/* roulang page: index */
:root{
  --ink:#15181e;
  --ink-2:#3d434e;
  --ink-3:#6d7480;
  --amber:#f2a900;
  --amber-bright:#ffc247;
  --amber-deep:#b97c00;
  --amber-soft:#fff5d8;
  --bg:#fbf8f1;
  --surface:#ffffff;
  --surface-2:#f5f0e4;
  --line:#e7e0d2;
  --line-strong:#d6cbb6;
  --radius-xs:8px;
  --radius-s:12px;
  --radius:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-s:0 1px 2px rgba(21,24,30,.05);
  --shadow:0 16px 40px -22px rgba(21,24,30,.34);
  --shadow-l:0 34px 70px -36px rgba(21,24,30,.42);
  --max:1160px;
  --ease:cubic-bezier(.22,.68,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.72;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;}
svg{display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{list-style:none;padding:0;}
strong{font-weight:800;}
::selection{background:var(--amber-bright);color:#1b1500;}
:focus-visible{outline:2px solid var(--amber-deep);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--amber-bright),var(--amber));
  color:#231a02;font-weight:900;font-size:1.05rem;
  box-shadow:0 8px 18px -10px rgba(242,169,0,.95);
  letter-spacing:-.02em;
}
.brand-text{display:flex;align-items:baseline;gap:7px;line-height:1.15;}
.brand-text strong{font-size:1.02rem;letter-spacing:-.01em;white-space:nowrap;}
.brand-text em{
  font-style:normal;font-size:.72rem;font-weight:800;
  color:var(--amber-deep);background:var(--amber-soft);
  border:1px solid rgba(185,124,0,.22);
  padding:2px 7px;border-radius:6px;letter-spacing:.04em;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:.925rem;font-weight:600;color:var(--ink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:var(--surface-2);}
.nav-link.is-active{color:var(--ink);font-weight:800;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--amber);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-cta{
  padding:9px 18px;border-radius:999px;font-size:.9rem;font-weight:700;
  border:1px solid var(--line-strong);color:var(--ink);background:var(--surface);
  transition:all .22s var(--ease);
}
.nav-cta:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;transition:background .2s;}
.nav-toggle:hover{background:var(--surface-2);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .2s;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;
  font-size:.96rem;font-weight:800;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn i{font-size:.85em;}
.btn-primary{background:var(--amber);color:#231a02;box-shadow:0 14px 30px -16px rgba(242,169,0,1);}
.btn-primary:hover{background:var(--amber-bright);transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(242,169,0,1);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:rgba(255,255,255,.34);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow);}

/* ========== 首屏 ========== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 82% -8%, rgba(242,169,0,.28), transparent 62%),
    radial-gradient(700px 380px at 4% 100%, rgba(242,169,0,.10), transparent 66%),
    linear-gradient(168deg,#1b1e25 0%,#14161b 52%,#0d0f13 100%);
  color:#fff;
  padding:82px 0 76px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:860px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;
  background:rgba(242,169,0,.14);
  border:1px solid rgba(242,169,0,.38);
  color:#ffd97a;font-size:.82rem;font-weight:700;letter-spacing:.06em;
  margin-bottom:26px;
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber-bright);box-shadow:0 0 0 4px rgba(242,169,0,.18);}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.3rem);
  line-height:1.18;letter-spacing:-.022em;font-weight:900;
  margin-bottom:22px;
}
.hero h1 .hl{
  background:linear-gradient(180deg,transparent 60%,rgba(242,169,0,.55) 60%);
  padding:0 3px;
}
.hero-lead{
  font-size:clamp(1rem,1.5vw,1.1rem);
  color:rgba(255,255,255,.76);
  max-width:700px;line-height:1.85;
  margin-bottom:36px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:54px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  overflow:hidden;
}
.hero-stats li{background:rgba(255,255,255,.035);padding:20px 22px;}
.hero-stats strong{display:block;font-size:1.6rem;font-weight:900;color:var(--amber-bright);line-height:1.2;letter-spacing:-.02em;}
.hero-stats span{display:block;font-size:.82rem;color:rgba(255,255,255,.62);margin-top:4px;letter-spacing:.03em;}

/* ========== 通用板块 ========== */
.section{padding:88px 0;}
.section-tight{padding:70px 0;}
.section-alt{background:var(--surface-2);}
.section-white{background:var(--surface);}
.section-dark{background:var(--ink);color:#fff;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head h2{
  font-size:clamp(1.6rem,2.9vw,2.25rem);
  line-height:1.28;letter-spacing:-.02em;font-weight:900;
}
.section-head p{margin-top:16px;color:var(--ink-3);font-size:1rem;line-height:1.85;}
.section-dark .section-head p{color:rgba(255,255,255,.66);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.78rem;font-weight:800;letter-spacing:.16em;
  color:var(--amber-deep);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--amber);}
.section-dark .eyebrow{color:var(--amber-bright);}

/* ========== 网格 ========== */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

/* ========== 处境卡片 ========== */
.pain-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 26px;
  box-shadow:var(--shadow-s);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  position:relative;overflow:hidden;
}
.pain-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--amber),rgba(242,169,0,0));
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.pain-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-strong);}
.pain-card:hover::before{transform:scaleX(1);}
.pain-icon{
  width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;
  background:var(--amber-soft);color:var(--amber-deep);
  font-size:1.05rem;margin-bottom:18px;
}
.pain-card h3{font-size:1.08rem;font-weight:800;margin-bottom:10px;letter-spacing:-.01em;}
.pain-card p{font-size:.92rem;color:var(--ink-3);line-height:1.8;}

/* ========== 服务线 ========== */
.svc-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:32px 28px 28px;
  box-shadow:var(--shadow-s);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  overflow:hidden;
}
.svc-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,169,0,.18),transparent 70%);
  opacity:0;transition:opacity .3s var(--ease);
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-l);border-color:rgba(242,169,0,.55);}
.svc-card:hover::after{opacity:1;}
.svc-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--ink);color:var(--amber-bright);
  font-size:.85rem;font-weight:900;letter-spacing:.02em;
  margin-bottom:20px;
}
.svc-card h3{font-size:1.2rem;font-weight:900;letter-spacing:-.015em;margin-bottom:12px;}
.svc-card>p{font-size:.93rem;color:var(--ink-3);line-height:1.82;margin-bottom:18px;}
.svc-list{margin-bottom:26px;display:grid;gap:9px;}
.svc-list li{
  position:relative;padding-left:19px;
  font-size:.885rem;color:var(--ink-2);line-height:1.7;
}
.svc-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:2px;
  background:var(--amber);transform:rotate(45deg);
}
.svc-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:.9rem;font-weight:800;color:var(--ink);
  padding-top:16px;border-top:1px dashed var(--line);
  transition:color .2s var(--ease);
}
.svc-link i{transition:transform .24s var(--ease);font-size:.82em;color:var(--amber-deep);}
.svc-card:hover .svc-link{color:var(--amber-deep);}
.svc-card:hover .svc-link i{transform:translateX(5px);}

/* ========== 流程 ========== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.step{position:relative;padding-top:26px;border-top:2px solid rgba(255,255,255,.14);}
.step::before{
  content:"";position:absolute;left:0;top:-2px;width:0;height:2px;
  background:var(--amber);transition:width .4s var(--ease);
}
.step:hover::before{width:64px;}
.step-num{
  font-size:2.1rem;font-weight:900;line-height:1;
  color:rgba(242,169,0,.9);letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:1.05rem;font-weight:800;margin-bottom:10px;}
.step p{font-size:.9rem;color:rgba(255,255,255,.62);line-height:1.8;}

/* ========== 案例 ========== */
.case-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:30px 28px;
  display:flex;flex-direction:column;gap:16px;
  box-shadow:var(--shadow-s);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.case-tag{
  display:inline-flex;align-self:flex-start;
  padding:5px 12px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);
  font-size:.76rem;font-weight:800;color:var(--ink-2);letter-spacing:.04em;
}
.case-card h3{font-size:1.06rem;font-weight:900;line-height:1.45;letter-spacing:-.01em;}
.case-card p{font-size:.9rem;color:var(--ink-3);line-height:1.82;}
.case-metric{
  margin-top:auto;padding-top:18px;border-top:1px dashed var(--line);
  display:flex;align-items:baseline;gap:10px;
}
.case-metric strong{font-size:1.55rem;font-weight:900;color:var(--amber-deep);letter-spacing:-.03em;line-height:1;}
.case-metric span{font-size:.82rem;color:var(--ink-3);}

/* ========== 适用场景 ========== */
.fit-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.fit-text h2{font-size:clamp(1.55rem,2.7vw,2.1rem);line-height:1.3;letter-spacing:-.02em;font-weight:900;margin-bottom:18px;}
.fit-text p{color:var(--ink-3);font-size:.98rem;line-height:1.9;margin-bottom:18px;}
.tags{display:flex;flex-wrap:wrap;gap:11px;}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line-strong);
  font-size:.88rem;font-weight:700;color:var(--ink-2);
  transition:all .22s var(--ease);
}
.tag:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px);}
.tag i{font-size:.78em;color:var(--amber-deep);transition:color .2s;}
.tag:hover i{color:var(--amber-bright);}
.fit-panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-xl);padding:36px;
  box-shadow:var(--shadow);
}
.fit-panel h3{font-size:1.05rem;font-weight:800;margin-bottom:20px;display:flex;align-items:center;gap:10px;}
.fit-panel h3 i{color:var(--amber-deep);}
.fit-list{display:grid;gap:16px;}
.fit-list li{display:flex;gap:14px;align-items:flex-start;font-size:.93rem;color:var(--ink-2);line-height:1.75;}
.fit-list .dot{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:var(--amber-soft);color:var(--amber-deep);
  display:grid;place-items:center;font-size:.7rem;font-weight:900;margin-top:3px;
}

/* ========== FAQ ========== */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:rgba(242,169,0,.55);box-shadow:0 14px 34px -24px rgba(21,24,30,.4);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:21px 24px;cursor:pointer;
  font-size:1rem;font-weight:800;letter-spacing:-.01em;
  list-style:none;
  transition:color .2s var(--ease);
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::after{
  content:"+";flex-shrink:0;
  width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface-2);color:var(--amber-deep);
  font-size:1.1rem;font-weight:700;line-height:1;
  transition:transform .26s var(--ease),background .22s,color .22s;
}
.faq-item[open] .faq-q::after{content:"−";background:var(--amber);color:#231a02;}
.faq-item:hover .faq-q{color:var(--amber-deep);}
.faq-a{padding:0 24px 24px;color:var(--ink-3);font-size:.93rem;line-height:1.88;}

/* ========== CTA ========== */
.cta-section{padding:0 0 92px;}
.cta-wrap{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  padding:66px 56px;
  background:
    radial-gradient(620px 320px at 88% 0%, rgba(242,169,0,.34), transparent 66%),
    linear-gradient(140deg,#1c1f27,#0e1014 82%);
  color:#fff;
  box-shadow:var(--shadow-l);
}
.cta-wrap::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:640px;}
.cta-wrap h2{font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.28;letter-spacing:-.02em;font-weight:900;margin-bottom:18px;}
.cta-wrap p{color:rgba(255,255,255,.72);font-size:.98rem;line-height:1.85;margin-bottom:32px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ========== 页脚 ========== */
.site-footer{background:#101216;color:rgba(255,255,255,.66);padding:64px 0 0;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.09);}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{background:rgba(242,169,0,.16);border-color:rgba(242,169,0,.3);color:var(--amber-bright);}
.footer-brand p{font-size:.9rem;line-height:1.85;max-width:380px;color:rgba(255,255,255,.55);}
.footer-col h4{font-size:.88rem;font-weight:800;color:#fff;letter-spacing:.05em;margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:.88rem;color:rgba(255,255,255,.58);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--amber-bright);}
.footer-contact li{font-size:.88rem;line-height:1.8;color:rgba(255,255,255,.58);}
.footer-contact li strong{color:rgba(255,255,255,.86);font-weight:700;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:24px 0 30px;font-size:.82rem;color:rgba(255,255,255,.38);
}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:var(--amber-bright);}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 26px;}
  .fit-wrap{grid-template-columns:1fr;gap:36px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-brand{grid-column:1/-1;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .cta-wrap{padding:54px 40px;}
}
@media (max-width:900px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);
    padding:12px 16px 18px;
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:13px 14px;font-size:.96rem;border-radius:10px;}
  .nav-link.is-active{background:var(--amber-soft);}
  .nav-link.is-active::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-inner{height:66px;gap:14px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .hero{padding:56px 0 60px;}
  .hero-actions{margin-bottom:40px;}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:28px;}
  .section-head{margin-bottom:36px;}
  .cta-section{padding-bottom:64px;}
  .cta-wrap{padding:44px 26px;border-radius:var(--radius-l);}
  .footer-top{grid-template-columns:1fr;gap:32px;}
  .fit-panel{padding:28px 24px;}
  .brand-text strong{font-size:.95rem;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero h1{font-size:1.72rem;line-height:1.26;}
  .hero-lead{font-size:.94rem;}
  .hero-stats strong{font-size:1.35rem;}
  .hero-stats li{padding:16px 16px;}
  .btn{padding:13px 22px;font-size:.9rem;width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .svc-card,.pain-card,.case-card{padding:24px 20px;}
  .faq-q{padding:18px 18px;font-size:.93rem;}
  .faq-a{padding:0 18px 20px;font-size:.9rem;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-mark{width:36px;height:36px;font-size:.95rem;}
}

/* roulang page: category2 */
:root{
  --ink:#171310;
  --ink-soft:#2b2521;
  --muted:#6f665c;
  --line:#e7ded0;
  --paper:#fbf7f0;
  --surface:#ffffff;
  --brand:#f2b30a;
  --brand-light:#f8d46a;
  --brand-deep:#b67900;
  --accent:#d9542a;
  --radius-s:10px;
  --radius:16px;
  --radius-l:26px;
  --shadow-s:0 2px 10px rgba(23,19,16,.06);
  --shadow:0 14px 34px rgba(23,19,16,.10);
  --shadow-l:0 28px 60px rgba(23,19,16,.18);
  --max:1180px;
  --nav-h:74px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-deep)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{
  margin:0 0 .6em;
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
  color:var(--ink);
}
h1{font-size:clamp(30px,4.1vw,50px)}
h2{font-size:clamp(24px,2.9vw,36px)}
h3{font-size:19px}
h4{font-size:15px}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(242,179,10,.55);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:86px 0}
.section-tight{padding:64px 0}
.section-alt{background:#fff}
.section-head{max-width:730px;margin-bottom:44px}
.section-head p{color:var(--muted);margin-bottom:0}
.kicker{
  display:inline-block;
  font-size:12px;
  font-weight:800;
  letter-spacing:.2em;
  color:var(--brand-deep);
  margin-bottom:12px;
}
.section-head h2{margin-bottom:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--brand-light),var(--brand));color:#241a05;box-shadow:0 12px 26px rgba(242,179,10,.34)}
.btn-primary:hover{color:#241a05;transform:translateY(-2px);box-shadow:0 18px 34px rgba(242,179,10,.42)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#f5efe3;background:rgba(255,255,255,.04)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-s)}
.btn-outline:hover{border-color:#dcae4a;color:var(--brand-deep);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,247,240,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(23,19,16,.09)}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:22px;height:var(--nav-h);position:relative;
}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(140deg,#f9cf55,#e09200);
  color:#241a05;display:grid;place-items:center;
  font-size:20px;font-weight:900;
  box-shadow:0 8px 18px rgba(224,146,0,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:900;letter-spacing:.01em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.34em;color:var(--muted);margin-top:2px}
.brand:hover .brand-text strong{color:var(--ink)}

.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-block;
  padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:#4a4238;
  transition:background-color .2s ease,color .2s ease;
}
.nav-link:hover{background:#f2e9d8;color:var(--ink)}
.nav-link.is-active{background:var(--ink);color:#fff}
.nav-link.is-active:hover{background:#241d16;color:#fff}

.nav-actions{display:flex;align-items:center;gap:12px}
.nav-cta{
  display:inline-flex;align-items:center;
  padding:11px 22px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand-light),var(--brand));
  color:#241a05;font-size:14px;font-weight:800;
  box-shadow:0 10px 22px rgba(242,179,10,.3);
  transition:transform .2s ease,box-shadow .2s ease,color .2s ease;
}
.nav-cta:hover{color:#241a05;transform:translateY(-2px);box-shadow:0 16px 28px rgba(242,179,10,.4)}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;
  background:#fff;border:1px solid var(--line);border-radius:12px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:74px 0 88px;
  color:#f5efe3;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(242,179,10,.22), transparent 62%),
    radial-gradient(700px 400px at 92% 8%, rgba(217,84,42,.18), transparent 60%),
    linear-gradient(160deg,#1a1511 0%,#221a12 55%,#2c2115 100%);
}
.hero::before{
  content:"";position:absolute;inset:auto -80px -140px auto;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(242,179,10,.18),transparent 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;
  grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;
  background:rgba(242,179,10,.14);
  border:1px solid rgba(242,179,10,.36);
  color:#f7ca52;font-size:13px;font-weight:700;letter-spacing:.05em;
  margin-bottom:22px;
}
.hero h1{color:#fff;margin-bottom:18px}
.hero h1 span{color:#f7ca52}
.hero-lead{
  color:rgba(245,239,227,.78);
  font-size:17px;line-height:1.85;max-width:610px;margin-bottom:0;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 30px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.15);
  color:#efe7d8;font-size:13px;font-weight:600;
}
.tag i{color:#f7ca52;font-size:12px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-points{display:grid;gap:10px}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(245,239,227,.76)}
.hero-points i{color:#f7ca52;margin-top:5px;font-size:13px}

.hero-card{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-l);
  padding:30px;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:0 30px 60px rgba(0,0,0,.28);
}
.hero-card h3{color:#fff;font-size:16px;margin-bottom:6px}
.hero-card .card-sub{font-size:13px;color:rgba(245,239,227,.6);margin-bottom:22px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.stat{
  padding:16px;border-radius:14px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);
}
.stat strong{display:block;font-size:26px;font-weight:900;color:#f7ca52;line-height:1.25}
.stat span{display:block;font-size:12.5px;color:rgba(245,239,227,.66);margin-top:4px}
.hero-card-foot{
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(245,239,227,.66);display:flex;align-items:center;gap:9px;
}
.hero-card-foot i{color:#f7ca52}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#e3d3b3}
.card-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:#fdf2d4;color:var(--brand-deep);
  font-size:19px;margin-bottom:18px;
}
.card h3{margin-bottom:10px;font-size:18px}
.card p{color:var(--muted);font-size:14.5px;margin-bottom:0}
.card-note{
  display:inline-block;margin-top:16px;
  font-size:12.5px;font-weight:700;color:var(--brand-deep);
  padding:4px 12px;border-radius:999px;background:#fdf6e3;
}

/* ---------- 流程 ---------- */
.process-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.step{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.step-num{
  flex:0 0 46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--ink);color:#f7ca52;
  font-weight:900;font-size:15px;letter-spacing:.02em;
}
.step-body h3{font-size:17px;margin-bottom:8px}
.step-body p{color:var(--muted);font-size:14.5px;margin-bottom:0}

/* ---------- 场景 ---------- */
.scenario-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scenario{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-s);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.scenario:hover{border-color:#e2cf9f;box-shadow:var(--shadow)}
.scenario i{
  flex:0 0 40px;height:40px;border-radius:12px;
  display:grid;place-items:center;font-size:16px;
  background:#fdf2d4;color:var(--brand-deep);
}
.scenario h3{font-size:16px;margin-bottom:6px}
.scenario p{color:var(--muted);font-size:14px;margin-bottom:0}

/* ---------- 深色交付标准 ---------- */
.band{
  background:
    radial-gradient(700px 320px at 88% 0%, rgba(242,179,10,.16), transparent 60%),
    linear-gradient(150deg,#1b1611,#251b10);
  color:#f4eee1;padding:82px 0;
}
.band h2{color:#fff}
.band .section-head p{color:rgba(244,238,225,.68)}
.deliver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.deliver{
  padding:22px;border-radius:14px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  transition:background-color .22s ease,border-color .22s ease,transform .22s ease;
}
.deliver:hover{background:rgba(255,255,255,.09);border-color:rgba(247,202,82,.42);transform:translateY(-3px)}
.deliver strong{display:block;color:#f7ca52;font-size:15px;margin-bottom:7px;font-weight:800}
.deliver span{font-size:14px;color:rgba(244,238,225,.72)}
.band-foot{
  margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.12);
  color:rgba(244,238,225,.7);font-size:14px;
}
.band-foot .btn{margin-left:auto}

/* ---------- 口碑 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 26px 24px;
  box-shadow:var(--shadow-s);
}
.quote::before{
  content:"”";position:absolute;top:6px;right:22px;
  font-size:56px;line-height:1;color:#f4e6c4;font-weight:900;
}
.quote p{color:#3b352d;font-size:14.5px;margin-bottom:18px;position:relative;z-index:1}
.quote-by{font-size:13px;font-weight:700;color:var(--muted)}
.quote-by span{display:block;font-weight:500;color:#96908a;font-size:12.5px;margin-top:3px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:880px}
.faq{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px 24px;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.faq:hover{border-color:#e0d0ad}
.faq[open]{border-color:#e6c98f;box-shadow:var(--shadow-s);background:#fffdf8}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";flex:0 0 26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:#fdf2d4;color:var(--brand-deep);
  font-size:17px;font-weight:900;line-height:1;
  transition:background-color .2s ease,color .2s ease;
}
.faq[open] summary::after{content:"–";background:var(--ink);color:#f7ca52}
.faq p{margin:16px 0 0;color:var(--muted);font-size:14.5px}

/* ---------- 联系区 ---------- */
.contact-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;
  padding:50px;border-radius:var(--radius-l);
  background:
    radial-gradient(600px 300px at 0% 0%, rgba(242,179,10,.2), transparent 62%),
    linear-gradient(140deg,#1b1611,#2a2014);
  color:#f4eee1;
  box-shadow:var(--shadow-l);
}
.contact-copy h2{color:#fff;margin-bottom:14px}
.contact-copy p{color:rgba(244,238,225,.74);font-size:15px}
.contact-list{margin-top:26px;display:grid;gap:12px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(244,238,225,.78)}
.contact-list i{color:#f7ca52;margin-top:5px;font-size:13px}
.contact-list strong{color:#fff;font-weight:700}

.form-card{background:#fff;border-radius:20px;padding:30px;color:var(--ink);box-shadow:var(--shadow)}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:#4a4238;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;
  font-family:inherit;font-size:15px;color:var(--ink);
  background:#fdfbf6;border:1px solid var(--line);border-radius:10px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:92px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(242,179,10,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#a9a19a}
.form-card .btn{width:100%;margin-top:6px}
.form-note{
  margin-top:14px;font-size:13px;color:var(--brand-deep);
  font-weight:700;min-height:20px;
}
.form-tip{font-size:12.5px;color:#96908a;margin-top:8px;margin-bottom:0}

/* ---------- 页脚 ---------- */
.site-footer{background:#14100c;color:#c9c0b2;padding:64px 0 0}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:44px;
  padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#a89c8c}
.footer-brand p{color:#9c9284;font-size:14px;margin-top:18px;max-width:380px;line-height:1.8}
.footer-col h4{color:#f3ece0;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px;font-size:14px}
.footer-col a{color:#b9afa1}
.footer-col a:hover{color:#f7ca52}
.footer-contact li{color:#9c9284;font-size:13.5px;line-height:1.7}
.footer-contact strong{color:#dcd3c4;font-weight:700}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  padding:22px 0;font-size:13px;color:#8b8174;
}
.footer-bottom a{color:#b9afa1}
.footer-bottom a:hover{color:#f7ca52}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-lead{max-width:100%}
  .hero-card{max-width:640px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .deliver-grid{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr;max-width:720px}
  .contact-wrap{grid-template-columns:1fr;gap:34px;padding:40px}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:calc(var(--nav-h) + 8px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;background:#fff;border:1px solid var(--line);
    border-radius:16px;box-shadow:var(--shadow);z-index:90;
  }
  .nav-links.is-open{display:flex}
  .nav-link{padding:12px 16px;border-radius:10px;font-size:15px}
  .nav-link.is-active{background:var(--ink);color:#fff}
  .nav-cta{padding:10px 18px;font-size:13.5px}
}

@media (max-width:768px){
  .section{padding:62px 0}
  .band{padding:60px 0}
  .hero{padding:56px 0 66px}
  .container{padding:0 18px}
  .card-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .scenario-list{grid-template-columns:1fr}
  .deliver-grid{grid-template-columns:1fr}
  .hero-card{padding:24px}
  .stat-grid{gap:14px}
  .contact-wrap{padding:30px 22px;border-radius:22px}
  .form-card{padding:24px}
  .band-foot .btn{margin-left:0}
  .faq{padding:18px 18px}
  .faq summary{font-size:15px;gap:12px}
}

@media (max-width:520px){
  h1{font-size:27px}
  h2{font-size:22px}
  .brand-text strong{font-size:15px}
  .brand-text em{font-size:10px;letter-spacing:.24em}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:18px}
  .nav-cta{display:none}
  .hero-cta .btn{width:100%}
  .stat-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn{padding:13px 22px;font-size:14.5px}
  .step{padding:20px;gap:14px}
  .step-num{flex:0 0 40px;height:40px;font-size:14px}
}

/* roulang page: category1 */
:root{
  --ink:#14161c;
  --ink-2:#2b303b;
  --muted:#69707d;
  --muted-2:#8b92a0;
  --paper:#ffffff;
  --paper-soft:#f6f7f9;
  --paper-warm:#fdf6e7;
  --line:#e5e8ee;
  --line-strong:#cfd5e0;
  --brand:#e8b53a;
  --brand-deep:#a97c12;
  --brand-soft:#fdf3dc;
  --accent:#c8452f;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --shadow-sm:0 2px 8px rgba(20,22,28,.06);
  --shadow:0 12px 32px rgba(20,22,28,.09);
  --shadow-lg:0 24px 60px rgba(20,22,28,.14);
  --space:clamp(56px,7vw,96px);
  --container:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:var(--ink);line-height:1.3;margin:0}
p{margin:0}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--ink)}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand-deep);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:14px;height:74px;position:relative}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,#f4ce6b,#d9a51f);
  color:#3a2a06;font-weight:800;font-size:19px;
  box-shadow:0 6px 14px rgba(217,165,31,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--brand-deep);letter-spacing:.22em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-2);text-decoration:none;
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:var(--paper-soft);color:var(--ink)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:12px}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:999px;
  background:var(--ink);color:#fff;font-size:14.5px;font-weight:600;
  text-decoration:none;white-space:nowrap;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:#000;color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(20,22,28,.22)}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 44px;
  border:1px solid var(--line-strong);border-radius:13px;background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--brand);background:var(--paper-warm)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15.5px;font-weight:600;line-height:1.2;text-decoration:none;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#000;color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(20,22,28,.22)}
.btn-accent{background:var(--brand);color:#332405}
.btn-accent:hover{background:#dca728;color:#332405;transform:translateY(-2px);box-shadow:0 14px 28px rgba(217,165,31,.34)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--brand);background:var(--paper-warm);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(0)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space) 0}
.section-alt{background:var(--paper-soft)}
.section-tight{padding:calc(var(--space) * .72) 0}
.section-head{max-width:740px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;letter-spacing:.06em;
}
.eyebrow.on-dark{background:rgba(232,181,58,.16);color:#f0cd72}
.section-title{font-size:clamp(24px,3.1vw,36px);font-weight:700;letter-spacing:-.015em;margin:16px 0 14px}
.section-desc{color:var(--muted);font-size:16.5px;line-height:1.85}
.section-desc strong{color:var(--ink-2);font-weight:600}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(44px,6vw,76px) 0 var(--space);
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(232,181,58,.20),transparent 62%),
    radial-gradient(700px 380px at 4% 8%,rgba(232,181,58,.10),transparent 60%),
    linear-gradient(180deg,#fdf9ef 0%,#ffffff 72%);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--line);
}
.hero-copy{padding-right:6px}
.hero h1{
  font-size:clamp(30px,4.3vw,48px);font-weight:800;letter-spacing:-.025em;
  line-height:1.18;margin:20px 0 20px;
}
.hero h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(232,181,58,.45) 62%);
  padding:0 2px;
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-points{
  list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;
  margin-top:28px;font-size:14.5px;color:var(--ink-2);
}
.hero-points li{display:inline-flex;align-items:center;gap:8px}
.hero-points li::before{
  content:"✓";display:inline-flex;align-items:center;justify-content:center;
  width:19px;height:19px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:11px;font-weight:800;
}
.hero-panel{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:30px 28px 26px;
  box-shadow:var(--shadow-lg);overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:5px;
  background:linear-gradient(90deg,var(--brand),#f6dc9a);
}
.hero-panel h3{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin:6px 0 8px}
.panel-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:16px 0;border-bottom:1px dashed var(--line);
}
.panel-row:last-of-type{border-bottom:0}
.panel-row b{font-size:27px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.panel-row b small{font-size:15px;font-weight:700;margin-left:2px}
.panel-row span{font-size:13.5px;color:var(--muted);text-align:right;line-height:1.5}
.panel-note{
  margin-top:18px;padding:13px 15px;border-radius:12px;
  background:var(--paper-warm);color:#7c5a06;
  font-size:13.5px;line-height:1.7;
}

/* ---------- 卡片 ---------- */
.grid-x{align-items:stretch}
.cell > .card,.cell > article{height:100%}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.card-tag{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:38px;padding:0 12px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:14px;font-weight:800;letter-spacing:.02em;margin-bottom:16px;
}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- 清单区块 ---------- */
.list-intro{padding-right:10px}
.list-intro .section-title{margin-top:14px}
.list-intro-note{
  margin-top:22px;padding:18px 20px;border-left:3px solid var(--brand);
  background:var(--paper-warm);border-radius:0 14px 14px 0;
  font-size:14.5px;color:#7c5a06;line-height:1.8;
}
.check-list{list-style:none;display:grid;gap:14px}
.check-list li{
  display:flex;gap:16px;padding:20px 22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.check-list li:hover{border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateX(3px)}
.check-list .num{
  flex:0 0 34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:#f5cd6d;font-size:13px;font-weight:800;letter-spacing:.02em;
}
.check-list h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.check-list p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 场景 ---------- */
.scene-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;height:100%;
  box-shadow:var(--shadow-sm);transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.scene-card:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-4px)}
.scene-card .dot{
  width:10px;height:10px;border-radius:50%;background:var(--brand);
  display:inline-block;margin-right:9px;vertical-align:middle;
}
.scene-card h3{display:inline;font-size:17.5px;font-weight:700;vertical-align:middle}
.scene-card p{margin-top:12px;font-size:14.8px;color:var(--muted);line-height:1.85}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.flow-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 20px;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.flow-item:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-4px)}
.flow-item::before{
  content:"";position:absolute;top:0;left:20px;right:20px;height:3px;border-radius:0 0 4px 4px;
  background:var(--brand);opacity:.85;
}
.flow-item .step-no{
  display:inline-block;padding:3px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:800;letter-spacing:.08em;
}
.flow-item h3{font-size:16.5px;font-weight:700;margin:14px 0 8px}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.78}

/* ---------- 深色交付区 ---------- */
.dark-band{
  background:linear-gradient(160deg,#1b1e26 0%,#14161c 62%,#1f232c 100%);
  border-radius:var(--radius-lg);
  padding:clamp(32px,4.6vw,56px);
  color:#dfe3ea;position:relative;overflow:hidden;
}
.dark-band::before{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(232,181,58,.22),transparent 68%);
  pointer-events:none;
}
.dark-band h2{color:#fff;font-size:clamp(23px,2.9vw,33px);font-weight:700;letter-spacing:-.015em;margin:16px 0 14px}
.dark-band p{color:#a9b1bf;font-size:15.5px;line-height:1.9}
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.metric{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:20px 18px;
  transition:background .25s ease,border-color .25s ease;
}
.metric:hover{background:rgba(255,255,255,.09);border-color:rgba(232,181,58,.5)}
.metric b{display:block;font-size:23px;font-weight:800;color:#f2cd74;letter-spacing:-.01em;line-height:1.3}
.metric span{display:block;margin-top:7px;font-size:13.5px;color:#9aa3b1;line-height:1.65}
.dark-band .mini-link{
  display:inline-flex;align-items:center;gap:7px;margin-top:26px;
  color:#f2cd74;font-weight:600;font-size:15px;
}
.dark-band .mini-link:hover{color:#fff}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq[open]{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.faq summary{
  list-style:none;cursor:pointer;
  padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16.5px;font-weight:700;color:var(--ink);
  transition:color .2s ease,background .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--paper-warm);color:var(--brand-deep)}
.faq summary::after{
  content:"+";flex:0 0 26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:16px;font-weight:800;line-height:1;
}
.faq[open] summary::after{content:"–"}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.9}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#fdf3dc 0%,#fffaf0 52%,#f8eccb 100%);
  border:1px solid #f0e0b6;border-radius:var(--radius-lg);
  padding:clamp(36px,5vw,62px);
  text-align:center;
}
.cta-band::after{
  content:"";position:absolute;left:50%;top:-120px;transform:translateX(-50%);
  width:520px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,181,58,.28),transparent 70%);
  pointer-events:none;
}
.cta-band h2{position:relative;font-size:clamp(24px,3.2vw,36px);font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.cta-band p{position:relative;max-width:640px;margin:0 auto;color:#6b5a2e;font-size:16px;line-height:1.9}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px}
.cta-meta{position:relative;margin-top:22px;font-size:14px;color:#8a7433}
.cta-meta a{color:#7c5a06;font-weight:600;border-bottom:1px solid rgba(124,90,6,.35)}
.cta-meta a:hover{color:var(--ink);border-bottom-color:var(--ink)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#a9b1bf;margin-top:var(--space)}
.footer-top{
  display:grid;grid-template-columns:1.7fr 1fr 1.25fr;gap:44px;
  padding:56px 0 42px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#e2bd60}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#959db0;max-width:380px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;display:grid;gap:11px}
.footer-col a{color:#a3abb9;font-size:14.5px}
.footer-col a:hover{color:#f2cd74}
.footer-contact li{font-size:14.5px;line-height:1.7;color:#959db0}
.footer-contact strong{color:#e6e9ef;font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:22px 0 34px;font-size:13.5px;color:#7f8798;
}
.footer-bottom a{color:#b8c0ce}
.footer-bottom a:hover{color:#f2cd74}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .flow-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:980px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 18px;margin:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 32px rgba(20,22,28,.12);
  }
  .nav-links.is-open{display:flex}
  .nav-link{padding:12px 15px;border-radius:12px;font-size:15.5px}
  .nav-actions{margin-left:auto}
  .hero-copy{padding-right:0;margin-bottom:34px}
  .hero-sub{max-width:100%}
}
@media (max-width:768px){
  .section{padding:calc(var(--space) * .8) 0}
  .section-head{margin-bottom:32px}
  .hero{padding-top:36px}
  .hero-actions .btn{flex:1 1 200px}
  .card{padding:24px 22px}
  .flow-item{padding:22px 18px}
  .metrics{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:30px;padding:44px 0 34px}
  .cta-actions .btn{flex:1 1 220px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav-inner{height:66px;gap:8px}
  .brand-mark{width:36px;height:36px;flex-basis:36px;font-size:17px}
  .brand-text strong{font-size:14.5px}
  .brand-text em{font-size:10.5px;letter-spacing:.18em}
  .nav-cta{padding:9px 15px;font-size:13.5px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .hero-panel{padding:24px 20px 20px}
  .panel-row b{font-size:23px}
  .check-list li{padding:17px 16px;gap:12px}
  .faq summary{padding:17px 18px;font-size:15.5px}
  .faq-body{padding:0 18px 18px;font-size:14.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --ink:#1a1509;
  --ink-soft:#4d4636;
  --ink-mute:#7d7563;
  --bg:#fffdf6;
  --bg-alt:#fdf7e6;
  --surface:#ffffff;
  --line:#e9e1cc;
  --line-strong:#d8cda9;
  --brand:#d99a08;
  --brand-deep:#a97504;
  --brand-soft:#fdf0c7;
  --accent:#1d6a58;
  --accent-soft:#e6f2ee;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --shadow-sm:0 2px 8px rgba(30,24,10,.06);
  --shadow:0 12px 32px rgba(30,24,10,.09);
  --shadow-lg:0 24px 60px rgba(30,24,10,.14);
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:36px;
  --space-5:56px;
  --space-6:80px;
  --maxw:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto;display:block;}

a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--accent);}

h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}

button{font-family:inherit;}

:focus-visible{
  outline:3px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,253,246,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}

.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-3);
  min-height:74px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  flex:0 0 auto;
}
.brand:hover{color:var(--ink);}

.brand-mark{
  width:40px;
  height:40px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;
  font-weight:800;
  font-size:19px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(217,154,8,.32);
}

.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;letter-spacing:.01em;}
.brand-text em{
  font-style:normal;
  font-size:11.5px;
  letter-spacing:.28em;
  color:var(--brand-deep);
  font-weight:700;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}

.nav-link{
  display:inline-block;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-soft);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
.nav-link.is-active{background:var(--ink);color:#fff8e6;}
.nav-link.is-active:hover{background:var(--ink);color:#fff8e6;}

.nav-actions{display:flex;align-items:center;gap:10px;}

.nav-cta{
  display:inline-block;
  padding:11px 22px;
  border-radius:999px;
  background:var(--brand);
  color:#221a05;
  font-weight:800;
  font-size:14.5px;
  box-shadow:0 8px 20px rgba(217,154,8,.28);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-cta:hover{
  background:var(--brand-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(169,117,4,.34);
}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line-strong);
  border-radius:12px;
  background:var(--surface);
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:19px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 88% 8%,rgba(217,154,8,.20),transparent 46%),
    radial-gradient(circle at 4% 92%,rgba(29,106,88,.16),transparent 44%),
    linear-gradient(160deg,#211b0d 0%,#2e2513 58%,#171208 100%);
  color:#f7f1df;
  padding:76px 0 84px;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  mask-image:radial-gradient(circle at 50% 40%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 20%,transparent 78%);
}
.hero .container{position:relative;z-index:2;}

.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:var(--space-5);
  align-items:center;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:999px;
  border:1px solid rgba(217,154,8,.42);
  background:rgba(217,154,8,.14);
  color:#f6d27a;
  font-size:13px;
  font-weight:700;
  letter-spacing:.05em;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(217,154,8,.20);
}

.hero h1{
  margin:22px 0 18px;
  font-size:clamp(30px,4.2vw,50px);
  color:#fffdf4;
  letter-spacing:-.02em;
}
.hero h1 .hl{
  color:#f6c96a;
  position:relative;
  white-space:nowrap;
}
.hero p.lead{
  font-size:17px;
  line-height:1.85;
  color:#cfc6ad;
  max-width:36em;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-size:15.5px;
  font-weight:800;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{
  background:var(--brand);
  color:#221a05;
  box-shadow:0 12px 28px rgba(217,154,8,.32);
}
.btn-primary:hover{
  background:#f0ac10;
  color:#1a1509;
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(217,154,8,.40);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(217,154,8,.30);}
.btn-ghost{
  background:transparent;
  color:#f2ead4;
  border-color:rgba(247,241,223,.36);
}
.btn-ghost:hover{
  background:rgba(247,241,223,.12);
  color:#fff;
  border-color:rgba(247,241,223,.66);
  transform:translateY(-2px);
}
.btn-dark{
  background:var(--ink);
  color:#fff8e6;
  box-shadow:var(--shadow);
}
.btn-dark:hover{background:#2c2412;color:#fff;transform:translateY(-2px);}
.btn-outline{
  background:var(--surface);
  color:var(--ink);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-sm);
}
.btn-outline:hover{
  border-color:var(--brand);
  color:var(--brand-deep);
  transform:translateY(-2px);
  box-shadow:var(--shadow);
}

.hero-metrics{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.metric{
  background:rgba(255,253,244,.07);
  border:1px solid rgba(247,241,223,.16);
  border-radius:var(--radius);
  padding:22px 20px;
  backdrop-filter:blur(4px);
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.metric:hover{
  transform:translateY(-4px);
  border-color:rgba(217,154,8,.55);
  background:rgba(255,253,244,.11);
}
.metric strong{
  display:block;
  font-size:30px;
  font-weight:800;
  color:#f6c96a;
  line-height:1.1;
  letter-spacing:-.02em;
}
.metric span{
  display:block;
  margin-top:8px;
  font-size:13.5px;
  color:#c3baa1;
  line-height:1.6;
}

/* ---------- sections ---------- */
.section{padding:var(--space-6) 0;}
.section-alt{background:var(--bg-alt);}
.section-tight{padding:var(--space-5) 0;}

.section-head{max-width:760px;margin-bottom:var(--space-5);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

.tagline{
  display:inline-block;
  font-size:13px;
  font-weight:800;
  letter-spacing:.18em;
  color:var(--brand-deep);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  margin-bottom:16px;
}
.section-head p{
  color:var(--ink-soft);
  font-size:16.5px;
  line-height:1.9;
}

/* ---------- tiles ---------- */
.tile-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.tile{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;
  flex-direction:column;
  gap:12px;
  height:100%;
}
.tile:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow);
  border-color:var(--line-strong);
}
.tile-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-weight:800;
  font-size:15px;
}
.tile h3{font-size:18px;}
.tile p{color:var(--ink-soft);font-size:14.8px;line-height:1.8;}

.badge{
  display:inline-block;
  padding:4px 11px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  background:var(--accent-soft);
  color:var(--accent);
  letter-spacing:.02em;
}
.badge-gold{background:var(--brand-soft);color:var(--brand-deep);}

/* ---------- flow ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
  counter-reset:step;
}
.flow-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 20px 24px;
  box-shadow:var(--shadow-sm);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.flow-item:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--shadow);}
.flow-item::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
  color:var(--brand-deep);
  margin-bottom:12px;
}
.flow-item h3{font-size:16.5px;margin-bottom:10px;}
.flow-item p{font-size:14px;color:var(--ink-soft);line-height:1.75;}

/* ---------- scenes ---------- */
.scene-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.scene{
  display:flex;
  gap:16px;
  padding:24px;
  border-radius:var(--radius);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,transform .25s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.scene-ico{
  flex:0 0 auto;
  width:46px;height:46px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);
  color:var(--accent);
  font-weight:800;
  font-size:17px;
}
.scene h3{font-size:17px;margin-bottom:8px;}
.scene p{font-size:14.6px;color:var(--ink-soft);line-height:1.8;}

/* ---------- data strip ---------- */
.data-band{
  background:linear-gradient(150deg,#221b0c 0%,#332913 62%,#181206 100%);
  color:#f5eeda;
  border-radius:var(--radius-lg);
  padding:44px 40px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:26px;
  box-shadow:var(--shadow-lg);
}
.data-band .item{border-left:2px solid rgba(217,154,8,.55);padding-left:18px;}
.data-band .item:first-child{border-left:none;padding-left:0;}
.data-band strong{display:block;font-size:29px;color:#f6c96a;line-height:1.1;letter-spacing:-.02em;}
.data-band span{display:block;margin-top:9px;font-size:13.6px;color:#c6bda3;line-height:1.65;}

/* ---------- notes ---------- */
.notes{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
  margin-top:var(--space-4);
}
.note-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:5px solid var(--brand);
  border-radius:var(--radius);
  padding:26px 26px 24px;
  box-shadow:var(--shadow-sm);
}
.note-card h3{font-size:18px;margin-bottom:14px;}
.check-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:11px;
  color:var(--ink-soft);
  font-size:15px;
  line-height:1.8;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:14px;height:8px;
  border-left:2.5px solid var(--accent);
  border-bottom:2.5px solid var(--accent);
  transform:rotate(-45deg);
  border-radius:1px;
}

/* ---------- faq ---------- */
.faq{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item[open]{border-color:var(--brand);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 56px 20px 24px;
  font-weight:800;
  font-size:16px;
  color:var(--ink);
  position:relative;
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-deep);background:#fffbf0;}
.faq-item summary::after{
  content:"";
  position:absolute;
  right:24px;top:50%;
  width:10px;height:10px;
  border-right:2.5px solid var(--brand-deep);
  border-bottom:2.5px solid var(--brand-deep);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .25s ease;
  border-radius:1px;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-body{
  padding:0 24px 22px;
  color:var(--ink-soft);
  font-size:15px;
  line-height:1.9;
  border-top:1px dashed var(--line);
  margin-top:2px;
  padding-top:16px;
}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:linear-gradient(130deg,var(--brand) 0%,#e8b126 46%,#c98c05 100%);
  color:#20180a;
  padding:54px 46px;
  display:grid;
  grid-template-columns:1.3fr .7fr;
  gap:34px;
  align-items:center;
  box-shadow:0 26px 60px rgba(201,140,5,.30);
}
.cta-band::before{
  content:"";
  position:absolute;
  width:340px;height:340px;
  border-radius:50%;
  background:rgba(255,255,255,.20);
  right:-120px;top:-140px;
}
.cta-band h2{font-size:clamp(23px,2.8vw,33px);color:#20180a;margin-bottom:14px;position:relative;}
.cta-band p{position:relative;color:#3b2e10;font-size:16px;line-height:1.85;max-width:34em;}
.cta-actions{position:relative;display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.cta-actions .btn-dark{background:#20180a;}
.cta-actions .btn-outline{background:rgba(255,255,255,.92);border-color:rgba(32,24,10,.18);color:#20180a;}
.cta-actions .btn-outline:hover{background:#fff;color:var(--brand-deep);}

.contact-line{
  margin-top:16px;
  font-size:14px;
  color:#4a3a12;
  position:relative;
}

/* ---------- footer ---------- */
.site-footer{
  background:#161207;
  color:#c9c0a9;
  padding:64px 0 0;
  margin-top:var(--space-6);
  border-top:4px solid var(--brand);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#fffdf4;margin-bottom:18px;}
.footer-brand .brand:hover{color:#fffdf4;}
.footer-brand .brand-text em{color:#eab948;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#a79e88;max-width:34em;}
.footer-col h4{
  font-size:14px;
  letter-spacing:.14em;
  color:#eab948;
  margin-bottom:16px;
  font-weight:800;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  color:#bdb49e;
  font-size:14.5px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul li a:hover{color:#f6c96a;padding-left:4px;}
.footer-contact li{font-size:14.5px;color:#a79e88;line-height:1.85;}
.footer-contact strong{color:#ded5bd;font-weight:700;}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#8d8471;
}
.footer-bottom a{color:#c0b79f;}
.footer-bottom a:hover{color:#f6c96a;}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:var(--space-4);}
  .hero{padding:60px 0 66px;}
  .hero-metrics{grid-template-columns:repeat(4,minmax(0,1fr));}
  .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(3,minmax(0,1fr));}
  .data-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:36px 30px;}
  .data-band .item:nth-child(3){border-left:none;padding-left:0;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;}
  .footer-brand{grid-column:1 / -1;}
}

@media screen and (max-width:768px){
  .nav-toggle{display:flex;}
  .nav-inner{flex-wrap:wrap;min-height:66px;row-gap:0;}
  .nav-links{
    order:3;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin-left:0;
    max-height:0;
    overflow:hidden;
    transition:max-height .32s ease,padding .32s ease;
  }
  .nav-links.is-open{max-height:420px;padding:10px 0 18px;}
  .nav-link{
    border-radius:12px;
    padding:12px 14px;
    font-size:15.5px;
  }
  .nav-actions{margin-left:auto;}
  .nav-cta{display:none;}
  .section{padding:var(--space-5) 0;}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-list{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .notes{grid-template-columns:1fr;}
  .section-head{margin-bottom:var(--space-4);}
  .footer-top{grid-template-columns:1fr;gap:30px;}
  .cta-band{padding:36px 24px;border-radius:var(--radius);}
}

@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .hero{padding:44px 0 52px;}
  .hero h1{font-size:27px;line-height:1.32;}
  .hero h1 .hl{white-space:normal;}
  .hero p.lead{font-size:15.4px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;padding:13px 20px;}
  .tile-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .hero-metrics{grid-template-columns:1fr 1fr;gap:10px;}
  .metric{padding:16px 14px;}
  .metric strong{font-size:24px;}
  .data-band{grid-template-columns:1fr;padding:28px 22px;}
  .data-band .item{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.10);padding-top:16px;}
  .data-band .item:first-child{border-top:none;padding-top:0;}
  .section-head h2{font-size:23px;}
  .faq-item summary{padding:17px 46px 17px 18px;font-size:15px;}
  .faq-body{padding:14px 18px 18px;font-size:14.4px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category4 */
:root{
  --ink:#14161b;
  --ink-soft:#242832;
  --muted:#6a7080;
  --muted-2:#8b91a0;
  --paper:#ffffff;
  --sand:#f8f5ee;
  --sand-2:#efe9db;
  --line:#e5dfd0;
  --line-2:#d8d1bf;
  --brand:#e2a92b;
  --brand-soft:#f8e7bb;
  --brand-deep:#b17c14;
  --green:#1f4b3f;
  --green-soft:#e3ede8;
  --radius-s:10px;
  --radius:18px;
  --radius-l:26px;
  --shadow-s:0 1px 2px rgba(20,22,27,.05),0 10px 26px -20px rgba(20,22,27,.35);
  --shadow:0 20px 56px -32px rgba(20,22,27,.5);
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--green);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid rgba(226,169,43,.55);outline-offset:2px;border-radius:6px;
}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.28;font-weight:800;letter-spacing:.2px;color:var(--ink);}
h1{font-size:clamp(28px,3.4vw,46px);}
h2{font-size:clamp(23px,2.4vw,34px);}
h3{font-size:clamp(18px,1.5vw,21px);}
h4{font-size:16px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:clamp(56px,7vw,96px) 0;}
.section--sand{background:var(--sand-2);}
.section--paper{background:var(--paper);}
.section-head{max-width:760px;margin-bottom:clamp(28px,3.6vw,46px);}
.section-head p{color:var(--muted);font-size:16.5px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-deep);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow i{font-size:12px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  display:grid;place-items:center;font-weight:800;font-size:20px;color:#3a2a06;
  background:linear-gradient(150deg,#f6cf72,#e2a92b 55%,#c98f16);
  box-shadow:0 8px 18px -10px rgba(177,124,20,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.3px;}
.brand-text em{font-style:normal;font-size:11.5px;letter-spacing:.32em;color:var(--brand-deep);font-weight:700;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink-soft);
}
.nav-link:hover{background:var(--sand-2);color:var(--ink);}
.nav-link.is-active{color:var(--ink);background:var(--brand-soft);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand-deep);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-cta{
  display:inline-block;padding:10px 20px;border-radius:999px;
  background:var(--ink);color:#fff;font-size:14.5px;font-weight:700;
  box-shadow:0 10px 24px -16px rgba(20,22,27,.9);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.nav-cta:hover{background:var(--green);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-2);border-radius:12px;
  background:#fff;padding:0;place-items:center;gap:4px;grid-auto-flow:row;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(226,169,43,.30),transparent 62%),
    radial-gradient(700px 380px at 92% 8%,rgba(31,75,63,.62),transparent 60%),
    linear-gradient(160deg,#171a20,#14161b 58%,#1b1f27);
  padding:clamp(52px,6.4vw,92px) 0 clamp(48px,6vw,80px);
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:320px;
  background:radial-gradient(closest-side,rgba(226,169,43,.18),transparent);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;
  gap:clamp(28px,4vw,56px);align-items:start;
}
.hero .eyebrow{background:rgba(226,169,43,.16);color:#f5d489;border:1px solid rgba(226,169,43,.32);}
.hero h1{color:#fff;margin-bottom:18px;}
.hero h1 .hl{color:#f6cf72;}
.hero-lead{color:rgba(255,255,255,.78);font-size:17px;max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15.5px;font-weight:700;
  border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn i{font-size:14px;}
.btn-primary{background:linear-gradient(140deg,#f2c765,#e2a92b 60%,#c9901a);color:#3a2a06;box-shadow:0 16px 34px -20px rgba(226,169,43,.95);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 40px -22px rgba(226,169,43,1);color:#2f2205;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--green);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line-2);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14.5px;color:rgba(255,255,255,.72);}
.hero-points li{display:inline-flex;align-items:center;gap:8px;}
.hero-points i{color:#f6cf72;font-size:12px;}
.hero-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-l);
  padding:26px 24px;
  backdrop-filter:blur(6px);
  box-shadow:0 30px 70px -40px rgba(0,0,0,.9);
}
.hero-card h3{color:#fff;font-size:17px;margin-bottom:6px;}
.hero-card .card-sub{color:rgba(255,255,255,.6);font-size:13.5px;margin-bottom:18px;}
.hero-card ol{counter-reset:step;display:grid;gap:14px;}
.hero-card ol li{
  position:relative;padding-left:38px;font-size:14.5px;color:rgba(255,255,255,.86);
}
.hero-card ol li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;font-size:11.5px;font-weight:800;color:#f6cf72;
  background:rgba(226,169,43,.16);border:1px solid rgba(226,169,43,.34);
}
.hero-card .card-foot{
  margin-top:20px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.18);
  display:flex;justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.6);
}
.hero-card .card-foot strong{color:#f6cf72;font-weight:800;}

/* ---------- cards / grid ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-s);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2);}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:18px;margin-bottom:16px;
}
.card h3{margin-bottom:8px;}
.card p{color:var(--muted);font-size:15px;margin:0;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--green);
  background:var(--green-soft);border-radius:999px;padding:4px 11px;
}

/* ---------- stats ---------- */
.stats{
  background:linear-gradient(150deg,#1c2028,#14161b 70%);
  color:#fff;border-radius:var(--radius-l);
  padding:clamp(30px,4vw,44px);
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  box-shadow:var(--shadow);
}
.stat{border-left:2px solid rgba(226,169,43,.5);padding-left:18px;}
.stat strong{display:block;font-size:clamp(24px,2.6vw,32px);color:#f6cf72;line-height:1.2;margin-bottom:4px;}
.stat span{font-size:14px;color:rgba(255,255,255,.68);}

/* ---------- scenes ---------- */
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(28px,4vw,56px);align-items:start;}
.scene-list{display:grid;gap:14px;}
.scene-item{
  display:grid;grid-template-columns:40px 1fr;gap:16px;align-items:start;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-s);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.scene-item:hover{border-color:var(--brand);transform:translateX(3px);}
.scene-item .num{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--sand-2);color:var(--brand-deep);font-weight:800;font-size:13px;
}
.scene-item h4{margin:0 0 4px;font-size:16px;}
.scene-item p{margin:0;font-size:14.5px;color:var(--muted);}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:p;}
.step{
  position:relative;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 20px 22px;box-shadow:var(--shadow-s);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.step::before{
  counter-increment:p;content:"0" counter(p);
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.12em;
  color:#3a2a06;background:var(--brand-soft);border-radius:8px;padding:3px 9px;margin-bottom:14px;
}
.step h4{margin:0 0 6px;font-size:16px;}
.step p{margin:0;font-size:14px;color:var(--muted);}

/* ---------- cases ---------- */
.case{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.case-top{
  padding:22px 22px 16px;
  background:linear-gradient(140deg,var(--sand-2),#fbf9f4);
  border-bottom:1px solid var(--line);
}
.case-top .kicker{font-size:12.5px;font-weight:800;letter-spacing:.12em;color:var(--brand-deep);}
.case-top h3{margin:8px 0 0;font-size:18px;}
.case-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.case-body p{margin:0;font-size:14.5px;color:var(--muted);}
.case-body ul{display:grid;gap:8px;margin-top:auto;}
.case-body li{display:flex;gap:9px;font-size:14px;color:var(--ink-soft);}
.case-body li i{color:var(--green);font-size:12px;margin-top:6px;}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:900px;}
.faq details{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-s);
  padding:0 22px;box-shadow:var(--shadow-s);transition:border-color .2s var(--ease);
}
.faq details[open]{border-color:var(--brand);}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 34px 18px 0;position:relative;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:0;top:20px;font-size:12px;color:var(--brand-deep);
  transition:transform .25s var(--ease);
}
.faq details[open] summary::after{transform:rotate(180deg);}
.faq .answer{padding:0 0 20px;font-size:15px;color:var(--muted);border-top:1px dashed var(--line);margin-top:-2px;padding-top:14px;}

/* ---------- contact ---------- */
.contact-wrap{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:0;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow);
}
.contact-info{
  padding:clamp(28px,4vw,46px);
  background:linear-gradient(160deg,#1b1f27,#14161b 65%);
  color:#fff;
}
.contact-info h2{color:#fff;margin-bottom:12px;}
.contact-info p{color:rgba(255,255,255,.72);font-size:15px;}
.contact-list{display:grid;gap:14px;margin-top:24px;}
.contact-list li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.82);}
.contact-list i{color:#f6cf72;margin-top:4px;}
.contact-list strong{color:#fff;font-weight:700;}
.contact-form{padding:clamp(28px,4vw,46px);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-soft);margin-bottom:6px;}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:#fdfcf9;border:1px solid var(--line-2);border-radius:var(--radius-s);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;}
.field input:hover,.field textarea:hover,.field select:hover{border-color:var(--muted-2);}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(226,169,43,.16);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-note{font-size:13px;color:var(--muted);margin:12px 0 0;}
.form-msg{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--radius-s);
  background:var(--green-soft);color:var(--green);font-size:14px;font-weight:600;
  border:1px solid rgba(31,75,63,.18);
}
.form-msg.is-show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:clamp(44px,5vw,68px) 0 26px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.5fr .8fr 1fr;gap:clamp(26px,4vw,48px);padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text strong,.footer-brand .brand-text em{color:#fff;}
.footer-brand .brand-text em{color:#f6cf72;}
.footer-brand p{font-size:14.5px;color:rgba(255,255,255,.6);margin:0;max-width:420px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:14.5px;}
.footer-col a:hover{color:#f6cf72;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.6;}
.footer-contact strong{color:rgba(255,255,255,.88);font-weight:700;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#f6cf72;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(3,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .nav-links{
    position:absolute;left:16px;right:16px;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:12px;box-shadow:var(--shadow);display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;}
  .nav-link.is-active::after{display:none;}
  .nav-toggle{display:grid;}
  .nav-cta{display:none;}
  .nav-inner{position:relative;min-height:66px;}
}
@media (max-width:768px){
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .field-row{grid-template-columns:1fr;}
  .hero{padding-top:44px;}
  .footer-top{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .grid-4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;gap:16px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{font-size:10.5px;letter-spacing:.24em;}
  .brand-mark{width:38px;height:38px;flex-basis:38px;font-size:18px;}
  .hero-actions .btn{width:100%;}
  .hero-card .card-foot{flex-direction:column;gap:6px;}
  .case-body{padding:18px;}
}