/* roulang page: index */
:root{
  --c-primary:#6D3BF5;
  --c-primary-600:#5A2EDB;
  --c-primary-300:#9A6BFF;
  --c-secondary:#1FD8C8;
  --c-accent:#FFA62B;
  --ink-900:#0E0B1A;
  --ink-800:#16122A;
  --ink-700:#221B3D;
  --paper:#F7F5FB;
  --card:#FFFFFF;
  --t-900:#14111F;
  --t-600:#5B5570;
  --t-400:#8E88A3;
  --t-invert:#F4F1FF;
  --line:#E7E3F2;
  --line-dark:rgba(255,255,255,.12);
  --grad-brand:linear-gradient(118deg,#6D3BF5 0%,#9A6BFF 42%,#1FD8C8 100%);
  --grad-warm:linear-gradient(120deg,#FFA62B,#FF5C8A);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:ui-monospace,"DIN Alternate",Bahnschrift,Consolas,"Courier New",monospace;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,17,31,.06);
  --sh-2:0 12px 32px rgba(20,17,31,.10);
  --sh-glow:0 18px 48px rgba(109,59,245,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--t-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--c-primary-600);text-decoration:none;transition:color .16s ease}
a:hover{color:var(--c-secondary)}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:inherit;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(109,59,245,.35);outline-offset:2px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767px){.container{padding:0 16px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  height:64px;display:flex;align-items:center;
  background:transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(14,11,26,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-dark);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.brand-left{display:flex;align-items:center;gap:28px;min-width:0}
.brand{display:flex;align-items:center;gap:10px;color:var(--t-invert);font-size:19px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand:hover{color:var(--t-invert)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-brand);
  display:grid;grid-template-columns:repeat(2,1fr);gap:3px;padding:7px;flex:0 0 auto;
  box-shadow:0 8px 20px rgba(109,59,245,.4);
}
.brand-mark i{background:rgba(255,255,255,.92);border-radius:2px;display:block}
.brand-mark i:nth-child(3){grid-column:span 2}
.nav-x{display:flex;align-items:center;gap:4px}
.nav-link-x{
  position:relative;color:rgba(244,241,255,.8);font-size:15px;font-weight:500;
  padding:8px 12px;border-radius:var(--r-sm);white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:12px;right:calc(100% - 12px);bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-brand);transition:right .16s ease;
}
.nav-link-x:hover{color:#fff}
.nav-link-x:hover::after,.nav-link-x.active::after{right:12px}
.nav-link-x.active{color:#fff}
.header-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.search-pill{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 6px 0 16px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:rgba(244,241,255,.75);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-pill:focus-within{border-color:var(--c-primary-300);box-shadow:0 0 0 3px rgba(109,59,245,.28);background:rgba(255,255,255,.1)}
.search-pill svg{flex:0 0 auto;opacity:.75}
.search-pill input{
  border:0;background:transparent;outline:none;color:var(--t-invert);
  font-size:14px;width:132px;font-family:inherit;
}
.search-pill input::placeholder{color:rgba(244,241,255,.55)}
.search-pill button{
  border:0;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:13px;font-weight:600;cursor:pointer;
  transition:filter .2s ease,box-shadow .2s ease;
}
.search-pill button:hover{filter:brightness(1.08);box-shadow:var(--sh-glow)}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t-invert)}
.offcanvas.dark-panel{background:var(--ink-900);color:var(--t-invert);width:320px}
.offcanvas.dark-panel .offcanvas-header{border-bottom:1px solid var(--line-dark)}
.offcanvas.dark-panel .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.panel-nav{display:flex;flex-direction:column;gap:6px;padding:18px 0}
.panel-nav a{
  color:rgba(244,241,255,.86);padding:12px 14px;border-radius:var(--r-md);font-size:16px;font-weight:500;
  display:flex;align-items:center;justify-content:space-between;
}
.panel-nav a:hover,.panel-nav a.active{background:rgba(109,59,245,.18);color:#fff}
.panel-cta{margin-top:18px}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);border:0;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;box-shadow:0 10px 26px rgba(109,59,245,.28);
  transition:transform .2s cubic-bezier(.2,.7,.2,1),box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--sh-glow)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid var(--line);color:var(--t-900);background:transparent;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
}
.btn-ghost:hover{background:rgba(109,59,245,.08);border-color:var(--c-primary-300);color:var(--c-primary-600);transform:translateY(-2px)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.35);color:var(--t-invert)}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);color:#fff}
.btn-sm-x{padding:9px 18px;font-size:14px}

/* ============ 徽章 ============ */
.badge-stat{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-stat.on-light{border:1px solid rgba(109,59,245,.3);background:rgba(109,59,245,.08);color:var(--c-primary-600)}
.badge-stat.on-dark{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:var(--t-invert)}
.badge-warm{border:0;background:var(--grad-warm);color:#fff}
.badge-stat .num{font-size:13.5px}
.badge-soft{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(31,216,200,.14);color:#0f9d91;border:1px solid rgba(31,216,200,.3);
}
.chip-line{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--t-600);
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--c-secondary);display:inline-block}

/* ============ 首屏 ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  padding:120px 0 84px;
  min-height:clamp(520px,62vh,720px);
  display:flex;align-items:center;
}
.hero::before,.hero::after{
  content:"";position:absolute;width:640px;height:640px;border-radius:50%;pointer-events:none;
  filter:blur(10px);opacity:.16;
}
.hero::before{background:radial-gradient(circle,#6D3BF5 0%,transparent 65%);top:-220px;left:-160px}
.hero::after{background:radial-gradient(circle,#1FD8C8 0%,transparent 65%);bottom:-260px;right:-140px}
.hero .container{position:relative;z-index:2}
.hero h1{
  font-size:clamp(2.1rem,4.4vw,3.6rem);line-height:1.15;font-weight:700;color:#fff;
  letter-spacing:-.02em;
}
.hero h1 em{
  font-style:normal;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:22px;font-size:17.5px;line-height:1.7;color:rgba(244,241,255,.76);max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.hero-visual{position:relative}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:16/13;
  background:linear-gradient(140deg,rgba(109,59,245,.55),rgba(31,216,200,.15));
  box-shadow:0 28px 60px rgba(0,0,0,.45);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(109,59,245,.5),rgba(31,216,200,.12) 55%,rgba(14,11,26,.85) 100%);
}
.hero-media .media-cap{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;color:#fff;
  font-size:15px;font-weight:600;text-shadow:0 2px 12px rgba(0,0,0,.5);
}
.float-badge{
  position:absolute;z-index:3;display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(22,18,42,.92);border:1px solid rgba(255,255,255,.18);
  color:var(--t-invert);font-size:13px;font-weight:600;backdrop-filter:blur(8px);
  animation:floaty 6s ease-in-out infinite;
}
.float-badge b{font-family:var(--font-num);font-size:16px}
.float-badge.one{top:18px;right:-14px}
.float-badge.two{bottom:34px;left:-18px;animation-delay:1.4s;background:var(--grad-warm);border-color:transparent}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--ink-800);color:var(--t-invert)}
.section-dark .sec-desc{color:rgba(244,241,255,.68)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:22px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary-600);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.sec-title{font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.3}
.sec-desc{margin-top:12px;font-size:15.5px;color:var(--t-600);max-width:640px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-primary-600);
  background-image:linear-gradient(var(--c-secondary),var(--c-secondary));
  background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;
  padding-bottom:3px;transition:background-size .18s ease,color .16s ease;
}
.link-more:hover{color:var(--c-secondary);background-size:100% 2px}

/* ============ 卡片通用 ============ */
.card-x{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;
  transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s ease,border-color .22s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,245,.28)}
.media{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#6D3BF5,#1FD8C8);
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.card-x:hover .media img{transform:scale(1.04)}
.media-16x9{aspect-ratio:16/9}
.media-4x3{aspect-ratio:4/3}

/* 主题封面大卡 */
.cover-card{position:relative;border-radius:var(--r-xl);overflow:hidden;min-height:300px;display:block;background:var(--ink-700)}
.cover-card .media{position:absolute;inset:0}
.cover-card .media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,11,26,.12) 0%,rgba(14,11,26,.72) 62%,rgba(14,11,26,.94) 100%);
}
.cover-card .cover-body{position:relative;z-index:2;padding:26px;display:flex;flex-direction:column;justify-content:flex-end;height:100%;min-height:300px;color:#fff}
.cover-card .cover-title{font-size:1.25rem;line-height:1.4;font-weight:700}
.cover-card .cover-desc{margin-top:10px;font-size:14.5px;color:rgba(244,241,255,.74);line-height:1.65}
.cover-card .cover-tag{position:absolute;top:20px;right:20px;z-index:3}
.cover-card:hover .cover-title{color:var(--c-secondary)}
.cover-card.tall{min-height:420px}
.cover-card.tall .cover-body{min-height:420px}

/* 目录条目 */
.catalog-dir{
  position:sticky;top:88px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.catalog-dir h3{font-size:1.05rem;margin-bottom:6px}
.catalog-dir p{font-size:14px;color:var(--t-600);margin-top:8px}
.catalog-dir nav{margin-top:18px;display:flex;flex-direction:column;gap:4px}
.catalog-dir nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 12px;border-radius:var(--r-sm);font-size:14.5px;color:var(--t-600);font-weight:500;
  transition:background .18s ease,color .16s ease,padding-left .18s ease;
}
.catalog-dir nav a:hover{background:rgba(109,59,245,.08);color:var(--c-primary-600);padding-left:16px}
.catalog-dir nav a span{font-family:var(--font-num);font-size:13px;color:var(--t-400)}
.catalog-group{padding:8px 0}
.catalog-group + .catalog-group{border-top:1px solid var(--line);margin-top:14px;padding-top:22px}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.group-head h3{font-size:1.15rem}
.entry-list{display:flex;flex-direction:column;gap:6px}
.entry-item{
  position:relative;display:flex;align-items:flex-start;gap:14px;
  padding:14px 16px;border-radius:var(--r-md);background:var(--card);
  border:1px solid transparent;transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.entry-item::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:var(--grad-brand);opacity:0;transform:translateX(-4px);transition:opacity .2s ease,transform .2s ease;
}
.entry-item:hover{background:#fff;border-color:var(--line);transform:translateX(2px);box-shadow:var(--sh-1)}
.entry-item:hover::before{opacity:1;transform:translateX(0)}
.entry-no{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  background:rgba(109,59,245,.1);color:var(--c-primary-600);font-size:13px;font-weight:700;font-family:var(--font-num);
}
.entry-body{min-width:0;flex:1}
.entry-body h4{font-size:1.02rem;font-weight:600;line-height:1.5;color:var(--t-900)}
.entry-body p{margin-top:5px;font-size:14px;color:var(--t-600);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.entry-tail{flex:0 0 auto;align-self:center}

/* 精选条目 */
.feature-card{display:flex;flex-direction:column;height:100%}
.feature-card .media{aspect-ratio:16/10}
.feature-card .fc-body{padding:24px}
.feature-card .fc-title{font-size:1.28rem;line-height:1.45;font-weight:700}
.feature-card .fc-desc{margin-top:12px;font-size:15px;color:var(--t-600);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px;font-size:13px;color:var(--t-400)}
.meta-row .num{color:var(--t-600)}
.mini-card{display:flex;gap:16px;padding:16px;align-items:stretch}
.mini-card .media{flex:0 0 132px;border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;height:auto}
.mini-card .mc-body{min-width:0;display:flex;flex-direction:column;justify-content:center}
.mini-card .mc-body h4{font-size:1.02rem;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card .mc-body p{margin-top:6px;font-size:13.5px;color:var(--t-600);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card .mc-body .meta-row{margin-top:10px}

/* ============ 资讯列表（CMS） ============ */
.news-card{
  display:flex;flex-direction:column;height:100%;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,245,.28)}
.news-card .media img{transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.news-card:hover .media img{transform:scale(1.04)}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-title{font-size:1.1rem;line-height:1.5;font-weight:600;color:var(--t-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title{color:var(--c-primary-600)}
.news-desc{margin-top:10px;font-size:14.5px;color:var(--t-600);line-height:1.68;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card.feature .news-title{font-size:1.45rem;-webkit-line-clamp:3}
.news-card.feature .news-desc{-webkit-line-clamp:3;font-size:15.5px}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:18px;font-size:13px;color:var(--t-400)}
.news-meta .num{color:var(--t-600)}
.news-more{margin-left:auto;font-size:13.5px;font-weight:600;color:var(--c-primary-600)}
.empty-state{
  min-height:220px;border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:32px;
}
.empty-mark{
  width:64px;height:64px;border-radius:50%;background:var(--grad-brand);opacity:.9;
  display:grid;place-items:center;
}
.empty-mark svg{opacity:.95}
.empty-state p{font-size:15px;color:var(--t-600)}
.side-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1)}
.side-list h3{font-size:1.02rem;margin-bottom:14px}
.side-list li + li{border-top:1px solid var(--line)}
.side-list li a{display:flex;align-items:center;gap:12px;padding:12px 0;font-size:14.5px;color:var(--t-600)}
.side-list li a:hover{color:var(--c-primary-600)}
.side-list li a b{font-family:var(--font-num);color:var(--c-accent);font-size:14px;flex:0 0 auto}

/* ============ 数据徽章带 ============ */
.stat-band{
  background:var(--ink-900);border-radius:var(--r-xl);padding:34px 28px;
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;border:1px solid var(--line-dark);
}
.stat-cell{text-align:center;position:relative}
.stat-cell + .stat-cell::before{
  content:"";position:absolute;left:-9px;top:14%;bottom:14%;width:1px;background:var(--line-dark);
}
.stat-cell b{display:block;font-family:var(--font-num);font-size:clamp(1.5rem,2.6vw,2.1rem);color:#fff;line-height:1.1;font-weight:700}
.stat-cell span{display:block;margin-top:8px;font-size:13.5px;color:rgba(244,241,255,.62)}
.stat-cell b i{font-style:normal;font-size:.6em;color:var(--c-secondary);margin-left:3px}

/* ============ 横向推荐轨道 ============ */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(109,59,245,.3);border-radius:6px}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);border-left:2px solid transparent;
  background-image:linear-gradient(var(--card),var(--card)),linear-gradient(160deg,#6D3BF5,#1FD8C8);
  background-origin:border-box;background-clip:padding-box,border-box;
  transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s ease;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rail-card h4{font-size:1.04rem;font-weight:600;line-height:1.5}
.rail-card p{margin-top:10px;font-size:14px;color:var(--t-600);line-height:1.62;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card .meta-row{margin-top:14px}
.rail-nav{display:flex;gap:8px}
.rail-nav button{
  width:40px;height:40px;border-radius:50%;border:1.5px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;color:var(--t-600);
  transition:border-color .2s ease,color .16s ease,transform .2s ease,box-shadow .2s ease;
}
.rail-nav button:hover{border-color:var(--c-primary-300);color:var(--c-primary-600);box-shadow:var(--sh-1);transform:translateY(-2px)}

/* ============ CTA 深色块 ============ */
.cta-band{
  background:linear-gradient(118deg,#221B3D 0%,#0E0B1A 58%,#2A1F52 100%);
  border-radius:var(--r-xl);padding:44px 40px;color:var(--t-invert);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  border:1px solid var(--line-dark);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(31,216,200,.35),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:clamp(1.35rem,2.2vw,1.85rem);line-height:1.35;position:relative;z-index:2}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(244,241,255,.72);max-width:520px;position:relative;z-index:2}
.cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.seg-group{display:inline-flex;border-radius:var(--r-pill);overflow:hidden;border:1.5px solid rgba(255,255,255,.28)}
.seg-group button{
  border:0;background:transparent;color:rgba(244,241,255,.8);font-size:14px;font-weight:600;
  padding:11px 18px;cursor:pointer;transition:background .2s ease,color .16s ease;
}
.seg-group button + button{border-left:1px solid rgba(255,255,255,.2)}
.seg-group button:hover{background:rgba(255,255,255,.1);color:#fff}
.seg-group button.on{background:var(--grad-brand);color:#fff}

/* ============ FAQ ============ */
.faq{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;overflow:hidden;box-shadow:var(--sh-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 24px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:1.02rem;font-weight:600;color:var(--t-900);position:relative;
  transition:background .2s ease,color .16s ease;
}
.faq-q:hover{background:rgba(109,59,245,.05);color:var(--c-primary-600)}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s ease;
}
.faq-item.open .faq-q::before{opacity:1}
.faq-icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1.5px solid var(--line);transition:transform .28s ease,border-color .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary-600);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px;transition:opacity .2s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--c-primary-300);background:rgba(109,59,245,.08)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--t-600)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:var(--t-invert);padding:64px 0 0;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);opacity:.75;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff}
.footer-brand .brand-mark{width:28px;height:28px;border-radius:9px;padding:6px}
.footer-about{margin-top:16px;font-size:14.5px;line-height:1.8;color:rgba(244,241,255,.62);max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(244,241,255,.7);transition:color .16s ease,transform .18s ease;display:inline-block}
.footer-col a:hover{color:var(--c-secondary);transform:translateX(2px)}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line-dark);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(244,241,255,.55);
}
.footer-bottom .num{color:rgba(244,241,255,.72)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .search-pill input{width:104px}
  .nav-link-x{padding:8px 9px;font-size:14.5px}
  .nav-link-x::after{left:9px;right:calc(100% - 9px)}
  .nav-link-x:hover::after,.nav-link-x.active::after{right:9px}
}
@media (max-width:991.98px){
  .nav-x,.search-pill{display:none}
  .burger{display:flex}
  .hero{padding:104px 0 64px;min-height:auto}
  .hero-visual{margin-top:8px}
  .hero-media{aspect-ratio:16/11}
  .float-badge.one{right:8px}
  .float-badge.two{left:8px;bottom:20px}
  .stat-band{grid-template-columns:repeat(3,1fr);gap:24px}
  .stat-cell + .stat-cell::before{display:none}
  .catalog-dir{position:static;margin-bottom:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .sec-head{margin-bottom:28px}
  .cover-card,.cover-card.tall{min-height:280px}
  .cover-card .cover-body,.cover-card.tall .cover-body{min-height:280px;padding:22px}
  .feature-card .fc-body{padding:20px}
  .news-body{padding:18px}
  .cta-band{padding:32px 24px}
  .faq-q{padding:16px 18px;font-size:.98rem}
  .faq-a p{padding:0 18px 18px}
  .stat-band{grid-template-columns:repeat(2,1fr);padding:26px 20px}
  .mini-card{flex-direction:column}
  .mini-card .media{flex:none;width:100%;aspect-ratio:16/9}
  .rail-card{flex:0 0 260px}
}
@media (max-width:575.98px){
  .hero h1{font-size:1.95rem}
  .float-badge{display:none}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .entry-tail{display:none}
  .cta-actions{width:100%}
  .seg-group{width:100%}
  .seg-group button{flex:1}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --c-primary:#6D3BF5;
  --c-primary-600:#5A2EDB;
  --c-primary-300:#9A6BFF;
  --c-secondary:#1FD8C8;
  --c-accent:#FFA62B;
  --ink-900:#0E0B1A;
  --ink-800:#16122A;
  --ink-700:#221B3D;
  --paper:#F7F5FB;
  --card:#FFFFFF;
  --t-900:#14111F;
  --t-600:#5B5570;
  --t-400:#8E88A3;
  --t-invert:#F4F1FF;
  --line:#E7E3F2;
  --grad-brand:linear-gradient(118deg,#6D3BF5 0%,#9A6BFF 42%,#1FD8C8 100%);
  --grad-warm:linear-gradient(120deg,#FFA62B,#FF5C8A);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,17,31,.06);
  --sh-2:0 12px 32px rgba(20,17,31,.10);
  --sh-glow:0 18px 48px rgba(109,59,245,.28);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:ui-monospace,"DIN Alternate",Bahnschrift,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--t-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
::selection{background:rgba(109,59,245,.22)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(14,11,26,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.12);
}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.01em;flex:0 0 auto}
.brand-text{white-space:nowrap}
.brand-mark{display:inline-grid;grid-template-columns:repeat(3,6px);grid-template-rows:repeat(3,6px);gap:3px;padding:6px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}
.brand-mark i{display:block;width:6px;height:6px;border-radius:2px;background:var(--grad-brand)}
.brand-mark i:nth-child(2){opacity:.55}
.brand-mark i:nth-child(3){opacity:.8}
.nav-x{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link-x{position:relative;padding:8px 12px;font-size:15px;color:rgba(244,241,255,.78);border-radius:var(--r-pill);transition:color .16s ease}
.nav-link-x::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .16s ease}
.nav-link-x:hover{color:#fff}
.nav-link-x:hover::after{transform:scaleX(1)}
.nav-link-x.active{color:#fff}
.nav-link-x.active::after{transform:scaleX(1)}
.nav-link-x:focus-visible{outline:3px solid rgba(109,59,245,.5);outline-offset:2px}
.header-side{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-pill{display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);transition:border-color .2s,box-shadow .2s}
.search-pill:focus-within{border-color:var(--c-primary-300);box-shadow:0 0 0 3px rgba(109,59,245,.28)}
.search-pill i{color:rgba(244,241,255,.6);font-size:13px}
.search-pill input{width:168px;background:transparent;border:0;outline:none;color:#fff;font-size:14px}
.search-pill input::placeholder{color:rgba(244,241,255,.48)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:16px}
.nav-toggle:hover{background:rgba(255,255,255,.18)}

/* ---------- buttons ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 8px 20px rgba(109,59,245,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--sh-glow);color:#fff}
.btn-brand:active{transform:translateY(-1px)}
.btn-brand:focus-visible{outline:3px solid rgba(109,59,245,.4);outline-offset:2px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border-radius:var(--r-pill);border:1.5px solid var(--line);
  background:transparent;color:var(--t-900);font-weight:600;font-size:15px;
  transition:border-color .2s,background .2s,color .2s,transform .2s;
}
.btn-ghost:hover{border-color:var(--c-primary-300);background:rgba(109,59,245,.08);color:var(--c-primary-600);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:3px solid rgba(109,59,245,.35);outline-offset:2px}
.btn-dark-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border-radius:var(--r-pill);border:1.5px solid rgba(255,255,255,.35);
  background:transparent;color:var(--t-invert);font-weight:600;font-size:15px;
  transition:background .2s,border-color .2s,transform .2s;
}
.btn-dark-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}

/* ---------- read progress ---------- */
.progress-track{position:fixed;top:64px;left:0;width:100%;height:3px;z-index:1040;background:transparent;pointer-events:none}
.progress-bar-x{height:100%;width:0;background:var(--grad-brand);transition:width .08s linear}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);padding:16px 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--t-400)}
.crumb a{color:var(--t-400);transition:color .16s}
.crumb a:hover{color:var(--c-primary-600)}
.crumb .sep{opacity:.6}
.crumb .current{color:var(--t-900);font-weight:600}

/* ---------- article head ---------- */
.article-top{padding:40px 0 8px;background:linear-gradient(180deg,#fff 0%,var(--paper) 100%)}
.article-head{max-width:860px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--c-primary-600);text-transform:none;margin-bottom:14px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand);display:inline-block}
.article-head h1{
  font-size:clamp(1.7rem,3.2vw,2.5rem);
  line-height:1.25;
  font-weight:700;
  color:var(--t-900);
  letter-spacing:-.01em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:14px;color:var(--t-600)}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(109,59,245,.1);border:1px solid rgba(109,59,245,.22);
  color:var(--c-primary-600);font-size:12.5px;font-weight:600;
}
.meta-item{display:inline-flex;align-items:center;gap:6px;color:var(--t-600)}
.meta-item i{color:var(--t-400);font-size:12.5px}
.meta-item .num{color:var(--t-900);font-size:13.5px}
.head-rule{height:1px;margin:22px 0 20px;background:linear-gradient(90deg,rgba(109,59,245,.45),rgba(31,216,200,.35),rgba(231,227,242,.2))}
.head-tools{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.seg{display:inline-flex;align-items:center;border-radius:var(--r-pill);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1)}
.seg button{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border:0;background:transparent;color:var(--t-600);font-size:14px;font-weight:600;transition:background .18s,color .18s}
.seg button + button{border-left:1px solid var(--line)}
.seg button:hover{background:rgba(109,59,245,.08);color:var(--c-primary-600)}
.seg button.on{background:var(--grad-brand);color:#fff}
.seg button.on:hover{color:#fff}
.seg button:focus-visible{outline:3px solid rgba(109,59,245,.35);outline-offset:-3px}

/* ---------- reader ---------- */
.reader-wrap{padding:34px 0 10px}
.reader{max-width:820px}
.article-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:38px 42px 42px;box-shadow:var(--sh-1);
}
.article-body{font-size:16.5px;line-height:1.85;color:#241F36}
.article-body p{margin:0 0 20px}
.article-body h2{position:relative;margin:42px 0 16px;padding-left:16px;font-size:1.45rem;font-weight:700;line-height:1.45;color:var(--t-900)}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;background:var(--grad-brand)}
.article-body h3{margin:30px 0 12px;font-size:1.16rem;font-weight:600;color:var(--t-900)}
.article-body h4{margin:24px 0 10px;font-size:1.04rem;font-weight:600}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;list-style:revert}
.article-body li{margin:8px 0}
.article-body li::marker{color:var(--c-primary-300)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;border-left:4px solid var(--c-primary-300);
  background:rgba(109,59,245,.06);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--t-600);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:22px 0;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--t-400);text-align:center;margin-top:8px;line-height:1.6}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border:0;border-bottom:1px solid var(--line)}
.article-body thead th{background:rgba(109,59,245,.07);font-weight:600;color:var(--t-900)}
.article-body tbody tr:nth-child(even){background:#FAF9FE}
.article-body a{color:#0E8F86;text-decoration:underline;text-underline-offset:3px;transition:color .16s}
.article-body a:hover{color:var(--c-primary-600)}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0}
.article-body code{font-family:var(--font-num);font-size:.92em;background:rgba(109,59,245,.08);padding:2px 6px;border-radius:6px;color:var(--c-primary-600)}

/* ---------- empty ---------- */
.empty-state{
  max-width:600px;margin:0 auto;padding:52px 30px;text-align:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-1);
}
.empty-orb{width:76px;height:76px;margin:0 auto 20px;border-radius:50%;background:var(--grad-brand);position:relative;opacity:.92}
.empty-orb::after{content:"";position:absolute;inset:22px;border-radius:50%;border:2px solid rgba(255,255,255,.7)}
.empty-state h2{font-size:1.25rem;margin-bottom:10px}
.empty-state p{color:var(--t-600);font-size:15px;margin-bottom:22px}

/* ---------- action bar ---------- */
.action-bar{
  margin-top:34px;padding:20px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tag-label{font-size:13px;color:var(--t-400);margin-right:2px}
.tag{
  padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(31,216,200,.1);border:1px solid rgba(31,216,200,.32);
  color:#0E8F86;font-size:12.5px;font-weight:600;transition:background .18s,color .18s;
}
.tag:hover{background:rgba(31,216,200,.2);color:#0B6E68}

/* ---------- related ---------- */
.section{padding:72px 0}
.section-head{margin-bottom:32px}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary-600);margin-bottom:10px}
.section-head .kicker .bar{width:22px;height:3px;border-radius:3px;background:var(--grad-brand);display:inline-block}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem);letter-spacing:-.01em}
.section-head p{margin-top:10px;color:var(--t-600);font-size:15px;max-width:640px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s;
}
.rel-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--grad-brand);opacity:.85}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,11,26,0) 40%,rgba(14,11,26,.55) 100%)}
.rel-badge{
  position:absolute;left:14px;bottom:12px;z-index:2;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(14,11,26,.72);border:1px solid rgba(255,255,255,.24);
  color:var(--t-invert);font-size:12px;font-weight:600;backdrop-filter:blur(6px);
}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:1.04rem;line-height:1.5;font-weight:600}
.rel-body p{font-size:14px;color:var(--t-600);line-height:1.7}
.rel-more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--c-primary-600);display:inline-flex;align-items:center;gap:6px}
.rel-card:hover .rel-more{color:var(--c-secondary)}

/* ---------- back band ---------- */
.back-band{background:var(--ink-900);position:relative;overflow:hidden}
.back-band::before{content:"";position:absolute;width:420px;height:420px;left:-120px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(109,59,245,.42),transparent 68%)}
.back-band::after{content:"";position:absolute;width:380px;height:380px;right:-100px;bottom:-180px;border-radius:50%;background:radial-gradient(circle,rgba(31,216,200,.28),transparent 68%)}
.back-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;padding:56px 0}
.back-copy h2{color:#fff;font-size:clamp(1.35rem,2.3vw,1.85rem);margin-bottom:10px}
.back-copy p{color:rgba(244,241,255,.72);font-size:15px;max-width:520px}
.back-actions{display:flex;flex-wrap:wrap;gap:12px}
.badge-stat{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
  color:var(--t-invert);font-size:13px;font-weight:600;
}
.badge-stat .num{color:var(--c-accent);font-size:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:var(--t-invert);position:relative;padding:64px 0 28px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);opacity:.7}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-about{color:rgba(244,241,255,.68);font-size:14px;line-height:1.85;max-width:380px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(244,241,255,.7);font-size:14px;transition:color .16s,transform .16s;display:inline-block}
.footer-col a:hover{color:var(--c-secondary);transform:translateX(2px)}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  color:rgba(244,241,255,.55);font-size:13px;
}
.footer-bottom .num{color:rgba(244,241,255,.7)}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:1200;pointer-events:none}
.drawer.open{pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(14,11,26,.55);opacity:0;transition:opacity .26s ease}
.drawer.open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--ink-900);padding:22px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.2,1);
  border-left:1px solid rgba(255,255,255,.12);overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;color:#fff;font-weight:700}
.drawer-close{width:44px;height:44px;border-radius:14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:15px}
.drawer-close:hover{background:rgba(255,255,255,.2)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.drawer-link{padding:12px 14px;border-radius:var(--r-md);color:rgba(244,241,255,.8);font-size:15px;transition:background .18s,color .18s}
.drawer-link:hover{background:rgba(255,255,255,.08);color:#fff}
.drawer-link.active{background:rgba(109,59,245,.24);color:#fff;font-weight:600}
.drawer-cta{margin-top:auto}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .nav-x{display:none}
  .search-pill{display:none}
  .header-side .btn-brand{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:56px}
  .progress-track{top:56px}
  .article-shell{padding:30px 26px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:60px 0}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .article-top{padding:28px 0 6px}
  .article-head h1{font-size:1.6rem}
  .article-shell{padding:24px 18px 28px;border-radius:var(--r-lg)}
  .article-body{font-size:16px;line-height:1.82}
  .article-body h2{font-size:1.26rem;margin-top:34px}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .action-bar{padding:18px 16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .back-inner{padding:44px 0}
  .section{padding:52px 0}
}
@media (max-width:575.98px){
  .brand{font-size:15.5px}
  .meta-row{gap:10px}
  .seg button{padding:9px 13px;font-size:13px}
  .back-actions{width:100%}
  .back-actions .btn-brand,.back-actions .btn-dark-ghost{flex:1}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-primary:#6D3BF5;
  --c-primary-600:#5A2EDB;
  --c-primary-300:#9A6BFF;
  --c-secondary:#1FD8C8;
  --c-accent:#FFA62B;
  --ink-900:#0E0B1A;
  --ink-800:#16122A;
  --ink-700:#221B3D;
  --paper:#F7F5FB;
  --card:#FFFFFF;
  --t-900:#14111F;
  --t-600:#5B5570;
  --t-400:#8E88A3;
  --t-invert:#F4F1FF;
  --line:#E7E3F2;
  --line-invert:rgba(255,255,255,.12);
  --grad-brand:linear-gradient(118deg,#6D3BF5 0%,#9A6BFF 42%,#1FD8C8 100%);
  --grad-warm:linear-gradient(120deg,#FFA62B,#FF5C8A);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,17,31,.06);
  --sh-2:0 12px 32px rgba(20,17,31,.10);
  --sh-glow:0 18px 48px rgba(109,59,245,.28);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:ui-monospace,"DIN Alternate",Bahnschrift,Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--t-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease)}
a:hover{color:var(--c-secondary)}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(109,59,245,.35);outline-offset:2px;border-radius:6px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media(min-width:1400px){.container{max-width:1320px}}

/* ============ 页头导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  height:64px;display:flex;align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
}
.site-header.is-stuck{
  background:rgba(14,11,26,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-invert);
}
.nav-wrap{display:flex;align-items:center;gap:28px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.brand-mark i{display:block;width:5px;border-radius:3px}
.brand-mark i:nth-child(1){height:10px;background:var(--c-primary-300)}
.brand-mark i:nth-child(2){height:16px;background:var(--c-primary)}
.brand-mark i:nth-child(3){height:22px;background:var(--c-secondary)}
.brand-name{font-size:17px;font-weight:700;color:#fff;letter-spacing:.01em;white-space:nowrap}
.nav-x{display:flex;align-items:center;gap:6px;flex:1 1 auto}
.nav-link-x{
  position:relative;padding:8px 14px;font-size:15px;color:rgba(244,241,255,.78);
  border-radius:var(--r-sm);white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .16s var(--ease);
}
.nav-link-x:hover{color:#fff}
.nav-link-x:hover::after{transform:scaleX(1)}
.nav-link-x.active{color:#fff}
.nav-link-x.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-pill{
  display:flex;align-items:center;gap:8px;
  padding:6px 6px 6px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-pill:focus-within{border-color:var(--c-primary-300);box-shadow:0 0 0 3px rgba(109,59,245,.25)}
.search-pill i{color:rgba(244,241,255,.6);font-size:13px}
.search-pill input{
  width:132px;border:0;background:transparent;color:#fff;font-size:14px;outline:none;
}
.search-pill input::placeholder{color:rgba(244,241,255,.45)}
.search-pill button{
  border:0;cursor:pointer;border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;
  background:var(--grad-brand);color:#fff;
}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border:0;border-radius:var(--r-pill);cursor:pointer;
  font-size:15px;font-weight:600;color:#fff;background:var(--grad-brand);
  box-shadow:0 8px 20px rgba(109,59,245,.22);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-glow)}
.btn-brand:active{transform:translateY(0)}
.btn-brand.small{padding:9px 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:var(--r-pill);cursor:pointer;
  font-size:15px;font-weight:600;color:#fff;background:transparent;
  border:1.5px solid rgba(255,255,255,.35);
  transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-ghost:hover{background:rgba(109,59,245,.18);border-color:rgba(255,255,255,.6);color:#fff;transform:translateY(-2px)}
.btn-ghost.dark{color:var(--t-900);border-color:var(--line)}
.btn-ghost.dark:hover{background:rgba(109,59,245,.08);color:var(--c-primary-600);border-color:var(--c-primary-300)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-size:16px;
  align-items:center;justify-content:center;cursor:pointer;
}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:1100;pointer-events:none;
}
.drawer-mask{
  position:absolute;inset:0;background:rgba(14,11,26,.6);opacity:0;transition:opacity .25s var(--ease);
}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--ink-900);border-left:1px solid var(--line-invert);
  padding:20px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .28s var(--ease);
}
.drawer.open{pointer-events:auto}
.drawer.open .drawer-mask{opacity:1}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-head .brand-name{font-size:16px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-invert);
  background:transparent;color:#fff;font-size:16px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:13px 14px;border-radius:var(--r-md);color:rgba(244,241,255,.82);font-size:15px;
  border:1px solid transparent;
}
.drawer-nav a:hover{background:rgba(109,59,245,.16);color:#fff}
.drawer-nav a.active{background:rgba(109,59,245,.22);border-color:rgba(154,107,255,.5);color:#fff}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;background:var(--ink-900);
  padding:120px 0 68px;
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.cat-hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(14,11,26,.96) 0%,rgba(22,18,42,.88) 44%,rgba(109,59,245,.42) 100%);
}
.cat-hero-inner{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(244,241,255,.6);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:rgba(244,241,255,.6)}
.crumb a:hover{color:var(--c-secondary)}
.crumb span.sep{color:rgba(244,241,255,.35)}
.crumb span.now{color:#fff}
.cat-hero h1{
  font-size:clamp(1.85rem,3.5vw,2.85rem);line-height:1.2;color:#fff;margin-bottom:16px;letter-spacing:-.015em;
}
.cat-hero h1 em{
  font-style:normal;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero .lead{font-size:17px;line-height:1.8;color:rgba(244,241,255,.78);max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.badge-stat{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:rgba(244,241,255,.9);
}
.badge-stat .num{font-size:14px;color:#fff}
.badge-stat.accent{background:rgba(255,166,43,.14);border-color:rgba(255,166,43,.4);color:#FFD79A}
.badge-stat.accent .num{color:var(--c-accent)}
.badge-stat.light{background:#fff;border-color:var(--line);color:var(--t-600)}
.badge-stat.light .num{color:var(--c-primary-600)}
.hero-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-glow);aspect-ratio:16/11;background:var(--grad-brand)}
.hero-visual img{width:100%;height:100%;object-fit:cover;opacity:.94}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(109,59,245,.5),rgba(31,216,200,.12) 55%,rgba(14,11,26,.72));
}
.hero-float{
  position:absolute;left:-14px;bottom:22px;z-index:3;
  background:#fff;border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-2);
  animation:floatY 6s ease-in-out infinite;
}
.hero-float .lbl{display:block;font-size:12px;color:var(--t-400);letter-spacing:.02em}
.hero-float .val{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--c-primary-600)}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.band-dark{background:var(--ink-800);color:var(--t-invert)}
.band-dark h2,.band-dark h3{color:#fff}
.band-soft{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(1.5rem,2.4vw,2.05rem);line-height:1.3}
.sec-head .sub{margin-top:10px;font-size:15px;color:var(--t-600);max-width:620px}
.band-dark .sec-head .sub{color:rgba(244,241,255,.68)}
.sec-more{font-size:14.5px;font-weight:600;color:var(--c-primary-600);display:inline-flex;align-items:center;gap:6px}
.sec-more:hover{color:var(--c-secondary)}
.band-dark .sec-more{color:var(--c-secondary)}
.tag{
  display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(109,59,245,.09);color:var(--c-primary-600);border:1px solid rgba(109,59,245,.18);
}
.tag.cyan{background:rgba(31,216,200,.12);color:#0E9C90;border-color:rgba(31,216,200,.32)}
.tag.amber{background:rgba(255,166,43,.14);color:#B06A00;border-color:rgba(255,166,43,.34)}
.tag.dark{background:rgba(255,255,255,.08);color:rgba(244,241,255,.86);border-color:rgba(255,255,255,.18)}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 28px;box-shadow:var(--sh-1);
}
.stat-item{display:flex;flex-direction:column;gap:4px;border-left:2px solid transparent;padding-left:16px}
.stat-item:first-child{border-left-color:var(--c-primary)}
.stat-item:nth-child(2){border-left-color:var(--c-secondary)}
.stat-item:nth-child(3){border-left-color:var(--c-accent)}
.stat-item:nth-child(4){border-left-color:var(--c-primary-300)}
.stat-item .k{font-size:13px;color:var(--t-400)}
.stat-item .v{font-family:var(--font-num);font-size:26px;font-weight:700;line-height:1.1;color:var(--t-900)}
.stat-item .v small{font-size:13px;font-weight:600;color:var(--t-400);margin-left:4px}

/* ============ 条目卡片 ============ */
.entry-lg{
  display:grid;grid-template-columns:44% 56%;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);height:100%;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.entry-lg:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.entry-lg .thumb{position:relative;overflow:hidden;background:var(--grad-brand);min-height:210px}
.entry-lg .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.entry-lg:hover .thumb img{transform:scale(1.04)}
.entry-lg .thumb .flag{
  position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(14,11,26,.72);color:#fff;font-size:12px;font-weight:600;backdrop-filter:blur(6px);
}
.entry-lg .body{padding:24px 26px;display:flex;flex-direction:column;gap:12px}
.entry-lg .body h3{font-size:1.16rem;line-height:1.5}
.entry-lg .body h3 a:hover{color:var(--c-primary-600)}
.entry-lg .body p{font-size:14.5px;color:var(--t-600);line-height:1.72}
.entry-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--t-400)}
.entry-meta .read{color:var(--c-primary-600);font-weight:600}

/* ============ 侧栏榜单 ============ */
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card + .side-card{margin-top:22px}
.side-card h3{font-size:1.05rem;margin-bottom:6px}
.side-card .hint{font-size:13px;color:var(--t-400);margin-bottom:16px}
.rank-list li + li{border-top:1px dashed var(--line)}
.rank-item{display:flex;gap:14px;align-items:flex-start;padding:14px 0;position:relative;transition:padding-left .2s var(--ease)}
.rank-item:hover{padding-left:6px}
.rank-item::before{
  content:"";position:absolute;left:-14px;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s var(--ease);
}
.rank-item:hover::before{opacity:1}
.rank-no{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13px;font-weight:700;
  background:rgba(109,59,245,.1);color:var(--c-primary-600);
}
.rank-item:nth-child(1) .rank-no{background:var(--grad-warm);color:#fff}
.rank-item:nth-child(2) .rank-no{background:rgba(255,166,43,.2);color:#B06A00}
.rank-txt{flex:1 1 auto;min-width:0}
.rank-txt a{display:block;font-size:14.5px;font-weight:600;line-height:1.5;margin-bottom:4px}
.rank-txt a:hover{color:var(--c-primary-600)}
.rank-txt span{font-size:12.5px;color:var(--t-400)}
.rank-heat{font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--c-accent);flex:0 0 auto}

/* ============ 场景卡 ============ */
.scene-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.scene-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,245,.14),transparent 70%);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-ico{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(109,59,245,.1);color:var(--c-primary-600);font-size:18px;margin-bottom:16px;
}
.scene-card h3{font-size:1.08rem;margin-bottom:10px}
.scene-card p{font-size:14.5px;color:var(--t-600)}
.scene-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.scene-list li{display:flex;gap:8px;font-size:14px;color:var(--t-600);align-items:flex-start}
.scene-list li i{color:var(--c-secondary);font-size:12px;margin-top:7px}

/* ============ 横向推荐轨道 ============ */
.rail{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rail-card{
  display:flex;gap:14px;align-items:center;
  background:var(--ink-700);border:1px solid var(--line-invert);border-radius:var(--r-md);
  padding:16px;transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(154,107,255,.55)}
.rail-card .rthumb{
  width:78px;height:62px;flex:0 0 auto;border-radius:var(--r-sm);overflow:hidden;background:var(--grad-brand);
}
.rail-card .rthumb img{width:100%;height:100%;object-fit:cover}
.rail-card .rtxt{min-width:0}
.rail-card .rtxt strong{display:block;font-size:14.5px;color:#fff;font-weight:600;line-height:1.5;margin-bottom:4px}
.rail-card .rtxt span{font-size:12.5px;color:rgba(244,241,255,.6)}
.rail-card .rtxt em{display:block;font-style:normal;font-family:var(--font-num);font-size:12.5px;color:var(--c-secondary);margin-top:6px}

/* ============ FAQ ============ */
.faq-x{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--t-900);position:relative;
  transition:background .2s var(--ease);
}
.faq-q:hover{background:rgba(109,59,245,.04)}
.faq-item.open .faq-q{color:var(--c-primary-600)}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad-brand);
}
.faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;position:relative;
  background:rgba(109,59,245,.1);
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary-600);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-ico::before{width:12px;height:2px}
.faq-ico::after{width:2px;height:12px;transition:opacity .25s var(--ease)}
.faq-item.open .faq-ico{transform:rotate(180deg);background:var(--grad-brand)}
.faq-item.open .faq-ico::before{background:#fff}
.faq-item.open .faq-ico::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 26px 22px;font-size:15px;line-height:1.85;color:var(--t-600)}

/* ============ CTA ============ */
.cta-block{
  background:linear-gradient(120deg,var(--ink-900) 0%,var(--ink-800) 52%,rgba(109,59,245,.6) 100%);
  border-radius:var(--r-xl);padding:44px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-block::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,216,200,.22),transparent 70%);
}
.cta-block h2{font-size:clamp(1.35rem,2.2vw,1.85rem);color:#fff;margin-bottom:10px;position:relative;z-index:2}
.cta-block p{color:rgba(244,241,255,.72);font-size:15px;max-width:560px;position:relative;z-index:2}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}
.icon-pill{display:inline-flex;border-radius:var(--r-pill);overflow:hidden;border:1px solid rgba(255,255,255,.24)}
.icon-pill button{
  border:0;background:transparent;color:rgba(244,241,255,.86);padding:11px 18px;font-size:14px;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-pill button + button{border-left:1px solid rgba(255,255,255,.18)}
.icon-pill button:hover{background:rgba(109,59,245,.28);color:#fff}
.icon-pill button.on{background:var(--grad-brand);color:#fff}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);color:var(--t-invert);padding:64px 0 28px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);opacity:.7;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.85;color:rgba(244,241,255,.66);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(244,241,255,.7);display:inline-block;transition:color .16s var(--ease),transform .16s var(--ease)}
.footer-col a:hover{color:var(--c-secondary);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid var(--line-invert);padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(244,241,255,.52);
}
.footer-bottom .num{color:rgba(244,241,255,.42)}

/* ============ 响应式 ============ */
@media(max-width:1399px){
  .rail{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:1199px){
  .nav-wrap{gap:18px}
  .search-pill input{width:96px}
  .entry-lg{grid-template-columns:40% 60%}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:22px}
}
@media(max-width:991px){
  .nav-x{display:none}
  .search-pill{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .cat-hero{padding:104px 0 56px}
  .hero-visual{margin-top:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .rail{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .entry-lg{grid-template-columns:1fr}
  .entry-lg .thumb{min-height:190px}
  .cta-block{padding:30px 22px}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .stat-strip{padding:20px;grid-template-columns:1fr 1fr}
  .rail{grid-template-columns:1fr}
  .hero-float{left:12px}
}
@media(max-width:575px){
  .hero-float{display:none}
  .hero-badges{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
  .badge-stat{flex:0 0 auto}
  .footer-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --c-primary:#6D3BF5;
  --c-primary-600:#5A2EDB;
  --c-primary-300:#9A6BFF;
  --c-secondary:#1FD8C8;
  --c-accent:#FFA62B;
  --ink-900:#0E0B1A;
  --ink-800:#16122A;
  --ink-700:#221B3D;
  --paper:#F7F5FB;
  --card:#FFFFFF;
  --t-900:#14111F;
  --t-600:#5B5570;
  --t-400:#8E88A3;
  --t-invert:#F4F1FF;
  --line:#E7E3F2;
  --line-dark:rgba(255,255,255,.12);
  --grad-brand:linear-gradient(118deg,#6D3BF5 0%,#9A6BFF 42%,#1FD8C8 100%);
  --grad-warm:linear-gradient(120deg,#FFA62B,#FF5C8A);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:ui-monospace,"DIN Alternate",Bahnschrift,Consolas,monospace;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,17,31,.06);
  --sh-2:0 12px 32px rgba(20,17,31,.10);
  --sh-glow:0 18px 48px rgba(109,59,245,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--t-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .16s ease}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.container{max-width:1240px;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1320px}}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--ink-800);color:var(--t-invert)}
.section-dark .section-sub{color:rgba(244,241,255,.68)}
.section-head{max-width:720px;margin-bottom:34px}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2.1rem)}
.section-sub{margin-top:12px;color:var(--t-600);font-size:15px;line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary-600);
  background:rgba(109,59,245,.09);
  border:1px solid rgba(109,59,245,.18);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-brand)}
.section-dark .eyebrow{color:#D7CBFF;background:rgba(154,107,255,.16);border-color:rgba(154,107,255,.3)}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(14,11,26,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-dark);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(10,7,22,.42)}
.header-inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:grid;grid-template-columns:repeat(2,8px);gap:3px}
.brand-mark i{display:block;width:8px;height:8px;border-radius:3px;background:var(--grad-brand)}
.brand-mark i:nth-child(2){background:linear-gradient(120deg,#1FD8C8,#9A6BFF)}
.brand-mark i:nth-child(3){background:linear-gradient(120deg,#FFA62B,#6D3BF5)}
.brand-name{font-size:1.08rem;font-weight:700;color:var(--t-invert);letter-spacing:.01em}
.nav-x{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link-x{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  color:rgba(244,241,255,.72);
  border-radius:var(--r-sm);
  white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .16s ease;
}
.nav-link-x:hover{color:var(--t-invert)}
.nav-link-x:hover::after{transform:scaleX(1)}
.nav-link-x.active{color:#fff;font-weight:600}
.nav-link-x.active::after{transform:scaleX(1)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-pill{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 6px 0 16px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-pill:focus-within{border-color:var(--c-primary-300);box-shadow:0 0 0 3px rgba(109,59,245,.3)}
.search-pill svg{flex:0 0 auto;opacity:.6}
.search-pill input{
  width:150px;border:0;background:transparent;outline:none;
  color:var(--t-invert);font-size:14px;
}
.search-pill input::placeholder{color:rgba(244,241,255,.45)}
.search-pill button{
  height:30px;padding:0 14px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:13px;font-weight:600;
  cursor:pointer;transition:filter .18s ease;
}
.search-pill button:hover{filter:brightness(1.08)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;
  box-shadow:0 8px 22px rgba(109,59,245,.24);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);filter:brightness(1.06);color:#fff}
.btn-brand:active{transform:translateY(1px)}
.btn-brand:focus-visible{outline:3px solid rgba(109,59,245,.35);outline-offset:2px}
.btn-brand.btn-compact{padding:9px 20px;font-size:14px;box-shadow:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:var(--r-pill);
  border:1.5px solid var(--line);background:transparent;
  color:var(--t-900);font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,border-color .18s ease,transform .18s ease,color .18s ease;
}
.btn-ghost:hover{background:rgba(109,59,245,.08);border-color:var(--c-primary-300);color:var(--c-primary-600);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:3px solid rgba(109,59,245,.35);outline-offset:2px}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.35);color:var(--t-invert)}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);color:#fff}
.nav-toggle{display:none}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--ink-900);border-bottom:1px solid var(--line-dark)}
.crumb{display:flex;align-items:center;gap:10px;padding:14px 0;font-size:14px;color:rgba(244,241,255,.5)}
.crumb a:hover{color:var(--c-secondary)}
.crumb .sep{color:rgba(244,241,255,.3)}
.crumb .current{color:var(--t-invert);font-weight:600}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--t-invert);
  padding:88px 0 64px;
}
.cat-hero::before,.cat-hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.cat-hero::before{width:520px;height:520px;top:-220px;left:-140px;background:radial-gradient(circle,rgba(109,59,245,.30),transparent 68%)}
.cat-hero::after{width:460px;height:460px;bottom:-240px;right:-120px;background:radial-gradient(circle,rgba(31,216,200,.22),transparent 68%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,58fr) minmax(0,42fr);gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(2rem,3.6vw,2.9rem);line-height:1.18;margin-bottom:18px}
.hero-copy h1 .accent{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;line-height:1.8;color:rgba(244,241,255,.72);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.badge-stat{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:rgba(244,241,255,.92);
}
.badge-stat .num{font-size:14px;color:#fff}
.badge-stat.is-accent{border-color:rgba(255,166,43,.45);background:rgba(255,166,43,.14);color:#FFD79A}
.badge-stat.is-accent .num{color:#FFD79A}
.hero-visual{position:relative}
.hero-figure{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  aspect-ratio:16/10;
  background:var(--grad-brand);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 26px 60px rgba(6,4,16,.55);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(109,59,245,.55),rgba(31,216,200,.12) 46%,rgba(14,11,26,.86) 100%);
}
.hero-tag{
  position:absolute;left:18px;bottom:18px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(14,11,26,.72);
  border:1px solid rgba(255,255,255,.18);
  font-size:13px;font-weight:600;color:#fff;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.float-badge{
  position:absolute;z-index:4;
  display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;border-radius:var(--r-md);
  background:#fff;color:var(--t-900);
  box-shadow:var(--sh-2);
  animation:floatY 6s ease-in-out infinite;
}
.float-badge .fb-label{font-size:12px;color:var(--t-400)}
.float-badge .fb-value{font-family:var(--font-num);font-size:1.15rem;font-weight:700;color:var(--c-primary-600)}
.float-badge.fb-a{top:-18px;right:-10px}
.float-badge.fb-b{bottom:-20px;left:-14px;animation-delay:1.6s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ---------- filter bar ---------- */
.filter-wrap{margin-top:-28px;position:relative;z-index:5}
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:14px 16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
}
.filter-label{font-size:13px;font-weight:600;color:var(--t-400);padding:0 6px 0 4px}
.filter-btn{
  padding:8px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--t-600);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.filter-btn:hover{border-color:var(--c-primary-300);color:var(--c-primary-600);background:rgba(109,59,245,.06)}
.filter-btn.is-active{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:0 6px 18px rgba(109,59,245,.26)}
.filter-btn:focus-visible{outline:3px solid rgba(109,59,245,.35);outline-offset:2px}
.filter-note{margin-left:auto;font-size:13px;color:var(--t-400)}

/* ---------- content cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card-x{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s cubic-bezier(.2,.7,.2,1),border-color .22s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,245,.24)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad-brand)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.card-x:hover .card-cover img{transform:scale(1.04)}
.card-cover .tag-float{
  position:absolute;left:12px;top:12px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(14,11,26,.72);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.card-body h3{font-size:1.05rem;font-weight:600;line-height:1.5;margin-bottom:10px}
.card-body p{font-size:14px;line-height:1.75;color:var(--t-600)}
.card-foot{
  margin-top:auto;padding-top:16px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  border-top:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--c-primary-600);
  background:rgba(109,59,245,.08);
  border:1px solid rgba(109,59,245,.18);
}
.chip.chip-cyan{color:#0E8D84;background:rgba(31,216,200,.14);border-color:rgba(31,216,200,.35)}
.chip.chip-amber{color:#A8600A;background:rgba(255,166,43,.16);border-color:rgba(255,166,43,.4)}
.time-mono{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;color:var(--t-400)}
.entry-link{font-size:14px;font-weight:600;color:var(--c-primary-600);display:inline-flex;align-items:center;gap:6px}
.entry-link::after{content:"→";transition:transform .18s ease}
.card-x:hover .entry-link::after{transform:translateX(3px)}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:36px}
.step-card{
  position:relative;
  padding:26px 24px 24px;
  border-radius:var(--r-lg);
  background:var(--ink-700);
  border:1px solid var(--line-dark);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(154,107,255,.5)}
.step-num{
  font-family:var(--font-num);font-size:1.6rem;font-weight:700;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:12px;display:block;
}
.step-card h3{font-size:1.05rem;font-weight:600;color:#fff;margin-bottom:10px}
.step-card p{font-size:14px;line-height:1.75;color:rgba(244,241,255,.68)}
.step-card .step-meta{
  margin-top:16px;display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:#C0F6EF;
  border:1px solid rgba(31,216,200,.35);
  background:rgba(31,216,200,.1);
  padding:4px 12px;border-radius:var(--r-pill);
}

/* ---------- rank + related ---------- */
.split-2{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:28px;align-items:start}
.rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.rank-item{
  display:flex;align-items:flex-start;gap:16px;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:rgba(109,59,245,.04)}
.rank-no{
  flex:0 0 auto;width:30px;height:30px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:14px;
  background:rgba(109,59,245,.1);color:var(--c-primary-600);
}
.rank-item:nth-child(-n+3) .rank-no{background:var(--grad-warm);color:#fff}
.rank-main h4{font-size:1rem;font-weight:600;margin-bottom:6px;line-height:1.5}
.rank-main p{font-size:13.5px;color:var(--t-600);line-height:1.7}
.rank-meta{margin-left:auto;text-align:right;flex:0 0 auto}
.rank-meta .num{font-family:var(--font-num);font-size:1.05rem;font-weight:700;color:var(--c-primary-600);display:block}
.rank-meta span{font-size:12px;color:var(--t-400)}
.pick-card{
  background:var(--ink-800);color:var(--t-invert);
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-dark);
}
.pick-card .pick-cover{aspect-ratio:16/10;overflow:hidden;background:var(--grad-brand)}
.pick-card .pick-cover img{width:100%;height:100%;object-fit:cover}
.pick-card .pick-body{padding:24px}
.pick-card h3{font-size:1.15rem;color:#fff;margin-bottom:10px;line-height:1.5}
.pick-card p{font-size:14px;color:rgba(244,241,255,.7);line-height:1.78}
.pick-card .badge-row{margin-top:18px}
.pick-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.pick-list a{
  font-size:14px;color:rgba(244,241,255,.78);
  padding-left:14px;position:relative;transition:color .16s ease,padding-left .16s ease;
}
.pick-list a::before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:var(--c-secondary)}
.pick-list a:hover{color:#fff;padding-left:18px}

/* ---------- related rail ---------- */
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.mini-card{
  display:flex;flex-direction:column;gap:12px;
  padding:22px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);
  border-left:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),linear-gradient(180deg,#6D3BF5,#1FD8C8);
  background-origin:border-box;background-clip:padding-box,border-box;
  transition:transform .2s ease,box-shadow .2s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.mini-card h3{font-size:1rem;font-weight:600;line-height:1.5}
.mini-card p{font-size:13.5px;color:var(--t-600);line-height:1.7}
.mini-card .mini-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t-400)}

/* ---------- FAQ ---------- */
.faq-x{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.faq-x .accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.faq-x .accordion-item:first-child{border-top:0}
.faq-x .accordion-button{
  position:relative;width:100%;
  padding:20px 28px;background:transparent;
  font-size:1.02rem;font-weight:600;color:var(--t-900);
  box-shadow:none;border-radius:0;
}
.faq-x .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--grad-brand);
  opacity:0;transition:opacity .2s ease;
}
.faq-x .accordion-button:not(.collapsed){color:var(--c-primary-600);background:rgba(109,59,245,.045)}
.faq-x .accordion-button:not(.collapsed)::before{opacity:1}
.faq-x .accordion-button:focus{box-shadow:none;outline:3px solid rgba(109,59,245,.35);outline-offset:-3px}
.faq-x .accordion-button::after{
  content:"";flex:0 0 auto;width:11px;height:11px;margin-left:auto;
  background:none;background-image:none;border:0;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);position:relative;top:-3px;
  transition:transform .25s ease,top .25s ease;
}
.faq-x .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);top:2px}
.faq-x .accordion-body{padding:0 28px 24px;font-size:15px;line-height:1.85;color:var(--t-600)}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--ink-900);color:var(--t-invert);
  padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-block::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(109,59,245,.34),transparent 66%);
  border-radius:50%;pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:640px}
.cta-copy h2{font-size:clamp(1.5rem,2.3vw,2rem);color:#fff;margin-bottom:12px}
.cta-copy p{color:rgba(244,241,255,.7);font-size:15px;line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.share-group{
  display:inline-flex;align-items:center;
  border-radius:var(--r-pill);overflow:hidden;
  border:1px solid rgba(255,255,255,.24);
}
.share-group button{
  padding:10px 18px;background:transparent;border:0;
  border-left:1px solid rgba(255,255,255,.16);
  color:rgba(244,241,255,.8);font-size:13.5px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.share-group button:first-child{border-left:0}
.share-group button:hover{background:rgba(255,255,255,.12);color:#fff}
.share-group button.is-on{background:var(--grad-brand);color:#fff}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--ink-900);color:var(--t-invert);
  padding:64px 0 26px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:var(--grad-brand);opacity:.75;
}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.4fr));gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.85;color:rgba(244,241,255,.64);max-width:380px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{
  font-size:14px;color:rgba(244,241,255,.7);
  display:inline-block;transition:color .16s ease,transform .16s ease;
}
.footer-col a:hover{color:var(--c-secondary);transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(244,241,255,.5);
}
.footer-bottom .num{color:rgba(244,241,255,.42)}
.img-fail{display:none}

/* ---------- responsive ---------- */
@media (max-width:1399.98px){
  .grid-3{gap:20px}
}
@media (max-width:1199.98px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .header-inner{gap:16px}
  .search-pill input{width:110px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .cat-hero{padding:72px 0 56px}
  .hero-figure{aspect-ratio:16/9}
  .float-badge.fb-a{top:auto;bottom:16px;right:16px}
  .float-badge.fb-b{display:none}
  .split-2{grid-template-columns:1fr}
  .cta-block{flex-direction:column;align-items:flex-start;padding:38px 32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
  .nav-x{
    order:3;width:100%;margin:0;padding:10px 0;
    overflow-x:auto;flex-wrap:nowrap;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .nav-x::-webkit-scrollbar{display:none}
  .header-inner{height:auto;flex-wrap:wrap;padding:12px 0}
  .brand{order:1}
  .header-right{order:2}
  .search-pill{display:none}
  .filter-note{display:none}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .grid-3{grid-template-columns:1fr;gap:16px}
  .step-grid{grid-template-columns:1fr;gap:16px}
  .related-grid{grid-template-columns:1fr}
  .hero-actions{gap:10px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{flex:1 1 100%}
  .badge-row{
    flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;
    scrollbar-width:none;
  }
  .badge-row::-webkit-scrollbar{display:none}
  .badge-stat{flex:0 0 auto}
  .filter-bar{border-radius:var(--r-lg);flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .filter-bar::-webkit-scrollbar{display:none}
  .filter-btn{flex:0 0 auto}
  .filter-label{flex:0 0 auto}
  .rank-item{flex-wrap:wrap;padding:18px}
  .rank-meta{margin-left:46px;text-align:left}
  .cta-block{padding:30px 22px;border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
}
@media (max-width:575.98px){
  .cat-hero{padding:56px 0 48px}
  .hero-copy h1{font-size:1.72rem}
  .float-badge{display:none}
  .faq-x .accordion-button{padding:18px 20px;font-size:.98rem}
  .faq-x .accordion-body{padding:0 20px 20px}
  .brand-name{font-size:1rem}
  .btn-brand.btn-compact{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .card-x:hover,.mini-card:hover,.step-card:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --c-primary:#6D3BF5;
  --c-primary-600:#5A2EDB;
  --c-primary-300:#9A6BFF;
  --c-secondary:#1FD8C8;
  --c-accent:#FFA62B;
  --ink-900:#0E0B1A;
  --ink-800:#16122A;
  --ink-700:#221B3D;
  --paper:#F7F5FB;
  --card:#FFFFFF;
  --t-900:#14111F;
  --t-600:#5B5570;
  --t-400:#8E88A3;
  --t-invert:#F4F1FF;
  --line:#E7E3F2;
  --grad-brand:linear-gradient(118deg,#6D3BF5 0%,#9A6BFF 42%,#1FD8C8 100%);
  --grad-warm:linear-gradient(120deg,#FFA62B,#FF5C8A);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,17,31,.06);
  --sh-2:0 12px 32px rgba(20,17,31,.10);
  --sh-glow:0 18px 48px rgba(109,59,245,.28);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:ui-monospace,"DIN Alternate",Bahnschrift,Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--t-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(109,59,245,.35);outline-offset:2px;border-radius:6px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1200px){.container{max-width:1240px}}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767.98px){.container{padding-left:16px;padding-right:16px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1035;
  background:rgba(14,11,26,.94);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(14,11,26,.35)}
.header-inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t-invert);font-weight:700;font-size:17px;letter-spacing:.01em;flex:0 0 auto}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;height:16px}
.brand-mark i{display:block;width:4px;border-radius:2px}
.brand-mark i:nth-child(1){height:16px;background:var(--c-primary-300)}
.brand-mark i:nth-child(2){height:11px;background:var(--c-secondary)}
.brand-mark i:nth-child(3){height:14px;background:var(--c-accent)}
.nav-x{display:flex;align-items:center;gap:4px}
.nav-link-x{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:rgba(244,241,255,.72);
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-link-x:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link-x.active{color:#fff;font-weight:600}
.nav-link-x.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--grad-brand);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-pill{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);
  padding:7px 14px;
  color:rgba(244,241,255,.66);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-pill i{font-size:13px}
.search-pill input{
  background:transparent;border:0;outline:0;color:#fff;
  width:180px;font-size:14px;
}
.search-pill input::placeholder{color:rgba(244,241,255,.5)}
.search-pill:focus-within{border-color:var(--c-primary-300);box-shadow:0 0 0 3px rgba(109,59,245,.28)}
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--grad-brand);color:#fff;border:0;
  border-radius:var(--r-pill);padding:11px 22px;
  font-size:15px;font-weight:600;
  box-shadow:0 6px 20px rgba(109,59,245,.28);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
  white-space:nowrap;
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);filter:brightness(1.06);color:#fff}
.btn-brand:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  border:1.5px solid rgba(255,255,255,.35);
  border-radius:var(--r-pill);padding:10px 20px;
  font-size:15px;font-weight:600;color:var(--t-invert);
  background:transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:rgba(109,59,245,.14);border-color:var(--c-primary-300);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost-light{
  display:inline-flex;align-items:center;gap:8px;
  border:1.5px solid var(--line);border-radius:var(--r-pill);
  padding:10px 20px;font-size:15px;font-weight:600;color:var(--t-900);
  background:#fff;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost-light:hover{background:rgba(109,59,245,.07);border-color:var(--c-primary-300);transform:translateY(-2px)}
.btn-ghost-light:active{transform:translateY(1px)}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.16)}
.mobile-nav{background:var(--ink-900);color:var(--t-invert);border-left:1px solid rgba(255,255,255,.12);width:320px}
.mobile-nav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8;width:28px;height:28px}
.mobile-nav .offcanvas-body{padding:18px 20px}
.mobile-nav .m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 6px;border-bottom:1px solid rgba(255,255,255,.10);
  color:rgba(244,241,255,.86);font-size:16px;
}
.mobile-nav .m-link:hover{color:var(--c-secondary)}
.mobile-nav .m-link.active{color:#fff;font-weight:600}
.mobile-nav .m-link.active span.dot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand)}
.mobile-nav .m-cta{margin-top:22px;display:grid;gap:10px}
.mobile-nav .search-pill{width:100%}
.mobile-nav .search-pill input{width:100%}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;overflow:hidden;background:var(--ink-900);color:var(--t-invert);padding:64px 0 60px;min-height:380px}
.cat-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.30}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(14,11,26,.96) 0%,rgba(22,18,42,.88) 50%,rgba(109,59,245,.42) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.crumb{font-size:14px;color:rgba(244,241,255,.62);margin-bottom:16px}
.crumb a{color:rgba(244,241,255,.62);transition:color .16s var(--ease)}
.crumb a:hover{color:var(--c-secondary)}
.crumb .sep{margin:0 8px;opacity:.6}
.crumb .now{color:#fff}
.cat-hero h1{
  font-size:clamp(1.9rem,3.6vw,3rem);
  line-height:1.2;font-weight:700;letter-spacing:-.01em;
  margin-bottom:16px;max-width:20em;
}
.cat-hero .lead{font-size:17px;line-height:1.75;color:rgba(244,241,255,.78);max-width:34em;margin-bottom:24px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.badge-stat{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid rgba(255,255,255,.20);
  background:rgba(255,255,255,.08);
  color:var(--t-invert);
  white-space:nowrap;
}
.badge-stat .num{font-size:14px}
.badge-stat i{font-size:12px;opacity:.85}
.badge-stat.is-accent{border-color:rgba(255,166,43,.5);background:rgba(255,166,43,.16);color:#FFD9A0}
.badge-stat.is-cyan{border-color:rgba(31,216,200,.45);background:rgba(31,216,200,.14);color:#9BF3EA}
.badge-stat.on-light{border-color:var(--line);background:#fff;color:var(--t-600)}
.badge-stat.on-light .num{color:var(--t-900)}
.cat-hero-figure{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.42);
  background:linear-gradient(140deg,var(--c-primary),var(--c-secondary));
  aspect-ratio:16/11;
}
.cat-hero-figure img{width:100%;height:100%;object-fit:cover}
.cat-hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,11,26,0) 40%,rgba(14,11,26,.55) 100%)}
.cat-hero-figure figcaption{
  position:absolute;left:18px;bottom:16px;z-index:2;
  font-size:13px;color:rgba(244,241,255,.86);letter-spacing:.02em;
}

/* ============ 通用板块 ============ */
.section{padding:84px 0}
.section.is-tight{padding:64px 0}
.section.is-dark{background:var(--ink-800);color:var(--t-invert)}
.section.is-dark .section-head p{color:rgba(244,241,255,.7)}
.section.is-dark .section-head h2{color:#fff}
.section-head{margin-bottom:36px;max-width:780px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(109,59,245,.10);
  margin-bottom:14px;
}
.section.is-dark .eyebrow{background:rgba(154,107,255,.18);color:var(--c-primary-300)}
.section-head h2{
  font-size:clamp(1.5rem,2.4vw,2.05rem);
  line-height:1.3;font-weight:700;letter-spacing:-.01em;margin-bottom:12px;
}
.section-head p{font-size:16px;color:var(--t-600);line-height:1.8}
.section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--c-primary);
  position:relative;
}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:0;background:var(--c-secondary);transition:width .16s var(--ease)}
.text-link:hover{color:var(--c-secondary)}
.text-link:hover::after{width:100%}

/* 节奏信息卡 */
.info-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;height:100%;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,245,.28)}
.info-card .ic-icon{
  width:44px;height:44px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(109,59,245,.10);color:var(--c-primary);
  font-size:18px;margin-bottom:16px;
}
.info-card h3{font-size:1.12rem;font-weight:600;margin-bottom:10px}
.info-card p{font-size:14.5px;color:var(--t-600);line-height:1.75}
.info-card .ic-meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(31,216,200,.12);color:#0E8C81;
  border:1px solid rgba(31,216,200,.28);
}
.tag.is-purple{background:rgba(109,59,245,.10);color:var(--c-primary-600);border-color:rgba(109,59,245,.24)}
.tag.is-accent{background:rgba(255,166,43,.14);color:#A96400;border-color:rgba(255,166,43,.34)}

/* ============ 时间轴 ============ */
.tl{position:relative;padding-left:30px}
.tl::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-secondary));
  opacity:.32;border-radius:2px;
}
.tl-item{position:relative;margin-bottom:18px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:26px;
  width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);
  box-shadow:0 0 0 4px rgba(109,59,245,.10);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-item.is-done::before{border-color:var(--t-400);box-shadow:0 0 0 4px rgba(142,136,163,.12)}
.tl-item.is-live::before{border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(255,166,43,.16)}
.entry{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.entry:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,245,.3)}
.entry-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.entry-time{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:700;color:var(--t-900);
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--paper);border:1px solid var(--line);
}
.entry-time i{color:var(--c-primary);font-size:12px}
.entry h3{font-size:1.13rem;font-weight:600;line-height:1.5;margin-bottom:8px;transition:color .18s var(--ease)}
.entry:hover h3{color:var(--c-primary-600)}
.entry p{font-size:14.5px;color:var(--t-600);line-height:1.78;margin-bottom:14px}
.entry-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.entry-foot .meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.entry-more{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.entry-more i{transition:transform .2s var(--ease)}
.entry:hover .entry-more i{transform:translateX(4px)}

/* 右侧徽章组 */
.side-panel{position:sticky;top:88px;display:grid;gap:20px}
.panel-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
}
.panel-card h3{font-size:1.05rem;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.panel-card h3 i{color:var(--c-primary);font-size:15px}
.stat-list{display:grid;gap:12px}
.stat-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:var(--r-md);
  background:var(--paper);border:1px solid var(--line);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.stat-row:hover{border-color:rgba(109,59,245,.3);background:#fff}
.stat-row .label{font-size:14px;color:var(--t-600)}
.stat-row .value{font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--t-900)}
.stat-row .value small{font-size:12px;color:var(--t-400);font-weight:600;margin-left:3px}
.link-list{display:grid;gap:2px}
.link-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 4px;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--t-600);
  transition:color .16s var(--ease),padding-left .16s var(--ease);
}
.link-list a:last-child{border-bottom:0}
.link-list a i{font-size:12px;color:var(--t-400);transition:transform .16s var(--ease),color .16s var(--ease)}
.link-list a:hover{color:var(--c-primary);padding-left:8px}
.link-list a:hover i{color:var(--c-primary);transform:translateX(3px)}
.notify-form{display:grid;gap:10px}
.notify-form label{font-size:13px;font-weight:600;color:var(--t-600)}
.notify-form .field{
  display:flex;align-items:center;gap:8px;
  border:1.5px solid var(--line);border-radius:var(--r-sm);
  background:#fff;padding:9px 12px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.notify-form .field i{color:var(--t-400);font-size:13px}
.notify-form .field input{border:0;outline:0;background:transparent;width:100%;font-size:14.5px;color:var(--t-900)}
.notify-form .field input::placeholder{color:var(--t-400)}
.notify-form .field:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(109,59,245,.16)}
.notify-form .field.is-error{border-color:#E0407A;box-shadow:0 0 0 3px rgba(224,64,122,.14)}
.notify-form .field.is-ok{border-color:var(--c-secondary);box-shadow:0 0 0 3px rgba(31,216,200,.16)}
.notify-form .hint{font-size:12.5px;color:var(--t-400);line-height:1.6}
.notify-form .hint.is-error{color:#C42C63}
.notify-form .hint.is-ok{color:#0E8C81}
.notify-form .btn-brand{width:100%;justify-content:center}

/* ============ 榜单 ============ */
.rank-main{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:linear-gradient(140deg,var(--c-primary),#2B1B63 60%,var(--c-secondary));
  min-height:360px;display:flex;align-items:flex-end;
  box-shadow:var(--sh-2);
}
.rank-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.rank-main .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,11,26,.10) 20%,rgba(14,11,26,.86) 100%)}
.rank-main .inner{position:relative;z-index:2;padding:30px;color:var(--t-invert);width:100%}
.rank-main .rank-no{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.08em;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,166,43,.2);border:1px solid rgba(255,166,43,.5);color:#FFD9A0;
  margin-bottom:14px;
}
.rank-main h3{font-size:1.4rem;font-weight:700;line-height:1.4;margin-bottom:10px}
.rank-main p{font-size:14.5px;color:rgba(244,241,255,.78);line-height:1.75;margin-bottom:16px}
.rank-side{display:grid;gap:20px}
.rank-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rank-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,59,245,.28)}
.rank-item .thumb{
  flex:0 0 84px;width:84px;height:84px;border-radius:var(--r-md);overflow:hidden;
  background:linear-gradient(140deg,var(--c-primary),var(--c-secondary));
}
.rank-item .thumb img{width:100%;height:100%;object-fit:cover}
.rank-item .rank-no-sm{
  font-family:var(--font-num);font-size:12px;font-weight:700;color:var(--c-accent);
  letter-spacing:.06em;margin-bottom:6px;display:block;
}
.rank-item h4{font-size:1.02rem;font-weight:600;line-height:1.5;margin-bottom:6px}
.rank-item p{font-size:13.8px;color:var(--t-600);line-height:1.7;margin-bottom:10px}
.rank-item .meta{display:flex;gap:8px;flex-wrap:wrap}

/* ============ 数据带 ============ */
.stat-band{background:var(--ink-800);border-radius:var(--r-xl);padding:34px 30px;color:var(--t-invert);position:relative;overflow:hidden}
.stat-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,216,200,.28),transparent 70%);
}
.stat-band .grid{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.stat-band .cell{text-align:left}
.stat-band .cell .figure{font-family:var(--font-num);font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:700;line-height:1.1;color:#fff}
.stat-band .cell .figure small{font-size:.55em;font-weight:600;color:rgba(244,241,255,.6);margin-left:4px}
.stat-band .cell .cap{margin-top:6px;font-size:13.5px;color:rgba(244,241,255,.66)}

/* ============ FAQ ============ */
.faq-x{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--sh-1)}
.faq-x .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.faq-x .accordion-item:last-child{border-bottom:0}
.faq-x .accordion-button{
  position:relative;background:transparent;color:var(--t-900);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:20px 56px 20px 24px;box-shadow:none!important;
}
.faq-x .accordion-button:not(.collapsed){color:var(--c-primary-600);background:rgba(109,59,245,.04)}
.faq-x .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease);
}
.faq-x .accordion-button:not(.collapsed)::before{opacity:1}
.faq-x .accordion-button::after{
  width:12px;height:12px;background-image:none;margin-left:auto;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);transition:transform .25s var(--ease),border-color .2s var(--ease);
}
.faq-x .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--c-secondary)}
.faq-x .accordion-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--t-600)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--t-invert);
  border-radius:var(--r-xl);padding:44px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;left:-60px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,245,.45),transparent 68%);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-110px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,216,200,.28),transparent 70%);
}
.cta-band .cta-text{position:relative;z-index:2;max-width:560px}
.cta-band h2{font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:700;line-height:1.35;margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(244,241,255,.75);line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.seg{display:inline-flex;border-radius:var(--r-pill);overflow:hidden;border:1px solid rgba(255,255,255,.22)}
.seg a{
  display:inline-flex;align-items:center;gap:7px;
  padding:11px 16px;font-size:14px;color:rgba(244,241,255,.82);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.seg a+a{border-left:1px solid rgba(255,255,255,.16)}
.seg a:hover{background:rgba(255,255,255,.12);color:#fff}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);color:var(--t-invert);
  padding:60px 0 26px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);opacity:.7;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.8;color:rgba(244,241,255,.62);max-width:34em}
.footer-col h4{font-size:14.5px;font-weight:600;margin-bottom:16px;color:#fff;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(244,241,255,.7);
  transition:color .16s var(--ease),transform .16s var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:var(--c-secondary);transform:translateX(2px)}
.footer-bottom{
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,241,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .search-pill input{width:130px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .stat-band .grid{grid-template-columns:repeat(3,1fr);row-gap:26px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .cat-hero{padding:52px 0 48px;min-height:auto}
  .cat-hero-figure{margin-top:30px;aspect-ratio:16/10}
  .side-panel{position:static}
  .stat-band .grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:34px 26px}
}
@media (max-width:767.98px){
  .header-inner{height:56px;gap:14px}
  .brand{font-size:16px}
  .stat-band .grid{grid-template-columns:repeat(2,1fr)}
  .rank-main{min-height:300px}
  .rank-item .thumb{flex:0 0 68px;width:68px;height:68px}
  .faq-x .accordion-button{padding:18px 48px 18px 18px;font-size:15px}
  .faq-x .accordion-body{padding:0 18px 20px}
}
@media (max-width:575.98px){
  .section{padding:56px 0}
  .badge-row{gap:8px}
  .badge-stat{font-size:12px;padding:6px 11px}
  .cta-band{padding:28px 20px;border-radius:var(--r-lg)}
  .cta-actions{width:100%}
  .cta-actions .btn-brand{width:100%;justify-content:center}
  .seg{width:100%}
  .seg a{flex:1;justify-content:center}
  .stat-band{padding:26px 20px;border-radius:var(--r-lg)}
  .stat-band .grid{grid-template-columns:1fr 1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .entry{padding:18px}
  .tl{padding-left:24px}
  .tl-item::before{left:-24px;width:16px;height:16px;top:22px}
  .tl::before{left:7px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .info-card:hover,.entry:hover,.rank-item:hover,.btn-brand:hover,.btn-ghost:hover,.btn-ghost-light:hover{transform:none}
}