/* roulang page: index */
:root{
  --bg-dark:#120A2A;
  --bg-dark-2:#1C1240;
  --primary:#6A3DF0;
  --primary-hover:#5A2FE0;
  --primary-active:#4B22C8;
  --primary-light:#7C5CFF;
  --accent:#00E0B5;
  --accent-hover:#00C79F;
  --gold:#FFC24B;
  --page:#F7F5FF;
  --card:#FFFFFF;
  --line:#E8E4F7;
  --text:#191233;
  --muted:#5B5478;
  --placeholder:#9A94B8;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow-sm:0 1px 2px rgba(25,18,51,.04),0 8px 24px rgba(58,32,133,.06);
  --shadow-hover:0 12px 32px rgba(58,32,133,.12);
  --ring:0 0 0 4px rgba(0,224,181,.25);
  --bs-primary:#6A3DF0;
  --bs-primary-rgb:106,61,240;
  --bs-body-color:var(--text);
  --bs-body-bg:var(--page);
  --bs-link-color:var(--primary);
  --bs-link-hover-color:var(--primary-hover);
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;text-underline-offset:3px;transition:color .18s ease;}
a:hover{color:var(--primary-hover);}
a:visited{color:var(--primary);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(26px,4vw,40px);line-height:1.25;font-weight:800;}
h2{font-size:clamp(22px,3vw,30px);line-height:1.3;}
h3{font-size:19px;line-height:1.4;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:var(--ring);border-radius:6px;}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center;}
.section-head .eyebrow{
  display:inline-block;font-size:12px;letter-spacing:2px;font-weight:700;
  color:var(--primary);background:rgba(106,61,240,.08);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:15.5px;}
.eyebrow-accent{color:var(--accent-hover);background:rgba(0,224,181,.12);}

/* ===== 按钮 ===== */
.btn-solid,.btn-accent,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  text-decoration:none;
}
.btn-solid{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(106,61,240,.28);}
.btn-solid:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-solid:active{background:var(--primary-active);transform:translateY(0);}
.btn-accent{background:var(--accent);color:#052B24;box-shadow:0 6px 18px rgba(0,224,181,.28);}
.btn-accent:hover{background:var(--accent-hover);color:#052B24;transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,224,181,.32);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.75);transform:translateY(-1px);}
.btn-line{background:#fff;color:var(--primary);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-line:hover{color:var(--primary-hover);border-color:var(--primary-light);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-pill{border-radius:999px;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{gap:10px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(58,32,133,.10);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-icon{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
  box-shadow:0 6px 16px rgba(106,61,240,.30);
}
.brand-icon svg{width:20px;height:20px;}
.brand-name{display:flex;flex-direction:column;line-height:1.1;}
.brand-name b{font-size:17px;font-weight:800;letter-spacing:.3px;}
.brand-name span{font-size:11px;color:var(--muted);letter-spacing:1.6px;font-weight:500;}
.nav-channels{display:flex;align-items:center;gap:6px;margin-left:14px;}
.nav-channels a{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:#3A3357;transition:background-color .18s ease,color .18s ease;
}
.nav-channels a:hover{background:rgba(106,61,240,.07);color:var(--primary);}
.nav-channels a.active{background:rgba(106,61,240,.11);color:var(--primary);font-weight:700;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  position:relative;display:flex;align-items:center;width:240px;height:42px;
  background:#F4F1FE;border:1px solid transparent;border-radius:999px;
  transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:var(--ring);}
.nav-search svg{width:17px;height:17px;margin-left:14px;flex-shrink:0;stroke:var(--muted);}
.nav-search input{
  flex:1;height:100%;border:0;background:transparent;outline:none;
  padding:0 16px 0 10px;font-size:14px;color:var(--text);font-family:inherit;
}
.nav-search input::placeholder{color:var(--placeholder);}
.nav-login{font-size:15px;font-weight:600;color:#3A3357;padding:0 6px;}
.nav-login:hover{color:var(--primary);}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--text);position:relative;}
.nav-burger span::before,.nav-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);
}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}

/* 移动抽屉 */
.drawer{background:var(--bg-dark);color:#fff;border-right:0;width:300px;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.12);}
.drawer-head .brand-name b{color:#fff;}
.drawer-head .brand-name span{color:#B9B3D6;}
.drawer-close{background:transparent;border:0;color:#B9B3D6;font-size:22px;line-height:1;cursor:pointer;padding:6px 10px;border-radius:10px;}
.drawer-close:hover{color:#fff;background:rgba(255,255,255,.10);}
.drawer-body{padding:18px 20px 32px;}
.drawer-body .d-search{
  display:flex;align-items:center;height:44px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);margin-bottom:18px;
}
.drawer-body .d-search input{flex:1;background:transparent;border:0;outline:none;color:#fff;padding:0 16px;font-size:14px;font-family:inherit;}
.drawer-body .d-search input::placeholder{color:#9C95BF;}
.drawer-nav a{
  display:block;padding:13px 16px;border-radius:12px;color:#D8D3EE;
  font-size:16px;font-weight:500;margin-bottom:6px;
}
.drawer-nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.drawer-nav a.active{background:rgba(106,61,240,.30);color:#fff;font-weight:700;}
.drawer-cta{margin-top:20px;display:flex;flex-direction:column;gap:10px;}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#170C3A 0%,#2E1A6B 100%);
  padding:76px 0 84px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.55;
}
.hero .shell{position:relative;z-index:2;}
.hero h1{color:#fff;margin-bottom:18px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--accent);background:rgba(0,224,181,.12);
  border:1px solid rgba(0,224,181,.32);padding:7px 15px;border-radius:999px;margin-bottom:20px;
}
.hero-sub{color:#C9C2E8;font-size:17px;line-height:1.85;max-width:520px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-badges li{
  font-size:13.5px;color:#D6D0F0;padding:8px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:20px;object-fit:cover;aspect-ratio:16/11;
  box-shadow:0 24px 60px rgba(8,3,26,.55);
  filter:saturate(1.05) hue-rotate(-3deg);
}
.hero-orbit{position:absolute;right:-8%;bottom:-12%;width:70%;max-width:420px;opacity:.9;pointer-events:none;}

/* ===== 权益对比 ===== */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:stretch;}
.plan-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.plan-card.featured{border-color:var(--accent);box-shadow:0 14px 34px rgba(0,224,181,.20);transform:translateY(-4px);}
.plan-card.featured:hover{transform:translateY(-8px);}
.plan-flag{
  position:absolute;top:-13px;left:24px;font-size:12px;font-weight:700;letter-spacing:1px;
  color:#052B24;background:var(--accent);padding:5px 12px;border-radius:999px;
}
.plan-card h3{margin-bottom:8px;}
.plan-price{
  display:flex;align-items:baseline;gap:6px;padding-bottom:16px;margin-bottom:16px;
  border-bottom:1px dashed var(--line);
}
.plan-price strong{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:.5px;}
.plan-price span{font-size:13px;color:var(--muted);}
.plan-list{display:flex;flex-direction:column;gap:10px;flex:1;margin-bottom:22px;}
.plan-list li{display:flex;gap:9px;font-size:14.5px;color:#3E3860;line-height:1.6;}
.plan-list li::before{
  content:"✓";flex-shrink:0;width:18px;height:18px;margin-top:4px;
  display:grid;place-items:center;border-radius:50%;
  background:rgba(106,61,240,.10);color:var(--primary);font-size:11px;font-weight:700;
}
.plan-card .btn-line,.plan-card .btn-solid{width:100%;}

/* ===== 等级阶梯 ===== */
.level-wrap{
  display:grid;grid-template-columns:repeat(2,1fr);gap:26px 40px;
  position:relative;
}
.level-item{
  position:relative;display:flex;gap:18px;padding:22px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.level-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.level-dot{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  background:var(--primary);color:#fff;display:grid;place-items:center;
  font-size:13px;font-weight:800;
}
.level-item.current .level-dot{background:var(--accent);color:#052B24;}
.level-body h3{margin-bottom:6px;font-size:17px;}
.level-body p{font-size:14.5px;color:var(--muted);margin-bottom:12px;}
.pills{display:flex;flex-wrap:wrap;gap:8px;}
.pill{
  font-size:12.5px;font-weight:600;color:var(--primary);
  background:rgba(106,61,240,.08);border:1px solid rgba(106,61,240,.16);
  padding:5px 12px;border-radius:999px;
}
.level-item.current .pill{color:var(--accent-hover);background:rgba(0,224,181,.12);border-color:rgba(0,224,181,.30);}

/* ===== 内容预览 ===== */
.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.c-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.c-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EDE9FB;}
.c-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;filter:saturate(.96) hue-rotate(-4deg);}
.c-card:hover .c-media img{transform:scale(1.04);}
.badge-cat{
  position:absolute;left:12px;top:12px;font-size:12px;font-weight:700;
  color:#fff;background:rgba(18,10,42,.78);padding:5px 12px;border-radius:999px;
  backdrop-filter:blur(4px);
}
.c-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.c-body h3{
  font-size:17.5px;margin-bottom:10px;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.c-card:hover .c-body h3{color:var(--primary);}
.c-body p{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;
}
.c-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--placeholder);}
.c-meta .arrow{color:var(--primary);font-weight:700;transition:transform .2s ease;}
.c-card:hover .c-meta .arrow{transform:translateX(4px);}

/* ===== 最新信息 ===== */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;}
.news-head h2{margin-bottom:8px;}
.news-head p{color:var(--muted);font-size:15px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#DCD5F6;}
.news-link{display:block;padding:22px;color:inherit;}
.news-link:hover{color:inherit;}
.news-link .badge-line{
  display:inline-block;font-size:12px;font-weight:700;color:var(--primary);
  background:rgba(106,61,240,.08);padding:4px 11px;border-radius:999px;margin-bottom:12px;
}
.news-title{
  font-size:17px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.news-card:hover .news-title{color:var(--primary);}
.news-excerpt{
  font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--placeholder);}
.news-meta .arrow{color:var(--primary);font-weight:700;transition:transform .2s ease;}
.news-card:hover .news-meta .arrow{transform:translateX(4px);}
.empty-state{
  border:1px dashed #CFC6EE;border-radius:var(--radius-card);background:#FBFAFF;
  padding:44px 24px;text-align:center;
}
.empty-state svg{width:34px;height:34px;stroke:var(--primary-light);margin:0 auto 14px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px;}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;}
.faq-accordion .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;
}
.faq-accordion .accordion-header{margin:0;}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text);font-size:17px;font-weight:600;
  padding:20px 34px 20px 0;line-height:1.6;box-shadow:none;border-radius:0;
  position:relative;
}
.faq-accordion .accordion-button::after{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  background-image:none;content:"";width:11px;height:11px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  rotate:45deg;transition:rotate .2s ease,border-color .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none;}
.faq-accordion .accordion-button:not(.collapsed)::after{rotate:-135deg;border-color:var(--primary);}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.faq-accordion .accordion-body{padding:0 34px 22px 0;font-size:15px;color:var(--muted);line-height:1.85;}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:3px solid var(--accent);padding-left:16px;
}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;color:#fff;text-align:center;
  background:linear-gradient(135deg,#170C3A 0%,#2E1A6B 100%);
  padding:76px 0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cta-band .shell{position:relative;z-index:2;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:#C9C2E8;font-size:16px;max-width:620px;margin:0 auto 28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-note{margin-top:22px;font-size:13px;color:#9A93BE;}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-dark);color:#B9B3D6;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-name b{color:#fff;}
.footer-brand .brand-name span{color:#8F88B8;}
.footer-brand p{font-size:14.5px;line-height:1.85;margin:16px 0 0;max-width:320px;color:#9C95BF;}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--gold);letter-spacing:1px;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:15px;color:#B9B3D6;}
.footer-col a:hover{color:var(--accent);}
.footer-qr{
  display:flex;align-items:center;gap:14px;padding:14px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);
  margin-bottom:14px;
}
.footer-qr svg{width:44px;height:44px;stroke:var(--accent);flex-shrink:0;}
.footer-qr span{font-size:13.5px;color:#9C95BF;line-height:1.6;}
.footer-contact{font-size:14.5px;color:#9C95BF;line-height:1.9;}
.footer-contact a{color:#B9B3D6;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:#8F88B8;
}
.footer-bottom a{color:#8F88B8;}
.footer-bottom a:hover{color:var(--accent);}

/* ===== 响应式 ===== */
@media (min-width:1440px){.shell{max-width:1280px;}}
@media (max-width:1199.98px){
  .nav-search{width:190px;}
  .nav-channels a{padding:0 12px;font-size:14.5px;}
  .plans{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .nav-channels,.nav-search,.nav-login{display:none;}
  .nav-burger{display:flex;}
  .section{padding:64px 0;}
  .hero{padding:56px 0 64px;}
  .hero-visual{margin-top:12px;}
  .hero-orbit{display:none;}
  .content-grid,.news-grid{grid-template-columns:repeat(2,1fr);}
  .level-wrap{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767.98px){
  .shell{padding:0 18px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:30px;}
  .hero{padding:44px 0 52px;}
  .hero-cta .btn-solid,.hero-cta .btn-ghost{flex:1 1 100%;}
  .plans{grid-template-columns:1fr;gap:26px;}
  .plan-card.featured{transform:none;}
  .content-grid,.news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-actions .btn-solid,.cta-actions .btn-ghost{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .brand-name span{display:none;}
  .hero-badges{gap:8px;}
  .hero-badges li{font-size:12.5px;padding:7px 13px;}
  .level-item{padding:18px;}
}

/* roulang page: article */
:root{
  --deep:#120A2A;
  --deep-2:#1C1240;
  --primary:#6A3DF0;
  --primary-hover:#5A2FE0;
  --primary-active:#4B22C8;
  --primary-light:#7C5CFF;
  --mint:#00E0B5;
  --mint-hover:#00C79F;
  --gold:#FFC24B;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --line:#E8E4F7;
  --text:#191233;
  --text-2:#5B5478;
  --muted:#9A94B8;
  --danger:#E5484D;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(25,18,51,.04), 0 8px 24px rgba(58,32,133,.06);
  --shadow-lg:0 12px 32px rgba(58,32,133,.12);
  --shell:1200px;
  --bs-primary:#6A3DF0;
  --bs-primary-rgb:106,61,240;
  --bs-link-color:#6A3DF0;
  --bs-link-hover-color:#5A2FE0;
  --bs-body-color:#191233;
  --bs-border-color:#E8E4F7;
  --bs-border-radius:12px;
  --bs-font-sans-serif:'PingFang SC','HarmonyOS Sans SC','Source Han Sans SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
}
@media (min-width:1440px){:root{--shell:1280px;}}

*,*::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','Source Han Sans SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
a:hover{color:var(--primary-hover);}
a:visited{color:var(--primary);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;}
p{margin:0;}
ul,ol{margin:0;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;box-shadow:0 0 0 4px rgba(0,224,181,.18);border-radius:6px;}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;text-decoration:none;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
.btn-primary:active{background:var(--primary-active);transform:translateY(0);}
.btn-mint{background:var(--mint);color:#04231C;font-weight:700;}
.btn-mint:hover{background:var(--mint-hover);color:#04231C;transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,224,181,.28);}
.btn-mint:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--primary);}
.btn-ghost:hover{background:#FBF9FF;border-color:var(--primary-light);color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-ghost:active{transform:translateY(0);}
.btn-text{display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text-2);text-decoration:none;transition:.16s;}
.btn-text:hover{color:var(--primary);background:#F1EDFF;}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(58,32,133,.08);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{width:26px;height:26px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand-text i{font-style:normal;font-size:10px;letter-spacing:1.8px;color:var(--muted);margin-top:2px;}
.nav-channels{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;}
.nav-channels a{
  padding:8px 14px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--text-2);text-decoration:none;transition:.18s ease;white-space:nowrap;
}
.nav-channels a:hover{background:#F1EDFF;color:var(--primary);}
.nav-channels a.active{background:#EFE9FF;color:var(--primary);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search svg{position:absolute;left:14px;width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:1.9;stroke-linecap:round;}
.nav-search input{
  width:240px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#FBFAFF;padding:0 16px 0 38px;font-size:14px;color:var(--text);
  outline:none;transition:.18s ease;
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(106,61,240,.12);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.2s;}
.mobile-nav{display:none;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:14px 0;font-size:13.5px;color:var(--text-2);}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--muted);}
.crumbs a{color:var(--text-2);text-decoration:none;}
.crumbs a:hover{color:var(--primary);}
.crumbs [aria-current]{color:var(--muted);}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#170C3A 0%,#2E1A6B 100%);
  color:#fff;padding:56px 0 64px;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:28px 28px;opacity:.45;
}
.article-hero .shell{position:relative;z-index:2;}
.article-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(0,224,181,.14);border:1px solid rgba(0,224,181,.4);
  color:var(--mint);font-size:12px;font-weight:700;letter-spacing:.6px;margin-bottom:18px;
}
.article-title{
  color:#fff;font-size:clamp(26px,4vw,40px);line-height:1.25;font-weight:800;
  max-width:820px;letter-spacing:.2px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;font-size:14px;color:#C6BFE6;}
.article-meta .meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(198,191,230,.6);}
.article-meta time{color:#C6BFE6;}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(255,194,75,.16);border:1px solid rgba(255,194,75,.45);
  color:var(--gold);font-size:12px;font-weight:700;
}

/* ---------- 主体布局 ---------- */
.article-main{padding:56px 0 80px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start;}
.article-col{min-width:0;}

.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:40px 44px;
}
.article-content{font-size:16.5px;line-height:1.85;color:var(--text);}
.article-content>*:first-child{margin-top:0;}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;
  margin:38px 0 16px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--mint));
}
.article-content h3{font-size:19px;line-height:1.4;font-weight:600;margin:28px 0 12px;color:var(--deep);}
.article-content ul,.article-content ol{padding-left:1.4em;margin:0 0 1.2em;}
.article-content li{margin-bottom:.5em;}
.article-content blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--mint);
  background:#F5F2FF;border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:12px;margin:26px auto;max-width:100%;height:auto;}
.article-content figure{margin:26px 0;}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-content table{width:100%;border-collapse:collapse;font-size:15px;margin:20px 0;}
.article-content table th,.article-content table td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-content table th{background:#F7F5FF;font-weight:600;}
.article-content a{color:var(--primary);}
.article-content code{background:#F3F0FF;border-radius:6px;padding:2px 6px;font-size:14px;}

/* ---------- 标签行 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;}
.tag-label{font-size:13px;color:var(--muted);font-weight:600;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text-2);
  font-size:13.5px;font-weight:600;text-decoration:none;transition:.16s ease;
}
.tag:hover{background:#F1EDFF;border-color:var(--primary-light);color:var(--primary);}

/* ---------- 相关推荐 ---------- */
.related-block{margin-top:44px;}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;}
.block-head h2{font-size:22px;font-weight:700;}
.block-head p{font-size:14px;color:var(--text-2);margin-top:6px;}
.block-head .more{font-size:14px;font-weight:600;color:var(--primary);text-decoration:none;white-space:nowrap;}
.block-head .more:hover{text-decoration:underline;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.card-item{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;text-decoration:none;
  color:var(--text);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#DAD2F7;color:var(--text);}
.card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDE9FB;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;filter:saturate(1.02);}
.card-item:hover .card-thumb img{transform:scale(1.04);}
.card-badge{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;height:24px;
  padding:0 10px;border-radius:999px;background:rgba(18,10,42,.72);color:#fff;font-size:12px;font-weight:600;
  backdrop-filter:blur(4px);
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{
  font-size:16.5px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-item:hover .card-title{color:var(--primary);}
.card-desc{
  font-size:13.5px;line-height:1.7;color:var(--text-2);flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);}
.card-foot .arrow{color:var(--primary);font-weight:700;transition:transform .18s ease;}
.card-item:hover .card-foot .arrow{transform:translateX(3px);}

/* ---------- 底部操作 ---------- */
.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px;
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;}
.side-member{
  position:relative;overflow:hidden;border:none;color:#fff;
  background:linear-gradient(135deg,#1B1046 0%,#3A2196 100%);
}
.side-member::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:22px 22px;opacity:.4;
}
.side-member>*{position:relative;z-index:2;}
.side-member h3{color:#fff;font-size:17px;margin-bottom:10px;}
.side-member p{font-size:13.5px;line-height:1.75;color:#C6BFE6;margin-bottom:18px;}
.side-member .btn{width:100%;margin-bottom:10px;}
.side-member .hint{font-size:12px;color:rgba(198,191,230,.8);text-align:center;}
.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px;}
.side-list li{display:flex;gap:12px;align-items:flex-start;}
.side-list .idx{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:#F1EDFF;color:var(--primary);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}
.side-list a{font-size:14px;line-height:1.65;color:var(--text);text-decoration:none;display:block;}
.side-list a:hover{color:var(--primary);}
.side-list .meta{display:block;font-size:12px;color:var(--muted);margin-top:4px;}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed #D6CDF7;background:#FBFAFF;border-radius:var(--radius);
  padding:56px 32px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-icon{width:44px;height:44px;stroke:var(--primary-light);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.empty-title{font-size:22px;font-weight:700;color:var(--text);}
.empty-state p{font-size:14.5px;color:var(--text-2);max-width:420px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#B9B3D6;padding:64px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-name{display:block;}
.footer-brand .brand-name b{display:block;color:#fff;font-size:18px;font-weight:800;letter-spacing:.2px;}
.footer-brand .brand-name span{display:block;font-size:11px;letter-spacing:2px;color:rgba(185,179,214,.7);margin-top:4px;}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:#B9B3D6;}
.footer-col h4{font-size:14px;color:var(--mint);margin-bottom:16px;font-weight:700;letter-spacing:.5px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#B9B3D6;text-decoration:none;font-size:15px;transition:color .16s ease;}
.footer-col a:hover{color:var(--mint);}
.footer-qr{
  display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:12px;
}
.footer-qr svg{width:38px;height:38px;stroke:var(--mint);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;}
.footer-qr span{font-size:13px;line-height:1.6;color:#B9B3D6;}
.footer-contact{margin-top:16px;font-size:13.5px;line-height:1.9;color:#B9B3D6;}
.footer-contact a{color:var(--mint);text-decoration:none;}
.footer-contact a:hover{text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(185,179,214,.75);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-side{position:static;}
}
@media (max-width:991px){
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .header-actions .btn-text{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{gap:12px;justify-content:space-between;}
  .mobile-nav{display:block;max-height:0;overflow:hidden;background:#fff;border-top:1px solid var(--line);transition:max-height .28s ease;}
  .mobile-nav.open{max-height:460px;}
  .mobile-nav .shell{padding-top:12px;padding-bottom:18px;display:flex;flex-direction:column;gap:6px;}
  .mobile-nav a{padding:12px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text-2);text-decoration:none;}
  .mobile-nav a:hover{background:#F1EDFF;color:var(--primary);}
  .mobile-nav a.active{background:#EFE9FF;color:var(--primary);}
  .mobile-nav .btn{margin-top:8px;}
  .article-hero{padding:44px 0 48px;}
  .article-body{padding:32px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .shell{padding:0 18px;}
  .article-main{padding:36px 0 56px;}
  .article-body{padding:26px 20px;}
  .article-content{font-size:16px;}
  .related-grid{grid-template-columns:1fr;gap:16px;}
  .article-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .article-title{font-size:26px;}
  .side-card{padding:20px;}
}
@media (max-width:575px){
  .article-meta{gap:9px;font-size:13px;}
  .article-hero{padding:36px 0 40px;}
}

/* roulang page: category1 */
:root{
  --deep:#120A2A;
  --deep-2:#1C1240;
  --primary:#6A3DF0;
  --primary-hover:#5A2FE0;
  --primary-active:#4B22C8;
  --primary-light:#7C5CFF;
  --mint:#00E0B5;
  --mint-hover:#00C79F;
  --gold:#FFC24B;
  --page:#F7F5FF;
  --card:#FFFFFF;
  --line:#E8E4F7;
  --text:#191233;
  --text-2:#5B5478;
  --muted:#9A94B8;
  --danger:#E5484D;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(25,18,51,.04),0 8px 24px rgba(58,32,133,.06);
  --shadow-hover:0 12px 32px rgba(58,32,133,.12);
  --bs-primary:#6A3DF0;
  --bs-body-color:#191233;
  --bs-body-bg:#F7F5FF;
  --bs-border-color:#E8E4F7;
  --bs-link-color:#6A3DF0;
  --bs-link-hover-color:#5A2FE0;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-hover)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700}
p{margin:0}
button,input{font:inherit}
input{outline:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;box-shadow:0 0 0 4px rgba(0,224,181,.22);border-radius:6px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,3vw,30px);line-height:1.3;font-weight:700}
.section-head p{color:var(--text-2);font-size:15px;margin-top:8px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--primary);background:#EFE9FF;border-radius:999px;padding:6px 14px;margin-bottom:14px}

/* ------- header ------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(58,32,133,.08)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-icon{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--primary),#2E1A6B);display:grid;place-items:center;flex:none}
.brand-icon svg{width:19px;height:19px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.brand-name b{display:block;font-size:17px;font-weight:800;line-height:1.2;letter-spacing:.01em}
.brand-name span{display:block;font-size:10px;letter-spacing:.14em;color:var(--muted);font-weight:600}
.nav-channels{display:flex;align-items:center;gap:6px}
.nav-channels a{padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text-2);transition:background .2s ease,color .2s ease;min-height:38px;display:inline-flex;align-items:center}
.nav-channels a:hover{background:#F1EDFF;color:var(--primary)}
.nav-channels a.active{background:#EFE9FF;color:var(--primary);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.header-search{position:relative;width:240px}
.header-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.header-search input{width:100%;height:42px;border-radius:999px;border:1px solid var(--line);background:#FAF9FF;padding:0 16px 0 40px;font-size:14px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease}
.header-search input::placeholder{color:var(--muted)}
.header-search input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(106,61,240,.12);background:#fff}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--primary);background:#fff;border:1px solid var(--line);transition:all .2s ease}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-hover);transform:translateY(-1px)}
.btn-mint{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:999px;font-size:14px;font-weight:700;color:#062A22;background:var(--mint);border:1px solid var(--mint);transition:all .2s ease}
.btn-mint:hover{background:var(--mint-hover);border-color:var(--mint-hover);color:#04211B;transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,199,159,.28)}
.btn-mint:active{transform:translateY(0)}
.btn-primary-solid{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:700;color:#fff;background:var(--primary);border:1px solid var(--primary);transition:all .2s ease}
.btn-primary-solid:hover{background:var(--primary-hover);border-color:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(90,47,224,.28)}
.btn-outline-light{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;color:#fff;background:transparent;border:1px solid rgba(255,255,255,.55);transition:all .2s ease}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.offcanvas{background:#fff;border-right:1px solid var(--line)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .drawer-nav{display:grid;gap:6px;margin:18px 0 22px}
.offcanvas .drawer-nav a{padding:12px 16px;border-radius:12px;font-size:16px;font-weight:500;color:var(--text-2)}
.offcanvas .drawer-nav a.active{background:#EFE9FF;color:var(--primary);font-weight:700}
.drawer-search{position:relative;margin-bottom:18px}
.drawer-search input{width:100%;height:46px;border-radius:12px;border:1px solid var(--line);background:#FAF9FF;padding:0 16px;font-size:14px}
.drawer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(106,61,240,.12);background:#fff}

/* ------- banner ------- */
.page-banner{position:relative;color:#fff;padding:44px 0 104px;background-image:linear-gradient(180deg,rgba(18,10,42,.62),rgba(18,10,42,.9)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;background-repeat:no-repeat;border-radius:0 0 28px 28px;overflow:hidden}
.page-banner::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:26px 26px;opacity:.5;pointer-events:none}
.banner-inner{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72)}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:var(--mint)}
.crumb span{color:rgba(255,255,255,.42)}
.crumb em{font-style:normal;color:var(--mint)}
.banner-badge{display:inline-flex;align-items:center;gap:8px;margin-top:22px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#E7E1FF;font-size:12px;font-weight:600;letter-spacing:.06em}
.page-banner h1{color:#fff;font-size:clamp(26px,4vw,40px);line-height:1.25;font-weight:800;margin-top:16px;letter-spacing:.01em}
.banner-sub{margin-top:14px;max-width:720px;color:rgba(255,255,255,.82);font-size:15px;line-height:1.9}

/* ------- overview cards ------- */
.overview{position:relative;z-index:3;margin-top:-58px}
.overview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ov-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease}
.ov-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.ov-k{display:inline-block;font-size:12px;font-weight:700;color:var(--primary);background:#F1EDFF;border-radius:999px;padding:4px 12px}
.ov-v{margin-top:14px;font-size:16px;font-weight:700;color:var(--text);line-height:1.5}
.ov-d{margin-top:8px;font-size:13px;color:var(--text-2);line-height:1.75}

/* ------- news rows ------- */
.rows-list{display:grid;gap:20px}
.news-row{display:grid;grid-template-columns:284px 1fr;gap:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease}
.news-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-thumb{display:block;border-radius:var(--radius-sm);overflow:hidden;background:#EDE9FB;aspect-ratio:16/10}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;filter:saturate(1.02) contrast(1.02)}
.news-row:hover .news-thumb img{transform:scale(1.04)}
.news-body{display:flex;flex-direction:column;min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.badge-cat{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;color:var(--primary);background:#EFE9FF}
.news-meta time{font-size:13px;color:var(--muted)}
.news-title{margin-top:12px;font-size:19px;line-height:1.45;font-weight:700}
.news-title a{color:var(--text);display:inline-block}
.news-row:hover .news-title a{color:var(--primary)}
.news-text{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-more{margin-top:auto;padding-top:14px;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.news-row:hover .news-more{color:var(--primary-hover);gap:10px}

/* ------- points ------- */
.points-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow)}
.points{display:grid;grid-template-columns:1fr 1fr;gap:28px 36px;margin-top:8px}
.point{display:grid;grid-template-columns:52px 1fr;gap:16px}
.point-num{width:48px;height:48px;border-radius:14px;background:#F1EDFF;color:var(--primary);display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:.02em}
.point h3{font-size:17px;font-weight:700;line-height:1.5}
.point p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.8}
.point-line{height:1px;background:var(--line);margin:0 0 0 68px}

/* ------- faq ------- */
.faq-shell{max-width:860px;margin:0 auto}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-accordion .accordion-button{background:transparent;border:0;border-left:3px solid transparent;border-radius:0!important;box-shadow:none;padding:22px 8px 22px 14px;font-size:17px;font-weight:600;color:var(--text);line-height:1.6;transition:background .2s ease,color .2s ease,padding .2s ease}
.faq-accordion .accordion-button:not(.collapsed){color:var(--primary);background:rgba(0,224,181,.05);border-left-color:var(--mint);padding-left:20px}
.faq-accordion .accordion-button:focus{box-shadow:none}
.faq-accordion .accordion-button::after{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236A3DF0'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");transition:transform .2s ease}
.faq-accordion .accordion-button:not(.collapsed)::after{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2300C79F'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e")}
.faq-accordion .accordion-body{padding:0 20px 24px 20px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ------- cta strip ------- */
.cta-strip{position:relative;background-color:var(--deep);background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:22px 22px;border-radius:24px;overflow:hidden;margin:0 0 0}
.cta-strip::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#170C3A,#2E1A6B);opacity:.92}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:44px 40px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.6vw,26px);line-height:1.4;font-weight:700;max-width:620px}
.cta-inner p{margin-top:10px;color:rgba(255,255,255,.76);font-size:14px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-note{position:relative;z-index:2;padding:0 40px 34px;color:rgba(255,255,255,.55);font-size:12.5px}

/* ------- footer ------- */
.site-footer{background:var(--deep);color:#B9B3D6;padding:64px 0 28px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand .brand-name b{display:block;color:#fff;font-size:17px;font-weight:800;line-height:1.3}
.footer-brand .brand-name span{display:block;margin-top:4px;font-size:10px;letter-spacing:.14em;color:#7C6FB0;font-weight:600}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#B9B3D6;max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--gold);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#B9B3D6;font-size:15px}
.footer-col a:hover{color:var(--mint)}
.footer-qr{display:flex;align-items:center;gap:12px}
.footer-qr svg{width:46px;height:46px;flex:none;stroke:#7C6FB0;fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.footer-qr span{font-size:13px;line-height:1.7;color:#B9B3D6}
.footer-contact{margin-top:16px;font-size:13px;line-height:1.95;color:#9E97C4}
.footer-contact a{color:var(--mint)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8F88B8}

/* ------- responsive ------- */
@media (max-width:1199.98px){
  .header-search{width:200px}
}
@media (max-width:991.98px){
  .nav-channels,.header-search,.btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .overview-grid{grid-template-columns:repeat(2,1fr)}
  .news-row{grid-template-columns:220px 1fr;gap:20px}
  .points{grid-template-columns:1fr;gap:24px}
  .point-line{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  .shell{padding:0 18px}
  .section{padding:48px 0}
  .header-inner{height:62px;gap:12px}
  .brand-name b{font-size:15.5px}
  .page-banner{padding:32px 0 96px}
  .banner-sub{font-size:14px}
  .overview-grid{grid-template-columns:1fr;gap:16px}
  .overview{margin-top:-64px}
  .news-row{grid-template-columns:1fr;padding:16px}
  .news-thumb{aspect-ratio:16/9}
  .news-title{font-size:17.5px}
  .points-wrap{padding:24px 20px}
  .cta-inner{padding:32px 22px}
  .cta-note{padding:0 22px 26px}
  .cta-actions{width:100%}
  .cta-actions a{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px}
  .faq-accordion .accordion-button{font-size:16px;padding:18px 6px 18px 12px}
}
@media (max-width:520px){
  .brand-name span{display:none}
  .cta-actions a{width:100%}
  .ov-card{padding:18px}
}

/* roulang page: category2 */
:root{
  --ink-900:#120A2A;
  --ink-800:#1C1240;
  --brand:#6A3DF0;
  --brand-hover:#5A2FE0;
  --brand-active:#4B22C8;
  --brand-soft:#7C5CFF;
  --accent:#00E0B5;
  --accent-hover:#00C79F;
  --gold:#FFC24B;
  --page:#F7F5FF;
  --card:#FFFFFF;
  --line:#E8E4F7;
  --text:#191233;
  --text-2:#5B5478;
  --text-3:#9A94B8;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow-1:0 1px 2px rgba(25,18,51,.04), 0 8px 24px rgba(58,32,133,.06);
  --shadow-2:0 12px 32px rgba(58,32,133,.12);
  --shell:1200px;
  --bs-primary:#6A3DF0;
  --bs-primary-rgb:106,61,240;
  --bs-body-color:#191233;
  --bs-body-bg:#F7F5FF;
  --bs-border-color:#E8E4F7;
  --bs-link-color:#6A3DF0;
  --bs-link-hover-color:#5A2FE0;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
}
@media (min-width:1440px){ :root{ --shell:1280px; } }

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:var(--brand); text-decoration:none; text-underline-offset:3px; transition:color .18s ease; }
a:hover{ color:var(--brand-hover); }
a:visited{ color:var(--brand); }
button,input{ font-family:inherit; }
:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; box-shadow:0 0 0 4px rgba(0,224,181,.18); border-radius:6px; }

h1,h2,h3,h4{ margin:0; color:var(--text); font-weight:800; }
h1{ font-size:clamp(26px,4vw,40px); line-height:1.25; letter-spacing:-.4px; }
h2{ font-size:clamp(22px,3vw,30px); line-height:1.3; }
h3{ font-size:19px; line-height:1.4; font-weight:700; }
p{ margin:0; }

.shell{ width:100%; max-width:var(--shell); margin:0 auto; padding-left:24px; padding-right:24px; }
.section{ padding:80px 0; }
.section--tight{ padding:64px 0; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:36px; }
.section-head .lead{ margin-top:12px; color:var(--text-2); font-size:16px; max-width:640px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:12px; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color:var(--brand); background:#EFE9FF; border-radius:999px; padding:6px 14px; margin-bottom:16px;
}
.eyebrow::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--accent); }

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky; top:0; z-index:1030;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{ box-shadow:0 10px 30px rgba(58,32,133,.10); }
.header-inner{ display:flex; align-items:center; gap:18px; height:68px; }
.brand{ display:flex; align-items:center; gap:10px; flex-shrink:0; color:var(--text); }
.brand:hover{ color:var(--text); }
.brand-mark{
  width:34px; height:34px; border-radius:11px; flex-shrink:0;
  background:linear-gradient(135deg,#170C3A,#2E1A6B);
  display:grid; place-items:center;
}
.brand-mark svg{ width:20px; height:20px; stroke:var(--accent); }
.brand-text b{ display:block; font-size:17px; font-weight:800; line-height:1.15; letter-spacing:.2px; }
.brand-text span{ display:block; font-size:10px; letter-spacing:.16em; color:var(--text-3); }
.nav-channels{ display:flex; align-items:center; gap:4px; margin-left:6px; }
.nav-channels a{
  display:inline-block; padding:8px 14px; border-radius:999px;
  font-size:15px; font-weight:500; color:var(--text-2); white-space:nowrap;
  transition:background .18s ease, color .18s ease;
}
.nav-channels a:hover{ background:#F1ECFF; color:var(--brand); }
.nav-channels a.active{ background:#EFE9FF; color:var(--brand); font-weight:700; }
.header-actions{ margin-left:auto; display:flex; align-items:center; gap:10px; }
.nav-search{
  display:flex; align-items:center; gap:8px; width:240px; height:40px;
  padding:0 14px; border:1px solid var(--line); border-radius:999px; background:#fff;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.nav-search:focus-within{ border-color:var(--brand); box-shadow:0 0 0 4px rgba(106,61,240,.14); }
.nav-search svg{ width:16px; height:16px; stroke:var(--text-3); flex-shrink:0; }
.nav-search input{ border:0; outline:0; width:100%; font-size:14px; color:var(--text); background:transparent; }
.nav-search input::placeholder{ color:var(--text-3); }

.btn-ghost{
  display:inline-flex; align-items:center; justify-content:center;
  height:40px; padding:0 16px; border-radius:var(--radius-btn);
  font-size:15px; font-weight:600; color:var(--text-2);
  transition:background .18s ease, color .18s ease, transform .18s ease;
}
.btn-ghost:hover{ background:#F1ECFF; color:var(--brand); color:var(--brand); transform:translateY(-1px); }
.btn-accent{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:40px; padding:0 20px; border-radius:999px; border:0;
  background:var(--accent); color:#04241C; font-size:15px; font-weight:700;
  transition:background .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn-accent:hover{ background:var(--accent-hover); color:#04241C; transform:translateY(-1px); box-shadow:0 10px 24px rgba(0,199,159,.28); }
.btn-accent:active{ transform:translateY(0); }
.nav-toggle{
  display:none; width:42px; height:42px; border-radius:var(--radius-btn);
  border:1px solid var(--line); background:#fff; place-items:center;
}
.nav-toggle svg{ width:20px; height:20px; stroke:var(--text); }

/* 按钮通用 */
.btn-main{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:48px; padding:0 26px; border-radius:var(--radius-btn); border:0;
  background:var(--brand); color:#fff; font-size:16px; font-weight:700;
  transition:background .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn-main:hover{ background:var(--brand-hover); color:#fff; transform:translateY(-1px); box-shadow:0 12px 28px rgba(90,47,224,.28); }
.btn-main:active{ background:var(--brand-active); transform:translateY(0); }
.btn-line{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:48px; padding:0 24px; border-radius:var(--radius-btn);
  background:#fff; border:1px solid var(--line); color:var(--brand); font-size:16px; font-weight:600;
  transition:border-color .18s ease, transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-line:hover{ border-color:var(--brand); background:#FBFAFF; color:var(--brand); transform:translateY(-1px); box-shadow:var(--shadow-1); }
.btn-line:active{ transform:translateY(0); }

/* ===== 分类 Banner ===== */
.cat-banner{
  position:relative; overflow:hidden; border-radius:0;
  background-image:linear-gradient(135deg,rgba(23,12,58,.88),rgba(46,26,107,.82)), url("/assets/images/backpic/back-2.webp");
  background-size:cover; background-position:center 40%;
}
.cat-banner::after{
  content:""; position:absolute; inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:22px 22px; opacity:.5; pointer-events:none;
}
.cat-banner .inner{ position:relative; z-index:2; padding:56px 0 52px; min-height:230px; display:flex; flex-direction:column; justify-content:center; }
.crumb{ display:flex; align-items:center; gap:8px; font-size:13px; color:#C9C2E8; margin-bottom:16px; flex-wrap:wrap; }
.crumb a{ color:#D9D3F5; }
.crumb a:hover{ color:var(--accent); }
.crumb .sep{ color:#7A72A6; }
.crumb .current{ color:#A79FD0; }
.cat-banner h1{ color:#fff; }
.cat-banner .cat-desc{ margin-top:14px; color:#CFC8EE; font-size:16px; max-width:660px; }
.cat-tags{ display:flex; flex-wrap:wrap; gap:10px; margin-top:22px; }
.tag-pill{
  display:inline-flex; align-items:center; gap:6px;
  padding:6px 14px; border-radius:999px; font-size:13px;
  background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.18); color:#E6E1FF;
}
.tag-pill b{ color:var(--accent); font-weight:700; }

/* ===== 档位卡片 ===== */
.plans-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; align-items:stretch; }
.plan-card{
  position:relative; display:flex; flex-direction:column;
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius-card);
  padding:24px; box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.plan-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); border-color:#DAD2F5; }
.plan-card.featured{ border:2px solid var(--accent); transform:translateY(-4px); }
.plan-card.featured:hover{ transform:translateY(-8px); }
.plan-badge{
  position:absolute; top:-13px; left:24px;
  display:inline-flex; align-items:center;
  padding:4px 12px; border-radius:999px; font-size:12px; font-weight:700;
  background:var(--accent); color:#04241C;
}
.plan-name{ font-size:19px; font-weight:800; }
.plan-sub{ font-size:13px; color:var(--text-3); margin-top:4px; }
.plan-cycle{
  margin:18px 0 20px; padding:14px 16px; border-radius:var(--radius-img);
  background:#F4F1FF; color:var(--brand); font-size:14px; font-weight:700; line-height:1.5;
}
.plan-cycle span{ display:block; font-size:12px; font-weight:500; color:var(--text-2); margin-top:2px; }
.plan-list{ list-style:none; padding:0; margin:0 0 24px; flex:1; }
.plan-list li{
  display:flex; align-items:flex-start; gap:10px;
  padding:9px 0; font-size:14.5px; color:var(--text-2);
  border-bottom:1px dashed var(--line);
}
.plan-list li:last-child{ border-bottom:0; }
.plan-list li svg{ width:16px; height:16px; stroke:var(--accent); flex-shrink:0; margin-top:5px; }
.plan-list li.muted{ color:var(--text-3); }
.plan-list li.muted svg{ stroke:var(--text-3); }
.plan-cta{
  display:inline-flex; align-items:center; justify-content:center;
  width:100%; height:44px; border-radius:var(--radius-btn); font-size:15px; font-weight:700;
  border:1px solid var(--line); background:#fff; color:var(--brand);
  transition:background .18s ease, border-color .18s ease, transform .18s ease;
}
.plan-cta:hover{ background:#F1ECFF; border-color:#DAD2F5; transform:translateY(-1px); }
.plan-card.featured .plan-cta{ background:var(--accent); border-color:var(--accent); color:#04241C; }
.plan-card.featured .plan-cta:hover{ background:var(--accent-hover); border-color:var(--accent-hover); }

/* ===== 内容卡栅格 ===== */
.cards-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.content-card{
  position:relative; display:flex; flex-direction:column;
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius-card);
  overflow:hidden; box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.content-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); border-color:#DAD2F5; }
.thumb{ position:relative; aspect-ratio:16/10; overflow:hidden; background:#EDE9FB; }
.thumb img{ width:100%; height:100%; object-fit:cover; object-position:center; filter:saturate(1.02) hue-rotate(2deg); transition:transform .35s ease; }
.content-card:hover .thumb img{ transform:scale(1.04); }
.thumb .badge-cat{
  position:absolute; top:12px; left:12px;
  padding:4px 12px; border-radius:999px; font-size:12px; font-weight:700;
  background:rgba(18,10,42,.78); color:#EDE9FF; backdrop-filter:blur(4px);
}
.card-body{ display:flex; flex-direction:column; flex:1; padding:20px 22px 22px; }
.card-body h3{ font-size:18px; font-weight:700; line-height:1.45; }
.card-body h3 a{ color:var(--text); }
.card-body h3 a:hover{ color:var(--brand); }
.card-body p{ margin-top:10px; font-size:14.5px; color:var(--text-2); line-height:1.75; }
.card-foot{
  margin-top:auto; padding-top:16px; display:flex; align-items:center; justify-content:space-between;
  font-size:13px; color:var(--text-3);
}
.card-foot .arrow{ display:inline-flex; align-items:center; gap:6px; color:var(--brand); font-weight:600; }
.card-foot .arrow svg{ width:16px; height:16px; stroke:var(--brand); transition:transform .18s ease; }
.content-card:hover .card-foot .arrow svg{ transform:translateX(3px); }

/* ===== 流程 ===== */
.steps-wrap{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-card); padding:36px 28px; box-shadow:var(--shadow-1); }
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; position:relative; }
.step{ position:relative; padding-right:8px; }
.step .num{
  width:32px; height:32px; border-radius:50%; background:var(--brand); color:#fff;
  display:grid; place-items:center; font-size:14px; font-weight:700; margin-bottom:16px;
}
.step h3{ font-size:17px; }
.step p{ margin-top:8px; font-size:14.5px; color:var(--text-2); line-height:1.75; }
.step::after{
  content:""; position:absolute; top:16px; left:44px; right:-6px; height:0;
  border-top:2px dashed var(--line);
}
.step:last-child::after{ display:none; }

/* ===== 两列要点 ===== */
.notes-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.note-card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius-card);
  padding:28px; box-shadow:var(--shadow-1);
}
.note-card h3{ font-size:18px; display:flex; align-items:center; gap:10px; }
.note-card h3 .dot{ width:10px; height:10px; border-radius:3px; background:var(--accent); flex-shrink:0; }
.note-list{ list-style:none; padding:0; margin:18px 0 0; }
.note-list li{ position:relative; padding:10px 0 10px 20px; font-size:15px; color:var(--text-2); border-bottom:1px dashed var(--line); }
.note-list li:last-child{ border-bottom:0; }
.note-list li::before{ content:""; position:absolute; left:0; top:19px; width:7px; height:7px; border-radius:50%; background:var(--brand-soft); }

/* ===== FAQ ===== */
.faq-wrap{ max-width:900px; margin:0 auto; }
.accordion-item{ border:0; background:transparent; border-bottom:1px solid var(--line); }
.accordion-button{
  padding:20px 44px 20px 18px; font-size:17px; font-weight:600; color:var(--text);
  background:transparent; box-shadow:none; border-radius:0;
  transition:color .18s ease, background .18s ease;
}
.accordion-button:not(.collapsed){ color:var(--brand); background:#F6F3FF; }
.accordion-button:focus{ box-shadow:none; border-color:transparent; }
.accordion-button::after{
  background-image:none; width:14px; height:14px; position:absolute; right:16px;
  border-right:2px solid var(--brand); border-bottom:2px solid var(--brand);
  transform:rotate(45deg); transition:transform .2s ease, border-color .2s ease;
}
.accordion-button:not(.collapsed)::after{ transform:rotate(-135deg); border-color:var(--accent); }
.accordion-button:not(.collapsed)::before{
  content:""; position:absolute; left:0; top:14px; bottom:14px; width:3px;
  background:var(--accent); border-radius:2px;
}
.accordion-body{ padding:4px 18px 24px 18px; font-size:15px; color:var(--text-2); line-height:1.85; background:#F6F3FF; }

/* ===== CTA 条 ===== */
.cta-bar{
  position:relative; overflow:hidden; border-radius:var(--radius-card);
  background:linear-gradient(135deg,#170C3A,#2E1A6B);
  padding:38px 40px; display:flex; align-items:center; justify-content:space-between;
  gap:26px; flex-wrap:wrap;
}
.cta-bar::after{
  content:""; position:absolute; inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:22px 22px; opacity:.45;
}
.cta-bar .cta-text{ position:relative; z-index:2; color:#fff; max-width:640px; }
.cta-bar h2{ color:#fff; font-size:clamp(20px,2.6vw,26px); }
.cta-bar p{ margin-top:10px; color:#C7C0E6; font-size:15px; }
.cta-bar .cta-actions{ position:relative; z-index:2; display:flex; gap:12px; flex-wrap:wrap; }
.btn-ghost-light{
  display:inline-flex; align-items:center; justify-content:center;
  height:48px; padding:0 24px; border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.42); color:#fff; font-size:16px; font-weight:600; background:transparent;
  transition:background .18s ease, transform .18s ease, border-color .18s ease;
}
.btn-ghost-light:hover{ background:rgba(255,255,255,.10); color:#fff; border-color:#fff; transform:translateY(-1px); }

/* ===== 页脚 ===== */
.site-footer{ background:var(--ink-900); color:#B9B3D6; padding:64px 0 0; margin-top:0; }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.3fr; gap:36px; }
.footer-brand .brand-name{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.footer-brand .brand-name b{ font-size:18px; font-weight:800; color:#fff; letter-spacing:.2px; }
.footer-brand .brand-name span{ font-size:10px; letter-spacing:.16em; color:#7A72A6; }
.footer-brand p{ margin-top:16px; font-size:14.5px; line-height:1.85; color:#9C95C4; max-width:340px; }
.footer-col h4{ font-size:14px; color:var(--gold); font-weight:700; letter-spacing:.06em; margin-bottom:16px; }
.footer-col ul{ list-style:none; padding:0; margin:0; }
.footer-col ul li{ margin-bottom:11px; }
.footer-col ul li a{ font-size:15px; color:#B9B3D6; }
.footer-col ul li a:hover{ color:var(--accent); }
.footer-qr{ display:flex; align-items:center; gap:14px; }
.footer-qr svg{ width:74px; height:74px; stroke:#B9B3D6; flex-shrink:0; padding:8px; border:1px solid rgba(255,255,255,.14); border-radius:12px; }
.footer-qr span{ font-size:13.5px; line-height:1.7; color:#9C95C4; }
.footer-contact{ margin-top:16px; font-size:14px; line-height:1.9; color:#9C95C4; }
.footer-contact a{ color:#B9B3D6; }
.footer-contact a:hover{ color:var(--accent); }
.footer-bottom{
  margin-top:48px; padding:22px 0; border-top:1px solid rgba(255,255,255,.08);
  display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
  font-size:13px; color:#7A72A6;
}

/* ===== 移动抽屉 ===== */
.offcanvas{ background:#fff; }
.offcanvas-header{ border-bottom:1px solid var(--line); }
.offcanvas-title{ font-size:16px; font-weight:800; }
.mobile-nav{ display:flex; flex-direction:column; gap:6px; margin-bottom:22px; }
.mobile-nav a{ padding:12px 14px; border-radius:12px; font-size:16px; color:var(--text-2); font-weight:500; }
.mobile-nav a.active{ background:#EFE9FF; color:var(--brand); font-weight:700; }
.mobile-actions{ display:flex; flex-direction:column; gap:12px; }
.mobile-search{ display:flex; align-items:center; gap:8px; height:44px; padding:0 14px; border:1px solid var(--line); border-radius:999px; }
.mobile-search input{ border:0; outline:0; width:100%; font-size:15px; }

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .nav-search{ width:190px; }
  .nav-channels a{ padding:8px 11px; font-size:14.5px; }
  .plans-grid{ grid-template-columns:repeat(2,1fr); }
  .plan-card.featured{ transform:none; }
  .plan-card.featured:hover{ transform:translateY(-4px); }
}
@media (max-width:991.98px){
  .nav-channels{ display:none; }
  .nav-search{ display:none; }
  .nav-toggle{ display:grid; }
  .header-inner{ gap:12px; }
  .section{ padding:64px 0; }
  .cards-grid{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:repeat(2,1fr); gap:28px; }
  .step::after{ display:none; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
  .footer-brand p{ max-width:100%; }
  .cat-banner .inner{ padding:48px 0 44px; min-height:210px; }
}
@media (max-width:767.98px){
  .shell{ padding-left:18px; padding-right:18px; }
  .section{ padding:48px 0; }
  .section-head{ flex-direction:column; align-items:flex-start; gap:14px; }
  .cards-grid{ grid-template-columns:1fr; }
  .plans-grid{ grid-template-columns:1fr; }
  .notes-grid{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .steps-wrap{ padding:28px 20px; }
  .cta-bar{ padding:30px 22px; flex-direction:column; align-items:flex-start; }
  .cta-bar .cta-actions{ width:100%; }
  .cta-bar .cta-actions .btn-accent,
  .cta-bar .cta-actions .btn-ghost-light{ flex:1 1 100%; }
  .footer-grid{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
  .brand-text b{ font-size:15.5px; }
  .brand-text span{ display:none; }
  .btn-main,.btn-line{ width:100%; }
}
@media (max-width:575.98px){
  h1{ font-size:26px; }
  .cat-banner .inner{ padding:40px 0 36px; min-height:190px; }
  .cat-tags{ display:none; }
  .plan-card{ padding:20px; }
  .card-body{ padding:18px; }
}