/* roulang page: index */
:root{
--color-primary:#8C6A4F;
--color-primary-dark:#6B4E38;
--color-secondary:#6E7B73;
--color-accent:#C9A96A;
--color-bg:#FAF7F2;
--color-bg-soft:#F2ECE4;
--color-dark:#2D2420;
--color-text:#2D2420;
--color-muted:#7A726A;
--color-border:rgba(140,106,79,0.15);
--radius-lg:1rem;
--radius-xl:1.5rem;
--radius-3xl:2rem;
--shadow-sm:0 1px 3px rgba(45,36,32,0.06);
--shadow-lg:0 8px 30px rgba(45,36,32,0.12);
--transition:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
@media(max-width:640px){.container{padding:0 16px}}
.section-pad{padding:72px 0}
@media(max-width:768px){.section-pad{padding:48px 0}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.15em;color:var(--color-primary);font-weight:600;text-transform:uppercase}
.eyebrow::before{content:'';width:24px;height:1px;background:var(--color-accent)}
.section-title{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:900;line-height:1.2;letter-spacing:-0.01em;color:var(--color-dark)}
.section-desc{font-size:1.05rem;color:var(--color-muted);max-width:640px;line-height:1.8}
@media(max-width:768px){.section-desc{font-size:.95rem}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;border-radius:9999px;font-weight:600;font-size:15px;transition:all var(--transition);border:1px solid transparent;cursor:pointer;line-height:1}
.btn-primary{background:var(--color-primary);color:#fff}
.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(140,106,79,0.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 6px rgba(140,106,79,0.2)}
.btn-outline{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}
.btn-outline:hover{background:rgba(140,106,79,0.06);border-color:var(--color-primary-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--color-primary);border-color:transparent}
.btn-light:hover{background:var(--color-bg-soft);transform:translateY(-2px)}
.btn:focus-visible,.nav-link:focus-visible,.faq-question:focus-visible,a:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}
.text-link{color:var(--color-primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:color var(--transition)}
.text-link i{transition:transform var(--transition)}
.text-link:hover{color:var(--color-primary-dark)}
.text-link:hover i{transform:translateX(4px)}
/* 刊头导航 */
.site-header{background:rgba(250,247,242,0.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}
.site-header::before{content:'';display:block;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent),var(--color-secondary));position:absolute;top:0;left:0;right:0}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{font-size:1.65rem;font-weight:900;color:var(--color-dark);letter-spacing:-0.02em;display:flex;align-items:center;gap:8px;white-space:nowrap}
.brand .brand-accent{color:var(--color-primary)}
.brand i{color:var(--color-accent);font-size:1.2rem}
.header-divider{width:1px;height:28px;background:var(--color-border);margin:0 24px}
.main-nav{display:flex;align-items:center;gap:8px}
.nav-link{font-size:.9rem;font-weight:500;letter-spacing:.06em;color:var(--color-muted);padding:8px 16px;border-radius:9999px;transition:all var(--transition);position:relative}
.nav-link:hover{color:var(--color-primary);background:rgba(140,106,79,0.06)}
.nav-link.active{color:var(--color-primary);font-weight:600;background:rgba(140,106,79,0.08)}
.nav-link.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:2px;background:var(--color-accent);border-radius:2px}
.menu-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--color-dark);cursor:pointer;padding:4px 8px}
@media(max-width:768px){
.header-inner{height:64px}
.brand{font-size:1.15rem}
.main-nav{position:fixed;top:64px;left:0;right:0;background:var(--color-bg);flex-direction:column;align-items:stretch;padding:16px 20px;gap:4px;border-bottom:1px solid var(--color-border);transform:translateY(-120%);transition:transform .3s ease;box-shadow:0 10px 30px rgba(0,0,0,0.08)}
.main-nav.open{transform:translateY(0)}
.nav-link{padding:12px 16px;font-size:1rem;border-radius:12px}
.menu-toggle{display:block}
}
/* Hero */
.hero-section{position:relative;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;min-height:480px;display:flex;align-items:center;overflow:hidden}
.hero-section::before{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(250,247,242,0.97) 30%,rgba(250,247,242,0.75) 55%,rgba(250,247,242,0.15) 100%)}
.hero-content{position:relative;z-index:2;padding:72px 0;max-width:720px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;background:rgba(201,169,106,0.2);padding:6px 16px;border-radius:9999px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--color-primary-dark);margin-bottom:24px}
.hero-eyebrow i{font-size:14px}
.hero-title{font-size:clamp(2rem,5.5vw,3.6rem);font-weight:900;line-height:1.12;letter-spacing:-0.02em;color:var(--color-dark);margin-bottom:20px}
.hero-title .highlight{color:var(--color-primary);position:relative;display:inline-block}
.hero-title .highlight::after{content:'';position:absolute;left:0;right:0;bottom:4px;height:8px;background:rgba(201,169,106,0.3);z-index:-1;border-radius:4px}
.hero-desc{font-size:1.1rem;line-height:1.85;color:var(--color-muted);max-width:580px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:24px;margin-top:40px;flex-wrap:wrap}
.hero-trust span{font-size:14px;color:var(--color-muted);display:inline-flex;align-items:center;gap:8px}
.hero-trust span i{color:var(--color-primary)}
@media(max-width:768px){
.hero-section{min-height:380px}
.hero-content{padding:48px 0}
.hero-desc{font-size:1rem}
.hero-title{font-size:1.8rem}
.hero-trust{gap:12px;flex-direction:column}
}
/* 入口矩阵 */
.portal-section{background:var(--color-bg-warm)}
.portal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.portal-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:28px 24px;text-align:center;transition:all var(--transition);display:flex;flex-direction:column;align-items:center;gap:12px}
.portal-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(140,106,79,0.3)}
.portal-card .p-icon{width:56px;height:56px;border-radius:16px;background:rgba(140,106,79,0.1);display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--color-primary);transition:all var(--transition)}
.portal-card:hover .p-icon{background:var(--color-primary);color:#fff}
.portal-card h3{font-size:1.05rem;font-weight:700;color:var(--color-dark)}
.portal-card p{font-size:13px;color:var(--color-muted);line-height:1.5}
@media(max-width:768px){.portal-grid{grid-template-columns:repeat(2,1fr);gap:14px}}
@media(max-width:480px){.portal-grid{grid-template-columns:1fr}}
/* 服务核心 */
.services-section{background:var(--color-bg)}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.service-card{background:var(--color-bg-soft);border-radius:var(--radius-xl);padding:32px 26px;transition:all var(--transition);position:relative;overflow:hidden;border:1px solid transparent}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));opacity:0;transition:opacity var(--transition)}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-border)}
.service-card:hover::before{opacity:1}
.service-card .s-num{font-size:2rem;font-weight:900;color:rgba(140,106,79,0.2);line-height:1;margin-bottom:16px}
.service-card h3{font-size:1.15rem;font-weight:700;color:var(--color-dark);margin-bottom:10px}
.service-card p{font-size:14px;color:var(--color-muted);line-height:1.7;margin-bottom:18px}
.service-card .text-link{font-size:13px}
@media(max-width:1024px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.services-grid{grid-template-columns:1fr}}
/* 优势数据 */
.stats-section{background:var(--color-dark);position:relative;overflow:hidden}
.stats-section::before{content:'';position:absolute;top:-50%;right:-20%;width:300px;height:300px;border-radius:50%;background:rgba(201,169,106,0.08)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.stat-item{text-align:center;padding:20px}
.stat-number{font-size:clamp(2rem,4vw,3rem);font-weight:900;color:var(--color-accent);font-variant-numeric:tabular-nums;line-height:1}
.stat-label{font-size:14px;color:rgba(250,247,242,0.7);margin-top:8px;letter-spacing:.06em}
.stat-divider{width:1px;height:60px;background:rgba(255,255,255,0.1)}
@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
/* 案例展示 */
.cases-section{background:var(--color-bg-warm)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.case-card{background:#fff;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--color-border);transition:all var(--transition)}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-card .case-img{width:100%;height:220px;object-fit:cover;transition:transform .3s ease}
.case-card:hover .case-img{transform:scale(1.03)}
.case-body{padding:20px 22px}
.case-body .badge{display:inline-block;font-size:12px;font-weight:500;background:rgba(140,106,79,0.1);color:var(--color-primary);padding:4px 12px;border-radius:9999px;margin-bottom:10px;letter-spacing:.04em}
.case-body h3{font-size:1.05rem;font-weight:700;color:var(--color-dark);margin-bottom:6px}
.case-body p{font-size:14px;color:var(--color-muted);line-height:1.6;margin-bottom:8px}
.case-body .case-meta{font-size:12px;color:var(--color-muted);display:flex;align-items:center;gap:6px}
@media(max-width:1024px){.cases-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.cases-grid{grid-template-columns:1fr}}
/* 解决方案 */
.solutions-section{background:var(--color-bg)}
.solutions-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.solution-card{background:var(--color-bg-soft);border-radius:var(--radius-xl);padding:36px 30px;border-left:3px solid var(--color-primary);transition:all var(--transition)}
.solution-card:hover{background:#fff;box-shadow:var(--shadow-lg)}
.solution-card .sol-num{font-size:2.5rem;font-weight:900;color:rgba(140,106,79,0.25);line-height:1;margin-bottom:12px}
.solution-card h3{font-size:1.2rem;font-weight:700;color:var(--color-dark);margin-bottom:14px}
.solution-card ul{list-style:none;padding:0;margin-bottom:20px}
.solution-card ul li{font-size:14px;color:var(--color-muted);line-height:1.7;padding-left:20px;position:relative}
.solution-card ul li::before{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;left:0;top:0;font-size:12px;color:var(--color-accent)}
@media(max-width:1024px){.solutions-list{grid-template-columns:1fr;gap:16px}}
/* 资讯区 */
.latest-section{background:var(--color-bg-warm)}
.latest-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;margin-top:44px;align-items:start}
.latest-list{display:flex;flex-direction:column;gap:16px}
.latest-item{display:flex;flex-direction:column;gap:6px;background:#fff;border-radius:var(--radius-lg);padding:24px 28px;border:1px solid var(--color-border);transition:all var(--transition)}
.latest-item:hover{box-shadow:var(--shadow-lg);transform:translateX(6px);border-left:3px solid var(--color-primary)}
.latest-item .badge{display:inline-block;font-size:12px;font-weight:500;background:rgba(140,106,79,0.1);color:var(--color-primary);padding:3px 12px;border-radius:9999px;width:fit-content;margin-bottom:4px}
.latest-item h3{font-size:1.05rem;font-weight:700;color:var(--color-dark);line-height:1.4}
.latest-item p{font-size:14px;color:var(--color-muted);line-height:1.6}
.latest-item time{font-size:12px;color:var(--color-muted);display:flex;align-items:center;gap:6px}
.empty-state{font-size:15px;color:var(--color-muted);background:#fff;border-radius:var(--radius-lg);padding:32px;text-align:center;border:1px dashed rgba(140,106,79,0.2)}
.side-card{background:var(--color-bg-soft);border-radius:var(--radius-xl);padding:28px;margin-bottom:24px}
.side-card h3{font-size:1rem;font-weight:700;color:var(--color-dark);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--color-border)}
.side-card a{display:block;font-size:14px;color:var(--color-muted);padding:8px 0;border-bottom:1px solid rgba(140,106,79,0.05);transition:all var(--transition)}
.side-card a:hover{color:var(--color-primary);padding-left:8px}
.side-card a i{font-size:12px;margin-right:8px;color:var(--color-accent)}
@media(max-width:768px){.latest-layout{grid-template-columns:1fr}}
/* FAQ */
.faq-section{background:var(--color-bg)}
.faq-wrap{max-width:820px;margin:44px auto 0}
.faq-item{border-bottom:1px solid var(--color-border)}
.faq-item:first-child{border-top:1px solid var(--color-border)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:24px 16px;font-size:1.05rem;font-weight:600;color:var(--color-dark);background:none;border:none;cursor:pointer;text-align:left;transition:color var(--transition)}
.faq-question:hover{color:var(--color-primary)}
.faq-question .icon{width:22px;height:22px;position:relative;flex-shrink:0}
.faq-question .icon::before,.faq-question .icon::after{content:'';position:absolute;background:var(--color-primary);border-radius:2px;transition:transform .3s ease}
.faq-question .icon::before{width:14px;height:2px;top:10px;left:4px}
.faq-question .icon::after{width:2px;height:14px;top:4px;left:10px}
.faq-item.open .icon::after{transform:rotate(90deg);opacity:0}
.faq-item.open .icon::before{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease-out}
.faq-item.open .faq-answer{max-height:500px}
.faq-answer p{padding:0 16px 24px;font-size:15px;color:var(--color-muted);line-height:1.85}
/* CTA */
.cta-section{background:var(--color-bg-warm);padding:72px 0}
.cta-box{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));border-radius:var(--radius-3xl);padding:64px 48px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,0.06)}
.cta-box::after{content:'';position:absolute;bottom:-60px;left:-30px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,0.04)}
.cta-box h2{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:900;color:#fff;margin-bottom:12px;position:relative}
.cta-box p{font-size:1.05rem;color:rgba(255,255,255,0.85);max-width:520px;margin:0 auto 32px;line-height:1.7;position:relative}
.cta-box .btn-light{margin-right:12px}
@media(max-width:768px){.cta-box{padding:40px 24px}}
/* 页脚 */
.site-footer{background:var(--color-dark);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand .brand{color:#fff;font-size:1.4rem;margin-bottom:12px}
.footer-brand .brand .brand-accent{color:var(--color-accent)}
.footer-brand p{font-size:14px;color:rgba(245,240,235,0.65);line-height:1.7;max-width:280px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;letter-spacing:.08em;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--color-accent)}
.footer-col a{display:block;font-size:14px;color:rgba(245,240,235,0.6);padding:5px 0;transition:all var(--transition)}
.footer-col a:hover{color:var(--color-accent);padding-left:8px}
.footer-col .contact-line{font-size:14px;color:rgba(245,240,235,0.6);padding:5px 0;display:flex;align-items:center;gap:8px}
.footer-col .contact-line i{color:var(--color-accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:13px;color:rgba(245,240,235,0.4)}
.footer-bottom .footer-links{display:flex;gap:20px}
.footer-bottom .footer-links a{font-size:13px;color:rgba(245,240,235,0.4)}
.footer-bottom .footer-links a:hover{color:var(--color-accent)}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
/* 滚动显现 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* roulang page: article */
:root {
  --color-primary: #8C6A4F;
  --color-primary-dark: #75543C;
  --color-secondary: #6E7B73;
  --color-accent: #C9A96A;
  --color-bg: #FAF7F2;
  --color-bg-soft: #F2ECE4;
  --color-dark: #2D2420;
  --color-text: #2D2420;
  --color-muted: #8A8278;
  --color-border: rgba(140, 106, 79, 0.15);
  --radius-sm: 0.5rem;
  --radius: 1rem;
  --radius-lg: 1.5rem;
  --shadow-sm: 0 1px 3px rgba(45, 36, 32, 0.06);
  --shadow-lg: 0 12px 32px rgba(45, 36, 32, 0.10);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-primary-dark); }
button { font-family: inherit; cursor: pointer; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem; }
.container-narrow { max-width: 820px; }
::selection { background: rgba(201, 169, 106, .35); }

/* ===== Header 杂志刊头导航 ===== */
.site-header {
  background: rgba(250, 247, 242, .95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.top-rule { height: 3px; background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); }
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: .02em;
  color: var(--color-dark);
  white-space: nowrap;
  line-height: 1.2;
  flex-shrink: 0;
}
.brand-logo i { color: var(--color-primary); font-size: 1.1rem; }
.brand-accent { color: var(--color-primary); }
.brand-divider { color: var(--color-accent); margin: 0 2px; }
.header-vertical { width: 1px; height: 2.2rem; background: rgba(140,106,79,.2); flex-shrink: 0; }

.main-nav { display: flex; align-items: center; gap: 0.25rem; margin-left: .25rem; }
.nav-link {
  display: inline-block;
  padding: .55rem 1.1rem;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--color-text);
  border-radius: 999px;
  position: relative;
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--color-primary); background: rgba(140,106,79,.06); }
.nav-link.active { color: var(--color-primary); font-weight: 700; background: rgba(140,106,79,.08); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 2px;
  width: 18px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-primary);
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  color: var(--color-primary);
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  transition: background .2s, transform .15s;
  margin-left: auto;
  flex-shrink: 0;
}
.nav-toggle:hover { background: rgba(140,106,79,.08); }
.nav-toggle:active { transform: scale(.96); }
.nav-toggle i { transition: transform .25s; }
.nav-toggle.active i { transform: rotate(90deg); }

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 1.2rem 0 .8rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}
.breadcrumb .crumb-inner { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; font-size: .875rem; color: var(--color-muted); }
.breadcrumb a { color: var(--color-muted); transition: color .2s; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { color: rgba(140,106,79,.4); }
.breadcrumb .current { color: var(--color-text); font-weight: 600; max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: inline-block; vertical-align: bottom; }

/* ===== 文章头部 ===== */
.article-header {
  padding: 3.5rem 0 0;
  text-align: center;
}
.article-header-inner { max-width: 860px; }
.article-cat {
  display: inline-block;
  background: rgba(140,106,79,.1);
  color: var(--color-primary);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .12em;
  padding: .35rem 1.1rem;
  border-radius: 999px;
  margin-bottom: 1.2rem;
}
.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.25;
  color: var(--color-dark);
  letter-spacing: -.01em;
  margin-bottom: 1.2rem;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: .75rem;
  color: var(--color-muted);
  font-size: .9rem;
  margin-bottom: 2rem;
}
.article-meta i { color: var(--color-primary); margin-right: .35rem; opacity: .8; }
.meta-sep { color: rgba(140,106,79,.3); }
.article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 0;
  background: var(--color-bg-soft);
}
.article-cover img { width: 100%; height: auto; max-height: 480px; object-fit: cover; }

/* ===== 正文区 ===== */
.article-body-wrap { padding: 3.5rem 0 2rem; }
.article-body { max-width: 780px; margin: 0 auto; font-size: 1.0625rem; line-height: 1.9; color: #3A322C; }
.article-body p { margin-bottom: 1.6em; }
.article-body h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-dark);
  margin: 2.6em 0 1em;
  padding-left: .85rem;
  border-left: 4px solid var(--color-primary);
  line-height: 1.35;
}
.article-body h3 { font-size: 1.25rem; font-weight: 700; color: var(--color-dark); margin: 2em 0 .8em; }
.article-body a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(140,106,79,.35); }
.article-body a:hover { text-decoration-color: var(--color-primary); }
.article-body ul, .article-body ol { padding-left: 1.5em; margin-bottom: 1.6em; }
.article-body ul li, .article-body ol li { margin-bottom: .45em; }
.article-body ul li::marker { color: var(--color-primary); }
.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg-soft);
  padding: 1.2rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.8em 0;
  color: var(--color-muted);
  font-style: normal;
}
.article-body blockquote p { margin-bottom: .5em; }
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body img { border-radius: var(--radius); margin: 1.8em 0; box-shadow: var(--shadow-sm); }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.8em 0; font-size: .95rem; }
.article-body th { background: var(--color-bg-soft); font-weight: 700; text-align: left; padding: .7rem 1rem; border: 1px solid var(--color-border); }
.article-body td { padding: .6rem 1rem; border: 1px solid var(--color-border); }
.article-body code { background: var(--color-bg-soft); padding: .15em .45em; border-radius: 6px; font-size: .9em; font-family: "SF Mono", "Fira Code", Consolas, monospace; }
.article-body pre { background: var(--color-dark); color: #EBE5DF; padding: 1.2rem 1.5rem; border-radius: var(--radius); overflow-x: auto; margin: 1.8em 0; font-size: .9rem; line-height: 1.7; }
.article-body pre code { background: none; padding: 0; color: inherit; }

/* ===== 文章未找到 ===== */
.not-found {
  max-width: 560px;
  margin: 2rem auto 4rem;
  text-align: center;
  padding: 3.5rem 2rem;
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(140,106,79,.25);
}
.nf-icon { font-size: 2.8rem; color: var(--color-accent); margin-bottom: 1rem; }
.not-found h3 { font-size: 1.5rem; font-weight: 800; color: var(--color-dark); margin-bottom: .6rem; }
.not-found p { color: var(--color-muted); margin-bottom: 1.5rem; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .8rem 2rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: .9875rem;
  border: 1px solid transparent;
  transition: all .2s ease;
  letter-spacing: .02em;
  line-height: 1.4;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 4px 14px rgba(140,106,79,.30); }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 22px rgba(140,106,79,.35); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(140,106,79,.25); }
.btn-light { background: #fff; color: var(--color-primary); box-shadow: 0 4px 14px rgba(0,0,0,.08); }
.btn-light:hover { background: var(--color-bg-soft); color: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.12); }
.btn-light:active { transform: translateY(0); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: rgba(140,106,79,.06); color: var(--color-primary-dark); border-color: var(--color-primary-dark); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }

/* ===== 文末标签 ===== */
.article-footer { padding: 1rem 0 3rem; border-top: 1px solid var(--color-border); margin-top: 2rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 2.2rem; justify-content: center; }
.tag {
  display: inline-block;
  padding: .35rem 1rem;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(140,106,79,.08);
  border-radius: 999px;
  border: 1px solid rgba(140,106,79,.12);
  transition: background .2s;
}
.tag:hover { background: rgba(140,106,79,.16); }
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  max-width: 780px;
  margin: 0 auto;
}
.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.4rem 1.6rem;
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all .25s ease;
}
.post-nav-link:hover { border-color: var(--color-border); background: #FFF; box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.post-nav-link.next { text-align: right; align-items: flex-end; }
.nav-label { font-size: .8rem; font-weight: 600; color: var(--color-muted); display: inline-flex; align-items: center; gap: .45rem; letter-spacing: .08em; }
.nav-title { font-size: .975rem; font-weight: 700; color: var(--color-dark); line-height: 1.5; }

/* ===== 相关阅读 ===== */
.related-section { padding: 5rem 0; background: var(--color-bg-soft); }
.section-head { margin-bottom: 2.5rem; }
.section-head .eyebrow {
  display: inline-block;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 900; color: var(--color-dark); letter-spacing: -.01em; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.related-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
}
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(140,106,79,.25); }
.related-img { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.related-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-img img { transform: scale(1.04); }
.related-body { padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; gap: .55rem; flex: 1; }
.card-tag { align-self: flex-start; font-size: .75rem; font-weight: 700; letter-spacing: .06em; color: var(--color-primary); background: rgba(140,106,79,.09); padding: .25rem .85rem; border-radius: 999px; }
.related-body h3 { font-size: 1.05rem; font-weight: 800; color: var(--color-dark); line-height: 1.45; }
.related-body p { font-size: .875rem; color: var(--color-muted); line-height: 1.6; flex: 1; }

/* ===== CTA ===== */
.cta-section { padding: 5rem 0; background: var(--color-bg); }
.cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, #7A5A41 60%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 4rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
}
.cta-box::after {
  content: "";
  position: absolute;
  bottom: -90px; left: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
}
.cta-box h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 900; color: #fff; margin-bottom: .8rem; position: relative; z-index: 1; }
.cta-box p { color: rgba(255,255,255,.87); font-size: 1.05rem; margin-bottom: 2rem; position: relative; z-index: 1; }
.cta-box .btn { position: relative; z-index: 1; }

/* ===== Footer ===== */
.site-footer { background: var(--color-dark); color: rgba(255,255,255,.65); padding: 4.5rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer-brand .brand { font-size: 1.3rem; font-weight: 900; color: #fff; display: flex; align-items: center; gap: .5rem; margin-bottom: 1rem; }
.footer-brand .brand i { color: var(--color-accent); }
.footer-brand .brand-accent { color: var(--color-accent); }
.footer-brand p { font-size: .9rem; line-height: 1.7; max-width: 320px; color: rgba(255,255,255,.55); }
.footer-col h4 { font-size: .9375rem; font-weight: 700; color: #fff; margin-bottom: 1.1rem; letter-spacing: .05em; }
.footer-col { display: flex; flex-direction: column; gap: .65rem; align-items: flex-start; }
.footer-col a { color: rgba(255,255,255,.55); font-size: .9375rem; transition: all .2s ease; }
.footer-col a:hover { color: var(--color-accent); transform: translateX(4px); }
.contact-line { display: inline-flex; align-items: center; gap: .6rem; font-size: .9rem; color: rgba(255,255,255,.55); }
.contact-line i { color: var(--color-accent); width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .8rem;
}
.footer-bottom p { font-size: .85rem; color: rgba(255,255,255,.45); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: .85rem; color: rgba(255,255,255,.45); transition: color .2s; }
.footer-links a:hover { color: var(--color-accent); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .header-inner { gap: 1rem; }
  .brand-logo { font-size: 1.15rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding-left: 1.25rem; padding-right: 1.25rem; }
  .site-header.scrolled .header-inner { padding-top: .7rem; padding-bottom: .7rem; }
  .nav-toggle { display: inline-flex; }
  .header-vertical { display: none; }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem 1.5rem;
    gap: .5rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform .3s ease;
    visibility: hidden;
    z-index: 99;
  }
  .main-nav.open { transform: translateY(0); visibility: visible; }
  .nav-link { padding: .85rem 1.2rem; font-size: 1.05rem; border-radius: var(--radius-sm); }
  .nav-link.active { background: rgba(140,106,79,.1); }
  .nav-link.active::after { display: none; }
  .brand-logo { font-size: 1.05rem; }
  .breadcrumb { padding-top: .9rem; }
  .article-header { padding-top: 2.5rem; }
  .article-header h1 { font-size: 1.65rem; }
  .article-meta { gap: .5rem; font-size: .8125rem; }
  .article-body { font-size: 1rem; line-height: 1.85; }
  .post-nav { grid-template-columns: 1fr; gap: .8rem; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 3rem 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding-left: 1rem; padding-right: 1rem; }
  .brand-logo { font-size: .92rem; }
  .brand-logo i { font-size: .9rem; }
  .article-headwrap { padding: 2rem 0 0; }
  .article-cover { border-radius: var(--radius); }
  .article-meta .meta-sep { display: none; }
  .article-meta span { display: inline-flex; align-items: center; }
  .tag-list { justify-content: flex-start; }
  .related-grid { gap: 1rem; }
  .cta-box h2 { font-size: 1.4rem; }
}

/* roulang page: category1 */
:root {
    --c-primary: #8C6A4F;
    --c-primary-dark: #6E4E37;
    --c-primary-light: #B59274;
    --c-secondary: #6E7B73;
    --c-accent: #C9A96A;
    --c-bg: #FAF7F2;
    --c-bg-soft: #F2ECE4;
    --c-dark: #2D2420;
    --c-dark-soft: #3A2F28;
    --c-text: #3E352C;
    --c-muted: #8A8178;
    --c-border: rgba(140, 106, 79, 0.15);
    --c-white: #FFFFFF;
    --radius: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 999px;
    --shadow-sm: 0 1px 3px rgba(45, 36, 32, 0.06), 0 1px 2px rgba(45, 36, 32, 0.04);
    --shadow-md: 0 6px 20px rgba(45, 36, 32, 0.08);
    --shadow-lg: 0 16px 40px rgba(45, 36, 32, 0.12);
    --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-sans);
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

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

  a {
    text-decoration: none;
    color: inherit;
  }

  button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
  }

  .container {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  @media (min-width: 768px) {
    .container {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }

  .section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  @media (min-width: 768px) {
    .section {
      padding-top: 6rem;
      padding-bottom: 6rem;
    }
  }

  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.875rem;
    letter-spacing: 0.22em;
    color: var(--c-primary);
    font-weight: 600;
    text-transform: uppercase;
  }

  .section-eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: var(--c-accent);
    display: inline-block;
  }

  .section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--c-dark);
    margin-top: 0.75rem;
  }

  .section-sub {
    font-size: 1.05rem;
    color: var(--c-muted);
    max-width: 42rem;
    margin-top: 1rem;
    line-height: 1.8;
  }

  /* ====== Header / Nav ====== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 247, 242, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--c-border);
    transition: box-shadow 0.3s ease;
  }

  .site-header.scrolled {
    box-shadow: 0 4px 20px rgba(45, 36, 32, 0.07);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.75rem;
    gap: 2rem;
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 1.45rem;
    font-weight: 900;
    color: var(--c-dark);
    white-space: nowrap;
    transition: opacity 0.2s ease;
  }

  .brand-logo i {
    color: var(--c-primary);
    font-size: 1.5rem;
  }

  .brand-logo em {
    font-style: normal;
    color: var(--c-primary);
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 2.25rem;
  }

  .nav-link {
    position: relative;
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-text);
    padding: 0.5rem 0.1rem;
    letter-spacing: 0.06em;
    transition: color 0.2s ease;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--c-primary);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease-out;
  }

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

  .nav-link:hover::after {
    transform: scaleX(1);
  }

  .nav-link.active {
    color: var(--c-primary);
    font-weight: 700;
  }

  .nav-link.active::after {
    transform: scaleX(1);
  }

  .nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
  }

  .nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--c-dark);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  @media (max-width: 767px) {
    .nav-toggle {
      display: flex;
    }

    .main-nav {
      position: fixed;
      top: 4.75rem;
      left: 0;
      right: 0;
      background: var(--c-bg);
      flex-direction: column;
      align-items: stretch;
      gap: 0;
      padding: 0.5rem 1.25rem 1.5rem;
      border-bottom: 1px solid var(--c-border);
      box-shadow: 0 20px 40px rgba(45, 36, 32, 0.1);
      transform: translateY(-12px);
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    }

    .main-nav.open {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .nav-link {
      padding: 0.9rem 0.25rem;
      border-bottom: 1px solid var(--c-border);
      font-size: 1.05rem;
    }

    .nav-link:last-child {
      border-bottom: none;
    }

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

    .nav-link.active {
      color: var(--c-primary);
      padding-left: 0.75rem;
    }
  }

  /* ====== Buttons ====== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.98rem;
    line-height: 1.4;
    transition: all 0.22s ease;
    white-space: nowrap;
  }

  .btn-primary {
    background: var(--c-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(140, 106, 79, 0.3);
  }

  .btn-primary:hover {
    background: var(--c-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(140, 106, 79, 0.35);
  }

  .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(140, 106, 79, 0.25);
  }

  .btn-outline {
    background: transparent;
    color: var(--c-primary);
    border: 1px solid rgba(140, 106, 79, 0.4);
  }

  .btn-outline:hover {
    background: rgba(140, 106, 79, 0.06);
    border-color: var(--c-primary);
    transform: translateY(-2px);
  }

  .btn-outline:active {
    transform: translateY(0);
  }

  .btn-white {
    background: #fff;
    color: var(--c-primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  }

  .btn-white:hover {
    background: var(--c-bg-soft);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  }

  .btn:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 3px;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--c-primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: gap 0.25s ease, color 0.2s ease;
  }

  .text-link i {
    transition: transform 0.25s ease;
  }

  .text-link:hover {
    color: var(--c-primary-dark);
  }

  .text-link:hover i {
    transform: translateX(4px);
  }

  /* ====== Hero ====== */
  .hero {
    position: relative;
    min-height: 32rem;
    display: flex;
    align-items: center;
    background: linear-gradient(100deg, rgba(250, 247, 242, 0.96) 30%, rgba(250, 247, 242, 0.72) 60%, rgba(250, 247, 242, 0.35) 100%), url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
    padding: 5rem 0;
    border-bottom: 1px solid var(--c-border);
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(201, 169, 106, 0.16);
    color: var(--c-primary-dark);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.08em;
    border: 1px solid rgba(201, 169, 106, 0.35);
    margin-bottom: 1.5rem;
  }

  .hero h1 {
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -0.01em;
    color: var(--c-dark);
    max-width: 13em;
  }

  .hero h1 .highlight {
    color: var(--c-primary);
    position: relative;
    white-space: nowrap;
  }

  .hero h1 .highlight::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.08em;
    height: 0.35em;
    background: rgba(201, 169, 106, 0.35);
    z-index: -1;
    border-radius: 4px;
  }

  .hero-sub {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--c-muted);
    max-width: 36rem;
    margin-top: 1.25rem;
  }

  .hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    margin-top: 2.25rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(140, 106, 79, 0.15);
  }

  .hero-trust span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--c-primary-dark);
    font-weight: 600;
  }

  .hero-trust i {
    color: var(--c-accent);
  }

  @media (max-width: 640px) {
    .hero {
      min-height: 28rem;
      padding: 3.5rem 0;
    }

    .hero h1 {
      font-size: clamp(1.9rem, 7vw, 2.6rem);
    }

    .hero-sub {
      font-size: 1rem;
    }

    .hero-trust {
      gap: 0.75rem 1.25rem;
    }
  }

  /* ====== Breadcrumb ====== */
  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--c-muted);
    padding: 1.25rem 0 0;
  }

  .breadcrumb a {
    color: var(--c-primary);
    transition: color 0.2s ease;
  }

  .breadcrumb a:hover {
    color: var(--c-primary-dark);
    text-decoration: underline;
  }

  .breadcrumb .sep {
    color: rgba(140, 106, 79, 0.4);
  }

  .breadcrumb .current {
    color: var(--c-text);
    font-weight: 600;
  }

  /* ====== Cards ====== */
  .card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    overflow: hidden;
  }

  .card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(140, 106, 79, 0.3);
  }

  .card-image {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--c-bg-soft);
  }

  .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .card:hover .card-image img {
    transform: scale(1.03);
  }

  .card-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(45, 36, 32, 0.75);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
  }

  .card-body {
    padding: 1.5rem;
  }

  .card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--c-dark);
    line-height: 1.4;
    margin-bottom: 0.5rem;
  }

  .card-desc {
    font-size: 0.94rem;
    color: var(--c-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
  }

  .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--c-muted);
    border-top: 1px solid var(--c-border);
    padding-top: 0.9rem;
  }

  /* ====== Feature Card ====== */
  .feature-card {
    background: var(--c-bg-soft);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
    border: 1px solid transparent;
    transition: all 0.25s ease;
  }

  .feature-card:hover {
    background: #fff;
    border-color: var(--c-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }

  .feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(140, 106, 79, 0.12);
    color: var(--c-primary);
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
    transition: background 0.25s ease, color 0.25s ease;
  }

  .feature-card:hover .feature-icon {
    background: var(--c-primary);
    color: #fff;
  }

  .feature-card h3 {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 0.6rem;
  }

  .feature-card p {
    font-size: 0.94rem;
    color: var(--c-muted);
    line-height: 1.7;
  }

  /* ====== Step Card ====== */
  .step-card {
    position: relative;
    text-align: center;
    padding: 2rem 1.5rem;
  }

  .step-num {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
    box-shadow: 0 8px 20px rgba(140, 106, 79, 0.3);
  }

  .step-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 0.5rem;
  }

  .step-card p {
    font-size: 0.93rem;
    color: var(--c-muted);
    line-height: 1.7;
  }

  .step-arrow {
    position: absolute;
    top: 50%;
    right: -1.8rem;
    transform: translateY(-50%);
    color: var(--c-accent);
    font-size: 1.1rem;
    z-index: 2;
    display: none;
  }

  @media (min-width: 1024px) {
    .step-arrow {
      display: block;
    }
  }

  /* ====== Scene Card ====== */
  .scene-card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--c-border);
    padding: 2rem 1.75rem;
    transition: all 0.25s ease;
  }

  .scene-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(140, 106, 79, 0.3);
  }

  .scene-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(110, 123, 115, 0.12);
    color: var(--c-secondary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
  }

  .scene-card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 0.5rem;
  }

  .scene-card p {
    font-size: 0.93rem;
    color: var(--c-muted);
    line-height: 1.7;
  }

  /* ====== Intro ====== */
  .intro-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
  }

  .intro-media img {
    width: 100%;
    height: 100%;
    min-height: 340px;
    object-fit: cover;
  }

  .intro-content .feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-top: 1.25rem;
  }

  .intro-content .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.98rem;
    color: var(--c-text);
    line-height: 1.6;
  }

  .intro-content .feature-list i {
    color: var(--c-accent);
    margin-top: 0.3rem;
    font-size: 1rem;
  }

  /* ====== FAQ ====== */
  .faq-wrap {
    max-width: 52rem;
    margin: 0 auto;
    border-top: 1px solid var(--c-border);
  }

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

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.4rem 0.25rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--c-dark);
    text-align: left;
    transition: color 0.2s ease;
  }

  .faq-question:hover {
    color: var(--c-primary);
  }

  .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--c-primary);
    transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease-out;
  }

  .faq-answer-inner {
    padding: 0 0.25rem 1.4rem;
    color: var(--c-muted);
    font-size: 0.97rem;
    line-height: 1.85;
  }

  /* ====== CTA ====== */
  .cta-box {
    position: relative;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 3.5rem 2rem;
    overflow: hidden;
    text-align: center;
  }

  .cta-box::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
  }

  .cta-box::after {
    content: "";
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
  }

  .cta-box h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
  }

  .cta-box p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    margin-top: 0.75rem;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
  }

  .cta-box .btn-wrap {
    position: relative;
    z-index: 2;
    margin-top: 1.75rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.9rem;
  }

  /* ====== Footer ====== */
  .site-footer {
    background: var(--c-dark);
    color: rgba(255, 255, 255, 0.72);
    padding-top: 4rem;
    margin-top: 5rem;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-bottom: 3rem;
  }

  .footer-brand .brand {
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
  }

  .footer-brand .brand i {
    color: var(--c-accent);
  }

  .footer-brand .brand-accent {
    color: var(--c-accent);
  }

  .footer-brand p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-top: 1rem;
    max-width: 24rem;
    color: rgba(255, 255, 255, 0.6);
  }

  .footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.1rem;
    letter-spacing: 0.06em;
  }

  .footer-col a,
  .footer-col .contact-line {
    display: block;
    font-size: 0.94rem;
    color: rgba(255, 255, 255, 0.6);
    padding: 0.35rem 0;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }

  .footer-col a:hover {
    color: var(--c-accent);
    padding-left: 4px;
  }

  .contact-line i {
    width: 1.25rem;
    color: var(--c-accent);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.45);
  }

  .footer-links {
    display: flex;
    gap: 1.5rem;
  }

  .footer-links a {
    color: rgba(255, 255, 255, 0.45);
    transition: color 0.2s ease;
  }

  .footer-links a:hover {
    color: var(--c-accent);
  }

  @media (min-width: 768px) {
    .footer-grid {
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }
  }

  /* ====== Focus ====== */
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 3px;
    border-radius: 4px;
  }

  /* ====== Reveal ====== */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ====== Misc ====== */
  .rule-line {
    display: block;
    width: 48px;
    height: 3px;
    border-radius: 3px;
    background: var(--c-accent);
    margin-top: 1rem;
    margin-bottom: 1.5rem;
  }

  .recommend-list {
    max-width: 44rem;
    margin: 0 auto;
  }

  .recommend-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.25rem 0.25rem;
    border-bottom: 1px solid var(--c-border);
    font-size: 0.98rem;
    color: var(--c-text);
    transition: padding-left 0.2s ease;
  }

  .recommend-item:last-child {
    border-bottom: none;
  }

  .recommend-item:hover {
    padding-left: 0.75rem;
  }

  .recommend-item i {
    color: var(--c-primary);
    font-size: 0.9rem;
  }