/* roulang page: index */
:root{
  --c-ink:#0C0A16;
  --c-ink-2:#161226;
  --c-primary:#6D3BF5;
  --c-primary-deep:#4A22C4;
  --c-primary-soft:#EFE9FF;
  --c-secondary:#FF8A3D;
  --c-accent:#B4FF3A;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F4FF;
  --c-line:#E7E3F5;
  --c-text:#1A1726;
  --c-text-2:#6B6880;
  --c-text-inv:#FFFFFF;
  --c-text-inv-2:rgba(255,255,255,.72);
  --sh-1:0 2px 8px rgba(12,10,22,.06);
  --sh-2:0 12px 32px rgba(12,10,22,.12);
  --sh-dark:0 18px 48px rgba(0,0,0,.5);
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-input:10px;
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--c-primary-deep)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.grid-x.grid-margin-x{margin-left:-10px;margin-right:-10px}
.grid-x.grid-margin-x > .cell{margin-left:0;margin-right:0;padding-left:10px;padding-right:10px}
.num{font-variant-numeric:tabular-nums}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .15s ease,color .15s ease,border-color .15s ease,transform .15s ease,box-shadow .15s ease;
  text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(109,59,245,.28)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(109,59,245,.34)}
.btn-primary:active{transform:translateY(0);background:var(--c-primary-deep)}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-1px)}
.btn-lg{padding:15px 34px;font-size:16px}
.btn-sm{padding:9px 20px;font-size:14px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.nav-wrap{display:flex;align-items:center;gap:22px;height:70px}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-text);flex:0 0 auto}
.brand:hover{color:var(--c-text)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary),#8E63FF);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 6px 16px rgba(109,59,245,.32);flex:0 0 auto;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:10px;flex:1 1 auto}
.nav-link{
  position:relative;color:var(--c-text);font-size:15px;font-weight:500;
  padding:8px 14px;border-radius:var(--r-pill);transition:color .15s ease,background-color .15s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-bg-soft)}
.nav-link.is-active{color:var(--c-primary);font-weight:700;background:var(--c-primary-soft)}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:14px;color:var(--c-text-2);font-size:13px;pointer-events:none}
.nav-search input{
  width:200px;height:42px;padding:0 16px 0 36px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  font-size:14px;color:var(--c-text);background:var(--c-bg-soft);
  transition:border-color .15s ease,box-shadow .15s ease,background-color .15s ease,width .2s ease;
}
.nav-search input::placeholder{color:var(--c-text-2)}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(109,59,245,.28);width:230px;
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-text);font-size:16px;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--c-bg-soft);color:var(--c-primary)}

/* ===== Hero ===== */
.hero{position:relative;background:var(--c-ink);overflow:hidden;display:flex;align-items:center;min-height:620px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,10,22,.35) 0%,rgba(12,10,22,.72) 55%,rgba(12,10,22,.94) 100%)}
.hero::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.08;
  background-image:radial-gradient(#fff 1px,transparent 1px);background-size:22px 22px;
}
.hero-inner{position:relative;z-index:3;padding-top:96px;padding-bottom:72px;width:100%}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:13px;font-weight:500;letter-spacing:.02em;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(180,255,58,.18)}
.hero-title{
  margin-top:26px;color:#fff;font-size:52px;line-height:1.18;font-weight:800;letter-spacing:-.01em;
  max-width:820px;
}
.hero-sub{
  margin-top:20px;color:var(--c-text-inv-2);font-size:19px;line-height:1.7;max-width:620px;font-weight:400;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  margin-top:56px;padding-top:30px;border-top:1px solid rgba(255,255,255,.16);max-width:880px;
}
.stat-num{display:block;color:var(--c-accent);font-size:30px;font-weight:800;line-height:1.2;letter-spacing:-.01em}
.stat-num i{font-style:normal;font-size:18px;font-weight:700;margin-left:2px}
.stat-label{display:block;margin-top:6px;color:var(--c-text-inv-2);font-size:14px}

/* ===== 板块通用 ===== */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--c-ink);color:var(--c-text-inv);position:relative;overflow:hidden}
.section-soft{background:var(--c-bg-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);text-transform:uppercase;
}
.section-dark .eyebrow{color:var(--c-accent)}
.section-title{font-size:30px;font-weight:700;line-height:1.3;letter-spacing:-.01em;margin-top:10px}
.section-dark .section-title{color:#fff}
.section-desc{margin-top:12px;color:var(--c-text-2);font-size:16px;max-width:640px}
.section-dark .section-desc{color:var(--c-text-inv-2)}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap}
.link-more i{font-size:12px;transition:transform .18s ease}
.link-more:hover i{transform:translateX(4px)}
.section-dark .link-more{color:var(--c-accent)}
.section-dark .link-more:hover{color:#fff}

/* ===== 横滑片库 ===== */
.rail-section{padding-bottom:72px}
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px max(24px,calc((100% - 1200px)/2 + 24px)) 26px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 282px;scroll-snap-align:start;border-radius:var(--r-card);overflow:hidden;
  background:var(--c-ink-2);border:1px solid rgba(255,255,255,.1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:block;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-dark);border-color:rgba(180,255,58,.4)}
.rail-thumb{position:relative;aspect-ratio:16/9;background:var(--c-ink-2);overflow:hidden}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;opacity:.92}
.rail-card:hover .rail-thumb img{transform:scale(1.05)}
.rail-mask{
  position:absolute;left:0;right:0;bottom:0;padding:36px 16px 14px;
  background:linear-gradient(180deg,rgba(12,10,22,0) 0%,rgba(12,10,22,.92) 100%);
}
.rail-mask h3{color:#fff;font-size:17px;font-weight:700;line-height:1.35}
.rail-mask p{margin-top:4px;color:var(--c-text-inv-2);font-size:12.5px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-dark{position:absolute;left:12px;top:12px;background:rgba(12,10,22,.72);color:#fff;border:1px solid rgba(255,255,255,.24)}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary)}
.badge-lime{background:rgba(180,255,58,.14);color:var(--c-accent);border:1px solid rgba(180,255,58,.34)}
.rail-nav{
  position:absolute;top:38%;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);color:var(--c-text);
  display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:5;
  box-shadow:var(--sh-2);transition:background-color .15s ease,color .15s ease,transform .15s ease;
}
.rail-nav:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);transform:scale(1.06)}
.rail-prev{left:12px}
.rail-next{right:12px}

/* ===== 卡片网格 ===== */
.card-grid{margin-bottom:-24px}
.card-grid > .cell{padding-bottom:24px}
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8CFF7}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-soft)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-corner{
  position:absolute;left:12px;top:12px;
  background:rgba(12,10,22,.74);color:#fff;border:1px solid rgba(255,255,255,.2);
}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.card-title{font-size:19px;font-weight:700;line-height:1.4;color:var(--c-text);transition:color .15s ease}
.card:hover .card-title{color:var(--c-primary)}
.card-text{margin-top:10px;color:var(--c-text-2);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);
}
.card-meta .hot{color:var(--c-secondary);font-weight:600}
.card-meta i{font-size:12px;margin-right:5px}

/* ===== 专区矩阵 ===== */
.matrix{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:168px 168px 124px;gap:16px}
.m-card{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  padding:22px;border-radius:var(--r-card);overflow:hidden;color:#fff;
  background:var(--c-ink-2);border:1px solid rgba(255,255,255,.09);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.m-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;transition:transform .4s ease,opacity .3s ease}
.m-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,10,22,.2) 0%,rgba(12,10,22,.88) 100%)}
.m-card > *{position:relative;z-index:2}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--sh-dark);border-color:rgba(180,255,58,.45);color:#fff}
.m-card:hover img{transform:scale(1.05);opacity:.55}
.m-card h3{font-size:20px;font-weight:700;line-height:1.35;color:#fff}
.m-card .m-count{margin-top:6px;font-size:13px;color:var(--c-text-inv-2)}
.m-card .m-arrow{
  position:absolute;right:20px;top:20px;width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;
  font-size:13px;transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.m-card:hover .m-arrow{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-ink);transform:translateX(3px)}
.m-card.m-big{grid-column:1 / 3;grid-row:1 / 3;padding:30px}
.m-card.m-big h3{font-size:27px}
.m-card.m-mid{grid-row:1 / 3}
.m-card.m-mid h3{font-size:18px}
.m-card.m-strip{padding:18px 20px}
.m-card.m-strip h3{font-size:16px}
.m-card.m-strip .m-count{font-size:12.5px}

/* ===== 最新信息 ===== */
.post-list{display:flex;flex-direction:column;gap:14px}
.post-item{
  display:flex;gap:0;background:#fff;border:1px solid var(--c-line);border-radius:14px;
  overflow:hidden;box-shadow:var(--sh-1);color:var(--c-text);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8CFF7;color:var(--c-text)}
.post-bar{flex:0 0 4px;background:var(--c-primary)}
.post-item:nth-child(3n+2) .post-bar{background:var(--c-secondary)}
.post-item:nth-child(3n+3) .post-bar{background:#25C7A8}
.post-body{padding:20px 22px;flex:1 1 auto;min-width:0}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--c-text-2)}
.post-title{margin-top:10px;font-size:18px;font-weight:700;line-height:1.45;transition:color .15s ease}
.post-item:hover .post-title{color:var(--c-primary)}
.post-excerpt{
  margin-top:8px;color:var(--c-text-2);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state .ei{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:24px;
}
.empty-state h3{font-size:18px;font-weight:700}
.empty-state p{margin-top:8px;color:var(--c-text-2);font-size:14.5px}
.empty-state .btn{margin-top:20px}
.side-box{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.side-box + .side-box{margin-top:20px}
.side-box h3{font-size:17px;font-weight:700;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.side-list{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.side-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14.5px}
.side-list a{color:var(--c-text);font-weight:500}
.side-list a:hover{color:var(--c-primary)}
.side-list .cnt{color:var(--c-text-2);font-size:13px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-bg-soft);color:var(--c-text-2);font-size:13px;border:1px solid var(--c-line);
  transition:background-color .15s ease,color .15s ease,border-color .15s ease;
}
.tag:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:#D8CFF7}
.side-note{margin-top:16px;font-size:13.5px;color:var(--c-text-2);line-height:1.8}

/* ===== 流程 ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:8px}
.step{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 22px;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;position:relative;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);
  font-weight:800;font-size:16px;
}
.step h3{margin-top:16px;font-size:17px;font-weight:700}
.step p{margin-top:8px;color:var(--c-text-2);font-size:14.5px;line-height:1.75}

/* ===== 数据条 ===== */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.metric{
  background:var(--c-ink-2);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-card);
  padding:26px 22px;text-align:left;
}
.metric .mv{color:var(--c-accent);font-size:32px;font-weight:800;line-height:1.15;letter-spacing:-.01em}
.metric .ml{margin-top:8px;color:var(--c-text-inv-2);font-size:14px}
.progress{margin-top:16px;height:6px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden}
.progress span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent))}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:1fr;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
  transition:border-color .18s ease,background-color .18s ease;
}
.faq-item[open]{border-color:#D8CFF7;background:#fff}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:19px 62px 19px 22px;font-size:18px;font-weight:600;color:var(--c-text);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:16px;height:16px;margin-top:-8px;
  background:
    linear-gradient(var(--c-primary),var(--c-primary)) center/16px 2px no-repeat,
    linear-gradient(var(--c-primary),var(--c-primary)) center/2px 16px no-repeat;
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--c-primary)}
.faq-answer{padding:0 22px 22px;color:var(--c-text-2);font-size:15px;line-height:1.85}
.faq-answer p + p{margin-top:.8em}

/* ===== CTA ===== */
.cta-band{position:relative;background:var(--c-ink);overflow:hidden;padding:64px 0}
.cta-band::before{
  content:"";position:absolute;top:-60%;right:-10%;width:70%;height:220%;
  background:linear-gradient(115deg,transparent 0%,rgba(109,59,245,.42) 45%,rgba(180,255,58,.22) 100%);
  transform:rotate(-8deg);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:29px;font-weight:800;line-height:1.35;letter-spacing:-.01em}
.cta-band p{margin-top:12px;color:var(--c-text-inv-2);font-size:16px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-ink);color:var(--c-text-inv-2);position:relative;padding-top:72px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(109,59,245,.7),rgba(180,255,58,.5),transparent);
}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand{margin-bottom:18px}
.footer-desc{font-size:14.5px;line-height:1.85;max-width:330px}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:var(--c-text-inv-2);font-size:14.5px}
.footer-links a:hover{color:var(--c-accent)}
.footer-contact li{font-size:14.5px;line-height:1.9}
.footer-contact i{color:var(--c-primary);width:18px;margin-right:8px}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13.5px;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.24);background:transparent;color:#fff;font-size:13.5px;cursor:pointer;
  transition:background-color .15s ease,border-color .15s ease,color .15s ease;
}
.to-top:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-ink)}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px}
  .nav-links{
    position:fixed;top:70px;left:0;right:0;bottom:0;z-index:99;
    flex-direction:column;align-items:stretch;gap:6px;margin-left:0;padding:20px;
    background:#fff;border-top:1px solid var(--c-line);
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .nav-link{font-size:17px;font-weight:600;padding:15px 16px;border-radius:12px}
  .nav-link::after{display:none}
  .nav-link.is-active{background:var(--c-primary-soft)}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{gap:12px;justify-content:space-between}
  .nav-tools{margin-left:auto}
  .hero{min-height:540px}
  .hero-title{font-size:38px}
  .hero-sub{font-size:17px}
  .hero-inner{padding-top:72px;padding-bottom:56px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 20px;margin-top:40px}
  .section{padding:60px 0}
  .section-tight{padding:48px 0}
  .section-title{font-size:26px}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:none;grid-auto-rows:158px}
  .matrix .m-card{grid-column:auto / span 1;grid-row:auto / span 1}
  .matrix .m-card.m-big{grid-column:span 2;grid-row:span 1;padding:24px}
  .matrix .m-card.m-big h3{font-size:22px}
  .matrix .m-card.m-mid{grid-row:auto / span 1}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rail-nav{display:none}
  .cta-band h2{font-size:25px}
  .faq-item summary{font-size:17px}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px}
  body{font-size:15.5px}
  .brand-text{font-size:16.5px}
  .hero{min-height:460px}
  .hero-title{font-size:29px;margin-top:20px}
  .hero-sub{font-size:15.5px;margin-top:14px}
  .hero-actions{margin-top:26px;gap:12px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px;margin-top:34px;padding-top:22px}
  .stat-num{font-size:24px}
  .section{padding:44px 0}
  .section-title{font-size:23px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .rail{padding-left:16px;padding-right:16px;gap:14px}
  .rail-card{flex:0 0 240px}
  .matrix{grid-template-columns:1fr;grid-auto-rows:132px}
  .matrix .m-card.m-big{grid-column:span 1;padding:20px}
  .matrix .m-card.m-big h3{font-size:20px}
  .matrix .m-card.m-strip{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .post-body{padding:18px}
  .post-title{font-size:16.5px}
  .side-box{padding:20px}
  .cta-band{padding:44px 0}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .faq-item summary{font-size:16px;padding:16px 54px 16px 18px}
  .faq-answer{padding:0 18px 18px;font-size:14.5px}
  .footer-bottom{justify-content:flex-start}
}

/* roulang page: category1 */
:root{
  --c-ink:#0C0A16;
  --c-ink-2:#161226;
  --c-primary:#6D3BF5;
  --c-primary-deep:#4A22C4;
  --c-primary-soft:#EFE9FF;
  --c-secondary:#FF8A3D;
  --c-accent:#B4FF3A;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F4FF;
  --c-line:#E7E3F5;
  --c-text:#1A1726;
  --c-text-2:#6B6880;
  --c-text-inv:#FFFFFF;
  --c-text-inv-2:rgba(255,255,255,.72);
  --sh-1:0 2px 8px rgba(12,10,22,.06);
  --sh-2:0 12px 32px rgba(12,10,22,.12);
  --sh-dark:0 18px 48px rgba(0,0,0,.5);
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-input:10px;
  --c-font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--c-font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto}
.grid-container.full{max-width:1280px}
.section{padding:80px 0}
.section.tight{padding:56px 0}
.section.dark{background:var(--c-ink);color:var(--c-text-inv)}
.section.soft{background:var(--c-bg-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:30px;font-weight:700}
.section-head p{margin:8px 0 0;color:var(--c-text-2);font-size:15px;max-width:640px}
.section.dark .section-head p{color:var(--c-text-inv-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);background:var(--c-primary-soft);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.section.dark .eyebrow{background:rgba(255,255,255,.1);color:var(--c-text-inv)}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(12,10,22,.12)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);font-weight:800;font-size:18px;flex:0 0 auto}
.brand:hover{color:var(--c-text)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;font-size:15px;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  display:block;padding:9px 15px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-text-2);transition:color .15s,background .15s;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-soft);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:7px 15px;background:#fff;transition:border-color .15s,box-shadow .15s;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(109,59,245,.18)}
.nav-search i{color:var(--c-text-2);font-size:13px}
.nav-search input{border:0;outline:0;background:transparent;font-size:14px;width:150px;color:var(--c-text)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);font-size:16px;
  cursor:pointer;transition:.15s;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  padding:13px 26px;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .15s,background .15s,color .15s,border-color .15s,box-shadow .15s;
}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(109,59,245,.28)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft)}
.btn-ghost-inv{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost-inv:hover{background:rgba(255,255,255,.12);color:#fff}
.btn:focus-visible,.nav-link:focus-visible,.nav-toggle:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* breadcrumb */
.crumb-bar{padding:16px 0 0;font-size:13px;color:var(--c-text-2)}
.crumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb-bar li::after{content:"/";margin-left:8px;color:var(--c-line)}
.crumb-bar li:last-child::after{content:"";margin:0}
.crumb-bar a{color:var(--c-text-2)}
.crumb-bar a:hover{color:var(--c-primary)}
.crumb-bar .current{color:var(--c-text-2)}

/* page hero */
.page-hero{
  position:relative;margin-top:18px;border-radius:22px;overflow:hidden;
  background-color:var(--c-ink);
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,10,22,.94) 8%,rgba(12,10,22,.72) 55%,rgba(74,34,196,.62) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(180,255,58,.28) 1px,transparent 1px);
  background-size:26px 26px;opacity:.08;
}
.hero-inner{position:relative;z-index:2;padding:56px 48px 48px}
.hero-inner h1{font-size:44px;font-weight:800;margin-bottom:14px}
.hero-lead{font-size:17px;color:var(--c-text-inv-2);max-width:640px;margin-bottom:0}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;border-radius:var(--r-pill);
  padding:5px 13px;background:rgba(255,255,255,.12);color:#fff;
}
.tag .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats .num{font-size:28px;font-weight:800;color:var(--c-accent);letter-spacing:-0.02em}
.hero-stats .lbl{font-size:13px;color:var(--c-text-inv-2);margin-top:4px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* feature rows */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
.feature-row:last-child{margin-bottom:0}
.feature-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2)}
.feature-media img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-card)}
.feature-row.is-reverse .feature-media{order:2}
.feature-copy h3{font-size:24px;font-weight:700;margin-bottom:14px}
.feature-copy p{color:var(--c-text-2);font-size:15.5px;margin-bottom:14px}
.mini-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--c-text);padding:7px 0;
}
.mini-list i{color:var(--c-primary);font-size:14px;margin-top:6px}

/* timeline */
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--c-primary),rgba(109,59,245,.08));
}
.timeline-item{position:relative;padding:0 0 30px 0}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-32px;top:7px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);
}
.timeline-item .time{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-pill);padding:3px 12px;margin-bottom:8px;
}
.timeline-item h4{font-size:17px;font-weight:600;margin-bottom:6px}
.timeline-item p{font-size:14.5px;color:var(--c-text-2);margin:0}
.section.dark .timeline-item::before{background:var(--c-ink);border-color:var(--c-accent)}
.section.dark .timeline-item .time{background:rgba(180,255,58,.14);color:var(--c-accent)}
.section.dark .timeline-item p{color:var(--c-text-inv-2)}

/* point cards */
.point-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;height:100%;box-shadow:var(--sh-1);
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9D1F7}
.point-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:18px;margin-bottom:16px;
}
.point-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.point-card p{font-size:14.5px;color:var(--c-text-2);margin:0}

/* zone list rows */
.zone-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.zone-row{
  display:flex;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.zone-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9D1F7}
.zone-thumb{flex:0 0 96px;width:96px;height:72px;overflow:hidden;border-radius:var(--r-img);background:var(--c-bg-soft)}
.zone-thumb img{width:100%;height:100%;object-fit:cover}
.zone-body{flex:1 1 auto;min-width:0}
.zone-title-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.zone-title-line h3{font-size:17px;font-weight:600}
.zone-row:hover .zone-title-line h3{color:var(--c-primary)}
.badge{font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:3px 11px;background:var(--c-primary-soft);color:var(--c-primary)}
.badge.online{background:rgba(180,255,58,.22);color:#3F6B00}
.badge.new{background:rgba(255,138,61,.16);color:#B85A15}
.badge.hold{background:#F1EFF7;color:var(--c-text-2)}
.zone-desc{font-size:13.5px;color:var(--c-text-2);margin:6px 0 10px}
.heat{display:flex;align-items:center;gap:10px}
.heat-bar{flex:1 1 auto;height:6px;border-radius:var(--r-pill);background:var(--c-bg-soft);overflow:hidden}
.heat-bar span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-primary),var(--c-primary-deep))}
.heat-val{font-size:13px;font-weight:700;color:var(--c-primary);min-width:34px;text-align:right}
.zone-go{
  flex:0 0 auto;font-size:13.5px;font-weight:600;color:var(--c-primary);
  border:1px solid var(--c-line);border-radius:var(--r-pill);padding:7px 16px;
  transition:.15s;white-space:nowrap;
}
.zone-go:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* faq */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  margin-bottom:14px;overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 54px 20px 22px;position:relative;
  font-size:17px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:500;color:var(--c-primary);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item summary:hover{color:var(--c-primary)}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-text-2)}
.faq-body p{margin:0}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;
  background:var(--c-ink);color:#fff;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(109,59,245,.55),transparent 65%);
}
.cta-band h2{font-size:30px;font-weight:800;margin-bottom:10px;position:relative;z-index:2}
.cta-band p{color:var(--c-text-inv-2);margin:0;max-width:560px;position:relative;z-index:2}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

/* footer */
.site-footer{background:var(--c-ink);color:var(--c-text-inv);padding:64px 0 24px;margin-top:0;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(180,255,58,.45),transparent);
}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand .brand:hover{color:#fff}
.footer-desc{font-size:14px;color:var(--c-text-inv-2);margin:0;max-width:300px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:#fff}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--c-text-inv-2);transition:color .15s}
.footer-links a:hover{color:var(--c-accent)}
.footer-contact li{font-size:14px;color:var(--c-text-inv-2);margin-bottom:10px;display:flex;gap:8px;align-items:flex-start}
.footer-contact i{color:var(--c-accent);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-inv-2);
}
.to-top{
  background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;
  border-radius:var(--r-pill);padding:8px 18px;font-size:13px;cursor:pointer;transition:.15s;
}
.to-top:hover{border-color:var(--c-accent);color:var(--c-accent)}

/* responsive */
@media (max-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px}
  .nav-links{
    position:fixed;left:16px;right:16px;top:78px;margin:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border:1px solid var(--c-line);border-radius:16px;
    padding:14px;box-shadow:var(--sh-2);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .2s ease,opacity .2s ease;
  }
  .nav-links.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{padding:14px 12px;font-size:16px;border-radius:10px}
  .nav-toggle{display:inline-flex}
  .nav-search{display:none}
  .section{padding:64px 0}
  .hero-inner{padding:44px 32px 40px}
  .hero-inner h1{font-size:36px}
  .zone-grid{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr;gap:28px}
  .feature-row.is-reverse .feature-media{order:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
}
@media (max-width:640px){
  .grid-container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:24px}
  .section-head h2{font-size:24px}
  .hero-inner{padding:34px 20px 32px}
  .hero-inner h1{font-size:28px}
  .hero-lead{font-size:15px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:20px 12px}
  .hero-stats .num{font-size:22px}
  .feature-media img{height:220px}
  .zone-row{flex-direction:column;align-items:flex-start}
  .zone-thumb{width:100%;height:150px;flex:none}
  .zone-go{width:100%;text-align:center}
  .faq-item summary{font-size:15.5px;padding:16px 46px 16px 16px}
  .faq-body{padding:0 16px 16px}
  .cta-band{padding:32px 20px;border-radius:18px}
  .cta-band h2{font-size:23px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
  .site-footer{padding:48px 0 20px}
}

/* roulang page: article */
:root{
  --c-ink:#0C0A16;
  --c-ink-2:#161226;
  --c-primary:#6D3BF5;
  --c-primary-deep:#4A22C4;
  --c-primary-soft:#EFE9FF;
  --c-secondary:#FF8A3D;
  --c-accent:#B4FF3A;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F4FF;
  --c-line:#E7E3F5;
  --c-text:#1A1726;
  --c-text-2:#6B6880;
  --c-text-inv:#FFFFFF;
  --c-text-inv-2:rgba(255,255,255,.72);
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(12,10,22,.06);
  --sh-2:0 12px 32px rgba(12,10,22,.12);
  --sh-dark:0 18px 48px rgba(0,0,0,.5);
  --ease:150ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease),box-shadow var(--ease),transform var(--ease)}
a:hover{color:var(--c-primary-deep)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary),#8B5CFF);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;box-shadow:0 6px 16px rgba(109,59,245,.32);
}
.brand-text{font-size:19px;font-weight:800;color:var(--c-text);letter-spacing:-.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--c-primary)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;
  padding:8px 14px;
  font-size:15px;font-weight:500;
  color:var(--c-text-2);
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-bg-soft)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:700;background:var(--c-primary-soft)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--c-bg-soft);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:0 14px;height:40px;width:212px;
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.nav-search i{color:var(--c-text-2);font-size:14px}
.nav-search input{
  border:none;background:transparent;outline:none;
  width:100%;font-size:14px;color:var(--c-text);height:100%;
}
.nav-search input::placeholder{color:var(--c-text-2)}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(109,59,245,.18);
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);
  font-size:16px;
}
.nav-toggle:hover{background:var(--c-bg-soft);color:var(--c-primary)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  padding:12px 24px;
  line-height:1.2;
  border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(109,59,245,.28)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(74,34,196,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(74,34,196,.28)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);border-color:var(--c-primary-deep)}
.btn-ghost:active{background:#E3D9FF}
.btn-inv{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-inv:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-inv:active{background:rgba(255,255,255,.2)}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.01em;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.badge-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.2)}
.badge-live{background:rgba(180,255,58,.14);color:var(--c-accent);border:1px solid rgba(180,255,58,.35)}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;box-shadow:0 0 0 4px rgba(180,255,58,.18)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 13px;border-radius:var(--r-pill);
  background:var(--c-bg-soft);border:1px solid var(--c-line);
  color:var(--c-text-2);font-size:13px;font-weight:500;
}
.tag:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:#DCD2FF}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:1.6}
.breadcrumb a{color:rgba(255,255,255,.66)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{color:rgba(255,255,255,.34)}
.breadcrumb .current{color:rgba(255,255,255,.92);font-weight:500}
.breadcrumb.on-light a{color:var(--c-text-2)}
.breadcrumb.on-light .current{color:var(--c-text-2)}
.breadcrumb.on-light .sep{color:#C4BFD8}

/* ============ 文章首屏 ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--c-ink);
  color:var(--c-text-inv);
  padding:34px 0 56px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.24;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,10,22,.72) 0%,rgba(12,10,22,.86) 55%,rgba(12,10,22,.97) 100%);
}
.article-hero .hero-inner{position:relative;z-index:2;padding-top:30px}
.article-hero h1{
  font-size:clamp(27px,4vw,44px);
  font-weight:800;letter-spacing:-.01em;line-height:1.28;
  margin:18px 0 0;max-width:900px;color:#fff;
}
.article-hero .hero-sub{
  margin-top:16px;font-size:16px;line-height:1.8;
  color:var(--c-text-inv-2);max-width:720px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:26px;font-size:13.5px;color:var(--c-text-inv-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--c-accent);font-size:13px}
.hero-line{
  margin-top:30px;height:1px;width:100%;
  background:linear-gradient(90deg,rgba(180,255,58,.65),rgba(109,59,245,.45) 42%,rgba(255,255,255,0) 100%);
}

/* ============ 正文区 ============ */
.article-section{padding:56px 0 24px;background:var(--c-bg)}
.article-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:32px 34px;
  box-shadow:var(--sh-1);
}
.article-content{font-size:17.5px;line-height:1.9;color:#2A2639;max-width:760px}
.article-content > *:first-child{margin-top:0}
.article-content h2{
  font-size:26px;font-weight:700;line-height:1.4;letter-spacing:-.01em;
  margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--c-primary);color:var(--c-text);
}
.article-content h3{font-size:20px;font-weight:600;margin:28px 0 12px;color:var(--c-text)}
.article-content h4{font-size:17px;font-weight:700;margin:22px 0 10px;color:var(--c-text)}
.article-content p{margin:0 0 1.2em}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.5em}
.article-content ul li{list-style:disc;margin:.45em 0}
.article-content ol li{list-style:decimal;margin:.45em 0}
.article-content blockquote{
  margin:26px 0;padding:18px 24px;
  background:var(--c-bg-soft);
  border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:#3A3552;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-img);margin:26px auto}
.article-content figure{margin:26px 0}
.article-content figcaption{font-size:13px;color:var(--c-text-2);text-align:center;margin-top:10px}
.article-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
  border-radius:var(--r-img);
}
.article-content th,.article-content td{border:1px solid var(--c-line);padding:11px 15px;text-align:left}
.article-content thead th{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:700}
.article-content tbody tr:nth-child(even){background:#FAF8FF}
.article-content a{color:var(--c-primary);border-bottom:1px solid rgba(109,59,245,.35);font-weight:500}
.article-content a:hover{color:var(--c-primary-deep);border-bottom-color:var(--c-primary-deep)}
.article-content hr{border:none;border-top:1px solid var(--c-line);margin:34px 0}
.article-content code{background:var(--c-bg-soft);border-radius:6px;padding:2px 7px;font-size:15px;color:var(--c-primary-deep)}
.article-content strong{font-weight:700;color:var(--c-text)}

.empty-state{
  text-align:center;padding:64px 24px;
  border:1px dashed #CFC7EC;border-radius:var(--r-card);
  background:var(--c-bg-soft);max-width:760px;
}
.empty-state i{font-size:38px;color:var(--c-primary);opacity:.55}
.empty-state h3{font-size:20px;font-weight:700;margin:18px 0 8px}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:22px}

.article-foot{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:28px;padding-top:24px;border-top:1px solid var(--c-line);
  max-width:760px;
}
.article-foot .tips{font-size:13.5px;color:var(--c-text-2)}

/* ============ 侧栏 ============ */
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 22px 20px;box-shadow:var(--sh-1);margin-bottom:22px;
}
.side-card h3{
  font-size:16px;font-weight:700;margin-bottom:14px;
  display:flex;align-items:center;gap:9px;color:var(--c-text);
}
.side-card h3 i{color:var(--c-primary);font-size:14px}
.side-list li + li{margin-top:10px}
.side-list a{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:var(--c-text-2);line-height:1.6;
  padding:9px 12px;border-radius:10px;
  transition:background-color var(--ease),color var(--ease),transform var(--ease);
}
.side-list a:hover{background:var(--c-bg-soft);color:var(--c-primary);transform:translateX(2px)}
.side-list .idx{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:11.5px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.side-note{font-size:14px;line-height:1.85;color:var(--c-text-2)}
.side-note strong{color:var(--c-text)}
.side-stat{
  display:flex;gap:10px;margin-bottom:14px;
}
.side-stat div{
  flex:1;background:var(--c-bg-soft);border-radius:12px;padding:12px 10px;text-align:center;
}
.side-stat b{display:block;font-size:19px;font-weight:800;color:var(--c-primary);line-height:1.3}
.side-stat span{font-size:12px;color:var(--c-text-2)}

/* ============ 通用板块标题 ============ */
.section{padding:64px 0}
.section-soft{background:var(--c-bg-soft)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(23px,2.6vw,30px);font-weight:800;letter-spacing:-.01em;line-height:1.35;
}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:640px;line-height:1.8}
.section-head .head-accent{
  width:44px;height:4px;border-radius:4px;background:var(--c-primary);margin-bottom:14px;
}
.more-link{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:7px}
.more-link i{font-size:12px;transition:transform var(--ease)}
.more-link:hover i{transform:translateX(3px)}

/* ============ 卡片 ============ */
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD2FF}
.card-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--c-ink-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.4,0,.2,1)}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-thumb .corner{
  position:absolute;top:12px;left:12px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:#fff;
  background:rgba(12,10,22,.62);border:1px solid rgba(255,255,255,.2);
}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17.5px;font-weight:700;line-height:1.5;margin-bottom:10px;transition:color var(--ease)}
.card:hover .card-body h3{color:var(--c-primary)}
.card-body p{font-size:14.5px;color:var(--c-text-2);line-height:1.75;margin-bottom:16px}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--c-text-2);
  padding-top:14px;border-top:1px solid var(--c-line);
}
.card-meta span{display:inline-flex;align-items:center;gap:6px}
.card-meta i{font-size:12px;color:var(--c-primary)}
.card-meta .hot{color:var(--c-secondary);font-weight:600}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 30px;box-shadow:var(--sh-1);
}
.stat-item{text-align:left}
.stat-item b{
  display:block;font-size:28px;font-weight:800;color:var(--c-primary);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.stat-item span{font-size:13.5px;color:var(--c-text-2)}
.stat-item + .stat-item{border-left:1px solid var(--c-line);padding-left:18px}

/* ============ FAQ ============ */
.faq-list{max-width:860px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color var(--ease);
}
.faq-item[open]{border-color:#D6C9FF}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:17px 20px;font-size:16.5px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;transition:transform var(--ease),background-color var(--ease);
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff}
.faq-item summary:hover{color:var(--c-primary)}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-text-2)}
.faq-answer p + p{margin-top:.8em}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-ink);border-radius:20px;
  padding:48px 44px;color:#fff;
  box-shadow:var(--sh-dark);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.2;
}
.cta-band::after{
  content:"";position:absolute;top:-60%;right:-12%;width:60%;height:220%;
  background:linear-gradient(101deg,rgba(109,59,245,0) 0%,rgba(109,59,245,.4) 46%,rgba(180,255,58,.24) 100%);
  transform:rotate(9deg);
}
.cta-band .cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.4;color:#fff}
.cta-band p{margin-top:12px;font-size:15px;color:var(--c-text-inv-2);max-width:620px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);color:var(--c-text-inv-2);
  padding:60px 0 26px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(109,59,245,0),rgba(109,59,245,.9),rgba(180,255,58,.6),rgba(109,59,245,0));
}
.site-footer .brand-text{color:#fff}
.site-footer .brand:hover .brand-text{color:var(--c-accent)}
.footer-desc{font-size:14px;line-height:1.85;margin-top:16px;max-width:320px;color:rgba(255,255,255,.62)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li + li,.footer-contact li + li{margin-top:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:var(--c-accent)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66);display:flex;align-items:flex-start;gap:9px;line-height:1.7}
.footer-contact i{color:var(--c-accent);margin-top:4px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);background:transparent;
  color:rgba(255,255,255,.8);font-size:13px;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.to-top:hover{background:rgba(180,255,58,.12);color:var(--c-accent);border-color:rgba(180,255,58,.5)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;z-index:70;
    background:#fff;flex-direction:column;align-items:stretch;gap:2px;
    padding:14px 20px 24px;
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-link{padding:13px 14px;font-size:16px;border-radius:12px}
  .nav-link::after{display:none}
  .article-card{padding:26px 22px}
  .article-content{font-size:16.5px}
  .section{padding:52px 0}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px 14px}
  .stat-item + .stat-item{border-left:none;padding-left:0}
  .stat-item:nth-child(even){border-left:1px solid var(--c-line);padding-left:16px}
  .side-card{margin-top:0}
  .cta-band{padding:38px 26px;border-radius:16px}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px}
  .brand-text{font-size:17px}
  .article-hero{padding:22px 0 42px}
  .article-hero h1{margin-top:14px}
  .article-meta{gap:8px 16px;font-size:13px}
  .section{padding:44px 0}
  .article-card{padding:20px 16px;border-radius:14px}
  .article-content{font-size:16px}
  .article-content h2{font-size:21px;margin:30px 0 12px}
  .article-content h3{font-size:18px}
  .stat-strip{grid-template-columns:1fr;padding:20px}
  .stat-item:nth-child(even){border-left:none;padding-left:0}
  .stat-item + .stat-item{border-top:1px solid var(--c-line);padding-top:14px}
  .cta-band{padding:30px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;justify-content:center}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-foot{flex-direction:column;align-items:stretch}
  .article-foot .btn{width:100%;justify-content:center}
}

/* roulang page: category2 */
:root{
  --c-ink:#0C0A16;
  --c-ink-2:#161226;
  --c-primary:#6D3BF5;
  --c-primary-deep:#4A22C4;
  --c-primary-soft:#EFE9FF;
  --c-secondary:#FF8A3D;
  --c-accent:#B4FF3A;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F4FF;
  --c-line:#E7E3F5;
  --c-text:#1A1726;
  --c-text-2:#6B6880;
  --c-text-inv:#FFFFFF;
  --c-text-inv-2:rgba(255,255,255,.72);
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(12,10,22,.06);
  --sh-2:0 12px 32px rgba(12,10,22,.12);
  --sh-dark:0 18px 48px rgba(0,0,0,.5);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;--sp-7:88px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .15s ease;}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--c-text);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.grid-container{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.grid-container.wide{max-width:1280px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(12,10,22,.10);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);font-weight:800;flex:0 0 auto;}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary),#8D63FF);
  color:#fff;font-size:16px;box-shadow:0 6px 16px rgba(109,59,245,.32);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--c-text-2);
  transition:color .15s ease,background .15s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-soft);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  position:relative;display:flex;align-items:center;
  background:var(--c-bg-soft);border:1px solid var(--c-line);
  border-radius:var(--r-btn);padding:0 14px;height:40px;width:210px;
  transition:border-color .15s ease,box-shadow .15s ease,background .15s ease;
}
.nav-search i{color:var(--c-text-2);font-size:14px;margin-right:8px;}
.nav-search input{
  border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text);
  width:100%;height:100%;font-family:inherit;
}
.nav-search input::placeholder{color:#9C99AE;}
.nav-search:focus-within{
  border-color:var(--c-primary);background:#fff;
  box-shadow:0 0 0 4px rgba(109,59,245,.18);
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);font-size:17px;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;
  padding:14px 26px;transition:all .15s ease;white-space:nowrap;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(109,59,245,.28);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(74,34,196,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(74,34,196,.28);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);border-color:var(--c-primary-deep);}
.btn-ghost:active{background:#E2D8FF;}
.btn-inv{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-inv:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(109,59,245,.35);}
.btn-inv:focus-visible{box-shadow:0 0 0 4px rgba(255,255,255,.35);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 内页横幅 ============ */
.page-hero{
  position:relative;
  min-height:380px;
  display:flex;align-items:flex-end;
  padding:56px 0 48px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,10,22,.50) 0%,rgba(12,10,22,.86) 58%,rgba(12,10,22,.96) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.07;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.page-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.66);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{margin:0 8px;opacity:.6;}
.breadcrumb .current{color:#fff;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-btn);
  background:rgba(180,255,58,.14);border:1px solid rgba(180,255,58,.42);
  color:var(--c-accent);font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(180,255,58,.18);}
.page-hero h1{
  color:#fff;font-size:46px;font-weight:800;letter-spacing:-.01em;
  margin-bottom:16px;max-width:820px;
}
.page-hero h1 span{
  display:block;font-size:22px;font-weight:600;color:var(--c-text-inv-2);
  margin-top:12px;letter-spacing:0;
}
.hero-desc{color:var(--c-text-inv-2);font-size:16px;max-width:660px;margin-bottom:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.14);border-radius:14px;overflow:hidden;
  max-width:840px;
}
.hero-stats .stat{background:rgba(12,10,22,.62);padding:16px 18px;}
.hero-stats .num{
  font-size:26px;font-weight:800;color:var(--c-accent);line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.7);margin-top:2px;}

/* ============ 板块通用 ============ */
.section{padding:var(--sp-7) 0;}
.section.tight{padding:var(--sp-6) 0;}
.section.soft{background:var(--c-bg-soft);}
.section.dark{background:var(--c-ink);color:var(--c-text-inv);}
.section.dark h2,.section.dark h3{color:#fff;}
.section-head{margin-bottom:var(--sp-5);}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:10px;
}
.section.dark .section-head .eyebrow{color:var(--c-accent);}
.section-head h2{font-size:32px;font-weight:700;margin-bottom:12px;}
.section-head p{color:var(--c-text-2);font-size:16px;max-width:720px;margin:0;}
.section.dark .section-head p{color:var(--c-text-inv-2);}

/* ============ 非对称拼贴网格 ============ */
.mosaic{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:150px;
  gap:18px;
}
.tile{
  position:relative;overflow:hidden;
  border-radius:var(--r-card);
  background:var(--c-ink-2);
  border:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:22px;
  color:#fff;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tile img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transform:scale(1.02);transition:transform .35s ease;z-index:0;
}
.tile::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(12,10,22,.22) 0%,rgba(12,10,22,.86) 100%);
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--sh-dark);border-color:rgba(180,255,58,.35);}
.tile:hover img{transform:scale(1.08);}
.tile .tile-body{position:relative;z-index:2;}
.tile h3{color:#fff;font-size:20px;margin-bottom:8px;}
.tile p{color:var(--c-text-inv-2);font-size:14px;margin:0;}
.tile .tile-tag{
  position:absolute;top:16px;left:16px;z-index:2;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;
  backdrop-filter:blur(2px);
}
.tile .tile-arrow{
  position:relative;z-index:2;margin-top:14px;font-size:13px;font-weight:700;
  color:var(--c-accent);display:inline-flex;align-items:center;gap:6px;
}
.tile-lg{grid-column:span 2;grid-row:span 2;}
.tile-md{grid-column:span 1;grid-row:span 1;}
.tile-bar{grid-column:span 1;grid-row:span 1;padding:18px;}
.tile-bar h3{font-size:16px;margin-bottom:4px;}
.tile-bar p{font-size:13px;}
.tile-strip{
  grid-column:span 2;grid-row:span 1;padding:18px 22px;flex-direction:row;
  align-items:center;justify-content:space-between;gap:16px;
}
.tile-strip h3{font-size:17px;margin:0;}
.tile-strip .strip-meta{position:relative;z-index:2;font-size:13px;color:var(--c-accent);font-weight:700;}

/* ============ 数据条 ============ */
.metric-list{display:flex;flex-direction:column;gap:22px;}
.metric{
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,transform .2s ease;
}
.metric:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.metric-top{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:12px;}
.metric-top h3{font-size:17px;font-weight:700;}
.metric-top .val{font-size:17px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.metric-bar{height:9px;border-radius:99px;background:var(--c-primary-soft);overflow:hidden;}
.metric-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--c-primary),#9A76FF);}
.metric-bar i.warn{background:linear-gradient(90deg,var(--c-secondary),#FFB27A);}
.metric-note{margin:12px 0 0;font-size:14px;color:var(--c-text-2);}
.metric-side{
  background:var(--c-ink);border-radius:var(--r-card);padding:28px;color:#fff;
  border:1px solid rgba(255,255,255,.08);box-shadow:var(--sh-dark);height:100%;
}
.metric-side h3{color:#fff;font-size:20px;margin-bottom:14px;}
.metric-side p{color:var(--c-text-inv-2);font-size:15px;}
.metric-side .mini{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.16);font-size:14px;
}
.metric-side .mini:last-child{border-bottom:0;}
.metric-side .mini b{color:var(--c-accent);font-size:16px;font-variant-numeric:tabular-nums;}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8CDFF;}
.step .step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:16px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-weight:800;font-size:16px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-text-2);margin:0;}

/* ============ 要点卡 ============ */
.points{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.point{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.point:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.point-ico{
  flex:0 0 48px;width:48px;height:48px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:19px;
}
.point h3{font-size:17px;margin-bottom:6px;}
.point p{font-size:14px;color:var(--c-text-2);margin:0;}

/* ============ 入口清单 ============ */
.entry-list{display:flex;flex-direction:column;gap:12px;}
.entry{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  padding:16px 20px;box-shadow:var(--sh-1);
  transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;
}
.entry:hover{transform:translateX(4px);box-shadow:var(--sh-2);border-color:#D8CDFF;}
.entry .entry-ico{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-bg-soft);color:var(--c-primary);font-size:16px;
}
.entry .entry-main{flex:1 1 auto;min-width:0;}
.entry .entry-main h3{font-size:16px;font-weight:700;margin-bottom:2px;}
.entry .entry-main p{font-size:13px;color:var(--c-text-2);margin:0;}
.entry .entry-meta{
  display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex:0 0 auto;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:4px 11px;border-radius:var(--r-btn);
  background:var(--c-primary-soft);color:var(--c-primary);
}
.tag-lime{background:rgba(180,255,58,.18);color:#4E7A00;}
.tag-lime .dot{width:6px;height:6px;border-radius:50%;background:#7BC400;}
.tag-orange{background:rgba(255,138,61,.16);color:#B8560E;}
.entry .entry-time{font-size:12px;color:var(--c-text-2);}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;
  padding:20px 22px;font-size:18px;font-weight:600;color:var(--c-text);
  transition:color .15s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-q:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px;}
.faq-q .ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;
  transition:transform .25s ease,background .2s ease;
}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2);}
.faq-a-inner p{margin:0 0 .8em;}
.faq-a-inner p:last-child{margin-bottom:0;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-ink);color:#fff;border-radius:20px;
  padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-dark);
}
.cta-band::before{
  content:"";position:absolute;top:-40%;right:-6%;width:56%;height:200%;
  background:linear-gradient(90deg,transparent,rgba(109,59,245,.55),rgba(180,255,58,.16));
  transform:skewX(-16deg);pointer-events:none;
}
.cta-band .cta-txt{position:relative;z-index:2;max-width:620px;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-band p{color:var(--c-text-inv-2);margin:0;font-size:15px;}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);color:var(--c-text-inv-2);
  padding:64px 0 28px;position:relative;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(109,59,245,.7),rgba(180,255,58,.5),transparent);
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:18px 0 0;max-width:300px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:rgba(255,255,255,.66);margin-bottom:12px;
}
.footer-contact i{color:var(--c-primary);width:16px;text-align:center;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-btn);padding:9px 18px;font-size:13px;font-weight:600;
  transition:all .15s ease;
}
.to-top:hover{background:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .section{padding:56px 0;}
  .page-hero{min-height:340px;padding:44px 0 40px;}
  .page-hero h1{font-size:36px;}
  .page-hero h1 span{font-size:19px;}
  .nav-search{width:160px;}
  .nav-links{gap:2px;}
  .nav-link{padding:8px 10px;font-size:14px;}
  .mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px;}
  .tile-lg{grid-column:span 2;grid-row:span 2;}
  .tile-strip{grid-column:span 2;}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:768px){
  .nav-wrap{height:64px;gap:12px;}
  .nav-links{
    position:fixed;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--c-line);
    padding:16px 20px 22px;margin:0;
    box-shadow:0 18px 32px rgba(12,10,22,.14);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-link{font-size:17px;font-weight:600;padding:14px 12px;border-radius:12px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:var(--c-primary-soft);}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .points{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-band h2{font-size:23px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:44px 0;}
  .page-hero{min-height:300px;padding:36px 0 32px;}
  .page-hero h1{font-size:28px;}
  .page-hero h1 span{font-size:16px;margin-top:10px;}
  .hero-desc{font-size:15px;}
  .section-head h2{font-size:25px;}
  .mosaic{grid-template-columns:1fr;grid-auto-rows:auto;}
  .tile{min-height:180px;}
  .tile-lg{grid-column:span 1;grid-row:span 1;}
  .tile-strip{grid-column:span 1;flex-direction:column;align-items:flex-start;}
  .steps{grid-template-columns:1fr;}
  .entry{flex-wrap:wrap;gap:12px;}
  .entry .entry-meta{align-items:flex-start;flex-direction:row;flex-wrap:wrap;width:100%;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --c-ink:#0C0A16;
  --c-ink-2:#161226;
  --c-primary:#6D3BF5;
  --c-primary-deep:#4A22C4;
  --c-primary-soft:#EFE9FF;
  --c-secondary:#FF8A3D;
  --c-accent:#B4FF3A;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F4FF;
  --c-line:#E7E3F5;
  --c-text:#1A1726;
  --c-text-2:#6B6880;
  --c-text-inv:#FFFFFF;
  --c-text-inv-2:rgba(255,255,255,.72);
  --sh-1:0 2px 8px rgba(12,10,22,.06);
  --sh-2:0 12px 32px rgba(12,10,22,.12);
  --sh-ink:0 18px 48px rgba(0,0,0,.5);
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-input:10px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",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(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .15s ease,border-color .15s ease,background-color .15s ease;}
a:hover{color:var(--c-primary-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--c-text);font-weight:700;line-height:1.3;}
.num,.stat-value,time,.feed-count{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(109,59,245,.4);outline-offset:2px;border-radius:4px;}

/* 容器 */
.grid-container{
  max-width:1200px;
  width:100%;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
}
@media screen and (min-width:1024px){
  .grid-container{padding-left:32px;padding-right:32px;}
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  padding:13px 28px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .15s ease,background-color .15s ease,color .15s ease,border-color .15s ease,box-shadow .15s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(109,59,245,.28);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.btn-block{width:100%;}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  padding:5px 13px;
  line-height:1.5;
}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-ink{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.24);}
.badge-accent{background:rgba(180,255,58,.16);color:var(--c-accent);border:1px solid rgba(180,255,58,.35);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  padding:3px 11px;
  border-radius:var(--r-pill);
  background:var(--c-bg-soft);
  color:var(--c-primary);
  border:1px solid var(--c-line);
}
.tag-up{background:#F3EDFF;color:var(--c-primary);}
.tag-act{background:#FFF1E6;color:#C75A12;border-color:#FFE0C8;}
.tag-nav{background:#EDF7DC;color:#4A7A0A;border-color:#DDF0BF;}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  height:70px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);font-weight:800;}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:0 6px 16px rgba(109,59,245,.32);
}
.brand-text{font-size:18px;letter-spacing:-.01em;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--c-text-2);
  border-radius:var(--r-pill);
}
.nav-link::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);
  transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease;
  border-radius:2px;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-bg-soft);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:12px;}
.nav-search{
  position:relative;
  display:flex;align-items:center;
  background:var(--c-bg-soft);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:0 14px;
  height:40px;
  transition:border-color .15s ease,box-shadow .15s ease,background-color .15s ease;
}
.nav-search i{color:var(--c-text-2);font-size:13px;}
.nav-search input{
  border:0;outline:0;background:transparent;
  font-size:14px;color:var(--c-text);
  padding:0 8px;width:150px;height:100%;
}
.nav-search input::placeholder{color:#9C99AE;}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(109,59,245,.16);}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);
  font-size:17px;cursor:pointer;
}

/* 内页横幅 */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--c-ink);
  min-height:360px;
  display:flex;
  align-items:center;
}
.page-hero-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,10,22,.42) 0%,rgba(12,10,22,.78) 52%,rgba(12,10,22,.94) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0;}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,4vw,46px);
  font-weight:800;
  letter-spacing:-.01em;
  margin:18px 0 14px;
}
.page-hero .lead{
  color:var(--c-text-inv-2);
  font-size:17px;
  max-width:640px;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:12px 40px;
  margin-top:32px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats .stat{min-width:110px;}
.hero-stats .stat-value{
  display:block;color:var(--c-accent);
  font-size:24px;font-weight:800;letter-spacing:-.01em;
}
.hero-stats .stat-label{color:rgba(255,255,255,.62);font-size:13px;}

/* 面包屑 */
.breadcrumb{padding:16px 0;border-bottom:1px solid var(--c-line);background:#fff;}
.breadcrumb .grid-container{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C6C2D6;}
.breadcrumb .current{color:var(--c-text-2);}

/* 板块通用 */
.section{padding:72px 0;}
.section-soft{background:var(--c-bg-soft);}
.section-title{margin-bottom:12px;font-size:clamp(23px,2.6vw,30px);font-weight:800;letter-spacing:-.01em;}
.section-desc{color:var(--c-text-2);font-size:16px;max-width:720px;margin-bottom:40px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.section-head-row .section-title{margin-bottom:8px;}
.section-head-row .section-desc{margin-bottom:0;}

/* 图文简介 + 速览卡 */
.intro-grid{align-items:flex-start;}
.intro-copy p{color:var(--c-text-2);font-size:16.5px;line-height:1.9;margin-bottom:18px;}
.intro-copy p strong{color:var(--c-text);font-weight:700;}
.intro-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  margin-top:8px;
}
.intro-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.intro-figure figcaption{
  font-size:13px;color:var(--c-text-2);
  padding:12px 16px;background:#fff;border-top:1px solid var(--c-line);
}
.side-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px;
  position:sticky;
  top:94px;
}
.side-card h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.side-card .side-sub{font-size:13.5px;color:var(--c-text-2);margin-bottom:20px;}
.side-list{border-top:1px solid var(--c-line);}
.side-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 0;border-bottom:1px solid var(--c-line);
  font-size:14.5px;color:var(--c-text-2);
}
.side-list li span:last-child{font-weight:700;color:var(--c-text);}
.side-list .hl{color:var(--c-primary);}
.side-card .btn{margin-top:22px;}
.side-note{font-size:13px;color:var(--c-text-2);margin-top:12px;}

/* 要点卡组 */
.point-grid{margin-top:-8px;}
.point-card{
  height:100%;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DAD1FA;}
.point-icon{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:17px;margin-bottom:16px;
}
.point-card h3{font-size:18px;margin-bottom:8px;}
.point-card p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;}

/* 双列清单 */
.feed-col{
  height:100%;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:8px 26px 20px;
}
.feed-col-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 16px;border-bottom:1px solid var(--c-line);
}
.feed-col-head h3{font-size:19px;display:flex;align-items:center;gap:10px;}
.feed-col-head h3 i{color:var(--c-primary);font-size:16px;}
.feed-count{font-size:13px;color:var(--c-text-2);font-weight:600;}
.feed-list li{
  position:relative;
  padding:18px 0 18px 16px;
  border-bottom:1px solid var(--c-line);
}
.feed-list li:last-child{border-bottom:0;padding-bottom:6px;}
.feed-list li::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--c-primary);
}
.feed-list li.tone-act::before{background:var(--c-secondary);}
.feed-list li.tone-nav::before{background:#8CC22E;}
.feed-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap;}
.feed-meta time{font-size:13px;color:var(--c-text-2);}
.feed-list h4{font-size:16.5px;font-weight:600;line-height:1.55;margin-bottom:6px;}
.feed-list h4 a{color:var(--c-text);}
.feed-list h4 a:hover{color:var(--c-primary);}
.feed-list p{font-size:14.5px;color:var(--c-text-2);line-height:1.75;}
.feed-more{margin-top:22px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px;}

/* 订阅表单 */
.sub-panel{
  background:var(--c-ink);
  border-radius:20px;
  padding:48px 44px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.sub-panel::before{
  content:"";
  position:absolute;inset:0;
  background:
    repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  opacity:.6;pointer-events:none;
}
.sub-panel > *{position:relative;z-index:2;}
.sub-panel h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:12px;}
.sub-panel .sub-desc{color:var(--c-text-inv-2);font-size:15.5px;max-width:560px;margin-bottom:28px;}
.sub-form{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-start;}
.sub-form .field{flex:1 1 260px;min-width:220px;}
.sub-form label{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:8px;}
.sub-form input,.sub-form select{
  width:100%;height:48px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;padding:0 14px;
  outline:0;
  transition:border-color .15s ease,box-shadow .15s ease,background-color .15s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.42);}
.sub-form select option{color:#1A1726;}
.sub-form input:focus,.sub-form select:focus{
  border-color:var(--c-primary);
  background:rgba(255,255,255,.1);
  box-shadow:0 0 0 4px rgba(109,59,245,.3);
}
.sub-form .btn{height:48px;padding:0 30px;}
.sub-tip{margin-top:16px;font-size:14px;color:var(--c-accent);min-height:22px;}
.sub-tip.is-err{color:var(--c-secondary);}
.sub-hint{font-size:13px;color:rgba(255,255,255,.55);margin-top:10px;}

/* FAQ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:12px;
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--c-text);
  transition:color .15s ease,background-color .15s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);background:var(--c-bg-soft);}
.faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;transition:transform .22s ease,background-color .22s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-body{padding:0 24px 22px;color:var(--c-text-2);font-size:15px;line-height:1.85;}
.faq-body p + p{margin-top:.8em;}

/* CTA 条 */
.cta-bar{
  background:var(--c-ink);
  border-radius:20px;
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;
  box-shadow:var(--sh-ink);
}
.cta-bar::after{
  content:"";
  position:absolute;right:-60px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,245,.55),transparent 68%);
  pointer-events:none;
}
.cta-bar > *{position:relative;z-index:2;}
.cta-bar h2{color:#fff;font-size:clamp(21px,2.3vw,27px);margin-bottom:10px;}
.cta-bar p{color:var(--c-text-inv-2);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* 页脚 */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  margin-top:72px;
  border-top:1px solid rgba(255,255,255,.08);
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;margin-top:16px;max-width:300px;color:rgba(255,255,255,.6);}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;font-weight:700;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.7);
}
.footer-contact i{color:var(--c-primary);margin-top:4px;font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:13px;
  border-radius:var(--r-pill);
  padding:8px 18px;cursor:pointer;
  transition:background-color .15s ease,border-color .15s ease,transform .15s ease;
}
.to-top:hover{background:rgba(109,59,245,.35);border-color:rgba(109,59,245,.6);transform:translateY(-1px);}

/* 响应式 */
@media screen and (max-width:1023px){
  .nav-links{
    position:absolute;left:0;right:0;top:70px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    padding:8px 16px 18px;
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:14px 12px;font-size:16px;border-radius:12px;}
  .nav-link::after{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-search{display:none;}
  .nav-tools .btn-sm{display:none;}
  .nav-wrap{gap:12px;justify-content:space-between;}
  .nav-links .nav-link.is-active{background:var(--c-primary-soft);}
  .section{padding:56px 0;}
  .side-card{position:static;}
  .sub-panel{padding:36px 26px;}
  .cta-bar{padding:34px 26px;flex-direction:column;align-items:flex-start;}
  .site-footer{padding-top:52px;}
}
@media screen and (max-width:639px){
  .page-hero{min-height:300px;}
  .page-hero-inner{padding:48px 0;}
  .page-hero .lead{font-size:15.5px;}
  .hero-stats{gap:12px 24px;margin-top:24px;padding-top:20px;}
  .hero-stats .stat{min-width:calc(50% - 12px);}
  .hero-stats .stat-value{font-size:20px;}
  .section{padding:44px 0;}
  .section-desc{margin-bottom:28px;}
  .point-card{padding:22px 20px;}
  .feed-col{padding:6px 20px 16px;}
  .faq-item summary{padding:17px 18px;font-size:15.5px;}
  .faq-body{padding:0 18px 18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-bottom{justify-content:flex-start;}
}