/* roulang page: index */
:root{
  --deep-a:#150E2E;
  --deep-b:#2A1A5E;
  --deep-c:#4B2A8C;
  --primary:#6B46E5;
  --primary-2:#9B6BFF;
  --primary-soft:#F1EEFF;
  --gold:#F2B04A;
  --aqua:#33D6C8;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --line:#E7E2FA;
  --text:#1C1730;
  --muted:#6B6480;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --pill:999px;
  --s1:0 2px 8px rgba(28,23,48,.06);
  --s2:0 10px 28px rgba(107,70,229,.12);
  --s3:0 24px 60px rgba(21,14,46,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-top:72px;
  --nav-tabs:52px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color 200ms var(--ease),background-color 200ms var(--ease);}
button,input{font:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(107,70,229,.35);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-white{background:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--primary);background:var(--primary-soft);
  padding:6px 16px;border-radius:var(--pill);
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.015em;line-height:1.25;
  margin-bottom:10px;
}
.section-head p{color:var(--muted);font-size:15px;max-width:660px;}
.head-link{font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.head-link:hover{gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--pill);font-size:12px;font-weight:600;
  background:var(--primary-soft);color:var(--primary);
}
.tag-aqua{background:rgba(51,214,200,.14);color:#10857A;}
.tag-gold{background:rgba(242,176,74,.16);color:#9A6208;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
  cursor:pointer;white-space:nowrap;}
.btn i{font-size:14px;}
.btn-primary-grad{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:var(--s2);}
.btn-primary-grad:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(107,70,229,.3);color:#fff;}
.btn-primary-grad:active{transform:translateY(0);box-shadow:var(--s2);}
.btn-outline-grad{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline-grad:hover{background:var(--primary-soft);color:var(--primary);}
.btn-outline-light{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.06);}
.btn-outline-light:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.75);}
.btn-ghost{height:40px;padding:0 20px;font-size:14px;color:var(--primary);background:var(--primary-soft);border-radius:var(--pill);}
.btn-ghost:hover{background:#E4DEFF;color:var(--primary);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);}
.nav-top-inner{display:flex;align-items:center;gap:24px;height:var(--nav-top);}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--deep-b),var(--primary-2));
  color:#fff;font-size:18px;box-shadow:0 6px 16px rgba(107,70,229,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.01em;}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.05em;}
.nav-search{
  flex:1 1 auto;max-width:400px;display:flex;align-items:center;gap:10px;
  height:48px;padding:0 20px;border-radius:var(--pill);background:var(--primary-soft);
  transition:box-shadow 200ms var(--ease),background-color 200ms var(--ease);
}
.nav-search:focus-within{background:#fff;box-shadow:0 0 0 1.5px var(--primary),var(--s1);}
.nav-search i{color:var(--muted);font-size:14px;}
.nav-search input{
  flex:1;border:0;outline:none;background:transparent;font-size:14px;color:var(--text);min-width:0;
}
.nav-search input::placeholder{color:#9A93AE;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-help{font-size:14px;font-weight:600;color:var(--muted);padding:8px 4px;}
.nav-help:hover{color:var(--primary);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--text);align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.nav-tabs{border-bottom:1px solid var(--line);border-top:1px solid transparent;}
.tabs-scroll{
  display:flex;gap:10px;align-items:center;height:var(--nav-tabs);
  overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;height:36px;display:inline-flex;align-items:center;padding:0 18px;
  border-radius:var(--pill);background:var(--primary-soft);color:var(--muted);
  font-size:14px;font-weight:600;scroll-snap-align:start;
}
.tab:hover{background:#E4DEFF;color:var(--text);}
.tab.is-active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 6px 16px rgba(107,70,229,.26);}
.tab.is-active:hover{color:#fff;}

/* 抽屉 */
.nav-drawer{background:#FBFaff;width:320px;}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px;}
.nav-drawer .offcanvas-title{font-size:16px;font-weight:800;}
.nav-drawer .offcanvas-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px;}
.drawer-link{
  display:flex;align-items:center;height:50px;padding:0 18px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);color:var(--text);font-weight:600;font-size:15px;
}
.drawer-link:hover{border-color:var(--primary);color:var(--primary);}
.drawer-link.is-active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border-color:transparent;}
.drawer-actions{margin-top:14px;display:flex;flex-direction:column;gap:10px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(140deg,var(--deep-a) 0%,var(--deep-b) 55%,var(--deep-c) 100%);
  padding:84px 0 76px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.85;
  background-image:
    radial-gradient(1.8px 1.8px at 8% 18%, rgba(255,255,255,.7), transparent 100%),
    radial-gradient(1.5px 1.5px at 32% 72%, rgba(255,255,255,.45), transparent 100%),
    radial-gradient(1.6px 1.6px at 56% 26%, rgba(255,255,255,.55), transparent 100%),
    radial-gradient(1.4px 1.4px at 74% 62%, rgba(255,255,255,.4), transparent 100%),
    radial-gradient(1.7px 1.7px at 90% 30%, rgba(255,255,255,.5), transparent 100%),
    radial-gradient(1.3px 1.3px at 44% 88%, rgba(255,255,255,.35), transparent 100%),
    radial-gradient(1.5px 1.5px at 18% 52%, rgba(255,255,255,.4), transparent 100%),
    radial-gradient(1.2px 1.2px at 66% 8%, rgba(255,255,255,.4), transparent 100%);
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(155,107,255,.34),transparent 68%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 18px;border-radius:var(--pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  font-size:13px;font-weight:700;letter-spacing:.05em;color:rgba(255,255,255,.92);
}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  color:#fff;margin:18px 0 18px;
}
.hero-sub{font-size:17px;color:rgba(255,255,255,.85);max-width:540px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.hero-badges li{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:rgba(255,255,255,.9);
}
.hero-badges li i{color:var(--aqua);font-size:12px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:var(--s3);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-xl);
  background:linear-gradient(160deg,rgba(107,70,229,.34),rgba(21,14,46,.55));
  pointer-events:none;
}
.hero-float-card{
  position:absolute;left:-18px;bottom:-22px;z-index:3;width:250px;
  background:rgba(255,255,255,.94);border-radius:var(--r-lg);padding:18px 20px;
  box-shadow:var(--s3);color:var(--text);
}
.hero-float-card .fc-label{font-size:12px;color:var(--muted);font-weight:600;}
.hero-float-card .fc-value{font-size:17px;font-weight:800;margin-top:6px;color:var(--primary);}
.hero-float-card .fc-note{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.55;}

/* ---------- 路径卡片 ---------- */
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.path-card{
  position:relative;background:var(--card);border-radius:var(--r-lg);padding:26px 24px;
  box-shadow:var(--s1);border:1px solid var(--line);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:#D9CFFF;}
.path-card .step-no{
  width:38px;height:38px;border-radius:var(--pill);display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.path-card h3{font-size:18px;font-weight:800;margin:18px 0 10px;line-height:1.35;}
.path-card p{font-size:14.5px;color:var(--muted);}
.path-card .path-meta{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:12.5px;color:var(--aqua);font-weight:600;}

/* ---------- 权益矩阵 ---------- */
.matrix-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-lg);box-shadow:var(--s1);background:#fff;}
.matrix{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;font-size:15px;}
.matrix thead th{
  position:sticky;top:0;z-index:2;background:var(--primary-soft);
  color:var(--text);font-weight:800;font-size:14.5px;padding:18px 20px;text-align:center;
  border-bottom:1px solid var(--line);
}
.matrix thead th:first-child{text-align:left;border-top-left-radius:var(--r-lg);}
.matrix thead th:last-child{border-top-right-radius:var(--r-lg);}
.matrix tbody th{
  text-align:left;font-weight:600;color:var(--text);padding:16px 20px;font-size:14.5px;
  border-bottom:1px solid var(--line);width:36%;
}
.matrix tbody td{
  text-align:center;padding:16px 20px;border-bottom:1px solid var(--line);color:var(--muted);
  font-size:14px;
}
.matrix tbody tr:hover th,.matrix tbody tr:hover td{background:#FAF8FF;}
.matrix tbody tr:last-child th,.matrix tbody tr:last-child td{border-bottom:0;}
.matrix .yes{
  color:var(--primary);font-weight:800;display:inline-flex;align-items:center;gap:6px;
}
.matrix .no{color:#B9B2C9;font-weight:700;}
.matrix .col-hi{background:rgba(242,176,74,.07);}

/* ---------- 等级卡片 ---------- */
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.level-card{
  position:relative;background:#fff;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--s1);border:1px solid var(--line);padding:32px 28px 28px;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.level-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
}
.level-card.is-gold::before{background:linear-gradient(90deg,var(--gold),#FFD98A);}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.level-card h3{font-size:21px;font-weight:800;margin-bottom:8px;}
.level-card .lv-desc{font-size:14px;color:var(--muted);min-height:44px;}
.level-card ul{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px;}
.level-card ul li{display:flex;gap:10px;font-size:14.5px;color:#3B3455;}
.level-card ul li i{color:var(--aqua);margin-top:5px;font-size:12px;}
.level-card .lv-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:18px;}
.ribbon{
  position:absolute;top:18px;right:-38px;transform:rotate(38deg);
  background:linear-gradient(135deg,var(--gold),#FFD98A);color:#4A2E00;
  font-size:11.5px;font-weight:800;letter-spacing:.05em;padding:6px 44px;
}

/* ---------- 内容卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.content-card{
  display:flex;flex-direction:column;background:#fff;border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--s1);border:1px solid var(--line);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.cc-cover{position:relative;background:var(--primary-soft);}
.cc-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cc-lock{
  position:absolute;top:12px;right:12px;height:28px;display:inline-flex;align-items:center;gap:6px;
  padding:0 12px;border-radius:var(--pill);background:rgba(21,14,46,.78);color:#fff;font-size:11.5px;font-weight:600;
}
.cc-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;gap:10px;}
.cc-body h3{font-size:16.5px;font-weight:700;line-height:1.45;}
.cc-body p{font-size:13.5px;color:var(--muted);flex:1;}
.cc-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted);}
.content-card:hover h3{color:var(--primary);}

/* ---------- 平台说明 ---------- */
.assure{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.assure-item{
  background:#fff;border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--s1);border:1px solid var(--line);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.assure-item:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.assure-item .ai-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-size:18px;margin-bottom:18px;
}
.assure-item h3{font-size:18px;font-weight:800;margin-bottom:10px;}
.assure-item p{font-size:14.5px;color:var(--muted);}

/* ---------- CMS 资讯 ---------- */
.news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.news-feature{
  display:block;background:#fff;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--s1);border:1px solid var(--line);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.news-feature .nf-cover{background:var(--primary-soft);}
.news-feature .nf-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.nf-body{padding:26px 28px 28px;}
.nf-body h3{font-size:20px;font-weight:800;line-height:1.45;margin:14px 0 12px;color:var(--text);}
.news-feature:hover .nf-body h3{color:var(--primary);}
.nf-body p{font-size:14.5px;color:var(--muted);}
.nf-meta{display:flex;align-items:center;gap:14px;margin-top:18px;font-size:12.5px;color:var(--muted);}
.news-rows{display:flex;flex-direction:column;gap:14px;}
.news-row{
  display:block;background:#fff;border-radius:var(--r-lg);padding:20px 22px;
  box-shadow:var(--s1);border:1px solid var(--line);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.news-row:hover{transform:translateY(-3px);box-shadow:var(--s2);border-color:#D9CFFF;}
.news-row h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--text);}
.news-row:hover h3{color:var(--primary);}
.news-row p{font-size:13.5px;color:var(--muted);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-row .nr-meta{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:12.5px;color:var(--muted);}
.empty-state{
  background:var(--primary-soft);border-radius:var(--r-lg);min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px 24px;border:1px dashed #CFC5F5;
}
.empty-state i{font-size:28px;color:var(--primary-2);}
.empty-state p{font-size:14.5px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--s1);
}
.faq-accordion .accordion-button{
  background:#fff;color:var(--text);font-weight:700;font-size:16px;
  padding:20px 54px 20px 22px;box-shadow:none;line-height:1.5;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--primary);background:#fff;}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(107,70,229,.18);}
.faq-accordion .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--primary);transition:transform 220ms var(--ease);
  width:auto;height:auto;display:grid;place-items:center;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-accordion .accordion-body{padding:0 22px 22px;font-size:14.5px;color:var(--muted);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);color:#fff;
  background:linear-gradient(140deg,var(--deep-a),var(--deep-b) 58%,var(--deep-c));
  padding:56px 52px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
  background-image:
    radial-gradient(1.6px 1.6px at 14% 26%, rgba(255,255,255,.55), transparent 100%),
    radial-gradient(1.4px 1.4px at 62% 18%, rgba(255,255,255,.45), transparent 100%),
    radial-gradient(1.5px 1.5px at 84% 66%, rgba(255,255,255,.4), transparent 100%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.25;letter-spacing:-.015em;}
.cta-band p{color:rgba(255,255,255,.85);margin-top:14px;font-size:15px;}
.cta-steps{display:flex;flex-direction:column;gap:18px;}
.cta-step{display:flex;gap:16px;align-items:flex-start;}
.cta-step .cs-no{
  flex:0 0 auto;width:36px;height:36px;border-radius:var(--pill);display:grid;place-items:center;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
}
.cta-step h3{font-size:16px;font-weight:700;color:#fff;}
.cta-step p{font-size:13.5px;color:rgba(255,255,255,.78);margin-top:4px;}
.cta-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(140deg,var(--deep-a),#1D1240 55%,var(--deep-b));
  padding:70px 0 0;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 30%, rgba(255,255,255,.45), transparent 100%),
    radial-gradient(1.4px 1.4px at 48% 62%, rgba(255,255,255,.35), transparent 100%),
    radial-gradient(1.4px 1.4px at 82% 24%, rgba(255,255,255,.4), transparent 100%);
}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .fb-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .fb-logo span.mark{
  width:40px;height:40px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));font-size:18px;
}
.footer-brand .fb-logo strong{font-size:17px;font-weight:800;letter-spacing:.01em;}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:800;margin-bottom:18px;color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--gold);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
.footer-col li span{color:rgba(255,255,255,.72);font-size:14px;}
.footer-note{
  position:relative;z-index:2;margin-top:52px;border-top:1px solid rgba(255,255,255,.14);
  padding:24px 0 30px;display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .path-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .level-grid{grid-template-columns:1fr 1fr;}
  .news-layout{grid-template-columns:1fr;}
  .assure{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  :root{--nav-top:60px;--nav-tabs:48px;}
  .nav-search,.nav-help{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn{height:42px;padding:0 18px;font-size:14px;}
  .hero{padding:60px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-float-card{left:auto;right:16px;bottom:-18px;width:220px;}
  .section{padding:64px 0;}
  .level-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand-sub{display:none;}
  .section{padding:48px 0;}
  .path-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .assure{grid-template-columns:1fr;}
  .hero-badges{gap:8px;}
  .hero-badges li{height:32px;font-size:12.5px;padding:0 13px;}
  .hero-cta .btn{width:100%;}
  .hero-float-card{position:static;width:100%;margin-top:18px;left:auto;right:auto;bottom:auto;}
  .section-head{margin-bottom:28px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-note{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:36px 22px;border-radius:var(--r-lg);}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#6B46E5;
  --brand-2:#9B6BFF;
  --gold:#F2B04A;
  --cyan:#33D6C8;
  --bg:#F6F4FF;
  --surface:#FFFFFF;
  --line:#E7E2FA;
  --text:#1C1730;
  --muted:#6B6480;
  --soft:#F1EEFF;
  --deep-1:#150E2E;
  --deep-2:#2A1A5E;
  --deep-3:#4B2A8C;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --s1:0 2px 8px rgba(28,23,48,.06);
  --s2:0 10px 28px rgba(107,70,229,.12);
  --s3:0 24px 60px rgba(21,14,46,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:124px;
  --bs-primary:#6B46E5;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --bs-border-radius:16px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(107,70,229,.35);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1040;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--s1);}
.nav-top{height:72px;display:flex;align-items:center;gap:24px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo .mark{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(140deg,var(--deep-1),var(--deep-2) 55%,var(--deep-3));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;box-shadow:var(--s2);
}
.logo .txt{display:flex;flex-direction:column;line-height:1.15;}
.logo .txt strong{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.logo .txt span{font-size:12px;color:var(--muted);letter-spacing:.06em;}
.nav-search{flex:1 1 auto;max-width:420px;position:relative;}
.nav-search input{
  width:100%;height:48px;border-radius:999px;border:1px solid var(--line);
  background:var(--soft);padding:0 46px 0 20px;font-size:15px;color:var(--text);
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.nav-search input::placeholder{color:#9A93B2;}
.nav-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(107,70,229,.12);}
.nav-search i{position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--muted);}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.link-help{font-size:15px;color:var(--muted);padding:8px 4px;}
.link-help:hover{color:var(--brand);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  box-shadow:var(--s2);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(107,70,229,.28);}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  border:1.5px solid var(--brand);background:transparent;color:var(--brand);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.btn-line:hover{background:var(--soft);color:var(--brand);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--brand);
  font-size:14px;font-weight:600;transition:background .2s var(--ease),border-color .2s var(--ease);
}
.btn-ghost:hover{background:var(--soft);border-color:#D6CDF9;}
.burger{
  display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:18px;align-items:center;justify-content:center;
}
.nav-tabs{border-top:0;border-bottom:1px solid var(--line);}
.tabs-scroll{
  display:flex;align-items:center;gap:10px;height:52px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;padding:0 18px;
  border-radius:999px;background:var(--soft);color:var(--muted);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.tab:hover{background:#E6E0FF;color:var(--brand);}
.tab.is-active{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:var(--s2);
}
.tab.is-active:hover{color:#fff;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:16px 0;font-size:13.5px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3BCE0;}
.crumb .current{color:#9A93B2;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 页面主体 ---------- */
.page-main{padding-top:var(--nav-h);}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;padding:40px 0 88px;align-items:start;
}
.article-head{margin-bottom:24px;}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:999px;background:rgba(51,214,200,.14);color:#12897F;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.article-title{
  font-size:clamp(26px,3vw,38px);line-height:1.25;font-weight:800;
  letter-spacing:-.02em;margin:16px 0 14px;color:var(--text);
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:16px;font-size:13.5px;color:var(--muted);}
.meta-row .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);}
.cover-wrap{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--s1);margin-bottom:36px;background:var(--soft);}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover;}

.reader{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 48px;box-shadow:var(--s1);max-width:860px;
}
.article-body{font-size:17px;line-height:1.85;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:26px;font-weight:800;letter-spacing:-.01em;
  margin:2.2em 0 .9em;padding-left:16px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.article-body h3{font-size:20px;font-weight:700;margin:1.8em 0 .7em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body li{margin:.4em 0;}
.article-body a{border-bottom:1px solid rgba(107,70,229,.35);}
.article-body img{border-radius:var(--r-sm);margin:1.6em auto;box-shadow:var(--s1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--soft);
  border-left:4px solid var(--gold);border-radius:0 var(--r-xs) var(--r-xs) 0;
  color:#3A3357;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:1.6em 0;font-size:15px;border-radius:var(--r-xs);
}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 16px;text-align:left;}
.article-body th{background:var(--soft);font-weight:700;white-space:nowrap;}
.article-body pre{
  background:linear-gradient(140deg,var(--deep-1),var(--deep-2));
  color:#EDE9FF;border-radius:var(--r-xs);padding:20px 22px;overflow-x:auto;
  font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
.article-body p code,.article-body li code{
  background:var(--soft);color:#4A2FBF;padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* 空态 */
.empty-state{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:var(--soft);border-radius:var(--r-md);padding:40px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--brand-2);}
.empty-state p{margin:0;color:var(--muted);font-size:15px;}
.empty-state .btn-line{height:44px;padding:0 22px;font-size:14px;}

/* 文末操作 */
.article-actions{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:28px;border-top:1px solid var(--line);
}
.tag-row{display:flex;gap:10px;flex-wrap:wrap;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--soft);color:#5A46B5;font-size:12.5px;font-weight:600;
}

/* 相关推荐 */
.related{margin-top:72px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;}
.sec-head h2{font-size:26px;font-weight:800;margin:0;letter-spacing:-.01em;}
.sec-head p{margin:6px 0 0;font-size:14px;color:var(--muted);}
.link-more{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--s1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:#DCD4FA;}
.card .thumb{aspect-ratio:16/9;background:var(--soft);overflow:hidden;}
.card .thumb img{width:100%;height:100%;object-fit:cover;}
.card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card h3{font-size:17px;font-weight:700;line-height:1.45;margin:0;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover h3{color:var(--brand);}
.card .desc{font-size:14px;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card .foot{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:12.5px;color:#9A93B2;}
.card .foot .pill{background:var(--soft);color:#5A46B5;padding:3px 10px;border-radius:999px;font-weight:600;}

/* 侧栏 */
.sidebar{position:sticky;top:148px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--s1);}
.side-card h3{font-size:16px;font-weight:800;margin:0 0 14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand-2);font-size:14px;}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;font-size:14px;color:var(--muted);padding:8px 12px;border-radius:10px;
  border-left:3px solid transparent;transition:all .18s var(--ease);
}
.toc-list a:hover{background:var(--soft);color:var(--brand);border-left-color:var(--brand);}
.hot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;}
.hot-list li{display:flex;gap:12px;align-items:flex-start;}
.hot-list .idx{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--soft);color:var(--brand);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.hot-list a{font-size:14px;line-height:1.55;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-list a:hover{color:var(--brand);}
.side-cta{
  border-radius:var(--r-md);padding:24px;color:#fff;
  background:linear-gradient(140deg,var(--deep-1),var(--deep-2) 55%,var(--deep-3));
  box-shadow:var(--s2);
}
.side-cta h3{font-size:17px;font-weight:800;margin:0 0 8px;color:#fff;display:block;}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.85);margin:0 0 16px;line-height:1.7;}
.side-cta .btn-main{width:100%;height:44px;font-size:14px;}
.side-cta .mini{display:block;margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.72);text-align:center;}
.side-cta .mini:hover{color:var(--gold);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(140deg,var(--deep-1),var(--deep-2) 55%,var(--deep-3));
  color:#fff;padding:72px 0 28px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .fb-logo .mark{
  width:36px;height:36px;border-radius:12px;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;color:var(--gold);
}
.footer-brand strong{font-size:16.5px;font-weight:800;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;max-width:320px;}
.footer-col h3{font-size:14px;font-weight:700;margin:0 0 16px;color:#fff;letter-spacing:.04em;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.72);line-height:1.6;}
.footer-col a:hover{color:var(--gold);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.footer-note{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* Offcanvas 移动抽屉 */
.offcanvas.offcanvas-end{background:var(--soft);border-radius:20px 0 0 20px;max-width:320px;}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-body .m-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;}
.offcanvas-body .m-list a{
  display:block;padding:12px 16px;border-radius:14px;background:#fff;color:var(--text);
  font-size:15px;font-weight:600;box-shadow:var(--s1);
}
.offcanvas-body .m-list a:hover{color:var(--brand);}
.offcanvas-body .m-search{margin:16px 0 8px;}
.offcanvas-body .m-cta{display:flex;flex-direction:column;gap:12px;margin-top:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  :root{--nav-h:108px;}
  .nav-search{display:none;}
  .nav-actions .btn-line,.nav-actions .link-help{display:none;}
  .burger{display:inline-flex;}
  .nav-top{height:60px;gap:14px;}
  .logo .txt strong{font-size:16px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:28px 0 64px;}
  .sidebar{position:static;order:2;}
  .reader{padding:32px 28px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:22px;}
  .reader{padding:24px 20px;border-radius:var(--r-md);}
  .crumb .current{max-width:100%;white-space:normal;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-note{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --ink:#1C1730;
  --muted:#6B6480;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --line:#E7E2FA;
  --violet:#6B46E5;
  --violet-lt:#9B6BFF;
  --gold:#F2B04A;
  --cyan:#33D6C8;
  --deep-1:#150E2E;
  --deep-2:#2A1A5E;
  --deep-3:#4B2A8C;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --s1:0 2px 8px rgba(28,23,48,.06);
  --s2:0 10px 28px rgba(107,70,229,.12);
  --s3:0 24px 60px rgba(21,14,46,.24);
  --grad-violet:linear-gradient(120deg,#6B46E5 0%,#9B6BFF 100%);
  --grad-deep:linear-gradient(140deg,#150E2E 0%,#2A1A5E 55%,#4B2A8C 100%);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:#6B46E5;
  --bs-primary-rgb:107,70,229;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#1C1730;
  --bs-body-bg:#F6F4FF;
  --bs-border-color:#E7E2FA;
  --bs-border-radius:20px;
  --bs-link-color:#6B46E5;
  --bs-link-hover-color:#4B2A8C;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--violet);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:#4B2A8C;}
button,input{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
p{margin:0;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

:focus-visible{outline:3px solid rgba(107,70,229,.35);outline-offset:2px;border-radius:6px;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--s1);}

.topbar{border-bottom:1px solid var(--line);}
.topbar-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:999px;
  background:var(--grad-violet);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:17px;
  box-shadow:var(--s2);
}
.brand-text{display:flex;align-items:baseline;gap:8px;}
.brand-text strong{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-text em{
  font-style:normal;
  font-size:12px;
  color:var(--muted);
  padding:3px 10px;
  border-radius:999px;
  background:#F1EEFF;
  letter-spacing:.02em;
}
.search{
  flex:1;
  max-width:420px;
  height:48px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 20px;
  border-radius:999px;
  background:#F6F4FF;
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.search:focus-within{border-color:var(--violet);background:#fff;box-shadow:0 0 0 3px rgba(107,70,229,.12);}
.search i{color:var(--muted);font-size:14px;}
.search input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--ink);
}
.search input::placeholder{color:#9A93AE;}
.topbar-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex-shrink:0;}
.link-help{font-size:15px;color:var(--muted);}
.link-help:hover{color:var(--violet);}

.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:0;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary-pill{
  background:var(--grad-violet);color:#fff;box-shadow:var(--s2);
}
.btn-primary-pill:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(107,70,229,.28);color:#fff;}
.btn-primary-pill:active{transform:translateY(0);}
.btn-outline-pill{
  background:transparent;color:var(--violet);border:1.5px solid var(--violet);
}
.btn-outline-pill:hover{background:#F1EEFF;color:var(--violet);}
.btn-ghost{
  height:40px;padding:0 18px;font-size:14px;font-weight:700;
  color:var(--violet);background:#F1EEFF;border-radius:999px;
}
.btn-ghost:hover{background:#E5DDFF;color:#4B2A8C;}
.btn-light-pill{
  background:#fff;color:var(--violet);box-shadow:var(--s1);
}
.btn-light-pill:hover{color:#4B2A8C;transform:translateY(-2px);box-shadow:var(--s2);}
.btn-sm{height:44px;padding:0 22px;font-size:14.5px;}

.hamburger{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:#F1EEFF;color:var(--violet);border:0;font-size:18px;
  align-items:center;justify-content:center;
}

/* 频道 Tabs */
.nav-tabs{
  position:relative;
  border-bottom:1px solid var(--line);
  background:#fff;
}
.nav-tabs::before,.nav-tabs::after{
  content:"";position:absolute;top:0;bottom:1px;width:24px;pointer-events:none;z-index:2;
}
.nav-tabs::before{left:0;background:linear-gradient(90deg,#fff 20%,rgba(255,255,255,0));}
.nav-tabs::after{right:0;background:linear-gradient(270deg,#fff 20%,rgba(255,255,255,0));}
.tabs-scroll{
  display:flex;align-items:center;gap:10px;
  height:52px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;align-items:center;
  height:38px;padding:0 20px;border-radius:999px;
  background:#F1EEFF;color:var(--muted);
  font-size:14.5px;font-weight:700;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.tab:hover{background:#E7DFFF;color:var(--violet);}
.tab.is-active{
  background:var(--grad-violet);color:#fff;
  box-shadow:0 6px 16px rgba(107,70,229,.24);
}

/* offcanvas */
.offcanvas-panel{background:#F6F4FF;}
.offcanvas-panel .offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-panel .oc-title{font-weight:800;font-size:17px;}
.oc-links{display:flex;flex-direction:column;gap:8px;margin:18px 0 22px;}
.oc-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 18px;border-radius:16px;
  background:#fff;color:var(--ink);font-weight:700;font-size:15px;
  box-shadow:var(--s1);
}
.oc-links a.is-active{background:var(--grad-violet);color:#fff;}
.oc-links a span{font-size:12px;color:var(--muted);font-weight:600;}
.oc-links a.is-active span{color:rgba(255,255,255,.8);}
.oc-actions{display:flex;flex-direction:column;gap:12px;}
.oc-actions .btn{width:100%;}

/* ============ 主内容 ============ */
main{display:block;}

.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:999px;
  background:#F1EEFF;color:var(--violet);
  font-size:13px;font-weight:700;
}
.section-head h2{font-size:clamp(24px,3vw,31px);line-height:1.25;margin:16px 0 12px;}
.section-head p{color:var(--muted);font-size:16px;}

/* 分类 Hero */
.cat-hero{padding:32px 0 8px;}
.breadcrumb-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);margin-bottom:18px;
}
.breadcrumb-bar a{color:var(--muted);}
.breadcrumb-bar a:hover{color:var(--violet);}
.breadcrumb-bar .sep{color:#BDB6D4;}
.breadcrumb-bar .current{color:var(--muted);}
.hero-panel{
  position:relative;
  background:#fff;
  border-radius:var(--r-lg);
  box-shadow:var(--s2);
  padding:56px 56px 48px;
  overflow:hidden;
  border:1px solid var(--line);
}
.hero-panel::after{
  content:"";
  position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(107,70,229,.14) 0%,rgba(107,70,229,0) 70%);
  pointer-events:none;
}
.hero-panel h1{
  font-size:clamp(26px,3vw,38px);
  line-height:1.25;
  margin:18px 0 16px;
  max-width:840px;
}
.hero-sub{
  max-width:760px;
  color:var(--muted);
  font-size:16.5px;
  line-height:1.85;
}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 30px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 15px;border-radius:999px;
  background:#F1EEFF;color:var(--violet);
  font-size:13px;font-weight:700;
}
.badge i{font-size:12px;}
.badge.gold{background:#FFF6E6;color:#A96B0B;border:1px solid rgba(242,176,74,.6);}
.badge.deep{background:transparent;color:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.3);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 等级卡网格 */
.level-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.level-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--card);
  border-radius:var(--r-lg);
  box-shadow:var(--s1);
  padding:32px 28px 28px;
  border:1px solid var(--line);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.level-card::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:6px;
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:var(--grad-violet);
}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.level-card.featured{border-color:rgba(242,176,74,.55);}
.level-card.featured::before{background:linear-gradient(90deg,#F2B04A,#9B6BFF);}
.corner-tag{
  position:absolute;right:20px;top:-13px;
  height:26px;padding:0 14px;border-radius:999px;
  background:#FFF6E6;color:#A96B0B;border:1px solid var(--gold);
  font-size:12px;font-weight:800;display:inline-flex;align-items:center;
}
.level-name{font-size:21px;font-weight:800;margin:14px 0 8px;}
.level-desc{color:var(--muted);font-size:14.5px;min-height:48px;}
.level-list{margin:22px 0 24px;display:flex;flex-direction:column;gap:12px;}
.level-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:#3A3350;
}
.level-list i{
  margin-top:5px;font-size:12px;color:var(--cyan);flex-shrink:0;
}
.level-list li.off{color:#9A93AE;}
.level-list li.off i{color:#C9C3DC;}
.price-badge{
  display:inline-flex;align-items:center;gap:8px;
  align-self:flex-start;
  height:34px;padding:0 16px;border-radius:999px;
  background:#F6F4FF;border:1px solid var(--line);
  color:var(--violet);font-size:13px;font-weight:800;
  margin-bottom:22px;
}
.level-card .btn{width:100%;}
.level-foot{margin-top:auto;}

/* 图文分节 */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--s2);
  background:#EDE8FF;
}
.split-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media .media-tag{
  position:absolute;left:20px;bottom:20px;
  height:32px;padding:0 14px;border-radius:999px;
  background:rgba(21,14,46,.72);color:#fff;
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;
}
.split-body h2{font-size:clamp(22px,2.6vw,29px);line-height:1.3;margin:16px 0 16px;}
.split-body p{color:var(--muted);font-size:15.5px;margin-bottom:16px;}
.step-list{display:flex;flex-direction:column;gap:18px;margin-top:26px;}
.step-list li{display:flex;gap:16px;align-items:flex-start;}
.step-num{
  flex:0 0 auto;
  width:36px;height:36px;border-radius:999px;
  background:var(--grad-violet);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;
}
.step-list h3{font-size:16.5px;margin-bottom:4px;}
.step-list p{color:var(--muted);font-size:14.5px;margin:0;}

/* 时间线 */
.timeline{
  max-width:800px;
  margin:0 auto;
  position:relative;
}
.tl-item{
  position:relative;
  padding:0 0 40px 84px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;left:25px;top:52px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(107,70,229,.6),rgba(107,70,229,.08));
}
.tl-item:last-child::before{display:none;}
.tl-num{
  position:absolute;left:0;top:0;
  width:52px;height:52px;border-radius:999px;
  background:var(--grad-violet);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;
  box-shadow:var(--s2);
}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 26px;
  box-shadow:var(--s1);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.tl-card:hover{box-shadow:var(--s2);transform:translateY(-3px);}
.tl-card h3{font-size:18px;margin-bottom:8px;}
.tl-card p{color:var(--muted);font-size:14.8px;}

/* 专属内容卡组 */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.content-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--card);
  border-radius:var(--r-md);
  box-shadow:var(--s1);
  border:1px solid var(--line);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.cc-media{position:relative;background:#EDE8FF;}
.cc-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.lock-pill{
  position:absolute;right:12px;top:12px;
  height:28px;padding:0 12px;border-radius:999px;
  background:rgba(21,14,46,.78);color:#fff;
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;
}
.cc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.cc-tag{
  align-self:flex-start;
  height:26px;padding:0 12px;border-radius:999px;
  background:#E8FBF9;color:#0E8C81;
  font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;
  margin-bottom:12px;
}
.cc-body h3{
  font-size:17px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.content-card:hover .cc-body h3{color:var(--violet);}
.cc-body p{
  color:var(--muted);font-size:14px;margin:10px 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cc-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
}

/* FAQ */
.faq-wrap{
  max-width:880px;margin:0 auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:16px 32px;
  box-shadow:var(--s1);
}
.faq-acc .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.faq-acc .accordion-item:last-child{border-bottom:0;}
.faq-acc .accordion-button{
  position:relative;
  background:transparent;
  box-shadow:none;
  border-radius:0;
  padding:22px 46px 22px 0;
  font-size:17px;font-weight:700;color:var(--ink);
  line-height:1.55;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--violet);background:transparent;}
.faq-acc .accordion-button:focus{box-shadow:none;}
.faq-acc .accordion-button::after{display:none;}
.acc-icon{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:999px;
  background:#F1EEFF;color:var(--violet);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed) .acc-icon{
  transform:translateY(-50%) rotate(45deg);
  background:var(--grad-violet);color:#fff;
}
.faq-acc .accordion-body{
  padding:0 46px 24px 0;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}

/* CTA 深空条 */
.cta-band{
  position:relative;
  background:var(--grad-deep);
  border-radius:var(--r-lg);
  padding:56px 56px;
  color:#fff;
  overflow:hidden;
  box-shadow:var(--s3);
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 12% 22%,rgba(255,255,255,.5) 0 1.4px,transparent 1.6px),
    radial-gradient(circle at 78% 68%,rgba(255,255,255,.35) 0 1.2px,transparent 1.4px),
    radial-gradient(circle at 46% 84%,rgba(255,255,255,.3) 0 1px,transparent 1.2px);
  background-size:180px 180px,240px 240px,200px 200px;
  opacity:.6;
  pointer-events:none;
}
.cta-band h2{
  color:#fff;font-size:clamp(23px,2.7vw,31px);line-height:1.3;margin-bottom:14px;position:relative;
}
.cta-band p{color:rgba(255,255,255,.86);font-size:15.5px;position:relative;}
.cta-steps{position:relative;display:flex;flex-direction:column;gap:16px;margin-bottom:26px;}
.cta-steps li{display:flex;gap:14px;align-items:flex-start;}
.cta-steps .n{
  flex:0 0 auto;width:32px;height:32px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.36);
  color:#fff;font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.cta-steps span{color:rgba(255,255,255,.9);font-size:14.5px;line-height:1.6;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:var(--grad-deep);
  color:#fff;
  padding:72px 0 32px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 18% 28%,rgba(255,255,255,.45) 0 1.3px,transparent 1.5px),
    radial-gradient(circle at 66% 62%,rgba(255,255,255,.3) 0 1.1px,transparent 1.3px);
  background-size:200px 200px,260px 260px;
  opacity:.5;pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
}
.fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.fb-logo .mark{
  width:38px;height:38px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);font-size:15px;
}
.fb-logo strong{font-size:17px;font-weight:800;color:#fff;}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;max-width:340px;}
.footer-col h3{
  color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{
  color:rgba(255,255,255,.72);font-size:14px;
  transition:color .2s var(--ease);
}
.footer-col a:hover{
  color:var(--gold);
  text-decoration:underline;
  text-decoration-thickness:2px;
  text-underline-offset:4px;
}
.footer-note{
  position:relative;
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:rgba(255,255,255,.62);font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .level-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .split{gap:40px;}
}

@media (max-width:991.98px){
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .search{display:none;}
  .topbar-actions .link-help{display:none;}
  .hamburger{display:inline-flex;}
  .topbar-inner{height:60px;gap:12px;}
  .brand-text em{display:none;}
  .brand-mark{width:36px;height:36px;font-size:15px;}
  .hero-panel{padding:40px 32px 36px;}
  .faq-wrap{padding:8px 22px;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;gap:28px;}
  .split{grid-template-columns:1fr;}
  .split-media{order:-1;}
}

@media (max-width:767.98px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:28px;}
  .level-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .hero-panel{padding:32px 22px 30px;border-radius:var(--r-md);}
  .badge-row{gap:10px;margin:22px 0 24px;}
  .hero-actions .btn{width:100%;}
  .btn-sm{height:44px;}
  .tl-item{padding-left:64px;padding-bottom:28px;}
  .tl-num{width:42px;height:42px;font-size:15px;}
  .tl-item::before{left:20px;top:44px;}
  .faq-acc .accordion-button{font-size:15.5px;padding:18px 42px 18px 0;}
  .faq-acc .accordion-body{padding:0 0 20px;font-size:14.5px;}
  .site-footer{padding:56px 0 28px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:36px 22px;border-radius:var(--r-md);}
  .footer-note{flex-direction:column;gap:8px;}
}

@media (max-width:575.98px){
  .hero-panel h1{font-size:24px;}
  .badge{font-size:12px;padding:0 12px;}
  .level-card{padding:26px 20px 22px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:.001ms !important;
    animation-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category1 */
:root{
  --space-1:#150E2E;
  --space-2:#2A1A5E;
  --space-3:#4B2A8C;
  --primary:#6B46E5;
  --primary-light:#9B6BFF;
  --gold:#F2B04A;
  --cyan:#33D6C8;
  --page-bg:#F6F4FF;
  --surface:#FFFFFF;
  --line:#E7E2FA;
  --text:#1C1730;
  --text-muted:#6B6480;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:16px;
  --radius-input:12px;
  --radius-pill:999px;
  --s1:0 2px 8px rgba(28,23,48,.06);
  --s2:0 10px 28px rgba(107,70,229,.12);
  --s3:0 24px 60px rgba(21,14,46,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:124px;
  --font-ui:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --bs-primary:#6B46E5;
  --bs-primary-rgb:107,70,229;
  --bs-body-font-family:var(--font-ui);
  --bs-border-radius:12px;
  --bs-body-color:#1C1730;
  --bs-body-bg:#F6F4FF;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--header-h);
  font-family:var(--font-ui);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--page-bg);
  letter-spacing:.01em;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);}
a:hover{color:var(--primary-light);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--text);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(107,70,229,.35);outline-offset:2px;border-radius:8px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--s1);}
.header-top{height:72px;display:flex;align-items:center;}
.header-top-inner{display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--primary),var(--primary-light));
  color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:var(--s2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-muted);letter-spacing:.06em;}
.header-search{
  flex:1;
  max-width:420px;
  height:44px;
  display:flex;align-items:center;gap:10px;
  padding:0 18px;
  background:#F1EEFF;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.header-search:focus-within{background:#fff;border-color:rgba(107,70,229,.45);}
.header-search i{color:var(--text-muted);font-size:14px;}
.header-search input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.header-search input::placeholder{color:#9C95B3;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.link-help{font-size:15px;color:var(--text-muted);padding:8px 4px;}
.link-help:hover{color:var(--primary);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  font-size:15px;font-weight:600;
  border-radius:var(--radius-pill);
  border:1.5px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--primary-light));
  color:#fff;box-shadow:var(--s2);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(107,70,229,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;border-color:rgba(107,70,229,.55);color:var(--primary);}
.btn-outline:hover{background:#F1EEFF;color:var(--primary);}
.btn-ghost{background:#F1EEFF;color:var(--primary);}
.btn-ghost:hover{background:#E7E2FA;color:var(--primary);}
.btn-lg{height:50px;padding:0 28px;font-size:16px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  cursor:pointer;
}
/* 频道 Tabs */
.nav-tabs{
  height:52px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:#fff;
  position:relative;
}
.tabs-scroll{
  height:52px;
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(90deg,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%);
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab{
  scroll-snap-align:start;
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:34px;padding:0 18px;
  font-size:14px;font-weight:600;
  border-radius:var(--radius-pill);
  background:#F1EEFF;color:var(--text-muted);
  transition:background-color .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.tab:hover{background:#E7E2FA;color:var(--primary);}
.tab.is-active{
  background:linear-gradient(120deg,var(--primary),var(--primary-light));
  color:#fff;box-shadow:0 6px 16px rgba(107,70,229,.24);
}
.tab.is-active:hover{color:#fff;}
/* 移动抽屉 */
.offcanvas.mobile-panel{background:#F6F4FF;border-radius:20px 0 0 20px;}
.mobile-panel .offcanvas-header{border-bottom:1px solid var(--line);}
.mobile-panel .offcanvas-title{font-weight:800;font-size:17px;}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;margin-bottom:8px;
  background:#fff;border-radius:16px;box-shadow:var(--s1);
  font-size:15px;font-weight:600;color:var(--text);
}
.mobile-links a:hover{color:var(--primary);}
.mobile-panel .panel-cta{display:grid;gap:10px;margin-top:16px;}
.mobile-panel .panel-cta .btn{width:100%;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;
  border-radius:var(--radius-pill);
  background:#F1EEFF;color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:16px;
}
.eyebrow i{font-size:12px;color:var(--cyan);}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{color:var(--text-muted);font-size:16px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;
  border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;
  background:#F1EEFF;color:var(--primary);
}
.badge-pill.gold{border:1px solid var(--gold);background:rgba(242,176,74,.1);color:#8A5B0E;}
.badge-pill.dark{border:1px solid rgba(255,255,255,.35);background:transparent;color:rgba(255,255,255,.9);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  min-height:240px;
  display:flex;align-items:center;
  background:linear-gradient(140deg,var(--space-1),var(--space-2) 55%,var(--space-3));
  background-image:
    radial-gradient(circle at 18% 22%,rgba(255,255,255,.16) 0 1px,transparent 1.5px),
    radial-gradient(circle at 72% 68%,rgba(255,255,255,.12) 0 1px,transparent 1.5px),
    linear-gradient(140deg,var(--space-1),var(--space-2) 55%,var(--space-3));
  background-size:90px 90px,120px 120px,cover;
  color:#fff;
  overflow:hidden;
  padding:56px 0;
}
.cat-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
  opacity:.18;
  mix-blend-mode:luminosity;
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero h1{
  font-size:clamp(26px,3vw,38px);
  color:#fff;margin-bottom:14px;
  max-width:820px;
}
.cat-hero p{
  color:rgba(255,255,255,.88);
  font-size:16px;
  max-width:720px;
}
.cat-hero .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:var(--gold);}
.crumb .sep{opacity:.55;}
.crumb .current{color:rgba(255,255,255,.55);}

/* ============ 图文分节 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.split-figure{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--s2);
  background:#F1EEFF;
  aspect-ratio:16/11;
}
.split-figure img{width:100%;height:100%;object-fit:cover;}
.prose p{color:var(--text-muted);font-size:16px;margin-bottom:16px;}
.prose p:last-child{margin-bottom:0;}
.check-list{margin-top:24px;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:14px 18px;
  box-shadow:var(--s1);
  font-size:15px;
}
.check-list li i{color:var(--cyan);margin-top:4px;}
.check-list li strong{font-weight:700;}

/* ============ 步骤 ============ */
.steps{display:grid;gap:16px;counter-reset:step;}
.step{
  display:grid;grid-template-columns:52px 1fr;
  gap:20px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px 26px;
  box-shadow:var(--s1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.step-idx{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-light));
  color:#fff;font-size:16px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;margin-bottom:8px;}
.step p{color:var(--text-muted);font-size:15px;}
.step .hint{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:10px;font-size:13px;color:var(--primary);
  background:#F1EEFF;border-radius:var(--radius-pill);
  padding:5px 12px;
}
.step .hint i{color:var(--cyan);}

/* ============ 状态说明 ============ */
.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.status-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:26px;
  box-shadow:var(--s1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.status-card:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:rgba(107,70,229,.3);}
.status-card .dot{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--text-muted);
  margin-bottom:14px;
}
.status-card .dot::before{
  content:"";width:9px;height:9px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(51,214,200,.18);
}
.status-card.warn .dot::before{background:var(--gold);box-shadow:0 0 0 4px rgba(242,176,74,.18);}
.status-card.gray .dot::before{background:#B7B0CC;box-shadow:0 0 0 4px rgba(183,176,204,.18);}
.status-card h3{font-size:19px;margin-bottom:10px;}
.status-card p{color:var(--text-muted);font-size:15px;}
.status-card ul{margin-top:14px;display:grid;gap:8px;}
.status-card ul li{
  font-size:14px;color:var(--text-muted);
  padding-left:18px;position:relative;
}
.status-card ul li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;background:var(--primary-light);
}

/* ============ 权限对照表 ============ */
.compare-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--s1);
  overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
table.compare{
  width:100%;border-collapse:collapse;min-width:640px;
}
table.compare th,table.compare td{
  padding:18px 24px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--line);
}
table.compare thead th{
  position:sticky;top:0;z-index:2;
  background:#F1EEFF;
  font-size:14px;font-weight:800;color:var(--text);
}
table.compare tbody th{
  font-weight:600;color:var(--text);background:#fff;
}
table.compare tbody tr:hover td,table.compare tbody tr:hover th{background:#FAF8FF;}
table.compare td{color:var(--text-muted);}
table.compare .yes{color:var(--primary);font-weight:700;}
table.compare .no{color:#B7B0CC;font-weight:700;}
table.compare tr:last-child td,table.compare tr:last-child th{border-bottom:0;}
.compare-cards{display:none;}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;
  background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);
  cursor:pointer;
  min-height:48px;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q .faq-icon{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;
  background:#F1EEFF;color:var(--primary);font-size:14px;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.faq-q[aria-expanded="true"]{color:var(--primary);}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:rgba(107,70,229,.16);}
.faq-a{padding:0 4px 24px;color:var(--text-muted);font-size:15.5px;max-width:860px;}
.faq-a p+p{margin-top:10px;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border-radius:var(--radius-lg);
  padding:48px;
  background:linear-gradient(140deg,var(--space-1),var(--space-2) 55%,var(--space-3));
  background-image:
    radial-gradient(circle at 12% 30%,rgba(255,255,255,.16) 0 1px,transparent 1.5px),
    radial-gradient(circle at 80% 70%,rgba(255,255,255,.12) 0 1px,transparent 1.5px),
    linear-gradient(140deg,var(--space-1),var(--space-2) 55%,var(--space-3));
  background-size:80px 80px,110px 110px,cover;
  color:#fff;
  display:grid;grid-template-columns:1.2fr auto;
  gap:32px;align-items:center;
  box-shadow:var(--s3);
  overflow:hidden;
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.85);font-size:15.5px;max-width:620px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-on-dark{background:#fff;color:var(--primary);}
.btn-on-dark:hover{color:var(--primary);background:#F1EEFF;}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:linear-gradient(140deg,var(--space-1),var(--space-2) 60%,#3A2172);
  color:#fff;
  padding:72px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.fb-logo .mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(140deg,var(--primary),var(--primary-light));
  display:grid;place-items:center;color:#fff;font-size:15px;
}
.fb-logo strong{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14.5px;max-width:340px;}
.footer-col h3{font-size:16px;color:#fff;margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a,.footer-col span{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col a:hover{color:var(--gold);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.footer-note{
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:rgba(255,255,255,.6);font-size:13.5px;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .split{gap:40px;}
  .status-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:64px 0;}
}
@media (max-width:991.98px){
  :root{--header-h:108px;}
  .header-top{height:60px;}
  .header-search{display:none;}
  .link-help,.header-actions .btn{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .brand-text em{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split-figure{aspect-ratio:16/10;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:24px;}
  .cat-hero{min-height:0;padding:48px 0;}
  .status-grid{grid-template-columns:1fr;}
  .compare-wrap{background:transparent;border:0;box-shadow:none;overflow:visible;}
  .compare-scroll{display:none;}
  .compare-cards{
    display:flex;gap:14px;overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding-bottom:8px;
    scrollbar-width:none;
  }
  .compare-cards::-webkit-scrollbar{display:none;}
  .cmp-card{
    flex:0 0 78%;
    scroll-snap-align:center;
    background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-md);
    padding:20px;box-shadow:var(--s1);
  }
  .cmp-card h3{font-size:17px;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
  .cmp-card ul{display:grid;gap:10px;}
  .cmp-card li{
    display:flex;justify-content:space-between;gap:12px;
    font-size:14px;color:var(--text-muted);
    padding-bottom:8px;border-bottom:1px dashed var(--line);
  }
  .cmp-card li:last-child{border-bottom:0;padding-bottom:0;}
  .cmp-card li span:last-child{font-weight:700;color:var(--text);}
  .step{grid-template-columns:40px 1fr;padding:20px;gap:14px;}
  .step-idx{width:38px;height:38px;font-size:15px;}
  .cta-band{padding:28px;border-radius:var(--radius-md);}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-note{flex-direction:column;}
  .site-footer{margin-top:48px;padding:56px 0 24px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}