/* roulang page: index */
:root{
  --brand-700:#4520A8;
  --brand-600:#5A2BD1;
  --brand-500:#6E3DE8;
  --accent:#FF8A3D;
  --accent-soft:#FFF0E6;
  --ink:#171127;
  --ink-2:#5A5468;
  --line:#E8E3F2;
  --bg:#F7F5FB;
  --surface:#FFFFFF;
  --dark:#171127;
  --soft-purple:#F4F0FC;
  --ok:#1FA97A;
  --grad-brand:linear-gradient(120deg,#5A2BD1 0%,#8B4BF0 46%,#FF8A3D 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,17,39,.04);
  --sh-2:0 12px 32px rgba(90,43,209,.10);
  --sh-3:0 22px 48px rgba(90,43,209,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease,opacity .2s ease}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.3}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1200px){.container{padding-left:32px;padding-right:32px}}

/* ---------- 顶部命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad-brand);color:#fff;
  font-size:.72rem;font-weight:800;letter-spacing:.02em;
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{font-size:1.05rem;font-weight:800;letter-spacing:-.02em;white-space:nowrap;color:var(--ink)}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:6px}
.nav-link{position:relative;font-size:14.5px;font-weight:500;color:var(--ink-2);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:224px;height:38px;padding:0 10px;
  background:var(--soft-purple);border:1px solid transparent;border-radius:10px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.cmd-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(110,61,232,.14)}
.cmd-search i{font-size:12px;color:#8B84A0}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;font-size:13.5px;color:var(--ink);outline:none;line-height:1.4}
.cmd-search input::placeholder{color:#8B84A0}
.kbd{font-size:11px;color:#8B84A0;background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 5px;line-height:1.4}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink-2);font-size:14px;
  transition:border-color .2s,color .2s,transform .2s;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px)}

/* ---------- 按钮 ---------- */
.btnx{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14.5px;font-weight:600;line-height:1;
  border-radius:var(--r-sm);border:1px solid transparent;
  padding:0 22px;height:46px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,opacity .2s ease;
}
.btnx-grad{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(90,43,209,.22)}
.btnx-grad:hover{transform:translateY(-1px);box-shadow:var(--sh-3);color:#fff;filter:brightness(1.04)}
.btnx-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btnx-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px)}
.btnx-nav{height:38px;padding:0 18px;font-size:14px;border-radius:10px;background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px rgba(90,43,209,.22)}
.btnx-nav:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btnx:disabled,.btnx.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btnx:active{transform:translateY(0) scale(.99)}

/* ---------- 移动菜单 ---------- */
.burger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:15px;
}
.mobile-drawer{display:none}
@media (max-width:991px){
  .nav-main,.cmd-search,.icon-btn,.btnx-nav{display:none}
  .burger{display:flex}
  .nav-wrap{height:62px}
  .mobile-drawer{
    display:block;max-height:0;overflow:hidden;background:#fff;
    border-bottom-left-radius:24px;border-bottom-right-radius:24px;
    transition:max-height .32s ease,box-shadow .32s ease;
  }
  .mobile-drawer.open{max-height:560px;box-shadow:var(--sh-2);border-top:1px solid var(--line)}
  .drawer-inner{padding:14px 16px 24px}
  .drawer-link{display:flex;align-items:center;height:48px;font-size:15px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line)}
  .drawer-link.active{color:var(--brand-600);font-weight:700}
  .drawer-search{margin:14px 0 6px}
  .drawer-search .cmd-search{display:flex;width:100%}
  .drawer-cta{width:100%;margin-top:14px}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;background:var(--bg)}
.hero::before{
  content:"";position:absolute;top:-240px;right:-180px;width:660px;height:660px;border-radius:50%;
  background:radial-gradient(circle,rgba(110,61,232,.20),rgba(110,61,232,0) 68%);
  filter:blur(110px);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-220px;left:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,61,.16),rgba(255,138,61,0) 70%);
  filter:blur(110px);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:#fff;
  background:var(--grad-brand);padding:7px 15px;border-radius:var(--r-pill);letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(90,43,209,.20);
}
.hero h1{font-size:clamp(2rem,4vw,3rem);line-height:1.24;margin:20px 0 16px;font-weight:800}
.hero h1 .hl{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:1.06rem;color:var(--ink-2);margin:0 0 30px;max-width:34ch;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;
}
.hero-badge i{color:var(--accent);font-size:12px}
.hero-visual{position:relative}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--dark);
  box-shadow:var(--sh-2);transform:rotate(-1.2deg);
}
.hero-card img{width:100%;aspect-ratio:16/11;object-fit:cover;opacity:.94}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,17,39,0) 26%,rgba(23,17,39,.82) 100%);
}
.live-pill{
  position:absolute;top:16px;right:16px;z-index:3;
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.94);color:var(--brand-600);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
}
.live-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(255,138,61,.28)}
.hero-card-meta{position:absolute;left:20px;right:20px;bottom:18px;z-index:3;color:#fff}
.hero-card-meta .kicker{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.72);text-transform:uppercase}
.hero-card-meta h2{font-size:1.06rem;font-weight:700;margin:6px 0 4px;line-height:1.5;color:#fff}
.hero-card-meta p{font-size:12.5px;color:rgba(255,255,255,.74);margin:0}
.float-badge{
  position:absolute;right:-14px;bottom:-24px;z-index:4;
  background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-2);
  padding:12px 18px;display:flex;align-items:center;gap:12px;
  border:1px solid var(--line);
}
.float-badge .num{
  font-size:1.28rem;font-weight:800;color:var(--brand-600);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.float-badge .lbl{font-size:12px;color:var(--ink-2);line-height:1.4}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-tight{padding-top:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-title{position:relative;padding-left:16px;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;margin:0}
.section-title::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:3px;background:var(--grad-brand);
}
.section-desc{font-size:14.5px;color:var(--ink-2);margin:10px 0 0;max-width:62ch}
.link-all{font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-all i{transition:transform .2s ease}
.link-all:hover i{transform:translateX(4px)}

/* ---------- 直播预告面板 ---------- */
.live-panel{
  background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:40px;
}
.live-cover{border-radius:var(--r-md);overflow:hidden;position:relative;background:var(--soft-purple)}
.live-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.live-cover .cover-tag{
  position:absolute;left:14px;top:14px;background:rgba(23,17,39,.72);color:#fff;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill);
}
.live-info h2{font-size:1.35rem;font-weight:800;margin:18px 0 10px;line-height:1.45}
.live-info p{font-size:14.5px;color:var(--ink-2);margin:0 0 16px}
.live-meta-row{display:flex;flex-wrap:wrap;gap:8px}
.meta-pill{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  color:var(--brand-600);background:var(--soft-purple);border-radius:var(--r-pill);padding:5px 12px;
}
.meta-pill.accent{color:#B4560F;background:var(--accent-soft)}
.countdown-label{font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:12px;letter-spacing:.02em}
.countdown{display:flex;align-items:center;gap:10px}
.cd-block{
  flex:1;min-width:64px;background:var(--soft-purple);border-radius:12px;
  padding:12px 6px;text-align:center;
}
.cd-num{
  font-size:1.6rem;font-weight:800;color:var(--brand-600);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.cd-label{font-size:12px;color:var(--ink-2);margin-top:4px}
.cd-sep{font-weight:800;color:var(--brand-600);opacity:.45;font-size:1.1rem}
.point-list{margin:26px 0 0}
.point-item{
  position:relative;display:flex;gap:14px;align-items:flex-start;
  padding:14px 12px 14px 16px;border-bottom:1px dashed var(--line);border-radius:10px;
  transition:background .2s ease;
}
.point-item:last-child{border-bottom:0}
.point-item::before{
  content:"";position:absolute;left:0;top:15px;bottom:15px;width:4px;border-radius:3px;background:var(--grad-brand);
}
.point-item:hover{background:#FAF8FF}
.point-idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--soft-purple);
  color:var(--brand-600);font-size:12.5px;font-weight:800;display:grid;place-items:center;margin-top:2px;
}
.point-title{font-size:15.5px;font-weight:600;line-height:1.5}
.point-desc{font-size:13px;color:var(--ink-2);line-height:1.7;margin:2px 0 0}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.sub-form input{
  flex:1;min-width:190px;height:46px;border-radius:12px;border:1px solid var(--line);
  background:#fff;padding:0 14px;font-size:14px;color:var(--ink);outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.sub-form input::placeholder{color:#9A94AB}
.sub-form input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(110,61,232,.14)}
.sub-hint{font-size:12.5px;color:var(--ink-2);margin:10px 0 0}
.sub-ok{
  display:none;margin-top:12px;font-size:13px;font-weight:600;color:#0F7A57;
  background:rgba(31,169,122,.12);border-radius:var(--r-pill);padding:7px 14px;
}
.sub-ok.show{display:inline-flex;align-items:center;gap:8px}
.entry-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.entry-link{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);color:var(--ink);
  border-radius:var(--r-pill);padding:10px 18px;font-size:14px;font-weight:600;
  transition:transform .2s ease,background .2s ease;
}
.entry-link i{font-size:12px;transition:transform .2s ease;color:#B4560F}
.entry-link:hover{transform:translateY(-1px);background:#FFE6D6}
.entry-link:hover i{transform:translateX(4px)}

/* ---------- 数据徽章条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
}
.stat-item{padding:28px 24px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:clamp(1.6rem,2.4vw,2rem);font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat-num small{font-size:.85rem;font-weight:700;color:var(--accent);margin-left:6px}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:4px}

/* ---------- 资讯列表 ---------- */
.news-card{
  display:flex;gap:18px;background:var(--surface);border-radius:var(--r-md);
  padding:16px;box-shadow:var(--sh-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-cover{flex:0 0 12.5rem;border-radius:12px;overflow:hidden;background:var(--soft-purple)}
.news-cover img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.news-body{display:flex;flex-direction:column;min-width:0;flex:1}
.tag-pill{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand-600);
  background:var(--soft-purple);border-radius:var(--r-pill);padding:3px 10px;
}
.news-title{
  font-size:1.05rem;font-weight:700;line-height:1.5;margin:10px 0 6px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;
  font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;
}
.news-meta i{color:var(--accent);font-size:11px}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;
  padding:54px 24px;text-align:center;color:var(--ink-2);font-size:14.5px;
}
.empty-state i{display:block;font-size:26px;color:var(--brand-500);margin-bottom:12px}
.empty-state a{color:var(--brand-600);font-weight:600}

/* ---------- 看点展开区 ---------- */
.hl-list{display:grid;grid-template-columns:1fr 1fr;gap:16px 28px}
.hl-item{
  position:relative;background:var(--surface);border-radius:var(--r-md);
  padding:20px 20px 20px 66px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.hl-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:3px;background:var(--grad-brand);
}
.hl-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.hl-idx{
  position:absolute;left:20px;top:20px;width:30px;height:30px;border-radius:9px;
  background:var(--soft-purple);color:var(--brand-600);font-weight:800;font-size:13px;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.hl-item h3{font-size:1.02rem;font-weight:700;margin:0 0 6px}
.hl-item p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:#D9D1EC}
.faq-item[open]{border-color:#D9D1EC;box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand-500);line-height:1;
  transition:transform .25s ease;flex:0 0 auto;
}
.faq-item[open] summary{color:var(--brand-600)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);margin:0}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:28px;background:var(--dark);
  padding:56px;color:#fff;
}
.cta-banner::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,61,.34),rgba(255,138,61,0) 66%);
  filter:blur(60px);
}
.cta-banner::after{
  content:"";position:absolute;bottom:-200px;left:-100px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,75,240,.42),rgba(139,75,240,0) 68%);
  filter:blur(70px);
}
.cta-inner{position:relative;z-index:2;max-width:760px}
.cta-banner h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin:0 0 12px;color:#fff}
.cta-banner p{font-size:15px;color:rgba(255,255,255,.72);margin:0;line-height:1.8}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.cta-form input{
  flex:1;min-width:220px;height:50px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;padding:0 16px;font-size:14.5px;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,138,61,.22)}
.cta-form .btnx{height:50px;background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(255,138,61,.26)}
.cta-form .btnx:hover{transform:translateY(-1px);box-shadow:var(--sh-3)}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:14px}
.cta-ok{
  display:none;margin-top:14px;font-size:13px;font-weight:600;color:#B6F3DC;
  background:rgba(31,169,122,.24);border-radius:var(--r-pill);padding:7px 14px;
}
.cta-ok.show{display:inline-flex;align-items:center;gap:8px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--dark);color:rgba(255,255,255,.68);padding:64px 0 0;margin-top:8px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-brand);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.85;margin:16px 0 0;max-width:34ch;color:rgba(255,255,255,.6)}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:0}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-col .fnote{font-size:13px;line-height:1.8;color:rgba(255,255,255,.5);margin:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  font-size:13px;color:rgba(255,255,255,.45);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom span{display:inline-flex;align-items:center;gap:8px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .news-cover{flex:0 0 10.5rem}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-card{transform:none;max-width:560px}
  .float-badge{right:0;bottom:-20px}
  .live-panel{grid-template-columns:1fr;padding:26px;gap:28px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .hl-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-banner{padding:36px}
}
@media (max-width:767px){
  body{line-height:1.8}
  .hero h1{font-size:1.85rem}
  .hero-sub{font-size:1rem}
  .section{padding:48px 0}
  .section-head{margin-bottom:26px}
  .live-panel{padding:20px}
  .cd-num{font-size:1.35rem}
  .countdown{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
  .cd-sep{display:none}
  .news-card{gap:14px;padding:12px}
  .news-cover{flex:0 0 45%}
  .news-title{font-size:.98rem}
  .cta-banner{padding:28px;border-radius:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:32px}
  .float-badge{padding:10px 14px;gap:10px}
  .float-badge .num{font-size:1.1rem}
}
@media (max-width:520px){
  .hero-actions .btnx{width:100%}
  .stat-strip{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 20px}
  .stat-item:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .news-card{flex-direction:column}
  .news-cover{flex:0 0 auto;width:100%}
  .news-cover img{aspect-ratio:16/10}
  .cta-form .btnx{width:100%}
  .float-badge{position:static;margin-top:14px;justify-content:center}
}

/* roulang page: article */
:root{
  --brand-700:#4520A8;
  --brand-600:#5A2BD1;
  --brand-500:#6E3DE8;
  --accent:#FF8A3D;
  --accent-soft:#FFF0E6;
  --ink:#171127;
  --ink-2:#5A5468;
  --line:#E8E3F2;
  --bg:#F7F5FB;
  --surface:#FFFFFF;
  --dark:#171127;
  --soft:#F4F0FC;
  --grad-brand:linear-gradient(120deg,#5A2BD1 0%,#8B4BF0 46%,#FF8A3D 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,17,39,.04);
  --sh-2:0 12px 32px rgba(90,43,209,.10);
  --sh-3:0 22px 48px rgba(90,43,209,.18);
  --ok:#1FA97A;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
button,input{font-family:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:800;color:var(--ink);line-height:1.32;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1200px){.container{padding:0 32px;}}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:22px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad-brand);
  color:#fff;font-size:12.5px;font-weight:800;letter-spacing:.04em;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(90,43,209,.24);
}
.brand-text{font-size:1.05rem;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand:hover .brand-text{color:var(--brand-600);}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--grad-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  position:relative;display:flex;align-items:center;
  width:230px;height:38px;padding:0 10px 0 34px;
  background:var(--soft);border:1px solid transparent;border-radius:10px;
  transition:background .2s,border-color .2s,box-shadow .2s;
}
.search-box:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(110,61,232,.14);}
.search-box i{position:absolute;left:12px;font-size:13px;color:var(--ink-2);}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:13.5px;color:var(--ink);}
.search-box input::placeholder{color:#9A93AC;}
.kbd{font-size:11px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 5px;margin-left:6px;white-space:nowrap;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
  transition:color .2s,border-color .2s,transform .2s;
}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-1px);}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border:0;border-radius:12px;
  background:var(--grad-brand);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 6px 18px rgba(90,43,209,.22);
  transition:transform .2s,box-shadow .2s,filter .2s;
}
.btn-grad:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.05);}
.btn-grad:active{transform:translateY(0);}
.btn-grad.lg{height:46px;padding:0 26px;font-size:15px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:12px;
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-size:15px;font-weight:600;
  transition:border-color .2s,color .2s,transform .2s,box-shadow .2s;
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--sh-1);}
.nav-toggle{
  display:none;width:40px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:15px;
}
.nav-toggle:hover{color:var(--brand-600);border-color:var(--brand-500);}
.nav-drawer{
  display:none;
  background:#fff;
  border-bottom:1px solid var(--line);
  border-radius:0 0 24px 24px;
  padding:12px 0 20px;
  box-shadow:var(--sh-2);
}
.nav-drawer.open{display:block;}
.nav-drawer .drawer-link{
  display:block;padding:0 20px;line-height:48px;height:48px;
  font-size:15px;font-weight:500;color:var(--ink-2);border-radius:12px;
}
.nav-drawer .drawer-link:hover,.nav-drawer .drawer-link.active{background:var(--soft);color:var(--brand-600);font-weight:700;}
.nav-drawer .drawer-search{display:flex;align-items:center;gap:10px;margin:14px 20px 4px;}
.nav-drawer .drawer-search .search-box{width:100%;flex:1;}
.nav-drawer .drawer-cta{margin:14px 20px 0;}
.nav-drawer .drawer-cta .btn-grad{width:100%;height:46px;}
@media(max-width:991px){
  .nav-main,.header-tools .search-box,.header-tools .icon-btn,.header-tools .btn-grad{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;}
}

/* ===== 面包屑 ===== */
.crumb-bar{padding:22px 0 0;}
.crumb{font-size:13px;color:var(--ink-2);display:flex;flex-wrap:wrap;align-items:center;gap:8px;line-height:1.7;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:#BDB6CC;}
.crumb .current{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===== 文章主体 ===== */
.article-section{padding:28px 0 88px;}
.article-card{
  max-width:840px;margin:0 auto;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:32px 24px 36px;
}
@media(min-width:768px){.article-card{padding:48px 52px 52px;}}
.article-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  color:var(--brand-600);background:var(--soft);
  border-radius:var(--r-pill);padding:5px 14px;
}
.article-title{font-size:clamp(1.6rem,3.6vw,2.35rem);line-height:1.34;margin:18px 0 0;font-weight:800;color:var(--ink);}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:22px 0 6px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;line-height:1;padding:7px 12px;border-radius:var(--r-pill);
  background:var(--soft);color:var(--brand-700);font-weight:600;
}
.chip.cat{background:var(--accent-soft);color:#B4531A;}
.chip.plain{background:#fff;border:1px solid var(--line);color:var(--ink-2);font-weight:500;}
.chip i{font-size:11px;}
.article-divider{height:1px;background:var(--line);margin:26px 0 30px;border-radius:1px;}

.prose{font-size:16px;line-height:1.9;color:var(--ink-2);}
.prose>*:first-child{margin-top:0;}
.prose p{margin:0 0 1.2em;}
.prose h2{
  position:relative;font-size:clamp(1.2rem,2.4vw,1.42rem);
  color:var(--ink);font-weight:800;margin:2em 0 .85em;padding-left:15px;line-height:1.45;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
.prose h3{font-size:1.12rem;color:var(--ink);font-weight:700;margin:1.7em 0 .7em;}
.prose h4{font-size:1rem;color:var(--ink);font-weight:700;margin:1.4em 0 .6em;}
.prose a{color:var(--brand-600);border-bottom:1px solid rgba(90,43,209,.3);}
.prose a:hover{color:var(--brand-700);border-bottom-color:var(--brand-700);}
.prose ul,.prose ol{margin:0 0 1.4em;padding-left:1.35em;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin:.42em 0;}
.prose ul li::marker{color:var(--brand-500);}
.prose ol li::marker{color:var(--brand-500);font-weight:700;}
.prose blockquote{
  margin:1.7em 0;padding:16px 22px;
  background:var(--accent-soft);border-left:4px solid var(--accent);
  border-radius:0 12px 12px 0;color:var(--ink);font-size:15.5px;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:16px;margin:1.7em auto;width:auto;max-width:100%;height:auto;box-shadow:var(--sh-1);}
.prose hr{border:0;height:1px;background:var(--line);margin:2em 0;}
.prose table{
  width:100%;border-collapse:collapse;margin:1.7em 0;font-size:14.5px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.prose th{background:var(--soft);color:var(--ink);font-weight:700;}
.prose tbody tr:nth-child(even) td{background:#FAF8FE;}
.prose code{background:var(--soft);color:var(--brand-700);padding:2px 6px;border-radius:6px;font-size:.9em;}

/* 空态 */
.empty-box{
  border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;
  padding:56px 24px;text-align:center;
}
.empty-box .eicon{
  width:56px;height:56px;border-radius:18px;background:var(--soft);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px;
}
.empty-box h2{font-size:1.15rem;margin-bottom:8px;}
.empty-box p{color:var(--ink-2);font-size:14.5px;margin-bottom:20px;}
.empty-box .btn-grad{height:42px;}

/* ===== 相关推荐 ===== */
.related{padding:0 0 88px;}
.related-head{max-width:840px;margin:0 auto 26px;display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.related-head h2{font-size:clamp(1.25rem,2.4vw,1.6rem);}
.related-head .sub{font-size:13.5px;color:var(--ink-2);}
.related-grid{max-width:840px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.related-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 18px 16px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD3F4;}
.related-card .rc-tag{font-size:12px;font-weight:700;color:var(--brand-600);background:var(--soft);border-radius:var(--r-pill);padding:4px 10px;display:inline-block;}
.related-card h3{font-size:15.5px;margin:12px 0 6px;font-weight:700;color:var(--ink);}
.related-card p{font-size:13px;color:var(--ink-2);line-height:1.7;}
.related-card .rc-arrow{margin-top:12px;font-size:13px;color:var(--brand-600);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .2s;}
.related-card:hover .rc-arrow{gap:10px;}

/* ===== CTA 横幅 ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;
  border-radius:28px;padding:32px 24px;
  margin-bottom:88px;
}
@media(min-width:768px){.cta-band{padding:52px 56px;}}
.cta-band::before{
  content:"";position:absolute;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,75,240,.55),transparent 66%);
  top:-290px;right:-160px;filter:blur(40px);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,61,.34),transparent 68%);
  bottom:-260px;left:-150px;filter:blur(50px);pointer-events:none;
}
.cta-inner{position:relative;z-index:1;max-width:760px;}
.cta-inner h2{color:#fff;font-size:clamp(1.35rem,3vw,1.95rem);margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.74);font-size:15px;margin-bottom:26px;max-width:560px;}
.inline-form{display:flex;flex-wrap:wrap;gap:12px;}
.inline-form input{
  flex:1 1 250px;height:46px;border-radius:12px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);
  color:#fff;padding:0 16px;font-size:14.5px;outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.inline-form input::placeholder{color:rgba(255,255,255,.5);}
.inline-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,138,61,.2);background:rgba(255,255,255,.16);}
.inline-form .btn-grad{height:46px;padding:0 26px;}
.form-note{font-size:12.5px;color:rgba(255,255,255,.52);margin-top:14px;}
.success-pill{
  display:none;margin-top:16px;font-size:13px;font-weight:600;
  color:#0E6A4B;background:#E5F8F1;border-radius:var(--r-pill);padding:8px 16px;
}
.success-pill.show{display:inline-block;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--dark);
  color:#fff;
  border-top:1px solid transparent;
  border-image:var(--grad-brand) 1;
  padding-top:56px;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:34px;
  padding-bottom:40px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.64);line-height:1.85;max-width:320px;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.68);
  padding:6px 0;transition:color .2s,transform .2s;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.fnote{font-size:13.5px;color:rgba(255,255,255,.56);line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}
@media(max-width:767px){
  .article-section{padding:20px 0 64px;}
  .article-card{padding:26px 20px 30px;}
  .related{padding-bottom:64px;}
  .cta-band{margin-bottom:64px;}
  .prose{font-size:15px;line-height:1.8;}
}

/* roulang page: category1 */
:root{
  --brand-700:#4520A8;
  --brand-600:#5A2BD1;
  --brand-500:#6E3DE8;
  --brand-100:#F4F0FC;
  --accent:#FF8A3D;
  --accent-soft:#FFF0E6;
  --ink:#171127;
  --ink-2:#5A5468;
  --line:#E8E3F2;
  --bg:#F7F5FB;
  --surface:#FFFFFF;
  --dark:#171127;
  --ok:#1FA97A;
  --grad-brand:linear-gradient(120deg,#5A2BD1 0%,#8B4BF0 46%,#FF8A3D 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,17,39,.04);
  --sh-2:0 12px 32px rgba(90,43,209,.10);
  --sh-3:0 22px 48px rgba(90,43,209,.18);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-700);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1200px){.container{padding:0 32px;}}

/* ---------- Header ---------- */
.site-head{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-head.is-scrolled{box-shadow:var(--sh-1);}
.head-inner{
  display:flex;align-items:center;gap:20px;
  min-height:68px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--ink);flex-shrink:0;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:var(--grad-brand);
  color:#fff;font-size:12px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 4px 12px rgba(90,43,209,.28);
}
.brand-text{
  font-size:1.05rem;font-weight:800;letter-spacing:-.02em;white-space:nowrap;
}

.nav-main{
  display:none;align-items:center;gap:28px;margin-left:8px;
}
.nav-link{
  position:relative;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}

.head-right{
  display:none;align-items:center;gap:12px;margin-left:auto;
}
.cmd-search{
  position:relative;display:flex;align-items:center;
  width:228px;height:38px;
  background:var(--brand-100);
  border:1px solid transparent;
  border-radius:10px;
  padding:0 10px 0 34px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cmd-search:focus-within{
  background:#fff;
  border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(110,61,232,.12);
}
.cmd-search .si{
  position:absolute;left:11px;top:50%;transform:translateY(-50%);
  color:var(--ink-2);font-size:13px;
}
.cmd-search input{
  border:0;background:transparent;outline:none;
  width:100%;height:100%;
  font-size:13.5px;color:var(--ink);
}
.cmd-search input::placeholder{color:#8C86A0;}
.cmd-kbd{
  flex:0 0 auto;margin-left:6px;
  font-size:11px;font-weight:600;color:#8C86A0;
  background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;line-height:1.6;
}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:14px;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand-600);border-color:#D8CEF5;box-shadow:var(--sh-1);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:12px;
  padding:11px 20px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  line-height:1.4;
}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 6px 18px rgba(90,43,209,.22);
}
.btn-primary:hover{
  color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(90,43,209,.2);}
.btn-ghost{
  background:#fff;color:var(--ink);border-color:var(--line);
  box-shadow:var(--sh-1);
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:10px;}
.btn-lg{padding:14px 26px;font-size:16px;border-radius:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

.nav-toggle{
  margin-left:auto;
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:16px;cursor:pointer;
}
.nav-toggle:hover{border-color:#D8CEF5;color:var(--brand-600);}

.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  border-bottom-left-radius:24px;
  border-bottom-right-radius:24px;
  box-shadow:var(--sh-2);
  padding:8px 0 20px;
}
.drawer.open{display:block;}
.drawer .container{display:flex;flex-direction:column;gap:2px;}
.drawer .nav-link{
  display:block;padding:0;
  min-height:48px;line-height:48px;font-size:15.5px;
  border-bottom:1px solid var(--line);
}
.drawer .nav-link::after{display:none;}
.drawer .nav-link.active{color:var(--brand-600);}
.drawer .cmd-search{width:100%;margin-top:16px;}
.drawer .btn{width:100%;margin-top:14px;}

@media (min-width:992px){
  .nav-main{display:flex;}
  .head-right{display:flex;}
  .nav-toggle{display:none;}
  .drawer{display:none !important;}
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 48px;
  overflow:hidden;
  background:
    radial-gradient(760px 420px at 88% -10%,rgba(110,61,232,.10),transparent 70%),
    var(--bg);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.16;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.88),rgba(247,245,251,.96));
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media (min-width:992px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:56px;}
}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);
  color:#B8541A;
  font-size:.75rem;font-weight:700;letter-spacing:.04em;
}
.tag-pill .dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px rgba(255,138,61,.18);
}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(1.85rem,4vw,2.85rem);
  font-weight:800;
}
.page-hero h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:16px;
  font-size:16px;color:var(--ink-2);max-width:44ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.mini-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);font-weight:500;
  box-shadow:var(--sh-1);
}
.mini-badge i{color:var(--brand-600);font-size:12px;}

.hero-card{
  position:relative;
  background:var(--surface);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:14px;
  transform:rotate(-1.2deg);
  transition:transform .3s ease;
}
.hero-card:hover{transform:rotate(0deg) translateY(-2px);}
.hero-card .cover{
  position:relative;border-radius:18px;overflow:hidden;
  aspect-ratio:16/10;
}
.hero-card .cover img{width:100%;height:100%;object-fit:cover;}
.hero-card .cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 30%,rgba(23,17,39,.74) 100%);
}
.cover-state{
  position:absolute;top:12px;right:12px;z-index:3;
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.94);
  border-radius:var(--r-pill);
  padding:5px 12px;font-size:12px;font-weight:700;color:var(--brand-600);
}
.cover-state .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.cover-caption{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:3;color:#fff;
}
.cover-caption strong{display:block;font-size:1rem;font-weight:700;letter-spacing:-.01em;}
.cover-caption span{font-size:12.5px;color:rgba(255,255,255,.78);}
.hero-card .card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 8px 4px;
}
.hero-card .card-foot .t{font-size:13px;color:var(--ink-2);}
.hero-card .card-foot .n{
  font-size:1.05rem;font-weight:800;color:var(--brand-600);
  font-variant-numeric:tabular-nums;
}
@media (max-width:767px){
  .hero-card{transform:none;}
  .hero-card:hover{transform:none;}
  .page-hero{padding:40px 0 36px;}
}

/* ---------- Sections ---------- */
.section{padding:48px 0;}
@media (min-width:768px){.section{padding:64px 0;}}
@media (min-width:1200px){.section{padding:88px 0;}}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{
  position:relative;
  font-size:clamp(1.4rem,2.6vw,2rem);
  padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:4px;background:var(--grad-brand);
}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px;}

/* ---------- Flow rows ---------- */
.flow-list{display:flex;flex-direction:column;gap:24px;}
.flow-row{
  display:grid;grid-template-columns:1fr;gap:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.flow-row:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
@media (min-width:768px){
  .flow-row{grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:32px;}
}
.flow-media{border-radius:var(--r-md);overflow:hidden;background:var(--brand-100);}
.flow-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.flow-row:hover .flow-media img{transform:scale(1.03);}
.flow-body .step-no{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;color:var(--brand-600);
  background:var(--brand-100);border-radius:var(--r-pill);
  padding:4px 12px;
}
.flow-body h3{margin-top:14px;font-size:1.15rem;}
.flow-body p{margin-top:12px;color:var(--ink-2);font-size:15.5px;}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--ink-2);
}
.check-list li i{
  color:var(--brand-600);font-size:13px;margin-top:6px;flex:0 0 auto;
}
.check-list li strong{color:var(--ink);font-weight:700;}
@media (min-width:768px){
  .flow-row.rev .flow-media{order:2;}
  .flow-row.rev .flow-body{order:1;}
}

/* ---------- Steps strip ---------- */
.steps-strip{
  display:grid;grid-template-columns:1fr;gap:16px;
  counter-reset:stepc;
}
@media (min-width:768px){.steps-strip{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.steps-strip{grid-template-columns:repeat(4,1fr);}}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--sh-1);
  transition:all .25s ease;
}
.step-card:hover{border-color:#D8CEF5;box-shadow:var(--sh-2);transform:translateY(-2px);}
.step-card .n{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-600);
  font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{margin-top:14px;font-size:1rem;}
.step-card p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ---------- Notice / advice panel ---------- */
.advice-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 22px;
  box-shadow:var(--sh-1);
}
@media (min-width:768px){.advice-panel{padding:36px;}}
.advice-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.advice-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.advice-item{display:flex;gap:14px;align-items:flex-start;}
.advice-item .ico{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:#C25E18;font-size:15px;
}
.advice-item h3{font-size:.98rem;}
.advice-item p{margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#DCD3F7;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;
  font-size:15.5px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-600);}
.faq-item[open] summary{color:var(--brand-600);}
.faq-item summary .pm{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-600);
  font-size:12px;transition:transform .25s ease;
}
.faq-item[open] summary .pm{transform:rotate(45deg);}
.faq-answer{
  padding:0 20px 20px;
  font-size:15px;line-height:1.8;color:var(--ink-2);
  border-top:1px dashed var(--line);
  padding-top:16px;
  margin:0 20px 20px;
}

/* ---------- Pills nav ---------- */
.pill-nav{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:8px;
}
.pill-link{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  color:var(--ink);font-size:14px;font-weight:600;
  box-shadow:var(--sh-1);
  transition:all .2s ease;
}
.pill-link i{font-size:12px;color:var(--brand-600);transition:transform .2s ease;}
.pill-link:hover{
  border-color:var(--brand-500);color:var(--brand-600);
  box-shadow:var(--sh-2);transform:translateY(-1px);
}
.pill-link:hover i{transform:translateX(3px);}
.pill-link.current{
  background:var(--brand-100);border-color:#D8CEF5;color:var(--brand-700);cursor:default;
}

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:28px;
  padding:32px 24px;
  background:var(--dark);
  color:#fff;
  box-shadow:var(--sh-3);
}
@media (min-width:768px){.cta-banner{padding:52px 48px;}}
.cta-banner::before{
  content:"";position:absolute;right:-120px;top:-140px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,75,240,.55),transparent 66%);
}
.cta-banner::after{
  content:"";position:absolute;left:-100px;bottom:-180px;
  width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,61,.38),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
@media (min-width:992px){.cta-inner{grid-template-columns:1.15fr .85fr;gap:48px;}}
.cta-banner h2{font-size:clamp(1.35rem,2.6vw,1.95rem);color:#fff;}
.cta-banner p{margin-top:12px;color:rgba(255,255,255,.74);font-size:15.5px;max-width:52ch;}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;}
.cta-form input{
  flex:1 1 200px;min-width:0;height:48px;
  border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#fff;padding:0 16px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.5);}
.cta-form input:focus{
  border-color:var(--accent);
  background:rgba(255,255,255,.12);
  box-shadow:0 0 0 4px rgba(255,138,61,.18);
}
.cta-form .btn-primary{flex:0 0 auto;height:48px;padding:0 22px;}
.form-hint{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.55);}
.form-ok{
  display:none;margin-top:14px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(31,169,122,.16);
  border:1px solid rgba(31,169,122,.5);
  color:#7FE3BE;font-size:13px;font-weight:600;
}
.form-ok.show{display:inline-flex;align-items:center;gap:8px;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:0;
  background:var(--dark);
  color:#fff;
  border-top:1px solid transparent;
  background-image:linear-gradient(var(--dark),var(--dark)),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.footer-inner{padding:56px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-bottom:40px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-desc{
  margin-top:16px;font-size:14px;line-height:1.85;
  color:rgba(255,255,255,.62);max-width:34ch;
}
.footer-col h3{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.68);
  padding:5px 0;transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.fnote{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.55);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 20px;
  align-items:center;justify-content:space-between;
  padding:18px 0 24px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.45);
}

/* roulang page: category2 */
:root{
  --brand-700:#4520A8;
  --brand-600:#5A2BD1;
  --brand-500:#6E3DE8;
  --accent:#FF8A3D;
  --accent-soft:#FFF0E6;
  --ink:#171127;
  --ink-2:#5A5468;
  --line:#E8E3F2;
  --bg:#F7F5FB;
  --surface:#FFFFFF;
  --dark:#171127;
  --grad-brand:linear-gradient(120deg,#5A2BD1 0%,#8B4BF0 46%,#FF8A3D 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,17,39,.04);
  --sh-2:0 12px 32px rgba(90,43,209,.10);
  --sh-3:0 22px 48px rgba(90,43,209,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.3;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.sec-head{margin-bottom:36px;max-width:760px;}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);position:relative;padding-left:18px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:1.1em;border-radius:6px;background:var(--grad-brand);
}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  color:#fff;background:var(--grad-brand);
  margin-bottom:18px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;
  padding:0 22px;height:46px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.05);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:10px;}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:70px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);
  color:#fff;font-size:13px;font-weight:800;letter-spacing:.02em;
  display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.brand-text{font-size:1.05rem;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand:hover .brand-text{color:var(--brand-600);}
.nav-main{display:flex;align-items:center;gap:28px;margin-right:auto;}
.nav-link{
  position:relative;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-700);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:12px;}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:38px;padding:0 10px 0 12px;
  background:#F4F0FC;border:1px solid transparent;border-radius:10px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.command-search i{color:var(--ink-2);font-size:13px;}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:13.5px;color:var(--ink);
}
.command-search input::placeholder{color:#9A93AB;}
.command-search .kbd{
  font-size:11px;color:#8C86A0;background:#fff;
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;
  font-variant-numeric:tabular-nums;
}
.command-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 4px rgba(110,61,232,.12);}
.icon-btn{
  width:38px;height:38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);border:1px solid var(--line);background:#fff;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-1px);}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:15px;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:#fff;border-radius:0 0 var(--r-lg) var(--r-lg);
  padding:16px 24px 24px;box-shadow:var(--sh-2);
}
.mobile-drawer.open{display:block;}
.mobile-drawer .m-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:15px;color:var(--ink);font-weight:600;
  border-bottom:1px dashed var(--line);
}
.mobile-drawer .m-link.active{color:var(--brand-600);}
.mobile-drawer .command-search{width:100%;margin:16px 0;}
.mobile-drawer .btn{width:100%;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:18px 0 0;font-size:13px;color:var(--ink-2);}
.crumb-bar a{color:var(--ink-2);}
.crumb-bar a:hover{color:var(--brand-600);}
.crumb-bar .sep{margin:0 8px;color:#B7B0C7;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:56px 0 88px;
  overflow:hidden;
  background:
    radial-gradient(720px 420px at 88% 6%,rgba(110,61,232,.14),transparent 70%),
    radial-gradient(520px 300px at 6% 92%,rgba(255,138,61,.12),transparent 70%),
    var(--bg);
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}
.hero h1{
  font-size:clamp(2rem,4vw,3rem);
  margin-bottom:18px;
}
.hero h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16.5px;color:var(--ink-2);max-width:520px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 14px;
}
.hero-tags i{color:var(--brand-500);font-size:12px;}
.hero-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:visible;
  box-shadow:var(--sh-2);
  transform:rotate(-1.2deg);
  transition:transform .3s ease,box-shadow .3s ease;
}
.hero-card:hover{transform:rotate(0deg) translateY(-4px);box-shadow:var(--sh-3);}
.hero-cover{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/11;
  background:#2A1B4E;
}
.hero-cover img{width:100%;height:100%;object-fit:cover;}
.hero-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,17,39,0) 30%,rgba(23,17,39,.76) 100%);
}
.hero-cover .status-pill{
  position:absolute;top:16px;right:16px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.94);color:var(--brand-700);
  font-size:12px;font-weight:700;padding:6px 12px;border-radius:var(--r-pill);
}
.hero-cover .status-pill .dot{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,138,61,.22);
}
.hero-cover .cover-meta{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;
}
.hero-cover .cover-meta h3{color:#fff;font-size:1.05rem;margin-bottom:4px;}
.hero-cover .cover-meta p{font-size:12.5px;color:rgba(255,255,255,.78);}
.float-badge{
  position:absolute;right:-16px;bottom:-22px;
  background:#fff;border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:12px;
  border:1px solid var(--line);
}
.float-badge .num{
  font-size:1.5rem;font-weight:800;color:var(--brand-600);
  font-variant-numeric:tabular-nums;line-height:1;
}
.float-badge .txt{font-size:12px;color:var(--ink-2);line-height:1.5;}
.float-badge .txt strong{display:block;color:var(--ink);font-size:12.5px;}

/* ============ 预告面板 ============ */
.panel{
  background:var(--surface);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:38px;
}
.panel-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px;}
.panel-head h2{font-size:1.4rem;}
.panel-head .sub{font-size:13px;color:var(--ink-2);margin-top:4px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:var(--brand-700);
  background:#F4F0FC;border-radius:var(--r-pill);padding:5px 12px;
}
.tag-accent{color:#A34F12;background:var(--accent-soft);}

.countdown{display:flex;align-items:flex-start;gap:10px;margin-bottom:30px;}
.cd-unit{
  min-width:76px;padding:12px 8px 10px;
  background:#F4F0FC;border-radius:var(--r-sm);text-align:center;
}
.cd-num{
  display:block;font-size:1.7rem;font-weight:800;color:var(--brand-600);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.cd-label{display:block;font-size:12px;color:var(--ink-2);margin-top:4px;}
.cd-sep{font-size:1.5rem;font-weight:800;color:#C7BFDC;line-height:1.5;}

.watch-list{border-top:1px solid var(--line);}
.watch-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 0;border-bottom:1px dashed var(--line);
  transition:background .2s ease;
}
.watch-item:hover{background:#FBF9FF;}
.watch-item .bar{
  width:4px;align-self:stretch;border-radius:4px;background:var(--grad-brand);flex-shrink:0;
}
.watch-item .idx{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  background:#F4F0FC;color:var(--brand-700);
  font-size:12.5px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.watch-item h3{font-size:15.5px;font-weight:600;margin-bottom:2px;}
.watch-item p{font-size:13px;color:var(--ink-2);}
.watch-item .time{
  margin-left:auto;font-size:12.5px;color:var(--ink-2);
  font-variant-numeric:tabular-nums;white-space:nowrap;padding-top:2px;
}

.subscribe-box{
  margin-top:26px;padding:22px;
  background:#FBF9FF;border:1px solid var(--line);border-radius:var(--r-md);
}
.subscribe-box h3{font-size:1.02rem;margin-bottom:6px;}
.subscribe-box .hint{font-size:13px;color:var(--ink-2);margin-bottom:16px;}
.inline-form{display:flex;gap:12px;flex-wrap:wrap;}
.inline-form input{
  flex:1;min-width:220px;height:46px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  font-size:14px;color:var(--ink);background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.inline-form input::placeholder{color:#9A93AB;}
.inline-form input:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(110,61,232,.12);}
.form-note{font-size:12px;color:var(--ink-2);margin-top:12px;}
.form-success{
  display:none;margin-top:14px;
  background:rgba(31,169,122,.10);color:#1FA97A;
  border:1px solid rgba(31,169,122,.28);
  border-radius:var(--r-pill);padding:8px 16px;font-size:13px;font-weight:600;
}
.form-success.show{display:inline-flex;align-items:center;gap:8px;}

.entry-strip{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.entry-link{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--accent-soft);color:var(--ink);
  border-radius:var(--r-pill);padding:11px 20px;
  font-size:14px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.entry-link i{transition:transform .2s ease;color:#A34F12;}
.entry-link:hover{background:#FFE5D2;color:var(--ink);box-shadow:var(--sh-1);}
.entry-link:hover i{transform:translateX(4px);}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat-cell{padding:28px 26px;border-right:1px solid var(--line);}
.stat-cell:last-child{border-right:0;}
.stat-cell .num{
  font-size:1.9rem;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-cell .num em{font-style:normal;font-size:.9rem;color:var(--accent);margin-left:4px;font-weight:700;}
.stat-cell .label{font-size:13px;color:var(--ink-2);margin-top:6px;}

/* ============ 图文交错块 ============ */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.zig + .zig{margin-top:72px;}
.zig-media{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);
  aspect-ratio:16/10;background:#EDE8F8;
}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.zig-media:hover img{transform:scale(1.03);}
.zig-body h2{font-size:clamp(1.35rem,2.2vw,1.75rem);margin-bottom:14px;}
.zig-body p{color:var(--ink-2);font-size:15.5px;margin-bottom:14px;}
.zig-list{margin-top:8px;}
.zig-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--ink);margin-bottom:10px;
}
.zig-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);
}
.zig.reverse .zig-media{order:2;}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(90,43,209,.55),rgba(255,138,61,.45));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:6px;
  width:20px;height:20px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-500);
  box-shadow:0 0 0 4px rgba(110,61,232,.10);
}
.tl-item .tl-time{font-size:12.5px;font-weight:700;color:var(--brand-600);letter-spacing:.02em;}
.tl-item h3{font-size:1.05rem;margin:4px 0 6px;}
.tl-item p{font-size:14.5px;color:var(--ink-2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--line) !important;
  border-radius:var(--r-md) !important;
  background:#fff;margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  font-size:15.5px;font-weight:600;color:var(--ink);
  background:#fff;padding:18px 20px;box-shadow:none !important;
  border-radius:var(--r-md) !important;
}
.accordion-button:not(.collapsed){color:var(--brand-600);background:#FBF9FF;}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;
  filter:invert(28%) sepia(72%) saturate(2600%) hue-rotate(246deg) brightness(88%) contrast(92%);
  transition:transform .25s ease;
}
.accordion-body{padding:0 20px 20px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ============ 分类胶囊 ============ */
.pill-nav{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.pill-nav a{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:10px 20px;font-size:14px;font-weight:600;color:var(--ink);
  transition:all .2s ease;
}
.pill-nav a:hover{color:var(--brand-700);border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--sh-1);}
.pill-nav a.is-current{background:#F4F0FC;border-color:#DCCFF8;color:var(--brand-700);}

/* ============ CTA ============ */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:28px;padding:52px;
  background:var(--dark);
  box-shadow:var(--sh-3);
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 12% 8%,rgba(110,61,232,.62),transparent 68%),
    radial-gradient(520px 300px at 92% 92%,rgba(255,138,61,.42),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.76);font-size:15px;}
.cta-form .inline-form input{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.20);
  color:#fff;
}
.cta-form .inline-form input::placeholder{color:rgba(255,255,255,.55);}
.cta-form .inline-form input:focus{border-color:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.16);}
.cta-form .form-note{color:rgba(255,255,255,.55);}
.cta-form .form-success{background:rgba(31,169,122,.18);border-color:rgba(31,169,122,.45);color:#7DE6C2;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  margin-top:96px;
  border-top:1px solid transparent;
  background-image:linear-gradient(var(--dark),var(--dark)),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand .brand-mark{margin-right:8px;}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-top:16px;max-width:340px;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.68);
  margin-bottom:10px;transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.fnote{font-size:13px;line-height:1.8;color:rgba(255,255,255,.55);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{padding-left:24px;padding-right:24px;}
  .hero-grid{gap:40px;}
  .section{padding:76px 0;}
  .cta-banner{padding:44px;}
}
@media (max-width:991.98px){
  .nav-main{display:none;}
  .command-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;gap:14px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero-card{transform:none;max-width:560px;}
  .float-badge{right:8px;bottom:-18px;}
  .zig{grid-template-columns:1fr;gap:28px;}
  .zig.reverse .zig-media{order:0;}
  .zig + .zig{margin-top:56px;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(2){border-right:0;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  body{font-size:15px;line-height:1.8;}
  .section{padding:52px 0;}
  .section-tight{padding:44px 0;}
  .hero{padding:32px 0 60px;}
  .hero-lead{font-size:15.5px;}
  .panel{padding:22px;}
  .countdown{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
  .cd-sep{display:none;}
  .cd-unit{min-width:0;}
  .watch-item{flex-wrap:wrap;}
  .watch-item .time{margin-left:42px;width:100%;}
  .cta-banner{padding:28px;border-radius:22px;}
  .stat-bar{grid-template-columns:1fr 1fr;}
  .stat-cell{padding:20px 18px;}
  .stat-cell .num{font-size:1.5rem;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .inline-form input{min-width:0;width:100%;}
  .inline-form .btn{width:100%;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-28px;width:16px;height:16px;}
  .timeline::before{left:7px;}
}
@media (max-width:519.98px){
  .hero h1{font-size:1.75rem;}
  .float-badge{padding:10px 12px;}
  .float-badge .num{font-size:1.25rem;}
  .pill-nav a{font-size:13px;padding:8px 16px;}
}

/* roulang page: category3 */
:root{
  --brand-700:#4520A8;
  --brand-600:#5A2BD1;
  --brand-500:#6E3DE8;
  --accent:#FF8A3D;
  --accent-soft:#FFF0E6;
  --ink:#171127;
  --ink-2:#5A5468;
  --line:#E8E3F2;
  --bg:#F7F5FB;
  --surface:#FFFFFF;
  --dark:#171127;
  --grad-brand:linear-gradient(120deg,#5A2BD1 0%,#8B4BF0 46%,#FF8A3D 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,17,39,.04);
  --sh-2:0 12px 32px rgba(90,43,209,.10);
  --sh-3:0 22px 48px rgba(90,43,209,.18);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
h1,h2,h3,h4{letter-spacing:-.02em;font-weight:800;line-height:1.3;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
ul{list-style:none;padding:0;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;}
@media (max-width:991px){ .container{padding:0 24px;} }
@media (max-width:575px){ .container{padding:0 16px;} }

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:26px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);
  color:#fff;font-size:.76rem;font-weight:800;letter-spacing:.03em;
  display:grid;place-items:center;flex-shrink:0;
}
.brand-text{font-size:1.05rem;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:6px;}
.nav-link{
  position:relative;font-size:14.5px;font-weight:500;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--grad-brand);border-radius:2px;transition:width .22s ease;
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{width:100%;}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{position:relative;width:220px;}
.search-box input{
  width:100%;height:38px;border-radius:10px;border:1px solid transparent;
  background:#F4F0FC;padding:0 60px 0 36px;font-size:13.5px;color:var(--ink);
  transition:all .2s ease;
}
.search-box input::placeholder{color:#9A93AB;}
.search-box input:focus{
  outline:none;background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(110,61,232,.14);
}
.search-box .search-icon{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  color:#9A93AB;font-size:13px;pointer-events:none;
}
.search-box .kbd{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:11px;color:#8B84A0;background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;line-height:1.5;pointer-events:none;
}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:grid;place-items:center;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-500);box-shadow:var(--sh-1);}
.btn-login{
  height:38px;padding:0 18px;border:0;border-radius:10px;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;
  display:inline-flex;align-items:center;gap:6px;transition:all .2s ease;
}
.btn-login:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.04);}
.btn-login:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  place-items:center;font-size:15px;
}
@media (max-width:991px){
  .header-inner{gap:14px;}
  .search-box,.header-right .icon-btn{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .header-right{margin-left:0;gap:8px;}
  .nav-main{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:6px 24px 22px;
    border-bottom:1px solid var(--line);
    border-radius:0 0 24px 24px;
    box-shadow:var(--sh-2);
    display:none;
  }
  .site-header.is-open .nav-main{display:flex;}
  .nav-link{padding:14px 0;font-size:15px;border-bottom:1px solid var(--line);}
  .nav-link:last-child{border-bottom:0;}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--brand-600);}
}

/* ---------- hero ---------- */
.page-hero{
  position:relative;padding:72px 0 68px;
  background-image:linear-gradient(rgba(255,255,255,.90),rgba(247,245,251,.96)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;
  border-radius:var(--r-pill);background:rgba(110,61,232,.09);
  color:var(--brand-600);font-size:.76rem;font-weight:700;letter-spacing:.05em;
}
.eyebrow i{font-size:.72rem;}
.page-hero h1{
  font-size:clamp(2rem,4vw,3rem);line-height:1.22;margin:20px 0 18px;color:var(--ink);
}
.hero-lead{font-size:1.02rem;color:var(--ink-2);line-height:1.85;max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn-grad{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;
  border:0;border-radius:var(--r-sm);background:var(--grad-brand);
  color:#fff;font-size:15px;font-weight:700;box-shadow:var(--sh-2);
  transition:all .2s ease;
}
.btn-grad:hover{transform:translateY(-1px);box-shadow:var(--sh-3);filter:brightness(1.05);color:#fff;}
.btn-grad:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  color:var(--ink);font-size:15px;font-weight:600;transition:all .2s ease;
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);}
.cap-index{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:26px;
}
.cap-index h2{font-size:.95rem;font-weight:800;color:var(--ink);margin-bottom:14px;}
.cap-index a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 12px;border-radius:var(--r-sm);font-size:14.5px;color:var(--ink-2);
  transition:all .2s ease;
}
.cap-index a:hover{background:#F4F0FC;color:var(--brand-600);transform:translateX(2px);}
.cap-index a .idx{font-size:12px;color:#9A93AB;font-variant-numeric:tabular-nums;}
@media (max-width:991px){
  .page-hero{padding:52px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:575px){
  .page-hero{padding:40px 0 40px;}
  .hero-actions{gap:10px;}
  .btn-grad,.btn-ghost{width:100%;justify-content:center;}
}

/* ---------- features ---------- */
.section{padding:88px 0;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);color:var(--ink);margin-bottom:14px;}
.section-head p{font-size:15px;color:var(--ink-2);}
.section-head .bar{
  width:44px;height:4px;border-radius:2px;background:var(--grad-brand);margin-bottom:18px;
}
.features{background:var(--bg);}
.feature-row{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:36px 0;
}
.feature-row + .feature-row{border-top:1px dashed var(--line);}
.feature-row.alt .feature-media{order:2;}
.feature-media{position:relative;}
.feature-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-2);
}
.num-badge{
  position:absolute;left:18px;top:18px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  font-variant-numeric:tabular-nums;box-shadow:var(--sh-1);
}
.feature-copy h2{font-size:clamp(1.35rem,2.2vw,1.75rem);color:var(--ink);margin:14px 0 14px;}
.kicker{
  display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.06em;
  color:var(--brand-600);padding-left:12px;position:relative;
}
.kicker::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:14px;border-radius:2px;background:var(--grad-brand);
}
.feature-copy > p{font-size:15px;color:var(--ink-2);line-height:1.9;}
.point-list{margin-top:22px;}
.point-list li{
  position:relative;padding-left:20px;margin-bottom:14px;
  font-size:15px;color:var(--ink-2);line-height:1.85;
}
.point-list li:last-child{margin-bottom:0;}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:4px;height:14px;border-radius:2px;background:var(--grad-brand);
}
.point-list strong{color:var(--ink);font-weight:700;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:24px;
  font-size:14.5px;font-weight:700;color:var(--brand-600);
}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(4px);}
@media (max-width:991px){
  .section{padding:64px 0;}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:28px 0;}
  .feature-row.alt .feature-media{order:0;}
  .section-head{margin-bottom:32px;}
}
@media (max-width:575px){
  .section{padding:48px 0;}
  .feature-copy > p,.point-list li{font-size:14.5px;}
}

/* ---------- related pills ---------- */
.pill-group{display:flex;flex-wrap:wrap;gap:12px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all .2s ease;
}
.pill:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-1);}
.pill i{font-size:12px;color:var(--brand-500);}
.related{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.related .section-head{margin-bottom:28px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(110,61,232,.32);box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 20px;font-size:15.5px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-600);}
.faq-item[open] summary{color:var(--brand-600);}
.faq-icon{
  width:26px;height:26px;border-radius:50%;background:#F4F0FC;color:var(--brand-600);
  display:grid;place-items:center;font-size:15px;font-weight:700;flex-shrink:0;
  transition:all .25s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad-brand);color:#fff;}
.faq-body{padding:0 20px 20px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ---------- cta ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:28px;padding:52px;
  background:var(--dark);
  color:#fff;
}
.cta-banner::before{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;
  background:var(--grad-brand);filter:blur(90px);opacity:.45;pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.cta-banner h2{font-size:clamp(1.45rem,2.5vw,2rem);color:#fff;margin-bottom:12px;}
.cta-banner p{font-size:15px;color:rgba(255,255,255,.72);line-height:1.85;max-width:30em;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;height:48px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;padding:0 16px;font-size:14.5px;transition:all .2s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.5);}
.cta-form input:focus{
  outline:none;border-color:var(--accent);background:rgba(255,255,255,.14);
  box-shadow:0 0 0 3px rgba(255,138,61,.18);
}
.cta-form button{
  height:48px;padding:0 26px;border:0;border-radius:var(--r-sm);
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;
  transition:all .2s ease;
}
.cta-form button:hover{transform:translateY(-1px);box-shadow:var(--sh-3);filter:brightness(1.05);}
.form-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:12px;}
.form-note.is-ok{color:#1FA97A;}
@media (max-width:991px){
  .cta-banner{padding:34px;border-radius:22px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--dark);color:rgba(255,255,255,.68);
  padding:64px 0 0;margin-top:88px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:48px;
}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.9;margin-top:16px;max-width:320px;color:rgba(255,255,255,.6);}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.68);
  margin-bottom:11px;transition:all .2s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.fnote{font-size:13px;line-height:1.85;color:rgba(255,255,255,.55);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:8px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.45);
}
@media (max-width:991px){
  .site-footer{margin-top:64px;padding-top:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{justify-content:flex-start;}
}

/* roulang page: category4 */
:root{
  --brand-700:#4520A8;
  --brand-600:#5A2BD1;
  --brand-500:#6E3DE8;
  --accent:#FF8A3D;
  --accent-soft:#FFF0E6;
  --ink:#171127;
  --ink-2:#5A5468;
  --line:#E8E3F2;
  --bg:#F7F5FB;
  --surface:#FFFFFF;
  --dark:#171127;
  --grad-brand:linear-gradient(120deg,#5A2BD1 0%,#8B4BF0 46%,#FF8A3D 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,17,39,.04);
  --sh-2:0 12px 32px rgba(90,43,209,.10);
  --sh-3:0 22px 48px rgba(90,43,209,.18);
  --soft:#F4F0FC;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,transform .2s ease;}
a:hover{color:var(--brand-700);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.35;}
p{margin:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (max-width:991px){.container{padding:0 24px;}}
@media (max-width:575px){.container{padding:0 16px;}}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(255,255,255,.98);}
.nav-wrap{
  height:70px;display:flex;align-items:center;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);
  color:#fff;font-size:.74rem;font-weight:800;letter-spacing:.02em;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(90,43,209,.28);
}
.brand-text{font-size:1.05rem;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand:hover .brand-text{color:var(--brand-600);}
.nav-main{
  display:flex;align-items:center;gap:28px;margin-left:8px;
}
.nav-link{
  position:relative;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--grad-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:38px;border-radius:10px;
  background:var(--soft);border:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.command-search i{color:var(--ink-2);font-size:.82rem;margin-left:12px;}
.command-search input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:13.5px;color:var(--ink);padding:0 8px;
}
.command-search input::placeholder{color:#9A93AB;}
.command-search .kbd{
  margin-right:8px;font-size:11px;color:#8A829B;
  background:#fff;border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;line-height:1.5;
}
.command-search:focus-within{
  background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(110,61,232,.12);
}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:.2s ease;
}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-primary-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:38px;padding:0 18px;border:0;border-radius:10px;
  background:var(--grad-brand);color:#fff;
  font-size:14px;font-weight:600;
  box-shadow:0 6px 16px rgba(90,43,209,.22);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-primary-grad:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.05);color:#fff;}
.btn-primary-grad:active{transform:translateY(0);}
.btn-primary-grad:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.burger{
  display:none;width:40px;height:38px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:1rem;
}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  border-radius:0 0 24px 24px;
  padding:12px 24px 20px;
  box-shadow:var(--sh-2);
}
.mobile-panel.open{display:block;}
.mobile-panel .nav-link{
  display:block;padding:0 4px;line-height:48px;font-size:15px;
  border-bottom:1px solid var(--line);
}
.mobile-panel .nav-link::after{display:none;}
.mobile-panel .nav-link.active{color:var(--brand-600);}
.mobile-panel .command-search{width:100%;margin:14px 0 12px;height:44px;}
.mobile-panel .btn-primary-grad{width:100%;height:44px;}
@media (max-width:1119px){
  .command-search{width:180px;}
  .nav-main{gap:20px;}
}
@media (max-width:991px){
  .nav-main,.nav-tools .command-search,.nav-tools .icon-btn,.nav-tools .btn-primary-grad{display:none;}
  .burger{display:inline-flex;}
  .nav-wrap{height:64px;}
}

/* ============ HERO ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(760px 420px at 88% -10%,rgba(110,61,232,.14),transparent 70%),
    radial-gradient(520px 320px at 4% 110%,rgba(255,138,61,.12),transparent 70%),
    var(--bg);
  padding:64px 0 72px;
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);margin-bottom:26px;
}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs span.sep{color:#BDB6CC;}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:linear-gradient(120deg,rgba(90,43,209,.12),rgba(255,138,61,.16));
  color:var(--brand-700);font-size:.78rem;font-weight:700;letter-spacing:.02em;
}
.hero-title{
  font-size:clamp(2rem,4vw,3rem);
  margin:20px 0 18px;
  color:var(--ink);
}
.hero-title em{
  font-style:normal;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:1.02rem;color:var(--ink-2);max-width:34em;line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-size:14.5px;font-weight:600;transition:.2s ease;
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-lg-grad{
  height:46px;padding:0 24px;border-radius:12px;font-size:14.5px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-badges .chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 14px;
}
.hero-badges .chip i{color:var(--brand-500);font-size:.78rem;}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-3);
  transform:rotate(-1.2deg);
  background:var(--ink);
}
.hero-card img{
  width:100%;height:340px;object-fit:cover;
}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 30%,rgba(23,17,39,.78) 100%);
}
.hero-card .status{
  position:absolute;top:16px;right:16px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--brand-700);
  font-size:12px;font-weight:700;border-radius:var(--r-pill);
  padding:5px 13px;
}
.hero-card .cap{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;color:#fff;
}
.hero-card .cap small{
  display:block;font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.72);margin-bottom:6px;
}
.hero-card .cap strong{font-size:1.06rem;font-weight:800;letter-spacing:-.01em;}
.hero-card .float-badge{
  position:absolute;right:-6px;bottom:-16px;z-index:3;
  background:#fff;border-radius:14px;padding:10px 16px;
  box-shadow:var(--sh-2);text-align:center;
}
.hero-card .float-badge b{
  display:block;font-size:1.28rem;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.hero-card .float-badge span{font-size:11.5px;color:var(--ink-2);}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-card{transform:none;max-width:560px;}
  .hero-card img{height:280px;}
  .page-hero{padding:44px 0 52px;}
}
@media (max-width:575px){
  .hero-card .float-badge{right:10px;bottom:10px;}
  .hero-card img{height:230px;}
  .btn-ghost,.btn-lg-grad{width:100%;}
  .hero-actions{gap:10px;}
}

/* ============ SECTION BASE ============ */
.section{padding:88px 0;}
.section.alt{background:var(--surface);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--brand-600);
  margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:26px;height:4px;border-radius:2px;background:var(--grad-brand);
}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);color:var(--ink);}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15.5px;}
@media (max-width:991px){.section{padding:64px 0;}}
@media (max-width:575px){.section{padding:48px 0;} .section-head{margin-bottom:28px;}}

/* ============ 排查路径时间线 ============ */
.path-panel{
  background:var(--surface);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--sh-1);border:1px solid var(--line);
}
.path-list{display:grid;gap:0;}
.path-item{
  position:relative;
  display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding:22px 0;
  border-bottom:1px dashed var(--line);
  transition:background .2s ease;
  border-radius:var(--r-sm);
}
.path-item:last-child{border-bottom:0;padding-bottom:6px;}
.path-item:hover{background:#FBFAFE;}
.path-item .num{
  width:44px;height:44px;border-radius:14px;
  background:var(--soft);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1rem;font-variant-numeric:tabular-nums;
}
.path-item h3{font-size:1.05rem;margin-bottom:6px;}
.path-item p{color:var(--ink-2);font-size:14.5px;}
.path-item .meta{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:12.5px;color:var(--accent);
  background:var(--accent-soft);border-radius:var(--r-pill);padding:3px 12px;font-weight:600;
}
@media (max-width:575px){
  .path-panel{padding:22px;}
  .path-item{grid-template-columns:44px 1fr;gap:14px;}
}

/* ============ 图文交错块 ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:36px 0;
}
.split + .split{border-top:1px solid var(--line);}
.split .media{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);
  background:var(--soft);
}
.split .media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.split .media:hover img{transform:scale(1.03);}
.split .body h3{font-size:1.28rem;margin-bottom:12px;color:var(--ink);}
.split .body p{color:var(--ink-2);font-size:15.2px;}
.split .body ul{margin-top:18px;display:grid;gap:10px;}
.split .body ul li{
  position:relative;padding-left:26px;font-size:14.6px;color:var(--ink);
}
.split .body ul li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:3px;background:var(--grad-brand);
}
.split .link-more{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:14px;font-weight:700;color:var(--brand-600);
}
.split .link-more i{transition:transform .2s ease;font-size:.8rem;}
.split .link-more:hover i{transform:translateX(4px);}
.split.reverse .media{order:2;}
.split.reverse .body{order:1;}
@media (max-width:991px){
  .split{grid-template-columns:1fr;gap:28px;padding:28px 0;}
  .split.reverse .media,.split.reverse .body{order:0;}
}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border-radius:var(--r-lg);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  overflow:hidden;
}
.stat{
  padding:30px 26px;border-right:1px solid var(--line);
  transition:background .2s ease;
}
.stat:last-child{border-right:0;}
.stat:hover{background:#FBFAFE;}
.stat b{
  display:block;font-size:2rem;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1.2;
}
.stat .unit{
  display:inline-block;margin-left:6px;font-size:12px;font-weight:700;
  color:var(--accent);background:var(--accent-soft);
  border-radius:var(--r-pill);padding:2px 10px;vertical-align:middle;
}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--ink-2);}
@media (max-width:991px){
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:575px){
  .stat{padding:22px 18px;}
  .stat b{font-size:1.6rem;}
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:880px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(110,61,232,.35);box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  padding:19px 22px;
  font-size:15.6px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-600);}
.faq-item[open] summary{color:var(--brand-600);}
.faq-item summary .plus{
  margin-left:auto;flex:0 0 auto;
  width:26px;height:26px;border-radius:8px;
  background:var(--soft);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.8rem;transition:transform .25s ease,background .25s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--accent-soft);color:var(--accent);}
.faq-body{
  padding:0 22px 22px;color:var(--ink-2);font-size:15px;line-height:1.85;
}
.faq-body p + p{margin-top:10px;}

/* ============ 分类跳转胶囊 ============ */
.jump-bar{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;
}
.jump-pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 20px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  color:var(--ink);font-size:14px;font-weight:600;
  transition:.22s ease;
}
.jump-pill i{color:var(--brand-500);font-size:.85rem;transition:transform .2s ease;}
.jump-pill:hover{
  color:var(--brand-700);border-color:var(--brand-500);
  transform:translateY(-2px);box-shadow:var(--sh-2);
}
.jump-pill:hover i{transform:translateX(3px);}

/* ============ CTA ============ */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:28px;
  padding:52px;
  background:var(--dark);
  color:#fff;
}
.cta-banner::before{
  content:"";position:absolute;inset:-40% -10% auto auto;width:520px;height:520px;
  background:radial-gradient(circle,rgba(139,75,240,.55),transparent 65%);
  filter:blur(30px);
}
.cta-banner::after{
  content:"";position:absolute;left:-8%;bottom:-60%;width:460px;height:460px;
  background:radial-gradient(circle,rgba(255,138,61,.42),transparent 65%);
  filter:blur(30px);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;}
.cta-inner h2{font-size:clamp(1.5rem,2.4vw,2rem);color:#fff;}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;max-width:32em;}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe-form input{
  flex:1 1 220px;height:48px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:#fff;
  padding:0 16px;font-size:14.5px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.5);}
.subscribe-form input:focus{
  border-color:var(--brand-500);
  background:rgba(255,255,255,.14);
  box-shadow:0 0 0 4px rgba(110,61,232,.28);
}
.subscribe-form .btn-primary-grad{height:48px;padding:0 24px;border-radius:12px;}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.5);}
.form-ok{
  display:none;margin-top:14px;
  align-items:center;gap:8px;
  background:rgba(31,169,122,.16);color:#5FE3B4;
  border:1px solid rgba(31,169,122,.4);
  border-radius:var(--r-pill);padding:7px 16px;font-size:13px;width:fit-content;
}
.form-ok.show{display:inline-flex;}
@media (max-width:991px){
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .cta-banner{padding:34px;}
}
@media (max-width:575px){
  .cta-banner{padding:26px;border-radius:22px;}
}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--dark);color:#fff;
  margin-top:0;
  border-top:3px solid transparent;
  border-image:var(--grad-brand) 1;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand-text{color:#fff;}
.footer-desc{
  margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:26em;
}
.footer-col h3{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.01em;
}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.68);
  padding:5px 0;transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.fnote{font-size:13px;color:rgba(255,255,255,.5);line-height:1.8;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.45);
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding-top:44px;}
}