/* roulang page: index */
:root{
  --ink-900:#0A0910;
  --ink-800:#12101C;
  --ink-700:#171429;
  --ink-600:#1E1A33;
  --brand:#FF3D8B;
  --brand-2:#8A5CFF;
  --accent:#2EE6C8;
  --lime:#D8FF4F;
  --grad-brand:linear-gradient(100deg,#FF2E7E 0%,#8A5CFF 62%,#2EE6C8 100%);
  --text:#F3F1FB;
  --text-2:#B4AECB;
  --text-3:#7C7695;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.18);
  --ok:#3BE08F;
  --warn:#FFB020;
  --danger:#FF5A5A;
  --radius-lg:26px;
  --radius:20px;
  --radius-sm:14px;
  --shadow:0 8px 24px rgba(0,0,0,.40);
  --shadow-hover:0 24px 60px -30px rgba(255,46,126,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#0A0910;
  --bs-body-color:#F3F1FB;
  --bs-primary:#FF3D8B;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#2EE6C8;
  --bs-link-hover-color:#D8FF4F;
}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--ink-900);scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:transparent;
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
  opacity:.8;
}
a{color:var(--accent);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--lime)}
img{max-width:100%;display:block}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--text)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0;position:relative}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.section-title{font-size:clamp(24px,3vw,34px)}
.section-desc{color:var(--text-2);font-size:15px;max-width:640px;margin:12px 0 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--accent);
  background:rgba(46,230,200,.10);
  border:1px solid rgba(46,230,200,.30);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.badge-lime{
  display:inline-flex;align-items:center;
  background:var(--lime);color:#12120A;
  font-size:12px;font-weight:800;letter-spacing:.03em;
  padding:4px 12px;border-radius:999px;
}
.chip{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:700;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 13px;
}
.chip.is-on{color:#0C0710;background:var(--grad-brand);border-color:transparent}
/* 按钮 */
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 30px;border:0;border-radius:999px;
  background:var(--grad-brand);color:#14060F;
  font-size:16px;font-weight:800;letter-spacing:.01em;
  box-shadow:0 12px 32px -14px rgba(255,46,126,.85);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease);
}
.btn-neon:hover{color:#14060F;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 20px 44px -16px rgba(255,46,126,.95)}
.btn-neon:active{transform:translateY(1px)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:999px;
  border:1px solid rgba(46,230,200,.55);
  color:var(--accent);background:transparent;
  font-size:15.5px;font-weight:700;
  transition:background .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.btn-line:hover{background:rgba(46,230,200,.10);border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-line:active{transform:translateY(1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--accent);white-space:nowrap}
.link-arrow svg{transition:transform .24s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,9,16,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background .24s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--grad-brand);opacity:0;transition:opacity .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(10,9,16,.98)}
.site-header.is-scrolled::after{opacity:.9}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-wrap{height:64px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text);font-size:19px;font-weight:800;letter-spacing:-.01em}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:var(--grad-brand);
  display:grid;place-items:center;
  box-shadow:0 8px 20px -10px rgba(255,46,126,.95);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{white-space:nowrap}
.brand-grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--text)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad-brand);
  box-shadow:0 0 10px rgba(255,61,139,.75);
}
.nav-cta{display:inline-flex;align-items:center;height:44px;padding:0 22px;border-radius:999px;background:var(--grad-brand);color:#14060F;font-size:14.5px;font-weight:800;box-shadow:0 10px 26px -14px rgba(255,46,126,.9);transition:transform .24s var(--ease),filter .24s var(--ease)}
.nav-cta:hover{color:#14060F;transform:translateY(-2px);filter:brightness(1.08)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);
  place-items:center;cursor:pointer;color:var(--text);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{
  position:fixed;inset:0;z-index:1050;
  background:#0D0B16;
  padding:18px 22px 40px;
  display:none;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.nav-drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);background:rgba(255,255,255,.04);color:var(--text);font-size:20px;cursor:pointer}
.drawer-link{
  display:block;padding:15px 16px;border-radius:14px;
  color:var(--text-2);font-size:16.5px;font-weight:700;
  border-left:3px solid transparent;
}
.drawer-link.active{color:var(--text);border-left-color:var(--brand);background:rgba(255,61,139,.08)}
.drawer-cta{margin-top:18px;display:flex;align-items:center;justify-content:center;height:52px;border-radius:999px;background:var(--grad-brand);color:#14060F;font-weight:800;font-size:16px}
.drawer-note{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.8}
/* Hero */
.hero{position:relative;overflow:hidden;padding:104px 0 92px;background:var(--ink-900)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.42}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,9,16,.97) 0%,rgba(10,9,16,.88) 46%,rgba(10,9,16,.55) 100%);
}
.hero-glow{
  position:absolute;width:620px;height:620px;right:-120px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,126,.30),rgba(138,92,255,.16) 45%,transparent 72%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-title{font-size:clamp(28px,4.4vw,54px);font-weight:800;letter-spacing:-.025em;line-height:1.16;margin:0 0 20px}
.hero-title .glow{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;margin:0 0 32px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);margin-top:44px;padding-top:26px}
.stat{padding-right:18px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{font-size:clamp(28px,3vw,38px);font-weight:800;line-height:1.2;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:var(--text-3);margin-top:2px}
.hero-card{
  position:relative;background:var(--ink-700);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:18px;box-shadow:var(--shadow);
  transform:translateY(0);
}
.hero-card::before{
  content:"";position:absolute;left:24px;right:24px;top:0;height:2px;border-radius:2px;
  background:var(--grad-brand);opacity:.85;
}
.hero-card .thumb{border-radius:18px;overflow:hidden;aspect-ratio:16/10;position:relative;background:var(--ink-600)}
.hero-card .thumb img{width:100%;height:100%;object-fit:cover}
.hero-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,9,16,.75) 100%)}
.hero-card .thumb .chip{position:absolute;left:14px;bottom:14px;z-index:2;background:rgba(10,9,16,.75);border-color:rgba(255,255,255,.16);color:var(--text)}
.hero-card-body{padding:16px 8px 6px}
.hero-card-body h3{font-size:18px;margin-bottom:8px}
.hero-card-body p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8}
.hero-card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
/* 权益对比 */
.compare-wrap{
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:10px;
  box-shadow:var(--shadow);
}
.compare-table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px}
.compare-table th,.compare-table td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--line);vertical-align:middle}
.compare-table thead th{border-bottom:1px solid var(--line-2);padding-top:20px;padding-bottom:20px}
.compare-table th:first-child,.compare-table td:first-child{text-align:left}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr{transition:background .2s var(--ease)}
.compare-table tbody tr:hover{background:rgba(255,255,255,.035)}
.col-head{display:flex;flex-direction:column;align-items:center;gap:8px}
.col-head .name{font-size:16px;font-weight:800;color:var(--text)}
.col-head .hint{font-size:12px;color:var(--text-3);font-weight:600;letter-spacing:.02em}
.col-head .num{font-size:11.5px;font-weight:800;color:#14060F;background:var(--lime);border-radius:999px;padding:2px 10px}
.col-head.is-hot .name{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.row-name{color:var(--text-2);font-weight:600}
.row-name small{display:block;font-size:12px;color:var(--text-3);font-weight:500;margin-top:2px}
.mark-yes{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:rgba(46,230,200,.16);position:relative}
.mark-yes::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px rgba(46,230,200,.9)}
.mark-no{color:var(--text-3);opacity:.7}
.mark-text{font-size:13px;color:var(--text-2);font-weight:600}
.compare-note{font-size:12.5px;color:var(--text-3);margin:16px 4px 0;line-height:1.8}
/* 等级阶梯 */
.level-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start}
.level-card{
  position:relative;
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  overflow:hidden;
}
.level-card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-brand);opacity:0;transition:opacity .24s var(--ease)}
.level-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-hover)}
.level-card:hover::before{opacity:1}
.level-card.step-1{margin-top:36px}
.level-card.step-2{margin-top:22px}
.level-card.step-3{margin-top:10px}
.level-card.step-4{margin-top:0;border-color:rgba(255,61,139,.32)}
.level-card .ribbon{position:absolute;top:14px;right:14px}
.level-badge{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  font-size:15px;font-weight:800;color:#14060F;
  background:var(--grad-brand);
  margin-bottom:18px;
  box-shadow:0 8px 20px -12px rgba(255,46,126,.9);
}
.level-name{font-size:20px;font-weight:800;margin-bottom:6px}
.level-door{font-size:12.5px;color:var(--text-3);margin-bottom:18px}
.level-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px}
.level-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.level-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px;flex:none;box-shadow:0 0 8px rgba(46,230,200,.7)}
.level-card .btn-line{height:44px;font-size:14px;width:100%;padding:0 16px}
/* 内容预览 */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.content-card{
  position:relative;display:block;
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  color:var(--text);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.content-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-hover);color:var(--text)}
.content-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-600)}
.content-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.content-card:hover .thumb img{transform:scale(1.03)}
.content-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,9,16,.05) 35%,rgba(10,9,16,.82) 100%)}
.content-card .thumb .chip{position:absolute;left:14px;bottom:14px;z-index:2;background:rgba(10,9,16,.78);border-color:rgba(255,255,255,.16);color:var(--text)}
.content-body{padding:18px 20px 22px}
.content-body h3{font-size:18px;margin-bottom:8px}
.content-body p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lock-badge{
  position:absolute;right:12px;top:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(10,9,16,.82);
  border:1px solid rgba(255,255,255,.18);
  color:var(--text-2);
  font-size:12px;font-weight:700;
  padding:4px 11px;border-radius:999px;
}
.content-card.is-locked{opacity:.82}
.content-card.is-locked .thumb img{filter:grayscale(.35) brightness(.72)}
.content-more{margin-top:36px;text-align:center}
/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 24px 20px;
  color:var(--text);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  overflow:hidden;
}
.news-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);opacity:0;transition:opacity .24s var(--ease)}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-hover);color:var(--text)}
.news-card:hover::before{opacity:1}
.news-card h3{font-size:18px;line-height:1.55;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:4px;font-size:13px;color:var(--text-3)}
.news-meta time{font-variant-numeric:tabular-nums}
.empty-state{
  grid-column:1/-1;
  text-align:center;
  padding:56px 24px;
  background:var(--ink-700);
  border:1px dashed var(--line-2);
  border-radius:var(--radius);
}
.empty-state .icon{width:54px;height:54px;margin:0 auto 16px;border-radius:16px;background:rgba(255,255,255,.05);display:grid;place-items:center;color:var(--text-3)}
.empty-state p{color:var(--text-2);margin:0 0 18px;font-size:15px}
/* FAQ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}
.faq-item{
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 22px;
  font-size:17px;font-weight:700;color:var(--text);
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;color:var(--text-3);font-weight:700;font-size:20px;line-height:1;flex:none;transition:color .2s var(--ease),transform .2s var(--ease);
}
.faq-item[open] summary::after{content:"−";color:var(--accent)}
.faq-num{font-size:12.5px;font-weight:800;letter-spacing:.08em;color:var(--text-3);padding-top:4px;flex:none;font-variant-numeric:tabular-nums}
.faq-item[open]{border-color:rgba(46,230,200,.32);background:var(--ink-600)}
.faq-item[open] .faq-num{color:var(--accent)}
.faq-body{padding:0 22px 20px 60px;font-size:15px;color:var(--text-2);line-height:1.9}
.ask-card{
  position:sticky;top:96px;
  background:linear-gradient(160deg,rgba(255,61,139,.14),rgba(138,92,255,.10));
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  padding:26px 24px;
}
.ask-card h3{font-size:19px;margin-bottom:10px}
.ask-card p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:18px}
.ask-card .field{margin-bottom:14px}
.ask-card label{display:block;font-size:13px;color:var(--text-3);margin-bottom:6px;font-weight:600}
.ask-card input,.ask-card textarea{
  width:100%;background:var(--ink-800);
  border:1px solid var(--line-2);
  border-radius:14px;
  height:48px;padding:0 15px;
  color:var(--text);font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ask-card textarea{height:88px;padding:12px 15px;resize:vertical;line-height:1.7}
.ask-card input::placeholder,.ask-card textarea::placeholder{color:var(--text-3)}
.ask-card input:focus,.ask-card textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(46,230,200,.16)}
.ask-card .btn-line{width:100%;height:48px;font-size:15px}
.ask-tip{font-size:12px;color:var(--text-3);margin:14px 0 0;line-height:1.7}
/* CTA */
.cta-card{
  position:relative;
  border-radius:var(--radius-lg);
  padding:56px 48px;
  background:linear-gradient(120deg,rgba(255,46,126,.16),rgba(138,92,255,.12) 55%,rgba(46,230,200,.10));
  border:1px solid rgba(255,255,255,.14);
  overflow:hidden;
  text-align:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);padding:1px;
  background:var(--grad-brand);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:.55;pointer-events:none;
}
.cta-card .eyebrow{margin-bottom:16px}
.cta-title{font-size:clamp(24px,3vw,36px);margin-bottom:14px}
.cta-desc{color:var(--text-2);font-size:15.5px;max-width:620px;margin:0 auto 30px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.trust-row{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.trust-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--text-2);
  background:rgba(10,9,16,.55);
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 16px;
}
.trust-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
/* 页脚 */
.site-footer{
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  position:relative;
  margin-top:96px;
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-brand);opacity:.7}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;margin:16px 0 20px;max-width:320px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{font-size:12px;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:4px 12px}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col p{font-size:14px;color:var(--text-2);margin:0 0 10px;line-height:1.8}
.footer-bottom{
  margin-top:48px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom p{margin:0}
/* 响应式 */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .level-grid{grid-template-columns:repeat(2,1fr)}
  .level-card.step-1,.level-card.step-2,.level-card.step-3,.level-card.step-4{margin-top:0}
  .content-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:minmax(0,1fr) 310px}
}
@media (max-width:991px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:grid}
  .hero{padding:72px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-card{max-width:520px}
  .section{padding:72px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .faq-layout{grid-template-columns:1fr}
  .ask-card{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px 0}
  .stat{padding-right:0;border-right:0}
  .stat:nth-child(odd){padding-right:16px;border-right:1px solid var(--line)}
  .news-grid{grid-template-columns:1fr}
  .compare-wrap{padding:0;background:transparent;border:0;box-shadow:none}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%}
  .compare-table thead{display:none}
  .compare-table tr{background:var(--ink-700);border:1px solid var(--line);border-radius:16px;padding:4px;margin-bottom:14px}
  .compare-table td{border-bottom:1px dashed rgba(255,255,255,.07);display:flex;justify-content:space-between;align-items:center;gap:16px;text-align:right;padding:12px 16px}
  .compare-table td:last-child{border-bottom:0}
  .compare-table td::before{content:attr(data-label);color:var(--text-3);font-size:13px;font-weight:600;text-align:left}
  .compare-table td:first-child{background:rgba(255,255,255,.04);font-weight:800;color:var(--text);text-align:left;justify-content:flex-start;border-radius:12px 12px 0 0}
  .compare-table td:first-child::before{content:none}
  .cta-card{padding:40px 22px}
  .faq-body{padding-left:24px}
  .hero-actions .btn-neon,.hero-actions .btn-line{width:100%}
}
@media (max-width:575px){
  .container{padding-left:18px;padding-right:18px}
  .section{padding:56px 0}
  .level-grid,.content-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-title{font-size:28px}
  .nav-wrap{height:60px}
  .site-header.is-scrolled .nav-wrap{height:56px}
  .brand{font-size:17px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .news-card{padding:20px 18px}
  .ask-card{padding:22px 18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink-900:#0A0910;
  --ink-800:#12101C;
  --ink-card:#171429;
  --ink-float:#1E1A33;
  --brand:#FF3D8B;
  --brand-2:#8A5CFF;
  --accent:#2EE6C8;
  --lime:#D8FF4F;
  --grad-brand:linear-gradient(100deg,#FF2E7E 0%,#8A5CFF 62%,#2EE6C8 100%);
  --text:#F3F1FB;
  --text-2:#B4AECB;
  --text-3:#7C7695;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --ok:#3BE08F;
  --warn:#FFB020;
  --danger:#FF5A5A;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 8px 24px rgba(0,0,0,.40);
  --shadow-hover:0 24px 60px -30px rgba(255,46,126,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:72px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 12% -10%, rgba(255,46,126,.16), transparent 62%),
    radial-gradient(760px 460px at 92% 0%, rgba(138,92,255,.14), transparent 60%),
    repeating-linear-gradient(115deg, rgba(255,255,255,.028) 0 1px, transparent 1px 22px);
  background-attachment:fixed;
}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
ul,ol{padding-left:1.1em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,9,16,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:all .28s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--grad-brand);opacity:0;transition:opacity .3s var(--ease);
}
.site-header.is-scrolled::after{opacity:1;}
.site-header.is-scrolled .header-inner{height:64px;}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:var(--header-h);transition:height .28s var(--ease);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px -8px rgba(255,46,126,.7);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:#fff;}
.brand-grad{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-menu{
  display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;
}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:all .24s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-link.active{
  color:#fff;
  background:linear-gradient(0deg,rgba(255,61,139,.14),rgba(255,61,139,.02));
}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-brand);
  box-shadow:0 0 10px rgba(255,61,139,.75);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:all .24s var(--ease);
}
.btn-primary{
  background:var(--grad-brand);color:#12040C;
  box-shadow:0 10px 30px -14px rgba(255,46,126,.9);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);color:#12040C;
  box-shadow:0 18px 44px -16px rgba(255,46,126,.95);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  border-color:rgba(46,230,200,.55);color:var(--accent);background:transparent;
}
.btn-ghost:hover{background:rgba(46,230,200,.10);color:var(--accent);transform:translateY(-2px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--accent);
  height:auto;padding:0;border:0;background:none;
}
.btn-text span{transition:transform .24s var(--ease);}
.btn-text:hover span{transform:translateX(4px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  color:#fff;align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}
.mobile-drawer{
  display:none;position:fixed;inset:var(--header-h) 0 0 0;z-index:1029;
  background:#0D0B16;padding:24px;overflow-y:auto;
  border-top:1px solid var(--line);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer ul{list-style:none;margin:0 0 20px;padding:0;}
.mobile-drawer li + li{margin-top:6px;}
.mobile-drawer .m-link{
  display:block;padding:14px 16px;border-radius:12px;
  font-size:16px;font-weight:700;color:var(--text-2);
  border-left:3px solid transparent;background:rgba(255,255,255,.03);
}
.mobile-drawer .m-link.active{
  color:#fff;border-left-color:var(--brand);
  background:linear-gradient(90deg,rgba(255,61,139,.18),rgba(255,61,139,.02));
}
.drawer-note{font-size:14px;color:var(--text-3);line-height:1.8;margin:18px 0 20px;}

/* ============ breadcrumb ============ */
.crumb-bar{padding:26px 0 0;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);list-style:none;margin:0;padding:0;
}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand-2);opacity:.7;}
.crumbs li:first-child::before{display:none;}
.crumbs .sep{color:var(--text-3);}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--accent);}
.crumbs .current{color:var(--text);}

/* ============ article head ============ */
.article-head{padding:22px 0 8px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--lime);background:rgba(216,255,79,.10);
  border:1px solid rgba(216,255,79,.28);
}
.article-title{
  margin:18px 0 0;font-size:clamp(28px,4.2vw,46px);font-weight:800;
  line-height:1.22;letter-spacing:-.02em;max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;font-size:13px;color:var(--text-3);
}
.meta-row .chip{
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  color:var(--accent);background:rgba(46,230,200,.10);
  border:1px solid rgba(46,230,200,.3);letter-spacing:.03em;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);}

/* ============ layout ============ */
.article-wrap{padding:34px 0 8px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start;
}
.article-cover{
  margin:0 0 32px;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  position:relative;
}
.article-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;}
.article-cover figcaption{
  padding:12px 18px;font-size:13px;color:var(--text-3);
  background:var(--ink-800);border-top:1px solid var(--line);
}

/* ============ prose ============ */
.prose{font-size:17px;line-height:2.0;color:#DCD8EC;max-width:780px;}
.prose > *:first-child{margin-top:0;}
.prose p{margin:0 0 22px;}
.prose h2{
  position:relative;margin:48px 0 18px;padding-left:16px;
  font-size:26px;font-weight:800;line-height:1.4;color:#fff;letter-spacing:-.01em;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;
  background:var(--grad-brand);box-shadow:0 0 12px rgba(255,61,139,.6);
}
.prose h3{margin:34px 0 14px;font-size:20px;font-weight:700;color:#fff;}
.prose h4{margin:26px 0 12px;font-size:17px;font-weight:700;color:var(--text);}
.prose a{color:var(--accent);border-bottom:1px solid rgba(46,230,200,.45);}
.prose a:hover{color:#fff;border-bottom-color:#fff;}
.prose ul,.prose ol{margin:0 0 22px;padding-left:0;list-style:none;}
.prose ul li,.prose ol li{position:relative;padding-left:24px;margin-bottom:10px;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.78em;width:7px;height:7px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(46,230,200,.8);
}
.prose ol{counter-reset:item;}
.prose ol li{counter-increment:item;}
.prose ol li::before{
  content:counter(item);position:absolute;left:0;top:.35em;
  width:18px;height:18px;border-radius:6px;
  font-size:12px;font-weight:800;line-height:18px;text-align:center;
  color:#12040C;background:var(--grad-brand);
}
.prose blockquote{
  margin:30px 0;padding:22px 26px;border-radius:var(--r-sm);
  background:var(--ink-card);border:1px solid var(--line);
  border-left:3px solid transparent;
  border-image:linear-gradient(180deg,#FF2E7E,#2EE6C8) 1;
  color:var(--text-2);font-size:16px;line-height:1.95;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:16px;margin:26px 0;width:100%;height:auto;}
.prose table{
  width:100%;border-collapse:separate;border-spacing:0;margin:28px 0;
  font-size:15px;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.prose thead th{
  background:rgba(138,92,255,.16);color:#fff;font-weight:700;
  padding:14px 16px;text-align:left;font-size:14px;
  border-bottom:1px solid var(--line);
}
.prose tbody td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--text-2);}
.prose tbody tr:last-child td{border-bottom:0;}
.prose tbody tr:hover td{background:rgba(255,255,255,.03);}
.prose hr{border:0;height:1px;background:var(--line);margin:38px 0;}

/* ============ empty state ============ */
.empty-state{
  text-align:center;padding:64px 28px;border-radius:var(--r-md);
  background:var(--ink-card);border:1px dashed rgba(255,255,255,.16);
}
.empty-state .ico{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,61,139,.10);border:1px solid rgba(255,61,139,.3);
}
.empty-state .ico svg{width:28px;height:28px;stroke:var(--brand);}
.empty-state h2{margin:0 0 10px;font-size:22px;font-weight:800;color:#fff;}
.empty-state p{margin:0 0 24px;color:var(--text-3);font-size:15px;}

/* ============ tags & footer of article ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:38px 0 0;}
.tag{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:all .24s var(--ease);
}
.tag:hover{color:#fff;border-color:var(--line-strong);background:rgba(255,61,139,.14);}
.back-row{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:32px;padding-top:26px;border-top:1px solid var(--line);
}

/* ============ sidebar ============ */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  border-radius:var(--r-md);padding:24px;
  background:var(--ink-card);border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.side-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--grad-brand);opacity:.75;
}
.side-card h3{margin:0 0 6px;font-size:17px;font-weight:800;color:#fff;}
.side-card .side-sub{margin:0 0 18px;font-size:13px;color:var(--text-3);line-height:1.7;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.08);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{display:block;font-size:14px;font-weight:600;color:var(--text-2);line-height:1.7;}
.side-list a:hover{color:var(--accent);}
.side-list .time{display:block;font-size:12px;color:var(--text-3);margin-top:4px;}
.mini-perk{display:flex;flex-direction:column;gap:10px;margin-bottom:18px;}
.mini-perk div{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);
}
.mini-perk i{
  width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;
  box-shadow:0 0 10px rgba(46,230,200,.8);
}
.side-cta{background:var(--ink-float);border-color:rgba(255,61,139,.28);}
.side-cta p{margin:0 0 18px;font-size:14px;color:var(--text-2);line-height:1.8;}
.side-cta .btn{width:100%;}

/* ============ related ============ */
.related{padding:72px 0 0;}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:30px;
}
.section-head h2{
  margin:0;font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.01em;
}
.section-head p{margin:8px 0 0;font-size:14px;color:var(--text-3);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  display:flex;flex-direction:column;gap:14px;
  padding:16px;border-radius:var(--r-md);
  background:var(--ink-card);border:1px solid var(--line);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  position:relative;overflow:hidden;
}
.rel-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--grad-brand);opacity:0;transition:opacity .24s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.rel-card:hover::after{opacity:1;}
.rel-card .thumb{
  border-radius:16px;overflow:hidden;aspect-ratio:16/10;background:var(--ink-800);
}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-card h3{margin:0;font-size:17px;font-weight:700;line-height:1.5;color:#fff;}
.rel-card p{margin:0;font-size:14px;color:var(--text-3);line-height:1.75;}
.rel-card .rel-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);margin-top:auto;}

/* ============ cta band ============ */
.cta-band{padding:72px 0 96px;}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);padding:56px 48px;
  background:
    radial-gradient(600px 300px at 88% 12%, rgba(255,46,126,.30), transparent 70%),
    radial-gradient(520px 280px at 8% 90%, rgba(46,230,200,.18), transparent 70%),
    var(--ink-800);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow);
}
.cta-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  padding:1px;background:var(--grad-brand);opacity:.45;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;position:relative;}
.cta-copy h2{margin:0 0 12px;font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.01em;}
.cta-copy p{margin:0;font-size:15px;color:var(--text-2);max-width:560px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.trust-row span{
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:700;
  color:var(--accent);background:rgba(46,230,200,.10);border:1px solid rgba(46,230,200,.3);
}

/* ============ footer ============ */
.site-footer{
  background:var(--ink-900);border-top:1px solid var(--line);
  position:relative;padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--grad-brand);opacity:.7;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.9;margin:16px 0 18px;max-width:330px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;}
.footer-badges span{
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  color:var(--lime);background:rgba(216,255,79,.08);border:1px solid rgba(216,255,79,.24);
}
.footer-col h4{margin:0 0 16px;font-size:14px;font-weight:800;color:#fff;letter-spacing:.04em;}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.85;margin:0 0 12px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li + li{margin-top:10px;}
.footer-col a{
  font-size:14px;color:var(--text-2);display:inline-block;
  transition:all .24s var(--ease);
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  margin-top:52px;padding:22px 0 28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
}
.footer-bottom p{margin:0;font-size:12px;color:var(--text-3);line-height:1.8;}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;top:auto;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{padding:44px 32px;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  .article-title{font-size:26px;}
  .prose{font-size:16px;line-height:1.95;}
  .prose h2{font-size:22px;margin-top:38px;}
  .prose h3{font-size:18px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .rel-card{flex-direction:row;align-items:center;gap:14px;}
  .rel-card .thumb{width:120px;flex:none;aspect-ratio:16/11;}
  .rel-card p{display:none;}
  .related{padding:52px 0 0;}
  .cta-band{padding:52px 0 64px;}
  .cta-card{padding:36px 24px;border-radius:22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519.98px){
  .brand-text{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;}
  .side-card{padding:20px;}
  .crumbs{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0A0910;
  --ink-800:#12101C;
  --ink-700:#171429;
  --ink-600:#1E1A33;
  --brand:#FF3D8B;
  --brand-2:#8A5CFF;
  --accent:#2EE6C8;
  --lime:#D8FF4F;
  --text:#F3F1FB;
  --text-2:#B4AECB;
  --text-3:#7C7695;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --grad-brand:linear-gradient(100deg,#FF2E7E 0%,#8A5CFF 62%,#2EE6C8 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,46,126,.16),rgba(138,92,255,.14) 55%,rgba(46,230,200,.12));
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 8px 24px rgba(0,0,0,.40);
  --shadow-hover:0 24px 60px -30px rgba(255,46,126,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --fs-h1:clamp(28px,4.2vw,50px);
  --fs-h2:clamp(22px,2.6vw,34px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(circle at 10% -8%,rgba(255,46,126,.16),transparent 46%),
    radial-gradient(circle at 92% 4%,rgba(46,230,200,.10),transparent 42%),
    linear-gradient(rgba(255,255,255,.024) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.024) 1px,transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),background-color .24s var(--ease)}
a:hover{color:var(--accent)}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;color:var(--text)}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
::selection{background:rgba(255,61,139,.35);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-sm{padding:56px 0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,9,16,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad-brand);opacity:.55}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(0,0,0,.55)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--text);flex-shrink:0;letter-spacing:-.01em}
.brand:hover{color:var(--text)}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:0 8px 20px -10px rgba(255,46,126,.95)}
.brand-mark svg{width:22px;height:22px;display:block}
.brand-text{white-space:nowrap}
.brand-grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .24s var(--ease),background-color .24s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.055)}
.nav-link.active{color:var(--text);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-brand);box-shadow:0 0 10px rgba(255,61,139,.75);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);cursor:pointer;place-items:center;
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);background:rgba(255,255,255,.08)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);margin:2.5px auto;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;left:0;right:0;top:60px;bottom:0;z-index:1029;
  background:#0D0B16;padding:24px 24px 40px;
  display:flex;flex-direction:column;gap:6px;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:none}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;min-height:52px;padding:0 16px;border-radius:14px;
  font-size:16px;font-weight:600;color:var(--text-2);border-left:3px solid transparent;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.mobile-drawer a.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
.mobile-drawer a.drawer-link.active{color:var(--text);border-left-color:var(--brand);background:rgba(255,61,139,.12)}
.mobile-drawer .drawer-cta{margin-top:16px;width:100%}
.mobile-drawer .drawer-note{margin-top:20px;font-size:13px;line-height:1.8;color:var(--text-3);border-top:1px solid var(--line);padding-top:18px}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 28px;border-radius:999px;border:0;
  background:var(--grad-brand);color:#160611;font-size:15px;font-weight:800;letter-spacing:.01em;
  box-shadow:0 12px 28px -14px rgba(255,46,126,.95);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease);
  cursor:pointer;
}
.btn-brand:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 38px -14px rgba(255,46,126,1);color:#160611}
.btn-brand:active{transform:translateY(1px)}
.btn-brand.small{height:42px;padding:0 22px;font-size:14px;border-radius:999px}
.btn-outline-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 26px;border-radius:999px;
  border:1px solid rgba(46,230,200,.55);background:transparent;color:var(--accent);
  font-size:15px;font-weight:700;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),color .24s var(--ease);
}
.btn-outline-neon:hover{background:rgba(46,230,200,.10);border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-outline-neon:active{transform:translateY(1px)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--text);transition:color .24s var(--ease)}
.btn-ghost i{transition:transform .24s var(--ease)}
.btn-ghost:hover{color:var(--accent)}
.btn-ghost:hover i{transform:translateX(4px)}

/* ============ 徽章 ============ */
.badge-lime,.badge-cyan{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:800;letter-spacing:.03em;
}
.badge-lime{background:var(--lime);color:#171429}
.badge-cyan{background:rgba(46,230,200,.16);color:var(--accent);border:1px solid rgba(46,230,200,.35)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.08em;
  color:var(--accent);text-transform:uppercase;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--grad-brand)}

/* ============ 面包屑 ============ */
.breadcrumb-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb-line a{color:var(--text-2)}
.breadcrumb-line a:hover{color:var(--accent)}
.breadcrumb-line .sep{color:var(--text-3);opacity:.6}
.breadcrumb-line .current{color:var(--text)}
.breadcrumb-line .dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand);display:inline-block}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 64px;
  background-image:
    linear-gradient(100deg,rgba(10,9,16,.97) 0%,rgba(10,9,16,.88) 44%,rgba(10,9,16,.58) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,126,.30),rgba(138,92,255,.12) 55%,transparent 72%);
  pointer-events:none;
}
.hero-panel{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;z-index:1}
.hero-copy h1{font-size:var(--fs-h1);font-weight:800;letter-spacing:-.02em;line-height:1.14;margin:16px 0 16px}
.hero-sub{font-size:16.5px;line-height:1.85;color:var(--text-2);max-width:34em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--radius-lg);object-fit:cover;
  border:1px solid var(--line-strong);box-shadow:0 34px 70px -40px rgba(255,46,126,.55);
  aspect-ratio:16/11;
}
.hero-visual::before{
  content:"";position:absolute;inset:-1px;border-radius:calc(var(--radius-lg) + 1px);
  background:var(--grad-brand);opacity:.25;filter:blur(18px);z-index:-1;
}

/* ============ 统计条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
}
.stat{background:var(--ink-800);padding:26px 20px;text-align:center}
.stat-num{
  font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.1;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;color:var(--text-3);margin-top:8px;letter-spacing:.02em}

/* ============ 板块标题 ============ */
.sec-head{max-width:740px;margin-bottom:36px}
.sec-head h2{font-size:var(--fs-h2);margin:14px 0 12px;line-height:1.25}
.sec-head p{font-size:15.5px;line-height:1.9;color:var(--text-2);margin:0}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}

/* ============ 对比表 ============ */
.table-shell{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--ink-800);box-shadow:var(--shadow)}
.compare-table{width:100%;border-collapse:collapse;font-size:15px}
.compare-table thead th{
  background:var(--ink-700);padding:18px 20px;text-align:left;vertical-align:top;
  border-bottom:1px solid var(--line);color:var(--text-2);font-weight:700;
}
.compare-table thead th.col-benefit{width:34%;font-size:13px;letter-spacing:.05em;color:var(--text-3);text-transform:uppercase;vertical-align:middle}
.compare-table thead th.col-tier{width:22%;position:relative}
.compare-table thead th.col-tier.featured{background:linear-gradient(180deg,rgba(255,61,139,.16),rgba(23,20,41,1) 78%)}
.compare-table thead th.col-tier.featured::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-brand);
}
.tier-head{display:flex;flex-direction:column;gap:6px}
.tier-name{font-size:16px;font-weight:800;color:var(--text)}
.tier-note{font-size:12.5px;color:var(--text-3);font-weight:500;line-height:1.6}
.tier-badge{
  align-self:flex-start;margin-top:4px;padding:2px 10px;border-radius:999px;
  font-size:11px;font-weight:800;letter-spacing:.04em;
  background:rgba(46,230,200,.16);color:var(--accent);
}
.col-tier.featured .tier-badge{background:var(--lime);color:#171429}
.compare-table tbody td{
  padding:16px 20px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:middle;
  transition:background-color .24s var(--ease);
}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover td{background:rgba(255,255,255,.03)}
.benefit-name{color:var(--text);font-weight:600}
.compare-table tbody td.col-featured{background:rgba(255,61,139,.045)}
.cell-val{display:inline-flex;align-items:center;gap:8px;font-size:14.5px}
.yes{color:var(--accent);font-size:15px}
.no{color:var(--text-3);font-size:15px}
.group-row td{
  background:rgba(138,92,255,.10);
  color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.06em;
  padding:12px 20px;
}
.table-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.8}
.table-cta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:26px}
.table-cta p{margin:0;font-size:14px;color:var(--text-2)}

/* ============ 分组权益卡 ============ */
.group-stack{display:grid;gap:22px}
.group-card{
  position:relative;overflow:hidden;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 30px;transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.group-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--grad-brand);opacity:0;transition:opacity .24s var(--ease);
}
.group-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.group-card:hover::before{opacity:1}
.group-card-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.group-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;flex-shrink:0;
  background:var(--grad-soft);border:1px solid var(--line);color:var(--accent);font-size:18px;
}
.group-card-head h3{font-size:20px;font-weight:800}
.group-card-head span.group-tag{
  margin-left:auto;font-size:12px;font-weight:800;letter-spacing:.04em;
  padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.06);color:var(--text-2);
}
.group-list{display:grid;grid-template-columns:1fr 1fr;gap:16px 30px}
.group-list li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--text-2)}
.group-list li i{color:var(--accent);font-size:14px;margin-top:6px;flex-shrink:0}
.group-list li strong{color:var(--text);font-weight:700}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  position:relative;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 24px;transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.step-no{display:block;font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--accent);margin-bottom:12px;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;line-height:1.8;color:var(--text-2);margin:0}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:1.55fr .75fr;gap:32px;align-items:start}
.lux-accordion .accordion-item{
  background:var(--ink-800);border:1px solid var(--line);border-radius:18px;
  margin-bottom:14px;overflow:hidden;
}
.lux-accordion .accordion-item:last-child{margin-bottom:0}
.lux-accordion .accordion-header{margin:0}
.lux-accordion .accordion-button{
  position:relative;display:flex;align-items:center;gap:14px;
  padding:20px 22px;background:transparent;color:var(--text);
  font-size:17px;font-weight:700;box-shadow:none;border-radius:18px;
  transition:background-color .24s var(--ease),color .24s var(--ease);
}
.lux-accordion .accordion-button:not(.collapsed){background:rgba(138,92,255,.10);color:var(--text)}
.lux-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;outline:none}
.lux-accordion .accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.lux-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad-brand);opacity:0;transition:opacity .24s var(--ease);
}
.lux-accordion .accordion-button:not(.collapsed)::before{opacity:1}
.lux-accordion .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;margin-left:auto;
  font-size:22px;line-height:1;font-weight:400;color:var(--accent);transform:none;transition:color .24s var(--ease);
}
.lux-accordion .accordion-button:not(.collapsed)::after{content:"−";transform:none;color:var(--accent)}
.faq-no{font-size:12.5px;font-weight:800;letter-spacing:.08em;color:var(--text-3);flex-shrink:0;transition:color .24s var(--ease)}
.lux-accordion .accordion-button:not(.collapsed) .faq-no{color:var(--accent)}
.lux-accordion .accordion-body{padding:0 22px 22px 22px;font-size:15px;line-height:1.9;color:var(--text-2)}
.faq-aside{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;position:sticky;top:96px;
}
.faq-aside h3{font-size:18px;margin-bottom:10px}
.faq-aside p{font-size:14px;line-height:1.85;color:var(--text-2);margin-bottom:18px}
.faq-aside .aside-line{height:1px;background:var(--line);margin:20px 0}
.faq-aside .aside-item{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);margin-bottom:10px}
.faq-aside .aside-item i{color:var(--accent);margin-top:5px;font-size:12px}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;text-align:center;
  padding:60px 48px;border-radius:var(--radius-xl);
  background:
    radial-gradient(circle at 50% 0%,rgba(255,46,126,.28),transparent 62%),
    linear-gradient(120deg,rgba(255,46,126,.14),rgba(138,92,255,.14) 55%,rgba(46,230,200,.12)),
    var(--ink-800);
  border:1px solid var(--line-strong);
}
.cta-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-brand);
}
.cta-card h2{font-size:var(--fs-h2);margin-bottom:14px}
.cta-card p{max-width:44em;margin:0 auto 26px;font-size:15.5px;line-height:1.9;color:var(--text-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:24px}
.cta-badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.cta-badges span{
  font-size:12.5px;font-weight:700;color:var(--text-2);
  padding:5px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);
}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:#0A0910;padding:64px 0 28px;margin-top:20px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-brand);opacity:.6}
.footer-grid{display:grid;grid-template-columns:1.65fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{font-size:18px;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--text-2);margin:0 0 18px;max-width:30em}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px}
.footer-badges span{font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;border:1px solid var(--line);color:var(--text-2)}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li a{display:inline-block;font-size:14px;color:var(--text-2);transition:color .24s var(--ease),transform .24s var(--ease)}
.footer-col li a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col p{font-size:13.5px;line-height:1.85;color:var(--text-3);margin:0 0 12px}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom p{margin:0}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-panel{grid-template-columns:1fr .9fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:991.98px){
  .nav-menu{display:none}
  .nav-toggle{display:grid}
  .header-inner,.site-header.is-scrolled .header-inner{height:60px;gap:16px}
  .header-actions .btn-brand.small{display:none}
  .hero-panel{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1;max-width:520px}
  .page-hero{padding:40px 0 52px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr}
  .faq-aside{position:static}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .section{padding:60px 0}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .hero-sub{font-size:15.5px}
  .sec-head-row{margin-bottom:26px}
  .group-card{padding:22px 20px}
  .group-list{grid-template-columns:1fr;gap:12px}
  .group-card-head span.group-tag{margin-left:0}
  .steps{grid-template-columns:1fr}
  .cta-card{padding:40px 24px}
  .cta-actions .btn-brand,.cta-actions .btn-outline-neon{width:100%}
  .hero-actions .btn-brand,.hero-actions .btn-outline-neon{width:100%}
  .table-cta{flex-direction:column;align-items:stretch}
  .table-cta .btn-brand{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .lux-accordion .accordion-button{font-size:16px;padding:18px 18px;gap:10px}
  .lux-accordion .accordion-body{padding:0 18px 20px 18px}

  /* 表格卡片化 */
  .table-shell{border:0;background:transparent;box-shadow:none;border-radius:0;overflow:visible}
  .compare-table{display:block;font-size:14px}
  .compare-table thead{display:none}
  .compare-table tbody{display:block}
  .compare-table tbody tr{
    display:block;background:var(--ink-800);border:1px solid var(--line);
    border-radius:var(--radius-md);padding:16px 18px;margin-bottom:14px;
  }
  .compare-table tbody tr:hover td{background:transparent}
  .compare-table tbody tr.group-row{background:transparent;border:0;padding:6px 4px;margin-bottom:4px}
  .compare-table tbody tr.group-row td{background:transparent;padding:0;border:0;font-size:12.5px;letter-spacing:.06em}
  .compare-table tbody tr.group-row td::before{display:none}
  .compare-table tbody td{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:10px 0;border:0;border-bottom:1px dashed rgba(255,255,255,.07);
    background:transparent !important;
  }
  .compare-table tbody tr td:last-child{border-bottom:0}
  .compare-table tbody td::before{
    content:attr(data-label);flex-shrink:0;
    font-size:12.5px;font-weight:700;color:var(--text-3);letter-spacing:.02em;
  }
  .compare-table tbody td.benefit-name{
    font-size:16px;font-weight:800;color:var(--text);
    border-bottom:1px solid var(--line);padding:0 0 12px;margin-bottom:6px;
  }
  .compare-table tbody td.benefit-name::before{display:none}
  .cell-val{font-size:14px}
}
@media (max-width:575.98px){
  .stat-strip{grid-template-columns:1fr}
  .stat{padding:20px 16px}
  .hero-visual img{aspect-ratio:16/10}
  .cta-badges span{font-size:12px}
  .breadcrumb-line{font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --ink-900:#0A0910;
  --ink-800:#12101C;
  --card:#171429;
  --float:#1E1A33;
  --brand:#FF3D8B;
  --brand-2:#8A5CFF;
  --accent:#2EE6C8;
  --lime:#D8FF4F;
  --grad-brand:linear-gradient(100deg,#FF2E7E 0%,#8A5CFF 62%,#2EE6C8 100%);
  --text:#F3F1FB;
  --text-2:#B4AECB;
  --text-3:#7C7695;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(255,255,255,.18);
  --ok:#3BE08F;
  --warn:#FFB020;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius:20px;
  --radius-sm:14px;
  --shadow:0 8px 24px rgba(0,0,0,.40);
  --shadow-hover:0 24px 60px -30px rgba(255,46,126,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--ink-900);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  --bs-body-bg:var(--ink-900);
  --bs-body-color:var(--text);
  --bs-primary:var(--brand);
  --bs-border-color:var(--line);
  --bs-link-color:var(--accent);
  --bs-link-hover-color:var(--accent);
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(circle at 12% 0%,rgba(255,46,126,.16),transparent 42%),
    radial-gradient(circle at 88% 8%,rgba(138,92,255,.14),transparent 46%),
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:auto,auto,56px 56px,56px 56px;
  opacity:1;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--accent);}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.22;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:88px 0;position:relative;z-index:1;}
.section-tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  padding:7px 16px;border-radius:999px;
  color:var(--accent);
  background:rgba(46,230,200,.10);
  border:1px solid rgba(46,230,200,.28);
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);}
h1{font-size:clamp(28px,4.2vw,48px);letter-spacing:-.02em;}
h2{font-size:clamp(22px,2.6vw,34px);}
h3{font-size:20px;font-weight:700;}
h4{font-size:17px;font-weight:700;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head p{color:var(--text-2);font-size:16px;margin-top:14px;max-width:660px;}
.muted{color:var(--text-2);}
.small{font-size:13.5px;color:var(--text-3);}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;line-height:1;
  border-radius:999px;border:1px solid transparent;
  padding:16px 30px;min-height:48px;
  cursor:pointer;text-decoration:none;
  transition:transform .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--grad-brand);color:#160611;
  box-shadow:0 10px 28px -14px rgba(255,61,139,.85);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 18px 40px -16px rgba(255,61,139,.9);color:#160611;}
.btn-secondary{
  background:transparent;color:var(--accent);
  border-color:rgba(46,230,200,.5);
}
.btn-secondary:hover{background:rgba(46,230,200,.10);border-color:rgba(46,230,200,.8);transform:translateY(-2px);color:var(--accent);}
.btn-ghost{
  background:transparent;color:var(--text);border-color:var(--line);
  border-radius:999px;padding:14px 24px;
}
.btn-ghost:hover{border-color:var(--line-hover);color:var(--accent);}
.btn-sm{padding:12px 22px;font-size:14px;min-height:42px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,9,16,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background-color .3s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--grad-brand);opacity:0;transition:opacity .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(10,9,16,.97);}
.site-header.is-scrolled::after{opacity:.9;}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:72px;
  transition:min-height .3s var(--ease);
}
.site-header.is-scrolled .header-inner{min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  box-shadow:0 8px 22px -10px rgba(255,61,139,.9);
}
.brand-mark svg{width:23px;height:23px;}
.brand-text{font-size:18.5px;font-weight:800;color:var(--text);letter-spacing:-.01em;white-space:nowrap;}
.brand-grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.primary-nav{flex:1;display:flex;justify-content:center;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 15px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .24s var(--ease),background-color .24s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.045);}
.nav-link.active{
  color:var(--text);
  background:rgba(255,61,139,.08);
}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-brand);
  box-shadow:0 0 10px rgba(255,61,139,.7);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color .24s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-hover);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .3s var(--ease),opacity .3s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:1020;
  background:#0D0B16;
  padding:96px 24px 40px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-drawer .m-link{
  display:flex;align-items:center;gap:12px;
  padding:16px 14px;border-radius:14px;
  font-size:17px;font-weight:700;color:var(--text-2);
  border-left:3px solid transparent;
  transition:color .24s var(--ease),background-color .24s var(--ease);
}
.mobile-drawer .m-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.mobile-drawer .m-link.active{color:var(--text);border-left-color:var(--brand);background:rgba(255,61,139,.08);}
.mobile-drawer .m-cta{margin-top:18px;}
.mobile-drawer .m-note{font-size:13.5px;color:var(--text-3);margin-top:22px;line-height:1.8;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:72px 0 64px;
  overflow:hidden;
  background-image:
    linear-gradient(100deg,rgba(10,9,16,.96) 0%,rgba(10,9,16,.86) 46%,rgba(10,9,16,.66) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;right:-10%;top:-30%;width:640px;height:640px;
  background:radial-gradient(circle,rgba(255,46,126,.30),rgba(138,92,255,.12) 45%,transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;max-width:780px;}
.hero h1{margin-bottom:18px;}
.hero .lead{font-size:clamp(15px,1.5vw,17.5px);color:var(--text-2);max-width:600px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  border:1px solid var(--line);color:var(--text-2);
  background:rgba(255,255,255,.03);
}
.badge-pill.accent{background:rgba(46,230,200,.12);border-color:rgba(46,230,200,.32);color:var(--accent);}
.badge-pill.lime{background:rgba(216,255,79,.12);border-color:rgba(216,255,79,.32);color:var(--lime);}

/* ---------- Level progress ---------- */
.level-progress{
  position:relative;z-index:1;
  margin-top:52px;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:10px;
  padding-top:26px;
}
.level-progress::before{
  content:"";position:absolute;top:40px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(255,46,126,.85),rgba(138,92,255,.6),rgba(46,230,200,.35));
  opacity:.55;
}
.lp-item{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;}
.lp-dot{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--float);color:var(--text-2);
  border:1px solid var(--line);
  position:relative;z-index:1;
  transition:transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.lp-item:hover .lp-dot{transform:translateY(-4px);border-color:rgba(255,61,139,.55);color:var(--text);}
.lp-item.is-start .lp-dot{
  background:var(--grad-brand);color:#160611;border-color:transparent;
  box-shadow:0 0 0 4px rgba(255,61,139,.16),0 10px 26px -12px rgba(255,61,139,.9);
}
.lp-label{font-size:13px;font-weight:700;color:var(--text-2);}
.lp-item.is-start .lp-label{color:var(--text);}

/* ---------- Stats ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);
  margin-top:44px;padding-top:28px;
  position:relative;z-index:1;
}
.stat-item{padding:0 20px;border-left:1px solid var(--line);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-size:clamp(30px,3.4vw,38px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:13px;color:var(--text-3);margin-top:6px;}

/* ---------- Panel / card ---------- */
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.card-hover{position:relative;overflow:hidden;}
.card-hover::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--grad-brand);opacity:0;transition:opacity .24s var(--ease);
}
.card-hover:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover);}
.card-hover:hover::before{opacity:1;}

/* ---------- Ladder ---------- */
.ladder{position:relative;display:flex;flex-direction:column;gap:22px;}
.ladder::before{
  content:"";position:absolute;left:35px;top:24px;bottom:24px;width:2px;
  background:linear-gradient(180deg,rgba(255,46,126,.85),rgba(138,92,255,.55) 50%,rgba(46,230,200,.35));
  opacity:.55;
}
.ladder-item{
  position:relative;
  display:grid;grid-template-columns:72px 1fr;gap:24px;align-items:start;
}
.ladder-node{
  width:72px;height:72px;border-radius:24px;
  display:grid;place-items:center;
  background:var(--float);border:1px solid var(--line);
  position:relative;z-index:1;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.ladder-node .lv-num{
  font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.ladder-node .lv-tag{font-size:10.5px;font-weight:700;color:var(--text-3);letter-spacing:.08em;}
.ladder-item:hover .ladder-node{transform:translateY(-4px);border-color:rgba(255,61,139,.5);}
.ladder-item.lv-boost .ladder-node{
  border-color:transparent;
  background:linear-gradient(var(--float),var(--float)) padding-box,var(--grad-brand) border-box;
  border:1px solid transparent;
  box-shadow:0 0 0 4px rgba(255,61,139,.10);
}
.ladder-card{position:relative;}
.ladder-top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-bottom:10px;
}
.ladder-top h3{display:flex;align-items:center;gap:10px;}
.lv-badge{
  font-size:11.5px;font-weight:700;letter-spacing:.04em;
  padding:4px 11px;border-radius:999px;
  background:rgba(216,255,79,.14);color:var(--lime);
  border:1px solid rgba(216,255,79,.3);
}
.lv-badge.violet{background:rgba(138,92,255,.16);color:#C7B4FF;border-color:rgba(138,92,255,.35);}
.lv-threshold{font-size:13.5px;color:var(--text-3);margin-bottom:16px;}
.lv-list{display:grid;gap:9px;margin-bottom:18px;}
.lv-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text-2);line-height:1.75;
}
.lv-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 8px rgba(46,230,200,.8);
}
.tag-group{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:600;
  padding:6px 12px;border-radius:999px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.tag.accent{color:var(--accent);border-color:rgba(46,230,200,.3);background:rgba(46,230,200,.08);}

/* ---------- Steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.step{
  position:relative;padding:26px 22px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow);}
.step-num{
  font-size:12.5px;font-weight:800;letter-spacing:.1em;
  color:var(--brand);margin-bottom:12px;display:block;
  font-variant-numeric:tabular-nums;
}
.step h4{margin-bottom:8px;font-size:17px;}
.step p{font-size:13.8px;color:var(--text-2);line-height:1.8;}

/* ---------- Preview cards ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.preview-card{
  display:block;position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);text-decoration:none;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.preview-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover);}
.preview-media{position:relative;overflow:hidden;border-radius:18px 18px 0 0;aspect-ratio:16/10;}
.preview-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.preview-card:hover .preview-media img{transform:scale(1.03);}
.preview-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(10,9,16,.85) 100%);
}
.preview-cat{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-size:12px;font-weight:700;color:var(--text);
  padding:5px 12px;border-radius:999px;
  background:rgba(10,9,16,.72);
  border:1px solid rgba(255,255,255,.16);
}
.preview-body{padding:18px 20px 22px;}
.preview-body h4{font-size:17px;margin-bottom:6px;}
.preview-body p{font-size:13.6px;color:var(--text-3);line-height:1.7;}
.lock-tip{
  position:absolute;right:14px;top:12px;z-index:2;
  font-size:11.5px;font-weight:700;color:#160611;
  padding:4px 10px;border-radius:999px;
  background:var(--lime);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.faq-item[open]{border-color:rgba(255,61,139,.4);background:var(--float);}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;
  cursor:pointer;list-style:none;
  font-size:17px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:20px;font-weight:400;color:var(--text-3);
  transition:color .24s var(--ease),transform .24s var(--ease);
}
.faq-item[open] summary::after{content:"−";color:var(--accent);}
.faq-num{
  font-size:13px;font-weight:800;color:var(--text-3);
  font-variant-numeric:tabular-nums;
  transition:color .24s var(--ease);
}
.faq-item[open] .faq-num{color:var(--accent);}
.faq-answer{
  padding:0 24px 24px 56px;
  font-size:15px;color:var(--text-2);line-height:1.95;
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  padding:56px 48px;
  background:linear-gradient(120deg,rgba(255,46,126,.16),rgba(138,92,255,.14) 52%,rgba(46,230,200,.12)),var(--ink-800);
  border:1px solid rgba(255,255,255,.12);
}
.cta-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-brand);
}
.cta-card::after{
  content:"";position:absolute;right:-8%;bottom:-40%;width:520px;height:520px;
  background:radial-gradient(circle,rgba(255,46,126,.28),transparent 65%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:1;max-width:720px;}
.cta-card h2{margin-bottom:14px;}
.cta-card p{color:var(--text-2);margin-bottom:28px;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar{
  position:relative;z-index:1;
  padding:18px 0 0;
  font-size:13px;color:var(--text-2);
}
.breadcrumb-bar ul{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb-bar li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb-bar li+li::before{content:"/";color:var(--text-3);}
.breadcrumb-bar a{color:var(--text-2);}
.breadcrumb-bar a:hover{color:var(--accent);}
.breadcrumb-bar .dot{width:5px;height:5px;border-radius:50%;background:var(--brand);display:inline-block;}
.breadcrumb-bar .current{color:var(--text);}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:var(--grad-brand);opacity:.7;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.9;max-width:320px;margin-bottom:18px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;}
.footer-badges span{
  font-size:12px;font-weight:600;color:var(--text-2);
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{
  font-size:14px;color:var(--text-2);
  display:inline-block;
  transition:color .24s var(--ease),transform .24s var(--ease);
}
.footer-col li a:hover{color:var(--accent);transform:translateX(2px);}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.85;margin-bottom:12px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
}
.footer-bottom p{font-size:12.5px;color:var(--text-3);margin:0;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .section{padding:76px 0;}
  .footer-grid{gap:32px;}
}
@media (max-width:991px){
  .primary-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-cta{display:none;}
  .hero{padding:56px 0 52px;}
  .stat-row{grid-template-columns:repeat(2,1fr);row-gap:24px;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .preview-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
  .cta-card{padding:44px 32px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:32px;}
  .hero{padding:44px 0 46px;}
  .hero .lead{font-size:15px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .level-progress{grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;padding-top:22px;}
  .level-progress::before{top:34px;left:4%;right:4%;}
  .lp-dot{width:34px;height:34px;font-size:11.5px;}
  .lp-label{font-size:11px;}
  .ladder::before{left:23px;}
  .ladder-item{grid-template-columns:48px 1fr;gap:14px;}
  .ladder-node{width:48px;height:48px;border-radius:16px;}
  .ladder-node .lv-num{font-size:15px;}
  .ladder-node .lv-tag{display:none;}
  .panel{padding:20px;}
  .preview-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .faq-item summary{padding:16px 18px;font-size:15.5px;gap:12px;}
  .faq-answer{padding:0 18px 18px 46px;font-size:14.5px;}
  .cta-card{padding:34px 22px;border-radius:22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
  .footer-bottom{flex-direction:column;}
  .breadcrumb-bar{padding-top:14px;}
  .brand-text{font-size:17px;}
}
@media (max-width:519px){
  .stat-item{padding:0 12px;}
  .stat-item:nth-child(2){padding-right:0;}
  .lp-label{font-size:10px;line-height:1.4;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --ink-900:#0A0910;
  --ink-800:#12101C;
  --card:#171429;
  --float:#1E1A33;
  --brand:#FF3D8B;
  --brand-2:#8A5CFF;
  --accent:#2EE6C8;
  --lime:#D8FF4F;
  --grad-brand:linear-gradient(100deg,#FF2E7E 0%,#8A5CFF 62%,#2EE6C8 100%);
  --text:#F3F1FB;
  --text-2:#B4AECB;
  --text-3:#7C7695;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --ok:#3BE08F;
  --warn:#FFB020;
  --danger:#FF5A5A;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 8px 24px rgba(0,0,0,.40);
  --shadow-hover:0 24px 60px -30px rgba(255,46,126,.35);
  --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;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--text);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(10,9,16,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:var(--grad-brand);
  opacity:0;
  transition:opacity .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(10,9,16,.98);}
.site-header.is-scrolled::after{opacity:1;}
.header-inner{
  display:flex;
  align-items:center;
  gap:34px;
  height:72px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--grad-brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 18px -8px rgba(255,46,126,.9);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand-grad{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0;
  padding:0;
  list-style:none;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  border-radius:10px;
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  filter:drop-shadow(0 0 10px rgba(255,61,139,.7));
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:50px;
  padding:0 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),filter .24s var(--ease);
}
.btn-primary{
  background:var(--grad-brand);
  color:#150611;
  box-shadow:0 12px 32px -16px rgba(255,46,126,.95);
}
.btn-primary:hover{
  color:#150611;
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 18px 40px -16px rgba(255,46,126,1);
}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{
  background:transparent;
  color:var(--accent);
  border-color:rgba(46,230,200,.55);
  border-radius:999px;
}
.btn-secondary:hover{
  color:var(--accent);
  background:rgba(46,230,200,.08);
  border-color:var(--accent);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  border-color:transparent;
  color:var(--text-2);
  padding:0 10px;
  height:auto;
  border-radius:12px;
  font-weight:600;
}
.btn-ghost:hover{color:var(--accent);}
.btn-ghost .arrow{transition:transform .24s var(--ease);display:inline-block;}
.btn-ghost:hover .arrow{transform:translateX(4px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

/* ---------- 移动端抽屉 ---------- */
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  position:relative;
  width:18px;height:2px;
  background:var(--text);
  border-radius:2px;
  transition:background .2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:var(--text);
  border-radius:2px;
  transition:transform .24s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mobile-drawer{
  position:fixed;
  inset:60px 0 0 0;
  z-index:1029;
  background:#0D0B16;
  border-top:1px solid var(--line);
  padding:26px 24px 40px;
  overflow-y:auto;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .3s var(--ease),visibility .3s var(--ease);
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-menu{display:flex;flex-direction:column;gap:6px;margin-bottom:26px;}
.drawer-link{
  display:block;
  position:relative;
  padding:14px 16px;
  border-radius:14px;
  font-size:16px;
  font-weight:600;
  color:var(--text-2);
  background:rgba(255,255,255,.03);
}
.drawer-link.active{
  color:var(--text);
  background:rgba(255,61,139,.10);
}
.drawer-link.active::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:3px;
  border-radius:3px;
  background:var(--grad-brand);
}
.drawer-note{
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--line);
  padding-top:18px;
  margin-top:18px;
}
.drawer-note strong{color:var(--brand);font-weight:700;}
.mobile-drawer .btn{width:100%;}

/* ---------- 页面头图 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:38px 0 60px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.30;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(760px 320px at 12% 0%,rgba(255,46,126,.32),transparent 68%),
    linear-gradient(180deg,rgba(10,9,16,.62) 0%,rgba(10,9,16,.92) 72%,var(--ink-900) 100%);
  z-index:1;
}
.page-hero .container{position:relative;z-index:2;}

.breadcrumb-nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb-nav .dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(46,230,200,.9);
}
.breadcrumb-nav a{color:var(--text-2);}
.breadcrumb-nav a:hover{color:var(--accent);}
.breadcrumb-nav .sep{color:var(--text-3);opacity:.6;}
.breadcrumb-nav .current{color:var(--text);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(46,230,200,.35);
  background:rgba(46,230,200,.08);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.eyebrow .pulse{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(46,230,200,.95);
}
.page-hero h1{
  font-size:clamp(28px,4.4vw,50px);
  line-height:1.15;
  letter-spacing:-.02em;
  max-width:760px;
  margin-bottom:16px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  max-width:620px;
  font-size:17px;
  color:var(--text-2);
  line-height:1.9;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.stat-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  color:#0A0910;
  background:var(--lime);
}
.stat-badge.alt{
  background:var(--accent);
}
.stat-badge.ghost{
  background:rgba(255,255,255,.06);
  color:var(--text-2);
  border:1px solid var(--line);
}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.2;
}
.section-head .lead{
  color:var(--text-2);
  font-size:15px;
  max-width:560px;
  margin-top:10px;
}
.section-head .side-link{
  font-size:14px;
  font-weight:700;
  color:var(--accent);
  white-space:nowrap;
}
.section-head .side-link:hover{color:var(--brand);}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  padding:16px;
  border-radius:var(--radius-md);
  background:var(--ink-800);
  border:1px solid var(--line);
  margin-bottom:32px;
}
.chip-group{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  cursor:pointer;
  transition:color .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.chip:hover{color:var(--text);border-color:var(--line-strong);transform:translateY(-2px);}
.chip.is-active{
  color:#150611;
  background:var(--grad-brand);
  border-color:transparent;
  box-shadow:0 10px 26px -16px rgba(255,46,126,.95);
}
.filter-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.select-wrap{position:relative;display:inline-flex;align-items:center;}
.select-wrap select{
  appearance:none;
  height:38px;
  padding:0 38px 0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
}
.select-wrap select:hover{border-color:var(--line-strong);}
.select-wrap::after{
  content:"";
  position:absolute;
  right:16px;
  width:7px;height:7px;
  border-right:2px solid var(--text-2);
  border-bottom:2px solid var(--text-2);
  transform:rotate(45deg) translateY(-2px);
  pointer-events:none;
}
.count-badge{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  background:rgba(46,230,200,.10);
  border:1px solid rgba(46,230,200,.32);
}

/* ---------- 画廊网格 ---------- */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.gallery-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.gallery-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:var(--grad-brand);
  opacity:0;
  transition:opacity .24s var(--ease);
  z-index:3;
}
.gallery-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover);
}
.gallery-card:hover::before{opacity:1;}

.gc-media{
  position:relative;
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--float);
}
.gc-media img{
  width:100%;
  height:100%;
  transition:transform .35s var(--ease),filter .35s var(--ease);
}
.gc-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(10,9,16,0) 40%,rgba(10,9,16,.78) 100%);
  pointer-events:none;
}
.gallery-card:hover .gc-media img{transform:scale(1.03);}
.gc-cat{
  position:absolute;
  left:14px;bottom:14px;
  z-index:2;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  color:#0A0910;
  background:var(--accent);
}
.gc-flag{
  position:absolute;
  right:14px;top:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  color:#0A0910;
  background:var(--lime);
}
.gallery-card.is-locked .gc-media img{filter:brightness(.68) saturate(.8);}
.gc-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px 22px 22px;
  flex:1;
}
.gc-body h3{
  font-size:19px;
  line-height:1.4;
}
.gc-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin:0;
}
.gc-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
.gc-meta .more{color:var(--accent);font-weight:700;}
.gallery-card:hover .gc-meta .more{color:var(--brand);}

.load-more-wrap{
  display:flex;
  justify-content:center;
  margin-top:36px;
}

/* ---------- 浏览指南（图文两栏） ---------- */
.guide{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
  padding:36px;
  border-radius:var(--radius-lg);
  background:var(--ink-800);
  border:1px solid var(--line);
}
.guide-media{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  aspect-ratio:4/3;
  border:1px solid var(--line);
}
.guide-media img{width:100%;height:100%;}
.guide-media .tag{
  position:absolute;
  left:18px;top:18px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  color:#150611;
  background:var(--grad-brand);
}
.guide-body h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.guide-body .lead{color:var(--text-2);font-size:15px;margin-bottom:24px;}
.step-list{display:flex;flex-direction:column;gap:16px;margin-bottom:26px;}
.step-item{
  display:flex;
  gap:16px;
  padding:16px 18px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.step-item:hover{border-color:rgba(46,230,200,.4);transform:translateY(-2px);}
.step-num{
  flex-shrink:0;
  width:34px;height:34px;
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:800;
  color:#150611;
  background:var(--grad-brand);
}
.step-item h4{font-size:16px;margin-bottom:4px;}
.step-item p{font-size:13.5px;color:var(--text-2);margin:0;line-height:1.75;}

/* ---------- 分区速览列表 ---------- */
.zone-list{
  display:flex;
  flex-direction:column;
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  background:var(--card);
}
.zone-row{
  display:grid;
  grid-template-columns:64px minmax(0,1.1fr) minmax(0,2fr) auto;
  align-items:center;
  gap:20px;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease);
}
.zone-row:last-child{border-bottom:0;}
.zone-row:hover{background:rgba(255,255,255,.035);}
.zone-index{
  font-size:15px;
  font-weight:800;
  color:transparent;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
}
.zone-row h3{font-size:17px;}
.zone-row p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}
.zone-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag-pill{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  white-space:nowrap;
}
.tag-pill.accent{color:var(--accent);border-color:rgba(46,230,200,.32);background:rgba(46,230,200,.08);}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;
  align-items:start;
}
.accordion-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .24s var(--ease);
}
.accordion-item:hover{border-color:var(--line-strong);}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(46,230,200,.35);
}
.accordion-item:has(.accordion-button:not(.collapsed))::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--grad-brand);
  z-index:2;
}
.accordion-button{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  padding:20px 24px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:17px;
  font-weight:700;
  text-align:left;
  box-shadow:none;
  transition:color .24s var(--ease);
}
.accordion-button:not(.collapsed){color:var(--text);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button::after{
  content:"";
  flex-shrink:0;
  margin-left:auto;
  width:10px;height:10px;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);
  background:none;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);
  border-color:var(--accent);
}
.faq-num{
  flex-shrink:0;
  font-size:13px;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--text-3);
  transition:color .24s var(--ease);
}
.accordion-button:not(.collapsed) .faq-num{color:var(--accent);}
.accordion-body{
  padding:0 24px 22px 58px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}

.faq-aside{
  position:sticky;
  top:96px;
  padding:28px;
  border-radius:var(--radius-md);
  background:var(--float);
  border:1px solid var(--line);
}
.faq-aside h3{font-size:19px;margin-bottom:10px;}
.faq-aside p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:18px;}
.faq-aside .btn{width:100%;}
.faq-aside .aside-note{
  margin-top:16px;
  font-size:12.5px;
  color:var(--text-3);
  border-top:1px solid var(--line);
  padding-top:14px;
}

/* ---------- CTA 大卡 ---------- */
.cta-block{
  position:relative;
  overflow:hidden;
  padding:56px 48px;
  border-radius:var(--radius-lg);
  background:var(--ink-800);
  border:1px solid transparent;
  background-image:linear-gradient(var(--ink-800),var(--ink-800)),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,126,.32),transparent 66%);
  pointer-events:none;
}
.cta-block > *{position:relative;z-index:2;}
.cta-block h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.cta-block p{color:var(--text-2);font-size:16px;max-width:620px;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink-900);
  padding:64px 0 28px;
  margin-top:24px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:var(--grad-brand);
  opacity:.55;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);
  gap:40px;
  padding-bottom:44px;
}
.footer-brand p{
  margin:18px 0;
  font-size:14px;
  color:var(--text-2);
  line-height:1.85;
  max-width:340px;
}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;}
.footer-badges span{
  display:inline-flex;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  color:var(--accent);
  background:rgba(46,230,200,.08);
  border:1px solid rgba(46,230,200,.28);
}
.footer-col h4{
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--text);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a,
.footer-col li span{
  font-size:14px;
  color:var(--text-2);
  transition:color .24s var(--ease),transform .24s var(--ease);
  display:inline-block;
}
.footer-col li a:hover{color:var(--accent);transform:translateX(2px);}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.85;margin-bottom:12px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
.footer-bottom p{margin:0;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guide{grid-template-columns:1fr;gap:32px;padding:28px;}
  .faq-layout{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .zone-row{grid-template-columns:48px minmax(0,1fr);gap:12px 16px;}
  .zone-row p{grid-column:2;}
  .zone-tags{grid-column:2;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
}
@media (max-width:767.98px){
  .container{padding:0 20px;}
  .header-inner{height:60px;gap:16px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .brand-text{font-size:17px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
  .brand-mark svg{width:19px;height:19px;}
  .mobile-drawer{inset:60px 0 0 0;}
  .page-hero{padding:26px 0 44px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-stats{gap:8px;}
  .stat-badge{font-size:12px;padding:7px 13px;}
  .filter-bar{padding:14px;}
  .filter-right{width:100%;margin-left:0;}
  .select-wrap{flex:1 1 auto;}
  .select-wrap select{width:100%;}
  .gallery-grid{grid-template-columns:1fr;gap:18px;}
  .cta-block{padding:36px 24px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:32px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-col:last-child{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .accordion-body{padding:0 20px 20px 20px;}
  .accordion-button{padding:16px 18px;font-size:15.5px;gap:12px;}
  .guide-media{aspect-ratio:16/10;}
}
@media (max-width:519.98px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-col:last-child{grid-column:auto;}
  .filter-right{flex-direction:column;align-items:stretch;}
  .zone-row{padding:18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .gallery-card:hover,.btn:hover{transform:none;}
  .gallery-card:hover .gc-media img{transform:none;}
}

/* roulang page: category4 */
:root{
  --ink-900:#0A0910;
  --ink-800:#12101C;
  --ink-700:#171429;
  --ink-600:#1E1A33;
  --brand:#FF3D8B;
  --brand-2:#8A5CFF;
  --accent:#2EE6C8;
  --lime:#D8FF4F;
  --text:#F3F1FB;
  --text-2:#B4AECB;
  --text-3:#7C7695;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(255,255,255,.18);
  --grad-brand:linear-gradient(100deg,#FF2E7E 0%,#8A5CFF 62%,#2EE6C8 100%);
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-1:0 8px 24px rgba(0,0,0,.40);
  --shadow-2:0 24px 60px -30px rgba(255,46,126,.35);
  --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 SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--ink-900);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.028) 0 1px,transparent 1px 64px);
  opacity:.85;
}
header,main,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,9,16,.93);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad-brand);
  display:grid;place-items:center;flex:0 0 auto;
  box-shadow:0 8px 20px -8px rgba(255,61,139,.9);
}
.brand-mark svg{width:23px;height:23px;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.brand-grad{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}
.nav-wrap{flex:1 1 auto;display:flex;justify-content:center;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text-2);position:relative;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.active{color:#fff;background:rgba(255,61,139,.10);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;
  background:var(--grad-brand);
  box-shadow:0 0 10px rgba(255,61,139,.7);
}
.header-cta{flex:0 0 auto;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),filter .24s var(--ease);
}
.btn-primary{
  background:var(--grad-brand);color:#0A0910;
  box-shadow:0 12px 28px -16px rgba(255,46,126,.95);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 40px -16px rgba(255,46,126,1);color:#0A0910;}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{
  background:transparent;color:var(--accent);border-color:rgba(46,230,200,.45);
}
.btn-secondary:hover{background:rgba(46,230,200,.10);transform:translateY(-2px);color:var(--accent);}
.header-cta .btn{height:42px;padding:0 20px;font-size:14px;}

/* ---------- mobile nav ---------- */
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text);align-items:center;justify-content:center;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
  transition:transform .24s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  position:fixed;inset:0;z-index:1040;background:#0D0B16;
  padding:22px 24px 40px;display:none;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.mobile-drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);
  border:1px solid var(--line);color:var(--text);font-size:20px;line-height:1;
  display:grid;place-items:center;
}
.drawer-link{
  display:flex;align-items:center;gap:10px;
  padding:14px 16px;border-radius:14px;font-size:16px;font-weight:600;color:var(--text-2);
  border-left:3px solid transparent;
}
.drawer-link:hover,.drawer-link.active{
  color:#fff;background:rgba(255,255,255,.05);border-left-color:var(--brand);
}
.drawer-cta{margin-top:20px;}
.drawer-note{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.8;}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:60px 0 72px;border-bottom:1px solid var(--line);}
.hero-media{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,9,16,.97) 0%,rgba(10,9,16,.90) 46%,rgba(10,9,16,.58) 100%);
}
.hero-glow{
  position:absolute;width:600px;height:600px;right:-180px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,126,.34),transparent 62%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:780px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:.45;}
.breadcrumb .current{color:var(--text);display:inline-flex;align-items:center;gap:6px;}
.breadcrumb .current::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(46,230,200,.32);background:rgba(46,230,200,.08);
  color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);}
.page-hero h1{font-size:clamp(30px,4.4vw,52px);margin:20px 0 16px;font-weight:800;}
.page-hero h1 .grad{
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:640px;line-height:1.9;}

.help-search{
  margin-top:32px;display:flex;align-items:center;gap:12px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:18px;
  padding:10px 10px 10px 18px;max-width:680px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.help-search:focus-within{border-color:rgba(46,230,200,.6);box-shadow:0 0 0 4px rgba(46,230,200,.12);}
.help-search .s-icon{width:20px;height:20px;color:var(--text-3);flex:0 0 auto;}
.help-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  color:var(--text);font-size:15px;font-family:inherit;height:44px;
}
.help-search input::placeholder{color:var(--text-3);}
.help-search .btn{height:44px;padding:0 24px;font-size:14px;flex:0 0 auto;}

.topic-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.topic-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text-2);font-size:14px;font-weight:600;
}
.topic-chip:hover{color:#fff;border-color:var(--line-hover);background:rgba(255,255,255,.08);transform:translateY(-2px);}
.topic-chip .num{font-size:12px;font-weight:800;color:var(--accent);letter-spacing:.04em;}

/* ---------- sections ---------- */
.section{padding:84px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.section-head p{font-size:15px;color:var(--text-2);}

.help-layout{display:grid;grid-template-columns:252px minmax(0,1fr);gap:44px;align-items:start;}
.help-side{position:sticky;top:96px;}
.side-card{
  background:var(--ink-700);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:22px;
}
.side-card h2{font-size:12px;letter-spacing:.10em;color:var(--text-3);font-weight:700;margin-bottom:14px;}
.side-list li+li{margin-top:4px;}
.side-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--text-2);
}
.side-list a:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px);}
.side-list a i{font-style:normal;font-size:12px;font-weight:800;color:var(--brand-2);letter-spacing:.04em;}
.side-tip{
  margin-top:16px;padding:16px;border-radius:16px;
  background:rgba(46,230,200,.06);border:1px solid rgba(46,230,200,.22);
  font-size:13px;line-height:1.85;color:var(--text-2);
}
.side-tip strong{color:var(--accent);display:block;margin-bottom:4px;font-size:13px;}

.faq-group+.faq-group{margin-top:48px;}
.faq-group h2{
  font-size:clamp(20px,2.4vw,26px);position:relative;
  padding-left:18px;margin-bottom:18px;display:flex;align-items:center;gap:12px;
}
.faq-group h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
.faq-group h2 .count{
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:3px 10px;border-radius:999px;
  background:rgba(216,255,79,.14);color:var(--lime);border:1px solid rgba(216,255,79,.28);
}
.faq-item{
  background:var(--ink-700);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item+.faq-item{margin-top:10px;}
.faq-item:hover{border-color:var(--line-hover);}
.faq-item.is-open{border-color:rgba(46,230,200,.38);background:var(--ink-600);}
.faq-q{
  display:flex;align-items:flex-start;gap:14px;width:100%;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  color:var(--text);font-size:16px;font-weight:700;line-height:1.6;cursor:pointer;
}
.q-num{font-size:13px;font-weight:800;color:var(--text-3);letter-spacing:.04em;flex:0 0 auto;padding-top:3px;}
.faq-item.is-open .q-num{color:var(--accent);}
.q-text{flex:1 1 auto;}
.q-icon{width:22px;height:22px;flex:0 0 auto;position:relative;margin-top:2px;}
.q-icon::before,.q-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;
  transition:transform .28s var(--ease),background .28s var(--ease);
}
.q-icon::before{left:3px;right:3px;top:10px;height:2px;}
.q-icon::after{top:3px;bottom:3px;left:10px;width:2px;}
.faq-item.is-open .q-icon::before{background:var(--accent);}
.faq-item.is-open .q-icon::after{transform:scaleY(0);background:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a-inner{padding:0 20px 20px 54px;font-size:15px;line-height:1.92;color:var(--text-2);}
.faq-a-inner a{color:var(--accent);border-bottom:1px solid rgba(46,230,200,.4);}
.faq-a-inner a:hover{border-bottom-color:var(--accent);}
.faq-item.is-open .faq-a{max-height:480px;}

/* ---------- contact ---------- */
.contact-card{
  position:relative;overflow:hidden;
  background:var(--ink-700);border:1px solid var(--line);border-radius:28px;
  padding:48px;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.contact-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-brand);opacity:.9;
}
.contact-card::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;bottom:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(138,92,255,.30),transparent 62%);
  pointer-events:none;
}
.contact-text{position:relative;z-index:1;}
.contact-card h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.contact-card p{font-size:15px;color:var(--text-2);max-width:520px;}
.contact-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.contact-points span{
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:rgba(46,230,200,.10);color:var(--accent);border:1px solid rgba(46,230,200,.25);
}
.contact-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}
.contact-media{position:relative;z-index:1;}
.contact-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px;
  border:1px solid var(--line);
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);position:relative;margin-top:8px;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad-brand);opacity:.75;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.9;margin:16px 0 18px;max-width:340px;}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap;}
.footer-badges span{
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:rgba(46,230,200,.10);color:var(--accent);border:1px solid rgba(46,230,200,.25);
}
.footer-col h4{font-size:15px;margin-bottom:16px;letter-spacing:0;}
.footer-col ul li+li{margin-top:10px;}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.9;margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 34px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .nav-wrap,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .help-layout{grid-template-columns:1fr;gap:28px;}
  .help-side{position:static;}
  .contact-card{grid-template-columns:1fr;padding:36px 28px;gap:28px;}
  .contact-media{order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .header-inner{height:62px;gap:14px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;}
  .brand-mark svg{width:21px;height:21px;}
  .page-hero{padding:42px 0 52px;}
  .hero-sub{font-size:15px;}
  .help-search{padding:12px;flex-wrap:wrap;gap:10px;border-radius:16px;}
  .help-search input{flex:1 1 100%;order:2;height:40px;padding:0 4px;}
  .help-search .s-icon{order:1;}
  .help-search .btn{order:3;flex:1 1 100%;height:44px;}
  .faq-a-inner{padding-left:20px;}
  .section{padding:52px 0;}
  .section-tight{padding:48px 0;}
  .contact-actions .btn{flex:1 1 auto;}
}
@media (max-width:575px){
  .container{padding:0 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px;}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12px;}
  .topic-chip{font-size:13px;padding:8px 14px;}
  .contact-card{padding:28px 20px;border-radius:22px;}
  .faq-q{font-size:15px;padding:16px 16px;}
  .btn{width:100%;}
  .header-cta .btn,.help-search .btn{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}