/* roulang page: index */
:root{
  --brand-1:#6E2BE0;
  --brand-2:#B026C9;
  --brand-3:#FF5D2E;
  --grad:linear-gradient(108deg,#6E2BE0 0%,#B026C9 46%,#FF5D2E 100%);
  --mint:#00C9A7;
  --amber:#FFB223;
  --ink:#17112A;
  --paper:#F7F4EF;
  --alt:#F1ECFA;
  --card:#FFFFFF;
  --text:#16121F;
  --muted:#5D566E;
  --line:#E7E1F2;
  --line-dark:rgba(255,255,255,.12);
  --r-lg:26px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:10px;
  --sh-1:0 2px 8px rgba(23,17,42,.06);
  --sh-2:0 18px 40px -18px rgba(23,17,42,.28);
  --sec:88px;
  --sidebar-w:236px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;background:transparent}
a:hover{color:var(--brand-1)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
h1,h2,h3,h4{line-height:1.35;font-weight:800;letter-spacing:-.3px}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}

/* ============ 应用外壳 ============ */
.app-shell{position:relative;min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--ink);
  border-right:1px solid transparent;
  background-image:linear-gradient(180deg,#17112A 0%,#1D1435 60%,#17112A 100%);
  display:flex;flex-direction:column;
  padding:22px 16px 18px;z-index:120;
  overflow-y:auto;
}
.sidebar::after{
  content:"";position:absolute;top:0;right:0;width:1px;height:100%;
  background:linear-gradient(180deg,rgba(110,43,224,.75),rgba(176,38,201,.35) 50%,rgba(255,93,46,.55));
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 20px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:17px;letter-spacing:-1px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{color:#fff;font-size:15px;font-weight:800;letter-spacing:-.2px}
.brand-sub{color:rgba(255,255,255,.5);font-size:11.5px;font-weight:400;letter-spacing:.4px}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:4px}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  height:46px;padding:0 12px;border-radius:12px;
  color:rgba(255,255,255,.72);font-size:15px;font-weight:500;
  transition:background .22s ease,color .22s ease,padding .22s ease;
}
.side-nav a i{width:18px;font-size:15px;text-align:center;opacity:.9}
.side-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:20px;border-radius:2px;background:var(--grad);
  transition:transform .22s ease;
}
.side-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side-nav a:hover::before{transform:translateY(-50%) scaleY(1)}
.side-nav a.active{
  background:var(--grad);color:#fff;font-weight:700;
  box-shadow:0 10px 24px -14px rgba(110,43,224,.9);
}
.side-nav a.active::before{display:none}
.side-promo{
  margin-top:auto;margin-bottom:16px;
  background:var(--grad);border-radius:18px;padding:16px 14px;color:#fff;
}
.side-promo h4{font-size:15px;color:#fff;margin-bottom:6px}
.side-promo p{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.85);margin-bottom:12px}
.side-promo .promo-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;color:var(--brand-1);font-size:13px;font-weight:700;
  padding:7px 14px;border-radius:999px;transition:transform .2s ease;
}
.side-promo .promo-btn:hover{transform:translateY(-2px);color:var(--brand-1)}
.side-foot{font-size:11.5px;color:rgba(255,255,255,.42);line-height:1.8;padding:0 4px}

.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:100;
  display:none;align-items:center;gap:12px;
  height:56px;padding:0 14px;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.topbar.scrolled{box-shadow:0 6px 18px -12px rgba(23,17,42,.5)}
.topbar .icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s ease;
}
.topbar .icon-btn:hover{background:var(--alt)}
.topbar .tb-brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:15px;color:var(--ink)}
.topbar .tb-brand .dot{width:10px;height:10px;border-radius:50%;background:var(--grad)}
.topbar .tb-cta{
  margin-left:auto;background:var(--grad);color:#fff;font-size:13px;font-weight:700;
  padding:8px 14px;border-radius:999px;
}
.sidebar-mask{
  position:fixed;inset:0;background:rgba(23,17,42,.55);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:110;
}
.sidebar-mask.show{opacity:1;visibility:visible}
.sidebar-close{
  display:none;position:absolute;top:16px;right:14px;width:36px;height:36px;
  border-radius:10px;border:1px solid var(--line-dark);background:transparent;
  color:rgba(255,255,255,.8);cursor:pointer;
}

/* ============ 容器与通用 ============ */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section.alt{background:var(--alt)}
.section.dark{background:var(--ink);color:#fff}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.h2{
  position:relative;padding-left:16px;font-size:clamp(24px,2.6vw,31px);
  font-weight:700;letter-spacing:-.4px;
}
.h2::before{
  content:"";position:absolute;left:0;top:.24em;width:4px;height:22px;
  border-radius:2px;background:var(--grad);
}
.section.dark .h2{color:#fff}
.section-desc{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px}
.section.dark .section-desc{color:rgba(255,255,255,.68)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;
  color:var(--brand-1);border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.text-link:hover{border-color:var(--brand-1);color:var(--brand-1)}
.section.dark .text-link{color:#fff}
.section.dark .text-link:hover{border-color:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background-image:var(--grad);background-size:200% 100%;background-position:0 0;
  color:#fff;box-shadow:0 12px 26px -16px rgba(110,43,224,.95);
}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 0;color:#fff;box-shadow:0 18px 34px -16px rgba(176,38,201,.8)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-1)}
.btn-outline:hover{background:var(--alt);border-color:#D9CDF6;color:var(--brand-1);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:13.5px}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--r-xs);
  font-size:12.5px;font-weight:700;line-height:1.7;
}
.badge-amber{background:rgba(255,178,35,.16);color:#8A5A00}
.badge-mint{background:rgba(0,201,167,.14);color:#006F5C}
.badge-violet{background:rgba(110,43,224,.12);color:#4B1CA8}
.badge-solid{background:var(--grad);color:#fff}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#17112A 0%,#241440 52%,#3A1140 100%);
  padding:calc(var(--sec) - 8px) 0 var(--sec);
}
.hero::before{
  content:"";position:absolute;left:-14%;top:-30%;width:128%;height:96%;
  background:linear-gradient(108deg,rgba(110,43,224,.62),rgba(176,38,201,.36) 46%,rgba(255,93,46,.3));
  filter:blur(70px);transform:rotate(-7deg);opacity:.85;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(circle at 28% 26%,#000 0%,transparent 72%);
  mask-image:radial-gradient(circle at 28% 26%,#000 0%,transparent 72%);
}
.hero .container{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid var(--line-dark);
  font-size:13px;color:rgba(255,255,255,.9);margin-bottom:22px;
}
.hero-tag .live-dot{
  width:8px;height:8px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 4px rgba(0,201,167,.22);animation:pulse 2.2s infinite;
}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,201,167,.4)}70%{box-shadow:0 0 0 9px rgba(0,201,167,0)}100%{box-shadow:0 0 0 0 rgba(0,201,167,0)}}
.hero h1{
  font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:800;
  letter-spacing:-.5px;color:#fff;margin-bottom:20px;
}
.hero h1 .grad-text{
  background:linear-gradient(100deg,#FFB223,#FF7A4D 60%,#FF5D2E);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.75);
  max-width:560px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;border-radius:16px;
  background:rgba(255,255,255,.07);border:1px solid var(--line-dark);
  min-width:126px;
}
.stat-chip .num{
  font-size:21px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--amber);letter-spacing:-.5px;
}
.stat-chip.mint .num{color:var(--mint)}
.stat-chip .lbl{font-size:12px;color:rgba(255,255,255,.62)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line-dark);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.8);
}
.hero-badge{
  position:absolute;left:18px;bottom:18px;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(23,17,42,.78);border:1px solid var(--line-dark);
  color:#fff;font-size:13px;font-weight:700;
  padding:8px 16px;border-radius:999px;backdrop-filter:blur(6px);
}
.hero-badge i{color:var(--amber)}

/* ============ 直播预告主板块 ============ */
.live-section{background:var(--ink);color:#fff;padding:var(--sec) 0}
.live-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:36px;align-items:start}
.live-cover{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-dark);background:#221636;
}
.live-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.live-cover .corner{
  position:absolute;left:16px;top:16px;
  background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;
  padding:5px 14px;border-radius:var(--r-xs);
}
.countdown{
  position:absolute;right:16px;bottom:16px;
  display:grid;grid-template-columns:repeat(4,minmax(56px,1fr));gap:8px;
  padding:12px;border-radius:var(--r-sm);
  background:rgba(23,17,42,.72);border:1px solid var(--line-dark);
  backdrop-filter:blur(8px);
}
.cd-cell{display:flex;flex-direction:column;align-items:center;gap:2px}
.cd-num{
  font-size:clamp(22px,2.4vw,32px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;color:var(--amber);letter-spacing:-1px;
}
.cd-label{font-size:11.5px;color:rgba(255,255,255,.6)}
.live-note{color:rgba(255,255,255,.62);font-size:13.5px;margin-top:14px}
.points{margin-top:22px;border-top:1px solid var(--line-dark)}
.point{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line-dark);
}
.point .idx{
  flex:0 0 46px;font-size:22px;font-weight:800;line-height:1.4;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(108deg,#B026C9,#FF5D2E);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.point h3{font-size:16px;color:#fff;margin-bottom:4px;font-weight:700}
.point p{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.75}
.subscribe-box{
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  border-radius:var(--r-md);padding:22px;margin-top:26px;
}
.subscribe-box h3{font-size:17px;color:#fff;margin-bottom:6px}
.subscribe-box .sub-desc{font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:16px}
.inline-form{display:flex;gap:10px;flex-wrap:wrap}
.inline-form input{
  flex:1 1 200px;min-width:0;height:48px;padding:0 20px;
  border-radius:999px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.08);color:#fff;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.inline-form input::placeholder{color:rgba(255,255,255,.42)}
.inline-form input:focus{
  outline:none;border-color:var(--brand-2);
  box-shadow:0 0 0 4px rgba(176,38,201,.25);
}
.form-tip{font-size:12.5px;color:rgba(255,255,255,.46);margin-top:10px}
.form-ok{
  display:none;margin-top:12px;font-size:13.5px;font-weight:600;
  color:var(--mint);align-items:center;gap:8px;
}
.form-ok.show{display:flex}
/* 回放卡带 */
.replay-strip{margin-top:34px}
.replay-strip h3{font-size:17px;color:#fff;margin-bottom:14px}
.scroller{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:10px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.scroller::-webkit-scrollbar{display:none}
.replay-card{
  flex:0 0 260px;scroll-snap-align:start;
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  border-radius:var(--r-md);overflow:hidden;
  transition:transform .2s ease,border-color .2s ease;
}
.replay-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.28)}
.replay-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.replay-card .rc-body{padding:14px 16px 16px}
.replay-card .rc-date{font-size:12px;color:var(--amber);font-weight:700;font-variant-numeric:tabular-nums}
.replay-card h4{font-size:14.5px;color:#fff;margin:6px 0 12px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.replay-card .rc-link{font-size:13px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:2px}
.replay-card .rc-link:hover{color:var(--mint);border-color:var(--mint)}

/* ============ 功能一览 ============ */
.feature-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.feature-list{margin-top:26px}
.feature-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.feature-item:last-child{border-bottom:none}
.feature-item .fi-icon{
  flex:0 0 46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(110,43,224,.1);color:var(--brand-1);font-size:17px;
}
.feature-item h3{font-size:16.5px;margin-bottom:4px}
.feature-item p{font-size:14.5px;color:var(--muted);line-height:1.8}
.feature-visual{position:relative}
.feature-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.float-card{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 18px;box-shadow:var(--sh-2);
}
.float-card .fc-num{
  font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.2;
}
.float-card .fc-lbl{font-size:12.5px;color:var(--muted)}

/* ============ 最新信息（CMS） ============ */
.news-grid{row-gap:24px}
.news-card{
  height:100%;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9CDF6}
.news-card-link{display:flex;flex-direction:column;height:100%;color:inherit}
.news-thumb{position:relative;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(23,17,42,.78);color:#fff;font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:var(--r-xs);backdrop-filter:blur(4px);
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:16.5px;font-weight:700;line-height:1.6;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-title{color:var(--brand-1)}
.news-excerpt{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;
  font-size:12.5px;color:#8A83A0;font-variant-numeric:tabular-nums;
}
.empty-state{
  text-align:center;padding:56px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-md);
}
.empty-state i{font-size:30px;color:#C6BCE6;margin-bottom:12px;display:block}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:14px}

/* ============ 栏目速览 ============ */
.channel-list{display:flex;flex-direction:column;gap:24px}
.channel-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,380px);
  gap:32px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.channel-row:hover{box-shadow:var(--sh-2);border-color:#D9CDF6;transform:translateY(-3px)}
.channel-row.reverse .channel-visual{order:-1}
.channel-idx{
  font-size:14px;font-weight:800;letter-spacing:2px;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:10px;display:block;
}
.channel-row h3{font-size:21px;margin-bottom:10px}
.channel-row p{font-size:14.5px;color:var(--muted);line-height:1.85;margin-bottom:16px}
.channel-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.channel-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-sm)}

/* ============ 进入流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;counter-reset:step}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:12px;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item.is-open{border-color:#D9CDF6;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:transparent;border:none;cursor:pointer;
  padding:20px 22px;font-size:16px;font-weight:700;color:var(--text);
}
.faq-mark{
  flex:0 0 30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(110,43,224,.1);color:var(--brand-1);font-size:14px;font-weight:800;
}
.faq-q .chev{margin-left:auto;color:#A79FC0;font-size:14px;transition:transform .22s ease}
.faq-item.is-open .chev{transform:rotate(90deg);color:var(--brand-1)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 22px 22px 66px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ============ CTA ============ */
.cta-band{padding:0 0 var(--sec)}
.cta-inner{
  background:var(--grad);border-radius:var(--r-lg);
  padding:52px 40px;text-align:center;color:#fff;
  box-shadow:0 26px 60px -30px rgba(110,43,224,.9);
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.86);font-size:15px;margin-bottom:26px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-bottom:16px}
.btn-white{background:#fff;color:var(--brand-1)}
.btn-white:hover{background:#fff;color:var(--brand-1);transform:translateY(-2px);box-shadow:0 16px 30px -18px rgba(0,0,0,.6)}
.cta-note{font-size:13px;color:rgba(255,255,255,.75)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.66);
  padding:64px 0 26px;position:relative;margin-top:auto;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--grad);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:16px}
.footer-brand span{color:#fff;font-size:15px;font-weight:800}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--mint);padding-left:4px}
.footer-about p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.58);margin-bottom:14px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:10px;display:flex;gap:8px;align-items:flex-start}
.footer-contact i{color:var(--brand-2);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.4);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1100px){
  .sidebar{
    transform:translateX(-100%);transition:transform .22s ease;
    width:82vw;max-width:320px;box-shadow:0 0 60px rgba(0,0,0,.5);
  }
  .sidebar.open{transform:translateX(0)}
  .sidebar-close{display:flex;align-items:center;justify-content:center}
  .app-main{margin-left:0}
  .topbar{display:flex}
  .live-grid{grid-template-columns:minmax(0,1fr)}
  .feature-wrap{grid-template-columns:minmax(0,1fr)}
  .feature-visual{order:-1}
  .float-card{left:16px}
}
@media screen and (max-width:1024px){
  :root{--sec:64px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .channel-row{grid-template-columns:minmax(0,1fr) minmax(0,300px);gap:24px}
}
@media screen and (max-width:768px){
  .container{padding:0 18px}
  .channel-row{grid-template-columns:minmax(0,1fr);padding:22px}
  .channel-row.reverse .channel-visual{order:0}
  .countdown{right:12px;bottom:12px;grid-template-columns:repeat(4,minmax(44px,1fr));padding:10px;gap:6px}
  .cta-inner{padding:40px 22px}
  .faq-a p{padding-left:22px}
}
@media screen and (max-width:640px){
  :root{--sec:48px}
  .steps{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .hero-actions .btn{width:100%}
  .stat-chip{flex:1 1 44%;min-width:0}
  .inline-form input{flex:1 1 100%}
  .inline-form .btn{width:100%}
  .section-head{margin-bottom:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media screen and (max-width:520px){
  .hero{padding-top:44px}
  .cd-num{font-size:20px}
  .point{gap:12px}
  .point .idx{flex:0 0 38px;font-size:19px}
}

/* roulang page: article */
:root{
  --brand-grad: linear-gradient(108deg,#6E2BE0 0%,#B026C9 46%,#FF5D2E 100%);
  --violet:#6E2BE0;
  --violet-soft:#F1ECFA;
  --orange:#FF5D2E;
  --teal:#00C9A7;
  --amber:#FFB223;
  --ink:#17112A;
  --ink-2:#16121F;
  --paper:#F7F4EF;
  --white:#FFFFFF;
  --muted:#5D566E;
  --line:#E7E1F2;
  --line-dark:rgba(255,255,255,.12);
  --r-lg:26px;
  --r-md:20px;
  --r-img:16px;
  --r-badge:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,17,42,.06);
  --sh-2:0 18px 40px -18px rgba(23,17,42,.28);
  --sp-sec:88px;
  --side-w:236px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.2px;}
p{margin:0 0 1.05em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--violet);outline-offset:3px;border-radius:6px;}
.container{max-width:1240px;margin:0 auto;padding:0 24px;}
.wrap{max-width:1180px;}

/* ---------- 侧栏 ---------- */
.app{min-height:100vh;}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink);
  border-right:1px solid transparent;
  background-image:var(--brand-grad),linear-gradient(var(--ink),var(--ink));
  background-origin:border-box;
  background-clip:padding-box,border-box;
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  z-index:60;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px 18px;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--brand-grad);
  display:grid;place-items:center;
  font-weight:800;font-size:18px;color:#fff;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:15px;color:#fff;font-weight:800;letter-spacing:-.2px;}
.brand-text span{font-size:12px;color:rgba(255,255,255,.55);}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px;}
.side-nav a{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:46px;padding:0 12px;border-radius:12px;
  font-size:15px;color:rgba(255,255,255,.74);
}
.side-nav a i{width:18px;text-align:center;font-size:15px;opacity:.9;}
.side-nav a::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:var(--brand-grad);opacity:0;transition:opacity .22s ease;
}
.side-nav a:hover{background:rgba(255,255,255,.07);color:#fff;}
.side-nav a:hover::before{opacity:1;}
.side-nav a.active{
  background:var(--brand-grad);color:#fff;font-weight:700;
  box-shadow:0 10px 24px -14px rgba(110,43,224,.9);
}
.side-nav a.active::before{opacity:0;}
.side-cta{
  margin-top:auto;
  background:var(--brand-grad);
  border-radius:18px;padding:16px 15px;
  color:#fff;
}
.side-cta b{display:block;font-size:14px;font-weight:800;margin-bottom:4px;}
.side-cta p{font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.86);margin:0 0 12px;}
.side-cta a{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;color:var(--violet);font-size:13px;font-weight:700;
  padding:8px 16px;border-radius:var(--r-pill);
}
.side-cta a:hover{background:#F5F0FF;}
.side-note{margin-top:14px;font-size:11.5px;line-height:1.6;color:rgba(255,255,255,.42);padding:0 4px;}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;
  position:sticky;top:0;z-index:50;
  height:56px;background:#fff;border-bottom:1px solid var(--line);
  align-items:center;gap:12px;padding:0 14px;
  transition:box-shadow .2s ease;
}
.topbar.scrolled{box-shadow:0 6px 18px -12px rgba(23,17,42,.35);}
.topbar .burger{
  width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;
  display:grid;place-items:center;font-size:17px;color:var(--ink);cursor:pointer;
}
.topbar .tb-brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:15px;letter-spacing:-.3px;}
.topbar .tb-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px;}
.topbar .tb-sub{
  margin-left:auto;background:var(--brand-grad);color:#fff;font-size:13px;font-weight:700;
  padding:9px 16px;border-radius:var(--r-pill);
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,17,42,.55);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:320px;
  background:var(--ink);z-index:80;padding:20px 16px;
  transform:translateX(-102%);transition:transform .24s ease;
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-close{
  align-self:flex-end;width:40px;height:40px;border-radius:12px;border:1px solid var(--line-dark);
  background:transparent;color:#fff;display:grid;place-items:center;cursor:pointer;margin-bottom:8px;
}

/* ---------- 主内容 ---------- */
.main{margin-left:var(--side-w);}
.section{padding:var(--sp-sec) 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.sec-title{display:flex;align-items:center;gap:12px;font-size:clamp(24px,2.6vw,30px);font-weight:700;}
.sec-title::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--brand-grad);flex:0 0 4px;}
.sec-desc{color:var(--muted);font-size:14.5px;margin-top:8px;}

/* ---------- 面包屑 ---------- */
.crumb{padding:26px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#C6BDDA;}
.crumb a:hover{color:var(--violet);}
.crumb .current{color:var(--violet);font-weight:700;}

/* ---------- 文章 ---------- */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;
  align-items:start;padding:26px 0 var(--sp-sec);
}
.article{border-radius:var(--r-lg);}
.art-hero{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/9;background:var(--brand-grad);margin-bottom:26px;
}
.art-hero img{width:100%;height:100%;object-fit:cover;}
.art-hero .ph{
  position:absolute;inset:0;display:grid;place-items:center;
  font-size:74px;font-weight:800;color:rgba(255,255,255,.35);
}
.art-hero .badge-float{
  position:absolute;left:18px;top:18px;
  background:rgba(23,17,42,.78);color:#fff;font-size:12.5px;font-weight:700;
  padding:7px 14px;border-radius:var(--r-badge);backdrop-filter:blur(4px);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--violet-soft);color:var(--violet);
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:var(--r-badge);
}
.tag.amber{background:#FFF4DC;color:#9A6400;}
.tag.teal{background:#DEFAF3;color:#00755F;}
.art-title{
  font-size:clamp(26px,3.2vw,38px);font-weight:800;letter-spacing:-.6px;line-height:1.3;
  margin:16px 0 14px;
}
.art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:14px;color:var(--muted);padding-bottom:22px;border-bottom:1px solid var(--line);
}
.art-meta span{display:inline-flex;align-items:center;gap:6px;}
.art-meta i{color:var(--violet);font-size:13px;}

.art-body{max-width:780px;padding-top:30px;font-size:16px;line-height:1.9;}
.art-body h2{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(21px,2.2vw,26px);margin:2em 0 .8em;font-weight:700;
}
.art-body h2::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--brand-grad);flex:0 0 4px;}
.art-body h3{font-size:19px;margin:1.6em 0 .6em;font-weight:700;color:var(--ink-2);}
.art-body p{margin:0 0 1.2em;}
.art-body a{color:var(--violet);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.art-body a:hover{color:var(--orange);}
.art-body img{border-radius:var(--r-img);margin:1.4em 0;width:100%;}
.art-body figure{margin:1.6em 0;}
.art-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px;}
.art-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--violet-soft);
  border-left:3px solid transparent;
  border-image:var(--brand-grad) 1;
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:#3B3350;
}
.art-body ul,.art-body ol{margin:0 0 1.3em 1.4em;}
.art-body ul{list-style:disc;}
.art-body ol{list-style:decimal;}
.art-body li{margin-bottom:.5em;}
.art-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px;}
.art-body th,.art-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.art-body th{background:var(--violet-soft);font-weight:700;}
.art-body code{background:var(--violet-soft);padding:2px 6px;border-radius:6px;font-size:14px;}

.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:64px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:40px;color:#C9BFE4;}
.empty-state h2{margin:16px 0 8px;font-size:21px;}
.empty-state p{color:var(--muted);font-size:15px;max-width:460px;margin:0 auto 22px;}

/* ---------- 侧栏小卡 ---------- */
.aside{position:sticky;top:28px;display:flex;flex-direction:column;gap:20px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:22px;
}
.card h3{font-size:16px;font-weight:800;margin-bottom:14px;}
.toc{display:flex;flex-direction:column;gap:4px;}
.toc a{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);
  padding:9px 12px;border-radius:10px;
}
.toc a:hover{background:var(--violet-soft);color:var(--violet);}
.toc a.on{background:var(--brand-grad);color:#fff;font-weight:700;}
.hot-list li{padding:12px 0;border-bottom:1px dashed var(--line);}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list a{font-size:14.5px;font-weight:600;display:block;line-height:1.55;}
.hot-list a:hover{color:var(--violet);}
.hot-list .m{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;font-weight:400;}
.side-sub{
  background:var(--ink);border-radius:var(--r-md);padding:22px;color:#fff;
  border:1px solid var(--line-dark);
}
.side-sub h3{color:#fff;font-size:16px;margin-bottom:8px;}
.side-sub p{font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.7;margin-bottom:16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);border:0;cursor:pointer;
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,background-color .2s ease,color .2s ease;
}
.btn-primary{
  background-image:var(--brand-grad);background-size:200% 100%;background-position:0 0;color:#fff;
  box-shadow:0 12px 26px -14px rgba(110,43,224,.85);
}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--ink-2);}
.btn-ghost:hover{background:var(--violet-soft);border-color:#D6C7F6;transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--violet);}
.btn-light:hover{background:#F5F0FF;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.link-more{color:var(--violet);font-weight:700;font-size:14.5px;border-bottom:1.5px solid transparent;}
.link-more:hover{border-bottom-color:var(--violet);}

/* ---------- 上一篇/下一篇 ---------- */
.prevnext{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px;max-width:780px;
}
.pn-item{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.pn-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pn-item i{color:var(--violet);font-size:16px;}
.pn-item .pn-t{font-size:14.5px;font-weight:700;}
.pn-item .pn-s{font-size:12.5px;color:var(--muted);}

/* ---------- 推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;display:block;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rel-card:hover .rel-t{color:var(--violet);}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rel-card .rel-in{padding:18px;}
.rel-t{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px;transition:color .2s ease;}
.rel-m{font-size:13px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--ink-2);
}
.faq-q .qmark{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--violet-soft);color:var(--violet);
  display:grid;place-items:center;font-size:14px;font-weight:800;
}
.faq-q .chev{margin-left:auto;color:var(--muted);transition:transform .22s ease;font-size:14px;}
.faq-item.open .chev{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a div{padding:0 22px 22px 64px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--brand-grad);border-radius:var(--r-lg);
  padding:48px 44px;color:#fff;display:flex;align-items:center;
  justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-bar h2{font-size:clamp(22px,2.4vw,30px);color:#fff;letter-spacing:-.4px;}
.cta-bar p{font-size:14.5px;color:rgba(255,255,255,.85);margin-top:10px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--ink);color:rgba(255,255,255,.72);
  padding:64px 0 26px;margin-left:var(--side-w);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-grad);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:16px;}
.footer-about p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-links a:hover{color:var(--teal);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--amber);margin-top:4px;font-size:13px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  border:0;background:var(--brand-grad);color:#fff;font-size:16px;cursor:pointer;
  display:grid;place-items:center;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease,transform .2s ease;z-index:40;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .article-shell{grid-template-columns:minmax(0,1fr) 280px;gap:32px;}
}
@media (max-width:1100px){
  .sidebar{display:none;}
  .main{margin-left:0;}
  .site-footer{margin-left:0;}
  .topbar{display:flex;}
  .article-shell{grid-template-columns:minmax(0,1fr);gap:32px;}
  .aside{position:static;}
  .toc-card{display:none;}
}
@media (max-width:1024px){
  :root{--sp-sec:64px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .cta-bar{padding:34px 24px;}
  .prevnext{grid-template-columns:1fr;}
  .art-body{font-size:15.5px;}
  .art-body h2{font-size:21px;}
}
@media (max-width:640px){
  :root{--sp-sec:48px;}
  .footer-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .sec-head{align-items:flex-start;}
  .art-title{font-size:24px;}
  .faq-q{padding:16px;font-size:15px;}
  .faq-a div{padding:0 16px 18px 56px;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
  .crumb ol{font-size:12.5px;}
}

/* roulang page: category1 */
:root{
  --brand-grad:linear-gradient(108deg,#6E2BE0 0%,#B026C9 46%,#FF5D2E 100%);
  --brand:#6E2BE0;
  --brand-soft:#F1ECFA;
  --accent:#FF5D2E;
  --green:#00C9A7;
  --amber:#FFB223;
  --ink:#17112A;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --text:#16121F;
  --muted:#5D566E;
  --line:#E7E1F2;
  --line-dark:rgba(255,255,255,.12);
  --radius-lg:26px;
  --radius:20px;
  --radius-sm:16px;
  --radius-badge:10px;
  --pill:999px;
  --shadow-1:0 2px 8px rgba(23,17,42,.06);
  --shadow-2:0 18px 40px -18px rgba(23,17,42,.28);
  --shell:236px;
  --sect:88px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.2px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 左侧 App Shell ---------- */
.app-shell{
  position:fixed;top:0;left:0;width:var(--shell);height:100vh;
  background:var(--ink);
  display:flex;flex-direction:column;
  padding:26px 18px 20px;
  z-index:60;
  border-right:1px solid transparent;
  border-image:var(--brand-grad) 1;
}
.shell-logo{display:flex;align-items:center;gap:12px;padding:4px 6px 22px;border-bottom:1px solid var(--line-dark)}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--brand-grad);
  color:#fff;font-weight:800;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.shell-brand-text{display:flex;flex-direction:column;line-height:1.3}
.shell-brand-text b{color:#fff;font-size:15px;font-weight:700}
.shell-brand-text span{color:rgba(255,255,255,.6);font-size:11.5px;letter-spacing:.4px}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:22px}
.side-nav a{
  position:relative;
  display:flex;align-items:center;gap:11px;
  height:46px;padding:0 14px;border-radius:12px;
  color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
  transition:background .22s ease,color .22s ease;
}
.side-nav a i{width:18px;font-size:16px;text-align:center;opacity:.9}
.side-nav a::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;
  background:var(--brand-grad);opacity:0;transition:opacity .22s ease;
}
.side-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side-nav a:hover::before{opacity:1}
.side-nav a.active{background:var(--brand-grad);color:#fff;font-weight:700;box-shadow:0 10px 24px -14px rgba(110,43,224,.9)}
.side-nav a.active::before{opacity:0}
.shell-sub{
  margin-top:auto;
  background:var(--brand-grad);
  border-radius:18px;
  padding:18px 16px;
  color:#fff;
}
.shell-sub h4{font-size:15px;font-weight:800;margin-bottom:6px}
.shell-sub p{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.85);margin:0 0 12px}
.shell-sub a{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;border-radius:var(--pill);
  background:#fff;color:var(--brand);font-size:13.5px;font-weight:700;
}
.shell-sub a:hover{color:var(--accent);background:#fff}
.shell-foot{margin-top:16px;font-size:11.5px;line-height:1.7;color:rgba(255,255,255,.42)}
.shell-foot span{display:block}

/* ---------- 移动顶栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 14px;
  transition:box-shadow .25s ease;
}
.mobile-bar.scrolled{box-shadow:0 6px 18px -12px rgba(23,17,42,.4)}
.mb-left{display:flex;align-items:center;gap:10px;min-width:0}
.mb-burger{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:18px}
.mb-burger:hover{background:var(--brand-soft);color:var(--brand)}
.mb-brand{font-size:15px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mb-cta{
  height:38px;padding:0 16px;border-radius:var(--pill);
  background:var(--brand-grad);color:#fff;font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;white-space:nowrap;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,17,42,.55);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:320px;z-index:90;
  background:var(--ink);padding:22px 18px;overflow-y:auto;
  transform:translateX(-102%);transition:transform .22s ease;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:15px}
.drawer-close{width:40px;height:40px;border-radius:12px;color:rgba(255,255,255,.8);font-size:18px;display:flex;align-items:center;justify-content:center}
.drawer-close:hover{background:rgba(255,255,255,.1);color:#fff}

/* ---------- 主内容 ---------- */
.page-main{margin-left:var(--shell);min-height:100vh;display:flex;flex-direction:column}

/* Banner */
.cat-banner{
  position:relative;overflow:hidden;color:#fff;
  background:var(--ink);
  padding:64px 0 58px;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.34;
}
.cat-banner::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(108deg,rgba(23,17,42,.94) 0%,rgba(110,43,224,.72) 52%,rgba(255,93,46,.55) 100%);
}
.banner-inner{position:relative;z-index:2}
.crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.55}
.crumb .now{color:#FFB223;font-weight:700}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--radius-badge);
  background:rgba(255,178,35,.16);color:var(--amber);
  font-size:13px;font-weight:700;margin-bottom:18px;
}
.banner-inner h1{
  font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:-.5px;line-height:1.25;
  max-width:830px;margin-bottom:16px;
}
.banner-inner h1 em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.banner-lead{max-width:700px;color:rgba(255,255,255,.8);font-size:16.5px;margin-bottom:26px}
.banner-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:var(--radius-badge);
  background:rgba(23,17,42,.62);
  border:1px solid var(--line-dark);
}
.stat-badge b{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:#fff}
.stat-badge.g b{color:var(--green)}
.stat-badge.a b{color:var(--amber)}
.stat-badge span{font-size:12.5px;color:rgba(255,255,255,.72)}

/* 通用板块 */
.section{padding:var(--sect) 0}
.section.alt{background:var(--brand-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.section-title{position:relative;padding-left:16px;font-size:clamp(24px,2.6vw,31px);font-weight:700}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;width:4px;height:22px;border-radius:2px;background:var(--brand-grad);
}
.section-desc{color:var(--muted);font-size:15px;max-width:620px;margin-top:10px}
.text-link{
  color:var(--brand);font-weight:700;font-size:14.5px;
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.text-link:hover{border-color:var(--brand);color:var(--accent)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 28px;border-radius:var(--pill);
  font-size:15px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{
  color:#fff;background-image:var(--brand-grad);background-size:220% 100%;background-position:0 0;
  box-shadow:0 14px 30px -16px rgba(110,43,224,.85);
}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 0;color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  color:#fff;border:1.5px solid rgba(255,255,255,.5);background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-outline{
  color:var(--brand);border:1.5px solid var(--line);background:#fff;
}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}

/* 分类页主布局：左目录 + 右步骤流 */
.guide-layout{display:grid;grid-template-columns:268px minmax(0,1fr);gap:36px;align-items:start}
.toc{
  position:sticky;top:28px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);padding:22px 20px;
}
.toc h3{font-size:16px;font-weight:800;margin-bottom:6px}
.toc .toc-hint{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.toc ol{display:flex;flex-direction:column;gap:2px;counter-reset:toc}
.toc li a{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 10px;border-radius:12px;font-size:14px;color:var(--muted);
  line-height:1.6;transition:background .2s ease,color .2s ease;
}
.toc li a b{
  font-size:12.5px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  min-width:20px;
}
.toc li a:hover{background:var(--brand-soft);color:var(--text)}
.toc-foot{margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.toc-foot .btn{width:100%}

/* 步骤流 */
.steps{display:flex;flex-direction:column;gap:22px}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:28px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DCD2F2}
.step-no{
  font-size:38px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:12px;display:block;
}
.step-card h3{font-size:21px;font-weight:800;margin-bottom:12px}
.step-card p{color:var(--muted);font-size:15.5px;margin-bottom:14px}
.step-point{
  display:flex;gap:10px;align-items:flex-start;
  background:var(--brand-soft);border-radius:var(--radius-sm);
  padding:14px 16px;font-size:14.5px;color:var(--text);line-height:1.75;
}
.step-point i{color:var(--brand);font-size:15px;margin-top:5px}
.step-figure{
  border-radius:var(--radius-sm);overflow:hidden;background:var(--brand-soft);
  position:relative;align-self:stretch;min-height:190px;
}
.step-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.step-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 16px 12px;font-size:12.5px;color:#fff;
  background:linear-gradient(180deg,rgba(23,17,42,0) 0%,rgba(23,17,42,.82) 100%);
}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-badge);
  font-size:12.5px;font-weight:700;
}
.tag.purple{background:var(--brand-soft);color:var(--brand)}
.tag.amber{background:rgba(255,178,35,.16);color:#A9700B}
.tag.green{background:rgba(0,201,167,.14);color:#00826C}

/* 准备工作 */
.prep-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.prep-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.prep-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#fff;font-size:19px;margin-bottom:16px;
}
.prep-card h4{font-size:17px;font-weight:800;margin-bottom:8px}
.prep-card p{font-size:14.5px;color:var(--muted);margin:0}

/* 对比面板：深色 HUD */
.hud{
  background:var(--ink);border-radius:var(--radius-lg);padding:36px;color:#fff;
  position:relative;overflow:hidden;
}
.hud::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.16;
}
.hud::after{
  content:"";position:absolute;top:-120px;right:-120px;width:340px;height:340px;border-radius:50%;
  background:var(--brand-grad);filter:blur(80px);opacity:.45;
}
.hud-inner{position:relative;z-index:2}
.hud h3{font-size:22px;font-weight:800;margin-bottom:8px}
.hud .hud-sub{color:rgba(255,255,255,.72);font-size:14.5px;margin-bottom:26px}
.hud-table{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line-dark);border-radius:var(--radius-sm);overflow:hidden}
.hud-col{background:rgba(23,17,42,.72);padding:22px 20px}
.hud-col h4{font-size:15.5px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.hud-col h4 i{color:var(--amber)}
.hud-col ul{display:flex;flex-direction:column;gap:11px}
.hud-col li{font-size:14px;color:rgba(255,255,255,.78);display:flex;gap:9px;line-height:1.7}
.hud-col li i{color:var(--green);font-size:13px;margin-top:6px}

/* 常见卡点 */
.trouble-list{display:flex;flex-direction:column;gap:14px}
.trouble{
  display:grid;grid-template-columns:200px minmax(0,1fr) 190px;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-left:4px solid transparent;
  border-image:var(--brand-grad) 1;border-radius:var(--radius);
  padding:22px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.trouble:hover{transform:translateX(4px);box-shadow:var(--shadow-2)}
.trouble h4{font-size:16.5px;font-weight:800;line-height:1.5}
.trouble p{font-size:14.5px;color:var(--muted);margin:0}
.trouble .tag{justify-content:center;white-space:nowrap}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);margin-bottom:14px;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:700;color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:var(--brand-soft)}
.faq-q .qmark{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  background:var(--brand-grad);color:#fff;font-size:14px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.faq-q .arrow{margin-left:auto;color:var(--muted);font-size:14px;transition:transform .22s ease}
.faq-item.open .faq-q .arrow{transform:rotate(90deg);color:var(--brand)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s ease;
}
.faq-a-inner{padding:0 22px 22px 66px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-item.open .faq-a{max-height:420px}

/* CTA */
.cta-band{
  background-image:var(--brand-grad);background-size:200% 100%;
  border-radius:var(--radius-lg);padding:46px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 24px 50px -26px rgba(110,43,224,.7);
}
.cta-band h3{font-size:clamp(21px,2.4vw,28px);font-weight:800;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.86);margin:0}
.cta-band .btn-white{
  display:inline-flex;align-items:center;gap:9px;height:50px;padding:0 28px;border-radius:var(--pill);
  background:#fff;color:var(--brand);font-weight:800;font-size:15px;
  transition:transform .2s ease,color .2s ease;
}
.cta-band .btn-white:hover{transform:translateY(-2px);color:var(--accent)}

/* 页脚 */
.site-footer{
  margin-top:auto;background:var(--ink);color:rgba(255,255,255,.72);
  border-top:3px solid transparent;border-image:var(--brand-grad) 1;
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:16px;margin-bottom:16px}
.footer-about p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:var(--green)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.68);line-height:1.6}
.footer-contact i{color:var(--amber);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .prep-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1100px){
  .app-shell{display:none}
  .mobile-bar{display:flex}
  .page-main{margin-left:0;padding-top:56px}
  .guide-layout{grid-template-columns:1fr}
  .toc{position:static}
  .step-card{grid-template-columns:1fr}
  .step-figure{min-height:180px}
  .trouble{grid-template-columns:1fr;gap:12px}
}
@media (max-width:1024px){
  .hud-table{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  :root{--sect:64px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .cat-banner{padding:44px 0 40px}
  .banner-lead{font-size:15.5px}
  .step-card{padding:22px}
  .cta-band{padding:32px 24px}
  .cta-band .btn-white{width:100%;justify-content:center}
  .stat-badge b{font-size:20px}
}
@media (max-width:640px){
  :root{--sect:48px}
  .prep-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .section-head{margin-bottom:24px}
  .btn{width:100%}
  .toc .btn,.toc-foot .btn{width:100%}
  .faq-a-inner{padding-left:22px}
  .hud{padding:24px}
  .banner-stats{gap:10px}
  .stat-badge{padding:9px 13px}
}

/* roulang page: category2 */
:root{
  --brand:linear-gradient(108deg,#6E2BE0 0%,#B026C9 46%,#FF5D2E 100%);
  --purple:#6E2BE0;
  --orange:#FF5D2E;
  --teal:#00C9A7;
  --amber:#FFB223;
  --ink:#17112A;
  --bg:#F7F4EF;
  --alt:#F1ECFA;
  --card:#FFFFFF;
  --text:#16121F;
  --muted:#5D566E;
  --line:#E7E1F2;
  --r-lg:26px;
  --r-md:20px;
  --r-sm:16px;
  --r-badge:10px;
  --sh-base:0 2px 8px rgba(23,17,42,.06);
  --sh-hover:0 18px 40px -18px rgba(23,17,42,.28);
  --shell:236px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.3px}
p{margin:0}
input{font:inherit}
:focus-visible{outline:2px solid var(--purple);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.app-shell{margin-left:var(--shell)}
.section{padding:var(--sec) 0}
.section--alt{background:var(--alt)}
.section--dark{background:var(--ink);color:#fff}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-title{position:relative;padding-left:16px;font-size:clamp(24px,2.6vw,31px);font-weight:700}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:22px;border-radius:2px;background:var(--brand)}
.sec-sub{margin-top:10px;font-size:14px;color:var(--muted);max-width:640px}
.sec-link{font-size:14px;color:var(--purple);font-weight:600;border-bottom:1px solid rgba(110,43,224,.3);padding-bottom:2px;white-space:nowrap}
.sec-link:hover{color:var(--orange);border-color:rgba(255,93,46,.5)}
.section--dark .sec-sub{color:rgba(255,255,255,.72)}
.section--dark .sec-link{color:#fff;border-color:rgba(255,255,255,.4)}

/* ===== 侧栏 ===== */
.side-shell{
  position:fixed;left:0;top:0;bottom:0;width:var(--shell);
  background:var(--ink);
  border-right:1px solid rgba(255,255,255,.1);
  display:flex;flex-direction:column;gap:18px;
  padding:24px 16px;
  overflow-y:auto;z-index:80;
}
.side-shell::-webkit-scrollbar{width:5px}
.side-shell::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:99px}
.brand{display:flex;align-items:center;gap:10px;color:#fff}
.brand-mark{
  flex:0 0 38px;width:38px;height:38px;border-radius:12px;background:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:18px;color:#fff;
}
.brand-text{font-size:14px;font-weight:700;line-height:1.4}
.brand-text small{display:block;font-size:11px;font-weight:400;color:rgba(255,255,255,.55);letter-spacing:.4px}

.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:11px;
  min-height:46px;padding:0 12px;border-radius:12px;
  font-size:15px;color:rgba(255,255,255,.78);
  transition:background .22s ease,color .22s ease;
}
.side-nav a i{width:18px;font-size:15px;text-align:center;opacity:.9}
.side-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:22px;border-radius:2px;background:var(--brand);transition:transform .22s ease;
}
.side-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side-nav a:hover::before{transform:translateY(-50%) scaleY(1)}
.side-nav a.active{background:var(--brand);color:#fff;font-weight:600}
.side-nav a.active::before{display:none}

.side-card{
  margin-top:auto;border-radius:var(--r-md);padding:16px;
  background:var(--brand);color:#fff;
}
.side-card strong{display:block;font-size:14px;line-height:1.5;margin-bottom:10px}
.side-card .btn{width:100%}
.side-note{font-size:11px;line-height:1.6;color:rgba(255,255,255,.5)}

/* ===== 移动顶栏与抽屉 ===== */
.topbar{
  display:none;position:sticky;top:0;z-index:90;
  height:56px;background:#fff;border-bottom:1px solid var(--line);
  align-items:center;gap:12px;padding:0 14px;
}
.topbar.scrolled{box-shadow:0 6px 18px -12px rgba(23,17,42,.35)}
.topbar .icon-btn{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;font-size:17px;color:var(--ink)}
.topbar .icon-btn:hover{background:var(--alt)}
.topbar-brand{flex:1;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;min-width:0}
.topbar-brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px}
.btn-mini{padding:9px 15px;border-radius:999px;background:var(--brand);color:#fff;font-size:13px;font-weight:600;white-space:nowrap}

.drawer-mask{
  position:fixed;inset:0;background:rgba(23,17,42,.55);opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;z-index:95;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;left:0;top:0;bottom:0;width:82vw;max-width:320px;background:var(--ink);
  transform:translateX(-102%);transition:transform .22s ease;z-index:100;
  padding:18px 14px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.drawer-close{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;background:rgba(255,255,255,.08)}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding:72px 0 64px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(23,17,42,.94) 0%,rgba(23,17,42,.78) 48%,rgba(110,43,224,.62) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px}
.crumb a:hover{color:#fff}
.crumb li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.35)}
.crumb li:last-child::after{display:none}
.crumb li:last-child{color:var(--amber)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  background:rgba(255,93,46,.16);border:1px solid rgba(255,93,46,.42);
  color:#FFD3C2;font-size:13px;margin-bottom:20px;
}
.hero h1{font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:-.5px;line-height:1.25;margin-bottom:18px}
.hero h1 em{font-style:normal;background:var(--brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;color:rgba(255,255,255,.78);max-width:660px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat{
  min-width:132px;padding:14px 18px;border-radius:var(--r-sm);
  background:rgba(23,17,42,.72);border:1px solid rgba(255,255,255,.14);
}
.stat b{display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.stat span{font-size:12px;color:rgba(255,255,255,.62)}
.stat--amber b{color:var(--amber)}
.stat--teal b{color:var(--teal)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,background-color .2s ease,color .2s ease;
}
.btn-primary{color:#fff;background:var(--brand);background-size:200% 100%;background-position:0 0;box-shadow:0 10px 24px -14px rgba(110,43,224,.9)}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 0}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border:1px solid var(--line);color:var(--purple);background:#fff}
.btn-outline:hover{background:var(--alt);border-color:rgba(110,43,224,.4);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}

/* ===== 徽章 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-badge);font-size:12.5px;font-weight:600}
.badge-amber{background:rgba(255,178,35,.16);color:#9C6400}
.badge-teal{background:rgba(0,201,167,.16);color:#00705C}
.badge-purple{background:rgba(110,43,224,.12);color:var(--purple)}
.badge-live{background:rgba(255,93,46,.14);color:#C2331A}
.badge-dot{width:7px;height:7px;border-radius:50%;background:currentColor;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ===== 直播列表 + 倒计时 ===== */
.live-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:32px;align-items:start}
.live-list{display:flex;flex-direction:column;gap:16px}
.live-row{
  display:grid;grid-template-columns:170px minmax(0,1fr);gap:20px;
  min-height:96px;padding:14px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-base);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease;
}
.live-row:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(110,43,224,.3)}
.live-row:hover h3{color:var(--purple)}
.live-thumb{position:relative;border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/9;background:var(--brand)}
.live-thumb img{width:100%;height:100%;object-fit:cover}
.live-thumb .badge{position:absolute;left:8px;top:8px;background:rgba(23,17,42,.78);color:#fff}
.live-info{display:flex;flex-direction:column;justify-content:center;gap:8px;min-width:0}
.live-info h3{font-size:18px;font-weight:700;line-height:1.45;transition:color .2s ease}
.live-info p{font-size:14px;color:var(--muted);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.live-meta{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;color:var(--muted)}
.live-meta b{color:var(--text);font-variant-numeric:tabular-nums;font-weight:700}
.live-meta i{color:var(--purple);margin-right:5px}

.count-card{
  position:sticky;top:32px;padding:24px;border-radius:var(--r-lg);
  background:var(--ink);color:#fff;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 24px 50px -30px rgba(23,17,42,.9);
}
.count-card h3{font-size:19px;font-weight:700;margin:14px 0 6px}
.count-card .count-sub{font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:22px}
.cd-cell{
  background:rgba(23,17,42,.72);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-sm);padding:12px 4px;text-align:center;min-width:0;
}
.cd-num{display:block;font-size:clamp(22px,3.4vw,32px);font-weight:800;font-variant-numeric:tabular-nums;color:var(--amber);line-height:1.2}
.cd-label{font-size:11.5px;color:rgba(255,255,255,.6)}
.count-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px}
.count-list li{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.78)}
.count-list i{color:var(--teal);margin-top:6px;font-size:12px}
.count-card .btn{width:100%}
.count-tip{margin-top:12px;font-size:12px;color:rgba(255,255,255,.5);text-align:center}

/* ===== 看点编号列表 ===== */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}
.point-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.point-num{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-1px;background:var(--brand);-webkit-background-clip:text;background-clip:text;color:transparent;flex:0 0 auto}
.point-item h3{font-size:18px;font-weight:700;margin-bottom:6px}
.point-item p{font-size:14px;color:var(--muted)}

/* ===== 观看路径 ===== */
.path-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}
.path-card{
  padding:24px 20px;border-radius:var(--r-md);background:var(--card);
  border:1px solid var(--line);box-shadow:var(--sh-base);position:relative;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.path-step{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:12px;background:var(--brand);
  color:#fff;font-weight:800;font-size:14px;margin-bottom:14px;
}
.path-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.path-card p{font-size:13.5px;color:var(--muted)}
.path-card::after{
  content:"";position:absolute;right:-14px;top:50%;width:12px;height:2px;
  background:linear-gradient(90deg,var(--purple),var(--orange));opacity:.5;
}
.path-card:last-child::after{display:none}

/* ===== 订阅表单 ===== */
.subscribe-panel{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;
  padding:40px;border-radius:var(--r-lg);background:var(--card);
  border:1px solid var(--line);box-shadow:var(--sh-base);
}
.subscribe-panel h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;margin-bottom:12px}
.subscribe-panel p{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.sub-cover{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--brand)}
.sub-cover img{width:100%;height:100%;object-fit:cover}
.form-row{display:flex;gap:12px;flex-wrap:wrap;max-width:520px}
.form-row input{
  flex:1 1 240px;min-width:0;height:48px;padding:0 20px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row input::placeholder{color:#9A94A8}
.form-row input:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 6px rgba(110,43,224,.12)}
.form-note{margin-top:12px;font-size:13px;color:var(--muted)}
.form-ok{
  display:none;margin-top:14px;padding:12px 18px;border-radius:12px;
  background:rgba(0,201,167,.12);color:#00705C;font-size:14px;font-weight:600;
}
.form-ok.show{display:inline-block}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-base)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:20px 22px;font-size:16.5px;font-weight:600;
}
.faq-q .q-mark{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:var(--alt);
  color:var(--purple);display:grid;place-items:center;font-size:14px;font-weight:800;
}
.faq-q .q-text{flex:1}
.faq-q .q-icon{color:var(--muted);transition:transform .22s ease}
.faq-item.open .q-icon{transform:rotate(90deg);color:var(--purple)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 22px 22px 66px;font-size:14.5px;color:var(--muted)}

/* ===== CTA ===== */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:52px 44px;color:#fff;background:var(--brand)}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.22;
  background-image:linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;margin-bottom:12px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.85);max-width:680px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-outline{background:#fff;border-color:#fff;color:var(--purple)}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.86)}

/* ===== 页脚 ===== */
.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--brand)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:15px;margin-bottom:16px}
.footer-about p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.site-footer h4{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:var(--teal)}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:13.5px}
.footer-contact li{display:flex;gap:9px;align-items:flex-start}
.footer-contact i{margin-top:5px;color:var(--purple);font-size:12px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .live-layout{grid-template-columns:minmax(0,1fr) 312px}
}
@media (max-width:1100px){
  :root{--sec:64px}
  .side-shell{display:none}
  .app-shell{margin-left:0}
  .topbar{display:flex}
  .count-card{position:static}
}
@media (max-width:1024px){
  .live-layout{grid-template-columns:minmax(0,1fr)}
  .point-grid{grid-template-columns:1fr}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .path-card::after{display:none}
  .subscribe-panel{grid-template-columns:1fr;gap:26px;padding:30px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
}
@media (max-width:640px){
  :root{--sec:48px}
  .container{padding:0 18px}
  .hero{padding:52px 0 48px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .live-row{grid-template-columns:1fr;gap:14px;padding:12px}
  .live-thumb{aspect-ratio:16/9}
  .path-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-about p{max-width:none}
  .cta-band{padding:36px 22px}
  .hero-stats .stat{flex:1 1 132px}
  .cd-cell{padding:10px 2px}
}

/* roulang page: category3 */
:root{
  --brand-grad:linear-gradient(108deg,#6E2BE0 0%,#B026C9 46%,#FF5D2E 100%);
  --primary:#6E2BE0;
  --warm:#FF5D2E;
  --mint:#00C9A7;
  --amber:#FFB223;
  --ink:#17112A;
  --bg:#F7F4EF;
  --alt:#F1ECFA;
  --card:#FFFFFF;
  --text:#16121F;
  --muted:#5D566E;
  --line:#E7E1F2;
  --line-dark:rgba(255,255,255,.12);
  --r-lg:26px;
  --r-md:20px;
  --r-img:16px;
  --r-badge:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,17,42,.06);
  --sh-2:0 18px 40px -18px rgba(23,17,42,.28);
  --shell-w:236px;
  --topbar-h:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4,h5,h6,p,figure,ul,ol,dl{margin:0;padding:0}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:6px;
}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--alt)}
.section-head{margin-bottom:40px;max-width:780px}
.section-title{
  position:relative;
  font-size:clamp(24px,2.6vw,30px);
  font-weight:700;
  padding-left:18px;
  letter-spacing:-.3px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:6px;
  width:4px;height:22px;
  border-radius:2px;
  background:var(--brand-grad);
}
.section-sub{margin-top:12px;color:var(--muted);font-size:15.5px}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* ---------- Shell 侧栏 ---------- */
.shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--shell-w);
  background:var(--ink);
  border-right:1px solid var(--line-dark);
  display:flex;
  flex-direction:column;
  padding:22px 16px 18px;
  z-index:120;
  overflow-y:auto;
}
.shell::after{
  content:"";
  position:absolute;
  top:0;right:-1px;bottom:0;
  width:1px;
  background:var(--brand-grad);
  opacity:.75;
}
.logo{display:flex;align-items:center;gap:10px;padding:6px 8px 0;margin-bottom:24px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.35;min-width:0}
.logo-text strong{font-size:15px;font-weight:800;color:#fff;letter-spacing:-.2px}
.logo-text em{font-style:normal;font-size:11.5px;color:rgba(255,255,255,.55);letter-spacing:.4px}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-nav a{
  position:relative;
  display:flex;align-items:center;gap:11px;
  min-height:46px;
  padding:0 12px;
  border-radius:12px;
  font-size:15px;
  color:rgba(255,255,255,.76);
  transition:background-color .22s ease,color .22s ease;
}
.side-nav a i{width:18px;text-align:center;font-size:16px;opacity:.9}
.side-nav a::before{
  content:"";
  position:absolute;left:-16px;top:50%;
  transform:translateY(-50%);
  width:3px;height:0;
  border-radius:0 3px 3px 0;
  background:var(--brand-grad);
  transition:height .22s ease;
}
.side-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side-nav a:hover::before{height:22px}
.side-nav a.active{
  background:var(--brand-grad);
  color:#fff;
  font-weight:600;
  box-shadow:0 10px 24px -14px rgba(110,43,224,.9);
}
.side-nav a.active::before{height:0}
.shell-sub{
  margin-top:auto;
  margin-top:28px;
  padding:16px;
  border-radius:18px;
  background:var(--brand-grad);
  color:#fff;
}
.shell-sub h5{font-size:14.5px;font-weight:700;line-height:1.5}
.shell-sub p{font-size:12.5px;line-height:1.65;color:rgba(255,255,255,.85);margin-top:6px}
.shell-sub a{
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:12px;
  min-height:38px;padding:0 16px;
  border-radius:var(--r-pill);
  background:#fff;color:var(--primary);
  font-size:13.5px;font-weight:700;
}
.shell-sub a:hover{transform:translateY(-1px)}
.shell-note{margin-top:16px;font-size:11.5px;line-height:1.7;color:rgba(255,255,255,.42)}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;
  height:var(--topbar-h);
  background:#fff;
  border-bottom:1px solid var(--line);
  align-items:center;
  gap:12px;
  padding:0 14px;
  z-index:130;
  transition:box-shadow .25s ease;
}
.topbar.is-scrolled{box-shadow:0 6px 18px -14px rgba(23,17,42,.55)}
.topbar-toggle{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  color:var(--ink);
  font-size:18px;
}
.topbar-toggle:hover{background:var(--alt)}
.topbar-brand{
  display:flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:800;
  color:var(--ink);
  overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.topbar-brand .brand-mark{width:28px;height:28px;flex:0 0 28px;border-radius:9px;font-size:14px}
.topbar-cta{
  margin-left:auto;
  display:inline-flex;align-items:center;
  height:36px;padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--brand-grad);
  color:#fff;font-size:13px;font-weight:700;
  white-space:nowrap;
}
.nav-mask{
  display:none;
  position:fixed;inset:0;
  background:rgba(23,17,42,.55);
  z-index:110;
  opacity:0;
  transition:opacity .22s ease;
}
.nav-mask.is-open{opacity:1}

/* ---------- 主内容 ---------- */
.shell-main{margin-left:var(--shell-w);min-height:100vh;display:flex;flex-direction:column}
.shell-main > main{flex:1 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  letter-spacing:.2px;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--brand-grad);
  background-size:200% 100%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 12px 26px -16px rgba(110,43,224,.95);
}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
}
.btn-ghost:hover{background:var(--alt);border-color:#D8CDF3;transform:translateY(-2px)}
.btn-outline-light{
  border:1px solid rgba(255,255,255,.5);
  background:transparent;
  color:#fff;
}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.link-more{
  color:var(--primary);
  font-size:14.5px;font-weight:700;
  border-bottom:1px solid transparent;
}
.link-more:hover{border-bottom-color:var(--primary)}

/* ---------- 徽章 / 数据 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:var(--r-badge);
  font-size:12.5px;font-weight:700;
  line-height:1.6;
}
.badge-amber{background:rgba(255,178,35,.16);color:#9A5C00}
.badge-mint{background:rgba(0,201,167,.14);color:#00735F}
.badge-violet{background:rgba(110,43,224,.1);color:var(--primary)}
.badge-solid{background:var(--brand-grad);color:#fff}
.badge-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.22)}
.stats{display:flex;flex-wrap:wrap;gap:14px}
.stat{
  min-width:120px;
  padding:12px 18px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.stat b{
  display:block;
  font-size:24px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--primary);
  line-height:1.25;
}
.stat span{display:block;font-size:12.5px;color:var(--muted)}
.stat--on-dark{background:rgba(255,255,255,.08);border-color:var(--line-dark);box-shadow:none}
.stat--on-dark b{color:var(--amber)}
.stat--on-dark span{color:rgba(255,255,255,.7)}

/* ---------- Banner ---------- */
.cat-banner{
  position:relative;
  padding:64px 0 56px;
  background:var(--ink);
  color:#fff;
  overflow:hidden;
}
.cat-banner .banner-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.42;
}
.cat-banner::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(108deg,rgba(110,43,224,.92) 0%,rgba(176,38,201,.72) 46%,rgba(255,93,46,.6) 100%);
}
.cat-banner::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.55;
}
.cat-banner .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.8);margin-bottom:18px}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.45)}
.crumb li:last-child::after{content:"";margin:0}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li[aria-current] span{color:#fff;font-weight:600}
.cat-banner h1{
  font-size:clamp(30px,4vw,44px);
  font-weight:800;
  letter-spacing:-.5px;
  line-height:1.25;
  max-width:820px;
}
.cat-banner .banner-lead{
  margin-top:16px;
  max-width:700px;
  font-size:16.5px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.banner-stats{margin-top:32px}

/* ---------- 不规则栅格 ---------- */
.mosaic{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:20px;
  grid-auto-flow:dense;
}
.mos{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.mos:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9CDF6}
.mos:hover .mos-title{color:var(--primary)}
.mos-xl{grid-column:span 4;grid-row:span 2}
.mos-sm{grid-column:span 2}
.mos-md{grid-column:span 3}
.mos-media{
  position:relative;
  aspect-ratio:16/9;
  background:var(--brand-grad);
  overflow:hidden;
}
.mos-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.mos:hover .mos-media img{transform:scale(1.04)}
.mos-media .badge{position:absolute;top:14px;left:14px;z-index:2;backdrop-filter:blur(2px)}
.mos-fallback{
  width:100%;height:100%;
  display:flex;align-items:center;justify-content:center;
  font-size:52px;font-weight:800;color:rgba(255,255,255,.9);
}
.mos-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.mos-title{font-size:19px;font-weight:700;letter-spacing:-.2px;transition:color .2s ease}
.mos-xl .mos-title{font-size:23px}
.mos-desc{font-size:14.5px;line-height:1.8;color:var(--muted)}
.mos-meta{
  display:flex;flex-wrap:wrap;gap:10px 18px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.mos-meta b{font-variant-numeric:tabular-nums;color:var(--text);font-weight:800}
.mos-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 活动日历 ---------- */
.calendar{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.cal-row{
  display:grid;
  grid-template-columns:132px 1fr auto;
  align-items:center;
  gap:20px;
  padding:20px 26px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.cal-row:last-child{border-bottom:0}
.cal-row:hover{background:#FBF9FF}
.cal-day{display:flex;flex-direction:column;gap:4px}
.cal-day strong{font-size:16px;font-weight:800}
.cal-day span{font-size:12.5px;color:var(--muted)}
.cal-info h4{font-size:16.5px;font-weight:700}
.cal-info p{font-size:13.5px;color:var(--muted);margin-top:4px}
.cal-tag{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}

/* ---------- 路径图 ---------- */
.path{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.path-card{
  position:relative;
  padding:26px 24px 24px;
  border-radius:var(--r-md);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.path-num{
  display:inline-block;
  font-size:30px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.2;
}
.path-card h3{font-size:17px;margin:10px 0 8px}
.path-card p{font-size:14px;color:var(--muted);line-height:1.8}
.path-card::after{
  content:"";
  position:absolute;right:-12px;top:44px;
  width:24px;height:2px;
  background:var(--line);
}
.path-card:last-child::after{display:none}

/* ---------- 证据 / 数据面板 ---------- */
.panel-dark{
  position:relative;
  padding:56px 0;
  background:var(--ink);
  color:#fff;
  overflow:hidden;
  border-radius:var(--r-lg);
}
.panel-dark::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
.panel-dark .container{position:relative;z-index:2}
.panel-head{margin-bottom:32px}
.panel-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;padding-left:18px;position:relative}
.panel-head h2::before{content:"";position:absolute;left:0;top:5px;width:4px;height:22px;border-radius:2px;background:var(--brand-grad)}
.panel-head p{margin-top:12px;color:rgba(255,255,255,.7);font-size:15px;max-width:720px}
.panel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.panel-card{
  padding:20px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);
}
.panel-card b{display:block;font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--amber);line-height:1.2}
.panel-card span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.72)}
.panel-quote{
  margin-top:26px;
  padding:20px 24px;
  border-left:3px solid transparent;
  border-image:var(--brand-grad) 1;
  background:rgba(255,255,255,.05);
  border-radius:0 16px 16px 0;
  font-size:14.5px;
  color:rgba(255,255,255,.82);
  line-height:1.85;
}
.panel-quote strong{color:#fff}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#D6C9F4;box-shadow:var(--sh-2)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;
  cursor:pointer;
  font-size:16.5px;
  font-weight:700;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{
  flex:0 0 28px;width:28px;height:28px;
  border-radius:50%;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;
}
.faq-item summary .faq-arrow{
  margin-left:auto;
  color:var(--muted);
  font-size:14px;
  transition:transform .22s ease,color .22s ease;
}
.faq-item[open] summary .faq-arrow{transform:rotate(90deg);color:var(--primary)}
.faq-a{padding:0 24px 22px 66px;font-size:15px;color:var(--muted);line-height:1.9}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--brand-grad);
  color:#fff;
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:0 24px 50px -30px rgba(110,43,224,.95);
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:40px 40px;
  opacity:.5;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.4px}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.88);max-width:620px}
.cta-band .btn-outline-light{background:#fff;color:var(--primary);border-color:#fff}
.cta-band .btn-outline-light:hover{background:rgba(255,255,255,.88)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:88px;
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 26px;
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--brand-grad);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:800;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:17px}
.footer-about p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:var(--mint)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.68);line-height:1.7}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;
  color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .mosaic{grid-template-columns:repeat(6,1fr)}
  .mos-xl{grid-column:span 6;grid-row:auto}
  .mos-md{grid-column:span 3}
  .mos-sm{grid-column:span 3}
}
@media (max-width:1100px){
  .shell{
    transform:translateX(-100%);
    transition:transform .22s ease;
    width:82vw;
    max-width:320px;
    padding-top:20px;
  }
  .shell.is-open{transform:translateX(0)}
  .shell-main{margin-left:0;padding-top:var(--topbar-h)}
  .topbar{display:flex}
  .nav-mask{display:block}
  .section{padding:64px 0}
}
@media (max-width:1024px){
  .panel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .path{grid-template-columns:repeat(2,1fr)}
  .path-card::after{display:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .cat-banner{padding:48px 0 40px}
  .mosaic{grid-template-columns:1fr}
  .mos-xl,.mos-md,.mos-sm{grid-column:span 1;grid-row:auto}
  .cal-row{grid-template-columns:1fr;gap:12px;padding:18px}
  .cal-tag{justify-content:flex-start}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-band{padding:34px 24px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .panel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .path{grid-template-columns:1fr}
  .banner-actions .btn{width:100%}
  .stat{min-width:calc(50% - 7px);flex:1 1 auto}
  .faq-a{padding:0 18px 20px 18px}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
}

/* roulang page: category4 */
:root{
  --brand-gradient: linear-gradient(108deg,#6E2BE0 0%,#B026C9 46%,#FF5D2E 100%);
  --brand: #6E2BE0;
  --brand-soft: #F1ECFA;
  --accent: #FF5D2E;
  --mint: #00C9A7;
  --amber: #FFB223;
  --ink: #17112A;
  --page: #F7F4EF;
  --card: #FFFFFF;
  --text: #16121F;
  --text-soft: #5D566E;
  --line: #E7E1F2;
  --line-dark: rgba(255,255,255,.12);
  --r-lg: 26px;
  --r-md: 20px;
  --r-sm: 16px;
  --r-badge: 10px;
  --r-pill: 999px;
  --sh-base: 0 2px 8px rgba(23,17,42,.06);
  --sh-hover: 0 18px 40px -18px rgba(23,17,42,.28);
  --space: 88px;
  --side: 236px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--page);
  color: var(--text);
  font-family: "PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; border-radius: var(--r-sm); }
a{ color: inherit; text-decoration:none; transition: color .2s ease, background-color .2s ease; }
button,input,textarea,select{ font: inherit; color: inherit; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; line-height:1.3; }
p{ margin:0; }
:focus-visible{ outline:2px solid var(--brand); outline-offset:3px; border-radius:6px; }

.container{ width:100%; max-width:1240px; margin:0 auto; padding:0 24px; }
.main-shell{ margin-left: var(--side); min-height:100vh; }
section{ padding: var(--space) 0; }
.section-alt{ background: var(--brand-soft); }
.section-dark{ background: var(--ink); color:#fff; }

h2.section-title{
  position:relative;
  font-size: clamp(24px,2.6vw,31px);
  font-weight:700;
  padding-left:18px;
  letter-spacing:-.3px;
}
h2.section-title::before{
  content:"";
  position:absolute;
  left:0; top:6px;
  width:4px; height:22px;
  border-radius:2px;
  background: var(--brand-gradient);
}
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:24px; margin-bottom:36px; flex-wrap:wrap;
}
.section-sub{ color: var(--text-soft); font-size:15px; margin-top:10px; max-width:640px; }

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed; inset:0 auto 0 0; width: var(--side);
  background: var(--ink);
  border-right:1px solid rgba(110,43,224,.35);
  display:flex; flex-direction:column;
  padding:26px 18px 20px;
  z-index:60;
  overflow-y:auto;
}
.sidebar::after{
  content:""; position:absolute; top:0; right:-1px; width:1px; height:100%;
  background: var(--brand-gradient); opacity:.7;
}
.side-brand{ display:flex; align-items:center; gap:11px; padding:4px 8px 22px; }
.brand-mark{
  width:38px; height:38px; flex:0 0 38px;
  border-radius:12px;
  background: var(--brand-gradient);
  color:#fff; font-weight:800; font-size:18px;
  display:flex; align-items:center; justify-content:center;
}
.side-brand-text{ display:flex; flex-direction:column; line-height:1.25; }
.side-brand-text strong{ color:#fff; font-size:14.5px; font-weight:800; letter-spacing:-.2px; }
.side-brand-text span{ color: rgba(255,255,255,.55); font-size:11.5px; letter-spacing:.4px; }

.side-nav{ display:flex; flex-direction:column; gap:6px; }
.side-nav a{
  position:relative;
  display:flex; align-items:center; gap:11px;
  height:46px; padding:0 14px;
  border-radius:12px;
  color: rgba(255,255,255,.76);
  font-size:15px;
  transition: background-color .22s ease, color .22s ease;
}
.side-nav a i{ width:18px; font-size:15px; text-align:center; opacity:.9; }
.side-nav a::before{
  content:""; position:absolute; left:0; top:50%; transform:translateY(-50%) scaleY(.2);
  width:3px; height:22px; border-radius:2px;
  background: var(--brand-gradient);
  opacity:0; transition: opacity .22s ease, transform .22s ease;
}
.side-nav a:hover{ background: rgba(255,255,255,.07); color:#fff; }
.side-nav a:hover::before{ opacity:1; transform:translateY(-50%) scaleY(1); }
.side-nav a.active{
  background: var(--brand-gradient);
  color:#fff; font-weight:700;
}
.side-nav a.active::before{ opacity:0; }

.side-card{
  margin-top:auto;
  background: var(--brand-gradient);
  border-radius: var(--r-md);
  padding:18px 16px;
  color:#fff;
}
.side-card h4{ font-size:15px; font-weight:800; }
.side-card p{ font-size:12.5px; line-height:1.65; color: rgba(255,255,255,.88); margin:8px 0 14px; }
.side-card .pill-btn{
  display:inline-flex; align-items:center; gap:6px;
  background:#fff; color: var(--brand);
  font-size:13px; font-weight:700;
  height:36px; padding:0 16px; border-radius: var(--r-pill);
}
.side-card .pill-btn:hover{ transform: translateY(-2px); }
.side-foot{ margin-top:18px; font-size:11.5px; line-height:1.7; color: rgba(255,255,255,.45); }

/* ---------- 移动顶栏 ---------- */
.mobile-top{
  display:none;
  position:sticky; top:0; z-index:70;
  height:56px; background:#fff;
  border-bottom:1px solid var(--line);
  align-items:center; gap:12px; padding:0 14px;
}
.mobile-top.scrolled{ box-shadow: 0 6px 18px -12px rgba(23,17,42,.4); }
.burger{
  width:44px; height:44px; border:0; background:transparent;
  display:flex; align-items:center; justify-content:center;
  font-size:19px; color: var(--ink); border-radius:12px; cursor:pointer;
}
.mobile-brand{ display:flex; align-items:center; gap:9px; flex:1; min-width:0; }
.mobile-brand .brand-mark{ width:30px; height:30px; flex:0 0 30px; border-radius:9px; font-size:15px; }
.mobile-brand strong{
  font-size:14px; font-weight:800; white-space:nowrap;
  overflow:hidden; text-overflow:ellipsis; color: var(--ink);
}
.mobile-cta{
  height:34px; padding:0 15px; border-radius: var(--r-pill);
  background: var(--brand-gradient); color:#fff;
  font-size:13px; font-weight:700; display:inline-flex; align-items:center; white-space:nowrap;
}
.drawer-mask{
  position:fixed; inset:0; background: rgba(23,17,42,.55);
  opacity:0; pointer-events:none; transition: opacity .22s ease; z-index:80;
}
.drawer-mask.show{ opacity:1; pointer-events:auto; }
.drawer{
  position:fixed; top:0; left:0; bottom:0;
  width:82vw; max-width:320px;
  background: var(--ink); z-index:90;
  transform: translateX(-102%);
  transition: transform .22s ease;
  padding:22px 16px;
  overflow-y:auto;
}
.drawer.show{ transform: translateX(0); }
.drawer-close{
  width:44px; height:44px; border:0; border-radius:12px;
  background: rgba(255,255,255,.08); color:#fff; font-size:17px;
  cursor:pointer; margin-left:auto; display:flex; align-items:center; justify-content:center;
}

/* ---------- 面包屑 ---------- */
.crumbs{ padding:22px 0 0; }
.crumbs ol{ display:flex; flex-wrap:wrap; gap:6px; font-size:13px; color: var(--text-soft); }
.crumbs li::after{ content:"/"; margin-left:6px; color:#B9B2C7; }
.crumbs li:last-child::after{ display:none; }
.crumbs a:hover{ color: var(--brand); }
.crumbs .current{ color: var(--brand); font-weight:600; }

/* ---------- Banner ---------- */
.page-banner{
  position:relative;
  background-color: var(--ink);
  background-image: linear-gradient(108deg, rgba(23,17,42,.9) 8%, rgba(110,43,224,.86) 58%, rgba(255,93,46,.75) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover, cover;
  background-position: center, center;
  color:#fff;
  overflow:hidden;
}
.page-banner::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity:.6; pointer-events:none;
}
.banner-inner{ position:relative; z-index:2; max-width:820px; }
.banner-tag{
  display:inline-flex; align-items:center; gap:8px;
  background: rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff; font-size:13px; font-weight:600;
  padding:7px 14px; border-radius: var(--r-pill);
  margin-bottom:20px;
}
.banner-tag .dot{
  width:8px; height:8px; border-radius:50%; background: var(--mint);
  box-shadow:0 0 0 4px rgba(0,201,167,.22);
}
.page-banner h1{
  font-size: clamp(30px,4vw,46px);
  font-weight:800; letter-spacing:-.5px; line-height:1.25;
}
.banner-lead{
  margin-top:18px; font-size:17px; line-height:1.85;
  color: rgba(255,255,255,.85); max-width:720px;
}
.banner-badges{ display:flex; flex-wrap:wrap; gap:14px; margin-top:30px; }
.data-badge{
  background: rgba(23,17,42,.55);
  border:1px solid var(--line-dark);
  border-radius: var(--r-sm);
  padding:14px 20px;
  min-width:132px;
}
.data-badge .num{
  font-size:28px; font-weight:800; color: var(--amber);
  font-variant-numeric: tabular-nums; line-height:1.1;
}
.data-badge .num.mint{ color: var(--mint); }
.data-badge .lbl{ font-size:12px; color: rgba(255,255,255,.7); margin-top:6px; letter-spacing:.3px; }

/* ---------- 时间轴 ---------- */
.tl-layout{ display:grid; grid-template-columns: 1fr 300px; gap:36px; align-items:start; }

.month-group{ margin-bottom:44px; }
.month-head{
  display:flex; align-items:center; gap:14px; margin-bottom:26px;
}
.month-chip{
  display:inline-flex; align-items:center; gap:8px;
  background: var(--brand-gradient); color:#fff;
  font-size:14px; font-weight:700;
  padding:9px 18px; border-radius: var(--r-pill);
  font-variant-numeric: tabular-nums;
}
.month-line{ flex:1; height:1px; background: var(--line); }

.timeline{ position:relative; padding-left:34px; }
.timeline::before{
  content:""; position:absolute; left:9px; top:6px; bottom:6px; width:2px;
  background: linear-gradient(180deg,#6E2BE0 0%,#B026C9 50%,#FF5D2E 100%);
  border-radius:2px; opacity:.35;
}
.tl-item{ position:relative; margin-bottom:24px; }
.tl-item:last-child{ margin-bottom:0; }
.tl-node{
  position:absolute; left:-34px; top:22px;
  width:20px; height:20px; border-radius:50%;
  background:#fff; border:2px solid var(--brand);
  display:flex; align-items:center; justify-content:center;
}
.tl-node::after{ content:""; width:8px; height:8px; border-radius:50%; background: var(--brand-gradient); }
.tl-item.is-live .tl-node{ border-color: var(--mint); }
.tl-item.is-live .tl-node::after{ background: var(--mint); }

.tl-card{
  background: var(--card);
  border:1px solid var(--line);
  border-radius: var(--r-md);
  padding:22px 24px;
  box-shadow: var(--sh-base);
  transition: transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease;
}
.tl-card:hover{ transform: translateY(-4px); box-shadow: var(--sh-hover); border-color:#DCD2F3; }

.tl-top{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:12px; }
.badge{
  display:inline-flex; align-items:center; gap:6px;
  font-size:12.5px; font-weight:700;
  padding:5px 12px; border-radius: var(--r-badge);
  line-height:1.5;
}
.badge-amber{ background: rgba(255,178,35,.16); color:#9A6300; }
.badge-mint{ background: rgba(0,201,167,.14); color:#00775F; }
.badge-purple{ background: var(--brand-soft); color: var(--brand); }
.badge-line{ background: transparent; color: var(--text-soft); border:1px solid var(--line); }

.tl-card h3{ font-size:20px; font-weight:700; letter-spacing:-.2px; }
.tl-time{
  display:flex; align-items:center; gap:7px;
  font-size:13px; color: var(--text-soft); margin-top:8px;
  font-variant-numeric: tabular-nums;
}
.tl-card p{ margin-top:12px; font-size:15px; color: var(--text-soft); line-height:1.8; }
.tl-points{ margin-top:14px; display:flex; flex-direction:column; gap:8px; }
.tl-points li{
  display:flex; gap:9px; font-size:14.5px; color:#3E384D; line-height:1.7;
}
.tl-points li i{ color: var(--brand); font-size:12px; margin-top:8px; }
.tl-foot{
  margin-top:16px; padding-top:14px; border-top:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
}
.tl-foot .meta{ font-size:13px; color: var(--text-soft); }
.text-link{
  color: var(--brand); font-size:14px; font-weight:700;
  position:relative; display:inline-flex; align-items:center; gap:6px;
}
.text-link::after{
  content:""; position:absolute; left:0; bottom:-3px; height:2px; width:100%;
  background: var(--brand-gradient); border-radius:2px;
  transform: scaleX(0); transform-origin:left; transition: transform .22s ease;
}
.text-link:hover::after{ transform: scaleX(1); }

/* ---------- 侧栏订阅卡 ---------- */
.sticky-col{ position:sticky; top:26px; display:flex; flex-direction:column; gap:20px; }
.side-panel{
  background: var(--card);
  border:1px solid var(--line);
  border-radius: var(--r-md);
  padding:22px;
  box-shadow: var(--sh-base);
}
.side-panel h4{ font-size:17px; font-weight:700; }
.side-panel .hint{ font-size:13.5px; color: var(--text-soft); margin-top:8px; }
.side-panel-dark{
  background: var(--ink); color:#fff; border-color: transparent;
}
.side-panel-dark .hint{ color: rgba(255,255,255,.7); }
.countdown{ display:grid; grid-template-columns: repeat(4,1fr); gap:8px; margin-top:16px; }
.cd-cell{
  background: rgba(23,17,42,.72);
  border:1px solid var(--line-dark);
  border-radius: 14px; padding:10px 4px; text-align:center;
}
.cd-cell .n{
  font-size:24px; font-weight:800; color: var(--amber);
  font-variant-numeric: tabular-nums; line-height:1.2;
}
.cd-cell .t{ font-size:11px; color: rgba(255,255,255,.62); margin-top:3px; }

.field{ display:flex; flex-direction:column; gap:10px; margin-top:16px; }
.field label{ font-size:13px; font-weight:600; color: var(--text-soft); }
.field input[type="email"]{
  height:48px; padding:0 18px;
  border:1px solid var(--line); border-radius: var(--r-pill);
  background:#fff; font-size:15px; width:100%;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input[type="email"]:focus{
  outline:none; border-color: var(--brand);
  box-shadow: 0 0 0 6px rgba(110,43,224,.12);
}
.check-row{ display:flex; align-items:flex-start; gap:9px; font-size:13.5px; color: var(--text-soft); margin-top:6px; }
.check-row input{ margin-top:5px; accent-color: var(--brand); }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:48px; padding:0 26px;
  border-radius: var(--r-pill);
  font-size:15px; font-weight:700; border:1px solid transparent;
  cursor:pointer; white-space:nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background-position .3s ease, background-color .2s ease, color .2s ease;
}
.btn-primary{
  background-image: var(--brand-gradient);
  background-size: 200% 100%;
  background-position: 0% 50%;
  color:#fff;
}
.btn-primary:hover{ background-position: 100% 50%; transform: translateY(-2px); box-shadow: 0 14px 28px -14px rgba(110,43,224,.6); }
.btn-primary:active{ transform: translateY(1px); }
.btn-ghost{
  background: transparent; color:#fff; border-color: rgba(255,255,255,.5);
}
.btn-ghost:hover{ background: rgba(255,255,255,.14); transform: translateY(-2px); }
.btn-outline{
  background: transparent; color: var(--brand); border-color:#D8CCF5;
}
.btn-outline:hover{ background: var(--brand-soft); transform: translateY(-2px); }
.btn-block{ width:100%; }

.tips-list{ display:flex; flex-direction:column; gap:12px; margin-top:16px; }
.tips-list li{ display:flex; gap:10px; font-size:14px; color: var(--text-soft); line-height:1.7; }
.tips-list i{ color: var(--mint); margin-top:6px; font-size:13px; }

/* ---------- 快讯标签 ---------- */
.tag-row{ display:flex; flex-wrap:wrap; gap:10px; }
.tag{
  display:inline-flex; align-items:center; gap:7px;
  padding:9px 16px; border-radius: var(--r-pill);
  background:#fff; border:1px solid var(--line);
  font-size:14px; color: var(--text-soft); font-weight:600;
  transition: all .2s ease;
}
.tag:hover{ border-color:#D8CCF5; color: var(--brand); transform: translateY(-2px); }
.tag.is-on{ background: var(--brand-gradient); color:#fff; border-color:transparent; }

/* ---------- 指标条 ---------- */
.stat-band{
  background: var(--ink); color:#fff; border-radius: var(--r-lg);
  padding:38px 34px;
  display:grid; grid-template-columns: repeat(4,1fr); gap:24px;
}
.stat-item .num{
  font-size:34px; font-weight:800; font-variant-numeric: tabular-nums;
  background: linear-gradient(108deg,#FFB223,#FF5D2E);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  line-height:1.2;
}
.stat-item .lbl{ font-size:13.5px; color: rgba(255,255,255,.72); margin-top:8px; }
.stat-item .sub{ font-size:12.5px; color: rgba(255,255,255,.45); margin-top:4px; }

/* ---------- FAQ ---------- */
.faq-list{ display:flex; flex-direction:column; gap:14px; max-width:900px; }
.faq-item{
  background:#fff; border:1px solid var(--line); border-radius: var(--r-md);
  overflow:hidden; box-shadow: var(--sh-base);
  transition: box-shadow .2s ease, border-color .2s ease;
}
.faq-item.open{ border-color:#D8CCF5; box-shadow: var(--sh-hover); }
.faq-q{
  width:100%; display:flex; align-items:center; gap:14px;
  padding:18px 22px; background:transparent; border:0; cursor:pointer;
  text-align:left; font-size:16.5px; font-weight:700;
}
.faq-q .qmark{
  flex:0 0 26px; width:26px; height:26px; border-radius:50%;
  background: var(--brand-soft); color: var(--brand);
  display:flex; align-items:center; justify-content:center;
  font-size:14px; font-weight:800;
}
.faq-q .chev{ margin-left:auto; color: var(--text-soft); transition: transform .22s ease; font-size:14px; }
.faq-item.open .chev{ transform: rotate(90deg); color: var(--brand); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .22s ease; }
.faq-a p{ padding:0 22px 20px 62px; font-size:15px; color: var(--text-soft); line-height:1.85; }

/* ---------- CTA ---------- */
.cta-band{
  background-image: var(--brand-gradient);
  border-radius: var(--r-lg);
  padding:44px 40px;
  color:#fff;
  display:flex; align-items:center; justify-content:space-between; gap:28px; flex-wrap:wrap;
}
.cta-band h2{ font-size: clamp(22px,2.4vw,28px); font-weight:800; letter-spacing:-.3px; }
.cta-band p{ margin-top:10px; font-size:14.5px; color: rgba(255,255,255,.88); }

/* ---------- 页脚 ---------- */
.site-footer{
  background: var(--ink); color:#fff;
  border-top:3px solid transparent;
  border-image: var(--brand-gradient) 1;
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap:34px;
}
.footer-brand{ display:flex; align-items:center; gap:11px; font-size:16px; font-weight:800; }
.footer-brand .brand-mark{ width:34px; height:34px; flex:0 0 34px; border-radius:10px; font-size:16px; }
.footer-about p{ margin-top:16px; font-size:13.5px; line-height:1.85; color: rgba(255,255,255,.66); max-width:340px; }
.site-footer h4{ font-size:15px; font-weight:700; margin-bottom:16px; }
.footer-links{ display:flex; flex-direction:column; gap:11px; }
.footer-links a{ font-size:14px; color: rgba(255,255,255,.7); }
.footer-links a:hover{ color: var(--mint); }
.footer-contact{ display:flex; flex-direction:column; gap:11px; }
.footer-contact li{ display:flex; gap:10px; font-size:13.5px; color: rgba(255,255,255,.7); line-height:1.7; }
.footer-contact i{ margin-top:6px; color: rgba(255,255,255,.45); }
.footer-bottom{
  margin-top:44px; padding-top:20px;
  border-top:1px solid var(--line-dark);
  display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap;
  font-size:12.5px; color: rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .tl-layout{ grid-template-columns: 1fr 268px; gap:28px; }
}
@media (max-width:1099px){
  :root{ --space: 64px; }
  .sidebar{ display:none; }
  .main-shell{ margin-left:0; }
  .mobile-top{ display:flex; }
  .tl-layout{ grid-template-columns: 1fr; }
  .sticky-col{ position:static; }
  .footer-grid{ grid-template-columns: 1fr 1fr; gap:30px; }
  .stat-band{ grid-template-columns: repeat(2,1fr); padding:30px 24px; }
}
@media (max-width:767px){
  :root{ --space: 48px; }
  .container{ padding:0 18px; }
  .banner-badges{ gap:10px; }
  .data-badge{ flex:1 1 44%; min-width:0; padding:12px 16px; }
  .data-badge .num{ font-size:24px; }
  .tl-card{ padding:18px 18px; }
  .tl-card h3{ font-size:18px; }
  .faq-q{ padding:16px 16px; font-size:15.5px; gap:11px; }
  .faq-a p{ padding:0 16px 18px 53px; }
  .cta-band{ padding:32px 22px; }
  .stat-band{ padding:26px 20px; gap:18px; }
  .stat-item .num{ font-size:28px; }
  .countdown{ gap:6px; }
  .cd-cell .n{ font-size:20px; }
}
@media (max-width:520px){
  .footer-grid{ grid-template-columns: 1fr; }
  .footer-about p{ max-width:none; }
  .btn{ width:100%; }
  .cta-band .btn{ width:100%; }
  .mobile-brand strong{ max-width:130px; }
  .banner-lead{ font-size:15.5px; }
}

/* roulang page: category5 */
:root{
  --grad:linear-gradient(108deg,#6E2BE0 0%,#B026C9 46%,#FF5D2E 100%);
  --violet:#6E2BE0;
  --magenta:#B026C9;
  --orange:#FF5D2E;
  --teal:#00C9A7;
  --amber:#FFB223;
  --ink:#17112A;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --alt:#F1ECFA;
  --text:#16121F;
  --muted:#5D566E;
  --line:#E7E1F2;
  --line-dark:rgba(255,255,255,.12);
  --r-lg:26px;
  --r-md:20px;
  --r-img:16px;
  --r-badge:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,17,42,.06);
  --sh-2:0 18px 40px -18px rgba(23,17,42,.28);
  --sect:88px;
  --shell:236px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--violet);outline-offset:3px}
.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px}

/* ============ App Shell ============ */
.app-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--shell);
  background:var(--ink);color:#fff;z-index:70;
  display:flex;flex-direction:column;gap:18px;
  padding:22px 16px 18px;overflow-y:auto;
}
.app-shell::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:1px;
  background-image:var(--grad);opacity:.85;
}
.shell-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  flex:none;width:38px;height:38px;border-radius:12px;
  background-image:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:800;
}
.brand-mark--sm{width:30px;height:30px;border-radius:9px;font-size:15px}
.brand-text{font-size:15px;font-weight:700;line-height:1.4;letter-spacing:.2px}
.shell-close{
  display:none;width:36px;height:36px;border-radius:10px;
  color:rgba(255,255,255,.7);background:rgba(255,255,255,.06);
}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  height:46px;padding:0 12px;border-radius:12px;
  font-size:15px;color:rgba(255,255,255,.76);
  transition:background .22s ease,color .22s ease;
}
.side-nav a i{width:18px;font-size:15px;text-align:center;opacity:.9}
.side-nav a::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:2px;background-image:var(--grad);
  opacity:0;transform:scaleY(.4);transition:.22s ease;
}
.side-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side-nav a:hover::before{opacity:1;transform:scaleY(1)}
.side-nav a.active{
  background-image:var(--grad);color:#fff;font-weight:700;
  box-shadow:0 10px 22px -14px rgba(255,93,46,.9);
}
.side-nav a.active::before{opacity:0}
.side-promo{
  margin-top:auto;background-image:var(--grad);border-radius:var(--r-md);
  padding:16px;color:#fff;
}
.side-promo strong{display:block;font-size:15px;font-weight:800;margin-bottom:4px}
.side-promo p{font-size:13px;line-height:1.6;color:rgba(255,255,255,.86);margin-bottom:12px}
.side-promo .promo-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;color:var(--violet);font-size:13px;font-weight:800;
  transition:transform .2s ease;
}
.side-promo .promo-btn:hover{transform:translateY(-2px)}
.side-foot{font-size:12px;line-height:1.7;color:rgba(255,255,255,.45)}
.side-foot a:hover{color:var(--teal)}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:65;
  height:56px;padding:0 14px;align-items:center;gap:12px;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 4px 14px -12px rgba(23,17,42,.5);
}
.menu-toggle{
  flex:none;width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;font-size:18px;color:var(--ink);
  background:var(--alt);
}
.mobile-brand{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:800;min-width:0}
.mobile-brand span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mobile-bar .btn{margin-left:auto;flex:none}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,17,42,.55);
  opacity:0;pointer-events:none;transition:opacity .22s ease;z-index:68;
}
.drawer-mask.show{opacity:1;pointer-events:auto}

/* ============ 主区域 ============ */
.app-main{margin-left:var(--shell);min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sect) 0}
.section--alt{background:var(--alt)}
.section-title{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;
  letter-spacing:-.3px;margin-bottom:14px;
}
.section-title::before{
  content:"";flex:none;width:4px;height:22px;border-radius:2px;
  background-image:var(--grad);
}
.section-lead{max-width:760px;color:var(--muted);font-size:16px;margin-bottom:34px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.text-link{
  font-size:14px;font-weight:700;color:var(--violet);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid rgba(110,43,224,.3);padding-bottom:2px;
}
.text-link:hover{border-color:var(--violet)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,background-position .3s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:13px}
.btn-primary{
  background-image:var(--grad);background-size:200% 100%;background-position:0 0;
  color:#fff;box-shadow:0 12px 26px -14px rgba(110,43,224,.85);
}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 0}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);background:#fff;color:var(--text);box-shadow:var(--sh-1)}
.btn-outline:hover{background:var(--alt);border-color:rgba(110,43,224,.35);transform:translateY(-2px)}
.btn-block{width:100%}

/* ============ 徽章 / 数据 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-badge);
  font-size:13px;font-weight:700;line-height:1.5;
}
.badge--violet{background:var(--alt);color:var(--violet)}
.badge--amber{background:rgba(255,178,35,.16);color:#A66A00}
.badge--teal{background:rgba(0,201,167,.14);color:#00795F}
.badge--dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid var(--line-dark)}

/* ============ Banner ============ */
.page-banner{
  position:relative;color:#fff;overflow:hidden;
  background-color:var(--ink);
  background-image:linear-gradient(108deg,rgba(23,17,42,.94) 0%,rgba(76,26,140,.86) 52%,rgba(255,93,46,.72) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;opacity:.5;
}
.page-banner .container{position:relative;z-index:2;padding-top:56px;padding-bottom:64px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:22px}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.5}
.crumbs .current{color:var(--amber);font-weight:700}
.page-banner h1{
  font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.25;
  letter-spacing:-.5px;max-width:820px;margin-bottom:18px;
}
.page-banner .banner-lead{
  max-width:660px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);margin-bottom:26px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px}

/* ============ 数据条 ============ */
.stats-bar{
  margin-top:-40px;position:relative;z-index:5;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:26px 28px;
}
.stat-item{display:flex;flex-direction:column;gap:2px}
.stat-num{
  font-variant-numeric:tabular-nums;font-size:30px;font-weight:800;
  line-height:1.2;background-image:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:14px;color:var(--muted);line-height:1.6}
.stat-item+.stat-item{border-left:1px solid var(--line);padding-left:22px}

/* ============ FAQ 布局 ============ */
.faq-layout{align-items:flex-start}
.faq-col{padding-bottom:10px}
.faq-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;margin:26px 0 14px;
}
.faq-group-title:first-child{margin-top:0}
.faq-group-title i{color:var(--violet);font-size:15px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.faq-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.faq-item.open{border-color:rgba(110,43,224,.4);box-shadow:0 14px 30px -22px rgba(110,43,224,.8)}
.faq-q{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:700;line-height:1.6;
}
.faq-mark{
  flex:none;width:28px;height:28px;border-radius:50%;
  background:var(--alt);color:var(--violet);
  display:grid;place-items:center;font-size:14px;font-weight:800;
  transition:background .22s ease,color .22s ease;
}
.faq-item.open .faq-mark{background-image:var(--grad);color:#fff}
.faq-ico{margin-left:auto;flex:none;color:var(--muted);font-size:14px;transition:transform .22s ease,color .22s ease}
.faq-item.open .faq-ico{transform:rotate(180deg);color:var(--violet)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{padding:0 20px 20px 62px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-a-inner p+p{margin-top:8px}
.faq-a-inner strong{color:var(--text)}

/* ============ 粘性联系卡 ============ */
.contact-col{position:relative}
.contact-card{
  position:sticky;top:26px;
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-2);overflow:hidden;
}
.contact-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background-image:var(--grad);
}
.contact-card h3{font-size:21px;font-weight:800;line-height:1.4;margin-bottom:10px}
.contact-card>p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:20px}
.contact-list{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}
.contact-list li{display:flex;align-items:flex-start;gap:12px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.86)}
.contact-list i{width:18px;margin-top:4px;color:var(--teal);font-size:14px;text-align:center}
.contact-list .k{display:block;font-size:12px;color:rgba(255,255,255,.5)}
.contact-note{font-size:12px;line-height:1.7;color:rgba(255,255,255,.5);margin-top:14px}

/* ============ 步骤流程 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(110,43,224,.3)}
.step-num{
  font-variant-numeric:tabular-nums;font-size:28px;font-weight:800;line-height:1;
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:800;margin-bottom:8px;line-height:1.5}
.step-card p{font-size:14px;line-height:1.8;color:var(--muted)}

/* ============ 图文清单 ============ */
.prep-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.prep-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);position:relative}
.prep-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.prep-media .media-tag{
  position:absolute;top:16px;left:16px;
  background:rgba(23,17,42,.72);color:#fff;border-radius:var(--r-badge);
  padding:6px 12px;font-size:13px;font-weight:700;backdrop-filter:blur(4px);
}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:22px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-list i{
  flex:none;width:26px;height:26px;border-radius:50%;margin-top:3px;
  background:rgba(0,201,167,.14);color:#00795F;
  display:grid;place-items:center;font-size:12px;
}
.check-list strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px}
.check-list span{font-size:14px;line-height:1.8;color:var(--muted)}

/* ============ 更新列表 ============ */
.update-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.update-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:22px 26px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.update-item:last-child{border-bottom:0}
.update-item:hover{background:var(--alt)}
.update-date{
  flex:none;width:104px;font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;padding-top:3px;
}
.update-body h3{font-size:16px;font-weight:800;margin-bottom:6px;line-height:1.6}
.update-body p{font-size:14px;line-height:1.8;color:var(--muted)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background-image:var(--grad);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:38px 38px;opacity:.55;
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;
  justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:56px 0;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.4;margin-bottom:8px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.85);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-outline{background:#fff;border-color:#fff;color:var(--violet)}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.9)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);position:relative;margin-top:auto}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background-image:var(--grad)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:800;margin-bottom:16px}
.footer-about p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.site-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-links a:hover{color:var(--teal)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.62)}
.footer-contact i{width:16px;margin-top:5px;color:var(--teal);font-size:13px;text-align:center}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .steps-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1099px){
  .app-shell{transform:translateX(-100%);transition:transform .22s ease;width:82vw;max-width:320px}
  .app-shell.open{transform:translateX(0)}
  .shell-close{display:grid;place-items:center}
  .mobile-bar{display:flex}
  .app-main{margin-left:0}
  :root{--sect:64px}
}
@media (max-width:1023px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px 18px}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .stat-item:nth-child(2){border-left:1px solid var(--line)}
  .prep-grid{grid-template-columns:1fr;gap:26px}
  .contact-card{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .page-banner .container{padding-top:38px;padding-bottom:52px}
  .page-banner .banner-lead{font-size:15px}
  .container{padding:0 18px}
  .stats-bar{margin-top:-28px}
  .stats-grid{padding:20px}
  .stat-num{font-size:24px}
  .steps-grid{grid-template-columns:1fr}
  .update-item{flex-direction:column;gap:6px;padding:20px}
  .update-date{width:auto}
  .cta-inner{padding:44px 0;flex-direction:column;align-items:flex-start}
  .faq-q{font-size:15px;padding:16px}
  .faq-a-inner{padding:0 16px 18px 16px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:48px 0 32px}
}
@media (max-width:520px){
  :root{--sect:48px}
  .stats-grid{grid-template-columns:1fr;padding:20px 18px}
  .stat-item+.stat-item{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:14px}
  .btn{width:100%;padding:0 20px}
  .mobile-bar .btn{width:auto}
  .cta-actions{width:100%}
}