/* roulang page: index */
:root{
  --paper:#F4F1EA;
  --paper-deep:#E9E4DA;
  --white:#FFFFFF;
  --ink:#1E2622;
  --forest:#1C2420;
  --forest-2:#24302B;
  --body:#3D4640;
  --muted:#7C837D;
  --line:#E0DACF;
  --line-dark:#39463F;
  --gold:#A8895A;
  --gold-soft:#C6AC7C;
  --radius:4px;
  --shadow-sm:0 2px 10px rgba(28,36,32,.08);
  --shadow-lg:0 20px 48px rgba(28,36,32,.14);
  --space:92px;
  --font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-stack);
  background:var(--paper);
  color:var(--body);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--forest)}
p{margin:0 0 1em}
h1,h2,h3,h4,h5{
  font-family:var(--font-stack);
  color:var(--ink);
  line-height:1.28;
  margin:0 0 .65em;
  font-weight:700;
}
h1{font-size:60px;letter-spacing:-1px}
h2{font-size:40px;letter-spacing:.2px}
h3{font-size:24px}
h4{font-size:19px}
@media(max-width:640px){
  h1{font-size:38px}
  h2{font-size:30px}
  h3{font-size:21px}
  :root{--space:60px}
}
.container{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
.row{padding-left:0;padding-right:0}
.columns{padding-left:12px;padding-right:12px}
.section{padding:var(--space) 0}
.section-head{margin-bottom:44px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between}
.eyebrow{
  font-size:12px;letter-spacing:.16em;color:var(--gold);
  text-transform:uppercase;font-weight:700;
  display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
}
.eyebrow::before{content:"";display:inline-block;width:22px;height:2px;background:var(--gold)}
.section-title{font-size:42px;line-height:1.25}
.section-desc{max-width:520px;color:var(--muted);font-size:15px;margin-top:10px}
@media(max-width:640px){
  .section-title{font-size:28px}
  .section-desc{font-size:14px}
  .section-head{display:block}
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  font-family:var(--font-stack);font-weight:600;
  font-size:15px;line-height:1;
  padding:15px 28px;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;position:relative;
  transition:all .22s ease;
}
.btn:focus{outline:2px solid var(--gold);outline-offset:3px}
.btn-primary{background:var(--forest);color:#F7F6F2}
.btn-primary:hover{background:#2D3A33;color:#fff;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost:hover{border-color:var(--gold-soft);color:var(--gold-soft);transform:translateY(-2px)}
.btn-outline{border-color:var(--line);background:transparent;color:var(--ink)}
.btn-outline:hover{border-color:var(--forest);background:var(--forest);color:#fff}
.btn-light{background:#F8F5EE;color:var(--forest)}
.btn-light:hover{background:#fff;color:var(--forest);transform:translateY(-2px)}
.btn-large{padding:18px 38px;font-size:16px}
.text-arrow{color:var(--gold);font-weight:600;font-size:15px;position:relative;cursor:pointer}
.text-arrow::after{content:"→";display:inline-block;margin-left:6px;transition:transform .22s ease;font-weight:400}
.text-arrow:hover::after{transform:translateX(5px)}

/* Header */
.site-header{
  position:fixed;left:0;right:0;top:0;z-index:80;
  background:rgba(244,241,234,.96);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s;
  backdrop-filter:blur(8px);
}
.header-inner{
  max-width:1280px;margin:0 auto;padding:0 24px;
  min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:9px}
.brand-mark{
  width:34px;height:34px;background:var(--forest);border-radius:7px;
  display:flex;align-items:center;justify-content:center;color:#fff;
  font-weight:800;letter-spacing:-1px;font-size:15px;
}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.4px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:8px 14px;font-size:15px;color:var(--body);
  border-radius:4px;font-weight:500;position:relative;
}
.nav-links a:hover{color:var(--forest)}
.nav-links a.active{color:var(--forest)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;background:var(--gold);
}
.header-actions{display:flex;align-items:center;gap:14px}
.header-actions .link-muted{font-size:14px;color:var(--muted)}
.header-actions .link-muted:hover{color:var(--forest)}
.header-cta{padding:12px 20px;font-size:14px}
.menu-icon{display:none;background:none;border:0;width:38px;height:38px;cursor:pointer}
.menu-icon span{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;transition:.2s}
@media(max-width:1024px){
  .nav-links,.header-actions{display:none}
  .menu-icon{display:block}
  .nav-links.open{
    display:flex;position:absolute;top:74px;left:0;right:0;background:var(--white);
    flex-direction:column;align-items:flex-start;padding:22px 24px 30px;
    border-bottom:1px solid var(--line);gap:8px;box-shadow:var(--shadow-lg);
  }
  .nav-links.open a{font-size:17px;padding:12px 2px;display:block;width:100%}
  .nav-links.open a.active::after{left:0;right:auto;width:30px;bottom:2px}
  .header-cta-wrap.close-cta{display:block;padding-top:8px}
}
@media(max-width:420px){
  .header-inner{padding:0 16px}
}

/* Hero */
.hero{
  min-height:100vh;display:flex;align-items:center;position:relative;
  background:url('/assets/images/backpic/back-1.png') center 35% / cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(18,24,22,.9) 0%,rgba(18,24,22,.65) 55%,rgba(18,24,22,.4) 100%);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:100px;
  background:linear-gradient(to top,rgba(28,36,32,.55),transparent);
}
.hero-content{position:relative;z-index:2;padding:0 24px;width:100%}
.hero-inner{max-width:1240px;margin:0 auto;padding:110px 0 80px}
.hero .hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  color:#D9CFC0;font-size:14px;letter-spacing:.12em;margin-bottom:18px;
}
.hero .hero-kicker::before{content:"";width:30px;height:1px;background:var(--gold)}
.hero h1{
  color:#fff;font-size:72px;font-weight:800;letter-spacing:-1.5px;
  max-width:680px;line-height:1.16;margin-bottom:20px;
}
.hero-sub{
  color:rgba(255,255,255,.85);font-size:18px;max-width:440px;line-height:1.8;
  margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:17px;align-items:center}
.hero-scroll{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  color:rgba(255,255,255,.7);z-index:3;font-size:13px;letter-spacing:.2em;
  display:flex;flex-direction:column;align-items:center;animation:float 2.6s infinite ease-in-out;
}
.hero-scroll::after{content:"";width:1px;height:24px;background:rgba(255,255,255,.5);margin-top:8px}
@keyframes float{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,10px)}}
@media(max-width:640px){
  .hero{background-position:center center}
  .hero h1{font-size:36px;letter-spacing:-.2px}
  .hero-sub{font-size:16px}
}

/* Trust bar */
.trust-bar{border-bottom:1px solid var(--line);background:var(--paper);padding:14px 0;font-size:13px;color:var(--muted)}
.trust-list{display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:center;letter-spacing:.06em}
.trust-list .dot{width:3px;height:3px;background:var(--gold);border-radius:50%;margin-right:20px}
.trust-list span{display:inline-flex;align-items:center;gap:8px}
@media(max-width:640px){.trust-bar{font-size:12px}.trust-list{gap:8px 14px}}

/* Feature section */
.feature-section{background:var(--white)}
.feature-layout{display:grid;grid-template-columns:5fr 7fr;gap:70px;align-items:flex-start}
.feature-copy{padding-right:20px;position:sticky;top:130px}
.feature-copy .lead{font-size:18px;color:var(--body);margin-top:8px;line-height:1.9}
.feature-copy .btn{margin-top:16px}
.feature-list{display:flex;flex-direction:column}
.feature-item{
  display:grid;grid-template-columns:72px 1fr;padding:28px 0;border-bottom:1px solid var(--line);align-items:start;
  transition:padding-left .25s ease;
}
.feature-item:hover{padding-left:8px}
.feature-item:first-child{padding-top:8px}
.feature-index{
  font-size:15px;color:var(--gold);font-weight:600;font-family:Georgia,serif;line-height:1;
}
.feature-item h3{font-size:21px;margin-bottom:9px}
.feature-item p{font-size:15px;color:var(--muted);margin-bottom:13px;line-height:1.8}
.feature-item .arrow-link{font-size:14px;color:var(--gold);font-weight:600}
.feature-item .arrow-link:hover{color:var(--forest)}
@media(max-width:1024px){
  .feature-layout{grid-template-columns:1fr;gap:20px}
  .feature-copy{position:static;top:auto}
}
@media(max-width:640px){
  .feature-item{grid-template-columns:42px 1fr;padding:22px 0}
  .feature-item h3{font-size:18px}
}

/* Scenario / showcase */
.scenario-section{
  background:var(--forest);color:#E3E3DC;position:relative;overflow:hidden;
}
.scenario-section::before{
  content:"";position:absolute;top:-150px;right:-150px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(168,137,90,.2),transparent 70%);
}
.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:66px;align-items:center;position:relative}
.scenario-media{position:relative;border-radius:3px;overflow:hidden;aspect-ratio:4/3;background:#2D3A33}
.scenario-media img{object-fit:cover;width:100%;height:100%;opacity:.92;transition:transform .4s ease}
.scenario-media:hover img{transform:scale(1.03)}
.scenario-float{
  position:absolute;right:-22px;bottom:38px;background:rgba(160,132,88,.96);
  padding:12px 18px;font-size:14px;color:#fff;font-weight:600;
  border-radius:2px;letter-spacing:.04em;
}
.scenario-float span{display:block;font-weight:400;font-size:12px;letter-spacing:.12em;opacity:.8;margin-top:2px}
.scenario-content h2{color:#fff;font-size:37px;margin-bottom:12px}
.scenario-content .eyebrow{color:var(--gold-soft)}
.scenario-desc{color:rgba(255,255,255,.74);font-size:16px;margin:0 0 22px}
.steps{display:flex;flex-direction:column;border-left:1px solid var(--line-dark);padding-left:0;margin-top:14px}
.step-item{position:relative;padding:14px 0 14px 38px;border-bottom:1px solid rgba(255,255,255,.08)}
.step-item::before{
  content:"";position:absolute;left:-5px;top:24px;width:9px;height:9px;
  background:var(--forest-2);border:2px solid var(--gold);border-radius:50%;
}
.step-item h4{color:#E8E0D2;font-size:17px;margin-bottom:5px;}
.step-item p{color:rgba(255,255,255,.55);font-size:14px;margin:0}
@media(max-width:1024px){
  .scenario-grid{grid-template-columns:1fr;gap:40px;}
  .scenario-float{right:8px;bottom:-14px}
}
@media(max-width:640px){
  .scenario-float{position:relative;right:auto;bottom:auto;margin-top:12px;display:inline-block}
  .step-item{padding-left:20px}
  .step-item::before{left:-5px}
}

/* Testimonial / proof */
.proof-section{background:var(--paper)}
.proof-quote{
  text-align:center;font-size:26px;color:var(--ink);max-width:860px;margin:0 auto 52px;
  line-height:1.65;font-weight:500;
}
.proof-quote .quote-mark{color:var(--gold);display:block;font-size:54px;line-height:.5;margin-bottom:20px;font-family:Georgia,serif}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-bottom:54px}
.testi-card{
  background:var(--white);border:1px solid var(--line);padding:30px 28px;
  border-radius:var(--radius);transition:all .25s ease;
}
.testi-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm)}
.testi-card p{margin:0 0 22px;font-size:15px;color:var(--body)}
.testi-meta{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:19px}
.testi-avatar{
  width:38px;height:38px;border-radius:50%;
  background:var(--forest);color:var(--gold-soft);display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;
}
.testi-name{font-size:14px;color:var(--ink);font-weight:600}
.testi-role{font-size:12px;color:var(--muted)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);background:var(--white);border-radius:var(--radius);overflow:hidden}
.stat-item{padding:31px 16px;text-align:center;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:0}
.stat-item .num{font-size:42px;color:var(--forest);font-weight:800;line-height:1.1;letter-spacing:-.5px}
.stat-item .label{font-size:13px;color:var(--muted);letter-spacing:.06em;margin-top:5px}
@media(max-width:1024px){
  .testimonials-grid{grid-template-columns:1fr 1fr}
  .proof-quote{font-size:21px}
}
@media(max-width:640px){
  .testimonials-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-item{padding:24px 8px}
  .stat-item .num{font-size:31px}
  .stat-item:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .stat-item:nth-child(4){border-top:1px solid var(--line)}
}

/* News CMS section */
.news-section{background:var(--white)}
.news-header-block{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:38px}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--radius);
  padding:72px 30px;text-align:center;color:var(--muted);font-size:15px;background:var(--paper);
}
.news-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm);border-color:#d4d0c5}
.news-thumb{aspect-ratio:16/10;overflow:hidden;position:relative;border-bottom:1px solid var(--line);background:#f0ece4}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-thumb-fallback{height:100%;display:flex;align-items:center;justify-content:center;color:#C5C3BA;font-weight:800;font-size:24px}
.news-body{padding:21px 22px 19px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;margin-bottom:8px;line-height:1.5}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--gold)}
.news-excerpt{font-size:13px;color:var(--muted);margin-bottom:16px;flex:1}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--forest)}
.news-meta .category{display:inline-flex;background:rgba(168,137,90,.16);border-radius:2px;padding:3px 9px;font-size:12px;color:var(--gold)}
.news-meta time{color:var(--muted);font-size:12.5px}
.news-list-section{}
@media(max-width:640px){
  .news-header-block{display:block}
  .news-header-block .btn{margin-top:14px}
}

/* FAQ */
.faq-section{background:var(--paper)}
.faq-wrap{max-width:840px;margin-top:48px}
.faq-item{border-bottom:1px solid var(--line);background:transparent}
.faq-item:first-of-type{border-top:1px solid var(--line)}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;
  padding:22px 32px 22px 0;font-size:17px;font-weight:600;color:var(--ink);
  font-family:var(--font-stack);cursor:pointer;position:relative;line-height:1.4;
}
.faq-q::after{
  content:"＋";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:300;color:var(--gold);transition:transform .25s ease;
}
.faq-item.is-active .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .36s ease;
}
.faq-a-inner{padding:0 42px 26px 0;color:var(--body);font-size:15px;line-height:1.9}

/* Final CTA */
.final-cta{
  background:url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  position:relative;text-align:center;padding:98px 0;overflow:hidden;
}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(28,36,32,.96),rgba(37,47,41,.88));
}
.final-cta-content{position:relative;z-index:2;max-width:680px;margin:0 auto;padding:0 24px}
.final-cta h2{display:inline-block;color:#F8F6F1;font-size:40px}
.final-cta p{color:rgba(255,255,255,.74);font-size:17px;margin:12px 0 28px}
.final-cta .btn-light:hover{background:var(--gold-soft);}
@media(max-width:640px){
  .final-cta{padding:70px 0}
  .final-cta h2{font-size:29px}
}

/* Footer */
.site-footer{background:var(--forest);color:#B8BEB7;font-size:14px}
.footer-top{
  padding:62px 0 42px;display:grid;grid-template-columns:1.3fr .7fr .8fr 1.2fr;gap:36px;
}
.footer-brand .brand .brand-name{color:#E7E0D5}
.footer-brand p{color:rgba(255,255,255,.5);font-size:13px;line-height:1.9;margin-top:16px}
.footer-heading{color:#E7E0D5;font-size:16px;margin-bottom:17px;font-weight:600}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:9px}
.footer-links a{color:#B8BEB7}
.footer-links a:hover{color:var(--gold-soft)}
.footer-contact{color:#B8BEB7;margin-bottom:9px;display:flex;gap:6px}
.footer-bottom{
  border-top:1px solid #2A3630;padding:19px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.38);
}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--gold-soft)}
@media(max-width:1024px){
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:640px){
  .footer-top{grid-template-columns:1fr;padding-top:40px}
  .footer-bottom .column{font-size:11px}
}

/* Bottom fixed bar */
.fixed-bar{
  position:fixed;bottom:-120px;left:0;right:0;z-index:60;background:#fff;
  border-top:1px solid var(--line);box-shadow:0 -8px 30px rgba(0,0,0,.06);
  transition:bottom .4s cubic-bezier(.22,.61,.36,1);
}
.fixed-bar.show{bottom:0}
.fixed-bar-inner{display:flex;align-items:center;justify-content:center;gap:20px;max-width:1200px;margin:0 auto;padding:14px 20px}
.fixed-bar-text{font-size:15px;font-weight:600;color:var(--ink);text-align:center}
.fixed-bar-text small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:2px}
.fixed-bar .btn{padding:11px 22px;font-size:14px;line-height:1.2}
@media(max-width:640px){
  .fixed-bar-inner{flex-direction:column;gap:9px;padding:11px 14px}
  .fixed-bar-text small{display:none}
  body{padding-bottom:0}
  .fixed-bar-text{font-size:13px}
}
@media print{
  .fixed-bar,.menu-icon,.hero-scroll,.site-header{display:none}
  .site-header{position:static}
  .section{padding:30px 0}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
}

/* Utility */
.bg-forest-side{background:linear-gradient(120deg,#F5F2EB 65%,#EAE4DA 65.2%)}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}

/* roulang page: category1 */
:root {
  --paper: #f5f3ee;
  --white: #ffffff;
  --ink: #151a17;
  --green: #1c2420;
  --green-light: #2b3731;
  --text: #39423c;
  --muted: #667068;
  --line: #e2ddd3;
  --gold: #a8895a;
  --gold-dark: #855f33;
  --shadow: 0 14px 40px rgba(22, 30, 26, 0.08);
  --radius: 5px;
  --container: 1200px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Heiti SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

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

.section {
  padding: 104px 0;
}

.section.tight {
  padding-top: 60px;
}

.bg-paper {
  background: var(--paper);
}

.bg-white {
  background: var(--white);
}

.bg-ink {
  background: var(--green);
  color: #f5f3ee;
}

.section-head {
  max-width: 760px;
  margin-bottom: 56px;
}

.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gold-dark);
  font-size: 14px;
  letter-spacing: 0.2em;
  font-weight: 600;
  margin-bottom: 18px;
}

.section-head .eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold);
  display: inline-block;
}

.section-head h2 {
  font-size: clamp(32px, 5vw, 46px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--green);
  font-weight: 600;
}

.section-head p {
  font-size: 16px;
  color: var(--muted);
  margin: 18px 0 0;
  max-width: 660px;
}

.section-head.left-centered {
  margin-left: 0;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 28px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.2s ease;
  background: transparent;
  color: var(--ink);
}

.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset;
}

.btn-primary:hover {
  background: #33433b;
  color: #fff;
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-line {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.btn-line:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

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

.btn-light:hover {
  background: #ebe7de;
  color: var(--green);
}

.btn-ghost {
  border-color: #c6c0b2;
  color: var(--green);
}

.btn-ghost:hover {
  border-color: var(--green);
  background: rgba(28, 36, 32, 0.04);
}

.btn-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold-dark);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  padding: 5px 0;
}

.btn-link-arrow:hover {
  border-color: var(--gold);
  color: var(--green);
}

.btn-link-arrow span {
  transition: transform 0.22s var(--ease);
}

.btn-link-arrow:hover span {
  transform: translateX(5px);
}

/* ===== Site Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fbfaf6;
  border-bottom: 1px solid var(--line);
  backdrop-filter: none;
}

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

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: var(--green);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  font-style: italic;
  letter-spacing: -0.04em;
  border-radius: 4px;
  box-shadow: 0 0 0 1px var(--green) inset;
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: -3px;
  bottom: -3px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 1px;
}

.brand-name {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--green);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  margin: 0;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 0;
  position: relative;
  border-bottom: 2px solid transparent;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s var(--ease);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

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

.menu-icon {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 0;
  padding: 10px;
  cursor: pointer;
}

.menu-icon span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 96px 0 84px;
  background:
    linear-gradient(110deg, rgba(28, 36, 32, 0.97) 0%, rgba(28, 36, 32, 0.86) 55%, rgba(55, 61, 57, 0.62) 100%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  color: #f5f3ee;
  overflow: hidden;
}

.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(245, 243, 238, 0.72);
  margin-bottom: 34px;
}

.hero-breadcrumb a {
  color: rgba(245, 243, 238, 0.82);
}

.hero-breadcrumb a:hover {
  color: #fff;
}

.hero-breadcrumb .sep {
  color: var(--gold);
}

.page-hero h1 {
  font-size: clamp(52px, 8vw, 88px);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 600;
  color: #fff;
  margin: 0 0 24px;
  position: relative;
  display: inline-block;
}

.page-hero h1::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: var(--gold);
  margin-top: 20px;
}

.page-hero .lead {
  max-width: 620px;
  font-size: 18px;
  line-height: 1.9;
  color: rgba(245, 243, 238, 0.86);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-lines {
  position: absolute;
  right: 8%;
  bottom: 8%;
  color: rgba(255, 255, 255, 0.08);
  font-size: 170px;
  font-weight: 800;
  letter-spacing: -0.08em;
  font-style: italic;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

@media (max-width: 900px) {
  .hero-lines {
    font-size: 110px;
    right: 4%;
  }
}

/* ===== Overview large block ===== */
.overview-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 72px;
  align-items: center;
}

.overview-copy h2 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.3;
  color: var(--green);
  margin-top: 0;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.overview-copy .lead-text {
  font-size: 18px;
  line-height: 2;
  color: var(--text);
  margin-bottom: 28px;
}

.overview-copy p + p {
  margin-top: 18px;
}

.overview-list {
  list-style: none;
  margin: 26px 0 38px;
  padding: 0;
}

.overview-list li {
  position: relative;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 12px;
}

.overview-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 9px;
  background: var(--gold);
  border-radius: 1px;
  transform: rotate(0deg);
}

.overview-media {
  position: relative;
}

.overview-media .frame {
  overflow: hidden;
  border-radius: 8px;
  background: #eae6dd;
  box-shadow: var(--shadow);
}

.overview-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transform: scale(1);
  transition: transform 0.6s var(--ease);
}

.overview-media img:hover {
  transform: scale(1.02);
}

.overview-media::before {
  content: "";
  position: absolute;
  left: -18px;
  bottom: -18px;
  width: 52%;
  height: 52%;
  border: 1px solid var(--gold);
  border-radius: 8px;
  z-index: 0;
  pointer-events: none;
}

.overview-media .frame {
  position: relative;
  z-index: 1;
}

@media (max-width: 900px) {
  .overview-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .overview-media img {
    height: 280px;
  }
}

/* ===== Services scope: 2 x 2 grid ===== */
.scope-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-cell {
  background: var(--white);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 46px 42px 44px;
  transition: background 0.25s ease, transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: relative;
}

.service-cell:hover {
  background: #faf9f5;
  z-index: 2;
  box-shadow: 0 0 0 1px rgba(168, 137, 90, 0.2);
}

.service-cell .cell-no {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--gold-dark);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.service-cell .cell-no::after {
  content: "";
  width: 44px;
  height: 1px;
  background: var(--line);
}

.service-cell h3 {
  font-size: 22px;
  margin: 0 0 18px;
  color: var(--green);
  font-weight: 600;
}

.service-cell p {
  margin: 0 0 20px;
  color: var(--text);
  font-size: 16px;
}

.service-cell ul {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.service-cell ul li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}

.service-cell ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 6px;
  height: 6px;
  border-left: 1.5px solid var(--gold);
  border-bottom: 1.5px solid var(--gold);
  transform: rotate(-45deg);
}

@media (max-width: 800px) {
  .scope-grid {
    grid-template-columns: 1fr;
  }

  .service-cell {
    padding: 30px 26px;
  }
}

/* ===== Content principle strip ===== */
.principle-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0;
  background: rgba(255, 255, 255, 0.4);
}

.principle-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.strip-item {
  padding: 36px 30px;
  border-left: 1px solid var(--line);
}

.strip-item:first-child {
  border-left: 0;
}

.strip-item strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 8px;
}

.strip-item strong::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--gold);
  margin-right: 12px;
  vertical-align: 2px;
}

.strip-item span {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  display: block;
}

@media (max-width: 900px) {
  .principle-strip {
    overflow-x: auto;
  }
  .principle-inner {
    grid-template-columns: repeat(3, 260px);
  }
  .strip-item {
    border-left: 0;
    border-right: 1px solid var(--line);
  }
}

/* ===== Process ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 6px;
}

.process-step {
  position: relative;
  padding: 36px 28px 34px;
  background: var(--paper);
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.3s var(--ease), border-color 0.2s ease;
}

.process-step:hover {
  transform: translateY(-4px);
  border-color: rgba(168, 137, 90, 0.6);
}

.process-step .process-num {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  font-size: 40px;
  font-weight: 700;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--gold);
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 28px;
}

.process-step .process-num::after {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gold);
  margin-top: 21px;
}

.process-step h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--green);
  margin: 0 0 12px;
}

.process-step p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
  line-height: 1.85;
}

@media (max-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Small CTA ===== */
.mini-cta {
  margin-top: 52px;
  padding: 28px 34px;
  border: 1px solid var(--line);
  background: var(--white);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--radius);
}

.mini-cta p {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--green);
}

.mini-cta .btn-ghost {
  margin-left: 16px;
}

/* ===== mid-page image banner ==== */
.feature-banner {
  position: relative;
  padding: 96px 0;
  background:
    linear-gradient(102deg, rgba(28, 36, 32, 0.9) 0%, rgba(28, 36, 32, 0.68) 62%, rgba(28, 36, 32, 0.35) 100%),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  color: #f5f3ee;
}

.feature-banner .inner {
  max-width: 720px;
}

.feature-banner .label {
  font-size: 13px;
  color: var(--gold);
  font-weight: 600;
  padding: 6px 14px;
  border: 1px solid rgba(168, 137, 90, 0.7);
  display: inline-block;
  margin-bottom: 26px;
  border-radius: 2px;
}

.feature-banner h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.3;
  font-weight: 600;
  margin: 0 0 16px;
  color: #fff;
}

.feature-banner p {
  color: rgba(245, 243, 238, 0.84);
  font-size: 17px;
  margin: 0 0 34px;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 900px;
}

.faq-title {
  font-size: clamp(28px, 4vw, 40px);
  color: var(--green);
  margin: 0 0 18px;
}

.faq-subtitle {
  margin: 0 0 44px;
  color: var(--muted);
  font-size: 16px;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  list-style: none;
  padding: 28px 46px 28px 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--green);
  cursor: pointer;
  position: relative;
  transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--gold-dark);
}

.faq-item summary::before,
.faq-item summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 18px;
  height: 1.6px;
  background: var(--gold-dark);
  transition: transform 0.25s var(--ease);
}

.faq-item summary::after {
  transform: rotate(90deg);
}

.faq-item[open] summary::after {
  transform: rotate(0deg);
}

.faq-item .faq-answer {
  padding: 0 40px 30px 0;
  max-width: 830px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

/* ===== Final CTA ===== */
.final-cta {
  position: relative;
  padding: 116px 0;
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(28, 36, 32, 0.95) 0%, rgba(28, 36, 32, 0.87) 62%, rgba(28, 36, 32, 0.74) 100%),
    url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  color: #f5f3ee;
}

.final-cta .inner {
  max-width: 880px;
}

.final-cta h2 {
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
  color: #fff;
}

.final-cta p {
  max-width: 660px;
  color: rgba(245, 243, 238, 0.8);
  font-size: 17px;
  margin: 0 0 40px;
}

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

/* ===== Footer ===== */
.site-footer {
  background: #171e1a;
  color: rgba(245, 243, 238, 0.7);
  padding: 76px 0 34px;
}

.site-footer .brand-name {
  color: #f5f3ee;
}

.site-footer .brand-mark {
  background: #f5f3ee;
  color: #171e1a;
  box-shadow: none;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1.2fr;
  gap: 54px;
  padding-bottom: 54px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.brand-footer p {
  font-size: 15px;
  margin: 22px 0 0;
  color: rgba(245, 243, 238, 0.58);
  line-height: 1.8;
}

.footer-heading {
  font-size: 14px;
  font-weight: 600;
  color: rgba(245, 243, 238, 0.95);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 14px;
}

.footer-heading::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--gold);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 15px;
  color: rgba(245, 243, 238, 0.66);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: #fff;
  padding-left: 5px;
}

.footer-contact {
  font-size: 15px;
  color: rgba(245, 243, 238, 0.66);
  line-height: 1.9;
}

.footer-contact + .footer-contact {
  margin-top: 14px;
}

.footer-bottom {
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(245, 243, 238, 0.38);
}

@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 34px;
  }
}

/* ===== Responsive navigation ===== */
@media (max-width: 1023px) {
  .header-inner {
    min-height: 68px;
  }

  .menu-icon {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fbfaf6;
    border-bottom: 1px solid var(--line);
    padding: 10px 24px 24px;
    margin: 0;
    display: none;
    box-shadow: 0 20px 38px rgba(30, 36, 33, 0.08);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 13px 2px;
    font-size: 16px;
    border-bottom: 1px solid var(--line);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links a.active {
    color: var(--gold-dark);
    font-weight: 600;
  }
}

@media (min-width: 1024px) {
  .nav-links {
    position: static;
    flex-direction: row;
    background: none;
    box-shadow: none;
    padding: 0;
  }
}

/* ===== print & reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  .site-header,
  .menu-icon,
  .site-footer,
  .hero-actions,
  .final-cta .cta-actions {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .page-hero,
  .feature-banner,
  .final-cta {
    background: #f5f3ee !important;
    color: var(--ink) !important;
  }

  .page-hero h1,
  .feature-banner h2,
  .final-cta h2 {
    color: #1c2420 !important;
  }

  .page-hero .lead,
  .feature-banner p,
  .final-cta p {
    color: #39423c !important;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 68px 0;
  }

  .header-inner .brand-name {
    font-size: 17px;
  }

  .page-hero {
    padding: 60px 0 56px;
  }

  .page-hero .lead {
    font-size: 16px;
  }

  .overview-media img {
    height: 230px;
  }

  .section-head {
    margin-bottom: 38px;
  }

  .mini-cta {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .mini-cta .btn-ghost {
    margin-left: 0;
  }
}

/* roulang page: article */
:root {
    --mk-bg: #F5F3EE;
    --mk-surface: #FFFFFF;
    --mk-ink: #151A17;
    --mk-dark: #1C2420;
    --mk-text: #2A2F2A;
    --mk-body: #414742;
    --mk-muted: #5D645E;
    --mk-weak: #8C938C;
    --mk-line: #E4E0D7;
    --mk-line-soft: #EFEBE2;
    --mk-accent: #A8895A;
    --mk-accent-dark: #937639;
    --mk-accent-soft: #F0E8DC;
    --mk-radius-sm: 3px;
    --mk-radius: 6px;
    --mk-radius-lg: 12px;
    --mk-shadow-sm: 0 2px 12px rgba(28, 36, 32, .05);
    --mk-shadow-md: 0 18px 48px rgba(28, 36, 32, .08);
    --mk-font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", Arial, sans-serif;
    --mk-transition: 220ms cubic-bezier(.2, .7, .3, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--mk-font);
    color: var(--mk-text);
    background: var(--mk-bg);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: inline-block; vertical-align: middle; }
a {
    color: var(--mk-ink);
    text-decoration: none;
    transition: color var(--mk-transition), border-color var(--mk-transition), background var(--mk-transition);
}
a:hover { color: var(--mk-accent); }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
button { cursor: pointer; }

.container { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--mk-accent);
    z-index: 1200;
    pointer-events: none;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(245, 243, 238, .9);
    border-bottom: 1px solid transparent;
    transition: background var(--mk-transition), border-color var(--mk-transition), box-shadow var(--mk-transition);
}
.site-header.scrolled {
    background: rgba(255, 255, 255, .98);
    border-color: var(--mk-line);
    box-shadow: 0 8px 30px rgba(28, 36, 32, .04);
}
.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 84px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--mk-dark);
    color: var(--mk-bg);
    font-weight: 800;
    font-size: 15px;
    letter-spacing: .04em;
    border-radius: var(--mk-radius-sm);
    transition: background var(--mk-transition);
}
.brand:hover .brand-mark { background: var(--mk-accent); color: #fff; }
.brand-name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--mk-dark);
}
.menu-icon {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--mk-line);
    background: var(--mk-surface);
    border-radius: var(--mk-radius-sm);
    align-items: center;
    justify-content: center;
    gap: 5px;
    flex-direction: column;
    padding: 0;
}
.menu-icon span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--mk-dark);
    transition: transform .2s ease, opacity .2s ease;
}
.menu-icon[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-icon[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-icon[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
}
.nav-links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    font-size: 15px;
    color: var(--mk-ink);
    border-radius: var(--mk-radius-sm);
    font-weight: 500;
    line-height: 1.2;
}
.nav-links a::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 4px;
    height: 2px;
    background: var(--mk-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--mk-transition);
}
.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
}
.nav-links a.active {
    font-weight: 700;
    color: var(--mk-dark);
}

.article-main {
    background: var(--mk-bg);
    padding: 40px 0 110px;
}
.article-frame {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 24px;
}

.breadcrumb {
    max-width: 960px;
    margin: 0 auto 26px;
    color: var(--mk-muted);
    font-size: 13px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.breadcrumb a {
    color: var(--mk-muted);
    text-decoration: none;
}
.breadcrumb a:hover { color: var(--mk-accent); }
.breadcrumb .separator { color: var(--mk-weak); }
.breadcrumb .current { color: var(--mk-dark); font-weight: 500; }

.article-sheet {
    background: var(--mk-surface);
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius-lg);
    box-shadow: var(--mk-shadow-sm);
    overflow: hidden;
}
.article-reading {
    max-width: 730px;
    margin-left: auto;
    margin-right: auto;
}
.post-head {
    padding: 60px 24px 28px;
}
.post-outer {
    padding: 0 24px;
}
@media screen and (min-width: 768px) {
    .post-head { padding: 72px 56px 24px; }
    .post-outer { padding: 0 56px; }
}
@media screen and (min-width: 1024px) {
    .post-head { padding-left: 72px; padding-right: 72px; }
    .post-outer { padding-left: 72px; padding-right: 72px; }
}

.article-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .12em;
    color: var(--mk-accent);
    text-transform: uppercase;
    margin-bottom: 18px;
}
.article-eyebrow::before {
    content: "";
    width: 20px;
    height: 2px;
    background: var(--mk-accent);
    display: inline-block;
}
.post-title {
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.32;
    margin: 0 0 22px;
    color: var(--mk-dark);
    font-weight: 800;
    letter-spacing: -.01em;
}
.post-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--mk-muted);
    font-size: 14px;
}
.post-meta .category {
    display: inline-flex;
    align-items: center;
    background: var(--mk-accent-soft);
    color: var(--mk-accent-dark);
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 13px;
}
.post-meta time {
    color: var(--mk-weak);
}
.meta-sep {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--mk-line);
    display: inline-block;
}

.post-body {
    padding: 24px 24px 58px;
}
@media screen and (min-width: 768px) {
    .post-body { padding: 20px 56px 64px; }
}
@media screen and (min-width: 1024px) {
    .post-body { padding-left: 72px; padding-right: 72px; }
}
.article-reading {
    max-width: 730px;
}
.post-content {
    font-size: 17px;
    line-height: 2;
    color: var(--mk-text);
    word-wrap: break-word;
}
.post-content p {
    margin: 0 0 1.8em;
}
.post-content img {
    width: 100%;
    height: auto;
    border-radius: var(--mk-radius);
    margin: 2em 0;
    box-shadow: var(--mk-shadow-sm);
}
.post-content figure {
    margin: 2.4em 0;
}
.post-content figure img {
    margin: 0;
}
.post-content figcaption {
    text-align: center;
    color: var(--mk-weak);
    font-size: 13px;
    margin-top: 10px;
    line-height: 1.6;
}
.post-content h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--mk-dark);
    margin: 2.2em 0 .8em;
    line-height: 1.4;
}
.post-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--mk-dark);
    margin: 2em 0 .7em;
    line-height: 1.45;
}
.post-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--mk-dark);
    margin: 1.8em 0 .6em;
}
.post-content a {
    color: var(--mk-accent);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
}
.post-content a:hover { color: var(--mk-accent-dark); }
.post-content ul {
    margin: 0 0 1.8em;
    padding: 0;
    list-style: none;
}
.post-content ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: .6em;
}
.post-content ul li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: .85em;
    width: 12px;
    height: 2px;
    background: var(--mk-accent);
}
.post-content ol {
    margin: 0 0 1.8em;
    padding-left: 24px;
}
.post-content ol li {
    margin-bottom: .6em;
    padding-left: 4px;
}
.post-content blockquote {
    margin: 2.4em 0;
    padding: 20px 24px;
    background: #FAF8F3;
    border-left: 3px solid var(--mk-accent);
    color: var(--mk-muted);
    font-size: 16px;
    border-radius: 0 var(--mk-radius) var(--mk-radius) 0;
}
.post-content blockquote p {
    margin: 0;
}
.post-content hr {
    border: 0;
    border-top: 1px solid var(--mk-line);
    margin: 3.4em 0;
}
.post-content code {
    background: #F3EFE7;
    color: #7A5A2A;
    padding: 3px 7px;
    border-radius: 4px;
    font-size: .9em;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
.post-content pre {
    background: var(--mk-dark);
    color: #E9E7DE;
    border-radius: var(--mk-radius);
    padding: 22px 24px;
    overflow-x: auto;
    line-height: 1.7;
    margin: 2em 0;
}
.post-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}
.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2em 0;
    font-size: 15px;
}
.post-content th {
    text-align: left;
    font-weight: 700;
    background: var(--mk-bg);
    color: var(--mk-dark);
    border: 1px solid var(--mk-line);
    padding: 12px 14px;
}
.post-content td {
    border: 1px solid var(--mk-line);
    padding: 11px 14px;
    color: var(--mk-body);
}
.post-content tr:nth-child(even) td {
    background: #FAF9F5;
}

.post-foot {
    padding: 28px 24px 60px;
    border-top: 1px solid var(--mk-line-soft);
}
@media screen and (min-width: 768px) {
    .post-foot { padding: 32px 56px 64px; }
}
@media screen and (min-width: 1024px) {
    .post-foot { padding-left: 72px; padding-right: 72px; }
}
.post-foot .foot-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}
.foot-action {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.foot-link a {
    color: var(--mk-muted);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.foot-link a:hover { color: var(--mk-accent); }

.channel-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.channel-tags .tag-label {
    font-size: 13px;
    color: var(--mk-weak);
}
.channel-tags a {
    display: inline-flex;
    align-items: center;
    background: var(--mk-bg);
    border: 1px solid var(--mk-line);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    color: var(--mk-body);
    transition: all var(--mk-transition);
}
.channel-tags a:hover {
    background: var(--mk-accent-soft);
    border-color: var(--mk-accent);
    color: var(--mk-accent-dark);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 26px;
    border: 1px solid transparent;
    border-radius: var(--mk-radius-sm);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    transition: background var(--mk-transition), color var(--mk-transition), border-color var(--mk-transition), transform .1s ease;
}
.btn:hover {
    color: #fff;
}
.btn:active {
    transform: scale(.99);
}
.btn:focus-visible {
    outline: 2px solid var(--mk-accent);
    outline-offset: 3px;
}

.btn-primary {
    background: var(--mk-dark);
    color: #F5F3EE;
    border-color: var(--mk-dark);
}
.btn-primary:hover {
    background: #111814;
    color: #ffffff;
    border-color: #111814;
}

.btn-outline {
    background: transparent;
    border-color: var(--mk-dark);
    color: var(--mk-dark);
}
.btn-outline:hover {
    background: var(--mk-dark);
    color: #fff;
    border-color: var(--mk-dark);
}

.btn-light {
    background: #F5F3EE;
    color: var(--mk-dark);
    border-color: transparent;
}
.btn-light:hover {
    background: var(--mk-accent);
    color: #fff;
    border-color: var(--mk-accent);
}

.btn-sm {
    min-height: 38px;
    padding: 0 16px;
    font-size: 13px;
}
.btn-ghost {
    background: transparent;
    border-color: var(--mk-line);
    color: var(--mk-muted);
}
.btn-ghost:hover {
    border-color: var(--mk-line);
    background: var(--mk-bg);
    color: var(--mk-dark);
}

.related-section {
    margin-top: 84px;
}
.related-section .section-head {
    margin-bottom: 36px;
}
.section-kicker {
    display: block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .16em;
    color: var(--mk-accent);
    margin-bottom: 12px;
}
.related-section h2 {
    font-size: clamp(26px, 3vw, 36px);
    color: var(--mk-dark);
    font-weight: 800;
    margin: 0 0 12px;
    letter-spacing: -.01em;
    line-height: 1.3;
}
.section-sub {
    color: var(--mk-muted);
    font-size: 15px;
    max-width: 520px;
    line-height: 1.8;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    background: var(--mk-surface);
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius-lg);
    overflow: hidden;
    transition: transform var(--mk-transition), box-shadow var(--mk-transition), border-color var(--mk-transition);
}
.related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--mk-shadow-md);
    border-color: #D6CDBB;
}
.related-card-media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--mk-bg);
}
.related-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--mk-transition);
}
.related-card:hover .related-card-media img {
    transform: scale(1.03);
}
.related-card-body {
    padding: 26px 26px 28px;
}
.related-card .card-tag {
    display: inline-flex;
    align-items: center;
    background: var(--mk-accent-soft);
    color: var(--mk-accent-dark);
    font-size: 12px;
    font-weight: 600;
    border-radius: 999px;
    padding: 4px 12px;
    margin-bottom: 14px;
}
.related-card h3 {
    font-size: 21px;
    color: var(--mk-dark);
    font-weight: 800;
    line-height: 1.4;
    margin: 0 0 12px;
}
.related-card p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--mk-muted);
    margin: 0 0 18px;
}
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--mk-dark);
}
.link-arrow .arrow {
    display: inline-flex;
    transition: transform var(--mk-transition);
    font-size: 18px;
    line-height: 1;
}
.related-card a:hover .link-arrow .arrow {
    transform: translateX(5px);
}
.related-card a:hover .link-arrow {
    color: var(--mk-accent);
}

.missing-panel {
    background: var(--mk-surface);
    border: 1px dashed #CFC6B6;
    border-radius: var(--mk-radius-lg);
    padding: 80px 28px;
    text-align: center;
}
.missing-panel .missing-icon {
    width: 56px;
    height: 56px;
    font-weight: 800;
    color: var(--mk-accent);
    border: 2px solid var(--mk-accent);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    letter-spacing: .1em;
    margin-bottom: 24px;
}
.missing-panel h1 {
    font-size: clamp(28px, 4vw, 38px);
    color: var(--mk-dark);
    margin: 0 0 18px;
}
.missing-panel p {
    color: var(--mk-muted);
    max-width: 420px;
    margin: 0 auto 34px;
    font-size: 15px;
    line-height: 1.9;
}
.missing-panel .missing-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
}

.cta-box {
    margin-top: 90px;
    background-color: var(--mk-dark);
    background-image: linear-gradient(100deg, rgba(20, 27, 23, .92) 0%, rgba(20, 27, 23, .7) 60%, rgba(20, 27, 23, .82) 100%), url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    border-radius: var(--mk-radius-lg);
    padding: 56px 28px;
    color: #E6E2D8;
    text-align: center;
}
.cta-box .cta-kicker {
    font-size: 13px;
    letter-spacing: .2em;
    color: #D8BC8C;
    font-weight: 600;
    margin-bottom: 16px;
}
.cta-box h2 {
    font-size: clamp(26px, 4vw, 38px);
    color: #FFFFFF;
    font-weight: 800;
    margin: 0 0 20px;
    line-height: 1.35;
}
.cta-box p {
    font-size: 15px;
    line-height: 1.9;
    color: #C6CCC7;
    max-width: 570px;
    margin: 0 auto 32px;
}
.cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
}
.cta-box .btn:hover {
    color: #fff;
}

.site-footer {
    background: var(--mk-dark);
    color: #AFB6B0;
    padding: 68px 0 0;
    margin-top: 0;
}
.site-footer .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 44px;
    padding-bottom: 50px;
}
.brand-footer {
    color: #fff;
}
.brand-footer .brand-mark {
    background: #fff;
    color: var(--mk-dark);
}
.brand-footer .brand-name {
    color: #fff;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.9;
    margin: 18px 0 0;
    max-width: 280px;
    color: #9AA29B;
}
.footer-heading {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: .02em;
}
.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-links li {
    margin-bottom: 12px;
}
.footer-links a {
    color: #9AA29B;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-links a::before {
    content: "";
    width: 4px;
    height: 1px;
    background: var(--mk-accent);
    display: inline-block;
    transition: width var(--mk-transition);
}
.footer-links a:hover {
    color: #fff;
}
.footer-links a:hover::before {
    width: 10px;
    background: var(--mk-accent);
}
.footer-contact {
    font-size: 14px;
    line-height: 1.8;
    color: #9AA29B;
    margin-top: 6px;
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 24px 0 28px;
    font-size: 13px;
    color: #7E8780;
}

@media (max-width: 900px) {
    .header-inner { height: 72px; }
    .menu-icon { display: inline-flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--mk-surface);
        border-bottom: 1px solid var(--mk-line);
        padding: 10px 20px 18px;
        box-shadow: 0 24px 40px rgba(28, 36, 32, .08);
    }
    .nav-links.nav-open {
        display: flex;
    }
    .nav-links a {
        width: 100%;
        padding: 16px 4px;
        border-bottom: 1px solid var(--mk-line-soft);
    }
    .nav-links a::after {
        left: 4px;
        bottom: 8px;
        right: auto;
        width: 0;
        transform: none;
        height: 2px;
        background: var(--mk-accent);
        transition: width var(--mk-transition);
    }
    .nav-links a:hover::after,
    .nav-links a.active::after {
        width: 30px;
        transform: none;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .header-inner { padding: 0 20px; }
    .container { padding-left: 20px; padding-right: 20px; }
    .breadcrumb { padding: 0 20px; }
    .article-main { padding-top: 24px; padding-bottom: 70px; }
    .article-frame { padding: 0 0; }
    .article-frame .section-head { padding: 0 20px; }
    .article-sheet { border-radius: 0; border-left: 0; border-right: 0; }
    .post-content { font-size: 17px; }
    .post-content blockquote { padding: 16px 18px; }
    .post-content pre { padding: 18px 16px; }

    .related-section { margin-top: 64px; }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 18px;
        padding: 0 20px;
    }
    .cta-box {
        margin-left: 20px;
        margin-right: 20px;
        padding: 46px 20px;
        border-radius: var(--mk-radius);
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 36px;
        padding-bottom: 32px;
    }
    .footer-bottom {
        display: block;
        text-align: left;
        line-height: 1.8;
    }
    .missing-panel {
        margin: 0 20px;
        padding: 60px 20px;
    }
}

@media (max-width: 520px) {
    .post-title {
        font-size: 28px;
    }
    .post-meta { gap: 6px; }
    .foot-inner .foot-link,
    .foot-inner .foot-action {
        width: 100%;
        justify-content: flex-start;
    }
    .footer-bottom span { display: block; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}

@media print {
    .site-header, .site-footer, .reading-progress, .cta-box, .related-section {
        display: none !important;
    }
    body {
        background: #fff !important;
    }
    .article-main {
        background: #fff !important;
        padding: 0;
    }
    .article-sheet {
        border: 0;
        box-shadow: none;
        border-radius: 0;
    }
    .article-frame {
        max-width: 100%;
        padding: 0;
    }
    .post-body, .post-head, .post-foot {
        padding: 20px !important;
    }
    .breadcrumb {
        display: none;
    }
}

/* roulang page: category3 */
:root {
    --mk-bg: #F5F3EE;
    --mk-surface: #FFFFFF;
    --mk-dark: #1C2420;
    --mk-text: #151A17;
    --mk-muted: #5D645E;
    --mk-light: #8C938C;
    --mk-border: #E4E0D7;
    --mk-accent: #A8895A;
    --mk-accent-soft: #E8DFD0;
    --mk-focus: #8A6D42;
    --mk-radius-sm: 2px;
    --mk-radius-md: 6px;
    --mk-shadow-sm: 0 2px 8px rgba(28,36,32,0.06);
    --mk-shadow-md: 0 8px 24px rgba(28,36,32,0.09);
    --mk-transition: all 0.22s ease;
    --mk-font: "PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  }

  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--mk-font);
    background-color: var(--mk-bg);
    color: var(--mk-text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  img {
    max-width: 100%;
    display: inline-block;
    vertical-align: middle;
  }

  a {
    color: inherit;
    text-decoration: none;
    transition: var(--mk-transition);
  }

  ul, ol {
    list-style: none;
  }

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

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

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .site-header {
    background: var(--mk-surface);
    border-bottom: 1px solid var(--mk-border);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 80px;
    display: flex;
    align-items: center;
  }

  .header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }

  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--mk-dark);
    color: #ffffff;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0;
    border-radius: var(--mk-radius-sm);
  }

  .brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--mk-dark);
  }

  .brand-footer .brand-mark {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.5);
    color: #fff;
  }

  .brand-footer .brand-name {
    color: #ffffff;
  }

  .menu-icon {
    display: none;
    background: none;
    border: 0;
    width: 42px;
    height: 42px;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: var(--mk-radius-sm);
  }

  .menu-icon span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--mk-dark);
    transition: var(--mk-transition);
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 34px;
  }

  .nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--mk-muted);
    position: relative;
    padding: 6px 0;
    letter-spacing: 0.2px;
  }

  .nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--mk-accent);
    transition: var(--mk-transition);
  }

  .nav-links a:hover {
    color: var(--mk-dark);
  }

  .nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
  }

  .nav-links a.active {
    color: var(--mk-dark);
    font-weight: 600;
  }

  .page-hero {
    background: var(--mk-surfaces);
    border-bottom: 1px solid var(--mk-border);
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
  }

  .page-hero .hero-bg {
    position: absolute;
    right: 0;
    top: 0;
    width: 45%;
    height: 100%;
    object-fit: cover;
    opacity: 0.17;
    z-index: 0;
  }

  .hero-content {
    position: relative;
    z-index: 1;
  }

  .breadcrumb {
    font-size: 13px;
    color: var(--mk-light);
    margin-bottom: 22px;
    letter-spacing: 0.3px;
  }

  .breadcrumb a {
    color: var(--mk-light);
  }

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

  .breadcrumb span {
    margin: 0 8px;
  }

  .page-title {
    font-size: clamp(36px, 5vw, 54px);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--mk-dark);
    margin-bottom: 18px;
    max-width: 720px;
  }

  .page-intro {
    font-size: 17px;
    line-height: 1.85;
    color: var(--mk-muted);
    max-width: 640px;
  }

  .section {
    padding: 100px 0;
  }

  .section-tight {
    padding: 72px 0;
  }

  .section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 52px;
    flex-wrap: wrap;
  }

  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--mk-accent);
    text-transform: uppercase;
    margin-bottom: 10px;
  }

  .section-label::before {
    content: "";
    display: block;
    width: 20px;
    height: 2px;
    background: var(--mk-accent);
  }

  .section-title {
    font-size: clamp(30px, 3.5vw, 44px);
    line-height: 1.25;
    font-weight: 700;
    color: var(--mk-dark);
    letter-spacing: -0.3px;
    margin: 0;
  }

  .section-sub {
    font-size: 16px;
    color: var(--mk-muted);
    max-width: 480px;
  }

  .section-header + .marker {
    margin-top: -32px;
    margin-bottom: 40px;
  }

  .resource-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .resource-card {
    background: var(--mk-surface);
    border: 1px solid var(--mk-border);
    border-radius: var(--mk-radius-md);
    padding: 34px 32px;
    transition: var(--mk-transition);
    display: flex;
    gap: 18px;
    align-items: flex-start;
    position: relative;
  }

  .resource-card:hover {
    box-shadow: var(--mk-shadow-md);
    transform: translateY(-4px);
    border-color: var(--mk-accent-soft);
  }

  .resource-index {
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
    color: var(--mk-accent);
    letter-spacing: -0.5px;
    min-width: 44px;
  }

  .resource-text {
    flex: 1;
  }

  .resource-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--mk-dark);
    margin-bottom: 8px;
    letter-spacing: 0.2px;
  }

  .resource-desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--mk-muted);
    margin-bottom: 14px;
  }

  .resource-desc p {
    margin-bottom: 8px;
  }

  .resource-desc p:last-child {
    margin-bottom: 0;
  }

  .link-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--mk-dark);
    border-bottom: 1px solid transparent;
    transition: var(--mk-transition);
  }

  .link-more .arrow {
    transition: transform 0.22s ease;
  }

  .link-more:hover {
    color: var(--mk-accent);
    border-color: var(--mk-accent);
  }

  .link-more:hover .arrow {
    transform: translateX(4px);
  }

  .status-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-top: 30px;
    padding-top: 22px;
    border-top: 1px solid var(--mk-border);
  }

  .status-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--mk-muted);
    background: #faf9f6;
    border-radius: 999px;
    padding: 4px 14px;
    border: 1px solid transparent;
  }

  .status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #7aa782;
    display: inline-block;
  }

  .faq-section {
    background: var(--mk-surface);
    border-top: 1px solid var(--mk-border);
    border-bottom: 1px solid var(--mk-border);
  }

  .faq-list {
    max-width: 860px;
    margin: 0 auto;
    text-align: left;
  }

  .faq-collapse {
    border-bottom: 1px solid var(--mk-border);
    transition: var(--mk-transition);
  }

  .faq-collapse:first-of-type {
    border-top: 1px solid var(--mk-border);
  }

  .faq-trigger {
    width: 100%;
    background: transparent;
    border: 0;
    padding: 26px 40px 26px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    cursor: pointer;
    font-size: 17px;
    font-weight: 600;
    color: var(--mk-dark);
    text-align: left;
    transition: var(--mk-transition);
  }

  .faq-trigger:hover {
    color: var(--mk-accent);
  }

  .faq-icon {
    position: relative;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .faq-icon::before,
  .faq-icon::after {
    content: "";
    position: absolute;
    background: var(--mk-accent);
    transition: all 0.3s ease;
    border-radius: 1px;
  }

  .faq-icon::before {
    width: 18px;
    height: 2px;
  }

  .faq-icon::after {
    width: 2px;
    height: 18px;
    left: 8px;
    top: 0;
  }

  .faq-trigger[aria-expanded="true"] .faq-icon::after {
    transform: rotate(90deg);
    opacity: 0;
  }

  .faq-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .faq-panel-inner {
    padding: 0 60px 28px 0;
    font-size: 16px;
    line-height: 1.85;
    color: var(--mk-muted);
  }

  .faq-panel-inner p {
    margin-bottom: 12px;
  }

  .faq-panel-inner ul {
    list-style: none;
    padding-left: 0;
    margin: 8px 0;
  }

  .faq-panel-inner ul li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
  }

  .faq-panel-inner ul li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 12px;
    width: 6px;
    height: 2px;
    background: var(--mk-accent);
  }

  .cta-section {
    background: var(--mk-dark);
    color: #fff;
    padding: 90px 0;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
  }

  .cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
  }

  .cta-title {
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 700;
    margin-bottom: 18px;
    line-height: 1.3;
    letter-spacing: -0.3px;
  }

  .cta-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.78);
    margin-bottom: 32px;
    line-height: 1.8;
  }

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

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    height: 52px;
    padding: 0 28px;
    border-radius: var(--mk-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--mk-transition);
    white-space: nowrap;
  }

  .btn-dark {
    background: var(--mk-dark);
    color: #fff;
  }

  .btn-dark:hover {
    background: #2b352f;
    transform: translateY(-1px);
  }

  .btn-outline-light {
    background: transparent;
    border-color: rgba(255,255,255,0.35);
    color: #fff;
  }

  .btn-outline-light:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.7);
  }

  .btn-light {
    background: #fff;
    color: var(--mk-dark);
  }

  .btn-light:hover {
    background: #efedeb;
    transform: translateY(-1px);
  }

  .btn-accent {
    background: transparent;
    border-color: var(--mk-accent);
    color: var(--mk-accent);
  }

  .btn-accent:hover {
    background: var(--mk-accent-soft);
    color: var(--mk-dark);
    border-color: var(--mk-accent);
  }

  .btn:active {
    transform: translateY(1px) scale(0.99);
  }

  .site-footer {
    background: #141a16;
    color: rgba(255,255,255,0.72);
    padding: 70px 0 30px;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 44px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
    max-width: 240px;
    margin-top: 16px;
  }

  .footer-heading {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 1px;
  }

  .footer-links li {
    margin-bottom: 10px;
  }

  .footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    transition: var(--mk-transition);
  }

  .footer-links a:hover {
    color: #fff;
    padding-left: 2px;
  }

  .footer-contact {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 10px;
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    padding-top: 26px;
  }

  .footer-file-meta {
    font-size: 13px;
    color: rgba(255,255,255,0.36);
  }

  @media (max-width: 1024px) {
    .resource-grid {
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .footer-top {
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }

    .section {
      padding: 80px 0;
    }
  }

  @media (max-width: 840px) {
    .nav-links {
      position: fixed;
      top: 80px;
      left: 0;
      right: 0;
      background: var(--mk-surface);
      flex-direction: column;
      align-items: flex-start;
      padding: 20px 24px 30px;
      gap: 18px;
      border-bottom: 1px solid var(--mk-border);
      transform: translateY(-110%);
      transition: transform 0.3s ease;
      box-shadow: var(--mk-shadow-sm);
      display: none;
    }

    .nav-links.open {
      transform: translateY(0);
      display: flex;
    }

    .menu-icon {
      display: inline-flex;
    }

    .header-inner .brand {
      position: relative;
      z-index: 2;
    }

    .page-hero .hero-bg {
      display: none;
    }

    .section-title {
      font-size: 30px;
    }

    .resource-grid {
      grid-template-columns: 1fr;
    }

    .resource-card {
      padding: 26px 24px;
    }

    .footer-top {
      grid-template-columns: 1fr 1fr;
    }

    .section-header {
      flex-direction: column;
      align-items: flex-start;
      gap: 18px;
    }
  }

  @media (max-width: 640px) {
    .container {
      padding-left: 18px;
      padding-right: 18px;
    }

    .header-inner {
      padding: 0 18px;
    }

    .page-hero {
      padding: 48px 0 42px;
    }

    .page-title {
      font-size: 34px;
    }

    .page-intro {
      font-size: 16px;
    }

    .section {
      padding: 64px 0;
    }

    .faq-trigger {
      font-size: 15px;
      padding: 22px 36px 22px 0;
    }

    .faq-panel-inner {
      padding-right: 24px;
    }

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

    .footer-top {
      grid-template-columns: 1fr;
      gap: 30px;
    }

    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }

    .cta-section {
      padding: 60px 0;
    }
  }

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

  .fixed-category-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid var(--mk-border);
    z-index: 99;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 24px;
    box-shadow: 0 -6px 16px rgba(0,0,0,0.03);
  }

  .fixed-category-cta.visible {
    transform: translateY(0);
  }

  .fixed-category-cta .fix-text {
    font-size: 14px;
    color: var(--mk-dark);
    font-weight: 500;
  }

  .fixed-category-cta .btn {
    height: 42px;
    font-size: 14px;
    padding: 0 22px;
  }

  @media (max-width: 640px) {
    .footer-body {
      padding-bottom: 70px;
    }
  }

  .logo-outline {
    position: relative;
    display: inline-block;
  }

/* roulang page: category2 */
:root {
  --bg: #F4F1EA;
  --surface: #FFFFFF;
  --deep: #1D2A25;
  --ink: #151A17;
  --text-mid: #5E6B64;
  --text-weak: #8A948D;
  --line: #E5E0D5;
  --accent: #B28B52;
  --accent-deep: #956F3A;
  --dark-mask: rgba(22, 31, 27, 0.72);
  --radius: 5px;
  --radius-lg: 12px;
  --shadow: 0 20px 55px rgba(29, 42, 37, 0.10);
  --shadow-hover: 0 28px 60px rgba(29, 42, 37, 0.15);
  --font: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.2, 0.8, 0.3, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input { font: inherit; color: inherit; outline: none; }
.container { width: min(1200px, 92%); margin: 0 auto; }
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 82px;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 30px rgba(21,26,23,.06); }
.header-inner {
  width: min(1280px, 92%);
  height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--deep);
  color: #FFF;
  letter-spacing: -1px;
  font-weight: 700;
  font-size: 15px;
  border-radius: 3px;
}
.brand-name { font-size: 20px; font-weight: 700; letter-spacing: .8px; color: var(--ink); }
.menu-toggle {
  width: 42px;
  height: 42px;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 6px; transition: transform .25s var(--ease), opacity .2s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 82px;
  padding: 0 18px;
  font-size: 15px;
  letter-spacing: .3px;
  color: var(--text-mid);
  transition: color .2s ease;
}
.nav-links a:hover { color: var(--deep); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s var(--ease);
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--deep); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0 22px;
  height: 44px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .4px;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .12s ease, box-shadow .2s ease;
  text-align: center;
  white-space: nowrap;
}
.btn-primary { background: var(--deep); color: #fff; }
.btn-primary:hover { background: #101A16; box-shadow: 0 6px 20px rgba(21,26,23,.2); }
.btn-primary:active { transform: scale(.98); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); background: rgba(255,255,255,.3); }
.btn-gold { background: var(--accent); color: #fff; }
.btn-gold:hover { background: var(--accent-deep); }
.btn-light { background: #fff; color: var(--deep); }
.btn-light:hover { background: #F0EDE6; box-shadow: 0 10px 24px rgba(0,0,0,.12); }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,.65); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.14); }
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--deep);
  font-size: 15px;
  font-weight: 600;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease;
}
.btn-text:hover { border-color: var(--accent); }
.btn-text i { transition: transform .18s ease; font-style: normal; }
.btn-text:hover i { transform: translateX(4px); }
main { padding-top: 82px; overflow: clip; }

.page-hero {
  position: relative;
  background: url("/assets/images/backpic/back-1.png") center center / cover no-repeat;
  color: #fff;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--dark-mask);
}
.page-hero-inner {
  position: relative;
  z-index: 2;
  width: min(1200px, 92%);
  margin: 0 auto;
  min-height: 360px;
  padding: 90px 0 78px;
}
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 13px; letter-spacing: .2px; opacity: .85; margin-bottom: 36px; flex-wrap: wrap; }
.breadcrumb a { transition: opacity .2s; border-bottom: 1px solid transparent; }
.breadcrumb a:hover { border-color: rgba(255,255,255,.9); opacity: .75; }
.breadcrumb span { opacity: .6; }
.breadcrumb strong { font-weight: 500; color: #fff; opacity: .98; }
.page-hero .kicker {
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 18px;
}
.page-hero h1 { font-size: 64px; line-height: 1.15; font-weight: 700; letter-spacing: .5px; margin-bottom: 18px; }
.page-hero p.lead {
  max-width: 660px;
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255,255,255,.86);
  margin-bottom: 30px;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 15px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .3px;
  color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.05);
}
.section { padding: 100px 0; }
.section-bg { background: var(--surface); }
.section-deep { background: var(--deep); color: #fff; }
.section-head { margin-bottom: 56px; display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: end; }
.section-kicker { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; letter-spacing: 2.4px; color: var(--accent); font-weight: 600; }
.section-kicker::before { content: ""; width: 22px; height: 2px; background: var(--accent); display: inline-block; }
.section-title { font-size: 40px; line-height: 1.25; color: var(--ink); font-weight: 700; margin-top: 16px; }
.section-title-light { color: #fff; }
.section-note { max-width: 540px; color: var(--text-mid); font-size: 15px; }
.section-note-light { color: rgba(255,255,255,.72); }

.process-wrap { position: relative; padding-bottom: 20px; }
.process-intro-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-bottom: 70px; }
.intro-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 28px 26px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: transform .25s var(--ease), box-shadow .3s ease;
}
.intro-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.intro-index { flex: 0 0 auto; width: 46px; height: 46px; border-radius: 6px; background: var(--bg); color: var(--accent); font-size: 18px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; letter-spacing: 0; }
.intro-item h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.intro-item p { font-size: 14.5px; line-height: 1.8; color: var(--text-mid); }

.process-timeline { position: relative; display: grid; gap: 0; counter-reset: step; }
.process-timeline::before { content: ""; position: absolute; left: 118px; top: 22px; bottom: 22px; width: 1px; background: var(--line); }
.process-item { position: relative; display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 56px; padding: 0 0 68px; }
.process-item:last-child { padding-bottom: 0; }
.process-index {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--line);
  position: relative;
  z-index: 1;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--deep);
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}
.process-item:hover .process-index { border-color: var(--accent); color: var(--accent); background: #fff; }
.process-content {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 36px;
  box-shadow: 0 4px 14px rgba(21,26,23,.03);
  transition: border-color .25s ease, box-shadow .3s ease;
}
.process-item:hover .process-content { border-color: rgba(178,139,82,.5); box-shadow: var(--shadow); }
.process-content h3 { font-size: 24px; color: var(--ink); font-weight: 700; margin-bottom: 14px; }
.process-content > p { color: var(--text-mid); line-height: 1.95; margin-bottom: 22px; max-width: 86%; }
.process-points { display: flex; flex-wrap: wrap; gap: 10px; }
.process-points li {
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 7px 14px;
  font-size: 13px;
  border-radius: 4px;
  color: var(--text-mid);
}
.process-content .link-row { margin-top: 28px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.process-line { display: inline-flex; align-items: center; gap: 10px; color: var(--accent); font-size: 14px; font-weight: 600; }
.process-line i { transition: transform .2s ease; font-style: normal; }
.process-line:hover i { transform: translateX(5px); }

.media-block { display: grid; grid-template-columns: 5fr 6fr; gap: 88px; align-items: center; }
.media-image { position: relative; overflow: hidden; border-radius: 10px; background: #e8e6e0; }
.media-image img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; transition: transform .6s ease; }
.media-image::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(29,42,37,.24); border-radius: 10px; pointer-events: none; }
.media-copy .section-kicker { justify-content: flex-start; }
.media-copy h2 { font-size: 42px; line-height: 1.25; margin: 18px 0 26px; color: var(--ink); }
.media-copy p { color: var(--text-mid); font-size: 16px; line-height: 2; margin-bottom: 18px; }
.check-list { display: grid; gap: 14px; margin-top: 32px; }
.check-list li { display: flex; gap: 14px; align-items: flex-start; color: var(--ink); font-size: 15px; line-height: 1.8; }
.check-list li::before { content: ""; flex: 0 0 auto; width: 7px; height: 7px; border-radius: 1px; background: var(--accent); margin-top: 13px; transform: rotate(45deg); }
.check-list b { font-weight: 600; }

.scene-section { background: #edeae2; }
.scene-card-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.scene-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 38px 34px;
  transition: transform .3s var(--ease), box-shadow .32s ease;
}
.scene-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.scene-num { font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--accent); margin-bottom: 64px; font-variant-numeric: tabular-nums; }
.scene-card h3 { font-size: 22px; color: var(--ink); font-weight: 700; margin-bottom: 14px; }
.scene-card p { font-size: 15px; line-height: 1.9; color: var(--text-mid); flex: 1; }
.scene-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 28px; color: var(--deep); font-size: 14px; font-weight: 600; border-bottom: 1px solid transparent; transition: border-color .24s ease, color .24s ease; align-self: flex-start; }
.scene-link i { transition: transform .2s ease; }
.scene-link:hover { color: var(--accent-deep); border-color: var(--accent); }
.scene-link:hover i { transform: translateX(4px); }
.scene-card.is-primary { background: var(--deep); border-color: var(--deep); }
.scene-card.is-primary h3, .scene-card.is-primary p { color: rgba(255,255,255,.88); }
.scene-card.is-primary .scene-number { color: var(--accent); }
.scene-card.is-primary .scene-link { color: #fff; }

.assure-strip { background: var(--deep); color: #fff; }
.assure-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 40px; padding: 22px 0; }
.assure-cell { padding: 18px 0; border-left: 1px solid rgba(255,255,255,.14); padding-left: 26px; }
.assure-cell b { display: block; font-size: 15px; line-height: 1.6; font-weight: 600; margin-bottom: 5px; }
.assure-cell span { font-size: 13px; color: rgba(255,255,255,.6); line-height: 1.7; }

.faq-section { background: var(--surface); }
.faq-kicker { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 50px; flex-wrap: wrap; }
.faq-kicker .section-kicker { display: inline-flex; }
.faq-kicker h2 { font-size: 40px; margin-top: 16px; }
.faq-grid { max-width: 940px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); background: #fff; }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 6px 26px 2px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.55;
  list-style: none;
  color: var(--ink);
  transition: color .24s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent-deep); }
.faq-question { display: flex; gap: 18px; align-items: baseline; }
.faq-question .q-marker { color: var(--accent); font-size: 14px; font-weight: 800; flex: 0 0 auto; }
.acc-icon { flex: 0 0 auto; width: 30px; height: 30px; border: 1px solid var(--line); border-radius: 50%; position: relative; transition: border-color .25s ease, transform .3s var(--ease), background .2s ease; }
.acc-icon::before, .acc-icon::after { content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 11px; height: 1px; background: var(--deep); transition: background .2s ease; }
.acc-icon::after { transform: translate(-50%,-50%) rotate(90deg); transition: transform .3s var(--ease); }
.faq-item summary:hover .acc-icon, details[open] .acc-icon { background: var(--deep); border-color: var(--deep); }
details[open] .acc-icon::before { background: #FFF; }
details[open] .acc-icon::after { transform: translate(-50%,-50%) rotate(0); background: #FFF; }
.faq-answer { padding: 0 50px 32px 35px; color: var(--text-mid); line-height: 2; font-size: 15.5px; max-width: 86%; }
.faq-answer a { color: var(--accent-deep); font-weight: 600; }
.faq-answer a:hover { text-decoration: underline; }

.cta-band { background: var(--accent-deep); color: #fff; }
.cta-band-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; min-height: 260px; padding: 80px 0; }
.cta-band h2 { font-size: 42px; line-height: 1.3; margin-bottom: 16px; }
.cta-band p { font-size: 16px; line-height: 1.9; color: rgba(255,255,255,.88); max-width: 520px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: flex-end; }

.site-footer { background: #1B231F; color: rgba(255,255,255,.7); }
.site-footer .container { width: min(1280px,92%); }
.footer-top { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.3fr; gap: 60px; padding: 76px 0 60px; }
.brand-footer .brand-mark { background: #2B3932; }
.brand-footer .brand-name { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.52); margin-top: 22px; max-width: 300px; }
.footer-heading { color: #fff; font-size: 14px; letter-spacing: .6px; font-weight: 700; margin-bottom: 24px; }
.footer-links { display: grid; gap: 12px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.62); transition: color .22s ease, padding-left .22s ease; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.62); margin-bottom: 6px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding: 26px 0 32px; border-top: 1px solid rgba(255,255,255,.1); font-size: 13px; color: rgba(255,255,255,.4); }
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 1024px) {
  .header-inner, .site-header .header-inner { width: 94%; }
  .menu-toggle { display: inline-flex; order: 3; }
  .nav-links {
    position: fixed;
    top: 82px;
    left: 0;
    right: 0;
    bottom: auto;
    background: #FFFFFF;
    flex-direction: column;
    align-items: stretch;
    height: auto;
    padding: 14px 7vw 20px;
    box-shadow: 0 20px 32px rgba(21,26,23,.08);
    border-top: 1px solid var(--line);
    transform: translateY(-16px);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: transform .3s var(--ease), opacity .2s ease, visibility .3s;
  }
  .nav-links.is-open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
  .nav-links a { height: 54px; justify-content: space-between; border-bottom: 1px solid #F0EDE7; }
  .nav-links a::after { display: none; }
  .header-actions { margin-left: auto; }
  .page-hero-inner { padding: 70px 0 60px; min-height: 330px;}
  .section { padding: 70px 0; }
  .media-block { grid-template-columns: 1fr; gap: 40px; }
  .media-image img { min-height: 300px; }
  .scene-card-grid { gap: 18px; }
  .content-card-grid { gap: 20px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 48px; padding: 64px 0 40px; }
  .cta-band-inner { grid-template-columns: 1fr; padding: 56px 0; }
  .cta-actions { justify-content: flex-start; }
}
@media (max-width: 820px) {
  .process-intro-grid { grid-template-columns: 1fr; }
  .process-timeline::before { left: 22px; top: 24px; }
  .process-item { grid-template-columns: 1fr; gap: 22px; padding-left: 58px; padding-bottom: 46px; }
  .process-index, .process-item:hover .process-index { position: absolute; left: 0; top: 0; width: 46px; height: 46px; font-size: 14px; }
  .process-content { padding: 28px 26px; }
  .process-content > p { max-width: 100%; }
  .scene-card-grid { grid-template-columns: 1fr; }
  .scene-card { min-height: 0; padding: 30px 28px; }
  .scene-num { margin-bottom: 36px; }
  .assure-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .assure-cell { padding-left: 20px; }
  .page-hero h1 { font-size: 44px; }
  .section-title { font-size: 32px; }
  .media-copy h2, .cta-band h2, .faq-kicker h2 { font-size: 34px; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .header-inner, .site-header .header-inner { height: 70px; }
  .site-header { height: 70px; }
  main { padding-top: 70px; }
  .brand-mark { width: 38px; height: 38px; font-size: 13px; }
  .brand-name { font-size: 18px; }
  .header-actions { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav-links { top: 70px; padding: 12px 7vw 18px; }
  .page-hero-inner { min-height: 305px; padding: 60px 0 48px; }
  .page-hero h1 { font-size: 36px; }
  .page-hero p.lead { font-size: 15.5px; }
  .breadcrumb { margin-bottom: 28px; }
  .section { padding: 56px 0; }
  .section-head { grid-template-columns: 1fr; margin-bottom: 36px; }
  .section-note { max-width: 100%; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; padding: 46px 0 30px; }
  .footer-bottom { flex-direction: column; }
  .process-content { padding: 24px 20px; }
  .process-content h3 { font-size: 20px; }
  .media-image img { min-height: 220px; }
  .faq-question { font-size: 16px; }
  .faq-answer { padding: 0 18px 24px 28px; max-width: 100%; }
  .cta-band h2 { font-size: 28px; }
  .cta-actions { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}