/* roulang page: index */
:root{
  --ink-900:#0E0C1C;
  --ink-700:#1B1833;
  --flame-500:#FF6A2B;
  --flame-600:#E4551B;
  --star-400:#57D9C8;
  --paper-100:#F6F3EE;
  --paper-0:#FFFDFA;
  --line-200:#E4DED5;
  --text-900:#1A1826;
  --text-600:#55516B;
  --ok:#2F9E6B;
  --warn:#D98324;
  --err:#C7403A;
  --r-card:18px;
  --r-media:14px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(16,12,32,.06),0 8px 24px -12px rgba(16,12,32,.18);
  --shadow-2:0 18px 40px -20px rgba(16,12,32,.32);
  --container:1240px;
}
*,*::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,"Helvetica Neue",sans-serif;
  background:var(--paper-100);
  color:var(--text-900);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
::selection{background:rgba(255,106,43,.2)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 48px}}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{position:sticky;top:16px;z-index:50;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  height:56px;padding:0 14px;
  border:1px solid var(--line-200);border-radius:999px;
  background:rgba(255,253,250,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:var(--shadow-1);
  transition:height .24s ease-out,border-color .24s ease-out;
}
@media(min-width:768px){.dock{height:64px;padding:0 22px;gap:20px}.dock.is-scrolled{height:56px;border-color:#D8D0C6}}
.brand{display:flex;align-items:center;gap:9px;flex-shrink:0;font-weight:700;font-size:13.5px;letter-spacing:-.01em;white-space:nowrap}
@media(min-width:768px){.brand{font-size:15.5px;gap:10px}}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;border-radius:999px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--flame-500),var(--flame-600));
  box-shadow:0 6px 14px -8px rgba(255,106,43,.9);
}
.brand-mark svg{width:17px;height:17px;display:block}
.dock-links{display:none}
@media(min-width:1024px){
  .dock-links{display:flex;align-items:center;gap:2px;margin:0 auto}
}
.dock-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 13px;
  border-radius:999px;font-size:14.5px;color:var(--text-600);
  transition:color .2s ease-out,background-color .2s ease-out;
}
.dock-links a:hover{color:var(--flame-500);background:rgba(255,106,43,.07)}
.dock-links a.active{color:var(--flame-500);font-weight:600}
.dock-links a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:5px;height:5px;border-radius:999px;background:var(--star-400);
}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
@media(min-width:1024px){.dock-actions{margin-left:0}}
.dock-cta{display:none}
@media(min-width:640px){.dock-cta{display:inline-flex}}
.dock-burger{
  width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;gap:0;
  border:1px solid var(--line-200);border-radius:999px;background:transparent;cursor:pointer;
  transition:border-color .2s ease-out,background-color .2s ease-out;
}
.dock-burger:hover{border-color:var(--flame-500);background:rgba(255,106,43,.06)}
.dock-burger span{display:block;width:16px;height:1.6px;background:var(--text-900);border-radius:2px}
.dock-burger span+span{margin-top:4px}
@media(min-width:1024px){.dock-burger{display:none}}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--paper-100);
  display:flex;flex-direction:column;padding:20px 20px 28px;
  transform:translateY(-102%);visibility:hidden;
  transition:transform .28s ease-out,visibility .28s ease-out;
}
.drawer.open{transform:translateY(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line-200)}
.drawer-close{width:44px;height:44px;border:1px solid var(--line-200);border-radius:999px;background:transparent;font-size:20px;line-height:1;cursor:pointer;color:var(--text-600)}
.drawer-nav{margin-top:8px;display:flex;flex-direction:column}
.drawer-nav a{display:flex;align-items:center;min-height:52px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line-200);color:var(--text-900)}
.drawer-nav a.active{color:var(--flame-500)}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
  transition:background-color .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.btn:focus-visible{outline:2px solid var(--star-400);outline-offset:2px}
.btn-primary{background:var(--flame-500);color:#fff}
.btn-primary:hover{background:var(--flame-600);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{border-color:var(--line-200);color:var(--text-900);background:transparent}
.btn-ghost:hover{border-color:var(--flame-500);color:var(--flame-500)}
.btn-ghost:active{background:rgba(255,106,43,.06)}
.btn-on-dark{background:#fff;color:var(--ink-900)}
.btn-on-dark:hover{background:#F0EBE3;transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-ghost-dark{border-color:rgba(255,255,255,.38);color:#fff;background:transparent}
.btn-ghost-dark:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-more{font-size:14.5px;color:var(--flame-600);border-bottom:1px solid transparent;transition:color .2s ease-out,border-color .2s ease-out}
.link-more:hover{color:var(--flame-500);border-color:var(--flame-500)}
.text-link{color:var(--flame-600);border-bottom:1px solid rgba(228,85,27,.35);transition:color .2s ease-out,border-color .2s ease-out}
.text-link:hover{color:var(--flame-500);border-color:var(--flame-500)}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;background:var(--ink-900);padding:56px 0 96px;}
@media(min-width:768px){.hero{padding:80px 0 118px}}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.26;
}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,12,28,.72) 0%,rgba(14,12,28,.82) 62%,rgba(14,12,28,.9) 100%)}
.hero-stars{
  position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 8% 18%,rgba(255,255,255,.85),transparent),
    radial-gradient(1.2px 1.2px at 17% 62%,rgba(255,255,255,.6),transparent),
    radial-gradient(1.6px 1.6px at 26% 30%,rgba(87,217,200,.8),transparent),
    radial-gradient(1.1px 1.1px at 34% 78%,rgba(255,255,255,.55),transparent),
    radial-gradient(1.8px 1.8px at 43% 12%,rgba(255,255,255,.8),transparent),
    radial-gradient(1.2px 1.2px at 51% 54%,rgba(87,217,200,.65),transparent),
    radial-gradient(1.4px 1.4px at 59% 26%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.1px 1.1px at 66% 70%,rgba(255,255,255,.5),transparent),
    radial-gradient(1.7px 1.7px at 73% 40%,rgba(255,255,255,.75),transparent),
    radial-gradient(1.2px 1.2px at 81% 84%,rgba(87,217,200,.6),transparent),
    radial-gradient(1.5px 1.5px at 88% 22%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.1px 1.1px at 94% 58%,rgba(255,255,255,.55),transparent),
    radial-gradient(1.3px 1.3px at 12% 88%,rgba(255,255,255,.5),transparent),
    radial-gradient(1.2px 1.2px at 63% 92%,rgba(255,255,255,.45),transparent);
}
.hero-curve{
  position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
  width:132%;height:58px;background:var(--paper-100);
  border-radius:50% 50% 0 0 / 100% 100% 0 0;
}
.hero-inner{position:relative;z-index:2;display:grid;gap:36px}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.12fr .88fr;align-items:center;gap:56px}}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(87,217,200,.42);
  font-size:13px;color:var(--star-400);
  background:rgba(87,217,200,.07);
}
.hero-badge i{width:6px;height:6px;border-radius:999px;background:var(--star-400);display:inline-block}
h1.hero-title{
  margin-top:20px;
  color:#fff;
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.01em;
  max-width:16em;
}
.hero-sub{margin-top:18px;color:rgba(255,255,255,.78);font-size:16.5px;line-height:1.75;max-width:32em}
.hero-btns{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px}
.hero-meta{
  margin-top:26px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.6);
}
.hero-media{
  border-radius:var(--r-media);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  aspect-ratio:4/3;background:#241F3C;
  box-shadow:var(--shadow-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover}

/* ============ 通用区块 ============ */
.section{position:relative;padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1280px){.section{padding:96px 0}}
.section-alt{background:var(--paper-0);border-top:1px solid var(--line-200);border-bottom:1px solid var(--line-200)}
.section-dark{background:var(--ink-900);color:rgba(255,255,255,.82)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
@media(min-width:768px){.section-head{margin-bottom:44px}}
.section-title{font-size:clamp(24px,2.6vw,30px);font-weight:700;line-height:1.35;letter-spacing:-.01em}
.section-lead{margin-top:12px;font-size:16px;line-height:1.8;color:var(--text-600);max-width:44em}
.section-dark .section-lead{color:rgba(255,255,255,.66)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--flame-600);text-transform:uppercase;
}
.section-dark .eyebrow{color:var(--star-400)}
.eyebrow::before{content:"";width:18px;height:2px;background:currentColor;border-radius:2px}

/* ============ 痛点问答区 ============ */
.pain-grid{display:grid;gap:28px}
@media(min-width:1024px){.pain-grid{grid-template-columns:1.25fr .75fr;gap:48px;align-items:start}}
.pain-list{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.pain-item{
  position:relative;padding-left:24px;
  font-size:16.5px;line-height:1.7;color:var(--text-900);
}
@media(min-width:768px){.pain-item{font-size:17px}}
.pain-item::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:4px;background:var(--flame-500);
}
.pain-side{
  border:1px solid var(--line-200);border-radius:var(--r-card);
  background:var(--paper-0);padding:24px;
  box-shadow:var(--shadow-1);
}
.pain-side h3{font-size:17px;font-weight:600;margin-bottom:10px}
.pain-side p{font-size:14.5px;line-height:1.8;color:var(--text-600)}
.pain-side ul{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.pain-side li{position:relative;padding-left:16px;font-size:14px;color:var(--text-600);line-height:1.7}
.pain-side li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:999px;background:var(--star-400)}

/* ============ 方案卡片区（错位网格） ============ */
.sol-grid{display:grid;gap:20px}
@media(min-width:768px){.sol-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){
  .sol-grid{grid-template-columns:1.55fr 1fr 1fr;grid-auto-rows:minmax(176px,auto)}
  .sol-main{grid-row:span 2}
}
@media(max-width:767px){.sol-main{grid-column:auto}}
@media(min-width:768px) and (max-width:1023px){.sol-main{grid-column:1/-1}}
.sol-card{
  background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-card);
  padding:20px;display:flex;flex-direction:column;gap:10px;
  transition:box-shadow .24s ease-out,transform .24s ease-out,border-color .24s ease-out;
}
.sol-card:hover{box-shadow:var(--shadow-1);transform:translateY(-2px);border-color:#D9D1C6}
.sol-card h3{font-size:18px;font-weight:600;line-height:1.45}
.sol-card p{font-size:15px;line-height:1.75;color:var(--text-600)}
.sol-icon{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(87,217,200,.14);color:#1E8C7E;flex:0 0 38px;
}
.sol-icon svg{width:19px;height:19px}
.sol-main{padding:0;gap:0;overflow:hidden}
.sol-main .sol-media{aspect-ratio:16/10;overflow:hidden;background:var(--paper-100)}
.sol-main .sol-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.sol-main:hover .sol-media img{transform:scale(1.03)}
.sol-main .sol-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px}
@media(min-width:1024px){.sol-main .sol-body{padding:24px 26px 26px}}
.sol-main h3{font-size:20px}
.sol-arrow{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;
  font-size:14.5px;font-weight:600;color:var(--flame-600);
  transition:gap .2s ease-out,color .2s ease-out;
}
.sol-card:hover .sol-arrow{gap:10px;color:var(--flame-500)}

/* ============ 数据带 ============ */
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 24px}
@media(min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:32px}}
.stat{display:flex;flex-direction:column;gap:6px}
.stat-num{
  font-size:clamp(32px,3.6vw,40px);font-weight:800;line-height:1.1;
  color:var(--star-400);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;letter-spacing:0}
.stat-label{font-size:14.5px;color:rgba(255,255,255,.86);font-weight:600}
.stat-note{font-size:13px;line-height:1.65;color:rgba(255,255,255,.5)}
.stats-foot{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5)}

/* ============ 最新信息（CMS 列表） ============ */
.news-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.news-grid{grid-template-columns:1fr 1fr}}
.news-feature{
  grid-column:1/-1;
  display:grid;grid-template-columns:1fr;
  background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-card);
  overflow:hidden;
  transition:box-shadow .24s ease-out,transform .24s ease-out,border-color .24s ease-out;
}
@media(min-width:768px){.news-feature{grid-template-columns:40% 1fr}}
.news-feature:hover,.news-card:hover{box-shadow:var(--shadow-1);transform:translateY(-2px);border-color:#D9D1C6}
.nf-media{position:relative;background:var(--paper-100);overflow:hidden;aspect-ratio:16/9}
@media(min-width:768px){.nf-media{aspect-ratio:auto;min-height:250px}}
.nf-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.news-feature:hover .nf-media img{transform:scale(1.03)}
.nf-body{padding:22px;display:flex;flex-direction:column;gap:12px}
@media(min-width:1024px){.nf-body{padding:28px 32px}}
.nf-body h3{font-size:20px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nf-body h3 a:hover{color:var(--flame-500)}
.nf-body p{font-size:15px;line-height:1.75;color:var(--text-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card{
  background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .24s ease-out,transform .24s ease-out,border-color .24s ease-out;
}
.nc-media{aspect-ratio:16/9;background:var(--paper-100);overflow:hidden}
.nc-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.news-card:hover .nc-media img{transform:scale(1.03)}
.nc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.nc-body h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nc-body h3 a:hover{color:var(--flame-500)}
.nc-body p{font-size:15px;line-height:1.75;color:var(--text-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--text-600)}
.meta-row .dot{width:5px;height:5px;border-radius:999px;background:var(--star-400);display:inline-block}
.tag{
  display:inline-flex;align-items:center;
  padding:2px 10px;border-radius:999px;
  font-size:12.5px;line-height:1.7;
  border:1px solid rgba(87,217,200,.6);
  color:#1E8C7E;background:transparent;white-space:nowrap;
}
.card-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.read-link{font-size:14px;font-weight:600;color:var(--flame-600);display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease-out,color .2s ease-out}
.news-card:hover .read-link,.news-feature:hover .read-link{gap:10px;color:var(--flame-500)}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;
  padding:56px 20px;border:1px dashed var(--line-200);border-radius:var(--r-card);background:var(--paper-0);
}
.empty-icon{width:56px;height:56px;border-radius:999px;background:var(--paper-100);border:1px solid var(--line-200);display:grid;place-items:center;color:var(--text-600)}
.empty-state p{font-size:15px;color:var(--text-600)}

/* ============ CTA 窄条与表单 ============ */
.cta-strip{
  background:var(--ink-700);border-radius:var(--r-card);padding:24px;
  display:flex;flex-direction:column;gap:16px;align-items:flex-start;
  border:1px solid rgba(255,255,255,.08);
}
@media(min-width:768px){.cta-strip{flex-direction:row;align-items:center;justify-content:space-between;padding:26px 32px}}
.cta-strip p{color:#fff;font-size:16.5px;font-weight:600;line-height:1.6;max-width:34em}
.cta-strip span{display:block;margin-top:6px;font-size:13.5px;font-weight:400;color:rgba(255,255,255,.6)}
.apply-dialog{
  border:none;padding:0;background:var(--paper-0);
  border-radius:20px;max-width:560px;width:calc(100% - 32px);
  box-shadow:var(--shadow-2);color:var(--text-900);
}
.apply-dialog::backdrop{background:rgba(14,12,28,.6)}
.dlg-inner{padding:26px 24px 24px}
.dlg-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}
.dlg-head h2{font-size:20px;font-weight:700;line-height:1.4}
.dlg-close{
  width:38px;height:38px;flex:0 0 38px;border-radius:999px;border:1px solid var(--line-200);
  background:transparent;cursor:pointer;font-size:18px;line-height:1;color:var(--text-600);
  transition:border-color .2s ease-out,color .2s ease-out;
}
.dlg-close:hover{border-color:var(--flame-500);color:var(--flame-500)}
@media(max-width:640px){
  .apply-dialog{width:100%;max-width:100%;margin:auto 0 0 0;border-radius:20px 20px 0 0}
}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:14px;font-weight:600;color:var(--text-900)}
.req{color:var(--flame-500);margin-left:2px}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{
  width:100%;min-height:46px;padding:10px 14px;
  border:1px solid var(--line-200);border-radius:var(--r-input);
  background:#fff;font-size:15px;line-height:1.6;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{min-height:88px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--flame-500);box-shadow:0 0 0 2px var(--star-400);
}
.pill-options{display:flex;flex-wrap:wrap;gap:8px}
.pill-options label{
  position:relative;
  display:inline-flex;align-items:center;
  padding:9px 15px;border:1px solid var(--line-200);border-radius:999px;
  font-size:14px;font-weight:400;cursor:pointer;
  transition:border-color .2s ease-out,color .2s ease-out,background-color .2s ease-out;
}
.pill-options label:hover{border-color:var(--flame-500);color:var(--flame-500)}
.pill-options input{position:absolute;opacity:0;width:0;height:0}
.pill-options label:has(input:checked){border-color:var(--flame-500);color:var(--flame-600);background:rgba(255,106,43,.07);font-weight:600}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:18px}
.checkbox-row input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--flame-500)}
.checkbox-row label{font-size:14px;line-height:1.7;color:var(--text-600)}
.dlg-actions{display:flex;gap:12px}
@media(max-width:520px){.dlg-actions{flex-direction:column-reverse}}
.form-tip{margin-top:14px;font-size:13px;line-height:1.7;color:var(--text-600)}
.form-msg{margin-top:14px;font-size:14px;color:var(--ok);display:none}
.form-msg.show{display:block}

/* ============ 隐私说明 ============ */
.privacy-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;max-width:60em}
.privacy-list li{position:relative;padding-left:18px;font-size:13.5px;line-height:1.7;color:var(--text-600)}
.privacy-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:999px;background:var(--star-400)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:56px 0 0}
@media(min-width:768px){.site-footer{padding:72px 0 0}}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.6);max-width:26em}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out,transform .2s ease-out;display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.6)}
.footer-bottom{
  margin-top:44px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-direction:column;gap:10px;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --ink-900:#0E0C1C;
  --ink-700:#1B1833;
  --flame-500:#FF6A2B;
  --flame-600:#E4551B;
  --star-400:#57D9C8;
  --paper-100:#F6F3EE;
  --paper-0:#FFFDFA;
  --paper-2:#EDE8E0;
  --line-200:#E4DED5;
  --text-900:#1A1826;
  --text-600:#55516B;
  --ok:#2F9E6B;
  --warn:#D98324;
  --err:#C7403A;
  --shadow-1:0 1px 2px rgba(16,12,32,.06),0 8px 24px -12px rgba(16,12,32,.18);
  --shadow-2:0 18px 40px -20px rgba(16,12,32,.32);
  --r-card:18px;
  --r-media:14px;
  --r-input:12px;
}

*,*::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,"Helvetica Neue",sans-serif;
  background:var(--paper-100);
  color:var(--text-900);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;}
p{margin:0;}
figure{margin:0;}
hr{border:0;height:1px;background:var(--line-200);margin:0;}
:focus-visible{outline:2px solid var(--star-400);outline-offset:2px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{padding:0 48px;}}

/* ---------- 导航 Dock ---------- */
.dock-wrap{position:sticky;top:16px;z-index:60;padding:0 16px;}
.dock{
  position:relative;max-width:1240px;margin:0 auto;display:flex;align-items:center;gap:18px;
  height:64px;padding:0 12px 0 16px;border-radius:999px;
  background:rgba(255,253,250,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line-200);box-shadow:var(--shadow-1);
  transition:height .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.dock.is-scrolled{height:56px;border-color:#D3CBC0;box-shadow:var(--shadow-2);}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;letter-spacing:-.01em;white-space:nowrap;}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;border-radius:999px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--flame-500),#FF8B4E);
  box-shadow:0 6px 14px -8px rgba(255,106,43,.9);
}
.brand-mark svg{width:18px;height:18px;}
.dock-links{display:none;align-items:center;gap:2px;margin-left:8px;flex:1 1 auto;min-width:0;}
@media(min-width:1024px){.dock-links{display:flex;}}
.dock-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:999px;
  font-size:14.5px;color:var(--text-600);white-space:nowrap;
  transition:color .2s ease-out,background-color .2s ease-out;
}
.dock-links a:hover{color:var(--flame-500);background:rgba(255,106,43,.06);}
.dock-links a.active{color:var(--flame-500);font-weight:600;}
.dock-links a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:6px;height:6px;border-radius:999px;background:var(--star-400);
}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.dock-burger{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line-200);background:var(--paper-0);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.dock-burger:hover{border-color:var(--flame-500);}
.dock-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-900);}
@media(min-width:1024px){.dock-burger{display:none;}}
@media(max-width:767px){.dock-cta{display:none;}}
@media(max-width:420px){.brand{font-size:15px;}.brand-mark{width:26px;height:26px;flex:0 0 26px;}}

/* ---------- 抽屉菜单 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper-100);
  display:flex;flex-direction:column;padding:20px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;border-bottom:1px solid var(--line-200);}
.drawer-close{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line-200);background:var(--paper-0);
  display:grid;place-items:center;font-size:18px;line-height:1;
}
.drawer-close:hover{border-color:var(--flame-500);color:var(--flame-500);}
.drawer-links{flex:1 1 auto;overflow-y:auto;margin-top:8px;}
.drawer-links a{display:flex;align-items:center;height:52px;font-size:16px;border-bottom:1px solid var(--line-200);color:var(--text-900);}
.drawer-links a.active{color:var(--flame-500);font-weight:600;}
.drawer-foot{padding-top:14px;border-top:1px solid var(--line-200);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;
  font-size:14.5px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
.btn-primary{background:var(--flame-500);color:#fff;}
.btn-primary:hover{background:var(--flame-600);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{border:1px solid var(--line-200);color:var(--text-900);background:var(--paper-0);}
.btn-outline:hover{border-color:var(--flame-500);color:var(--flame-500);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink-900);}
.btn-light:hover{background:#F1ECE4;transform:translateY(-1px);}
.btn-ghost-light{border:1px solid rgba(255,255,255,.34);color:#fff;background:transparent;}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px);}

/* ---------- 标签 / 胶囊 ---------- */
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 10px;border-radius:999px;
  font-size:12.5px;line-height:1;letter-spacing:.01em;
  border:1px solid var(--star-400);color:#1F7E72;background:transparent;white-space:nowrap;
}
.tag-line{border-color:var(--line-200);color:var(--text-600);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;line-height:1.6;color:var(--text-600);margin-bottom:24px;
}
.breadcrumb a{color:var(--text-600);transition:color .2s ease-out;}
.breadcrumb a:hover{color:var(--flame-500);}
.breadcrumb .sep{color:#B9B2A8;}
.breadcrumb .current{color:var(--text-900);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{background:var(--paper-0);padding:24px 0 32px;border-bottom:1px solid var(--line-200);}
.article-title{
  font-size:clamp(26px,3.2vw,40px);font-weight:800;letter-spacing:-.01em;line-height:1.35;
  max-width:900px;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:18px;font-size:13.5px;color:var(--text-600);}
.article-meta .dot{width:5px;height:5px;border-radius:999px;background:var(--star-400);display:inline-block;}

/* ---------- 文章主体布局 ---------- */
.article-main{background:var(--paper-100);padding:40px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;}
@media(min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,740px) 300px;gap:48px;justify-content:center;}
}
.article-col{width:100%;max-width:760px;min-width:0;}

.article-cover{margin-bottom:32px;}
.article-cover .frame{
  position:relative;aspect-ratio:16/9;border-radius:var(--r-media);overflow:hidden;
  border:1px solid var(--line-200);background:var(--paper-2);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover figcaption{margin-top:10px;font-size:13px;color:var(--text-600);text-align:center;}

/* ---------- 正文阅读区 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--text-900);max-width:740px;}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  font-size:clamp(21px,2vw,26px);font-weight:700;line-height:1.45;
  margin:48px 0 16px;padding-left:14px;border-left:3px solid var(--flame-500);
}
.article-body h3{font-size:clamp(17.5px,1.6vw,20px);font-weight:600;line-height:1.5;margin:32px 0 12px;}
.article-body h4{font-size:16px;font-weight:600;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;line-height:1.85;margin-bottom:8px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--star-400);
}
.article-body ol{counter-reset:oli;}
.article-body ol li{counter-increment:oli;}
.article-body ol li::before{
  content:counter(oli);position:absolute;left:0;top:0;color:var(--flame-500);font-weight:700;font-size:14px;line-height:1.9;
}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;background:var(--paper-100);border-left:4px solid var(--flame-500);
  font-size:16px;color:var(--text-600);border-radius:0 10px 10px 0;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--flame-600);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.article-body a:hover{color:var(--flame-500);}
.article-body strong{font-weight:700;}
.article-body img{border-radius:12px;margin:24px 0;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figure img{margin:0;}
.article-body figcaption{margin-top:8px;font-size:13px;color:var(--text-600);text-align:center;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line-200);border-radius:10px;overflow:hidden;
}
.article-body thead th{
  background:var(--paper-100);font-weight:600;text-align:left;padding:12px;
  border-bottom:1px solid var(--line-200);
}
.article-body tbody td{padding:12px;border-bottom:1px solid var(--line-200);vertical-align:top;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
  background:var(--paper-2);border:1px solid var(--line-200);border-radius:6px;padding:1px 6px;
}
.article-body hr{margin:32px 0;}

/* ---------- 标签行 / 相关推荐 ---------- */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;}
.article-divider{height:1px;background:var(--line-200);margin:32px 0;}

.related-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px;}
.related-title h2{font-size:19px;font-weight:700;}
.related-title a{font-size:13.5px;color:var(--flame-600);}
.related-title a:hover{color:var(--flame-500);}
.related-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;}
@media(min-width:640px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.related-card{
  display:flex;flex-direction:row;align-items:center;gap:14px;
  background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-card);
  padding:12px;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
@media(min-width:640px){.related-card{flex-direction:column;align-items:stretch;padding:0;overflow:hidden;}}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:#D8D1C6;}
.related-thumb{
  position:relative;flex:0 0 96px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;
  background:var(--paper-2);border:1px solid var(--line-200);
}
@media(min-width:640px){.related-thumb{flex:none;border:0;border-bottom:1px solid var(--line-200);border-radius:0;}}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out;}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-card .rc-body{min-width:0;}
@media(min-width:640px){.related-card .rc-body{padding:16px;}}
.related-card h3{
  font-size:16px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card .rc-meta{margin-top:8px;font-size:13px;color:var(--text-600);display:flex;align-items:center;gap:6px;}
.related-card .rc-meta .dot{width:5px;height:5px;border-radius:999px;background:var(--star-400);display:inline-block;}

.back-row{display:flex;align-items:center;gap:12px;margin-top:36px;flex-wrap:wrap;}

/* ---------- 侧栏 ---------- */
.article-side{display:none;}
@media(min-width:1280px){.article-side{display:block;}}
.side-card{
  background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-card);
  padding:20px;margin-bottom:20px;position:sticky;top:96px;
}
.side-card h2{font-size:15px;font-weight:700;margin-bottom:14px;}
.side-toc li{margin-bottom:10px;}
.side-toc li a{
  display:block;font-size:14px;color:var(--text-600);line-height:1.6;padding-left:12px;border-left:2px solid transparent;
  transition:color .2s ease-out,border-color .2s ease-out;
}
.side-toc li a:hover{color:var(--flame-500);border-left-color:var(--flame-500);}
.side-links li+li{margin-top:10px;}
.side-links li a{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14px;color:var(--text-600);}
.side-links li a:hover{color:var(--flame-500);}
.side-links li a span{color:#C4BDB2;}

/* ---------- 正文内可折叠目录 ---------- */
.toc-inline{
  background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-card);
  padding:14px 18px;margin-bottom:28px;
}
@media(min-width:1280px){.toc-inline{display:none;}}
.toc-inline summary{
  list-style:none;cursor:pointer;font-size:14.5px;font-weight:600;display:flex;align-items:center;justify-content:space-between;
}
.toc-inline summary::-webkit-details-marker{display:none;}
.toc-inline summary::after{content:"＋";color:var(--flame-500);font-size:16px;transition:transform .2s ease-out;}
.toc-inline[open] summary::after{transform:rotate(45deg);}
.toc-inline ol{margin-top:12px;padding-top:12px;border-top:1px solid var(--line-200);}
.toc-inline ol li{margin-bottom:8px;}
.toc-inline ol li a{font-size:14px;color:var(--text-600);}
.toc-inline ol li a:hover{color:var(--flame-500);}

/* ---------- 空态 ---------- */
.article-empty{background:var(--paper-100);padding:72px 0 96px;}
.empty-box{
  max-width:520px;margin:0 auto;text-align:center;background:var(--paper-0);
  border:1px solid var(--line-200);border-radius:var(--r-card);padding:44px 28px;box-shadow:var(--shadow-1);
}
.empty-icon{
  width:64px;height:64px;border-radius:999px;margin:0 auto 18px;display:grid;place-items:center;
  background:var(--paper-100);border:1px solid var(--line-200);
}
.empty-icon svg{width:28px;height:28px;}
.empty-box h1{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-box p{font-size:15px;color:var(--text-600);line-height:1.75;margin-bottom:22px;}

/* ---------- 底部 CTA ---------- */
.cta-strip{background:var(--ink-700);border-top:1px solid rgba(255,255,255,.08);padding:48px 0;}
.cta-inner{display:flex;flex-direction:column;gap:22px;}
@media(min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}}
.cta-title{font-size:clamp(19px,2vw,22px);font-weight:700;color:#fff;line-height:1.4;}
.cta-text{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.7);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;}
.footer-desc{margin-top:14px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.7;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{display:inline-block;font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out,transform .2s ease-out;}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.7;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}
@media(max-width:767px){
  .cta-actions .btn{width:100%;}
  .back-row .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0E0C1C;
  --ink-700:#1B1833;
  --flame-500:#FF6A2B;
  --flame-600:#E4551B;
  --star-400:#57D9C8;
  --paper-100:#F6F3EE;
  --paper-0:#FFFDFA;
  --line-200:#E4DED5;
  --text-900:#1A1826;
  --text-600:#55516B;
  --ok:#2F9E6B;
  --warn:#D98324;
  --err:#C7403A;
  --shadow-1:0 1px 2px rgba(16,12,32,.06),0 8px 24px -12px rgba(16,12,32,.18);
  --shadow-2:0 18px 40px -20px rgba(16,12,32,.32);
  --r-card:18px;
  --r-media:14px;
  --r-input:12px;
  --r-pill:999px;
}
*,*::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,"Helvetica Neue",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--paper-100);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 48px}}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.btn:focus-visible{outline:2px solid var(--star-400);outline-offset:2px}
.btn-primary{background:var(--flame-500);color:#fff}
.btn-primary:hover{background:var(--flame-600);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:var(--paper-0);border-color:var(--line-200);color:var(--text-900)}
.btn-ghost:hover{border-color:var(--flame-500);color:var(--flame-600)}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.38);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:80;padding:0 20px;margin-top:4px}
.dock{
  max-width:1240px;margin:0 auto;height:64px;padding:0 10px 0 18px;
  display:flex;align-items:center;gap:14px;
  border-radius:var(--r-pill);
  background:rgba(255,253,250,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line-200);
  box-shadow:var(--shadow-1);
  transition:height .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.dock.is-compact{height:56px;border-color:#CFC7BB;box-shadow:0 1px 2px rgba(16,12,32,.08),0 10px 28px -16px rgba(16,12,32,.3)}
.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;white-space:nowrap}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--flame-500) 0%,#FF9A5A 100%);
  box-shadow:0 8px 18px -10px rgba(255,106,43,.95);
}
.brand-mark svg{width:18px;height:18px}
.dock-links{display:none;align-items:center;gap:2px;margin-left:auto}
.dock-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 13px;
  border-radius:var(--r-pill);font-size:14.5px;color:var(--text-600);
  transition:color .2s ease-out,background .2s ease-out;
}
.dock-links a:hover{color:var(--flame-500);background:rgba(255,106,43,.08)}
.dock-links a.active{color:var(--flame-500);font-weight:700}
.dock-links a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--star-400);
}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.dock-burger{
  width:44px;height:44px;border-radius:var(--r-pill);display:grid;place-content:center;gap:5px;
  border:1px solid var(--line-200);background:var(--paper-0);
}
.dock-burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text-900)}
.dock-burger:focus-visible{outline:2px solid var(--star-400);outline-offset:2px}
@media (min-width:1024px){
  .dock-links{display:flex}
  .dock-actions{margin-left:0}
  .dock-burger{display:none}
}
@media (max-width:1023px){
  .dock-cta{display:none}
}
@media (max-width:480px){
  .brand span:last-child{font-size:14.5px}
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:95;background:var(--paper-100);
  display:flex;flex-direction:column;padding:20px;
}
.drawer[hidden]{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line-200);background:var(--paper-0);font-size:18px;line-height:1}
.drawer-links{border-top:1px solid var(--line-200)}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;border-bottom:1px solid var(--line-200);font-size:16px;
}
.drawer-links a.active{color:var(--flame-500);font-weight:700}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-600);padding:24px 0 16px}
.crumb a:hover{color:var(--flame-600)}
.crumb .cur{color:var(--text-900);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;border-radius:24px;background:var(--ink-900);
  min-height:280px;display:flex;align-items:center;
  border:1px solid rgba(255,255,255,.08);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center 35%;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(14,12,28,.9) 0%,rgba(14,12,28,.76) 52%,rgba(14,12,28,.5) 100%);
}
.cat-hero .corner{
  position:absolute;top:0;right:0;width:210px;height:210px;z-index:1;
  background:linear-gradient(225deg,rgba(255,106,43,.55),rgba(255,106,43,0) 64%);
  clip-path:polygon(100% 0,0 0,100% 100%);
}
.cat-hero-inner{position:relative;z-index:2;width:100%;padding:44px 28px;max-width:760px}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,46px);font-weight:800;color:#fff;letter-spacing:-.015em;
  margin:14px 0 12px;
}
.cat-hero .lede{color:rgba(255,255,255,.82);font-size:16.5px;line-height:1.75;margin:0 0 24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;line-height:1.6;border:1px solid var(--line-200);color:var(--text-600);background:transparent;
}
.pill-star{border-color:rgba(87,217,200,.6);color:#128F80}
.pill-light{border-color:rgba(255,255,255,.32);color:rgba(255,255,255,.9)}
@media (min-width:768px){
  .cat-hero{min-height:320px}
  .cat-hero-inner{padding:56px 48px}
}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:80px 0}}
@media (min-width:1280px){.section{padding:96px 0}}
.section-light{background:var(--paper-0);border-top:1px solid var(--line-200);border-bottom:1px solid var(--line-200)}
.section-dark{background:var(--ink-900);color:rgba(255,255,255,.78)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,30px);font-weight:700;margin-bottom:14px}
.section-head p{color:var(--text-600);font-size:16px;margin:0}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:rgba(255,255,255,.72)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.12em;color:var(--flame-600);text-transform:uppercase;margin-bottom:12px;
}
.section-dark .eyebrow{color:var(--star-400)}
.eyebrow::before{content:"";width:18px;height:2px;background:currentColor;border-radius:2px}

/* ---------- 简介正文 ---------- */
.prose{max-width:740px}
.prose p{font-size:17px;line-height:1.85;color:var(--text-900);margin-bottom:1.15em}
.prose p.sub{color:var(--text-600);font-size:16px}
.key{color:var(--flame-500);font-weight:600}

/* ---------- 卡片与网格 ---------- */
.grid-3{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}

.card{
  background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-card);
  overflow:hidden;transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:#D6CFC4}
.card-body{padding:20px}
.card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.card p{font-size:15px;line-height:1.75;color:var(--text-600);margin:0}
.media{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-100);
  border-bottom:1px solid var(--line-200);
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.card:hover .media img{transform:scale(1.03)}
.card-index{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  color:var(--flame-600);letter-spacing:.06em;margin-bottom:8px;
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line-200);max-width:860px}
.faq-item{border-bottom:1px solid var(--line-200);transition:background .2s ease-out}
.faq-item.open{background:var(--paper-100)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 16px;font-size:17px;font-weight:600;color:var(--text-900);
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--flame-600)}
.faq-q:focus-visible{outline:2px solid var(--star-400);outline-offset:-2px}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--flame-500);border-radius:2px;
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px;transition:transform .2s ease-out,opacity .2s ease-out}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 16px 20px;font-size:15.5px;line-height:1.8;color:var(--text-600);margin:0}

/* ---------- 关联分类 ---------- */
.link-pills{display:flex;flex-wrap:wrap;gap:12px}
.link-pill{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;
  border-radius:var(--r-pill);border:1px solid var(--line-200);background:var(--paper-0);
  font-size:15px;font-weight:600;transition:border-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.link-pill:hover{border-color:var(--flame-500);color:var(--flame-600);transform:translateY(-1px)}
.link-pill:focus-visible{outline:2px solid var(--star-400);outline-offset:2px}
.link-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--star-400)}

/* ---------- 空槽位 ---------- */
.slot-card{
  border:1px dashed #D9D2C7;background:var(--paper-100);border-radius:var(--r-card);
  padding:20px;display:flex;flex-direction:column;gap:14px;min-height:210px;
}
.slot-thumb{
  aspect-ratio:16/9;border-radius:var(--r-media);background:var(--paper-0);
  border:1px solid var(--line-200);display:grid;place-items:center;color:var(--text-600);font-size:13.5px;
}
.slot-card h3{font-size:16px;font-weight:600}
.slot-card p{font-size:14.5px;color:var(--text-600);line-height:1.75;margin:0}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-700);border-radius:24px;padding:38px 28px;
  display:flex;flex-direction:column;gap:20px;align-items:flex-start;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);color:#fff;font-weight:700}
.cta-band p{color:rgba(255,255,255,.74);font-size:15.5px;margin:0}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 48px;gap:32px}
  .cta-band .cta-text{max-width:620px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:56px 0 24px;margin-top:72px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:12px}
.footer-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:10px}
.footer-desc{margin:0;font-size:14px;line-height:1.75;color:rgba(255,255,255,.66)}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .2s ease-out,transform .2s ease-out}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.6);margin:0}
.footer-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.58);
}

/* roulang page: category2 */
:root{
  --ink-900:#0E0C1C;
  --ink-700:#1B1833;
  --flame-500:#FF6A2B;
  --flame-600:#E4551B;
  --star-400:#57D9C8;
  --paper-100:#F6F3EE;
  --paper-0:#FFFDFA;
  --paper-2:#EFEAE2;
  --line-200:#E4DED5;
  --text-900:#1A1826;
  --text-600:#55516B;
  --ok:#2F9E6B;
  --warn:#D98324;
  --err:#C7403A;
  --r-card:18px;
  --r-media:14px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,12,32,.06),0 8px 24px -12px rgba(16,12,32,.18);
  --shadow-2:0 18px 40px -20px rgba(16,12,32,.32);
}
*,*::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,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--paper-100);
}
@media (min-width:768px){body{font-size:17px}}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--star-400);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 48px}}

/* ---------- 导航 Dock ---------- */
.dock-wrap{position:sticky;top:16px;z-index:50;padding:16px 12px 0}
.dock{
  max-width:1240px;margin:0 auto;height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 10px 0 14px;border-radius:var(--r-pill);
  background:rgba(255,253,250,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line-200);
  box-shadow:var(--shadow-1);
  transition:height .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.dock.shrink{height:56px;border-color:#CFC7BA;box-shadow:var(--shadow-2)}
@media (min-width:768px){
  .dock{height:64px}
  .dock.shrink{height:56px}
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:var(--text-900);white-space:nowrap}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:var(--r-pill);
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--flame-500),var(--flame-600));
  box-shadow:0 6px 16px -8px rgba(255,106,43,.8);
}
.brand-mark svg{width:20px;height:20px}
.dock-links{display:none;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
@media (min-width:1024px){.dock-links{display:flex}}
.dock-links a{
  position:relative;display:block;padding:9px 13px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--text-600);transition:color .2s ease-out,background .2s ease-out;
}
.dock-links a:hover{color:var(--flame-500);background:rgba(255,106,43,.06)}
.dock-links a.active{color:var(--flame-500);font-weight:600}
.dock-links a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:6px;height:3px;border-radius:var(--r-pill);background:var(--star-400);
}
.dock-actions{display:flex;align-items:center;gap:8px}
.dock-cta{display:none}
@media (min-width:640px){.dock-cta{display:inline-flex}}
.dock-burger{
  width:44px;height:44px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border-radius:var(--r-pill);border:1px solid var(--line-200);background:var(--paper-0);cursor:pointer;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.dock-burger:hover{border-color:var(--flame-500)}
.dock-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-900)}
@media (min-width:1024px){.dock-burger{display:none}}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:60;background:var(--paper-100);
  display:flex;flex-direction:column;padding:20px;
  transform:translateY(-102%);transition:transform .28s ease-out;
}
.drawer.open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line-200);
  background:var(--paper-0);cursor:pointer;font-size:18px;line-height:1;transition:border-color .2s ease-out;
}
.drawer-close:hover{border-color:var(--flame-500)}
.drawer-links li{border-bottom:1px solid var(--line-200)}
.drawer-links a{display:flex;align-items:center;height:48px;font-size:16px;color:var(--text-900)}
.drawer-links a.active{color:var(--flame-500);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--flame-500);color:#fff}
.btn-primary:hover{background:var(--flame-600);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0);background:var(--flame-600)}
.btn-ghost{border-color:var(--line-200);color:var(--text-900);background:transparent}
.btn-ghost:hover{border-color:var(--flame-500);color:var(--flame-500)}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-outline-light{border-color:rgba(255,255,255,.34);color:#fff;background:transparent}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-block{width:100%}

/* ---------- 通用 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:80px 0}}
@media (min-width:1280px){.section{padding:96px 0}}
.section-dark{background:var(--ink-900);color:#fff}
.section-line{border-top:1px solid var(--line-200)}
.section-head{margin-bottom:24px}
.section-title{font-size:clamp(24px,2.6vw,30px);font-weight:700;line-height:1.3}
.section-sub{margin-top:10px;font-size:15px;line-height:1.75;color:var(--text-600)}
.section-dark .section-sub{color:rgba(255,255,255,.7)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;margin-bottom:14px;
  border:1px solid var(--star-400);border-radius:var(--r-pill);
  font-size:12.5px;color:#1F7A6D;letter-spacing:.02em;
}
.section-dark .eyebrow{color:var(--star-400);border-color:rgba(87,217,200,.5)}
.prose{max-width:740px}
.prose p{font-size:17px;line-height:1.9;margin-bottom:1.15em}
.prose p:last-child{margin-bottom:0}
.accent{color:var(--flame-500);border-bottom:2px dashed rgba(255,106,43,.5)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:24px 0 0;font-size:13.5px;color:var(--text-600)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb li::after{content:"/";margin-left:6px;color:var(--line-200)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a:hover{color:var(--flame-500)}
.breadcrumb .current{color:var(--text-900)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;border-radius:24px;background:var(--ink-900);
  margin-top:16px;
  box-shadow:var(--shadow-2);
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 32%;
  opacity:.62;
}
.cat-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,12,28,.94) 0%,rgba(14,12,28,.8) 46%,rgba(14,12,28,.52) 100%);
}
.cat-hero-grid{
  position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:56px 56px;
}
.cat-hero-dot{
  position:absolute;left:38px;bottom:32px;width:8px;height:8px;border-radius:50%;
  background:var(--star-400);box-shadow:0 0 0 6px rgba(87,217,200,.16);
}
.cat-hero-inner{
  position:relative;z-index:2;
  min-height:280px;padding:44px 22px;
  display:flex;flex-direction:column;justify-content:center;gap:14px;color:#fff;
}
@media (min-width:768px){.cat-hero-inner{padding:52px 44px;min-height:300px}}
.hero-title{font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.01em;max-width:820px}
.hero-lead{font-size:16px;line-height:1.7;color:rgba(255,255,255,.82);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.hero-meta{font-size:13.5px;color:rgba(255,255,255,.62)}
.hero-meta span+span::before{content:"·";margin:0 8px;color:rgba(87,217,200,.8)}

/* ---------- 信息条 ---------- */
.fact-bar{
  display:grid;gap:14px;margin-top:28px;padding:20px;
  background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-media);
}
@media (min-width:768px){.fact-bar{grid-template-columns:repeat(3,1fr);gap:24px;padding:24px}}
.fact-bar dt{font-size:13.5px;color:var(--text-600);margin-bottom:4px}
.fact-bar dd{margin:0;font-size:15px;font-weight:600}

/* ---------- 网格与卡片 ---------- */
.grid{display:grid;gap:16px}
@media (min-width:768px){.grid{gap:24px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{
  background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:#D8D0C4}
.card-media{
  aspect-ratio:16/9;background:var(--paper-2);border-bottom:1px solid var(--line-200);overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5}
.card-body p{font-size:15px;line-height:1.75;color:var(--text-600)}
.card-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--flame-600);display:inline-flex;align-items:center;gap:6px}
.card-link:hover{color:var(--flame-500)}
.card-link::after{content:"→";transition:transform .22s ease-out}
.card-link:hover::after{transform:translateX(3px)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border:1px solid var(--star-400);border-radius:var(--r-pill);
  font-size:12.5px;color:#1F7A6D;background:transparent;white-space:nowrap;
}
.tag-muted{border-color:var(--line-200);color:var(--text-600)}

/* ---------- 流程与数据（深色） ---------- */
.flow{display:grid;gap:16px;margin-top:28px}
@media (min-width:768px){.flow{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (min-width:1024px){.flow{grid-template-columns:repeat(4,1fr)}}
.flow-step{
  border:1px solid rgba(255,255,255,.1);border-radius:var(--r-card);padding:22px;
  background:rgba(255,255,255,.03);
  transition:border-color .22s ease-out,transform .22s ease-out;
}
.flow-step:hover{border-color:rgba(87,217,200,.5);transform:translateY(-2px)}
.flow-num{
  width:34px;height:34px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid rgba(87,217,200,.55);color:var(--star-400);font-size:14px;font-weight:700;margin-bottom:14px;
}
.flow-step h3{font-size:16px;font-weight:600;margin-bottom:8px}
.flow-step p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.68)}
.stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px;
  padding-top:32px;border-top:1px solid rgba(255,255,255,.1);
}
@media (min-width:768px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat-num{
  font-size:clamp(30px,3.4vw,40px);font-weight:800;color:var(--star-400);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.72)}
.stat-label{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.6}

/* ---------- FAQ ---------- */
.faq{max-width:860px;border-top:1px solid var(--line-200)}
.faq-item{border-bottom:1px solid var(--line-200)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 6px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;line-height:1.6;
  transition:background .2s ease-out,padding .2s ease-out;
}
.faq-q:hover{background:var(--paper-100)}
.faq-item.open .faq-q{background:var(--paper-100)}
.faq-icon{position:relative;width:20px;height:20px;flex:none;transition:transform .2s ease-out}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--flame-500);border-radius:2px;
  top:50%;left:50%;transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a-inner{padding:0 6px 22px;font-size:15px;line-height:1.8;color:var(--text-600)}

/* ---------- 相关内容位 ---------- */
.slot{
  background:var(--paper-0);border:1px dashed var(--line-200);border-radius:var(--r-card);
  padding:20px;display:flex;flex-direction:column;gap:10px;
}
.slot .ph{height:12px;border-radius:6px;background:var(--paper-2)}
.slot .ph.w70{width:70%}
.slot .ph.w45{width:45%}
.slot-note{font-size:13.5px;color:var(--text-600);line-height:1.7;margin-top:4px}

/* ---------- CTA 窄条 ---------- */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:var(--ink-700);color:#fff;border-radius:20px;padding:22px 24px;
}
.cta-bar p{font-size:16px;font-weight:600}
.cta-bar .hint{font-size:13.5px;font-weight:400;color:rgba(255,255,255,.68);margin-top:4px;display:block}

/* ---------- 关联分类胶囊 ---------- */
.pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.pill{
  display:inline-flex;align-items:center;height:44px;padding:0 22px;
  border:1px solid var(--line-200);border-radius:var(--r-pill);
  font-size:15px;color:var(--text-900);background:var(--paper-0);
  transition:border-color .22s ease-out,color .22s ease-out,transform .22s ease-out;
}
.pill:hover{border-color:var(--flame-500);color:var(--flame-500);transform:translateY(-1px)}

/* ---------- 隐私说明 ---------- */
.privacy-list li{
  position:relative;padding-left:18px;font-size:13.5px;line-height:1.75;color:var(--text-600);margin-bottom:10px;
}
.privacy-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--star-400);
}

/* ---------- 弹层 ---------- */
dialog.help-dialog{
  border:0;padding:0;border-radius:20px;background:var(--paper-0);width:min(560px,calc(100% - 32px));
  box-shadow:var(--shadow-2);color:var(--text-900);
}
dialog.help-dialog::backdrop{background:rgba(14,12,28,.6)}
.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line-200)}
.dialog-head h2{font-size:18px;font-weight:700}
.dialog-close{width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line-200);background:var(--paper-0);cursor:pointer;transition:border-color .2s ease-out}
.dialog-close:hover{border-color:var(--flame-500)}
.dialog-body{padding:22px;display:flex;flex-direction:column;gap:16px}
.form-row{display:flex;flex-direction:column;gap:8px}
.form-row label{font-size:14px;font-weight:600}
.form-row label .req{color:var(--flame-500);margin-left:2px}
.form-row input,.form-row select,.form-row textarea{
  min-height:46px;padding:10px 12px;border-radius:var(--r-input);
  border:1px solid var(--line-200);background:var(--paper-0);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.form-row textarea{min-height:88px;resize:vertical;line-height:1.7}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--flame-500);box-shadow:0 0 0 2px var(--star-400);
}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-600);line-height:1.7}
.check-row input{width:18px;height:18px;min-height:18px;margin-top:3px;accent-color:var(--flame-500)}
.dialog-actions{display:flex;gap:12px;margin-top:4px}
.form-note{font-size:13px;color:var(--text-600)}
.form-ok{font-size:14px;color:var(--ok);display:none}
.form-ok.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#fff;margin-top:24px;padding:56px 0 28px}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:12px}
.footer-desc{font-size:14px;line-height:1.75;color:rgba(255,255,255,.72)}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col li{margin-bottom:10px}
.footer-col a{display:inline-block;font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out,transform .2s ease-out}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col p{margin-top:14px;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.6)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13.5px;color:rgba(255,255,255,.6);
}
@media (max-width:519px){
  .hero-actions .btn{width:100%}
  .cta-bar{padding:20px}
}

/* roulang page: category4 */
:root{
  --ink-900:#0E0C1C;
  --ink-700:#1B1833;
  --flame-500:#FF6A2B;
  --flame-600:#E4551B;
  --star-400:#57D9C8;
  --paper-100:#F6F3EE;
  --paper-0:#FFFDFA;
  --paper-2:#F1ECE4;
  --line-200:#E4DED5;
  --text-900:#1A1826;
  --text-600:#55516B;
  --ok:#2F9E6B;
  --warn:#D98324;
  --err:#C7403A;
  --shadow-1:0 1px 2px rgba(16,12,32,.06),0 8px 24px -12px rgba(16,12,32,.18);
  --shadow-2:0 18px 40px -20px rgba(16,12,32,.32);
  --radius-card:18px;
  --radius-media:14px;
  --radius-input:12px;
}
*,*::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,"Helvetica Neue",sans-serif;
  background:var(--paper-100);
  color:var(--text-900);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 48px}}

/* ---------- 导航 Dock ---------- */
.dock-wrap{
  position:sticky;
  top:12px;
  z-index:80;
  padding:12px 16px 0;
  margin-bottom:-68px;
}
@media(min-width:768px){
  .dock-wrap{padding:12px 24px 0;margin-bottom:-76px}
}
.dock{
  max-width:1240px;
  margin:0 auto;
  height:56px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 12px 0 14px;
  border-radius:999px;
  background:rgba(255,253,250,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line-200);
  box-shadow:var(--shadow-1);
  transition:height .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
@media(min-width:768px){
  .dock{height:64px;padding:0 16px 0 20px;gap:22px}
}
.dock.is-scrolled{height:56px;border-color:#CFC7BA;box-shadow:var(--shadow-2)}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:15.5px;
  letter-spacing:-.01em;
  color:var(--text-900);
  white-space:nowrap;
  flex:0 0 auto;
}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--flame-500),#FF8B4D 55%,var(--ink-900));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px}
.dock-links{display:none;align-items:center;gap:20px;flex:1 1 auto;justify-content:center}
@media(min-width:1024px){.dock-links{display:flex}}
.dock-links a{
  position:relative;
  display:inline-block;
  padding:8px 2px;
  font-size:14.5px;
  color:var(--text-600);
  transition:color .2s ease-out;
}
.dock-links a::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:4px;height:4px;border-radius:999px;background:var(--star-400);
  transform:translate(-50%,0) scale(0);
  transition:transform .2s ease-out;
}
.dock-links a:hover{color:var(--flame-500)}
.dock-links a.active{color:var(--flame-500);font-weight:600}
.dock-links a.active::after{transform:translate(-50%,0) scale(1)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.dock-burger{
  width:44px;height:44px;border-radius:999px;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  border:1px solid var(--line-200);
  cursor:pointer;
  transition:border-color .2s ease-out;
}
.dock-burger span{display:block;width:16px;height:1.6px;background:var(--text-900);border-radius:2px;transition:transform .2s,opacity .2s}
.dock-burger:hover{border-color:var(--flame-500)}
@media(min-width:1024px){.dock-burger{display:none}}

.drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--paper-100);
  display:flex;flex-direction:column;
  padding:24px 20px 28px;
  transform:translateY(-12px);
  opacity:0;visibility:hidden;
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-close{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line-200);
  font-size:20px;line-height:1;cursor:pointer;
}
.drawer ul{flex:1 1 auto}
.drawer li a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 6px;
  font-size:16px;color:var(--text-900);
  border-bottom:1px solid var(--line-200);
}
.drawer li a.active{color:var(--flame-500);font-weight:600}
.drawer-cta{margin-top:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--flame-500);color:#fff}
.btn-primary:hover{background:var(--flame-600);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{border:1px solid var(--line-200);color:var(--text-900);background:var(--paper-0)}
.btn-outline:hover{border-color:var(--flame-500);color:var(--flame-600)}
.btn-ghost-dark{border:1px solid rgba(255,255,255,.32);color:#fff;background:transparent}
.btn-ghost-dark:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{background:#F0EBE3;transform:translateY(-1px)}
.btn:focus-visible,.dock a:focus-visible,.dock-burger:focus-visible,.faq-q:focus-visible,.drawer a:focus-visible,.drawer-close:focus-visible{
  outline:2px solid var(--star-400);outline-offset:2px;border-radius:999px;
}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  min-height:300px;
  display:flex;
  align-items:flex-end;
  padding:132px 0 52px;
  background-color:var(--ink-900);
  background-image:
    linear-gradient(180deg,rgba(14,12,28,.88) 0%,rgba(14,12,28,.76) 55%,rgba(14,12,28,.9) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover,cover;
  background-position:center,right 30%;
  color:#fff;
  border-bottom:1px solid var(--line-200);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  border-top:1px solid rgba(255,255,255,.06);
}
.cat-hero-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(circle at 82% 12%,#000 0%,rgba(0,0,0,.55) 42%,transparent 76%);
  mask-image:radial-gradient(circle at 82% 12%,#000 0%,rgba(0,0,0,.55) 42%,transparent 76%);
}
.cat-hero-star{
  position:absolute;right:12%;bottom:18%;width:9px;height:9px;border-radius:999px;
  background:var(--star-400);
  box-shadow:0 0 0 10px rgba(87,217,200,.12),0 0 28px 6px rgba(87,217,200,.35);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.crumb{font-size:13.5px;color:rgba(255,255,255,.6);margin:0 0 14px}
.crumb a{color:rgba(255,255,255,.6)}
.crumb a:hover{color:#fff}
.cat-hero h1{
  font-size:clamp(30px,5vw,52px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.015em;
  max-width:16em;
}
.cat-hero-sub{
  margin:14px 0 0;
  font-size:clamp(15px,1.6vw,17px);
  color:rgba(255,255,255,.8);
  line-height:1.7;
  max-width:720px;
}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cat-hero-meta{
  margin:18px 0 0;
  font-size:13.5px;
  color:rgba(255,255,255,.62);
  letter-spacing:.01em;
}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1280px){.section{padding:96px 0}}
.section-alt{background:var(--paper-0);border-top:1px solid var(--line-200);border-bottom:1px solid var(--line-200)}
.section-ink{background:var(--ink-900);color:#fff}
.section-ink .lead,.section-ink p{color:rgba(255,255,255,.78)}
.section-head{margin-bottom:32px}
@media(min-width:768px){.section-head{margin-bottom:44px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--flame-600);
  text-transform:none;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--flame-500)}
.section-ink .eyebrow{color:var(--star-400)}
.section-ink .eyebrow::before{background:var(--star-400)}
h2{font-size:clamp(24px,3vw,30px);font-weight:700;letter-spacing:-.012em}
h3{font-size:clamp(18px,2vw,20px);font-weight:600}
.lead{max-width:740px;color:var(--text-600);font-size:16.5px;line-height:1.85}

/* ---------- 简介 ---------- */
.intro-grid{display:grid;gap:24px}
@media(min-width:1024px){
  .intro-grid{grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
}
.prose{max-width:740px;font-size:16.5px;line-height:1.85;color:var(--text-600)}
.prose strong{color:var(--text-900);font-weight:600}
.keyword{color:var(--flame-500);border-bottom:2px dashed rgba(255,106,43,.45)}
.note-box{
  background:var(--paper-0);
  border:1px solid var(--line-200);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-1);
}
.note-box h4{font-size:16px;font-weight:600;margin-bottom:10px}
.note-box ul li{
  position:relative;
  padding-left:16px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-600);
  margin-bottom:8px;
}
.note-box ul li:last-child{margin-bottom:0}
.note-box ul li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:999px;background:var(--star-400);
}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;gap:20px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.p-card{
  display:flex;flex-direction:column;
  background:var(--paper-0);
  border:1px solid var(--line-200);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.p-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:#D6CEC2}
.p-card-media{
  aspect-ratio:16/9;
  width:100%;
  background:var(--paper-2);
  border-bottom:1px solid var(--line-200);
  overflow:hidden;
}
.p-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.p-card:hover .p-card-media img{transform:scale(1.03)}
.p-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.p-card-body h3{font-size:17.5px;font-weight:600;line-height:1.45}
.p-card-body p{font-size:15px;line-height:1.75;color:var(--text-600);margin:0}
.chip{
  display:inline-flex;align-items:center;
  align-self:flex-start;
  padding:3px 10px;
  font-size:12.5px;
  line-height:1.6;
  border-radius:999px;
  border:1px solid var(--star-400);
  color:#1C7C70;
  background:transparent;
  white-space:nowrap;
}
.chip-line{border-color:var(--line-200);color:var(--text-600)}

/* ---------- 处理路径 ---------- */
.path-grid{display:grid;gap:24px}
@media(min-width:768px){.path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.path-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.path-step{
  position:relative;
  padding-top:22px;
  border-top:2px solid var(--line-200);
}
.path-step:hover{border-top-color:var(--flame-500)}
.path-step .num{
  display:block;
  font-size:28px;
  font-weight:800;
  color:var(--star-400);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1;
  margin-bottom:10px;
}
.path-step h3{font-size:17px;margin-bottom:8px}
.path-step p{font-size:15px;line-height:1.75;color:var(--text-600);margin:0}

/* ---------- 数据带 ---------- */
.stat-band{display:grid;gap:26px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media(min-width:1024px){.stat-band{grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}}
.stat .value{
  font-size:clamp(32px,4vw,40px);
  font-weight:800;
  color:var(--star-400);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1.05;
}
.stat .value small{font-size:15px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.72)}
.stat .label{margin-top:10px;font-size:13.5px;line-height:1.6;color:rgba(255,255,255,.68)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line-200);max-width:840px}
.faq-item{border-bottom:1px solid var(--line-200)}
.faq-q{
  width:100%;
  min-height:44px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 8px;
  font-size:17px;font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.faq-q:hover{color:var(--flame-600)}
.faq-item.is-open .faq-q{background:var(--paper-100)}
.faq-plus{
  position:relative;
  width:20px;height:20px;flex:0 0 auto;
  transition:transform .2s ease-out;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--flame-500);border-radius:2px;
}
.faq-plus::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-plus::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease-out;
}
.faq-a p{
  padding:0 8px 22px;
  margin:0;
  font-size:15.5px;
  line-height:1.8;
  color:var(--text-600);
}

/* ---------- 关联分类 ---------- */
.rel-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:999px;
  border:1px solid var(--line-200);
  background:var(--paper-0);
  font-size:15px;font-weight:600;
  color:var(--text-900);
  transition:border-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.pill-link:hover{border-color:var(--flame-500);color:var(--flame-600);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.pill-link::after{content:"→";font-size:14px;color:var(--flame-500)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-900);
  border-radius:20px;
  padding:36px 24px;
  display:grid;
  gap:22px;
  border:1px solid rgba(255,255,255,.08);
}
@media(min-width:768px){
  .cta-band{padding:44px 48px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:40px}
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px)}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.8;margin:12px 0 0;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 32px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin:0;max-width:280px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out,transform .2s ease-out;display:inline-block}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px)}
.footer-col p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.56)}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.56);
}

@media (prefers-reduced-motion: reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
    --ink-900:#0E0C1C;
    --ink-700:#1B1833;
    --flame-500:#FF6A2B;
    --flame-600:#E4551B;
    --star-400:#57D9C8;
    --paper-100:#F6F3EE;
    --paper-0:#FFFDFA;
    --paper-2:#ECE7DE;
    --line-200:#E4DED5;
    --text-900:#1A1826;
    --text-600:#55516B;
    --ok:#2F9E6B;
    --warn:#D98324;
    --err:#C7403A;
    --shadow-1:0 1px 2px rgba(16,12,32,.06),0 8px 24px -12px rgba(16,12,32,.18);
    --shadow-2:0 18px 40px -20px rgba(16,12,32,.32);
    --r-card:18px;
    --r-media:14px;
    --r-input:12px;
    --r-pill:999px;
  }
  *,*::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,"Helvetica Neue",sans-serif;
    background:var(--paper-100);
    color:var(--text-900);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;color:var(--text-900);}
  p{margin:0 0 1.1em;}
  :focus-visible{outline:2px solid var(--star-400);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media(min-width:768px){.container{padding-left:32px;padding-right:32px;}}
  @media(min-width:1280px){.container{padding-left:48px;padding-right:48px;}}

  .section{padding:56px 0;}
  @media(min-width:768px){.section{padding:80px 0;}}
  @media(min-width:1280px){.section{padding:96px 0;}}
  .section-alt{background:var(--paper-0);border-top:1px solid var(--line-200);border-bottom:1px solid var(--line-200);}
  .section-dark{background:var(--ink-700);color:#fff;}
  .section-dark h2,.section-dark h3{color:#fff;}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;font-weight:600;color:var(--flame-500);
    letter-spacing:.06em;padding:6px 14px;border:1px solid var(--line-200);
    border-radius:var(--r-pill);background:var(--paper-0);
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--star-400);}
  .section-dark .eyebrow{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#fff;}

  .h1{font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.22;}
  .h2{font-size:clamp(24px,2.6vw,30px);font-weight:700;line-height:1.3;}
  .h3{font-size:clamp(18px,1.8vw,20px);font-weight:600;line-height:1.45;}
  .lead{font-size:clamp(16px,1.6vw,17px);color:var(--text-600);line-height:1.8;}
  .section-dark .lead{color:rgba(255,255,255,.76);}
  .meta{font-size:13.5px;color:var(--text-600);line-height:1.6;}
  .section-dark .meta{color:rgba(255,255,255,.66);}
  .prose-narrow{max-width:740px;}
  .prose-narrow p{line-height:1.85;color:var(--text-600);}
  .prose-narrow strong{color:var(--text-900);font-weight:600;}
  .kw{color:var(--flame-500);font-weight:600;}

  /* 导航 Dock */
  .dock-wrap{position:sticky;top:16px;z-index:60;padding:0 16px;}
  .dock{
    max-width:1240px;margin:0 auto;display:flex;align-items:center;gap:20px;
    height:64px;padding:0 10px 0 18px;border-radius:var(--r-pill);
    background:rgba(255,253,250,.88);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border:1px solid var(--line-200);box-shadow:var(--shadow-1);
    transition:height .24s ease-out,border-color .24s ease-out;
  }
  .dock.scrolled{height:56px;border-color:#CEC6B8;}
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;white-space:nowrap;color:var(--text-900);}
  .brand-mark{
    width:32px;height:32px;flex:0 0 32px;border-radius:var(--r-pill);
    display:grid;place-items:center;
    background:linear-gradient(140deg,var(--flame-500),var(--flame-600));
  }
  .brand-mark svg{width:19px;height:19px;}
  .dock-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
  .dock-links a{
    position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
    font-size:14.5px;color:var(--text-600);border-radius:var(--r-pill);
    transition:color .2s ease-out,background-color .2s ease-out;
  }
  .dock-links a:hover{color:var(--flame-500);background:rgba(255,106,43,.06);}
  .dock-links a.active{color:var(--flame-500);font-weight:600;}
  .dock-links a.active::after{
    content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
    width:6px;height:6px;border-radius:50%;background:var(--star-400);
  }
  .dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;padding-right:4px;}
  .dock-burger{
    display:none;width:44px;height:44px;border:1px solid var(--line-200);border-radius:var(--r-pill);
    background:var(--paper-0);align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
    transition:border-color .2s ease-out;
  }
  .dock-burger:hover{border-color:var(--flame-500);}
  .dock-burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text-900);}
  @media(max-width:1023px){
    .dock-links{display:none;}
    .dock-burger{display:flex;}
    .dock{height:56px;}
  }
  @media(max-width:560px){
    .dock-cta{display:none;}
  }

  .drawer{
    position:fixed;inset:0;z-index:80;background:var(--paper-100);
    display:none;flex-direction:column;padding:20px;
  }
  .drawer.open{display:flex;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
  .drawer-close{
    width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line-200);
    background:var(--paper-0);font-size:20px;line-height:1;cursor:pointer;color:var(--text-900);
  }
  .drawer nav{flex:1;overflow-y:auto;}
  .drawer nav a{
    display:flex;align-items:center;height:48px;font-size:16px;color:var(--text-900);
    border-bottom:1px solid var(--line-200);
  }
  .drawer nav a.active{color:var(--flame-500);font-weight:600;}
  .drawer-foot{padding-top:16px;}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 24px;border-radius:var(--r-pill);border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;
    transition:background-color .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
  }
  .btn-primary{background:var(--flame-500);color:#fff;}
  .btn-primary:hover{background:var(--flame-600);transform:translateY(-1px);box-shadow:var(--shadow-1);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-ghost{background:transparent;border-color:var(--line-200);color:var(--text-900);}
  .btn-ghost:hover{border-color:var(--flame-500);color:var(--flame-500);}
  .btn-light{background:#fff;color:var(--ink-900);}
  .btn-light:hover{background:#F1ECE4;transform:translateY(-1px);}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.34);color:#fff;}
  .btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08);}
  .btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
  .btn-block{width:100%;}

  .tag{
    display:inline-flex;align-items:center;gap:6px;font-size:12.5px;line-height:1;
    padding:6px 10px;border-radius:var(--r-pill);border:1px solid var(--star-400);
    color:var(--text-600);background:transparent;
  }
  .tag-flame{border-color:var(--flame-500);color:var(--flame-500);}

  /* 分类 Hero */
  .cat-hero{
    position:relative;margin:24px auto 0;max-width:1240px;
    border-radius:24px;overflow:hidden;color:#fff;
    min-height:300px;display:flex;align-items:center;
    background-image:linear-gradient(180deg,rgba(14,12,28,.84),rgba(14,12,28,.72)),url('/assets/images/backpic/back-3.webp');
    background-size:cover;background-position:center 30%;
  }
  .cat-hero::after{
    content:"";position:absolute;right:-40px;top:-40px;width:280px;height:280px;
    background-image:linear-gradient(to right,rgba(87,217,200,.22) 1px,transparent 1px),
                     linear-gradient(to bottom,rgba(87,217,200,.22) 1px,transparent 1px);
    background-size:28px 28px;
    transform:rotate(12deg);opacity:.6;pointer-events:none;
  }
  .cat-hero::before{
    content:"";position:absolute;left:34px;top:50%;width:8px;height:8px;border-radius:50%;
    background:var(--star-400);box-shadow:0 0 0 6px rgba(87,217,200,.18);pointer-events:none;
  }
  .cat-hero-inner{position:relative;z-index:2;padding:56px 0 52px;max-width:760px;}
  .cat-hero .h1{color:#fff;}
  .cat-hero .lead{color:rgba(255,255,255,.82);margin-top:14px;max-width:560px;}
  .cat-hero .meta{color:rgba(255,255,255,.62);margin-top:22px;}

  /* 要点网格 */
  .grid-3{display:grid;grid-template-columns:1fr;gap:24px;}
  @media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr);}}
  @media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);}}
  .card{
    background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-card);
    overflow:hidden;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:#D8D0C4;}
  .card-media{aspect-ratio:16/9;background:var(--paper-2);border-bottom:1px solid var(--line-200);overflow:hidden;}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out;}
  .card:hover .card-media img{transform:scale(1.03);}
  .card-body{padding:20px;}
  .card-body h3{margin-bottom:10px;}
  .card-body p{font-size:15px;line-height:1.75;color:var(--text-600);margin:0;}
  .card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}

  /* 关联分类 */
  .pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  .pill{
    display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;
    border:1px solid var(--line-200);border-radius:var(--r-pill);background:var(--paper-0);
    font-size:15px;font-weight:600;color:var(--text-900);
    transition:border-color .22s ease-out,color .22s ease-out,transform .22s ease-out;
  }
  .pill:hover{border-color:var(--flame-500);color:var(--flame-500);transform:translateY(-1px);}
  .pill::after{content:"→";font-weight:400;color:var(--star-400);}

  /* FAQ */
  .faq-list{border-top:1px solid var(--line-200);margin-top:24px;}
  .faq-item{border-bottom:1px solid var(--line-200);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:20px 14px;font-size:17px;font-weight:600;color:var(--text-900);
    cursor:pointer;list-style:none;transition:background-color .2s ease-out;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{background:var(--paper-100);}
  .faq-item[open] summary{background:var(--paper-100);}
  .faq-plus{
    position:relative;flex:0 0 20px;width:20px;height:20px;
    transition:transform .2s ease-out;
  }
  .faq-plus::before,.faq-plus::after{
    content:"";position:absolute;background:var(--flame-500);border-radius:2px;
  }
  .faq-plus::before{left:0;top:9px;width:20px;height:2px;}
  .faq-plus::after{left:9px;top:0;width:2px;height:20px;}
  .faq-item[open] .faq-plus{transform:rotate(45deg);}
  .faq-a{padding:0 14px 22px;}
  .faq-a p{font-size:15.5px;line-height:1.85;color:var(--text-600);margin:0;}

  /* 空态与预留位 */
  .slot-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:28px;}
  @media(min-width:768px){.slot-grid{grid-template-columns:repeat(3,1fr);}}
  .slot{
    border:1px dashed var(--line-200);border-radius:var(--r-card);background:var(--paper-0);
    padding:20px;min-height:180px;display:flex;flex-direction:column;gap:12px;
  }
  .slot-line{height:12px;border-radius:6px;background:var(--paper-2);}
  .slot-line.short{width:56%;}
  .slot-line.mid{width:80%;}
  .empty-state{
    display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;
    padding:32px 20px 8px;
  }
  .empty-icon{
    width:40px;height:40px;border-radius:50%;border:1px solid var(--line-200);
    display:grid;place-items:center;background:var(--paper-100);color:var(--star-400);font-size:18px;
  }

  /* 表单 */
  .field{margin-bottom:18px;}
  .field label{display:block;font-size:14px;font-weight:600;color:var(--text-900);margin-bottom:8px;}
  .field .req{color:var(--flame-500);margin-left:4px;}
  .field input[type="text"],
  .field input[type="tel"],
  .field input[type="email"],
  .field textarea,
  .field select{
    width:100%;height:46px;padding:0 14px;font-size:15px;font-family:inherit;color:var(--text-900);
    background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-input);
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
  .field input:focus,.field textarea:focus,.field select:focus{
    outline:none;border-color:var(--flame-500);box-shadow:0 0 0 2px var(--star-400);
  }
  .field .hint{font-size:13px;color:var(--text-600);margin-top:6px;line-height:1.6;}
  .field .err-msg{font-size:13px;color:var(--err);margin-top:6px;display:none;}
  .field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--err);}
  .field.has-error .err-msg{display:block;}
  .choice-row{display:flex;flex-wrap:wrap;gap:10px;}
  .choice{
    display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
    border:1px solid var(--line-200);border-radius:var(--r-pill);background:var(--paper-0);
    font-size:14px;color:var(--text-600);cursor:pointer;transition:border-color .2s ease-out,color .2s ease-out,background-color .2s ease-out;
  }
  .choice input{accent-color:var(--flame-500);}
  .choice:hover{border-color:var(--flame-500);color:var(--flame-500);}
  .check-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-600);line-height:1.7;}
  .check-row input{margin-top:5px;accent-color:var(--flame-500);}
  .form-card{
    background:var(--paper-0);border:1px solid var(--line-200);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--shadow-1);
  }
  @media(min-width:768px){.form-card{padding:32px;}}
  .form-note{
    margin-top:16px;font-size:14px;color:var(--ok);display:none;
    border:1px solid rgba(47,158,107,.4);background:rgba(47,158,107,.08);
    border-radius:var(--r-input);padding:12px 14px;
  }
  .form-note.show{display:block;}

  /* CTA 窄条 */
  .cta-band{
    background:var(--ink-700);border-radius:var(--r-card);padding:24px;
    display:flex;flex-direction:column;gap:16px;align-items:flex-start;
    border:1px solid rgba(255,255,255,.08);
  }
  @media(min-width:768px){
    .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:28px 32px;}
  }
  .cta-band h2{color:#fff;font-size:clamp(20px,2vw,24px);}
  .cta-band p{color:rgba(255,255,255,.72);margin:6px 0 0;font-size:15px;}

  /* 隐私 */
  .privacy-list{margin-top:16px;}
  .privacy-list li{
    position:relative;padding-left:18px;font-size:13.5px;line-height:1.7;color:var(--text-600);margin-bottom:8px;
  }
  .privacy-list li::before{
    content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--star-400);
  }

  /* 页脚 */
  .site-footer{background:var(--ink-900);color:#fff;padding:56px 0 28px;margin-top:0;}
  @media(min-width:1280px){.site-footer{padding-top:72px;}}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:12px;}
  .footer-desc{font-size:14px;color:rgba(255,255,255,.7);margin:0;line-height:1.7;}
  .footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
  .footer-col ul li{margin-bottom:10px;}
  .footer-col ul li a{
    font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out,transform .2s ease-out;display:inline-block;
  }
  .footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
  .footer-col p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;margin:0;}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(255,255,255,.6);
  }
  @media(min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;}}

  .divider-line{height:1px;background:var(--line-200);border:0;margin:0;}