/* roulang page: index */
:root{
  --brand:#6C3BF4;
  --brand-deep:#5B2EE0;
  --brand-soft:#EFEBFB;
  --mint:#24E0B0;
  --orange:#FF7A3D;
  --orange-deep:#F26A26;
  --ink:#0E0A1C;
  --bg:#F6F5FB;
  --card:#FFFFFF;
  --text:#14102A;
  --text-2:#56526B;
  --text-3:#8B87A0;
  --line:#E7E4F2;
  --ok:#17B890;
  --warn:#F5A524;
  --danger:#E5484D;
  --r-s:8px; --r-c:16px; --r-p:24px; --r-h:32px; --r-pill:999px;
  --sh1:0 1px 2px rgba(16,12,40,.06);
  --sh2:0 8px 24px -8px rgba(20,16,42,.14);
  --sh3:0 20px 48px -16px rgba(76,36,184,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.25}
p{margin:0 0 16px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.grid-x{margin-left:-14px;margin-right:-14px}
.grid-x>.cell{padding-left:14px;padding-right:14px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;position:relative;padding-left:18px}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background:linear-gradient(180deg,var(--brand),var(--mint))}
.sec-desc{margin:10px 0 0;font-size:15px;color:var(--text-2);max-width:640px;padding-left:18px}
.sec-more{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.sec-more i{transition:transform .18s ease}
.sec-more:hover i{transform:translateX(4px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border:1px solid rgba(108,59,244,.18);border-radius:var(--r-pill);padding:6px 14px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all .18s ease;white-space:nowrap}
.btn i{transition:transform .18s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-action{background:var(--orange);color:#fff;box-shadow:0 10px 22px -10px rgba(255,122,61,.85)}
.btn-action:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-light:hover{background:#fff;color:var(--ink)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);min-height:0;padding:0;background:none;border:0;cursor:pointer}
.btn-text i{transition:transform .18s ease}
.btn-text:hover i{transform:translateX(4px)}
.btn-block{width:100%}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,245,251,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--text);letter-spacing:.2px}
.brand:hover{color:var(--text)}
.brand-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#9A6BFF);display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;box-shadow:0 6px 16px -8px rgba(108,59,244,.9)}
.main-nav{display:flex;align-items:center;gap:26px;flex:1}
.main-nav a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:20px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transition:transform .18s ease}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-box{position:relative}
.search-box i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--text-3)}
.search-box input{height:40px;width:220px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;padding:0 16px 0 36px;font-size:14px;color:var(--text);outline:none;transition:border-color .18s ease,box-shadow .18s ease;margin:0}
.search-box input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,59,244,.16)}
.nav-login{font-size:15px;font-weight:600;color:var(--text-2);padding:0 4px;min-height:44px;display:inline-flex;align-items:center}
.nav-login:hover{color:var(--brand)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:76px 0 132px}
.hero-glow{position:absolute;right:-180px;top:-200px;width:680px;height:680px;background:radial-gradient(circle at 35% 35%,rgba(108,59,244,.62),transparent 65%),radial-gradient(circle at 68% 72%,rgba(36,224,176,.34),transparent 62%);pointer-events:none}
.hero-dots{position:absolute;left:24px;bottom:40px;width:180px;height:120px;background-image:radial-gradient(rgba(255,255,255,.26) 1px,transparent 1px);background-size:14px 14px;pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#D6C9FF;border:1px solid rgba(108,59,244,.7);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:22px;background:rgba(108,59,244,.16)}
.hero h1{color:#fff;font-size:clamp(32px,5vw,52px);line-height:1.15;font-weight:800;margin-bottom:18px;letter-spacing:-.5px}
.hero-sub{font-size:17px;line-height:1.75;color:rgba(255,255,255,.76);max-width:520px;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 22px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.78)}
.hero-points i{color:var(--mint);font-size:13px}
.hero-visual{position:relative;margin-top:34px}
.hero-img{border-radius:28px;overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:0 30px 60px -24px rgba(0,0,0,.7)}
.hero-img img{width:100%;aspect-ratio:16/9;object-fit:cover}
.float-card{position:absolute;left:-16px;bottom:-24px;background:#fff;border-radius:var(--r-c);padding:14px 18px;box-shadow:var(--sh3);color:var(--text);min-width:172px}
.float-card .fc-num{font-size:24px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.2}
.float-card .fc-label{font-size:13px;color:var(--text-3)}

/* 指标面板 */
.metrics{margin-top:-72px;position:relative;z-index:6;padding-bottom:8px}
.stat-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-h);box-shadow:var(--sh3);padding:30px 10px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.stat-item{text-align:center;padding:4px 16px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:30px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.stat-label{font-size:13px;color:var(--text-3);margin-top:4px}

/* 功能分组 */
.feat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-c);box-shadow:var(--sh1);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.feat-media{overflow:hidden;background:var(--brand-soft)}
.feat-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.feat-card:hover .feat-media img{transform:scale(1.04)}
.feat-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.feat-card.lead .feat-body{padding:26px}
.feat-title{font-size:20px;font-weight:600;line-height:1.35}
.feat-card.lead .feat-title{font-size:22px}
.feat-text{font-size:15px;color:var(--text-2);margin:0}
.feat-list{display:flex;flex-direction:column;gap:10px;margin-top:2px}
.feat-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.feat-list i{color:var(--ok);font-size:13px;margin-top:5px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill);padding:4px 12px}
.tag.mint{color:#0B7F66;background:rgba(36,224,176,.16)}
.feat-foot{margin-top:auto;padding-top:8px}
.strip-row{margin-top:14px}
.strip-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-c);padding:22px;height:100%;box-shadow:var(--sh1);transition:box-shadow .18s ease,transform .18s ease}
.strip-item:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.strip-icon{width:44px;height:44px;flex:0 0 44px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),#9A6BFF);color:#fff;font-size:17px}
.strip-icon.mint{background:linear-gradient(135deg,#17B890,var(--mint))}
.strip-icon.orange{background:linear-gradient(135deg,var(--orange),#FFB27A)}
.strip-title{font-size:16px;font-weight:600;margin-bottom:6px}
.strip-text{font-size:14px;color:var(--text-2);margin:0}

/* 使用场景 */
.scene-list{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative}
.scene-list::before{content:"";position:absolute;top:32px;left:12%;right:12%;border-top:2px dashed rgba(108,59,244,.28);z-index:0}
.scene-item{position:relative;z-index:1}
.scene-num{display:inline-block;background:var(--bg);padding:0 16px 0 0;font-size:44px;font-weight:800;line-height:1.1;color:transparent;-webkit-text-stroke:1.5px var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.scene-title{font-size:18px;font-weight:600;margin:14px 0 8px}
.scene-text{font-size:15px;color:var(--text-2);margin:0}

/* 案例 */
.case-block{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
.case-block:last-child{margin-bottom:0}
.case-block.reverse .case-media{order:2}
.case-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-p);box-shadow:var(--sh2)}
.case-metric{font-size:30px;font-weight:800;color:var(--ok);line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:.02em;margin-bottom:6px}
.case-metric span{font-size:15px;font-weight:600;color:var(--text-2);margin-left:8px;letter-spacing:0}
.case-title{font-size:20px;font-weight:600;margin-bottom:10px}
.case-quote{font-size:15px;color:var(--text-2);margin:0}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-p);padding:30px 26px;box-shadow:var(--sh1);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.price-card.featured{border-color:var(--brand);box-shadow:var(--sh3);position:relative}
.price-badge{position:absolute;top:-13px;left:26px;background:var(--orange);color:#fff;font-size:12px;font-weight:700;border-radius:var(--r-pill);padding:5px 14px}
.price-name{font-size:18px;font-weight:600}
.price-value{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em;margin:14px 0 4px}
.price-value small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:6px;letter-spacing:0}
.price-note{font-size:13px;color:var(--text-3);margin-bottom:18px}
.price-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.price-list i{color:var(--ok);font-size:13px;margin-top:5px}
.price-card .btn{margin-top:auto}

/* 最新信息 */
.post-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-c);overflow:hidden;box-shadow:var(--sh1);transition:transform .18s ease,box-shadow .18s ease;color:inherit}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);color:inherit}
.post-media{position:relative;background:var(--brand-soft);overflow:hidden}
.post-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-media img{transform:scale(1.04)}
.post-badge{position:absolute;left:12px;top:12px;background:rgba(14,10,28,.74);color:#fff;font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:4px 12px;backdrop-filter:blur(6px)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-sum{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.post-foot i{color:var(--brand);transition:transform .18s ease}
.post-card:hover .post-foot i{transform:translateX(4px)}
.empty-state{background:#FBFaff;border:1px dashed rgba(108,59,244,.35);border-radius:var(--r-p);padding:56px 24px;text-align:center}
.empty-state i{font-size:30px;color:var(--brand);margin-bottom:14px;display:block}
.empty-state p{font-size:14px;color:var(--text-2);margin:0 0 18px}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:box-shadow .18s ease,background .18s ease}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:18px 56px 18px 20px;font-size:16px;font-weight:600;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:700;color:var(--brand);line-height:1}
.faq-item[open]{background:#FAF9FF;box-shadow:inset 3px 0 0 var(--brand),var(--sh1)}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 22px 18px;font-size:15px;color:var(--text-2);margin:0}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-h);padding:56px;color:#fff;background:linear-gradient(115deg,rgba(14,10,28,.94),rgba(30,16,72,.9)),url(/assets/images/backpic/back-2.png) center/cover no-repeat}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.78);max-width:560px;font-size:15px;margin-bottom:26px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 26px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{box-shadow:none}
.footer-intro{font-size:14px;color:rgba(255,255,255,.62);max-width:300px;margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.66);padding:6px 0}
.footer-col a:hover{color:#fff}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66);padding:6px 0}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

@media (max-width:1023px){
  .main-nav{position:fixed;top:56px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh2);padding:8px 16px 16px}
  .site-header.nav-open .main-nav{display:flex}
  .main-nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .main-nav a::after{display:none}
  .nav-wrap{height:56px}
  .nav-toggle{display:inline-flex}
  .search-box,.nav-login{display:none}
  .stat-panel{grid-template-columns:repeat(2,1fr);row-gap:20px}
  .stat-item:nth-child(2){border-right:0}
  .price-grid{grid-template-columns:1fr}
  .case-block{grid-template-columns:1fr;gap:28px;margin-bottom:48px}
  .case-block.reverse .case-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-sm{padding:48px 0}
  .container{padding:0 16px}
  .grid-x{margin-left:-10px;margin-right:-10px}
  .grid-x>.cell{padding-left:10px;padding-right:10px}
  .hero{padding:56px 0 108px}
  .hero-sub{font-size:16px}
  .stat-num{font-size:26px}
  .scene-list{grid-template-columns:1fr;gap:32px}
  .scene-list::before{display:none}
  .cta-band{padding:34px 22px;border-radius:var(--r-p)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .float-card{left:12px;bottom:-18px}
  .sec-head{margin-bottom:28px}
}
@media (max-width:519px){
  .hero-cta .btn{width:100%}
  .cta-actions .btn{width:100%}
  .stat-panel{grid-template-columns:1fr 1fr;padding:22px 6px}
  .stat-item{padding:4px 8px}
}

/* roulang page: category1 */
:root{
  --purple:#6C3BF4;
  --purple-deep:#4C24B8;
  --mint:#24E0B0;
  --orange:#FF7A3D;
  --dark:#0E0A1C;
  --page:#F6F5FB;
  --card:#FFFFFF;
  --text:#14102A;
  --text-2:#56526B;
  --text-3:#8B87A0;
  --line:#E7E4F2;
  --success:#17B890;
  --warn:#F5A524;
  --danger:#E5484D;
  --r-s:8px;
  --r-c:16px;
  --r-p:24px;
  --r-h:32px;
  --sh-1:0 1px 2px rgba(16,12,40,.06);
  --sh-2:0 8px 24px -8px rgba(20,16,42,.14);
  --sh-3:0 20px 48px -16px rgba(76,36,184,.28);
  --s4:4px; --s8:8px; --s12:12px; --s16:16px; --s24:24px; --s32:32px; --s48:48px; --s64:64px; --s88:88px;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--page);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--purple);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--purple-deep);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.25;}
h1{font-size:clamp(32px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3vw,36px);}
h3{font-size:21px;line-height:1.35;font-weight:600;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--purple);outline-offset:2px;border-radius:6px;}

/* ---------- Foundation 覆盖 ---------- */
body, .grid-container, .grid-x, .cell{color:var(--text);}
a.button,button, .button{
  background:var(--purple);border:none;border-radius:999px;color:#fff;
  font-weight:600;letter-spacing:.02em;
}
.button:hover,.button:focus{background:var(--purple-deep);color:#fff;}
input,textarea,select{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:var(--s24);height:64px;}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--text);flex:0 0 auto;
}
.brand-mark{
  width:32px;height:32px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--purple),#8C63FF);
  color:#fff;font-size:15px;font-weight:800;box-shadow:0 6px 16px -6px rgba(108,59,244,.7);
}
.main-nav{display:flex;align-items:center;gap:var(--s24);margin-left:var(--s8);flex:1 1 auto;}
.main-nav a{
  position:relative;color:var(--text-2);font-size:15px;font-weight:600;padding:20px 0;
}
.main-nav a:hover{color:var(--purple);}
.main-nav a.active{color:var(--purple);}
.main-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;border-radius:2px;
  background:var(--purple);
}
.nav-actions{display:flex;align-items:center;gap:var(--s12);flex:0 0 auto;}
.search-box{
  position:relative;display:flex;align-items:center;
  width:230px;height:40px;border:1px solid var(--line);border-radius:999px;
  background:#fff;padding:0 14px;transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box i{color:var(--text-3);font-size:13px;margin-right:8px;}
.search-box input{
  border:none;background:transparent;height:38px;margin:0;padding:0;font-size:14px;color:var(--text);
  box-shadow:none;
}
.search-box input:focus{outline:none;box-shadow:none;}
.search-box:focus-within{border-color:var(--purple);box-shadow:0 0 0 3px rgba(108,59,244,.16);}
.nav-login{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--text-2);
}
.nav-login:hover{color:var(--purple);background:#F3F0FF;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
  cursor:pointer;border:none;
}
.btn-primary{background:var(--purple);color:#fff;box-shadow:0 8px 24px -10px rgba(108,59,244,.8);}
.btn-primary:hover{background:var(--purple-deep);color:#fff;transform:translateY(-2px);}
.btn-action{background:var(--orange);color:#fff;box-shadow:0 8px 22px -10px rgba(255,122,61,.85);}
.btn-action:hover{background:#F2661F;color:#fff;transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--purple);border:1.5px solid var(--purple);}
.btn-ghost:hover{background:var(--purple);color:#fff;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--purple);font-weight:600;font-size:15px;
}
.btn-link i{transition:transform var(--ease);}
.btn-link:hover i{transform:translateX(4px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:#fff;
  border:1px solid var(--line);color:var(--text);font-size:17px;align-items:center;justify-content:center;
}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:14px 0;flex-wrap:wrap;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--purple);}
.crumb .sep{color:#C9C5D8;}
.crumb .cur{color:var(--purple);font-weight:600;}

/* ---------- Hero 横幅 ---------- */
.channel-hero{
  position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(120deg,rgba(14,10,28,.94),rgba(76,36,184,.78)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.channel-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.35;pointer-events:none;
}
.channel-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(36,224,176,.16);border:1px solid rgba(36,224,176,.5);
  color:var(--mint);font-size:13px;font-weight:600;margin-bottom:18px;
}
.channel-hero h1{color:#fff;max-width:16em;}
.channel-hero .hero-sub{
  margin-top:18px;max-width:40em;color:rgba(255,255,255,.82);font-size:16px;line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:44px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.12);
}
.hero-stats .num{
  font-size:30px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.02em;
  line-height:1.2;
}
.hero-stats .num em{font-style:normal;color:var(--mint);font-size:18px;margin-left:2px;}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.65);margin-top:6px;}

/* ---------- 主体布局 ---------- */
.page-main{padding:56px 0 88px;}
.layout-row{gap:24px;}
.side-panel{
  position:sticky;top:88px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-p);
  padding:24px;box-shadow:var(--sh-1);
}
.side-panel h3{font-size:16px;margin-bottom:14px;}
.side-anchor a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  color:var(--text-2);font-size:14.5px;font-weight:600;transition:background var(--ease),color var(--ease);
}
.side-anchor a i{font-size:12px;color:var(--purple);opacity:.75;}
.side-anchor a:hover{background:#F3F0FF;color:var(--purple);}
.side-divider{height:1px;background:var(--line);margin:20px 0;}
.filter-title{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.08em;margin-bottom:12px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 13px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:13px;font-weight:600;
  transition:all var(--ease);
}
.chip:hover{border-color:var(--purple);color:var(--purple);}
.chip.on{background:#F3F0FF;border-color:#D6C9FF;color:var(--purple);}
.side-note{
  margin-top:20px;background:#FAF9FF;border:1px dashed #D6C9FF;border-radius:var(--r-c);
  padding:16px;font-size:13px;color:var(--text-2);line-height:1.7;
}
.side-note strong{color:var(--purple);}

/* ---------- 通用板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head h2{position:relative;padding-left:16px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--purple),var(--mint));
}
.sec-head p{margin:8px 0 0;color:var(--text-2);font-size:15px;}

/* ---------- 通道卡片 ---------- */
.card-grid{gap:20px;}
.ch-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-c);
  overflow:hidden;box-shadow:var(--sh-2);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.ch-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#D6C9FF;}
.ch-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EFEBFF;}
.ch-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.ch-card:hover .ch-thumb img{transform:scale(1.05);}
.badge{
  position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(14,10,28,.72);color:#fff;backdrop-filter:blur(6px);
}
.badge.mint{background:rgba(36,224,176,.92);color:#06301F;}
.badge.orange{background:rgba(255,122,61,.95);color:#fff;}
.badge.purple{background:rgba(108,59,244,.94);color:#fff;}
.ch-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.ch-body h3{font-size:18px;margin-bottom:10px;}
.ch-body p{color:var(--text-2);font-size:14.5px;line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ch-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.ch-foot .go{color:var(--purple);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.ch-foot .go i{transition:transform var(--ease);}
.ch-card:hover .ch-foot .go i{transform:translateX(4px);}
.tick{display:inline-flex;align-items:center;gap:6px;color:var(--success);font-weight:700;}

/* ---------- 状态条 ---------- */
.status-bar{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
  margin-bottom:32px;
}
.status-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-c);
  padding:18px 20px;box-shadow:var(--sh-1);display:flex;align-items:center;gap:14px;
}
.status-item .ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:#F3F0FF;color:var(--purple);font-size:17px;flex:0 0 auto;
}
.status-item .val{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.status-item .cap{font-size:13px;color:var(--text-3);}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative;}
.flow-item{position:relative;padding-left:0;}
.flow-item .no{
  font-size:44px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px rgba(108,59,244,.45);letter-spacing:.02em;font-variant-numeric:tabular-nums;
}
.flow-item h3{margin:14px 0 10px;font-size:19px;}
.flow-item p{color:var(--text-2);font-size:14.5px;margin:0;}
.flow-item::after{
  content:"";position:absolute;top:24px;right:-12px;width:24px;height:1px;
  background:repeating-linear-gradient(90deg,#C9C0EE 0 4px,transparent 4px 8px);
}
.flow-item:last-child::after{display:none;}

/* ---------- 场景区块 ---------- */
.scene-band{
  background:var(--dark);color:#fff;border-radius:var(--r-h);padding:56px 48px;position:relative;overflow:hidden;
}
.scene-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,244,.55),transparent 68%);
}
.scene-band h2{color:#fff;position:relative;z-index:2;}
.scene-band .lead{color:rgba(255,255,255,.72);margin-top:12px;max-width:44em;position:relative;z-index:2;}
.scene-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px;position:relative;z-index:2;
}
.scene-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-c);
  padding:22px;display:flex;gap:16px;transition:background var(--ease),transform var(--ease);
}
.scene-item:hover{background:rgba(255,255,255,.1);transform:translateY(-3px);}
.scene-item .si-ico{
  width:40px;height:40px;border-radius:11px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  background:rgba(36,224,176,.14);border:1px solid rgba(36,224,176,.4);color:var(--mint);font-size:16px;
}
.scene-item h4{color:#fff;font-size:16px;margin-bottom:8px;}
.scene-item p{color:rgba(255,255,255,.68);font-size:14px;margin:0;}

/* ---------- 排查列表 ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.check-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-c);padding:20px;
  display:flex;gap:14px;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease);
}
.check-item:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.check-item .num{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  background:#F3F0FF;color:var(--purple);font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.check-item h4{font-size:16px;margin-bottom:6px;}
.check-item p{font-size:14px;color:var(--text-2);margin:0;line-height:1.72;}

/* ---------- 图文卡 ---------- */
.spotlight{
  display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-p);padding:32px;box-shadow:var(--sh-1);
}
.spotlight .pic{border-radius:var(--r-c);overflow:hidden;aspect-ratio:16/9;background:#EFEBFF;}
.spotlight .pic img{width:100%;height:100%;object-fit:cover;}
.spotlight h3{font-size:24px;margin-bottom:14px;}
.spotlight p{color:var(--text-2);font-size:15px;margin-bottom:16px;}
.spot-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);margin-bottom:10px;}
.spot-list i{color:var(--mint);margin-top:5px;font-size:13px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-c);margin-bottom:12px;
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:#D6C9FF;box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .fi{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;position:relative;
  background:#F3F0FF;border:1px solid #D6C9FF;
}
.faq-item summary .fi::before,
.faq-item summary .fi::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--purple);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .fi::before{width:11px;height:2px;}
.faq-item summary .fi::after{width:2px;height:11px;transition:opacity var(--ease);}
.faq-item[open] summary .fi::after{opacity:0;}
.faq-item[open] summary{color:var(--purple);}
.faq-ans{
  padding:0 20px 20px 20px;border-left:3px solid var(--purple);margin-left:0;
  color:var(--text-2);font-size:14.5px;line-height:1.8;background:#FAF9FF;
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#1A1233,#3B1E8F 55%,#6C3BF4);
  border-radius:var(--r-h);padding:52px 48px;color:#fff;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;left:-80px;bottom:-120px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(36,224,176,.35),transparent 70%);
}
.cta-band h2{color:#fff;position:relative;z-index:2;font-size:clamp(22px,2.6vw,32px);}
.cta-band p{color:rgba(255,255,255,.76);margin:12px 0 0;position:relative;z-index:2;max-width:40em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B0817;color:rgba(255,255,255,.72);margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-intro{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:26em;margin:0;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.footer-col a{display:block;color:rgba(255,255,255,.62);font-size:14px;padding:6px 0;transition:color var(--ease);}
.footer-col a:hover{color:var(--mint);}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.6);padding:6px 0;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 32px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{
    position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:12px 24px 20px;border-bottom:1px solid var(--line);box-shadow:var(--sh-2);
    display:none;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:14px 0;border-bottom:1px solid var(--line);}
  .main-nav a.active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .nav-login{display:none;}
  .nav-wrap{gap:12px;justify-content:space-between;}
  .side-panel{position:static;margin-bottom:24px;}
  .spotlight{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;padding:48px 0 32px;}
  .scene-band{padding:40px 28px;}
  .cta-band{padding:40px 28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .channel-hero .container{padding-top:44px;padding-bottom:44px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .page-main{padding:40px 0 64px;}
  .status-bar{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;gap:28px;}
  .flow-item::after{display:none;}
  .scene-grid{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
  .spotlight{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
  body{font-size:15px;}
}
@media (max-width:519px){
  .brand span:last-child{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;}
}

/* roulang page: article */
:root{
  --purple:#6C3BF4;
  --purple-dark:#5527D8;
  --purple-soft:#F1ECFE;
  --mint:#24E0B0;
  --orange:#FF7A3D;
  --orange-dark:#F0631F;
  --dark:#0E0A1C;
  --dark-2:#1A1430;
  --bg:#F6F5FB;
  --card:#FFFFFF;
  --text:#14102A;
  --text-2:#56526B;
  --text-3:#8B87A0;
  --line:#E7E4F2;
  --ok:#17B890;
  --warn:#F5A524;
  --danger:#E5484D;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,12,40,.06);
  --sh-2:0 8px 24px -8px rgba(20,16,42,.14);
  --sh-3:0 20px 48px -16px rgba(76,36,184,.28);
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;--s9:88px;
  --container:1200px;
  --t:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--purple);text-decoration:none;}
a:hover{color:var(--purple-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--purple);outline-offset:2px;}
::selection{background:var(--purple);color:#fff;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--purple);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{background:var(--purple-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-ghost{background:#fff;color:var(--purple);border-color:var(--purple);}
.btn-ghost:hover{background:var(--purple);color:#fff;}
.btn-action{background:var(--orange);color:#fff;box-shadow:0 8px 20px -8px rgba(255,122,61,.75);}
.btn-action:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--purple);min-height:44px;}
.btn-link i{transition:transform var(--t);}
.btn-link:hover i{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 12px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  line-height:1.7;
  background:var(--purple-soft);
  color:var(--purple);
}
.badge-mint{background:rgba(36,224,176,.16);color:#0E9C79;}
.badge-dark{background:rgba(255,255,255,.12);color:#fff;}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:14px;
  transition:all var(--t);
}
.tag:hover{border-color:var(--purple);color:var(--purple);background:var(--purple-soft);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,245,251,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:64px;
  flex-wrap:nowrap;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.2px;
  flex:0 0 auto;
}
.brand:hover{color:var(--text);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--purple) 0%,#8A5BFF 100%);
  color:#fff;
  font-size:17px;
  font-weight:700;
  box-shadow:0 6px 16px -6px rgba(108,59,244,.8);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:64px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:color var(--t);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:12px;
  height:2px;
  border-radius:2px;
  background:var(--purple);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.main-nav a:hover{color:var(--text);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--purple);font-weight:600;}
.main-nav a.active::after{transform:scaleX(1);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  width:230px;
  height:44px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  padding:0 16px;
  gap:10px;
  transition:border-color var(--t),box-shadow var(--t);
}
.search-box:focus-within{border-color:var(--purple);box-shadow:0 0 0 3px rgba(108,59,244,.18);}
.search-box i{color:var(--text-3);font-size:14px;}
.search-box input{
  flex:1 1 auto;
  border:0;
  outline:0;
  background:transparent;
  font-size:14px;
  color:var(--text);
  height:100%;
  padding:0;
}
.search-box input::placeholder{color:var(--text-3);}
.nav-login{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 6px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
}
.nav-login:hover{color:var(--purple);}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:17px;
  cursor:pointer;
  transition:all var(--t);
}
.nav-toggle:hover{border-color:var(--purple);color:var(--purple);}

/* ============ 面包屑 ============ */
.crumb-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  padding:14px 0;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--purple);}
.crumb .sep{color:#C9C5DA;}
.crumb .current{color:var(--purple);font-weight:600;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.article-top{
  background:#fff;
  padding:40px 0 0;
}
.article-top-inner{max-width:900px;}
.article-title{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.4px;
  color:var(--text);
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:14px;
  color:var(--text-3);
  padding-bottom:28px;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#D4D0E4;}
.article-meta .mi{display:inline-flex;align-items:center;gap:6px;}
.article-meta .mi i{color:var(--purple);font-size:13px;}

/* ============ 封面 ============ */
.cover-wrap{
  background:#fff;
  padding-bottom:8px;
}
.cover-figure{
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:var(--purple-soft);
}
.cover-figure img{
  width:100%;
  aspect-ratio:21/9;
  object-fit:cover;
}
.cover-figure figcaption{
  font-size:13px;
  color:var(--text-3);
  text-align:center;
  padding:10px 16px 12px;
  background:#fff;
}

/* ============ 正文布局 ============ */
.article-section{padding:48px 0 88px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 260px;
  gap:56px;
  align-items:start;
}
.reading-col{max-width:820px;width:100%;}
.article-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px 44px;
  box-shadow:var(--sh-1);
  font-size:17px;
  line-height:1.9;
  color:#221C3B;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);
  line-height:1.35;
  font-weight:700;
  color:var(--text);
  border-left:4px solid var(--purple);
  padding-left:14px;
  margin:40px 0 16px;
  scroll-margin-top:96px;
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  color:var(--text);
  margin:28px 0 12px;
  scroll-margin-top:96px;
}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body blockquote{
  margin:0 0 1.2em;
  padding:16px 22px;
  background:var(--purple-soft);
  border-left:4px solid var(--purple);
  border-radius:0 12px 12px 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  border-radius:14px;
  margin:8px 0 6px;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:0 0 1.4em;}
.article-body figcaption{
  font-size:13px;
  color:var(--text-3);
  text-align:center;
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:0 0 1.4em;
  font-size:15px;
  border-radius:12px;
  overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
}
.article-body th{background:var(--purple-soft);color:var(--text);font-weight:600;}
.article-body tbody tr:nth-child(even){background:#FAF9FF;}
.article-body a{color:var(--purple);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--purple-dark);}
.article-body code{
  background:var(--purple-soft);
  color:var(--purple-dark);
  padding:2px 6px;
  border-radius:6px;
  font-size:14px;
}
.article-body hr{
  border:0;
  border-top:1px dashed var(--line);
  margin:32px 0;
}

/* 空态 */
.article-empty{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:64px 32px;
  text-align:center;
}
.article-empty .empty-icon{
  width:64px;height:64px;border-radius:20px;
  background:var(--purple-soft);
  color:var(--purple);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:26px;margin-bottom:18px;
}
.article-empty h2{font-size:20px;font-weight:700;margin-bottom:10px;}
.article-empty p{color:var(--text-2);font-size:15px;margin-bottom:22px;}

/* ============ 侧栏目录 ============ */
.toc-col{
  position:sticky;
  top:88px;
}
.toc-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:20px;
}
.toc-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:12px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.toc-title i{color:var(--purple);}
.toc-list a{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:var(--text-2);
  padding:7px 10px;
  border-radius:8px;
  border-left:2px solid transparent;
  transition:all var(--t);
}
.toc-list a:hover{background:var(--purple-soft);color:var(--purple);}
.toc-list a.active{color:var(--purple);font-weight:600;border-left-color:var(--purple);background:var(--purple-soft);}
.toc-empty{font-size:13px;color:var(--text-3);}
.toc-toggle{
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  width:100%;
  min-height:48px;
  padding:0 16px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  margin-bottom:16px;
  box-shadow:var(--sh-1);
}
.toc-toggle i{color:var(--purple);}
.toc-toggle .chev{transition:transform var(--t);}
.toc-toggle[aria-expanded="true"] .chev{transform:rotate(180deg);}
.toc-mobile{display:none;margin-bottom:20px;}
.toc-mobile.open .toc-card{display:block;}

/* ============ 标签区 ============ */
.tag-section{
  margin-top:28px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-1);
}
.tag-section h3{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.tag-section h3 i{color:var(--purple);}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 相关推荐 ============ */
.related-section{padding:0 0 88px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-head h2{
  position:relative;
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  letter-spacing:-.3px;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  bottom:8px;
  width:4px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--purple),var(--mint));
}
.section-head p{font-size:14px;color:var(--text-2);}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#DAD3F5;}
.post-thumb{
  position:relative;
  overflow:hidden;
  background:var(--purple-soft);
}
.post-thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform 320ms ease-out;
}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-thumb .badge{
  position:absolute;
  top:12px;
  left:12px;
  background:rgba(14,10,28,.78);
  color:#fff;
  backdrop-filter:blur(6px);
}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
  padding-top:14px;
  border-top:1px solid var(--line);
}
.post-foot .arrow{color:var(--purple);transition:transform var(--t);}
.post-card:hover .post-foot .arrow{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-section{padding:0 0 88px;}
.faq-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:12px 28px;
  box-shadow:var(--sh-1);
}
.faq-panel .accordion{border:0;background:transparent;margin:0;}
.faq-panel .accordion-item{border-bottom:1px solid var(--line);}
.faq-panel .accordion-item:last-child{border-bottom:0;}
.faq-panel .accordion-title{
  border:0;
  border-left:3px solid transparent;
  background:transparent;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  line-height:1.5;
  padding:20px 44px 20px 16px;
  transition:all var(--t);
}
.faq-panel .accordion-title:hover{color:var(--purple);background:#FAF9FF;}
.faq-panel .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--purple);
  right:16px;
  margin-top:-7px;
}
.faq-panel .accordion-item.is-active .accordion-title{
  color:var(--purple);
  border-left-color:var(--purple);
  background:#FAF9FF;
}
.faq-panel .accordion-item.is-active .accordion-title::before{content:"\f068";}
.faq-panel .accordion-content{
  border:0;
  background:#FAF9FF;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
  padding:4px 24px 22px 32px;
  border-left:3px solid var(--purple);
}

/* ============ 底部 CTA ============ */
.cta-section{padding:0 0 96px;}
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--dark);
  color:#fff;
  padding:64px 56px;
  box-shadow:var(--sh-3);
}
.cta-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(560px 300px at 88% 12%, rgba(108,59,244,.55), transparent 68%),
    radial-gradient(420px 260px at 6% 92%, rgba(36,224,176,.30), transparent 70%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.55;
}
.cta-panel::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px);
  background-size:22px 22px;
  opacity:.35;
}
.cta-inner{position:relative;z-index:2;max-width:620px;}
.cta-inner h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.4px;
  margin-bottom:16px;
}
.cta-inner p{color:rgba(255,255,255,.78);font-size:16px;margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-panel .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-panel .btn-ghost:hover{background:#fff;color:var(--dark);border-color:#fff;}
.cta-points{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;gap:22px;
  margin-top:32px;
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.cta-points span{display:inline-flex;align-items:center;gap:8px;}
.cta-points i{color:var(--mint);}

/* ============ 返回列表 ============ */
.back-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  margin-bottom:48px;
}
.back-row .bl-text{font-size:15px;color:var(--text-2);}
.back-row .bl-text strong{color:var(--text);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-intro{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.62);
  padding:6px 0;
  transition:color var(--t),transform var(--t);
}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);padding:6px 0;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 覆盖 Foundation 默认 ============ */
.accordion,.accordion-item,.accordion-title,.accordion-content{box-shadow:none;}
.accordion-title{display:block;position:relative;}
.accordion-content[aria-hidden="true"]{display:none;}
.accordion-title::after{border:0;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .article-layout{gap:40px;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .nav-wrap{flex-wrap:wrap;min-height:56px;padding:6px 0;gap:12px;}
  .nav-actions{display:contents;}
  .brand{font-size:18px;flex:1 1 auto;}
  .nav-toggle{display:inline-flex;order:2;}
  .main-nav{
    order:10;
    flex:0 0 100%;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    display:none;
    padding:8px 0 4px;
    border-top:1px solid var(--line);
    margin-top:6px;
  }
  .main-nav a{height:46px;padding:0 6px;font-size:15px;border-radius:10px;}
  .main-nav a::after{display:none;}
  .main-nav a.active{background:var(--purple-soft);padding-left:12px;}
  .search-box,.nav-login,.btn-action{display:none;order:11;flex:0 0 100%;margin-top:10px;}
  .site-header.nav-open .main-nav{display:flex;}
  .site-header.nav-open .search-box{display:flex;width:100%;}
  .site-header.nav-open .nav-login{display:inline-flex;justify-content:center;color:var(--purple);border:1.5px solid var(--purple);border-radius:var(--r-pill);min-height:46px;}
  .site-header.nav-open .btn-action{display:inline-flex;}
  .article-top{padding:28px 0 0;}
  .article-section{padding:32px 0 64px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc-col{display:none;}
  .toc-mobile{display:block;}
  .toc-mobile .toc-card{display:none;position:static;}
  .toc-mobile.open .toc-card{display:block;}
  .toc-toggle{display:flex;}
  .article-body{padding:28px 24px;font-size:16px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{padding:48px 32px;}
  .cta-section{padding-bottom:72px;}
  .related-section,.faq-section{padding-bottom:64px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .brand span:last-child{font-size:16px;}
  .article-title{font-size:24px;}
  .crumb .current{max-width:52vw;}
  .cover-figure img{aspect-ratio:16/9;}
  .article-body{padding:22px 18px;font-size:15px;border-radius:var(--r-md);}
  .article-body p{font-size:15px;line-height:1.85;}
  .related-grid{grid-template-columns:1fr;}
  .faq-panel{padding:6px 16px;}
  .faq-panel .accordion-title{font-size:15px;padding:16px 40px 16px 12px;}
  .faq-panel .accordion-content{padding:0 16px 18px 20px;font-size:14px;}
  .cta-panel{padding:40px 22px;border-radius:var(--r-lg);}
  .cta-actions .btn{width:100%;}
  .cta-points{gap:14px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .back-row{padding:18px 18px;}
  .tag-section{padding:18px;}
  .article-meta{gap:10px;font-size:13px;}
}

/* roulang page: category2 */
:root{
  --brand:#6C3BF4;
  --brand-deep:#5A2BE0;
  --brand-soft:#F3EFFF;
  --mint:#24E0B0;
  --orange:#FF7A3D;
  --ink:#0E0A1C;
  --page:#F6F5FB;
  --card:#FFFFFF;
  --t1:#14102A;
  --t2:#56526B;
  --t3:#8B87A0;
  --line:#E7E4F2;
  --ok:#17B890;
  --warn:#F5A524;
  --danger:#E5484D;
  --r-sm:8px;
  --r-card:16px;
  --r-panel:24px;
  --r-hero:32px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,12,40,.06);
  --sh2:0 8px 24px -8px rgba(20,16,42,.14);
  --sh3:0 20px 48px -16px rgba(76,36,184,.28);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;background-color:transparent;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;font-family:inherit;color:inherit;}
ul,ol{padding:0;list-style:none;}
h1{font-size:clamp(32px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin:0;}
h3{font-size:20px;line-height:1.35;font-weight:600;margin:0;}
h4{font-size:16px;line-height:1.4;font-weight:700;margin:0;}
p{font-size:16px;line-height:1.75;color:var(--t2);}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 var(--sp-5);width:100%;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:0;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -12px rgba(108,59,244,.95);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(108,59,244,1);}
.btn-outline{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-action{background:var(--orange);color:#fff;box-shadow:0 10px 26px -14px rgba(255,122,61,.95);}
.btn-action:hover{background:#F0692C;color:#fff;transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(255,122,61,.85);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:15px;background:none;border:0;padding:0;}
.btn-text i{transition:transform .18s ease-out;}
.btn-text:hover i{transform:translateX(4px);}
.btn-block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:var(--sp-5);height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--t1);letter-spacing:-.01em;flex:0 0 auto;}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#8C63FF);
  color:#fff;font-size:16px;font-weight:800;
  box-shadow:0 6px 16px -6px rgba(108,59,244,.75);
  flex:0 0 auto;
}
.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav > a{
  position:relative;display:flex;align-items:center;height:64px;
  padding:0 12px;font-size:15px;font-weight:600;color:var(--t2);
  transition:color .18s ease-out;
}
.main-nav > a:hover{color:var(--brand);}
.main-nav > a.active{color:var(--brand);}
.main-nav > a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:var(--sp-3);}
.search-box{position:relative;display:flex;align-items:center;}
.search-box i{position:absolute;left:15px;font-size:13px;color:var(--t3);pointer-events:none;}
.search-box input{
  height:42px;width:230px;padding:0 16px 0 38px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:#FBFAFF;font-size:14px;color:var(--t1);
  transition:border-color .18s ease-out,box-shadow .18s ease-out,background .18s ease-out;
}
.search-box input::placeholder{color:var(--t3);}
.search-box input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(108,59,244,.18);}
.nav-login{font-size:14px;font-weight:600;color:var(--t2);padding:8px 2px;transition:color .18s ease-out;}
.nav-login:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--t1);font-size:17px;
  align-items:center;justify-content:center;
}
.nav-search-mobile{display:none;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);padding:12px 0;flex-wrap:wrap;}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9C4DA;}
.crumb .current{color:var(--brand);font-weight:600;}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-color:var(--ink);
  background-image:linear-gradient(100deg,rgba(14,10,28,.94) 0%,rgba(14,10,28,.78) 46%,rgba(14,10,28,.42) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  padding:64px 0 72px;
}
.page-hero::before{
  content:"";position:absolute;top:-140px;right:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,244,.55) 0%,rgba(36,224,176,.16) 45%,rgba(14,10,28,0) 72%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:14px 14px;opacity:.5;pointer-events:none;
}
.hero-flex{position:relative;z-index:2;display:grid;grid-template-columns:1.45fr 1fr;gap:var(--sp-7);align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;font-weight:700;letter-spacing:.04em;
  background:rgba(36,224,176,.14);color:#8BF4D6;border:1px solid rgba(36,224,176,.36);
  margin-bottom:var(--sp-5);
}
.page-hero h1{color:#fff;max-width:16em;}
.page-hero h1 em{font-style:normal;color:var(--mint);}
.hero-lead{margin-top:var(--sp-5);font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-4);margin-top:var(--sp-6);}
.hero-panel{
  background:rgba(255,255,255,.96);
  border-radius:var(--r-panel);
  padding:var(--sp-5) var(--sp-5) var(--sp-4);
  box-shadow:var(--sh3);
  border:1px solid rgba(255,255,255,.6);
}
.hero-panel h3{font-size:16px;color:var(--t1);display:flex;align-items:center;gap:8px;margin-bottom:var(--sp-4);}
.hero-panel h3 i{color:var(--brand);font-size:14px;}
.hero-panel ul{display:grid;gap:12px;}
.hero-panel li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.6;color:var(--t2);}
.hero-panel li i{color:var(--ok);font-size:13px;margin-top:5px;}
.hero-panel .panel-foot{
  margin-top:var(--sp-4);padding-top:var(--sp-4);border-top:1px dashed var(--line);
  font-size:13px;color:var(--t3);
}

/* ---------- 锚点 Tab ---------- */
.anchor-bar{
  position:sticky;top:64px;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--sh1);
}
.anchor-scroll{display:flex;gap:var(--sp-4);overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:var(--r-pill);background:var(--page);color:var(--t2);
  font-size:14px;font-weight:600;border:1px solid transparent;
  transition:all .18s ease-out;
}
.anchor-scroll a:hover{background:var(--brand-soft);color:var(--brand);border-color:#DCD2FB;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-9) 0;}
.section.tight{padding:var(--sp-8) 0;}
.section-alt{background:#fff;}
.section-ink{background:var(--ink);color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);margin-bottom:var(--sp-7);flex-wrap:wrap;}
.sec-title{position:relative;padding-left:16px;color:var(--t1);}
.sec-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--mint));
}
.sec-sub{margin-top:10px;padding-left:16px;font-size:15px;color:var(--t2);max-width:56em;}
.section-ink .sec-title{color:#fff;}
.section-ink .sec-sub{color:rgba(255,255,255,.7);}

/* ---------- 指标条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-4);}
.stat-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh1);transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.stat-item .v{font-size:30px;font-weight:800;color:var(--brand);line-height:1.15;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.stat-item .v small{font-size:15px;font-weight:700;margin-left:2px;color:var(--brand);}
.stat-item .k{margin-top:6px;font-size:13px;color:var(--t3);}

/* ---------- 礼包行式列表 ---------- */
.gift-grid.grid-x{margin:0;}
.gift-grid > .cell{padding:0 10px 20px;}
.row-card{
  display:flex;gap:18px;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:#DCD2FB;}
.row-thumb{
  flex:0 0 200px;width:200px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;
  background:#EFEBFF;position:relative;
}
.row-thumb img{width:100%;height:100%;object-fit:cover;}
.row-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.row-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px;}
.badge{
  display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-mint{background:rgba(36,224,176,.14);color:#0E9179;}
.badge-purple{background:var(--brand-soft);color:var(--brand);}
.badge-orange{background:rgba(255,122,61,.13);color:#D9551D;}
.row-card h3{font-size:18px;color:var(--t1);margin-bottom:6px;}
.row-card p{font-size:14px;line-height:1.7;color:var(--t2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.row-foot{
  margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--t3);
}
.row-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px;}
.row-foot .go i{transition:transform .18s ease-out;}
.row-card:hover .row-foot .go i{transform:translateX(4px);}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);}
.scene-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.scene-num{
  font-size:56px;font-weight:800;line-height:1;letter-spacing:.02em;
  color:transparent;-webkit-text-stroke:2px #D6CEF2;margin-bottom:16px;
}
.scene-card h3{font-size:19px;margin-bottom:10px;}
.scene-card p{font-size:14.5px;line-height:1.75;}
.scene-card .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--page);color:var(--t2);font-size:12.5px;font-weight:600;border:1px solid var(--line);}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.flow-step::after{
  content:"";position:absolute;top:44px;right:-16px;width:16px;
  border-top:2px dashed #D6CEF2;
}
.flow-step:last-child::after{display:none;}
.flow-idx{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:14px;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item.open{border-color:#DCD2FB;box-shadow:var(--sh2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--t1);line-height:1.5;
}
.faq-q .ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:12px;transition:background .18s ease-out,color .18s ease-out;
}
.faq-item.open .faq-q .ico{background:var(--brand);color:#fff;}
.faq-a{display:none;padding:0 22px 22px;border-left:3px solid var(--brand);background:#FAF9FF;margin:0 0 0 0;}
.faq-item.open .faq-a{display:block;padding-top:16px;}
.faq-a p{font-size:14.5px;line-height:1.8;color:var(--t2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-hero);
  background-color:var(--ink);
  background-image:linear-gradient(115deg,rgba(14,10,28,.95) 0%,rgba(76,36,184,.72) 60%,rgba(36,224,176,.32) 100%),url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  padding:56px 48px;color:#fff;
  box-shadow:var(--sh3);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.35) 0%,rgba(14,10,28,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-7);flex-wrap:wrap;}
.cta-inner h2{color:#fff;max-width:20em;}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.76);font-size:15px;max-width:36em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--sp-6);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-intro{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:28em;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.64);padding:6px 0;transition:color .18s ease-out,transform .18s ease-out;}
.footer-col a:hover{color:var(--mint);transform:translateX(3px);}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.6);padding:6px 0;}
.footer-bottom{
  margin-top:var(--sp-7);padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .container{padding:0 20px;}
  .nav-wrap{height:56px;}
  .main-nav{
    display:none;position:absolute;top:56px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 16px 20px;box-shadow:var(--sh2);
    max-height:calc(100vh - 56px);overflow-y:auto;
  }
  .main-nav.open{display:flex;}
  .main-nav > a{height:50px;padding:0 6px;border-bottom:1px solid var(--line);font-size:15.5px;}
  .main-nav > a.active::after{display:none;}
  .search-box{display:none;}
  .nav-login{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-search-mobile{display:block;margin:14px 0 6px;}
  .nav-search-mobile input{width:100%;height:44px;border-radius:12px;border:1px solid var(--line);padding:0 14px;font-size:14px;}
  .nav-search-mobile input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,59,244,.18);}
  .anchor-bar{top:56px;}
  .hero-flex{grid-template-columns:1fr;gap:var(--sp-6);}
  .page-hero{padding:52px 0 60px;}
  .section{padding:64px 0;}
  .section.tight{padding:56px 0;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:1fr;gap:var(--sp-4);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .flow-step::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-5);}
  .cta-band{padding:44px 32px;}
}
@media screen and (max-width:639px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .brand{font-size:17px;}
  .brand-mark{width:30px;height:30px;font-size:14px;border-radius:9px;}
  .nav-actions .btn-action{min-height:38px;padding:0 14px;font-size:13.5px;}
  .page-hero{padding:40px 0 48px;}
  .hero-actions .btn{width:100%;}
  .row-card{flex-direction:column;gap:14px;}
  .row-thumb{flex:0 0 auto;width:100%;}
  .gift-grid > .cell{padding:0 0 16px;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-item{padding:18px;}
  .stat-item .v{font-size:24px;}
  .flow-grid{grid-template-columns:1fr;}
  .scene-num{font-size:44px;}
  .cta-band{padding:34px 22px;border-radius:var(--r-panel);}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-q{padding:16px;font-size:15px;}
  .faq-a{padding:0 16px 18px;}
  .section-head{margin-bottom:var(--sp-6);}
}

/* roulang page: category3 */
:root{
  --brand:#6C3BF4;
  --brand-dark:#5426D6;
  --brand-soft:#EDE7FF;
  --mint:#24E0B0;
  --mint-soft:#E2FBF4;
  --orange:#FF7A3D;
  --dark:#0E0A1C;
  --dark-2:#171129;
  --bg:#F6F5FB;
  --card:#FFFFFF;
  --text:#14102A;
  --text-2:#56526B;
  --text-3:#8B87A0;
  --line:#E7E4F2;
  --ok:#17B890;
  --warn:#F5A524;
  --danger:#E5484D;
  --r-s:8px;
  --r-c:16px;
  --r-p:24px;
  --r-h:32px;
  --pill:999px;
  --sh-1:0 1px 2px rgba(16,12,40,.06);
  --sh-2:0 8px 24px -8px rgba(20,16,42,.14);
  --sh-3:0 20px 48px -16px rgba(76,36,184,.28);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4,h5,p,ul,ol,dl,dd,dt,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit;font-size:inherit;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(108,59,244,.18)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--dark{background:var(--dark);color:#DCD8EC;position:relative;overflow:hidden}
.section--dark::after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;background:radial-gradient(circle,rgba(108,59,244,.55),rgba(36,224,176,.12) 55%,transparent 70%);pointer-events:none}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{position:relative;padding-left:16px;font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--mint))}
.section-head .section-note{font-size:14px;color:var(--text-3);max-width:46ch;line-height:1.7}
.section--dark .section-head h2{color:#fff}
.section--dark .section-note{color:#A7A2C0}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{position:relative;display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),#8E63FF);color:#fff;font-size:17px;font-weight:800;box-shadow:0 6px 16px -6px rgba(108,59,244,.75)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.main-nav a{position:relative;padding:8px 14px;border-radius:var(--pill);font-size:15px;color:var(--text-2);font-weight:500}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.main-nav a.active{color:var(--brand);font-weight:700}
.main-nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{position:relative;display:flex;align-items:center}
.search-box i{position:absolute;left:14px;font-size:13px;color:var(--text-3);pointer-events:none}
.search-box input[type="search"]{height:40px;width:230px;margin:0;border:1px solid var(--line);border-radius:var(--pill);background:#F8F7FD;padding:0 16px 0 38px;font-size:14px;color:var(--text);box-shadow:none;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease)}
.search-box input[type="search"]::placeholder{color:var(--text-3)}
.search-box input[type="search"]:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,59,244,.16)}
.nav-login{font-size:14px;color:var(--text-2);padding:8px 10px;border-radius:var(--r-s)}
.nav-login:hover{color:var(--brand);background:var(--brand-soft)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:var(--pill);border:1.5px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.btn i{font-size:13px;transition:transform var(--ease)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -12px rgba(108,59,244,.9)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -12px rgba(108,59,244,.95)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-action{background:var(--orange);color:#fff;box-shadow:0 10px 24px -12px rgba(255,122,61,.95)}
.btn-action:hover{background:#F06829;color:#fff;transform:translateY(-2px)}
.btn-text{background:none;border:0;padding:0;min-height:0;color:var(--brand);font-weight:600}
.btn-text:hover{color:var(--brand-dark)}
.btn-text:hover i{transform:translateX(4px)}
.btn-block{width:100%}

/* ===== 面包屑 ===== */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding-top:22px;flex-wrap:wrap}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .cur{color:var(--brand);font-weight:600}

/* ===== Hero ===== */
.hero-wrap{padding-top:24px}
.hero{position:relative;border-radius:var(--r-h);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2)}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr}
.hero-copy{padding:52px 48px 48px;position:relative;z-index:2}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:var(--pill);padding:6px 14px}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}
.hero h1{margin-top:20px;font-size:clamp(30px,4.4vw,46px);line-height:1.16;font-weight:800;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{margin-top:18px;font-size:17px;color:var(--text-2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:36px;padding-top:26px;border-top:1px dashed var(--line)}
.hero-stats .stat-num{font-size:29px;font-weight:800;color:var(--brand);letter-spacing:.02em;font-variant-numeric:tabular-nums;line-height:1.1}
.hero-stats .stat-label{font-size:13px;color:var(--text-3);margin-top:4px}
.hero-media{position:relative;background:var(--dark);min-height:340px}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;opacity:.9}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,10,28,.72),rgba(14,10,28,.18) 45%,rgba(108,59,244,.28))}
.hero-dots{position:absolute;left:0;right:0;bottom:0;height:90px;background-image:radial-gradient(rgba(36,224,176,.55) 1.4px,transparent 1.4px);background-size:14px 14px;opacity:.5;pointer-events:none}
.hero-float{position:absolute;right:22px;bottom:22px;z-index:3;background:rgba(255,255,255,.96);border-radius:var(--r-c);padding:14px 18px;box-shadow:var(--sh-3);min-width:190px}
.hero-float .float-title{font-size:12px;color:var(--text-3)}
.hero-float .float-value{font-size:16px;font-weight:700;color:var(--text);margin-top:2px;font-variant-numeric:tabular-nums}
.hero-float .float-tag{display:inline-block;margin-top:8px;font-size:12px;font-weight:600;color:#0B7A61;background:var(--mint-soft);border-radius:var(--pill);padding:3px 10px}

/* ===== 信息面板卡 ===== */
.panel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-p);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;height:100%;transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease)}
.panel-card:hover{box-shadow:var(--sh-3);transform:translateY(-4px);border-color:#DCD5F7}
.panel-thumb{position:relative;background:var(--brand-soft)}
.panel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.panel-index{position:absolute;left:16px;top:16px;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.94);color:var(--brand);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;box-shadow:var(--sh-1)}
.panel-body{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column}
.panel-body h3{font-size:20px;font-weight:700;line-height:1.35}
.panel-body .panel-desc{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.field-list{margin-top:18px;border-top:1px dashed var(--line)}
.field-row{display:flex;align-items:flex-start;gap:14px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}
.field-row dt{flex:0 0 68px;color:var(--text-3);margin:0}
.field-row dd{margin:0;color:var(--text);flex:1;font-weight:600}
.field-row dd a{font-weight:600}
.field-row dd .muted{color:var(--text-2);font-weight:500}

/* ===== 资讯导航卡 ===== */
.guide-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-c);padding:26px 24px;height:100%;display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease)}
.guide-card:hover{box-shadow:var(--sh-3);transform:translateY(-4px);border-color:#DCD5F7}
.guide-num{font-size:34px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.4px rgba(108,59,244,.55);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.guide-card h3{margin-top:14px;font-size:19px;font-weight:700}
.guide-card p{margin-top:10px;font-size:14px;color:var(--text-2);flex:1}
.guide-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-3)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;border-radius:var(--pill);padding:4px 11px}
.badge-mint{color:#0B7A61;background:var(--mint-soft)}
.badge-purple{color:var(--brand);background:var(--brand-soft)}
.badge-orange{color:#B4460F;background:#FFEDE3}
.badge-grey{color:var(--text-2);background:#F1F0F7}

/* ===== 时间轴 ===== */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,rgba(108,59,244,.6),rgba(36,224,176,.45),transparent)}
.tl-item{position:relative;padding:0 0 28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-34px;top:7px;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--brand);box-shadow:0 0 0 4px rgba(108,59,244,.1)}
.tl-date{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tl-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:6px;font-size:19px;font-weight:700}
.tl-text{margin-top:8px;font-size:15px;color:var(--text-2);max-width:62ch}
.tl-link{margin-top:10px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600}
.tl-link i{font-size:12px;transition:transform var(--ease)}
.tl-link:hover i{transform:translateX(4px)}

/* ===== 阅读路径 ===== */
.pathgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;position:relative;margin-top:8px}
.path-step{position:relative;padding:28px 24px;border-radius:var(--r-p);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}
.path-step .path-num{font-size:44px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.6px rgba(36,224,176,.7);font-variant-numeric:tabular-nums}
.path-step h3{margin-top:14px;color:#fff;font-size:19px;font-weight:700}
.path-step p{margin-top:10px;font-size:14.5px;color:#B7B2CE}
.path-connector{position:absolute;top:64px;left:0;right:0;height:0;border-top:1px dashed rgba(255,255,255,.22);z-index:0}

/* ===== FAQ ===== */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-c);margin-bottom:12px;overflow:hidden;transition:box-shadow var(--ease),background var(--ease)}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 22px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;cursor:pointer;color:var(--text)}
.faq-icon{flex:0 0 26px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-size:12px;transition:transform var(--ease),background var(--ease),color var(--ease)}
.faq-item.open{background:#FAF9FF;box-shadow:inset 3px 0 0 var(--brand),var(--sh-1)}
.faq-item.open .faq-icon{background:var(--brand);color:#fff;transform:rotate(180deg)}
.faq-panel{max-height:0;overflow:hidden;transition:max-height 280ms ease-out}
.faq-panel p{padding:0 22px 20px 22px;font-size:14.5px;color:var(--text-2);margin:0}

/* ===== CTA ===== */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-h);background:linear-gradient(120deg,#120D24,#241543 52%,#3A1E77);padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--sh-3)}
.cta-band::after{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(36,224,176,.32),transparent 65%)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;position:relative;z-index:1}
.cta-band p{margin-top:12px;color:#BDB7D6;font-size:15px;max-width:52ch;position:relative;z-index:1}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-ghost:hover{background:#fff;color:var(--dark);border-color:#fff}

/* ===== 页脚 ===== */
.site-footer{position:relative;background:var(--dark);color:#B9B4CE;margin-top:88px;padding:64px 0 28px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(108,59,244,.65),rgba(36,224,176,.5),transparent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px}
.footer-intro{margin-top:14px;font-size:14px;line-height:1.8;color:#9B96B4;max-width:36ch}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer-col a{display:block;color:#B9B4CE;font-size:14px;padding:6px 0}
.footer-col a:hover{color:#fff}
.footer-contact li{font-size:14px;padding:6px 0;color:#B9B4CE}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#8B87A0}

/* ===== 响应式 ===== */
@media (max-width:1180px){
  .search-box input[type="search"]{width:180px}
  .main-nav a{padding:8px 11px}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .search-box{display:none}
  .main-nav{display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-2);padding:14px 24px 18px;margin-left:0;border-radius:0 0 var(--r-p) var(--r-p)}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 10px;font-size:15px}
  .main-nav a.active::after{left:10px;right:auto;width:22px;bottom:8px}
  .hero-grid{grid-template-columns:1fr}
  .hero-media{min-height:280px}
  .hero-media img{aspect-ratio:21/9}
  .hero-copy{padding:40px 32px}
  .hero-float{right:16px;bottom:16px}
  .pathgrid{grid-template-columns:1fr;gap:18px}
  .path-connector{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  body{font-size:15px}
  .brand{font-size:17px}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:15px}
  .nav-login{display:none}
  .hero-copy{padding:32px 22px 34px}
  .hero-lead{font-size:15.5px}
  .hero-stats{gap:22px;margin-top:28px;padding-top:20px}
  .hero-stats .stat-num{font-size:24px}
  .hero-media{min-height:220px}
  .hero-media img{aspect-ratio:16/9}
  .panel-body{padding:20px}
  .cta-band{padding:34px 22px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 24px;margin-top:56px}
  .section-head{margin-bottom:26px}
}
@media (max-width:520px){
  .hero h1{font-size:27px}
  .field-row{flex-direction:column;gap:2px}
  .field-row dt{flex:none}
  .tl-title{font-size:17px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}