:0 var(--r-md) var(--r-md) 0;
  box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.side-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);background:linear-gradient(135deg,#FFFFFF 0%,#F7F4FF 100%)}
.side-card h3{font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5;margin-bottom:8px}
.side-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12px;color:var(--ink-400)}
.cms-empty{
  border:1.5px dashed var(--line);border-radius:var(--r-md);
  padding:48px 24px;text-align:center;background:#fff;
}
.cms-empty svg{width:40px;height:40px;color:var(--brand-600);opacity:.4;margin:0 auto 12px}
.cms-empty p{font-size:16px;font-weight:600;color:var(--ink-900)}
.cms-empty small{display:block;margin-top:6px;font-size:13px;color:var(--ink-400)}

/* ---------- 数据与反馈 ---------- */
.stats{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:28px}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:20px;box-shadow:var(--shadow-sm);
}
.stat b{
  display:block;font-size:26px;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:4px;font-size:12px;color:var(--ink-400)}
.quotes{display:grid;gap:18px}
@media (min-width:1024px){.quotes{grid-template-columns:repeat(3,minmax(0,1fr))}}
.quote{padding:24px;position:relative}
.quote .mark{
  font-size:28px;font-weight:800;color:var(--brand-600);opacity:.2;line-height:1;margin-bottom:8px;
}
.quote p{font-size:15px;color:var(--ink-600);line-height:1.8}
.quote footer{display:flex;align-items:center;gap:10px;margin-top:18px}
.avatar{
  width:36px;height:36px;border-radius:50%;background:var(--grad-brand);
  color:#fff;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.quote footer .who{font-size:14px;font-weight:600;color:var(--ink-900);line-height:1.3}
.quote footer .role{font-size:12px;color:var(--ink-400)}

/* ---------- 分类入口 ---------- */
.cats{display:grid;gap:20px}
@media (min-width:640px){.cats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.cats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.cat-card{display:flex;flex-direction:column;overflow:hidden;height:100%}
.cat-card .card-media{aspect-ratio:16/10}
.cat-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.cat-body h3{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.45}
.cat-body p{font-size:13px;color:var(--ink-600)}
.cat-body .text-link{margin-top:auto;font-size:14px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-list{display:grid;gap:12px;margin-top:32px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item[open]{border-color:rgba(106,75,255,.3);box-shadow:var(--shadow-md)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 20px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  flex:0 0 auto;font-size:20px;line-height:1;color:var(--ink-400);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.faq-item[open] summary .plus{transform:rotate(45deg);color:var(--brand-600)}
.faq-item .answer{padding:0 20px 20px;font-size:15px;color:var(--ink-600);line-height:1.8}

/* ---------- 底部 CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:28px;
  background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
  padding:44px 24px;
  display:grid;gap:24px;
}
@media (min-width:768px){.cta-block{padding:56px 48px}}
@media (min-width:1024px){.cta-block{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);align-items:center;padding:60px 64px}}
.cta-block::after{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  right:-120px;bottom:-160px;background:rgba(106,75,255,.35);filter:blur(70px);pointer-events:none;
}
.cta-block h2{
  position:relative;z-index:1;font-size:clamp(22px,3vw,32px);font-weight:700;
  color:#fff;line-height:1.35;
}
.cta-block p{position:relative;z-index:1;margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:520px}
.cta-actions{position:relative;z-index:1;display:grid;gap:12px}
@media (min-width:520px){.cta-actions{grid-template-columns:auto auto;justify-content:end}}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
  color:rgba(255,255,255,.7);
  padding:64px 0 8px;
}
.footer-grid{display:grid;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px}
.footer-search{position:relative;margin-top:20px;max-width:320px}
.footer-search input{
  width:100%;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.1);color:#fff;padding:0 16px 0 40px;font-size:14px;
}
.footer-search input::placeholder{color:rgba(255,255,255,.45)}
.footer-search input:focus{outline:none;border-color:rgba(199,189,255,.7);box-shadow:0 0 0 4px rgba(106,75,255,.2)}
.footer-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:rgba(255,255,255,.5)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-list li{margin-bottom:6px}
.footer-list a,.footer-list span{
  position:relative;display:inline-block;font-size:14px;line-height:1.9;
  color:rgba(255,255,255,.62);padding-left:0;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;border-radius:2px;background:var(--brand-500);
  transition:height .2s var(--ease);
}
.footer-list a:hover{color:#C7BDFF;padding-left:10px}
.footer-list a:hover::before{height:14px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin-bottom:10px}
.footer-contact svg{flex:0 0 auto;width:16px;height:16px;margin-top:5px;color:var(--brand-500)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);padding-bottom:72px;
}
.footer-bottom .policy{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom .policy a{transition:color .2s var(--ease)}
.footer-bottom .policy a:hover{color:#C7BDFF}

/* ---------- 固定转化条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
  padding-bottom:env(safe-area-inset-bottom);
  transform:translateY(110%);transition:transform .3s var(--ease);
  box-shadow:0 -10px 30px -20px rgba(23,20,40,.6);
}
.sticky-bar.show{transform:translateY(0)}
.sticky-bar .bar-btn{
  display:flex;align-items:center;justify-content:center;
  height:56px;font-size:15px;font-weight:600;
}
.sticky-bar .bar-primary{background:var(--grad-brand);color:#fff}
.sticky-bar .bar-ghost{color:#fff;border-left:1px solid rgba(255,255,255,.14)}
@media (min-width:1024px){
  .sticky-bar{
    left:50%;right:auto;bottom:24px;transform:translate(-50%,110%);
    grid-template-columns:auto auto auto;align-items:center;
    border-radius:999px;padding:8px 8px 8px 24px;
    background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
    box-shadow:var(--shadow-lg);
  }
  .sticky-bar.show{transform:translate(-50%,0)}
  .sticky-bar .bar-text{font-size:14px;color:#fff;white-space:nowrap;padding-right:16px}
  .sticky-bar .bar-btn{height:44px;border-radius:999px;padding:0 22px;font-size:14px}
  .sticky-bar .bar-primary{background:var(--grad-brand);background-size:160% 100%;transition:background-position .24s var(--ease)}
  .sticky-bar .bar-primary:hover{background-position:100% 0}
  .sticky-bar .bar-ghost{border-left:0;margin-left:8px;border:1px solid rgba(255,255,255,.3)}
  .sticky-bar .bar-ghost:hover{background:rgba(255,255,255,.08)}
}
@media (max-width:1023px){
  .sticky-bar .bar-text{display:none}
}

/* roulang page: article */
:root{
    --brand-600:#6A4BFF;
    --brand-500:#8B6BFF;
    --brand-100:#EDE8FF;
    --accent-500:#FF7A45;
    --mint-500:#2FD3A0;
    --ink-900:#171428;
    --ink-600:#4E4A63;
    --ink-400:#7C7890;
    --bg:#FBFAFF;
    --surface:#FFFFFF;
    --line:#E9E5F5;
    --grad-brand:linear-gradient(120deg,#6A4BFF 0%,#9B5CFF 48%,#FF7A45 100%);
    --grad-soft:linear-gradient(135deg,#F4F0FF 0%,#FFF3EC 100%);
    --grad-deep:linear-gradient(180deg,#171428 0%,#241B3D 100%);
    --r-xl:28px;
    --r-lg:24px;
    --r-md:20px;
    --r-sm:14px;
    --r-btn:12px;
    --shadow-sm:0 1px 2px rgba(23,20,40,.04);
    --shadow-md:0 1px 2px rgba(23,20,40,.04),0 12px 28px -14px rgba(23,20,40,.16);
    --shadow-lg:0 2px 4px rgba(23,20,40,.05),0 22px 40px -18px rgba(106,75,255,.28);
    --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;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--bg);
    color:var(--ink-600);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  input{font-family:inherit}
  h1,h2,h3,h4,p,ul,ol{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
    border:1px solid transparent;cursor:pointer;
    transition:transform .24s var(--ease),background-position .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
  }
  .btn-primary{
    color:#fff;background-image:var(--grad-brand);background-size:160% 100%;background-position:0% 50%;
    box-shadow:0 10px 24px -14px rgba(106,75,255,.7);
  }
  .btn-primary:hover{background-position:22% 50%;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line)}
  .btn-ghost:hover{border-color:rgba(106,75,255,.5);color:var(--brand-600);transform:translateY(-1px)}
  .btn-sm{min-height:40px;padding:0 18px;font-size:14px}
  .link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-size:14px;font-weight:600}
  .link-more .arw{transition:transform .24s var(--ease)}
  .link-more:hover .arw{transform:translateX(2px)}
  .link-more:hover{color:var(--accent-500)}

  /* ============ 徽章 / 标签 ============ */
  .chip{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
    background:var(--brand-100);color:var(--brand-600);font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .chip-line{background:#fff;border:1px solid var(--line);color:var(--ink-600);font-weight:500}
  .dot-live{width:6px;height:6px;border-radius:50%;background:var(--mint-500);display:inline-block;margin-right:8px}

  /* ============ HEADER ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .24s var(--ease);
  }
  .site-header.scrolled{box-shadow:var(--shadow-sm)}
  .nav-wrap{display:flex;align-items:center;gap:20px;min-height:76px}
  .logo{display:inline-flex;align-items:center;gap:10px;flex:none}
  .logo-mark{
    width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
    background-image:var(--grad-brand);background-size:160% 100%;
    color:#fff;font-size:19px;font-weight:800;letter-spacing:0;
    box-shadow:0 8px 20px -12px rgba(106,75,255,.8);
    transition:background-position .24s var(--ease);
  }
  .logo:hover .logo-mark{background-position:30% 50%}
  .logo-text{font-size:20px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
  .logo-text em{font-style:normal;color:var(--brand-600)}
  .search-form{
    flex:1 1 auto;max-width:560px;min-width:0;height:46px;display:flex;align-items:center;gap:8px;
    padding:0 5px 0 16px;background:#fff;border:1px solid var(--line);border-radius:999px;
    transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .search-form:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(106,75,255,.14)}
  .search-form svg{flex:none;color:var(--ink-400)}
  .search-form input{
    flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;
    font-size:14px;color:var(--ink-900);
  }
  .search-form input::placeholder{color:var(--ink-400)}
  .search-btn{
    flex:none;height:36px;padding:0 18px;border:0;border-radius:999px;cursor:pointer;
    background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;
    transition:background-color .24s var(--ease),transform .24s var(--ease);
  }
  .search-btn:hover{background:var(--accent-500);transform:translateY(-1px)}
  .nav-links{display:flex;align-items:center;gap:22px;flex:none}
  .nav-links a{
    position:relative;display:inline-flex;align-items:center;min-height:44px;
    font-size:16px;color:var(--ink-600);white-space:nowrap;
    transition:color .24s var(--ease);
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;right:0;bottom:9px;height:2px;border-radius:2px;
    background-image:var(--grad-brand);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-links a:hover{color:var(--brand-600)}
  .nav-links a:hover::after{transform:scaleX(1)}
  .nav-links a[aria-current="page"]{color:var(--brand-600);font-weight:600}
  .nav-links a[aria-current="page"]::after{transform:scaleX(1)}
  .nav-cta{flex:none}
  .menu-toggle{
    display:none;width:44px;height:44px;flex:none;border:1px solid var(--line);border-radius:var(--r-btn);
    background:#fff;color:var(--ink-900);cursor:pointer;align-items:center;justify-content:center;
    transition:border-color .24s var(--ease),color .24s var(--ease);
  }
  .menu-toggle:hover{border-color:rgba(106,75,255,.5);color:var(--brand-600)}
  .mobile-search{display:none}
  .mobile-panel{display:none}

  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-cta{display:none}
    .menu-toggle{display:inline-flex}
    .nav-wrap{min-height:64px;gap:12px;flex-wrap:nowrap}
    .search-form{max-width:none}
    .mobile-search{display:block;padding:0 0 12px}
    .mobile-search .search-form{height:44px;max-width:none}
    .mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);border-radius:0 0 24px 24px;box-shadow:var(--shadow-md)}
    .mobile-panel.open{display:block}
    .mobile-panel .wrap{padding-top:8px;padding-bottom:20px}
    .mobile-panel a{
      display:flex;align-items:center;min-height:44px;padding:0 4px;font-size:16px;color:var(--ink-600);
      border-bottom:1px dashed var(--line);
      transition:color .24s var(--ease),padding-left .24s var(--ease);
    }
    .mobile-panel a:last-of-type{border-bottom:0}
    .mobile-panel a:hover{color:var(--brand-600);padding-left:8px}
    .mobile-panel .btn{margin-top:12px;width:100%}
  }
  @media (max-width:639px){
    .logo-text{font-size:17px}
    .logo-mark{width:36px;height:36px;font-size:17px}
    .nav-wrap{min-height:60px}
  }

  /* ============ 页面主区 ============ */
  .page-main{padding:24px 0 64px}
  .notice-bar{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
    padding:10px 20px;background:#fff;border:1px solid var(--line);border-radius:999px;
    font-size:13px;color:var(--ink-400);
  }
  .notice-bar strong{color:var(--ink-900);font-weight:600;font-size:13px}
  .notice-bar .sep{width:1px;height:12px;background:var(--line)}

  .crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:22px;font-size:13px;color:var(--ink-400)}
  .crumb a{color:var(--ink-400);transition:color .24s var(--ease)}
  .crumb a:hover{color:var(--brand-600)}
  .crumb .divider{color:#C9C4DC}
  .crumb .current{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-400)}

  .article-head{margin-top:18px}
  .article-head h1{
    font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.32;letter-spacing:-.02em;
    color:var(--ink-900);margin-top:14px;max-width:860px;
  }
  .meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;
    font-size:13px;color:var(--ink-400);
  }
  .meta-row .dot{width:4px;height:4px;border-radius:50%;background:#CFC9E2}
  .head-rule{height:1px;background:var(--line);margin-top:22px;border:0}

  .cover-wrap{margin:26px 0 0}
  .cover-wrap .cover-img{
    width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg);
    background:var(--brand-100);box-shadow:var(--shadow-sm);
  }
  .cover-wrap figcaption{font-size:13px;color:var(--ink-400);text-align:center;margin-top:10px}

  .layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;margin-top:40px}
  @media (min-width:1024px){
    .layout{grid-template-columns:minmax(0,1fr) 320px;gap:44px}
  }
  .main-col{min-width:0;max-width:760px}
  .side-col{display:none}
  @media (min-width:1024px){
    .side-col{display:block;min-width:0}
    .side-col .side-inner{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
  }

  /* ============ 正文排版 ============ */
  .article-body{font-size:16px;line-height:1.9;color:var(--ink-600);word-break:break-word}
  .article-body p{margin:0 0 1.1em}
  .article-body > p:first-child{font-size:17px;color:var(--ink-900)}
  .article-body h2{
    font-size:clamp(19px,1.6vw,22px);font-weight:700;color:var(--ink-900);line-height:1.5;
    margin:2.2em 0 .8em;padding-left:12px;border-left:4px solid var(--brand-600);border-radius:2px;
  }
  .article-body h3{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5;margin:1.7em 0 .6em}
  .article-body h4{font-size:16px;font-weight:600;color:var(--ink-900);margin:1.4em 0 .5em}
  .article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.1em;line-height:1.9}
  .article-body ul{list-style:disc}
  .article-body ol{list-style:decimal}
  .article-body li{margin-bottom:.45em}
  .article-body li::marker{color:var(--brand-600)}
  .article-body strong{color:var(--ink-900);font-weight:700}
  .article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
  .article-body a:hover{color:var(--accent-500)}
  .article-body blockquote{
    margin:1.6em 0;padding:20px 24px;background:var(--grad-soft);
    border-left:4px solid var(--brand-600);border-radius:0 16px 16px 0;color:var(--ink-600);
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body img{border-radius:16px;margin:1.6em auto;background:var(--brand-100)}
  .article-body figure{margin:1.6em 0}
  .article-body figcaption{font-size:13px;color:var(--ink-400);text-align:center;margin-top:.6em}
  .article-body table{
    width:100%;border-collapse:separate;border-spacing:0;font-size:15px;
    border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:1.4em 0;
  }
  .article-body th{background:var(--grad-soft);color:var(--ink-900);font-weight:600;text-align:left}
  .article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
  .article-body tr:last-child td{border-bottom:0}
  .article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}
  @media (max-width:639px){
    .article-body{font-size:15px}
    .article-body > p:first-child{font-size:16px}
  }

  .empty-state{
    border:1.5px dashed var(--line);border-radius:var(--r-md);padding:48px 24px;text-align:center;
    background:#fff;
  }
  .empty-state svg{color:rgba(106,75,255,.4);margin:0 auto 14px}
  .empty-state h2{font-size:19px;font-weight:700;color:var(--ink-900)}
  .empty-state p{font-size:14px;color:var(--ink-400);margin:8px 0 20px}

  .author-note{
    margin-top:36px;padding:22px 24px;border-top:1px solid var(--line);
    background:#F8F6FF;border-radius:16px;font-size:13px;line-height:1.9;color:var(--ink-400);
  }
  .author-note strong{display:block;color:var(--ink-900);font-size:14px;font-weight:600;margin-bottom:6px}

  /* ============ 相关阅读 ============ */
  .related{margin-top:56px}
  .related-head{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
  .related-head h2{font-size:clamp(20px,2vw,24px);font-weight:700;color:var(--ink-900)}
  .related-head p{font-size:13px;color:var(--ink-400);margin-top:4px}
  .rel-grid{display:grid;grid-template-columns:1fr;gap:18px}
  @media (min-width:640px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (min-width:1024px){.rel-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}}
  .rel-card{
    display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-md);padding:16px;box-shadow:var(--shadow-sm);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
  .rel-thumb{overflow:hidden;border-radius:14px;background:var(--brand-100)}
  .rel-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .24s var(--ease)}
  .rel-card:hover .rel-thumb img{transform:scale(1.04)}
  .rel-card h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink-900);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .rel-card p{font-size:13px;color:var(--ink-400);line-height:1.7;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .rel-card .rel-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:12px;color:var(--ink-400)}

  /* ============ 侧栏 ============ */
  .side-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    padding:20px;box-shadow:var(--shadow-sm);
  }
  .side-title{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:14px;display:flex;align-items:center;gap:8px}
  .side-title::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--brand-600)}
  .toc-list li + li{margin-top:2px}
  .toc-list a{
    display:block;padding:8px 10px 8px 12px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
    font-size:13px;color:var(--ink-600);transition:all .24s var(--ease);
  }
  .toc-list a:hover{background:var(--brand-100);color:var(--brand-600)}
  .toc-list a.active{color:var(--brand-600);border-left-color:var(--brand-600);background:rgba(237,232,255,.6);font-weight:600}
  .side-links li + li{margin-top:6px}
  .side-links a{
    position:relative;display:block;padding:8px 10px 8px 14px;font-size:14px;color:var(--ink-600);
    border-radius:10px;transition:all .24s var(--ease);
  }
  .side-links a::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
    width:2px;height:16px;border-radius:2px;background-image:var(--grad-brand);
    transition:transform .24s var(--ease);
  }
  .side-links a:hover{background:#F8F6FF;color:var(--brand-600);padding-left:18px}
  .side-links a:hover::before{transform:translateY(-50%) scaleY(1)}
  .rank-list li + li{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
  .rank-list a{display:flex;gap:10px;font-size:13px;color:var(--ink-600);line-height:1.6}
  .rank-list a:hover{color:var(--brand-600)}
  .rank-no{
    flex:none;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
    background:var(--brand-100);color:var(--brand-600);font-size:11px;font-weight:700;
  }
  .rank-list li:nth-child(1) .rank-no{background-image:var(--grad-brand);color:#fff}

  /* ============ 底部转化区 ============ */
  .cta-section{padding:8px 0 0}
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-xl);
    background-image:var(--grad-deep);padding:40px 28px;color:#fff;
  }
  .cta-band::after{
    content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(106,75,255,.55) 0%,rgba(106,75,255,0) 70%);
    pointer-events:none;
  }
  .cta-band h2{position:relative;font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.4;letter-spacing:-.01em}
  .cta-band p{position:relative;font-size:15px;color:rgba(255,255,255,.72);margin-top:12px;max-width:620px}
  .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
  .cta-actions .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff}
  @media (min-width:768px){
    .cta-band{padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px}
    .cta-actions{margin-top:0;flex:none}
  }

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:64px;background-image:var(--grad-deep);color:rgba(255,255,255,.72);
    padding:64px 0 88px;
  }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
  .footer-brand .logo-text{color:#fff}
  .footer-brand .logo-text em{color:#C7BDFF}
  .footer-desc{font-size:14px;line-height:1.9;margin-top:16px;color:rgba(255,255,255,.62);max-width:320px}
  .footer-search{
    display:flex;align-items:center;gap:8px;margin-top:18px;max-width:300px;height:42px;
    padding:0 14px;border-radius:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);
    transition:border-color .24s var(--ease),background-color .24s var(--ease);
  }
  .footer-search:focus-within{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.14)}
  .footer-search svg{flex:none;color:rgba(255,255,255,.6)}
  .footer-search input{
    flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;
    color:#fff;font-size:13px;
  }
  .footer-search input::placeholder{color:rgba(255,255,255,.45)}
  .footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
  .footer-list li + li{margin-top:4px}
  .footer-list a{
    position:relative;display:inline-block;padding:5px 0 5px 0;font-size:14px;line-height:1.9;
    color:rgba(255,255,255,.66);transition:color .24s var(--ease),padding-left .24s var(--ease);
  }
  .footer-list a::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
    width:2px;height:14px;border-radius:2px;background-image:var(--grad-brand);
    transition:transform .24s var(--ease);
  }
  .footer-list a:hover{color:#C7BDFF;padding-left:12px}
  .footer-list a:hover::before{transform:translateY(-50%) scaleY(1)}
  .contact-list li{display:flex;gap:10px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);margin-bottom:8px}
  .contact-list svg{flex:none;margin-top:5px;color:#C7BDFF}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    font-size:13px;color:rgba(255,255,255,.55);
  }
  .footer-policy{display:flex;flex-wrap:wrap;gap:18px}
  .footer-policy a{transition:color .24s var(--ease)}
  .footer-policy a:hover{color:#C7BDFF}

  /* ============ 底部浮动条 ============ */
  .float-bar{
    position:fixed;left:50%;bottom:24px;transform:translate(-50%,12px);z-index:60;
    display:flex;align-items:center;gap:18px;padding:12px 16px 12px 24px;
    background-image:var(--grad-deep);border-radius:999px;box-shadow:var(--shadow-lg);
    opacity:0;pointer-events:none;transition:opacity .24s var(--ease),transform .24s var(--ease);
    max-width:calc(100% - 32px);
  }
  .float-bar.show{opacity:1;pointer-events:auto;transform:translate(-50%,0)}
  .float-text{font-size:14px;color:#fff;white-space:nowrap}
  .float-actions{display:flex;gap:8px;flex:none}
  @media (max-width:639px){
    .float-bar{
      left:0;bottom:0;transform:translateY(12px);width:100%;max-width:none;border-radius:0;
      padding:10px 12px calc(10px + env(safe-area-inset-bottom));gap:0;
    }
    .float-bar.show{transform:translateY(0)}
    .float-text{display:none}
    .float-actions{width:100%;gap:10px}
    .float-actions .btn{flex:1 1 0;min-width:0}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  }

/* roulang page: category1 */
:root{
    --brand-600:#6A4BFF;
    --brand-500:#8B6BFF;
    --brand-100:#EDE8FF;
    --accent-500:#FF7A45;
    --mint-500:#2FD3A0;
    --grad-brand:linear-gradient(120deg,#6A4BFF 0%,#9B5CFF 48%,#FF7A45 100%);
    --grad-soft:linear-gradient(135deg,#F4F0FF 0%,#FFF3EC 100%);
    --ink-900:#171428;
    --ink-600:#4E4A63;
    --ink-400:#7C7890;
    --bg:#FBFAFF;
    --surface:#FFFFFF;
    --line:#E9E5F5;
    --shadow-sm:0 1px 2px rgba(23,20,40,.04);
    --shadow-md:0 1px 2px rgba(23,20,40,.04),0 12px 28px -14px rgba(23,20,40,.16);
    --shadow-lg:0 2px 4px rgba(23,20,40,.05),0 22px 40px -18px rgba(106,75,255,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink-600);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  p{margin:0 0 1em}
  .site-wrap{overflow-x:hidden}

  /* 容器 */
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media(min-width:640px){.container{padding:0 24px}}
  @media(min-width:1024px){.container{padding:0 32px}}

  /* 顶部导航 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.96);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .24s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-sm)}
  .header-inner{
    display:flex;align-items:center;gap:20px;
    min-height:72px;padding:10px 0;flex-wrap:wrap;
  }
  .brand{display:flex;align-items:center;gap:10px;flex:none}
  .brand-mark{
    width:38px;height:38px;border-radius:11px;background:var(--grad-brand);
    color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;
    box-shadow:0 8px 18px -10px rgba(106,75,255,.7);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.2}
  .brand-text .name{font-size:18px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em}
  .brand-text .sub{font-size:11px;color:var(--ink-400);letter-spacing:.08em}
  .search-form{
    flex:1 1 260px;max-width:min(560px,38vw);
    display:flex;align-items:center;gap:6px;
    height:46px;padding:0 6px 0 14px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .search-form:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(106,75,255,.14)}
  .search-form svg{flex:none;color:var(--ink-400)}
  .search-form input{
    flex:1;min-width:0;border:0;outline:0;background:transparent;
    font-size:14px;color:var(--ink-900);height:100%;
  }
  .search-form input::placeholder{color:var(--ink-400)}
  .search-form button{
    flex:none;height:34px;padding:0 16px;border:0;border-radius:999px;
    background:var(--grad-brand);background-size:160% 160%;
    color:#fff;font-size:13px;font-weight:700;cursor:pointer;
    transition:background-position .24s var(--ease),transform .24s var(--ease);
  }
  .search-form button:hover{background-position:100% 50%;transform:translateY(-1px)}
  .search-form button:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

  .nav-links{display:flex;align-items:center;gap:2px;flex:none}
  .nav-links a{
    position:relative;display:inline-flex;align-items:center;
    height:40px;padding:0 12px;font-size:15px;color:var(--ink-600);
    border-radius:10px;transition:color .2s var(--ease),background-color .2s var(--ease);
  }
  .nav-links a::after{
    content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
    border-radius:2px;background:var(--grad-brand);
    transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
  }
  .nav-links a:hover{color:var(--brand-600);background:rgba(237,232,255,.55)}
  .nav-links a:hover::after{transform:scaleX(1)}
  .nav-links a[aria-current="page"]{color:var(--brand-600);font-weight:700}
  .nav-links a[aria-current="page"]::after{transform:scaleX(1)}
  .nav-links a:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

  .header-cta{
    flex:none;display:inline-flex;align-items:center;gap:8px;
    height:44px;padding:0 20px;border-radius:12px;border:0;cursor:pointer;
    background:var(--grad-brand);background-size:170% 170%;
    color:#fff;font-size:14px;font-weight:700;
    box-shadow:0 10px 24px -14px rgba(106,75,255,.9);
    transition:background-position .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  }
  .header-cta:hover{background-position:100% 50%;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
  .header-cta:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

  .mobile-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--line);
    border-radius:12px;background:#fff;color:var(--ink-900);cursor:pointer;
    align-items:center;justify-content:center;
  }
  .mobile-toggle:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

  @media(max-width:1023px){
    .header-inner{gap:12px;padding:12px 0}
    .brand{flex:1}
    .mobile-toggle{display:inline-flex;order:2}
    .nav-links{
      display:none;order:5;width:100%;flex-direction:column;align-items:stretch;
      gap:2px;padding:8px 0 12px;background:#fff;
      border-radius:0 0 24px 24px;
    }
    .nav-links a{height:46px;padding:0 14px;font-size:16px}
    .nav-links a::after{left:14px;right:auto;width:22px;bottom:8px}
    .search-form{order:4;max-width:none;flex:1 1 100%;width:100%;height:44px}
    .search-form input{font-size:13px}
    .header-cta{display:none}
    .nav-open .nav-links{display:flex}
  }

  /* 主视觉 */
  .page-main{padding:28px 0 0}
  .breadcrumb{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    font-size:13px;color:var(--ink-400);margin-bottom:18px;
  }
  .breadcrumb a{color:var(--ink-400);transition:color .2s var(--ease)}
  .breadcrumb a:hover{color:var(--brand-600)}
  .breadcrumb .sep{color:#C9C3DD}
  .breadcrumb .current{color:var(--ink-900);font-weight:600}

  .hero-banner{
    position:relative;overflow:hidden;
    background:var(--grad-soft);
    border:1px solid var(--line);
    border-radius:28px;
    padding:36px 24px;
    display:grid;gap:28px;
  }
  .hero-banner::after{
    content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;
    background:radial-gradient(circle,rgba(106,75,255,.16),transparent 70%);
    filter:blur(40px);pointer-events:none;
  }
  @media(min-width:768px){.hero-banner{padding:44px}}
  @media(min-width:1024px){
    .hero-banner{grid-template-columns:1.55fr .9fr;align-items:center;padding:48px}
  }
  .status-pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;background:var(--brand-100);
    color:var(--brand-600);font-size:13px;font-weight:700;
  }
  .status-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--mint-500);flex:none}
  .page-title{
    margin:16px 0 14px;font-size:clamp(30px,5vw,46px);line-height:1.18;
    font-weight:800;letter-spacing:-.02em;color:var(--ink-900);
  }
  .page-title .mark{color:var(--brand-600)}
  .hero-lead{
    font-size:16px;line-height:1.8;color:var(--ink-600);
    max-width:32em;margin-bottom:22px;
  }
  @media(min-width:768px){.hero-lead{font-size:17px}}
  .action-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
  .btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:12px;border:0;cursor:pointer;
    background:var(--grad-brand);background-size:170% 170%;
    color:#fff;font-size:15px;font-weight:700;
    box-shadow:0 12px 26px -16px rgba(106,75,255,.95);
    transition:background-position .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  }
  .btn-primary:hover{background-position:100% 50%;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
  .btn-primary:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:700;color:var(--brand-600);
    transition:color .2s var(--ease);
  }
  .link-arrow svg{transition:transform .24s var(--ease)}
  .link-arrow:hover{color:var(--accent-500)}
  .link-arrow:hover svg{transform:translateX(2px)}
  .link-arrow:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:6px}

  .hero-stats{display:grid;gap:12px;position:relative;z-index:1}
  .stat-badge{
    background:var(--grad-brand);background-size:150% 150%;
    color:#fff;border-radius:16px;padding:16px 18px;
    display:flex;align-items:center;gap:14px;
    box-shadow:0 16px 32px -22px rgba(106,75,255,.95);
  }
  .stat-badge:nth-child(2){background-position:40% 50%;opacity:.96}
  .stat-badge:nth-child(3){background-position:70% 50%;opacity:.93}
  .stat-badge:nth-child(4){background-position:100% 50%;opacity:.9}
  .stat-badge .num{
    font-size:26px;font-weight:800;line-height:1;
    font-variant-numeric:tabular-nums;letter-spacing:-.01em;
  }
  .stat-badge .label{font-size:12px;line-height:1.5;opacity:.92}

  /* 板块通用 */
  .section{padding:44px 0}
  @media(min-width:768px){.section{padding:60px 0}}
  @media(min-width:1024px){.section{padding:72px 0}}
  .section-head{max-width:640px;margin-bottom:28px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;color:var(--brand-600);
    letter-spacing:.04em;margin-bottom:10px;
  }
  .eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--grad-brand)}
  .section-title{
    font-size:clamp(23px,3vw,32px);line-height:1.3;font-weight:700;
    color:var(--ink-900);margin:0 0 10px;letter-spacing:-.01em;
  }
  .section-desc{font-size:15px;line-height:1.8;color:var(--ink-600);margin:0}

  /* 两栏布局 */
  .layout-split{display:grid;gap:24px}
  @media(min-width:1024px){
    .layout-split{grid-template-columns:280px minmax(0,1fr);gap:32px;align-items:start}
  }
  .anchor-card{
    background:var(--surface);border:1px solid var(--line);border-radius:20px;
    padding:20px;box-shadow:var(--shadow-sm);
  }
  @media(min-width:1024px){.anchor-card{position:sticky;top:96px}}
  .anchor-card .anchor-title{
    font-size:13px;font-weight:700;color:var(--ink-400);
    letter-spacing:.08em;margin:0 0 12px;
  }
  .anchor-card a{
    display:block;position:relative;
    padding:10px 12px 10px 14px;border-radius:10px;
    font-size:14px;color:var(--ink-600);
    transition:color .2s var(--ease),background-color .2s var(--ease);
  }
  .anchor-card a::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
    width:3px;height:18px;border-radius:3px;background:var(--grad-brand);
    transition:transform .24s var(--ease);
  }
  .anchor-card a:hover{background:rgba(237,232,255,.6);color:var(--brand-600)}
  .anchor-card a:hover::before{transform:translateY(-50%) scaleY(1)}
  .anchor-card a.is-active{color:var(--brand-600);font-weight:700;background:rgba(237,232,255,.6)}
  .anchor-card a.is-active::before{transform:translateY(-50%) scaleY(1)}
  .anchor-card a:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

  .service-list{display:grid;gap:16px}
  .service-card{
    display:flex;gap:16px;align-items:flex-start;
    background:var(--surface);border:1px solid var(--line);border-radius:20px;
    padding:22px;box-shadow:var(--shadow-sm);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
  .service-icon{
    flex:none;width:48px;height:48px;border-radius:14px;
    background:var(--grad-brand);color:#fff;display:grid;place-items:center;
    box-shadow:0 10px 22px -16px rgba(106,75,255,.95);
  }
  .service-body{min-width:0}
  .service-card h3{
    font-size:19px;font-weight:700;color:var(--ink-900);
    margin:0 0 8px;line-height:1.45;
  }
  .service-card p{font-size:15px;line-height:1.8;color:var(--ink-600);margin:0 0 12px}
  .service-card .link-arrow{font-size:13px}

  /* 保障带 */
  .guard-grid{display:grid;gap:16px}
  @media(min-width:640px){.guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media(min-width:1024px){.guard-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}}
  .guard-card{
    background:var(--surface);border:1px solid var(--line);border-radius:20px;
    padding:22px;box-shadow:var(--shadow-sm);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .guard-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
  .guard-card .idx{
    display:inline-flex;align-items:center;justify-content:center;
    min-width:34px;height:26px;padding:0 9px;border-radius:999px;
    background:var(--brand-100);color:var(--brand-600);
    font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
    margin-bottom:12px;
  }
  .guard-card h3{font-size:17px;font-weight:700;color:var(--ink-900);margin:0 0 8px;line-height:1.5}
  .guard-card p{font-size:14px;line-height:1.8;color:var(--ink-600);margin:0}

  /* 访客心声 */
  .voice-card{
    background:var(--surface);border:1px solid var(--line);border-radius:24px;
    padding:26px;box-shadow:var(--shadow-sm);max-width:760px;
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
  .voice-quote{
    font-family:Georgia,"Times New Roman",serif;font-size:40px;line-height:1;
    color:rgba(106,75,255,.25);margin-bottom:6px;
  }
  .voice-card blockquote{
    margin:0 0 20px;font-size:16px;line-height:1.85;color:var(--ink-600);
  }
  .voice-foot{display:flex;align-items:center;gap:12px}
  .avatar{
    width:42px;height:42px;border-radius:50%;flex:none;
    background:var(--grad-brand);color:#fff;
    display:grid;place-items:center;font-size:16px;font-weight:700;
  }
  .voice-foot .who{font-size:14px;font-weight:700;color:var(--ink-900);line-height:1.4}
  .voice-foot .role{font-size:12px;color:var(--ink-400);line-height:1.4}

  /* 延伸阅读 */
  .read-grid{display:grid;gap:18px}
  @media(min-width:640px){.read-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media(min-width:1024px){.read-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}}
  .read-card{
    display:flex;flex-direction:column;overflow:hidden;
    background:var(--surface);border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow-sm);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
  .read-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-100)}
  .read-thumb img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .32s var(--ease);
  }
  .read-card:hover .read-thumb img{transform:scale(1.04)}
  .read-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .chip{
    align-self:flex-start;display:inline-flex;align-items:center;
    padding:4px 11px;border-radius:999px;
    background:var(--brand-100);color:var(--brand-600);
    font-size:12px;font-weight:700;line-height:1.5;
  }
  .read-card h3{
    font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.5;margin:0;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .read-card p{
    font-size:14px;line-height:1.75;color:var(--ink-600);margin:0;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .read-card .link-arrow{margin-top:auto;font-size:13px}

  /* FAQ */
  .faq-wrap{max-width:880px;margin:0 auto}
  .faq-list{display:grid;gap:12px;margin-top:28px}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow-sm);
    transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:60px;padding:14px 20px;cursor:pointer;
    font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:16px}
  .faq-item .plus{
    flex:none;font-size:20px;line-height:1;color:var(--ink-400);
    transition:transform .24s var(--ease),color .24s var(--ease);
  }
  .faq-item[open]{border-color:rgba(106,75,255,.3);box-shadow:var(--shadow-md)}
  .faq-item[open] .plus{transform:rotate(45deg);color:var(--brand-600)}
  .faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-600)}
  .faq-answer p{margin:0}

  /* 深色转化区 */
  .cta-band{
    position:relative;overflow:hidden;
    background:linear-gradient(160deg,#171428 0%,#241B3D 100%);
    border-radius:28px;padding:36px 24px;
    display:grid;gap:24px;
  }
  @media(min-width:768px){.cta-band{padding:48px}}
  @media(min-width:1024px){.cta-band{grid-template-columns:1.4fr .9fr;align-items:center;padding:56px 56px}}
  .cta-band::after{
    content:"";position:absolute;right:-60px;bottom:-100px;width:300px;height:300px;
    background:radial-gradient(circle,rgba(106,75,255,.45),transparent 70%);
    filter:blur(50px);pointer-events:none;
  }
  .cta-band h2{
    font-size:clamp(23px,3vw,32px);line-height:1.3;font-weight:800;
    color:#fff;margin:0 0 12px;letter-spacing:-.01em;position:relative;z-index:1;
  }
  .cta-band p{
    font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;position:relative;z-index:1;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
  @media(max-width:767px){.cta-actions{flex-direction:column}.cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%}}
  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:12px;cursor:pointer;
    background:transparent;border:1px solid rgba(255,255,255,.35);
    color:#fff;font-size:15px;font-weight:600;
    transition:border-color .24s var(--ease),background-color .24s var(--ease),transform .24s var(--ease);
  }
  .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px)}
  .btn-ghost:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

  /* 页脚 */
  .site-footer{
    margin-top:56px;
    background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
    color:rgba(255,255,255,.72);
    padding:56px 0 0;
  }
  .footer-grid{display:grid;gap:32px}
  @media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .footer-brand .brand-mark{box-shadow:none}
  .footer-brand .name{font-size:18px;font-weight:800;color:#fff;line-height:1.3}
  .footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:0 0 16px;max-width:26em}
  .footer-search{display:flex;align-items:center;gap:8px;max-width:280px}
  .footer-search input{
    flex:1;min-width:0;height:42px;padding:0 14px;
    border-radius:12px;border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.1);color:#fff;font-size:13px;outline:0;
    transition:border-color .24s var(--ease),background-color .24s var(--ease);
  }
  .footer-search input::placeholder{color:rgba(255,255,255,.45)}
  .footer-search input:focus{border-color:rgba(199,189,255,.8);background:rgba(255,255,255,.14)}
  .footer-search button{
    flex:none;height:42px;padding:0 16px;border:0;border-radius:12px;cursor:pointer;
    background:var(--grad-brand);background-size:170% 170%;
    color:#fff;font-size:13px;font-weight:700;
    transition:background-position .24s var(--ease);
  }
  .footer-search button:hover{background-position:100% 50%}
  .footer-search button:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
  .footer-col h3{
    font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:.02em;
  }
  .footer-col li{margin-bottom:10px}
  .footer-col a{
    position:relative;display:inline-block;padding-left:0;
    font-size:14px;color:rgba(255,255,255,.66);
    transition:color .2s var(--ease),padding-left .24s var(--ease);
  }
  .footer-col a::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:2px;height:14px;border-radius:2px;background:var(--grad-brand);
    opacity:0;transition:opacity .24s var(--ease);
  }
  .footer-col a:hover{color:#C7BDFF;padding-left:10px}
  .footer-col a:hover::before{opacity:1}
  .footer-col a:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:4px}
  .footer-contact li{
    display:flex;gap:10px;font-size:14px;line-height:1.7;
    color:rgba(255,255,255,.66);margin-bottom:12px;
  }
  .footer-contact svg{flex:none;margin-top:4px;color:var(--brand-500)}
  .footer-bottom{
    margin-top:40px;padding:20px 0 72px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.6);
  }
  .footer-bottom .policies{display:flex;flex-wrap:wrap;gap:16px}
  .footer-bottom .policies a{transition:color .2s var(--ease)}
  .footer-bottom .policies a:hover{color:#C7BDFF}

  /* 固定转化条 */
  .sticky-bar{
    position:fixed;left:50%;bottom:24px;transform:translate(-50%,12px);
    z-index:55;display:none;align-items:center;gap:14px;
    padding:10px 12px 10px 20px;border-radius:999px;
    background:linear-gradient(160deg,#171428 0%,#241B3D 100%);
    color:#fff;box-shadow:var(--shadow-lg);
    opacity:0;transition:opacity .28s var(--ease),transform .28s var(--ease);
  }
  .sticky-bar.is-visible{display:flex;opacity:1;transform:translate(-50%,0)}
  .sticky-bar .txt{font-size:13px;color:rgba(255,255,255,.78);white-space:nowrap}
  .sticky-bar .mini{
    display:inline-flex;align-items:center;justify-content:center;
    height:38px;padding:0 16px;border-radius:999px;font-size:13px;font-weight:700;
    background:var(--grad-brand);background-size:170% 170%;color:#fff;border:0;cursor:pointer;
    transition:background-position .24s var(--ease);
  }
  .sticky-bar .mini:hover{background-position:100% 50%}
  .sticky-bar .mini.ghost{
    background:transparent;border:1px solid rgba(255,255,255,.35);font-weight:600;
  }
  .sticky-bar .mini.ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
  .sticky-bar .mini:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
  @media(max-width:767px){
    .sticky-bar{
      left:0;right:0;bottom:0;transform:translateY(100%);
      width:100%;border-radius:16px 16px 0 0;padding:8px 10px calc(8px + env(safe-area-inset-bottom));
      gap:8px;
    }
    .sticky-bar.is-visible{transform:translateY(0)}
    .sticky-bar .txt{display:none}
    .sticky-bar .mini{flex:1;height:42px}
  }

/* roulang page: category2 */
:root{
  --brand-600:#6A4BFF;
  --brand-500:#8B6BFF;
  --brand-100:#EDE8FF;
  --accent-500:#FF7A45;
  --mint-500:#2FD3A0;
  --grad-brand:linear-gradient(120deg,#6A4BFF 0%,#9B5CFF 48%,#FF7A45 100%);
  --grad-soft:linear-gradient(135deg,#F4F0FF 0%,#FFF3EC 100%);
  --ink-900:#171428;
  --ink-600:#4E4A63;
  --ink-400:#7C7890;
  --bg:#FBFAFF;
  --surface:#FFFFFF;
  --line:#E9E5F5;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-btn:12px;
  --shadow-sm:0 1px 2px rgba(23,20,40,.04);
  --shadow-md:0 1px 2px rgba(23,20,40,.04),0 12px 28px -14px rgba(23,20,40,.16);
  --shadow-lg:0 2px 4px rgba(23,20,40,.05),0 22px 40px -18px rgba(106,75,255,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.site{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink-600);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit}
input{font:inherit}
::selection{background:rgba(106,75,255,.18)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:48px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:80px 0}}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background-image:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:17px;font-weight:800;letter-spacing:0;
  box-shadow:0 10px 20px -12px rgba(106,75,255,.9);
}
.brand-name{font-size:19px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--brand-600)}
.nav-search{display:none}
@media(min-width:1024px){
  .nav-search{display:flex;flex:1 1 auto;max-width:420px;min-width:150px;position:relative}
}
.search-form{display:flex;align-items:center;gap:8px;width:100%;position:relative}
.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-400);pointer-events:none}
.search-input{
  width:100%;height:46px;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:0 92px 0 44px;font-size:14px;color:var(--ink-900);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-input::placeholder{color:var(--ink-400)}
.search-input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(106,75,255,.14)}
.search-btn{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  height:34px;padding:0 16px;border-radius:999px;border:none;cursor:pointer;
  background-image:var(--grad-brand);background-size:160% 100%;background-position:0 50%;
  color:#fff;font-size:13px;font-weight:600;
  transition:background-position .24s var(--ease);
}
.search-btn:hover{background-position:60% 50%}
.search-btn:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.nav-links{display:none;align-items:center;gap:22px;flex:0 0 auto}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-links a{
  position:relative;padding:8px 0;font-size:15px;font-weight:500;color:var(--ink-600);
  white-space:nowrap;transition:color .24s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background-image:var(--grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--brand-600)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a[aria-current="page"]{color:var(--brand-600);font-weight:600}
.nav-links a[aria-current="page"]::after{transform:scaleX(1)}
.nav-cta{display:none}
@media(min-width:1024px){.nav-cta{display:inline-flex;flex:0 0 auto}}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;color:var(--ink-900);
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.menu-toggle:hover{border-color:rgba(106,75,255,.45);color:var(--brand-600)}
.menu-toggle:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
@media(min-width:1024px){.menu-toggle{display:none}}
.nav-search-mobile{display:block;padding:0 0 14px}
@media(min-width:1024px){.nav-search-mobile{display:none}}
.mobile-menu{
  display:none;background:#fff;border-top:1px solid var(--line);
  border-radius:0 0 var(--r-lg) var(--r-lg);box-shadow:var(--shadow-md);
  padding:12px 16px 22px;
}
.mobile-menu.is-open{display:block}
.mobile-menu a{
  display:flex;align-items:center;min-height:44px;font-size:15px;color:var(--ink-600);
  border-bottom:1px dashed var(--line);
}
.mobile-menu a:last-of-type{border-bottom:none}
.mobile-menu a[aria-current="page"]{color:var(--brand-600);font-weight:600}
.mobile-menu .btn{width:100%;margin-top:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),
             background-position .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-primary{
  background-image:var(--grad-brand);background-size:160% 100%;background-position:0 50%;
  color:#fff;box-shadow:0 12px 26px -16px rgba(106,75,255,.9);
}
.btn-primary:hover{background-position:60% 50%;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:rgba(106,75,255,.5);color:var(--brand-600);transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.btn-sm{height:42px;padding:0 18px;font-size:14px}

/* ---------- 标签 / 徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--ink-600);
  transition:border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),background-position .24s var(--ease);
}
.chip:hover{border-color:rgba(106,75,255,.45);color:var(--brand-600);transform:translateY(-1px)}
.chip.is-active{
  background-image:var(--grad-brand);background-size:150% 100%;background-position:0 50%;
  color:#fff;border-color:transparent;box-shadow:0 10px 22px -14px rgba(106,75,255,.9);
}
.chip-sm{
  height:26px;padding:0 11px;font-size:12px;font-weight:600;
  background:var(--brand-100);border-color:transparent;color:var(--brand-600);
}
.status-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);font-size:13px;font-weight:600;
}
.status-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--mint-500);flex:0 0 auto}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);padding-top:24px}
.crumb a{color:var(--ink-400);transition:color .24s var(--ease)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{opacity:.45}
.crumb .cur{color:var(--ink-600)}

/* ---------- Hero ---------- */
.page-hero{padding:8px 0 0}
.hero-grid{display:grid;gap:28px;align-items:end;margin-top:24px}
@media(min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:40px}}
.hero-title{
  font-size:clamp(30px,5vw,46px);line-height:1.18;letter-spacing:-.02em;font-weight:800;
  color:var(--ink-900);margin-top:16px;
}
.hero-title em{
  font-style:normal;color:var(--brand-600);
  background-image:linear-gradient(120deg,#6A4BFF,#FF7A45);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.85;color:var(--ink-600);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.filter-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);padding:22px;
}
.filter-title{font-size:13px;font-weight:700;color:var(--ink-400);letter-spacing:.04em}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}

/* ---------- 快讯条 ---------- */
.ticker-section{padding:28px 0 0}
.ticker{
  display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow-sm);padding:14px 18px;
}
.ticker-label{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;padding:4px 12px;
  border-radius:999px;background:var(--brand-100);color:var(--brand-600);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.ticker-list{display:flex;gap:28px;flex:1 1 auto;min-width:0;overflow:hidden}
.ticker-list li{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-600);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.ticker-list .dot{width:6px;height:6px;border-radius:50%;background:var(--mint-500);flex:0 0 auto}
@media(max-width:767px){
  .ticker{flex-direction:column;align-items:flex-start;gap:12px}
  .ticker-list{flex-direction:column;gap:8px;width:100%}
  .ticker-list li{white-space:normal;align-items:flex-start}
  .ticker-list .dot{margin-top:8px}
}

/* ---------- 板块头 ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;color:var(--ink-900);letter-spacing:-.01em}
.section-desc{margin-top:10px;font-size:15px;color:var(--ink-400);max-width:640px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-600);
  transition:color .24s var(--ease);
}
.link-more span{transition:transform .24s var(--ease)}
.link-more:hover{color:var(--accent-500)}
.link-more:hover span{transform:translateX(3px)}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.feed-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.feed-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
.feed-card-link{display:block;height:100%}
.feed-cover{aspect-ratio:16/10;background:var(--brand-100);overflow:hidden}
.feed-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.feed-card:hover .feed-cover img{transform:scale(1.04)}
.feed-body{padding:20px 20px 22px}
.feed-body h3{margin-top:12px;font-size:18px;font-weight:600;line-height:1.45;color:var(--ink-900)}
.feed-body p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-600)}
.feed-meta{display:block;margin-top:16px;font-size:13px;color:var(--ink-400)}

/* ---------- 编辑部精选 ---------- */
.feature-layout{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.feature-layout{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:28px}}
.feature-main{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
.feature-media{position:relative;aspect-ratio:16/9;background:var(--brand-100);overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.feature-main:hover .feature-media img{transform:scale(1.04)}
.feature-media::after{
  content:"";position:absolute;inset:auto 0 0 0;height:56%;
  background:linear-gradient(180deg,rgba(23,20,40,0) 0%,rgba(23,20,40,.72) 100%);
}
.feature-caption{
  position:absolute;left:0;right:0;bottom:0;padding:24px;z-index:2;color:#fff;
}
.feature-caption h3{font-size:clamp(19px,2.2vw,24px);font-weight:700;line-height:1.4;color:#fff}
.feature-caption p{margin-top:8px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.86)}
.rank-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);padding:24px;
}
.rank-card h3{font-size:17px;font-weight:700;color:var(--ink-900)}
.rank-list{margin-top:16px}
.rank-list li{border-top:1px dashed var(--line);padding:14px 0;display:flex;gap:12px;align-items:flex-start}
.rank-list li:first-child{border-top:none;padding-top:0}
.rank-no{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:var(--brand-600);background:var(--brand-100);
  font-variant-numeric:tabular-nums;margin-top:2px;
}
.rank-list a{font-size:14px;line-height:1.65;color:var(--ink-600);transition:color .24s var(--ease)}
.rank-list a:hover{color:var(--brand-600)}
.rank-note{margin-top:16px;font-size:13px;color:var(--ink-400)}

/* ---------- 延伸阅读 ---------- */
.read-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.read-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}}
.read-card{
  display:block;height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-sm);padding:24px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
.read-card h3{margin-top:14px;font-size:17px;font-weight:600;line-height:1.5;color:var(--ink-900)}
.read-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-600)}
.read-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background-image:var(--grad-brand);color:#fff;
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;padding:40px 24px;
  background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
}
@media(min-width:768px){.cta-card{padding:56px 48px}}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,75,255,.55) 0%,rgba(106,75,255,0) 70%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;gap:24px;align-items:center}
@media(min-width:900px){.cta-inner{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px}}
.cta-title{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.35;color:#fff;letter-spacing:-.01em}
.cta-desc{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){.cta-actions{justify-content:flex-end}}
.cta-actions .btn{width:100%}
@media(min-width:520px){.cta-actions .btn{width:auto}}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.42);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:64px;padding:64px 0 96px;
  background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
  color:rgba(255,255,255,.72);
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-name em{color:#C7BDFF}
.footer-about{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px}
.footer-search{display:flex;margin-top:18px;max-width:300px;position:relative}
.footer-search input{
  width:100%;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.1);color:#fff;padding:0 14px;font-size:13px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.footer-search input::placeholder{color:rgba(255,255,255,.45)}
.footer-search input:focus{outline:none;border-color:rgba(199,189,255,.8);box-shadow:0 0 0 4px rgba(106,75,255,.22)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links a{
  position:relative;display:inline-block;padding-left:0;font-size:14px;line-height:34px;
  color:rgba(255,255,255,.72);
  transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;border-radius:2px;background:var(--brand-500);
  transition:height .24s var(--ease);
}
.footer-links a:hover{color:#C7BDFF;padding-left:10px}
.footer-links a:hover::before{height:14px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);margin-bottom:12px}
.footer-contact svg{flex:0 0 auto;margin-top:5px;color:#C7BDFF}
.footer-person{
  display:flex;align-items:center;gap:12px;margin-top:20px;padding:14px 16px;
  border-radius:14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  max-width:300px;
}
.avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background-image:linear-gradient(120deg,#6A4BFF,#FF7A45);color:#fff;
  font-size:15px;font-weight:700;flex:0 0 auto;
}
.who{font-size:14px;font-weight:600;color:#fff;line-height:1.4}
.role{font-size:12px;color:rgba(255,255,255,.55);line-height:1.5}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.55);transition:color .24s var(--ease)}
.footer-bottom a:hover{color:#C7BDFF}
.footer-policy{display:flex;flex-wrap:wrap;gap:18px}

/* ---------- 固定转化条 ---------- */
.float-bar{
  position:fixed;left:50%;bottom:24px;z-index:60;
  transform:translateX(-50%) translateY(10px);
  display:flex;align-items:center;gap:16px;
  padding:12px 14px 12px 22px;border-radius:999px;
  background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
  box-shadow:var(--shadow-lg);
  opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
  max-width:calc(100% - 32px);
}
.float-bar.is-visible{opacity:1;transform:translateX(-50%) translateY(0);pointer-events:auto}
.float-text{font-size:14px;color:#fff;white-space:nowrap}
.float-text small{display:block;font-size:12px;color:rgba(255,255,255,.6);line-height:1.5}
.float-actions{display:flex;gap:10px;flex:0 0 auto}
.float-actions .btn{height:42px;padding:0 18px;font-size:14px}
@media(max-width:767px){
  .float-bar{
    left:0;right:0;bottom:0;transform:translateY(10px);
    max-width:none;border-radius:0;gap:0;padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    flex-direction:column;align-items:stretch;
  }
  .float-bar.is-visible{transform:translateY(0)}
  .float-text{display:none}
  .float-actions{width:100%}
  .float-actions .btn{flex:1 1 0;height:44px;padding:0 12px}
  .site-footer{padding-bottom:112px}
}

/* roulang page: category3 */
:root{
    --brand-600:#6A4BFF;
    --brand-500:#8B6BFF;
    --brand-100:#EDE8FF;
    --accent-500:#FF7A45;
    --mint-500:#2FD3A0;
    --grad-brand:linear-gradient(120deg,#6A4BFF 0%,#9B5CFF 48%,#FF7A45 100%);
    --grad-soft:linear-gradient(135deg,#F4F0FF 0%,#FFF3EC 100%);
    --ink-900:#171428;
    --ink-600:#4E4A63;
    --ink-400:#7C7890;
    --bg:#FBFAFF;
    --surface:#FFFFFF;
    --line:#E9E5F5;
    --r-lg:24px;
    --r-md:20px;
    --r-sm:14px;
    --r-btn:12px;
    --shadow-sm:0 1px 2px rgba(23,20,40,.04);
    --shadow-md:0 1px 2px rgba(23,20,40,.04),0 12px 28px -14px rgba(23,20,40,.16);
    --shadow-lg:0 2px 4px rgba(23,20,40,.05),0 22px 40px -18px rgba(106,75,255,.28);
    --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;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--ink-600);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
  button{font-family:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,p{margin:0}
  :focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
  .container{max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .24s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-sm)}
  .header-inner{display:flex;align-items:center;gap:20px;min-height:76px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{
    width:38px;height:38px;border-radius:10px;background:var(--grad-brand);
    color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
    box-shadow:var(--shadow-sm);flex:0 0 auto;
  }
  .logo-text{font-size:20px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em;white-space:nowrap}
  .search-form{
    display:flex;align-items:center;gap:8px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    height:46px;padding:5px 5px 5px 16px;
    width:min(560px,38vw);flex:1 1 240px;margin:0 auto;
    transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .search-form:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(106,75,255,.14)}
  .search-form svg{flex:0 0 auto;color:var(--ink-400)}
  .search-form input{
    flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;
    font-size:15px;color:var(--ink-900);line-height:1.4;
  }
  .search-form input::placeholder{color:var(--ink-400)}
  .search-form button{
    flex:0 0 auto;height:36px;padding:0 18px;border:0;border-radius:999px;cursor:pointer;
    background:var(--grad-brand);background-size:160% 100%;background-position:0 0;
    color:#fff;font-size:14px;font-weight:600;
    transition:background-position .24s var(--ease),transform .24s var(--ease);
  }
  .search-form button:hover{background-position:60% 0;transform:translateY(-1px)}
  .nav-links{display:flex;align-items:center;gap:24px;margin-left:auto}
  .nav-links a{
    position:relative;font-size:16px;color:var(--ink-600);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(--grad-brand);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-links a:hover{color:var(--brand-600)}
  .nav-links a:hover::after{transform:scaleX(1)}
  .nav-links a[aria-current="page"]{color:var(--brand-600);font-weight:600}
  .nav-links a[aria-current="page"]::after{transform:scaleX(1)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-position .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
  }
  .btn-primary{
    background:var(--grad-brand);background-size:160% 100%;background-position:0 0;color:#fff;
    box-shadow:var(--shadow-md);
  }
  .btn-primary:hover{background-position:60% 0;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
  .btn-outline{background:#fff;border-color:var(--line);color:var(--ink-900)}
  .btn-outline:hover{border-color:var(--brand-600);color:var(--brand-600);transform:translateY(-1px)}
  .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);color:#fff}
  .btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}
  .header-cta{flex:0 0 auto;height:44px;padding:0 20px;font-size:15px}
  .menu-toggle{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:#fff;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
  }
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;
  }
  .menu-toggle span::before{top:-6px}
  .menu-toggle span::after{top:6px}
  .mobile-menu{display:none;width:100%;background:#fff;border-radius:0 0 var(--r-lg) var(--r-lg);border-top:1px solid var(--line);padding:8px 0 16px}
  .mobile-menu.is-open{display:block}
  .mobile-menu a{
    display:flex;align-items:center;min-height:44px;padding:0 4px;font-size:16px;color:var(--ink-600);
    border-bottom:1px solid var(--line);
  }
  .mobile-menu a:last-of-type{border-bottom:0}
  .mobile-menu a[aria-current="page"]{color:var(--brand-600);font-weight:600}
  .mobile-menu .btn{margin-top:12px;width:100%}

  /* ---------- Breadcrumb ---------- */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);padding:22px 0 0;flex-wrap:wrap}
  .breadcrumb a{color:var(--ink-400)}
  .breadcrumb a:hover{color:var(--brand-600)}
  .breadcrumb .sep{color:#CFC9E2}
  .breadcrumb .current{color:var(--ink-600)}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;padding:44px 0 56px;text-align:center}
  .hero::before,.hero::after{
    content:"";position:absolute;width:340px;height:340px;border-radius:50%;
    filter:blur(60px);pointer-events:none;z-index:0;
  }
  .hero::before{background:rgba(106,75,255,.16);top:-120px;left:-80px}
  .hero::after{background:rgba(255,122,69,.14);top:-60px;right:-100px}
  .hero .container{position:relative;z-index:1}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
    background:var(--brand-100);color:var(--brand-600);font-size:13px;font-weight:600;
  }
  .hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--mint-500)}
  .hero h1{
    margin:18px auto 0;max-width:900px;
    font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--ink-900);
  }
  .hero h1 .hl{color:var(--brand-600)}
  .hero-sub{margin:16px auto 0;max-width:620px;font-size:17px;color:var(--ink-600);line-height:1.8}
  .hero-search{margin:28px auto 0;width:min(560px,100%)}
  .hero-search .search-form{width:100%;margin:0;height:52px;padding-left:18px}
  .hero-search .search-form button{height:40px;padding:0 22px}
  .trust-row{
    margin:26px auto 0;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
    gap:14px;font-size:13px;color:var(--ink-400);
  }
  .trust-row span{display:inline-flex;align-items:center;gap:6px}
  .trust-row span+span{padding-left:14px;border-left:1px solid var(--line)}
  .trust-row i{width:6px;height:6px;border-radius:50%;background:var(--mint-500);display:inline-block}

  /* ---------- Section base ---------- */
  .section{padding:56px 0}
  .section-head{max-width:720px;margin:0 auto 34px;text-align:center}
  .section-head.left{text-align:left;margin-left:0}
  .h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.3;color:var(--ink-900);letter-spacing:-.01em}
  .lead{margin-top:12px;font-size:15px;color:var(--ink-600)}
  .chip{
    display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
    background:var(--brand-100);color:var(--brand-600);font-size:12px;font-weight:600;
  }
  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600)}
  .link-more svg{transition:transform .24s var(--ease)}
  .link-more:hover svg{transform:translateX(3px)}

  /* ---------- Steps ---------- */
  .steps-wrap{position:relative}
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
  .step{
    position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    padding:26px 22px 24px;box-shadow:var(--shadow-sm);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
  .step-num{
    width:44px;height:44px;border-radius:50%;background:var(--grad-brand);
    color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;
    font-variant-numeric:tabular-nums;box-shadow:var(--shadow-sm);
  }
  .step h3{margin-top:16px;font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5}
  .step p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-600)}
  .step:not(:last-child)::after{
    content:"";position:absolute;top:48px;right:-12px;width:22px;border-top:2px dashed rgba(106,75,255,.38);
  }

  /* ---------- Showcase ---------- */
  .showcase{
    position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);
    aspect-ratio:16/6;background:var(--brand-100);
  }
  .showcase img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
  .showcase:hover img{transform:scale(1.03)}
  .showcase::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(23,20,40,0) 40%,rgba(23,20,40,.55) 100%);
  }
  .showcase-caption{
    position:absolute;left:0;right:0;bottom:0;z-index:2;padding:22px 26px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.92) 58%);
  }
  .showcase-caption p{font-size:15px;font-weight:600;color:var(--ink-900)}
  .showcase-caption span{font-size:13px;color:var(--ink-400)}

  /* ---------- Tips ---------- */
  .tips-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  .tip-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    padding:26px 24px;box-shadow:var(--shadow-sm);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
  .tip-icon{
    width:44px;height:44px;border-radius:12px;background:var(--grad-brand);color:#fff;
    display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);
  }
  .tip-card h3{margin-top:16px;font-size:18px;font-weight:600;color:var(--ink-900)}
  .tip-card p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-600)}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow-sm);transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .faq-item[open]{border-color:rgba(106,75,255,.3);box-shadow:var(--shadow-md)}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:60px;padding:10px 20px;cursor:pointer;list-style:none;
    font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary .plus{
    flex:0 0 auto;width:20px;height:20px;position:relative;color:var(--ink-400);
    transition:transform .24s var(--ease),color .24s var(--ease);
  }
  .faq-item summary .plus::before,.faq-item summary .plus::after{
    content:"";position:absolute;background:currentColor;border-radius:2px;
  }
  .faq-item summary .plus::before{left:0;top:9px;width:20px;height:2px}
  .faq-item summary .plus::after{left:9px;top:0;width:2px;height:20px}
  .faq-item[open] summary .plus{transform:rotate(45deg);color:var(--brand-600)}
  .faq-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-600)}
  .faq-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}

  /* ---------- Read grid ---------- */
  .read-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  .read-card{
    display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;box-shadow:var(--shadow-sm);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28)}
  .read-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-100)}
  .read-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
  .read-card:hover .thumb img{transform:scale(1.04)}
  .read-card .body{padding:20px}
  .read-card h3{margin-top:12px;font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5}
  .read-card p{margin-top:8px;font-size:14px;color:var(--ink-600);line-height:1.8}

  /* ---------- CTA band ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:28px;
    background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
    padding:44px 32px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
    box-shadow:var(--shadow-md);
  }
  .cta-band::after{
    content:"";position:absolute;right:-80px;top:-60px;width:300px;height:300px;border-radius:50%;
    background:rgba(106,75,255,.35);filter:blur(60px);pointer-events:none;
  }
  .cta-band .cta-text{position:relative;z-index:1;max-width:620px}
  .cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;line-height:1.35}
  .cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72)}
  .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

  /* ---------- Footer ---------- */
  .site-footer{
    margin-top:56px;
    background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
    color:rgba(255,255,255,.72);
    padding:64px 0 96px;
  }
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
  .foot-brand .logo-text{color:#fff}
  .foot-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px}
  .foot-search{
    margin-top:18px;display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
    background:rgba(255,255,255,.1);border-radius:12px;border:1px solid rgba(255,255,255,.14);
  }
  .foot-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:#fff;font-size:14px}
  .foot-search input::placeholder{color:rgba(255,255,255,.5)}
  .foot-search button{background:transparent;border:0;color:#C7BDFF;font-size:14px;font-weight:600;cursor:pointer}
  .foot-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
  .foot-links li{margin-bottom:10px}
  .foot-links a{
    position:relative;display:inline-block;font-size:14px;line-height:1.6;
    color:rgba(255,255,255,.68);padding-left:0;
    transition:color .24s var(--ease),padding-left .24s var(--ease);
  }
  .foot-links a::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:2px;height:0;background:var(--brand-500);border-radius:2px;
    transition:height .24s var(--ease);
  }
  .foot-links a:hover{color:#C7BDFF;padding-left:10px}
  .foot-links a:hover::before{height:14px}
  .foot-contact li{display:flex;gap:10px;font-size:14px;line-height:1.8;margin-bottom:12px;color:rgba(255,255,255,.68)}
  .foot-contact svg{flex:0 0 auto;margin-top:4px;color:var(--brand-500)}
  .foot-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.55);
  }
  .foot-bottom .policy{display:flex;gap:18px;flex-wrap:wrap}
  .foot-bottom .policy a:hover{color:#C7BDFF}

  /* ---------- Floating bar ---------- */
  .floating-bar{
    position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);z-index:60;
    display:flex;align-items:center;gap:14px;
    padding:10px 12px 10px 22px;border-radius:999px;
    background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
    box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;
    transition:opacity .3s var(--ease),transform .3s var(--ease);
    max-width:calc(100% - 32px);
  }
  .floating-bar.is-visible{opacity:1;transform:translate(-50%,0);pointer-events:auto}
  .floating-bar p{font-size:14px;color:#fff;white-space:nowrap}
  .floating-bar .btn{min-height:38px;padding:0 18px;font-size:14px}

  /* ---------- Responsive ---------- */
  @media (max-width:1199px){
    .nav-links{gap:18px}
    .nav-links a{font-size:15px}
  }
  @media (max-width:1023px){
    .header-inner{gap:14px}
    .nav-links,.header-cta{display:none}
    .menu-toggle{display:flex}
    .search-form{order:3;flex:1 1 100%;width:100%;max-width:none;height:44px;margin:0 0 6px}
    .search-form button{height:34px}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
    .step::after{display:none}
    .tips-grid,.read-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .foot-grid{grid-template-columns:1fr 1fr}
    .showcase{aspect-ratio:16/9}
  }
  @media (max-width:767px){
    body{font-size:15px}
    .hero{padding:32px 0 40px}
    .hero-sub{font-size:16px}
    .section{padding:44px 0}
    .steps,.tips-grid,.read-grid{grid-template-columns:minmax(0,1fr)}
    .steps{gap:16px}
    .step{padding:22px 20px}
    .showcase{aspect-ratio:16/11}
    .showcase-caption{padding:16px 18px}
    .cta-band{padding:32px 22px;border-radius:24px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1 1 100%}
    .foot-grid{grid-template-columns:1fr;gap:28px}
    .foot-bottom{flex-direction:column;align-items:flex-start}
  }
  @media (max-width:520px){
    .logo-text{font-size:17px}
    .hero h1{font-size:clamp(26px,7.4vw,34px)}
    .trust-row{gap:10px;font-size:12px}
    .trust-row span+span{padding-left:10px}
    .floating-bar{
      left:0;right:0;bottom:0;transform:translateY(100%);
      border-radius:0;padding:8px 12px calc(8px + env(safe-area-inset-bottom));
      gap:10px;justify-content:space-between;
    }
    .floating-bar.is-visible{transform:translateY(0)}
    .floating-bar p{font-size:13px}
    .floating-bar .btn{flex:1 1 auto;min-height:44px;padding:0 12px}
  }

/* roulang page: category4 */
:root{
    --brand-600:#6A4BFF;
    --brand-500:#8B6BFF;
    --brand-100:#EDE8FF;
    --accent-500:#FF7A45;
    --mint-500:#2FD3A0;
    --grad-brand:linear-gradient(120deg,#6A4BFF 0%,#9B5CFF 48%,#FF7A45 100%);
    --grad-soft:linear-gradient(135deg,#F4F0FF 0%,#FFF3EC 100%);
    --ink-900:#171428;
    --ink-600:#4E4A63;
    --ink-400:#7C7890;
    --bg:#FBFAFF;
    --surface:#FFFFFF;
    --line:#E9E5F5;
    --radius-xl:28px;
    --radius-lg:24px;
    --radius-card:20px;
    --radius-sm:14px;
    --radius-btn:12px;
    --shadow-sm:0 1px 2px rgba(23,20,40,.04);
    --shadow-md:0 1px 2px rgba(23,20,40,.04),0 12px 28px -14px rgba(23,20,40,.16);
    --shadow-lg:0 2px 4px rgba(23,20,40,.05),0 22px 40px -18px rgba(106,75,255,.28);
    --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);
    color:var(--ink-600);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  input,button,textarea{font-size:inherit;}
  h1,h2,h3,h4{margin:0;color:var(--ink-900);}
  p{margin:0 0 1em;}
  p:last-child{margin-bottom:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
  @media(min-width:640px){.container{padding-left:24px;padding-right:24px;}}
  @media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .24s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-sm);}
  .header-inner{
    display:flex;align-items:center;gap:16px;
    min-height:72px;
  }
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{
    width:38px;height:38px;border-radius:10px;
    background:var(--grad-brand);
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-weight:800;font-size:18px;
    box-shadow:0 8px 18px -10px rgba(106,75,255,.9);
  }
  .logo-text{
    font-size:19px;font-weight:800;color:var(--ink-900);
    letter-spacing:-.01em;white-space:nowrap;
  }
  .search-form{
    position:relative;display:flex;align-items:center;
    flex:1 1 auto;max-width:560px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:999px;
    height:46px;padding:4px 4px 4px 42px;
    transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .search-form:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(106,75,255,.14);}
  .search-icon{
    position:absolute;left:16px;top:50%;transform:translateY(-50%);
    width:18px;height:18px;color:var(--ink-400);pointer-events:none;
  }
  .search-input{
    flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
    color:var(--ink-900);font-size:15px;padding:0 8px 0 0;height:100%;
  }
  .search-input::placeholder{color:var(--ink-400);}
  .search-btn{
    flex:0 0 auto;height:36px;padding:0 18px;border:0;border-radius:999px;
    background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;
    cursor:pointer;transition:background .24s var(--ease),transform .24s var(--ease);
  }
  .search-btn:hover{background:var(--brand-500);}
  .search-btn:active{transform:scale(.98);}
  .nav-links{display:none;}
  @media(min-width:1024px){
    .nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;}
    .nav-links a{
      position:relative;font-size:15px;font-weight:500;color:var(--ink-600);
      padding:6px 0;white-space:nowrap;transition:color .24s var(--ease);
    }
    .nav-links a::after{
      content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
      background:var(--grad-brand);border-radius:2px;
      transform:scaleX(0);transform-origin:left center;
      transition:transform .24s var(--ease);
    }
    .nav-links a:hover{color:var(--brand-600);}
    .nav-links a:hover::after{transform:scaleX(1);}
    .nav-links a[aria-current="page"]{color:var(--brand-600);font-weight:700;}
    .nav-links a[aria-current="page"]::after{transform:scaleX(1);}
  }
  .nav-cta{
    display:none;
    height:44px;padding:0 22px;border-radius:var(--radius-btn);
    align-items:center;justify-content:center;
    background:var(--grad-brand);background-size:160% 100%;background-position:0% 50%;
    color:#fff;font-size:15px;font-weight:600;
    box-shadow:0 10px 24px -14px rgba(106,75,255,.9);
    transition:background-position .3s var(--ease),transform .24s var(--ease);
    white-space:nowrap;
  }
  .nav-cta:hover{background-position:20% 50%;transform:translateY(-1px);}
  @media(min-width:1024px){.nav-cta{display:inline-flex;flex:0 0 auto;}}
  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;margin-left:auto;
    border:1px solid var(--line);border-radius:var(--radius-btn);
    background:var(--surface);color:var(--ink-900);cursor:pointer;
    transition:border-color .24s var(--ease),color .24s var(--ease);
  }
  .menu-toggle:hover{border-color:rgba(106,75,255,.4);color:var(--brand-600);}
  .menu-toggle svg{width:20px;height:20px;}
  @media(min-width:1024px){.menu-toggle{display:none;}}
  .mobile-panel{
    display:none;
    border-top:1px solid var(--line);
    background:var(--surface);
    border-radius:0 0 var(--radius-lg) var(--radius-lg);
    padding:16px;
    box-shadow:var(--shadow-md);
  }
  .mobile-panel.is-open{display:block;}
  @media(min-width:1024px){.mobile-panel{display:none !important;}}
  .mobile-panel .search-form{max-width:none;height:44px;margin-bottom:14px;}
  .mobile-nav{display:flex;flex-direction:column;}
  .mobile-nav a{
    display:flex;align-items:center;min-height:44px;
    font-size:16px;color:var(--ink-600);border-bottom:1px solid var(--line);
    transition:color .24s var(--ease);
  }
  .mobile-nav a:hover{color:var(--brand-600);}
  .mobile-nav a[aria-current="page"]{color:var(--brand-600);font-weight:700;}
  .mobile-panel .btn{width:100%;margin-top:16px;}

  /* ============ 通用按钮/标签 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:48px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
    transition:background-position .3s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
  }
  .btn-primary{
    background:var(--grad-brand);background-size:160% 100%;background-position:0% 50%;
    color:#fff;box-shadow:0 14px 30px -18px rgba(106,75,255,.95);
  }
  .btn-primary:hover{background-position:20% 50%;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
  .btn-ghost{
    background:var(--surface);color:var(--ink-900);border-color:var(--line);
  }
  .btn-ghost:hover{border-color:rgba(106,75,255,.45);color:var(--brand-600);}
  .btn-sm{min-height:44px;padding:0 18px;font-size:14px;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand-600);font-size:14px;font-weight:600;
    transition:color .24s var(--ease);
  }
  .link-arrow span.arrow{transition:transform .24s var(--ease);}
  .link-arrow:hover{color:var(--accent-500);}
  .link-arrow:hover span.arrow{transform:translateX(3px);}
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;
    background:var(--brand-100);color:var(--brand-600);
    font-size:12px;font-weight:600;line-height:1.6;
  }
  .status-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:var(--brand-100);color:var(--brand-600);
    font-size:13px;font-weight:600;
  }
  .status-dot{width:6px;height:6px;border-radius:50%;background:var(--mint-500);flex:0 0 auto;}

  /* ============ Hero ============ */
  .page-hero{position:relative;padding:28px 0 8px;overflow:hidden;}
  .page-hero::before,.page-hero::after{
    content:"";position:absolute;border-radius:50%;
    filter:blur(60px);pointer-events:none;z-index:0;
  }
  .page-hero::before{width:340px;height:340px;background:rgba(106,75,255,.08);top:-60px;left:-80px;}
  .page-hero::after{width:300px;height:300px;background:rgba(255,122,69,.08);top:40px;right:-70px;}
  .breadcrumb{
    position:relative;z-index:1;
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--ink-400);margin-bottom:20px;
  }
  .breadcrumb a{color:var(--ink-400);transition:color .24s var(--ease);}
  .breadcrumb a:hover{color:var(--brand-600);}
  .breadcrumb .sep{color:#C9C4DB;}
  .breadcrumb .current{color:var(--ink-600);font-weight:600;}
  .hero-grid{
    position:relative;z-index:1;
    display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  }
  @media(min-width:1024px){
    .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;}
  }
  .hero-copy h1{
    font-size:clamp(28px,4.4vw,44px);
    font-weight:800;line-height:1.2;letter-spacing:-.02em;
    margin:14px 0 16px;
  }
  .hero-copy h1 .hl{
    background:var(--grad-brand);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-lede{font-size:16px;color:var(--ink-600);line-height:1.85;max-width:56ch;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  .hero-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:12px;
    margin-top:22px;font-size:13px;color:var(--ink-400);
  }
  .hero-meta .divider{width:1px;height:14px;background:var(--line);}
  .hero-media{
    position:relative;border-radius:var(--radius-lg);overflow:hidden;
    background:var(--brand-100);box-shadow:var(--shadow-md);
    aspect-ratio:4/3;
  }
  @media(min-width:1024px){.hero-media{aspect-ratio:5/4;}}
  .hero-media img{width:100%;height:100%;object-fit:cover;}
  .hero-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(120deg,rgba(106,75,255,.34) 0%,rgba(106,75,255,0) 62%);
  }
  .hero-badge{
    position:absolute;right:16px;bottom:16px;z-index:2;
    background:var(--grad-brand);color:#fff;
    border-radius:16px;padding:12px 16px;text-align:left;
    box-shadow:0 18px 34px -20px rgba(23,20,40,.6);
  }
  .hero-badge .num{font-size:24px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
  .hero-badge .lbl{font-size:11px;opacity:.92;margin-top:2px;}
  .hero-pill{
    position:absolute;left:16px;bottom:16px;z-index:2;
    display:inline-flex;align-items:center;gap:8px;
    background:#fff;border-radius:999px;padding:8px 14px;
    font-size:12px;font-weight:600;color:var(--ink-900);
    box-shadow:var(--shadow-sm);
  }

  /* ============ 快讯条 ============ */
  .quick-strip{padding:24px 0 0;}
  .quick-grid{
    display:grid;grid-template-columns:1fr;gap:12px;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);padding:16px 18px;
    box-shadow:var(--shadow-sm);
  }
  @media(min-width:640px){.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media(min-width:1024px){.quick-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding:20px 24px;}}
  .quick-item{display:flex;align-items:flex-start;gap:12px;}
  .quick-num{
    flex:0 0 auto;width:34px;height:34px;border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    background:var(--brand-100);color:var(--brand-600);
    font-size:13px;font-weight:800;
  }
  .quick-item strong{display:block;font-size:14px;color:var(--ink-900);font-weight:700;line-height:1.5;}
  .quick-item span{font-size:12px;color:var(--ink-400);}

  /* ============ 板块通用 ============ */
  .section{padding:48px 0;}
  @media(min-width:768px){.section{padding:64px 0;}}
  @media(min-width:1024px){.section{padding:76px 0;}}
  .section-head{margin-bottom:30px;}
  .section-head h2{
    font-size:clamp(23px,3vw,32px);font-weight:700;line-height:1.35;margin-bottom:10px;
  }
  .section-head p{font-size:15px;color:var(--ink-600);max-width:62ch;}

  /* ============ FAQ 主体 ============ */
  .faq-layout{display:grid;grid-template-columns:1fr;gap:24px;align-items:start;}
  @media(min-width:1024px){.faq-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:28px;}}
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);
    border-radius:16px;overflow:hidden;
    transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .faq-item[open]{border-color:rgba(106,75,255,.3);box-shadow:var(--shadow-md);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    min-height:60px;padding:16px 20px;cursor:pointer;
    font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";flex:0 0 auto;
    font-size:22px;font-weight:400;color:var(--ink-400);line-height:1;
    transition:transform .24s var(--ease),color .24s var(--ease);
  }
  .faq-item[open] summary::after{transform:rotate(45deg);color:var(--brand-600);}
  .faq-item summary:hover{color:var(--brand-600);}
  .faq-body{padding:0 20px 20px;font-size:15px;color:var(--ink-600);line-height:1.85;}
  .faq-body p{margin-bottom:.6em;}
  .faq-body ul{margin:.4em 0 .6em;display:flex;flex-direction:column;gap:6px;}
  .faq-body li{position:relative;padding-left:16px;}
  .faq-body li::before{
    content:"";position:absolute;left:0;top:.72em;
    width:6px;height:6px;border-radius:50%;background:var(--brand-500);
  }

  /* ============ 侧栏 ============ */
  .side-col{display:flex;flex-direction:column;gap:16px;}
  @media(min-width:1024px){.side-col{position:sticky;top:96px;}}
  .side-card{
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-sm);
  }
  .side-card h3{font-size:16px;font-weight:700;margin-bottom:6px;}
  .side-card .side-desc{font-size:13px;color:var(--ink-400);margin-bottom:14px;}
  .side-links{display:flex;flex-direction:column;gap:4px;}
  .side-links a{
    position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;
    min-height:44px;padding:8px 10px 8px 14px;border-radius:10px;
    font-size:14px;font-weight:600;color:var(--ink-600);
    transition:background .24s var(--ease),color .24s var(--ease);
  }
  .side-links a::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:2px;height:0;background:var(--grad-brand);border-radius:2px;
    transition:height .24s var(--ease);
  }
  .side-links a:hover{background:rgba(237,232,255,.55);color:var(--brand-600);}
  .side-links a:hover::before{height:22px;}
  .side-links a .arrow{font-size:14px;color:var(--brand-600);}
  .side-card.soft{background:var(--grad-soft);border-color:transparent;}
  .side-facts{display:flex;flex-direction:column;gap:12px;}
  .side-fact{display:flex;flex-direction:column;gap:2px;}
  .side-fact strong{font-size:20px;font-weight:800;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.2;}
  .side-fact span{font-size:12px;color:var(--ink-400);}

  /* ============ 卡片 ============ */
  .card-grid{display:grid;grid-template-columns:1fr;gap:18px;}
  @media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
  .card{
    display:flex;flex-direction:column;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);overflow:hidden;
    box-shadow:var(--shadow-sm);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(106,75,255,.28);}
  .card-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-100);}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
  .card:hover .card-media img{transform:scale(1.04);}
  .card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
  .card-body h3{
    font-size:17px;font-weight:700;line-height:1.5;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-body p{
    font-size:14px;color:var(--ink-600);line-height:1.75;margin:0;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-body .card-foot{margin-top:auto;padding-top:4px;display:flex;align-items:center;justify-content:space-between;gap:10px;}
  .card-link{display:flex;flex-direction:column;height:100%;}

  /* ============ CTA ============ */
  .cta-band{padding:8px 0 72px;}
  .cta-inner{
    position:relative;overflow:hidden;
    background:linear-gradient(160deg,#171428 0%,#241B3D 100%);
    border-radius:var(--radius-xl);
    padding:36px 24px;
    display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  }
  @media(min-width:768px){.cta-inner{padding:48px 40px;}}
  @media(min-width:1024px){.cta-inner{grid-template-columns:minmax(0,7fr) minmax(0,5fr);padding:56px 56px;}}
  .cta-inner::after{
    content:"";position:absolute;width:320px;height:320px;border-radius:50%;
    background:rgba(106,75,255,.28);filter:blur(70px);
    right:-60px;bottom:-120px;pointer-events:none;
  }
  .cta-inner h2{
    color:#fff;font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.35;
    margin-bottom:12px;position:relative;z-index:1;
  }
  .cta-inner p{color:rgba(255,255,255,.76);font-size:15px;line-height:1.8;margin:0;position:relative;z-index:1;}
  .cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
  @media(min-width:520px){.cta-actions{flex-direction:row;}}
  @media(min-width:1024px){.cta-actions{justify-content:flex-end;}}
  .btn-outline-light{
    background:transparent;color:#fff;border-color:rgba(255,255,255,.42);
  }
  .btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff;}

  /* ============ 页脚 ============ */
  .site-footer{
    background:linear-gradient(180deg,#171428 0%,#241B3D 100%);
    color:rgba(255,255,255,.72);
    padding:56px 0 0;
    font-size:14px;
  }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
  .footer-brand .logo-text{color:#fff;}
  .footer-brand p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85;margin:14px 0 18px;}
  .footer-search{
    display:flex;align-items:center;gap:8px;
    background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.14);
    border-radius:var(--radius-btn);
    padding:4px 4px 4px 14px;height:44px;
    transition:border-color .24s var(--ease);
  }
  .footer-search:focus-within{border-color:rgba(199,189,255,.7);}
  .footer-search input{
    flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
    color:#fff;font-size:14px;height:100%;
  }
  .footer-search input::placeholder{color:rgba(255,255,255,.45);}
  .footer-search button{
    flex:0 0 auto;height:34px;padding:0 14px;border:0;border-radius:999px;
    background:var(--brand-600);color:#fff;font-size:13px;font-weight:600;cursor:pointer;
    transition:background .24s var(--ease);
  }
  .footer-search button:hover{background:var(--brand-500);}
  .footer-col h3{
    color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:2px;}
  .footer-col a{
    position:relative;display:inline-flex;align-items:center;
    min-height:34px;padding-left:0;font-size:14px;color:rgba(255,255,255,.72);
    transition:color .24s var(--ease),padding-left .24s var(--ease);
  }
  .footer-col a::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:2px;height:14px;background:var(--brand-500);border-radius:2px;
    opacity:0;transition:opacity .24s var(--ease);
  }
  .footer-col a:hover{color:#C7BDFF;padding-left:12px;}
  .footer-col a:hover::before{opacity:1;}
  .footer-contact{display:flex;flex-direction:column;gap:12px;}
  .footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);}
  .footer-contact svg{flex:0 0 auto;width:16px;height:16px;margin-top:5px;color:var(--brand-500);}
  .footer-bottom{
    margin-top:40px;padding:20px 0 88px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-direction:column;gap:12px;
    font-size:13px;color:rgba(255,255,255,.6);
  }
  @media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
  .footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px;}
  .footer-bottom-links a{color:rgba(255,255,255,.6);transition:color .24s var(--ease);}
  .footer-bottom-links a:hover{color:#C7BDFF;}

  /* ============ 固定转化条 ============ */
  .fixed-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    background:linear-gradient(160deg,#171428 0%,#241B3D 100%);
    border-top:1px solid rgba(255,255,255,.1);
    padding:8px 12px calc(8px + env(safe-area-inset-bottom));
    display:flex;gap:8px;
    transform:translateY(110%);
    transition:transform .3s var(--ease);
    box-shadow:0 -12px 30px -20px rgba(23,20,40,.8);
  }
  .fixed-bar.is-visible{transform:translateY(0);}
  .fixed-bar .btn{flex:1 1 0;min-height:44px;padding:0 14px;font-size:14px;}
  @media(min-width:1024px){
    .fixed-bar{
      left:50%;right:auto;bottom:24px;
      transform:translate(-50%,130%);
      width:auto;border-radius:999px;border:1px solid rgba(255,255,255,.12);
      padding:8px 10px 8px 22px;align-items:center;gap:14px;
    }
    .fixed-bar.is-visible{transform:translate(-50%,0);}
    .fixed-bar .bar-text{display:block;color:#fff;font-size:14px;font-weight:600;white-space:nowrap;}
    .fixed-bar .btn{flex:0 0 auto;min-height:42px;}
  }
  .bar-text{display:none;}
  @media(max-width:1023px){
    body{padding-bottom:0;}
  }
  @media(prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
  }