/* roulang page: index */
:root{
  --brand-1:#0FB5A0;
  --brand-2:#6C4CF1;
  --brand-grad:linear-gradient(102deg,#0FB5A0 0%,#6C4CF1 100%);
  --orange:#FF7A3D;
  --orange-hover:#FF9257;
  --gold:#E8C87A;
  --bg-0:#0B0E14;
  --bg-1:#141A24;
  --card:#1A2130;
  --paper:#F5F1E8;
  --txt-dark:#C9D1DC;
  --head-dark:#FFFFFF;
  --txt-light:#3A4250;
  --head-light:#12151C;
  --line-dark:rgba(232,200,122,.18);
  --line-soft:rgba(255,255,255,.07);
  --line-light:rgba(18,21,28,.10);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-dark:0 18px 44px rgba(6,10,18,.45);
  --sh-dark-hover:0 22px 54px rgba(6,10,18,.58);
  --sh-light:0 12px 30px rgba(20,26,36,.10);
  --sh-light-hover:0 16px 38px rgba(20,26,36,.14);
  --pad-sec:88px;
  --bs-primary:#0FB5A0;
  --bs-primary-rgb:15,181,160;
  --bs-body-bg:#0B0E14;
  --bs-body-color:#C9D1DC;
  --bs-border-radius:16px;
  --bs-border-radius-lg:24px;
  --bs-border-radius-sm:12px;
  --bs-link-color:#0FB5A0;
  --bs-link-hover-color:#FF7A3D;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--txt-dark);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-weight:800;letter-spacing:-.02em;line-height:1.22;color:var(--head-dark);margin:0 0 .5em}
p{margin:0 0 1em}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
img{max-width:100%;display:block;border:0}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-1);
  outline-offset:3px;
  border-radius:6px;
}
::selection{background:rgba(108,76,241,.45);color:#fff}

/* ---------- 布局容器 ---------- */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.main-wrap{margin-left:0;min-height:100vh;display:flex;flex-direction:column}
main{flex:1 0 auto}
section{padding:var(--pad-sec) 0;position:relative;scroll-margin-top:24px}
.sec-tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--gold);
  font-weight:600;margin-bottom:14px;
}
h2{font-size:34px}
h3{font-size:21px}
.lead{font-size:17px;line-height:1.85;color:var(--txt-dark)}
.muted{color:rgba(201,209,220,.66);font-size:14px}
.paper{background:var(--paper);color:var(--txt-light)}
.paper h1,.paper h2,.paper h3,.paper h4,.paper h5{color:var(--head-light)}
.paper .lead,.paper p{color:var(--txt-light)}
.paper .muted{color:rgba(58,66,80,.7)}
.paper .eyebrow{color:#8A6A17}
.grain::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='140' height='140' filter='url(/%23n)'/></svg>");
}

/* ---------- 猫瞳品牌标记 ---------- */
.cat-eye{
  width:26px;height:26px;border-radius:50%;display:inline-block;position:relative;flex:0 0 auto;
  background:var(--brand-grad);
  box-shadow:0 0 0 1px rgba(232,200,122,.6),0 0 18px rgba(15,181,160,.42);
}
.cat-eye::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:5px;height:13px;border-radius:50%;background:#0B0E14;
}
.brand-name{
  font-size:20px;font-weight:900;letter-spacing:-.03em;
  background:linear-gradient(96deg,#FFFFFF 20%,#8FF0E2 60%,#C4B4FF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- 左侧 App Shell ---------- */
.app-sidebar{
  position:fixed;left:0;top:0;bottom:0;width:260px;z-index:1040;
  background:linear-gradient(180deg,#0B0E14 0%,#101725 60%,#0B0E14 100%);
  border-right:1px solid var(--line-dark);
  padding:30px 20px 24px;
  flex-direction:column;gap:26px;
}
.side-brand{display:flex;align-items:center;gap:11px;padding:4px 6px 0}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-link{
  display:flex;align-items:center;gap:10px;position:relative;
  padding:12px 14px;border-radius:14px;font-size:15px;font-weight:500;
  color:var(--txt-dark);
}
.side-link:hover{background:rgba(15,181,160,.10);color:#fff}
.side-link.active{color:#fff;background:rgba(108,76,241,.15);font-weight:700}
.side-link.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:3px;background:var(--brand-grad);
}
.side-anchors{display:flex;flex-direction:column;gap:2px;padding-top:6px;border-top:1px dashed rgba(255,255,255,.09)}
.side-anchors .side-anchor{
  font-size:13.5px;color:rgba(201,209,220,.72);padding:9px 14px;border-radius:10px;
}
.side-anchors .side-anchor:hover{color:#fff;background:rgba(255,255,255,.05)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.side-badge{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:var(--r-md);
  background:rgba(26,33,48,.9);border:1px solid rgba(232,200,122,.32);
}
.side-badge .num{font-size:19px;font-weight:900;font-variant-numeric:tabular-nums;color:#fff}
.side-badge .bd-note{font-size:11.5px;color:rgba(201,209,220,.6);line-height:1.4}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  position:sticky;top:0;z-index:1030;
  display:flex;align-items:center;gap:14px;
  padding:12px 18px;
  background:rgba(11,14,20,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-dark);
}
.topbar-brand{display:flex;align-items:center;gap:9px;margin-right:auto}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--txt-dark)}
.burger:hover span{background:#fff}
.topbar-cta{
  padding:9px 16px;border-radius:999px;background:var(--brand-grad);
  color:#fff;font-size:13.5px;font-weight:700;
}
.topbar-cta:hover{color:#fff;filter:brightness(1.08)}
.drawer{background:#0B0E14 !important;border-right:1px solid var(--line-dark);width:290px}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:18px 22px}
.drawer .offcanvas-body{padding:18px 14px 30px;display:flex;flex-direction:column;gap:6px}
.drawer .side-link{padding:15px 16px;font-size:16px;margin-bottom:4px}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.75}
.drawer .btn-close:hover{opacity:1}

/* ---------- 按钮 ---------- */
.btn-grad,.btn-orange,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  border:none;cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn-grad{background:var(--brand-grad);color:#fff;box-shadow:0 12px 28px rgba(108,76,241,.3)}
.btn-grad:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 18px 36px rgba(108,76,241,.42)}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 12px 28px rgba(255,122,61,.28)}
.btn-orange:hover{background:var(--orange-hover);color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,122,61,.38)}
.btn-ghost{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28);
}
.btn-ghost:hover{background:rgba(15,181,160,.12);border-color:rgba(15,181,160,.6);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--brand-1);text-decoration:underline;text-underline-offset:4px;
  text-decoration-color:rgba(15,181,160,.45);
}
.text-link::before{content:"";width:0;height:2px;background:var(--orange);transition:width .25s ease;border-radius:2px}
.text-link:hover{color:var(--orange);text-decoration-color:var(--orange)}
.text-link:hover::before{width:12px}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:104px 0 0;
  background-image:url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line-dark);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,14,20,.84) 0%,rgba(11,14,20,.93) 55%,#0B0E14 100%);
}
.hero::after{
  content:"";position:absolute;left:-10%;top:-25%;width:74%;height:150%;
  background:var(--brand-grad);opacity:.17;
  clip-path:polygon(0 0,74% 0,42% 100%,0 100%);
}
.hero .wrap{position:relative;z-index:2}
.hero-kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;letter-spacing:.1em;color:var(--gold);font-weight:600;
  padding:8px 16px;border:1px solid rgba(232,200,122,.36);border-radius:999px;
  background:rgba(232,200,122,.06);margin-bottom:24px;
}
.hero h1{
  font-size:58px;font-weight:900;line-height:1.12;letter-spacing:-.03em;
  max-width:16em;margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:660px;font-size:16.5px;line-height:1.9;color:rgba(201,209,220,.88);margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-badges{padding-bottom:34px}
.hero-rule{height:1px;background:linear-gradient(90deg,rgba(232,200,122,0) 0%,rgba(232,200,122,.65) 30%,rgba(232,200,122,.65) 70%,rgba(232,200,122,0) 100%)}

/* ---------- 数据徽章 ---------- */
.badges{display:flex;gap:14px;flex-wrap:wrap}
.badges.scroll{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.badges.scroll::-webkit-scrollbar{height:5px}
.badges.scroll::-webkit-scrollbar-thumb{background:rgba(232,200,122,.35);border-radius:4px}
.badge-data{
  display:flex;align-items:center;gap:12px;min-width:184px;
  padding:13px 18px;border-radius:var(--r-md);
  background:rgba(26,33,48,.86);
  border:1px solid rgba(232,200,122,.34);
  backdrop-filter:blur(6px);
}
.badge-data .bd-ico{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(232,200,122,.42);background:rgba(232,200,122,.07);
}
.badge-data .bd-main{display:flex;flex-direction:column;line-height:1.25}
.badge-data .bd-val{font-variant-numeric:tabular-nums;font-weight:900;font-size:21px;color:#fff}
.badge-data .bd-val .bd-unit{font-size:12.5px;font-weight:700;margin-left:2px;color:var(--gold)}
.badge-data .bd-note{font-size:11.5px;color:rgba(201,209,220,.62);margin-top:2px}
.paper .badge-data{background:#fff;border-color:rgba(200,168,80,.45);box-shadow:var(--sh-light)}
.paper .badge-data .bd-val{color:var(--head-light)}
.paper .badge-data .bd-note{color:rgba(58,66,80,.66)}

/* ---------- 卡片 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-feature{display:grid;grid-template-columns:1.32fr 1fr 1fr;gap:24px}
.grid-split-7{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
.grid-split-5{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:center}
.card-x{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-dark);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-dark-hover);border-color:rgba(15,181,160,.35)}
.card-x.is-lead{border-color:rgba(232,200,122,.35)}
.card-body-x{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;gap:12px}
.thumb{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--brand-grad)}
.thumb.wide{aspect-ratio:16/9}
.thumb.square{aspect-ratio:1/1}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-x:hover .thumb img{transform:scale(1.04)}
.chip-tag{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  color:var(--gold);background:rgba(11,14,20,.72);
  border:1px solid rgba(232,200,122,.42);backdrop-filter:blur(6px);
}
.chip-tag.solid{background:var(--brand-grad);color:#fff;border-color:transparent}
.thumb-ph{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;background:var(--brand-grad);color:#fff;font-weight:900;font-size:14px;letter-spacing:.06em;
}
.card-title-x{font-size:19px;font-weight:800;line-height:1.35;margin:0;color:#fff}
.card-x a.card-title-x:hover{color:#8FF0E2}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;line-height:1.75;color:rgba(201,209,220,.72);margin:0}
.card-foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.mini-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  color:var(--gold);border:1px solid rgba(232,200,122,.38);background:rgba(232,200,122,.06);
  font-variant-numeric:tabular-nums;
}
.paper .card-x{background:#fff;border-color:rgba(18,21,28,.08);box-shadow:var(--sh-light);color:var(--txt-light)}
.paper .card-x:hover{box-shadow:var(--sh-light-hover)}
.paper .card-title-x{color:var(--head-light)}
.paper .card-desc{color:rgba(58,66,80,.78)}
.paper .card-x a.card-title-x:hover{color:#0B6E63}

/* ---------- 场景演示 ---------- */
.stage{
  position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-dark);
  border:1px solid rgba(232,200,122,.2);aspect-ratio:16/10;background:var(--brand-grad);
}
.stage img{width:100%;height:100%;object-fit:cover}
.stage::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,20,.05) 30%,rgba(11,14,20,.86) 100%)}
.stage-cap{position:absolute;left:26px;right:26px;bottom:24px;z-index:2}
.stage-cap h3{font-size:22px;margin-bottom:6px}
.stage-cap p{font-size:14px;color:rgba(201,209,220,.8);margin:0}
.play-btn{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);z-index:3;
  width:74px;height:74px;border-radius:50%;border:1px solid rgba(255,255,255,.4);
  background:rgba(11,14,20,.42);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.28s ease;
}
.play-btn::before{
  content:"";width:0;height:0;margin-left:4px;
  border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent;
}
.play-btn:hover{background:rgba(255,122,61,.8);border-color:var(--orange);transform:translate(-50%,-50%) scale(1.06)}
.scene-list{display:flex;flex-direction:column;gap:16px}
.scene-item{
  display:flex;gap:16px;padding:16px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line-soft);
  box-shadow:var(--sh-dark);transition:.25s ease;
}
.scene-item:hover{transform:translateY(-3px);border-color:rgba(15,181,160,.35)}
.scene-item .thumb{width:96px;flex:0 0 96px;border-radius:var(--r-sm);aspect-ratio:1/1}
.scene-item h4{font-size:16px;margin:0 0 6px;color:#fff}
.scene-item p{font-size:13.5px;line-height:1.7;margin:0;color:rgba(201,209,220,.7)}

/* ---------- 对比表 ---------- */
.cmp{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-soft);
  background:var(--card);box-shadow:var(--sh-dark);
}
.cmp-scroll{overflow-x:auto}
.cmp table{width:100%;border-collapse:collapse;min-width:640px}
.cmp th,.cmp td{padding:17px 22px;text-align:left;font-size:14.5px;border-bottom:1px solid rgba(255,255,255,.06)}
.cmp thead th{
  background:linear-gradient(102deg,rgba(15,181,160,.2),rgba(108,76,241,.22));
  color:#fff;font-weight:800;font-size:14px;letter-spacing:.02em;
}
.cmp tbody td:first-child{background:rgba(255,255,255,.035);color:rgba(201,209,220,.85);font-weight:600;width:26%}
.cmp tbody td:nth-child(2){color:rgba(201,209,220,.6)}
.cmp tbody td:nth-child(3){color:#fff;font-weight:600}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;background:linear-gradient(102deg,rgba(15,181,160,.14),rgba(108,76,241,.16));
}
.cmp-cta p{margin:0;font-size:14.5px;color:rgba(201,209,220,.86)}

/* ---------- 口碑横滑 ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 2px 18px;scroll-snap-type:x mandatory}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(232,200,122,.32);border-radius:4px}
.quote-card{
  flex:0 0 330px;scroll-snap-align:start;
  display:flex;flex-direction:column;gap:14px;
  padding:24px;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--line-soft);box-shadow:var(--sh-dark);
}
.quote-head{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;
  background:var(--brand-grad);display:flex;align-items:center;justify-content:center;
  font-weight:900;color:#fff;font-size:16px;
  box-shadow:0 0 0 2px rgba(232,200,122,.35);
}
.quote-name{font-size:15px;font-weight:700;color:#fff;line-height:1.3}
.quote-tag{font-size:12px;color:var(--gold)}
.stars{display:flex;gap:3px}
.stars i{
  width:12px;height:12px;display:inline-block;
  clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);
  background:var(--gold);
}
.stars i.off{background:rgba(232,200,122,.28)}
.quote-card p{margin:0;font-size:14px;line-height:1.8;color:rgba(201,209,220,.8)}

/* ---------- 功能矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.matrix-item{
  display:flex;gap:16px;padding:22px;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--line-soft);box-shadow:var(--sh-dark);
  transition:.25s ease;
}
.matrix-item:hover{transform:translateY(-4px);border-color:rgba(108,76,241,.4)}
.matrix-ico{
  width:44px;height:44px;flex:0 0 auto;border-radius:14px;
  background:var(--brand-grad);display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(108,76,241,.28);
}
.matrix-ico svg{width:22px;height:22px}
.matrix-item h4{font-size:16.5px;margin:0 0 6px;color:#fff}
.matrix-item p{font-size:13.5px;line-height:1.7;margin:0;color:rgba(201,209,220,.7)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step{position:relative;padding-top:6px}
.step-num{
  width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#fff;font-weight:900;font-size:18px;
  font-variant-numeric:tabular-nums;box-shadow:0 10px 24px rgba(108,76,241,.3);
  margin-bottom:16px;
}
.step:not(:last-child)::after{
  content:"";position:absolute;left:62px;top:29px;right:-12px;height:0;
  border-top:1px dashed rgba(232,200,122,.35);
}
.step h4{font-size:17px;margin:0 0 8px;color:#fff}
.step p{font-size:13.5px;line-height:1.7;margin:0;color:rgba(201,209,220,.7)}

/* ---------- 折叠（误区 / FAQ） ---------- */
.myth-wrap{border-top:1px solid rgba(255,255,255,.08)}
.myth-item{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:none;border-bottom:1px solid rgba(255,255,255,.08);
  padding:22px 4px;text-align:left;cursor:pointer;color:#fff;font-size:16.5px;font-weight:700;
  transition:color .22s ease;
}
.myth-item:hover{color:#8FF0E2}
.myth-ico{width:20px;height:20px;position:relative;flex:0 0 auto}
.myth-ico::before,.myth-ico::after{
  content:"";position:absolute;background:var(--brand-1);border-radius:2px;transition:transform .28s ease;
}
.myth-ico::before{left:0;top:9px;width:20px;height:2px}
.myth-ico::after{left:9px;top:0;width:2px;height:20px}
.myth-item[aria-expanded="true"] .myth-ico::after{transform:scaleY(0)}
.myth-a{padding:0 4px 24px;font-size:14.5px;line-height:1.85;color:rgba(201,209,220,.76);max-width:860px}

.faq-acc .accordion-item{
  background:#fff;border:none;border-radius:var(--r-md) !important;margin-bottom:14px;
  box-shadow:var(--sh-light);overflow:hidden;
}
.faq-acc .accordion-button{
  background:#fff;color:var(--head-light);font-weight:700;font-size:16.5px;
  padding:20px 24px;box-shadow:none;border-radius:var(--r-md) !important;
}
.faq-acc .accordion-button:not(.collapsed){color:#0B6E63;background:#fff}
.faq-acc .accordion-button::after{
  background-image:none;content:"+";width:auto;height:auto;
  font-size:24px;font-weight:700;color:var(--brand-1);line-height:1;
  display:flex;align-items:center;justify-content:center;transform:none;transition:none;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"–";transform:none}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid rgba(15,181,160,.5);outline-offset:-2px}
.faq-acc .accordion-body{padding:0 24px 22px;font-size:14.5px;line-height:1.85;color:rgba(58,66,80,.85)}

/* ---------- 时间线 ---------- */
.timeline{display:flex;flex-direction:column;gap:0}
.tl-item{display:grid;grid-template-columns:110px 1fr;gap:24px;padding-bottom:26px;position:relative}
.tl-item:not(:last-child)::before{
  content:"";position:absolute;left:55px;top:44px;bottom:0;width:1px;
  background:linear-gradient(180deg,rgba(232,200,122,.35),rgba(232,200,122,.04));
}
.tl-date{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 8px;border-radius:var(--r-sm);font-size:12.5px;font-weight:700;
  color:var(--gold);border:1px solid rgba(232,200,122,.36);background:rgba(232,200,122,.06);
  font-variant-numeric:tabular-nums;height:fit-content;
}
.tl-body h4{font-size:16px;margin:0 0 6px;color:#fff}
.tl-body p{font-size:13.8px;line-height:1.75;margin:0;color:rgba(201,209,220,.72)}

/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-pill{
  padding:9px 20px;border-radius:999px;font-size:14px;
  border:1px solid rgba(255,255,255,.16);color:var(--txt-dark);
  background:rgba(255,255,255,.03);transition:.25s ease;cursor:default;
}
.tag-pill:hover{
  border-color:transparent;color:#fff;
  background:linear-gradient(102deg,rgba(15,181,160,.35),rgba(108,76,241,.35));
  box-shadow:0 8px 22px rgba(108,76,241,.22);transform:translateY(-2px);
}

/* ---------- 保障条 ---------- */
.guard{
  border-radius:var(--r-xl);padding:34px 30px;
  background:linear-gradient(102deg,rgba(15,181,160,.08),rgba(108,76,241,.09));
  border:1px solid rgba(232,200,122,.2);
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
}
.guard-item{display:flex;gap:14px;align-items:flex-start}
.guard-ico{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  border:1px solid rgba(232,200,122,.44);background:rgba(232,200,122,.08);
  display:flex;align-items:center;justify-content:center;
}
.guard-ico svg{width:20px;height:20px}
.guard-item h4{font-size:15.5px;margin:0 0 5px;color:#fff}
.guard-item p{font-size:13px;line-height:1.65;margin:0;color:rgba(201,209,220,.7)}

/* ---------- 方案对比 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{
  position:relative;padding:32px 28px;border-radius:var(--r-xl);
  background:var(--card);border:1px solid var(--line-soft);box-shadow:var(--sh-dark);
  display:flex;flex-direction:column;gap:18px;transition:.28s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-dark-hover)}
.plan.featured{
  border:1px solid transparent;
  background:
    linear-gradient(var(--card),var(--card)) padding-box,
    var(--brand-grad) border-box;
  box-shadow:0 24px 56px rgba(108,76,241,.28);
  padding-top:44px;padding-bottom:44px;
}
.plan-flag{
  position:absolute;top:14px;right:18px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:800;
  color:#12151C;background:var(--gold);
}
.plan h3{font-size:20px;margin:0}
.plan .plan-sub{font-size:13.5px;color:rgba(201,209,220,.66);margin:0}
.plan .plan-val{font-size:34px;font-weight:900;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.plan .plan-val span{font-size:14px;font-weight:600;color:rgba(201,209,220,.66);margin-left:6px}
.plan ul{display:flex;flex-direction:column;gap:11px}
.plan li{display:flex;gap:10px;font-size:14px;color:rgba(201,209,220,.8);line-height:1.6}
.plan li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:5px;border-radius:50%;
  background:var(--brand-grad);
  clip-path:polygon(14% 47%,0 61%,38% 100%,100% 24%,86% 12%,36% 72%);
}
.plan .btn-grad,.plan .btn-ghost{width:100%;margin-top:auto}

/* ---------- 表单 ---------- */
.sub-form{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:center}
.field{
  width:100%;padding:14px 18px;border-radius:999px;font-size:14.5px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  color:#fff;transition:.25s ease;
}
.field::placeholder{color:rgba(201,209,220,.55)}
.field:focus{
  outline:none;border-color:transparent;
  background:
    linear-gradient(rgba(11,14,20,.9),rgba(11,14,20,.9)) padding-box,
    var(--brand-grad) border-box;
  border:1px solid transparent;
  box-shadow:0 0 0 3px rgba(15,181,160,.16);
}
.form-note{font-size:12.5px;color:rgba(201,209,220,.55);margin:14px 0 0}

/* ---------- 结尾 CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:74px 40px;text-align:center;
  background-image:url('/assets/images/backpic/back-4.jpg');
  background-size:cover;background-position:center;
  border:1px solid rgba(232,200,122,.24);
}
.final-cta::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,14,20,.94),rgba(20,26,36,.82))}
.final-cta > *{position:relative;z-index:2}
.final-cta h2{font-size:clamp(28px,4vw,46px);font-weight:900;letter-spacing:-.03em;margin-bottom:16px}
.final-cta p{max-width:620px;margin:0 auto 28px;color:rgba(201,209,220,.82);font-size:15.5px}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line-dark);
  background:linear-gradient(180deg,#0B0E14,#0F1522);
  padding:56px 0 34px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;margin-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-grid p{font-size:13.8px;line-height:1.85;color:rgba(201,209,220,.66);max-width:420px}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(201,209,220,.7);padding:6px 0;transition:.2s}
.footer-col a:hover{color:var(--brand-1);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(201,209,220,.5)}
.footer-bottom .dot{color:rgba(232,200,122,.6)}

/* ---------- 底部固定转化条 ---------- */
.float-bar{
  position:fixed;right:28px;bottom:28px;z-index:1055;
  display:flex;align-items:center;gap:16px;
  padding:11px 12px 11px 22px;border-radius:999px;
  background:rgba(20,26,36,.94);
  border:1px solid rgba(232,200,122,.32);
  box-shadow:0 18px 44px rgba(6,10,18,.6);
  backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;transform:translateY(16px);
  transition:opacity .35s ease,transform .35s ease,visibility .35s;
}
.float-bar.show{opacity:1;visibility:visible;transform:none}
.float-bar .fb-text{font-size:13.5px;color:rgba(201,209,220,.86);white-space:nowrap}
.float-bar .fb-close{
  width:28px;height:28px;border-radius:50%;border:1px solid rgba(255,255,255,.16);
  background:transparent;color:rgba(201,209,220,.7);font-size:14px;line-height:1;
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s;
}
.float-bar .fb-close:hover{color:#fff;border-color:rgba(255,255,255,.4)}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  .main-wrap{margin-left:260px}
}
@media (max-width:1199px){
  .hero h1{font-size:50px}
  .grid-feature{grid-template-columns:1.2fr 1fr 1fr}
  .wrap{padding:0 26px}
}
@media (max-width:991px){
  :root{--pad-sec:64px}
  h2{font-size:28px}
  .hero{padding-top:72px}
  .hero h1{font-size:38px}
  .hero-lead{font-size:15.5px}
  .grid-feature{grid-template-columns:1fr;gap:20px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px}
  .step:not(:last-child)::after{display:none}
  .guard{grid-template-columns:repeat(2,1fr);padding:28px 22px}
  .plan-grid{grid-template-columns:1fr}
  .plan.featured{padding-top:34px;padding-bottom:34px}
  .grid-split-7,.grid-split-5{grid-template-columns:1fr}
  .sub-form{grid-template-columns:1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .float-bar{left:0;right:0;bottom:0;border-radius:0;padding:12px 16px;justify-content:space-between;border-left:none;border-right:none;border-bottom:none}
  .float-bar .fb-text{font-size:13px}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .hero h1{font-size:32px}
  .grid-3,.grid-4,.matrix,.guard,.footer-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .quote-card{flex:0 0 84%}
  .tl-item{grid-template-columns:88px 1fr;gap:16px}
  .tl-item:not(:last-child)::before{left:43px}
  .badges.scroll{flex-wrap:nowrap}
  .card-body-x{padding:18px 18px 20px}
  .final-cta{padding:52px 22px;border-radius:var(--r-lg)}
  .cmp-cta{padding:18px;flex-direction:column;align-items:flex-start}
  .myth-item{font-size:15.5px;padding:18px 2px}
  .plan{padding:26px 22px}
}
@media (max-width:519px){
  :root{--pad-sec:56px}
  .hero h1{font-size:30px}
  .sec-head{margin-bottom:26px}
  .site-footer{padding:42px 0 26px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
 --brand-1:#0FB5A0;
 --brand-2:#6C4CF1;
 --brand-grad:linear-gradient(102deg,#0FB5A0 0%,#6C4CF1 100%);
 --orange:#FF7A3D;
 --orange-hover:#FF9257;
 --gold:#E8C87A;
 --bg-0:#0B0E14;
 --bg-1:#141A24;
 --card:#1A2130;
 --paper:#F5F1E8;
 --txt-dark:#C9D1DC;
 --head-dark:#FFFFFF;
 --txt-light:#3A4250;
 --head-light:#12151C;
 --line-dark:rgba(232,200,122,.18);
 --line-soft:rgba(255,255,255,.07);
 --line-light:rgba(18,21,28,.10);
 --r-xl:28px;
 --r-lg:24px;
 --r-md:16px;
 --r-sm:12px;
 --sh-dark:0 18px 44px rgba(6,10,18,.45);
 --sh-dark-hover:0 22px 54px rgba(6,10,18,.58);
 --sh-light:0 12px 30px rgba(20,26,36,.10);
 --sh-light-hover:0 16px 38px rgba(20,26,36,.14);
 --pad-sec:88px;
 --bs-primary:#0FB5A0;
 --bs-primary-rgb:15,181,160;
 --bs-body-bg:#0B0E14;
 --bs-body-color:#C9D1DC;
 --bs-border-radius:16px;
 --bs-border-radius-lg:24px;
 --bs-border-radius-sm:12px;
 --bs-link-color:#0FB5A0;
 --bs-link-hover-color:#FF7A3D;
 --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;line-height:1.8;color:var(--txt-dark);background:var(--bg-0);
 -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
img{max-width:100%;display:block;border:0}
button,input,select{font-family:inherit}
h1,h2,h3,h4{font-weight:900;letter-spacing:-.02em;line-height:1.22;color:var(--head-dark);margin:0}
p{margin:0 0 1em}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
 outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px;
}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
section{padding:var(--pad-sec) 0;position:relative;scroll-margin-top:24px}
.paper{background:var(--paper);color:var(--txt-light)}
.paper h1,.paper h2,.paper h3,.paper h4{color:var(--head-light)}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--gold);font-weight:700;margin-bottom:14px}
.paper .eyebrow{color:#8A6A17}
.muted{color:rgba(201,209,220,.66);font-size:14px}
.paper .muted{color:rgba(58,66,80,.72)}
.lead{font-size:17px;line-height:1.85}

/* ---------- Logo 猫瞳 ---------- */
.cat-eye{
 width:28px;height:28px;border-radius:50%;flex:0 0 auto;position:relative;
 background:conic-gradient(from 200deg,#0FB5A0,#6C4CF1,#0FB5A0);
 display:inline-flex;align-items:center;justify-content:center;
}
.cat-eye::after{content:"";width:15px;height:15px;border-radius:50%;background:#0B0E14;box-shadow:inset 0 0 0 1.5px rgba(232,200,122,.55)}
.cat-eye i{position:absolute;width:3.5px;height:11px;border-radius:2px;background:linear-gradient(180deg,#0FB5A0,#6C4CF1)}
.brand-name{
 font-size:20px;font-weight:900;letter-spacing:-.03em;
 background:linear-gradient(96deg,#FFFFFF 20%,#8FF0E2 60%,#C4B4FF 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- 侧边 App Shell ---------- */
.app-side{
 position:fixed;left:0;top:0;bottom:0;width:260px;z-index:1040;
 background:#0B0E14;border-right:1px solid var(--line-dark);
 padding:24px 18px;display:none;flex-direction:column;gap:24px;overflow-y:auto;
}
.side-brand{display:flex;align-items:center;gap:11px;padding:2px 6px}
.side-brand .side-sub{font-size:11.5px;color:rgba(201,209,220,.55);letter-spacing:.06em}
.side-nav{display:flex;flex-direction:column;gap:3px}
.side-link{
 position:relative;display:block;padding:11px 14px 11px 18px;border-radius:var(--r-sm);
 font-size:14.5px;font-weight:600;color:rgba(201,209,220,.82);transition:all .22s ease;
}
.side-link:hover{background:rgba(255,255,255,.05);color:#fff}
.side-link.active{background:rgba(15,181,160,.12);color:#fff}
.side-link.active::before{
 content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--brand-grad);
}
.side-label{font-size:11.5px;letter-spacing:.12em;color:rgba(232,200,122,.75);font-weight:700;padding:0 6px;margin-bottom:8px;display:block}
.anchor-nav{display:flex;flex-direction:column;gap:2px}
.anchor-nav a{font-size:13.5px;color:rgba(201,209,220,.62);padding:7px 14px;border-radius:10px}
.anchor-nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.side-badge{
 display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-md);
 background:rgba(26,33,48,.9);border:1px solid rgba(232,200,122,.32);
}
.side-badge .num{font-size:19px;font-weight:900;font-variant-numeric:tabular-nums;color:#fff;line-height:1.1}
.side-badge .bd-note{font-size:11.5px;color:rgba(201,209,220,.6);line-height:1.45}

/* ---------- 移动顶栏与抽屉 ---------- */
.topbar{
 position:sticky;top:0;z-index:1030;display:flex;align-items:center;gap:14px;
 padding:12px 18px;background:rgba(11,14,20,.94);backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line-dark);
}
.topbar-brand{display:flex;align-items:center;gap:9px;margin-right:auto}
.hamburger{
 width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
 background:transparent;color:#fff;font-size:16px;display:inline-flex;align-items:center;justify-content:center;
}
.topbar-cta{padding:9px 16px;border-radius:999px;background:var(--brand-grad);color:#fff;font-size:13.5px;font-weight:700}
.topbar-cta:hover{color:#fff;filter:brightness(1.08)}
.drawer{background:#0B0E14 !important;border-right:1px solid var(--line-dark);width:290px;color:var(--txt-dark)}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:18px 22px}
.drawer .offcanvas-body{padding:18px 14px 30px;display:flex;flex-direction:column;gap:6px}
.drawer .side-link{padding:15px 16px;font-size:16px;margin-bottom:4px}
.drawer .anchor-nav a{padding:11px 16px}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.75}
.drawer .btn-close:hover{opacity:1}
.main-wrap{margin-left:0;min-height:100vh;display:flex;flex-direction:column}
main{flex:1 0 auto}

/* ---------- 按钮 ---------- */
.btn-grad,.btn-orange,.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;border:none;cursor:pointer;
 transition:all .25s ease;white-space:nowrap;
}
.btn-grad{background:var(--brand-grad);color:#fff;box-shadow:0 12px 28px rgba(108,76,241,.3)}
.btn-grad:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 18px 36px rgba(108,76,241,.42)}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 12px 28px rgba(255,122,61,.28)}
.btn-orange:hover{background:var(--orange-hover);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(15,181,160,.12);border-color:rgba(15,181,160,.6);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.text-link{
 display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-1);
 text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(15,181,160,.45);
}
.text-link::before{content:"";width:0;height:2px;background:var(--orange);transition:width .25s ease;border-radius:2px}
.text-link:hover{color:var(--orange);text-decoration-color:var(--orange)}
.text-link:hover::before{width:12px}
.paper .text-link{color:#0A8F7E}
.paper .text-link:hover{color:var(--orange)}

/* ---------- 分类头部 ---------- */
.cat-head{padding:52px 0 40px;border-bottom:1px solid var(--line-dark);background:
 radial-gradient(900px 380px at 12% -10%,rgba(15,181,160,.18),transparent 68%),
 radial-gradient(700px 340px at 92% 0%,rgba(108,76,241,.16),transparent 70%),var(--bg-0);}
.breadcrumb-x{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(201,209,220,.6);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb-x a{color:rgba(201,209,220,.78)}
.breadcrumb-x a:hover{color:var(--orange)}
.breadcrumb-x .sep{color:rgba(232,200,122,.6)}
.cat-head h1{font-size:clamp(30px,4.4vw,54px);margin-bottom:18px}
.cat-head h1 .grad{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-head p{max-width:720px;font-size:16.5px;color:rgba(201,209,220,.82);margin-bottom:0}
.cat-tools{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.tool-card{
 background:rgba(26,33,48,.86);border:1px solid rgba(232,200,122,.28);border-radius:var(--r-lg);
 padding:20px 22px;width:100%;box-shadow:var(--sh-dark);
}
.tool-card .tool-label{font-size:12.5px;letter-spacing:.1em;color:rgba(232,200,122,.8);font-weight:700;margin-bottom:10px}
.tool-num{font-size:34px;font-weight:900;font-variant-numeric:tabular-nums;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.tool-num small{font-size:13px;font-weight:600;color:rgba(201,209,220,.65);background:none;-webkit-text-fill-color:rgba(201,209,220,.65);margin-left:6px}
.form-select{
 background-color:#141A24;color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:999px;
 padding:11px 40px 11px 18px;font-size:14.5px;font-weight:600;box-shadow:none;
 background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230FB5A0'%3e%3cpath d='M8 11L3 6h10z'/%3e%3c/svg%3e");
}
.form-select:focus{border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(15,181,160,.16)}
.form-select option{background:#141A24;color:#fff}

/* ---------- 数据徽章 ---------- */
.badge-row{display:flex;gap:14px;flex-wrap:wrap}
.badge-row.scroll{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px}
.metric{
 display:inline-flex;align-items:center;gap:12px;padding:13px 18px;border-radius:var(--r-md);
 background:rgba(26,33,48,.9);border:1px solid rgba(232,200,122,.32);flex:0 0 auto;
}
.metric i{font-size:17px;color:var(--gold)}
.metric .m-num{font-size:19px;font-weight:900;color:#fff;font-variant-numeric:tabular-nums;line-height:1.15}
.metric .m-num span{font-size:12px;font-weight:600;color:rgba(201,209,220,.6);margin-left:4px}
.metric .m-note{font-size:11.5px;color:rgba(201,209,220,.58);line-height:1.4}
.paper .metric{background:#fff;border-color:rgba(18,21,28,.12);box-shadow:var(--sh-light)}
.paper .metric i{color:#8A6A17}
.paper .metric .m-num{color:var(--head-light)}
.paper .metric .m-num span{color:rgba(58,66,80,.65)}
.paper .metric .m-note{color:rgba(58,66,80,.68)}

/* ---------- 列表卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.list-card{
 background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;
 display:flex;flex-direction:column;height:100%;box-shadow:var(--sh-dark);transition:all .28s ease;
}
.list-card:hover{transform:translateY(-4px);box-shadow:var(--sh-dark-hover);border-color:rgba(15,181,160,.34)}
.thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--brand-grad)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.list-card:hover .thumb img{transform:scale(1.05)}
.thumb .corner{
 position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;font-size:11.5px;font-weight:700;
 background:rgba(11,14,20,.78);border:1px solid rgba(232,200,122,.42);color:var(--gold);backdrop-filter:blur(6px);
}
.thumb .dur{
 position:absolute;right:14px;bottom:14px;padding:4px 10px;border-radius:8px;font-size:11.5px;font-weight:700;
 background:rgba(11,14,20,.8);color:#fff;font-variant-numeric:tabular-nums;
}
.card-body-x{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body-x h3{font-size:19px;line-height:1.35}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;line-height:1.72;color:rgba(201,209,220,.72);margin:0}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
 font-size:11.5px;padding:4px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.14);
 color:rgba(201,209,220,.72);background:rgba(255,255,255,.03);
}
.card-foot{
 margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
 padding-top:14px;border-top:1px solid var(--line-soft);
}
.mini-stat{font-size:11.5px;color:rgba(201,209,220,.6);font-variant-numeric:tabular-nums}
.mini-stat b{color:#fff;font-size:14px;font-weight:800;margin-right:3px}
.divider-soft{height:1px;background:var(--line-dark);margin:36px 0;border:0}
.list-more{display:flex;justify-content:center;margin-top:38px}

/* ---------- 精选大卡 ---------- */
.feature-stack{display:flex;flex-direction:column;gap:22px}
.feature-card{
 display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:center;
 background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-xl);
 padding:20px;box-shadow:var(--sh-dark);transition:all .28s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-dark-hover);border-color:rgba(108,76,241,.35)}
.feature-card .f-thumb{position:relative;aspect-ratio:16/10;border-radius:var(--r-md);overflow:hidden;background:var(--brand-grad)}
.feature-card .f-thumb img{width:100%;height:100%;object-fit:cover}
.feature-card h3{font-size:22px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:rgba(201,209,220,.72);margin-bottom:14px}
.feature-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(201,209,220,.6)}
.feature-meta b{color:#fff;font-variant-numeric:tabular-nums;font-size:15px;margin-right:4px}

/* ---------- 步骤 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step-card{
 background:#fff;border-radius:var(--r-lg);padding:26px 24px;border:1px solid rgba(18,21,28,.08);
 box-shadow:var(--sh-light);transition:all .28s ease;position:relative;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-light-hover)}
.step-num{
 width:44px;height:44px;border-radius:50%;background:var(--brand-grad);color:#fff;font-weight:900;
 display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;
 font-variant-numeric:tabular-nums;box-shadow:0 10px 22px rgba(108,76,241,.28);
}
.step-card h3{font-size:19px;margin-bottom:8px}
.step-card p{font-size:14px;color:rgba(58,66,80,.78);margin:0}

/* ---------- FAQ 行式折叠 ---------- */
.qa-list{background:#fff;border-radius:var(--r-xl);padding:8px 28px;box-shadow:var(--sh-light);border:1px solid rgba(18,21,28,.07)}
.qa-row{border-bottom:1px solid var(--line-light)}
.qa-row:last-child{border-bottom:0}
.qa-row summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
 padding:20px 2px;font-size:17px;font-weight:800;color:var(--head-light);
}
.qa-row summary::-webkit-details-marker{display:none}
.qa-row summary::after{
 content:"+";font-size:22px;font-weight:700;color:#0A8F7E;line-height:1;transition:transform .25s ease;flex:0 0 auto;
}
.qa-row[open] summary::after{transform:rotate(45deg)}
.qa-row .qa-body{padding:0 2px 22px;font-size:15px;line-height:1.85;color:rgba(58,66,80,.82);max-width:900px}

/* ---------- 延伸阅读 ---------- */
.read-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.read-card{
 background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;
 display:flex;flex-direction:column;transition:all .28s ease;box-shadow:var(--sh-dark);
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--sh-dark-hover);border-color:rgba(15,181,160,.32)}
.read-card .r-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--brand-grad)}
.read-card .r-thumb img{width:100%;height:100%;object-fit:cover}
.read-card .r-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.date-chip{
 align-self:flex-start;font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:8px;
 background:rgba(232,200,122,.12);border:1px solid rgba(232,200,122,.34);color:var(--gold);
 font-variant-numeric:tabular-nums;
}
.read-card h3{font-size:16.5px;line-height:1.45}
.read-card p{font-size:13.5px;color:rgba(201,209,220,.7);margin:0}

/* ---------- 订阅 ---------- */
.subscribe-band{
 background:linear-gradient(102deg,rgba(15,181,160,.12) 0%,rgba(108,76,241,.12) 100%),var(--bg-1);
 border:1px solid var(--line-dark);border-radius:var(--r-xl);padding:38px;box-shadow:var(--sh-dark);
}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.field{
 flex:1 1 260px;min-width:0;background:#0B0E14;border:1px solid rgba(255,255,255,.16);border-radius:999px;
 padding:13px 22px;color:#fff;font-size:15px;transition:all .22s ease;
}
.field::placeholder{color:rgba(201,209,220,.45)}
.field:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(15,181,160,.16)}
.form-note{font-size:12.5px;color:rgba(201,209,220,.6);margin:14px 0 0}

/* ---------- 页脚 ---------- */
.site-footer{background:#080B11;border-top:1px solid var(--line-dark);padding:64px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.site-footer p{font-size:14px;color:rgba(201,209,220,.66);line-height:1.85}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:800}
.footer-col a{display:block;font-size:14px;color:rgba(201,209,220,.7);padding:5px 0}
.footer-col a:hover{color:var(--orange)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
}
.footer-bottom p{font-size:13px;margin:0;color:rgba(201,209,220,.6)}
.footer-bottom .dot{color:rgba(232,200,122,.6)}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
 position:fixed;right:24px;bottom:24px;z-index:1050;display:flex;align-items:center;gap:14px;
 padding:12px 16px 12px 20px;border-radius:999px;
 background:rgba(20,26,36,.95);border:1px solid rgba(232,200,122,.3);
 box-shadow:0 18px 44px rgba(6,10,18,.6);backdrop-filter:blur(10px);
 opacity:0;transform:translateY(16px);pointer-events:none;transition:all .35s ease;
}
.sticky-cta.show{opacity:1;transform:none;pointer-events:auto}
.sticky-cta .sc-text{font-size:13.5px;font-weight:700;color:#fff;white-space:nowrap}
.sticky-close{
 width:26px;height:26px;border-radius:50%;border:1px solid rgba(255,255,255,.2);background:transparent;
 color:rgba(201,209,220,.7);font-size:12px;line-height:1;display:inline-flex;align-items:center;justify-content:center;
}
.sticky-close:hover{color:#fff;border-color:rgba(255,255,255,.45)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
 .read-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
 .card-grid{grid-template-columns:repeat(2,1fr)}
 .step-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
 .feature-card{grid-template-columns:230px 1fr}
}
@media (max-width:767.98px){
 :root{--pad-sec:56px}
 .cat-head{padding:38px 0 30px}
 .card-grid{grid-template-columns:1fr}
 .read-grid{grid-template-columns:1fr}
 .feature-card{grid-template-columns:1fr}
 .feature-card .f-thumb{aspect-ratio:16/9}
 .footer-grid{grid-template-columns:1fr;gap:30px}
 .qa-list{padding:6px 18px}
 .qa-row summary{font-size:16px;padding:17px 2px}
 .subscribe-band{padding:26px 20px}
 .sticky-cta{
  left:0;right:0;bottom:0;border-radius:20px 20px 0 0;padding:12px 16px;
  justify-content:space-between;gap:10px;
 }
 .sticky-cta .sc-text{font-size:12.5px;white-space:normal}
 .site-footer{padding-bottom:96px}
 .badge-row.scroll{flex-wrap:nowrap}
}
@media (max-width:575.98px){
 .wrap{padding:0 18px}
 .btn-grad,.btn-orange,.btn-ghost{padding:12px 20px;font-size:14px}
 .metric{padding:11px 14px}
}
@media (min-width:992px){
 .app-side{display:flex}
 .main-wrap{margin-left:260px}
 .topbar{display:none}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}