/* roulang page: index */
:root{
  --ink-950:#120E1B;
  --ink-800:#221A33;
  --violet-600:#6A4FE0;
  --violet-100:#EDE8FB;
  --gold-500:#F0B44C;
  --gold-600:#D9992F;
  --aurora-500:#35B9A6;
  --paper:#FBF9F6;
  --surface:#FFFFFF;
  --line:#E7E2F0;
  --text-900:#1D1729;
  --text-600:#5B5470;
  --text-400:#8B84A0;
  --shadow-sm:0 1px 2px rgba(29,23,41,.06),0 1px 3px rgba(29,23,41,.05);
  --shadow-md:0 6px 20px -8px rgba(29,23,41,.18);
  --shadow-lg:0 24px 48px -24px rgba(29,23,41,.35);
  --radius-card:16px;
  --radius-btn:12px;
}
*,*::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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--violet-600);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--gold-600)}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;color:var(--text-900)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--aurora-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:9px;flex-shrink:0;color:var(--text-900)}
.brand:hover{color:var(--text-900)}
.brand-text{font-size:15px;font-weight:600;line-height:1;white-space:nowrap;letter-spacing:.01em}
.main-nav{display:none;align-items:center;gap:28px;margin-left:8px;flex:1}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-600);
  padding:6px 0;white-space:nowrap;transition:color .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--violet-600);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--violet-600)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-900);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:none;align-items:center;gap:8px;width:216px;height:40px;
  padding:0 12px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius-btn);transition:border-color .22s ease,box-shadow .22s ease;
}
.search-box:focus-within{border-color:var(--violet-600);box-shadow:0 0 0 3px rgba(106,79,224,.12)}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--text-900)}
.search-box input::placeholder{color:var(--text-400)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .18s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-gold{background:var(--gold-500);color:var(--ink-950);border-color:var(--gold-500)}
.btn-gold:hover{background:#F7C266;color:var(--ink-950);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-gold:active{transform:translateY(0);box-shadow:none;background:var(--gold-600)}
.btn-outline{background:var(--surface);color:var(--text-900);border-color:var(--line)}
.btn-outline:hover{border-color:var(--violet-600);color:var(--violet-600);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0);background:var(--violet-100)}
.btn-ghost-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost-dark:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost-dark:active{background:rgba(255,255,255,.14)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;
  border-radius:999px;font-size:12.5px;font-weight:500;line-height:1.6;
  background:rgba(106,79,224,.08);color:var(--violet-600);
}
.badge-soft{background:var(--violet-100);color:var(--violet-600)}
.badge-gold{background:rgba(240,180,76,.16);color:#8A5B0B}
.badge-dark{background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.16)}

/* ---------- 星点装饰 ---------- */
.stars{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.stars::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(1.2px 1.2px at 8% 18%,rgba(255,255,255,.45),transparent 60%),
    radial-gradient(1px 1px at 22% 62%,rgba(255,255,255,.32),transparent 60%),
    radial-gradient(1.4px 1.4px at 36% 28%,rgba(255,255,255,.4),transparent 60%),
    radial-gradient(1px 1px at 48% 76%,rgba(255,255,255,.28),transparent 60%),
    radial-gradient(1.2px 1.2px at 62% 14%,rgba(255,255,255,.38),transparent 60%),
    radial-gradient(1px 1px at 71% 52%,rgba(255,255,255,.3),transparent 60%),
    radial-gradient(1.4px 1.4px at 84% 34%,rgba(255,255,255,.42),transparent 60%),
    radial-gradient(1px 1px at 92% 70%,rgba(255,255,255,.26),transparent 60%),
    radial-gradient(1.2px 1.2px at 16% 88%,rgba(255,255,255,.3),transparent 60%),
    radial-gradient(1px 1px at 57% 92%,rgba(255,255,255,.24),transparent 60%);
  animation:twinkle 8s ease-in-out infinite alternate;
}
@keyframes twinkle{from{opacity:.55}to{opacity:1}}
@media(prefers-reduced-motion:reduce){.stars::before{animation:none}}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background-color:var(--ink-950);
  background-image:linear-gradient(100deg,rgba(18,14,27,.94),rgba(34,26,51,.82) 55%,rgba(18,14,27,.55)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;color:#fff;
}
.hero-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:64px;display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:minmax(0,1fr) 380px;gap:56px;padding-top:76px;padding-bottom:84px;min-height:560px;align-items:center}
}
.hero-copy{max-width:620px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  font-size:12.5px;color:rgba(255,255,255,.82);margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4.4vw,48px);line-height:1.22;font-weight:700;color:#fff;
  margin-bottom:18px;
}
.hero h1 .hl{color:var(--gold-500)}
.hero-sub{font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:28px}
@media(min-width:768px){.hero-sub{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;font-size:14px;color:rgba(255,255,255,.6)}
.hero-trust span{display:inline-flex;align-items:center;gap:10px}
.hero-trust span+span::before{content:"·";color:rgba(255,255,255,.35)}

.entry-card{
  position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:26px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
@media(max-width:1023px){.entry-card{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(255,255,255,.07)}}
.entry-card h2{font-size:18px;font-weight:600;color:#fff;margin-bottom:6px}
.entry-card p.entry-desc{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px;line-height:1.7}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:rgba(255,255,255,.7);margin-bottom:6px}
.field input,.field select{
  width:100%;height:44px;padding:0 12px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;outline:none;font-size:14px;transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder{color:rgba(255,255,255,.4)}
.field select option{color:#1D1729}
.field input:focus,.field select:focus{border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(240,180,76,.18)}
.entry-card .btn{width:100%;margin-top:6px}
.entry-note{font-size:12px;color:rgba(255,255,255,.5);line-height:1.7;margin-top:12px}

/* ---------- 快讯条 ---------- */
.newsbar{background:var(--surface);border-bottom:1px solid var(--line)}
.newsbar-inner{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;padding-top:16px;padding-bottom:16px}
.newsbar-label{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:var(--violet-600);flex-shrink:0;
}
.newsbar-label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold-500)}
.newsbar ul{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14px;color:var(--text-600)}
.newsbar li{display:inline-flex;align-items:center;gap:9px}
.newsbar li a{color:var(--text-600)}
.newsbar li a:hover{color:var(--violet-600)}

/* ---------- 通用板块 ---------- */
.section{padding-top:56px;padding-bottom:56px}
@media(min-width:1024px){.section{padding-top:96px;padding-bottom:96px}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;font-weight:600}
.section-head .head-note{font-size:14px;color:var(--text-600)}
.section-lead{font-size:15px;color:var(--text-600);max-width:640px;margin-top:10px}

/* ---------- 三步上手 ---------- */
.steps{position:relative;display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){.steps{grid-template-columns:repeat(3,1fr);gap:32px}}
.step{position:relative;padding-left:64px}
@media(min-width:1024px){.step{padding-left:0;padding-top:0}}
.step-no{
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;color:var(--violet-600);
  border:1px solid var(--violet-600);background:var(--surface);
  font-variant-numeric:tabular-nums;
}
.step.is-key .step-no{background:var(--gold-500);border-color:var(--gold-500);color:var(--ink-950)}
@media(min-width:1024px){
  .step{padding-top:0}
  .step-no{position:static;margin-bottom:18px}
  .step::before{
    content:"";position:absolute;top:22px;left:56px;right:-32px;
    border-top:1px dashed rgba(106,79,224,.4);
  }
  .step:last-child::before{display:none}
}
@media(max-width:1023px){
  .step::before{
    content:"";position:absolute;left:21px;top:52px;bottom:-28px;
    border-left:1px dashed rgba(106,79,224,.4);
  }
  .step:last-child::before{display:none}
}
.step h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:8px}
.step p{font-size:15px;line-height:1.8;color:var(--text-600)}
.step-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;margin-top:14px;color:var(--violet-600)}
.step-link:hover{color:var(--gold-600)}
.step-link svg{transition:transform .22s ease}
.step-link:hover svg{transform:translateX(3px)}

/* ---------- 能力与场景 ---------- */
.capability{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1024px){.capability{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start}}
.capability h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;font-weight:600;margin-bottom:16px}
.capability p.cap-lead{font-size:16px;line-height:1.85;color:var(--text-600);margin-bottom:22px}
.cap-list{display:grid;gap:14px}
.cap-item{
  display:flex;gap:14px;padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cap-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D9D0F2}
.cap-item .ci-icon{
  width:36px;height:36px;flex-shrink:0;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:var(--violet-100);color:var(--violet-600);
}
.cap-item h3{font-size:17px;font-weight:600;margin-bottom:4px}
.cap-item p{font-size:14.5px;line-height:1.75;color:var(--text-600)}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:1024px){.case-grid{grid-template-columns:repeat(12,1fr);gap:24px}}
.case-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.case-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--violet-100)}
.case-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.case-card:hover .thumb img{transform:scale(1.03)}
.case-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.case-body h3{font-size:19px;font-weight:600;line-height:1.45}
.case-body p{font-size:14.5px;line-height:1.75;color:var(--text-600)}
.case-metrics{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.case-metrics div{font-size:13px;color:var(--text-600)}
.case-metrics strong{display:block;font-size:20px;font-weight:700;color:var(--violet-600);font-variant-numeric:tabular-nums}
.case-card.major{grid-column:span 12}
.case-card.minor{grid-column:span 6}
@media(min-width:1024px){
  .case-card.major{grid-column:span 7}
  .case-card.minor{grid-column:span 5}
}
.case-side{display:grid;gap:20px;grid-column:span 12}
@media(min-width:1024px){.case-side{grid-column:span 5;gap:24px}}
@media(min-width:1024px){.case-card.minor{grid-column:auto}}

.stat-bar{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:32px;
  padding:28px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
}
@media(min-width:1024px){.stat-bar{grid-template-columns:repeat(4,1fr);padding:32px 8px}}
.stat{text-align:center;position:relative}
@media(min-width:1024px){.stat+.stat::before{content:"";position:absolute;left:0;top:8px;bottom:8px;border-left:1px solid var(--line)}}
.stat strong{display:block;font-size:32px;font-weight:700;line-height:1.2;color:var(--violet-600);font-variant-numeric:tabular-nums}
.stat.gold strong{color:var(--gold-600)}
.stat span{display:block;font-size:13.5px;color:var(--text-600);margin-top:6px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1024px){.faq-layout{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start}}
.faq-intro h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;font-weight:600;margin-bottom:14px}
.faq-intro p{font-size:15px;line-height:1.85;color:var(--text-600);margin-bottom:22px}
.faq-list{display:grid;gap:12px}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:#D6CCF3}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold-500);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 22px;min-height:56px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-900);line-height:1.6;
}
.faq-q .arrow{
  width:20px;height:20px;flex-shrink:0;color:var(--violet-600);
  transition:transform .22s ease;
}
.faq-item.is-open .faq-q .arrow{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .22s ease,opacity .22s ease,padding .22s ease;
  padding:0 22px;
}
.faq-item.is-open .faq-a{max-height:340px;opacity:1;padding-bottom:20px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-600)}

/* ---------- 最新信息 ---------- */
.cms-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.cms-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cms-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.cms-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;color:inherit;
  transition:transform .25s ease,box-shadow .25s ease;
}
.cms-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);color:inherit}
.cms-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--violet-100)}
.cms-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.cms-card:hover .cms-cover img{transform:scale(1.03)}
.cms-cover-ph{
  width:100%;height:100%;
  background-image:linear-gradient(135deg,rgba(106,79,224,.12),rgba(240,180,76,.16) 70%,rgba(53,185,166,.12)),
    radial-gradient(1.2px 1.2px at 24% 30%,rgba(106,79,224,.5),transparent 60%),
    radial-gradient(1.2px 1.2px at 68% 62%,rgba(240,180,76,.55),transparent 60%),
    radial-gradient(1px 1px at 46% 84%,rgba(53,185,166,.5),transparent 60%);
  background-color:#F6F2FE;
}
.cms-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.cms-body h3{
  font-size:17px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s ease;
}
.cms-card:hover .cms-body h3{color:var(--violet-600)}
.cms-body p{
  font-size:14px;line-height:1.7;color:var(--text-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--text-400)}
.cms-foot .go{color:var(--violet-600);display:inline-flex;align-items:center;gap:4px}
.cms-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:48px 24px;border:1px dashed #D6CCF3;border-radius:var(--radius-card);
  background:var(--surface);text-align:center;
}
.cms-empty svg{color:var(--violet-600)}
.cms-empty p{font-size:15px;color:var(--text-600)}

/* ---------- CTA ---------- */
.cta-wrap{padding-top:24px;padding-bottom:72px}
@media(min-width:1024px){.cta-wrap{padding-bottom:96px}}
.cta-block{
  position:relative;overflow:hidden;background:var(--ink-950);
  border-radius:20px;padding:40px 26px;color:#fff;
  display:flex;flex-direction:column;gap:26px;
}
@media(min-width:1024px){.cta-block{flex-direction:row;align-items:center;justify-content:space-between;padding:56px}}
.cta-block h2{position:relative;z-index:2;font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:600;color:#fff;margin-bottom:10px}
.cta-block p{position:relative;z-index:2;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:560px}
.cta-block .btn{position:relative;z-index:2;flex-shrink:0}
.cta-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:14px;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-950);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08);position:relative;overflow:hidden}
.footer-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:40px}}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin-bottom:14px;max-width:320px}
.footer-brand .contact{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9}
.footer-brand .contact strong{color:#fff;font-weight:600}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--gold-500)}
.footer-form{display:grid;gap:12px}
.footer-form input,.footer-form textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--text-900);outline:none;
  transition:border-color .22s ease,box-shadow .22s ease;font-size:14px;
}
.footer-form textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.7}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:var(--text-400)}
.footer-form input:focus,.footer-form textarea:focus{border-color:var(--violet-600);box-shadow:0 0 0 3px rgba(106,79,224,.12)}
.footer-form .btn{width:100%}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.45)}
.footer-bottom a:hover{color:rgba(255,255,255,.8)}

/* ---------- 移动抽屉 ---------- */
.menu-btn{
  display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text-900);
}
.menu-btn:hover{border-color:var(--violet-600);color:var(--violet-600)}
.drawer{
  position:fixed;inset:0;z-index:70;background:#fff;padding:20px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text-900);
}
.drawer-close:hover{border-color:var(--violet-600);color:var(--violet-600)}
.drawer nav{display:grid}
.drawer nav a{
  height:52px;display:flex;align-items:center;font-size:16px;font-weight:500;
  color:var(--text-900);border-bottom:1px solid var(--line);
}
.drawer nav a:hover,.drawer nav a.is-active{color:var(--violet-600)}
.drawer .drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;margin:16px 0;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--paper);
}
.drawer .drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px}
.drawer .btn{width:100%}

@media(min-width:1024px){
  .main-nav{display:flex}
  .search-box{display:flex}
  .menu-btn{display:none}
}

/* roulang page: article */
:root{
    --ink-950:#120E1B;
    --ink-800:#221A33;
    --violet-600:#6A4FE0;
    --violet-100:#EDE8FB;
    --gold-500:#F0B44C;
    --gold-600:#D9992F;
    --aurora-500:#35B9A6;
    --paper:#FBF9F6;
    --surface:#FFFFFF;
    --line:#E7E2F0;
    --text-900:#1D1729;
    --text-600:#5B5470;
    --text-400:#8B84A0;
    --radius-card:16px;
    --radius-btn:12px;
    --shadow-sm:0 1px 2px rgba(29,23,41,.06),0 1px 3px rgba(29,23,41,.05);
    --shadow-md:0 6px 20px -8px rgba(29,23,41,.18);
    --shadow-lg:0 24px 48px -24px rgba(29,23,41,.35);
  }
  *,*::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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;line-height:1.85;color:var(--text-900);background:var(--paper);
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:var(--violet-600);text-decoration:none;transition:color .2s ease;}
  a:hover{color:var(--gold-600);}
  button{font-family:inherit;}
  input,textarea,select{font-family:inherit;font-size:15px;color:var(--text-900);}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
  @media (max-width:767px){ .container{padding:0 20px;} }

  /* ---------- Header ---------- */
  .site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
  .site-header.is-scrolled{box-shadow:var(--shadow-sm);}
  .header-inner{display:flex;align-items:center;gap:24px;height:68px;}
  .brand{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto;color:var(--text-900);}
  .brand:hover{color:var(--text-900);}
  .brand-text{font-size:15.5px;font-weight:600;letter-spacing:.01em;white-space:nowrap;}
  .main-nav{display:flex;align-items:center;gap:28px;margin-left:10px;}
  .nav-link{position:relative;display:inline-block;font-size:15px;font-weight:500;color:var(--text-600);padding:6px 0;white-space:nowrap;}
  .nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--violet-600);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
  .nav-link:hover{color:var(--violet-600);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--text-900);}
  .nav-link.is-active::after{transform:scaleX(1);}
  .header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
  .nav-search{position:relative;display:flex;align-items:center;}
  .nav-search .search-icon{position:absolute;left:12px;width:15px;height:15px;color:var(--text-400);pointer-events:none;}
  .nav-search input{width:222px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--line);background:var(--paper);padding:0 14px 0 36px;font-size:13.5px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
  .nav-search input::placeholder{color:var(--text-400);}
  .nav-search input:focus{outline:none;background:#fff;border-color:var(--violet-600);box-shadow:0 0 0 3px rgba(106,79,224,.12);}
  .menu-toggle{display:none;width:42px;height:42px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--text-900);transition:border-color .2s ease,color .2s ease;}
  .menu-toggle:hover{border-color:var(--violet-600);color:var(--violet-600);}
  .menu-toggle:focus-visible{outline:2px solid var(--aurora-500);outline-offset:2px;}

  /* ---------- Buttons ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;}
  .btn:focus-visible{outline:2px solid var(--aurora-500);outline-offset:2px;}
  .btn-gold{background:var(--gold-500);color:var(--ink-950);}
  .btn-gold:hover{background:#F7C266;color:var(--ink-950);transform:translateY(-1px);box-shadow:var(--shadow-md);}
  .btn-gold:active{transform:none;box-shadow:none;}
  .btn-outline{background:#fff;border-color:var(--line);color:var(--text-900);}
  .btn-outline:hover{border-color:var(--violet-600);color:var(--violet-600);background:#fff;}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;}
  .btn-lg{height:48px;padding:0 26px;font-size:15.5px;}

  /* ---------- Drawer ---------- */
  .drawer{position:fixed;inset:0;z-index:70;background:#fff;display:none;flex-direction:column;padding:18px 20px 32px;overflow-y:auto;}
  .drawer.is-open{display:flex;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .drawer-close{width:42px;height:42px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-900);}
  .drawer-close:hover{border-color:var(--violet-600);color:var(--violet-600);}
  .drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
  .drawer-nav a{font-size:16px;font-weight:500;color:var(--text-900);line-height:52px;border-bottom:1px solid var(--line);}
  .drawer-nav a:hover{color:var(--violet-600);}
  .drawer-form{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
  .drawer-form input{height:48px;border-radius:var(--radius-btn);border:1px solid var(--line);padding:0 14px;background:#fff;}
  .drawer-form input:focus{outline:none;border-color:var(--violet-600);box-shadow:0 0 0 3px rgba(106,79,224,.12);}

  /* ---------- Breadcrumb ---------- */
  .crumb-bar{background:var(--paper);border-bottom:1px solid var(--line);}
  .crumb-inner{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--text-400);min-width:0;}
  .crumb-inner a{color:var(--text-600);}
  .crumb-inner a:hover{color:var(--violet-600);}
  .crumb-sep{color:var(--text-400);}
  .crumb-current{color:var(--text-900);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52ch;}

  /* ---------- Article head ---------- */
  .article-head{padding:44px 0 0;}
  .badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:rgba(106,79,224,.09);color:var(--violet-600);font-size:12.5px;font-weight:500;letter-spacing:.01em;}
  .article-title{font-size:clamp(27px,3.6vw,38px);line-height:1.28;font-weight:700;color:var(--text-900);letter-spacing:.01em;margin-top:16px;max-width:20ch;}
  @media (max-width:767px){ .article-title{max-width:none;} }
  .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13.5px;color:var(--text-400);}
  .meta-dot{width:3px;height:3px;border-radius:50%;background:var(--text-400);}
  .share-btn{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text-600);font-size:12.5px;cursor:pointer;transition:border-color .2s ease,color .2s ease;}
  .share-btn:hover{border-color:var(--violet-600);color:var(--violet-600);}
  .share-btn:focus-visible{outline:2px solid var(--aurora-500);outline-offset:2px;}
  .article-rule{margin-top:26px;border-top:1px solid var(--line);}

  /* ---------- Article layout ---------- */
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 272px;gap:56px;padding:34px 0 0;align-items:start;}
  @media (max-width:1023px){ .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;padding-top:26px;} }

  .article-body{max-width:760px;font-size:17px;line-height:1.95;color:var(--text-900);word-break:break-word;}
  .article-body p{margin:0 0 1.15em;}
  .article-body h2{font-size:22px;line-height:1.45;font-weight:600;color:var(--text-900);margin:1.9em 0 .75em;padding-left:14px;border-left:4px solid var(--violet-600);scroll-margin-top:96px;}
  .article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--text-900);margin:1.6em 0 .6em;scroll-margin-top:96px;}
  .article-body h4{font-size:18px;font-weight:600;margin:1.4em 0 .5em;}
  .article-body ul,.article-body ol{padding-left:1.2em;margin:0 0 1.15em;}
  .article-body ul{list-style:disc;}
  .article-body ol{list-style:decimal;}
  .article-body li{margin-bottom:.5em;}
  .article-body li::marker{color:var(--violet-600);}
  .article-body blockquote{margin:1.5em 0;padding:16px 20px;background:var(--violet-100);border-left:3px solid var(--gold-500);border-radius:0 12px 12px 0;font-size:15px;line-height:1.9;color:var(--text-600);}
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{max-width:100%;height:auto;border-radius:12px;margin:1.5em auto;}
  .article-body figure{margin:1.5em 0;}
  .article-body figcaption{text-align:center;font-size:13px;color:var(--text-400);margin-top:10px;}
  .article-body .table-wrap{width:100%;overflow-x:auto;margin:1.5em 0;border-radius:12px;border:1px solid var(--line);}
  .article-body table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px;}
  .article-body th{background:var(--violet-100);color:var(--text-900);font-weight:600;text-align:left;}
  .article-body th,.article-body td{padding:12px;border:1px solid var(--line);vertical-align:top;}
  .article-body a{color:var(--violet-600);text-decoration:underline;text-underline-offset:2px;}
  .article-body a:hover{color:var(--gold-600);}
  .article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
  .article-body code{background:var(--violet-100);color:var(--ink-800);padding:2px 6px;border-radius:6px;font-size:.9em;}
  .article-body pre{background:var(--ink-950);color:#fff;padding:18px 20px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.5em 0;}
  .article-body pre code{background:none;color:inherit;padding:0;}
  .article-body strong{font-weight:600;color:var(--text-900);}

  /* ---------- TOC ---------- */
  .toc{position:sticky;top:92px;align-self:start;border-left:1px solid var(--line);padding-left:20px;}
  @media (max-width:1023px){ .toc{position:static;border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:20px;} }
  .toc-title{font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--text-400);margin-bottom:12px;}
  .toc-list a{display:block;font-size:14px;line-height:1.65;color:var(--text-600);padding:5px 0 5px 12px;border-left:2px solid transparent;margin-left:-20px;transition:color .18s ease,border-color .18s ease;}
  .toc-list a.is-sub{padding-left:26px;font-size:13.5px;color:var(--text-400);}
  .toc-list a:hover{color:var(--violet-600);}
  .toc-list a.is-current{color:var(--violet-600);border-left-color:var(--violet-600);font-weight:500;}

  /* ---------- Article footer ---------- */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;}
  .tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--text-600);font-size:12.5px;transition:border-color .2s ease,color .2s ease;}
  .tag:hover{border-color:var(--violet-600);color:var(--violet-600);}
  .section-rule{border-top:1px solid var(--line);margin:36px 0;}

  .block-title{font-size:19px;font-weight:600;color:var(--text-900);margin-bottom:18px;}
  .rel-list{display:flex;flex-direction:column;gap:12px;}
  .rel-item{display:flex;align-items:center;gap:14px;padding:12px;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;color:var(--text-900);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
  .rel-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#DCD4F3;color:var(--text-900);}
  .rel-item img{width:96px;height:64px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
  .rel-title{font-size:15.5px;font-weight:600;line-height:1.55;color:var(--text-900);}
  .rel-item:hover .rel-title{color:var(--violet-600);}
  .rel-meta{font-size:12.5px;color:var(--text-400);margin-top:4px;}

  .post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px;}
  @media (max-width:640px){ .post-nav{grid-template-columns:1fr;} }
  .post-nav a{display:block;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;color:var(--text-900);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
  .post-nav a:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#DCD4F3;color:var(--text-900);}
  .post-nav .pn-label{font-size:12.5px;color:var(--text-400);margin-bottom:6px;}
  .post-nav .pn-title{font-size:15px;font-weight:600;line-height:1.6;}
  .post-nav a:hover .pn-title{color:var(--violet-600);}
  .post-nav .text-right{text-align:right;}

  /* ---------- CTA ---------- */
  .cta-section{padding:72px 0 80px;}
  .cta-box{position:relative;overflow:hidden;background:var(--ink-950);border:1px solid rgba(255,255,255,.10);border-radius:20px;padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;}
  @media (max-width:767px){ .cta-box{flex-direction:column;align-items:flex-start;padding:34px 24px;gap:24px;} }
  .cta-box h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:600;color:#fff;}
  .cta-box p{margin-top:10px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:52ch;}
  .cta-note{margin-top:22px;font-size:12px;color:rgba(255,255,255,.45);}
  .stars{position:absolute;inset:0;pointer-events:none;background-image:
    radial-gradient(1.5px 1.5px at 8% 22%, rgba(255,255,255,.42), transparent 60%),
    radial-gradient(1.2px 1.2px at 17% 68%, rgba(255,255,255,.30), transparent 60%),
    radial-gradient(1.5px 1.5px at 26% 14%, rgba(255,255,255,.36), transparent 60%),
    radial-gradient(1.2px 1.2px at 33% 82%, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(1.5px 1.5px at 44% 36%, rgba(255,255,255,.34), transparent 60%),
    radial-gradient(1.2px 1.2px at 52% 72%, rgba(255,255,255,.26), transparent 60%),
    radial-gradient(1.5px 1.5px at 61% 20%, rgba(255,255,255,.38), transparent 60%),
    radial-gradient(1.2px 1.2px at 69% 58%, rgba(255,255,255,.30), transparent 60%),
    radial-gradient(1.5px 1.5px at 77% 86%, rgba(255,255,255,.32), transparent 60%),
    radial-gradient(1.2px 1.2px at 84% 30%, rgba(255,255,255,.36), transparent 60%),
    radial-gradient(1.5px 1.5px at 92% 66%, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(1.2px 1.2px at 96% 12%, rgba(255,255,255,.34), transparent 60%);
  }
  .cta-box > *{position:relative;z-index:1;}
  @media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} .stars{animation:none;} }

  /* ---------- Footer ---------- */
  .site-footer{position:relative;overflow:hidden;background:var(--ink-950);border-top:1px solid rgba(255,255,255,.08);color:rgba(255,255,255,.72);}
  .footer-inner{position:relative;z-index:1;padding:56px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
  @media (max-width:1023px){ .footer-grid{grid-template-columns:1fr 1fr;gap:32px;} }
  @media (max-width:640px){ .footer-grid{grid-template-columns:1fr;gap:28px;} }
  .site-footer .brand{color:#fff;}
  .site-footer .brand:hover{color:#fff;}
  .site-footer .brand-text{color:#fff;font-size:15.5px;}
  .footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.58);max-width:36ch;}
  .contact{margin-top:16px;font-size:13px;line-height:1.9;color:rgba(255,255,255,.55);}
  .contact strong{color:rgba(255,255,255,.82);font-weight:600;}
  .footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.01em;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col ul a{font-size:13.5px;color:rgba(255,255,255,.62);}
  .footer-col ul a:hover{color:var(--gold-500);}
  .footer-form{display:flex;flex-direction:column;gap:10px;}
  .footer-form input,.footer-form textarea{width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);padding:0 14px;font-size:14px;color:var(--text-900);}
  .footer-form input{height:44px;}
  .footer-form textarea{height:82px;padding:12px 14px;resize:vertical;line-height:1.7;}
  .footer-form input::placeholder,.footer-form textarea::placeholder{color:var(--text-400);}
  .footer-form input:focus,.footer-form textarea:focus{outline:none;border-color:var(--violet-600);box-shadow:0 0 0 3px rgba(106,79,224,.12);}
  .footer-form .btn{margin-top:2px;}
  .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.45);}

  /* ---------- Empty state ---------- */
  .empty-box{border:1px dashed var(--line);border-radius:var(--radius-card);padding:48px 24px;text-align:center;background:#fff;}
  .empty-box p{margin-top:12px;color:var(--text-600);font-size:15px;}
  .empty-box .btn{margin-top:20px;}

/* roulang page: category1 */
:root{
    --ink-950:#120E1B;
    --ink-800:#221A33;
    --violet-600:#6A4FE0;
    --violet-100:#EDE8FB;
    --gold-500:#F0B44C;
    --gold-600:#D9992F;
    --aurora-500:#35B9A6;
    --paper:#FBF9F6;
    --surface:#FFFFFF;
    --line:#E7E2F0;
    --text-900:#1D1729;
    --text-600:#5B5470;
    --text-400:#8B84A0;
    --shadow-sm:0 1px 2px rgba(29,23,41,.06),0 1px 3px rgba(29,23,41,.05);
    --shadow-md:0 6px 20px -8px rgba(29,23,41,.18);
    --shadow-lg:0 24px 48px -24px rgba(29,23,41,.35);
    --radius-card:16px;
    --radius-field:12px;
  }
  *,*::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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--text-900);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  h1,h2,h3,h4{letter-spacing:.01em;font-weight:600;color:var(--text-900)}
  a{color:var(--violet-600);text-decoration:none;transition:color .2s ease}
  a:hover{color:var(--gold-600)}
  img{display:block;max-width:100%;height:auto}
  button{font:inherit;color:inherit}
  ul,ol{padding-left:1.2em}
  :focus-visible{outline:2px solid var(--aurora-500);outline-offset:2px}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){ .container{padding:0 32px} }
  .num{font-variant-numeric:tabular-nums}

  /* ---------- 头部导航 ---------- */
  .site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
  .site-header.is-scrolled{box-shadow:var(--shadow-sm)}
  .header-inner{display:flex;align-items:center;gap:20px;height:68px}
  .brand{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--text-900);letter-spacing:.01em;flex:0 0 auto}
  .brand:hover{color:var(--violet-600)}
  .brand-text{white-space:nowrap;max-width:190px;overflow:hidden;text-overflow:ellipsis}
  @media (min-width:400px){ .brand-text{max-width:none} }
  .main-nav{display:none;align-items:center;gap:28px;margin-left:8px}
  .nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text-600);padding:6px 0;white-space:nowrap}
  .nav-link:hover{color:var(--violet-600)}
  .nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--violet-600);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
  .nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--violet-600)}
  .header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
  .search{position:relative;display:none}
  .search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-400)}
  .search input{
    height:40px;width:220px;border:1px solid var(--line);border-radius:var(--radius-field);
    padding:0 12px 0 36px;background:var(--paper);font-size:14px;color:var(--text-900);
    transition:border-color .2s,box-shadow .2s,background .2s;
  }
  .search input::placeholder{color:var(--text-400)}
  .search input:focus{outline:none;background:#fff;border-color:var(--violet-600);box-shadow:0 0 0 4px rgba(106,79,224,.12)}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-field);background:#fff;cursor:pointer;color:var(--text-900);transition:border-color .2s,color .2s}
  .menu-toggle:hover{border-color:var(--violet-600);color:var(--violet-600)}
  .mobile-drawer{
    position:fixed;left:0;right:0;top:68px;bottom:0;background:#fff;z-index:60;overflow-y:auto;
    padding:8px 0 40px;opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  .mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .drawer-link{display:flex;align-items:center;height:52px;font-size:16px;color:var(--text-900);border-bottom:1px solid var(--line)}
  .drawer-link.is-active{color:var(--violet-600);font-weight:600}
  .drawer-search{display:flex;align-items:center;gap:10px;margin:16px 0 18px}
  .drawer-search input{width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-field);padding:0 14px;font-size:15px;background:var(--paper)}
  .drawer-search input:focus{outline:none;background:#fff;border-color:var(--violet-600);box-shadow:0 0 0 4px rgba(106,79,224,.12)}
  @media (min-width:1024px){
    .main-nav{display:flex}
    .search{display:block}
    .menu-toggle{display:none}
    .mobile-drawer{display:none}
  }
  @media (min-width:768px){ .header-cta{display:inline-flex} }
  .header-cta{display:none;height:40px;padding:0 18px;font-size:14px}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--radius-field);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:transform .18s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-gold{background:var(--gold-500);color:var(--ink-950)}
  .btn-gold:hover{background:#F7C266;color:var(--ink-950);transform:translateY(-1px);box-shadow:var(--shadow-md)}
  .btn-gold:active{transform:translateY(0);box-shadow:none}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--text-900)}
  .btn-ghost:hover{border-color:var(--violet-600);color:var(--violet-600)}
  .btn-dark-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
  .btn-dark-ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.45)}
  .btn-lg{height:48px;padding:0 26px}
  .btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

  /* ---------- 页头 ---------- */
  .page-head{background:var(--paper);border-bottom:1px solid var(--line);padding:34px 0 34px}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-400)}
  .breadcrumb a{color:var(--text-400)}
  .breadcrumb a:hover{color:var(--violet-600)}
  .breadcrumb .sep{color:#CFC8E0}
  .breadcrumb .current{color:var(--text-600);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .page-head-inner{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-top:14px}
  .page-head-text{max-width:700px}
  .page-head h1{font-size:clamp(26px,3.8vw,40px);line-height:1.24;font-weight:700;letter-spacing:.01em;margin-bottom:12px}
  .page-head p{font-size:15px;line-height:1.8;color:var(--text-600);margin:0}
  .page-head-cta{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
  .page-head-cta span{font-size:12.5px;color:var(--text-400)}

  /* ---------- 主体两栏 ---------- */
  .guide-layout{display:grid;grid-template-columns:1fr;gap:32px;padding-top:36px;padding-bottom:72px}
  @media (min-width:1024px){
    .guide-layout{grid-template-columns:264px minmax(0,1fr);gap:48px;padding-top:56px;padding-bottom:96px}
  }
  .aside-title{font-size:12.5px;font-weight:600;color:var(--text-400);letter-spacing:.12em;margin-bottom:12px;text-transform:uppercase}
  .anchor-list{list-style:none;margin:0 0 24px;padding:0;display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
  .anchor-list a{
    display:block;white-space:nowrap;font-size:13.5px;color:var(--text-600);
    background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;
    transition:color .2s,border-color .2s,background .2s;
  }
  .anchor-list a:hover{color:var(--violet-600);border-color:var(--violet-600)}
  .anchor-list a.is-active{color:var(--violet-600);border-color:var(--violet-600);background:var(--violet-100);font-weight:600}
  @media (min-width:1024px){
    .guide-aside-inner{position:sticky;top:96px}
    .aside-title{margin-bottom:14px}
    .anchor-list{flex-direction:column;gap:4px;overflow:visible;padding-bottom:0}
    .anchor-list a{
      background:transparent;border:0;border-left:2px solid transparent;border-radius:0 8px 8px 0;
      font-size:14px;padding:8px 12px;white-space:normal;
    }
    .anchor-list a:hover{background:var(--violet-100)}
    .anchor-list a.is-active{background:var(--violet-100);border-left-color:var(--violet-600)}
  }
  .aside-card{
    display:none;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-sm);
  }
  .aside-card h3{font-size:15px;margin-bottom:8px}
  .aside-card p{font-size:13.5px;line-height:1.75;color:var(--text-600);margin-bottom:14px}
  .aside-card .btn{width:100%;height:40px;font-size:14px}
  @media (min-width:1024px){ .aside-card{display:block} }

  /* ---------- 内容板块 ---------- */
  .block{margin-bottom:52px}
  .block:last-child{margin-bottom:0}
  .block-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:18px}
  .block h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:600}
  .block-head .hint{font-size:13.5px;color:var(--text-400)}
  .block-lead{font-size:15.5px;line-height:1.85;color:var(--text-600);max-width:720px;margin-bottom:24px}

  /* 核验要点列表 */
  .check-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
  .check-list li{
    display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:18px 20px;font-size:15px;line-height:1.8;color:var(--text-600);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .check-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D9D1EC}
  .check-list strong{color:var(--text-900);font-weight:600}
  .check-list .dot{flex:0 0 auto;width:22px;height:22px;border-radius:999px;background:var(--violet-100);color:var(--violet-600);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:4px}
  .tip-line{
    display:flex;gap:10px;align-items:flex-start;margin-top:18px;padding:14px 16px;
    background:var(--violet-100);border-left:3px solid var(--gold-500);border-radius:10px;
    font-size:14px;line-height:1.75;color:var(--text-600);
  }
  .tip-line svg{flex:0 0 auto;margin-top:3px;color:var(--gold-600)}

  /* 步骤 */
  .steps{display:flex;flex-direction:column;gap:18px}
  .step{
    display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .step:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D9D1EC}
  .step-num{
    width:44px;height:44px;border-radius:999px;display:flex;align-items:center;justify-content:center;
    border:1px solid var(--violet-600);color:var(--violet-600);background:#fff;
    font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
  }
  .step.is-key .step-num{background:var(--gold-500);border-color:var(--gold-500);color:var(--ink-950)}
  .step h3{font-size:18px;margin-bottom:8px;line-height:1.5}
  .step p{font-size:15px;line-height:1.85;color:var(--text-600);margin:0}
  .step-note{
    margin-top:14px;background:var(--paper);border:1px dashed #D9D1EC;border-radius:10px;
    padding:10px 14px;font-size:13.5px;line-height:1.7;color:var(--text-600);
  }
  .step-note b{color:var(--violet-600);font-weight:600}

  /* 资料清单 */
  .prep-grid{display:grid;gap:24px;align-items:start}
  @media (min-width:1024px){ .prep-grid{grid-template-columns:5fr 7fr} }
  .prep-figure{margin:0;border-radius:14px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
  .prep-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .prep-figure figcaption{font-size:13px;color:var(--text-400);padding:12px 16px;border-top:1px solid var(--line);line-height:1.6}
  .prep-cards{display:grid;gap:16px}
  @media (min-width:640px){ .prep-cards{grid-template-columns:1fr 1fr} }
  .prep-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;transition:transform .22s ease,box-shadow .22s ease}
  .prep-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
  .prep-card h3{font-size:16px;display:flex;align-items:center;gap:8px;margin-bottom:6px}
  .prep-card .tag{font-size:11.5px;font-weight:600;color:var(--violet-600);background:var(--violet-100);border-radius:999px;padding:2px 9px}
  .prep-card .tag.must{color:#8A5B00;background:#FDF1DA}
  .prep-card ul{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
  .prep-card li{display:flex;gap:9px;font-size:14.5px;line-height:1.7;color:var(--text-600)}
  .prep-card li svg{flex:0 0 auto;margin-top:4px;color:var(--aurora-500)}

  /* 指标 */
  .metrics{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;
    background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  }
  @media (min-width:768px){ .metrics{grid-template-columns:repeat(4,minmax(0,1fr))} }
  .metric{background:#fff;padding:24px 16px;text-align:center}
  .metric-num{font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--violet-600);line-height:1.15;font-variant-numeric:tabular-nums}
  .metric:nth-child(3) .metric-num{color:var(--gold-600)}
  .metric-label{font-size:13.5px;color:var(--text-600);line-height:1.6;margin-top:8px}

  /* 卡点 */
  .pitfalls{display:grid;gap:16px}
  @media (min-width:768px){ .pitfalls{grid-template-columns:1fr 1fr} }
  .pitfall{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .pitfall:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D9D1EC}
  .pitfall h3{font-size:16.5px;line-height:1.55;display:flex;gap:10px;align-items:flex-start;margin-bottom:10px}
  .pitfall .idx{
    flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--violet-100);color:var(--violet-600);
    display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;margin-top:3px;
  }
  .pitfall p{font-size:14.5px;line-height:1.8;color:var(--text-600);margin:0}
  .pitfall p b{color:var(--text-900);font-weight:600}

  /* CTA 深色条 */
  .cta-wrap{margin-top:8px}
  .cta-band{
    position:relative;overflow:hidden;background:var(--ink-950);color:#fff;
    border-radius:20px;padding:40px 26px;
  }
  @media (min-width:768px){ .cta-band{padding:52px 48px} }
  .cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
  .cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:10px}
  .cta-inner p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.8;max-width:560px;margin:0}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  .cta-note{position:relative;z-index:1;margin-top:22px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}
  .stars{
    position:absolute;inset:0;pointer-events:none;opacity:.7;
    background-image:
      radial-gradient(1.5px 1.5px at 12% 24%, rgba(255,255,255,.45), transparent 60%),
      radial-gradient(1.2px 1.2px at 28% 68%, rgba(255,255,255,.35), transparent 60%),
      radial-gradient(1.4px 1.4px at 44% 18%, rgba(255,255,255,.4), transparent 60%),
      radial-gradient(1.2px 1.2px at 61% 74%, rgba(255,255,255,.3), transparent 60%),
      radial-gradient(1.5px 1.5px at 76% 32%, rgba(255,255,255,.42), transparent 60%),
      radial-gradient(1.2px 1.2px at 88% 62%, rgba(255,255,255,.32), transparent 60%),
      radial-gradient(1.3px 1.3px at 7% 84%, rgba(255,255,255,.3), transparent 60%),
      radial-gradient(1.2px 1.2px at 53% 44%, rgba(255,255,255,.26), transparent 60%);
    animation:twinkle 8s ease-in-out infinite;
  }
  @keyframes twinkle{0%,100%{opacity:.72}50%{opacity:.45}}
  @media (prefers-reduced-motion:reduce){ .stars{animation:none} *{scroll-behavior:auto} }

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;overflow:hidden;background:var(--ink-950);color:rgba(255,255,255,.75);
    border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0;margin-top:72px;
  }
  .footer-inner{position:relative;z-index:1}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
  @media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:32px} }
  .footer-brand .brand{color:#fff}
  .footer-brand .brand:hover{color:var(--gold-500)}
  .footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:16px 0 18px;max-width:330px}
  .contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:rgba(255,255,255,.55)}
  .contact strong{color:var(--gold-500);font-weight:600}
  .footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px}
  .footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
  .footer-col a:hover{color:var(--gold-500)}
  .footer-form{display:flex;flex-direction:column;gap:10px}
  .footer-form input,.footer-form textarea{
    width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-field);
    font-size:14px;color:var(--text-900);height:46px;padding:0 14px;
    transition:border-color .2s,box-shadow .2s;
  }
  .footer-form textarea{height:auto;min-height:84px;padding:12px 14px;line-height:1.7;resize:vertical}
  .footer-form input::placeholder,.footer-form textarea::placeholder{color:var(--text-400)}
  .footer-form input:focus,.footer-form textarea:focus{outline:none;border-color:var(--violet-600);box-shadow:0 0 0 4px rgba(106,79,224,.12)}
  .footer-form .btn{width:100%}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
    margin-top:48px;padding:20px 0 24px;border-top:1px solid rgba(255,255,255,.1);
    font-size:13px;color:rgba(255,255,255,.45);line-height:1.7;
  }
  @media (min-width:1024px){ .site-footer{padding-top:72px} .footer-bottom{margin-top:56px} }

/* roulang page: category2 */
:root{
  --ink-950:#120E1B;
  --ink-800:#221A33;
  --violet-600:#6A4FE0;
  --violet-700:#553CD1;
  --violet-100:#EDE8FB;
  --gold-500:#F0B44C;
  --gold-600:#D9992F;
  --gold-300:#F7C266;
  --aurora-500:#35B9A6;
  --paper:#FBF9F6;
  --surface:#FFFFFF;
  --line:#E7E2F0;
  --text-900:#1D1729;
  --text-600:#5B5470;
  --text-400:#8B84A0;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow-sm:0 1px 2px rgba(29,23,41,.06),0 1px 3px rgba(29,23,41,.05);
  --shadow-md:0 6px 20px -8px rgba(29,23,41,.18);
  --shadow-lg:0 24px 48px -24px rgba(29,23,41,.35);
}
*,*::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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--violet-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--gold-600)}
button{font-family:inherit;cursor:pointer}
input,textarea,button{font-family:inherit;font-size:15px}
h1,h2,h3,h4{margin:0;color:var(--text-900);letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--aurora-500);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0}
.brand-text{
  font-size:15.5px;font-weight:600;color:var(--text-900);
  letter-spacing:.01em;white-space:nowrap;
  max-width:230px;overflow:hidden;text-overflow:ellipsis;
}
.brand:hover .brand-text{color:var(--violet-600)}
.main-nav{display:none;align-items:center;gap:28px;margin-left:8px}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--text-600);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--violet-600);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--violet-600)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-900);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{display:none;position:relative}
.nav-search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--text-400)}
.nav-search input{
  width:210px;height:40px;
  padding:0 14px 0 34px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--paper);color:var(--text-900);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--text-400)}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--violet-600);
  box-shadow:0 0 0 3px rgba(106,79,224,.12);
}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--text-900);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--violet-600);color:var(--violet-600)}
@media (min-width:1024px){
  .main-nav{display:flex}
  .nav-search{display:block}
  .nav-toggle{display:none}
}
@media (min-width:768px) and (max-width:1023px){
  .nav-toggle{display:inline-flex}
}
@media (max-width:767px){
  .nav-toggle{display:inline-flex}
  .header-actions .btn-sm{display:none}
}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:60;display:none;
}
.mobile-drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(18,14,27,.42)}
.drawer-panel{
  position:relative;background:#fff;height:100%;width:100%;
  display:flex;flex-direction:column;overflow-y:auto;
  padding:18px 20px 32px;
  animation:drawerIn .22s ease;
}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--text-900);display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--violet-600);color:var(--violet-600)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-nav a{
  font-size:16px;line-height:52px;color:var(--text-900);font-weight:500;
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--violet-600);font-weight:600}
.drawer-search{margin-top:20px;position:relative}
.drawer-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-400)}
.drawer-search input{
  width:100%;height:48px;padding:0 14px 0 36px;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--paper);
}
.drawer-search input:focus{outline:none;border-color:var(--violet-600);background:#fff;box-shadow:0 0 0 3px rgba(106,79,224,.12)}
.drawer-cta{margin-top:16px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn-lg{height:48px;padding:0 28px;font-size:16px}
.btn-gold{
  background:var(--gold-500);color:var(--ink-950);
  box-shadow:0 1px 2px rgba(29,23,41,.08);
}
.btn-gold:hover{background:var(--gold-300);color:var(--ink-950);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-gold:active{transform:translateY(0);background:var(--gold-600);box-shadow:none}
.btn-ghost{
  background:#fff;color:var(--text-900);border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--violet-600);color:var(--violet-600);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-ghost:active{transform:translateY(0);box-shadow:none}
.btn-outline-light{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.28);
}
.btn-outline-light:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5)}

/* ============ 面包屑 ============ */
.breadcrumb{background:var(--paper);border-bottom:1px solid var(--line)}
.breadcrumb-inner{
  display:flex;align-items:center;gap:8px;
  padding:14px 0;font-size:13px;color:var(--text-400);
}
.breadcrumb-inner a{color:var(--text-600)}
.breadcrumb-inner a:hover{color:var(--violet-600)}
.breadcrumb-inner .sep{color:var(--text-400);opacity:.7}
.breadcrumb-inner .current{color:var(--text-900);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 分类页头 ============ */
.page-head{background:var(--paper);border-bottom:1px solid var(--line);padding:44px 0 40px}
.page-head-inner{display:flex;flex-direction:column;gap:22px}
.page-head h1{
  font-size:clamp(28px,3.6vw,38px);
  line-height:1.28;font-weight:700;letter-spacing:.01em;
  max-width:760px;
}
.page-head h1 em{font-style:normal;color:var(--violet-600)}
.page-head .lede{
  margin-top:14px;max-width:680px;
  font-size:15px;line-height:1.8;color:var(--text-600);
}
.page-head .head-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.head-meta{font-size:13px;color:var(--text-400)}
@media (min-width:900px){
  .page-head-inner{flex-direction:row;align-items:flex-end;justify-content:space-between}
  .page-head .head-actions{flex-shrink:0;padding-bottom:6px}
}

/* ============ 筛选徽章 ============ */
.filter-bar{padding:28px 0 0}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.chip{
  display:inline-flex;align-items:center;
  height:34px;padding:0 15px;
  border-radius:999px;
  font-size:13px;font-weight:500;
  color:var(--text-600);background:#fff;border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.chip:hover{color:var(--violet-600);border-color:var(--violet-600)}
.chip.is-on{background:var(--violet-100);border-color:transparent;color:var(--violet-600);font-weight:600}
.chip-note{font-size:13px;color:var(--text-400);margin-left:2px}

/* ============ 案例墙 ============ */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.6vw,32px);line-height:1.3;font-weight:600}
.section-head p{font-size:14px;color:var(--text-600);max-width:520px}

.case-wall{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){
  .case-wall{grid-template-columns:repeat(12,1fr)}
  .case-card.is-wide{grid-column:span 7}
  .case-card.is-narrow{grid-column:span 5}
  .case-card.is-wide .case-media{aspect-ratio:16/8.4}
}
.case-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#DAD2EE}
.case-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--violet-100)}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,14,27,0) 55%,rgba(18,14,27,.35) 100%);
}
.case-badge{
  position:absolute;left:16px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:rgba(255,255,255,.94);
  font-size:12px;font-weight:600;color:var(--violet-600);
  letter-spacing:.02em;
}
.case-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:14px;flex:1}
.case-body h3{font-size:19px;line-height:1.5;font-weight:600}
.case-body .desc{font-size:14.5px;line-height:1.8;color:var(--text-600)}
.case-metrics{
  display:flex;flex-wrap:wrap;gap:10px 28px;
  padding-top:16px;margin-top:auto;border-top:1px solid var(--line);
}
.case-metrics .m{display:flex;flex-direction:column;gap:2px}
.case-metrics .m b{font-size:20px;font-weight:700;color:var(--violet-600);font-variant-numeric:tabular-nums;line-height:1.3}
.case-metrics .m span{font-size:12.5px;color:var(--text-400)}
.case-card.is-narrow .case-body h3{font-size:18px}

/* ============ 指标条 ============ */
.stat-band{background:var(--ink-950);border-radius:20px;position:relative;overflow:hidden;padding:44px 28px}
@media (min-width:768px){.stat-band{padding:48px 40px}}
.stat-band .stars{position:absolute;inset:0;pointer-events:none;opacity:.55}
.stat-grid{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
@media (min-width:900px){.stat-grid{grid-template-columns:repeat(4,1fr);gap:0}}
.stat-item{padding:0}
@media (min-width:900px){
  .stat-item{padding:0 26px;border-left:1px solid rgba(255,255,255,.1)}
  .stat-item:first-child{border-left:0;padding-left:0}
}
.stat-item b{
  display:block;font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.2;
  color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.stat-item b i{font-style:normal;color:var(--gold-500)}
.stat-item span{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.6}

/* ============ 数据口径说明 ============ */
.notes-wrap{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
@media (min-width:1024px){.notes-wrap{grid-template-columns:4fr 8fr;gap:48px}}
.notes-aside h2{font-size:clamp(23px,2.6vw,30px);line-height:1.32;font-weight:600}
.notes-aside p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text-600)}
.notes-aside .btn{margin-top:24px}
.note-list{display:flex;flex-direction:column;gap:16px}
.note-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:22px 24px;display:flex;gap:18px;align-items:flex-start;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.note-item:hover{border-color:#DAD2EE;box-shadow:var(--shadow-sm)}
.note-item .idx{
  flex-shrink:0;width:34px;height:34px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(106,79,224,.35);color:var(--violet-600);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.note-item h3{font-size:16.5px;font-weight:600;line-height:1.5}
.note-item p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--text-600)}

/* ============ FAQ ============ */
.faq-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-layout{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){.faq-layout{grid-template-columns:3fr 7fr;gap:56px}}
.faq-aside h2{font-size:clamp(23px,2.6vw,30px);line-height:1.32;font-weight:600}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text-600)}
.faq-aside .btn{margin-top:22px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
  position:relative;overflow:hidden;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--gold-500);transform:scaleY(0);transform-origin:top;
  transition:transform .22s ease;
}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-item.is-open{border-color:#DAD2EE;box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;
  padding:16px 20px;min-height:56px;
  font-size:16px;font-weight:600;color:var(--text-900);line-height:1.55;
}
.faq-q:hover{color:var(--violet-600)}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;position:relative;color:var(--violet-600);
  transition:transform .22s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{padding:0 20px 20px;font-size:14.5px;line-height:1.85;color:var(--text-600)}

/* ============ CTA ============ */
.cta-section{padding:64px 0}
@media (min-width:1024px){.cta-section{padding:88px 0}}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-950);
  border-radius:20px;
  padding:44px 28px;
}
@media (min-width:768px){.cta-band{padding:52px 52px}}
.cta-band .stars{position:absolute;inset:0;pointer-events:none;opacity:.6}
.cta-inner{position:relative;display:flex;flex-direction:column;gap:26px}
@media (min-width:900px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}}
.cta-inner h2{color:#fff;font-size:clamp(23px,2.7vw,30px);line-height:1.34;font-weight:600;max-width:560px}
.cta-inner p{margin-top:12px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:540px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}
.cta-note{margin-top:18px;font-size:12px;color:rgba(255,255,255,.45)}

.stars{
  background-image:
    radial-gradient(1.5px 1.5px at 12% 22%,rgba(255,255,255,.5),transparent 100%),
    radial-gradient(1px 1px at 28% 68%,rgba(255,255,255,.36),transparent 100%),
    radial-gradient(1.5px 1.5px at 44% 14%,rgba(255,255,255,.42),transparent 100%),
    radial-gradient(1px 1px at 58% 78%,rgba(255,255,255,.3),transparent 100%),
    radial-gradient(1.5px 1.5px at 71% 32%,rgba(255,255,255,.45),transparent 100%),
    radial-gradient(1px 1px at 84% 62%,rgba(255,255,255,.32),transparent 100%),
    radial-gradient(1.5px 1.5px at 93% 16%,rgba(255,255,255,.4),transparent 100%),
    radial-gradient(1px 1px at 6% 86%,rgba(255,255,255,.28),transparent 100%);
  background-repeat:no-repeat;
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--ink-950);
  border-top:1px solid rgba(255,255,255,.08);
  color:rgba(255,255,255,.72);
  padding:56px 0 26px;
}
.site-footer .stars{position:absolute;inset:0;pointer-events:none;opacity:.5}
.footer-inner{position:relative}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:40px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:44px}}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand:hover .brand-text{color:var(--gold-500)}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:330px}
.footer-brand .contact{margin-top:18px;font-size:13px;line-height:1.95;color:rgba(255,255,255,.5)}
.footer-brand .contact strong{color:rgba(255,255,255,.8);font-weight:600}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:13.5px;color:rgba(255,255,255,.62)}
.footer-col ul a:hover{color:var(--gold-500)}
.footer-form{display:flex;flex-direction:column;gap:10px}
.footer-form input,.footer-form textarea{
  width:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-btn);color:var(--text-900);
  padding:0 14px;height:48px;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form textarea{height:76px;padding:12px 14px;resize:vertical;line-height:1.7}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:var(--text-400)}
.footer-form input:focus,.footer-form textarea:focus{
  outline:none;border-color:var(--violet-600);box-shadow:0 0 0 3px rgba(106,79,224,.12);
}
.footer-form .btn{width:100%;margin-top:4px}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;gap:8px;
  font-size:13px;color:rgba(255,255,255,.45);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
    --ink-950:#120E1B;
    --ink-800:#221A33;
    --violet-600:#6A4FE0;
    --violet-100:#EDE8FB;
    --gold-500:#F0B44C;
    --gold-600:#D9992F;
    --aurora-500:#35B9A6;
    --paper:#FBF9F6;
    --surface:#FFFFFF;
    --line:#E7E2F0;
    --text-900:#1D1729;
    --text-600:#5B5470;
    --text-400:#8B84A0;
    --r-card:16px;
    --r-img:14px;
    --r-btn:12px;
    --shadow-sm:0 1px 2px rgba(29,23,41,.06),0 1px 3px rgba(29,23,41,.05);
    --shadow-md:0 6px 20px -8px rgba(29,23,41,.18);
    --shadow-lg:0 24px 48px -24px rgba(29,23,41,.35);
  }

  *,*::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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--paper);
    color:var(--text-900);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:var(--violet-600);text-decoration:none;text-underline-offset:3px;transition:color .2s ease}
  a:hover{color:var(--gold-600)}
  button{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--aurora-500);outline-offset:2px;border-radius:4px}
  .num{font-variant-numeric:tabular-nums}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}

  /* ---------- 按钮 / 徽章 / 标签 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;line-height:1;cursor:pointer;
    border:1px solid transparent;white-space:nowrap;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-sm{height:40px;padding:0 16px;font-size:14px}
  .btn-lg{height:48px;padding:0 26px;font-size:16px}
  .btn-gold{background:var(--gold-500);color:var(--ink-950);box-shadow:var(--shadow-sm)}
  .btn-gold:hover{background:#F7C266;color:var(--ink-950);transform:translateY(-1px);box-shadow:var(--shadow-md)}
  .btn-gold:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
  .btn-line{background:var(--surface);border-color:var(--line);color:var(--text-900)}
  .btn-line:hover{border-color:var(--violet-600);color:var(--violet-600);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
  .btn-line:active{transform:translateY(0)}
  .btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
  .btn-ghost-light:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5)}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;
    background:rgba(106,79,224,.09);color:var(--violet-600);
    font-size:12.5px;font-weight:600;letter-spacing:.02em;
  }
  .badge-soft{background:rgba(240,180,76,.16);color:#8A5F12}
  .chip{
    display:inline-flex;align-items:center;
    padding:5px 12px;border-radius:999px;
    background:var(--violet-100);color:var(--violet-600);
    font-size:13px;font-weight:500;
    transition:background-color .2s ease,color .2s ease,transform .2s ease;
  }
  .chip:hover{background:var(--gold-500);color:var(--ink-950);transform:translateY(-1px)}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-sm)}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
  .brand{display:inline-flex;align-items:center;gap:9px;color:var(--text-900);font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;min-width:0}
  .brand:hover{color:var(--violet-600)}
  .brand-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .main-nav{display:flex;align-items:center;gap:28px}
  .nav-link{
    position:relative;display:inline-block;padding:6px 0;
    font-size:15px;font-weight:500;color:var(--text-600);
    transition:color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:var(--violet-600);transform:scaleX(0);transform-origin:left center;
    transition:transform .22s ease;
  }
  .nav-link:hover{color:var(--violet-600)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--violet-600);font-weight:600}
  .nav-link.is-active::after{transform:scaleX(1)}
  .header-tools{display:flex;align-items:center;gap:12px}
  .header-search{position:relative;display:flex;align-items:center}
  .header-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--text-400);pointer-events:none}
  .header-search input{
    width:220px;height:38px;padding:0 12px 0 34px;
    border:1px solid var(--line);border-radius:10px;
    background:var(--paper);color:var(--text-900);font-size:14px;
    transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
  }
  .header-search input::placeholder{color:var(--text-400)}
  .header-search input:focus{
    outline:none;background:#fff;border-color:var(--violet-600);
    box-shadow:0 0 0 3px rgba(106,79,224,.12);
  }
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
    background:#fff;cursor:pointer;transition:border-color .2s ease,color .2s ease;
  }
  .nav-toggle:hover{border-color:var(--violet-600);color:var(--violet-600)}

  .mobile-drawer{
    position:fixed;top:0;right:0;bottom:0;z-index:80;
    width:min(360px,86vw);background:#fff;
    padding:22px 20px 32px;overflow-y:auto;
    box-shadow:-18px 0 48px -24px rgba(29,23,41,.35);
    transform:translateX(102%);
    transition:transform .28s ease;
  }
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
  .drawer-close{
    display:inline-flex;align-items:center;justify-content:center;
    width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;
  }
  .drawer-close:hover{border-color:var(--violet-600);color:var(--violet-600)}
  .drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
  .drawer-nav a{
    font-size:16px;font-weight:500;color:var(--text-900);
    padding:14px 2px;border-bottom:1px solid var(--line);line-height:1.5;
  }
  .drawer-nav a:hover{color:var(--violet-600)}
  .drawer-nav a.is-active{color:var(--violet-600);font-weight:600}
  .drawer-search{position:relative;margin:20px 0 16px}
  .drawer-search input{
    width:100%;height:44px;padding:0 12px;border:1px solid var(--line);
    border-radius:10px;background:var(--paper);font-size:15px;
  }
  .drawer-search input:focus{outline:none;border-color:var(--violet-600);box-shadow:0 0 0 3px rgba(106,79,224,.12)}
  .drawer-note{font-size:13px;color:var(--text-400);line-height:1.7;margin-top:18px}
  .drawer-mask{
    position:fixed;inset:0;z-index:70;background:rgba(18,14,27,.5);
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{background:var(--paper);border-bottom:1px solid var(--line)}
  .breadcrumb-inner{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    padding-top:13px;padding-bottom:13px;
    font-size:13px;color:var(--text-400);
  }
  .breadcrumb-inner a{color:var(--text-600)}
  .breadcrumb-inner a:hover{color:var(--violet-600)}
  .breadcrumb-sep{color:#C6BFD8}
  .breadcrumb-current{color:var(--text-900);font-weight:500}

  /* ---------- 页头 ---------- */
  .page-head{background:var(--paper);padding:34px 0 40px;border-bottom:1px solid var(--line)}
  .page-head-grid{display:grid;gap:26px;align-items:end}
  @media (min-width:900px){.page-head-grid{grid-template-columns:minmax(0,1fr) auto;gap:40px}}
  .page-head h1{
    font-size:clamp(28px,4.2vw,40px);line-height:1.22;font-weight:700;
    letter-spacing:.01em;margin:14px 0 14px;color:var(--text-900);
  }
  .page-head p{font-size:15px;line-height:1.85;color:var(--text-600);max-width:640px}
  .page-head-actions{display:flex;flex-wrap:wrap;gap:12px}

  /* ---------- 搜索条 ---------- */
  .search-section{padding:26px 0 0}
  .search-strip{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:18px 20px;box-shadow:var(--shadow-sm);
    display:grid;gap:14px;
  }
  @media (min-width:900px){.search-strip{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:center;gap:24px}}
  .strip-form{position:relative;display:flex;align-items:center;gap:10px}
  .strip-icon{position:absolute;left:14px;width:18px;height:18px;color:var(--text-400);pointer-events:none}
  .strip-input{
    flex:1 1 auto;min-width:0;height:48px;padding:0 14px 0 42px;
    border:1px solid var(--line);border-radius:var(--r-btn);
    background:var(--paper);font-size:15px;color:var(--text-900);
    transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
  }
  .strip-input::placeholder{color:var(--text-400)}
  .strip-input:focus{outline:none;background:#fff;border-color:var(--violet-600);box-shadow:0 0 0 3px rgba(106,79,224,.12)}
  .strip-hints{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
  .hint-label{font-size:13px;color:var(--text-400)}

  /* ---------- 通用板块 ---------- */
  .section{padding:clamp(52px,7vw,92px) 0}
  .section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-head{display:grid;gap:12px;margin-bottom:32px}
  @media (min-width:900px){.section-head{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:32px}}
  .section-head h2{
    font-size:clamp(23px,2.8vw,34px);line-height:1.3;font-weight:600;
    letter-spacing:.01em;margin-top:12px;
  }
  .section-note{font-size:14px;line-height:1.8;color:var(--text-600);max-width:520px}

  /* ---------- FAQ 主体 ---------- */
  .answer-grid{display:grid;gap:32px}
  @media (min-width:1024px){.answer-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:36px}}
  .faq-list{display:flex;flex-direction:column;gap:12px}
  .faq-item{
    position:relative;background:var(--surface);
    border:1px solid var(--line);border-radius:12px;
    overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
  }
  .faq-item:hover{border-color:#D6CDEB;box-shadow:var(--shadow-sm)}
  .faq-item.is-open{border-color:#D6CDEB;box-shadow:var(--shadow-sm)}
  .faq-item.is-open::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold-500);
  }
  .faq-btn{
    width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:16px 20px;background:none;border:0;text-align:left;cursor:pointer;
    font-size:16px;font-weight:600;line-height:1.55;color:var(--text-900);
    transition:color .2s ease;
  }
  .faq-btn:hover{color:var(--violet-600)}
  .faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px;transition:transform .22s ease}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--violet-600);border-radius:2px;
    transition:transform .22s ease,opacity .22s ease;
  }
  .faq-icon::before{left:0;top:7px;width:16px;height:2px}
  .faq-icon::after{left:7px;top:0;width:2px;height:16px}
  .faq-btn[aria-expanded="true"] .faq-icon::after{transform:rotate(90deg);opacity:0}
  .faq-panel{max-height:0;overflow:hidden;transition:max-height .24s ease}
  .faq-panel.is-open{max-height:620px}
  .faq-panel p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-600)}
  .faq-panel p + p{padding-top:0}

  /* ---------- 资讯速览侧栏 ---------- */
  .side-panel{display:flex;flex-direction:column;gap:20px}
  .side-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:22px;box-shadow:var(--shadow-sm);
  }
  .side-card h2{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:4px}
  .side-card .side-sub{font-size:13px;color:var(--text-400);margin-bottom:16px}
  .info-list{display:flex;flex-direction:column;gap:8px}
  .info-item{
    display:flex;gap:12px;align-items:flex-start;
    padding:12px 10px;border-radius:12px;
    transition:background-color .2s ease,transform .2s ease;
  }
  .info-item:hover{background:var(--paper);transform:translateY(-2px)}
  .info-thumb{
    flex:0 0 84px;width:84px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:var(--violet-100);
  }
  .info-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
  .info-item:hover .info-thumb img{transform:scale(1.03)}
  .info-body{min-width:0}
  .info-body h3{
    font-size:14.5px;font-weight:600;line-height:1.55;color:var(--text-900);
    margin:6px 0 6px;transition:color .2s ease;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .info-item:hover .info-body h3{color:var(--violet-600)}
  .info-meta{font-size:12.5px;color:var(--text-400)}
  .side-cta{
    background:var(--ink-950);border-radius:var(--r-card);padding:24px;
    color:#fff;position:relative;overflow:hidden;
  }
  .side-cta h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;position:relative}
  .side-cta p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.68);margin-bottom:16px;position:relative}
  .side-cta .btn{position:relative;width:100%}

  /* ---------- 数据条 ---------- */
  .stats-bar{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--shadow-sm);overflow:hidden;
  }
  @media (min-width:900px){.stats-bar{grid-template-columns:repeat(4,minmax(0,1fr))}}
  .stat{padding:24px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
  @media (min-width:900px){
    .stat{border-bottom:0;border-right:1px solid var(--line)}
    .stat:nth-child(2n){border-right:1px solid var(--line)}
    .stat:last-child{border-right:0}
  }
  .stat strong{
    display:block;font-size:clamp(28px,3.4vw,38px);font-weight:700;line-height:1.15;
    color:var(--violet-600);font-variant-numeric:tabular-nums;letter-spacing:.01em;
  }
  .stat:nth-child(2) strong{color:var(--gold-600)}
  .stat span{display:block;margin-top:8px;font-size:13.5px;line-height:1.65;color:var(--text-600)}

  /* ---------- 支持渠道（左图右文） ---------- */
  .support-grid{display:grid;gap:28px;align-items:center}
  @media (min-width:960px){.support-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px}}
  .support-media{
    margin:0;border-radius:var(--r-img);overflow:hidden;
    aspect-ratio:16/11;background:var(--violet-100);box-shadow:var(--shadow-md);
  }
  .support-media img{width:100%;height:100%;object-fit:cover}
  .support-body h2{font-size:clamp(23px,2.8vw,32px);line-height:1.32;font-weight:600;margin:12px 0 12px}
  .support-body > p{font-size:15.5px;line-height:1.85;color:var(--text-600);margin-bottom:22px;max-width:560px}
  .support-list{display:flex;flex-direction:column;gap:16px;margin-bottom:26px}
  .support-list li{display:flex;gap:14px;align-items:flex-start}
  .dot{
    flex:0 0 10px;width:10px;height:10px;margin-top:9px;border-radius:999px;
    background:var(--aurora-500);box-shadow:0 0 0 4px rgba(53,185,166,.14);
  }
  .support-list h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:2px}
  .support-list p{font-size:14px;line-height:1.75;color:var(--text-600)}

  /* ---------- CTA 条 ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--ink-950);border-radius:20px;
    padding:clamp(30px,5vw,52px);
    color:#fff;
  }
  .cta-inner{position:relative;display:grid;gap:24px;align-items:center}
  @media (min-width:900px){.cta-inner{grid-template-columns:minmax(0,1fr) auto}}
  .cta-band h2{font-size:clamp(22px,2.8vw,30px);line-height:1.32;font-weight:600;margin-bottom:10px}
  .cta-band p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  .cta-foot{
    position:relative;margin-top:26px;padding-top:18px;
    border-top:1px solid rgba(255,255,255,.1);
    font-size:12px;color:rgba(255,255,255,.5);
  }
  .stars{
    position:absolute;inset:0;pointer-events:none;opacity:.9;
    background-image:
      radial-gradient(1.4px 1.4px at 12% 24%,rgba(255,255,255,.42) 50%,transparent 51%),
      radial-gradient(1.2px 1.2px at 78% 18%,rgba(255,255,255,.34) 50%,transparent 51%),
      radial-gradient(1.5px 1.5px at 36% 72%,rgba(255,255,255,.30) 50%,transparent 51%),
      radial-gradient(1.2px 1.2px at 64% 58%,rgba(240,180,76,.38) 50%,transparent 51%),
      radial-gradient(1.3px 1.3px at 88% 78%,rgba(255,255,255,.26) 50%,transparent 51%),
      radial-gradient(1.1px 1.1px at 22% 88%,rgba(255,255,255,.22) 50%,transparent 51%),
      radial-gradient(1.3px 1.3px at 52% 12%,rgba(255,255,255,.30) 50%,transparent 51%);
    animation:twinkle 8s ease-in-out infinite;
  }
  @keyframes twinkle{0%,100%{opacity:.9}50%{opacity:.62}}
  @media (prefers-reduced-motion:reduce){
    .stars{animation:none}
    html{scroll-behavior:auto}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;overflow:hidden;
    background:var(--ink-950);color:rgba(255,255,255,.72);
    border-top:1px solid rgba(255,255,255,.08);
    margin-top:clamp(52px,7vw,92px);
    padding:clamp(40px,6vw,64px) 0 24px;
  }
  .footer-inner{position:relative}
  .footer-grid{display:grid;gap:32px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:40px}}
  .footer-brand .brand{color:#fff;font-size:15.5px}
  .footer-brand .brand:hover{color:var(--gold-500)}
  .footer-brand p{font-size:13.5px;line-height:1.85;margin:14px 0 16px;color:rgba(255,255,255,.62);max-width:340px}
  .contact{font-size:13px;line-height:1.9;color:rgba(255,255,255,.55)}
  .contact strong{color:rgba(255,255,255,.86);font-weight:600}
  .footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:13.5px;color:rgba(255,255,255,.66)}
  .footer-col a:hover{color:var(--gold-500)}
  .footer-form{display:flex;flex-direction:column;gap:10px}
  .footer-form input,.footer-form textarea{
    width:100%;height:48px;padding:0 14px;
    background:#fff;color:var(--text-900);border:1px solid var(--line);border-radius:var(--r-btn);
    font-size:14px;font-family:inherit;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .footer-form textarea{height:auto;min-height:76px;padding:12px 14px;line-height:1.7;resize:vertical}
  .footer-form input::placeholder,.footer-form textarea::placeholder{color:var(--text-400)}
  .footer-form input:focus,.footer-form textarea:focus{
    outline:none;border-color:var(--violet-600);box-shadow:0 0 0 3px rgba(106,79,224,.16);
  }
  .footer-form .btn{width:100%;margin-top:2px}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
    margin-top:36px;padding-top:20px;
    border-top:1px solid rgba(255,255,255,.1);
    font-size:13px;color:rgba(255,255,255,.45);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .main-nav{display:none}
    .header-search{display:none}
    .nav-toggle{display:inline-flex}
  }
  @media (max-width:767px){
    .header-inner{gap:12px}
    .brand{font-size:14.5px;max-width:calc(100% - 150px)}
    .header-tools .btn-sm{display:none}
    .strip-form{flex-wrap:wrap}
    .strip-input{flex:1 1 100%}
    .strip-form .btn{width:100%}
    .section{padding:52px 0}
    .page-head{padding:26px 0 32px}
    .page-head-actions .btn{flex:1 1 auto}
  }
  @media (max-width:520px){
    .stat strong{font-size:26px}
    .info-thumb{flex-basis:72px;width:72px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }