/* roulang page: index */
/* ============ 设计令牌 ============ */
:root{
  --lava:#F0532B;
  --lava-dark:#C93B16;
  --ink:#14181D;
  --slate:#2C333B;
  --gold:#EDB23F;
  --jade:#1E7A6A;
  --sand:#F6F2EA;
  --white:#FFFFFF;
  --line:#E7E0D5;
  --text:#1A1F24;
  --text-2:#5A636C;
  --text-3:#8C949C;
  --dark-text:#F5F1E9;
  --dark-text-2:rgba(255,255,255,.62);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sh-card:0 1px 2px rgba(20,24,29,.06),0 8px 24px rgba(20,24,29,.06);
  --sh-hover:0 10px 30px rgba(20,24,29,.12);
  --container:1200px;
  --gutter:32px;
  --sec-y:96px;
}
@media (min-width:1240px){:root{--container:1280px;}}

/* ============ 重置与基础排版 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(240,83,43,.45);border-radius:4px;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea,select{font-family:inherit;font-size:15px;}
::selection{background:rgba(240,83,43,.22);}

/* ============ 容器与栅格修正 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.grid-x.row-tight{margin-left:-12px;margin-right:-12px;}
.chan-grid{row-gap:24px;}
.chan-cell{display:flex;}
.chan-cell > .chan-card{width:100%;}

/* ============ 双层导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--sand);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(20,24,29,.08);}
.nav-top{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:68px;
  position:relative;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  position:relative;
  width:38px;height:38px;
  border-radius:11px;
  background:var(--lava);
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(240,83,43,.28);
}
.brand__mark::before{
  content:"";position:absolute;inset:7px;
  border:2px solid var(--gold);border-radius:50%;
}
.brand__mark::after{
  content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:#fff;
}
.brand__text{display:flex;flex-direction:column;line-height:1.12;}
.brand__name{font-size:17px;font-weight:800;color:var(--text);}
.brand__sub{font-size:11px;letter-spacing:.2em;color:var(--text-3);}
.nav-search{position:relative;flex:1 1 auto;max-width:420px;}
.nav-search input{
  width:100%;height:42px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--white);
  padding:0 46px 0 18px;
  color:var(--text);
  font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;border-color:var(--lava);box-shadow:0 0 0 3px rgba(240,83,43,.15);}
.nav-search button{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border:0;border-radius:50%;
  background:var(--sand);color:var(--text-2);
  display:grid;place-items:center;font-size:13px;
  transition:background .2s ease,color .2s ease;
}
.nav-search button:hover{background:var(--lava);color:#fff;}
.search-toggle{
  display:none;
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:var(--white);color:var(--text-2);
  place-items:center;font-size:14px;flex:0 0 auto;
}
.search-toggle:hover{border-color:var(--lava);color:var(--lava);}
.nav-cta{flex:0 0 auto;height:42px;padding:0 20px;font-size:14.5px;}
.nav-chan{border-top:1px solid var(--line);}
.nav-chan__scroll{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;
  padding:9px 0;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-chan__scroll::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:7px;
  height:36px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-2);
  background:transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.pill:hover{background:rgba(240,83,43,.09);color:var(--lava);}
.pill.is-active{background:var(--lava);color:#fff;font-weight:600;}
.pill.is-active:hover{background:var(--lava-dark);color:#fff;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lava);color:#fff;}
.btn-primary:hover{background:var(--lava-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:var(--ink);color:var(--sand);}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:#fff;color:var(--ink);}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(240,83,43,.45);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--dark-text);
  overflow:hidden;
  padding:66px 0 108px;
}
.hero__bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.16;
  pointer-events:none;
}
.hero__lines{
  position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(-18deg,rgba(255,255,255,.06) 0 1px,transparent 1px 24px);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:72px;
  background:var(--sand);
  clip-path:polygon(0 100%,100% 0,100% 100%);
  pointer-events:none;
}
.hero__inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:56px;
  align-items:center;
}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(237,178,63,.14);
  border:1px solid rgba(237,178,63,.42);
  color:var(--gold);
  font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:22px;
}
.hero h1{
  font-size:48px;
  line-height:1.15;
  font-weight:800;
  color:#fff;
  letter-spacing:-.01em;
}
.hero__sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:var(--dark-text-2);
  max-width:560px;
}
.hero__actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.hero__stats{
  display:flex;
  margin-top:46px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
}
.hero__stat{flex:1;padding-right:22px;border-right:1px solid rgba(255,255,255,.12);}
.hero__stat:last-child{border-right:0;padding-right:0;}
.hero__stat b{
  display:block;font-size:23px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.35;
}
.hero__stat span{font-size:13px;color:var(--dark-text-2);}
.hero__media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:0 24px 60px rgba(0,0,0,.4);
}
.hero__media img{width:100%;height:100%;object-fit:cover;}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,24,29,.12),rgba(20,24,29,.46));
}
.hero__media-cap{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:rgba(255,255,255,.82);
}
.hero__media-cap i{color:var(--gold);}

/* ============ 版块与版块头 ============ */
.section{padding:var(--sec-y) 0;}
.section--white{background:var(--white);}
.section--dark{background:var(--ink);color:var(--dark-text);}
.section--dark .sec-head h2{color:var(--dark-text);}
.section--dark .sec-sub{color:var(--dark-text-2);}
.sec-head{max-width:740px;margin-bottom:46px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;letter-spacing:.1em;
  color:var(--lava);margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--lava);}
.sec-head h2{font-size:32px;line-height:1.28;font-weight:700;}
.sec-sub{margin-top:14px;font-size:16.5px;line-height:1.82;color:var(--text-2);}
.sec-head--center{max-width:720px;margin-left:auto;margin-right:auto;text-align:center;}
.sec-head--center .sec-eyebrow{justify-content:center;}

/* ============ 徽章与标签 ============ */
.badge{
  display:inline-block;
  font-size:12px;letter-spacing:.04em;
  padding:5px 12px;border-radius:999px;
  background:var(--sand);color:var(--slate);
  font-weight:600;line-height:1.6;
}
.badge--jade{background:rgba(30,122,106,.1);color:var(--jade);}
.badge--gold{background:rgba(237,178,63,.18);color:#8a6415;}
.badge--lava{background:rgba(240,83,43,.1);color:var(--lava-dark);}

/* ============ 三步上手 ============ */
.section--steps{background:var(--sand);}
.steps{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.steps::before{
  content:"";
  position:absolute;
  top:27px;left:7%;right:7%;
  border-top:2px dashed var(--line);
  z-index:0;
}
.step{position:relative;z-index:1;}
.step__num{
  display:grid;place-items:center;
  width:54px;height:54px;border-radius:50%;
  background:var(--white);
  border:2px solid var(--gold);
  color:var(--lava);
  font-size:18px;font-weight:800;
  font-variant-numeric:tabular-nums;
  box-shadow:0 4px 14px rgba(20,24,29,.08);
}
.step__title{margin-top:24px;font-size:21px;line-height:1.4;}
.step__desc{margin-top:10px;font-size:15.5px;line-height:1.8;color:var(--text-2);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;font-size:14px;font-weight:600;color:var(--lava);
}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover{color:var(--lava-dark);}
.link-arrow:hover span{transform:translateX(4px);}

/* ============ 案例证明 ============ */
.case-main{
  display:grid;
  grid-template-columns:5fr 7fr;
  background:var(--white);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
}
.case-main__media{position:relative;min-height:360px;background:var(--sand);}
.case-main__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.case-main__body{padding:42px 44px;display:flex;flex-direction:column;}
.case-main__body h3{margin-top:16px;font-size:24px;line-height:1.42;}
.case-main__body p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--text-2);}
.case-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.case-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text);}
.case-points i{color:var(--jade);margin-top:7px;font-size:11px;}
.case-bar{
  margin-top:auto;
  background:var(--ink);color:#fff;
  border-radius:10px;
  padding:14px 20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;
}
.case-bar span{color:rgba(255,255,255,.7);font-variant-numeric:tabular-nums;}
.evidence{margin-top:26px;border-top:1px solid var(--line);}
.evidence li{
  display:flex;align-items:center;gap:16px;
  padding:18px 12px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.evidence li:hover{background:var(--white);}
.evidence__idx{
  flex:0 0 auto;
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--sand);border:1px solid var(--line);
  color:var(--lava);font-size:12.5px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.evidence__text{flex:1;font-size:15.5px;line-height:1.7;color:var(--text);}
.evidence__metric{
  flex:0 0 auto;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  padding:5px 13px;border-radius:999px;
  background:rgba(30,122,106,.1);color:var(--jade);
}

/* ============ 频道卡片 ============ */
.chan-card{
  display:flex;flex-direction:column;
  background:var(--white);
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid transparent;
  box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.chan-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(240,83,43,.22);}
.chan-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sand);}
.chan-card__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.chan-card:hover .chan-card__media img{transform:scale(1.05);}
.chan-card__body{padding:24px;display:flex;flex-direction:column;flex:1;}
.chan-card__body h3{margin-top:14px;font-size:20px;line-height:1.4;}
.chan-card__body p{margin-top:10px;font-size:14.8px;line-height:1.78;color:var(--text-2);}
.chan-card__more{
  margin-top:auto;padding-top:18px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--lava);
}
.chan-card__more span{transition:transform .2s ease;}
.chan-card:hover .chan-card__more span{transform:translateX(4px);}

/* ============ 资讯列表（CMS 区域） ============ */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:36px;
}
.news-head .sec-head{margin-bottom:0;}
.news-filter{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.news-filter .pill{height:32px;font-size:13px;padding:0 14px;background:var(--sand);color:var(--text-2);}
.news-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--lava);
}
.news-more span{transition:transform .2s ease;}
.news-more:hover span{transform:translateX(4px);}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;flex-direction:column;
  background:var(--white);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.news-card__media{
  position:relative;display:block;
  aspect-ratio:16/9;overflow:hidden;background:var(--sand);
}
.news-card__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-card:hover .news-card__media img{transform:scale(1.05);}
.news-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-card__title{
  font-size:18px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__title a:hover{color:var(--lava);}
.news-card__excerpt{
  margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{
  margin-top:auto;padding-top:18px;
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.news-card__time{font-variant-numeric:tabular-nums;}
.news-card__more{
  margin-left:auto;display:inline-flex;align-items:center;gap:5px;
  font-size:13.5px;font-weight:600;color:var(--lava);
}
.news-card__more span{transition:transform .2s ease;}
.news-card:hover .news-card__more span{transform:translateX(4px);}
.news-card--feature{grid-column:span 2;flex-direction:row;}
.news-card--feature .news-card__media{flex:0 0 46%;aspect-ratio:auto;min-height:270px;}
.news-card--feature .news-card__title{font-size:21px;}
.news-card--feature .news-card__excerpt{-webkit-line-clamp:3;}
.empty-state{
  grid-column:1 / -1;
  min-height:220px;
  display:grid;place-items:center;text-align:center;
  padding:36px 24px;
  background:var(--white);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
}
.empty-state__title{font-size:16px;font-weight:600;color:var(--text-2);}
.empty-state__hint{margin-top:8px;font-size:14px;color:var(--text-3);}

/* ============ 列表与要点 ============ */
.point-list{display:flex;flex-direction:column;gap:12px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;line-height:1.8;color:var(--text-2);
}
.point-list i{color:var(--lava);margin-top:9px;font-size:10px;}
.section--dark .point-list li{color:var(--dark-text-2);}
.section--dark .point-list i{color:var(--gold);}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:0.85fr 1.15fr;gap:48px;align-items:start;}
.faq-acc{background:transparent;border-top:1px solid var(--line);}
.faq-acc .accordion-item{border-bottom:1px solid var(--line);background:transparent;}
.faq-acc .accordion-title{
  height:56px;display:flex;align-items:center;
  padding:0 44px 0 4px;
  font-size:16.5px;font-weight:600;color:var(--text);
  border:0;transition:color .2s ease;
}
.faq-acc .accordion-title:hover{color:var(--lava);}
.faq-acc .accordion-title::before{
  right:10px;color:var(--lava);font-size:19px;font-weight:400;
  transition:transform .2s ease;
}
.faq-acc .accordion-item.is-active .accordion-title{color:var(--lava-dark);}
.faq-acc .accordion-item.is-active .accordion-title::before{transform:rotate(180deg);}
.faq-acc .accordion-content{
  background:var(--sand);
  padding:16px 20px;
  border:0;
  color:var(--text-2);
  font-size:15.5px;line-height:1.85;
}
.faq-side{
  background:var(--white);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:30px 28px;
}
.faq-side h3{font-size:19px;line-height:1.45;}
.faq-side p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text-2);}
.faq-side .btn{margin-top:22px;width:100%;}

/* ============ CTA 与表单 ============ */
.cta-band{
  position:relative;
  background:var(--ink);
  color:var(--dark-text);
  border-radius:20px;
  padding:56px 56px 52px;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(-18deg,rgba(255,255,255,.05) 0 1px,transparent 1px 26px);
}
.cta-band__inner{position:relative;z-index:2;max-width:660px;}
.cta-band h2{color:#fff;font-size:32px;line-height:1.3;}
.cta-band p{margin-top:16px;font-size:16.5px;line-height:1.85;color:var(--dark-text-2);}
.cta-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.cta-trust{
  display:flex;gap:26px;flex-wrap:wrap;
  margin-top:34px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:var(--dark-text-2);
}
.cta-trust i{color:var(--gold);margin-right:7px;}
.form-card{
  background:var(--white);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:30px 28px;
  margin-top:22px;
}
.form-card label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:8px;}
.form-card input{
  width:100%;height:44px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:var(--sand);
  padding:0 14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-card input::placeholder{color:var(--text-3);}
.form-card input:focus{outline:none;background:var(--white);border-color:var(--lava);box-shadow:0 0 0 3px rgba(240,83,43,.15);}
.form-card .form-row + .form-row{margin-top:16px;}
.form-card .btn{width:100%;margin-top:20px;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--text-3);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--ink);
  color:var(--dark-text);
  padding:66px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:5px;
  background:repeating-linear-gradient(90deg,rgba(245,241,233,.14) 0 1px,transparent 1px 18px);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:46px;
}
.footer-grid h4{
  font-size:14px;font-weight:600;color:#fff;
  letter-spacing:.06em;margin-bottom:16px;
}
.footer-brand .brand__name{color:#fff;}
.footer-brand .brand__sub{color:rgba(255,255,255,.45);}
.footer-brand p{
  margin-top:16px;font-size:14.5px;line-height:1.85;
  color:var(--dark-text-2);max-width:360px;
}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{
  display:inline-block;
  padding:6px 0;
  font-size:14.5px;
  color:var(--dark-text-2);
}
.footer-links a:hover{color:var(--lava);}
.footer-contact li{
  font-size:14.5px;color:var(--dark-text-2);
  padding:6px 0;display:flex;gap:9px;align-items:flex-start;line-height:1.75;
}
.footer-contact i{color:var(--gold);margin-top:8px;font-size:12px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dark-text-2);
}

/* ============ 状态与可访问性 ============ */
a:active{opacity:.92;}
.pill:focus-visible,.btn:focus-visible,.chan-card:focus-visible,.news-card__media:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(240,83,43,.45);
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero h1{font-size:42px;}
}
@media (max-width:991px){
  :root{--sec-y:76px;}
  .hero{padding:52px 0 92px;}
  .hero__inner{grid-template-columns:1fr;gap:38px;}
  .hero h1{font-size:36px;}
  .hero__media{max-width:580px;}
  .steps{grid-template-columns:1fr;gap:30px;}
  .steps::before{display:none;}
  .step{border-left:1.5px solid var(--lava);padding-left:22px;}
  .step__num{width:46px;height:46px;font-size:16px;}
  .case-main{grid-template-columns:1fr;}
  .case-main__media{min-height:280px;}
  .case-main__body{padding:32px 28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card--feature{grid-column:span 2;flex-direction:column;}
  .news-card--feature .news-card__media{flex:none;aspect-ratio:16/9;min-height:0;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:44px 36px 42px;}
  .cta-band h2{font-size:27px;}
}
@media (max-width:767px){
  :root{--gutter:16px;--sec-y:60px;}
  body{font-size:16px;}
  .nav-top{min-height:58px;gap:12px;}
  .brand__mark{width:34px;height:34px;}
  .brand__name{font-size:15px;}
  .brand__sub{font-size:10px;letter-spacing:.14em;}
  .nav-search{
    display:none;
    position:absolute;left:16px;right:16px;top:64px;
    max-width:none;z-index:70;
    background:var(--white);
    border-radius:12px;
    padding:8px;
    box-shadow:var(--sh-hover);
  }
  .nav-search.is-open{display:block;}
  .nav-search input{border-radius:8px;}
  .search-toggle{display:grid;margin-left:auto;}
  .nav-cta{height:38px;padding:0 16px;font-size:13.5px;}
  .nav-chan__scroll{padding:8px 0;}
  .pill{height:34px;font-size:13.5px;padding:0 14px;}
  .hero{padding:34px 0 78px;}
  .hero h1{font-size:30px;}
  .hero__sub{font-size:15.5px;}
  .hero__actions{flex-direction:column;gap:12px;}
  .hero__actions .btn{width:100%;}
  .hero__stats{flex-wrap:wrap;gap:18px 0;margin-top:36px;}
  .hero__stat{flex:1 1 46%;padding-right:0;border-right:0;}
  .hero__stat b{font-size:19px;}
  .hero__stat span{font-size:12.5px;}
  .sec-head h2{font-size:24px;}
  .sec-sub{font-size:15.5px;}
  .step__title{font-size:19px;}
  .case-bar{flex-direction:column;gap:6px;}
  .evidence li{flex-wrap:wrap;gap:12px;padding:16px 6px;}
  .evidence__text{flex:1 1 100%;font-size:15px;order:3;}
  .news-grid{grid-template-columns:1fr;}
  .news-card--feature{grid-column:span 1;}
  .news-card--feature .news-card__title{font-size:19px;}
  .news-head{align-items:flex-start;}
  .faq-acc .accordion-title{font-size:15.5px;height:auto;min-height:56px;padding:14px 40px 14px 4px;line-height:1.6;}
  .faq-side{padding:24px 20px;}
  .cta-band{padding:34px 22px 36px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .cta-band p{font-size:15.5px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .cta-trust{flex-direction:column;gap:10px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .hero h1{font-size:27px;}
  .hero__tag{font-size:12px;}
  .brand__sub{display:none;}
  .news-card__body{padding:20px 18px 22px;}
  .chan-card__body{padding:20px 18px;}
}

/* roulang page: article */
:root{
  --lava:#F0532B;
  --lava-dark:#C93B16;
  --ink:#14181D;
  --slate:#2C333B;
  --gold:#EDB23F;
  --bamboo:#1E7A6A;
  --sand:#F6F2EA;
  --white:#FFFFFF;
  --line:#E7E0D5;
  --t1:#1A1F24;
  --t2:#5A636C;
  --t3:#8C949C;
  --on-dark:#F5F1E9;
  --on-dark-2:rgba(255,255,255,.62);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sh-card:0 1px 2px rgba(20,24,29,.06),0 8px 24px rgba(20,24,29,.06);
  --sh-hover:0 10px 30px rgba(20,24,29,.12);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--lava)}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{padding-left:1.15em}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;color:var(--t1)}
p{margin:0}
:focus-visible{outline:2px solid rgba(240,83,43,.45);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
@media screen and (min-width:1200px){
  .container{max-width:1280px}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--lava);color:#fff;border-color:var(--lava)}
.btn-primary:hover{background:var(--lava-dark);border-color:var(--lava-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-block{width:100%}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.04em;
  background:var(--sand);
  color:var(--slate);
  border:1px solid var(--line);
}
.badge-lava{background:rgba(240,83,43,.1);color:var(--lava-dark);border-color:rgba(240,83,43,.24)}
.badge-bamboo{background:rgba(30,122,106,.1);color:var(--bamboo);border-color:rgba(30,122,106,.22)}
.badge-gold{background:rgba(237,178,63,.16);color:#8a6412;border-color:rgba(237,178,63,.4)}

/* ============ 双层导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--sand);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(20,24,29,.09)}
.nav-top{
  display:flex;
  align-items:center;
  gap:22px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  position:relative;
  width:34px;height:34px;
  border-radius:50%;
  border:2px solid var(--gold);
  background:radial-gradient(circle at 50% 50%,rgba(240,83,43,.2),transparent 68%);
  flex:0 0 auto;
}
.brand__mark::before{
  content:"";
  position:absolute;
  inset:6px;
  border-radius:50%;
  border:2.5px solid var(--lava);
  border-right-color:transparent;
  border-bottom-color:transparent;
  transform:rotate(-20deg);
}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--ink)}
.brand__sub{font-size:11px;letter-spacing:.22em;color:var(--t3)}
.nav-search{
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:420px;
  margin-left:auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--lava);box-shadow:0 0 0 3px rgba(240,83,43,.12)}
.nav-search input{
  flex:1 1 auto;
  height:42px;
  border:0;
  outline:0;
  padding:0 14px;
  background:transparent;
  color:var(--t1);
  font-size:14.5px;
}
.nav-search input::placeholder{color:var(--t3)}
.nav-search button{
  width:46px;height:42px;
  border:0;
  background:var(--lava);
  color:#fff;
  cursor:pointer;
  transition:background .2s ease;
}
.nav-search button:hover{background:var(--lava-dark)}
.search-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:#fff;
  color:var(--t2);
  cursor:pointer;
  margin-left:auto;
}
.nav-cta{flex:0 0 auto}
.nav-chan{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.nav-chan__scroll{
  display:flex;
  gap:8px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  padding:10px 0;
  scrollbar-width:none;
}
.nav-chan__scroll::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;
  scroll-snap-align:start;
  padding:8px 16px;
  border-radius:999px;
  font-size:14px;
  color:var(--t2);
  border:1px solid transparent;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.pill:hover{background:var(--sand);color:var(--t1)}
.pill.is-active{background:var(--lava);color:#fff}
.pill.is-active:hover{background:var(--lava-dark);color:#fff}
.search-layer{
  display:none;
  padding:12px 0 16px;
  background:var(--sand);
  border-bottom:1px solid var(--line);
}
.search-layer.is-open{display:block}
.search-layer .nav-search{display:flex;max-width:none;margin:0}

/* ============ 文章头图 ============ */
.article-hero{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(105deg,rgba(20,24,29,.92) 0%,rgba(20,24,29,.78) 48%,rgba(201,59,22,.55) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:var(--on-dark);
  padding:52px 0 92px;
}
.article-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:56px;
  background:var(--sand);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--on-dark-2);
  margin-bottom:22px;
}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.5}
.crumbs .current{color:rgba(255,255,255,.78);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  color:#fff;
  font-size:44px;
  font-weight:800;
  line-height:1.18;
  max-width:900px;
  margin:14px 0 18px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.hero-tags .badge{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:#fff}
.hero-tags .badge.badge-gold{background:rgba(237,178,63,.2);border-color:rgba(237,178,63,.42);color:#F6D18A}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:13.5px;
  color:var(--on-dark-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--gold)}

/* ============ 正文区 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-white{background:var(--white)}
.section-dark{background:var(--ink);color:var(--on-dark);position:relative;overflow:hidden}
.section-dark::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 26px);
  opacity:.7;
  pointer-events:none;
}
.section-dark>*{position:relative;z-index:2}
.article-shell{padding-top:56px}
.article-main{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:36px 40px 44px;
  max-width:820px;
}
.article-content{font-size:16.5px;line-height:1.88;color:var(--t1)}
.article-content>*+*{margin-top:20px}
.article-content h2{
  position:relative;
  font-size:28px;
  font-weight:700;
  line-height:1.3;
  margin-top:44px;
  padding-left:18px;
  scroll-margin-top:150px;
}
.article-content h2::before{
  content:"";
  position:absolute;
  left:0;top:.42em;
  width:6px;height:20px;
  border-radius:4px;
  background:var(--lava);
}
.article-content h3{
  font-size:20.5px;
  font-weight:700;
  margin-top:32px;
  color:var(--slate);
  scroll-margin-top:150px;
}
.article-content p{margin-top:18px;color:var(--t1)}
.article-content p:first-of-type{
  font-size:17.5px;
  color:var(--slate);
  border-left:3px solid rgba(237,178,63,.75);
  padding-left:18px;
}
.article-content a{color:var(--lava-dark);border-bottom:1px solid rgba(240,83,43,.35)}
.article-content a:hover{color:var(--lava);border-bottom-color:var(--lava)}
.article-content ul,.article-content ol{margin-top:16px;color:var(--t2)}
.article-content li{margin-top:8px}
.article-content li::marker{color:var(--lava)}
.article-content blockquote{
  margin:26px 0;
  padding:18px 22px;
  background:var(--sand);
  border-left:3px solid var(--lava);
  border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--slate);
  font-size:16px;
}
.article-content blockquote p{margin:0}
.article-content img{
  border-radius:var(--r-img);
  margin:26px 0 10px;
  width:100%;
  object-fit:cover;
}
.article-content figcaption,
.article-content .caption{
  font-size:13px;
  color:var(--t3);
  text-align:center;
  margin-bottom:8px;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin-top:24px;
  font-size:15px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.article-content th{
  background:var(--sand);
  color:var(--slate);
  font-weight:700;
  text-align:left;
}
.article-content th,.article-content td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.article-content tr:last-child td{border-bottom:0}
.article-content strong{color:var(--ink)}
.article-content code{
  background:var(--sand);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  font-size:14px;
}

/* 侧栏 */
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 22px 24px;
  box-shadow:var(--sh-card);
  margin-bottom:24px;
}
.side-sticky{position:sticky;top:150px}
.side-card h3{
  font-size:16px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.side-card h3 i{color:var(--lava)}
#tocList{display:flex;flex-direction:column;gap:2px}
#tocList a{
  display:block;
  font-size:14px;
  color:var(--t2);
  padding:7px 10px;
  border-radius:8px;
  border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
#tocList a:hover{background:var(--sand);color:var(--lava-dark);border-left-color:var(--lava)}
.hot-list{list-style:none;margin:0;padding:0}
.hot-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:11px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  color:var(--t2);
}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list .no{
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid var(--gold);
  color:#8a6412;
  font-size:12px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-top:3px;
  font-variant-numeric:tabular-nums;
}
.hot-list a:hover{color:var(--lava)}
.side-cta{
  background:var(--ink);
  color:var(--on-dark);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-card);
  padding:24px 22px;
}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:10px}
.side-cta p{font-size:14px;color:var(--on-dark-2);margin-bottom:16px;line-height:1.75}

/* 文末标签 */
.tag-block{
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.tag-block .label{font-size:13px;color:var(--t3);letter-spacing:.06em}
.tag-block .tag{
  padding:6px 14px;
  border-radius:999px;
  background:var(--sand);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--slate);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tag-block .tag:hover{background:var(--lava);color:#fff;border-color:var(--lava)}

/* 空态 */
.empty-article{
  text-align:center;
  padding:60px 24px;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:var(--sand);
}
.empty-article i{font-size:34px;color:var(--bamboo);margin-bottom:14px;display:block}
.empty-article h2{font-size:20px;margin-bottom:8px}
.empty-article p{color:var(--t2);font-size:15px;margin-bottom:20px}

/* ============ 版块头 ============ */
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--lava);
  font-weight:600;
  margin-bottom:12px;
}
.section-head .eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--lava);
  border-radius:2px;
}
.section-head h2{font-size:32px;font-weight:700;line-height:1.25}
.section-head p{margin-top:14px;color:var(--t2);font-size:16px}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:var(--on-dark-2)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.section-head-row .section-head{margin-bottom:0}
.more-link{font-size:14.5px;font-weight:600;color:var(--lava-dark);display:inline-flex;align-items:center;gap:6px}
.more-link i{transition:transform .2s ease}
.more-link:hover i{transform:translateX(4px)}

/* ============ 相关推荐卡片 ============ */
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
  display:flex;
  flex-direction:column;
  height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.card__thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--sand);
}
.card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card__thumb img{transform:scale(1.04)}
.card__thumb .badge{position:absolute;left:12px;top:12px;background:rgba(20,24,29,.82);color:#fff;border-color:transparent}
.card__body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.card__title{
  font-size:17px;
  font-weight:700;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.card:hover .card__title{color:var(--lava)}
.card__desc{
  margin-top:10px;
  font-size:14.5px;
  color:var(--t2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__foot{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--t3);
  font-variant-numeric:tabular-nums;
}
.card__foot .arrow{color:var(--lava);transition:transform .2s ease}
.card:hover .card__foot .arrow{transform:translateX(4px)}

/* ============ FAQ ============ */
.accordion{border:0;background:transparent;margin:0}
.accordion-item{
  border:0 !important;
  border-bottom:1px solid var(--line) !important;
  background:transparent;
}
.accordion-title{
  border:0 !important;
  background:transparent !important;
  padding:20px 46px 20px 0 !important;
  font-size:16.5px;
  font-weight:600;
  color:var(--t1) !important;
  line-height:1.5;
  position:relative;
}
.accordion-title::before{
  content:"\f078" !important;
  font-family:"Font Awesome 6 Free" !important;
  font-weight:900 !important;
  position:absolute !important;
  right:10px !important;
  top:50% !important;
  transform:translateY(-50%) !important;
  font-size:13px !important;
  color:var(--lava) !important;
  transition:transform .2s ease !important;
  float:none !important;
  margin:0 !important;
}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg) !important}
.accordion-title:hover{color:var(--lava) !important}
.accordion-content{
  border:0 !important;
  background:transparent !important;
  padding:0 20px 22px 0 !important;
  color:var(--t2);
  font-size:15.5px;
  line-height:1.85;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(100deg,rgba(20,24,29,.95),rgba(44,51,59,.92)),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  color:var(--on-dark);
  padding:76px 0 84px;
}
.cta-band::after{
  content:"";
  position:absolute;left:0;right:0;top:-1px;
  height:44px;
  background:var(--sand);
  clip-path:polygon(0 0,100% 0,0 100%);
}
.cta-inner{position:relative;z-index:2;max-width:820px}
.cta-inner h2{color:#fff;font-size:34px;font-weight:800;line-height:1.25}
.cta-inner p{margin-top:14px;color:var(--on-dark-2);font-size:16.5px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-trust{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:30px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;
  color:var(--on-dark-2);
}
.cta-trust span{display:inline-flex;align-items:center;gap:8px}
.cta-trust i{color:var(--gold)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--ink);
  color:var(--on-dark-2);
  padding:64px 0 26px;
  font-size:14px;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:10px;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.09) 0 2px,transparent 2px 12px);
  opacity:.85;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.site-footer .brand__name{color:#fff}
.site-footer .brand__sub{color:rgba(255,255,255,.45)}
.site-footer .brand{margin-bottom:16px}
.footer-brand p{line-height:1.85;font-size:14px;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px}
.footer-links a:hover{color:var(--lava)}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:14px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--lava);margin-top:5px}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:20px;
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .article-hero h1{font-size:38px}
  .article-main{max-width:none;padding:32px 32px 38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media screen and (max-width:991px){
  .container{padding-left:24px;padding-right:24px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .nav-search{max-width:280px}
  .article-hero{padding:40px 0 78px}
  .article-hero h1{font-size:32px}
  .section-head h2{font-size:27px}
  .cta-inner h2{font-size:28px}
  .side-sticky{position:static}
}
@media screen and (max-width:767px){
  .container{padding-left:16px;padding-right:16px}
  .nav-top{height:58px;gap:12px}
  .nav-search{display:none}
  .search-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta{height:40px;padding:0 14px;font-size:14px}
  .nav-chan__scroll{padding:8px 0}
  .pill{padding:7px 13px;font-size:13.5px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .article-hero{padding:32px 0 70px}
  .article-hero h1{font-size:26px;margin:12px 0 14px}
  .article-hero::after{height:34px}
  .article-main{padding:24px 18px 30px;border-radius:12px}
  .article-content{font-size:16px}
  .article-content h2{font-size:22px;margin-top:34px}
  .article-content h3{font-size:18.5px}
  .article-content p:first-of-type{font-size:16.5px;padding-left:14px}
  .section-head{margin-bottom:30px}
  .section-head h2{font-size:23px}
  .section-head-row{margin-bottom:30px}
  .cta-actions .btn{width:100%}
  .cta-band{padding:60px 0 66px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .card__body{padding:16px 16px 18px}
}
@media screen and (max-width:520px){
  .article-hero h1{font-size:23px}
  .article-meta{font-size:12.5px;gap:8px 16px}
  .crumbs .current{max-width:180px}
  .btn{font-size:14.5px;height:42px}
}

/* roulang page: category2 */
/* ============ 1. 设计令牌 ============ */
:root{
  --lava:#F0532B;
  --lava-deep:#C93B16;
  --ink:#14181D;
  --slate:#2C333B;
  --gold:#EDB23F;
  --bamboo:#1E7A6A;
  --sand:#F6F2EA;
  --white:#FFFFFF;
  --line:#E7E0D5;
  --text:#1A1F24;
  --muted:#5A636C;
  --weak:#8C949C;
  --on-dark:#F5F1E9;
  --on-dark-2:rgba(255,255,255,.62);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,24,29,.06),0 8px 24px rgba(20,24,29,.06);
  --sh-2:0 10px 30px rgba(20,24,29,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
}

/* ============ 2. reset 与基础排版 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  padding-top:0;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid rgba(240,83,43,.45);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}
h1{font-size:48px;line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h3{font-size:21px;line-height:1.4;font-weight:700;letter-spacing:-.01em}
p{color:var(--muted)}

/* ============ 3. 容器与栅格修正 ============ */
.container{width:100%;max-width:1264px;margin:0 auto;padding:0 32px}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.grid-margin-y{margin-top:-12px;margin-bottom:-12px}
.grid-margin-y>.cell{padding-top:12px;padding-bottom:12px}
.section{padding:96px 0}
.section--white{background:var(--white)}
.section--sand{background:var(--sand)}
.section--ink{background:var(--ink);color:var(--on-dark);position:relative;overflow:hidden}
.section--ink p{color:var(--on-dark-2)}
.section--ink h2{color:var(--on-dark)}

/* 版块头 */
.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;font-weight:600;
  color:var(--lava);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lava);border-radius:2px}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:17px;line-height:1.85}
.section--ink .eyebrow{color:var(--gold)}
.section--ink .eyebrow::before{background:var(--gold)}

/* ============ 4. 双层导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--sand);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,24,29,.09)}
.nav-top{
  display:flex;align-items:center;gap:24px;height:68px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.brand__mark{
  width:36px;height:36px;border-radius:50%;
  border:2px solid var(--gold);
  background:radial-gradient(circle at 34% 28%,#F0532B,#C93B16);
  position:relative;flex:0 0 auto;
  box-shadow:inset 0 0 0 3px rgba(255,255,255,.10);
}
.brand__mark::after{
  content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;
  background:var(--gold);transform:translate(-50%,-50%) rotate(-24deg);border-radius:2px;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand__sub{font-size:11px;letter-spacing:.2em;color:var(--muted)}
.nav-search{
  flex:1 1 auto;max-width:400px;display:flex;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-input);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--lava);box-shadow:0 0 0 3px rgba(240,83,43,.12)}
.nav-search input{
  flex:1;height:42px;border:0;background:transparent;padding:0 14px;font-size:14.5px;outline:none;
}
.nav-search input::placeholder{color:var(--weak)}
.nav-search button{
  width:46px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);transition:color .2s ease,background .2s ease;
}
.nav-search button:hover{color:var(--lava);background:var(--sand)}
.search-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:var(--r-btn);color:var(--slate);border:1px solid var(--line);background:var(--white);
}
.nav-cta{flex:0 0 auto;margin-left:auto}
.nav-chan{border-top:1px solid var(--line);background:rgba(246,242,234,.94);backdrop-filter:saturate(120%)}
.nav-chan__scroll{
  display:flex;gap:8px;overflow-x:auto;padding:10px 0;
  scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chan__scroll::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:999px;font-size:14.5px;color:var(--muted);
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.pill:hover{background:var(--white);color:var(--ink);border-color:var(--line)}
.pill.is-active{background:var(--lava);color:#fff;font-weight:600}
.pill.is-active:hover{background:var(--lava-deep);color:#fff}

/* ============ 5. 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--lava);color:#fff;border:1.5px solid var(--lava)}
.btn-primary:hover{background:var(--lava-deep);border-color:var(--lava-deep);transform:translateY(-2px);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:var(--on-dark);border:1.5px solid rgba(245,241,233,.7)}
.btn-outline-light:hover{background:rgba(245,241,233,.12);border-color:var(--on-dark);transform:translateY(-2px);color:var(--on-dark)}
.btn:active{transform:translateY(0)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ============ 6. 分类页首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;background:var(--ink);color:var(--on-dark);
  padding:64px 0 150px;
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,24,29,.74),rgba(20,24,29,.93));
}
.page-hero__inner{position:relative;z-index:3;max-width:820px}
.page-hero__cut{
  position:absolute;left:0;right:0;bottom:-2px;height:112px;z-index:4;
  background:var(--sand);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--on-dark-2);margin-bottom:20px}
.crumbs a{color:var(--on-dark-2);transition:color .2s ease}
.crumbs a:hover{color:var(--gold)}
.crumbs__sep{opacity:.5}
.crumbs__now{color:var(--on-dark)}
.page-hero h1{color:var(--on-dark);margin-bottom:18px}
.page-hero__lead{font-size:18px;line-height:1.8;color:var(--on-dark-2);max-width:680px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;border:1px solid rgba(237,178,63,.5);
  color:var(--gold);font-size:12.5px;letter-spacing:.1em;margin-bottom:18px;
}
.stat-strip{
  display:flex;flex-wrap:wrap;gap:0;margin-top:44px;
  border-top:1px solid rgba(255,255,255,.12);padding-top:24px;
}
.stat-strip__item{
  flex:1 1 0;min-width:150px;padding:0 24px;border-left:1px solid rgba(255,255,255,.14);
}
.stat-strip__item:first-child{padding-left:0;border-left:0}
.stat-strip__num{font-size:28px;font-weight:800;color:var(--on-dark);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.stat-strip__label{font-size:13.5px;color:var(--on-dark-2);margin-top:2px}

/* ============ 7. 交错图文 ============ */
.split{gap:8px}
.split__media{position:relative}
.split__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.split__body p{font-size:17px;margin-bottom:18px}
.split__body h3{margin-bottom:12px}
.figcaption{font-size:13px;color:var(--weak);margin-top:12px;line-height:1.6}
.split--reverse .split__media{order:-1}

/* 带标题的要点列表 */
.detail-list{margin-top:26px}
.detail-list li{
  padding:18px 0 18px 20px;border-left:1.5px solid var(--lava);
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.detail-list li:first-child{padding-top:8px}
.detail-list li:last-child{border-bottom:0}
.detail-list li:hover{background:rgba(240,83,43,.04)}
.detail-list strong{display:block;font-size:17px;font-weight:700;color:var(--text);margin-bottom:4px}
.detail-list span{font-size:15.5px;color:var(--muted);display:block}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--lava);
  border-bottom:1px solid rgba(240,83,43,.32);padding-bottom:2px;transition:gap .2s ease,color .2s ease,border-color .2s ease;
}
.text-link:hover{gap:10px;color:var(--lava-deep);border-color:var(--lava-deep)}
.text-link i{font-size:13px}
.inline-links{margin-top:26px;display:flex;flex-wrap:wrap;gap:22px}

/* ============ 8. 步骤组件 ============ */
.steps{counter-reset:step}
.step{
  position:relative;display:flex;gap:20px;padding:22px 0 22px 0;
  border-bottom:1px solid var(--line);
}
.step:last-child{border-bottom:0}
.step__num{
  flex:0 0 auto;width:46px;height:46px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--gold);color:var(--lava);
  font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--white);
}
.step__body h3{margin-bottom:6px;font-size:19px}
.step__body p{font-size:15.5px;margin-bottom:10px}
.step__link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--muted);
  transition:color .2s ease,gap .2s ease;
}
.step__link:hover{color:var(--lava);gap:10px}

/* ============ 9. 卡片族 ============ */
.card-deck{margin-top:8px}
.card-deck>.cell{display:flex}
.card{
  display:flex;flex-direction:column;width:100%;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD3C4}
.card__media{position:relative;overflow:hidden}
.card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card__body h3{margin:12px 0 10px;font-size:19px}
.card__body p{font-size:15.5px;line-height:1.8;margin-bottom:18px}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between}
.card__arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--lava);
  transition:gap .2s ease,color .2s ease;
}
.card:hover .card__arrow{gap:10px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:var(--sand);color:var(--slate);border:1px solid var(--line);
}
.badge--bamboo{background:rgba(30,122,106,.10);color:#16614F;border-color:rgba(30,122,106,.22)}
.badge--gold{background:rgba(237,178,63,.16);color:#8A6208;border-color:rgba(237,178,63,.38)}

/* ============ 10. 信息条列表 ============ */
.rowlist{border-top:1px solid var(--line)}
.rowlist__item{
  display:flex;align-items:flex-start;gap:20px;
  padding:22px 18px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.rowlist__item:hover{background:var(--sand)}
.rowlist__num{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--gold);color:var(--lava);font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;background:var(--white);
}
.rowlist__text{flex:1 1 auto}
.rowlist__text h3{font-size:17.5px;margin-bottom:4px}
.rowlist__text p{font-size:15px;line-height:1.75}
.rowlist__meta{flex:0 0 auto;display:flex;align-items:center;gap:10px;padding-top:4px}

/* ============ 11. FAQ 折叠 ============ */
.faq-wrap{max-width:900px}
ul.accordion.faq{
  background:transparent;border:0;border-top:1px solid var(--line);
  margin:0;list-style:none;
}
ul.accordion.faq .accordion-item{border-bottom:1px solid var(--line);background:transparent}
ul.accordion.faq .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  width:100%;padding:20px 4px;font-size:17.5px;font-weight:600;color:var(--text);
  border:0;background:transparent;line-height:1.5;transition:color .2s ease;
}
ul.accordion.faq .accordion-title:hover{color:var(--lava)}
ul.accordion.faq .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  order:2;font-size:13px;color:var(--weak);transition:transform .2s ease,color .2s ease;
}
ul.accordion.faq .accordion-item.is-active .accordion-title::before,
ul.accordion.faq .accordion-item.is-open .accordion-title::before{transform:rotate(180deg);color:var(--lava)}
ul.accordion.faq .accordion-content{
  padding:4px 4px 22px;background:transparent;border:0;color:var(--muted);font-size:16px;line-height:1.85;
}
ul.accordion.faq .accordion-item.is-active,
ul.accordion.faq .accordion-item.is-open{background:var(--sand)}
ul.accordion.faq .accordion-item.is-active .accordion-title,
ul.accordion.faq .accordion-item.is-open .accordion-title{padding-left:20px;padding-right:20px}
ul.accordion.faq .accordion-item.is-active .accordion-content,
ul.accordion.faq .accordion-item.is-open .accordion-content{padding-left:20px;padding-right:20px}

/* ============ 12. CTA 通栏 ============ */
.cta-band{
  position:relative;background:var(--ink);color:var(--on-dark);
  padding:88px 0 96px;overflow:hidden;
}
.cta-band__lines{
  position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 22px);
}
.cta-band__cut{
  position:absolute;left:0;right:0;bottom:-2px;height:78px;background:var(--ink);
  clip-path:polygon(0 0,0 100%,100% 100%);
}
.cta-band__inner{position:relative;z-index:3;display:flex;flex-wrap:wrap;gap:40px;align-items:center;justify-content:space-between}
.cta-band h2{margin-bottom:12px}
.cta-band p{max-width:620px;color:var(--on-dark-2)}
.trust-line{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px}
.trust-line span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--on-dark-2)}
.trust-line i{color:var(--gold);font-size:12px}

/* ============ 13. 页脚 ============ */
.site-footer{
  position:relative;background:var(--ink);color:var(--on-dark);
  padding:72px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:10px;
  background-image:radial-gradient(circle at 12px 10px,rgba(245,241,233,.09) 0 8px,transparent 8px);
  background-size:24px 20px;background-repeat:repeat-x;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand p{font-size:14.5px;line-height:1.85;color:var(--on-dark-2);margin-top:16px;max-width:340px}
.site-footer .brand__name{color:var(--on-dark)}
.site-footer .brand__sub{color:var(--on-dark-2)}
.site-footer h4{font-size:15px;font-weight:700;color:var(--on-dark);margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:var(--on-dark-2);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--lava);padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--on-dark-2);line-height:1.7}
.footer-contact i{color:var(--gold);margin-top:5px;font-size:13px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;font-size:13px;color:var(--on-dark-2);
}

/* ============ 14. 状态与响应式 ============ */
@media (min-width:1024px){
  .split--reverse .split__media{order:-1}
}
@media (max-width:1199px){
  .container{max-width:100%}
  h1{font-size:42px}
  h2{font-size:30px}
  .section{padding:80px 0}
}
@media (max-width:991px){
  .container{padding:0 24px}
  h1{font-size:36px}
  h2{font-size:27px}
  .section{padding:72px 0}
  .page-hero{padding:52px 0 120px}
  .page-hero__lead{font-size:17px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .split__media{margin-top:28px}
  .split--reverse .split__media{order:0}
  .stat-strip__item{padding:0 16px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8}
  .container{padding:0 16px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section-head p{font-size:16px}
  .nav-top{height:auto;flex-wrap:wrap;gap:12px;padding:10px 0}
  .brand__name{font-size:17px}
  .nav-search{display:none;order:3;width:100%;max-width:100%}
  .nav-search.is-open{display:flex}
  .search-toggle{display:inline-flex;margin-left:auto}
  .nav-cta{margin-left:0;height:40px;padding:0 14px;font-size:14px}
  .nav-chan__scroll{padding:8px 0}
  .pill{height:36px;font-size:14px}
  .page-hero{padding:40px 0 110px}
  .page-hero__cut{height:80px}
  .stat-strip{margin-top:30px;padding-top:18px}
  .stat-strip__item{flex:1 1 100%;padding:10px 0;border-left:0;border-top:1px solid rgba(255,255,255,.10)}
  .stat-strip__item:first-child{border-top:0;padding-top:0}
  .btn{width:100%}
  .btn-row .btn{width:100%}
  .cta-band{padding:64px 0 72px}
  .cta-band__inner{gap:28px}
  .rowlist__item{flex-wrap:wrap;gap:14px;padding:18px 12px}
  .rowlist__meta{padding-top:0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:6px}
  .step{gap:14px}
  .step__num{width:40px;height:40px;font-size:15px}
  .detail-list li{padding:16px 0 16px 16px}
}
@media (max-width:520px){
  h1{font-size:27px;line-height:1.2}
  .page-hero__lead{font-size:16px}
  .inline-links{flex-direction:column;gap:12px}
  .card__body{padding:18px 16px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --lava:#F0532B;
  --lava-dark:#C93B16;
  --ink:#14181D;
  --slate:#2C333B;
  --gold:#EDB23F;
  --bamboo:#1E7A6A;
  --sand:#F6F2EA;
  --white:#FFFFFF;
  --line:#E7E0D5;
  --text:#1A1F24;
  --text-2:#5A636C;
  --text-3:#8C949C;
  --dark-text:#F5F1E9;
  --dark-text-2:rgba(255,255,255,.62);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(20,24,29,.06),0 8px 24px rgba(20,24,29,.06);
  --shadow-card-hover:0 10px 30px rgba(20,24,29,.12);
  --container:1200px;
}

/* ===== reset & base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  font-weight:400;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--text);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--lava);}
h1,h2,h3,h4{margin:0 0 16px;color:var(--text);letter-spacing:-.01em;}
h1{font-size:48px;line-height:1.15;font-weight:800;}
h2{font-size:31px;line-height:1.25;font-weight:700;}
h3{font-size:21px;line-height:1.4;font-weight:700;}
h4{font-size:16px;font-weight:700;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 16px;padding-left:20px;}
li{margin-bottom:8px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid rgba(240,83,43,.55);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.container--wide{max-width:1280px;}

/* ===== buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lava);color:#fff;border-color:var(--lava);}
.btn-primary:hover{background:var(--lava-dark);border-color:var(--lava-dark);color:#fff;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px;}
.btn-block{width:100%;}

/* ===== badges / pills ===== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.04em;
  font-weight:600;
  background:var(--sand);
  color:var(--slate);
  border:1px solid var(--line);
}
.badge--bamboo{background:rgba(30,122,106,.1);color:var(--bamboo);border-color:rgba(30,122,106,.22);}
.badge--gold{background:rgba(237,178,63,.16);color:#8a5d0d;border-color:rgba(237,178,63,.35);}
.badge--lava{background:rgba(240,83,43,.1);color:var(--lava-dark);border-color:rgba(240,83,43,.22);}

.tabular{font-variant-numeric:tabular-nums;}

/* ===== header / nav ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--sand);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,24,29,.08);}
.nav-top{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:68px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand__mark{
  position:relative;
  width:38px;height:38px;
  border-radius:50%;
  background:linear-gradient(140deg,var(--lava),var(--lava-dark));
  border:2px solid var(--gold);
  box-shadow:inset 0 0 0 3px rgba(255,255,255,.18);
  flex:0 0 auto;
}
.brand__mark::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:12px;height:12px;
  transform:translate(-50%,-50%);
  border-radius:50%;
  background:var(--gold);
}
.brand__text{display:flex;flex-direction:column;line-height:1.1;}
.brand__name{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.brand__sub{font-size:11px;letter-spacing:.22em;color:var(--text-3);font-weight:600;}
.brand:hover .brand__name{color:var(--lava);}

.nav-search{
  flex:1 1 auto;
  max-width:420px;
  display:flex;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--lava);box-shadow:0 0 0 3px rgba(240,83,43,.12);}
.nav-search input{
  flex:1 1 auto;
  height:42px;
  border:0;
  padding:0 14px;
  font-size:14px;
  color:var(--text);
  background:transparent;
  outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  width:46px;height:42px;
  border:0;
  background:transparent;
  color:var(--text-2);
  cursor:pointer;
  transition:color .2s ease,background .2s ease;
}
.nav-search button:hover{color:var(--lava);background:rgba(240,83,43,.06);}
.search-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--text-2);
  cursor:pointer;
}
.search-toggle:hover{color:var(--lava);border-color:var(--lava);}
.nav-cta{margin-left:auto;}

.nav-chan{
  border-top:1px solid var(--line);
  background:var(--sand);
}
.nav-chan__scroll{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:52px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.nav-chan__scroll::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;
  scroll-snap-align:start;
  padding:8px 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  background:transparent;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.pill:hover{background:#fff;color:var(--text);border-color:var(--line);}
.pill.is-active{background:var(--lava);color:#fff;border-color:var(--lava);}
.pill.is-active:hover{background:var(--lava-dark);border-color:var(--lava-dark);color:#fff;}

/* ===== breadcrumb ===== */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--lava);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--dark-text-2);}

/* ===== hero ===== */
.page-hero{
  position:relative;
  color:var(--dark-text);
  background-image:linear-gradient(105deg,rgba(20,24,29,.94) 0%,rgba(20,24,29,.82) 45%,rgba(20,24,29,.58) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  padding:64px 0 76px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:56px;
  background:var(--sand);
  transform:skewY(-2.4deg);
  transform-origin:left bottom;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{color:var(--dark-text);max-width:16em;}
.page-hero .breadcrumb .current{color:rgba(255,255,255,.72);}
.page-hero .lead{
  font-size:17px;
  color:var(--dark-text-2);
  max-width:46em;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-metrics{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:22px;
  max-width:640px;
}
.hero-metrics__item{
  flex:1 1 0;
  min-width:150px;
  padding:0 22px;
  border-left:1px solid rgba(255,255,255,.14);
}
.hero-metrics__item:first-child{padding-left:0;border-left:0;}
.hero-metrics__num{
  display:block;
  font-size:24px;
  font-weight:800;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  line-height:1.25;
}
.hero-metrics__label{display:block;font-size:13px;color:var(--dark-text-2);}

.hero-aside{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  padding:20px;
}
.hero-aside h2{
  font-size:16px;
  color:var(--dark-text);
  margin-bottom:6px;
}
.hero-aside p{font-size:13px;color:var(--dark-text-2);margin-bottom:14px;}
.hero-aside__img{width:100%;height:160px;object-fit:cover;border-radius:var(--radius-img);margin-bottom:14px;}
.hero-aside__list{list-style:none;padding:0;margin:0;}
.hero-aside__list li{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:9px 0;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13.5px;
  color:var(--dark-text-2);
  margin:0;
}
.hero-aside__list li:first-child{border-top:0;}
.hero-aside__list .time{
  flex:0 0 auto;
  color:var(--gold);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}

/* ===== section frame ===== */
.section{padding:88px 0;}
.section--tight{padding:72px 0;}
.section--white{background:var(--white);}
.section--ink{background:var(--ink);color:var(--dark-text);}
.section--ink h2,.section--ink h3{color:var(--dark-text);}
.section--ink p{color:var(--dark-text-2);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.18em;
  font-weight:700;
  color:var(--lava);
  margin-bottom:10px;
}
.section-head p{color:var(--text-2);margin-bottom:0;}
.section--ink .section-head p{color:var(--dark-text-2);}

/* ===== category layout: anchor + long content ===== */
.cat-layout{padding:72px 0 88px;background:var(--sand);}
.cat-anchor{position:relative;}
.cat-anchor__box{
  position:sticky;
  top:132px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 20px;
  box-shadow:var(--shadow-card);
}
.cat-anchor__box h2{font-size:15px;margin-bottom:14px;}
.cat-anchor__box nav{display:flex;flex-direction:column;gap:2px;}
.cat-anchor__box a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--text-2);
  border-left:2px solid transparent;
}
.cat-anchor__box a::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--line);
  flex:0 0 auto;
  transition:background .2s ease;
}
.cat-anchor__box a:hover{background:var(--sand);color:var(--text);}
.cat-anchor__box a:hover::before{background:var(--lava);}
.cat-anchor__note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
}
.content-block{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px 34px;
  margin-bottom:24px;
  box-shadow:var(--shadow-card);
  scroll-margin-top:140px;
}
.content-block h2{font-size:27px;}
.content-block h3{margin-top:26px;}
.content-block p{color:var(--text-2);}
.content-block strong{color:var(--text);}
.content-block figure{margin:0 0 20px;}
.content-block figure img{width:100%;height:270px;object-fit:cover;}
.content-block figure figcaption{font-size:13px;color:var(--text-3);margin-top:8px;}

.rule-list{list-style:none;padding:0;margin:0 0 8px;}
.rule-list li{
  position:relative;
  padding-left:26px;
  color:var(--text-2);
}
.rule-list li::before{
  content:"";
  position:absolute;
  left:2px;top:12px;
  width:10px;height:10px;
  border-radius:50%;
  border:2px solid var(--gold);
  background:rgba(237,178,63,.2);
}
.rule-list li b{color:var(--text);}

/* ===== mini steps ===== */
.mini-steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  margin:8px 0 4px;
  border-top:1px solid var(--line);
}
.mini-step{
  padding:20px 18px 6px;
  border-left:1.5px solid var(--lava);
  margin-right:18px;
}
.mini-step:last-child{margin-right:0;}
.mini-step span{
  display:block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--lava);
  margin-bottom:6px;
}
.mini-step h3{font-size:16px;margin-bottom:6px;}
.mini-step p{font-size:14px;margin-bottom:8px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover{color:var(--lava);}
.link-arrow:hover i{transform:translateX(4px);}

/* ===== data grid (non-table) ===== */
.data-grid{
  display:grid;
  grid-template-columns:1fr 1.6fr 1fr;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  margin:8px 0 4px;
}
.data-grid__head{
  background:var(--sand);
  font-size:13px;
  font-weight:700;
  color:var(--text-2);
  letter-spacing:.04em;
  padding:12px 18px;
  border-bottom:1px solid var(--line);
}
.data-grid__cell{
  padding:16px 18px;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  color:var(--text-2);
  background:var(--white);
}
.data-grid__cell b{color:var(--text);}
.data-grid__row:last-child .data-grid__cell{border-bottom:0;}
.data-grid__row{display:contents;}

/* ===== card grid ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease;
  display:flex;
  flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);}
.card__media{position:relative;}
.card__media img{width:100%;height:180px;object-fit:cover;border-radius:0;}
.card__media .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);}
.card__body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card__body h3{font-size:18px;margin-bottom:8px;}
.card__body p{font-size:14.5px;color:var(--text-2);margin-bottom:14px;}
.card__foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
}

/* ===== checklist ===== */
.checklist{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px 24px;
}
.checklist li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-2);
  margin:0;
}
.checklist i{color:var(--bamboo);margin-top:6px;font-size:13px;}

/* ===== FAQ ===== */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item__q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 4px;
  background:none;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  transition:color .2s ease;
}
.faq-item__q:hover{color:var(--lava);}
.faq-item__q i{color:var(--text-3);transition:transform .2s ease;}
.faq-item.is-open .faq-item__q{color:var(--lava-dark);}
.faq-item.is-open .faq-item__q i{transform:rotate(45deg);color:var(--lava);}
.faq-item__a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
  background:var(--sand);
  border-radius:var(--radius-img);
}
.faq-item__a p{
  padding:16px 20px;
  margin:0;
  font-size:15px;
  color:var(--text-2);
}
.faq-item.is-open .faq-item__a{max-height:420px;margin-bottom:14px;}

/* ===== CTA ===== */
.cta-block{
  position:relative;
  background:var(--ink);
  color:var(--dark-text);
  padding:76px 0 88px;
  overflow:hidden;
}
.cta-block::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.055) 0 1px,transparent 1px 26px);
  pointer-events:none;
}
.cta-block::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:52px;
  background:var(--ink);
  transform:skewY(2deg);
  transform-origin:right bottom;
}
.cta-block .container{position:relative;z-index:2;}
.cta-block h2{color:var(--dark-text);max-width:20em;}
.cta-block p{color:var(--dark-text-2);max-width:44em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px;}
.cta-trust{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  font-size:13px;
  color:var(--dark-text-2);
}
.cta-trust span{display:inline-flex;align-items:center;gap:8px;}
.cta-trust i{color:var(--gold);}

/* ===== back home ===== */
.back-home{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  padding:26px 0 0;
  font-size:14px;
  color:var(--text-3);
}

/* ===== footer ===== */
.site-footer{
  background:var(--ink);
  color:var(--dark-text-2);
  padding:64px 0 24px;
  border-top:1px solid rgba(237,178,63,.22);
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:repeating-linear-gradient(90deg,rgba(245,241,233,.18) 0 14px,transparent 14px 28px);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:40px;
}
.site-footer .brand__name{color:var(--dark-text);}
.site-footer .brand__sub{color:rgba(255,255,255,.45);}
.site-footer .brand:hover .brand__name{color:var(--lava);}
.footer-brand p{font-size:14px;margin:16px 0 0;color:var(--dark-text-2);max-width:34em;}
.site-footer h4{
  color:var(--dark-text);
  font-size:14px;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--dark-text-2);font-size:14px;}
.footer-links a:hover{color:var(--lava);}
.footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--dark-text-2);margin:0;}
.footer-contact i{color:var(--gold);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* ===== responsive ===== */
@media screen and (max-width:1199px){
  .container{padding-left:24px;padding-right:24px;}
  h1{font-size:42px;}
}
@media screen and (max-width:1024px){
  .hero-metrics__item{padding:0 16px;}
  .content-block{padding:26px 24px;}
}
@media screen and (max-width:991px){
  h1{font-size:36px;}
  h2{font-size:27px;}
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cat-anchor__box{position:static;margin-bottom:24px;}
  .cat-anchor__box nav{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .cat-anchor__box a{background:var(--sand);border-left:0;padding:8px 12px;border-radius:999px;}
  .cat-anchor__box a::before{display:none;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .data-grid{grid-template-columns:1fr 1.3fr 1fr;}
  .nav-search{max-width:280px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  .nav-top{min-height:58px;gap:12px;padding-top:8px;padding-bottom:8px;}
  .brand__name{font-size:17px;}
  .brand__sub{font-size:10px;letter-spacing:.16em;}
  .nav-search{display:none;position:absolute;left:16px;right:16px;top:64px;max-width:none;z-index:70;box-shadow:var(--shadow-card-hover);}
  .nav-search.is-open{display:flex;}
  .search-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .nav-cta{margin-left:0;}
  .nav-chan__scroll{min-height:48px;}
  .pill{font-size:13px;padding:7px 13px;}
  .page-hero{padding:44px 0 62px;}
  .page-hero .lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{flex-direction:column;gap:16px;}
  .hero-metrics__item{padding:0;border-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:12px;}
  .hero-metrics__item:first-child{border-top:0;padding-top:0;}
  .section{padding:56px 0;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .checklist{grid-template-columns:1fr;}
  .mini-steps{grid-template-columns:1fr;border-top:0;}
  .mini-step{margin-right:0;margin-bottom:14px;padding:14px 16px 2px;background:var(--white);border-radius:var(--radius-card);border:1px solid var(--line);border-left:1.5px solid var(--lava);}
  .data-grid{grid-template-columns:1fr;}
  .data-grid__head{display:none;}
  .data-grid__cell{border-bottom:1px solid var(--line);padding:12px 16px;}
  .content-block{padding:22px 18px;border-radius:var(--radius-card);}
  .content-block figure img{height:190px;}
  .cta-block{padding:56px 0 68px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media screen and (max-width:520px){
  h1{font-size:27px;}
  .hero-aside{padding:16px;}
  .hero-aside__img{height:130px;}
}

/* roulang page: category3 */
:root{
  --lava:#F0532B;
  --lava-deep:#C93B16;
  --ink:#14181D;
  --slate:#2C333B;
  --gold:#EDB23F;
  --bamboo:#1E7A6A;
  --sand:#F6F2EA;
  --white:#FFFFFF;
  --line:#E7E0D5;
  --text:#1A1F24;
  --text-2:#5A636C;
  --text-3:#8C949C;
  --dark-text:#F5F1E9;
  --dark-text-2:rgba(255,255,255,.62);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,24,29,.06),0 8px 24px rgba(20,24,29,.06);
  --sh-hover:0 10px 30px rgba(20,24,29,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  padding-top:116px;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--lava);}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;}
h1{font-size:46px;line-height:1.15;font-weight:800;}
h2{font-size:32px;line-height:1.25;font-weight:700;}
h3{font-size:21px;line-height:1.4;font-weight:700;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
input,button{outline:none;}
:focus-visible{outline:2px solid rgba(240,83,43,.45);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 双层导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--sand);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,24,29,.08);}
.nav-top{
  display:flex;align-items:center;gap:16px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:32px;height:32px;border-radius:50%;
  background:var(--lava);
  position:relative;
  box-shadow:inset 0 0 0 2.5px var(--gold);
  flex:0 0 auto;
}
.brand__mark::after{
  content:"";position:absolute;left:9px;top:13px;
  width:14px;height:6px;border-radius:3px;
  background:var(--white);
}
.brand__text{display:flex;flex-direction:column;line-height:1.1;}
.brand__name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand__sub{font-size:11px;letter-spacing:.16em;color:var(--text-3);}
.nav-search{
  flex:1 1 auto;max-width:460px;display:flex;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-btn);
  height:44px;overflow:hidden;margin-left:8px;
  transition:border-color .2s ease;
}
.nav-search:focus-within{border-color:var(--lava);}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;height:100%;
  padding:0 14px;color:var(--text);font-size:14px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  width:48px;height:100%;border:0;background:transparent;color:var(--text-2);
  cursor:pointer;transition:color .2s ease;
}
.nav-search button:hover{color:var(--lava);}
.search-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--white);color:var(--ink);cursor:pointer;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--lava);color:#fff;}
.btn-primary:hover{background:var(--lava-deep);color:#fff;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--dark-text);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.nav-cta{flex:0 0 auto;margin-left:auto;}
.nav-chan{border-top:1px solid var(--line);background:var(--sand);}
.nav-chan__scroll{
  display:flex;align-items:center;gap:8px;height:48px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.nav-chan__scroll::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--text-2);
  white-space:nowrap;transition:background-color .2s ease,color .2s ease;
}
.pill:hover{background:#EFE9DE;color:var(--ink);}
.pill.is-active{background:var(--lava);color:#fff;}
.pill.is-active:hover{background:var(--lava-deep);color:#fff;}

/* ============ Hero Banner ============ */
.hero-banner{
  position:relative;color:var(--dark-text);
  background-image:linear-gradient(115deg,rgba(20,24,29,.86) 0%,rgba(20,24,29,.55) 58%,rgba(240,83,43,.42) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:72px 0 96px;
  overflow:hidden;
}
.hero-banner::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.08) 0 1px,transparent 1px 26px);
  pointer-events:none;
}
.hero-banner .container{position:relative;z-index:2;}
.hero-banner h1{color:#fff;max-width:820px;}
.hero-banner .hero__lead{
  max-width:720px;margin-top:18px;font-size:17px;line-height:1.85;color:var(--dark-text-2);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--dark-text-2);margin-bottom:22px;
}
.breadcrumb a{color:var(--dark-text-2);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span{color:rgba(255,255,255,.9);}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;letter-spacing:.04em;font-weight:600;
}
.badge-sand{background:var(--sand);color:var(--slate);}
.badge-bamboo{background:rgba(30,122,106,.12);color:var(--bamboo);}
.badge-gold{background:rgba(237,178,63,.18);color:#8A6116;}
.badge-outline-light{background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:44px;max-width:760px;
}
.hero-stats__item{padding:0 22px;border-left:1px solid rgba(255,255,255,.22);}
.hero-stats__item:first-child{padding-left:0;border-left:0;}
.hero-stats__num{font-size:28px;font-weight:800;color:#fff;line-height:1.2;}
.hero-stats__label{font-size:13px;color:var(--dark-text-2);}
.hero-cut{
  position:absolute;left:0;right:0;bottom:-1px;height:56px;
  background:var(--sand);
  clip-path:polygon(0 62%,100% 0,100% 100%,0 100%);
  z-index:3;
}

/* ============ 通用版块 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.bg-white{background:var(--white);}
.bg-sand{background:var(--sand);}
.bg-dark{background:var(--ink);color:var(--dark-text);position:relative;overflow:hidden;}
.bg-dark::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 30px);
  pointer-events:none;
}
.bg-dark .container{position:relative;z-index:2;}
.bg-dark h2,.bg-dark h3,.bg-dark h4{color:#fff;}
.bg-dark p{color:var(--dark-text-2);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{margin-bottom:14px;}
.sec-head p{color:var(--text-2);font-size:16px;margin:0;}
.bg-dark .sec-head p{color:var(--dark-text-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--lava);
  text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lava);border-radius:2px;}

/* ============ 栅格修正 ============ */
.grid-x.g-x-24{margin-left:-12px;margin-right:-12px;}
.grid-x.g-x-24>.cell{padding-left:12px;padding-right:12px;}

/* ============ 卡片族 ============ */
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DCD3C4;}
.card__media{position:relative;aspect-ratio:16/9;background:var(--sand);overflow:hidden;}
.card__media img{width:100%;height:100%;object-fit:cover;}
.card__media.is-missing{background:var(--sand);background-image:repeating-linear-gradient(45deg,rgba(240,83,43,.14) 0 6px,transparent 6px 14px);}
.card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card__body h3{font-size:20px;}
.card__body p{color:var(--text-2);font-size:15px;margin:0;}
.card__meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-top:auto;padding-top:8px;
}
.card__link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--lava);
}
.card__link i{transition:transform .2s ease;}
.card__link:hover i{transform:translateX(4px);}

/* ============ 时间轴（竖向） ============ */
.timeline{position:relative;padding-left:0;}
.timeline__item{
  position:relative;
  display:grid;grid-template-columns:64px 1fr;gap:24px;
  padding-bottom:40px;
}
.timeline__item:last-child{padding-bottom:0;}
.timeline__item::before{
  content:"";position:absolute;left:31px;top:56px;bottom:0;width:0;
  border-left:2px dashed rgba(240,83,43,.35);
}
.timeline__item:last-child::before{display:none;}
.timeline__ring{
  width:64px;height:64px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--white);border:2px solid var(--gold);color:var(--lava);
  font-size:20px;font-weight:800;box-shadow:var(--sh-card);
}
.timeline__content{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease;
}
.timeline__content:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.timeline__content h3{margin-bottom:8px;}
.timeline__content p{color:var(--text-2);font-size:15px;margin-bottom:12px;}
.timeline__tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 对比矩阵 ============ */
.matrix{
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);
  overflow:hidden;background:rgba(255,255,255,.03);
}
.matrix__row{
  display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;
}
.matrix__row+.matrix__row{border-top:1px solid rgba(255,255,255,.12);}
.matrix__cell{
  padding:18px 20px;font-size:14px;color:var(--dark-text-2);
  border-left:1px solid rgba(255,255,255,.12);line-height:1.7;
}
.matrix__cell:first-child{border-left:0;color:#fff;font-weight:600;}
.matrix__head{
  background:rgba(240,83,43,.16);
}
.matrix__head .matrix__cell{color:#fff;font-weight:700;font-size:14px;letter-spacing:.02em;}
.matrix__head .matrix__cell:first-child{color:#fff;}
.matrix__cell em{font-style:normal;color:var(--gold);font-weight:700;}

/* ============ 要点清单 ============ */
.check-list{display:grid;gap:14px;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease;
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.check-list i{color:var(--lava);margin-top:5px;font-size:15px;flex:0 0 auto;}
.check-list strong{display:block;font-size:16px;margin-bottom:2px;}
.check-list span{color:var(--text-2);font-size:14px;}

/* ============ 图文区 ============ */
.figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--white);box-shadow:var(--sh-card);
}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.figure figcaption{
  padding:14px 18px;font-size:13px;color:var(--text-3);
  border-top:1px solid var(--line);
}
.prose p{color:var(--text-2);font-size:16px;}
.prose h3{margin:24px 0 10px;}

/* ============ FAQ ============ */
.faq-wrap .accordion{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:var(--white);box-shadow:var(--sh-card);
}
.faq-wrap .accordion-item{border-bottom:1px solid var(--line);}
.faq-wrap .accordion-item:last-child{border-bottom:0;}
.faq-wrap .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 22px;min-height:56px;font-size:16px;font-weight:600;color:var(--ink);
  border:0;background:transparent;transition:background-color .2s ease,color .2s ease;
}
.faq-wrap .accordion-title:hover{background:var(--sand);color:var(--lava);}
.faq-wrap .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--lava);order:2;transition:transform .2s ease;
}
.faq-wrap .accordion-item.is-active .accordion-title::before{content:"\f068";transform:rotate(180deg);}
.faq-wrap .accordion-title span{order:1;flex:1 1 auto;}
.faq-wrap .accordion-content{
  background:var(--sand);padding:18px 22px;border:0;
  color:var(--text-2);font-size:15px;line-height:1.85;
}
.faq-wrap .accordion-content p{margin:0;}

/* ============ CTA ============ */
.cta-band{
  position:relative;background:var(--ink);color:var(--dark-text);
  padding:88px 0 104px;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 30px);
}
.cta-band .container{position:relative;z-index:2;}
.cta-band h2{color:#fff;max-width:640px;}
.cta-band p{color:var(--dark-text-2);max-width:600px;margin-top:14px;}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:44px;max-width:860px;
}
.trust-row div{
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--dark-text-2);
  border:1px solid rgba(255,255,255,.1);border-radius:var(--r-btn);padding:12px 14px;
}
.trust-row i{color:var(--gold);}
.cta-cut{
  position:absolute;left:0;right:0;bottom:-1px;height:56px;
  background:var(--ink);clip-path:polygon(0 0,100% 62%,100% 100%,0 100%);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:var(--dark-text-2);
  padding:64px 0 28px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:repeating-linear-gradient(90deg,rgba(245,241,233,.28) 0 8px,transparent 8px 20px);
  opacity:.4;
}
.site-footer .brand__name{color:#fff;}
.site-footer .brand__sub{color:var(--dark-text-2);}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--dark-text-2);}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--dark-text-2);}
.footer-links a:hover{color:var(--lava);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.6;color:var(--dark-text-2);}
.footer-contact i{color:var(--lava);margin-top:5px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  h1{font-size:40px;}
  h2{font-size:29px;}
  .container{padding:0 24px;}
}
@media (max-width:991px){
  body{padding-top:106px;}
  .nav-top{height:58px;}
  .nav-chan__scroll{height:48px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:19px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .container{padding:0 24px;}
  .nav-search{display:none;}
  .nav-search.is-open{
    display:flex;position:absolute;left:0;right:0;top:58px;
    margin:0;max-width:none;border-radius:0;border-left:0;border-right:0;z-index:70;
  }
  .search-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .nav-cta{height:40px;padding:0 16px;font-size:14px;}
  .hero-banner{padding:52px 0 84px;}
  .hero-stats{grid-template-columns:1fr;gap:18px;max-width:100%;}
  .hero-stats__item{padding:0;border-left:0;border-top:1px solid rgba(255,255,255,.18);padding-top:14px;}
  .hero-stats__item:first-child{border-top:0;padding-top:0;}
  .timeline__item{grid-template-columns:48px 1fr;gap:16px;}
  .timeline__ring{width:48px;height:48px;font-size:16px;}
  .timeline__item::before{left:23px;top:44px;}
  .matrix__row{grid-template-columns:1fr 1fr;}
  .matrix__cell{border-left:1px solid rgba(255,255,255,.12);}
  .matrix__cell:nth-child(odd){border-left:0;}
  .matrix__row+.matrix__row{border-top:1px solid rgba(255,255,255,.12);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:64px 0 84px;}
  .trust-row{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{padding-top:106px;font-size:16px;}
  .container{padding:0 16px;}
  h1{font-size:31px;}
  h2{font-size:24px;}
  .grid-x.g-x-24{margin-left:-8px;margin-right:-8px;}
  .grid-x.g-x-24>.cell{padding-left:8px;padding-right:8px;}
  .hero__actions .btn{width:100%;}
  .hero-banner{padding:40px 0 76px;}
  .matrix__row{grid-template-columns:1fr;}
  .matrix__cell{border-left:0;border-top:1px solid rgba(255,255,255,.12);}
  .matrix__cell:first-child{border-top:0;background:rgba(255,255,255,.04);}
  .matrix__head .matrix__cell:first-child{background:transparent;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .cta__actions .btn{width:100%;}
  .timeline__item{grid-template-columns:1fr;gap:12px;}
  .timeline__item::before{display:none;}
  .timeline__ring{width:44px;height:44px;}
}
@media (max-width:519px){
  .brand__name{font-size:16px;}
  .nav-cta{display:none;}
  .card__body{padding:18px;}
  .section{padding:56px 0;}
}