/* roulang page: index */
:root{
  --brand:#6A3DE8;
  --brand-2:#9B4DF0;
  --accent:#FF6B4A;
  --mint:#10C9A8;
  --ink:#1B1533;
  --ink-2:#4A4460;
  --ink-3:#7C7791;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --dark:#17122B;
  --line:#E8E4F5;
  --grad:linear-gradient(120deg,#6A3DE8 0%,#9B4DF0 46%,#FF6B4A 100%);
  --shadow:0 8px 24px rgba(27,21,51,.06);
  --shadow-hover:0 16px 40px rgba(106,61,232,.16);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.3;letter-spacing:-.01em}
h1{font-size:clamp(28px,4.4vw,46px);letter-spacing:-.02em;line-height:1.25}
h2{font-size:clamp(22px,2.6vw,32px)}
h3{font-size:18px;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit;color:inherit}
input,textarea,select{outline:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{margin-bottom:32px;max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);background:#F1EBFF;border-radius:999px;padding:5px 14px;margin-bottom:14px;letter-spacing:.02em}
.sec-sub{margin-top:12px;color:var(--ink-2);font-size:16px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .22s var(--ease),border-color .22s var(--ease)}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(27,21,51,.06)}
.nav-inner{display:flex;align-items:center;gap:18px;height:72px}
.logo{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:14px;box-shadow:0 6px 16px rgba(106,61,232,.32)}
.logo-text{font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap}
.logo-badge{
  font-size:12px;line-height:1;height:22px;display:inline-flex;align-items:center;padding:0 10px;border-radius:999px;font-weight:700;color:var(--brand);
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;border:1px solid transparent;white-space:nowrap;
}
.nav-search{flex:1 1 auto;max-width:460px;display:flex;align-items:center;height:46px;border-radius:999px;background:var(--bg);border:1px solid var(--line);padding-left:16px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.nav-search:focus-within{border-color:#C9B6FA;box-shadow:0 0 0 3px rgba(106,61,232,.12)}
.nav-search>i{color:var(--ink-3);font-size:14px}
.nav-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;height:100%;padding:0 12px;font-size:14px}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{border:0;height:100%;padding:0 22px;background:var(--grad);color:#fff;font-weight:700;font-size:14px;cursor:pointer;transition:filter .2s var(--ease)}
.nav-search button:hover{filter:brightness(1.07)}
.nav-links{display:flex;align-items:center;gap:14px;flex:0 1 auto;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{position:relative;font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;padding:6px 1px}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;background:var(--grad);opacity:0;transform:scaleX(.4);transition:opacity .22s var(--ease),transform .22s var(--ease)}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after,.nav-links a:hover::after{opacity:1;transform:scaleX(1)}
.nav-cta{flex:0 0 auto;padding:11px 22px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;font-size:16px}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;box-shadow:0 18px 30px rgba(27,21,51,.08)}
.mobile-panel.open{display:block}
.mobile-search{display:flex;align-items:center;height:48px;border-radius:999px;background:var(--bg);border:1px solid var(--line);padding-left:16px;margin-bottom:16px}
.mobile-search input{flex:1;min-width:0;border:0;background:transparent;height:100%;padding:0 12px;font-size:14px}
.mobile-search button{border:0;height:100%;padding:0 20px;background:var(--grad);color:#fff;font-weight:700;cursor:pointer}
.mobile-links{display:grid;gap:4px;margin-bottom:16px}
.mobile-links a{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:12px;color:var(--ink-2);font-weight:600;font-size:15px}
.mobile-links a:hover,.mobile-links a.active{background:#F1EBFF;color:var(--brand)}
.btn-block{width:100%}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;font-size:15px;font-weight:700;padding:14px 28px;border:1px solid transparent;cursor:pointer;text-align:center;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease)}
.btn i{font-size:13px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(106,61,232,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(106,61,232,.3)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:#F1EBFF;border-color:var(--brand);color:var(--brand)}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand)}
.btn-text i{transition:transform .22s var(--ease);font-size:12px}
.btn-text:hover i{transform:translateX(3px)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--grad);border-radius:0 0 34px 34px;padding:88px 0 104px;color:#fff}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:24px 24px;opacity:.45;pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:6fr 4fr;gap:48px;align-items:center}
.hero-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);margin-bottom:18px;backdrop-filter:blur(2px)}
.hero h1{color:#fff;margin-bottom:16px}
.hero-sub{font-size:16px;color:rgba(255,255,255,.9);max-width:520px;margin-bottom:26px}
.hero-search{display:flex;align-items:center;height:54px;max-width:560px;border-radius:999px;background:#fff;padding-left:20px;overflow:hidden;box-shadow:0 16px 34px rgba(23,18,43,.22)}
.hero-search>i{color:var(--brand);font-size:15px}
.hero-search input{flex:1;min-width:0;border:0;background:transparent;height:100%;padding:0 12px;font-size:15px;color:var(--ink)}
.hero-search input::placeholder{color:var(--ink-3)}
.hero-search button{border:0;height:100%;padding:0 26px;background:var(--grad);color:#fff;font-weight:700;font-size:15px;cursor:pointer;transition:filter .2s var(--ease)}
.hero-search button:hover{filter:brightness(1.07)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags a{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:8px 15px;border-radius:999px;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);transition:background-color .2s var(--ease),transform .2s var(--ease)}
.hero-tags a:hover{background:rgba(255,255,255,.26);color:#fff;transform:translateY(-2px)}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:visible}
.hero-visual .visual-frame{position:relative;aspect-ratio:4/3;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 26px 60px rgba(23,18,43,.32);border:1px solid rgba(255,255,255,.24)}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.float-badge{position:absolute;display:flex;align-items:center;gap:10px;background:#fff;border-radius:16px;padding:10px 14px;box-shadow:0 14px 30px rgba(23,18,43,.2);animation:float 6s ease-in-out infinite}
.float-badge i{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-size:13px;color:#fff;background:var(--grad)}
.float-badge b{display:block;font-size:22px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1}
.float-badge span{display:block;font-size:12px;color:var(--ink-3);line-height:1.3}
.badge-a{left:-18px;bottom:26px}
.badge-b{right:-14px;top:22px;animation-delay:1.2s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ---------- category strip ---------- */
.section-lift{margin-top:-54px;position:relative;z-index:5;padding-top:0}
.cat-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:0 20px 44px rgba(27,21,51,.08);padding:28px}
.panel-title{font-size:19px;font-weight:800;margin-bottom:6px}
.panel-note{font-size:14px;color:var(--ink-3);margin-bottom:22px}
.cat-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.cat-card{display:flex;flex-direction:column;gap:10px;padding:20px 18px;border-radius:var(--r-md);background:var(--bg);border:1px solid var(--line);color:var(--ink-2);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease)}
.cat-card i{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--brand);border:1px solid var(--line);font-size:15px}
.cat-card b{font-size:16px;font-weight:700;color:var(--ink);display:block}
.cat-card p{font-size:13px;color:var(--ink-3);line-height:1.6}
.cat-card:hover{transform:translateY(-4px);background:#fff;border-color:#D9CDFB;box-shadow:var(--shadow-hover);color:var(--ink-2)}
.cat-card:hover b{color:var(--brand)}

/* ---------- feature grid ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.feature-main{grid-column:span 6;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.feature-media{aspect-ratio:16/10;overflow:hidden;background:var(--grad)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.feature-main-body{padding:24px}
.feature-main-body h3{font-size:21px;margin-bottom:10px}
.feature-main-body p{font-size:15px;color:var(--ink-2);margin-bottom:16px}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-main:hover .feature-media img{transform:scale(1.03)}
.feature-main:hover h3{color:var(--brand)}
.feature-side{grid-column:span 6;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.mini-card i{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:#F1EBFF;color:var(--brand);font-size:14px}
.mini-card h3{font-size:17px}
.mini-card p{font-size:14px;color:var(--ink-2)}
.mini-card:hover{transform:translateY(-4px);border-color:#D9CDFB;box-shadow:var(--shadow-hover)}
.mini-card:hover h3{color:var(--brand)}

/* ---------- dark stats ---------- */
.dark-band{position:relative;background:var(--dark);color:rgba(255,255,255,.82);padding:72px 0;margin-top:8px}
.dark-band::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.dark-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:26px 26px;opacity:.6;pointer-events:none}
.dark-band .container{position:relative;z-index:2}
.dark-head{max-width:720px;margin-bottom:34px}
.dark-head h2{color:#fff;margin-bottom:12px}
.dark-head p{color:rgba(255,255,255,.72);font-size:15px}
.stats-grid{margin:0 -10px}
.stats-grid>.cell{padding:0 10px 20px}
.stat-card{height:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);padding:22px;transition:transform .22s var(--ease),background-color .22s var(--ease)}
.stat-card i{font-size:16px;color:var(--mint);margin-bottom:14px;display:block}
.stat-num{font-size:40px;font-weight:800;line-height:1.1;background:linear-gradient(120deg,#FFFFFF 0%,#C7B4FF 60%,#FFB199 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;font-weight:700;color:#fff;margin-top:6px;letter-spacing:.02em}
.stat-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:8px;line-height:1.6}
.stat-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1)}

/* ---------- cms list ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.filter-bar span{font-size:13px;font-weight:600;padding:7px 15px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-2)}
.filter-bar span.on{background:var(--grad);border-color:transparent;color:#fff}
.post-major{display:grid;grid-template-columns:5fr 7fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);margin-bottom:22px;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.post-major-media{aspect-ratio:16/10;background:var(--grad);overflow:hidden}
.post-major-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-major-body{padding:28px 30px;display:flex;flex-direction:column;gap:12px;justify-content:center}
.post-major-body h3{font-size:23px}
.post-major-body p{font-size:15px;color:var(--ink-2)}
.post-major:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.post-major:hover .post-major-media img{transform:scale(1.03)}
.post-major:hover h3{color:var(--brand)}
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.post-card-media{aspect-ratio:16/10;background:var(--grad);overflow:hidden}
.post-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card-body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card-body p{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.badge{display:inline-flex;align-items:center;align-self:flex-start;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;background:#F1EBFF;color:var(--brand)}
.badge.mint{background:rgba(16,201,168,.12);color:#0B9B82}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.post-meta time{font-variant-numeric:tabular-nums}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.post-card:hover .post-card-media img{transform:scale(1.03)}
.post-card:hover h3{color:var(--brand)}
.empty-state{background:#fff;border:1px dashed #D9CDFB;border-radius:var(--r-md);padding:44px 24px;text-align:center;color:var(--ink-3)}
.empty-state i{font-size:26px;color:var(--brand);display:block;margin-bottom:12px}
.empty-state b{display:block;color:var(--ink);font-size:17px;margin-bottom:6px}

/* ---------- topics ---------- */
.topic-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:start}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.topic-card:nth-child(2){margin-top:44px}
.topic-media{overflow:hidden;background:var(--grad)}
.topic-card:nth-child(1) .topic-media{aspect-ratio:3/2}
.topic-card:nth-child(2) .topic-media{aspect-ratio:4/3}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.topic-body{padding:24px}
.topic-body h3{font-size:20px;margin:12px 0 10px}
.topic-body p{font-size:15px;color:var(--ink-2);margin-bottom:16px}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.topic-card:hover .topic-media img{transform:scale(1.03)}
.topic-card:hover h3{color:var(--brand)}

/* ---------- steps ---------- */
.steps{max-width:860px}
.step{position:relative;display:grid;grid-template-columns:86px 1fr;gap:26px;padding-bottom:36px}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:42px;top:70px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand) 0%,var(--accent) 100%)}
.step:last-child::before{display:none}
.step-num{width:86px;height:86px;border-radius:24px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;font-size:30px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;box-shadow:var(--shadow)}
.step-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.step-body h3{font-size:18px;margin-bottom:8px}
.step-body p{font-size:15px;color:var(--ink-2)}
.step-body:hover{transform:translateX(4px);box-shadow:var(--shadow-hover)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.faq-item.open{border-color:#D9CDFB;box-shadow:var(--shadow-hover)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;background:none;border:0;padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);cursor:pointer;position:relative}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--grad);opacity:0;transition:opacity .22s var(--ease)}
.faq-item.open .faq-q::before{opacity:1}
.faq-q i{flex:0 0 auto;color:var(--brand);font-size:14px;transition:transform .24s var(--ease)}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- cta ---------- */
.cta-panel{position:relative;overflow:hidden;background:var(--grad);border-radius:28px;padding:44px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:40px;box-shadow:0 26px 60px rgba(106,61,232,.24)}
.cta-panel::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:24px 24px;opacity:.4;pointer-events:none}
.cta-left,.cta-form{position:relative;z-index:2}
.cta-left h2{color:#fff;margin-bottom:12px}
.cta-left p{color:rgba(255,255,255,.88);font-size:15px;margin-bottom:22px}
.cta-info{display:grid;gap:12px}
.cta-info li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.92)}
.cta-info i{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.18);font-size:13px}
.cta-form{background:#fff;border-radius:var(--r-lg);padding:26px;box-shadow:0 18px 40px rgba(23,18,43,.18)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:var(--bg);border-radius:12px;padding:0 14px;height:48px;font-size:14px;color:var(--ink);transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease)}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(106,61,232,.14)}
.form-note{font-size:13px;color:var(--ink-3);margin-top:10px}
.form-note.ok{color:#0B9B82}
.form-note.err{color:var(--accent)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:72px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-badge{background-image:linear-gradient(#17122B,#17122B),var(--grad);color:#C7B4FF}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:18px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12px;padding:5px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.7)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--mint)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-links{gap:11px}
  .nav-links a{font-size:13.5px}
  .nav-search{max-width:340px}
}
@media (max-width:1024px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-search{max-width:none}
  .hero{padding:64px 0 96px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:560px}
  .cat-strip{grid-template-columns:repeat(3,1fr)}
  .feature-main,.feature-side{grid-column:span 12}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:1fr}
  .topic-card:nth-child(2){margin-top:0}
  .post-major{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding:52px 0 88px;border-radius:0 0 26px 26px}
  .hero-search{height:50px;padding-left:16px}
  .hero-search button{padding:0 18px}
  .badge-a{left:8px;bottom:12px}
  .badge-b{right:8px;top:12px}
  .cat-strip{grid-template-columns:repeat(2,1fr)}
  .feature-side{grid-template-columns:1fr}
  .cms-grid{grid-template-columns:1fr}
  .step{grid-template-columns:64px 1fr;gap:18px}
  .step-num{width:64px;height:64px;font-size:24px;border-radius:18px}
  .step::before{left:31px;top:54px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .dark-band{padding:56px 0}
}
@media (max-width:560px){
  body{font-size:15px}
  .container{padding:0 16px}
  .nav-inner{height:64px;gap:12px}
  .cat-strip{grid-template-columns:1fr}
  .cat-panel{padding:20px}
  .post-major-body{padding:22px}
  .cta-panel{padding:24px;border-radius:22px}
  .cta-form{padding:20px}
  .btn{width:100%}
  .btn-text{width:auto}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --brand:#7C4DFF;
  --brand-2:#9B4DF0;
  --neon:#00E5C0;
  --pink:#FF4D8D;
  --bg:#F5F4FB;
  --surface:#FFFFFF;
  --surface-2:#F0EEFB;
  --line:#E5E1F5;
  --text:#16122E;
  --muted:#6B6690;
  --muted-2:#918CB8;
  --dark:#0E0B22;
  --dark-2:#171338;
  --radius-lg:24px;
  --radius:20px;
  --radius-sm:14px;
  --shadow-sm:0 6px 20px rgba(20,16,50,.06);
  --shadow-md:0 16px 40px rgba(20,16,50,.12);
  --shadow-glow:0 14px 38px rgba(124,77,255,.30);
  --grad:linear-gradient(120deg,#7C4DFF 0%,#9B4DF0 46%,#FF4D8D 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(124,77,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(124,77,255,.42);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:#CFC7EE;color:var(--text)}
.btn-ghost:hover{background:#F1EBFF;border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-link{color:var(--brand);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;padding:0}
.btn-link i{transition:transform .22s var(--ease)}
.btn-link:hover i{transform:translateX(3px)}

/* ---------- HEADER ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--dark);border-bottom:1px solid rgba(255,255,255,.07)}
.site-header.scrolled{box-shadow:0 12px 32px rgba(9,7,26,.5)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:16px;
  box-shadow:0 8px 20px rgba(124,77,255,.45);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:#fff;white-space:nowrap}
.logo-badge{
  font-size:11px;font-weight:700;height:22px;padding:0 9px;
  display:inline-flex;align-items:center;border-radius:999px;
  border:1px solid transparent;
  background:linear-gradient(#171338,#171338) padding-box,var(--grad) border-box;
  color:#C9B8FF;white-space:nowrap;
}
.nav-search{
  flex:1 1 auto;max-width:500px;margin:0 auto;height:46px;
  display:flex;align-items:center;padding-left:16px;
  border-radius:999px;background:#171338;border:1px solid rgba(255,255,255,.10);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:rgba(124,77,255,.75);box-shadow:0 0 0 3px rgba(124,77,255,.18)}
.nav-search .fa-magnifying-glass{color:#8B84BD;font-size:14px;margin-right:10px}
.nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:#EDEBFF;font-size:14px}
.nav-search input::placeholder{color:#7A74A8}
.nav-search button{
  border:0;height:46px;padding:0 22px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;font-size:14px;
  transition:filter .2s var(--ease);
}
.nav-search button:hover{filter:brightness(1.08)}
.nav-links{display:flex;align-items:center;gap:2px;flex:0 0 auto}
.nav-links a{position:relative;padding:8px 11px;border-radius:999px;font-size:14px;color:#B7B1DD;white-space:nowrap}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:-3px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  padding:11px 20px;border-radius:999px;background:var(--grad);color:#fff;
  font-size:14px;font-weight:700;box-shadow:0 8px 22px rgba(255,77,141,.26);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,77,141,.36);color:#fff}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);color:#fff;place-items:center;font-size:16px;
}
@media (max-width:1180px){
  .nav-links a{padding:8px 8px;font-size:13px}
  .nav-search{max-width:360px}
}
@media (max-width:1024px){
  .nav-links,.nav-search,.nav-cta{display:none}
  .nav-toggle{display:grid;margin-left:auto}
  .nav-inner{height:64px}
}
.mobile-drawer{position:fixed;inset:0;z-index:80;background:rgba(8,6,22,.62);display:none}
.mobile-drawer.open{display:block}
.mobile-panel{
  position:absolute;left:12px;right:12px;top:12px;max-height:calc(100vh - 24px);overflow:auto;
  background:var(--dark-2);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:18px;
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#fff}
.drawer-search{display:flex;align-items:center;height:48px;border-radius:999px;background:#0E0B22;border:1px solid rgba(255,255,255,.12);padding-left:16px;margin-bottom:16px}
.drawer-search .fa-magnifying-glass{color:#8B84BD;margin-right:10px}
.drawer-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:#EDEBFF;font-size:14px}
.drawer-search button{border:0;height:48px;padding:0 20px;border-radius:999px;background:var(--grad);color:#fff;font-weight:700;font-size:14px}
.drawer-links{display:grid;gap:6px;margin-bottom:16px}
.drawer-links a{padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.05);color:#C6C0EC;font-size:15px;font-weight:600}
.drawer-links a:hover{background:rgba(124,77,255,.22);color:#fff}
.drawer-links a.active{background:rgba(124,77,255,.28);color:#fff}
.drawer-cta{display:flex;justify-content:center;width:100%}

/* ---------- PAGE HEAD ---------- */
.page-head{position:relative;overflow:hidden;background:var(--dark);padding:26px 0 54px}
.page-head .glow-a{position:absolute;width:560px;height:560px;border-radius:50%;top:-260px;right:-140px;background:radial-gradient(circle,rgba(124,77,255,.46) 0%,rgba(124,77,255,0) 68%)}
.page-head .glow-b{position:absolute;width:460px;height:460px;border-radius:50%;bottom:-260px;left:-160px;background:radial-gradient(circle,rgba(0,229,192,.24) 0%,rgba(0,229,192,0) 70%)}
.page-head .head-grid{
  position:absolute;inset:0;opacity:.35;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:22px 22px;
}
.breadcrumb{position:relative;z-index:2;font-size:13px;color:#8E88BC}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb a{color:#C0BAE8}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb .sep{color:rgba(255,255,255,.34)}
.breadcrumb .current{color:#fff;font-weight:700;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-head h1{
  position:relative;z-index:2;
  margin:20px 0 16px;max-width:920px;
  font-size:clamp(26px,3.6vw,42px);font-weight:800;letter-spacing:-.02em;line-height:1.28;color:#fff;
}
.post-meta{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:#9B95C7}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.11);color:#CFC9F2;
}
.meta-chip.is-brand{background:rgba(124,77,255,.22);border-color:rgba(124,77,255,.42);color:#D9CCFF}
.meta-chip i{color:var(--neon);font-size:12px}

/* ---------- LAYOUT ---------- */
.main-wrap{padding:44px 0 72px}
.article-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-sm)}
@media (max-width:768px){.article-card{padding:24px}}
@media (max-width:560px){.article-card{padding:18px;border-radius:18px}}

/* ---------- ARTICLE BODY ---------- */
.article-body{max-width:800px;font-size:17px;line-height:1.9;color:#332E55;word-break:break-word}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  position:relative;margin:38px 0 16px;padding-left:16px;
  font-size:23px;font-weight:800;line-height:1.4;color:var(--text);scroll-margin-top:100px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;width:4px;height:20px;border-radius:4px;background:var(--grad);
}
.article-body h3{margin:28px 0 12px;font-size:19px;font-weight:700;color:var(--text);scroll-margin-top:100px}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:700;color:var(--text)}
.article-body p{margin:0 0 1.2em;font-size:17px;line-height:1.9;color:#332E55}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--pink)}
.article-body img{border-radius:16px;margin:22px auto;box-shadow:var(--shadow-sm)}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--muted-2)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;font-size:17px;line-height:1.85;color:#332E55}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 0 3px rgba(0,229,192,.18);
}
.article-body ol{counter-reset:olist}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:10px;font-size:17px;line-height:1.85;color:#332E55;counter-increment:olist}
.article-body ol li::before{
  content:counter(olist);position:absolute;left:0;top:5px;
  width:22px;height:22px;border-radius:8px;background:var(--grad);color:#fff;
  font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  position:relative;margin:24px 0;padding:18px 22px 18px 26px;
  background:var(--surface-2);border-radius:16px;color:#403A6E;font-size:16px;line-height:1.85;
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:4px;background:var(--grad);
}
.article-body blockquote p{margin:0;font-size:16px;color:#403A6E}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:15px;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.article-body thead th{background:var(--surface-2);color:var(--text);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);line-height:1.7;color:#332E55}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body tbody tr:hover{background:#FBFAFF}
.article-body code{background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--brand)}
.empty-state{
  text-align:center;padding:56px 24px;border-radius:var(--radius);
  background:var(--surface-2);border:1px dashed #CFC7EE;
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:14px;display:block}
.empty-state h2{font-size:21px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px}

/* ---------- SIDEBAR ---------- */
.article-side{position:sticky;top:96px}
@media (max-width:1024px){.article-side{position:static;margin-top:30px}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);margin-bottom:20px}
.side-card h2,.side-card h3{
  display:flex;align-items:center;gap:9px;
  font-size:15px;font-weight:800;color:var(--text);margin-bottom:14px;
}
.side-card h2 i,.side-card h3 i{color:var(--brand);font-size:14px}
.toc-list li a{
  display:block;padding:8px 12px;border-radius:10px;font-size:14px;line-height:1.6;
  color:var(--muted);border-left:2px solid transparent;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list li a:hover{background:var(--surface-2);color:var(--brand)}
.toc-list li a.active{background:#F1ECFF;color:var(--brand);font-weight:700;border-left-color:var(--brand)}
.rel-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.rel-item:last-child{border-bottom:0;padding-bottom:0}
.rel-thumb{
  flex:0 0 68px;width:68px;height:50px;border-radius:12px;overflow:hidden;
  background:var(--grad);position:relative;
}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-body{min-width:0}
.rel-body strong{display:block;font-size:14px;font-weight:700;line-height:1.5;color:var(--text);margin-bottom:4px}
.rel-item:hover strong{color:var(--brand)}
.rel-body time{font-size:12px;color:var(--muted-2)}
.side-note{font-size:13px;line-height:1.8;color:var(--muted)}

/* ---------- FOOT OF ARTICLE ---------- */
.article-foot{margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.foot-label{font-size:13px;font-weight:700;color:var(--muted-2);letter-spacing:.08em;margin-bottom:12px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;
  background:#F1ECFF;color:var(--brand);font-size:13px;font-weight:700;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
@media (max-width:640px){.post-nav{grid-template-columns:1fr}}
.post-nav a{
  display:block;padding:18px 20px;border-radius:16px;background:#FBFAFF;
  border:1px solid var(--line);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D6CDF7}
.post-nav span{display:block;font-size:12px;color:var(--muted-2);margin-bottom:6px;font-weight:600;letter-spacing:.06em}
.post-nav strong{display:block;font-size:15px;font-weight:700;line-height:1.55;color:var(--text)}
.post-nav a:hover strong{color:var(--brand)}
.back-row{margin-top:22px}

/* ---------- RELATED ---------- */
.related-block{padding:64px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;letter-spacing:-.01em}
.section-head p{margin-top:8px;font-size:14px;color:var(--muted);max-width:600px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:1024px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.card-grid{grid-template-columns:1fr}}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .thumb img{transform:scale(1.03)}
.thumb .badge{
  position:absolute;left:12px;top:12px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(14,11,34,.72);color:#D9CCFF;border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(6px);
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:8px}
.news-card:hover h3{color:var(--brand)}
.news-body p{font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:14px}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted-2)}
.news-foot .go{color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:5px}
.news-foot .go i{transition:transform .22s var(--ease)}
.news-card:hover .news-foot .go i{transform:translateX(3px)}

/* ---------- CTA STRIP ---------- */
.cta-strip{margin-top:72px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--dark);padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.cta-inner .glow-c{
  position:absolute;width:420px;height:420px;border-radius:50%;
  right:-140px;top:-180px;background:radial-gradient(circle,rgba(124,77,255,.5),transparent 68%);
}
.cta-text{position:relative;z-index:2;max-width:620px}
.cta-text h2{font-size:clamp(21px,2.4vw,28px);color:#fff;margin-bottom:10px;letter-spacing:-.01em}
.cta-text p{font-size:15px;line-height:1.8;color:#A9A3D4}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- FOOTER ---------- */
.site-footer{position:relative;margin-top:80px;background:var(--dark);padding:62px 0 0;color:#B7B1DD}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:42px}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{margin:0 0 18px;max-width:360px;font-size:14px;line-height:1.85;color:#918CB8}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12px;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.06);color:#A9A3D4}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:#918CB8}
.footer-col ul li a:hover{color:var(--neon)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:#918CB8;margin-bottom:13px}
.footer-contact i{color:var(--neon);margin-top:4px;flex:0 0 auto}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:#7A74A8;
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --brand:#6A3DE8;
  --brand-2:#9B4DF0;
  --accent:#FF6B4A;
  --mint:#10C9A8;
  --ink:#1B1533;
  --ink-2:#4A4460;
  --ink-3:#7C7791;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --dark:#17122B;
  --line:#E8E4F5;
  --grad:linear-gradient(120deg,#6A3DE8 0%,#9B4DF0 46%,#FF6B4A 100%);
  --grad-hero:linear-gradient(120deg,#5F35D6 0%,#8A46DE 46%,#E9624A 100%);
  --r-lg:24px; --r-md:20px; --r-sm:16px; --r-xs:12px; --pill:999px;
  --sh-1:0 8px 24px rgba(27,21,51,.06);
  --sh-2:0 16px 40px rgba(106,61,232,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;margin:0}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(27,21,51,.07)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
  box-shadow:0 6px 16px rgba(106,61,232,.28);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:var(--pill);
  font-size:12px;font-weight:700;line-height:1;color:var(--brand);
  background:linear-gradient(120deg,rgba(106,61,232,.10),rgba(255,107,74,.12));
  border:1px solid rgba(106,61,232,.35);white-space:nowrap;
}

.nav-search{
  flex:1 1 auto;min-width:170px;max-width:420px;position:relative;
  display:flex;align-items:center;height:46px;border-radius:var(--pill);
  background:var(--bg);border:1px solid var(--line);padding-left:42px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:rgba(106,61,232,.55);box-shadow:0 0 0 4px rgba(106,61,232,.10)}
.nav-search > i{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:var(--ink-3);font-size:14px;pointer-events:none;
}
.nav-search input[type="search"]{
  flex:1 1 auto;width:100%;height:44px;margin:0;border:0;background:transparent;
  font-size:14px;color:var(--ink);box-shadow:none;border-radius:var(--pill);
}
.nav-search input[type="search"]::placeholder{color:var(--ink-3)}
.nav-search input[type="search"]:focus{outline:none;box-shadow:none}
.nav-search button{
  flex:0 0 auto;height:46px;padding:0 22px;margin-right:-1px;border-radius:var(--pill);
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.nav-search button:hover{filter:brightness(1.08)}
.nav-search button:active{transform:translateY(1px)}

.nav-links{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-links a{
  position:relative;font-size:14px;font-weight:600;color:var(--ink-2);
  white-space:nowrap;padding:8px 2px;transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{transform:scaleX(.6)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{transform:scaleX(1)}

.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;flex:0 0 auto;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px}
.mobile-panel.open{display:block}
.mobile-panel .m-search{display:flex;align-items:center;height:50px;border-radius:var(--pill);background:var(--bg);border:1px solid var(--line);padding-left:42px;position:relative;margin-bottom:16px}
.mobile-panel .m-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--ink-3)}
.mobile-panel .m-search input{flex:1;height:48px;border:0;background:transparent;margin:0;box-shadow:none;font-size:14px}
.mobile-panel .m-search input:focus{outline:none;box-shadow:none}
.mobile-links{display:flex;flex-direction:column}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:var(--r-xs);color:var(--ink);font-size:15px;font-weight:600;
  border:1px solid transparent;
}
.mobile-links a + a{margin-top:4px}
.mobile-links a:hover{background:var(--bg);border-color:var(--line);color:var(--brand)}
.mobile-links a.active{background:rgba(106,61,232,.08);color:var(--brand)}
.mobile-links a i{font-size:12px;color:var(--ink-3)}
.mobile-panel .m-cta{margin-top:16px;display:block;text-align:center}

/* ============ 按钮与标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--pill);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(106,61,232,.26)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(106,61,232,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--ink)}
.btn-ghost:hover{background:#F1EBFF;color:var(--brand);border-color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn .fa-arrow-right{transition:transform .2s var(--ease)}
.btn:hover .fa-arrow-right{transform:translateX(3px)}

.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--brand)}
.link-arrow i{font-size:12px;transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(3px)}

.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);
  font-size:12px;font-weight:600;color:var(--brand);background:rgba(106,61,232,.09);
  border:1px solid rgba(106,61,232,.18);
}
.tag-mint{color:#08836C;background:rgba(16,201,168,.12);border-color:rgba(16,201,168,.28)}
.tag-accent{color:#C8391C;background:rgba(255,107,74,.12);border-color:rgba(255,107,74,.26)}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  min-height:44px;font-size:13px;color:var(--ink-3);line-height:1.6;
}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li + li::before{content:"/";color:#C6C1D8}
.crumb a{color:var(--brand);font-weight:600}
.crumb .current{color:var(--ink);font-weight:700}

/* ============ 迷你首屏 ============ */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--grad-hero);
  padding:56px 0 64px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 68%);
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:44px}
.cat-hero-text{flex:1 1 auto;min-width:0}
.cat-hero h1{
  font-size:clamp(28px,4.4vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.25;
  margin:0 0 14px;color:#fff;
}
.cat-hero h1 em{
  display:block;font-style:normal;font-size:15px;font-weight:700;letter-spacing:.04em;
  color:rgba(255,255,255,.86);margin-top:10px;
}
.cat-hero-desc{font-size:16px;line-height:1.8;color:rgba(255,255,255,.92);max-width:620px;margin-bottom:22px}
.cat-hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.cat-hero-tags span{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--pill);
  font-size:13px;font-weight:600;color:#fff;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.30);backdrop-filter:blur(2px);
}
.cat-hero-visual{
  flex:0 0 auto;width:330px;aspect-ratio:3/2;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.35);box-shadow:0 22px 50px rgba(23,18,43,.28);
  background:rgba(255,255,255,.12);
}
.cat-hero-visual img{width:100%;height:100%;object-fit:cover}
.cat-hero-wave{position:relative;z-index:3;height:24px;margin-top:-24px;background:#F7F5FC;border-radius:24px 24px 0 0}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.sec-head{max-width:820px;margin-bottom:32px}
.sec-head h2{
  font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.01em;
  margin-bottom:12px;color:var(--ink);
}
.sec-head p{font-size:15px;color:var(--ink-2);line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand);letter-spacing:.06em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}

.prose{max-width:820px}
.prose p{font-size:16px;line-height:1.9;color:var(--ink-2);margin-bottom:1.15em}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--ink);font-weight:700}

/* 简介区双栏 */
.intro-grid{display:flex;gap:32px;align-items:flex-start}
.intro-main{flex:1 1 auto;min-width:0}
.intro-side{flex:0 0 320px;display:flex;flex-direction:column;gap:16px}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.mini-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.mini-card p{font-size:14px;color:var(--ink-3);line-height:1.75}
.mini-card .icon-chip{
  width:42px;height:42px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(106,61,232,.10);color:var(--brand);font-size:17px;margin-bottom:14px;
}
.mini-card .icon-chip.mint{background:rgba(16,201,168,.14);color:#08836C}
.mini-card .icon-chip.accent{background:rgba(255,107,74,.14);color:#C8391C}

/* ============ 深色数据区 ============ */
.dark-band{
  position:relative;background:var(--dark);color:#fff;padding:64px 0 68px;overflow:hidden;
}
.dark-band::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.dark-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:26px 26px;opacity:.6;pointer-events:none;
}
.dark-band .container{position:relative;z-index:2}
.dark-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;color:#fff;margin-bottom:10px}
.dark-band .band-desc{font-size:15px;color:rgba(255,255,255,.66);max-width:640px;margin-bottom:34px;line-height:1.8}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-sm);padding:22px;transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.stat:hover{transform:translateY(-4px);background:rgba(255,255,255,.09)}
.stat i{font-size:17px;color:var(--mint);margin-bottom:14px;display:block}
.stat .value{
  font-size:clamp(30px,3vw,42px);font-weight:800;line-height:1.1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#FFFFFF 0%,#C9B6FF 60%,#FFB39F 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .label{font-size:13px;font-weight:600;color:rgba(255,255,255,.78);margin-top:6px}
.stat .note{font-size:12px;color:rgba(255,255,255,.48);margin-top:8px;line-height:1.6}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:11px;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#6A3DE8 0%,#9B4DF0 52%,#FF6B4A 100%);
}
.tl-item{position:relative;padding-left:52px;margin-bottom:24px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  position:absolute;left:3px;top:26px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
  box-shadow:0 0 0 4px rgba(106,61,232,.10);
}
.tl-item:nth-child(3n+2) .tl-node{border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(155,77,240,.12)}
.tl-item:nth-child(3n) .tl-node{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,107,74,.14)}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(106,61,232,.28)}
.tl-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:10px}
.tl-meta time{font-size:13px;font-weight:600;color:var(--ink-3);font-variant-numeric:tabular-nums}
.tl-body h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);margin-bottom:8px;transition:color .2s var(--ease)}
.tl-body:hover h3{color:var(--brand)}
.tl-body p{font-size:15px;line-height:1.8;color:var(--ink-2);margin-bottom:14px}

/* ============ 行卡清单 ============ */
.rowlist{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
}
.rowlist li + li{border-top:1px solid var(--line)}
.rowlist a{
  display:flex;align-items:center;gap:16px;min-height:72px;padding:14px 22px;
  color:var(--ink);transition:background-color .22s var(--ease);
}
.rowlist a:hover{background:#F5F0FF;color:var(--ink)}
.rowlist a:hover .rl-title{color:var(--brand)}
.rowlist .rl-dot{
  flex:0 0 auto;width:16px;height:16px;border-radius:6px;background:var(--grad);
}
.rowlist li:nth-child(2n) .rl-dot{background:linear-gradient(120deg,#10C9A8,#6A3DE8)}
.rowlist li:nth-child(3n) .rl-dot{background:linear-gradient(120deg,#FF6B4A,#9B4DF0)}
.rowlist .rl-main{flex:1 1 auto;min-width:0}
.rowlist .rl-title{font-size:16px;font-weight:700;line-height:1.5;transition:color .2s var(--ease)}
.rowlist .rl-sub{font-size:13px;color:var(--ink-3);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rowlist .rl-time{flex:0 0 auto;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.rowlist .rl-state{flex:0 0 auto}
.rowlist .rl-arrow{flex:0 0 auto;color:var(--ink-3);font-size:13px;transition:transform .2s var(--ease),color .2s var(--ease)}
.rowlist a:hover .rl-arrow{transform:translateX(3px);color:var(--brand)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.faq-item.is-open{border-color:rgba(106,61,232,.32);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:18px 22px;font-size:17px;font-weight:700;color:var(--ink);
  background:#fff;transition:background-color .2s var(--ease);
}
.faq-q:hover{background:#FAF8FF}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(106,61,232,.09);color:var(--brand);font-size:12px;
  transition:transform .24s var(--ease),background-color .24s var(--ease);
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{display:none;padding:0 22px 20px;position:relative}
.faq-item.is-open .faq-a{display:block}
.faq-a::before{
  content:"";position:absolute;left:0;top:2px;bottom:18px;width:3px;border-radius:3px;background:var(--grad);
}
.faq-a p{font-size:15px;line-height:1.85;color:var(--ink-2);padding-left:16px}

/* ============ CTA ============ */
.cta-band{padding:56px 0 76px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad);
  padding:44px 44px;display:flex;align-items:center;gap:36px;color:#fff;
  box-shadow:0 24px 60px rgba(106,61,232,.28);
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:20px 20px;opacity:.5;pointer-events:none;
}
.cta-left{position:relative;z-index:2;flex:1 1 auto;min-width:0}
.cta-left h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35;color:#fff;margin-bottom:12px}
.cta-left p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.9);max-width:560px}
.cta-right{position:relative;z-index:2;flex:0 0 auto;display:flex;flex-wrap:wrap;gap:12px}
.cta-right .btn-ghost{background:rgba(255,255,255,.96);border-color:transparent;color:var(--brand)}
.cta-right .btn-ghost:hover{background:#fff;color:var(--accent);border-color:transparent}
.cta-right .btn-primary{background:#17122B;box-shadow:0 12px 28px rgba(23,18,43,.30)}
.cta-right .btn-primary:hover{background:#241C42}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-badge{color:#fff;border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.10)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:18px;max-width:360px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);
  font-size:12px;color:rgba(255,255,255,.78);background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--mint)}
.footer-contact li{display:flex;gap:10px;font-size:13px;line-height:1.75;color:rgba(255,255,255,.60)}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:12px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1200px){
  .nav-links{gap:10px}
  .nav-links a{font-size:13px}
}
@media screen and (max-width:1024px){
  .nav-links{display:none}
  .nav-search{max-width:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-inner{gap:12px;height:64px}
  .logo-text{font-size:16px}
  .cat-hero-visual{width:260px}
  .intro-grid{flex-direction:column;gap:24px}
  .intro-side{flex:1 1 auto;width:100%;flex-direction:row;flex-wrap:wrap}
  .intro-side .mini-card{flex:1 1 240px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{flex-direction:column;align-items:flex-start;gap:26px;padding:36px 30px}
}
@media screen and (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .cat-hero{padding:44px 0 52px}
  .cat-hero-inner{flex-direction:column;align-items:flex-start;gap:26px}
  .cat-hero-visual{width:100%;max-width:420px}
  .rowlist .rl-sub{display:none}
  .rowlist a{min-height:66px;padding:12px 16px;gap:12px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:560px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .logo-badge{display:none}
  .nav-search{padding-left:38px}
  .nav-search button{padding:0 16px;font-size:13px}
  .stat-grid{grid-template-columns:1fr}
  .tl-item{padding-left:40px}
  .timeline::before{left:8px}
  .tl-node{left:0;width:16px;height:16px;top:24px}
  .tl-body{padding:18px}
  .cta-right{width:100%}
  .cta-right .btn{width:100%}
  .rowlist .rl-time{display:none}
  .crumb{font-size:12px}
}

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

/* roulang page: category2 */
:root{
  --brand:#6A3DE8;
  --brand-2:#9B4DF0;
  --accent:#FF6B4A;
  --mint:#10C9A8;
  --ink:#1B1533;
  --ink-2:#4A4460;
  --ink-3:#7C7791;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --dark:#17122B;
  --line:#E8E4F5;
  --soft:#F1EBFF;
  --grad:linear-gradient(120deg,#6A3DE8 0%,#9B4DF0 46%,#FF6B4A 100%);
  --grad-2:linear-gradient(135deg,#6A3DE8 0%,#FF6B4A 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --sh:0 8px 24px rgba(27,21,51,.06);
  --sh-hover:0 16px 40px rgba(106,61,232,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{letter-spacing:-.02em;line-height:1.3}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-tight{padding:48px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow i{color:var(--mint)}
.h2{font-size:clamp(22px,2.6vw,32px);font-weight:800}
.h3{font-size:19px;font-weight:700}
.lead{color:var(--ink-2);font-size:16px;line-height:1.85}
.muted{color:var(--ink-3);font-size:13px;font-weight:500}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head p{color:var(--ink-2);max-width:640px;margin-top:10px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(27,21,51,.07)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:17px;
  box-shadow:0 6px 16px rgba(106,61,232,.28);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.02em}
.logo-badge{
  font-size:12px;font-weight:700;line-height:1;height:22px;padding:0 10px;border-radius:999px;
  display:inline-flex;align-items:center;color:var(--brand);
  border:1px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
}
.nav-search{
  flex:1 1 auto;max-width:520px;height:46px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);
  display:flex;align-items:center;gap:10px;padding:0 6px 0 16px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(106,61,232,.12)}
.nav-search i{color:var(--ink-3);font-size:14px}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;height:44px;font-size:14.5px;
}
.nav-search input::placeholder{color:#9A95AD}
.nav-search input:focus{outline:none}
.nav-search button{
  border:0;cursor:pointer;height:34px;padding:0 18px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;
  transition:transform .2s var(--ease),filter .2s var(--ease);
}
.nav-search button:hover{transform:translateY(-1px);filter:brightness(1.05)}
.nav-links{display:flex;align-items:center;gap:18px;font-size:14.5px;font-weight:600}
.nav-links a{position:relative;padding:6px 2px;color:var(--ink-2);transition:color .2s var(--ease);white-space:nowrap}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--grad);opacity:0;transform:scaleX(.4);transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{opacity:.55;transform:scaleX(1)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{opacity:1;transform:scaleX(1)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:700;padding:14px 28px;
  transition:transform .2s var(--ease),box-shadow .22s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(106,61,232,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(106,61,232,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--soft);border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14.5px}
.btn-text i{transition:transform .2s var(--ease)}
.btn-text:hover i{transform:translateX(3px)}
.nav-cta{flex-shrink:0;padding:11px 22px;font-size:14px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:14px;background:var(--bg);
  border:1px solid var(--line);color:var(--ink);cursor:pointer;
}
.mobile-panel{
  display:none;position:absolute;left:16px;right:16px;top:76px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-hover);
  padding:16px;z-index:90;
}
.mobile-panel.open{display:block;animation:fadeDown .24s var(--ease)}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.mobile-search{display:flex;align-items:center;gap:10px;height:46px;border-radius:999px;background:var(--bg);border:1px solid var(--line);padding:0 6px 0 14px;margin-bottom:14px}
.mobile-search input{flex:1;min-width:0;border:0;background:transparent;height:44px}
.mobile-search input:focus{outline:none}
.mobile-search button{border:0;height:34px;padding:0 16px;border-radius:999px;background:var(--grad);color:#fff;font-weight:700;font-size:13.5px;cursor:pointer}
.mobile-links{display:grid;gap:4px}
.mobile-links a{padding:12px 14px;border-radius:14px;font-weight:600;color:var(--ink-2);transition:background-color .2s var(--ease),color .2s var(--ease)}
.mobile-links a:hover,.mobile-links a.active{background:var(--soft);color:var(--brand)}
.mobile-panel .btn{width:100%;margin-top:12px}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--grad);color:#fff;border-radius:0 0 28px 28px}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:18px 18px;opacity:.5;pointer-events:none;
}
.cat-hero::after{content:"";position:absolute;inset:0;background:rgba(23,18,43,.16);pointer-events:none}
.cat-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:center;padding:56px 0 60px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px}
.breadcrumb li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.82)}
.breadcrumb li::after{content:"/";color:rgba(255,255,255,.5)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.4)}
.breadcrumb a:hover{border-bottom-color:#fff}
.breadcrumb .current{color:#fff;font-weight:800}
.cat-hero h1{font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1.25;letter-spacing:-.02em;color:#fff}
.cat-hero .hero-sub{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.92);max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(4px);
}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.35);
  box-shadow:0 20px 44px rgba(23,18,43,.32);background:rgba(23,18,43,.25);
  aspect-ratio:3/2;
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.float-badge{
  position:absolute;left:-18px;bottom:22px;background:#fff;color:var(--ink);
  border-radius:var(--r-sm);padding:12px 16px;box-shadow:0 12px 30px rgba(23,18,43,.22);
  display:flex;align-items:center;gap:12px;animation:floaty 4s var(--ease) infinite;
}
.float-badge i{color:var(--mint);font-size:20px}
.float-badge .num{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}
.float-badge .lab{font-size:12px;color:var(--ink-3);font-weight:600}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ---------- intro ---------- */
.intro-wrap{display:grid;grid-template-columns:minmax(0,820px) minmax(0,1fr);gap:40px;align-items:start}
.intro-wrap p{color:var(--ink-2);font-size:16.5px;line-height:1.9}
.intro-wrap p + p{margin-top:16px}
.intro-aside{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh)}
.intro-aside h3{font-size:17px;font-weight:700;margin-bottom:14px}
.intro-aside li{
  display:flex;gap:10px;align-items:flex-start;padding:11px 0;font-size:14.5px;color:var(--ink-2);
  border-bottom:1px dashed var(--line);
}
.intro-aside li:last-child{border-bottom:0;padding-bottom:0}
.intro-aside li i{color:var(--mint);margin-top:5px;font-size:12px}

/* ---------- filter chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.chip{
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 18px;
  font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{background:var(--soft);color:var(--brand);border-color:rgba(106,61,232,.4);transform:translateY(-1px)}
.chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(106,61,232,.22)}

/* ---------- open list ---------- */
.open-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);overflow:hidden}
.open-row{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto auto 28px;
  align-items:center;gap:20px;min-height:72px;padding:14px 22px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.open-row:last-child{border-bottom:0}
.open-row:hover{background:var(--soft)}
.row-ico{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;color:#fff;font-size:19px;
  background:var(--grad);
}
.row-ico.alt{background:linear-gradient(135deg,#10C9A8 0%,#6A3DE8 100%)}
.row-ico.warm{background:linear-gradient(135deg,#FF6B4A 0%,#9B4DF0 100%)}
.row-main h3{font-size:17px;font-weight:700;line-height:1.4}
.row-main p{font-size:13px;color:var(--ink-3);margin-top:4px;font-weight:500}
.status{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;white-space:nowrap;
}
.status::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.status.open{color:#0B8F79;background:rgba(16,201,168,.14)}
.status.soon{color:#C74526;background:rgba(255,107,74,.14)}
.status.book{color:#5A2ED0;background:rgba(106,61,232,.13)}
.row-time{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--ink);white-space:nowrap}
.row-go{color:var(--ink-3);font-size:14px;text-align:right;transition:transform .2s var(--ease),color .2s var(--ease)}
.open-row:hover .row-go{color:var(--brand);transform:translateX(3px)}
.list-note{margin-top:18px;font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.list-note i{color:var(--accent)}

/* ---------- dark stats ---------- */
.dark-band{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.dark-band::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.dark-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:20px 20px;pointer-events:none;
}
.dark-band .container{position:relative;z-index:2}
.dark-band .h2{color:#fff}
.dark-band .section-head p{color:rgba(255,255,255,.7)}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-sm);padding:24px;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1)}
.stat-card i{font-size:18px;color:var(--mint)}
.stat-card .num{
  display:block;margin:14px 0 6px;font-size:38px;font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#FFFFFF 0%,#E3D6FF 60%,#FFC9BC 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-card .lab{font-size:13px;font-weight:700;color:rgba(255,255,255,.92)}
.stat-card .des{font-size:13px;color:rgba(255,255,255,.6);margin-top:6px;line-height:1.7}

/* ---------- steps ---------- */
.steps{position:relative;padding-left:8px}
.steps::before{
  content:"";position:absolute;left:29px;top:18px;bottom:18px;width:2px;
  background:linear-gradient(180deg,#6A3DE8 0%,#9B4DF0 50%,#FF6B4A 100%);border-radius:2px;
}
.step{display:grid;grid-template-columns:60px minmax(0,1fr);gap:24px;padding:18px 0;position:relative}
.step .no{
  width:60px;height:60px;border-radius:20px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;font-size:22px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;box-shadow:var(--sh);position:relative;z-index:2;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:6px}
.step p{color:var(--ink-2);font-size:15px;line-height:1.85}
.step .tagline{display:inline-flex;margin-top:10px;font-size:12.5px;font-weight:700;color:#0B8F79;background:rgba(16,201,168,.14);border-radius:999px;padding:5px 12px}

/* ---------- scene cards ---------- */
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(106,61,232,.25)}
.scene-card .cover{aspect-ratio:16/10;overflow:hidden;background:var(--grad)}
.scene-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.scene-card:hover .cover img{transform:scale(1.03)}
.scene-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-card h3{font-size:17px;font-weight:700;transition:color .2s var(--ease)}
.scene-card:hover h3{color:var(--brand)}
.scene-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.mini-tag{
  align-self:flex-start;font-size:12.5px;font-weight:700;color:var(--brand);
  background:var(--soft);border-radius:999px;padding:5px 12px;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.open{border-color:rgba(106,61,232,.35);box-shadow:var(--sh)}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--ink);position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad);opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.open .faq-q::before{opacity:1}
.faq-q i{color:var(--brand);transition:transform .24s var(--ease);flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{display:none;padding:0 22px 22px;color:var(--ink-2);font-size:15px;line-height:1.85}
.faq-item.open .faq-a{display:block}

/* ---------- cta ---------- */
.cta-band{
  background:var(--grad);border-radius:var(--r-lg);color:#fff;position:relative;overflow:hidden;
  padding:48px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.15) 1px,transparent 1px);
  background-size:20px 20px;opacity:.6;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;color:#fff}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.9);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(23,18,43,.24)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#fff;margin-top:0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-badge{background:linear-gradient(var(--dark),var(--dark)) padding-box,var(--grad) border-box;color:#D9CCFF}
.footer-desc{color:rgba(255,255,255,.62);font-size:14px;line-height:1.85;max-width:360px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{
  font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.78);
}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--mint)}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.7}
.footer-contact i{color:var(--mint);margin-top:5px;flex-shrink:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- foundation overrides ---------- */
.grid-x{margin-left:0;margin-right:0}
.grid-x > .cell{padding-left:0;padding-right:0}
.grid-margin-x{margin-left:-10px;margin-right:-10px}
.grid-margin-x > .cell{padding-left:10px;padding-right:10px}
.row{max-width:none;margin-left:0;margin-right:0}
.button{border-radius:999px;font-family:inherit}
h1,h2,h3,h4{font-family:inherit}

/* ---------- responsive ---------- */
@media screen and (max-width:1200px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 280px}
}
@media screen and (max-width:1024px){
  :root{--sec:56px}
  .nav-links,.nav-cta,.nav-search{display:none}
  .menu-toggle{display:grid;place-items:center}
  .header-inner{justify-content:space-between;height:64px}
  .hero-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 48px}
  .hero-visual{max-width:420px}
  .intro-wrap{grid-template-columns:1fr;gap:26px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr}
  .cta-band{padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px}
}
@media screen and (max-width:768px){
  :root{--sec:48px}
  .container{padding:0 20px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .open-row{grid-template-columns:48px minmax(0,1fr) auto;gap:14px;padding:14px 16px}
  .row-ico{width:44px;height:44px;font-size:16px;border-radius:14px}
  .open-row .status{grid-column:2;justify-self:start}
  .open-row .row-time{grid-column:3;font-size:14px}
  .open-row .row-go{display:none}
  .stat-grid{grid-template-columns:1fr}
  .step{grid-template-columns:48px minmax(0,1fr);gap:16px}
  .steps::before{left:23px}
  .step .no{width:48px;height:48px;border-radius:16px;font-size:19px}
  .cta-band{padding:28px;border-radius:var(--r-md)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .float-badge{left:12px;bottom:12px;padding:10px 14px}
}
@media screen and (max-width:560px){
  .container{padding:0 16px}
  .logo-text{font-size:16px}
  .logo-badge{font-size:11px;height:20px;padding:0 8px}
  .brand{gap:8px}
  .logo-mark{width:34px;height:34px;border-radius:11px;font-size:15px}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a{padding:0 18px 18px}
  .hero-tags span{font-size:12px;padding:6px 12px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --brand:#6A3DE8;
  --brand-2:#9B4DF0;
  --accent:#FF6B4A;
  --mint:#10C9A8;
  --ink:#1B1533;
  --ink-2:#4A4460;
  --ink-3:#7C7791;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --dark:#17122B;
  --line:#E8E4F5;
  --grad:linear-gradient(120deg,#6A3DE8 0%,#9B4DF0 46%,#FF6B4A 100%);
  --radius-lg:24px;
  --radius:20px;
  --radius-sm:14px;
  --shadow:0 8px 24px rgba(27,21,51,.06);
  --shadow-hover:0 16px 40px rgba(106,61,232,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font:inherit;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:8px;}
::selection{background:rgba(106,61,232,.18);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(27,21,51,.07);}
.nav-wrap{display:flex;align-items:center;gap:16px;height:72px;}

.brand{display:inline-flex;align-items:center;gap:8px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:15px;flex-shrink:0;
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;}
.logo-badge{
  font-size:12px;line-height:22px;height:22px;padding:0 10px;border-radius:999px;font-weight:700;
  color:var(--brand);white-space:nowrap;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  border:1px solid transparent;
}

.nav-search{
  flex:1 1 auto;min-width:180px;max-width:420px;
  display:flex;align-items:center;height:46px;margin:0 auto;
  border:1px solid var(--line);background:var(--bg);border-radius:999px;
  padding:0 4px 0 16px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(106,61,232,.12);}
.nav-search > i{color:var(--ink-3);font-size:14px;margin-right:10px;}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search button{
  height:38px;padding:0 20px;border-radius:999px;background:var(--grad);color:#fff;
  font-size:14px;font-weight:700;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(106,61,232,.32);}
.nav-search button:active{transform:translateY(0);}

.nav-links{display:flex;align-items:center;gap:2px;flex-shrink:0;}
.nav-links a{
  position:relative;padding:9px 10px;font-size:13.5px;font-weight:600;color:var(--ink-2);
  border-radius:10px;white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--brand);background:#F3EEFF;}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:1px;height:3px;border-radius:3px;background:var(--grad);
}

.nav-cta{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;white-space:nowrap;flex-shrink:0;
  box-shadow:0 8px 20px rgba(106,61,232,.24);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(106,61,232,.32);}
.nav-cta:active{transform:translateY(0);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;font-size:16px;color:var(--ink);flex-shrink:0;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:#F3EEFF;border-color:#D9CCFF;}

/* 移动端面板 */
.mobile-panel{
  display:none;background:#fff;border-top:1px solid var(--line);
  padding:16px 0 22px;box-shadow:0 18px 30px rgba(27,21,51,.08);
}
.mobile-panel.is-open{display:block;}
.mobile-search{
  display:flex;align-items:center;height:48px;border:1px solid var(--line);background:var(--bg);
  border-radius:999px;padding:0 4px 0 16px;margin-bottom:16px;
}
.mobile-search i{color:var(--ink-3);margin-right:10px;font-size:14px;}
.mobile-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;}
.mobile-search button{height:40px;padding:0 18px;border-radius:999px;background:var(--grad);color:#fff;font-size:14px;font-weight:700;}
.mobile-links{display:grid;gap:6px;}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-radius:14px;font-size:15px;font-weight:600;color:var(--ink-2);
  background:#FAF9FE;border:1px solid var(--line);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.mobile-links a:hover,.mobile-links a.active{color:var(--brand);background:#F3EEFF;border-color:#D9CCFF;}
.mobile-links a i{font-size:12px;color:var(--ink-3);}
.mobile-cta{display:block;text-align:center;margin-top:16px;}

/* ============ 分类页头部 ============ */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--grad);
  padding:44px 0 56px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.5;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 70%);
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr;
  gap:44px;align-items:center;
}
.breadcrumb{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);
  font-size:13px;margin-bottom:20px;
}
.breadcrumb ol{display:flex;align-items:center;flex-wrap:wrap;}
.breadcrumb li{display:flex;align-items:center;}
.breadcrumb li+li::before{content:"/";margin:0 9px;color:rgba(255,255,255,.5);}
.breadcrumb a{color:rgba(255,255,255,.86);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb [aria-current="page"]{font-weight:700;color:#fff;}

.cat-hero h1{
  font-size:clamp(28px,4.4vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.25;
  margin-bottom:16px;
  text-shadow:0 6px 24px rgba(23,18,43,.18);
}
.cat-hero-sub{
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.9);max-width:520px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags span{
  font-size:13px;font-weight:600;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);color:#fff;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.hero-tags span:hover{background:rgba(255,255,255,.28);transform:translateY(-2px);}

.cat-hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/3;border:1px solid rgba(255,255,255,.3);
  box-shadow:0 24px 50px rgba(23,18,43,.28);
  background:linear-gradient(120deg,#6A3DE8,#9B4DF0 46%,#FF6B4A);
}
.cat-hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:-14px;bottom:18px;z-index:3;
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.96);border-radius:16px;padding:12px 18px;
  box-shadow:0 14px 30px rgba(23,18,43,.22);
  animation:floatY 5s ease-in-out infinite;
}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}
.hero-float i{color:var(--accent);font-size:18px;}
.hero-float strong{display:block;font-size:15px;font-weight:800;color:var(--ink);line-height:1.3;}
.hero-float span{font-size:12px;color:var(--ink-3);}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-head{margin-bottom:32px;}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.02em;
  margin-bottom:12px;
}
.section-head p{font-size:15px;color:var(--ink-2);max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand);letter-spacing:.04em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--grad);}

/* ============ 分类简介 ============ */
.cat-intro{padding:64px 0 8px;}
.intro-inner{max-width:820px;}
.intro-inner h2{
  font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.02em;margin-bottom:20px;
}
.intro-inner p{font-size:16.5px;line-height:1.95;color:var(--ink-2);margin-bottom:16px;}
.intro-inner p:last-child{margin-bottom:0;}
.intro-points{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px;
}
.intro-point{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.intro-point:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.intro-point strong{display:block;font-size:15px;font-weight:700;margin-bottom:4px;}
.intro-point span{font-size:13.5px;color:var(--ink-3);}

/* ============ 主体布局 ============ */
.cat-layout{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.cat-main{padding:0 12px;flex:0 0 66.6667%;max-width:66.6667%;}
.cat-side{padding:0 12px;flex:0 0 33.3333%;max-width:33.3333%;}

.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}

.guide-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#DCCFFF;}
.guide-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad);}
.guide-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.guide-card:hover .guide-cover img{transform:scale(1.03);}
.chip{
  position:absolute;top:12px;left:12px;height:26px;line-height:26px;padding:0 12px;
  border-radius:999px;background:rgba(23,18,43,.74);color:#fff;font-size:12px;font-weight:600;
  backdrop-filter:blur(4px);
}
.guide-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.guide-body h3{font-size:17px;font-weight:700;line-height:1.5;transition:color .2s var(--ease);}
.guide-card:hover .guide-body h3{color:var(--brand);}
.guide-body p{
  font-size:14.5px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.guide-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);padding-top:6px;
}
.guide-meta .link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:13.5px;
}
.guide-meta .link-arrow i{transition:transform .22s var(--ease);}
.guide-card:hover .link-arrow i{transform:translateX(4px);}

/* 侧栏速览卡 */
.side-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);overflow:hidden;
}
.side-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.side-card h2{font-size:19px;font-weight:800;line-height:1.4;margin:6px 0 8px;}
.side-card .side-sub{font-size:13.5px;color:var(--ink-3);margin-bottom:18px;}
.side-list{display:grid;gap:14px;}
.side-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding-bottom:14px;border-bottom:1px dashed var(--line);
  font-size:14.5px;line-height:1.75;color:var(--ink-2);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li i{color:var(--mint);font-size:12px;margin-top:7px;flex-shrink:0;}
.side-list li strong{color:var(--ink);font-weight:700;}
.side-foot{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
}
.side-foot a{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand);
}
.side-foot a i{transition:transform .22s var(--ease);}
.side-foot a:hover i{transform:translateX(4px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:700;line-height:1;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(106,61,232,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(106,61,232,.36);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:#F1EBFF;border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(23,18,43,.2);}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px);}

.link-arrow{
  display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:700;font-size:14.5px;
}
.link-arrow i{transition:transform .22s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{
  position:relative;background:var(--bg);border:1px solid var(--line);border-radius:16px;
  margin-bottom:12px;overflow:hidden;
  transition:background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad);opacity:0;transition:opacity .22s var(--ease);
}
.faq-item.is-open{background:#fff;box-shadow:var(--shadow);border-color:#DCCFFF;}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:700;text-align:left;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q .faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;
  background:#F3EEFF;color:var(--brand);
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-2);}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA ============ */
.cta-section{padding:16px 0 72px;}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--grad);color:#fff;
  padding:44px 46px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
  box-shadow:0 24px 50px rgba(106,61,232,.26);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:640px;}
.cta-text h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;line-height:1.35;margin-bottom:12px;}
.cta-text p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.92);}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--dark);color:#fff;padding:64px 0 0;margin-top:8px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:32px;padding-bottom:42px;
}
.footer-brand{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:11px;}
.footer-brand .logo-text{color:#fff;font-size:17px;font-weight:800;}
.site-footer .logo-badge{
  background:linear-gradient(#17122B,#17122B) padding-box,var(--grad) border-box;
  color:#E4DAFF;
}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:18px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  font-size:12px;padding:5px 13px;border-radius:999px;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.74);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.footer-tags span:hover{background:rgba(16,201,168,.18);color:var(--mint);}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  font-size:14px;color:rgba(255,255,255,.62);transition:color .2s var(--ease);
}
.footer-col ul a:hover{color:var(--mint);}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:1.75;color:rgba(255,255,255,.62);
}
.footer-contact i{color:var(--mint);margin-top:5px;flex-shrink:0;font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .nav-search{max-width:340px;}
  .nav-links a{padding:9px 8px;font-size:13px;}
}
@media (max-width:1024px){
  .nav-wrap{height:64px;}
  .nav-search,.nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .cat-hero-inner{grid-template-columns:1fr;gap:32px;}
  .cat-hero-visual{max-width:460px;aspect-ratio:16/10;}
  .cat-main,.cat-side{flex:0 0 100%;max-width:100%;}
  .cat-side{margin-bottom:28px;order:-1;}
  .side-card{position:static;}
  .section{padding:56px 0;}
  .cat-intro{padding:48px 0 8px;}
  .cta-band{padding:36px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .guide-grid{grid-template-columns:1fr;}
  .intro-points{grid-template-columns:1fr;}
  .cat-hero{padding:34px 0 44px;}
  .cat-hero-sub{font-size:15px;}
  .hero-tags span{font-size:12.5px;padding:6px 13px;}
  .hero-float{left:10px;bottom:12px;padding:10px 14px;}
  .hero-float strong{font-size:14px;}
  .cta-band{padding:30px 24px;gap:24px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .logo-text{font-size:16px;}
  .logo-badge{height:20px;line-height:20px;font-size:11px;padding:0 8px;}
  .section{padding:44px 0;}
  .cat-intro{padding:40px 0 4px;}
  .intro-inner p{font-size:16px;}
  .guide-body{padding:18px;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;justify-content:center;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --brand:#6A3DE8;
  --brand-2:#9B4DF0;
  --accent:#FF6B4A;
  --mint:#10C9A8;
  --ink:#1B1533;
  --ink-2:#4A4460;
  --ink-3:#7C7791;
  --bg:#F7F5FC;
  --surface:#FFFFFF;
  --dark:#17122B;
  --line:#E8E4F5;
  --grad:linear-gradient(120deg,#6A3DE8 0%,#9B4DF0 46%,#FF6B4A 100%);
  --grad-soft:linear-gradient(120deg,rgba(106,61,232,.12) 0%,rgba(255,107,74,.12) 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r:20px;
  --r-sm:14px;
  --sh:0 8px 24px rgba(27,21,51,.06);
  --sh-h:0 16px 40px rgba(106,61,232,.16);
  --container:1200px;
  --sect:72px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:8px}
::selection{background:rgba(106,61,232,.18)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 26px rgba(27,21,51,.07)}
.header-inner{display:flex;align-items:center;gap:14px;height:72px}
.brand{display:flex;align-items:center;gap:8px;flex:0 0 auto;padding:4px 0}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;
  box-shadow:0 6px 16px rgba(106,61,232,.3);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.logo-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--brand);white-space:nowrap;
  border:1px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
}
.nav-search{
  flex:1 1 280px;max-width:420px;display:flex;align-items:center;gap:10px;
  height:46px;padding:0 4px 0 16px;background:var(--bg);
  border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(106,61,232,.12)}
.nav-search>i{color:var(--ink-3);font-size:14px}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  flex:0 0 auto;height:38px;padding:0 18px;border:0;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.nav-search button:hover{filter:brightness(1.07)}
.nav-search button:active{transform:translateY(1px)}
.nav-links{display:flex;align-items:center;gap:4px;flex:0 1 auto;flex-wrap:nowrap}
.nav-links a{
  position:relative;padding:8px 10px;font-size:14px;color:var(--ink-2);
  border-radius:10px;white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--brand);background:#F1EBFF}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-2px;height:3px;border-radius:3px;background:var(--grad);
}
.header-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 18px;
  border-radius:999px;background:var(--grad);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 8px 20px rgba(106,61,232,.24);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(106,61,232,.3)}
.header-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mobile-panel{
  display:none;background:#fff;border-top:1px solid var(--line);
  padding:16px 0 22px;box-shadow:0 20px 40px rgba(27,21,51,.08);
}
.mobile-panel.open{display:block}
.mobile-panel .mp-search{display:flex;align-items:center;gap:10px;height:48px;padding:0 6px 0 16px;background:var(--bg);border:1px solid var(--line);border-radius:999px;margin-bottom:16px}
.mobile-panel .mp-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.mobile-panel .mp-search button{border:0;height:38px;padding:0 18px;border-radius:999px;background:var(--grad);color:#fff;font-weight:700;cursor:pointer}
.mp-links{display:grid;gap:6px}
.mp-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-radius:14px;background:#FBF9FF;border:1px solid var(--line);
  font-size:15px;color:var(--ink-2);transition:background .2s var(--ease),color .2s var(--ease);
}
.mp-links a:hover{background:#F1EBFF;color:var(--brand)}
.mp-links a.active{color:var(--brand);font-weight:700;border-color:#DCD2F8}
.mp-cta{margin-top:16px;display:flex;justify-content:center;align-items:center;height:48px;border-radius:999px;background:var(--grad);color:#fff;font-weight:700}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:18px 0 0}
.crumb{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--ink-3);
}
.crumb ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--ink-3)}
.crumb a{color:var(--brand)}
.crumb a:hover{text-decoration:underline}
.crumb [aria-current="page"]{color:var(--ink);font-weight:700}

/* ---------- mini hero ---------- */
.mini-hero-section{padding:18px 0 0}
.mini-hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;
  padding:38px 40px;
  display:grid;grid-template-columns:1.35fr .9fr;gap:28px;align-items:center;
  min-height:260px;
  box-shadow:0 20px 50px rgba(106,61,232,.22);
}
.mini-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:18px 18px;opacity:.5;pointer-events:none;
}
.mini-hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);pointer-events:none;
}
.mini-hero-copy{position:relative;z-index:2}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.mini-hero h1{
  margin-top:16px;
  font-size:clamp(26px,3.6vw,42px);
  font-weight:800;letter-spacing:-.02em;line-height:1.25;color:#fff;
}
.hero-sub{margin-top:12px;font-size:16px;line-height:1.7;color:rgba(255,255,255,.92);max-width:560px}
.hero-meta{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;color:rgba(255,255,255,.9)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.mini-hero-media{position:relative;z-index:2}
.mini-hero-media .media-frame{
  position:relative;border-radius:var(--r);overflow:hidden;border:1px solid rgba(255,255,255,.35);
  aspect-ratio:4/3;background:rgba(255,255,255,.12);
}
.mini-hero-media img{width:100%;height:100%;object-fit:cover}
.float-badge{
  position:absolute;left:-14px;bottom:16px;
  display:flex;flex-direction:column;align-items:flex-start;gap:2px;
  padding:12px 16px;border-radius:16px;background:#fff;color:var(--ink);
  box-shadow:0 14px 32px rgba(23,18,43,.22);
}
.float-badge b{font-size:30px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;color:var(--brand)}
.float-badge em{font-style:normal;font-size:12px;color:var(--ink-3)}

/* ---------- sections ---------- */
.section{padding:var(--sect) 0}
.section.tight{padding-top:8px}
.section-head{max-width:760px;margin-bottom:32px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 13px;border-radius:999px;
  background:#F1EBFF;color:var(--brand);font-size:12.5px;font-weight:700;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;letter-spacing:-.02em}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px}

/* ---------- intro ---------- */
.intro-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.95fr);gap:32px;align-items:start}
.intro-body{max-width:820px}
.intro-body p{font-size:16px;line-height:1.9;color:var(--ink-2);margin-bottom:16px}
.intro-body p:last-child{margin-bottom:0}
.intro-body strong{color:var(--ink);font-weight:700}
.intro-aside{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh);
}
.intro-aside h3{font-size:17px;margin-bottom:14px}
.intro-aside ul{display:grid;gap:12px}
.intro-aside li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.intro-aside li i{color:var(--mint);margin-top:4px;flex:0 0 auto}

/* ---------- pack cards ---------- */
.pack-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.pack-card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:28px 22px 22px;overflow:hidden;box-shadow:var(--sh);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.pack-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.pack-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#DCD2F8}
.pack-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-size:18px;color:var(--brand);background:#F1EBFF;
}
.pack-card:nth-child(3n+2) .pack-icon{color:#E0563A;background:#FFEDE8}
.pack-card:nth-child(3n) .pack-icon{color:#0B9E86;background:#E2FAF4}
.pack-card h3{font-size:17px;font-weight:700}
.pack-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;flex:1 1 auto}
.pack-card .pack-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px}
.pill-btn{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 18px;border-radius:999px;
  background:#F1EBFF;color:var(--brand);font-size:13.5px;font-weight:700;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.pill-btn:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}
.pack-tag{
  font-size:12px;color:var(--ink-3);display:inline-flex;align-items:center;gap:6px;
}
.pack-tag i{color:var(--mint)}

/* ---------- status rows ---------- */
.status-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh);
}
.status-list{display:grid;gap:12px}
.status-row{
  display:grid;grid-template-columns:46px minmax(0,1fr) auto auto 22px;
  align-items:center;gap:16px;min-height:72px;padding:12px 18px;
  background:#FBF9FF;border:1px solid var(--line);border-radius:16px;
  transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.status-row:hover{background:#F1EBFF;transform:translateX(3px);border-color:#DCD2F8}
.status-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-size:17px;color:#fff;background:var(--grad);
}
.status-row:nth-child(2n) .status-ico{background:linear-gradient(120deg,#10C9A8,#6A3DE8)}
.status-row:nth-child(3n) .status-ico{background:linear-gradient(120deg,#FF6B4A,#9B4DF0)}
.status-main h3{font-size:16px;font-weight:700}
.status-main p{font-size:13.5px;color:var(--ink-3);margin-top:2px}
.state{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;white-space:nowrap;
}
.state.live{background:#E2FAF4;color:#0B8F79}
.state.soon{background:#FFF3E4;color:#B96B1E}
.state.bind{background:#F1EBFF;color:var(--brand)}
.state.over{background:#F1EFF6;color:var(--ink-3)}
.status-time{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;white-space:nowrap}
.status-row .go{color:var(--ink-3);transition:transform .2s var(--ease),color .2s var(--ease)}
.status-row:hover .go{color:var(--brand);transform:translateX(4px)}

/* ---------- checklist + side ---------- */
.prep-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:28px;align-items:start}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check-item{
  display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:18px;box-shadow:var(--sh);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.check-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:var(--brand);background:#F1EBFF;font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:15.5px;margin-bottom:4px}
.check-item p{font-size:13.8px;color:var(--ink-2);line-height:1.7}
.aside-card{
  background:var(--dark);color:#fff;border-radius:var(--r-lg);padding:24px 22px;
  position:relative;overflow:hidden;
}
.aside-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.aside-card::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:16px 16px;pointer-events:none;
}
.aside-card h3{position:relative;z-index:1;font-size:18px;margin-bottom:8px}
.aside-card>p{position:relative;z-index:1;font-size:13.8px;color:rgba(255,255,255,.72);line-height:1.75}
.aside-stats{position:relative;z-index:1;display:grid;gap:14px;margin:20px 0 18px}
.aside-stat{display:flex;align-items:baseline;gap:10px}
.aside-stat b{font-size:34px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#B79BFF,#FF9D86);-webkit-background-clip:text;background-clip:text;color:transparent}
.aside-stat span{font-size:13px;color:rgba(255,255,255,.72)}
.aside-card .ghost-btn{
  position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:46px;border-radius:999px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.24);color:#fff;font-size:14px;font-weight:700;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.aside-card .ghost-btn:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}

/* ---------- CTA band ---------- */
.cta-section{padding:0 0 var(--sect)}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 20px 50px rgba(106,61,232,.22);
}
.cta-band::after{
  content:"";position:absolute;width:380px;height:380px;right:-120px;bottom:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.26),transparent 70%);pointer-events:none;
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);position:relative;z-index:1}
.cta-band p{position:relative;z-index:1;margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);max-width:620px}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 26px;border-radius:999px;
  background:#fff;color:var(--brand);font-size:15px;font-weight:700;
  box-shadow:0 12px 28px rgba(23,18,43,.18);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(23,18,43,.24)}
.btn-solid i{transition:transform .2s var(--ease)}
.btn-solid:hover i{transform:translateX(3px)}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 24px;border-radius:999px;
  background:transparent;color:#fff;font-size:15px;font-weight:700;
  border:1px solid rgba(255,255,255,.6);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-line:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#fff;padding:64px 0 0;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:32px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-brand{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand .logo-text{color:#fff;font-size:17px}
.footer-brand .logo-badge{background:linear-gradient(var(--dark),var(--dark)) padding-box,var(--grad) border-box;color:#C9B8FF}
.footer-desc{font-size:13.8px;line-height:1.8;color:rgba(255,255,255,.62);max-width:360px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  font-size:12px;color:rgba(255,255,255,.72);
}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.64);transition:color .2s var(--ease)}
.footer-col ul a:hover{color:var(--mint)}
.footer-contact li{display:flex;gap:10px;font-size:13.6px;color:rgba(255,255,255,.64);line-height:1.75}
.footer-contact i{color:var(--mint);margin-top:5px;flex:0 0 auto}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-links a{padding:8px 8px;font-size:13.5px}
  .nav-search{max-width:340px}
}
@media (max-width:1024px){
  :root{--sect:56px}
  .container{padding:0 20px}
  .nav-links,.header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-search{max-width:none}
  .header-inner{gap:12px}
  .mini-hero{grid-template-columns:1fr;padding:32px 26px;gap:22px}
  .mini-hero-media{max-width:420px}
  .intro-grid{grid-template-columns:1fr}
  .prep-grid{grid-template-columns:1fr}
  .pack-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
}
@media (max-width:768px){
  :root{--sect:48px}
  .container{padding:0 18px}
  .header-inner{height:64px}
  .logo-text{font-size:16.5px}
  .nav-search{height:42px;padding-left:14px}
  .nav-search button{height:34px;padding:0 14px;font-size:13px}
  .mini-hero{border-radius:22px}
  .mini-hero-media .media-frame{aspect-ratio:16/10}
  .float-badge{left:10px}
  .pack-grid{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr}
  .status-row{grid-template-columns:46px minmax(0,1fr);row-gap:10px;padding:16px}
  .status-row .status-time,.status-row .go{grid-column:2}
  .status-row .state{grid-column:2;justify-self:start}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .btn-solid,.btn-line{width:100%;justify-content:center}
}
@media (max-width:560px){
  :root{--sect:44px}
  .container{padding:0 16px}
  .brand{gap:6px}
  .logo-badge{height:20px;font-size:11px;padding:0 7px}
  .mini-hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .section-head h2{font-size:22px}
  .cta-band{padding:28px 22px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
  --brand:#6A3DE8;
  --brand-2:#9B4DF0;
  --accent:#FF6B4A;
  --mint:#10C9A8;
  --ink:#1B1533;
  --ink-2:#4A4460;
  --ink-3:#7C7791;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --dark:#17122B;
  --line:#E8E4F5;
  --grad:linear-gradient(120deg,#6A3DE8 0%,#9B4DF0 46%,#FF6B4A 100%);
  --grad-soft:linear-gradient(135deg,#6A3DE8 0%,#9B4DF0 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(27,21,51,.06);
  --sh-hover:0 16px 40px rgba(106,61,232,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
button{font:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
strong{font-weight:800;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.grid-x{margin-left:-12px;margin-right:-12px;}
.foundation-clean h1,.foundation-clean h2,.foundation-clean h3{line-height:1.3;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(27,21,51,.07);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:9px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;box-shadow:0 6px 16px rgba(106,61,232,.28);
}
.logo-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.logo-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;
  font-size:12px;font-weight:700;color:var(--brand);
  border-radius:999px;border:1px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
}
.nav-search{
  flex:1 1 300px;min-width:200px;max-width:460px;height:46px;
  display:flex;align-items:center;gap:8px;
  background:var(--bg);border:1px solid var(--line);
  border-radius:999px;padding:0 5px 0 16px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(106,61,232,.10);}
.nav-search i{color:var(--ink-3);font-size:14px;}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search button{
  height:36px;padding:0 18px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.nav-search button:hover{filter:brightness(1.06);}
.nav-search button:active{transform:translateY(1px);}
.nav-links{display:flex;align-items:center;gap:2px;flex:0 0 auto;}
.nav-links a{
  position:relative;padding:9px 10px;font-size:14px;font-weight:600;
  color:var(--ink-2);border-radius:10px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:3px;
  border-radius:999px;background:var(--grad);opacity:0;transform:scaleX(.4);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.nav-links a:hover{color:var(--brand);background:#F3EEFF;}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{opacity:1;transform:scaleX(1);}
.nav-cta{
  flex:0 0 auto;height:42px;padding:0 20px;border-radius:999px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:#fff;background:var(--grad);
  box-shadow:0 8px 20px rgba(106,61,232,.26);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(106,61,232,.32);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  background:var(--bg);border:1px solid var(--line);
  color:var(--ink);font-size:17px;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:#F1EBFF;color:var(--brand);}
.mobile-drawer{
  display:none;position:fixed;inset:72px 0 0 0;z-index:55;
  background:rgba(23,18,43,.42);padding:16px;
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.mobile-drawer.is-open{opacity:1;visibility:visible;}
.drawer-card{
  background:#fff;border-radius:20px;padding:18px;
  box-shadow:0 18px 44px rgba(27,21,51,.20);
  max-height:calc(100vh - 110px);overflow-y:auto;
  transform:translateY(-8px);transition:transform .24s var(--ease);
}
.mobile-drawer.is-open .drawer-card{transform:translateY(0);}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:48px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  padding:0 5px 0 16px;margin-bottom:16px;
}
.drawer-search i{color:var(--ink-3);font-size:14px;}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;}
.drawer-search button{
  height:38px;padding:0 16px;border-radius:999px;background:var(--grad);
  color:#fff;font-size:14px;font-weight:700;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.drawer-links a{
  padding:12px 14px;border-radius:14px;font-size:15px;font-weight:600;
  color:var(--ink-2);background:var(--bg);
}
.drawer-links a.active{color:var(--brand);background:#F1EBFF;}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:48px;border-radius:999px;background:var(--grad);color:#fff;
  font-size:15px;font-weight:700;
}
.drawer-cta:hover{color:#fff;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn i{font-size:13px;}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 10px 24px rgba(106,61,232,.28);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px rgba(106,61,232,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;color:var(--ink);border:1px solid var(--ink);
}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:#F1EBFF;}
.btn-ghost-dark{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);
}
.btn-ghost-dark:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.14);}
.btn-text{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.btn-text i{transition:transform .2s var(--ease);}
.btn-text:hover i{transform:translateX(3px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:inline-flex;align-items:center;height:44px;padding:0 18px;
  border-radius:999px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);margin-bottom:26px;
}
.breadcrumb ol{display:flex;align-items:center;font-size:13px;color:rgba(255,255,255,.78);}
.breadcrumb li{display:flex;align-items:center;}
.breadcrumb li+li::before{content:"/";margin:0 9px;color:rgba(255,255,255,.45);}
.breadcrumb a{color:rgba(255,255,255,.82);font-weight:600;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb li[aria-current] {color:#fff;font-weight:700;}

/* ============ 迷你 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#5A2ED8 0%,#7B3FE4 46%,#E85B3C 100%);
  padding:34px 0 76px;
  border-radius:0 0 32px 32px;
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.55;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;
  border-radius:50%;background:rgba(255,255,255,.10);filter:blur(10px);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:44px;align-items:center;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;
}
.hero-kicker i{font-size:12px;color:#8CF0DC;}
.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.25;
  color:#fff;margin-bottom:14px;
}
.hero-sub{font-size:16px;line-height:1.8;color:rgba(255,255,255,.88);max-width:620px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;}
.hero-stats div{display:flex;align-items:baseline;gap:7px;font-size:13px;color:rgba(255,255,255,.8);}
.hero-stats strong{font-size:22px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px;
  border:1px solid rgba(255,255,255,.24);
  box-shadow:0 24px 60px rgba(23,18,43,.34);
}
.float-card{
  position:absolute;display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:16px;background:rgba(255,255,255,.97);
  box-shadow:0 14px 32px rgba(23,18,43,.22);
  animation:floatY 5s ease-in-out infinite;
}
.float-card i{font-size:16px;color:var(--brand);}
.float-card strong{display:block;font-size:13px;color:var(--ink);line-height:1.3;}
.float-card span{display:block;font-size:12px;color:var(--ink-3);line-height:1.4;}
.fc-1{left:-14px;bottom:24px;}
.fc-2{right:-10px;top:26px;animation-delay:1.6s;}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;margin-bottom:12px;}
.section-head p{font-size:15.5px;color:var(--ink-2);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 13px;
  border-radius:999px;background:#F1EBFF;color:var(--brand);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow i{font-size:11px;}
.lead-text{max-width:820px;font-size:16.5px;line-height:1.9;color:var(--ink-2);}
.lead-text p{margin-bottom:1.1em;}

/* ============ 准备清单 + 图 ============ */
.prep-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.72fr);gap:44px;align-items:center;}
.check-list{display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:15px 18px;font-size:15px;color:var(--ink-2);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.check-list li:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#DCD3F8;}
.check-list li i{color:var(--mint);font-size:15px;margin-top:4px;}
.check-list b{color:var(--ink);font-weight:700;margin-right:6px;}
.prep-figure{margin:0;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh);border:1px solid var(--line);background:#fff;}
.prep-figure img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.prep-figure figcaption{padding:12px 16px;font-size:13px;color:var(--ink-3);background:#fff;}

/* ============ 下载大卡 ============ */
.download-card{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh);
}
.download-card .dc-media{position:relative;overflow:hidden;min-height:320px;}
.download-card .dc-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.download-card:hover .dc-media img{transform:scale(1.03);}
.dc-body{padding:36px 40px;display:flex;flex-direction:column;justify-content:center;gap:16px;}
.dc-body h3{font-size:22px;font-weight:800;line-height:1.35;}
.dc-body p{font-size:15.5px;line-height:1.85;color:var(--ink-2);margin:0;}
.dc-meta{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:700;
  background:#F1EBFF;color:var(--brand);
}
.tag-mint{background:rgba(16,201,168,.12);color:#0A8E77;}
.tag-warm{background:rgba(255,107,74,.12);color:#D1431F;}
.dc-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}

/* ============ 步骤条 ============ */
.steps{position:relative;max-width:900px;margin:0 auto;}
.steps::before{
  content:"";position:absolute;left:31px;top:16px;bottom:16px;width:2px;
  background:var(--grad);border-radius:999px;opacity:.35;
}
.step{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:0 0 28px;position:relative;}
.step:last-child{padding-bottom:0;}
.step-num{
  width:64px;height:64px;border-radius:20px;background:var(--grad);
  color:#fff;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px rgba(106,61,232,.26);position:relative;z-index:2;
}
.step-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 24px;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-body:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#DCD3F8;}
.step-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--ink-2);margin:0;}
.step-body .step-note{
  display:inline-flex;align-items:center;gap:7px;margin-top:10px;
  font-size:13px;color:var(--mint);font-weight:700;
}

/* ============ 行卡清单 ============ */
.row-list{display:grid;gap:12px;}
.row-card{
  display:grid;grid-template-columns:56px minmax(0,1.3fr) minmax(0,1fr) 120px 40px;
  align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 20px;min-height:72px;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.row-card:hover{background:#F6F1FF;transform:translateY(-2px);box-shadow:var(--sh);border-color:#DCD3F8;}
.row-ico{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:17px;color:#fff;background:var(--grad-soft);
}
.row-ico.alt{background:linear-gradient(135deg,#FF6B4A 0%,#FF9A6B 100%);}
.row-ico.mint{background:linear-gradient(135deg,#10C9A8 0%,#4BE0C4 100%);}
.row-name{font-size:16px;font-weight:700;color:var(--ink);}
.row-desc{font-size:14px;color:var(--ink-3);}
.row-state{display:flex;justify-content:flex-start;}
.row-arrow{font-size:14px;color:var(--ink-3);text-align:right;transition:transform .2s var(--ease),color .2s var(--ease);}
.row-card:hover .row-arrow{color:var(--brand);transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:#F7F5FC;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;position:relative;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.faq-item:hover{border-color:#DCD3F8;}
.faq-item.is-open{background:#fff;border-color:#DCD3F8;box-shadow:var(--sh);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad);opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-q i{
  flex:0 0 auto;font-size:14px;color:var(--brand);
  transition:transform .24s var(--ease);
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease),padding .3s var(--ease);
  padding:0 22px;
}
.faq-item.is-open .faq-a{max-height:400px;padding:0 22px 20px;}
.faq-a p{font-size:15px;line-height:1.85;color:var(--ink-2);margin:0;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;
  padding:48px 44px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);
  gap:28px;align-items:center;box-shadow:0 22px 50px rgba(106,61,232,.26);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cta-band>*{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;color:#fff;}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.9);margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-band .btn-primary{background:#fff;color:var(--brand);box-shadow:0 12px 26px rgba(23,18,43,.18);}
.cta-band .btn-primary:hover{color:var(--brand);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  margin-top:80px;position:relative;padding-top:56px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-badge{color:#C9B6FF;background:linear-gradient(#17122B,#17122B) padding-box,var(--grad) border-box;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:18px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.10);
  font-size:12.5px;color:rgba(255,255,255,.72);
}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.62);}
.footer-col ul a:hover{color:var(--mint);}
.footer-contact li{display:flex;gap:9px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.7;}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 28px;font-size:12.5px;color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .nav-links a{font-size:13.5px;padding:9px 8px;}
  .nav-search{max-width:360px;}
}
@media (max-width:1024px){
  .nav-search{display:none;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .mobile-drawer{display:block;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{max-width:520px;}
  .prep-grid{grid-template-columns:1fr;gap:28px;}
  .download-card{grid-template-columns:1fr;}
  .download-card .dc-media{min-height:240px;aspect-ratio:16/10;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .page-hero{padding:24px 0 56px;border-radius:0 0 24px 24px;}
  .dc-body{padding:26px 22px;}
  .row-card{
    grid-template-columns:48px 1fr 32px;
    grid-template-areas:"ico name arrow" ". desc desc" ;
    gap:8px 12px;padding:14px 16px;min-height:auto;
  }
  .row-ico{grid-area:ico;width:40px;height:40px;}
  .row-name{grid-area:name;font-size:15px;}
  .row-desc{grid-area:desc;font-size:13.5px;}
  .row-state{display:none;}
  .row-arrow{grid-area:arrow;align-self:center;}
  .step{grid-template-columns:52px 1fr;gap:16px;}
  .step-num{width:52px;height:52px;font-size:20px;border-radius:16px;}
  .steps::before{left:25px;}
  .cta-band{border-radius:20px;padding:32px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:560px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .nav-inner{height:64px;}
  .logo-text{font-size:16px;}
  .logo-badge{height:20px;font-size:11px;padding:0 7px;}
  .mobile-drawer{inset:64px 0 0 0;}
  .page-hero h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:16px;}
  .dc-body h3{font-size:19px;}
  .faq-q{font-size:15.5px;padding:16px 16px;}
  .faq-a{padding:0 16px;}
  .faq-item.is-open .faq-a{padding:0 16px 18px;}
  .float-card{padding:8px 11px;}
  .fc-1{left:8px;bottom:12px;}
  .fc-2{right:8px;top:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
}