/* roulang page: index */
:root{
  --paper:#F7F3EA;
  --paper-2:#F2ECDF;
  --card:#FFFFFF;
  --pine:#185A50;
  --pine-deep:#0D3A34;
  --pine-soft:#DDEAE4;
  --clay:#E16E3F;
  --clay-dark:#C8552D;
  --ink:#202A28;
  --muted:#63746F;
  --line:#E7E0D2;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
  --radius:16px;
  --radius-sm:10px;
  --shadow-card:0 1px 2px rgba(15,45,40,.04),0 10px 24px -18px rgba(15,45,40,.18);
  --shadow-hover:0 4px 10px rgba(15,45,40,.07),0 25px 40px -28px rgba(15,45,40,.25);
  --space-section:clamp(72px,9vw,110px) 0;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:var(--font-sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.75;
  margin:0;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--pine);text-decoration:none;transition:color .25s ease}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(225,110,63,.55);outline-offset:3px;border-radius:6px}
p{margin:0 0 1em}
h1,h2,h3,h4,h5{font-family:var(--font-serif);color:var(--pine-deep);line-height:1.32;margin:0 0 .65em}
ul{margin:0;padding:0;list-style:none}
figure{margin:0}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section-title{font-size:clamp(1.7rem,2.8vw,2.3rem);letter-spacing:.5px}
.section-lead{color:var(--muted);font-size:1.05rem;max-width:640px;margin-bottom:0}
.section-head{margin-bottom:46px}
.section-head--split{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px}
.muted{color:var(--muted)}
.icon-wrap{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;background:var(--pine-soft);color:var(--pine);font-size:1.2rem;flex:0 0 auto}
.text-clay{color:var(--clay)}
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  font:500 .98rem var(--font-sans);
  letter-spacing:.4px;
  padding:12px 22px;
  border-radius:999px;
  border:1px solid transparent;
  transition:background .25s,border-color .25s,color .25s,transform .25s,box-shadow .25s;
  cursor:pointer;min-height:46px;text-align:center;line-height:1.2;
}
.btn svg,.btn i{font-size:.95rem}
.btn-clay{background:var(--clay);color:#fff}
.btn-clay:hover{background:var(--clay-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(225,110,63,.25)}
.btn-solid-pine{background:var(--pine);color:#fff}
.btn-solid-pine:hover{background:var(--pine-deep);color:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:rgba(224,236,230,.55);color:#fff;background:rgba(13,58,52,.12)}
.btn-ghost-light{border-color:var(--pine);color:var(--pine);background:#fff}
.btn-ghost-light:hover{border-color:var(--pine-deep);background:var(--pine);color:#fff}
.btn-line{border-color:var(--line);color:var(--pine);background:#fff}
.btn-line:hover{border-color:var(--clay);color:var(--clay)}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  font-size:.78rem;font-weight:600;letter-spacing:.4px;
  background:var(--pine-soft);color:var(--pine);
}
.tag-light{background:#F2F1EA;color:var(--muted);border:1px solid var(--line)}
.badge{
  display:inline-flex;background:var(--clay);color:#fff;font-size:.72rem;font-weight:700;
  padding:4px 10px;border-radius:999px;letter-spacing:.5px;
}
.badge-pine{background:var(--pine)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--pine);font-weight:600;font-size:.88rem;letter-spacing:1px;
  padding:8px 16px;background:rgba(221,234,228,.75);border-radius:999px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:99px;background:var(--clay);display:inline-block}

/* Header */
.top-info{background:var(--pine-deep);color:#EAEBE3;font-size:.82rem}
.top-info-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:38px;display:flex;align-items:center;gap:18px;}
.top-info .top-domain{font-family:var(--font-num);letter-spacing:.2px;font-weight:500;color:#E9F1EC}
.top-info .top-brief{color:rgba(230,239,234,.75)}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.top-actions a{color:#FFF;font-size:.8rem;opacity:.9}
.top-actions a:hover{opacity:1}
.top-actions .split{width:1px;height:12px;background:rgba(255,255,255,.3)}
.main-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 6px 20px -24px rgba(15,45,40,.2)}
.header-row{max-width:var(--container);margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 auto;
  background:var(--pine);position:relative;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -6px rgba(13,58,52,.42);
}
.brand-mark::after{content:"";width:22px;height:14px;border:2px solid #F7F3EA;border-top:none;border-radius:0 0 12px 12px;margin-top:5px;opacity:.9}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .cn{font-family:var(--font-serif);font-size:1.35rem;font-weight:700;color:var(--pine-deep);letter-spacing:2px}
.brand-text .sub{font-family:var(--font-sans);font-size:.6rem;color:var(--muted);letter-spacing:2.2px;font-weight:500}
.desktop-nav{display:flex;align-items:center;gap:34px;margin-left:auto}
.nav-link{position:relative;font-weight:500;color:var(--ink);padding:6px 0;font-size:.98rem;letter-spacing:.3px;white-space:nowrap}
.nav-link:hover{color:var(--pine)}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;border-radius:99px;background:var(--clay);transition:width .28s ease}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--pine);font-weight:600}
.header-nav-cta{margin-left:12px}
.btn-nav{min-height:40px;padding:9px 20px;font-size:.9rem}
.mobile-toggle{
  display:none;margin-left:auto;border:1px solid var(--line);background:#fff;color:var(--pine);
  width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;font-size:1.3rem;cursor:pointer;
}
.mobile-panel{display:none;background:#fff;border-bottom:1px solid var(--line)}
.mobile-panel menu{padding:8px 0}
.mobile-nav-link{display:block;padding:13px 24px;color:var(--ink);font-weight:500;border-bottom:1px solid rgba(231,224,210,.66)}
.mobile-nav-link.active{color:var(--pine);background:var(--pine-soft)}
.mobile-panel .btn-row{display:flex;gap:12px;padding:18px 24px}
.mobile-panel.menu-expanded{display:block}

/* Hero */
.hero{position:relative;background-color:var(--pine-deep);background-size:cover;background-position:center;color:#F4F2EA;overflow:hidden}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(106deg,rgba(13,58,52,.95) 12%,rgba(24,90,80,.84) 50%,rgba(13,58,52,.38) 100%);}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(360px,.94fr);gap:56px;align-items:center;padding-top:clamp(40px,6vw,88px);padding-bottom:clamp(40px,6vw,90px)}
.hero-copy{padding:12px 0}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);color:#EAF1ED;font-size:.86rem;font-weight:600;letter-spacing:.7px;margin-bottom:22px}
.hero-title{font-size:clamp(2.1rem,4.1vw,3.45rem);color:#fff;line-height:1.22;margin-bottom:18px}
.hero-title .accent{color:#FFE0CF;position:relative;background:linear-gradient(transparent 74%,rgba(225,110,63,.32) 0);padding:0 2px}
.hero-lead{font-size:1.1rem;color:#E4EDE8;line-height:1.9;max-width:530px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-notes{display:flex;flex-wrap:wrap;gap:20px;color:#DAE7E1;font-size:.86rem}
.hero-notes i{color:var(--clay);margin-right:5px}
.hero-visual{position:relative}
.hero-visual-card{
  background:#fff;border-radius:24px;color:var(--ink);overflow:hidden;box-shadow:0 30px 70px -25px rgba(5,30,25,.65);
  border:1px solid rgba(255,255,255,.3);
}
.hero-visual-media{height:220px;background:var(--pine);overflow:hidden}
.hero-visual-media img{width:100%;height:100%;object-fit:cover}
.hero-visual-body{padding:22px 24px 24px}
.hero-visual-body h3{font-size:1.15rem;margin-bottom:4px;color:var(--pine-deep)}
.hero-visual-body p{color:var(--muted);font-size:.9rem;margin-bottom:18px}
.hero-mini-list{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.hero-mini-row{display:flex;align-items:center;gap:12px;color:var(--pine-deep);font-weight:500;font-size:.88rem;background:var(--paper-2);padding:9px 13px;border-radius:12px}
.hero-mini-row i{color:var(--clay);width:20px;text-align:center}
.hero-overlay-chip{
  position:absolute;background:#fff;box-shadow:0 14px 28px rgba(15,45,40,.22);
  padding:10px 16px;border-radius:999px;font-weight:600;color:var(--pine-deep);font-size:.82rem;
  display:flex;align-items:center;gap:8px;
}
.hero-overlay-chip.chip-top{top:16px;right:-8px}
.hero-overlay-chip.chip-bottom{bottom:-10px;left:-4px;background:var(--clay);color:#fff}
.hero-overlay-chip .pulse{width:8px;height:8px;border-radius:99px;background:#34C47C}

/* capability strip */
.capability{background:var(--paper-2);border-bottom:1px solid var(--line)}
.capability-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:var(--line)}
.cap-item{background:var(--paper-2);padding:18px 14px;display:flex;align-items:center;gap:12px;color:var(--pine-deep);font-weight:600;font-size:.94rem;line-height:1.4}
.cap-item i{color:var(--clay);font-size:1.25rem;width:28px;text-align:center}

/* section base */
.section{padding:var(--space-section)}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-soft{background:rgba(221,234,228,.4)}
.section-cta{background:var(--pine-deep)}

/* feature cards */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:26px}
.feature-card{background:var(--card);border:1px solid var(--line);padding:30px 26px;border-radius:var(--radius);box-shadow:var(--shadow-card);transition:transform .3s,box-shadow .3s,border-color .3s}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#CDD9CC}
.feature-card .icon-wrap{margin-bottom:18px}
.feature-card h3{font-size:1.26rem;margin-bottom:9px}
.feature-card p{color:var(--muted);font-size:.95rem}

/* image support card */
.showcase-group{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:26px;margin-top:38px}
.show-card{border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-card);border:1px solid var(--line)}
.show-thumb{height:184px;background:#E5EBE6;overflow:hidden}
.show-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.show-card:hover .show-thumb img{transform:scale(1.04)}
.show-body{padding:20px 20px 22px}
.show-body h3{font-size:1.1rem;margin-bottom:7px}
.show-body p{color:var(--muted);font-size:.9rem;margin-bottom:1px}
.show-meta{display:flex;align-items:center;justify-content:space-between;margin-top:15px}

/* news section */
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-card);transition:transform .3s,box-shadow .3s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.news-card-inner{padding:26px}
.news-card-meta{display:flex;width:100%;justify-content:space-between;align-items:center;margin-bottom:13px;gap:12px}
.news-card-meta time{color:var(--muted);font-family:var(--font-num);font-size:.8rem;white-space:nowrap}
.news-card h3{font-size:1.15rem;line-height:1.5;margin-bottom:10px}
.news-card h3 a{color:var(--pine-deep)}
.news-card h3 a:hover{color:var(--clay)}
.news-card p{color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.92rem;min-height:3.2em}
.read-more{display:inline-flex;align-items:center;gap:6px;color:var(--clay);font-weight:600;font-size:.9rem;margin-top:14px}
.read-more i{transition:transform .2s}
.read-more:hover i{transform:translateX(4px)}
.news-link-wrap{display:inline-flex}
.news-empty{
  background:#fff;border:1px dashed var(--line);color:var(--muted);text-align:center;
  padding:56px 20px;border-radius:var(--radius);font-size:1rem;width:100%;
}

/* plans */
.plans-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:34px 28px;position:relative;box-shadow:var(--shadow-card);transition:transform .3s,box-shadow .3s}
.plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.plan-card.featured{background:var(--pine);color:#F4F6F1;border-color:var(--pine);padding-top:38px}
.plan-card.featured .plan-title,.plan-card.featured .plan-price,.plan-card.featured .plan-sub{color:#fff}
.plan-card.featured .plan-feat{color:rgba(235,245,240,.9)}
.plan-card.featured .plan-feat i{color:#F5B895}
.recommend-badge{position:absolute;top:0;left:50%;transform:translate(-50%,-50%);background:var(--clay);padding:4px 15px;color:#fff;border-radius:999px;font-size:.78rem;font-weight:700;letter-spacing:.5px}
.plan-name{letter-spacing:1.5px;color:var(--pine);font-size:1.15rem;font-weight:700;margin-bottom:6px;font-family:var(--font-sans)}
.plan-sub{font-size:.86rem;color:var(--muted);margin-bottom:22px}
.plan-price{margin-bottom:18px}
.plan-price .number{font-family:var(--font-num);font-weight:600;font-size:2.6rem;letter-spacing:-1px;color:var(--pine-deep);line-height:1}
.plan-card.featured .plan-price .number{color:#fff}
.plan-price .unit{color:var(--muted);font-size:.85rem;display:inline-block;margin-left:4px}
.plan-feat{display:flex;flex-direction:column;gap:13px;margin:22px 0 28px;color:var(--ink);font-size:.9rem}
.plan-feat li{display:flex;gap:10px;align-items:flex-start}
.plan-feat i{margin-top:5px;color:var(--pine);font-size:.9rem}
.plan-card.featured .plan-feat i{color:#FFD8C2}
.plan-btn{width:100%}

/* advantage feature grid */
.advantage-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;align-items:stretch}
.advantage-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);padding:24px 22px;border-radius:16px;align-items:flex-start;transition:box-shadow .28s,transform .28s}
.advantage-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.advantage-card h3{font-size:1.12rem;margin-bottom:6px}
.advantage-card p{color:var(--muted);font-size:.9rem;margin:0}
.advantage-card .icon-wrap{margin-top:2px}

/* banner  */
.insight-banner{position:relative;border-radius:24px;overflow:hidden;background-color:var(--pine-deep);background-size:cover;background-position:center;margin-top:40px}
.insight-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,58,52,.93) 55%,rgba(13,58,52,.35))}
.insight-inner{position:relative;z-index:2;padding:clamp(26px,4.2vw,60px);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px}
.insight-inner h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.2rem);margin-bottom:8px}
.insight-inner p{color:#E5ECE8;margin-bottom:20px;max-width:520px}
.insight-action{flex:0 0 auto}

/* exclusive zone */
.exclusive-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
.exclusive-visual{position:relative;border-radius:22px;overflow:hidden;min-height:330px;background:var(--pine-soft)}
.exclusive-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.exclusive-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(13,58,52,.64),rgba(13,58,52,.12))}
.exclusive-visual-caption{position:absolute;bottom:0;left:0;right:0;z-index:2;color:#fff;padding:28px;font-size:1.04rem;line-height:1.6}
.exclusive-visual-caption strong{display:block;font-size:1.28rem;margin-bottom:4px;font-family:var(--font-serif)}
.exclusive-list{display:flex;flex-direction:column;gap:16px}
.exclusive-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px 20px;display:flex;gap:16px;align-items:center;box-shadow:var(--shadow-card);transition:transform .25s,box-shadow .25s}
.exclusive-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover)}
.ex-ico{width:42px;height:42px;border-radius:12px;background:var(--pine-soft);color:var(--pine);display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex:none}
.ex-content{flex:1 1 auto}
.ex-content h3{font-size:1rem;margin-bottom:3px}
.ex-content p{font-size:.84rem;color:var(--muted);margin:0}
.lock-line{display:inline-flex;align-items:center;gap:5px;color:var(--clay);font-size:.76rem;font-weight:600;margin-top:4px}

/* faq */
.faq-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px}
.faq-intro .section-head{margin-bottom:20px}
.mini-list{display:flex;flex-direction:column;gap:12px;margin-top:22px;border-top:1px solid var(--line);padding-top:22px}
.mini-list li{color:var(--muted);font-size:.9rem;line-height:1.6}
.mini-list i{color:var(--clay);margin-right:7px}
.accordion{border:none;background:transparent}
.accordion-item{background:#fff;border:1px solid var(--line);border-radius:14px !important;margin-bottom:13px;overflow:hidden;transition:.25s}
.accordion-item.is-active{border-color:#B9CCC7;box-shadow:var(--shadow-card)}
.accordion-title{font-family:var(--font-sans);font-size:.98rem;font-weight:600;color:var(--pine-deep);padding:17px 51px 17px 21px;position:relative;display:block;background:#fff;border:none;line-height:1.5}
.accordion-title::before,.accordion-title::after{content:"";position:absolute;right:20px;top:50%;width:16px;height:2px;border-radius:2px;background:var(--clay);transform:translateY(-50%);transition:transform .25s;display:block}
.accordion-title::after{transform:translateY(-50%) rotate(90deg)}
.accordion-item.is-active .accordion-title{background:#fff}
.accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(0)}
.accordion-content{color:#3F4E4A;font-size:.94rem;padding:0 22px 20px;background:#fff;border:none;line-height:1.88}
.accordion-content p{margin-bottom:0}

/* CTA */
.cta-shell{border-radius:24px;background:var(--pine-deep);padding:clamp(34px,5.5vw,65px);text-align:center;position:relative;overflow:hidden}
.cta-shell:before{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(255,255,255,.12);border-radius:99px;top:-160px;right:-70px}
.cta-shell:after{content:"";position:absolute;width:220px;height:220px;border:1px dashed rgba(255,255,255,.14);border-radius:99px;left:60px;bottom:-150px}
.cta-shell h2{color:#fff;font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:10px}
.cta-shell p{color:#E2EAE6;max-width:520px;margin:0 auto 28px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;position:relative;z-index:2}

/* footer */
.footer{background:var(--pine-deep);color:#C4D1CC;padding-top:72px;border-top:7px solid var(--clay)}
.footer-grid{display:grid;grid-template-columns:1.4fr .85fr .9fr 1fr;gap:32px}
.footer-brand .brand-text .cn{color:#fff}
.footer-brand .brand-text .sub{color:#8FB6AC}
.footer-brand p{font-size:.92rem;margin-top:16px;line-height:2}
.footer-title{color:#fff;font-size:1rem;font-weight:600;margin-bottom:18px;letter-spacing:.6px;font-family:var(--font-sans)}
.footer-list a{display:flex;align-items:center;gap:8px;padding:5px 0;color:#C4D1CC;font-size:.9rem}
.footer-list a:hover{color:#fff}
.footer-list a i{font-size:.62rem;color:var(--clay)}
.footer-foot{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:.83rem;color:#98B3AC}
.footer-foot .meta-line a{color:#DAE9E3}
.footer-foot .meta-line a:hover{color:#fff}

/* reveal */
.reveal{animation:fadeUp .7s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* responsive */
@media screen and (max-width:1024px){
  .desktop-nav,.header-nav-cta{display:none}
  .mobile-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:640px;margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media screen and (min-width:1025px){.mobile-panel{display:none!important}}
@media screen and (max-width:768px){
  .plans-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .plan-card.featured{order:-1}
  .faq-layout{grid-template-columns:1fr;gap:16px}
  .advantage-wrap{grid-template-columns:1fr}
  .exclusive-grid{grid-template-columns:1fr}
  .top-info-inner{gap:10px}
  .top-brief{display:none}
  .btn{width:auto}
}
@media screen and (max-width:620px){
  .hero-title{font-size:2rem}
  .hero-lead{font-size:1rem}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .hero-overlay-chip.chip-top{right:-2px}
  .footer-grid{grid-template-columns:1fr}
  .section,.footer{padding-top:52px;padding-bottom:52px}
}
@media screen and (max-width:520px){
  .top-info{font-size:.75rem}
  .top-domain .protocol{display:none}
  .header-row{height:68px}
  .section-title{font-size:1.5rem}
  .cta-shell{padding:34px 22px}
}

/* roulang page: article */
:root {
            --paper: #F7F3EA;
            --paper-deep: #EFE9DC;
            --surface: #FFFFFF;
            --green: #185A50;
            --green-deep: #0D3A34;
            --clay: #E16E3F;
            --clay-deep: #C8552D;
            --ink: #202A28;
            --muted: #63746F;
            --line: #E7E0D2;
            --soft-green: #DDEAE4;
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-card: 0 1px 2px rgba(15, 45, 40, .04), 0 10px 24px -18px rgba(15, 45, 40, .18);
            --shadow-hover: 0 18px 36px -22px rgba(15, 45, 40, .26);
            --container: 1200px;
            --space-section: clamp(72px, 8vw, 96px);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            margin: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

        a {
            color: var(--green);
            text-decoration: none;
            transition: color .22s ease;
        }

        a:hover {
            color: var(--clay);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--clay);
            outline-offset: 3px;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding: 0 24px;
        }

        .skip-link {
            position: absolute;
            left: -999px;
            top: 0;
            background: var(--green);
            color: #fff;
            padding: 10px 18px;
            border-radius: 0 0 12px 0;
            z-index: 1111;
        }

        .skip-link:focus {
            left: 0;
            color: #fff;
        }

        .serif {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .24s ease;
            background: transparent;
            white-space: nowrap;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-clay {
            background: var(--clay);
            border-color: var(--clay);
            color: #fff;
            box-shadow: 0 10px 18px -12px rgba(225, 110, 63, .7);
        }

        .btn-clay:hover {
            background: var(--clay-deep);
            border-color: var(--clay-deep);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 22px -12px rgba(200, 85, 45, .35);
        }

        .btn-green {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }

        .btn-green:hover {
            background: var(--green-deep);
            border-color: var(--green-deep);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline {
            border-color: var(--green);
            color: var(--green);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--soft-green);
            color: var(--green-deep);
            border-color: var(--green);
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            border-color: #fff;
            color: var(--green-deep);
        }

        .btn-light:hover {
            background: var(--soft-green);
            border-color: var(--soft-green);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 30px;
            font-size: 16px;
        }

        .btn-block-mobile {
            width: auto;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-radius: var(--radius-btn);
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.4;
            background: var(--soft-green);
            color: var(--green-deep);
        }

        .badge i {
            font-size: 12px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            padding: 5px 12px;
            font-size: 13px;
            background: #fff;
            color: var(--muted);
        }

        .section {
            padding: var(--space-section) 0;
        }

        .section-head {
            max-width: 860px;
            margin-bottom: 44px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .eyebrow {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .16em;
            text-transform: uppercase;
            color: var(--clay);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .eyebrow::before {
            content: "";
            width: 28px;
            height: 1px;
            background: var(--clay);
        }

        .section-title {
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            line-height: 1.35;
            color: var(--ink);
            margin: 0 0 12px;
            font-weight: 700;
            letter-spacing: .02em;
        }

        .section-sub {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.8;
            margin: 0;
        }

        /* Top info bar */
        .topbar {
            background: var(--green-deep);
            color: rgba(255, 255, 255, .88);
            font-size: 13px;
            min-height: 40px;
            display: flex;
            align-items: center;
        }

        .topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            min-height: 40px;
        }

        .topbar-text {
            color: rgba(255, 255, 255, .75);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            line-height: 1.4;
            font-size: 13px;
        }

        .topbar-text a {
            color: rgba(255, 255, 255, .9);
            font-weight: 600;
        }

        .topbar-text a:hover {
            color: #fff;
        }

        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .topbar-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, .85);
            font-size: 13px;
            padding: 4px 0;
        }

        .topbar-link i {
            font-size: 12px;
        }

        .topbar-link:hover {
            color: var(--clay);
        }

        .topbar-cta {
            border-radius: var(--radius-btn);
            background: var(--clay);
            color: #fff;
            padding: 5px 12px;
            font-size: 13px;
            line-height: 1.4;
        }

        .topbar-cta:hover {
            background: #fff;
            color: var(--green-deep);
        }

        @media (max-width: 640px) {
            .topbar-text span {
                display: none;
            }

            .topbar-inner {
                padding-left: 18px;
                padding-right: 18px;
            }
        }

        /* Main header */
        .main-header {
            position: relative;
            z-index: 100;
            background: rgba(255, 253, 248, .97);
            border-bottom: 1px solid var(--line);
        }

        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: 80px;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex: 0 0 auto;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            background: var(--green);
            border-radius: 14px 14px 20px 20px;
            position: relative;
            display: inline-block;
            flex: 0 0 42px;
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22);
        }

        .brand-mark::before {
            content: "";
            position: absolute;
            inset: 10px 7px auto 7px;
            height: 12px;
            border: 2px solid #fff;
            border-radius: 999px;
            border-bottom-color: transparent;
            transform: rotate(-8deg);
        }

        .brand-mark::after {
            content: "";
            position: absolute;
            inset: auto 11px 8px 11px;
            height: 9px;
            background: rgba(255, 255, 255, .2);
            border-radius: 999px 999px 6px 6px;
            border-bottom: 2px solid #fff;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .brand-text .cn {
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: .04em;
        }

        .brand-text .sub {
            font-family: "Inter", "Helvetica Neue", sans-serif;
            font-size: 10px;
            letter-spacing: .26em;
            text-transform: uppercase;
            color: var(--muted);
            margin-top: 4px;
            font-weight: 500;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: clamp(14px, 2.2vw, 32px);
            margin-left: 8px;
        }

        .nav-link {
            position: relative;
            padding: 14px 2px 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            letter-spacing: .02em;
            border-bottom: 2px solid transparent;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            right: 100%;
            bottom: 0;
            height: 2px;
            background: var(--clay);
            transition: right .25s ease;
        }

        .nav-link:hover {
            color: var(--green);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            right: 0;
        }

        .nav-link.active {
            color: var(--green-deep);
            font-weight: 600;
        }

        .header-nav-cta {
            display: flex;
            align-items: center;
        }

        .btn-nav {
            padding: 10px 18px;
            font-size: 14px;
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            background: var(--soft-green);
            color: var(--green-deep);
            border: 0;
            border-radius: 12px;
            font-size: 20px;
            cursor: pointer;
        }

        .mobile-toggle:hover {
            background: #c7dad1;
        }

        @media (max-width: 1024px) {
            .desktop-nav {
                position: fixed;
                top: 0;
                right: 0;
                height: 100vh;
                width: min(360px, 88vw);
                background: #FFFDF8;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 110px 35px 30px;
                margin: 0;
                box-shadow: -18px 0 45px rgba(0, 0, 0, .14);
                transform: translateX(105%);
                transition: transform .32s ease;
                overflow-y: auto;
                z-index: 1000;
            }

            .desktop-nav.is-open {
                transform: translateX(0);
            }

            .desktop-nav .nav-link {
                width: 100%;
                padding: 15px 0;
                font-size: 17px;
                border-bottom: 1px solid var(--line);
            }

            .desktop-nav .nav-link::after {
                display: none;
            }

            .header-nav-cta {
                margin-left: auto;
            }

            .mobile-toggle {
                display: inline-flex;
            }
        }

        @media (max-width: 560px) {
            .header-nav-cta .btn-nav {
                display: none;
            }

            .header-row {
                min-height: 68px;
                padding: 0 16px;
                gap: 16px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                flex-basis: 36px;
            }

            .brand-text .cn {
                font-size: 19px;
            }
        }

        /* Article head band */
        .article-visual-header {
            position: relative;
            padding: 48px 0 0;
            background: var(--paper);
            border-bottom: 1px solid var(--line);
        }

        .article-visual-header::before {
            content: "";
            position: absolute;
            inset: 0 0 auto;
            height: 170px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 65%;
            opacity: .22;
            pointer-events: none;
        }

        .article-intro-area {
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
            padding-bottom: 56px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            margin-bottom: 26px;
            color: var(--muted);
        }

        .breadcrumb i {
            font-size: 12px;
            color: #A8B8B0;
        }

        .breadcrumb a {
            color: var(--green);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: var(--clay);
        }

        .post-title {
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
            font-size: clamp(1.8rem, 3.6vw, 2.8rem);
            line-height: 1.42;
            font-weight: 700;
            letter-spacing: .02em;
            color: var(--ink);
            margin: 18px 0 20px;
        }

        .post-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--muted);
            font-size: 14px;
            padding-top: 20px;
            border-top: 1px dashed var(--line);
        }

        .post-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .post-meta i {
            color: var(--clay);
        }

        .post-category-badge {
            display: inline-flex;
            align-items: center;
            background: var(--green);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 13px;
            padding: 6px 15px;
            line-height: 1.4;
        }

        @media (max-width: 768px) {
            .article-visual-header {
                padding-top: 28px;
            }

            .breadcrumb {
                font-size: 12px;
                gap: 6px;
            }

            .post-title {
                font-size: 1.5rem;
                line-height: 1.5;
            }

            .post-meta {
                gap: 12px 18px;
            }
        }

        /* Article main layout */
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 54px;
            padding-top: 52px;
            padding-bottom: var(--space-section);
        }

        .article-main-content {
            min-width: 0;
        }

        .article-abstract {
            background: #F0EBDF;
            border: 1px solid var(--line);
            border-left: 4px solid var(--clay);
            border-radius: 12px 16px 16px 12px;
            padding: 22px 26px;
            margin-bottom: 34px;
            font-size: 16px;
            color: #3E4B47;
            line-height: 1.8;
        }

        .article-abstract strong {
            color: var(--green-deep);
        }

        .article-body {
            font-size: 16px;
            line-height: 1.95;
            color: #2B302E;
            word-break: break-word;
        }

        .article-body p {
            margin: 0 0 1.6em;
        }

        .article-body h2 {
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
            font-size: 1.55rem;
            font-weight: 700;
            line-height: 1.5;
            color: var(--green-deep);
            margin: 2.4em 0 .9em;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--line);
        }

        .article-body h3 {
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
            font-size: 1.25rem;
            font-weight: 600;
            line-height: 1.55;
            color: var(--ink);
            margin: 2em 0 .7em;
        }

        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--green);
            margin: 1.8em 0 .6em;
        }

        .article-body img {
            border-radius: 14px;
            margin: 30px 0 18px;
            box-shadow: var(--shadow-card);
        }

        .article-body img + em {
            display: block;
            text-align: center;
            font-style: normal;
            font-size: 13px;
            color: var(--muted);
            margin: -8px 0 1.5em;
        }

        .article-body figure {
            margin: 2em 0;
        }

        .article-body figure img {
            margin: 0 0 10px;
        }

        .article-body figcaption {
            font-size: 13px;
            text-align: center;
            color: var(--muted);
        }

        .article-body blockquote {
            position: relative;
            margin: 2em 0;
            padding: 22px 24px 22px 52px;
            background: var(--soft-green);
            border-radius: 12px;
            color: #29463F;
            font-size: 17px;
            line-height: 1.85;
            border: 0;
        }

        .article-body blockquote p {
            margin: 0;
        }

        .article-body blockquote::before {
            content: "\201C";
            position: absolute;
            left: 18px;
            top: 8px;
            font-size: 44px;
            line-height: 1;
            color: var(--green);
            font-weight: 700;
            font-family: Georgia, serif;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.3em;
            margin: 1.4em 0;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: .55em;
        }

        .article-body li::marker {
            color: var(--clay);
        }

        .article-body a {
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
            font-weight: 500;
        }

        .article-body code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
            background: #EFE9DC;
            border: 1px solid var(--line);
            border-radius: 5px;
            padding: 1px 8px;
            font-size: .89em;
            color: var(--green-deep);
        }

        .article-body pre {
            background: #11302B;
            color: #E5EEE9;
            border-radius: 13px;
            padding: 20px;
            overflow-x: auto;
            line-height: 1.7;
            font-size: 14px;
            margin: 26px 0;
        }

        .article-body pre code {
            background: transparent;
            border: 0;
            color: inherit;
            padding: 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 2em 0;
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0, 0, 0, .04);
        }

        .article-body th,
        .article-body td {
            border: 1px solid var(--line);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body th {
            background: var(--soft-green);
            color: var(--green-deep);
            font-weight: 600;
        }

        .article-body hr {
            margin: 2.2em 0;
            border: 0;
            border-top: 1px dashed var(--line);
        }

        .article-body strong {
            color: #153b34;
            font-weight: 600;
        }

        .article-footer-nav {
            border-top: 1px solid var(--line);
            padding-top: 24px;
            margin-top: 48px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .article-links-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }

        .article-flinks {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
        }

        /* Aside panel */
        .article-aside {
            position: relative;
        }

        .aside-inner {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .aside-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 26px;
        }

        .aside-title {
            font-size: 17px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0 0 18px;
            color: var(--green-deep);
        }

        .aside-title i {
            color: var(--clay);
            font-size: 16px;
        }

        .aside-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .aside-list li {
            border-bottom: 1px solid var(--line);
        }

        .aside-list li:last-child {
            border-bottom: 0;
        }

        .aside-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 0;
            color: var(--ink);
            font-size: 14px;
            line-height: 1.5;
            font-weight: 500;
        }

        .aside-list a i {
            color: var(--green);
            font-size: 14px;
            transition: transform .2s;
        }

        .aside-list a:hover {
            color: var(--clay);
        }

        .aside-list a:hover i {
            transform: translateX(4px);
        }

        .aside-guide-img {
            border-radius: 12px;
            object-fit: cover;
            width: 100%;
            height: 140px;
            margin-bottom: 14px;
            display: block;
        }

        .aside-benefit-card {
            background: var(--green-deep);
            border-radius: var(--radius-card);
            color: #fff;
            padding: 28px 22px;
            position: relative;
            overflow: hidden;
        }

        .aside-benefit-card::after {
            content: "";
            position: absolute;
            width: 130px;
            height: 130px;
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 50%;
            right: -46px;
            bottom: -34px;
        }

        .aside-benefit-card::before {
            content: "";
            position: absolute;
            width: 210px;
            height: 210px;
            border: 1px dashed rgba(255, 255, 255, .12);
            border-radius: 50%;
            right: -90px;
            bottom: -70px;
        }

        .aside-benefit-card h3 {
            font-size: 19px;
            font-weight: 600;
            position: relative;
            z-index: 1;
            margin: 0 0 10px;
            color: #fff;
            font-family: "Noto Serif SC", serif;
        }

        .aside-benefit-card p {
            position: relative;
            z-index: 1;
            margin: 0 0 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, .72);
            line-height: 1.7;
        }

        .aside-benefit-card .btn {
            position: relative;
            z-index: 1;
        }

        @media (max-width: 1060px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .article-aside {
                order: 2;
            }

            .aside-inner {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            @media (max-width: 640px) {
                .aside-inner {
                    grid-template-columns: 1fr;
                }
            }
        }

        /* Empty info */
        .not-found-state {
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 60px 20px;
            border-radius: 18px;
            background: #fff;
            border: 1px solid var(--line);
        }

        .not-found-state .state-icon {
            width: 86px;
            height: 86px;
            border-radius: 50%;
            background: var(--soft-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            color: var(--green);
            margin-bottom: 24px;
        }

        .not-found-state h2 {
            font-size: 26px;
            margin: 0 0 10px;
            color: var(--green-deep);
        }

        .not-found-state p {
            color: var(--muted);
            max-width: 400px;
            margin: 0 auto 28px;
        }

        /* Related category cards */
        .related-section {
            padding: 74px 0;
            background: #F0ECE2;
            border-top: 1px solid var(--line);
        }

        .related-grid {
            display: flex;
            align-items: stretch;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .related-card {
            flex: 1 1 280px;
            max-width: 360px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .22s ease, box-shadow .22s ease;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .related-card figure {
            margin: 0;
            overflow: hidden;
            height: 180px;
        }

        .related-card figure img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .related-card:hover figure img {
            transform: scale(1.05);
        }

        .related-body {
            padding: 20px 22px 24px;
            display: flex;
            flex: 1;
            flex-direction: column;
        }

        .related-kicker {
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--muted);
            margin-bottom: 10px;
        }

        .related-kicker i {
            color: var(--clay);
            margin-right: 4px;
        }

        .related-body h3 {
            font-size: 17px;
            line-height: 1.5;
            font-weight: 600;
            margin: 0 0 8px;
        }

        .related-body h3 a {
            color: var(--ink);
        }

        .related-body p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0 0 14px;
            color: var(--muted);
            flex: 1;
        }

        .related-link {
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--green);
            margin-top: 6px;
        }

        .related-link:hover {
            color: var(--clay);
        }

        /* CTA strip */
        .site-cta {
            background: linear-gradient(114deg, #0F4640 0%, #185A50 58%, #1F6B5A 100%);
            border-radius: 22px;
            margin: var(--space-section) auto;
            max-width: 1160px;
            padding: 64px 44px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .site-cta::before {
            content: "";
            position: absolute;
            width: 360px;
            height: 360px;
            right: -100px;
            top: -140px;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            opacity: .16;
            border-radius: 50%;
        }

        .site-cta::after {
            content: "";
            position: absolute;
            right: 60px;
            bottom: -170px;
            width: 320px;
            height: 220px;
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 60%;
        }

        .site-cta .container-cta {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 32px;
        }

        .cta-content h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            font-family: "Noto Serif SC", serif;
            margin: 0 0 12px;
            line-height: 1.35;
        }

        .cta-content p {
            margin: 0;
            color: rgba(255, 255, 255, .78);
            font-size: 15px;
            max-width: 660px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        @media (max-width: 760px) {
            .site-cta {
                padding: 44px 24px;
            }

            .cta-buttons .btn {
                width: 100%;
            }
        }

        @media (min-width: 521px) {
            .btn-block-mobile {
                width: auto;
            }
        }

        /* Footer */
        .footer {
            background: #0A2D28;
            color: #BFD0C8;
            padding: 76px 0 0;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2.1fr 1fr 1fr 1.2fr;
            gap: 50px;
            padding-bottom: 58px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand .brand .cn {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            margin: 18px 0 0;
            line-height: 1.9;
            color: rgba(220, 237, 231, .78);
            max-width: 340px;
        }

        .footer-brand .company-sign {
            display: flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, .65);
            background: rgba(255, 255, 255, .06);
            border-radius: 999px;
            padding: 7px 14px;
            font-size: 13px;
            margin-top: 20px;
            width: fit-content;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin: 4px 0 20px;
            font-family: "Noto Serif SC", serif;
        }

        .footer-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 11px;
            font-size: 14px;
        }

        .footer-list a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(220, 237, 231, .72);
            transition: all .2s ease;
        }

        .footer-list a i {
            color: var(--clay);
            font-size: 13px;
            transition: transform .2s;
        }

        .footer-list a:hover {
            color: #fff;
        }

        .footer-list a:hover i {
            transform: translateX(4px);
        }

        .footer-foot {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .54);
        }

        .footer-foot .meta-line a {
            color: rgba(255, 255, 255, .7);
            border-bottom: 1px dotted rgba(255, 255, 255, .4);
        }

        .footer-foot .meta-line a:hover {
            color: #fff;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 42px;
            }
        }

        @media (max-width: 560px) {
            .footer {
                padding-top: 60px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 38px;
                padding-bottom: 46px;
            }

            .footer-brand {
                margin-bottom: 10px;
            }

            .footer-foot {
                flex-direction: column;
                text-align: center;
            }
        }

        .mt-1 { margin-top: .5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mt-4 { margin-top: 2rem; }

/* roulang page: category1 */
:root{
    --bg:#F7F3EA;
    --card:#FFFFFF;
    --ink:#202A28;
    --muted:#63746F;
    --line:#E7E0D2;
    --green:#185A50;
    --green-dark:#0D3A34;
    --clay:#E16E3F;
    --clay-dark:#C8552D;
    --soft:#DDEAE4;
    --paper-deep:#F0EBDF;
    --radius:16px;
    --shadow:0 1px 2px rgba(15,45,40,.04),0 10px 24px -18px rgba(15,45,40,.18);
    --shadow-hover:0 6px 14px rgba(15,45,40,.06),0 24px 50px -28px rgba(15,45,40,.28);
}
*,
*::before,
*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    background:var(--bg);
    color:var(--ink);
    line-height:1.75;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit;font-size:inherit;line-height:inherit}
ul,ol{list-style:none}
a:focus-visible,
button:focus-visible,
.faq-q:focus-visible{
    outline:3px solid var(--clay);
    outline-offset:3px;
    border-radius:8px;
}
h1,h2,h3,h4,.serif{
    font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    line-height:1.45;
    font-weight:600;
}
.container{
    width:min(1200px,94%);
    margin-inline:auto;
}
.section{
    padding:96px 0 80px;
}
.section-sub{
    padding-top:0;
}
@media(max-width:900px){
    .section{padding:64px 0}
}
.eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:.82rem;
    font-weight:600;
    letter-spacing:.12em;
    text-transform:uppercase;
    color:var(--clay);
}
.eyebrow::before{
    content:"";
    width:22px;height:2px;
    background:var(--clay);
    border-radius:4px;
}
.text-link{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--green);
    font-weight:600;
    border-bottom:1px solid transparent;
    transition:color .2s, border-color .2s;
}
.text-link:hover{
    color:var(--clay-dark);
    border-color:var(--clay);
}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:46px;
    padding:11px 28px;
    border-radius:999px;
    font-weight:600;
    border:1px solid transparent;
    line-height:1.2;
    transition:all .25s ease;
    cursor:pointer;
    text-align:center;
    white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-large{padding:16px 36px;font-size:1.04rem;min-height:52px}
.btn-clay{
    background:var(--clay);
    color:#fff;
    box-shadow:0 10px 20px rgba(225,110,63,.18);
}
.btn-clay:hover{
    background:var(--clay-dark);
    color:#fff;
    box-shadow:0 14px 28px rgba(200,85,45,.25);
    transform:translateY(-3px);
}
.btn-outline-ink{
    border-color:var(--green);
    color:var(--green);
    background:transparent;
}
.btn-outline-ink:hover{
    background:var(--green);
    color:#fff;
    transform:translateY(-3px);
}
.btn-paper{
    border-color:rgba(255,255,255,.5);
    color:#fff;
    background:rgba(255,255,255,.08);
    backdrop-filter:blur(6px);
}
.btn-paper:hover{
    background:#fff;
    color:var(--green-dark);
    transform:translateY(-3px);
}
/* header */
.main-header{
    position:relative;
    z-index:80;
    background:var(--card);
    box-shadow:0 1px 0 rgba(20,45,40,.05),0 12px 40px -44px rgba(20,45,40,.4);
}
.topbar{
    background:var(--green-dark);
    color:#eee8db;
    font-size:.83rem;
    line-height:36px;
}
.topbar .grid-container{
    width:min(1200px,94%);
    max-width:1200px;
    margin:0 auto;
}
@media screen and (min-width:64em){
    .topbar .grid-container{max-width:1200px}
}
.topbar-inner{
    display:flex;
    align-items:center;
    gap:14px;
    min-height:36px;
}
.topbar-site{
    color:#fff8ed;
    font-weight:600;
    letter-spacing:.02em;
}
.topbar-site:hover{color:var(--clay)}
.topbar-hint{
    color:rgba(239,232,218,.75);
    margin-left:12px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}
.topbar-actions{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:14px;
}
.topbar-actions a{
    font-size:.78rem;
    font-weight:600;
    padding:2px 13px;
    border-radius:999px;
    background:rgba(255,255,255,.1);
    color:#f5efe3;
    transition:.2s;
}
.topbar-actions a:hover{
    background:rgba(255,255,255,.22);
}
.topbar-actions .topbar-cta{
    background:var(--clay);
    border-radius:999px;
}
.topbar-actions .topbar-cta:hover{background:var(--clay-dark)}
.header-row{
    width:min(1200px,94%);
    max-width:1200px;
    margin:0 auto;
    display:flex;
    align-items:center;
    gap:26px;
    min-height:76px;
}
@media(max-width:640px){
    .header-row{gap:12px}
}
.brand{
    display:flex;
    align-items:center;
    gap:12px;
    flex-shrink:0;
}
.brand-mark{
    position:relative;
    flex:0 0 36px;
    width:36px;height:36px;
    border-radius:46% 52% 42% 58%;
    background:var(--green);
    overflow:hidden;
}
.brand-mark::before{
    content:"";
    position:absolute;
    width:18px;height:13px;
    right:-2px;top:7px;
    background:var(--clay);
    border-radius:90% 0 70% 20%;
    transform:rotate(-8deg);
}
.brand-mark::after{
    content:"";
    position:absolute;
    width:9px;height:9px;
    left:5px;bottom:6px;
    border:1px solid rgba(255,255,255,.9);
    border-radius:50%;
    opacity:.9;
}
.brand-text{
    display:flex;
    flex-direction:column;
    line-height:1.15;
    transition:opacity .2s;
}
.brand:hover .brand-text{opacity:.84}
.brand-text .cn{
    font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    font-size:1.42rem;
    font-weight:700;
    letter-spacing:.05em;
    color:var(--green-dark);
}
.brand-text .sub{
    font-size:.6rem;
    letter-spacing:.26em;
    font-weight:600;
    color:var(--muted);
    margin-top:2px;
    text-transform:uppercase;
}
.desktop-nav{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:12px;
}
.desktop-nav .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    padding:7px 15px;
    font-size:.93rem;
    font-weight:600;
    color:var(--ink);
    border-radius:999px;
    transition:color .2s;
}
.desktop-nav .nav-link:hover{
    color:var(--green);
    background:var(--paper-deep);
}
.desktop-nav .nav-link.active{
    color:var(--green);
}
.desktop-nav .nav-link.active::after{
    content:"";
    position:absolute;
    left:15px;right:15px;bottom:-6px;
    height:3px;
    background:var(--clay);
    border-radius:3px;
}
.header-nav-cta{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:14px;
}
.btn-nav{
    min-height:42px;
    padding:9px 22px;
    font-size:.9rem;
}
.mobile-toggle{
    display:none;
    margin-left:auto;
    width:44px;height:44px;
    border:1px solid var(--line);
    border-radius:12px;
    background:#fff;
    color:var(--green-dark);
    align-items:center;
    justify-content:center;
    font-size:1.15rem;
    cursor:pointer;
    transition:.2s;
}
.mobile-toggle:hover{
    background:var(--paper-deep);
}
.mobile-menu-cluster{
    display:none;
}
@media(max-width:1024px){
    .desktop-nav{display:none}
    .header-nav-cta{display:none}
    .mobile-toggle{display:inline-flex}
    .mobile-menu-cluster{
        display:block;
        position:absolute;
        top:100%;
        left:0;right:0;
        max-height:0;
        overflow:hidden;
        visibility:hidden;
        background:#fffdf8;
        box-shadow:0 20px 40px -18px rgba(13,58,52,.28);
        border-top:1px solid var(--line);
        transition:max-height .38s ease,visibility .38s;
    }
    .mobile-menu-cluster.mobile-open{
        max-height:460px;
        visibility:visible;
    }
    .mobile-menu-inner{
        padding:18px 5% 30px;
    }
    .mobile-nav-links{
        display:flex;
        flex-direction:column;
    }
    .mobile-nav-links a{
        padding:15px 4px;
        font-weight:600;
        font-size:1.02rem;
        border-bottom:1px solid var(--line);
        color:var(--ink);
        display:flex;
        align-items:center;
        gap:10px;
    }
    .mobile-nav-links a.active{color:var(--green)}
    .mobile-menu-cta{
        display:flex;
        gap:12px;
        margin-top:18px;
    }
    .mobile-menu-cta .btn{
        flex:1;
        min-height:46px;
        padding:13px 18px;
    }
}
/* hero */
.category-hero{
    position:relative;
    background:
        linear-gradient(115deg,rgba(9,48,41,.94) 0%,rgba(13,58,52,.82) 52%,rgba(24,90,80,.68) 100%),
        url('/assets/images/backpic/back-1.webp') center 38%/cover;
    color:#f7f0e2;
    padding:94px 0 92px;
    overflow:hidden;
}
.category-hero::after{
    content:"";
    position:absolute;
    right:-190px;top:-190px;
    width:520px;height:520px;
    border:1px solid rgba(255,255,255,.14);
    border-radius:50%;
    pointer-events:none;
}
.category-hero::before{
    content:"";
    position:absolute;
    left:-112px;bottom:-140px;
    width:340px;height:340px;
    border-radius:50%;
    border:1px dashed rgba(255,255,255,.14);
    pointer-events:none;
}
.hero-grid{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1.1fr .78fr;
    gap:48px;
    align-items:center;
}
.breadcrumb-hero{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:6px;
    font-size:.83rem;
    color:rgba(247,240,226,.72);
    margin-bottom:22px;
}
.breadcrumb-hero a{
    color:rgba(247,240,226,.78);
    transition:color .2s;
}
.breadcrumb-hero a:hover{
    color:#fff;
}
.breadcrumb-hero i{
    font-size:.6rem;
    color:rgba(247,240,226,.5);
}
.category-hero h1{
    font-size:clamp(2.2rem,4.2vw,3.6rem);
    line-height:1.24;
    color:#fdf8ed;
    letter-spacing:.03em;
    margin-bottom:22px;
    max-width:680px;
}
.category-hero h1 strong{
    color:#F2B192;
    font-weight:700;
}
.hero-lead{
    font-size:1.06rem;
    line-height:1.9;
    color:rgba(242,236,222,.88);
    max-width:580px;
    margin-bottom:12px;
}
.hero-note{
    font-size:.9rem;
    color:rgba(242,236,222,.72);
    margin-bottom:30px;
}
.hero-actions{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:14px;
    margin-bottom:34px;
}
.hero-badges{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
}
.hero-badges span{
    display:inline-flex;
    align-items:center;
    gap:7px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.18);
    padding:5px 14px;
    border-radius:999px;
    font-size:.82rem;
    color:#f5eadb;
    backdrop-filter:blur(4px);
}
.hero-badges i{
    color:#F2B192;
}
.hero-card{
    background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.18);
    border-radius:22px;
    padding:30px;
    backdrop-filter:blur(8px);
    box-shadow:0 24px 60px -28px rgba(0,0,0,.48);
    color:#f6eedf;
}
.hero-card-title{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:1rem;
    font-weight:700;
    margin-bottom:20px;
}
.hero-card-title i{
    width:34px;height:34px;
    background:var(--clay);
    color:#fff;
    border-radius:11px;
    display:flex;
    align-items:center;
    justify-content:center;
}
.hero-card-list{
    display:flex;
    flex-direction:column;
    gap:16px;
}
.hero-card-list li{
    display:flex;
    gap:10px;
    align-items:flex-start;
    font-size:.88rem;
    color:rgba(246,238,223,.86);
}
.hero-card-list li strong{
    color:#fff;
    font-weight:600;
    margin-right:3px;
}
.hero-card-list .kicker{
    flex:0 0 92px;
    font-size:.8rem;
    color:#F2B192;
    font-weight:600;
    letter-spacing:.02em;
    padding-top:2px;
}
@media(max-width:900px){
    .category-hero{
        padding:64px 0 60px;
    }
    .hero-grid{
        grid-template-columns:1fr;
        gap:30px;
    }
    .hero-card{
        padding:24px;
    }
}
/* guide core */
.guide-core{
    background:
        linear-gradient(rgba(247,243,234,.92),rgba(247,243,234,.98)),
        url('/assets/images/backpic/back-3.webp') center top/cover;
}
.guide-titlebar{
    margin-bottom:30px;
}
.guide-titlebar h2{
    font-size:clamp(1.8rem,3vw,2.4rem);
    color:var(--green-dark);
    margin:12px 0 5px;
}
.section-intro{
    font-size:1.08rem;
    line-height:1.9;
    color:var(--muted);
    max-width:660px;
}
.split-layout{
    display:grid;
    grid-template-columns:1fr 320px;
    gap:46px;
    align-items:start;
}
.guide-main{
    display:flex;
    flex-direction:column;
    gap:22px;
}
.guide-feature-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    padding:38px 38px 34px;
    box-shadow:var(--shadow);
    transition:box-shadow .3s ease,transform .3s ease;
}
.guide-feature-card:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-3px);
}
.guide-feature-card .guide-icon{
    width:52px;height:52px;
    border-radius:14px;
    background:var(--soft);
    color:var(--green);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.4rem;
    margin-bottom:18px;
}
.guide-feature-card h2{
    color:var(--green-dark);
    font-size:1.55rem;
    letter-spacing:.02em;
    margin-bottom:14px;
}
.guide-feature-card p{
    color:var(--ink);
    line-height:1.9;
    margin:14px 0;
}
.guide-feature-card .mini-list{
    display:flex;
    flex-direction:column;
    gap:9px;
    margin:18px 0 4px;
}
.guide-feature-card .mini-list li{
    display:flex;
    gap:10px;
    align-items:flex-start;
    color:var(--ink);
    font-size:.96rem;
}
.mini-list i{
    color:var(--clay);
    margin-top:7px;
    font-size:.72rem;
}
.mini-list strong{
    font-weight:700;
}
.guide-callout{
    background:var(--soft);
    border:1px solid rgba(24,90,80,.12);
    border-radius:18px;
    padding:24px 24px 24px 28px;
    display:flex;
    gap:14px;
    align-items:flex-start;
    margin-top:6px;
}
.guide-callout i{
    font-size:1.3rem;
    color:var(--green);
    margin-top:3px;
}
.guide-callout p{
    font-size:.95rem;
    color:var(--green-dark);
}
/* aside */
.guide-aside{
    position:sticky;
    top:34px;
    display:flex;
    flex-direction:column;
    gap:24px;
    align-items:stretch;
}
.toc-box{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    padding:24px;
    box-shadow:var(--shadow);
}
.toc-box h3{
    font-size:1.18rem;
    color:var(--green-dark);
    margin-bottom:16px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}
.toc-list{
    display:flex;
    flex-direction:column;
    gap:2px;
}
.toc-list a{
    display:flex;
    gap:9px;
    align-items:center;
    padding:8px 8px;
    border-radius:10px;
    font-size:.88rem;
    color:var(--ink);
    transition:.2s;
}
.toc-list a i{
    font-size:.6rem;
    color:var(--clay);
    width:12px;
}
.toc-list a:hover{
    background:var(--paper-deep);
    color:var(--green);
}
.mini-card{
    background:var(--green);
    color:#fff;
    border-radius:20px;
    padding:24px;
    background-image:radial-gradient(circle at 90% 10%,rgba(255,255,255,.12) 0 24px,transparent 25px);
}
.mini-card .number{
    display:block;
    font-size:1.6rem;
    font-weight:700;
    font-family:"Inter","Helvetica Neue",sans-serif;
    color:#F2B192;
}
.mini-card p{
    font-size:.86rem;
    line-height:1.7;
    color:rgba(255,255,255,.82);
    margin-top:6px;
}
.mini-card + .mini-card{
    background:var(--clay);
    background-image:radial-gradient(circle at 90% 10%,rgba(255,255,255,.15) 0 24px,transparent 25px);
}
.mini-card + .mini-card .number{
    color:#fff;
}
.cover-mini img{
    border-radius:20px;
    box-shadow:var(--shadow);
    margin-top:2px;
}
.cover-mini figcaption{
    font-size:.78rem;
    color:var(--muted);
    margin-top:10px;
    text-align:center;
}
/* workflow */
.workflow{
    background:#fff;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
}
.workflow-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    gap:22px;
    margin-bottom:44px;
}
.workflow-head h2{
    color:var(--green-dark);
    font-size:clamp(1.7rem,2.6vw,2.3rem);
    margin:10px 0 6px;
}
.workflow-head p{
    color:var(--muted);
    max-width:400px;
}
.steps-grid{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:18px;
}
.step-item{
    position:relative;
    padding:26px 20px 10px;
    border-top:3px solid var(--soft);
    border-radius:0 0 14px 14px;
    background:var(--bg);
    transition:.3s;
}
.step-item:hover{
    background:var(--paper-deep);
    transform:translateY(-3px);
}
.step-index{
    font-family:"Inter","Helvetica Neue",sans-serif;
    font-size:.76rem;
    letter-spacing:.08em;
    color:var(--clay);
    font-weight:700;
    margin-bottom:18px;
    display:block;
}
.step-item h3{
    font-size:1.08rem;
    color:var(--green-dark);
    margin-bottom:10px;
}
.step-item p{
    font-size:.85rem;
    color:var(--muted);
    line-height:1.75;
    margin-bottom:10px;
}
.step-arrow{
    position:absolute;
    right:-14px;
    top:50%;
    color:var(--line);
    transform:translateY(-50%);
    z-index:2;
    background:#fff;
    padding:4px 0;
    width:25px;
    text-align:center;
}
@media(max-width:1024px){
    .steps-grid{grid-template-columns:repeat(2,1fr);gap:26px}
    .step-arrow{display:none}
}
@media(max-width:640px){
    .steps-grid{grid-template-columns:1fr}
    .workflow-head{flex-direction:column;align-items:flex-start}
}
/* member & scenario */
.scene-cards{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    margin-top:44px;
}
.scene-card{
    border:1px solid var(--line);
    border-radius:20px;
    overflow:hidden;
    background:var(--card);
    display:flex;
    flex-direction:column;
    box-shadow:var(--shadow);
    transition:.3s;
}
.scene-card:hover{
    transform:translateY(-7px);
    box-shadow:var(--shadow-hover);
}
.scene-eyebrow{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:.8rem;
    font-weight:700;
    color:var(--green);
    letter-spacing:.08em;
    background:var(--soft);
    padding:12px 18px;
    border-radius:0 0 14px 14px;
    align-self:flex-start;
}
.scene-body{
    padding:24px 24px 28px;
    display:flex;
    flex-direction:column;
    flex:1;
}
.scene-body h3{
    font-size:1.28rem;
    color:var(--green-dark);
    margin-bottom:12px;
}
.scene-body p{
    color:var(--muted);
    font-size:.92rem;
    line-height:1.85;
    flex:1;
}
.scene-body ul{
    color:var(--ink);
    display:flex;
    flex-direction:column;
    gap:7px;
    font-size:.88rem;
    margin-top:14px;
}
.scene-body ul i{
    color:var(--clay);
    width:17px;
    font-size:.72rem;
}
.scene-body .btn{
    margin-top:24px;
    align-self:flex-start;
}
.tag{
    display:inline-flex;
    align-items:center;
    gap:7px;
    background:var(--paper-deep);
    color:var(--green);
    font-size:12px;
    font-weight:700;
    padding:5px 12px;
    border-radius:999px;
}
@media(max-width:900px){
    .scene-cards{grid-template-columns:1fr;gap:20px}
    .split-layout{grid-template-columns:1fr}
    .guide-aside{position:static;flex-direction:column}
}
/* faq */
.faq-area{
    background:var(--paper-deep);
}
.faq-grid{
    display:grid;
    grid-template-columns:.8fr 1.2fr;
    gap:56px;
    align-items:start;
}
.faq-intro h2{
    font-size:clamp(1.8rem,2.8vw,2.5rem);
    color:var(--green-dark);
    margin:14px 0 20px;
}
.faq-intro p{
    color:var(--muted);
    margin-bottom:26px;
    max-width:350px;
}
.faq-list{
    display:flex;
    flex-direction:column;
    gap:12px;
}
.faq-item{
    border:1px solid var(--line);
    border-radius:16px;
    background:var(--card);
    transition:box-shadow .3s;
}
.faq-item.open{
    border-color:rgba(24,90,80,.28);
    box-shadow:var(--shadow);
}
.faq-q{
    width:100%;
    border:0;
    background:transparent;
    padding:19px 22px 19px 24px;
    font-weight:600;
    font-size:1rem;
    color:var(--ink);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    text-align:left;
    cursor:pointer;
    border-radius:16px;
    transition:color .2s;
}
.faq-q:hover{
    color:var(--green);
}
.faq-q .fa{
    flex:0 0 28px;
    width:28px;height:28px;
    border-radius:50%;
    background:var(--soft);
    color:var(--green);
    display:flex;
    align-items:center;
    justify-content:center;
    transition:transform .3s,background .3s;
}
.faq-item.open .faq-q .fa{
    transform:rotate(45deg);
    background:var(--green);
    color:#fff;
}
.faq-a{
    display:none;
    padding:0 24px 24px;
    color:var(--muted);
    line-height:1.85;
    font-size:.95rem;
}
.faq-item.open .faq-a{
    display:block;
    animation:faqIn .3s ease;
}
@keyframes faqIn{
    0%{opacity:0;transform:translateY(-8px)}
    100%{opacity:1;transform:none}
}
@media(max-width:900px){
    .faq-grid{grid-template-columns:1fr;gap:34px}
}
/* cta */
.cta-area{
    position:relative;
    padding:100px 0;
    background:
        linear-gradient(115deg,rgba(13,58,52,.94),rgba(24,90,80,.86)),
        url('/assets/images/backpic/back-2.webp') center 30%/cover;
    color:#f8f1e4;
    text-align:center;
}
.cta-area::before{
    content:"";
    width:190px;height:190px;
    border:1px solid rgba(255,255,255,.16);
    border-radius:50%;
    position:absolute;
    left:-60px;bottom:-48px;
}
.cta-inner{
    position:relative;
    z-index:2;
    max-width:680px;
    margin:0 auto;
}
.cta-inner h2{
    font-size:clamp(1.9rem,3.3vw,2.9rem);
    color:#fff;
    margin-bottom:22px;
}
.cta-inner p{
    color:rgba(242,232,220,.84);
    font-size:1.04rem;
    line-height:1.9;
    margin-bottom:34px;
}
.cta-actions{
    display:flex;
    justify-content:center;
    align-items:center;
    flex-wrap:wrap;
    gap:14px;
}
/* footer */
.footer{
    background:#0C342E;
    color:#c3d2cc;
    font-size:.92rem;
    padding:74px 0 30px;
    line-height:1.8;
}
.footer .brand-text .cn{
    color:#f6efe1;
}
.footer .brand-text .sub{
    color:rgba(220,232,226,.55);
}
.footer-brand p{
    margin-top:14px;
    color:rgba(220,232,226,.8);
    font-size:.93rem;
    max-width:330px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.2fr .8fr 1fr 1fr;
    gap:44px;
    margin-bottom:52px;
}
.footer-title{
    color:#f7efe1;
    font-size:1.06rem;
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-weight:600;
    margin-bottom:18px;
}
.footer-list{
    display:flex;
    flex-direction:column;
    gap:10px;
}
.footer-list a{
    color:rgba(220,232,226,.78);
    transition:all .2s;
    font-size:.92rem;
    display:inline-flex;
    align-items:center;
    gap:4px;
}
.footer-list a:hover{
    color:#fff;
    padding-left:5px;
}
.footer-list i{
    font-size:.72rem;
    color:#E9A380;
}
.footer-foot{
    border-top:1px solid rgba(255,255,255,.15);
    padding-top:22px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    font-size:.88rem;
    color:rgba(220,232,226,.6);
}
.footer-foot a{
    color:#e8d6c4;
    font-weight:600;
}
.footer-foot a:hover{
    text-decoration:underline;
}
@media(max-width:900px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:38px 30px}
}
@media(max-width:600px){
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-foot{flex-direction:column;align-items:flex-start}
}
@media(max-width:520px){
    .section{padding:54px 0}
    .btn{width:100%;white-space:normal}
    .hero-actions .btn{width:auto;flex:1}
    .hero-badges{width:100%}
    .guide-feature-card{padding:24px}
}

/* roulang page: category2 */
:root{
  --primary:#185A50;
  --primary-dark:#0D3A34;
  --primary-light:#DDEAE4;
  --accent:#E16E3F;
  --accent-dark:#C8552D;
  --bg:#F7F3EA;
  --card-bg:#FFFFFF;
  --text:#202A28;
  --text-weak:#63746F;
  --line:#E7E0D2;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(15,45,40,.04),0 10px 24px -18px rgba(15,45,40,.18);
  --shadow-hover:0 2px 4px rgba(15,45,40,.06),0 18px 32px -18px rgba(15,45,40,.24);
  --space-sm:8px;
  --space-md:16px;
  --space-lg:32px;
  --space-xl:64px;
  --space-2xl:96px;
  --container-max:1280px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.container{max-width:var(--container-max);margin:0 auto;padding:0 24px;width:100%}
h1,h2,h3,h4,h5,h6{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;line-height:1.3;color:var(--text);font-weight:700}
h1{font-size:clamp(2rem,3.6vw,3.2rem);letter-spacing:.01em}
h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:var(--space-lg)}
h3{font-size:1.2rem}
p{margin-bottom:1em}
a:focus-visible,button:focus-visible,.accordion-item:focus-within{
  outline:3px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:999px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:all .25s ease;line-height:1.2;white-space:nowrap;
}
.btn-clay{background:var(--accent);color:#fff;box-shadow:0 6px 18px -8px rgba(194,81,42,.4)}
.btn-clay:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(194,81,42,.5);color:#fff}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-ghost-light{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost-light:hover{background:#fff;color:var(--primary-dark)}
.btn-dark{background:var(--primary-dark);color:#fff}
.btn-dark:hover{background:var(--primary);transform:translateY(-2px)}
.btn-lg{padding:16px 40px;font-size:1rem}
.btn-sm{padding:8px 20px;font-size:.85rem}
.text-center{text-align:center}
.text-accent{color:var(--accent)}

/* ----- Header ----- */
.main-header{position:relative;z-index:100;background:var(--bg);border-bottom:1px solid var(--line)}
.header-row{
  max-width:var(--container-max);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
  height:80px;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--primary);
  position:relative;overflow:hidden;flex-shrink:0;
  box-shadow:0 4px 12px rgba(24,90,80,.25);
}
.brand-mark::before{
  content:"";position:absolute;top:-6px;right:-5px;width:28px;height:20px;
  background:rgba(255,255,255,.25);border-radius:50%;
}
.brand-mark::after{
  content:"";position:absolute;bottom:-4px;left:4px;width:18px;height:18px;
  border:2px solid rgba(255,255,255,.35);border-radius:50%;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text .cn{font-size:1.35rem;font-weight:700;letter-spacing:.04em;color:var(--primary-dark);font-family:"Noto Serif SC",serif}
.brand-text .sub{font-size:.65rem;letter-spacing:.22em;color:var(--text-weak);font-weight:400}
.desktop-nav{display:flex;align-items:center;gap:36px}
.nav-link{
  font-size:.95rem;font-weight:500;color:var(--text);
  padding:8px 0;position:relative;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--accent);border-radius:2px;
  transform:scaleX(0);transform-origin:center;transition:transform .3s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-nav-cta{display:flex;align-items:center;gap:12px}
.mobile-toggle{
  display:none;width:46px;height:46px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--primary);font-size:1.3rem;cursor:pointer;
  align-items:center;justify-content:center;
}
.mobile-toggle:hover{border-color:var(--primary)}

/* mobile nav drawer styles */
.mobile-drawer{
  display:none;position:fixed;top:0;right:-320px;width:300px;height:100%;
  background:var(--primary-dark);z-index:1000;padding:40px 28px 30px;
  transition:right .35s ease;box-shadow:-20px 0 50px rgba(0,0,0,.15);
}
.mobile-drawer.open{right:0}
.mobile-drawer .drawer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}
.mobile-drawer .close-btn{background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer}
.mobile-drawer .mobile-nav-links{display:flex;flex-direction:column;gap:8px}
.mobile-drawer .mobile-nav-links a{
  color:rgba(255,255,255,.85);font-size:1.05rem;padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.mobile-drawer .mobile-nav-links a:hover{color:#fff;padding-left:6px}
.mobile-drawer .mobile-cta{margin-top:32px}

/* Hero */
.hero{
  position:relative;padding:110px 0 100px;
  background:linear-gradient(to top,var(--bg),#fff 8%,var(--bg) 90%);
}
.hero:before{
  content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;
  background-image:radial-gradient(rgba(24,90,80,.07) 1px,transparent 1px);
  background-size:28px 28px;
  -webkit-mask-image:linear-gradient(to bottom,transparent,#000 35%,transparent);
          mask-image:linear-gradient(to bottom,transparent,#000 35%,transparent);
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);
  color:var(--primary);padding:6px 18px;border-radius:999px;
  font-size:.8rem;font-weight:600;letter-spacing:.06em;margin-bottom:24px;border:1px solid rgba(24,90,80,.15);
}
.hero-title{font-size:clamp(2.1rem,4vw,3.4rem);line-height:1.22;margin-bottom:20px;font-weight:800}
.hero-title .highlight{color:var(--primary);position:relative;white-space:nowrap}
.hero-title .highlight::after{
  content:"";position:absolute;bottom:6px;left:0;width:100%;height:8px;
  background:rgba(225,110,63,.2);border-radius:4px;z-index:-1;
}
.hero-desc{font-size:1.05rem;color:var(--text-weak);margin-bottom:30px;max-width:560px;line-height:1.9}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px}
.hero-points{display:flex;gap:30px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:24px}
.hero-points-item{display:flex;align-items:center;gap:10px;color:var(--text);font-size:.92rem}
.hero-points-item i{color:var(--accent);font-size:1.1rem}
.hero-visual{position:relative}
.browser-mock{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-hover);
  border:1px solid var(--line);transform:rotate(.5deg);
}
.browser-top{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--primary-dark);border-bottom:1px solid rgba(255,255,255,.08)}
.browser-dots{display:flex;gap:6px}
.browser-dots span{width:9px;height:9px;border-radius:50%;display:block}
.browser-dots span:nth-child(1){background:#C8552D}
.browser-dots span:nth-child(2){background:#D9A544}
.browser-dots span:nth-child(3){background:#6B8A7A}
.browser-url{flex:1;background:rgba(255,255,255,.12);border-radius:999px;padding:4px 14px;font-size:.7rem;color:rgba(255,255,255,.7);letter-spacing:.03em}
.browser-body{display:grid;grid-template-columns:66% 34%;height:280px}
.browser-content{padding:20px}
.skeleton-lines{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.skeleton-lines span{height:10px;border-radius:6px;background:var(--line)}
.skeleton-lines span:first-child{width:55%;height:16px;background:var(--primary-light)}
.skeleton-lines span:nth-child(2){width:90%}
.skeleton-lines span:nth-child(3){width:75%}
.skeleton-lines span:nth-child(4){width:82%}
.browser-side{background:var(--primary);padding:14px;display:flex;flex-direction:column;gap:8px}
.side-card{background:rgba(255,255,255,.2);border-radius:8px;height:40px;padding:8px 12px}
.side-card::after{content:"";display:block;width:60%;height:6px;background:rgba(255,255,255,.3);border-radius:4px}
.hero-float-card{
  position:absolute;left:-30px;bottom:30px;background:#fff;
  padding:18px 22px;border-radius:var(--radius-sm);box-shadow:var(--shadow-hover);
  border:1px solid var(--line);display:flex;align-items:center;gap:14px;max-width:280px;
}
.hero-float-icon{width:44px;height:44px;background:var(--primary-light);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1.3rem}
.hero-float-text{font-size:.85rem;line-height:1.5;font-weight:600}
.hero-float-text small{display:block;font-weight:400;color:var(--text-weak);font-size:.78rem}

/* Section common */
.section{padding:var(--space-2xl) 0}
.section-bg-white{background:#fff}
.section-bg-soft{background:var(--primary-light)}
.section-heading-row{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:30px;margin-bottom:48px;flex-wrap:wrap;
}
.section-eyebrow{
  display:block;font-size:.78rem;font-weight:700;letter-spacing:.16em;
  color:var(--accent);margin-bottom:12px;text-transform:uppercase;
}
.section-subtitle{font-size:1rem;color:var(--text-weak);max-width:560px}

/* Breadcrumb */
.breadcrumb-wrap{background:var(--bg);border-bottom:1px solid var(--line);padding:16px 0}
.breadcrumb{display:flex;align-items:center;font-size:.85rem;color:var(--text-weak);gap:0;flex-wrap:wrap}
.breadcrumb a{color:var(--text-weak);padding:4px 0}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{padding:0 10px;color:var(--line);display:inline-block}

/* Feature cards */
.card{
  background:var(--card-bg);border-radius:var(--radius);border:1px solid var(--line);
  padding:36px 26px;box-shadow:var(--shadow);border-top:3px solid var(--primary);
  transition:all .3s ease;
}
.card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-6px);
}
.feature-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;
}
.feature-icon{
  width:53px;height:53px;border-radius:14px;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;margin-bottom:20px;
}
.card h3{margin-bottom:10px;color:var(--primary-dark)}
.card p{color:var(--text-weak);font-size:.9rem;margin:0}

/* Process steps */
.process-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;counter-reset:process}
.process-step{position:relative;padding-left:0;text-align:center}
.process-step .step-num{
  counter-increment:process;width:52px;height:52px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;border-radius:50%;
  font-family:"Noto Serif SC",serif;font-size:1.25rem;font-weight:700;
  box-shadow:0 8px 20px rgba(24,90,80,.25);position:relative;
}
.step-num::after{
  content:"";position:absolute;top:50%;left:calc(100% + 10px);
  width:calc(100% + 20px);height:1px;background:var(--line);
}
.process-step:last-child .step-num::after{display:none}
.process-step .step-title{margin-bottom:8px;font-weight:700}
.process-step p{font-size:.86rem;color:var(--text-weak);margin-bottom:0;padding:0 4px}

/* Cover cards */
.with-cover{overflow:hidden;padding:0;margin:0;border:none}
.cover-img-wrap{height:190px;overflow:hidden;position:relative;background:var(--primary)}
.cover-img-wrap img{width:100%;height:100%;object-fit:cover}
.cover-img-wrap::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(13,58,52,.85));opacity:.6;transition:opacity .3s ease}
.card:hover .cover-img-wrap::after{opacity:.3}
.cover-card-body{padding:30px}
.cover-card-tag{font-size:.72rem;font-weight:700;letter-spacing:.08em;color:var(--accent);margin-bottom:8px;display:inline-block}
.cover-card-title{margin-bottom:10px;color:var(--primary-dark);font-size:1.18rem}
.cover-card-desc{color:var(--text-weak);font-size:.9rem;margin-bottom:18px;line-height:1.8}

/* Scenarios */
.scenario-list{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.scenario-list li{
  background:#fff;border-radius:14px;border:1px solid var(--line);
  padding:22px 24px;display:flex;gap:18px;align-items:flex-start;
  transition:all .26s ease;box-shadow:var(--shadow);
}
.scenario-list li:hover{border-left:3px solid var(--accent);box-shadow:var(--shadow-hover);transform:translateX(4px)}
.scenario-icon{width:44px;height:44px;flex-shrink:0;border-radius:10px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center}
.scenario-title{font-weight:700;margin-bottom:2px}
.scenario-list p{font-size:.88rem;color:var(--text-weak);margin:0}

/* Steps / timeline */
.timeline{position:relative;padding-left:38px}
.timeline-item{position:relative;padding-bottom:40px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";display:block;position:absolute;left:-24px;top:12px;width:12px;height:12px;
  background:var(--accent);border-radius:50%;border:3px solid var(--bg);box-shadow:0 0 0 2px var(--accent);
}
.timeline-item::after{
  content:"";position:absolute;left:-19px;top:32px;width:2px;bottom:6px;background:var(--line);
}
.timeline-item:last-child::after{display:none}
.timeline-title{font-family:"Noto Sans SC",sans-serif;font-weight:700;margin-bottom:6px}
.timeline-text{color:var(--text-weak);font-size:.9rem;line-height:1.8}

/* Accent row with backpic */
.backpic-band{
  position:relative;padding:110px 0;background:var(--primary-dark);
  background-size:cover;
  background:var(--primary-dark);
}
.backpic-band .container{position:relative;z-index:2}
.backpic-band .band-title{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:14px}
.backpic-band p{color:rgba(255,255,255,.8);max-width:700px;margin-bottom:26px;font-size:1rem}
.band-overlay{
  position:absolute;top:0;left:0;right:0;bottom:0;
  background:
    linear-gradient(90deg,rgba(13,58,52,.94) 0%,rgba(22,83,74,.87) 45%,rgba(13,58,52,.46) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}

/* Faq */
.acc-item{
  background:#fff;border-radius:14px;border:1px solid var(--line);
  padding:0;margin-bottom:12px;overflow:hidden;transition:box-shadow .25s;
  box-shadow:0 1px 2px rgba(15,45,40,.03);
}
.acc-btn{
  width:100%;background:none;border:none;padding:18px 44px 18px 22px;text-align:left;
  font-weight:600;color:var(--text);cursor:pointer;font-size:.95rem;
  position:relative;display:flex;align-items:center;
}
.acc-btn::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--accent);transition:transform .3s ease;font-size:.85rem;
}
.acc-btn[aria-expanded="true"]::after{content:"\f068"}
.acc-btn:hover{color:var(--primary)}
.acc-body{
  max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 22px;
}
.acc-body-inner{padding-bottom:20px;color:var(--text-weak);font-size:.92rem;line-height:1.8}
.acc-item.active{box-shadow:var(--shadow)}
.acc-item.active .acc-btn{color:var(--primary)}

/* Facts/Trust bar */
.trust-banner{
  background:var(--primary);border-radius:20px;color:#fff;
  padding:50px 60px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:32px;align-items:center;margin-top:-20px;position:relative;z-index:3;
  box-shadow:0 26px 50px -32px rgba(13,58,52,.65);
}
.trust-banner .trust-item:nth-child(n+2){border-left:1px solid rgba(255,255,255,.2);padding-left:32px}
.trust-item span{opacity:.75;font-size:.8rem;display:block;line-height:1.5}
.trust-item strong{
  font-family:"Inter","Helvetica Neue",sans-serif;font-size:1.7rem;
  display:block;font-size:clamp(1.7rem,3vw,2.5rem);font-weight:700;line-height:1.2;
  letter-spacing:.01em;
}

/* CTA */
.cta-section{background:var(--bg);position:relative}
.cta-card{
  background:var(--primary-dark);border-radius:24px;padding:70px 80px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;top:-90px;right:-90px;width:260px;height:260px;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.12;border-radius:50%;pointer-events:none;
}
.cta-title{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:12px}
.cta-title span{font-family:"Noto Serif SC",serif;color:#fff}
.cta-desc{color:rgba(255,255,255,.75);margin-bottom:0;max-width:480px}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch;justify-content:center;position:relative;z-index:2}

/* split info / right sticky */
.split-layout{display:grid;grid-template-columns:1.2fr .85fr;gap:60px;align-items:stretch}
.section-info{background:var(--bg)}
.how-list{display:flex;flex-direction:column;gap:20px}
.how-block{
  background:#fff;border-radius:16px;border:1px solid var(--line);
  padding:30px 32px;box-shadow:var(--shadow);
}
.how-block-title{display:flex;align-items:center;gap:12px;margin-bottom:12px;color:var(--primary-dark)}
.how-number{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:34px;padding:0 7px;border-radius:999px;background:var(--accent);color:#fff;font-size:.85rem;font-weight:700}
.sub-diff-list{display:block}
.sub-diff-list li{color:var(--text-weak);font-size:.93rem;padding-left:4px;position:relative;line-height:2}
.left-sticky{position:relative}
.left-sticky .panel{
  position:sticky;top:110px;border-radius:24px;padding:42px;
  background:var(--primary);color:#fff;overflow:hidden;min-height:440px;
  display:flex;flex-direction:column;justify-content:center;
}
.panel h3{color:#fff;margin-bottom:14px;font-size:1.5rem}
.panel p{color:rgba(255,255,255,.76);font-size:.93rem;margin-bottom:26px}
.panel ul{display:flex;flex-direction:column;gap:4px;border-top:1px solid rgba(255,255,255,.15);padding:20px 0 0 36px;list-style:none}
.panel ul li{color:rgba(255,255,255,.85);font-size:.85rem;margin-bottom:4px;position:relative;line-height:1.6}
.panel ul li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:-23px;top:0;color:rgba(255,255,255,.7)}

/* Table / Comparison solid cards */
.comparison-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px}
.package-card{
  background:#fff;border-radius:18px;border:1px solid var(--line);
  padding:40px 28px 34px;box-shadow:var(--shadow);display:flex;
  flex-direction:column;height:100%;position:relative;
  transition:all .3s ease;
}
.package-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-5px)}
.package-name{font-size:1rem;color:var(--text-weak);margin-bottom:2px}
.big-price{font-size:2rem;font-weight:700;color:var(--primary-dark);font-family:"Inter",sans-serif}
.big-price small{font-size:.85rem;color:var(--text-weak);font-weight:400}
.mid-line{color:var(--text-weak);font-size:.8rem;padding-bottom:10px;border-bottom:1px solid var(--line);margin:18px 0}
.feature-check-list{display:flex;flex-direction:column;gap:9px;margin-bottom:28px}
.feature-check-list li{position:relative;font-size:.85rem;color:var(--text);line-height:1.5;padding-left:4px;text-align:left}
.feature-check-list li i{color:var(--primary);margin-right:10px;width:16px}
.package-cta{padding-top:auto;text-align:center;margin-top:auto;align-self:stretch}
.tag-recommend{
  position:absolute;top:-12px;right:24px;background:var(--accent);color:#fff;
  font-size:.68rem;letter-spacing:.08em;font-weight:600;
  padding:4px 15px;border-radius:999px;box-shadow:0 6px 14px rgba(225,110,63,.35);
}
.card-mid{transform:scale(1.04);border-top:4px solid var(--accent);background:var(--primary-dark);border-color:var(--primary-dark)}
.card-mid .package-name{color:rgba(255,255,255,.6)}
.card-mid .big-price{color:#fff}
.card-mid .big-price small{color:rgba(255,255,255,.6)}
.card-mid .mid-line{color:rgba(255,255,255,.45);border-color:rgba(255,255,255,.2)}
.card-mid .feature-check-list li{color:rgba(255,255,255,.82)}
.card-mid .feature-check-list li i{color:#fff}
.card-mid p{color:rgba(255,255,255,.65)}

/* About band */
.about-imgs{display:grid;grid-template-columns:40% 60%;grid-template-rows:250px;gap:18px}
.about-imgs .span-two{grid-row:span 1}
.about-imgs .cover-overlay{
  position:relative;overflow:hidden;border-radius:18px;
}
.cover-overlay img{object-fit:cover;width:100%;height:100%;transition:transform .6s ease}
.cover-overlay:hover img{transform:scale(1.04)} 
.cover-overlay .overlay-capt{
  position:absolute;left:18px;bottom:14px;background:rgba(13,58,52,.85);
  color:#fff;font-size:.7rem;letter-spacing:.1em;border-radius:999px;padding:5px 16px;
}
.about-note p{color:var(--text-weak);font-weight:400;text-align:left}
.about-maxcol{columns:2;column-gap:50px}
.about-maxcol p{text-indent:2em;margin-bottom:1.2em;text-align:justify}
.about-maxcol p:first-child{text-indent:0}
.section-diff{padding:var(--space-2xl) 0 60px 0}

/* FAQ width restricted */
.faq-row{display:grid;grid-template-columns:.85fr 1.15fr;gap:46px;align-items:start}
.faq-intro{color:var(--text-weak);margin-top:12px}
.faq-support-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow);margin-top:22px}
.faq-support-card h4{margin-bottom:8px;font-size:1.1rem}
.faq-support-card .btn{margin-top:14px}

/* Footer */
.footer{background:var(--primary-dark);color:rgba(255,255,255,.7);padding:80px 0 36px;margin-top:0;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:42px;margin-bottom:44px}
.footer .brand-text .cn{color:#fff;font-size:1.45rem}
.footer .brand-text .sub{color:rgba(255,255,255,.38)}
.footer p{margin-bottom:0;color:rgba(255,255,255,.56);font-size:.9rem;line-height:1.85}
.footer-title{color:#fff;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:20px;font-family:"Noto Sans SC",sans-serif;font-weight:600;opacity:.9}
.footer-list li{margin-bottom:10px;}
.footer-list a{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.62);font-size:.88rem;transition:color .22s,transform .22s}
.footer-list a:hover{color:#fff;transform:translateX(3px)}
.footer-list i{font-size:.68rem;color:var(--accent);width:14px;padding-top:2px}
.footer-foot{
  border-top:1px solid rgba(255,255,255,.09);
  padding-top:26px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:rgba(255,255,255,.42);font-size:.8rem;
}
.footer-foot .meta-line a{color:rgba(255,255,255,.85);border-bottom:1px dotted rgba(255,255,255,.35);font-size:.8rem}
.footer-foot .meta-line a:hover{color:#fff;border-color:#fff}

/* Video etc */
.back-1{background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.quote-card{
  font-family:"Noto Serif SC",serif;font-size:1.18rem;color:var(--primary-dark);
  padding:34px 38px;background:var(--bg);border-radius:20px;border-left:5px solid var(--accent);line-height:1.8;
}
.quote-author{font-family:"Noto Sans SC",sans-serif;font-style:normal;font-size:.8rem;color:var(--text-weak);display:block;margin-top:14px}
.cdo{font-family:"Noto Serif SC",serif;font-weight:700;color:var(--primary)}

/* Others */
.section-bands{padding-top:0;background:var(--bg)}
.member-cards{direction:lr}
.card-img-wrap{position:relative}
.card-img-wrap img{height:100%;width:100%}
.scrolly{position:relative;transition:opacity .5s transform .5s;opacity:1;transform:translateY(0);border-radius:18px}
.stat-number{font-family:"Inter",sans-serif;font-weight:700;font-size:2.4rem;line-height:1.1;color:var(--primary)}
.stat-unit{font-size:1rem;margin-left:2px;font-weight:600;color:var(--primary)}
.stat-label{font-size:.85rem;color:var(--text-weak);margin-top:6px}
.ab-banner{display:block;color:#fff;padding:7px 12px;bottom:10px;background-color:transparent;opacity:.7}

/* query states */
@media (max-width: 1024px){
  .hero-inner,.split-layout,.faq-row{grid-template-columns:1fr}
  .hero{padding:70px 0 60px}
  .desktop-nav{display:none}
  .header-nav-cta{display:none}
  .mobile-toggle{display:flex}
  .left-sticky.panel{position:relative;top:auto}
  .right-gap-visible{display:block}
  .package-card.card-mid{transform:scale(1)}
  .main-header .header-row{height:75px;max-width:100%}
  .process-grid{grid-template-columns:1fr 1fr;counter-reset:process}
  .process-step:nth-child(even) .step-num::after{display:none}
  .process-step:nth-child(n+3){margin-top:10px}
  .timeline{padding-left:42px}
}   
@media (max-width: 768px){
  :root{ --space-2xl:64px; }
  .section{--space-2xl:70px, 32px;}
  .grid-padding-x{grid-gap:16px}
  .hero-inner{gap:40px}
  .hero-float-card{left:10px;bottom:16px;padding:12px 16px}
  .hero-title{font-size:clamp(1.8rem,5vw,2.3rem)}
  .browser-body{height:240px}
  .trust-banner{padding:34px 30px;gap:20px;text-align:center}
  .trust-banner .trust-item:nth-child(n+2){border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.1);padding-top:20px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-card{flex-direction:column;padding:50px 30px;text-align:center}
  .cta-desc{max-width:90%;margin:0 auto}
  .cta-actions{flex-direction:row;flex-wrap:wrap;justify-content:center}
  .process-grid{grid-template-columns:1fr;max-width:380px;margin:0 auto}
  .step-num::after{display:none}
  .stats-row{grid-template-columns:1fr 1fr;gap:18px}
  .about-imgs{grid-template-columns:1fr;grid-template-rows:auto}
  .about-maxcol{columns:1}
  .section-heading-row{flex-direction:column;align-items:flex-start;margin-bottom:30px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .header-row{padding:0 14px}
  .brand-text .cn{font-size:1.25rem}
  .brand-sub{display:none}
  .hero-actions .btn{width:100%}
  .browser-mock{transform:rotate(0)}
  .browser-body{grid-template-columns:1fr; height:340px}
  .browser-side{display:none}
  .hero-float-card{right:4px;left:auto;bottom:-22px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .process-grid{max-width:100%}
  .team-grid{grid-template-columns:1fr}
  .cta-card{padding:42px 18px}
}

/* roulang page: category3 */
:root {
  --bg: #F7F3EA;
  --bg-light: #DDEAE4;
  --brand: #185A50;
  --brand-dark: #0D3A34;
  --clay: #E16E3F;
  --clay-hover: #C8552D;
  --text: #202A28;
  --muted: #63746F;
  --line: #E7E0D2;
  --card-bg: #FFFFFF;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(15,45,40,.04), 0 10px 24px -18px rgba(15,45,40,.18);
  --shadow-hover: 0 4px 10px rgba(15,45,40,.06), 0 22px 40px -22px rgba(15,45,40,.28);
  --font-serif: "Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num: Inter,"Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text);font-size:1rem;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{list-style:none}
button,input{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:4px}
::selection{background:rgba(225,110,63,.22)}

/* header info bar */
.header-info{background:var(--brand-dark);color:rgba(247,243,234,.84);font-size:.8rem;line-height:36px}
.header-info .container{display:flex;align-items:center;justify-content:space-between;gap:12px;height:36px}
.header-info .info-left{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-info .info-left i{color:var(--clay)}
.header-info .info-right{display:flex;gap:8px;align-items:center;flex-shrink:0}
.header-info .mini-link{display:inline-flex;align-items:center;gap:6px;color:rgba(247,243,234,.92);font-size:.8rem;padding:0 10px;border:1px solid rgba(247,243,234,.28);border-radius:999px;line-height:22px;transition:background .2s,border-color .2s}
.header-info .mini-link:hover{background:rgba(247,243,234,.1);border-color:rgba(247,243,234,.55)}
.header-info .mini-link i{font-size:.68rem}

/* main header */
.main-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;justify-content:space-between;height:76px;padding:0 24px;max-width:1200px;margin:0 auto;gap:20px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--brand),#247A6B);position:relative;flex-shrink:0}
.brand-mark::before{content:"";position:absolute;top:11px;left:10px;width:16px;height:9px;border:2px solid rgba(255,255,255,.85);border-bottom:none;border-radius:14px 14px 0 0;transform:rotate(-8deg)}
.brand-mark::after{content:"";position:absolute;top:15px;right:9px;width:12px;height:7px;border:2px solid var(--clay);border-top:none;border-radius:0 0 12px 12px;transform:rotate(10deg)}
.brand-text{display:flex;flex-direction:column;line-height:1.15;letter-spacing:.02em}
.brand-text .cn{font-family:var(--font-serif);font-size:1.22rem;font-weight:700;color:var(--brand-dark)}
.brand-text .sub{font-size:.62rem;letter-spacing:.14em;color:var(--muted);font-weight:600}
.desktop-nav{display:flex;align-items:center;gap:34px;margin-left:auto;margin-right:8px}
.nav-link{position:relative;font-size:.96rem;font-weight:500;color:var(--text);padding:8px 2px;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:3px;border-radius:3px;background:var(--clay);transition:width .22s ease}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:24px}
.nav-link.active{color:var(--brand-dark);font-weight:600}
.nav-link.active::after{width:30px;height:3px;background:var(--brand)}
.header-nav-cta{margin-left:8px;flex-shrink:0}
.mobile-toggle{display:none;background:none;border:0;font-size:1.5rem;color:var(--brand-dark);cursor:pointer;padding:6px 8px}
.mobile-toggle i{font-size:1.35rem}

/* mobile slide menu */
.mobile-menu{position:fixed;top:0;right:-340px;width:300px;height:100vh;z-index:200;background:#fff;box-shadow:-10px 0 40px rgba(0,0,0,.14);transition:right .3s ease;display:flex;flex-direction:column}
.mobile-menu.open{right:0}
.mobile-menu-head{display:flex;justify-content:space-between;align-items:center;padding:22px 20px 14px;border-bottom:1px solid var(--line)}
.mobile-menu-head .brand .brand-text .cn{font-size:1.08rem}
.mobile-menu-close{background:none;border:0;font-size:1.3rem;color:var(--muted);cursor:pointer;line-height:1;padding:6px}
.mobile-menu-body{padding:16px 8px 24px;overflow-y:auto}
.mobile-nav-link{display:block;padding:13px 16px;font-size:.98rem;color:var(--text);border-radius:10px;transition:background .2s}
.mobile-nav-link:hover{background:#F2EDE2}
.mobile-nav-link.active{background:var(--bg-light);color:var(--brand-dark);font-weight:600}
.mobile-cta-btn{display:block;margin:18px 12px 4px;text-align:center}
.mobile-mask{position:fixed;inset:0;background:rgba(13,58,52,.42);z-index:150;opacity:0;pointer-events:none;transition:opacity .3s ease}
.mobile-mask.show{opacity:1;pointer-events:auto}
body.nav-locked{overflow:hidden}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:999px;font-size:.95rem;font-weight:600;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap}
.btn-sm{padding:8px 18px;font-size:.85rem}
.btn-lg{padding:15px 40px;font-size:1.04rem}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-brand:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 22px -10px rgba(24,90,80,.55)}
.btn-clay{background:var(--clay);color:#fff;border-color:var(--clay)}
.btn-clay:hover{background:var(--clay-hover);border-color:var(--clay-hover);transform:translateY(-2px);box-shadow:0 10px 22px -10px rgba(225,110,63,.55)}
.btn-outline{background:transparent;color:var(--brand-dark);border:1.5px solid rgba(24,90,80,.35)}
.btn-outline:hover{border-color:var(--brand);background:rgba(24,90,80,.06)}
.btn-light{background:#fff;color:var(--brand-dark);border-color:#fff}
.btn-light:hover{background:var(--bg-light);transform:translateY(-2px)}

/* hero */
.enterprise-hero{position:relative;background:#fff;overflow:hidden}
.enterprise-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat}
.enterprise-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.96) 20%,rgba(255,255,255,.82) 55%,rgba(255,255,255,.45) 100%)}
.enterprise-hero-bg::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 26%,rgba(24,90,80,.08) 0,transparent 42%),linear-gradient(135deg,transparent 62%,rgba(225,110,63,.05) 100%);z-index:1}
.enterprise-hero .container{position:relative;z-index:2;padding-top:96px;padding-bottom:110px}
.hero-grid{display:grid;grid-template-columns:1.11fr .89fr;gap:72px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(24,90,80,.08);color:var(--brand);font-size:.8rem;letter-spacing:.08em;padding:6px 14px;border-radius:999px;margin-bottom:22px;font-weight:500}
.hero-eyebrow i{font-size:.68rem}
.hero-title{font-family:var(--font-serif);font-size:clamp(2.1rem,4.4vw,3.1rem);line-height:1.22;color:var(--brand-dark);font-weight:700;letter-spacing:.015em;margin-bottom:18px}
.hero-title strong{color:var(--clay);font-weight:700}
.hero-sub{font-size:1.08rem;line-height:1.8;color:var(--text);max-width:580px;margin-bottom:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:38px}
.hero-point{display:flex;align-items:center;gap:7px;font-size:.88rem;color:#344B46;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 15px;box-shadow:0 2px 8px rgba(24,90,80,.04)}
.hero-point i{color:var(--clay);font-size:.7rem}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.hero-art{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-hover);overflow:hidden;transition:transform .3s ease;position:relative}
.hero-art:hover{transform:translateY(-4px)}
.art-imag{position:relative;height:260px;overflow:hidden}
.art-imag img{width:100%;height:100%;object-fit:cover}
.art-imag::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(13,58,52,.28))}
.art-tag{position:absolute;top:16px;right:16px;z-index:2;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-radius:999px;padding:5px 14px;font-size:.76rem;color:var(--brand-dark);font-weight:600}
.art-tag i{color:var(--clay)}
.art-badge{position:absolute;bottom:14px;left:16px;z-index:2;color:#fff;font-size:.9rem;font-weight:600;text-shadow:0 1px 6px rgba(0,0,0,.3)}
.hero-panel-content{padding:26px 24px 28px}
.hero-ai-list{display:flex;flex-direction:column;gap:15px}
.hero-ai-item{display:flex;gap:13px;align-items:flex-start}
.hero-ai-icon{width:34px;height:34px;flex-shrink:0;border-radius:10px;background:var(--bg-light);display:flex;align-items:center;justify-content:center;font-size:.86rem;color:var(--brand)}
.hero-ai-title{font-size:.95rem;font-weight:600;color:var(--brand-dark);line-height:1.4;margin-bottom:2px}
.hero-ai-desc{font-size:.75rem;color:var(--muted);line-height:1.5}

/* section common */
.section{padding:90px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:50px}
.sec-eyebrow{display:inline-block;font-size:.82rem;letter-spacing:.12em;color:var(--clay);text-transform:uppercase;font-weight:700;margin-bottom:10px}
.sec-title{font-family:var(--font-serif);font-size:clamp(1.5rem,2.6vw,2.05rem);color:var(--brand-dark);line-height:1.3;font-weight:700;letter-spacing:.01em}
.sec-title-light{color:#fff}
.sec-desc{font-size:1rem;color:var(--muted);max-width:680px;margin-top:10px;line-height:1.8}

/* band */
.band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.band-item{padding:34px 24px;display:flex;align-items:center;gap:20px;border-right:1px solid var(--line);transition:background .2s}
.band-item:hover{background:#FBF9F2}
.band-item:last-child{border-right:0}
.band-icon{width:56px;height:56px;border-radius:16px;background:var(--bg-light);display:flex;align-items:center;justify-content:center;font-size:1.35rem;color:var(--brand);flex-shrink:0}
.band-value{front-size:1px}
.band-text-label{font-size:.86rem;font-weight:600;color:var(--brand-dark);line-height:1.3}
.band-text-sub{font-size:.8rem;color:var(--muted);margin-top:2px}
.band-number{font-family:var(--font-num);font-size:1.75rem;font-weight:700;color:var(--clay);line-height:1}
.band-cap{font-size:.86rem;font-weight:600;color:var(--text);margin-top:6px}

/* intro section */
.intro-block{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.intro-media{position:relative}
.intro-media .main-img{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-hover);background:var(--bg-light)}
.intro-media .main-img img{width:100%;height:320px;object-fit:cover}
.intro-float-card{position:absolute;bottom:-28px;right:-16px;background:#fff;border-radius:16px;box-shadow:var(--shadow-hover);padding:20px 24px;display:flex;align-items:center;gap:14px;border:1px solid var(--line);max-width:270px}
.intro-float-icon{width:44px;height:44px;border-radius:14px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.05rem;flex-shrink:0}
.intro-float-text{font-size:.78rem;color:var(--muted);line-height:1.5}
.intro-float-text strong{display:block;color:var(--brand-dark);font-size:.92rem;font-weight:700}
.intro-heading{font-family:var(--font-serif);font-size:clamp(1.3rem,2.1vw,1.7rem);color:var(--brand-dark);line-height:1.45;margin-bottom:16px;font-weight:700}
.intro-desc{color:var(--muted);line-height:1.9;margin-bottom:20px;font-size:.96rem}
.intro-list{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.intro-list li{display:flex;gap:12px;align-items:flex-start;font-size:.94rem;line-height:1.65;color:var(--text)}
.intro-list li i{width:22px;height:22px;flex-shrink:0;border-radius:50%;background:var(--bg-light);color:var(--brand);font-size:.7rem;display:flex;align-items:center;justify-content:center;margin-top:4px}

/* steps timeline */
.steps{background:var(--brand-dark);color:#fff;position:relative;overflow:hidden}
.steps::before{content:"";position:absolute;width:520px;height:520px;border:2px solid rgba(255,255,255,.04);border-radius:50%;top:-220px;right:-120px}
.steps::after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(255,255,255,.06);border-radius:50%;bottom:-140px;left:60px}
.step-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;z-index:2}
.step-card{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:26px 20px;transition:all .3s ease;backdrop-filter:blur(4px)}
.step-card:hover{background:rgba(255,255,255,.1);transform:translateY(-5px);border-color:rgba(225,110,63,.55)}
.step-index{font-family:var(--font-num);font-size:2rem;font-weight:700;color:transparent;-webkit-text-stroke:1px var(--clay);display:block;margin-bottom:10px;line-height:1}
.step-card h3{font-size:1rem;margin-bottom:10px;color:#fff;font-weight:600;position:relative;padding-bottom:10px}
.step-card h3::after{content:"";position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--clay);border-radius:2px}
.step-card p{font-size:.8rem;color:rgba(247,243,234,.66);line-height:1.7}
.step-divider{display:flex;align-items:center;justify-content:center;font-size:.8rem;color:var(--clay);position:relative;z-index:2}

/* services */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-card{background:#fff;border-radius:var(--radius);padding:32px 26px;box-shadow:var(--shadow);border:1px solid var(--line);transition:all .3s ease;position:relative;overflow:hidden}
.service-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--brand),var(--clay));transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.service-card:hover::before{transform:scaleX(1)}
.service-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.service-icon{width:52px;height:52px;border-radius:15px;background:var(--bg-light);color:var(--brand);font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:background .2s}
.service-card:hover .service-icon{background:var(--brand);color:#fff}
.service-tag{font-size:.72rem;padding:3px 10px;border-radius:99px;background:#FFF1E8;color:var(--clay);font-weight:600}
.service-card h3{font-size:1.16rem;color:var(--brand-dark);font-weight:600;margin-bottom:8px;font-family:var(--font-serif)}
.service-card p{font-size:.88rem;color:var(--muted);line-height:1.8;margin-bottom:0}

/* scenario */
.scenario{background:var(--bg-light)}
.scenario-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.scenario-card{display:flex;gap:18px;background:#fff;border-radius:var(--radius);padding:24px;border:1px solid rgba(24,90,80,.09);box-shadow:var(--shadow);transition:all .3s ease;align-items:flex-start}
.scenario-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.scenario-icon{width:44px;height:44px;flex-shrink:0;border-radius:12px;background:linear-gradient(135deg,var(--brand),#24796c);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1rem;margin-top:1px}
.scenario-content h3{font-size:.95rem;font-weight:600;color:var(--brand-dark);margin-bottom:4px}
.scenario-content p{font-size:.8rem;color:var(--muted);line-height:1.7}

/* deliverables */
.value-row{display:grid;grid-template-columns:1.03fr .97fr;gap:68px;align-items:center}
.value-info{}
.value-sub-title{font-family:var(--font-serif);font-size:clamp(1.25rem,2vw,1.65rem);color:var(--brand-dark);line-height:1.5;margin-bottom:20px;font-weight:700}
.value-lines{display:flex;flex-direction:column;gap:0}
.value-line-item{display:flex;gap:15px;padding:13px 0;border-bottom:1px dashed var(--line);align-items:center}
.value-line-item:last-child{border-bottom:0}
.value-line-num{font-family:var(--font-num);font-size:1.8rem;font-weight:700;color:var(--bg-light);flex-shrink:0;transition:color .3s;width:44px;text-align:right;line-height:1.2}
.value-line-item:hover .value-line-num{color:var(--clay)}
.value-line-item strong{font-size:.94rem;color:var(--text);display:block;font-weight:600}
.value-line-item span{font-size:.72rem;color:var(--muted);display:block;margin-top:3px}
.value-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-hover);z-index:1;min-height:320px}
.value-media img{width:100%;height:360px;object-fit:cover}
.value-media::after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,rgba(24,90,80,.2),transparent 60%)}

/* experience */
.experience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.experience-card{background:#fff;border-radius:var(--radius);padding:30px 28px;border:1px solid var(--line);box-shadow:var(--shadow);transition:all .3s;text-align:center}
.experience-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.experience-icon{width:62px;height:62px;border-radius:50%;background:var(--bg-light);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--brand);font-size:1.4rem}
.experience-card h3{font-size:1.08rem;font-weight:600;color:var(--brand-dark);margin-bottom:8px}
.experience-card p{font-size:.86rem;color:var(--muted);line-height:1.75}
.experience-num{font-family:var(--font-num);font-size:2.6rem;font-weight:700;color:var(--clay);line-height:1;margin-bottom:10px}

/* faq */
.faq-wrap{display:grid;grid-template-columns:.9fr 1.6fr;gap:50px;align-items:flex-start}
.faq-intro .sec-title{margin-bottom:16px}
.faq-side-note{background:var(--bg-light);border-radius:14px;padding:20px 20px;border:1px solid rgba(24,90,80,.1)}
.faq-side-note h4{font-size:.92rem;color:var(--brand-dark);font-weight:600;margin-bottom:8px}
.faq-side-note p{font-size:.8rem;color:var(--muted);line-height:1.7}
.accordion{}
.acc-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;box-shadow:0 1px 3px rgba(15,45,40,.03);transition:box-shadow .2s}
.acc-item.open{box-shadow:var(--shadow);border-color:rgba(24,90,80,.18)}
.acc-head{width:100%;display:flex;align-items:center;gap:14px;padding:20px 24px;background:transparent;border:none;cursor:pointer;text-align:left}
.acc-icon{width:30px;height:30px;flex-shrink:0;border-radius:50%;background:var(--bg-light);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:.72rem;transition:all .3s ease}
.acc-item.open .acc-icon{background:var(--brand);color:#fff;transform:rotate(45deg)}
.acc-question{font-size:1rem;font-weight:600;color:var(--text);letter-spacing:.01em;transition:color .2s}
.acc-question:hover{color:var(--brand)}
.acc-body{display:none;padding:0 24px 24px 68px}
.acc-item.open .acc-body{display:block;animation:fadeIn .28s ease}
.acc-body p{font-size:.9rem;color:var(--muted);line-height:1.8}
.acc-body-tag{display:inline-block;margin-top:12px;font-size:.75rem}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}

/* cta */
.cta-section{background:var(--brand-dark);position:relative;overflow:hidden}
.cta-section .container{position:relative;z-index:2}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;gap:42px;justify-content:space-between}
.cta-left{flex:1;min-width:420px}
.cta-left .sec-title{color:#fff}
.cta-left p{color:rgba(247,243,234,.72);font-size:.98rem;max-width:560px;line-height:1.85;margin-top:12px}
.cta-right{display:flex;flex-direction:column;align-items:center;gap:12px}
.cta-sym{width:72px;height:72px;border-radius:24px;background:var(--clay);display:flex;align-items:center;justify-content:center;font-size:1.7rem;color:#fff;box-shadow:0 18px 44px -18px rgba(225,110,63,.8);margin:0 auto}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px}
.deco{position:absolute;bottom:-80px;left:8%;width:240px;height:240px;border-radius:50%;border:1px solid rgba(225,110,63,.16)}

/* misc */
.bg-white{background:#fff}
.brand-word{font-family:var(--font-serif);font-weight:700;color:var(--brand-dark)}
.footer{margin-top:0}

/* footer */
.footer{background:var(--brand-dark);color:rgba(247,243,234,.72);padding:70px 0 28px;border-top:1px solid rgba(255,255,255,.05)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr .9fr 1fr;gap:48px;padding-bottom:46px;border-bottom:1px solid rgba(247,243,234,.1)}
.footer .brand{margin-bottom:12px}
.footer .brand-text .cn{color:#fff}
.footer .brand-text .sub{color:rgba(247,243,234,.5)}
.footer-brand p{font-size:.84rem;line-height:1.8;color:rgba(247,243,234,.55);margin-top:20px;max-width:340px}
.footer-title{font-family:var(--font-serif);font-size:.98rem;font-weight:600;color:#fff;margin-bottom:20px;position:relative;padding-bottom:12px}
.footer-title::after{content:"";position:absolute;bottom:0;left:0;width:28px;height:2px;background:var(--clay);border-radius:2px}
.footer-list li{margin-bottom:10px}
.footer-list a{display:inline-flex;align-items:center;gap:7px;color:rgba(247,243,234,.66);font-size:.88rem;line-height:1.6;transition:all .2s}
.footer-list a i{color:var(--clay);font-size:.7rem;transition:transform .2s}
.footer-list a:hover{color:#fff}
.footer-list a:hover i{transform:translateX(3px)}
.footer-foot{margin-top:26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:.78rem;color:rgba(247,243,234,.46)}
.footer-foot a{color:rgba(247,243,234,.7);text-decoration:underline;text-underline-offset:4px;transition:color .2s}
.footer-foot a:hover{color:#fff}

@media (max-width:1024px){
  .header-row{padding:0 18px}
  .desktop-nav,.header-nav-cta{display:none}
  .mobile-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-art{max-width:620px}
  .band .container{grid-template-columns:repeat(2,1fr)}
  .band-item{border-bottom:1px solid var(--line)}
  .band-item:nth-child(2n){border-right:0}
  .band-item:nth-child(n+3){border-bottom:0}
  .intro-block{grid-template-columns:1fr;gap:56px}
  .intro-media{max-width:680px}
  .intro-float-card{right:5%}
  .step-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .step-divider{display:none}
  .services-grid,.experience-grid{grid-template-columns:repeat(2,1fr)}
  .value-row{grid-template-columns:1fr;gap:56px}
  .faq-wrap{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:70px 0}
  .header-row .brand-text .sub{display:none}
  .hero-grid .container{padding-top:70px;padding-bottom:86px}
  .cta-inner{flex-direction:column;text-align:center}
  .cta-left{min-width:auto}
  .scenario-wrap{grid-template-columns:1fr}
  .value-media img{height:300px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .cta-section .cta-inner{flex-direction:column;text-align:center}
}
@media (max-width:560px){
  .header-info .container{padding:0 12px}
  .header-info .info-left .hide-on-mobile{display:none}
  .band .container{grid-template-columns:1fr;padding:10px 0}
  .band-item{border-right:0!important;border-bottom:1px solid var(--line);padding:20px 20px}
  .band-item:last-child{border-bottom:0}
  .step-grid{grid-template-columns:1fr}
  .services-grid,.experience-grid{grid-template-columns:1fr}
  .hero-btns .btn{width:100%}
  .footer-foot{flex-direction:column;align-items:center;text-align:center}
}
/* 分类页槽点 */
  .btn-nav{font-size:.85rem;padding:10px 18px}
  .header-cta{display:flex;gap:10px;margin-left:auto;flex-shrink:0;align-items:center}
}