/* roulang page: index */
:root{
  --brand-1:#7A2BFF;
  --brand-2:#FF4D8D;
  --brand-3:#FFB03A;
  --grad:linear-gradient(120deg,#7A2BFF 0%,#FF4D8D 55%,#FFB03A 100%);
  --lime:#C9F24D;
  --bg:#F6F4FB;
  --surface:#FFFFFF;
  --line:#E9E4F5;
  --soft:#FBFAFF;
  --ink-900:#170A2E;
  --ink-700:#3A2A5C;
  --ink-500:#6E6386;
  --ink-300:#A79FBB;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(122,43,255,.10),0 2px 6px rgba(23,10,46,.06);
  --sh-hover:0 18px 42px rgba(122,43,255,.18);
  --ease:220ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink-700);
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media(max-width:640px){.container{padding:0 18px;}}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:17px;font-weight:600;line-height:1;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(122,43,255,.30);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(122,43,255,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.30);}
.btn-ghost:hover{background:rgba(255,255,255,.20);}
.btn-line{background:#fff;color:var(--ink-900);border:1px solid var(--line);}
.btn-line:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-1);font-weight:600;font-size:15px;}
.btn-link .arrow{transition:transform var(--ease);}
.btn-link:hover .arrow{transform:translateX(3px);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.brand-row{background:#fff;height:68px;transition:box-shadow var(--ease),border-color var(--ease);border-bottom:1px solid transparent;}
.site-header.is-scrolled .brand-row{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(23,10,46,.06);}
.brand-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{width:34px;height:34px;border-radius:11px;background-image:var(--grad);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(122,43,255,.32);}
.brand-mark svg{width:18px;height:18px;}
.brand-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
.main-nav{display:flex;align-items:center;gap:26px;}
.main-nav a{position:relative;font-size:15px;font-weight:600;color:var(--ink-700);padding:6px 0;transition:color var(--ease);}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background-image:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);}
.main-nav a:hover{color:var(--brand-1);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand-1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-700);transition:border-color var(--ease),color var(--ease),background var(--ease);}
.icon-btn:hover{border-color:var(--brand-1);color:var(--brand-1);background:var(--soft);}
.hamburger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.channel-row{background:#F1ECFF;height:48px;position:relative;}
.channel-inner{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-700);background:transparent;white-space:nowrap;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.chip:hover{background:#fff;color:var(--brand-1);}
.chip.active{background-image:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(122,43,255,.26);}
.drawer{display:none;background:#fff;border-top:1px solid var(--line);padding:14px 0 18px;}
.drawer.open{display:block;}
.drawer a{display:block;padding:12px 0;font-size:16px;font-weight:600;border-bottom:1px solid var(--line);}
.drawer a:last-child{border-bottom:none;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-color:#1B0B36;
  background-image:
    radial-gradient(560px 420px at 8% 0%,rgba(255,77,141,.22),transparent 68%),
    radial-gradient(620px 480px at 100% 100%,rgba(122,43,255,.40),transparent 70%),
    linear-gradient(160deg,#1B0B36 0%,#2E0F5E 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.16;mix-blend-mode:screen;pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;min-height:640px;padding:72px 0 64px;}
.hero-copy{max-width:560px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13px;font-weight:600;color:#fff;}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:block;}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em;margin:18px 0 16px;color:#fff;}
.hero-sub{font-size:19px;line-height:1.7;color:rgba(255,255,255,.82);margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px;}
.data-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--ink-900);
  border-radius:12px;padding:9px 14px;font-size:12px;font-weight:700;
  box-shadow:0 8px 18px rgba(201,242,77,.24);
}
.data-badge i{width:6px;height:6px;border-radius:50%;background:var(--ink-900);display:block;}
.data-badge b{font-size:15px;font-weight:800;}
.hero-note{font-size:13px;color:rgba(255,255,255,.62);}
.hero-visual{position:relative;display:flex;justify-content:flex-end;padding-bottom:26px;}
.vcard{
  position:relative;width:100%;max-width:300px;aspect-ratio:9/16;border-radius:var(--r-xl);
  overflow:hidden;background:#241043;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 26px 60px rgba(0,0,0,.42);
}
.vcard img{width:100%;height:100%;object-fit:cover;}
.vcard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(23,10,46,.88) 100%);}
.vcard-body{position:absolute;left:0;right:0;bottom:0;padding:18px;z-index:2;}
.vcard-title{font-size:16px;font-weight:700;color:#fff;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.vcard-meta{font-size:12px;color:rgba(255,255,255,.72);margin-top:6px;}
.vcard-secondary{
  position:absolute;right:-8px;bottom:-18px;width:150px;aspect-ratio:9/16;border-radius:22px;
  overflow:hidden;background:#241043;border:1px solid rgba(255,255,255,.16);
  box-shadow:0 20px 44px rgba(0,0,0,.45);
}
.vcard-secondary img{width:100%;height:100%;object-fit:cover;}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;z-index:3;
  transition:transform var(--ease);
}
.play-btn::after{content:"";width:0;height:0;border-left:14px solid transparent;border-right:0 solid transparent;border-bottom:9px solid transparent;border-top:9px solid transparent;border-left:16px solid var(--brand-1);margin-left:3px;}
.hot-badge{
  position:absolute;top:12px;left:12px;z-index:3;
  background:var(--lime);color:var(--ink-900);border-radius:10px;
  padding:5px 10px;font-size:12px;font-weight:800;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section.soft{background:var(--soft);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{position:relative;font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;color:var(--ink-900);padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background-image:var(--grad);}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:640px;}
@media(max-width:1024px){.section{padding:64px 0;}}
@media(max-width:640px){.section{padding:48px 0;}.section-head{flex-direction:column;align-items:flex-start;gap:12px;}}

/* ---------- 频道快捷条 ---------- */
.channel-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#DCD2F7;}
.channel-card .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background-image:var(--grad);color:#fff;font-size:13px;font-weight:800;margin-bottom:14px;}
.channel-card h3{font-size:18px;font-weight:600;color:var(--ink-900);margin-bottom:8px;}
.channel-card p{font-size:14px;color:var(--ink-500);line-height:1.75;}
.channel-card .tags{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:#F1ECFF;color:var(--brand-1);font-size:12px;font-weight:600;}
.tag.gray{background:#F4F2FA;color:var(--ink-500);}
@media(max-width:1023px){.channel-cards{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.channel-cards{grid-template-columns:1fr;}}

/* ---------- 竖屏横滚 ---------- */
.scroller{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 24px 22px;margin:0 -24px;scrollbar-width:none;
}
.scroller::-webkit-scrollbar{display:none;}
.scroller > *{scroll-snap-align:start;flex:0 0 240px;}
.reel{
  position:relative;aspect-ratio:9/16;border-radius:var(--r-xl);overflow:hidden;
  background:#241043;transition:transform var(--ease),box-shadow var(--ease);display:block;
}
.reel img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.reel::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(23,10,46,.9) 100%);}
.reel:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.reel:hover .play-btn{transform:translate(-50%,-50%) scale(1.04);}
.reel-body{position:absolute;left:0;right:0;bottom:0;padding:16px;z-index:2;}
.reel-title{font-size:15px;font-weight:600;color:#fff;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.reel-meta{font-size:12px;color:rgba(255,255,255,.72);margin-top:6px;}
.duration{position:absolute;right:10px;bottom:10px;z-index:3;background:rgba(23,10,46,.72);color:#fff;font-size:12px;font-weight:600;padding:3px 8px;border-radius:8px;}
.reel .hot-badge{top:10px;left:10px;font-size:11px;padding:4px 9px;}

/* ---------- 种草清单 ---------- */
.list-layout{display:grid;grid-template-columns:4fr 8fr;gap:24px;}
.list-rail{position:relative;padding-left:0;}
.list-rail .rail-line{position:absolute;left:17px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,#7A2BFF,#FF4D8D,#FFB03A);border-radius:2px;opacity:.35;}
.rail-item{position:relative;padding:0 0 28px 46px;cursor:pointer;}
.rail-item:last-child{padding-bottom:0;}
.rail-item .dot{position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:50%;background-image:var(--grad);color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(122,43,255,.28);}
.rail-item h4{font-size:15px;font-weight:700;color:var(--ink-900);}
.rail-item p{font-size:13px;color:var(--ink-500);line-height:1.7;}
.pick-list{display:flex;flex-direction:column;gap:16px;}
.pick{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pick:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#DCD2F7;}
.pick h3{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.45;margin-bottom:8px;}
.pick p{font-size:14px;color:var(--ink-500);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pick .tags{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;}
@media(max-width:1023px){.list-layout{grid-template-columns:1fr;}.list-rail{display:none;}}

/* ---------- 数据徽章条 ---------- */
.stat-band{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{display:flex;flex-direction:column;gap:6px;padding:6px 0 6px 16px;border-left:1px solid var(--line);}
.stat:first-child{border-left:none;padding-left:0;}
.stat b{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.1;background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat span{font-size:13px;color:var(--ink-500);}
@media(max-width:1023px){.stat-grid{grid-template-columns:repeat(2,1fr);}.stat:nth-child(3){border-left:none;padding-left:0;}}
@media(max-width:520px){.stat-grid{grid-template-columns:1fr;}.stat{border-left:none;padding-left:0;}}

/* ---------- 最新动态 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#DCD2F7;}
.news-card:hover .news-title{color:var(--brand-1);}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:#EFEAFB;}
.news-cover img{width:100%;height:100%;object-fit:cover;}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--ease);}
.news-summary{font-size:14px;color:var(--ink-500);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:4px;font-size:13px;color:var(--ink-500);}
.news-lead{grid-column:span 6;}
.news-lead .news-cover{aspect-ratio:4/3;}
.news-lead .news-title{font-size:22px;-webkit-line-clamp:3;}
.news-small{grid-column:span 6;flex-direction:row;}
.news-small .news-cover{width:190px;flex:0 0 190px;aspect-ratio:1/1;height:100%;}
.news-small .news-title{font-size:17px;}
.news-small .news-summary{-webkit-line-clamp:2;}
.news-small .news-body{padding:18px;}
.empty-state{
  grid-column:span 12;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state .empty-art{width:64px;height:64px;border-radius:20px;background:#F1ECFF;display:flex;align-items:center;justify-content:center;color:var(--brand-1);}
.empty-state p{font-size:15px;color:var(--ink-500);}
@media(max-width:1023px){
  .news-lead{grid-column:span 12;}
  .news-small{grid-column:span 12;}
}
@media(max-width:640px){
  .news-small{flex-direction:column;}
  .news-small .news-cover{width:100%;flex:none;aspect-ratio:16/9;}
}

/* ---------- 评论口碑 ---------- */
.review-scroller{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 24px 20px;margin:0 -24px;scrollbar-width:none;
}
.review-scroller::-webkit-scrollbar{display:none;}
.review{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px;transition:transform var(--ease),box-shadow var(--ease);
}
.review:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{width:44px;height:44px;border-radius:50%;background-image:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 44px;}
.review-name{font-size:15px;font-weight:600;color:var(--ink-900);}
.stars{display:flex;gap:2px;font-size:13px;background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:1px;}
.review p{font-size:14px;color:var(--ink-700);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.review time{display:block;font-size:13px;color:var(--ink-500);margin-top:10px;}
@media(max-width:640px){.review{flex:0 0 268px;}}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:16px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow var(--ease);}
.faq-item.open{box-shadow:var(--sh);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;font-size:17px;font-weight:600;color:var(--ink-900);text-align:left;position:relative;
}
.faq-q .sign{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:#F1ECFF;color:var(--brand-1);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;transition:transform var(--ease);}
.faq-item.open .faq-q .sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a-inner{padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-500);border-left:3px solid transparent;}
.faq-item.open .faq-a-inner{border-left-color:var(--brand-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:32px;padding:48px;color:#fff;
  background-color:#1B0B36;
  background-image:
    radial-gradient(480px 340px at 0% 0%,rgba(255,77,141,.24),transparent 68%),
    radial-gradient(520px 380px at 100% 100%,rgba(122,43,255,.42),transparent 70%),
    linear-gradient(140deg,#1B0B36 0%,#2E0F5E 100%);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;}
.cta-band h2{font-size:clamp(24px,3.2vw,32px);font-weight:700;line-height:1.3;color:#fff;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.78);max-width:560px;}
.cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cta-tags span{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:12px;font-weight:600;}
@media(max-width:1023px){.cta-inner{flex-direction:column;align-items:flex-start;}.cta-band{padding:36px 24px;}}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;color:var(--ink-300);
  background-color:#1B0B36;
  background-image:linear-gradient(160deg,#1B0B36 0%,#2E0F5E 100%);
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;width:420px;height:420px;left:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,141,.28),transparent 68%);
}
.footer-grid{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand span{font-size:17px;font-weight:800;color:#fff;}
.footer-grid p{font-size:14px;line-height:1.8;color:var(--ink-300);}
.footer-grid h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-grid li{margin-bottom:10px;}
.footer-grid li a{font-size:14px;color:var(--ink-300);transition:color var(--ease);}
.footer-grid li a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{position:relative;margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--ink-300);}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- 移动端底部条 ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;
  border-top:1px solid var(--line);padding:10px 18px;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  transform:translateY(110%);transition:transform var(--ease);
  box-shadow:0 -8px 24px rgba(23,10,46,.08);
}
.mobile-bar.show{transform:translateY(0);}
.mobile-bar span{font-size:13px;color:var(--ink-500);}
@media(max-width:1023px){
  .main-nav{display:none;}
  .hamburger{display:flex;}
  .hero-inner{grid-template-columns:1fr;min-height:520px;padding:56px 0 52px;}
  .hero-visual{justify-content:center;padding-bottom:30px;}
  .vcard{max-width:250px;}
  .vcard-secondary{width:126px;right:auto;left:calc(50% + 52px);bottom:-10px;}
  .mobile-bar{display:flex;}
  .site-footer{padding-bottom:96px;}
}
@media(min-width:1024px){
  .site-footer{padding-bottom:28px;}
}

/* roulang page: article */
:root{
  --brand-1:#7A2BFF;
  --brand-2:#FF4D8D;
  --brand-3:#FFB03A;
  --brand-grad:linear-gradient(120deg,#7A2BFF 0%,#FF4D8D 55%,#FFB03A 100%);
  --lime:#C9F24D;
  --bg:#F6F4FB;
  --surface:#FFFFFF;
  --line:#E9E4F5;
  --soft:#FBFAFF;
  --ink-900:#170A2E;
  --ink-700:#3A2A5C;
  --ink-500:#6E6386;
  --ink-300:#A79FBB;
  --dark-1:#1B0B36;
  --dark-2:#2E0F5E;
  --radius-xl:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-1:0 8px 24px rgba(122,43,255,.10),0 2px 6px rgba(23,10,46,.06);
  --shadow-2:0 18px 42px rgba(122,43,255,.18);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:640px){.container{padding:0 18px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:17px;font-weight:600;line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background-image:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(122,43,255,.28);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,77,141,.30);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--ink-700);}
.btn-secondary:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.32);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.22);}
.btn-sm{height:40px;padding:0 20px;font-size:15px;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-1);}
.btn-text span{transition:transform .22s ease;}
.btn-text:hover span{transform:translateX(3px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:12px;
  font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;
  background:var(--lime);color:var(--ink-900);
}
.badge-grad{background-image:var(--brand-grad);color:#fff;}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.75;}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:999px;
  font-size:13px;font-weight:500;
  background:#F1ECFF;color:var(--ink-700);
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.tag:hover{background:var(--brand-1);color:#fff;transform:translateY(-2px);}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:50;}
.header-bar{background:#fff;box-shadow:none;transition:box-shadow .22s ease,border-color .22s ease;border-bottom:1px solid transparent;}
.site-header.scrolled .header-bar{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(23,10,46,.06);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background-image:var(--brand-grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(122,43,255,.28);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:12px;}
.main-nav a{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-700);
  padding:6px 0;transition:color .2s ease;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background-image:var(--brand-grad);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand-1);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand-1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink-700);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.icon-btn:hover{border-color:var(--brand-1);color:var(--brand-1);background:#FBFAFF;}
.icon-btn svg{width:18px;height:18px;}
.menu-btn{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700);position:relative;}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink-700);}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}

.channel-bar{background:#F1ECFF;border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;height:48px;overflow:hidden;position:relative;}
.channel-inner::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:24px;z-index:2;
  background:linear-gradient(90deg,#F1ECFF,rgba(241,236,255,0));
  pointer-events:none;
}
.channel-tabs{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;padding:0 24px 0 0;}
.channel-tabs::-webkit-scrollbar{display:none;}
.channel-tab{
  flex-shrink:0;padding:7px 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-700);
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.channel-tab:hover{background:#fff;}
.channel-tab.active{background-image:var(--brand-grad);color:#fff;box-shadow:0 8px 18px rgba(122,43,255,.24);}
.mobile-drawer{display:none;background:#fff;border-bottom:1px solid var(--line);padding:14px 0 22px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:11px 0;font-size:15px;font-weight:600;color:var(--ink-700);border-bottom:1px solid var(--line);}
.mobile-drawer a:last-child{border-bottom:0;}

/* ============ 文章头部 ============ */
.article-head{padding:40px 0 8px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:15px;color:var(--ink-500);margin-bottom:18px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"›";color:var(--ink-300);font-size:15px;}
.breadcrumb a:hover{color:var(--brand-1);}
.article-title{
  font-size:clamp(30px,4.6vw,44px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:900px;
  overflow-wrap:anywhere;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:14px;color:var(--ink-500);}
.meta-row .sep{width:1px;height:14px;background:var(--line);}
.meta-row .num{font-variant-numeric:tabular-nums;}
.article-cover{margin-top:28px;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-1);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ============ 文章主体布局 ============ */
.article-wrap{padding:40px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;}
.article-col{min-width:0;}
.article-main{max-width:780px;}
.article-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:34px 34px 26px;
  box-shadow:var(--shadow-1);
  overflow-wrap:anywhere;
}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.6vw,28px);
  font-weight:700;line-height:1.3;
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:999px;
  background-image:var(--brand-grad);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.4;margin:30px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--ink-700);}
.article-body p{margin:0 0 1.35em;line-height:1.9;color:var(--ink-700);}
.article-body strong{color:var(--ink-900);font-weight:700;}
.article-body a{color:var(--brand-1);border-bottom:1px solid rgba(122,43,255,.35);}
.article-body a:hover{border-bottom-color:var(--brand-1);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.5em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body ul ul,.article-body ol ol,.article-body ul ol,.article-body ol ul{margin:.5em 0 .5em 1.5em;}
.article-body li{margin-bottom:.6em;color:var(--ink-700);}
.article-body li::marker{color:var(--brand-1);}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--bg);
  border-left:4px solid var(--brand-2);
  border-radius:0 16px 16px 0;
  color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:20px;margin:22px auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;display:block;overflow-x:auto;
  margin:22px 0;border-radius:16px;font-size:15px;
}
.article-body thead{background:#F1ECFF;}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;}
.article-body tbody tr:nth-child(even){background:var(--soft);}
.article-body code{background:#F1ECFF;border-radius:6px;padding:2px 6px;font-size:.94em;color:var(--brand-1);}
.article-body pre{
  background:#1B0B36;color:#F6F4FB;border-radius:16px;padding:18px;
  overflow-x:auto;margin:22px 0;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0;}
.article-body>*:last-child{margin-bottom:0;}

.empty-state{text-align:center;padding:34px 8px;}
.empty-state h2{font-size:24px;font-weight:700;margin-bottom:12px;}
.empty-state p{color:var(--ink-500);margin-bottom:22px;}

/* ============ 文末区 ============ */
.article-foot{margin-top:28px;display:flex;flex-direction:column;gap:24px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.share-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.share-row .label{font-size:14px;color:var(--ink-500);}
.share-btn{
  width:42px;height:42px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--ink-700);
  transition:transform .22s ease,border-color .22s ease,color .22s ease;
}
.share-btn:hover{transform:translateY(-3px);border-color:var(--brand-1);color:var(--brand-1);}
.share-btn svg{width:18px;height:18px;}
.back-row{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 相关推荐 ============ */
.related{margin-top:44px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px;}
.section-head h2{
  position:relative;font-size:clamp(22px,2.8vw,28px);font-weight:700;line-height:1.3;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:999px;
  background-image:var(--brand-grad);
}
.related-grid{display:grid;grid-template-columns:1fr;gap:22px;}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.related-card .thumb{display:block;overflow:hidden;}
.related-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.related-card:hover .thumb img{transform:scale(1.04);}
.related-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-card .title{
  font-size:18px;font-weight:600;line-height:1.45;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s ease;
}
.related-card:hover .title{color:var(--brand-1);}
.related-card .info{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums;margin-top:auto;}

/* ============ 侧栏 ============ */
.article-side{display:grid;gap:20px;align-content:start;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:3px;background-image:var(--brand-grad);}
.toc-list{display:grid;gap:4px;}
.toc-list a{
  position:relative;display:block;padding:8px 10px 8px 14px;border-radius:8px;
  font-size:14px;line-height:1.5;color:var(--ink-700);
  transition:color .2s ease,background-color .2s ease;
}
.toc-list a::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:999px;
  background-image:var(--brand-grad);opacity:0;transition:opacity .2s ease;
}
.toc-list a:hover{background:var(--bg);color:var(--brand-1);}
.toc-list a.active{color:var(--brand-1);font-weight:600;background:var(--bg);}
.toc-list a.active::before{opacity:1;}
.hot-list{display:grid;gap:12px;}
.hot-list li{display:flex;gap:10px;align-items:flex-start;}
.hot-list .idx{
  flex-shrink:0;font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;
  background-image:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hot-list a{font-size:14px;line-height:1.5;color:var(--ink-700);transition:color .2s ease;}
.hot-list a:hover{color:var(--brand-1);}
.side-cta{
  background-image:var(--brand-grad);border-radius:var(--radius-xl);
  padding:24px;color:#fff;box-shadow:0 14px 32px rgba(122,43,255,.28);
}
.side-cta h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.side-cta p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.88);margin-bottom:16px;}
.side-cta .btn{background:#fff;color:var(--ink-900);height:42px;font-size:15px;padding:0 20px;width:100%;}

/* ============ 底部 CTA ============ */
.cta-band{padding:0 0 72px;}
.cta-inner{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,#1B0B36 0%,#2E0F5E 100%);
  border-radius:32px;padding:46px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-inner::before{
  content:"";position:absolute;left:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,141,.55),rgba(255,77,141,0) 70%);
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,43,255,.55),rgba(122,43,255,0) 70%);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:#fff;line-height:1.3;margin-bottom:12px;}
.cta-copy p{color:rgba(255,255,255,.78);font-size:15px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;gap:16px;}
.cta-badges{display:flex;flex-wrap:wrap;gap:8px;}
.cta-badges .badge{background:rgba(255,255,255,.14);color:#fff;font-weight:500;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark-1);color:var(--ink-300);padding:64px 0 28px;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;right:-100px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,43,255,.35),rgba(122,43,255,0) 70%);
}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;}
.footer-brand span:last-child{font-size:16px;font-weight:800;color:#fff;}
.site-footer p{font-size:14px;line-height:1.8;color:var(--ink-300);}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.site-footer ul{display:grid;gap:10px;}
.site-footer ul li{font-size:14px;line-height:1.7;color:var(--ink-300);}
.site-footer ul a{color:var(--ink-300);transition:color .2s ease;}
.site-footer ul a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  position:relative;z-index:2;margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-300);
}

/* ============ 响应式 ============ */
@media (min-width:640px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:48px;}
  .article-side{position:sticky;top:96px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-btn{display:flex;}
  .brand-text{font-size:16px;}
  .article-body{padding:26px 22px 20px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px 26px;border-radius:26px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
  .header-actions .btn-primary{display:none;}
  .article-head{padding:26px 0 4px;}
  .article-wrap{padding:28px 0 56px;}
  .article-body{padding:22px 18px 16px;border-radius:20px;}
  .cta-band{padding-bottom:56px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category1 */
:root{
    --brand-1:#7A2BFF;
    --brand-2:#FF4D8D;
    --brand-3:#FFB03A;
    --lime:#C9F24D;
    --bg:#F6F4FB;
    --surface:#FFFFFF;
    --line:#E9E4F5;
    --tint:#FBFAFF;
    --ink-900:#170A2E;
    --ink-700:#3A2A5C;
    --ink-500:#6E6386;
    --ink-300:#A79FBB;
    --grad:linear-gradient(120deg,#7A2BFF 0%,#FF4D8D 55%,#FFB03A 100%);
    --r-xl:32px;
    --r-lg:24px;
    --r-md:18px;
    --r-sm:12px;
    --shadow:0 8px 24px rgba(122,43,255,.10),0 2px 6px rgba(23,10,46,.06);
    --shadow-hover:0 18px 42px rgba(122,43,255,.18);
    --ease:220ms ease;
  }

  *,*::before,*::after{box-sizing:border-box}

  .page-body{
    margin:0;
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    background:var(--bg);
    color:var(--ink-700);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  .page-body a{color:inherit;text-decoration:none}
  .page-body img{display:block;max-width:100%;height:auto}
  .page-body ul,.page-body ol{margin:0;padding:0;list-style:none}
  .page-body button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  .page-body h1,.page-body h2,.page-body h3,.page-body h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.28}
  .page-body p{margin:0}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  @media (max-width:640px){.container{padding:0 18px}}

  :focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:8px}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:50;background:#fff;
    border-bottom:1px solid transparent;
    transition:box-shadow var(--ease),border-color var(--ease);
  }
  .site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(23,10,46,.06)}

  .topbar-inner{display:flex;align-items:center;gap:18px;height:68px}

  .brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;background:var(--grad);
    display:grid;place-items:center;flex:0 0 auto;
    box-shadow:0 6px 14px rgba(122,43,255,.28);
  }
  .brand-mark svg{width:20px;height:20px}

  .main-nav{display:flex;align-items:center;gap:26px;margin:0 auto}
  .main-nav a{position:relative;font-size:15px;font-weight:600;color:var(--ink-700);padding:6px 0;transition:color var(--ease);white-space:nowrap}
  .main-nav a::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
  }
  .main-nav a:hover{color:var(--brand-1)}
  .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
  .main-nav a.active{color:var(--brand-1)}

  .topbar-actions{display:flex;align-items:center;gap:10px}
  .icon-btn{
    width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
    color:var(--ink-700);border:1px solid var(--line);background:#fff;
    transition:color var(--ease),border-color var(--ease),background var(--ease);
  }
  .icon-btn:hover{color:var(--brand-1);border-color:var(--brand-1);background:var(--tint)}
  .icon-btn svg{width:18px;height:18px}
  .menu-btn{display:none}

  .channelbar{background:#F1ECFF;border-top:1px solid rgba(122,43,255,.07)}
  .channel-scroll{
    display:flex;align-items:center;gap:10px;height:48px;
    overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  }
  .channel-scroll::-webkit-scrollbar{display:none}
  .channel-chip{
    padding:6px 16px;border-radius:999px;font-size:14px;font-weight:600;
    color:var(--ink-700);white-space:nowrap;transition:background var(--ease),color var(--ease),box-shadow var(--ease);
  }
  .channel-chip:hover{background:#fff}
  .channel-chip.active{background:var(--grad);color:#fff;box-shadow:0 6px 14px rgba(122,43,255,.28)}

  .mobile-drawer{
    display:none;position:fixed;left:0;right:0;top:116px;z-index:45;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(23,10,46,.12);padding:10px 0 20px;
  }
  .mobile-drawer.is-open{display:block}
  .mobile-drawer a{display:block;padding:13px 0;font-size:16px;font-weight:600;color:var(--ink-900);border-bottom:1px solid var(--line)}
  .mobile-drawer a:last-child{border-bottom:0}

  @media (max-width:1023px){
    .main-nav{display:none}
    .topbar-actions .search-btn,.topbar-actions .btn-top-cta{display:none}
    .menu-btn{display:grid}
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 28px;border-radius:999px;
    font-size:17px;font-weight:600;white-space:nowrap;border:1px solid transparent;
    transition:transform var(--ease),filter var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(122,43,255,.28)}
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(122,43,255,.34)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.98)}
  .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff}
  .btn-ghost:hover{background:rgba(255,255,255,.22)}
  .btn-outline{background:#fff;border-color:var(--line);color:var(--ink-900)}
  .btn-outline:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px)}
  .btn-sm{height:40px;padding:0 20px;font-size:15px}

  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-1)}
  .link-more .arrow{transition:transform var(--ease)}
  .link-more:hover .arrow{transform:translateX(3px)}

  .tag{
    display:inline-flex;align-items:center;font-size:12px;font-weight:600;
    padding:4px 10px;border-radius:999px;background:#F1ECFF;color:var(--brand-1);
  }

  /* ============ 首屏 Banner ============ */
  .banner{
    position:relative;overflow:hidden;color:#fff;
    background-image:
      linear-gradient(115deg,rgba(27,11,54,.88) 0%,rgba(58,20,110,.62) 48%,rgba(255,77,141,.42) 100%),
      url(/assets/images/backpic/back-1.png);
    background-size:cover;
    background-position:center;
  }
  .banner::after{
    content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(122,43,255,.55) 0%,rgba(122,43,255,0) 70%);
    pointer-events:none;
  }
  .banner-inner{
    position:relative;z-index:2;
    display:flex;align-items:center;justify-content:space-between;gap:44px;
    min-height:340px;padding:54px 0 48px;
  }
  .banner-copy{max-width:660px}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.74);margin-bottom:16px}
  .breadcrumb li{display:flex;align-items:center;gap:8px}
  .breadcrumb li:not(:first-child)::before{content:"›";color:rgba(255,255,255,.5)}
  .breadcrumb a:hover{color:#fff;text-decoration:underline}
  .banner h1{
    font-size:clamp(30px,4.4vw,46px);font-weight:800;color:#fff;letter-spacing:-.01em;line-height:1.15;
    text-shadow:0 3px 18px rgba(23,10,46,.35);
  }
  .banner-sub{margin-top:14px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.86);max-width:560px}
  .banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .banner-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.62)}

  .banner-stat{
    flex:0 0 auto;min-width:230px;
    background:rgba(255,255,255,.13);
    border:1px solid rgba(255,255,255,.26);
    border-radius:var(--r-lg);padding:22px 26px;
  }
  .banner-stat-num{
    font-size:38px;font-weight:800;color:var(--lime);line-height:1.1;
    font-variant-numeric:tabular-nums;
  }
  .banner-stat-unit{font-size:16px;font-weight:700;color:var(--lime);margin-left:4px}
  .banner-stat-label{margin-top:8px;font-size:14px;color:rgba(255,255,255,.82)}
  .banner-stat-sub{margin-top:6px;font-size:13px;color:rgba(255,255,255,.6)}

  @media (max-width:900px){
    .banner-inner{flex-direction:column;align-items:flex-start;gap:26px;min-height:0;padding:44px 0 44px}
    .banner-stat{width:100%;min-width:0}
  }

  /* ============ 区块通用 ============ */
  .section{padding:44px 0}
  @media (max-width:1024px){.section{padding:32px 0}}
  @media (max-width:640px){.section{padding:24px 0}}

  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
  .section-title{
    position:relative;padding-left:18px;
    font-size:clamp(24px,3.2vw,34px);font-weight:700;line-height:1.25;
  }
  .section-title::before{
    content:"";position:absolute;left:0;top:.14em;bottom:.14em;width:6px;border-radius:6px;background:var(--grad);
  }
  .section-desc{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:660px}

  /* ============ 竖屏片段卡网格 ============ */
  .reel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  @media (max-width:1023px){.reel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (max-width:639px){.reel-grid{grid-template-columns:1fr}}

  .reel-card{
    display:block;background:var(--surface);border-radius:var(--r-lg);overflow:hidden;
    box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
  }
  .reel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .reel-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;background:#2E0F5E}
  .reel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease}
  .reel-card:hover .reel-thumb img{transform:scale(1.04)}
  .reel-mask{position:absolute;inset:auto 0 0 0;height:52%;background:linear-gradient(180deg,rgba(23,10,46,0) 0%,rgba(23,10,46,.88) 100%)}
  .hot-badge{
    position:absolute;left:14px;top:14px;z-index:3;
    display:inline-flex;align-items:center;gap:6px;
    background:var(--lime);color:var(--ink-900);
    font-size:12px;font-weight:700;padding:5px 10px;border-radius:12px;
    font-variant-numeric:tabular-nums;
  }
  .hot-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ink-900)}
  .duration-badge{
    position:absolute;right:14px;bottom:14px;z-index:3;
    background:rgba(23,10,46,.72);color:#fff;
    font-size:12px;font-weight:600;padding:4px 9px;border-radius:var(--r-sm);
    font-variant-numeric:tabular-nums;
  }
  .reel-play{
    position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
    width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.92);
    display:grid;place-items:center;z-index:3;
    box-shadow:0 10px 24px rgba(23,10,46,.25);
    transition:transform var(--ease);
  }
  .reel-card:hover .reel-play{transform:translate(-50%,-50%) scale(1.06)}
  .reel-play svg{width:20px;height:20px;margin-left:3px}

  .reel-body{padding:18px 20px 20px}
  .reel-title{
    font-size:18px;font-weight:600;line-height:1.45;color:var(--ink-900);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:color var(--ease);
  }
  .reel-card:hover .reel-title{color:var(--brand-1)}
  .reel-meta{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    margin-top:12px;font-size:14px;color:var(--ink-500);font-variant-numeric:tabular-nums;
  }

  /* ============ 精选片段滚动带 ============ */
  .rail-wrap{margin-top:6px}
  .rail{
    display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding:6px 24px 22px;margin:0 -24px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .rail::-webkit-scrollbar{display:none}
  @media (max-width:640px){.rail{padding:6px 18px 20px;margin:0 -18px}}
  .rail-card{
    flex:0 0 300px;scroll-snap-align:start;background:#fff;border-radius:var(--r-lg);overflow:hidden;
    box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
  }
  .rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .rail-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#2E0F5E}
  .rail-thumb img{width:100%;height:100%;object-fit:cover}
  .rail-thumb .duration-badge{right:12px;bottom:12px}
  .rail-body{padding:16px 18px 18px}
  .rail-title{
    font-size:17px;font-weight:600;line-height:1.45;color:var(--ink-900);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .rail-card:hover .rail-title{color:var(--brand-1)}
  .rail-meta{margin-top:10px;font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
  @media (max-width:640px){.rail-card{flex:0 0 260px}}

  /* ============ 开服节奏清单 ============ */
  .step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
  @media (max-width:1023px){.step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (max-width:639px){.step-grid{grid-template-columns:1fr}}
  .step-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
  .step-num{
    width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;
    display:grid;place-items:center;font-size:15px;font-weight:800;
    font-variant-numeric:tabular-nums;margin-bottom:16px;
  }
  .step-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
  .step-card p{font-size:15px;color:var(--ink-500);line-height:1.8}
  .step-time{display:inline-block;margin-top:14px;font-size:12px;font-weight:600;color:var(--brand-1);background:#F1ECFF;border-radius:999px;padding:4px 10px}

  /* ============ 适用场景 不对称网格 ============ */
  .split{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
  @media (max-width:1023px){.split{grid-template-columns:1fr}}
  .split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:320px;box-shadow:var(--shadow)}
  .split-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
  .split-media-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,10,46,.05) 30%,rgba(23,10,46,.85) 100%)}
  .split-media-text{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;color:#fff}
  .split-media-text h3{color:#fff;font-size:22px;font-weight:700;margin-bottom:8px}
  .split-media-text p{font-size:15px;color:rgba(255,255,255,.8)}
  .split-side{display:grid;gap:24px}
  .note-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
    transition:transform var(--ease),box-shadow var(--ease);
  }
  .note-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .note-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
  .note-card p{font-size:15px;color:var(--ink-500);line-height:1.8}
  .note-list{margin-top:14px;display:grid;gap:8px}
  .note-list li{position:relative;padding-left:16px;font-size:14px;color:var(--ink-700)}
  .note-list li::before{content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:50%;background:var(--grad)}

  /* ============ 数据徽章统计条 ============ */
  .stat-band{
    background:var(--tint);border:1px solid var(--line);border-radius:28px;padding:32px;
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  }
  @media (max-width:1023px){.stat-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:26px}}
  @media (max-width:639px){.stat-band{grid-template-columns:1fr;gap:20px}}
  .stat-item{display:flex;flex-direction:column;gap:6px}
  .stat-num{
    font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1.1;
    background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
    font-variant-numeric:tabular-nums;
  }
  .stat-label{font-size:13px;color:var(--ink-500)}

  /* ============ FAQ ============ */
  .faq-list{display:grid;gap:14px;max-width:880px}
  .faq-item{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
  }
  .faq-item:hover{border-color:#DCD3F2}
  .faq-item.open{box-shadow:var(--shadow)}
  .faq-item.open::after{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  }
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink-900);text-align:left;
  }
  .faq-icon{
    flex:0 0 auto;width:28px;height:28px;border-radius:50%;
    background:var(--grad);color:#fff;display:grid;place-items:center;
    font-size:18px;font-weight:600;line-height:1;transition:transform var(--ease);
  }
  .faq-item.open .faq-icon{transform:rotate(45deg)}
  .faq-a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-700)}
  .faq-item.open .faq-a{display:block}
  @media (max-width:640px){.faq-q{padding:16px 18px;font-size:16px}.faq-a{padding:0 18px 18px}}

  /* ============ CTA ============ */
  .cta-box{
    position:relative;overflow:hidden;border-radius:var(--r-xl);padding:48px;
    background:linear-gradient(135deg,#1B0B36 0%,#2E0F5E 58%,#4A1590 100%);
    display:flex;align-items:center;justify-content:space-between;gap:36px;color:#fff;
  }
  .cta-box::before{
    content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,77,141,.42) 0%,rgba(255,77,141,0) 70%);
  }
  .cta-box::after{
    content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(122,43,255,.42) 0%,rgba(122,43,255,0) 70%);
  }
  .cta-text{position:relative;z-index:2;max-width:620px}
  .cta-text h2{color:#fff;font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3}
  .cta-text p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.8)}
  .cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}
  .cta-badges{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
  .cta-badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;font-weight:600;color:#fff;
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
    border-radius:999px;padding:5px 12px;
  }
  .cta-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
  @media (max-width:1023px){
    .cta-box{flex-direction:column;align-items:flex-start;padding:34px 24px;gap:24px}
  }

  /* ============ 页脚 ============ */
  .site-footer{
    position:relative;overflow:hidden;margin-top:44px;
    background:linear-gradient(180deg,#1B0B36 0%,#2E0F5E 100%);
    color:var(--ink-300);padding:64px 0 28px;
  }
  .site-footer::before{
    content:"";position:absolute;right:-140px;top:-160px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(122,43,255,.35) 0%,rgba(122,43,255,0) 70%);
    pointer-events:none;
  }
  .footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
  .site-footer p{font-size:14px;line-height:1.85;color:var(--ink-300);max-width:340px}
  .site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
  .site-footer li{font-size:14px;margin-bottom:10px;color:var(--ink-300)}
  .site-footer li a{transition:color var(--ease)}
  .site-footer li a:hover{color:#fff;text-decoration:underline}
  .footer-bottom{
    position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    font-size:13px;color:rgba(167,159,187,.9);
  }
  @media (max-width:1023px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (max-width:639px){.footer-grid{grid-template-columns:1fr;gap:26px}.site-footer{padding:48px 0 24px}}

  /* ============ 移动端底部跟买条 ============ */
  .mobile-buybar{
    position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;
    align-items:center;justify-content:space-between;gap:12px;
    background:#fff;border-top:1px solid var(--line);
    padding:10px 18px;box-shadow:0 -6px 20px rgba(23,10,46,.08);
  }
  .mobile-buybar.is-visible{display:flex}
  .mobile-buybar span{font-size:14px;font-weight:600;color:var(--ink-900)}
  @media (min-width:1024px){.mobile-buybar{display:none !important}}
  @media (max-width:1023px){.page-body{padding-bottom:78px}}

/* roulang page: category2 */
*,*::before,*::after{box-sizing:border-box}
  :root{
    --brand-1:#7A2BFF;
    --brand-2:#FF4D8D;
    --brand-3:#FFB03A;
    --lime:#C9F24D;
    --bg:#F6F4FB;
    --surface:#FFFFFF;
    --soft:#FBFAFF;
    --line:#E9E4F5;
    --ink-900:#170A2E;
    --ink-700:#3A2A5C;
    --ink-500:#6E6386;
    --ink-300:#A79FBB;
    --grad:linear-gradient(120deg,#7A2BFF 0%,#FF4D8D 55%,#FFB03A 100%);
    --r-lg:24px;
    --r-md:18px;
    --r-pill:999px;
    --shadow:0 8px 24px rgba(122,43,255,.10),0 2px 6px rgba(23,10,46,.06);
    --shadow-hover:0 18px 42px rgba(122,43,255,.18);
    --ease:220ms ease;
  }
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    background:var(--bg);
    color:var(--ink-900);
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
  ul,ol{margin:0}
  :focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:8px}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 18px}
  @media (min-width:1024px){.container{padding:0 24px}}
  .skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:0 0 12px 0;font-size:14px;font-weight:600;z-index:99}
  .skip-link:focus{left:0}

  /* ---------- Header ---------- */
  .site-header{position:sticky;top:0;z-index:50;background:#fff;transition:box-shadow var(--ease),border-color var(--ease);border-bottom:1px solid transparent}
  .site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(23,10,46,.08)}
  .brand-inner{height:68px;display:flex;align-items:center;gap:18px}
  .logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;flex:0 0 auto}
  .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);display:grid;place-items:center;flex:0 0 auto;box-shadow:0 6px 16px rgba(122,43,255,.35)}
  .logo-mark svg{width:20px;height:20px}
  @media (max-width:400px){.logo-text{font-size:15px}.logo-mark{width:30px;height:30px}}
  .main-nav{display:none;flex:1;justify-content:center;gap:28px;font-size:15px;font-weight:600}
  @media (min-width:1024px){.main-nav{display:flex}}
  .main-nav a{position:relative;padding:6px 0;color:var(--ink-700);transition:color var(--ease)}
  .main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
  .main-nav a:hover{color:var(--brand-1)}
  .main-nav a:hover::after{transform:scaleX(1)}
  .main-nav a.active{color:var(--brand-1)}
  .main-nav a.active::after{transform:scaleX(1)}
  .brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  .icon-btn{width:42px;height:42px;border-radius:var(--r-pill);display:grid;place-items:center;color:var(--ink-700);border:1px solid var(--line);background:#fff;transition:all var(--ease)}
  .icon-btn:hover{color:var(--brand-1);border-color:var(--brand-1);transform:translateY(-2px)}
  .icon-btn svg{width:18px;height:18px}
  @media (min-width:1024px){.menu-toggle{display:none}}
  .channel-row{background:#F1ECFF;border-top:1px solid #EDE7FF;position:relative}
  .channel-inner{height:48px;display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
  .channel-inner::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto;padding:6px 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--ink-700);transition:all var(--ease);white-space:nowrap}
  .chip:hover{background:#fff;color:var(--brand-1)}
  .chip.is-active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(122,43,255,.28)}
  .channel-note{margin-left:auto;flex:0 0 auto;font-size:13px;color:var(--ink-500);display:none}
  @media (min-width:768px){.channel-note{display:block}}
  .mobile-drawer{display:none;background:#fff;border-top:1px solid var(--line)}
  .mobile-drawer.open{display:block}
  .mobile-drawer a{display:block;padding:14px 18px;font-size:16px;font-weight:600;color:var(--ink-700);border-bottom:1px solid var(--line)}
  .mobile-drawer a.active{color:var(--brand-1)}
  @media (min-width:1024px){.mobile-drawer{display:none !important}}

  /* ---------- Buttons / badges ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-pill);font-size:17px;font-weight:600;border:1px solid transparent;transition:all var(--ease);white-space:nowrap}
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(122,43,255,.28)}
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(122,43,255,.32)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.98)}
  .btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line)}
  .btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px)}
  .btn-line{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.32)}
  .btn-line:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
  .btn-white{background:#fff;color:var(--ink-900)}
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(23,10,46,.24)}
  .btn-sm{height:40px;padding:0 20px;font-size:14px}
  .btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-1);font-size:15px;font-weight:600}
  .btn-link span{transition:transform var(--ease)}
  .btn-link:hover span{transform:translateX(3px)}
  .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:12px;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
  .badge-lime{background:var(--lime);color:var(--ink-900)}
  .badge-grad{background:var(--grad);color:#fff}
  .badge-soft{background:#F1ECFF;color:var(--brand-1)}
  .badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.75}

  /* ---------- Banner ---------- */
  .cat-banner{
    position:relative;overflow:hidden;color:#fff;
    padding:52px 0 62px;
    background-image:
      linear-gradient(120deg,rgba(27,11,54,.94) 0%,rgba(46,15,94,.86) 48%,rgba(122,43,255,.62) 100%),
      url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
  }
  .banner-wrap{position:relative;display:grid;gap:40px;align-items:center}
  @media (min-width:1024px){.banner-wrap{grid-template-columns:1.05fr .95fr;gap:56px}}
  .crumb ol{display:flex;flex-wrap:wrap;align-items:center;list-style:none;padding:0;margin:0 0 18px;font-size:14px;color:rgba(255,255,255,.74)}
  .crumb li+li::before{content:"›";margin:0 8px;color:rgba(255,255,255,.5)}
  .crumb a:hover{color:#fff;text-decoration:underline}
  .banner-copy h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em;margin:0 0 16px}
  .banner-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:560px;margin:0 0 28px}
  .banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
  .banner-meta{display:flex;flex-wrap:wrap;gap:10px}
  .banner-visual{position:relative;max-width:520px;margin:0 auto;width:100%}
  .banner-card{background:#fff;border-radius:28px;padding:14px;box-shadow:0 26px 60px rgba(23,10,46,.38);transform:rotate(-1.5deg)}
  .banner-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px}
  .banner-card-body{padding:14px 8px 4px;color:var(--ink-900)}
  .banner-card-body p{margin:10px 0 0;font-size:14px;color:var(--ink-500);line-height:1.8}
  .banner-float{position:absolute;right:-6px;bottom:-20px;background:#fff;border-radius:20px;padding:14px 18px;display:flex;align-items:center;gap:12px;box-shadow:0 18px 42px rgba(23,10,46,.32)}
  .banner-float-num{font-size:28px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
  .banner-float-text{font-size:13px;color:var(--ink-500);max-width:92px;line-height:1.5}
  @media (max-width:420px){.banner-float{right:6px;bottom:-16px;padding:12px 14px}}

  /* ---------- Sections ---------- */
  .section{padding:56px 0}
  @media (min-width:768px){.section{padding:72px 0}}
  @media (min-width:1024px){.section{padding:88px 0}}
  .section-soft{background:var(--soft)}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
  .sec-title{position:relative;font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;margin:0;padding-left:16px}
  .sec-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:6px;border-radius:4px;background:var(--grad)}
  .sec-desc{margin:12px 0 0 16px;font-size:15px;color:var(--ink-500);max-width:660px}

  /* ---------- Index + list ---------- */
  .list-layout{display:grid;gap:32px}
  @media (min-width:1024px){.list-layout{grid-template-columns:246px 1fr;gap:56px;align-items:start}}
  .side-index{display:none}
  @media (min-width:1024px){
    .side-index{display:block;position:sticky;top:142px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}
  }
  .side-index h3{font-size:15px;font-weight:700;margin:0 0 14px}
  .side-index a{position:relative;display:block;padding:9px 12px 9px 16px;border-radius:10px;font-size:14px;color:var(--ink-700);transition:all var(--ease)}
  .side-index a::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--grad);opacity:0;transition:opacity var(--ease)}
  .side-index a:hover{background:#F7F3FF;color:var(--brand-1)}
  .side-index a.active{background:#F7F3FF;color:var(--brand-1);font-weight:600}
  .side-index a:hover::before,.side-index a.active::before{opacity:1}
  .side-index .side-tip{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-500);line-height:1.8}

  .codex{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:6px 26px;box-shadow:var(--shadow)}
  .codex-item{display:grid;grid-template-columns:auto 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--line);scroll-margin-top:150px}
  .codex-item:last-child{border-bottom:0}
  .codex-no{width:38px;height:38px;border-radius:var(--r-pill);background:var(--grad);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;box-shadow:0 8px 18px rgba(122,43,255,.28)}
  .codex-item h3{font-size:20px;line-height:1.4;font-weight:600;margin:0 0 8px}
  .codex-item p{margin:0 0 12px;font-size:15px;color:var(--ink-500);line-height:1.8}
  .tag-row{display:flex;flex-wrap:wrap;gap:8px}
  .tag{display:inline-flex;padding:4px 11px;border-radius:var(--r-pill);background:#F1ECFF;color:var(--brand-1);font-size:12px;font-weight:600}
  .tag-lime{background:rgba(201,242,77,.45);color:#3F5B00}

  /* ---------- Stats ---------- */
  .stat-band{background:#F1ECFF;border-radius:28px;padding:32px 28px;display:grid;gap:26px}
  @media (min-width:768px){.stat-band{grid-template-columns:repeat(3,1fr);padding:36px 40px}}
  .stat-num{font-size:clamp(30px,3.4vw,40px);font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
  .stat-label{margin-top:10px;font-size:13px;color:var(--ink-500)}

  /* ---------- Split feature ---------- */
  .split{display:grid;gap:32px;align-items:center}
  @media (min-width:1024px){.split{grid-template-columns:1.15fr .85fr;gap:56px}}
  .split-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
  .split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .split-body h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;margin:0 0 16px}
  .split-body p{margin:0 0 16px;font-size:16px;line-height:1.85;color:var(--ink-700)}
  .check-list{list-style:none;padding:0;margin:0 0 8px;display:grid;gap:12px}
  .check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-700)}
  .check-list li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;background:var(--grad);box-shadow:0 4px 10px rgba(122,43,255,.3)}
  .code-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
  .code-form input{flex:1 1 240px;height:48px;border-radius:12px;border:1px solid var(--line);padding:0 16px;font-size:15px;background:#fff;color:var(--ink-900);transition:border-color var(--ease),box-shadow var(--ease)}
  .code-form input::placeholder{color:var(--ink-500);font-size:14px}
  .code-form input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 2px rgba(122,43,255,.28)}
  .form-hint{margin:12px 0 0;font-size:13px;color:var(--ink-500)}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:16px}
  .faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow var(--ease)}
  .faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);opacity:0;transition:opacity var(--ease)}
  .faq-item:hover{box-shadow:var(--shadow)}
  .faq-item.open{box-shadow:var(--shadow)}
  .faq-item.open::before{opacity:1}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:17px;font-weight:600;text-align:left;color:var(--ink-900)}
  .faq-icon{position:relative;width:24px;height:24px;flex:0 0 auto;transition:transform var(--ease)}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-1);border-radius:2px}
  .faq-icon::before{left:3px;right:3px;top:11px;height:2px}
  .faq-icon::after{top:3px;bottom:3px;left:11px;width:2px}
  .faq-item.open .faq-icon{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 300ms ease;padding:0 24px}
  .faq-item.open .faq-a{padding-bottom:22px}
  .faq-a p{margin:0;font-size:15px;line-height:1.85;color:var(--ink-500)}

  /* ---------- CTA ---------- */
  .cta-band{position:relative;overflow:hidden;border-radius:32px;padding:40px 28px;color:#fff;background:linear-gradient(135deg,#1B0B36 0%,#2E0F5E 100%);display:grid;gap:26px}
  .cta-band::before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;top:-130px;left:-70px;background:radial-gradient(circle,rgba(255,77,141,.42),transparent 70%)}
  .cta-band::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;bottom:-170px;right:-90px;background:radial-gradient(circle,rgba(122,43,255,.5),transparent 70%)}
  .cta-band > *{position:relative;z-index:1}
  @media (min-width:1024px){.cta-band{grid-template-columns:1fr auto;align-items:center;padding:52px 48px}}
  .cta-band h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;margin:0 0 12px}
  .cta-band p{margin:0;font-size:15px;line-height:1.85;color:rgba(255,255,255,.8);max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
  .cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

  /* ---------- Footer ---------- */
  .site-footer{position:relative;overflow:hidden;margin-top:16px;padding:60px 0 28px;color:var(--ink-300);background:linear-gradient(160deg,#1B0B36 0%,#2E0F5E 100%)}
  .site-footer::before{content:"";position:absolute;width:320px;height:320px;border-radius:50%;top:-170px;right:-110px;background:radial-gradient(circle,rgba(122,43,255,.45),transparent 70%)}
  .footer-grid{position:relative;display:grid;gap:36px;grid-template-columns:1fr}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
  .footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);display:grid;place-items:center;flex:0 0 auto}
  .footer-brand .brand-mark svg{width:20px;height:20px}
  .site-footer h4{margin:0 0 14px;font-size:15px;font-weight:700;color:#fff}
  .site-footer ul{list-style:none;padding:0;display:grid;gap:10px}
  .site-footer p{margin:0;font-size:14px;line-height:1.9;max-width:340px}
  .site-footer a{font-size:14px;transition:color var(--ease)}
  .site-footer a:hover{color:#fff;text-decoration:underline}
  .footer-bottom{position:relative;margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--ink-300)}

  /* ---------- Mobile bar ---------- */
  .mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 18px;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 20px rgba(23,10,46,.08);transform:translateY(120%);transition:transform var(--ease)}
  .mobile-bar.show{transform:translateY(0)}
  .mobile-bar .bar-text{font-size:13px;color:var(--ink-500);line-height:1.4}
  .mobile-bar .bar-text strong{display:block;font-size:14px;color:var(--ink-900)}
  @media (min-width:1024px){.mobile-bar{display:none}}
  @media (max-width:1023px){body{padding-bottom:76px}}