/* roulang page: index */
:root{
  --brand-500:#6C3CE9;
  --brand-700:#3A1F73;
  --brand-900:#1B1033;
  --accent-500:#FF4D8D;
  --accent-400:#FFB36B;
  --accent-300:#FFD9A0;
  --bg-page:#F7F5FC;
  --bg-soft:#EFEBFA;
  --surface:#FFFFFF;
  --text-900:#1A1526;
  --text-700:#4A4359;
  --text-500:#7A7288;
  --text-invert:#F5F2FF;
  --line:#E6E1F2;
  --line-strong:#D6CEEE;
  --ring:rgba(108,60,233,.35);
  --grad-brand:linear-gradient(135deg,#6C3CE9 0%,#A34BE0 45%,#FF4D8D 100%);
  --grad-warm:linear-gradient(120deg,#FFB36B,#FF4D8D);
  --grad-soft:linear-gradient(135deg,rgba(108,60,233,.10),rgba(255,77,141,.10));
  --shadow-1:0 2px 8px rgba(58,31,115,.06);
  --shadow-2:0 12px 32px rgba(58,31,115,.10);
  --shadow-brand:0 14px 34px rgba(108,60,233,.28);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
  --sp-5:32px;
  --sp-6:48px;
  --sp-7:64px;
  --sp-8:88px;
  --sidebar-w:232px;
  --bs-primary:#6C3CE9;
  --bs-primary-rgb:108,60,233;
  --bs-body-bg:#F7F5FC;
  --bs-body-color:#1A1526;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}

*,*::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","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg-page);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:8px;}
p{margin-bottom:1em;}
h1,h2,h3,h4{margin:0;color:var(--text-900);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media(max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--brand-900);
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;
  flex-direction:column;
  padding:24px 16px 20px;
  overflow-y:auto;
  z-index:1040;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:4px 8px 22px;
}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:14px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  color:#fff;font-weight:800;font-size:17px;
  box-shadow:var(--shadow-brand);
}
.brand-name{font-size:17px;font-weight:800;color:#fff;line-height:1.2;letter-spacing:.2px;}
.brand-sub{font-size:12px;color:rgba(245,242,255,.55);line-height:1.5;}
.side-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:500;
  color:rgba(245,242,255,.72);
  transition:background .2s ease,color .2s ease;
}
.side-link i{width:18px;text-align:center;font-size:15px;opacity:.9;}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none;}
.side-link.active{background:rgba(255,255,255,.10);color:#fff;font-weight:600;}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--grad-brand);
}
.side-foot{margin-top:auto;padding-top:24px;}
.side-foot-card{
  border-radius:var(--r-md);
  padding:14px 16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
}
.side-foot-card .t{font-size:13px;font-weight:700;color:#fff;display:block;margin-bottom:4px;}
.side-foot-card .d{font-size:12px;line-height:1.7;color:rgba(245,242,255,.62);display:block;}

/* ---------- 移动端顶部导航 ---------- */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:1050;
}
.mobile-brand{display:flex;align-items:center;gap:10px;color:var(--text-900);}
.mobile-brand:hover{text-decoration:none;color:var(--text-900);}
.mobile-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:15px;box-shadow:none;}
.mobile-brand .brand-name{font-size:16px;color:var(--text-900);}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-sm);color:var(--brand-700);font-size:17px;
  display:grid;place-items:center;cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--bg-soft);border-color:var(--line-strong);}
.drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;
  background:#fff;z-index:1045;
  transform:translateY(-8px);
  opacity:0;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  overflow-y:auto;padding:8px 16px 32px;
}
.drawer.open{transform:none;opacity:1;visibility:visible;}
.drawer .side-link{
  color:var(--text-700);border-radius:0;border-bottom:1px solid var(--line);
  padding:16px 4px;font-size:16px;
}
.drawer .side-link i{color:var(--brand-500);}
.drawer .side-link:hover{background:transparent;color:var(--brand-700);}
.drawer .side-link.active{background:transparent;color:var(--brand-500);font-weight:600;}
.drawer .side-link.active::before{left:-16px;top:14px;bottom:14px;width:3px;}

/* ---------- 主内容区 ---------- */
.app-main{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.app-main .container{max-width:1140px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:72px 0 80px;
  overflow:hidden;
  background:
    radial-gradient(620px 320px at 88% 6%,rgba(108,60,233,.16),transparent 70%),
    radial-gradient(520px 300px at 6% 96%,rgba(255,77,141,.10),transparent 70%),
    var(--bg-page);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(108,60,233,.5) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.06;
}
.hero .container{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line-strong);
  color:var(--brand-700);font-size:13px;font-weight:600;
  box-shadow:var(--shadow-1);margin-bottom:20px;
}
.eyebrow i{color:var(--accent-500);}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.5px;
  margin-bottom:20px;
}
.hero h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{
  font-size:17px;
  color:var(--text-700);
  max-width:560px;
  margin-bottom:28px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 28px;
  border-radius:var(--r-sm);border:0;
  background:var(--grad-brand);color:#fff;
  font-size:16px;font-weight:700;
  box-shadow:var(--shadow-brand);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-grad:hover{color:#fff;text-decoration:none;transform:translateY(-2px);filter:brightness(1.06);}
.btn-grad:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 26px;
  border-radius:var(--r-sm);
  border:1.5px solid var(--brand-500);
  background:transparent;color:var(--brand-500);
  font-size:16px;font-weight:700;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(108,60,233,.08);color:var(--brand-700);text-decoration:none;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  font-size:13px;font-weight:600;color:var(--text-700);
}
.stat-pill b{color:var(--brand-700);font-size:15px;font-weight:800;}
.stat-pill i{color:var(--accent-400);font-size:13px;}

.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  aspect-ratio:16/13;
  background:var(--bg-soft);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(108,60,233,.20),rgba(255,77,141,.12) 58%,transparent);
}
.glow{position:absolute;border-radius:50%;filter:blur(34px);opacity:.30;pointer-events:none;}
.glow.g1{width:180px;height:180px;background:var(--accent-500);top:-40px;right:-30px;}
.glow.g2{width:150px;height:150px;background:var(--brand-500);bottom:-30px;left:-20px;}
.countdown{
  position:absolute;left:16px;right:16px;bottom:16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;border-radius:var(--r-md);
  background:rgba(27,16,51,.86);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(8px);
  color:#fff;z-index:3;
}
.countdown .lab{font-size:12px;letter-spacing:.4px;color:rgba(245,242,255,.72);display:block;}
.countdown .val{font-size:17px;font-weight:800;color:var(--accent-300);letter-spacing:1px;}
.countdown .tag{
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
  background:var(--grad-warm);color:#3A1F73;white-space:nowrap;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-8) 0;}
.section-soft{background:var(--bg-soft);}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:40px;
}
.sec-title{
  font-size:clamp(24px,3vw,36px);
  font-weight:800;line-height:1.25;
  margin-bottom:12px;
}
.sec-title::before{
  content:"";display:block;width:44px;height:6px;border-radius:6px;
  background:var(--grad-brand);margin-bottom:16px;
}
.sec-desc{margin:0;color:var(--text-700);font-size:15px;max-width:640px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-500);white-space:nowrap;
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover{color:var(--brand-700);text-decoration:none;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 能力卡 ---------- */
.cap-card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.cap-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.cap-icon{
  width:56px;height:56px;border-radius:16px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
  font-size:22px;margin-bottom:18px;
}
.cap-card h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.4;}
.cap-card p{font-size:15px;color:var(--text-700);margin-bottom:18px;}
.cap-card .link-arrow{margin-top:auto;}

/* ---------- 数据区 ---------- */
.data-band{
  position:relative;overflow:hidden;
  background:var(--brand-900);
  border-radius:var(--r-xl);
  padding:48px 40px;
  color:var(--text-invert);
}
.data-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,77,141,.35),transparent 70%);
  pointer-events:none;
}
.data-band .band-title{
  font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#fff;
  margin-bottom:10px;line-height:1.3;
}
.data-band .band-desc{color:rgba(245,242,255,.66);font-size:15px;margin-bottom:32px;}
.data-item{
  height:100%;
  border-radius:20px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  padding:20px;
}
.data-num{
  display:block;
  font-size:clamp(28px,3.4vw,38px);
  font-weight:800;line-height:1.05;
  background:var(--grad-warm);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  margin-bottom:8px;
}
.data-item .unit{font-size:13px;font-weight:700;color:var(--accent-300);margin-left:2px;-webkit-text-fill-color:var(--accent-300);}
.data-item .txt{font-size:14px;color:rgba(245,242,255,.72);line-height:1.7;display:block;}

/* ---------- 精选专题 ---------- */
.case-card{
  display:block;height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  color:var(--text-900);
  transition:transform .2s ease,box-shadow .2s ease;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);text-decoration:none;color:var(--text-900);}
.case-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft);}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(27,16,51,.78),transparent 58%);
  opacity:0;transition:opacity .3s ease;
}
.case-card:hover .case-media::after{opacity:1;}
.case-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:4px 12px;border-radius:999px;
  background:rgba(27,16,51,.7);
  border:1px solid rgba(255,255,255,.2);
  color:var(--accent-300);font-size:12px;font-weight:700;
}
.case-float{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  color:#fff;font-size:14px;font-weight:600;
  opacity:0;transform:translateY(6px);
  transition:opacity .3s ease,transform .3s ease;
}
.case-card:hover .case-float{opacity:1;transform:none;}
.case-body{padding:20px 22px 22px;}
.case-body h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.4;}
.case-body p{font-size:14px;color:var(--text-700);margin-bottom:14px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:rgba(108,60,233,.10);
  border:1px solid rgba(108,60,233,.18);
  color:var(--brand-700);font-size:13px;font-weight:600;
}
.chip-warm{
  background:rgba(255,179,107,.20);
  border-color:rgba(255,179,107,.42);
  color:#7A4A12;
}

/* ---------- 方案 / 场景交错 ---------- */
.plan-block{
  background:var(--bg-soft);
  border-radius:var(--r-xl);
  padding:40px;
}
.plan-block + .plan-block{margin-top:24px;}
.plan-block h3{font-size:22px;font-weight:700;margin-bottom:12px;line-height:1.4;}
.plan-block p{font-size:15px;color:var(--text-700);}
.list-check{list-style:none;margin:0 0 20px;padding:0;}
.list-check li{
  position:relative;padding-left:26px;
  font-size:15px;color:var(--text-700);line-height:1.8;margin-bottom:8px;
}
.list-check li::before{
  content:"";position:absolute;left:0;top:11px;
  width:10px;height:10px;border-radius:50%;
  background:var(--grad-brand);
}
.plan-media{
  border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-2);
  aspect-ratio:16/11;background:#fff;
}
.plan-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 最新信息 ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  color:var(--text-900);
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);text-decoration:none;color:var(--text-900);}
.news-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-media .chip{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);border-color:rgba(108,60,233,.2);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{
  font-size:17px;font-weight:700;line-height:1.5;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-ex{
  font-size:14px;color:var(--text-700);margin:0;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
}
.news-foot .time{font-size:13px;color:#8A5A1E;background:rgba(255,179,107,.22);border-radius:999px;padding:3px 12px;font-weight:600;}
.news-foot .read{font-size:14px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px;}
.news-card:hover .news-foot .read i{transform:translateX(4px);}
.news-foot .read i{transition:transform .2s ease;}
.empty-state{
  text-align:center;
  padding:56px 24px;
  background:#fff;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
}
.empty-state i{font-size:48px;color:rgba(108,60,233,.22);display:block;margin-bottom:14px;}
.empty-state p{margin:0;color:var(--text-500);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:12px;
  overflow:hidden;position:relative;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease;
}
.faq-item.open{border-color:rgba(108,60,233,.35);}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:3px;background:var(--grad-brand);
  opacity:0;transition:opacity .2s ease;
}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text-900);text-align:left;line-height:1.6;
}
.faq-q i{color:var(--brand-500);font-size:15px;transition:transform .2s ease;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a-inner{
  padding:0 20px 20px 44px;
  font-size:15px;color:var(--text-700);line-height:1.8;
}

/* ---------- 联系 / CTA ---------- */
.contact-wrap{
  background:var(--brand-900);
  border-radius:var(--r-xl);
  padding:48px 40px;
  color:var(--text-invert);
  position:relative;overflow:hidden;
}
.contact-wrap::after{
  content:"";position:absolute;left:-60px;bottom:-100px;width:300px;height:300px;
  border-radius:50%;background:radial-gradient(circle,rgba(108,60,233,.45),transparent 70%);
  pointer-events:none;
}
.contact-wrap h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;color:#fff;margin-bottom:12px;line-height:1.3;}
.contact-wrap p.lead{color:rgba(245,242,255,.72);font-size:15px;margin-bottom:28px;}
.form-label{font-size:14px;font-weight:600;color:rgba(245,242,255,.82);margin-bottom:8px;}
.form-control{
  width:100%;
  padding:13px 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  font-size:15px;color:var(--text-900);
  line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:#A79FB6;}
.form-control:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px var(--ring);
}
textarea.form-control{min-height:140px;resize:vertical;}
.form-note{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);font-size:14px;font-weight:600;}
.form-note.is-ok{display:block;background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.4);color:#B7F0C9;}
.form-note.is-err{display:block;background:rgba(255,77,141,.16);border:1px solid rgba(255,77,141,.45);color:#FFC8DC;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sp-8);
  background:var(--brand-900);
  color:rgba(245,242,255,.68);
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:56px 0 24px;
}
.site-footer .brand{padding:0 0 16px;}
.site-footer .brand-name{font-size:17px;}
.site-footer .foot-desc{font-size:14px;line-height:1.8;color:rgba(245,242,255,.6);max-width:300px;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.foot-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:rgba(245,242,255,.68);}
.foot-links a:hover{color:#fff;text-decoration:none;}
.foot-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:14px;}
.foot-contact li{display:flex;gap:10px;line-height:1.7;}
.foot-contact i{color:var(--accent-400);margin-top:5px;}
.foot-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(245,242,255,.5);flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media(max-width:1199.98px){
  :root{--sidebar-w:200px;}
  .section{padding:var(--sp-7) 0;}
  .hero{padding:56px 0 64px;}
  .app-main .container{max-width:1000px;}
}
@media(max-width:991.98px){
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .app-main{margin-left:0;padding-top:64px;}
  .section{padding:var(--sp-7) 0;}
  .data-band{padding:40px 28px;}
  .contact-wrap{padding:36px 24px;}
  .plan-block{padding:28px;}
  .site-footer{border-radius:var(--r-lg) var(--r-lg) 0 0;padding:44px 0 20px;}
}
@media(max-width:767.98px){
  .section{padding:var(--sp-6) 0;}
  .hero{padding:40px 0 56px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .hero-sub{font-size:16px;}
  .btn-grad,.btn-ghost{width:100%;}
  .hero-visual{aspect-ratio:16/12;}
  .data-band{padding:32px 20px;border-radius:var(--r-lg);}
  .contact-wrap{padding:28px 20px;border-radius:var(--r-lg);}
  .plan-block{padding:22px;border-radius:var(--r-lg);}
  .faq-a-inner{padding-left:24px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media(max-width:575.98px){
  .brand-name{font-size:16px;}
  .stat-pill{font-size:12px;padding:7px 12px;}
  .countdown{flex-direction:column;align-items:flex-start;gap:6px;}
}

/* roulang page: article */
:root{
  --brand-500:#6C3CE9;
  --brand-700:#3A1F73;
  --brand-900:#1B1033;
  --accent-500:#FF4D8D;
  --accent-400:#FFB36B;
  --accent-300:#FFD9A0;
  --bg-page:#F7F5FC;
  --bg-soft:#EFEBFA;
  --surface:#FFFFFF;
  --text-900:#1A1526;
  --text-700:#4A4359;
  --text-500:#7A7288;
  --text-invert:#F5F2FF;
  --line:#E6E1F2;
  --line-strong:#D6CEEE;
  --ring:rgba(108,60,233,.35);
  --grad-brand:linear-gradient(135deg,#6C3CE9 0%,#A34BE0 45%,#FF4D8D 100%);
  --grad-warm:linear-gradient(120deg,#FFB36B,#FF4D8D);
  --grad-soft:linear-gradient(135deg,rgba(108,60,233,.10),rgba(255,77,141,.10));
  --shadow-1:0 2px 8px rgba(58,31,115,.06);
  --shadow-2:0 12px 32px rgba(58,31,115,.10);
  --shadow-brand:0 14px 34px rgba(108,60,233,.28);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;--sp-7:64px;--sp-8:88px;
  --sidebar-w:232px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-primary:#6C3CE9;
  --bs-body-font-family:var(--font-cn);
  --bs-body-bg:var(--bg-page);
  --bs-body-color:var(--text-700);
  --bs-border-radius:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-700);
  background:var(--bg-page);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
h1,h2,h3,h4,h5{color:var(--text-900);font-weight:800;line-height:1.25;margin:0}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;
  padding:13px 26px;border-radius:var(--r-sm);border:1px solid transparent;min-height:44px;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{color:#fff;box-shadow:0 18px 40px rgba(108,60,233,.34)}
.btn-outline{background:transparent;border-color:var(--line-strong);color:var(--brand-700)}
.btn-outline:hover{background:var(--bg-soft);border-color:var(--brand-500);color:var(--brand-700)}
.btn-ghost{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.22);color:var(--text-invert)}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff}
.badge-pill{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:999px;background:var(--bg-soft);color:var(--brand-700);border:1px solid var(--line)}
.badge-warm{background:rgba(255,179,107,.22);color:#8A4A10;border-color:rgba(255,179,107,.5)}
/* ===== 左侧竖向导航 ===== */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--brand-900);color:var(--text-invert);
  display:flex;flex-direction:column;padding:24px 14px;z-index:1030;overflow-y:auto;
}
.side-brand{display:flex;align-items:center;gap:12px;padding:6px 8px 22px;text-decoration:none}
.side-brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:19px;
  box-shadow:var(--shadow-brand);
}
.side-brand .brand-name{display:block;font-size:17px;font-weight:800;color:#fff;letter-spacing:.2px}
.side-brand .brand-sub{display:block;font-size:12px;color:rgba(245,242,255,.62);line-height:1.5}
.side-links{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:var(--r-sm);color:rgba(245,242,255,.78);
  font-size:15px;font-weight:500;min-height:44px;transition:background-color .2s ease,color .2s ease;
}
.side-link i{width:18px;text-align:center;font-size:15px;opacity:.9}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.side-link.active{background:rgba(255,255,255,.10);color:#fff;font-weight:600}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--grad-brand);
}
.side-foot{margin-top:auto;padding:18px 14px 6px;border-top:1px solid rgba(255,255,255,.12)}
.side-foot .foot-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  padding:6px 12px;border-radius:999px;background:rgba(255,179,107,.16);color:var(--accent-300);
  border:1px solid rgba(255,179,107,.32);margin-bottom:10px;
}
.side-foot p{font-size:13px;line-height:1.7;color:rgba(245,242,255,.62);margin:0}
.main-wrap{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
/* ===== 移动端导航 ===== */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:1040;
  background:#fff;border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;
  padding:0 16px;
}
.mobile-brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.mobile-brand:hover{text-decoration:none}
.mobile-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:17px;border-radius:10px}
.mobile-brand .brand-name{font-size:17px;font-weight:800;color:var(--text-900)}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--bg-soft);
  color:var(--brand-700);font-size:17px;display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:#E5DEF8}
.drawer-mask{position:fixed;inset:0;background:rgba(27,16,51,.5);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1050}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .25s ease;padding:22px 18px;overflow-y:auto;
  box-shadow:-10px 0 40px rgba(27,16,51,.18);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-title{font-size:13px;font-weight:700;color:var(--text-500);letter-spacing:1px;margin:4px 0 14px}
.drawer-link{
  display:flex;align-items:center;gap:12px;padding:14px 10px;border-radius:var(--r-sm);
  color:var(--text-700);font-size:16px;font-weight:500;border-bottom:1px solid var(--line);min-height:48px;
}
.drawer-link:last-of-type{border-bottom:none}
.drawer-link i{color:var(--brand-500);width:18px;text-align:center}
.drawer-link:hover{background:var(--bg-soft);color:var(--brand-700);text-decoration:none}
.drawer-link.active{color:var(--brand-500);font-weight:700;background:var(--grad-soft);position:relative}
.drawer-link.active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--grad-brand)}
.drawer-cta{margin-top:20px}
.drawer-cta .btn{width:100%}
/* ===== 文章主体 ===== */
.page{padding:40px 0 var(--sp-8)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-500);margin-bottom:18px}
.crumbs a{color:var(--text-500)}
.crumbs a:hover{color:var(--brand-500)}
.crumbs .sep{color:var(--line-strong)}
.crumbs .current{color:var(--text-500)}
.article-hero{
  position:relative;border-radius:var(--r-lg);overflow:hidden;padding:52px 44px;
  color:var(--text-invert);box-shadow:var(--shadow-2);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(27,16,51,.95) 0%,rgba(58,31,115,.86) 48%,rgba(108,60,233,.62) 100%),
                   url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,141,.38),transparent 68%);pointer-events:none;
}
.article-hero > *{position:relative;z-index:1}
.hero-cat{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  padding:5px 14px;border-radius:999px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);color:#fff;margin-bottom:18px;
}
.article-hero h1{
  color:#fff;font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.5px;
  max-width:900px;margin-bottom:18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13.5px;color:rgba(245,242,255,.78)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-row .meta-item i{color:var(--accent-400)}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:44px;margin-top:-32px;position:relative;z-index:2;
}
.article-body{max-width:800px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--text-700);overflow-wrap:anywhere}
.article-body > *:first-child{margin-top:0}
.article-body h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--text-900);line-height:1.3;margin:40px 0 16px;padding-top:4px}
.article-body h2::before{content:"";display:block;width:44px;height:6px;border-radius:6px;background:var(--grad-brand);margin-bottom:14px}
.article-body h3{font-size:20px;font-weight:700;color:var(--text-900);line-height:1.4;margin:28px 0 12px}
.article-body h4{font-size:17.5px;font-weight:600;color:var(--text-900);margin:22px 0 10px}
.article-body p{margin:0 0 1em}
.article-body a{color:var(--brand-500);border-bottom:1px solid rgba(108,60,233,.3);text-decoration:none}
.article-body a:hover{color:var(--accent-500);border-bottom-color:rgba(255,77,141,.5);text-decoration:none}
.article-body strong{color:var(--text-900);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.4em;line-height:1.8}
.article-body ul{list-style:none;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--grad-warm);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:.55em;padding-left:4px}
.article-body ol li::marker{color:var(--brand-500);font-weight:700}
.article-body blockquote{
  position:relative;margin:24px 0;padding:18px 24px 18px 28px;background:var(--bg-soft);
  border-radius:var(--r-md);color:var(--text-700);font-size:16.5px;
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad-brand);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:24px auto;max-width:100%;height:auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:24px 0}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--text-500);text-align:center;margin-top:8px}
.article-body code{background:var(--bg-soft);border-radius:6px;padding:2px 7px;font-size:.92em;color:var(--brand-700)}
.article-body pre{background:var(--brand-900);color:#EDE7FF;border-radius:var(--r-md);padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:none;height:1px;background:var(--line);margin:36px 0}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--r-md);margin:22px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--bg-soft);color:var(--text-900);font-weight:700}
.article-body tr:last-child td{border-bottom:none}
.empty-state{max-width:640px;margin:0 auto;text-align:center;padding:24px 0}
.empty-state i{font-size:48px;color:rgba(108,60,233,.22)}
.empty-title{font-size:20px;font-weight:700;color:var(--text-900);margin:16px 0 8px}
.empty-desc{font-size:15px;color:var(--text-500);margin-bottom:22px}
/* ===== 相关推荐 ===== */
.section{padding:var(--sp-8) 0 0}
.section-head{margin-bottom:28px}
.section-head .eyebrow{display:block;width:44px;height:6px;border-radius:6px;background:var(--grad-brand);margin-bottom:14px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:10px}
.section-head p{color:var(--text-500);max-width:640px;margin:0;font-size:15.5px}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;text-decoration:none;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);text-decoration:none}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-thumb .badge-pill{position:absolute;top:12px;left:12px;background:rgba(27,16,51,.78);color:#fff;border-color:transparent;backdrop-filter:blur(4px)}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.rec-body h3{font-size:18px;font-weight:700;line-height:1.45;color:var(--text-900);margin-bottom:10px}
.rec-body p{font-size:14.5px;line-height:1.7;color:var(--text-700);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-500)}
.rec-foot .time{color:#8A4A10;font-weight:600}
.rec-foot .more{color:var(--brand-500);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.rec-card:hover .rec-foot .more i{transform:translateX(4px)}
.rec-foot .more i{transition:transform .2s ease}
/* ===== 底部 CTA ===== */
.cta-band{
  margin-top:var(--sp-8);background:var(--brand-900);border-radius:32px;padding:52px 48px;
  position:relative;overflow:hidden;color:var(--text-invert);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-100px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,60,233,.55),transparent 70%);
}
.cta-band .cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(245,242,255,.72);margin:0;max-width:560px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
/* ===== 页脚 ===== */
.site-footer{background:var(--brand-900);color:rgba(245,242,255,.72);margin-top:var(--sp-8);border-radius:32px 32px 0 0;padding:64px 0 28px}
.site-footer .brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .brand-name{display:block;font-size:18px;font-weight:800;color:#fff}
.site-footer .brand-sub{display:block;font-size:12.5px;color:rgba(245,242,255,.6);line-height:1.5}
.foot-desc{font-size:14.5px;line-height:1.8;color:rgba(245,242,255,.66);margin:0;max-width:340px}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-links li,.foot-contact li{margin-bottom:10px;font-size:14.5px;line-height:1.7}
.foot-links a{color:rgba(245,242,255,.72)}
.foot-links a:hover{color:#fff;text-decoration:none}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(245,242,255,.72)}
.foot-contact i{color:var(--accent-400);margin-top:5px}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13.5px;color:rgba(245,242,255,.58);
}
@media (max-width:1199.98px){
  :root{--sidebar-w:200px}
  .side-brand .brand-name{font-size:16px}
  .article-card{padding:36px}
  .container{padding:0 20px}
}
@media (max-width:991.98px){
  .side-nav{display:none}
  .mobile-bar{display:flex}
  .main-wrap{margin-left:0;padding-top:64px}
  .page{padding:24px 0 56px}
  .article-hero{padding:36px 26px}
  .article-card{padding:26px 20px;margin-top:-20px}
  .article-body{font-size:16.5px}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:36px 26px;border-radius:24px}
  .site-footer{padding:48px 0 24px;border-radius:24px 24px 0 0}
  .section{padding:56px 0 0}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .article-hero h1{font-size:26px}
  .article-hero{padding:30px 20px}
  .meta-row{gap:8px 16px}
  .article-card{padding:22px 16px;border-radius:20px}
  .article-body{font-size:16px}
  .article-body h2{margin:32px 0 14px}
  .article-body h3{margin:24px 0 10px}
  .rec-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  .section-head h2{font-size:22px}
  .article-hero h1{font-size:23px}
}

/* roulang page: category1 */
:root{
  --brand-500:#6C3CE9;
  --brand-700:#3A1F73;
  --brand-900:#1B1033;
  --accent-500:#FF4D8D;
  --accent-400:#FFB36B;
  --accent-300:#FFD9A0;
  --bg-page:#F7F5FC;
  --bg-soft:#EFEBFA;
  --surface:#FFFFFF;
  --text-900:#1A1526;
  --text-700:#4A4359;
  --text-500:#7A7288;
  --text-invert:#F5F2FF;
  --line:#E6E1F2;
  --line-strong:#D6CEEE;
  --ring:rgba(108,60,233,.35);
  --grad-brand:linear-gradient(135deg,#6C3CE9 0%,#A34BE0 45%,#FF4D8D 100%);
  --grad-warm:linear-gradient(120deg,#FFB36B,#FF4D8D);
  --grad-soft:linear-gradient(135deg,rgba(108,60,233,.10),rgba(255,77,141,.10));
  --shadow-1:0 2px 8px rgba(58,31,115,.06);
  --shadow-2:0 12px 32px rgba(58,31,115,.10);
  --shadow-brand:0 14px 34px rgba(108,60,233,.28);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --nav-w:232px;
  --bs-primary:#6C3CE9;
  --bs-primary-rgb:108,60,233;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-body-bg:#F7F5FC;
  --bs-body-color:#1A1526;
  --bs-border-color:#E6E1F2;
  --bs-border-radius:16px;
  --bs-link-color:#6C3CE9;
  --bs-link-hover-color:#3A1F73;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
ul,ol{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:8px;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;color:var(--text-900);letter-spacing:-.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
.container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.num{font-variant-numeric:tabular-nums;}

/* ===== 左侧竖向导航 ===== */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--brand-900);
  color:var(--text-invert);
  display:flex;flex-direction:column;
  padding:24px 16px 20px;
  overflow-y:auto;z-index:1040;
}
.side-brand{display:flex;align-items:center;gap:12px;padding:4px 6px 20px;border-bottom:1px solid rgba(255,255,255,.10);margin-bottom:16px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  background:var(--grad-brand);display:grid;place-items:center;
  color:#fff;font-weight:800;font-size:18px;box-shadow:var(--shadow-brand);
}
.brand-name{display:block;font-size:17px;font-weight:700;line-height:1.3;color:var(--text-invert);letter-spacing:-.3px;}
.brand-sub{display:block;font-size:12px;color:rgba(245,242,255,.62);letter-spacing:.6px;}
.side-links{display:flex;flex-direction:column;gap:4px;flex:1;}
.side-links a{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:12px;
  color:rgba(245,242,255,.74);font-size:15px;line-height:1.4;
  transition:background .2s ease,color .2s ease;
}
.side-links a i{width:18px;text-align:center;font-size:14px;opacity:.85;}
.side-links a:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none;}
.side-links a.active{background:rgba(255,255,255,.10);color:#fff;font-weight:600;}
.side-links a.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:2px;background:var(--grad-brand);
}
.side-foot{
  margin-top:18px;padding:14px 14px;border-radius:16px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  font-size:13px;line-height:1.7;color:rgba(245,242,255,.72);
}
.side-foot strong{display:block;color:var(--accent-300);font-size:20px;font-weight:800;line-height:1.2;}

/* ===== 移动端顶栏与抽屉 ===== */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;
  background:#fff;border-bottom:1px solid var(--line);z-index:1050;
  align-items:center;justify-content:space-between;padding:0 16px;
}
.mobile-brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.mobile-brand .brand-mark{width:36px;height:36px;font-size:16px;border-radius:10px;}
.mobile-brand .brand-name{color:var(--text-900);font-size:16px;}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;color:var(--brand-700);font-size:17px;
  display:grid;place-items:center;cursor:pointer;transition:.2s;
}
.nav-toggle:hover{background:var(--bg-soft);border-color:var(--line-strong);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,16,51,.5);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:1055;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100vh;width:min(320px,84vw);
  background:#fff;z-index:1060;padding:20px 18px;overflow-y:auto;
  transform:translateX(100%);transition:transform .2s ease;
  box-shadow:-8px 0 32px rgba(27,16,51,.20);
}
.mobile-drawer.show{transform:translateX(0);}
.drawer-title{font-size:13px;font-weight:700;color:var(--text-500);letter-spacing:1px;margin-bottom:12px;}
.drawer-links{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-links a{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:14px 6px;font-size:15px;color:var(--text-700);
  border-bottom:1px solid var(--line);min-height:48px;
}
.drawer-links a i{width:18px;text-align:center;color:var(--brand-500);font-size:14px;}
.drawer-links a:hover{text-decoration:none;color:var(--brand-700);}
.drawer-links a.active{color:var(--brand-500);font-weight:600;}
.drawer-links a.active::before{
  content:"";position:absolute;left:-18px;top:12px;bottom:12px;width:3px;
  background:var(--grad-brand);border-radius:2px;
}
.drawer-cta{margin-top:20px;display:block;text-align:center;}

/* ===== 主内容布局 ===== */
.page-main{margin-left:var(--nav-w);min-height:100vh;}
.section{padding:88px 0;}
.section.tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.25;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";display:block;width:48px;height:6px;border-radius:3px;
  background:var(--grad-brand);margin-bottom:16px;
}
.section-head p{font-size:16px;color:var(--text-700);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--brand-700);background:var(--bg-soft);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:5px 14px;margin-bottom:18px;
}

/* ===== 面包屑 ===== */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-500);margin-bottom:26px;}
.crumb a{color:var(--text-700);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{color:var(--line-strong);}
.crumb .current{color:var(--text-500);}

/* ===== Hero ===== */
.cat-hero{position:relative;padding:48px 0 64px;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(108,60,233,.55) 1px,transparent 1px);
  background-size:24px 24px;opacity:.055;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.18;
  letter-spacing:-.5px;margin-bottom:18px;
}
.cat-hero h1 .hl{
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.cat-hero .lede{font-size:17px;color:var(--text-700);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}

.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad-brand);color:#fff;border:0;border-radius:12px;
  padding:13px 26px;font-size:15px;font-weight:600;line-height:1.2;
  min-height:48px;box-shadow:var(--shadow-brand);cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 18px 40px rgba(108,60,233,.34);}
.btn-brand:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand-700);
  border:1.5px solid var(--brand-500);border-radius:12px;
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  min-height:48px;cursor:pointer;transition:background .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--grad-soft);color:var(--brand-700);text-decoration:none;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-500);}
.btn-text i{transition:transform .2s ease;font-size:12px;}
.btn-text:hover{text-decoration:none;color:var(--brand-700);}
.btn-text:hover i{transform:translateX(4px);}

.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1.4;
  padding:4px 12px;border-radius:999px;
  background:var(--bg-soft);color:var(--brand-700);border:1px solid var(--line-strong);
}
.tag-warm{background:rgba(255,179,107,.20);color:#8a4a06;border-color:rgba(255,179,107,.55);}
.tag-amber{background:rgba(255,179,107,.18);color:#5c3200;border-color:rgba(255,179,107,.45);}
.tag-invert{background:rgba(255,255,255,.10);color:var(--accent-300);border-color:rgba(255,255,255,.18);}
.tag i{font-size:11px;}

.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-2);border:1px solid var(--line);background:var(--brand-900);
}
.hero-visual img{width:100%;aspect-ratio:16/12;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(27,16,51,.10),rgba(108,60,233,.30));
}
.glow{position:absolute;border-radius:50%;filter:blur(46px);opacity:.30;pointer-events:none;z-index:1;}
.glow-a{width:180px;height:180px;background:#FF4D8D;top:-40px;right:-30px;}
.glow-b{width:200px;height:200px;background:#6C3CE9;bottom:-60px;left:-40px;opacity:.34;}
.hero-float{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:3;
  background:rgba(255,255,255,.95);border:1px solid var(--line);
  border-radius:18px;padding:14px 16px;box-shadow:var(--shadow-2);
  display:flex;flex-direction:column;gap:8px;
}
.hero-float strong{font-size:16px;font-weight:700;color:var(--text-900);}
.hero-float .hero-float-line{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;}
.hero-float span.clock{font-size:13px;color:var(--text-500);font-variant-numeric:tabular-nums;}

/* ===== 数据徽章横条 ===== */
.stat-strip{
  position:relative;background:var(--brand-900);border-radius:32px;
  padding:40px 32px;overflow:hidden;box-shadow:var(--shadow-2);
}
.stat-strip::before{
  content:"";position:absolute;width:280px;height:280px;border-radius:50%;
  background:var(--accent-500);filter:blur(90px);opacity:.22;top:-120px;right:-60px;
}
.stat-strip::after{
  content:"";position:absolute;width:260px;height:260px;border-radius:50%;
  background:var(--brand-500);filter:blur(90px);opacity:.30;bottom:-140px;left:-70px;
}
.stat-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-item{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:20px 20px;
}
.stat-num{
  font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1.05;
  background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;font-variant-numeric:tabular-nums;
  display:block;margin-bottom:8px;
}
.stat-num .unit{font-size:15px;font-weight:700;margin-left:4px;}
.stat-label{font-size:13px;color:rgba(245,242,255,.70);line-height:1.6;}

/* ===== 要点卡 ===== */
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.icon-badge{
  width:56px;height:56px;border-radius:16px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:20px;
  box-shadow:var(--shadow-brand);margin-bottom:18px;
}
.feature-card h3{font-size:19px;font-weight:700;line-height:1.4;margin-bottom:10px;}
.feature-card p{font-size:15px;color:var(--text-700);line-height:1.8;margin-bottom:16px;}
.feature-card .btn-text{margin-top:auto;}

/* ===== 大图卡 ===== */
.game-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;
}
.game-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.game-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--bg-soft);}
.game-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.game-card:hover .thumb img{transform:scale(1.03);}
.game-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(27,16,51,.70),rgba(27,16,51,0) 58%);
  opacity:0;transition:opacity .3s ease;
}
.game-card:hover .thumb::after{opacity:1;}
.thumb-tag{position:absolute;top:12px;left:12px;z-index:2;}
.game-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.game-card h3{font-size:19px;font-weight:700;line-height:1.4;}
.game-card p{font-size:14px;color:var(--text-700);line-height:1.75;margin:0;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-500);}
.meta-row .time{color:#B26A16;font-weight:700;font-variant-numeric:tabular-nums;}
.card-divider{height:1px;background:var(--line);margin:4px 0;}

/* ===== 开服时段表 ===== */
.schedule-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.schedule-row{
  display:grid;grid-template-columns:110px 1.4fr 1fr 120px;
  gap:16px;align-items:center;padding:16px 24px;
  border-bottom:1px solid var(--line);transition:background .18s ease;
}
.schedule-row:last-child{border-bottom:0;}
.schedule-row:not(.schedule-head):hover{background:var(--bg-soft);}
.schedule-head{
  background:var(--brand-900);color:rgba(245,242,255,.70);
  font-size:13px;font-weight:600;letter-spacing:.6px;border-bottom:0;
}
.schedule-time{font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;}
.schedule-name{font-weight:600;color:var(--text-900);}
.schedule-server{color:var(--text-700);font-size:15px;}
.schedule-type{font-size:13px;color:var(--text-500);}

.notice-bar{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line-strong);
  border-left:4px solid var(--accent-500);border-radius:16px;
  padding:18px 22px;box-shadow:var(--shadow-1);margin-top:24px;
}
.notice-bar i{color:var(--accent-500);font-size:18px;margin-top:4px;}
.notice-bar p{font-size:14px;color:var(--text-700);margin:0;}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .2s ease;
}
.faq-item.open{box-shadow:var(--shadow-2);}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:2px;background:var(--grad-brand);
}
.faq-q{
  width:100%;display:block;text-align:left;background:none;border:0;
  padding:20px 56px 20px 22px;font-size:17px;font-weight:600;
  color:var(--text-900);line-height:1.5;cursor:pointer;
}
.faq-q i{
  position:absolute;right:22px;top:24px;color:var(--brand-500);
  font-size:14px;transition:transform .2s ease;
}
.faq-item.open .faq-q i{transform:rotate(135deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 20px 22px;color:var(--text-700);font-size:15px;line-height:1.8;}

/* ===== CTA ===== */
.cta-panel{
  position:relative;background:var(--grad-soft);border:1px solid var(--line);
  border-radius:32px;padding:48px;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;width:240px;height:240px;border-radius:50%;
  background:var(--accent-500);filter:blur(80px);opacity:.18;top:-100px;right:-40px;
}
.cta-panel .inner{position:relative;z-index:1;}
.cta-panel h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25;margin-bottom:14px;}
.cta-panel p{font-size:16px;color:var(--text-700);max-width:620px;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--brand-900);color:rgba(245,242,255,.72);
  border-radius:32px 32px 0 0;padding:64px 0 28px;margin-top:88px;
}
.site-footer .brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.site-footer .brand-name{color:var(--text-invert);}
.site-footer .brand-sub{color:rgba(245,242,255,.55);}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(245,242,255,.66);max-width:340px;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:rgba(245,242,255,.72);}
.foot-links a:hover{color:#fff;text-decoration:none;}
.foot-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;margin-bottom:12px;color:rgba(245,242,255,.72);}
.foot-contact i{color:var(--accent-300);margin-top:5px;font-size:13px;}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(245,242,255,.55);
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  :root{--nav-w:200px;}
  .section{padding:64px 0;}
  .cat-hero{padding:40px 0 56px;}
  .stat-grid{gap:16px;}
  .stat-strip{padding:32px 24px;}
}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .page-main{margin-left:0;padding-top:64px;}
  .section{padding:56px 0;}
  .site-footer{margin-top:64px;border-radius:24px 24px 0 0;padding:48px 0 24px;}
  .cta-panel{padding:36px 28px;border-radius:24px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-strip{border-radius:24px;}
  .schedule-row{grid-template-columns:90px 1fr 1fr;gap:12px;padding:14px 18px;}
  .schedule-row .schedule-type{display:none;}
  .schedule-head .schedule-type{display:none;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .cat-hero{padding:28px 0 44px;}
  .cat-hero .lede{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-brand,
  .hero-actions .btn-ghost{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-brand,
  .cta-actions .btn-ghost{width:100%;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat-item{padding:16px;}
  .schedule-row{grid-template-columns:78px 1fr;gap:10px;padding:14px 16px;}
  .schedule-row .schedule-server{grid-column:2;font-size:14px;color:var(--text-700);}
  .schedule-head .schedule-server{display:none;}
  .schedule-head .schedule-name{grid-column:2;}
  .faq-q{font-size:16px;padding:18px 48px 18px 18px;}
  .faq-q i{right:18px;top:22px;}
  .cta-panel{padding:28px 20px;}
  .site-footer .foot-desc{max-width:none;}
}
@media (max-width:575.98px){
  .cat-hero h1{font-size:28px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-num{font-size:26px;}
  .hero-float strong{font-size:15px;}
}

/* roulang page: category2 */
:root{
  --brand-500:#6C3CE9;
  --brand-700:#3A1F73;
  --brand-900:#1B1033;
  --accent-500:#FF4D8D;
  --accent-400:#FFB36B;
  --accent-300:#FFD9A0;
  --bg-page:#F7F5FC;
  --bg-soft:#EFEBFA;
  --surface:#FFFFFF;
  --text-900:#1A1526;
  --text-700:#4A4359;
  --text-500:#7A7288;
  --text-invert:#F5F2FF;
  --line:#E6E1F2;
  --line-strong:#D6CEEE;
  --ring:rgba(108,60,233,.35);
  --grad-brand:linear-gradient(135deg,#6C3CE9 0%,#A34BE0 45%,#FF4D8D 100%);
  --grad-warm:linear-gradient(120deg,#FFB36B,#FF4D8D);
  --grad-soft:linear-gradient(135deg,rgba(108,60,233,.10),rgba(255,77,141,.10));
  --shadow-1:0 2px 8px rgba(58,31,115,.06);
  --shadow-2:0 12px 32px rgba(58,31,115,.10);
  --shadow-brand:0 14px 34px rgba(108,60,233,.28);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --nav-w:232px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg-page);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
a:hover{color:var(--brand-700);}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;color:var(--text-900);}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;}
h3{font-size:21px;line-height:1.4;font-weight:700;}
h4{font-size:17px;font-weight:600;line-height:1.5;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px var(--ring);border-radius:6px;}

.container,
.container-sm,.container-md,.container-lg,.container-xl{
  width:100%;
  max-width:1200px !important;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px !important;
  padding-right:24px !important;
}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--brand-900);
  display:flex;
  flex-direction:column;
  padding:28px 18px 22px;
  z-index:1050;
  overflow-y:auto;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:99px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:13px;
  background:var(--grad-brand);
  color:#fff;
  font-weight:800;
  font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-brand);
  letter-spacing:0;
}
.brand-name{display:block;font-size:17px;font-weight:800;color:var(--text-invert);line-height:1.25;letter-spacing:.2px;}
.brand-sub{display:block;font-size:12px;color:rgba(245,242,255,.58);line-height:1.5;margin-top:2px;}
.side-menu{margin-top:34px;display:flex;flex-direction:column;gap:6px;}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:11px;
  padding:12px 14px;
  min-height:44px;
  border-radius:12px;
  color:rgba(245,242,255,.74);
  font-size:15px;
  font-weight:500;
  line-height:1.4;
}
.side-link i{width:18px;font-size:15px;opacity:.85;text-align:center;}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-link.active{
  background:rgba(255,255,255,.10);
  color:#fff;
  font-weight:600;
}
.side-link.active::before{
  content:"";
  position:absolute;left:0;top:9px;bottom:9px;
  width:3px;border-radius:3px;
  background:var(--grad-brand);
}
.side-link.active i{color:var(--accent-400);opacity:1;}
.side-foot{margin-top:auto;padding-top:26px;}
.side-badge{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;
  padding:14px 15px;
}
.side-badge strong{display:block;font-size:26px;font-weight:800;line-height:1.1;background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent;}
.side-badge span{display:block;font-size:12.5px;color:rgba(245,242,255,.65);line-height:1.6;margin-top:4px;}
.side-contact{display:block;margin-top:14px;font-size:12.5px;color:rgba(245,242,255,.6);line-height:1.7;}
.side-contact i{margin-right:6px;color:var(--accent-400);}

/* ============ 移动端顶部栏 ============ */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;
  height:64px;
  background:#fff;
  border-bottom:1px solid var(--line);
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  z-index:1060;
}
.mobile-brand{display:flex;align-items:center;gap:10px;}
.mobile-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:12px;font-size:17px;box-shadow:none;}
.mobile-brand .brand-name{color:var(--text-900);font-size:16px;}
.nav-toggle{
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  color:var(--brand-500);
  font-size:17px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--bg-soft);}
.drawer{
  position:fixed;
  top:64px;right:0;bottom:0;
  width:min(320px,84vw);
  background:#fff;
  transform:translateX(105%);
  transition:transform .2s ease;
  z-index:1055;
  padding:18px 16px 40px;
  overflow-y:auto;
  box-shadow:var(--shadow-2);
}
.drawer.open{transform:translateX(0);}
.drawer .side-link{color:var(--text-700);}
.drawer .side-link:hover{background:var(--bg-soft);color:var(--brand-700);}
.drawer .side-link.active{background:var(--grad-soft);color:var(--brand-700);}
.drawer .side-link.active i{color:var(--brand-500);}
.drawer-title{font-size:13px;color:var(--text-500);font-weight:600;padding:4px 14px 10px;}

/* ============ 主区域 ============ */
.main-wrap{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.section{padding:var(--sp-8) 0;}
.section-tight{padding:var(--sp-6) 0;}
.section-soft{background:var(--bg-soft);}
.section-dark{
  background:var(--brand-900);
  color:var(--text-invert);
  border-radius:32px;
}
.section-head{max-width:760px;margin-bottom:var(--sp-6);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;
  color:var(--brand-500);
  background:rgba(108,60,233,.09);
  border:1px solid rgba(108,60,233,.16);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
  letter-spacing:.2px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-brand);}
h2.deco::before{
  content:"";
  display:block;
  width:56px;height:6px;
  border-radius:99px;
  background:var(--grad-brand);
  margin-bottom:18px;
}
.section-head.center h2.deco::before{margin-left:auto;margin-right:auto;}
.section-head p{color:var(--text-700);font-size:16px;margin-top:14px;margin-bottom:0;}
.section-dark .section-head p{color:rgba(245,242,255,.72);}
.section-dark h2{color:#fff;}
.section-dark .eyebrow{color:var(--accent-300);background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;
  padding:13px 26px;
  border-radius:12px;
  font-size:15.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  line-height:1.3;
}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-brand);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(108,60,233,.34);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand-500);border-color:var(--line-strong);}
.btn-ghost:hover{background:rgba(108,60,233,.08);border-color:var(--brand-500);color:var(--brand-700);}
.btn-light-o{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.24);}
.btn-light-o:hover{background:rgba(255,255,255,.16);color:#fff;}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14.5px;font-weight:600;color:var(--brand-500);
}
.link-arrow i{transition:transform .18s ease;font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:52px 0 var(--sp-7);
  background:
    radial-gradient(circle at 88% 12%,rgba(255,77,141,.13),transparent 42%),
    radial-gradient(circle at 6% 78%,rgba(108,60,233,.12),transparent 46%),
    linear-gradient(180deg,#F7F5FC 0%,#EFEBFA 100%);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(108,60,233,.5) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.05;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.breadcrumb-x{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-500);margin-bottom:24px;flex-wrap:wrap;}
.breadcrumb-x a{color:var(--text-500);}
.breadcrumb-x a:hover{color:var(--brand-500);}
.breadcrumb-x .sep{color:var(--line-strong);}
.breadcrumb-x .current{color:var(--text-500);}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17.5px;color:var(--text-700);max-width:620px;line-height:1.9;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.metric-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 16px;
  font-size:13.5px;
  font-weight:600;
  color:var(--text-700);
  box-shadow:var(--shadow-1);
}
.metric-chip i{color:var(--brand-500);font-size:13px;}
.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:var(--bg-soft);
  aspect-ratio:4/3;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(108,60,233,.30) 0%,rgba(27,16,51,.05) 46%,rgba(255,77,141,.22) 100%);
  opacity:.75;
}
.hero-visual .spot{
  position:absolute;border-radius:50%;filter:blur(26px);z-index:3;
}
.hero-visual .spot.s1{width:140px;height:140px;left:-30px;top:-30px;background:rgba(255,179,107,.34);}
.hero-visual .spot.s2{width:180px;height:180px;right:-40px;bottom:-50px;background:rgba(255,77,141,.30);}
.hero-visual .float-card{
  position:absolute;left:20px;bottom:20px;right:20px;
  z-index:4;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(6px);
  border-radius:var(--r-md);
  padding:16px 18px;
  box-shadow:var(--shadow-1);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  flex-wrap:wrap;
}
.float-card .fc-t{font-size:13px;color:var(--text-500);line-height:1.6;}
.float-card .fc-v{font-size:20px;font-weight:800;color:var(--text-900);line-height:1.3;}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--accent-500);display:inline-block;margin-right:7px;box-shadow:0 0 0 4px rgba(255,77,141,.18);}

/* ============ 数据徽章横条 ============ */
.stat-bar{
  background:var(--brand-900);
  border-radius:32px;
  padding:var(--sp-6) var(--sp-5);
  color:var(--text-invert);
  position:relative;
  overflow:hidden;
}
.stat-bar::before{
  content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,141,.28),transparent 68%);
}
.stat-bar::after{
  content:"";position:absolute;left:-70px;bottom:-120px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,60,233,.34),transparent 68%);
}
.stat-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-cell{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;
  padding:22px 20px;
  transition:background .18s ease,transform .18s ease;
}
.stat-cell:hover{background:rgba(255,255,255,.09);transform:translateY(-2px);}
.stat-num{
  font-size:clamp(28px,3vw,38px);
  font-weight:800;line-height:1.05;
  background:var(--grad-warm);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:15px;font-weight:700;margin-left:3px;-webkit-text-fill-color:var(--accent-400);}
.stat-label{display:block;margin-top:10px;font-size:14px;color:rgba(245,242,255,.72);line-height:1.7;}

/* ============ 左窄右宽双栏 ============ */
.two-col{display:grid;grid-template-columns:300px 1fr;gap:var(--sp-5);align-items:start;}
.sticky-card{
  position:sticky;top:32px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
}
.sticky-card h3{font-size:18px;margin-bottom:6px;}
.sticky-card .sc-desc{font-size:14px;color:var(--text-500);margin-bottom:18px;line-height:1.7;}
.check-list li{
  display:flex;gap:11px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  color:var(--text-700);
  line-height:1.7;
}
.check-list li:last-child{border-bottom:0;padding-bottom:2px;}
.check-list i{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  background:var(--grad-brand);color:#fff;
  font-size:10px;display:flex;align-items:center;justify-content:center;
  margin-top:5px;
}
.sticky-card .btn-x{width:100%;margin-top:20px;}

/* ============ 时间线 ============ */
.timeline-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px 30px 14px;
  box-shadow:var(--shadow-1);
}
.timeline{position:relative;padding-left:32px;margin-top:6px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:14px;width:2px;border-radius:99px;
  background:linear-gradient(180deg,var(--brand-500),var(--accent-500));
  opacity:.75;
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:5px;
  width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-500);
  box-shadow:0 0 0 4px rgba(108,60,233,.10);
}
.tl-item:nth-child(2)::before{border-color:#9B4BE0;}
.tl-item:nth-child(3)::before{border-color:var(--accent-500);}
.tl-item:nth-child(4)::before{border-color:var(--accent-400);}
.tl-item h3{font-size:19px;margin:10px 0 8px;}
.tl-item p{color:var(--text-700);font-size:15px;margin-bottom:12px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px;}
.dot-list{display:flex;flex-direction:column;gap:8px;}
.dot-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--text-700);
  line-height:1.75;
}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--grad-warm);
}

/* ============ 徽章 ============ */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid transparent;
}
.badge-brand{background:rgba(108,60,233,.09);color:var(--brand-700);border-color:rgba(108,60,233,.18);}
.badge-amber{background:rgba(255,179,107,.20);color:#7A4415;border-color:rgba(255,179,107,.42);}
.badge-live{background:rgba(255,77,141,.10);color:#B32258;border-color:rgba(255,77,141,.24);}

/* ============ 卡片 ============ */
.card-x{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  height:100%;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card-x:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.icon-box{
  width:56px;height:56px;border-radius:16px;
  background:var(--grad-brand);
  color:#fff;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
  box-shadow:0 10px 22px rgba(108,60,233,.22);
}
.icon-box.warm{background:var(--grad-warm);box-shadow:0 10px 22px rgba(255,77,141,.20);}
.card-x h3{font-size:19px;margin-bottom:10px;}
.card-x p{color:var(--text-700);font-size:15px;}
.card-x .link-arrow{margin-top:16px;}

.media-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  height:100%;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.media-frame{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft);}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.media-card:hover .media-frame img{transform:scale(1.03);}
.media-frame .tag-abs{position:absolute;left:14px;top:14px;}
.media-frame .cover-mask{
  position:absolute;inset:auto 0 0 0;height:64%;
  background:linear-gradient(180deg,rgba(27,16,51,0) 0%,rgba(27,16,51,.78) 100%);
  opacity:0;transition:opacity .25s ease;
  display:flex;align-items:flex-end;padding:16px;
}
.media-card:hover .cover-mask{opacity:1;}
.cover-mask span{color:#fff;font-size:14px;font-weight:600;}
.media-body{padding:22px 22px 24px;}
.media-body h3{font-size:18.5px;margin-bottom:8px;}
.media-body p{font-size:14.5px;color:var(--text-700);margin-bottom:14px;}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  position:relative;
  box-shadow:var(--shadow-1);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 4px 4px 0;
  background:var(--grad-brand);
  opacity:0;transition:opacity .2s ease;
}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;
  border:0;
  padding:20px 22px;
  font-size:17px;font-weight:600;color:var(--text-900);
  text-align:left;
  cursor:pointer;
  line-height:1.6;
}
.faq-q:hover{color:var(--brand-700);}
.faq-q .chev{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  background:var(--bg-soft);color:var(--brand-500);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  transition:transform .2s ease,background .2s ease;
}
.faq-item.open .faq-q .chev{transform:rotate(180deg);background:rgba(108,60,233,.14);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease;
}
.faq-item.open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 22px 22px;
  font-size:15px;color:var(--text-700);line-height:1.85;
}

/* ============ CTA ============ */
.cta-box{
  position:relative;
  background:linear-gradient(135deg,#1B1033 0%,#3A1F73 58%,#5B2BA8 100%);
  border-radius:32px;
  padding:56px 48px;
  color:var(--text-invert);
  overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,141,.36),transparent 68%);
}
.cta-box::after{
  content:"";position:absolute;left:-100px;bottom:-130px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,179,107,.26),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;max-width:620px;margin-bottom:12px;}
.cta-inner p{color:rgba(245,242,255,.78);margin-bottom:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 表单条 ============ */
.sub-bar{
  display:flex;gap:12px;flex-wrap:wrap;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--shadow-1);
}
.sub-bar .form-control-x{flex:1 1 220px;}
.form-control-x{
  width:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:13px 15px;
  font-size:15px;
  min-height:48px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-control-x::placeholder{color:var(--text-500);}
.form-control-x:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px var(--ring);
}
.form-note{font-size:13px;color:var(--text-500);margin-top:10px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(245,242,255,.76);
  border-radius:32px 32px 0 0;
  padding:var(--sp-7) 0 26px;
  margin-top:var(--sp-7);
}
.site-footer .brand-name{color:#fff;font-size:17px;}
.site-footer .brand-sub{color:rgba(245,242,255,.55);}
.foot-desc{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(245,242,255,.66);max-width:340px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{color:rgba(245,242,255,.7);font-size:14.5px;line-height:1.6;}
.foot-links a:hover{color:#fff;}
.foot-contact{display:flex;flex-direction:column;gap:13px;}
.foot-contact li{display:flex;gap:10px;font-size:14.5px;color:rgba(245,242,255,.7);line-height:1.7;}
.foot-contact i{color:var(--accent-400);margin-top:5px;font-size:13px;}
.foot-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(245,242,255,.55);
}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;
  padding:48px 20px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
  background:var(--surface);
}
.empty-state i{font-size:48px;color:rgba(108,60,233,.20);}
.empty-state p{margin:14px 0 0;color:var(--text-500);font-size:15px;}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .container{max-width:1140px !important;}
}
@media (max-width:1199.98px){
  :root{--nav-w:200px;}
  .section{padding:var(--sp-7) 0;}
  .hero{padding:40px 0 var(--sp-6);}
  .two-col{grid-template-columns:260px 1fr;gap:var(--sp-4);}
  .stat-grid{grid-template-columns:repeat(4,1fr);gap:12px;}
  .stat-cell{padding:18px 16px;}
}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .main-wrap{margin-left:0;padding-top:64px;}
  .hero{padding:34px 0 var(--sp-6);}
  .two-col{grid-template-columns:1fr;}
  .sticky-card{position:static;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .cta-box{padding:40px 28px;border-radius:26px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .site-footer{border-radius:26px 26px 0 0;}
}
@media (max-width:767.98px){
  .container{padding-left:16px !important;padding-right:16px !important;}
  .section{padding:var(--sp-6) 0;}
  .section-tight{padding:var(--sp-5) 0;}
  .hero-lead{font-size:16px;}
  .hero-cta .btn-x{width:100%;}
  .hero-visual{aspect-ratio:16/11;}
  .stat-bar{border-radius:26px;padding:var(--sp-5) 20px;}
  .timeline-wrap{padding:24px 20px 8px;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-28px;width:16px;height:16px;border-width:3px;}
  .timeline::before{left:7px;}
  .faq-q{font-size:16px;padding:17px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .site-footer{padding-top:var(--sp-6);}
  .foot-bottom{flex-direction:column;gap:8px;}
  .sub-bar{flex-direction:column;}
  .sub-bar .btn-x{width:100%;}
}
@media (max-width:519.98px){
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:10px;}
  .stat-num{font-size:26px;}
  .card-x{padding:22px 20px;}
  .media-body{padding:18px;}
  .cta-box{padding:32px 20px;}
}
@media (max-width:399.98px){
  .stat-grid{grid-template-columns:1fr;}
  .hero-metrics .metric-chip{width:100%;justify-content:flex-start;}
}

/* roulang page: category4 */
:root{
  --brand-500:#6C3CE9;
  --brand-700:#3A1F73;
  --brand-900:#1B1033;
  --accent-500:#FF4D8D;
  --accent-400:#FFB36B;
  --accent-300:#FFD9A0;
  --bg-page:#F7F5FC;
  --bg-soft:#EFEBFA;
  --surface:#FFFFFF;
  --text-900:#1A1526;
  --text-700:#4A4359;
  --text-500:#7A7288;
  --text-invert:#F5F2FF;
  --line:#E6E1F2;
  --line-strong:#D6CEEE;
  --ring:rgba(108,60,233,.35);
  --grad-brand:linear-gradient(135deg,#6C3CE9 0%,#A34BE0 45%,#FF4D8D 100%);
  --grad-warm:linear-gradient(120deg,#FFB36B,#FF4D8D);
  --grad-soft:linear-gradient(135deg,rgba(108,60,233,.10),rgba(255,77,141,.10));
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(58,31,115,.06);
  --shadow-2:0 12px 32px rgba(58,31,115,.10);
  --shadow-brand:0 14px 34px rgba(108,60,233,.28);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;--sp-7:64px;--sp-8:88px;
  --side-w:232px;

  --bs-primary:#6C3CE9;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-body-color:#1A1526;
  --bs-body-bg:#F7F5FC;
  --bs-border-radius:16px;
  --bs-link-color:#6C3CE9;
  --bs-link-hover-color:#3A1F73;
}

*,*::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","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg-page);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--r-md);object-fit:cover;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:2px;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;color:var(--text-900);}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.25;}
h3{font-size:20px;font-weight:700;line-height:1.4;}
h4{font-size:17px;font-weight:600;line-height:1.5;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea{font-family:inherit;font-size:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--ring);
  outline-offset:2px;
  border-radius:6px;
}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:var(--sp-4);
  padding-right:var(--sp-4);
}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--brand-900);
  color:var(--text-invert);
  display:flex;flex-direction:column;
  padding:var(--sp-4) var(--sp-3);
  z-index:1050;
  overflow-y:auto;
}
.side-brand{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-1) var(--sp-2) var(--sp-4);color:var(--text-invert);}
.side-brand:hover{color:#fff;text-decoration:none;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:var(--r-sm);
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-brand);
}
.brand-name{display:block;font-size:17px;font-weight:700;letter-spacing:.5px;color:#fff;}
.brand-sub{display:block;font-size:12px;color:rgba(245,242,255,.62);line-height:1.5;}
.side-menu{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;}
.side-menu a{
  position:relative;display:flex;align-items:center;
  min-height:44px;padding:10px var(--sp-3);
  color:rgba(245,242,255,.78);
  font-size:15px;border-radius:var(--r-sm);
  transition:background .2s ease,color .2s ease;
}
.side-menu a:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none;}
.side-menu a.active{
  background:rgba(255,255,255,.10);
  color:#C6A8FF;
  font-weight:600;
}
.side-menu a.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--grad-brand);
}
.side-foot{
  margin-top:var(--sp-5);
  padding:var(--sp-3);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.05);
  font-size:13px;line-height:1.7;color:rgba(245,242,255,.76);
}
.side-foot strong{display:block;color:var(--accent-400);font-size:20px;font-weight:800;line-height:1.2;}
.side-foot i{color:var(--accent-400);margin-right:6px;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.mobile-bar{
  position:fixed;top:0;left:0;right:0;height:64px;
  display:none;align-items:center;justify-content:space-between;
  padding:0 var(--sp-3);
  background:#fff;border-bottom:1px solid var(--line);
  z-index:1060;
}
.mobile-brand{display:flex;align-items:center;gap:10px;color:var(--text-900);}
.mobile-brand:hover{color:var(--text-900);text-decoration:none;}
.mobile-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:18px;}
.mobile-brand .brand-name{font-size:16px;color:var(--text-900);}
.nav-toggle{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--brand-500);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.nav-toggle:hover{background:var(--bg-soft);}
.mobile-drawer{
  position:fixed;top:64px;left:0;right:0;bottom:0;
  background:#fff;z-index:1055;
  padding:var(--sp-3) var(--sp-4) var(--sp-7);
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .2s ease;
  display:none;
}
.mobile-drawer.open{transform:translateX(0);}
.mobile-drawer a{
  display:flex;align-items:center;
  min-height:48px;
  padding:12px 4px;
  border-bottom:1px solid var(--line);
  color:var(--text-900);font-size:16px;
}
.mobile-drawer a.active{color:var(--brand-500);font-weight:600;position:relative;padding-left:14px;}
.mobile-drawer a.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:3px;background:var(--grad-brand);
}

/* ---------- 页面外壳 ---------- */
.page-shell{margin-left:var(--side-w);}
.page-main{display:block;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-8) 0;}
.section-soft{background:var(--bg-soft);}
.section-title{margin-bottom:var(--sp-5);}
.section-title .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-500);
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(108,60,233,.10);
  margin-bottom:var(--sp-3);
}
.section-title h2{position:relative;padding-top:14px;}
.section-title h2::before{
  content:"";position:absolute;top:0;left:0;width:44px;height:6px;border-radius:3px;background:var(--grad-brand);
}
.section-title p{margin:12px 0 0;color:var(--text-700);max-width:760px;}

/* ---------- 按钮 ---------- */
.btn{transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 28px;
  border:none;border-radius:var(--r-sm);
  background:var(--grad-brand);color:#fff;
  font-size:16px;font-weight:600;
  box-shadow:var(--shadow-brand);
  text-decoration:none;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);text-decoration:none;}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 28px;
  border:1px solid var(--brand-500);
  border-radius:var(--r-sm);
  background:transparent;color:var(--brand-500);
  font-size:16px;font-weight:600;text-decoration:none;
}
.btn-ghost:hover{background:rgba(108,60,233,.08);color:var(--brand-700);text-decoration:none;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-500);font-weight:600;font-size:15px;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:rgba(108,60,233,.10);color:var(--brand-500);
}
.badge-warm{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:rgba(255,179,107,.22);color:#7A4415;
}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-500);
  padding:var(--sp-4) 0 0;
}
.crumb a{color:var(--text-700);}
.crumb a:hover{color:var(--brand-500);text-decoration:none;}
.crumb .sep{color:var(--line-strong);}
.crumb .current{color:var(--text-500);}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;
  padding:var(--sp-6) 0 var(--sp-7);
  background:
    radial-gradient(circle at 88% 12%,rgba(255,77,141,.14),transparent 45%),
    radial-gradient(circle at 12% 85%,rgba(108,60,233,.12),transparent 48%),
    var(--bg-page);
  overflow:hidden;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(108,60,233,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.35;pointer-events:none;
}
.hero-cat .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--sp-6);align-items:center;}
.hero-copy h1{margin-bottom:var(--sp-3);}
.hero-copy h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-700);max-width:560px;margin-bottom:var(--sp-4);}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-2);margin-bottom:var(--sp-5);}
.hero-badges{display:flex;flex-wrap:wrap;gap:var(--sp-2);}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:var(--bg-soft);
}
.hero-media img{width:100%;height:340px;border-radius:0;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(27,16,51,.28),rgba(108,60,233,.12) 55%,rgba(255,77,141,.18));
}
.hero-media .glow{
  position:absolute;border-radius:50%;filter:blur(28px);opacity:.32;pointer-events:none;
}
.hero-media .glow.g1{width:150px;height:150px;background:var(--accent-500);top:-40px;right:-30px;}
.hero-media .glow.g2{width:120px;height:120px;background:var(--brand-500);bottom:-30px;left:-20px;}

/* ---------- 数据徽章条 ---------- */
.data-band{
  background:var(--brand-900);
  border-radius:var(--sp-5);
  padding:var(--sp-6) var(--sp-5);
  color:var(--text-invert);
  box-shadow:var(--shadow-2);
}
.data-band h2{color:#fff;font-size:clamp(20px,2.4vw,28px);margin-bottom:8px;}
.data-band .lead{color:rgba(245,242,255,.72);font-size:15px;margin:0 0 var(--sp-5);}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);}
.data-item{
  padding:var(--sp-4);
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;
  background:rgba(255,255,255,.04);
}
.data-item .num{
  font-size:34px;font-weight:800;line-height:1.05;
  background:var(--grad-warm);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.data-item .unit{font-size:15px;font-weight:700;color:var(--accent-300);margin-left:2px;}
.data-item .desc{margin:10px 0 0;font-size:14px;color:rgba(245,242,255,.72);line-height:1.7;}

/* ---------- 图文交错 ---------- */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;background:var(--surface);border-radius:var(--sp-5);box-shadow:var(--shadow-1);overflow:hidden;margin-bottom:var(--sp-4);}
.zigzag:last-child{margin-bottom:0;}
.zigzag .zz-text{padding:var(--sp-6);}
.zigzag .zz-media{position:relative;min-height:320px;}
.zigzag .zz-media img{width:100%;height:100%;min-height:320px;border-radius:0;object-fit:cover;}
.zigzag.reverse .zz-media{order:-1;}
.zigzag h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:var(--sp-3);}
.zigzag .zz-text p.zz-lead{color:var(--text-700);margin-bottom:var(--sp-4);}
.zz-list li{
  position:relative;padding-left:26px;margin-bottom:12px;
  color:var(--text-700);line-height:1.8;
}
.zz-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:10px;height:10px;border-radius:50%;
  background:var(--grad-brand);
}
.zz-list li strong{color:var(--text-900);}

/* ---------- 安全提示条 ---------- */
.notice{
  display:flex;gap:var(--sp-3);align-items:flex-start;
  padding:var(--sp-4) var(--sp-5);
  border-radius:var(--r-lg);
  background:var(--grad-soft);
  border:1px solid var(--line-strong);
}
.notice i{color:var(--brand-500);font-size:22px;line-height:1.4;}
.notice p{margin:0;color:var(--text-700);font-size:15px;}
.notice strong{color:var(--text-900);}

/* ---------- FAQ 折叠面板 ---------- */
.faq-acc .accordion-item{
  border:0;border-radius:20px;overflow:hidden;
  margin-bottom:12px;background:var(--surface);box-shadow:var(--shadow-1);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  position:relative;
  background:var(--surface);color:var(--text-900);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 64px 20px 22px;
  box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-500);background:var(--surface);box-shadow:none;}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--grad-brand);
}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 .25rem var(--ring);border-color:transparent;}
.faq-acc .accordion-button::after{
  content:"+";
  width:30px;height:30px;flex:0 0 30px;
  display:flex;align-items:center;justify-content:center;
  background-image:none;
  background:var(--bg-soft);
  color:var(--brand-500);
  font-size:18px;font-weight:700;
  border-radius:50%;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  background:var(--grad-brand);color:#fff;transform:rotate(180deg);
}
.faq-acc .accordion-body{
  padding:0 22px 22px 22px;
  color:var(--text-700);line-height:1.8;font-size:15px;
}

/* ---------- CTA ---------- */
.cta-box{
  position:relative;overflow:hidden;
  background:var(--brand-900);
  border-radius:var(--sp-5);
  padding:var(--sp-7) var(--sp-6);
  color:var(--text-invert);
  box-shadow:var(--shadow-2);
}
.cta-box::after{
  content:"";position:absolute;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,141,.35),transparent 65%);
  right:-80px;top:-90px;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr 1fr;gap:var(--sp-5);align-items:center;}
.cta-box h2{color:#fff;margin-bottom:var(--sp-3);}
.cta-box p{color:rgba(245,242,255,.76);margin:0;}
.cta-actions{display:flex;flex-direction:column;gap:var(--sp-2);}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  color:rgba(245,242,255,.78);
  border-radius:var(--sp-5) var(--sp-5) 0 0;
  padding:var(--sp-7) 0 var(--sp-4);
  margin-top:var(--sp-8);
}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:var(--sp-3);}
.site-footer .brand{display:flex;align-items:center;gap:var(--sp-2);margin-bottom:var(--sp-3);}
.site-footer .brand-name{color:#fff;}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(245,242,255,.68);}
.foot-links li{margin-bottom:10px;}
.foot-links a{color:rgba(245,242,255,.78);font-size:14px;}
.foot-links a:hover{color:#fff;text-decoration:none;}
.foot-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(245,242,255,.78);}
.foot-contact i{color:var(--accent-400);margin-top:5px;}
.foot-bottom{
  margin-top:var(--sp-5);
  padding-top:var(--sp-4);
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(245,242,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--side-w:200px;}
  .section{padding:var(--sp-7) 0;}
  .hero-grid{gap:var(--sp-5);}
  .data-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .mobile-drawer{display:block;}
  .page-shell{margin-left:0;padding-top:64px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-media img{height:260px;}
  .zigzag{grid-template-columns:1fr;}
  .zigzag .zz-media{min-height:220px;order:-1;}
  .zigzag .zz-media img{min-height:220px;height:220px;}
  .zigzag .zz-text{padding:var(--sp-5);}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{flex:1 1 auto;}
}
@media (max-width:767.98px){
  .section{padding:var(--sp-6) 0;}
  .container{padding-left:var(--sp-3);padding-right:var(--sp-3);}
  .data-band{padding:var(--sp-5) var(--sp-4);border-radius:var(--r-lg);}
  .data-grid{grid-template-columns:1fr 1fr;gap:var(--sp-2);}
  .data-item{padding:var(--sp-3);}
  .data-item .num{font-size:26px;}
  .hero-badges .badge-pill,.hero-badges .badge-warm{font-size:12px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .cta-box{padding:var(--sp-6) var(--sp-4);border-radius:var(--r-lg);}
  .cta-actions{flex-direction:column;}
  .site-footer{border-radius:var(--r-lg) var(--r-lg) 0 0;padding-top:var(--sp-6);}
}
@media (max-width:575.98px){
  .data-grid{grid-template-columns:1fr;}
  .notice{flex-direction:column;gap:10px;padding:var(--sp-4);}
  .foot-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --brand-500:#6C3CE9;
  --brand-700:#3A1F73;
  --brand-900:#1B1033;
  --accent-500:#FF4D8D;
  --accent-400:#FFB36B;
  --accent-300:#FFD9A0;
  --bg-page:#F7F5FC;
  --bg-soft:#EFEBFA;
  --surface:#FFFFFF;
  --text-900:#1A1526;
  --text-700:#4A4359;
  --text-500:#7A7288;
  --text-invert:#F5F2FF;
  --line:#E6E1F2;
  --line-strong:#D6CEEE;
  --ring:rgba(108,60,233,.35);
  --grad-brand:linear-gradient(135deg,#6C3CE9 0%,#A34BE0 45%,#FF4D8D 100%);
  --grad-warm:linear-gradient(120deg,#FFB36B,#FF4D8D);
  --grad-soft:linear-gradient(135deg,rgba(108,60,233,.10),rgba(255,77,141,.10));
  --shadow-1:0 2px 8px rgba(58,31,115,.06);
  --shadow-2:0 12px 32px rgba(58,31,115,.10);
  --shadow-brand:0 14px 34px rgba(108,60,233,.28);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;--sp-7:64px;--sp-8:88px;
  --bs-primary:#6C3CE9;
  --bs-body-bg:#F7F5FC;
  --bs-body-color:#1A1526;
  --bs-border-radius:16px;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease,background .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:8px;}
h1,h2,h3,h4{margin:0;color:var(--text-900);letter-spacing:-.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:24px;}
@media (min-width:1400px){.container{max-width:1200px;}}
@media (max-width:767px){.container{padding-inline:16px;}}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  display:none;
  position:fixed;
  top:0;left:0;
  width:232px;height:100vh;
  background:var(--brand-900);
  flex-direction:column;
  padding:28px 18px 24px;
  z-index:1040;
  overflow-y:auto;
}
.side-brand{display:flex;align-items:center;gap:12px;color:var(--text-invert);text-decoration:none;padding:0 6px 22px;}
.side-brand:hover{text-decoration:none;color:#fff;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-brand);
}
.side-brand-text{display:flex;flex-direction:column;line-height:1.3;}
.side-brand-text strong{font-size:16px;font-weight:800;color:#fff;letter-spacing:.2px;}
.side-brand-text em{font-style:normal;font-size:12px;color:rgba(245,242,255,.6);}
.side-links{display:flex;flex-direction:column;gap:4px;margin-top:6px;}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;
  border-radius:12px;
  color:rgba(245,242,255,.74);
  font-size:14.5px;
  line-height:1.4;
  transition:background .18s ease,color .18s ease;
}
.side-link i{width:18px;text-align:center;font-size:14px;opacity:.9;}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none;}
.side-link.is-active{
  background:rgba(255,255,255,.10);
  color:#C6A9FF;
  font-weight:600;
}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--grad-brand);
}
.side-foot{margin-top:auto;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);}
.side-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,179,107,.16);
  border:1px solid rgba(255,179,107,.34);
  color:var(--accent-300);
  font-size:12.5px;font-weight:600;
  padding:6px 12px;border-radius:999px;
}
.side-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-400);box-shadow:0 0 0 4px rgba(255,179,107,.16);}
.side-note{font-size:12.5px;color:rgba(245,242,255,.55);margin:12px 0 0;line-height:1.7;}

/* ============ 移动端顶部导航 ============ */
.mobile-bar{
  position:sticky;top:0;z-index:1030;
  height:64px;
  background:#fff;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
}
.mobile-brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.mobile-brand:hover{text-decoration:none;}
.mobile-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:17px;border-radius:10px;}
.mobile-brand .brand-name{font-size:16.5px;font-weight:800;color:var(--text-900);}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:12px;color:var(--brand-500);
  font-size:17px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--bg-soft);border-color:var(--line-strong);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,16,51,.5);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#fff;z-index:1060;
  transform:translateX(100%);
  transition:transform .2s ease;
  display:flex;flex-direction:column;
  padding:20px 18px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-head .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:17px;border-radius:10px;}
.drawer-head .brand-name{font-size:16px;font-weight:800;}
.drawer-close{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;color:var(--text-700);font-size:16px;cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;padding:10px 0;}
.drawer-links a{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:14px 8px;color:var(--text-700);font-size:15.5px;
  border-bottom:1px solid var(--line);
}
.drawer-links a i{width:18px;text-align:center;color:var(--brand-500);font-size:14px;}
.drawer-links a.is-active{color:var(--brand-500);font-weight:600;}
.drawer-links a.is-active::before{
  content:"";position:absolute;left:-18px;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--grad-brand);
}
.drawer-foot{margin-top:auto;padding-top:18px;color:var(--text-500);font-size:13px;line-height:1.8;}

@media (min-width:992px){
  .side-nav{display:flex;}
  .mobile-bar{display:none;}
  .drawer,.drawer-mask{display:none;}
  .page-main{margin-left:232px;}
}
@media (min-width:992px) and (max-width:1199px){
  .side-nav{width:200px;padding:24px 14px 20px;}
  .page-main{margin-left:200px;}
}


/* ============ 通用板块 ============ */
.section{padding:88px 0;}
@media (max-width:1199px){.section{padding:64px 0;}}
@media (max-width:767px){.section{padding:48px 0;}}
.section-soft{background:var(--bg-soft);}
.sec-head{max-width:760px;margin-bottom:var(--sp-6);}
.sec-head h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.25;margin-bottom:var(--sp-3);}
.sec-head h2::before{
  content:"";display:block;width:36px;height:6px;border-radius:3px;background:var(--grad-brand);margin-bottom:16px;
}
.sec-head p{color:var(--text-700);font-size:16px;margin:0;}
@media (max-width:767px){.sec-head{margin-bottom:var(--sp-5);}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:12px;
  font-size:15.5px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .18s ease;text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-grad{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-brand);}
.btn-grad:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--brand-500);border-color:var(--brand-500);}
.btn-ghost:hover{background:var(--bg-soft);color:var(--brand-700);border-color:var(--brand-700);}
.btn:active{transform:translateY(0) scale(.99);}

.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(108,60,233,.10);
  color:var(--brand-700);
  border:1px solid rgba(108,60,233,.18);
  font-size:13px;font-weight:600;padding:4px 12px;border-radius:999px;
}
.badge-warm{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,179,107,.20);
  color:#7A4413;
  border:1px solid rgba(255,179,107,.42);
  font-size:13px;font-weight:600;padding:4px 12px;border-radius:999px;
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:56px 0 72px;
  background:
    radial-gradient(circle at 1px 1px, rgba(108,60,233,.10) 1px, transparent 0) 0 0/22px 22px,
    linear-gradient(180deg,#F7F5FC 0%,#EFEBFA 100%);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:var(--grad-soft);filter:blur(10px);opacity:.9;pointer-events:none;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-500);margin-bottom:20px;
}
.crumb a{color:var(--text-700);}
.crumb a:hover{color:var(--brand-500);}
.crumb span.now{color:var(--text-500);}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;line-height:1.18;letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-700);max-width:600px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-media{
  position:relative;margin:0;
  border-radius:24px;overflow:hidden;
  box-shadow:var(--shadow-2);
  aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(108,60,233,.22),rgba(255,77,141,.16));
}
@media (max-width:991px){
  .hero{padding:32px 0 48px;}
  .hero-media{margin-top:32px;aspect-ratio:16/10;}
}
@media (max-width:767px){
  .hero-actions .btn{width:100%;}
}

/* ============ 图标矩阵 ============ */
.icon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.icon-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:24px;
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.icon-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.icon-box{
  width:56px;height:56px;border-radius:16px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:21px;margin-bottom:18px;
}
.icon-card h3{font-size:19px;font-weight:700;line-height:1.4;margin-bottom:10px;}
.icon-card p{font-size:15px;color:var(--text-700);line-height:1.8;margin-bottom:16px;}
.icon-tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;padding:4px 12px;border-radius:999px;
  background:rgba(255,179,107,.18);color:#7A4413;border:1px solid rgba(255,179,107,.38);
}
@media (max-width:991px){.icon-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:767px){.icon-grid{grid-template-columns:1fr;}}

/* ============ 阶段路径 ============ */
.stage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stage-card{
  position:relative;
  background:var(--surface);
  border-radius:24px;
  padding:26px 22px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.stage-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.stage-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-soft);
  color:var(--brand-700);font-weight:800;font-size:15px;
  margin-bottom:16px;border:1px solid var(--line-strong);
}
.stage-card h3{font-size:17.5px;font-weight:700;margin-bottom:10px;}
.stage-card p{font-size:14.5px;color:var(--text-700);line-height:1.8;margin:0;}
.stage-card::after{
  content:"";position:absolute;left:22px;right:22px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--grad-brand);opacity:.85;
}
@media (max-width:991px){.stage-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575px){.stage-grid{grid-template-columns:1fr;}}

/* ============ 图文交错 ============ */
.swap-row{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  background:var(--bg-soft);
  border-radius:32px;
  padding:40px;
  margin-bottom:28px;
}
.swap-row:last-child{margin-bottom:0;}
.swap-row.reverse .swap-media{order:2;}
.swap-media{margin:0;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:16/10;}
.swap-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.swap-row:hover .swap-media img{transform:scale(1.03);}
.swap-body h3{font-size:22px;font-weight:800;line-height:1.35;margin-bottom:14px;}
.swap-body p{font-size:15.5px;color:var(--text-700);margin-bottom:16px;}
.check-list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--text-700);
  line-height:1.8;margin-bottom:8px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;width:10px;height:10px;border-radius:50%;background:var(--grad-brand);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-500);margin-top:6px;
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}
@media (max-width:991px){
  .swap-row{grid-template-columns:1fr;padding:28px;}
  .swap-row.reverse .swap-media{order:0;}
}

/* ============ 提示条 ============ */
.notice{
  display:flex;align-items:flex-start;gap:14px;
  background:var(--surface);
  border:1px solid var(--line-strong);
  border-left:4px solid var(--brand-500);
  border-radius:16px;
  padding:20px 22px;
  box-shadow:var(--shadow-1);
  margin-top:36px;
}
.notice i{color:var(--brand-500);font-size:18px;margin-top:4px;}
.notice p{margin:0;font-size:15px;color:var(--text-700);line-height:1.8;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  background:transparent;border:0;text-align:left;
  padding:20px 22px;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text-900);
}
.faq-q .faq-icon{
  margin-left:auto;flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:var(--grad-soft);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .2s ease,background .2s ease;
}
.faq-item.is-open .faq-icon{background:var(--grad-brand);color:#fff;transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a-inner{
  padding:0 22px 22px 22px;
  font-size:15.5px;color:var(--text-700);line-height:1.85;
  border-left:3px solid var(--brand-500);
  margin-left:0;
}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:var(--shadow-2);}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-900);
  border-radius:32px;
  padding:56px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-100px;width:320px;height:320px;border-radius:50%;
  background:var(--grad-brand);opacity:.28;filter:blur(20px);
}
.cta-text{position:relative;z-index:1;max-width:620px;}
.cta-text h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;margin-bottom:12px;}
.cta-text p{color:rgba(245,242,255,.72);font-size:15.5px;margin:0;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
@media (max-width:767px){
  .cta-band{padding:36px 22px;border-radius:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:var(--text-invert);
  border-radius:32px 32px 0 0;
  padding:64px 0 0;
  margin-top:88px;
}
.site-footer .brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.site-footer .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:18px;border-radius:12px;}
.site-footer .brand-name{display:block;font-size:17px;font-weight:800;color:#fff;line-height:1.4;}
.site-footer .brand-sub{display:block;font-size:12.5px;color:rgba(245,242,255,.6);}
.foot-desc{font-size:14.5px;line-height:1.85;color:rgba(245,242,255,.68);max-width:340px;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-links li{margin-bottom:10px;}
.foot-links a{color:rgba(245,242,255,.7);font-size:14.5px;}
.foot-links a:hover{color:#fff;}
.foot-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(245,242,255,.7);margin-bottom:12px;line-height:1.7;}
.foot-contact i{color:var(--accent-400);margin-top:5px;font-size:13px;}
.foot-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:rgba(245,242,255,.55);
}
@media (max-width:767px){
  .site-footer{border-radius:24px 24px 0 0;padding-top:48px;margin-top:48px;}
  .foot-desc{max-width:none;}
}

/* 空态与占位 */
.img-fallback{background:var(--bg-soft);display:flex;align-items:center;justify-content:center;color:var(--brand-500);}