/* roulang page: index */
:root{
  --c-dark:#141021;
  --c-dark-2:#1E1830;
  --c-primary:#6D3BFF;
  --c-primary-soft:#EDE7FF;
  --c-accent:#12C9A8;
  --c-cta:#FF7A2F;
  --c-spark:#FFD54A;
  --c-bg:#F7F5FB;
  --c-card:#FFFFFF;
  --c-text:#1C1730;
  --c-text-2:#4A4360;
  --c-muted:#8B839F;
  --c-line:rgba(28,23,48,.10);
  --line-dark:rgba(255,255,255,.10);
  --r-card:16px;
  --r-btn:12px;
  --sh-card:0 1px 2px rgba(20,16,33,.05), 0 14px 34px -16px rgba(20,16,33,.22);
  --sh-hover:0 2px 4px rgba(20,16,33,.06), 0 24px 46px -18px rgba(20,16,33,.32);
  --t:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.9;color:var(--c-text);background:var(--c-bg);
  text-align:left;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.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 24px}}
@media(min-width:1280px){.container{padding:0 32px}}

/* ---------- 通用组件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border-radius:var(--r-btn);
  padding:0 20px;height:44px;border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-cta{background:var(--c-cta);color:#fff;box-shadow:0 10px 24px -12px rgba(255,122,47,.75)}
.btn-cta:hover{background:#ff8c4a;transform:translateY(-1px)}
.btn-cta:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.24);color:#EDE9F5;background:transparent}
.btn-ghost:hover{border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.06)}
.btn-line{border-color:rgba(109,59,255,.35);color:var(--c-primary);background:#fff}
.btn-line:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}
.btn-sm{height:40px;font-size:14px;padding:0 16px}
.btn-pill{border-radius:999px}
.btn-block{width:100%}
@media(min-width:768px){.btn-block{width:auto}}

.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600}
.link-arrow .arw{transition:transform var(--t)}
.link-arrow:hover .arw{transform:translateX(3px)}

.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.2px;line-height:1}
.badge-primary{background:var(--c-primary-soft);color:#4A22C8}
.badge-accent{background:rgba(18,201,168,.14);color:#0B7E69}
.badge-spark{background:rgba(255,213,74,.28);color:#7A5A00}

.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.thumb{position:relative;overflow:hidden;border-radius:var(--r-card);background:var(--c-bg)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform 150ms ease-out}
.card:hover .thumb img,.row-item:hover .thumb img{transform:scale(1.03)}
.thumb-16x9{aspect-ratio:16/9}
.thumb-4x3{aspect-ratio:4/3}
.thumb-16x10{aspect-ratio:16/10}

.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.2;letter-spacing:0}
h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.3;margin-bottom:20px}
h3{font-size:20px;font-weight:600;line-height:1.45}
h4{font-size:17px;font-weight:600;line-height:1.5}
.lead{font-size:16px;color:var(--c-text-2)}
.muted{color:var(--c-muted);font-size:13px;line-height:1.7}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.4px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-accent)}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-dark);border-bottom:1px solid var(--line-dark);transition:box-shadow var(--t),background var(--t)}
.site-header.is-scrolled{background:rgba(20,16,33,.96);box-shadow:0 10px 30px -18px rgba(0,0,0,.85)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:28px;height:28px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{color:#fff;font-size:17px;font-weight:700;letter-spacing:.4px}
.brand-sub{color:#B7A9E8;font-size:11px;font-weight:400;letter-spacing:.6px;margin-top:2px}
.nav-links{display:none;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:#D7D2E6;padding:4px 0;transition:color var(--t)}
.nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--c-primary);transition:right var(--t)}
.nav-link:hover{color:#fff}
.nav-link:hover::after{right:0}
.nav-link.active{color:#fff;font-weight:700}
.nav-link.active::after{right:0}
.nav-link.active::before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-search{display:none;position:relative}
.nav-search input{width:200px;height:40px;border-radius:999px;background:#241D38;border:1px solid rgba(255,255,255,.08);
  color:#EDE9F5;font-size:14px;padding:0 16px 0 38px;transition:border-color var(--t),box-shadow var(--t)}
.nav-search input::placeholder{color:#8C82A8}
.nav-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(109,59,255,.28)}
.nav-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:#8C82A8}
.nav-ghost{display:none}
.hamburger{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);cursor:pointer;transition:background var(--t)}
.hamburger:hover{background:rgba(255,255,255,.12)}
.hamburger span{display:block;width:18px;height:2px;background:#EDE9F5;border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#EDE9F5;border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
@media(min-width:1024px){
  .nav-links{display:flex}
  .nav-search{display:block}
  .nav-ghost{display:inline-flex}
  .hamburger{display:none}
}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(10,8,20,.6);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--c-dark);
  transform:translateX(102%);transition:transform var(--t);z-index:90;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:transparent;color:#EDE9F5;font-size:18px;cursor:pointer}
.drawer-close:hover{background:rgba(255,255,255,.08)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-nav a{color:#D7D2E6;font-size:16px;font-weight:500;padding:13px 4px;border-bottom:1px solid var(--line-dark);transition:color var(--t),padding-left var(--t)}
.drawer-nav a:hover,.drawer-nav a.active{color:#fff;padding-left:8px}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:auto}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--c-dark);color:#EDE9F5;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 1px,transparent 1px 22px);opacity:.9}
.hero::after{content:"";position:absolute;width:640px;height:640px;right:-180px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,255,.42) 0%,rgba(109,59,255,0) 68%);filter:blur(20px);pointer-events:none}
.hero-glow{position:absolute;width:520px;height:520px;left:-200px;bottom:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,201,168,.30) 0%,rgba(18,201,168,0) 70%);filter:blur(16px);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:44px;padding:64px 0 56px}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:7fr 5fr;gap:44px;padding:92px 0 88px;min-height:560px;align-items:center}
}
.hero h1{color:#fff;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--c-accent)}
.hero-sub{font-size:16px;color:#C6BEE0;max-width:520px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-metrics{display:flex;flex-wrap:wrap;align-items:stretch;gap:0}
.hero-metric{padding:0 20px;border-left:1px solid var(--line-dark)}
.hero-metric:first-child{border-left:0;padding-left:0}
.hero-metric .val{font-size:24px;font-weight:700;color:var(--c-accent);line-height:1.2}
.hero-metric .lbl{font-size:12px;color:#9A90B8;margin-top:2px}
.hero-visual{position:relative}
.hero-visual .thumb{border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 70px -30px rgba(0,0,0,.9)}
.hero-visual .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,16,33,.12) 0%,rgba(20,16,33,.62) 100%)}
.hero-tag{position:absolute;left:16px;bottom:16px;z-index:3;display:inline-flex;align-items:center;gap:8px;
  background:rgba(20,16,33,.72);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:7px 14px;font-size:12px;color:#EDE9F5;backdrop-filter:blur(6px)}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block}
.step-card{display:none}
@media(min-width:1024px){
  .step-card{display:block;position:absolute;right:-18px;bottom:-30px;width:260px;background:#fff;border-radius:16px;
    padding:18px;box-shadow:0 26px 50px -22px rgba(0,0,0,.65);color:var(--c-text)}
  .step-card h4{font-size:14px;font-weight:700;margin-bottom:12px}
  .step-item{display:flex;gap:10px;align-items:flex-start;padding:7px 0}
  .step-item span.n{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:var(--c-primary-soft);color:#4A22C8;
    font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px}
  .step-item p{font-size:13px;line-height:1.6;color:var(--c-text-2)}
}

/* ---------- 服务区 ---------- */
.svc-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:1024px){.svc-grid{grid-template-columns:4fr 8fr;gap:28px}}
.svc-aside h2{margin-bottom:14px}
.svc-aside p{font-size:15px;color:var(--c-text-2);margin-bottom:20px;max-width:340px}
.svc-cards{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.svc-cards{grid-template-columns:repeat(2,1fr);gap:24px}}
.svc-card{position:relative;padding:24px 24px 24px 28px;overflow:hidden}
.svc-card::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:0 4px 4px 0;background:var(--c-primary);transition:background var(--t)}
.svc-card:hover::before{background:var(--c-cta)}
.svc-card .num-tag{font-size:28px;font-weight:800;line-height:1;color:rgba(18,201,168,.32);letter-spacing:-.5px;display:block;margin-bottom:10px}
.svc-card h3{font-size:18px;margin-bottom:6px}
.svc-card p{font-size:14px;color:var(--c-text-2);line-height:1.7}
.svc-card .card-arw{position:absolute;right:22px;top:22px;color:var(--c-muted);transition:color var(--t),transform var(--t)}
.svc-card:hover .card-arw{color:var(--c-primary);transform:translate(2px,-2px)}

/* ---------- 数据带 ---------- */
.stats-band{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr)}
@media(min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat{padding:28px 20px;border-left:1px solid var(--c-line)}
.stat:first-child{border-left:0}
@media(max-width:1023px){
  .stat:nth-child(odd){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--c-line)}
}
.stat .v{font-size:clamp(34px,4vw,48px);font-weight:800;line-height:1.1;color:var(--c-primary);letter-spacing:-1px}
.stat .k{font-size:13px;color:var(--c-muted);margin-top:6px}

/* ---------- 案例 ---------- */
.case-row{display:grid;grid-template-columns:1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--c-line)}
.case-row:last-child{border-bottom:0}
@media(min-width:1024px){
  .case-row{grid-template-columns:5fr 7fr;gap:40px;align-items:center;padding:34px 0}
  .case-row.rev .case-media{order:2}
  .case-row.rev .case-body{order:1}
}
.case-body .badge{margin-bottom:14px}
.case-body h3{margin-bottom:10px}
.case-body p{font-size:15px;color:var(--c-text-2);margin-bottom:16px}

/* ---------- 方案阶梯卡 ---------- */
.plan-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:1024px){.plan-grid{grid-template-columns:1.15fr 1fr 1fr;gap:24px;align-items:start}}
.plan-card{padding:26px;display:flex;flex-direction:column;gap:14px}
.plan-card .plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.plan-card h3{font-size:19px}
.plan-card .plan-desc{font-size:14px;color:var(--c-text-2)}
.plan-list{display:flex;flex-direction:column;gap:10px;margin:2px 0 6px}
.plan-list li{display:flex;gap:10px;font-size:14px;color:var(--c-text-2);line-height:1.7}
.plan-list svg{flex:0 0 auto;width:16px;height:16px;margin-top:6px;stroke:var(--c-accent)}
.plan-card.featured{border-color:rgba(109,59,255,.45);box-shadow:0 1px 2px rgba(109,59,255,.08),0 22px 44px -20px rgba(109,59,255,.45)}
.plan-card .link-arrow{margin-top:auto}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.news-grid{grid-template-columns:8fr 4fr;gap:28px}}
.news-feature{position:relative;display:block;overflow:hidden}
.news-feature .thumb{aspect-ratio:16/9}
.news-feature .badge{position:absolute;left:14px;top:14px;z-index:3}
.news-feature-body{padding:20px 4px 4px}
.news-feature-body h3{font-size:20px;margin-bottom:10px}
.news-feature-body p{font-size:14px;color:var(--c-text-2)}
.news-feature-body .meta{margin-top:12px}
.news-list{display:flex;flex-direction:column}
.news-item{display:block;padding:14px 0 14px 12px;border-bottom:1px solid var(--c-line);position:relative}
.news-item:first-child{padding-top:0}
.news-item:last-child{border-bottom:0}
.news-item::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);width:3px;height:60%;background:var(--c-primary);border-radius:3px;transition:transform var(--t)}
.news-item:hover::before{transform:translateY(-50%) scaleY(1)}
.news-item .t{font-size:16px;font-weight:500;transition:color var(--t)}
.news-item:hover .t{color:var(--c-primary)}
.news-item .d{font-size:12px;color:var(--c-muted);margin-top:4px}
.empty-state{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  text-align:center;border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff;padding:24px}
.empty-state svg{width:34px;height:34px;stroke:var(--c-muted)}
.empty-state p{font-size:14px;color:var(--c-text-2)}
.thumb-holder{aspect-ratio:16/9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:var(--c-bg);border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-muted);font-size:13px}
.thumb-holder svg{width:32px;height:32px;stroke:var(--c-muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:14px;margin-bottom:12px;overflow:hidden;position:relative;transition:box-shadow var(--t),border-color var(--t)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);transform:scaleY(0);transform-origin:top;transition:transform var(--t)}
.faq-item.open::before{transform:scaleY(1)}
.faq-item.open{border-color:rgba(109,59,255,.3);box-shadow:var(--sh-card)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  background:transparent;border:0;cursor:pointer;padding:16px 20px;font-size:17px;font-weight:600;line-height:1.5;min-height:54px}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform var(--t)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease-out}
.faq-a-inner{padding:0 20px 20px;font-size:16px;line-height:1.9;color:var(--c-text-2)}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.contact-grid{grid-template-columns:5fr 7fr;gap:28px}}
.info-card{padding:26px;background:#fff}
.info-card h3{margin-bottom:18px}
.info-line{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--c-line)}
.info-line:last-child{border-bottom:0}
.info-line svg{flex:0 0 auto;width:20px;height:20px;stroke:var(--c-primary);margin-top:5px}
.info-line .k{font-size:13px;color:var(--c-muted)}
.info-line .v{font-size:15px;font-weight:500}
.form-card{padding:26px;background:#fff}
.form-row{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.form-row.two{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;margin-bottom:16px}
.field label{font-size:14px;font-weight:500;margin-bottom:8px}
.field input,.field select,.field textarea{height:48px;border-radius:12px;border:1px solid var(--c-line);background:#FDFCFF;
  padding:0 14px;font-size:15px;transition:border-color var(--t),box-shadow var(--t)}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(109,59,255,.18)}
.field .err{font-size:13px;color:#E5484D;height:13px;line-height:1;margin-top:6px;visibility:hidden}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#E5484D}
.field.invalid .err{visibility:visible}
.form-note{font-size:13px;color:var(--c-muted);margin-top:12px}
.form-ok{display:none;margin-top:14px;font-size:14px;color:#0B7E69;background:rgba(18,201,168,.12);
  border:1px solid rgba(18,201,168,.35);border-radius:12px;padding:12px 14px}
.form-ok.show{display:block}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-dark);color:#EDE9F5;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 1px,transparent 1px 24px)}
.cta-band::after{content:"";position:absolute;width:520px;height:520px;right:-160px;bottom:-280px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,255,.4) 0%,rgba(109,59,255,0) 70%);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:52px 0}
.cta-inner h2{margin-bottom:8px;color:#fff}
.cta-inner p{font-size:15px;color:#B4ABCD;max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#B4ABCD;border-top:2px solid var(--c-primary);position:relative}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-name{font-size:16px}
.footer-desc{font-size:14px;line-height:1.8;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#B4ABCD;transition:color var(--t)}
.footer-col a:hover{color:#fff}
.footer-contact li{font-size:14px;line-height:1.8}
.footer-bottom{border-top:1px solid var(--line-dark);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8B839F}
.footer-bottom a{color:#8B839F}
.footer-bottom a:hover{color:#EDE9F5}

/* 面包屑 */
.crumb-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9A90B8}
.crumb-bar a{color:#C6BEE0}
.crumb-bar a:hover{color:#fff}
.crumb-bar .sep{opacity:.5}

/* roulang page: article */
:root{
  --c-dark:#141021;
  --c-dark-2:#1E1830;
  --c-primary:#6D3BFF;
  --c-primary-soft:#EDE7FF;
  --c-accent:#12C9A8;
  --c-cta:#FF7A2F;
  --c-spark:#FFD54A;
  --c-bg:#F7F5FB;
  --c-card:#FFFFFF;
  --c-text:#1C1730;
  --c-text-2:#4A4360;
  --c-muted:#8B839F;
  --c-line:rgba(28,23,48,.10);
  --c-line-dark:rgba(255,255,255,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,16,33,.05),0 14px 34px -16px rgba(20,16,33,.22);
  --sh-hover:0 2px 4px rgba(20,16,33,.06),0 22px 46px -18px rgba(20,16,33,.30);
  --tr:180ms ease-out;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-text);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1280px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(20,16,33,.98);
  border-bottom:1px solid var(--c-line-dark);
  transition:box-shadow var(--tr),background var(--tr);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -18px rgba(0,0,0,.85);background:rgba(20,16,33,.96);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:28px;height:28px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;color:#fff;letter-spacing:0;}
.brand-sub{font-size:12px;font-weight:400;color:#C6BCE8;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#D7D2E6;
  padding:6px 0;transition:color var(--tr);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--tr);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;font-weight:700;}
.nav-link.active::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);margin-right:7px;vertical-align:middle;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{position:relative;width:200px;flex:none;}
.search-box svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:15px;height:15px;opacity:.65;}
.search-box input{
  width:100%;height:40px;border-radius:var(--r-pill);
  background:#241D38;border:1px solid rgba(255,255,255,.10);
  color:#EDE9F5;padding:0 14px 0 36px;font-size:14px;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.search-box input::placeholder{color:#8B839F;}
.search-box input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(109,59,255,.25);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;transition:all var(--tr);white-space:nowrap;
}
.btn-ghost-dark{
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.20);color:#EDE9F5;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;transition:all var(--tr);
}
.btn-ghost-dark:hover{border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.06);}
.btn-cta{
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--c-cta);color:#fff;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;transition:all var(--tr);
  box-shadow:0 10px 24px -12px rgba(255,122,47,.85);
}
.btn-cta:hover{filter:brightness(1.06);transform:translateY(-1px);}
.btn-ghost{
  border:1px solid rgba(109,59,255,.35);color:var(--c-primary);background:#fff;
}
.btn-ghost:hover{border-color:var(--c-primary);background:var(--c-primary-soft);}
.btn-primary{background:var(--c-cta);color:#fff;box-shadow:0 12px 26px -14px rgba(255,122,47,.9);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);}
.link-arrow{color:var(--c-primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;}
.link-arrow span{transition:transform var(--tr);}
.link-arrow:hover span{transform:translateX(3px);}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);align-items:center;justify-content:center;
}
.hamburger svg{width:20px;height:20px;}
@media (max-width:1023px){
  .nav-links,.search-box{display:none;}
  .hamburger{display:inline-flex;}
  .nav-actions{gap:10px;}
}
@media (max-width:520px){
  .brand-sub{display:none;}
  .brand-name{font-size:16px;}
  .btn-cta{padding:0 14px;font-size:13px;}
  .btn-ghost-dark{display:none;}
}
/* Drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,7,20,.6);opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr);z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;
  background:var(--c-dark-2);z-index:80;transform:translateX(100%);
  transition:transform 220ms ease-out;padding:22px;display:flex;flex-direction:column;gap:6px;
  border-left:1px solid var(--c-line-dark);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.16);color:#fff;font-size:18px;}
.drawer .nav-link{display:block;padding:14px 4px;border-bottom:1px solid var(--c-line-dark);color:#D7D2E6;font-size:15px;}
.drawer .nav-link::after{display:none;}
.drawer .nav-link.active{color:#fff;}
.drawer-actions{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:20px;}
.drawer-actions .btn,.drawer-actions .btn-ghost-dark{width:100%;height:46px;justify-content:center;}

/* ---------- Page hero band ---------- */
.page-band{
  position:relative;background:var(--c-dark);color:#EDE9F5;overflow:hidden;
  padding:34px 0 38px;border-bottom:1px solid var(--c-line-dark);
}
.page-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(25deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px,60px 60px;opacity:.9;pointer-events:none;
}
.page-band::after{
  content:"";position:absolute;right:-120px;top:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,255,.45),transparent 65%);
  filter:blur(30px);pointer-events:none;
}
.page-band .container{position:relative;z-index:2;}
.breadcrumb{margin-bottom:14px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#B4ABCD;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li:not(:last-child)::after{content:"/";color:rgba(255,255,255,.28);}
.breadcrumb a{color:#CFC7E6;transition:color var(--tr);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .current{color:#8F86A8;max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.band-title{
  font-size:clamp(26px,3.2vw,32px);font-weight:800;line-height:1.35;color:#fff;
  max-width:820px;
}
.band-note{margin-top:12px;font-size:14px;color:#B4ABCD;max-width:820px;}

/* ---------- Article layout ---------- */
.article-section{padding:56px 0 72px;}
@media (min-width:1024px){.article-section{padding:72px 0 96px;}}
.article-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){
  .article-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:28px;align-items:start;}
}
.article-panel{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:26px 22px 34px;
}
@media (min-width:768px){.article-panel{padding:40px 44px 44px;}}
.article-head{border-bottom:1px solid var(--c-line);padding-bottom:22px;margin-bottom:26px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:#3D1E9E;font-size:12px;font-weight:600;
}
.badge-accent{background:rgba(18,201,168,.14);color:#0A7D68;}
.article-title{
  font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.32;margin:14px 0 14px;color:var(--c-text);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);}
.article-meta .dot{width:1px;height:12px;background:var(--c-line);display:inline-block;}

/* CMS content typography */
.article-body{max-width:780px;font-size:16px;line-height:1.9;color:var(--c-text-2);}
.article-body>*+*{margin-top:1em;}
.article-body>p:first-of-type{font-size:17px;color:var(--c-text);}
.article-body p{margin:0 0 1em;text-align:left;}
.article-body h2{
  position:relative;padding-left:14px;margin:44px 0 20px;
  font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;color:var(--c-text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;border-radius:2px;background:var(--c-primary);
}
.article-body h3{margin:30px 0 14px;font-size:21px;font-weight:600;line-height:1.4;color:var(--c-text);}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600;color:var(--c-text);}
.article-body ul,.article-body ol{margin:0 0 1em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.4em 0;line-height:1.9;}
.article-body li::marker{color:var(--c-primary);font-weight:600;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:#4E24D8;}
.article-body img{border-radius:12px;margin:20px auto;width:100%;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:4px solid var(--c-accent);
  background:#F3F0FA;border-radius:0 12px 12px 0;color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.article-body thead th{background:#F3F0FA;font-weight:600;color:var(--c-text);}
.article-body tbody tr:nth-child(even){background:#FAF8FE;}
.article-body code{background:#F3F0FA;padding:2px 6px;border-radius:6px;font-size:14px;color:#4E24D8;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:28px 0;}

/* Not found */
.notice{
  max-width:780px;background:var(--c-bg);border:1px dashed var(--c-line);border-radius:14px;
  padding:32px 26px;text-align:center;
}
.notice svg{width:38px;height:38px;margin:0 auto 14px;color:var(--c-primary);}
.notice h2{font-size:20px;font-weight:700;color:var(--c-text);margin-bottom:8px;}
.notice p{font-size:14px;color:var(--c-muted);margin-bottom:18px;}

/* Tags */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line);}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:#3D1E9E;font-size:13px;font-weight:500;transition:all var(--tr);
}
.tag:hover{background:#DCD1FF;}

/* Prev next */
.pn-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:28px;}
@media (min-width:640px){.pn-grid{grid-template-columns:1fr 1fr;}}
.pn-card{
  display:block;background:var(--c-card);border:1px solid var(--c-line);border-radius:14px;
  padding:18px 20px;box-shadow:var(--sh-card);transition:all var(--tr);
}
.pn-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(109,59,255,.3);}
.pn-label{font-size:12px;color:var(--c-muted);margin-bottom:8px;letter-spacing:.02em;}
.pn-title{
  font-size:15px;font-weight:600;color:var(--c-text);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pn-card:hover .pn-title{color:var(--c-primary);}
.pn-card.pn-right{text-align:right;}

/* Related */
.related{margin-top:44px;padding-top:28px;border-top:1px solid var(--c-line);}
.related h2{font-size:20px;font-weight:700;margin-bottom:20px;color:var(--c-text);}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.related-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:14px;overflow:hidden;
  box-shadow:var(--sh-card);transition:all var(--tr);display:block;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 150ms ease-out;}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{padding:16px 16px 18px;}
.related-body h3{
  font-size:15px;font-weight:600;line-height:1.6;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card:hover .related-body h3{color:var(--c-primary);}
.related-body time{display:block;margin-top:10px;font-size:12px;color:var(--c-muted);}
.back-wrap{text-align:center;margin-top:36px;}

/* Sidebar */
.sidebar{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){
  .sidebar{position:sticky;top:88px;}
}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:22px 20px;
}
.side-card h3{
  font-size:16px;font-weight:700;color:var(--c-text);margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-primary);}
.toc-list li{border-bottom:1px solid var(--c-line);}
.toc-list li:last-child{border-bottom:0;}
.toc-list a{display:block;padding:10px 0;font-size:14px;color:var(--c-text-2);transition:all var(--tr);}
.toc-list a:hover{color:var(--c-primary);padding-left:6px;}
.hot-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line);}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-num{
  font-size:15px;font-weight:800;color:rgba(109,59,255,.35);flex:none;width:22px;line-height:1.6;
  font-variant-numeric:tabular-nums;
}
.hot-list li:nth-child(1) .hot-num{color:var(--c-primary);}
.hot-list a{
  font-size:14px;line-height:1.6;color:var(--c-text-2);transition:color var(--tr);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hot-list a:hover{color:var(--c-primary);}
.cat-list li{margin-bottom:10px;}
.cat-list li:last-child{margin-bottom:0;}
.cat-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:12px;background:var(--c-bg);
  font-size:14px;color:var(--c-text-2);transition:all var(--tr);
}
.cat-list a:hover{background:var(--c-primary-soft);color:#3D1E9E;}
.cat-list a span{color:var(--c-muted);font-size:12px;}
.side-cta{
  background:var(--c-dark-2);border:0;color:#EDE9F5;
}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:var(--c-accent);}
.side-cta p{font-size:14px;color:#B4ABCD;line-height:1.8;margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* Footer */
.site-footer{
  position:relative;background:var(--c-dark);color:#B4ABCD;margin-top:0;
  border-top:2px solid var(--c-primary);padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#C6BCE8;}
.footer-desc{font-size:14px;line-height:1.85;color:#9C93B8;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:#A79EC2;transition:color var(--tr);}
.footer-col a:hover{color:#fff;}
.footer-contact li{font-size:14px;color:#A79EC2;}
.footer-bottom{
  margin-top:46px;border-top:1px solid var(--c-line-dark);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7E768F;
}
.footer-bottom a{color:#A79EC2;}
.footer-bottom a:hover{color:#fff;}
@media (max-width:767px){
  .footer-col ul{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;}
  .footer-contact{display:flex;flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --c-dark:#141021;
  --c-dark-2:#1E1830;
  --c-primary:#6D3BFF;
  --c-primary-soft:#EDE7FF;
  --c-accent:#12C9A8;
  --c-cta:#FF7A2F;
  --c-spark:#FFD54A;
  --c-bg:#F7F5FB;
  --c-card:#FFFFFF;
  --c-text:#1C1730;
  --c-text-2:#4A4360;
  --c-muted:#8B839F;
  --c-line:rgba(28,23,48,.10);
  --c-line-dark:rgba(255,255,255,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,16,33,.05),0 14px 34px -16px rgba(20,16,33,.22);
  --sh-hover:0 2px 6px rgba(20,16,33,.07),0 24px 46px -18px rgba(20,16,33,.32);
  --t:180ms ease-out;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
.tnum{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1280px){.container{padding:0 32px;}}

a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  border-radius:6px;
}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;
  padding:10px 16px;border-radius:0 0 10px 0;z-index:200;
}
.skip-link:focus{left:0;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(20,16,33,.985);
  border-bottom:1px solid var(--c-line-dark);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{
  background:rgba(20,16,33,.96);
  box-shadow:0 12px 30px -20px rgba(0,0,0,.85);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:28px;height:28px;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:700;color:#fff;letter-spacing:.02em;}
.brand-sub{font-size:12px;font-weight:400;color:#B9AEE0;}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:10px;}
.nav-link{
  position:relative;display:inline-block;
  padding:6px 0;font-size:14.5px;font-weight:500;color:#D7D2E6;
  transition:color var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-link.active::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);margin-right:7px;vertical-align:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{position:relative;width:200px;display:block;}
.nav-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  background:#241D38;border:1px solid transparent;color:#EDE9F5;
  padding:0 16px 0 36px;font-size:13.5px;outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search input::placeholder{color:#8B839F;}
.nav-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(109,59,255,.25);}
.nav-search .search-icon{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:15px;height:15px;color:#8B839F;pointer-events:none;
}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);color:#EDE9F5;
  font-size:14px;font-weight:500;transition:background var(--t),border-color var(--t),color var(--t);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);color:#fff;}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--c-cta);color:#fff;font-size:14px;font-weight:600;
  border:none;cursor:pointer;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.btn-cta:hover{background:#FF8B4A;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(255,122,47,.9);}
.hamburger{
  display:none;width:42px;height:40px;border-radius:12px;
  border:1px solid rgba(255,255,255,.2);background:transparent;
  cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:#EDE9F5;position:relative;transition:background var(--t);}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#EDE9F5;
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

.drawer-backdrop{
  position:fixed;inset:0;background:rgba(10,7,20,.6);z-index:90;
  opacity:0;pointer-events:none;transition:opacity var(--t);
}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;
  background:var(--c-dark);z-index:95;padding:20px 22px 28px;
  transform:translateX(104%);transition:transform 220ms ease-out;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--c-line-dark);}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#EDE9F5;font-size:18px;line-height:1;cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;padding:18px 0;}
.drawer-links a{
  display:block;padding:12px 12px;border-radius:12px;color:#D7D2E6;font-size:15px;
  transition:background var(--t),color var(--t);
}
.drawer-links a:hover{background:#241D38;color:#fff;}
.drawer-links a.active{background:var(--c-primary-soft);color:#3B1E9E;font-weight:700;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:10px;}
.drawer-actions .btn-ghost,.drawer-actions .btn-cta{width:100%;height:46px;}

/* ============ Banner ============ */
.page-banner{
  position:relative;overflow:hidden;background:var(--c-dark);
  padding:34px 0 46px;
}
.page-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 1px,transparent 1px 22px);
}
.banner-glow{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none;}
.banner-glow.g1{width:340px;height:340px;background:#6D3BFF;opacity:.42;top:-130px;right:6%;}
.banner-glow.g2{width:280px;height:280px;background:#12C9A8;opacity:.22;bottom:-160px;left:8%;}
.banner-deco{
  position:absolute;right:32px;top:50%;transform:translateY(-50%);
  width:180px;height:180px;opacity:.5;pointer-events:none;display:none;
}
@media (min-width:1024px){.banner-deco{display:block;}}
.banner-inner{position:relative;z-index:2;max-width:820px;}
.breadcrumbs ol{
  list-style:none;display:flex;flex-wrap:wrap;align-items:center;
  gap:8px;font-size:12.5px;color:#B4ABCD;margin-bottom:16px;
}
.breadcrumbs li{display:flex;align-items:center;gap:8px;}
.breadcrumbs li+li::before{content:"/";color:rgba(255,255,255,.28);}
.breadcrumbs a{color:#B4ABCD;transition:color var(--t);}
.breadcrumbs a:hover{color:#fff;}
.breadcrumbs [aria-current]{color:#EDE9F5;}
.banner-title{
  font-size:clamp(28px,4vw,44px);
  font-weight:800;line-height:1.22;color:#fff;margin-bottom:14px;
}
.banner-title .accent{color:var(--c-accent);}
.banner-sub{font-size:14px;line-height:1.8;color:#B4ABCD;max-width:640px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.banner-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.08);
  color:#D7D2E6;font-size:12.5px;
}

/* ============ 筛选标签 ============ */
.filter-section{padding:26px 0 0;}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;}
.filter-chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);color:#4A2FBF;
  font-size:13.5px;font-weight:500;
  transition:background var(--t),color var(--t),transform var(--t);
}
.filter-chip:hover{background:#DCD0FF;transform:translateY(-1px);}
.filter-chip.is-active{background:var(--c-primary);color:#fff;}
.filter-chip.is-active:hover{background:#5C2BEA;}

/* ============ 版块通用 ============ */
.section{padding:64px 0 0;}
.section:last-of-type{padding-bottom:80px;}
@media (min-width:1024px){.section{padding:88px 0 0;}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:30px;
}
.section-title{font-size:clamp(23px,2.9vw,32px);font-weight:700;line-height:1.3;}
.section-sub{font-size:14px;line-height:1.8;color:var(--c-muted);margin-top:10px;max-width:660px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:14px;font-weight:600;
}
.link-more .arrow{transition:transform var(--t);display:inline-block;}
.link-more:hover .arrow{transform:translateX(3px);}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
  background:var(--c-primary-soft);color:#4A2FBF;
}
.badge-accent{background:rgba(18,201,168,.14);color:#0A8D77;}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);gap:22px;}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.post-card{
  display:flex;flex-direction:column;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-hover);
  border-color:rgba(109,59,255,.3);
}
.post-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 150ms ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-thumb .badge{position:absolute;left:14px;top:14px;}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{font-size:18px;font-weight:600;line-height:1.55;}
.post-excerpt{
  font-size:14px;line-height:1.8;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:6px;font-size:13px;color:var(--c-muted);
  display:flex;align-items:center;gap:10px;
}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-muted);}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr);gap:22px;}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(3,1fr);gap:24px;}}
.step-card{
  position:relative;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:28px 24px 26px;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(109,59,255,.28);}
.step-card::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;
  border-radius:0 4px 4px 0;background:var(--c-primary);transition:background var(--t);
}
.step-card:hover::before{background:var(--c-cta);}
.step-num{
  font-size:28px;font-weight:800;line-height:1;color:rgba(18,201,168,.4);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.step-title{font-size:18px;font-weight:600;margin-bottom:10px;}
.step-text{font-size:14px;line-height:1.8;color:var(--c-text-2);}

/* ============ 准备清单 ============ */
.prep-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){
  .prep-grid{grid-template-columns:4fr 8fr;gap:28px;align-items:start;}
}
.prep-side h2{font-size:clamp(23px,2.9vw,32px);line-height:1.3;margin-bottom:16px;}
.prep-side p{font-size:15px;line-height:1.9;color:var(--c-text-2);margin-bottom:18px;}
.prep-list{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:640px){.prep-list{grid-template-columns:repeat(2,1fr);}}
.prep-item{
  display:flex;gap:16px;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.prep-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(109,59,255,.28);}
.prep-thumb{
  width:56px;height:56px;border-radius:14px;overflow:hidden;flex-shrink:0;background:var(--c-bg);
}
.prep-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 150ms ease-out;}
.prep-item:hover .prep-thumb img{transform:scale(1.05);}
.prep-item h3{font-size:16.5px;font-weight:600;margin-bottom:6px;}
.prep-item p{font-size:13.5px;line-height:1.75;color:var(--c-text-2);margin:0;}

/* ============ 数据带 ============ */
.stat-band{
  margin-top:72px;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  padding:34px 0;
}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr);}}
.stat-cell{
  padding:16px 18px;border-left:1px solid var(--c-line);
}
.stat-cell:first-child{border-left:none;}
@media (max-width:1023px){
  .stat-cell:nth-child(odd){border-left:none;}
  .stat-cell:nth-child(n+3){border-top:1px solid var(--c-line);}
}
.stat-num{
  font-size:clamp(30px,4vw,44px);font-weight:800;line-height:1.1;
  color:var(--c-primary);font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;color:var(--c-muted);margin-top:8px;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:14px;overflow:hidden;box-shadow:var(--sh-card);
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:rgba(109,59,255,.25);}
.faq-item[open]{border-color:rgba(109,59,255,.3);}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;
  justify-content:space-between;gap:16px;
  min-height:54px;padding:16px 22px;
  font-size:16.5px;font-weight:600;line-height:1.6;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:#4A2FBF;font-size:17px;font-weight:600;line-height:1;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-answer{padding:0 22px 22px;font-size:15.5px;line-height:1.9;color:var(--c-text-2);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-dark);
  margin-top:88px;padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 1px,transparent 1px 24px);
}
.cta-band .banner-glow.g3{width:320px;height:320px;background:#6D3BFF;opacity:.34;top:-140px;left:12%;}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
.cta-copy{max-width:640px;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.35;margin-bottom:12px;}
.cta-copy p{color:#B4ABCD;font-size:14.5px;line-height:1.85;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:var(--c-cta);color:#fff;font-size:15px;font-weight:600;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.btn-solid:hover{background:#FF8B4A;transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(255,122,47,.85);}
.btn-outline-dark{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);color:#EDE9F5;font-size:15px;font-weight:500;
  transition:background var(--t),border-color var(--t),color var(--t);
}
.btn-outline-dark:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.45);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--c-dark);color:#D7D2E6;
  padding-top:64px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;padding-bottom:42px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.85;color:#B4ABCD;max-width:320px;margin:0;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#B4ABCD;font-size:14px;transition:color var(--t);}
.footer-col a:hover{color:#fff;}
.footer-contact li{color:#B4ABCD;font-size:14px;line-height:1.7;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:18px 0 28px;border-top:1px solid var(--c-line-dark);
  font-size:13px;color:#8B839F;
}
.footer-bottom a{color:#B4ABCD;transition:color var(--t);}
.footer-bottom a:hover{color:#fff;}

@media (max-width:1023px){
  .nav-links,.nav-search,.nav-right .btn-ghost{display:none;}
  .hamburger{display:flex;}
  .nav-wrap{gap:12px;}
}
@media (max-width:639px){
  .nav-right .btn-cta{padding:0 16px;font-size:13.5px;}
  .section{padding:56px 0 0;}
  .banner-title{margin-bottom:12px;}
}

/* roulang page: category3 */
:root{
  --c-dark:#141021;
  --c-dark-2:#1E1830;
  --c-primary:#6D3BFF;
  --c-primary-soft:#EDE7FF;
  --c-accent:#12C9A8;
  --c-cta:#FF7A2F;
  --c-spark:#FFD54A;
  --c-bg:#F7F5FB;
  --c-card:#FFFFFF;
  --c-text:#1C1730;
  --c-text-2:#4A4360;
  --c-muted:#8B839F;
  --c-line:rgba(28,23,48,.10);
  --c-line-dark:rgba(255,255,255,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,16,33,.05),0 14px 34px -16px rgba(20,16,33,.22);
  --sh-hover:0 4px 8px rgba(20,16,33,.06),0 22px 44px -18px rgba(20,16,33,.30);
  --t:180ms ease-out;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.9;color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%;}
@media(min-width:768px){ .container{padding:0 24px;} }
@media(min-width:1280px){ .container{padding:0 32px;} }

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-dark);
  border-bottom:1px solid var(--c-line-dark);
  transition:box-shadow var(--t),background-color var(--t);
}
.site-header.scrolled{background:rgba(20,16,33,.96);box-shadow:0 12px 30px -18px rgba(0,0,0,.85);}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:28px;height:28px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;color:#fff;letter-spacing:.2px;}
.brand-sub{font-size:12px;font-weight:400;color:#B9AEFA;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#D7D2E6;padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;font-weight:700;}
.nav-link.active::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);margin-right:8px;vertical-align:middle;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  position:relative;width:200px;
}
.nav-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  background:#241D38;border:1px solid var(--c-line-dark);
  color:#EDE9F5;padding:0 16px 0 38px;font-size:14px;
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search input::placeholder{color:#8B839F;}
.nav-search input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 2px rgba(109,59,255,.35);
}
.nav-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:background-color var(--t),border-color var(--t),color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-ghost{
  border:1px solid rgba(255,255,255,.20);color:#EDE9F5;background:transparent;
}
.btn-ghost:hover{border-color:rgba(255,255,255,.5);color:#fff;}
.btn-cta{
  background:var(--c-cta);color:#fff;box-shadow:0 10px 24px -12px rgba(255,122,47,.9);
}
.btn-cta:hover{background:#ff8b49;transform:translateY(-1px);}
.btn-cta:active{transform:translateY(0);}
.btn-primary-outline{
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  border:1px solid rgba(109,59,255,.45);color:var(--c-primary);background:#fff;
  font-size:15px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;
}
.btn-primary-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary);}
.btn-solid-lg{
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:var(--c-cta);color:#fff;font-size:15px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px -14px rgba(255,122,47,.95);transition:all var(--t);
}
.btn-solid-lg:hover{background:#ff8b49;transform:translateY(-1px);}
.hamburger{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--c-line-dark);align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:#EDE9F5;position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#EDE9F5;
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
@media(max-width:1023px){
  .nav-links,.nav-search,.nav-actions .btn-ghost{display:none;}
  .hamburger{display:flex;}
}
@media(max-width:520px){
  .nav-actions .btn-cta{display:none;}
}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;
  background:var(--c-dark-2);z-index:80;transform:translateX(102%);
  transition:transform 220ms ease-out;overflow-y:auto;
  border-left:1px solid var(--c-line-dark);padding:22px 20px 32px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line-dark);color:#EDE9F5;font-size:18px;}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer nav a{
  color:#D7D2E6;font-size:15px;font-weight:500;padding:12px 10px;border-radius:10px;
  border-bottom:1px solid var(--c-line-dark);
}
.drawer nav a:hover{background:#241D38;color:#fff;}
.drawer nav a.active{color:#fff;font-weight:700;background:#241D38;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;}
.drawer-actions .btn{width:100%;height:46px;border-radius:var(--r-btn);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,33,.6);z-index:70;
  opacity:0;pointer-events:none;transition:opacity var(--t);
}
.drawer-mask.open{opacity:1;pointer-events:auto;}

/* ============ 分类页 Banner ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background-color:var(--c-dark);
  background-image:linear-gradient(100deg,rgba(20,16,33,.96) 0%,rgba(20,16,33,.86) 48%,rgba(30,24,48,.80) 100%),url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  min-height:280px;
  display:flex;align-items:center;
  padding:56px 0 48px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 1px,transparent 1px 22px);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;
  background:radial-gradient(circle,rgba(109,59,255,.45),transparent 68%);
  filter:blur(50px);pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#B4ABCD;margin-bottom:18px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.28);}
.breadcrumb a{color:#CFC7E8;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .current{color:#fff;}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.2;color:#fff;
  max-width:820px;
}
.cat-hero h1 em{font-style:normal;color:var(--c-primary-soft);}
.cat-hero .hero-sub{
  margin-top:16px;font-size:14px;color:#B4ABCD;max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;color:#EDE9F5;background:rgba(255,255,255,.08);border:1px solid var(--c-line-dark);
}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
@media(min-width:1024px){ .section{padding:96px 0;} }
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;}
.section-title span{color:var(--c-primary);}
.section-desc{font-size:15px;color:var(--c-text-2);max-width:720px;margin-top:12px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.text-link i{font-style:normal;transition:transform var(--t);}
.text-link:hover i{transform:translateX(3px);}
.badge{
  display:inline-flex;align-items:center;height:23px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:var(--c-primary-soft);color:#4B23BE;
}
.badge-accent{background:rgba(18,201,168,.14);color:#0A8E77;}

/* 筛选标签 */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;padding:26px 0 0;}
.filter-tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;color:#4B23BE;background:var(--c-primary-soft);
  transition:all var(--t);
}
.filter-tag:hover{background:#E0D6FF;}
.filter-tag.active{background:var(--c-primary);color:#fff;}

/* ============ 横向图文列表行 ============ */
.row-panel{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
}
.row-item{
  display:flex;gap:22px;align-items:flex-start;
  padding:22px 24px;
  border-bottom:1px solid var(--c-line);
  transition:background-color var(--t);
}
.row-item:last-child{border-bottom:0;}
.row-item:hover{background:#F3F0FA;}
.row-thumb{
  flex:0 0 240px;width:240px;height:150px;border-radius:12px;overflow:hidden;
  background:var(--c-bg);position:relative;
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 150ms ease-out;}
.row-item:hover .row-thumb img{transform:scale(1.03);}
.row-body{flex:1 1 auto;min-width:0;}
.row-body h3{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.row-body h3 a:hover{color:var(--c-primary);}
.row-body p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:12px;}
.row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);}
.row-meta .dot{width:1px;height:12px;background:var(--c-line);}
.tag-mini{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;background:var(--c-primary-soft);color:#4B23BE;
}
.tag-mini.accent{background:rgba(18,201,168,.14);color:#0A8E77;}
@media(max-width:767px){
  .row-item{flex-direction:column;padding:20px 18px;}
  .row-thumb{width:100%;flex:1 1 auto;height:auto;aspect-ratio:16/10;}
}

/* ============ 排查流程 ============ */
.flow-wrap{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:768px){ .flow-wrap{grid-template-columns:repeat(2,1fr);} }
@media(min-width:1024px){ .flow-wrap{grid-template-columns:repeat(4,1fr);gap:24px;} }
.flow-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-card);position:relative;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(109,59,255,.30);}
.flow-card::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;border-radius:0 4px 4px 0;
  background:var(--c-primary);transition:background-color var(--t);
}
.flow-card:hover::before{background:var(--c-cta);}
.flow-num{font-size:26px;font-weight:800;color:rgba(18,201,168,.35);line-height:1;margin-bottom:14px;}
.flow-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.flow-card p{font-size:14px;color:var(--c-text-2);line-height:1.75;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;position:relative;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
  transform:scaleY(0);transform-origin:top;transition:transform var(--t);
}
.faq-item.open::before{transform:scaleY(1);}
.faq-item.open{border-color:rgba(109,59,255,.35);box-shadow:var(--sh-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;min-height:54px;text-align:left;
  font-size:17px;font-weight:600;line-height:1.5;color:var(--c-text);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--c-line);position:relative;transition:transform var(--t),border-color var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--c-primary);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 220ms ease-out;
}
.faq-item.open .faq-a{max-height:420px;}
.faq-a p{
  padding:0 22px 20px;font-size:16px;line-height:1.9;color:var(--c-text-2);
}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-dark);position:relative;overflow:hidden;
  padding:56px 0;margin-top:8px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 1px,transparent 1px 22px);
}
.cta-band::after{
  content:"";position:absolute;width:360px;height:360px;left:-100px;bottom:-180px;
  background:radial-gradient(circle,rgba(18,201,168,.35),transparent 70%);
  filter:blur(60px);
}
.cta-inner{
  position:relative;z-index:2;display:grid;gap:28px;align-items:center;
}
@media(min-width:1024px){ .cta-inner{grid-template-columns:1.4fr 1fr;gap:48px;} .cta-band{padding:72px 0;} }
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);font-weight:700;color:#fff;line-height:1.35;}
.cta-inner p{margin-top:14px;font-size:15px;color:#B4ABCD;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-actions .btn-ghost{height:48px;border-radius:var(--r-btn);padding:0 26px;font-size:15px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);color:#D7D2E6;border-top:2px solid var(--c-primary);
  padding:56px 0 0;position:relative;
}
.footer-grid{display:grid;gap:32px;}
@media(min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
@media(min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;} }
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:28px;height:28px;}
.footer-desc{font-size:14px;line-height:1.8;color:#B4ABCD;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:#B4ABCD;}
.footer-col a:hover{color:#fff;}
.footer-contact li{font-size:14px;color:#B4ABCD;}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--c-line-dark);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:#8B839F;
}
.footer-bottom a{color:#B4ABCD;}
.footer-bottom a:hover{color:#fff;}
@media(max-width:639px){
  .footer-col ul{display:grid;grid-template-columns:repeat(2,1fr);gap:11px 16px;}
}

/* roulang page: category2 */
:root{
  --c-dark:#141021;
  --c-dark-2:#1E1830;
  --c-primary:#6D3BFF;
  --c-primary-soft:#EDE7FF;
  --c-accent:#12C9A8;
  --c-cta:#FF7A2F;
  --c-spark:#FFD54A;
  --c-bg:#F7F5FB;
  --c-card:#FFFFFF;
  --c-text:#1C1730;
  --c-text-2:#4A4360;
  --c-muted:#8B839F;
  --c-line:rgba(28,23,48,.10);
  --c-line-dark:rgba(255,255,255,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-badge:999px;
  --sh-card:0 1px 2px rgba(20,16,33,.05),0 14px 34px -16px rgba(20,16,33,.22);
  --sh-hover:0 2px 4px rgba(20,16,33,.06),0 22px 44px -18px rgba(20,16,33,.30);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- HEADER / NAV ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-dark);
  border-bottom:1px solid var(--c-line-dark);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{
  background:rgba(20,16,33,.96);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.85);
}
.nav-bar{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{width:28px;height:28px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{
  font-size:17px;
  font-weight:800;
  color:#FFFFFF;
  letter-spacing:.2px;
}
.brand-sub{
  font-size:12px;
  font-weight:400;
  color:#B4ABCD;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:14px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:#D7D2E6;
  padding:6px 0;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:#FFFFFF;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#FFFFFF;font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-link.active::before{
  content:"";
  position:absolute;
  left:-12px;top:50%;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--c-primary);
  transform:translateY(-50%);
}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  width:200px;
  height:40px;
  border-radius:var(--r-badge);
  background:#241D38;
  border:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search svg{
  position:absolute;
  left:14px;
  width:16px;height:16px;
  opacity:.7;
}
.nav-search input{
  width:100%;
  height:100%;
  border:0;
  background:transparent;
  padding:0 16px 0 38px;
  font-size:14px;
  color:#EDE9F5;
  border-radius:var(--r-badge);
}
.nav-search input::placeholder{color:#8B839F;}
.nav-search:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(109,59,255,.25);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  padding:0 20px;
  border-radius:var(--r-badge);
  font-size:14px;
  font-weight:600;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-ghost{
  border:1px solid rgba(255,255,255,.20);
  color:#EDE9F5;
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.38);}
.btn-cta{
  background:var(--c-cta);
  color:#FFFFFF;
}
.btn-cta:hover{background:#FF8C4A;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(255,122,47,.85);}
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  background:var(--c-cta);
  color:#FFFFFF;
  font-size:15px;
  font-weight:600;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease);
}
.btn-primary:hover{background:#FF8C4A;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,122,47,.85);}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  background:#FFFFFF;
  border:1px solid rgba(109,59,255,.38);
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
  transition:transform var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.28);
  color:#EDE9F5;
  font-size:15px;
  font-weight:600;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.5);transform:translateY(-2px);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-primary);
  font-size:14px;
  font-weight:600;
}
.link-arrow span.arw{transition:transform var(--ease);display:inline-block;}
.link-arrow:hover span.arw{transform:translateX(3px);}
.hamburger{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.2);
  align-items:center;
  justify-content:center;
}
.hamburger span{
  display:block;
  width:18px;height:2px;
  background:#EDE9F5;
  position:relative;
}
.hamburger span::before,
.hamburger span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;
  background:#EDE9F5;
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:84vw;
  max-width:340px;
  height:100vh;
  background:var(--c-dark);
  z-index:90;
  transform:translateX(102%);
  transition:transform 220ms ease-out;
  padding:24px 22px;
  display:flex;
  flex-direction:column;
  gap:22px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.2);
  color:#EDE9F5;
  font-size:18px;
  line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:12px 10px;
  border-radius:12px;
  color:#D7D2E6;
  font-size:15px;
  border-left:3px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.drawer-nav a:hover{background:#241D38;color:#FFFFFF;}
.drawer-nav a.active{
  color:#FFFFFF;
  font-weight:700;
  background:#241D38;
  border-left-color:var(--c-primary);
}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto;}
.drawer-actions .btn,.drawer-actions .btn-cta{width:100%;height:46px;}
.scrim{
  position:fixed;inset:0;
  background:rgba(10,8,18,.6);
  z-index:80;
  opacity:0;
  pointer-events:none;
  transition:opacity var(--ease);
}
.scrim.is-open{opacity:1;pointer-events:auto;}

/* ---------- PAGE HERO ---------- */
.page-hero{
  position:relative;
  background:var(--c-dark);
  overflow:hidden;
  padding:44px 0 52px;
  min-height:260px;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(25deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px,44px 44px;
  opacity:.9;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(109,59,255,.55),transparent 62%);
  filter:blur(30px);
  pointer-events:none;
}
.page-hero .hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#B4ABCD;
  margin-bottom:18px;
}
.breadcrumb a{color:#B4ABCD;transition:color var(--ease);}
.breadcrumb a:hover{color:#FFFFFF;}
.breadcrumb .sep{color:rgba(255,255,255,.28);}
.breadcrumb .current{color:#EDE9F5;}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  font-weight:800;
  line-height:1.22;
  color:#FFFFFF;
  max-width:840px;
}
.page-hero .hero-sub{
  margin-top:14px;
  font-size:14px;
  line-height:1.75;
  color:#B4ABCD;
  max-width:640px;
}
.hero-deco{
  position:absolute;
  right:40px;
  bottom:36px;
  width:190px;
  height:130px;
  z-index:2;
  opacity:.85;
  pointer-events:none;
}
@media (max-width:900px){.hero-deco{display:none;}}

/* ---------- FILTER TAGS ---------- */
.filter-band{
  background:#FFFFFF;
  border-bottom:1px solid var(--c-line);
}
.filter-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:18px 0;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-badge);
  background:var(--c-primary-soft);
  color:#3E2478;
  font-size:13px;
  font-weight:500;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.tag:hover{background:#DFD6FF;transform:translateY(-1px);}
.tag.is-active{
  background:var(--c-primary);
  color:#FFFFFF;
  font-weight:600;
}
.filter-note{
  margin-left:auto;
  font-size:13px;
  color:var(--c-muted);
}

/* ---------- MAIN LAYOUT ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:80px 0;}}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head h2{
  font-size:clamp(24px,2.8vw,34px);
  font-weight:700;
  line-height:1.3;
  color:var(--c-text);
}
.section-head p{
  margin-top:12px;
  font-size:15px;
  color:var(--c-text-2);
  line-height:1.85;
}
.layout-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:1024px){
  .layout-grid{grid-template-columns:8fr 4fr;gap:28px;align-items:start;}
}
.card-grid-2{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:640px){.card-grid-2{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1280px){.card-grid-2{gap:24px;}}
.big-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.big-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-hover);
  border-color:rgba(109,59,255,.30);
}
.thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-bg);
}
.thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 150ms ease-out;
}
.big-card:hover .thumb img{transform:scale(1.03);}
.thumb .badge{
  position:absolute;
  left:14px;top:14px;
  height:24px;
  display:inline-flex;
  align-items:center;
  padding:0 12px;
  border-radius:var(--r-badge);
  background:var(--c-primary-soft);
  color:#3E2478;
  font-size:12px;
  font-weight:600;
}
.big-card-body{padding:20px 22px 22px;}
.big-card-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.45;
  color:var(--c-text);
}
.big-card-body p{
  margin-top:10px;
  font-size:14px;
  line-height:1.8;
  color:var(--c-text-2);
}
.big-card-foot{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.big-card-foot time{font-size:13px;color:var(--c-muted);}
.tag-soft{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 11px;
  border-radius:var(--r-badge);
  background:rgba(18,201,168,.12);
  color:#0B7C68;
  font-size:12px;
  font-weight:600;
}

/* ---------- SIDEBAR ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){
  .side-col{position:sticky;top:88px;}
}
.side-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:22px;
}
.side-card h3{
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  margin-bottom:14px;
}
.side-list li + li{border-top:1px solid var(--c-line);}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 0 11px 0;
  font-size:14px;
  color:var(--c-text-2);
  border-left:3px solid transparent;
  padding-left:10px;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.side-list a:hover{color:var(--c-primary);border-left-color:var(--c-primary);background:#FBFAFE;}
.side-list a.is-current{color:var(--c-primary);font-weight:700;border-left-color:var(--c-primary);}
.rank-list{counter-reset:rank;display:flex;flex-direction:column;gap:2px;}
.rank-list li{
  counter-increment:rank;
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px solid var(--c-line);
}
.rank-list li:last-child{border-bottom:0;}
.rank-list li::before{
  content:counter(rank,decimal-leading-zero);
  flex:0 0 auto;
  font-size:13px;
  font-weight:700;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  line-height:1.6;
}
.rank-list a{
  font-size:14px;
  line-height:1.6;
  color:var(--c-text-2);
  transition:color var(--ease);
}
.rank-list a:hover{color:var(--c-primary);}
.side-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:var(--c-text-2);
  padding:6px 0;
}
.side-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px;}
.side-card .btn-primary,.side-card .btn-outline{width:100%;margin-top:16px;}

/* ---------- STAT BAND ---------- */
.stat-band{
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  background:#FFFFFF;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
}
@media (min-width:900px){.stat-grid{grid-template-columns:repeat(4,1fr);}}
.stat-item{
  padding:28px 22px;
  text-align:left;
}
.stat-item + .stat-item{border-left:1px solid var(--c-line);}
@media (max-width:899px){
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-top:1px solid var(--c-line);}
  .stat-item:nth-child(odd){border-left:0;}
}
.stat-num{
  font-size:clamp(34px,4vw,48px);
  font-weight:800;
  line-height:1.1;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
}
.stat-label{
  margin-top:8px;
  font-size:13px;
  color:var(--c-muted);
  line-height:1.7;
}

/* ---------- STEPS ---------- */
.steps{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:20px;}}
.step{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:24px 22px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(109,59,255,.30);}
.step-no{
  font-size:26px;
  font-weight:800;
  color:rgba(109,59,255,.22);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.step h3{margin-top:12px;font-size:17px;font-weight:600;}
.step p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--c-text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:14px;
  box-shadow:var(--sh-card);
  margin-bottom:12px;
  overflow:hidden;
  position:relative;
  transition:border-color var(--ease);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--c-primary);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:54px;
  padding:14px 20px;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  text-align:left;
}
.faq-icon{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--c-primary);
  border-radius:2px;
  transition:transform var(--ease);
}
.faq-icon::before{left:50%;top:4px;width:2px;height:14px;transform:translateX(-50%);}
.faq-icon::after{top:50%;left:4px;height:2px;width:14px;transform:translateY(-50%);}
.faq-item.is-open .faq-icon::before{transform:translateX(-50%) rotate(90deg);}
.faq-a{
  display:none;
  padding:0 20px 20px;
  font-size:16px;
  line-height:1.9;
  color:var(--c-text-2);
}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA BAND ---------- */
.cta-band{
  position:relative;
  background:var(--c-dark);
  overflow:hidden;
  padding:64px 0;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:40px 40px;
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-100px;bottom:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(18,201,168,.35),transparent 62%);
  filter:blur(28px);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
}
@media (min-width:960px){.cta-inner{grid-template-columns:1.4fr 1fr;}}
.cta-inner h2{
  font-size:clamp(24px,2.8vw,34px);
  font-weight:700;
  color:#FFFFFF;
  line-height:1.32;
}
.cta-inner p{
  margin-top:12px;
  font-size:15px;
  color:#B4ABCD;
  line-height:1.85;
  max-width:620px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- CONTACT FORM ---------- */
.form-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
@media (min-width:768px){
  .form-grid{grid-template-columns:repeat(2,1fr);}
  .form-grid .full{grid-column:1 / -1;}
}
.field label{
  display:block;
  font-size:14px;
  font-weight:500;
  margin-bottom:8px;
  color:var(--c-text);
}
.field input,.field select,.field textarea{
  width:100%;
  min-height:48px;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  background:#FFFFFF;
  padding:12px 14px;
  font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:132px;line-height:1.8;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(109,59,255,.16);
  outline:none;
}
.field .err{
  display:none;
  margin-top:6px;
  font-size:13px;
  color:#E5484D;
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#E5484D;}
.field.has-error .err{display:block;}
.form-note{margin-top:14px;font-size:13px;color:var(--c-muted);}
.info-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:24px;
}
.info-card h3{font-size:18px;font-weight:600;margin-bottom:14px;}
.info-card li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:10px 0;
  font-size:15px;
  color:var(--c-text-2);
  border-bottom:1px solid var(--c-line);
}
.info-card li:last-child{border-bottom:0;}
.info-card svg{width:20px;height:20px;flex:0 0 auto;margin-top:6px;}

/* ---------- FOOTER ---------- */
.site-footer{
  position:relative;
  background:var(--c-dark);
  color:#EDE9F5;
  padding:56px 0 24px;
  border-top:2px solid var(--c-primary);
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-name{font-size:17px;font-weight:800;color:#FFFFFF;}
.footer-desc{font-size:14px;line-height:1.85;color:#B4ABCD;max-width:320px;}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#FFFFFF;
  margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:#B4ABCD;
  transition:color var(--ease);
}
.footer-col a:hover{color:#FFFFFF;}
.footer-contact li{font-size:14px;color:#B4ABCD;line-height:1.7;}
.footer-bottom{
  margin-top:36px;
  padding-top:18px;
  border-top:1px solid var(--c-line-dark);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:13px;
  color:#8B839F;
}
.footer-bottom a{color:#B4ABCD;}
.footer-bottom a:hover{color:#FFFFFF;}

/* ---------- RESPONSIVE NAV ---------- */
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-right .btn-ghost{display:none;}
  .hamburger{display:inline-flex;}
  .nav-bar{justify-content:space-between;}
}
@media (max-width:520px){
  .brand-sub{display:none;}
  .brand-name{font-size:16px;}
  .page-hero{padding:34px 0 40px;}
  .cta-actions .btn-primary,.cta-actions .btn-ghost-light{width:100%;}
}
@media (max-width:640px){
  .filter-note{display:none;}
}