/* roulang page: index */
:root{
  --amber:#F2A93B;
  --pink:#FF7A9A;
  --purple:#7B61FF;
  --teal:#2EC5B6;
  --ink:#12101A;
  --ink-2:#1A1730;
  --ink-3:#241F3D;
  --bg:#F8F6F2;
  --bg-2:#F1ECE3;
  --text:#1B1B24;
  --muted:#6A6F7D;
  --line:#E8E1D6;
  --grad:linear-gradient(120deg,#F2A93B 0%,#FF7A9A 45%,#7B61FF 100%);
  --grad-soft:linear-gradient(120deg,rgba(242,169,59,.16) 0%,rgba(255,122,154,.16) 45%,rgba(123,97,255,.16) 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-input:14px;
  --pill:999px;
  --sh:0 12px 32px rgba(18,18,30,.08);
  --sh-h:0 20px 48px rgba(123,97,255,.16);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--ink);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--amber)}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;line-height:1.22;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.bg-soft{background:var(--bg-2)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--purple);text-transform:none;margin-bottom:14px;
}
.sec-label::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}
h2.sec-title{font-size:clamp(26px,3vw,40px);font-weight:700;margin-bottom:16px}
.sec-desc{color:var(--muted);font-size:16.5px;line-height:1.9}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============ 按钮 ============ */
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;border:none;border-radius:var(--pill);
  padding:12px 24px;font-size:15.5px;font-weight:600;line-height:1.4;
  cursor:pointer;transition:transform .22s ease,box-shadow .22s ease;
  box-shadow:0 10px 24px rgba(242,169,59,.24);
}
.btn-grad:hover,.btn-grad:focus{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(123,97,255,.28)}
.btn-grad:active{transform:translateY(0);box-shadow:0 6px 16px rgba(242,169,59,.26)}
.btn-grad:focus-visible{outline:3px solid rgba(242,169,59,.45);outline-offset:2px}
.btn-grad.btn-lg{padding:15px 32px;font-size:16.5px}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:var(--pill);
  padding:12px 24px;font-size:15.5px;font-weight:600;cursor:pointer;
  transition:all .22s ease;
}
.btn-outline:hover{border-color:var(--amber);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  background:none;border:none;padding:12px 4px;color:var(--ink);
  font-size:15.5px;font-weight:600;cursor:pointer;
}
.btn-ghost i{transition:transform .22s ease}
.btn-ghost:hover{color:var(--amber)}
.btn-ghost:hover i{transform:translateX(5px)}
.dark .btn-ghost{color:#F6F3EE}
.dark .btn-ghost:hover{color:var(--amber)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#12101A;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
  background:rgba(18,16,26,.95);
  backdrop-filter:saturate(140%) blur(6px);
  box-shadow:0 12px 34px rgba(10,8,20,.35);
  border-bottom-color:transparent;
}
.site-header.scrolled::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--grad);opacity:.85;
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 0 0 1px rgba(255,255,255,.16),0 8px 20px rgba(123,97,255,.35);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:18px;font-weight:800;color:#FCFAF6;letter-spacing:.01em;white-space:nowrap}
.brand:hover .brand-text{color:#fff}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.m-nav-link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;
  color:rgba(246,243,238,.78);border-radius:var(--pill);transition:color .2s ease;
}
.m-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--grad);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.m-nav-link:hover{color:#fff}
.m-nav-link:hover::after{transform:scaleX(1)}
.m-nav-link.active{color:var(--amber)}
.m-nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--pill);height:42px;padding:0 14px;width:230px;
  transition:width .28s ease,border-color .28s ease,box-shadow .28s ease,background .28s ease;
}
.cmd-search:focus-within{width:388px;border-color:rgba(242,169,59,.6);background:rgba(255,255,255,.11);box-shadow:0 0 0 3px rgba(242,169,59,.16)}
.cmd-search i{color:rgba(246,243,238,.6);font-size:13px}
.cmd-search input{
  flex:1;background:none;border:none;outline:none;color:#FCFAF6;
  font-size:14.5px;min-width:0;
}
.cmd-search input::placeholder{color:rgba(246,243,238,.45)}
.kbd{
  font-size:11px;padding:2px 7px;border-radius:6px;color:rgba(246,243,238,.62);
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
  white-space:nowrap;
}
.icon-btn{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  color:#F6F3EE;font-size:15px;cursor:pointer;transition:all .22s ease;
}
.icon-btn:hover{color:var(--amber);border-color:rgba(242,169,59,.5);transform:translateY(-1px)}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);color:#F6F3EE;font-size:17px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.offcanvas.dark-panel{background:#12101A;color:#F6F3EE;width:min(88vw,360px)}
.offcanvas.dark-panel .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 20px}
.offcanvas.dark-panel .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.75}
.oc-nav{display:flex;flex-direction:column;gap:4px;padding:18px 0}
.oc-nav a{
  padding:14px 4px;font-size:18px;font-weight:600;color:#F6F3EE;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.oc-nav a.active,.oc-nav a:hover{color:var(--amber)}
.oc-foot{margin-top:auto;padding:18px 20px 24px;border-top:1px solid rgba(255,255,255,.1)}
.oc-foot .btn-grad{width:100%}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;background:var(--ink);color:#F6F3EE;
  padding:78px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(1.6px 1.6px at 12% 22%,rgba(255,255,255,.85),transparent 100%),
    radial-gradient(1.4px 1.4px at 28% 68%,rgba(255,255,255,.6),transparent 100%),
    radial-gradient(1.8px 1.8px at 46% 16%,rgba(255,255,255,.7),transparent 100%),
    radial-gradient(1.3px 1.3px at 62% 78%,rgba(255,255,255,.55),transparent 100%),
    radial-gradient(1.7px 1.7px at 78% 32%,rgba(255,255,255,.75),transparent 100%),
    radial-gradient(1.4px 1.4px at 90% 66%,rgba(255,255,255,.6),transparent 100%),
    radial-gradient(1.5px 1.5px at 36% 88%,rgba(255,255,255,.5),transparent 100%),
    radial-gradient(1.2px 1.2px at 68% 8%,rgba(255,255,255,.55),transparent 100%);
  opacity:.85;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-12%;top:-30%;width:820px;height:820px;
  background:radial-gradient(circle at center,rgba(123,97,255,.34),transparent 62%);
  pointer-events:none;
}
.hero .nebula-2{
  position:absolute;right:-14%;bottom:-42%;width:760px;height:760px;
  background:radial-gradient(circle at center,rgba(242,169,59,.24),transparent 64%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;
  gap:56px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px 7px 12px;border-radius:var(--pill);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(246,243,238,.86);margin-bottom:24px;
}
.hero-badge span.dot{
  width:8px;height:8px;border-radius:50%;background:var(--grad);display:inline-block;
  box-shadow:0 0 12px rgba(242,169,59,.9);
}
.hero h1{
  font-family:"Noto Serif SC","Noto Sans SC","PingFang SC",serif;
  font-size:clamp(30px,4vw,56px);font-weight:800;line-height:1.14;color:#fff;margin-bottom:22px;
}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{
  font-size:17.5px;line-height:1.9;color:rgba(246,243,238,.76);max-width:620px;margin-bottom:32px;
}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:36px}
.hero-trust{display:flex;flex-wrap:wrap;gap:26px}
.hero-trust li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:rgba(246,243,238,.72)}
.hero-trust i{color:var(--teal);font-size:14px}
.hero-visual{position:relative}
.hero-shot{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 26px 60px rgba(6,4,16,.6);
}
.hero-shot img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,16,26,.18) 0%,rgba(18,16,26,.62) 100%);
}
.hero-shot-cap{
  position:absolute;left:20px;bottom:18px;z-index:3;color:#fff;
  font-size:15px;font-weight:600;letter-spacing:.01em;
}
.hero-shot-cap small{display:block;font-size:12.5px;font-weight:400;color:rgba(255,255,255,.72);margin-top:2px}
.float-badge{
  position:absolute;left:-18px;bottom:38px;z-index:4;
  background:rgba(18,16,26,.92);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:14px 18px;min-width:172px;
  box-shadow:0 18px 40px rgba(0,0,0,.45);
}
.float-badge b{display:block;font-size:26px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.float-badge span{font-size:12.5px;color:rgba(246,243,238,.66)}
.float-badge.two{left:auto;right:-14px;bottom:auto;top:26px}

/* ============ 信任条 ============ */
.trustbar{background:var(--bg-2);border-bottom:1px solid var(--line);padding:26px 0}
.trust-list{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.trust-item{display:flex;align-items:center;gap:11px;font-size:14.5px;color:var(--muted);font-weight:500}
.trust-item i{font-size:16px;color:var(--purple)}
.trust-item strong{color:var(--ink);font-weight:700}

/* ============ 痛点时间线 ============ */
.pain-track{position:relative;display:grid;gap:22px}
.pain-track::before{
  content:"";position:absolute;left:28px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,rgba(242,169,59,.7),rgba(123,97,255,.65));
  border-radius:2px;
}
.pain-item{
  position:relative;display:flex;gap:22px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pain-item:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(123,97,255,.35)}
.pain-num{
  position:relative;z-index:2;flex-shrink:0;width:56px;height:56px;border-radius:18px;
  background:var(--bg-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;color:var(--ink);
}
.pain-body h3{font-size:19px;font-weight:700;margin-bottom:8px}
.pain-body p{font-size:15.5px;color:var(--muted);line-height:1.85;max-width:820px}
.pain-arrow{margin-left:auto;align-self:center;color:var(--amber);font-size:17px;transition:transform .25s ease}
.pain-item:hover .pain-arrow{transform:translateX(6px)}

/* ============ Bento 方案 ============ */
.bento{display:grid;grid-template-columns:2fr 1fr 1fr;grid-auto-rows:minmax(230px,auto);gap:24px}
.bento-card{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#fff;
  padding:28px;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(123,97,255,.32)}
.bento-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);opacity:.9;
}
.bento-card .cover{
  position:absolute;inset:0;z-index:0;
}
.bento-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.bento-card:hover .cover img{transform:scale(1.03)}
.bento-card .cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,16,26,.28) 0%,rgba(18,16,26,.86) 100%);
}
.bento-card .inner{position:relative;z-index:2}
.bento-card .inner.on-image{color:#F6F3EE}
.bento-card .inner.on-image h3{color:#fff}
.bento-card .inner.on-image p{color:rgba(246,243,238,.78)}
.bento-card.span2{grid-row:span 2}
.bento-card.wide{grid-column:span 2}
.bento-tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:var(--pill);
  background:var(--grad-soft);color:#5B45C7;border:1px solid rgba(123,97,255,.28);margin-bottom:14px;
}
.bento-card .inner.on-image .bento-tag{background:rgba(255,255,255,.14);color:#F8E4C8;border-color:rgba(255,255,255,.26)}
.bento-card h3{font-size:21px;font-weight:700;margin-bottom:10px}
.bento-card p{font-size:15.5px;color:var(--muted);line-height:1.85}
.bento-icon{
  width:48px;height:48px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-2);border:1px solid var(--line);color:var(--purple);font-size:19px;margin-bottom:16px;
}
.bento-list{margin-top:16px;display:grid;gap:8px}
.bento-list li{display:flex;gap:9px;font-size:14.5px;color:var(--muted)}
.bento-list li i{color:var(--teal);font-size:12px;margin-top:7px}
.bento-card .inner.on-image .bento-list li{color:rgba(246,243,238,.8)}
.bento-card .inner.on-image .bento-list li i{color:var(--amber)}

/* ============ 数据徽章 ============ */
.stats{background:var(--ink);position:relative;overflow:hidden;color:#F6F3EE}
.stats::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1.5px 1.5px at 18% 30%,rgba(255,255,255,.6),transparent 100%),
             radial-gradient(1.3px 1.3px at 42% 74%,rgba(255,255,255,.45),transparent 100%),
             radial-gradient(1.6px 1.6px at 72% 26%,rgba(255,255,255,.55),transparent 100%),
             radial-gradient(1.2px 1.2px at 88% 70%,rgba(255,255,255,.4),transparent 100%);
  opacity:.7;
}
.stats .sec-title{color:#fff}
.stats .sec-desc{color:rgba(246,243,238,.7)}
.stats .sec-label{color:var(--amber)}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.stat-badge{
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r-md);padding:26px 22px;text-align:left;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  position:relative;overflow:hidden;
}
.stat-badge::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-md);padding:1px;
  background:var(--grad);opacity:.5;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.stat-badge:hover{transform:translateY(-5px);border-color:transparent;box-shadow:0 22px 46px rgba(242,169,59,.16)}
.stat-num{
  font-size:clamp(28px,3vw,36px);font-weight:800;line-height:1.15;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:flex;align-items:baseline;gap:2px;
}
.stat-badge span.label{display:block;font-size:13.5px;color:rgba(246,243,238,.7);margin-top:8px;letter-spacing:.01em}
.stats-foot{position:relative;z-index:2;margin-top:38px;font-size:14.5px;color:rgba(246,243,238,.62)}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:20px;overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(123,97,255,.3)}
.news-cover{display:block;position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--bg-2)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-cover .cat{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:var(--pill);
  background:rgba(18,16,26,.78);color:#F8E4C8;border:1px solid rgba(255,255,255,.18);
}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:18px;font-weight:700;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--amber)}
.news-sum{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);padding-top:14px;border-top:1px dashed var(--line);
}
.news-meta .go{color:var(--ink);font-weight:600;display:inline-flex;align-items:center;gap:7px}
.news-meta .go i{transition:transform .22s ease}
.news-card:hover .news-meta .go{color:var(--amber)}
.news-card:hover .news-meta .go i{transform:translateX(5px)}
.empty-state{
  border:1.5px dashed rgba(123,97,255,.4);border-radius:20px;background:#fff;
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:28px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:14px}
.empty-state p{font-size:15.5px}

/* ============ FAQ ============ */
.faq-acc{display:grid;gap:14px}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:#fff;
}
.faq-acc .accordion-button{
  display:flex;align-items:center;gap:16px;width:100%;
  padding:22px 24px;background:#fff;color:var(--ink);
  font-size:17px;font-weight:700;line-height:1.6;text-align:left;
  border:none;box-shadow:none;transition:background .2s ease;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--bg-2);color:var(--ink)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:3px solid rgba(242,169,59,.35);outline-offset:-2px}
.faq-num{
  flex-shrink:0;width:40px;height:40px;border-radius:12px;background:var(--bg-2);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:var(--purple);
}
.faq-acc .accordion-button:not(.collapsed) .faq-num{background:#fff;color:var(--amber)}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;margin-left:auto;
  font-size:24px;font-weight:400;color:var(--amber);line-height:1;
  transform:rotate(0deg);transition:transform .25s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-acc .accordion-body{padding:4px 24px 24px 80px;font-size:15.5px;color:var(--muted);line-height:1.9}

/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--grad);padding:56px 56px;color:#fff;
  display:grid;grid-template-columns:1.4fr auto;gap:36px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1.6px 1.6px at 14% 30%,rgba(255,255,255,.9),transparent 100%),
             radial-gradient(1.4px 1.4px at 44% 74%,rgba(255,255,255,.75),transparent 100%),
             radial-gradient(1.8px 1.8px at 74% 22%,rgba(255,255,255,.85),transparent 100%),
             radial-gradient(1.3px 1.3px at 90% 66%,rgba(255,255,255,.7),transparent 100%);
  opacity:.75;pointer-events:none;
}
.cta-panel > *{position:relative;z-index:2}
.cta-panel h2{color:#fff;font-size:clamp(24px,2.6vw,36px);font-weight:800;margin-bottom:14px}
.cta-panel p{color:rgba(255,255,255,.92);font-size:16px;line-height:1.85;max-width:620px}
.cta-white{
  display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--ink);
  border:none;border-radius:var(--pill);padding:15px 32px;font-size:16px;font-weight:700;
  cursor:pointer;white-space:nowrap;transition:transform .22s ease,box-shadow .22s ease;
}
.cta-white:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(18,16,26,.28);color:var(--ink)}

/* ============ 隐私说明 ============ */
.privacy-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 28px;display:flex;gap:20px;align-items:flex-start;
}
.privacy-block i{color:var(--teal);font-size:20px;margin-top:3px}
.privacy-block p{font-size:13.5px;color:var(--muted);line-height:1.9}
.privacy-block a{color:var(--purple);text-decoration:underline;text-underline-offset:3px}
.privacy-block a:hover{color:var(--amber)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--ink);color:rgba(246,243,238,.72);padding:70px 0 0;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad);
}
.site-footer::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1.4px 1.4px at 10% 24%,rgba(255,255,255,.5),transparent 100%),
             radial-gradient(1.2px 1.2px at 34% 68%,rgba(255,255,255,.35),transparent 100%),
             radial-gradient(1.5px 1.5px at 62% 20%,rgba(255,255,255,.45),transparent 100%),
             radial-gradient(1.2px 1.2px at 84% 74%,rgba(255,255,255,.35),transparent 100%);
  pointer-events:none;
}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .brand-text{font-size:18px}
.site-footer p{font-size:14.5px;line-height:1.9;color:rgba(246,243,238,.66)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links{display:grid;gap:11px}
.footer-links a{color:rgba(246,243,238,.7);font-size:14.5px}
.footer-links a:hover{color:var(--amber)}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:rgba(246,243,238,.7);margin-bottom:12px}
.footer-contact i{color:var(--amber);margin-top:5px;font-size:14px}
.footer-bottom{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(246,243,238,.52);
}
.footer-bottom a{color:rgba(246,243,238,.6)}
.footer-bottom a:hover{color:var(--amber)}

/* ============ 弹层表单 ============ */
.modal-content.lead-modal{border:none;border-radius:26px;overflow:hidden;box-shadow:0 30px 80px rgba(10,8,20,.45)}
.lead-grid{display:grid;grid-template-columns:1fr 1.15fr}
.lead-left{
  position:relative;background:var(--grad);color:#fff;padding:40px 34px;
  display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;
}
.lead-left::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1.6px 1.6px at 20% 26%,rgba(255,255,255,.9),transparent 100%),
             radial-gradient(1.4px 1.4px at 56% 62%,rgba(255,255,255,.7),transparent 100%),
             radial-gradient(1.7px 1.7px at 82% 30%,rgba(255,255,255,.85),transparent 100%);
  opacity:.8;
}
.lead-left > *{position:relative;z-index:2}
.lead-left h3{color:#fff;font-size:24px;font-weight:800;margin-bottom:14px}
.lead-left p{color:rgba(255,255,255,.92);font-size:15px;line-height:1.85}
.lead-left .lb-stat{
  margin-top:26px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  border-radius:16px;padding:16px 18px;
}
.lead-left .lb-stat b{display:block;font-size:26px;font-weight:800;line-height:1.2}
.lead-left .lb-stat span{font-size:12.5px;color:rgba(255,255,255,.85)}
.lead-right{padding:36px 34px 32px;background:#fff}
.lead-right h4{font-size:20px;font-weight:800;margin-bottom:6px}
.lead-right .hint{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px}
.form-field .req{color:#E0526B}
.form-control,.form-select{
  height:48px;border-radius:var(--r-input);border:1px solid var(--line);
  background:var(--bg);font-size:15px;color:var(--text);padding:0 15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
textarea.form-control{height:auto;min-height:96px;padding:13px 15px;line-height:1.7;resize:vertical}
.form-control:focus,.form-select:focus{
  border-color:var(--amber);background:#fff;box-shadow:0 0 0 3px rgba(242,169,59,.16);
}
.form-check-input{border-color:var(--line)}
.form-check-input:checked{background:var(--purple);border-color:var(--purple)}
.form-check-label{font-size:13px;color:var(--muted);line-height:1.75}
.form-check-label a{color:var(--purple);text-decoration:underline;text-underline-offset:3px}
.btn-submit{width:100%;justify-content:center;padding:14px 24px;font-size:16px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}
.modal-backdrop.show{opacity:.62}

/* ============ 悬浮按钮 ============ */
.float-cta{
  position:fixed;right:24px;bottom:26px;z-index:1040;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--grad);color:#fff;border:none;border-radius:var(--pill);
  padding:14px 22px;font-size:15px;font-weight:700;cursor:pointer;
  box-shadow:0 16px 38px rgba(123,97,255,.4);
  transition:transform .22s ease,box-shadow .22s ease;
}
.float-cta:hover{color:#fff;transform:translateY(-3px);box-shadow:0 22px 46px rgba(242,169,59,.45)}
.float-cta:focus-visible{outline:3px solid rgba(242,169,59,.5);outline-offset:3px}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--sec:72px}
  .container{padding:0 22px}
  .cmd-search{width:190px}
  .cmd-search:focus-within{width:280px}
  .hero-grid{grid-template-columns:1fr 1fr;gap:40px}
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .bento{grid-template-columns:2fr 1fr;grid-auto-rows:minmax(220px,auto)}
  .bento-card.span2{grid-row:span 1}
  .bento-card.wide{grid-column:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px}
}
@media (max-width:991.98px){
  :root{--sec:64px}
  .main-nav,.nav-right{display:none!important}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-sub{max-width:none}
  .hero-visual{max-width:620px}
  .trust-list{justify-content:flex-start;gap:18px 28px}
  .bento{grid-template-columns:1fr 1fr}
  .cta-panel{grid-template-columns:1fr;padding:44px 36px}
  .lead-grid{grid-template-columns:1fr}
  .lead-left{padding:30px 28px}
  .lead-left .lb-stat{margin-top:18px}
  .lead-right{padding:28px 26px 26px}
}
@media (max-width:767.98px){
  :root{--sec:56px}
  body{font-size:16px}
  .container{padding:0 16px}
  .nav-wrap{height:64px}
  .brand-text{font-size:16.5px}
  .hero h1{font-size:clamp(28px,7.4vw,38px)}
  .hero-sub{font-size:16px}
  .hero-cta{gap:12px}
  .hero-cta .btn-grad,.hero-cta .btn-outline{width:100%;justify-content:center}
  .hero-trust{gap:14px 20px}
  .trustbar{padding:20px 0}
  .pain-item{flex-direction:column;gap:14px;padding:22px}
  .pain-track::before{display:none}
  .pain-arrow{display:none}
  .bento{grid-template-columns:1fr}
  .bento-card.wide,.bento-card.span2{grid-column:auto;grid-row:auto}
  .news-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-badge{padding:20px 16px}
  .faq-acc .accordion-body{padding:4px 20px 22px 20px}
  .cta-panel{padding:34px 24px;border-radius:22px}
  .cta-white,.cta-panel .btn-outline{width:100%;justify-content:center}
  .privacy-block{flex-direction:column;gap:12px;padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;gap:8px}
  .float-cta{right:16px;bottom:18px;padding:12px 18px;font-size:14px}
  .modal-dialog{margin:0;align-items:flex-end;min-height:100%}
  .modal-content.lead-modal{border-radius:22px 22px 0 0}
  .float-badge{left:10px;bottom:14px;padding:11px 14px;min-width:140px}
  .float-badge b{font-size:21px}
  .float-badge.two{right:10px;left:auto;top:14px}
}
@media (max-width:519.98px){
  .stats-grid{grid-template-columns:1fr}
  .hero-badge{font-size:12.5px;padding:6px 13px}
  .bento-card{padding:24px 20px}
}

/* roulang page: category1 */
:root{
  --amber:#F2A93B;
  --purple:#7B61FF;
  --teal:#2EC5B6;
  --ink:#12101A;
  --ink-2:#1A1730;
  --bg:#F8F6F2;
  --bg-2:#F1ECE3;
  --text:#1B1B24;
  --muted:#6A6F7D;
  --line:#E8E1D6;
  --grad:linear-gradient(120deg,#F2A93B 0%,#FF7A9A 45%,#7B61FF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 12px 32px rgba(18,18,30,.08);
  --sh-h:0 20px 48px rgba(123,97,255,.16);
  --ff:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --fs:"Noto Serif SC","Songti SC",serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--amber)}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.25}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:3px solid rgba(242,169,59,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.bg-soft{background:var(--bg-2)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;font-weight:600;color:var(--purple);
  padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  margin-bottom:18px;
}
.eyebrow i{color:var(--amber)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(26px,3vw,40px);margin-bottom:16px}
.section-head p{color:var(--muted);font-size:17px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  font-size:15.5px;font-weight:600;padding:13px 24px;border-radius:999px;min-height:48px;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(242,169,59,.28)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(123,97,255,.34)}
.btn-grad:active{transform:translateY(1px)}
.btn-ghost-w{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost-w:hover{color:#fff;border-color:var(--amber);background:rgba(242,169,59,.14)}
.btn-outline{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-outline:hover{color:var(--ink);border-color:var(--amber);box-shadow:0 10px 24px rgba(242,169,59,.16)}
.btn-text{background:none;padding:8px 0;color:var(--ink);font-weight:600}
.btn-text i{transition:transform .25s ease}
.btn-text:hover i{transform:translateX(5px)}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(248,246,242,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{background:rgba(18,16,26,.95);border-bottom-color:transparent;box-shadow:0 12px 34px rgba(18,16,26,.22)}
.header-inner{display:flex;align-items:center;gap:18px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);display:grid;place-items:center;box-shadow:0 8px 20px rgba(123,97,255,.28)}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:14px}
.m-nav-link{position:relative;padding:9px 13px;font-size:15px;font-weight:500;color:var(--text);border-radius:999px;white-space:nowrap}
.m-nav-link::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s ease}
.m-nav-link:hover::after{transform:scaleX(1)}
.m-nav-link.active{color:#B8730F;font-weight:700}
.m-nav-link.active::after{transform:scaleX(1)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{position:relative;width:210px;transition:width .3s ease}
.cmd-search input{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:0 56px 0 42px;font-size:14.5px;color:var(--text);transition:border-color .25s ease,box-shadow .25s ease;
}
.cmd-search input::placeholder{color:#9CA1AD}
.cmd-search input:focus{outline:none;border-color:transparent;box-shadow:0 0 0 2px rgba(242,169,59,.5),0 10px 26px rgba(123,97,255,.16)}
.cmd-search .s-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px}
.cmd-search .kbd{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--muted);border:1px solid var(--line);background:var(--bg-2);
  border-radius:8px;padding:2px 7px;letter-spacing:.04em;
}
.cmd-search:focus-within{width:340px}
.header-cta{padding:11px 20px;min-height:44px;font-size:15px}
.icon-btn{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--ink);cursor:pointer}
.icon-btn:hover{border-color:var(--amber);color:var(--amber)}
.nav-toggle{display:none}
.site-header.scrolled .brand-text{color:#fff}
.site-header.scrolled .m-nav-link{color:rgba(255,255,255,.78)}
.site-header.scrolled .m-nav-link.active{color:var(--amber)}
.site-header.scrolled .cmd-search input{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff}
.site-header.scrolled .cmd-search input::placeholder{color:rgba(255,255,255,.5)}
.site-header.scrolled .cmd-search .kbd{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.65)}
.site-header.scrolled .icon-btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff}

.offcanvas{background:var(--ink);color:#fff}
.offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:20px 24px}
.offcanvas-title{font-size:18px;font-weight:800;color:#fff}
.offcanvas-body{padding:24px}
.offcanvas .oc-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:28px}
.offcanvas .oc-nav a{padding:14px 16px;border-radius:14px;font-size:17px;font-weight:600;color:rgba(255,255,255,.86)}
.offcanvas .oc-nav a:hover,.offcanvas .oc-nav a.active{background:rgba(255,255,255,.08);color:var(--amber)}
.offcanvas .btn{width:100%}
.btn-close{filter:invert(1) grayscale(1) brightness(2)}

/* 分类 Hero */
.cat-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:64px 0 72px}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.34;filter:saturate(.85);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(2px 2px at 12% 22%,rgba(255,255,255,.85),transparent),
    radial-gradient(2px 2px at 28% 68%,rgba(255,255,255,.6),transparent),
    radial-gradient(1.6px 1.6px at 46% 30%,rgba(255,255,255,.75),transparent),
    radial-gradient(2px 2px at 64% 76%,rgba(255,255,255,.55),transparent),
    radial-gradient(1.6px 1.6px at 82% 38%,rgba(255,255,255,.7),transparent),
    radial-gradient(2px 2px at 92% 62%,rgba(255,255,255,.5),transparent),
    linear-gradient(180deg,rgba(18,16,26,.55) 0%,rgba(18,16,26,.9) 78%,var(--ink) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb-nav a{color:rgba(255,255,255,.72)}
.breadcrumb-nav a:hover{color:var(--amber)}
.breadcrumb-nav .sep{color:rgba(255,255,255,.32)}
.breadcrumb-nav .current{color:#fff;font-weight:600}
.cat-hero h1{font-family:var(--fs);font-size:clamp(30px,3.6vw,50px);font-weight:800;color:#fff;line-height:1.18;margin-bottom:20px;max-width:16em}
.cat-hero .lead{color:rgba(255,255,255,.78);font-size:17.5px;max-width:720px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.trust-row{display:flex;flex-wrap:wrap;gap:12px}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.86);
  padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
}
.trust-chip i{color:var(--amber)}
.hero-rule{position:relative;z-index:2;height:1px;margin-top:56px;background:linear-gradient(90deg,transparent,rgba(242,169,59,.7),rgba(123,97,255,.7),transparent)}

/* 筛选标签 */
.filter-wrap{padding:34px 0 6px}
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
.filter-bar::-webkit-scrollbar{display:none}
.tag-pill{
  flex:0 0 auto;padding:10px 20px;border-radius:999px;font-size:14.5px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--muted);cursor:pointer;min-height:44px;
  transition:all .25s ease;
}
.tag-pill:hover{border-color:var(--amber);color:var(--ink)}
.tag-pill.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 24px rgba(242,169,59,.26)}

/* Bentos 卡片区 */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.bento .span-2{grid-column:span 2}
.cat-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  position:relative;
}
.cat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:opacity .3s ease}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(123,97,255,.28)}
.cat-card:hover::before{opacity:1}
.cat-card .cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.cat-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.cat-card:hover .cover img{transform:scale(1.03)}
.cat-card .cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,16,26,0) 45%,rgba(18,16,26,.42) 100%)}
.cat-card .cover .pill{
  position:absolute;left:16px;bottom:14px;z-index:2;
  font-size:12.5px;font-weight:600;color:#fff;padding:6px 13px;border-radius:999px;
  background:rgba(18,16,26,.6);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(4px);
}
.cat-card .body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1 1 auto}
.cat-card h3{font-size:20px;margin-bottom:12px;line-height:1.4}
.cat-card p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:18px}
.cat-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.mini-tag{font-size:12.5px;color:var(--purple);background:rgba(123,97,255,.08);border:1px solid rgba(123,97,255,.16);padding:4px 11px;border-radius:999px}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--line)}
.card-foot .meta{font-size:13px;color:var(--muted)}
.card-foot .go{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--ink)}
.card-foot .go i{transition:transform .25s ease}
.cat-card:hover .card-foot .go{color:var(--amber)}
.cat-card:hover .card-foot .go i{transform:translateX(5px)}

/* 数据徽章条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat-badge{
  position:relative;border-radius:20px;padding:28px 24px;color:#fff;
  background:linear-gradient(150deg,rgba(26,23,48,.98),rgba(18,16,26,.98));
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 14px 34px rgba(18,16,26,.22),inset 0 0 38px rgba(242,169,59,.08);
  transition:transform .3s ease,box-shadow .3s ease;
}
.stat-badge:hover{transform:translateY(-4px);box-shadow:0 22px 48px rgba(123,97,255,.28),inset 0 0 38px rgba(242,169,59,.12)}
.stat-badge::before{content:"";position:absolute;inset:0;border-radius:20px;padding:1px;background:var(--grad);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.75;pointer-events:none}
.stat-badge .num{font-size:clamp(28px,3vw,36px);font-weight:800;line-height:1.1;margin-bottom:10px;
  background:linear-gradient(120deg,#FFD79A,#FF9FC0,#B9A6FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-badge .lbl{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.65}

/* FAQ */
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;margin-bottom:16px;overflow:hidden;
  box-shadow:var(--sh);
}
.faq-accordion .accordion-button{
  background:#fff;color:var(--text);font-size:17px;font-weight:700;padding:22px 26px;
  box-shadow:none!important;display:flex;align-items:center;gap:16px;
}
.faq-accordion .accordion-button:not(.collapsed){background:#fff;color:var(--ink)}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .q-no{
  flex:0 0 auto;font-size:13px;font-weight:700;color:#fff;background:var(--grad);
  width:30px;height:30px;border-radius:999px;display:grid;place-items:center;
}
.faq-accordion .q-plus{
  margin-left:auto;flex:0 0 auto;width:28px;height:28px;border-radius:999px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);font-size:14px;transition:transform .3s ease,color .3s ease,border-color .3s ease;
}
.faq-accordion .accordion-button:not(.collapsed) .q-plus{transform:rotate(45deg);color:var(--amber);border-color:var(--amber)}
.faq-accordion .accordion-body{padding:0 26px 26px 72px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* CTA 面板 */
.cta-panel{
  position:relative;overflow:hidden;border-radius:28px;padding:64px 56px;color:#fff;
  background:var(--grad);box-shadow:0 26px 60px rgba(123,97,255,.3);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(2px 2px at 14% 26%,rgba(255,255,255,.9),transparent),
    radial-gradient(1.6px 1.6px at 38% 72%,rgba(255,255,255,.7),transparent),
    radial-gradient(2px 2px at 62% 24%,rgba(255,255,255,.8),transparent),
    radial-gradient(1.6px 1.6px at 86% 66%,rgba(255,255,255,.65),transparent),
    radial-gradient(1.6px 1.6px at 74% 88%,rgba(255,255,255,.5),transparent);
  opacity:.9;
}
.cta-panel .inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-panel h2{color:#fff;font-size:clamp(24px,2.8vw,34px);margin-bottom:14px}
.cta-panel p{color:rgba(255,255,255,.9);max-width:620px;font-size:16.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 18px 36px rgba(18,16,26,.24)}

/* 页脚 */
.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.76);padding:76px 0 26px;overflow:hidden}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.site-footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(1.8px 1.8px at 8% 18%,rgba(255,255,255,.5),transparent),
    radial-gradient(1.6px 1.6px at 32% 62%,rgba(255,255,255,.35),transparent),
    radial-gradient(1.6px 1.6px at 58% 26%,rgba(255,255,255,.4),transparent),
    radial-gradient(1.6px 1.6px at 78% 74%,rgba(255,255,255,.3),transparent),
    radial-gradient(1.6px 1.6px at 92% 34%,rgba(255,255,255,.4),transparent);
}
.site-footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px}
.footer-brand .brand-text{font-size:18px;font-weight:800;color:#fff}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-title{font-size:15.5px;color:#fff;margin-bottom:18px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--amber)}
.footer-contact{display:flex;flex-direction:column;gap:13px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--amber);margin-top:5px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;padding-top:24px;font-size:13.5px;color:rgba(255,255,255,.5);flex-wrap:wrap}

/* 响应式 */
@media (max-width:1199.98px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
  .footer-grid > div:last-child{grid-column:1/-1}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .cmd-search{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:66px}
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
  .cat-hero{padding:48px 0 56px}
  .cta-panel{padding:48px 32px}
  .bento .span-2{grid-column:auto}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .bento{grid-template-columns:1fr;gap:20px}
  .stat-strip{grid-template-columns:1fr 1fr;gap:16px}
  .cat-hero h1{font-size:clamp(26px,7vw,34px)}
  .cat-hero .lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-panel{border-radius:22px;padding:38px 24px}
  .cta-actions .btn{width:100%}
  .faq-accordion .accordion-body{padding:0 22px 22px 22px}
  .faq-accordion .accordion-button{padding:18px 20px;font-size:16px}
}
@media (max-width:575.98px){
  .stat-strip{grid-template-columns:1fr}
  .brand-text{font-size:16.5px}
  .header-cta{display:none}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --star-amber:#F2A93B;
  --nebula:#7B61FF;
  --orbit:#2EC5B6;
  --ink:#12101A;
  --ink-2:#1A1730;
  --bg:#F8F6F2;
  --bg-soft:#F1ECE3;
  --text:#1B1B24;
  --muted:#6A6F7D;
  --line:#E8E1D6;
  --grad:linear-gradient(120deg,#F2A93B 0%,#FF7A9A 45%,#7B61FF 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-sm:0 12px 32px rgba(18,18,30,.08);
  --shadow-hover:0 20px 48px rgba(123,97,255,.16);
  --shadow-dark:0 18px 40px rgba(0,0,0,.35);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--star-amber);}
button{font-family:inherit;}
ul,ol{padding-left:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px;}
::selection{background:rgba(242,169,59,.28);}

/* ============ 按钮 ============ */
.btn{font-family:inherit;font-weight:600;font-size:15px;border-radius:999px;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,169,59,.45);}
.btn-grad{background:var(--grad);background-size:150% 150%;color:#fff;border:none;padding:12px 24px;box-shadow:0 10px 26px rgba(123,97,255,.24);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px rgba(123,97,255,.34);background-position:100% 50%;}
.btn-grad:active{transform:translateY(1px);}
.btn-soft{background:#fff;color:var(--ink);border:1px solid var(--line);padding:11px 22px;}
.btn-soft:hover{border-color:var(--star-amber);color:var(--ink);transform:translateY(-2px);}
.btn-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);padding:11px 22px;}
.btn-line:hover{border-color:var(--star-amber);color:#fff;background:rgba(242,169,59,.12);}
.btn-arrowbtn{background:none;border:none;padding:0;color:var(--ink);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;}
.btn-arrowbtn i{transition:transform .25s ease;}
.btn-arrowbtn:hover{color:var(--star-amber);}
.btn-arrowbtn:hover i{transform:translateX(5px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(248,246,242,.94);
  border-bottom:1px solid rgba(232,225,214,.7);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--grad);opacity:0;transition:opacity .3s ease;}
.site-header.scrolled{background:rgba(18,16,26,.95);border-color:transparent;box-shadow:0 12px 32px rgba(18,16,26,.22);}
.site-header.scrolled::after{opacity:1;}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 8px 18px rgba(123,97,255,.28);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.2px;color:var(--ink);transition:color .3s ease;}
.site-header.scrolled .brand-text{color:#fff;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px;}
.m-nav-link{position:relative;font-size:15px;font-weight:500;padding:9px 14px;border-radius:999px;color:var(--text);transition:color .22s ease;}
.m-nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .26s ease;}
.m-nav-link:hover::after,.m-nav-link.active::after{transform:scaleX(1);}
.m-nav-link.active{color:var(--star-amber);font-weight:700;}
.site-header.scrolled .m-nav-link{color:rgba(255,255,255,.82);}
.site-header.scrolled .m-nav-link:hover,.site-header.scrolled .m-nav-link.active{color:#fff;}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.command-search{position:relative;width:248px;transition:width .3s ease;}
.command-search input{
  width:100%;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#fff;padding:0 62px 0 40px;font-size:14px;color:var(--text);
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.command-search input::placeholder{color:#9AA0AC;}
.command-search input:focus{outline:none;border-color:var(--star-amber);box-shadow:0 0 0 4px rgba(242,169,59,.16);}
.command-search .search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--muted);pointer-events:none;}
.command-search kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:11px;font-family:var(--sans);color:var(--muted);
  background:var(--bg-soft);border:1px solid var(--line);border-radius:7px;padding:2px 7px;
}
.command-search:focus-within{width:360px;}
.search-panel{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);padding:14px 16px 16px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.25s ease;
}
.command-search:focus-within .search-panel{opacity:1;visibility:visible;transform:translateY(0);}
.panel-label{display:block;font-size:12px;color:var(--muted);letter-spacing:.4px;margin-bottom:10px;}
.panel-tags{display:flex;flex-wrap:wrap;gap:8px;}
.panel-tags a{font-size:13px;padding:5px 12px;border-radius:999px;background:var(--bg-soft);color:var(--text);}
.panel-tags a:hover{background:rgba(242,169,59,.18);color:var(--ink);}
.icon-btn{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink);font-size:15px;transition:.25s ease;
}
.icon-btn:hover{border-color:var(--star-amber);color:var(--star-amber);transform:translateY(-2px);}
.site-header.scrolled .icon-btn{background:transparent;border-color:rgba(255,255,255,.22);color:#fff;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:16px;}
.site-header.scrolled .nav-toggle{background:transparent;border-color:rgba(255,255,255,.22);color:#fff;}

/* ============ 移动端抽屉 ============ */
.mobile-nav{background:var(--bg);width:88vw;max-width:360px;}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px;align-items:center;}
.mobile-nav .offcanvas-header .brand-text{color:var(--ink);}
.mobile-nav .offcanvas-body{padding:22px;}
.mobile-nav-links{display:flex;flex-direction:column;gap:6px;}
.mobile-nav-links a{
  font-size:17px;font-weight:600;padding:14px 16px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);
}
.mobile-nav-links a.active{color:var(--star-amber);border-color:rgba(242,169,59,.5);}
.mobile-nav .offcanvas-footer{padding:18px 22px calc(18px + env(safe-area-inset-bottom));border-top:1px solid var(--line);}

/* ============ 面包屑 ============ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--star-amber);}
.crumbs .sep{color:#C9C2B6;}
.crumbs strong{color:var(--ink);font-weight:600;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:40px 0 44px;
  background:
    radial-gradient(circle at 12% 18%,rgba(123,97,255,.10),transparent 42%),
    radial-gradient(circle at 88% 8%,rgba(242,169,59,.13),transparent 46%),
    linear-gradient(180deg,#FFFDF9 0%,var(--bg) 100%);
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(18,16,26,.10) 1px,transparent 1px);
  background-size:36px 36px;opacity:.35;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 92%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 92%);
}
.article-hero .container{position:relative;z-index:2;}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.3px;color:var(--ink);
  padding:7px 16px;border-radius:999px;background:#fff;
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  margin:20px 0 4px;
}
.cat-pill i{color:var(--star-amber);font-size:11px;}
.article-title{
  font-family:var(--serif);
  font-size:clamp(28px,3.6vw,48px);
  font-weight:800;line-height:1.24;letter-spacing:-.4px;
  color:var(--ink);margin:16px 0 20px;max-width:920px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:14px;color:var(--muted);}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--nebula);font-size:13px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC8BC;}

/* ============ 主体布局 ============ */
.article-main{padding:12px 0 96px;}
.article-cover{margin:0 0 36px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ============ 正文排版 ============ */
.article-body{max-width:820px;font-size:17.5px;line-height:1.95;color:var(--text);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-family:var(--serif);
  font-size:clamp(23px,2.4vw,32px);font-weight:800;line-height:1.35;
  color:var(--ink);margin:48px 0 16px;padding-left:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--grad);
}
.article-body h3{font-size:clamp(19px,2vw,24px);font-weight:700;color:var(--ink);margin:32px 0 12px;}
.article-body h4{font-size:18px;font-weight:700;color:var(--ink);margin:24px 0 10px;}
.article-body a{color:#B4741A;border-bottom:1px solid rgba(242,169,59,.5);}
.article-body a:hover{color:var(--nebula);border-color:rgba(123,97,255,.5);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;list-style:none;}
.article-body li{position:relative;padding-left:26px;margin-bottom:.6em;}
.article-body ul>li::before{
  content:"";position:absolute;left:4px;top:.75em;width:8px;height:8px;border-radius:50%;
  background:var(--grad);opacity:.9;
}
.article-body ol{counter-reset:num;}
.article-body ol>li{counter-increment:num;}
.article-body ol>li::before{
  content:counter(num);position:absolute;left:0;top:.28em;
  width:20px;height:20px;border-radius:50%;background:var(--bg-soft);color:var(--ink);
  font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:26px 0;padding:22px 26px;background:var(--bg-soft);
  border-radius:0 16px 16px 0;position:relative;color:#4C515E;font-size:17px;
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:4px 0 0 4px;background:var(--grad);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:26px 0;box-shadow:var(--shadow-sm);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:26px 0;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;font-size:15.5px;
}
.article-body thead th{background:var(--ink-2);color:#fff;font-weight:600;padding:14px 18px;text-align:left;}
.article-body tbody td{padding:13px 18px;border-top:1px solid var(--line);color:#33343C;}
.article-body tbody tr:nth-child(even){background:var(--bg-soft);}
.article-body hr{border:none;height:1px;background:var(--line);margin:40px 0;}
.article-body code{background:var(--bg-soft);border-radius:6px;padding:2px 7px;font-size:15px;}

/* 空态 */
.empty-state{
  border:2px dashed var(--line);border-radius:var(--r-lg);background:#fff;
  padding:56px 28px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--nebula);margin-bottom:16px;display:block;}
.empty-state h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15.5px;margin-bottom:20px;}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:96px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 22px 20px;box-shadow:var(--shadow-sm);margin-bottom:20px;
}
.side-card-title{
  font-size:15px;font-weight:700;color:var(--ink);margin:0 0 14px;
  display:flex;align-items:center;gap:9px;
}
.side-card-title i{color:var(--star-amber);font-size:13px;}
#tocList{list-style:none;margin:0;padding:0;max-height:340px;overflow-y:auto;}
#tocList li{margin-bottom:2px;}
#tocList a{
  display:block;font-size:14.5px;color:var(--muted);padding:7px 12px;
  border-radius:10px;border-left:2px solid transparent;line-height:1.6;
}
#tocList a:hover{color:var(--ink);background:var(--bg-soft);border-left-color:var(--star-amber);}
#tocList .toc-sub a{padding-left:24px;font-size:13.8px;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li+li{border-top:1px dashed var(--line);}
.side-list a{display:flex;gap:12px;padding:13px 0;align-items:flex-start;}
.side-list img{width:66px;height:48px;border-radius:10px;object-fit:cover;flex-shrink:0;}
.side-list .t{font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.55;transition:color .22s;}
.side-list a:hover .t{color:var(--star-amber);}
.side-list .s{font-size:12.5px;color:var(--muted);margin-top:4px;}
.side-cta{
  background:var(--ink);border-radius:var(--r-lg);padding:26px 24px;color:#fff;
  position:relative;overflow:hidden;margin-bottom:20px;box-shadow:var(--shadow-dark);
}
.side-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 12%,rgba(242,169,59,.32),transparent 52%),
             radial-gradient(circle at 10% 88%,rgba(123,97,255,.35),transparent 55%);
}
.side-cta>*{position:relative;z-index:2;}
.side-cta h3{font-size:19px;font-weight:800;margin:0 0 10px;color:#fff;}
.side-cta p{font-size:14px;color:rgba(255,255,255,.72);margin:0 0 18px;line-height:1.75;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}
.data-badge{
  flex:1 1 128px;background:var(--ink-2);border-radius:var(--r-md);padding:16px 14px;
  position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 0 22px rgba(242,169,59,.10);transition:transform .25s ease;
}
.data-badge:hover{transform:translateY(-3px);}
.data-badge::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-md);padding:1px;
  background:var(--grad);opacity:.55;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.data-badge .num{
  font-size:28px;font-weight:800;line-height:1.1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.data-badge .num small{font-size:14px;font-weight:700;}
.data-badge .lab{font-size:12.5px;color:rgba(255,255,255,.7);margin-top:6px;}

/* ============ 底部相关推荐 ============ */
.related-block{padding:0 0 16px;}
.section-head{margin-bottom:32px;max-width:720px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--star-amber);margin-bottom:12px;
}
.section-head h2{font-family:var(--serif);font-size:clamp(24px,2.8vw,36px);font-weight:800;color:var(--ink);margin:0 0 12px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;height:100%;
}
.rec-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.rec-card .thumb{overflow:hidden;}
.rec-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease;}
.rec-card:hover img{transform:scale(1.04);}
.rec-card .body{padding:22px 22px 24px;}
.rec-tag{
  display:inline-block;font-size:12px;font-weight:600;color:#8A5A12;
  background:rgba(242,169,59,.16);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.rec-card h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;margin:0 0 10px;}
.rec-card p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0 0 16px;}
.rec-more{font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:7px;}
.rec-more i{transition:transform .25s ease;}
.rec-card:hover .rec-more{color:var(--star-amber);}
.rec-card:hover .rec-more i{transform:translateX(5px);}

/* ============ 返回入口 ============ */
.back-lane{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 26px;margin:40px 0 0;
}
.back-lane .txt{font-size:15px;color:var(--muted);}
.back-lane .txt strong{color:var(--ink);font-weight:700;}
.back-lane .acts{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);padding:52px 48px;margin:0 0 72px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:0 24px 56px rgba(123,97,255,.24);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:30px 30px;opacity:.28;
}
.cta-panel>*{position:relative;z-index:2;}
.cta-panel h2{font-family:var(--serif);font-size:clamp(24px,2.6vw,34px);font-weight:800;margin:0 0 10px;color:#fff;}
.cta-panel p{margin:0;font-size:16px;color:rgba(255,255,255,.9);max-width:560px;}
.cta-panel .btn-soft{border-color:transparent;}

/* ============ 隐私说明 ============ */
.privacy-note{
  border-top:1px solid var(--line);padding:26px 0 8px;margin-bottom:24px;
  font-size:13.5px;color:var(--muted);line-height:1.9;
}
.privacy-note a{color:var(--ink);text-decoration:underline;text-decoration-color:rgba(242,169,59,.6);}
.privacy-note a:hover{color:var(--star-amber);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--ink);color:rgba(255,255,255,.72);
  padding:72px 0 26px;overflow:hidden;
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);}
.site-footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.32) 1px,transparent 1px);
  background-size:44px 44px;opacity:.16;
}
.site-footer .container{position:relative;z-index:2;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);display:grid;place-items:center;}
.footer-brand .brand-mark svg{width:19px;height:19px;}
.footer-brand .brand-text{font-size:19px;font-weight:800;color:#fff;}
.site-footer p{font-size:14.5px;line-height:1.9;margin:0;color:rgba(255,255,255,.66);}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin:0 0 18px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.7);}
.footer-links a:hover{color:var(--star-amber);}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:13px;}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.7);align-items:flex-start;}
.footer-contact i{color:var(--star-amber);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 悬浮按钮 ============ */
.float-cta{
  position:fixed;right:24px;bottom:26px;z-index:1020;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 22px;border-radius:999px;border:none;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 16px 36px rgba(123,97,255,.34);transition:transform .25s ease;
}
.float-cta:hover{transform:translateY(-3px);color:#fff;}

/* ============ 弹层表单 ============ */
.lead-modal{border:none;border-radius:var(--r-xl);overflow:hidden;box-shadow:0 30px 80px rgba(18,16,26,.35);}
.lead-modal .modal-body{padding:0;}
.lead-wrap{display:grid;grid-template-columns:0.9fr 1.1fr;}
.lead-left{
  position:relative;background:var(--ink);color:#fff;padding:38px 32px;overflow:hidden;
}
.lead-left::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 16%,rgba(242,169,59,.35),transparent 52%),
             radial-gradient(circle at 12% 84%,rgba(123,97,255,.4),transparent 55%);
}
.lead-left>*{position:relative;z-index:2;}
.lead-left h3{font-family:var(--serif);font-size:24px;font-weight:800;margin:0 0 12px;color:#fff;}
.lead-left p{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.85;margin:0 0 24px;}
.lead-left .mini-list{list-style:none;margin:0 0 26px;padding:0;display:flex;flex-direction:column;gap:12px;}
.lead-left .mini-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.82);align-items:flex-start;}
.lead-left .mini-list i{color:var(--star-amber);margin-top:5px;font-size:12px;}
.lead-right{padding:36px 34px;background:#fff;position:relative;}
.lead-right .btn-close{position:absolute;right:18px;top:18px;}
.lead-right h4{font-size:20px;font-weight:800;color:var(--ink);margin:0 0 6px;}
.lead-right .sub{font-size:14px;color:var(--muted);margin:0 0 22px;}
.form-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.form-control,.form-select{
  height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--bg);font-size:15px;color:var(--text);padding:0 16px;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
textarea.form-control{height:auto;min-height:96px;padding:13px 16px;line-height:1.75;}
.form-control:focus,.form-select:focus{
  background:#fff;border-color:var(--star-amber);box-shadow:0 0 0 4px rgba(242,169,59,.16);
}
.form-check-input:checked{background-color:var(--star-amber);border-color:var(--star-amber);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(242,169,59,.3);border-color:var(--star-amber);}
.form-check-label{font-size:13.5px;color:var(--muted);}
.form-check-label a{color:var(--ink);text-decoration:underline;}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .command-search{width:200px;}
  .command-search:focus-within{width:280px;}
  .rec-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1.2fr;gap:32px;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .command-search{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .site-header .btn-grad.header-cta{display:none;}
  .article-hero{padding:30px 0 34px;}
  .article-main{padding-bottom:72px;}
  .side-sticky{position:static;margin-top:36px;}
  .cta-panel{padding:40px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767.98px){
  body{font-size:16.5px;}
  .container{padding-left:16px;padding-right:16px;}
  .header-inner{height:64px;}
  .brand-text{font-size:17px;}
  .article-body{font-size:16.6px;line-height:1.9;}
  .article-body h2{margin-top:40px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .rec-grid{grid-template-columns:1fr;gap:20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:34px 24px;border-radius:var(--r-lg);}
  .back-lane{flex-direction:column;align-items:flex-start;}
  .lead-wrap{grid-template-columns:1fr;}
  .lead-left{padding:28px 24px;}
  .lead-right{padding:28px 22px;}
  .modal .modal-dialog{margin:0;min-height:100%;align-items:flex-end;}
  .lead-modal{border-radius:22px 22px 0 0;}
  .float-cta{right:16px;bottom:16px;padding:12px 18px;font-size:14px;}
  .lead-right .submit-row{position:sticky;bottom:0;background:#fff;padding-top:12px;}
}
@media (max-width:575.98px){
  .article-title{font-size:26px;}
  .article-meta{gap:8px 16px;font-size:13px;}
  .article-hero{padding:22px 0 28px;}
  .side-card{padding:18px;}
  .cta-panel h2{font-size:23px;}
}

/* roulang page: category2 */
:root{
  --amber:#F2A93B;
  --pink:#FF7A9A;
  --nebula:#7B61FF;
  --teal:#2EC5B6;
  --ink:#12101A;
  --ink-2:#1A1730;
  --bg:#F8F6F2;
  --bg-2:#F1ECE3;
  --text:#1B1B24;
  --muted:#6A6F7D;
  --border:#E8E1D6;
  --grad:linear-gradient(120deg,#F2A93B 0%,#FF7A9A 45%,#7B61FF 100%);
  --grad-soft:linear-gradient(120deg,rgba(242,169,59,.14) 0%,rgba(255,122,154,.12) 45%,rgba(123,97,255,.14) 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:18px;
  --r-input:14px;
  --pill:999px;
  --sh:0 12px 32px rgba(18,18,30,.08);
  --sh-h:0 20px 48px rgba(123,97,255,.16);
  --sh-dark:0 18px 44px rgba(0,0,0,.36);
  --sec:96px;
  --nav-h:70px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--amber)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.2px}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(242,169,59,.5);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-sm{padding:64px 0}
.section-alt{background:var(--bg-2)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--nebula);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad)}
h2.sec-title{font-size:clamp(26px,3vw,40px);font-weight:700;line-height:1.25;margin-bottom:14px}
.sec-lead{color:var(--muted);font-size:16.5px;max-width:760px;margin-bottom:0}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(248,246,242,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--grad);opacity:0;transition:opacity .3s ease;
}
.site-header.is-scrolled{
  background:rgba(18,16,26,.95);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 10px 30px rgba(18,16,26,.28);
}
.site-header.is-scrolled::after{opacity:.9}
.header-inner{display:flex;align-items:center;gap:26px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 8px 20px rgba(123,97,255,.28);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.4px;white-space:nowrap;transition:color .3s ease}
.site-header.is-scrolled .brand-text{color:#fff}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.m-nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 2px;white-space:nowrap;
}
.m-nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.m-nav-link:hover::after,.m-nav-link.active::after{transform:scaleX(1)}
.m-nav-link.active{color:var(--amber);font-weight:700}
.site-header.is-scrolled .m-nav-link{color:rgba(255,255,255,.78)}
.site-header.is-scrolled .m-nav-link:hover,.site-header.is-scrolled .m-nav-link.active{color:var(--amber)}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:216px;height:42px;padding:0 12px;
  background:#fff;border:1px solid var(--border);border-radius:var(--pill);
  transition:width .3s ease,border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.cmd-search:focus-within{width:360px;border-color:var(--amber);box-shadow:0 8px 24px rgba(242,169,59,.18)}
.cmd-search i{color:var(--muted);font-size:14px}
.cmd-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--text);
}
.cmd-search input:focus{outline:none}
.cmd-search input::placeholder{color:#A7ABB8}
.cmd-search .kbd{
  font-size:11px;font-weight:700;color:var(--muted);
  border:1px solid var(--border);border-radius:8px;padding:1px 6px;background:var(--bg-2);
}
.site-header.is-scrolled .cmd-search{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}
.site-header.is-scrolled .cmd-search input{color:#fff}
.site-header.is-scrolled .cmd-search .kbd{color:rgba(255,255,255,.7);background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}
.icon-btn{
  width:42px;height:42px;border-radius:var(--pill);
  border:1px solid var(--border);background:#fff;color:var(--ink);
  display:grid;place-items:center;cursor:pointer;transition:all .25s ease;
}
.icon-btn:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-1px)}
.site-header.is-scrolled .icon-btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff}
.nav-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;padding:13px 24px;border-radius:var(--pill);
  border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .25s ease,border-color .25s ease,color .25s ease;
  min-height:44px;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(123,97,255,.24)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(123,97,255,.34)}
.btn-grad:active{transform:translateY(1px)}
.btn-ghost-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost-light:hover{color:#fff;border-color:var(--amber);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--border)}
.btn-outline:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px)}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--ink);
}
.btn-link-arrow i{transition:transform .25s ease}
.btn-link-arrow:hover i{transform:translateX(5px)}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;
  padding:72px 0 68px;
}
.cat-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.42;
}
.cat-hero .hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(18,16,26,.96) 0%,rgba(26,23,48,.86) 48%,rgba(18,16,26,.72) 100%);
}
.cat-hero .stars{
  position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(2px 2px at 12% 22%,rgba(255,255,255,.85),transparent 60%),
    radial-gradient(1.6px 1.6px at 34% 68%,rgba(255,255,255,.6),transparent 60%),
    radial-gradient(1.4px 1.4px at 62% 18%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(2px 2px at 82% 54%,rgba(242,169,59,.85),transparent 60%),
    radial-gradient(1.4px 1.4px at 72% 84%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.6px 1.6px at 22% 88%,rgba(46,197,182,.75),transparent 60%);
  opacity:.9;
}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:22px}
.breadcrumb-nav a{color:rgba(255,255,255,.72)}
.breadcrumb-nav a:hover{color:var(--amber)}
.breadcrumb-nav .sep{opacity:.5}
.breadcrumb-nav .current{color:#fff;font-weight:700}
.cat-hero h1{
  font-family:"Noto Serif SC","Noto Sans SC",serif;
  font-size:clamp(30px,4vw,52px);font-weight:700;line-height:1.18;color:#fff;
  max-width:820px;margin-bottom:18px;
}
.cat-hero .hero-sub{color:rgba(255,255,255,.8);font-size:17px;max-width:740px;margin:0 0 26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;padding:6px 14px;border-radius:var(--pill);
  color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-badge{min-width:150px}
.hero-badge .hb-num{
  font-size:30px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-badge .hb-label{display:block;font-size:13px;color:rgba(255,255,255,.62);margin-top:8px}

/* ============ 主体两栏 ============ */
.cat-body{padding:80px 0 88px}
.cat-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:48px;align-items:start}
.side-toc{position:sticky;top:calc(var(--nav-h) + 24px)}
.toc-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh);
}
.toc-title{font-size:14px;font-weight:800;letter-spacing:1.4px;color:var(--muted);text-transform:uppercase;margin-bottom:16px}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-list a{
  display:flex;align-items:center;gap:10px;font-size:15px;color:#4A4F5C;
  padding:9px 12px;border-radius:12px;transition:all .22s ease;
}
.toc-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--border);transition:background .22s ease}
.toc-list a:hover{background:var(--bg-2);color:var(--ink)}
.toc-list a:hover::before{background:var(--amber)}
.toc-list a.active{background:var(--grad-soft);color:var(--ink);font-weight:700}
.toc-list a.active::before{background:var(--grad)}
.toc-side-cta{
  margin-top:22px;border-radius:var(--r-lg);padding:22px;
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
  box-shadow:var(--sh-dark);
}
.toc-side-cta::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(1.6px 1.6px at 18% 24%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(1.6px 1.6px at 76% 66%,rgba(242,169,59,.8),transparent 60%);
}
.toc-side-cta > *{position:relative;z-index:1}
.toc-side-cta h3{font-size:17px;color:#fff;margin-bottom:10px;font-weight:700}
.toc-side-cta p{font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:16px;line-height:1.7}
.toc-side-cta .btn{width:100%;padding:12px 18px;font-size:14.5px}
.toc-mini{
  margin-top:18px;display:flex;gap:12px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:16px;box-shadow:var(--sh);
}
.toc-mini .mini-num{font-size:26px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.toc-mini .mini-label{font-size:13px;color:var(--muted)}

/* 内容区 */
.flow-block{margin-bottom:76px}
.flow-block:last-child{margin-bottom:0}
.block-head{margin-bottom:32px}
.block-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;margin-bottom:12px}
.block-head p{color:var(--muted);font-size:16px;margin:0;max-width:720px}

.overview-panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh);position:relative;overflow:hidden;
}
.overview-panel::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.overview-panel p{font-size:16.5px;color:#3C414F;margin-bottom:16px}
.overview-panel p:last-child{margin-bottom:0}
.overview-points{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.overview-point{
  background:var(--bg-2);border-radius:var(--r-md);padding:20px;
  border:1px solid transparent;transition:border-color .25s ease,transform .25s ease;
}
.overview-point:hover{border-color:var(--amber);transform:translateY(-3px)}
.overview-point i{font-size:18px;color:var(--nebula);margin-bottom:10px;display:block}
.overview-point h3{font-size:16px;font-weight:700;margin-bottom:6px}
.overview-point span{font-size:14px;color:var(--muted);line-height:1.7}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scene-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-sm);
  padding:24px 22px;box-shadow:var(--sh);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(123,97,255,.32)}
.scene-card .sc-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--nebula);font-size:17px;margin-bottom:16px;
}
.scene-card h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.5}
.scene-card p{font-size:14.5px;color:var(--muted);margin:0 0 14px;line-height:1.75}
.scene-card .sc-meta{font-size:13px;color:var(--amber);font-weight:700}

/* 时间线 */
.timeline{position:relative;display:flex;flex-direction:column;gap:34px}
.flow-item{
  display:grid;grid-template-columns:1.02fr 1fr;gap:30px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh);
  transition:transform .28s ease,box-shadow .28s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.flow-media{border-radius:var(--r-sm);overflow:hidden;position:relative;aspect-ratio:16/10;background:var(--bg-2)}
.flow-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.flow-item:hover .flow-media img{transform:scale(1.04)}
.flow-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,16,26,0) 42%,rgba(18,16,26,.34) 100%);
}
.flow-body{padding:6px 14px 6px 0}
.flow-item:nth-child(even) .flow-media{order:2}
.flow-item:nth-child(even) .flow-body{order:1;padding:6px 0 6px 14px}
.flow-step{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:1.4px;
  padding:5px 13px;border-radius:var(--pill);background:var(--grad-soft);color:var(--nebula);margin-bottom:14px;
}
.flow-body h3{font-size:20px;font-weight:700;margin-bottom:10px;line-height:1.45}
.flow-body p{font-size:15px;color:var(--muted);margin-bottom:14px;line-height:1.8}
.chip-list{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-size:12.5px;padding:5px 12px;border-radius:var(--pill);
  background:var(--bg-2);color:#5A5F6E;border:1px solid var(--border);
}

/* 数据条 */
.data-strip{
  background:var(--ink);border-radius:var(--r-xl);padding:44px 40px;
  display:grid;grid-template-columns:repeat(5,1fr);gap:22px;position:relative;overflow:hidden;
  box-shadow:var(--sh-dark);
}
.data-strip::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(1.8px 1.8px at 10% 30%,rgba(255,255,255,.6),transparent 60%),
    radial-gradient(1.8px 1.8px at 48% 76%,rgba(242,169,59,.8),transparent 60%),
    radial-gradient(1.6px 1.6px at 84% 26%,rgba(46,197,182,.7),transparent 60%);
}
.data-strip::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);
}
.data-item{position:relative;z-index:1;text-align:center}
.data-item .num{
  font-size:clamp(28px,3vw,36px);font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.data-item .lbl{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-top:10px}

/* 成效列表 */
.case-list{display:flex;flex-direction:column;gap:16px}
.case-row{
  display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:22px 26px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.case-row:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(242,169,59,.4)}
.case-index{
  font-family:"Noto Serif SC",serif;font-size:22px;font-weight:700;
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--nebula);
}
.case-row h3{font-size:17px;font-weight:700;margin-bottom:6px}
.case-row p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.7}
.case-metric{text-align:right;white-space:nowrap}
.case-metric strong{display:block;font-size:20px;font-weight:800;color:var(--ink)}
.case-metric span{font-size:12.5px;color:var(--muted)}

/* FAQ */
.faq-wrap{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(123,97,255,.3);box-shadow:var(--sh)}
.faq-item .accordion-button{
  display:flex;align-items:center;gap:16px;width:100%;
  background:#fff;border:0;padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);
  box-shadow:none !important;
}
.faq-item .accordion-button:not(.collapsed){color:var(--nebula);background:var(--grad-soft)}
.faq-item .accordion-button::after{display:none}
.faq-num{
  flex:0 0 auto;font-size:13px;font-weight:800;color:var(--muted);
  width:30px;height:30px;border-radius:10px;background:var(--bg-2);display:grid;place-items:center;
}
.faq-item .accordion-button:not(.collapsed) .faq-num{background:#fff;color:var(--nebula)}
.faq-plus{
  margin-left:auto;flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--border);display:grid;place-items:center;font-size:13px;color:var(--muted);
  transition:transform .3s ease,color .3s ease,border-color .3s ease;
}
.faq-item .accordion-button:not(.collapsed) .faq-plus{transform:rotate(45deg);color:var(--nebula);border-color:var(--nebula)}
.faq-item .accordion-body{padding:0 24px 22px 70px;font-size:15.5px;color:#4A4F5C;line-height:1.85}

/* CTA 面板 */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);padding:52px 48px;color:#fff;
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  box-shadow:0 24px 56px rgba(123,97,255,.3);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(2px 2px at 14% 26%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(1.6px 1.6px at 42% 72%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.8px 1.8px at 78% 34%,rgba(255,255,255,.65),transparent 60%),
    radial-gradient(1.6px 1.6px at 90% 80%,rgba(255,255,255,.5),transparent 60%);
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{color:#fff;font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.3;margin-bottom:12px}
.cta-panel p{color:rgba(255,255,255,.9);font-size:16px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-actions .btn{background:#fff;color:var(--ink);font-weight:700}
.cta-actions .btn:hover{color:var(--nebula);transform:translateY(-2px)}
.cta-actions .btn-outline-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.cta-actions .btn-outline-w:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.14)}

/* 相关入口 */
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.related-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);transition:transform .28s ease,box-shadow .28s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);color:var(--ink)}
.related-card .rc-tag{font-size:13px;font-weight:700;color:var(--amber);margin-bottom:10px;display:block}
.related-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.related-card p{font-size:14.5px;color:var(--muted);margin:0 0 14px;line-height:1.75}
.related-card .rc-more{font-size:14px;font-weight:700;color:var(--nebula);display:inline-flex;align-items:center;gap:8px}
.related-card .rc-more i{transition:transform .25s ease}
.related-card:hover .rc-more i{transform:translateX(5px)}
.back-home{
  display:inline-flex;align-items:center;gap:10px;margin-top:28px;
  font-size:15px;font-weight:700;color:var(--muted);
}
.back-home:hover{color:var(--amber)}

/* 弹层表单 */
.modal-content{border:0;border-radius:var(--r-xl);overflow:hidden;box-shadow:0 30px 70px rgba(18,16,26,.4)}
.lead-modal-grid{display:grid;grid-template-columns:0.85fr 1fr}
.lead-aside{
  background:var(--ink);color:#fff;padding:38px 32px;position:relative;overflow:hidden;
}
.lead-aside::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(2px 2px at 18% 24%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(1.6px 1.6px at 68% 62%,rgba(242,169,59,.85),transparent 60%),
    radial-gradient(1.6px 1.6px at 40% 88%,rgba(46,197,182,.75),transparent 60%);
}
.lead-aside::after{
  content:"";position:absolute;left:-40px;bottom:-60px;width:240px;height:240px;border-radius:50%;
  background:var(--grad);opacity:.28;filter:blur(12px);
}
.lead-aside > *{position:relative;z-index:1}
.lead-aside h3{color:#fff;font-size:24px;font-weight:800;line-height:1.35;margin-bottom:14px}
.lead-aside p{color:rgba(255,255,255,.74);font-size:14.5px;line-height:1.8}
.lead-aside .aside-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.lead-aside .aside-badges span{
  font-size:12.5px;padding:6px 12px;border-radius:var(--pill);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.07);color:rgba(255,255,255,.85);
}
.lead-form{padding:38px 34px;background:#fff}
.lead-form h3{font-size:20px;font-weight:800;margin-bottom:6px}
.lead-form .form-hint{font-size:13.5px;color:var(--muted);margin-bottom:22px;display:block}
.form-label{font-size:14px;font-weight:600;color:#3C414F;margin-bottom:8px}
.form-control,.form-select{
  height:48px;border-radius:var(--r-input);border:1px solid var(--border);background:var(--bg);
  font-size:15px;color:var(--text);padding:0 16px;transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
textarea.form-control{height:auto;padding:14px 16px;line-height:1.7}
.form-control:focus,.form-select:focus{
  background:#fff;border-color:var(--amber);box-shadow:0 0 0 4px rgba(242,169,59,.16);
}
.form-control::placeholder{color:#A7ABB8}
.form-check-input:checked{background-color:var(--nebula);border-color:var(--nebula)}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(123,97,255,.18);border-color:var(--nebula)}
.form-check-label{font-size:13.5px;color:var(--muted)}
.form-check-label a{color:var(--nebula);font-weight:600}
.btn-submit{width:100%;padding:15px 24px;font-size:16px}
.form-note{font-size:12.5px;color:#9AA0AD;margin-top:14px;line-height:1.7}
.err-msg{display:none;font-size:12.5px;color:#D9534F;margin-top:6px}
.was-validated .form-control:invalid ~ .err-msg{display:block}
.was-validated .form-control:invalid{border-color:#E9A9A6;background:#FDF5F5}

/* 页脚 */
.site-footer{
  position:relative;background:var(--ink);color:rgba(255,255,255,.72);
  padding:78px 0 30px;margin-top:0;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);
}
.site-footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(1.6px 1.6px at 12% 18%,rgba(255,255,255,.45),transparent 60%),
    radial-gradient(1.6px 1.6px at 46% 62%,rgba(242,169,59,.45),transparent 60%),
    radial-gradient(1.4px 1.4px at 78% 28%,rgba(46,197,182,.4),transparent 60%),
    radial-gradient(1.4px 1.4px at 90% 74%,rgba(255,255,255,.35),transparent 60%);
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px}
.footer-brand .brand-text{font-size:18px;font-weight:800;color:#fff}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);margin:0}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:var(--amber)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.66)}
.footer-contact i{margin-top:5px;color:var(--amber);font-size:13px}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* 浮动按钮 */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;border:0;border-radius:var(--pill);
  background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 16px 36px rgba(123,97,255,.36);cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease;
}
.float-cta:hover{transform:translateY(-3px);box-shadow:0 22px 46px rgba(123,97,255,.44)}

/* 移动端抽屉 */
.offcanvas{background:var(--ink);color:#fff;width:320px}
.offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:22px 24px}
.offcanvas-title{font-size:17px;font-weight:800;color:#fff}
.offcanvas-body{padding:24px}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:26px}
.drawer-nav a{
  font-size:17px;font-weight:600;color:rgba(255,255,255,.82);
  padding:14px 12px;border-radius:14px;transition:all .22s ease;
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(255,255,255,.08);color:var(--amber)}
.offcanvas .btn{width:100%}
.btn-close{filter:invert(1) grayscale(1);opacity:.8}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:72px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .cat-layout{grid-template-columns:240px minmax(0,1fr);gap:32px}
  .data-strip{grid-template-columns:repeat(3,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:991px){
  :root{--sec:64px;--nav-h:64px}
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .cmd-search{display:none}
  .cat-layout{grid-template-columns:1fr;gap:34px}
  .side-toc{position:static}
  .toc-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .toc-list a{white-space:nowrap;padding:8px 14px;border:1px solid var(--border);border-radius:var(--pill);background:#fff}
  .toc-list a::before{display:none}
  .flow-item{grid-template-columns:1fr;gap:20px}
  .flow-item:nth-child(even) .flow-media{order:0}
  .flow-item:nth-child(even) .flow-body{order:0;padding:6px 4px}
  .flow-body{padding:6px 4px}
  .overview-points{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:40px 30px}
  .cta-actions{justify-content:flex-start}
  .lead-modal-grid{grid-template-columns:1fr}
  .lead-aside{padding:28px 26px}
  .related-grid{grid-template-columns:1fr}
  .case-row{grid-template-columns:auto 1fr;row-gap:14px}
  .case-metric{grid-column:2;text-align:left}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .cat-hero{padding:52px 0 48px}
  .hero-badges{gap:20px}
  .hero-badge{min-width:120px}
  .cat-body{padding:56px 0 64px}
  .scene-grid{grid-template-columns:1fr}
  .data-strip{grid-template-columns:repeat(2,1fr);padding:32px 22px}
  .faq-item .accordion-body{padding:0 20px 20px 20px}
  .faq-item .accordion-button{padding:18px 18px;font-size:16px;gap:12px}
  .overview-panel{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .modal-dialog{margin:0;align-items:flex-end;min-height:100%}
  .modal-content{border-radius:var(--r-xl) var(--r-xl) 0 0}
  .float-cta{right:16px;bottom:16px;padding:13px 18px;font-size:14px}
}
@media (max-width:520px){
  .cat-hero h1{font-size:29px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .brand-text{font-size:16px}
  .data-strip{grid-template-columns:1fr 1fr;gap:22px}
  .case-row{grid-template-columns:1fr}
  .case-index{width:44px;height:44px;font-size:18px}
  .case-metric{grid-column:1}
  .cta-panel{padding:32px 22px}
  .cta-actions .btn{width:100%}
  .lead-form{padding:28px 22px}
}