/* roulang page: index */
:root{
  --bg:#F5F3EE;
  --bg-card:#FFFFFF;
  --bg-dark:#171714;
  --primary:#1C4A3A;
  --primary-hover:#153627;
  --primary-light:#DCE8E2;
  --accent:#BE6A3C;
  --ink:#1E211F;
  --text-secondary:#6A6E66;
  --border:#E6E1D8;
  --border-dark:rgba(255,255,255,0.12);
  --success:#2E7D5B;
  --warning:#C08F2D;
  --error:#B24B3F;
  --radius-sm:2px;
  --radius-md:4px;
  --radius-card:6px;
  --shadow-1:0 1px 2px rgba(20,20,16,0.04),0 8px 24px -12px rgba(20,20,16,0.12);
  --shadow-2:0 18px 48px -20px rgba(20,20,16,0.28);
  --transition:cubic-bezier(0.22,1,0.36,1) .4s;
  --font-serif:"Georgia","Times New Roman","Songti SC","SimSun",serif;
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border-radius:var(--radius-md)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
input,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section-pad{padding:clamp(84px,10vh,140px) 0}
.text-serif{font-family:var(--font-serif)}

/* 导航 */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:100;background:rgba(245,243,238,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,225,216,.6);transition:box-shadow .35s ease,transform .4s ease}
.site-header.scrolled{box-shadow:0 8px 30px -24px rgba(20,20,16,.2)}
.site-header.hide{transform:translateY(-100%)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--font-serif);font-weight:700;font-size:14px;letter-spacing:1px;flex-shrink:0}
.logo-text{font-size:1.35rem;font-weight:700;font-family:var(--font-serif);color:var(--ink);letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:36px;margin-left:auto;margin-right:16px}
.main-nav a{font-size:.95rem;font-weight:500;color:var(--ink);position:relative;padding:6px 0;transition:color .3s}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:right;transition:transform .38s var(--transition)}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{transform:scaleX(1);transform-origin:left}
.main-nav a.active{color:var(--primary)}
.main-nav a.active::after{transform:scaleX(1);transform-origin:left}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;width:120px;height:42px;background:var(--ink);color:#fff;font-size:.9rem;font-weight:600;border-radius:4px;transition:background .3s,color .3s;white-space:nowrap}
.nav-cta:hover{background:var(--primary)}
.nav-cta:focus-visible,.main-nav a:focus-visible{outline:2px dashed var(--primary);outline-offset:3px}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;border-radius:4px;z-index:120;background:transparent}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:4px;transition:transform .3s var(--transition),opacity .2s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--primary)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--primary)}
.mobile-drawer{display:none;position:fixed;top:0;right:0;width:320px;max-width:85vw;height:100vh;background:#fff;z-index:110;padding:90px 36px 40px;box-shadow:-16px 0 48px rgba(20,20,16,.14);transform:translateX(100%);transition:transform .35s var(--transition);flex-direction:column;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer a{font-family:var(--font-serif);font-size:1.25rem;line-height:56px;font-weight:600;display:block;border-bottom:1px solid var(--border);transition:color .3s}
.mobile-drawer a:hover{color:var(--primary)}
.mobile-drawer a.active{color:var(--primary)}
.mobile-drawer .drawer-cta{margin-top:28px;text-align:center}
.mobile-drawer .drawer-cta a{display:inline-block;background:var(--ink);color:#fff;padding:12px 32px;border-radius:4px;font-family:var(--font-sans);font-size:1rem;line-height:1.4;border-bottom:none;transition:background .3s}
.mobile-drawer .drawer-cta a:hover{background:var(--primary)}
.drawer-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:105;opacity:0;transition:opacity .3s;backdrop-filter:blur(3px)}
.drawer-overlay.show{opacity:1}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:var(--bg-dark);background-image:linear-gradient(87deg,rgba(23,23,20,.97) 0%,rgba(23,23,20,.88) 40%,rgba(23,23,20,.45) 82%,rgba(23,23,20,.3) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center 40%}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 80% 10%,rgba(28,74,58,.28) 0%,transparent 55%)}
.hero-inner{position:relative;z-index:2;padding-top:120px;padding-bottom:84px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;align-items:center;gap:60px}
.hero-content{max-width:660px}
.hero-meta{display:flex;align-items:center;gap:16px;font-size:.83rem;letter-spacing:.12em;color:#a3a99f;margin-bottom:32px}
.hero-meta::before{content:"";width:46px;height:2px;background:var(--accent);flex-shrink:0}
.hero-meta .hero-meta-cn{letter-spacing:.3em;font-weight:500}
.hero h1{font-family:var(--font-serif);font-size:clamp(2.9rem,6vw,5.2rem);line-height:1.15;color:#fff;margin-bottom:26px;font-weight:700;letter-spacing:.01em}
.hero h1 .hth-green{color:#7eb8a0}
.hero-sub{font-size:clamp(1.05rem,1.4vw,1.2rem);line-height:1.9;color:rgba(255,255,255,.85);margin-bottom:42px;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:42px}
.btn-primary,.btn-secondary,.btn-dark,.btn-light{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 34px;border-radius:4px;font-size:.98rem;font-weight:600;letter-spacing:.02em;position:relative;overflow:hidden;z-index:1;transition:transform .3s var(--transition)} 
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary::after,.btn-dark::after,.btn-light::after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:var(--primary);z-index:-1;transition:left .4s var(--transition)}
.btn-primary:hover::after,.btn-dark:hover::after,.btn-light:hover::after{left:0}
.btn-secondary{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent);background:transparent;transform:translateY(-2px)}
.btn-primary:hover,.btn-dark:hover,.btn-light:hover{transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{color:var(--ink)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.hero-badges span{font-size:.82rem;color:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.22);padding:6px 14px;border-radius:100px;letter-spacing:.04em}
.hero-scroll-ind{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.6);font-size:.75rem;letter-spacing:.3em}
.scroll-line{width:1px;height:50px;background:linear-gradient(to bottom,transparent,rgba(255,255,255,.6));position:relative;overflow:hidden}
.scroll-line::after{content:"";position:absolute;top:-100%;left:0;width:100%;height:100%;background:#fff;animation:scrollLine 2s infinite}
@keyframes scrollLine{0%{top:-100%}100%{top:100%}}
.hero-aside{position:relative;display:none}
@media(min-width:992px){
  .hero-aside{display:block}
  .hero-visual-card{margin-left:40px;opacity:.9}
}
 
.hero-visual-visual{display:block}

/* 竖线提示组 */
.section-head{margin-bottom:clamp(52px,7vh,64px)}
.eyebrow{display:flex;align-items:center;gap:14px;font-size:.85rem;font-weight:600;letter-spacing:.3em;color:var(--primary);margin-bottom:18px;text-transform:uppercase}
.eyebrow-line{width:48px;height:3px;background:var(--primary)}
.eyebrow.center{justify-content:center}
.eyebrow.center .eyebrow-line{order:-1}
.section-title{font-family:var(--font-serif);font-size:clamp(2rem,3.6vw,3.4rem);line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:.01em;max-width:800px}
.section-lead{font-size:1.05rem;color:var(--text-secondary);line-height:1.9;max-width:700px;margin-top:16px}
.section-head.center{text-align:center}
.section-head.center .section-lead{margin-left:auto;margin-right:auto}

/* 痛点长条 */
.pain-card{display:grid;grid-template-columns:88px 1fr;background:var(--bg-card);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:34px 40px 34px 0;position:relative;overflow:hidden;border-left:3px solid var(--primary);transition:box-shadow .4s var(--transition),transform .4s var(--transition);margin-bottom:16px}
.pain-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.pain-num{font-family:var(--font-serif);font-size:2.2rem;font-weight:700;color:var(--accent);display:flex;align-items:center;justify-content:center;padding-left:20px}
.pain-body h3{font-size:1.25rem;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:12px}
.pain-body p{font-size:1rem;color:var(--text-secondary);line-height:1.85;max-width:900px;margin-top:6px;font-size:.95rem}

/* 深色分块 */
.dark-band{background:var(--bg-dark);position:relative;overflow:hidden}
.dark-band::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 0%,transparent 50%,rgba(28,74,58,.16) 100%)}
.dark-band .section-title{color:#fff}
.dark-band .section-lead{color:rgba(255,255,255,.7)}
.dark-band .eyebrow{color:#86b7a3}
.dark-band .eyebrow-line{background:#86b7a3}

/* 方案两行非对称 */
.solution-wrap{display:grid;grid-template-columns:7fr 5fr;gap:70px;align-items:center}
.solution-media{position:relative;align-self:stretch;min-height:440px;border-radius:var(--radius-card);overflow:hidden;background:var(--bg-dark)}
.solution-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;border-radius:6px}
.solution-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 32%,rgba(23,23,20,.72));border-radius:6px}
.solution-float{bottom:34px;left:32px}
.solution-modules{display:block}
.module-item{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid var(--border);transition:padding-left .3s ease}
.module-item:last-of-type{border-bottom:none}
.module-item:hover{padding-left:8px}
.module-num{flex-shrink:0;width:40px;height:40px;border-radius:50%;border:1px solid var(--primary);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:.95rem;font-weight:600}
.module-info h3{font-size:1.15rem;font-weight:700;margin-bottom:4px}
.module-info p{font-size:.95rem;color:var(--text-secondary);line-height:1.8;margin-bottom:8px}
.module-tags{display:flex;flex-wrap:wrap;gap:6px;padding-left:0}
.module-tags li{display:inline-block;font-size:.8rem;color:var(--primary);border:1px solid var(--primary-light);background:var(--primary-light);padding:2px 10px;border-radius:4px;font-weight:500}
.module-link{display:inline-block;margin-top:18px;margin-bottom:30px;font-size:.95rem;color:var(--primary);font-weight:600;border-bottom:2px solid transparent;transition:all .3s}
.module-link:hover{border-bottom-color:var(--accent);color:var(--accent)}
.module-link i{margin-left:4px;transition:transform .3s var(--transition)}
.module-link:hover i{transform:translateX(5px)}

/* 白底 / 浅底式用法 */
@media(max-width:991px){
  .section-pad{padding:70px 0}
  .solution-wrap{grid-template-columns:1fr;gap:48px}
  .pain-card{grid-template-columns:64px 1fr;padding:28px 24px}
}

/* 区块内通用 */
.bg-white-section{background:var(--bg-card)}
/* 统计条 */
.stat-band{background:var(--bg-dark) !important;position:relative}
.stat-band .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;text-align:center;position:relative;z-index:2}
.stat-item .stat-num{font-family:var(--font-serif);font-size:clamp(2.8rem,4vw,3.8rem);font-weight:700;color:var(--accent);line-height:1.2}
.stat-item .stat-label{font-size:.93rem;color:rgba(255,255,255,.68);margin-top:10px;position:relative;padding-bottom:18px}
.stat-item .stat-label::after{content:"";position:absolute;left:50%;bottom:0;width:26px;height:2px;background:rgba(255,255,255,.3);transform:translateX(-50%)}

/* 成果卡 对比 */
.result-list{margin-top:60px}
.result-card{display:grid;grid-template-columns:180px 1.5fr 1.2fr 110px;gap:26px;align-items:center;background:var(--bg-card);border-radius:var(--radius-card);padding:20px 30px;margin-bottom:14px;box-shadow:var(--shadow-1);transition:box-shadow .35s,transform .35s}
.result-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.result-thumb{width:100%;height:120px;object-fit:cover;border-radius:4px;background:#ddd}
.result-card-detail h4{font-family:var(--font-serif);font-size:1.45rem;font-weight:700;margin-bottom:8px}
.result-card-detail .result-desc{font-size:.9rem;color:var(--text-secondary);margin-bottom:8px}
.result-tag{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.result-tag span{font-size:.75rem;background:var(--primary-light);color:var(--primary);padding:3px 12px;border-radius:100px;font-weight:600}
.result-metric{display:flex;flex-direction:column}
.result-metric strong{font-family:var(--font-serif);font-size:2.4rem;font-weight:700;color:var(--primary);line-height:1.2}
.result-metric span{font-size:.78rem;color:var(--text-secondary)}
.result-arrow{text-align:right;color:var(--accent);font-size:1.2rem}

/* 信息列表 / cms 开始 */
@media(min-width:1200px){.news-layout{display:grid;grid-template-columns:1fr 1fr;gap:42px}}
.news-left-item{display:block;background:var(--bg-card);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow .35s,transform .35s;margin-bottom:14px}
.news-left-item:hover,.news-item:hover,.news-mini-item:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.news-img-wrap{overflow:hidden;border-radius:4px 4px 0 0;position:relative}
.news-img-wrap img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .6s cubic-bezier(.22,1,.36,1)}
.news-img-wrap img{opacity:.94}
.news-item:hover .news-img-wrap img{transform:scale(1.03);opacity:1}
.news-mini-item{display:flex;gap:18px;align-items:center;background:var(--bg-card);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:14px;margin-bottom:14px;transition:box-shadow .3s,transform .3s}
.news-mini-thumb{flex:0 0 126px;height:90px;overflow:hidden;border-radius:4px}
.news-mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-mini-item:hover .news-mini-thumb img{transform:scale(1.07)}
.news-mini-body{flex:1}
.news-item-content{padding:0 26px 28px;border-radius:0 0 6px 6px}
.news-cat{font-size:.72rem;font-weight:700;letter-spacing:.1em;color:var(--accent);background:rgba(190,106,60,.12);padding:3px 10px;border-radius:100px}
.news-title{font-family:var(--font-serif);font-size:1.15rem;margin:8px 0 6px;font-weight:700;line-height:1.5}
.news-meta{display:flex;align-items:center;font-size:.82rem;color:var(--text-secondary);margin-top:2px}
.news-meta span{display:flex;align-items:center;gap:4px}
.news-meta i{font-size:.9rem;color:var(--primary)}

/* 快速资讯静态 */
.quick-userblock{margin-top:12px}
.quick-userblock li{border-left:3px solid var(--primary-light);padding:6px 0 6px 18px;margin-bottom:12px;background:var(--bg-card);}
.quick-userblock li strong{font-weight:700}

/* 案例标签 */
.case-tag{border:1px solid var(--primary);color:var(--primary);border-radius:100px;padding:4px 16px;display:inline-block;font-size:.85rem;font-weight:600}

/* 客户证言 */
.gray-bg{background:var(--bg)}
.testi-simple{display:flex;justify-content:center;text-align:center;padding:32px}
.testi-simple blockquote{max-width:800px;font-family:var(--font-serif);font-size:clamp(1.3rem,2.4vw,1.9rem);line-height:1.7;font-weight:500;margin-bottom:32px;color:var(--ink)}
.testi-row{display:grid;grid-template-columns:1fr;gap:20px}
.testi-item{padding:34px 34px 30px;background:var(--bg-card);border-radius:6px;box-shadow:var(--shadow-1)}
.testi-item blockquote{margin-bottom:24px;padding-left:1px}
.testi-item blockquote p{font-family:var(--font-serif);font-size:1.1rem;line-height:1.9;font-weight:500}
.testi-user{display:grid;grid-template-columns:60px 1fr;gap:16px;align-items:center}
.testi-user img{width:60px;height:60px;border-radius:50%;object-fit:cover;background:var(--primary-light)}

/* 引号 */
.big-quote-icon{font-family:var(--font-serif);font-size:5.4rem;line-height:.8;color:var(--accent);opacity:.6;text-align:center;transform:scaleY(-1);margin-bottom:12px}
.testi-item:first-child .big-quote-icon{color:var(--primary)}

/* FAQ */
.faq-wrap{margin-top:10px}
.faq-item{border-bottom:1px solid var(--border);padding:22px 0}
.faq-question{display:flex;justify-content:space-between;gap:20px;align-items:center;width:100%;background:none;border:none;text-align:left;padding:0;font-size:1.1rem;font-weight:600;color:var(--ink);cursor:pointer;transition:color .3s;font-family:var(--font-serif)}
.faq-question:hover{color:var(--primary)}
.faq-arrow{flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;transition:transform .35s;color:var(--accent)}
.faq-item.active .faq-arrow{transform:rotate(45deg)}
.faq-arrow svg{width:15px;height:15px}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.22,1,.36,1),padding .3s}
.faq-item.active .faq-answer{max-height:300px;padding-top:12px}
.faq-answer p{font-size:.95rem;color:var(--text-secondary);line-height:1.85;max-width:840px}

/* 最终CTA */
.cta-final{position:relative;z-index:1;background:var(--bg-dark);background-image:linear-gradient(84deg,rgba(23,23,20,.94) 0%,rgba(23,23,20,.55) 55%,rgba(23,23,20,.35) 80%),url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;color:#fff;text-align:center;padding:105px 0}
.cta-final h2{font-family:var(--font-serif);font-size:clamp(2rem,4vw,3.5rem);line-height:1.25;margin-bottom:18px;font-weight:700;max-width:680px;margin-left:auto;margin-right:auto}
.cta-final p{max-width:600px;margin:0 auto 44px;font-size:1.1rem;color:rgba(255,255,255,.8);line-height:1.9}
.cta-final-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.arrow-move i{margin-left:4px;transition:transform .3s var(--transition);display:inline-block}
.arrow-move:hover i{transform:translateX(6px)}

/* 页脚 */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.82)}
.footer-mid{display:grid;grid-template-columns:1fr 2fr;column-gap:60px;padding-bottom:60px;padding-top:76px;border-bottom:1px solid var(--border-dark)}
.footer-info .logo-text{color:#fff}
.footer-brand-slogan{max-width:260px;line-height:1.85;font-size:.92rem;margin-top:18px;color:rgba(255,255,255,.52)}
.footer-links{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px}
footer .list-title{font-size:.72rem;font-weight:600;letter-spacing:.38em;color:#9db2a8;padding-bottom:16px;margin-bottom:10px;border-bottom:1px solid rgba(255,255,255,.12)}
footer .list-title:nth-child(2){}
.footer-links-col{display:block}
.footer-links-col,.footer-info{display:flex;flex-direction:column}
.footer-links a,.footer-info p{color:rgba(255,255,255,.64);font-size:.92rem;line-height:2.2}
.footer-links a:hover{color:#fff}
.footer-owner{padding:32px 0 38px;font-size:.82rem;display:flex;justify-content:space-between;text-align:left;color:rgba(255,255,255,.48)}
.footer-owner .beian{color:rgba(255,255,255,.48);pointer-events:none}
.footer-owner span{display:inline-flex;gap:18px}
@media(max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-drawer{display:flex}
  .drawer-overlay{display:block}
  .nav-cta{display:none}
  .footer-mid{grid-template-columns:1fr;gap:50px}
  .hero-scroll-ind{display:none}
}
@media(max-width:767px){
  .site-header{background:rgba(245,243,238,.97)}
  .container,.hero-inner{max-width:100%;padding-left:20px;padding-right:20px}
  .hero-grid{display:block}
  .hero h1{font-size:clamp(1.9rem,9vw,2.7rem);line-height:1.3}
  .hero-meta{font-size:.74rem;letter-spacing:.05rem}
  .main-nav a{padding:8px 0}
  .cta-final{background:#151512}
  .stats-grid{grid-template-columns:repeat(2,1fr) !important;gap:30px}
  .result-card{grid-template-columns:1fr;width:100%;gap:16px;padding:20px 20px 16px}
  .result-thumb{height:80px}
  .result-arrow{text-align:left}
  .news-mini-item{width:100%}
  .news-left-item+.news-right-items{display:flex;flex-direction:column}
  .footer-links a{font-size:.9rem}
  .section-title{font-size:1.9rem}
  .pain-card{grid-template-columns:1fr;grid-template-rows:auto auto;padding:26px 20px}
  .pain-num{font-size:1.6rem;justify-content:flex-start;padding-left:0}
  .pain-body h3{flex-wrap:wrap}
  .hero-badges span{font-size:.74rem;padding:4px 10px}
  .section-pad{padding:62px 0}
  .mobile-drawer a{font-size:1.15rem}}
@media(max-width:520px){
  .container,.hero-inner{padding-left:16px;padding-right:16px}
  .section-title{line-height:1.4}
  .footer-mid{grid-template-columns:1fr}
  .footer-links{grid-template-columns:1fr 1fr;gap:24px}
  .footer-bottom-text{margin-bottom:0}
  .testi-item{padding:24px 16px}
}
@media(max-width:767px){
  .hero-aside{display:none}
  .hero-actions{flex-direction:column}
  .hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%;padding:0}
  .cta-final-actions{flex-direction:column}
  .cta-final-actions .btn-primary,.cta-final-actions .btn-secondary{width:90%;margin:0 auto}
}

/* 分隔细线 */
.notice-divider{height:1px;background:var(--border);border:none;margin:0}
/* 无缝上移 */
#sk-section .news-grid,.news-row,.news-col{display:block}
@media(min-width:768px){
  .news-col{display:grid;grid-template-columns:1fr 1fr;column-gap:28px}
}
/* 加些更 “现代 / 定制” 的边角 */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --bg:#F5F3EE;
  --bg-white:#FFFFFF;
  --bg-dark:#171714;
  --primary:#1C4A3A;
  --primary-light:#2F6753;
  --accent:#BE6A3C;
  --ink:#1E211F;
  --muted:#6A6E66;
  --line:#E6E1D8;
  --line-dark:rgba(255,255,255,.14);
  --radius:4px;
  --radius-sm:2px;
  --shadow-sm:0 1px 2px rgba(20,20,16,.04), 0 8px 24px -12px rgba(20,20,16,.12);
  --shadow-md:0 18px 48px -20px rgba(20,20,16,.28);
  --container:1200px;
  --space-section:clamp(84px, 10vh, 140px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .3s ease,border-color .3s ease,background .3s ease,transform .3s ease}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit}
.container{width:min(var(--container),100% - 64px);margin:0 auto}
button:focus-visible,a:focus-visible{outline:2px dashed var(--primary);outline-offset:4px;border-radius:var(--radius-sm)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,243,238,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(230,225,216,.72);
}
.site-header.scrolled{box-shadow:0 8px 30px -24px rgba(0,0,0,.22)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:18px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:var(--radius-sm);
  background:var(--primary);color:#fff;
  font-family:Georgia,"Times New Roman",serif;
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.logo-text{font-family:Georgia,"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:1.35rem;font-weight:700;color:var(--ink);letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{position:relative;font-size:.95rem;font-weight:500;color:#4A4E48;padding:8px 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.22,1,.36,1)}
.main-nav a:hover,.main-nav a.active{color:var(--primary)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.nav-cta{
  flex-shrink:0;height:40px;padding:0 22px;border-radius:var(--radius);
  background:var(--ink);color:#fff;font-size:.92rem;font-weight:600;
  display:inline-flex;align-items:center;gap:8px;transition:background .3s ease,transform .3s ease;
}
.nav-cta:hover{background:var(--primary);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{display:none;width:42px;height:42px;flex-direction:column;align-items:center;justify-content:center;gap:5px;z-index:82;border-radius:var(--radius-sm)}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .3s ease,opacity .3s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Footer ===== */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.72);margin-top:0}
.footer-mid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px 56px;padding:72px 0 48px}
.footer-info .logo .logo-mark{background:rgba(255,255,255,.14)}
.footer-info .logo .logo-text{color:#fff}
.footer-info p{max-width:340px;margin-top:18px;line-height:1.8}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.list-title{margin-bottom:18px;color:#fff;font-size:.95rem;font-weight:600}
.footer-links a{color:rgba(255,255,255,.6);line-height:2.4;font-size:.92rem}
.footer-links a:hover{color:#fff}
.footer-owner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:22px 0;border-top:1px solid var(--line-dark);font-size:.86rem;color:rgba(255,255,255,.42)}
.beian{color:rgba(255,255,255,.42)}

/* ===== Article page ===== */
.post-page .site-header{background:rgba(245,243,238,.88)}
.post-page-main{min-height:60vh}
.post-breadcrumb{padding:26px 0 8px;font-size:.88rem;color:var(--muted)}
.post-breadcrumb a{color:var(--muted)}
.post-breadcrumb a:hover{color:var(--primary)}
.post-breadcrumb .sep{margin:0 10px;opacity:.6}
.post-missing-wrap{max-width:640px;margin:12vh auto;background:var(--bg-white);border:1px solid var(--line);border-left:3px solid var(--primary);border-radius:var(--radius);padding:56px 48px;box-shadow:var(--shadow-sm)}
.post-missing-wrap h1{font-family:Georgia,"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:2rem;color:var(--ink);position:relative;padding-bottom:20px}
.post-missing-wrap p{margin-top:14px;color:var(--muted)}
.post-missing-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn-primary,.btn-secondary{display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 28px;border-radius:var(--radius);font-size:.95rem;font-weight:600;justify-content:center}
.btn-primary{background:var(--primary);color:#fff;overflow:hidden;position:relative}
.btn-primary::after{content:"";position:absolute;inset:0;background:var(--ink);transform:translateX(-101%);transition:transform .35s cubic-bezier(.22,1,.36,1);z-index:0}
.btn-primary span{position:relative;z-index:1}
.btn-primary:hover{color:#fff}
.btn-primary:hover::after{transform:translateX(0)}
.btn-secondary{border:1px solid var(--line);background:transparent;color:var(--ink)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}

/* Article */
.article-layout{max-width:1120px;margin:0 auto;padding-top:18px;padding-bottom:72px}
.article-content{max-width:880px;margin:0 auto}
.article-header{padding:34px 0 42px;position:relative}
.article-kicker{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:600;letter-spacing:.12em;color:var(--primary);text-transform:uppercase;padding:6px 12px;border:1px solid rgba(28,74,58,.24);border-radius:100px;background:rgba(28,74,58,.05);margin-bottom:24px}
.article-header h1{font-family:Georgia,"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.22;color:var(--ink);font-weight:700;margin-bottom:24px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 8px;font-size:.9rem;color:var(--muted);padding-top:18px;border-top:1px solid var(--line)}
.article-meta .meta-dot{width:3px;height:3px;border-radius:50%;background:#B7B2A7;margin:0 4px}
.article-hero-media{margin:0 0 48px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);background:#D8D3C8}
.article-hero-media img{width:100%;max-height:440px;object-fit:cover}
.article-body-wrapper{max-width:760px;margin:0 auto}
.post-body{font-size:1.06rem;line-height:1.9;color:#272B27}
.post-body > * + *{margin-top:1.5em}
.post-body h2{font-family:Georgia,"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:clamp(1.55rem,2.6vw,2.05rem);line-height:1.38;color:var(--ink);margin-top:2.4em;margin-bottom:.7em;font-weight:700;position:relative;padding-left:18px}
.post-body h2::before{content:"";position:absolute;left:0;top:.24em;height:1.1em;width:3px;background:var(--accent);border-radius:2px}
.post-body h3{font-family:Georgia,"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:1.4rem;line-height:1.5;color:var(--ink);margin-top:2em;font-weight:700}
.post-body p{margin:1.2em 0}
.post-body a{color:var(--primary);border-bottom:1px solid rgba(28,74,58,.3);padding-bottom:1px}
.post-body a:hover{border-bottom-color:var(--primary);background-color:rgba(28,74,58,.04)}
.post-body ul,.post-body ol{padding-left:1.25em;margin:1.2em 0}
.post-body li{margin:.55em 0}
.post-body blockquote{position:relative;margin:2em 0;padding:1.1em 1.5em 1.1em 2em;background:#F9F6F0;border-left:3px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#384138;font-size:1.04rem}
.post-body blockquote cite{display:block;margin-top:.8em;font-style:normal;font-size:.9rem;color:var(--muted)}
.post-body img{border-radius:var(--radius);box-shadow:var(--shadow-sm);margin:1.8em auto}
.post-body figure{margin:2em 0}
.post-body figcaption{text-align:center;font-size:.85rem;color:var(--muted);margin-top:.8em}
.post-body code{background:#ECE9E1;padding:.18em .5em;border-radius:3px;font-size:.9em;color:#2F3B34;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.post-body pre{background:var(--bg-dark);color:#E9E6DF;padding:1.3em 1.5em;border-radius:var(--radius);overflow-x:auto;line-height:1.7}
.post-body pre code{background:none;padding:0;color:inherit}
.post-body table{width:100%;border-collapse:collapse;font-size:.95rem;margin:2em 0}
.post-body th,.post-body td{border:1px solid var(--line);padding:.7em .9em;text-align:left}
.post-body th{background:#F3EFE8;font-weight:600}
.post-body tr:nth-child(even) td{background:#FAF8F4}

.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:58px;padding-top:26px;border-top:1px solid var(--line)}
.post-tags a{display:inline-flex;align-items:center;gap:6px;font-size:.84rem;color:var(--muted);padding:7px 16px;border:1px solid var(--line);border-radius:100px;background:rgba(255,255,255,.5)}
.post-tags a:hover{border-color:var(--primary);color:var(--primary);background:rgba(28,74,58,.04)}
.post-cta{margin-top:64px;padding:44px 40px;border-radius:var(--radius);background:linear-gradient(120deg,rgba(23,23,20,.94),rgba(28,74,58,.85)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:30px;align-items:center}
.post-cta .cta-copy{position:relative;z-index:1}
.cta-eyebrow{font-size:.8rem;letter-spacing:.16em;color:#C6D5CE;text-transform:uppercase}
.post-cta h2{font-family:Georgia,"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:clamp(1.7rem,3vw,2.3rem);line-height:1.35;color:#fff;margin:14px 0 14px}
.post-cta p{color:rgba(255,255,255,.66);font-size:.95rem;max-width:500px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn-light{position:relative;display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--radius);background:#fff;color:var(--primary);font-size:.93rem;font-weight:700;overflow:hidden}
.btn-light::after{content:"→";display:inline-block;transition:transform .3s ease}
.btn-light:hover::after{transform:translateX(5px)}
.btn-ghost-light{border:1px solid rgba(255,255,255,.5);color:#fff;font-weight:600}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.06)}

.post-more{max-width:1120px;margin:0 auto;padding:90px 0 10px}
.post-more-heading{margin-bottom:34px}
.post-more-heading .eyebrow{font-size:.82rem;letter-spacing:.2em;color:var(--primary);font-weight:600;display:block;margin-bottom:12px}
.post-more-heading h2{font-family:Georgia,"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:clamp(1.8rem,3vw,2.5rem);color:var(--ink);font-weight:700}
.more-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.more-card{display:block;background:var(--bg-white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 30px 24px;box-shadow:var(--shadow-sm);transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s ease}
.more-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.more-card .more-label{display:inline-block;font-size:.78rem;letter-spacing:.1em;color:var(--accent);font-weight:600;margin-bottom:14px;border-bottom:1px solid rgba(190,106,60,.3)}
.more-card h3{font-family:Georgia,"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:1.35rem;color:var(--ink);line-height:1.4}
.more-card p{margin-top:12px;color:var(--muted);font-size:.95rem;line-height:1.75}
.more-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-weight:600;font-size:.92rem;color:var(--primary)}
.more-link .arrow{transition:transform .3s ease}
.more-card:hover .more-link .arrow{transform:translateX(6px)}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.is-visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.12s}
.reveal-delay-2{transition-delay:.2s}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .main-nav{
    position:fixed;top:0;right:-100%;width:76%;max-width:420px;height:100vh;
    background:var(--bg-white);flex-direction:column;justify-content:center;align-items:flex-start;
    gap:10px;padding:80px 36px 36px;box-shadow:var(--shadow-md);border-left:1px solid var(--line);
    transition:right .45s cubic-bezier(.22,1,.36,1);z-index:60;
  }
  body.nav-open .main-nav{right:0}
  body.nav-open::after{content:"";position:fixed;inset:0;background:rgba(23,23,20,.42);z-index:55}
  .main-nav a{width:100%;font-size:1.2rem;padding:16px 0;border-bottom:1px solid rgba(230,225,216,.6)}
  .main-nav a::after{content:none}
  .main-nav a.active{color:var(--primary)}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  body.nav-open{overflow:hidden}
  .footer-mid{grid-template-columns:1fr;gap:34px}
  .footer-links{gap:24px}
  .post-cta{grid-template-columns:1fr;padding:36px 30px}
}
@media (max-width:767px){
  .container{width:min(var(--container),100% - 40px)}
  .footer-mid{padding:56px 0 30px}
  .footer-links{grid-template-columns:repeat(2,1fr)}
  .footer-info p{max-width:100%}
  .footer-owner{flex-direction:column;justify-content:flex-start}
  .post-breadcrumb{padding-top:18px}
  .article-header{padding:26px 0 28px}
  .article-header h1{font-size:1.9rem;line-height:1.3}
  .article-meta{font-size:.82rem}
  .post-body{font-size:1rem;line-height:1.86}
  .article-hero-media img{max-height:260px}
  .post-tags{margin-top:44px}
  .post-cta{margin-top:46px;padding:30px 24px}
  .post-more{padding-top:46px}
  .post-more-heading h2{font-size:1.7rem}
  .more-grid{grid-template-columns:1fr;gap:14px}
  .more-card{padding:24px}
}
@media (max-width:520px){
  .footer-links{grid-template-columns:1fr}
  .post-missing-wrap{padding:38px 26px}
}

/* roulang page: category1 */
:root {
    --bg: #F5F3EE;
    --bg-dark: #171714;
    --bg-white: #ffffff;
    --bg-soft: #EDEAE2;
    --primary: #1C4A3A;
    --primary-deep: #123329;
    --accent: #BE6A3C;
    --ink: #1E211F;
    --ink-2: #6A6E66;
    --line: #E6E1D8;
    --line-dark: rgba(255, 255, 255, 0.12);
    --success: #2E7D5B;
    --radius: 4px;
    --shadow-1: 0 1px 2px rgba(20,20,16,0.04), 0 8px 24px -12px rgba(20,20,16,0.12);
    --shadow-2: 0 18px 48px -20px rgba(20,20,16,0.28);
    --font-serif: "Noto Serif CJK SC", "Noto Serif SC", Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    --font-sans: "Noto Sans CJK SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --container: 1200px;
    --space-lg: clamp(84px, 10vw, 140px);
  }

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

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 84px;
  }

  body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  .container {
    width: min(var(--container), 100% - 64px);
    margin: 0 auto;
  }

  :focus-visible {
    outline: 2px dashed var(--primary);
    outline-offset: 2px;
  }

  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

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

  .js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s cubic-bezier(.22, 1, .36, 1), transform .6s cubic-bezier(.22, 1, .36, 1);
  }

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

  .reveal.delay-1 {
    transition-delay: 80ms;
  }
  .reveal.delay-2 {
    transition-delay: 160ms;
  }
  .reveal.delay-3 {
    transition-delay: 240ms;
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: .01ms !important;
      transition-duration: .01ms !important;
      scroll-behavior: auto !important;
    }
    .js .reveal {
      opacity: 1;
      transform: none;
    }
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(245, 243, 238, 0.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(230, 225, 216, 0.7);
    transition: box-shadow .3s, transform .45s cubic-bezier(.22, 1, .36, 1), background .3s;
  }

  .site-header.scrolled {
    box-shadow: 0 8px 30px -24px rgba(18, 20, 14, 0.22);
  }

  .site-header.hidden {
    transform: translateY(-100%);
  }

  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 24px;
  }

  .logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .logo-mark {
    display: inline-flex;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    font-size: .8rem;
    letter-spacing: .04em;
    border-radius: var(--radius);
  }

  .logo-text {
    font-size: 1.35rem;
    font-weight: 700;
    font-family: var(--font-serif);
    color: var(--ink);
    letter-spacing: .02em;
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
  }

  .main-nav a {
    position: relative;
    font-size: .95rem;
    font-weight: 500;
    padding: 6px 2px;
    color: var(--ink);
    transition: color .2s;
    white-space: nowrap;
  }

  .main-nav a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .3s cubic-bezier(.22, 1, .36, 1);
  }

  .main-nav a:hover {
    color: var(--primary);
  }

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

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

  .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 22px;
    background: var(--bg-dark);
    color: #fff;
    font-size: .9rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: background .3s, transform .3s;
    white-space: nowrap;
  }

  .nav-cta:hover {
    background: var(--primary);
    transform: translateY(-1px);
  }

  .nav-cta:active {
    transform: translateY(0);
  }

  .nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: var(--bg-white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: background .2s, border-color .2s;
  }

  .nav-toggle:hover {
    border-color: var(--primary);
  }

  .nav-toggle span {
    width: 18px;
    height: 2px;
    background: var(--ink);
    transition: background .2s;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 52px;
    padding: 0 32px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    transition: color .35s, background .35s, transform .25s, box-shadow .35s, border-color .35s;
    white-space: nowrap;
  }

  .btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--primary);
    transform: translateX(-102%) skewX(-5deg);
    transition: transform .5s cubic-bezier(.22, 1, .36, 1);
    z-index: 0;
  }

  .btn > * {
    position: relative;
    z-index: 1;
  }

  .btn .arrow {
    display: inline-block;
    transition: transform .35s;
  }

  .btn:hover .arrow {
    transform: translateX(6px);
  }

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

  .btn-green::after {
    background: var(--primary-deep);
  }

  .btn-green:hover {
    color: #fff;
    box-shadow: 0 14px 30px -14px rgba(28, 74, 58, .6);
    transform: translateY(-2px);
  }

  .btn-green:hover::after,
  .btn-light::after {
    transform: translateX(0);
  }

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

  .btn-dark:hover {
    background: var(--primary);
  }

  .btn-outline-light {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .65);
  }

  .btn-outline-light:hover {
    border-color: #fff;
    color: #fff;
    background: rgba(255, 255, 255, .08);
    transform: translateY(-2px);
  }

  .btn-line {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .95rem;
    font-weight: 500;
    padding: 8px 0;
    color: var(--primary);
    background: none;
    cursor: pointer;
  }

  .btn-line .arrow {
    display: inline-block;
    transition: transform .3s;
  }

  .btn-line:hover .arrow {
    transform: translateX(6px);
  }

  .badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: rgba(28, 74, 58, .08);
    color: var(--primary);
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 500;
    letter-spacing: .02em;
    white-space: nowrap;
  }

  .tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink-2);
    font-size: .8rem;
  }

  /* page hero */
  .page-hero {
    position: relative;
    background: var(--bg-dark);
    min-height: clamp(640px, 92vh, 860px);
    display: flex;
    align-items: center;
    padding: 160px 0 100px;
    overflow: hidden;
    color: #fff;
  }

  .page-hero-bg,
  .page-hero::after {
    position: absolute;
    inset: 0;
  }

  .page-hero-bg {
    background-image: url("/assets/images/backpic/back-2.png");
    background-position: right 15% center;
    background-size: cover;
    opacity: .55;
  }

  .page-hero::after {
    content: "";
    background: linear-gradient(95deg, rgba(23, 23, 20, .96) 0%, rgba(23, 23, 20, .78) 46%, rgba(23, 23, 20, .28) 100%);
  }

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

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    color: rgba(255, 255, 255, .62);
    font-size: .86rem;
    margin-bottom: 28px;
  }

  .breadcrumb a {
    transition: color .2s;
  }

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

  .breadcrumb-sep {
    width: 4px;
    height: 4px;
    background: var(--accent);
    display: inline-block;
    border-radius: 1px;
  }

  .eyebrow {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .22em;
    color: var(--primary);
    margin-bottom: 16px;
  }

  .eyebrow.light {
    color: rgba(255, 255, 255, .72);
  }

  .hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 6.2vw, 5.4rem);
    line-height: 1.12;
    font-weight: 700;
    margin-bottom: 28px;
    max-width: 940px;
  }

  .hero-title-main {
    display: block;
  }

  .hero-title-subline {
    display: block;
    font-size: clamp(1.1rem, 2.2vw, 1.6rem);
    line-height: 1.3;
    color: var(--accent);
    font-weight: 500;
    margin-top: 8px;
    font-family: var(--font-sans);
    letter-spacing: .02em;
  }

  .hero-lead {
    max-width: 640px;
    font-size: clamp(1rem, 1.3vw, 1.17rem);
    line-height: 1.9;
    color: rgba(255, 255, 255, .84);
    margin-bottom: 38px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-bottom: 48px;
  }

  .hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
    align-items: center;
    color: rgba(255, 255, 255, .62);
    font-size: .85rem;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .12);
    max-width: 720px;
  }

  .hero-proof-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .hero-proof-item i {
    width: 6px;
    height: 6px;
    background: var(--accent);
    display: inline-block;
    border-radius: 1px;
    transform: rotate(45deg);
  }

  /* section heading */
  .sec-head {
    max-width: 820px;
    margin-bottom: 54px;
  }

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

  .sec-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 3.6vw, 3.4rem);
    line-height: 1.3;
    font-weight: 700;
    color: var(--ink);
  }

  .sec-title.light {
    color: #fff;
  }

  .sec-desc {
    margin-top: 18px;
    font-size: 1rem;
    line-height: 1.9;
    color: var(--ink-2);
    max-width: 720px;
  }

  .sec-desc.light {
    color: rgba(255, 255, 255, .66);
  }

  /* insight section */
  .sec-ivory {
    background: var(--bg);
  }

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

  .page-insight {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 72px 56px;
    align-items: start;
  }

  .insight-main {
    grid-column: 1 / 8;
  }

  .insight-aside {
    grid-column: 8 / 13;
  }

  .insight-quote {
    font-family: var(--font-serif);
    font-size: 1.55rem;
    line-height: 1.6;
    color: var(--ink);
    padding-left: 26px;
    border-left: 3px solid var(--accent);
  }

  .insight-quote strong {
    color: var(--primary);
    font-weight: 600;
  }

  .insight-copy {
    margin-top: 28px;
    font-size: 1rem;
    color: var(--ink-2);
    line-height: 1.9;
  }

  /* issue list */
  .issue-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 72px;
  }

  .issue {
    display: flex;
    gap: 20px;
    background: var(--bg-white);
    border: 1px solid var(--line);
    padding: 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-1);
    transition: box-shadow .3s, transform .3s;
  }

  .issue:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-3px);
  }

  .issue-num {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--accent);
    line-height: 1;
    font-weight: 600;
    min-width: 50px;
  }

  .issue h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--ink);
    line-height: 1.5;
  }

  .issue p {
    font-size: .92rem;
    color: var(--ink-2);
    line-height: 1.8;
  }

  /* solution split cards */
  .split-card {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 0;
    align-items: center;
    background: var(--bg-white);
    border: 1px solid var(--line);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-1);
    transition: box-shadow .35s, transform .35s;
  }

  .split-card + .split-card {
    margin-top: 48px;
  }

  .split-card:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-4px);
  }

  .split-media {
    grid-column: 1 / 6;
    min-height: 360px;
    position: relative;
    background: #E4E1DA;
  }

  .split-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
    transition: transform .6s cubic-bezier(.22, 1, .36, 1);
  }

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

  .split-content {
    grid-column: 7 / 12;
    padding: 44px 0;
  }

  .split-card.flip .split-media {
    grid-column: 7 / 13;
    order: 2;
  }

  .split-card.flip .split-content {
    grid-column: 1 / 7;
    order: 1;
  }

  .split-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: .12em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 14px;
  }

  .split-label::before {
    content: "";
    width: 14px;
    height: 2px;
    background: var(--accent);
  }

  .split-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 2.4vw, 2.1rem);
    line-height: 1.35;
    color: var(--ink);
    margin-bottom: 16px;
    font-weight: 700;
  }

  .split-desc {
    color: var(--ink-2);
    font-size: .98rem;
    line-height: 1.9;
    margin-bottom: 24px;
  }

  .split-list {
    list-style: none;
    margin-bottom: 32px;
    display: grid;
    gap: 12px;
  }

  .split-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: .94rem;
    color: var(--ink);
    line-height: 1.7;
  }

  .split-list li .tick {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 3px;
    background: rgba(28, 74, 58, .08);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .72rem;
    margin-top: 2px;
  }

  /* capability dark section */
  .cap-section {
    background: var(--bg-dark);
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .cap-section::before {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    right: -160px;
    top: -160px;
    background: radial-gradient(circle, rgba(255, 255, 255, .07), transparent 65%);
    pointer-events: none;
  }

  .cap-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 60px;
  }

  .cap-unit {
    background: rgba(255, 255, 255, .035);
    border: 1px solid rgba(255, 255, 255, .1);
    padding: 30px 32px;
    border-radius: var(--radius);
    position: relative;
    transition: border-color .3s, background .3s;
  }

  .cap-unit:hover {
    background: rgba(255, 255, 255, .06);
    border-color: var(--accent);
  }

  .cap-sn {
    font-family: var(--font-serif);
    font-size: 1.9rem;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 20px;
    font-weight: 600;
  }

  .cap-unit h3 {
    font-size: 1.15rem;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.5;
  }

  .cap-unit p {
    color: rgba(255, 255, 255, .6);
    font-size: .93rem;
    line-height: 1.8;
  }

  /* process */
  .process-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 64px;
  }

  .step {
    border-top: 3px solid var(--line);
    padding-top: 26px;
  }

  .step:hover {
    border-top-color: var(--primary);
  }

  .step-label {
    font-family: var(--font-serif);
    color: var(--accent);
    font-weight: 600;
    font-size: .92rem;
    letter-spacing: .1em;
    display: block;
    margin-bottom: 10px;
  }

  .step h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--ink);
    line-height: 1.5;
    margin-bottom: 12px;
  }

  .step p {
    font-size: .92rem;
    color: var(--ink-2);
    line-height: 1.85;
  }

  /* news info list */
  .news-list {
    border-top: 1px solid var(--line);
    margin-top: 24px;
  }

  .news-row {
    display: grid;
    grid-template-columns: 108px 1fr 128px;
    gap: 32px;
    padding: 34px 0;
    border-bottom: 1px solid var(--line);
    align-items: start;
    transition: background .25s;
  }

  .news-row:hover .news-title {
    color: var(--primary);
  }

  .news-date {
    color: var(--ink-2);
    font-size: .88rem;
    font-variant-numeric: tabular-nums;
  }

  .news-body .news-tag-row {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
  }

  .news-title {
    font-family: var(--font-serif);
    font-size: clamp(1.15rem, 1.8vw, 1.45rem);
    line-height: 1.5;
    color: var(--ink);
    font-weight: 600;
    transition: color .2s;
  }

  .news-summary {
    margin-top: 8px;
    color: var(--ink-2);
    font-size: .92rem;
    line-height: 1.85;
    max-width: 760px;
  }

  .news-link {
    justify-self: end;
    align-self: center;
  }

  .paginator {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
    font-size: .9rem;
  }

  .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 42px;
    padding: 0 14px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: var(--radius);
    transition: all .25s;
  }

  .page-link:hover {
    border-color: var(--primary);
    color: var(--primary);
  }

  .page-link.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
  }

  .page-link.disabled {
    opacity: .45;
    cursor: not-allowed;
    pointer-events: none;
  }

  /* FAQ */
  .faq-wrap {
    max-width: 880px;
    margin: 0 auto;
  }

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

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

  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    padding: 26px 4px;
    font-size: 1.1rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    background: transparent;
    color: var(--ink);
    width: 100%;
    transition: color .2s;
  }

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

  .faq-q .faq-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform .35s;
  }

  .faq-q .faq-icon i {
    width: 12px;
    height: 12px;
    border-right: 2px solid var(--accent);
    border-top: 2px solid var(--accent);
    display: block;
    transform: rotate(135deg);
    transition: transform .35s;
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .45s cubic-bezier(.22, 1, .36, 1);
  }

  .faq-a-inner {
    padding: 0 60px 26px 4px;
    color: var(--ink-2);
    font-size: .96rem;
    line-height: 1.9;
  }

  .faq-item.open .faq-q {
    color: var(--primary);
    font-weight: 600;
  }

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

  /* CTA */
  .cta-section {
    position: relative;
    background: var(--bg-dark);
    color: #fff;
    overflow: hidden;
    padding: clamp(96px, 12vw, 170px) 0;
  }

  .cta-bg {
    position: absolute;
    inset: 0;
    background-image: url("/assets/images/backpic/back-3.png");
    background-size: cover;
    background-position: center;
    opacity: .32;
  }

  .cta-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(23, 23, 20, .8) 0%, rgba(23, 23, 20, .4) 100%);
  }

  .cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
  }

  .cta-eyebrow {
    color: var(--accent);
    letter-spacing: .24em;
    font-size: .82rem;
    font-weight: 600;
    margin-bottom: 18px;
  }

  .cta-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.8rem);
    line-height: 1.3;
    color: #fff;
    font-weight: 700;
    margin-bottom: 22px;
  }

  .cta-desc {
    color: rgba(255, 255, 255, .72);
    font-size: 1.06rem;
    line-height: 1.9;
    max-width: 680px;
    margin: 0 auto 40px;
  }

  .cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;
  }

  /* footer */
  .site-footer {
    background: var(--bg-dark);
    color: #fff;
    padding: 72px 0 0;
  }

  .footer-mid {
    display: grid;
    grid-template-columns: 4fr 8fr;
    gap: 60px;
    padding-bottom: 52px;
    border-bottom: 1px solid var(--line-dark);
  }

  .site-footer .logo {
    margin-bottom: 20px;
  }

  .site-footer .logo .logo-text {
    color: #fff;
  }

  .footer-info p {
    color: rgba(255, 255, 255, .52);
    font-size: .9rem;
    line-height: 1.9;
    max-width: 300px;
  }

  .footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
  }

  .footer-links .list-title {
    color: #fff;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 24px;
  }

  .footer-links a {
    color: rgba(255, 255, 255, .56);
    font-size: .9rem;
    line-height: 2.2;
    transition: color .2s;
  }

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

  .footer-owner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    padding: 24px 0 32px;
  }

  .footer-owner span {
    color: rgba(255, 255, 255, .42);
    font-size: .82rem;
  }

  .footer-owner .beian {
    cursor: default;
  }

  .footer-owner .beian:hover {
    color: rgba(255, 255, 255, .8);
  }

  /* responsive */
  @media (max-width: 1199px) {
    .hero-title {
      max-width: 880px;
    }

    .split-content {
      padding: 28px;
    }
  }

  @media (max-width: 1024px) {
    .main-nav {
      position: fixed;
      top: 0;
      right: 0;
      width: min(78%, 380px);
      height: 100vh;
      background: #fff;
      z-index: 120;
      flex-direction: column;
      align-items: stretch;
      gap: 0;
      padding: 90px 24px 40px;
      box-shadow: -20px 0 60px rgba(0, 0, 0, .16);
      transform: translateX(102%);
      transition: transform .45s cubic-bezier(.22, 1, .36, 1);
      overflow-y: auto;
      border-left: 1px solid var(--line);
    }

    .main-nav a {
      padding: 16px 8px;
      border-bottom: 1px solid var(--line);
      font-size: 1.2rem;
      display: block;
      color: var(--ink);
    }

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

    .main-nav a.active {
      background: rgba(28, 74, 58, .06);
      color: var(--primary);
    }

    .main-nav a:hover {
      background: rgba(28, 74, 58, .03);
    }

    .nav-cta {
      display: none;
    }

    .nav-toggle {
      display: inline-flex;
      padding: 0;
    }

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

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

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

    .nav-toggle span {
      transition: transform .35s cubic-bezier(.22, 1, .36, 1), opacity .25s;
    }

    body.nav-open::before {
      content: "";
      position: fixed;
      inset: 0;
      background: rgba(23, 23, 20, .55);
      z-index: 110;
      backdrop-filter: blur(2px);
    }

    body.nav-open .main-nav {
      transform: translateX(0);
    }

    .split-card,
    .split-card.flip {
      grid-template-columns: 1fr;
    }

    .split-media,
    .split-card.flip .split-media {
      grid-column: 1 / -1;
      order: 1;
      min-height: 280px;
    }

    .split-content,
    .split-card.flip .split-content {
      grid-column: 1 / -1;
      order: 2;
      padding: 32px 28px;
    }

    .process-row {
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .footer-links {
      grid-template-columns: 1fr;
      gap: 28px;
    }
  }

  @media (max-width: 991px) {
    .page-insight {
      grid-template-columns: 1fr;
      gap: 40px;
    }

    .insight-main,
    .insight-aside {
      grid-column: 1 / -1;
    }

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

    .news-row {
      grid-template-columns: 100px 1fr;
      gap: 18px 24px;
      padding: 28px 0;
    }

    .news-link {
      grid-column: 2 / -1;
      justify-self: start;
    }
  }

  @media (max-width: 767px) {
    .container {
      width: calc(100% - 40px);
    }

    .nav-wrap {
      min-height: 64px;
    }

    .page-hero {
      min-height: auto;
      padding: 130px 0 72px;
    }

    .hero-title {
      font-size: 2.2rem;
    }

    .hero-title-subline {
      font-size: 1.18rem;
    }

    .hero-proof {
      align-items: flex-start;
      flex-direction: column;
      gap: 8px 0;
    }

    .issue-list {
      grid-template-columns: 1fr;
    }

    .issue {
      padding: 22px;
    }

    .brand-link-row {
      display: inline-block;
    }

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

    .footer-links {
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .footer-owner {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  @media (max-width: 520px) {
    .logo-text {
      font-size: 1.12rem;
    }

    .logo-mark {
      width: 34px;
      height: 34px;
    }

    .sec-title {
      font-size: 1.7rem;
    }

    .hero-title {
      font-size: 1.95rem;
      line-height: 1.2;
    }

    .hero-title-subline {
      font-size: 1.05rem;
    }

    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .btn {
      width: 100%;
    }

    .split-content {
      padding: 24px 18px;
    }

    .process-row {
      grid-template-columns: 1fr;
    }

    .news-row {
      grid-template-columns: 1fr;
      gap: 12px;
    }

    .news-link {
      grid-column: 1;
    }

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

/* roulang page: category2 */
:root{
  --bg:#F5F3EE;
  --bg-dark:#171714;
  --white:#FFFFFF;
  --primary:#1C4A3A;
  --primary-deep:#103628;
  --accent:#BE6A3C;
  --ink:#1E211F;
  --muted:#6A6E66;
  --line:#E6E1D8;
  --line-dark:rgba(255,255,255,.14);
  --radius:4px;
  --shadow-sm:0 1px 2px rgba(20,20,16,.04),0 8px 24px -12px rgba(20,20,16,.12);
  --shadow-hover:0 18px 48px -20px rgba(20,20,16,.28);
  --font-serif:Georgia,"Times New Roman","Songti SC","Noto Serif CJK SC",SimSun,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
p,margin,blockquote{margin:0}
h1,h2,h3,h4{font-family:var(--font-serif);margin:0;font-weight:600;line-height:1.32}
.container{max-width:var(--container);margin:0 auto;padding-left:32px;padding-right:32px;width:100%}
.site-header{position:sticky;top:0;z-index:90;background:rgba(245,243,238,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,225,216,.85)}
.nav-wrap{display:flex;align-items:center;height:72px;gap:28px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--primary);color:#fff;font-size:.78rem;font-weight:700;letter-spacing:.08em;border-radius:3px}
.logo-text{font-family:var(--font-serif);font-size:1.35rem;font-weight:700;letter-spacing:.02em;color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:34px;margin-left:auto}
.main-nav a{position:relative;font-size:.95rem;font-weight:500;color:var(--ink);padding:8px 2px;transition:color .3s var(--ease)}
.main-nav a::after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--primary)}
.main-nav a.active::after{content:"";transform:scaleX(1);background:var(--primary)}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;min-width:124px;height:40px;padding:0 22px;background:var(--primary);color:#fff;font-size:.92rem;font-weight:500;border-radius:var(--radius);transition:background .3s var(--ease),box-shadow .3s var(--ease);box-shadow:0 6px 18px -8px rgba(28,74,58,.5)}
.nav-cta:hover{background:var(--primary-deep);box-shadow:0 12px 22px -10px rgba(28,74,58,.55)}
.nav-cta:focus-visible{outline:2px dashed var(--primary);outline-offset:3px}
.nav-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;width:40px;height:40px;padding:10px;gap:5px;border-radius:var(--radius);transition:background .3s}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--ink);transition:transform .3s var(--ease),opacity .3s}
.nav-toggle:hover{background:rgba(28,74,58,.08)}
.site-header.menu-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.menu-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.menu-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.page-hero{position:relative;background:linear-gradient(100deg,rgba(16,20,19,.94) 15%,rgba(23,23,20,.72) 55%,rgba(15,20,18,.4) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;padding:clamp(88px,10vh,136px) 0 72px;color:#fff}
.breadcrumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:30px;font-size:.88rem;color:rgba(255,255,255,.68)}
.breadcrumb-nav a{transition:color .3s}
.breadcrumb-nav a:hover{color:#fff}
.crumb-sep{margin-left:8px;color:rgba(255,255,255,.35)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 14px;font-size:.94rem;letter-spacing:.16em;color:#d8c9b5}
.hero-eyebrow::before{content:"";width:34px;height:2px;background:var(--accent)}
.hero-title{font-size:clamp(2.7rem,5vw,4.8rem);line-height:1.1;font-weight:700;letter-spacing:.01em}
.hero-title .light{display:inline-block;color:#e4bd9b}
.hero-lead{max-width:820px;font-size:1.08rem;line-height:2;color:rgba(255,255,255,.8);margin:28px 0 0}
.small-note{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:28px;font-size:.92rem;color:rgba(255,255,255,.66)}
.small-note span{border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:3px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 30px;border-radius:var(--radius);font-weight:500;font-size:1rem;transition:all .35s var(--ease)}
.btn svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(5px)}
.btn:focus-visible{outline:2px dashed var(--accent);outline-offset:3px}
.btn-light{background:#fff;color:var(--ink);box-shadow:0 10px 28px -15px rgba(0,0,0,.4)}
.btn-light:hover{background:#f1ece2;transform:translateY(-2px)}
.btn-green{background:var(--primary);color:#fff}
.btn-green:hover{background:#0f3628;transform:translateY(-2px)}
.btn-ghost-light{border:1px solid rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.section{padding:clamp(84px,10vh,140px) 0}
.section-white{background:var(--white)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.88rem;font-weight:600;letter-spacing:.2em;color:var(--primary);margin-bottom:18px;text-transform:uppercase}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--accent)}
.eyebrow-dark{color:rgba(255,255,255,.84)}
.section-title{font-size:clamp(2rem,3.4vw,3.4rem);line-height:1.28}
.section-lead{max-width:870px;color:var(--muted);font-size:1rem;line-height:1.95;margin-top:18px}
.feature-panel{position:relative;background:linear-gradient(180deg,rgba(23,23,20,.88),rgba(23,23,20,.68)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;padding:clamp(96px,12vh,160px) 0;color:#fff}
.feature-copy{max-width:900px;margin:0 auto;text-align:center}
.feature-copy .big-quote{font-family:var(--font-serif);font-size:clamp(2rem,4.4vw,3.8rem);line-height:1.36;font-weight:600;margin:18px 0 0}
.feature-copy p{margin-top:24px;color:rgba(255,255,255,.75);font-size:1.06rem;line-height:2}
.text-link{display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:500;margin-top:30px;border-bottom:1px solid rgba(255,255,255,.38);padding-bottom:8px;transition:color .3s,border-color .3s}
.text-link svg{width:16px;height:16px;transition:transform .3s}
.text-link:hover{color:#e4bd9b;border-color:#e4bd9b}
.text-link:hover svg{transform:translateX(5px)}
.alt-block{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(40px,6vw,100px);align-items:center}
.alt-invert .alt-media{order:2}
.alt-content .alt-index{color:var(--accent);font-family:var(--font-serif);font-size:1rem;letter-spacing:.08em;margin-bottom:18px}
.alt-content h2{font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.3}
.alt-content p{color:var(--muted);line-height:2;margin-top:20px}
.feature-list{margin-top:26px;display:grid;gap:14px}
.feature-list li{position:relative;padding-left:30px;color:#34372f}
.feature-list li::before{content:"→";position:absolute;left:0;top:0;color:var(--primary);font-weight:700}
.alt-media{position:relative;min-height:360px;background:#e0dbd0;border-radius:3px;overflow:hidden;box-shadow:var(--shadow-sm)}
.alt-media img,.alt-media .media{width:100%;height:100%;min-height:360px;object-fit:cover}
.media-caption{position:absolute;left:16px;bottom:16px;background:rgba(23,23,20,.78);color:#fff;font-size:.8rem;padding:8px 14px;border-radius:2px;backdrop-filter:blur(8px)}
.block-spacing{padding:clamp(40px,6vw,90px) 0}
.guide-directory{background:var(--bg);border-top:1px solid var(--line)}
.dir-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(44px,6vw,90px);align-items:start}
.def-list{gap:0;margin-top:24px}
.def-list li{border-bottom:1px solid var(--line);padding:18px 2px;display:grid;grid-template-columns:190px 1fr;gap:16px}
.def-list li strong{font-family:var(--font-serif);font-size:1.1rem;color:var(--primary)}
.def-list li span{color:var(--muted);line-height:1.85;font-size:.95rem}
.target-card{background:#fff;border:1px solid var(--line);padding:34px 32px;border-radius:4px;box-shadow:var(--shadow-sm)}
.target-card h3{font-size:1.4rem;padding-bottom:16px;border-bottom:1px solid var(--line)}
.target-list{display:grid;gap:0;margin-top:10px}
.target-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed #ede8de;color:#41453f;line-height:1.7}
.target-list li:last-child{border-bottom:0}
.target-list li i{display:flex;flex:0 0 28px;height:28px;align-items:center;justify-content:center;background:var(--primary);color:#fff;font-size:.82rem;font-style:normal;border-radius:2px}
.path-section{background:var(--white)}
.path-head{max-width:760px;margin-bottom:64px}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-card{position:relative;background:var(--bg);border:1px solid var(--line);padding:34px 26px 36px;border-radius:4px;transition:box-shadow .35s var(--ease),transform .35s var(--ease)}
.step-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px)}
.step-card::before{counter-increment:step;content:"0" counter(step);display:block;font-family:var(--font-serif);font-size:2.4rem;font-weight:700;color:var(--accent);line-height:1;margin-bottom:20px}
.step-card h3{font-size:1.24rem;line-height:1.5}
.step-card p{color:var(--muted);font-size:.96rem;line-height:1.85;margin-top:14px}
.faq-section{background:var(--bg);border-top:1px solid var(--line)}
.faq-wrap{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(40px,6vw,90px);align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;width:100%;align-items:center;justify-content:space-between;text-align:left;padding:26px 0;gap:24px;color:var(--ink);font-size:1.08rem;font-weight:500;font-family:var(--font-serif);line-height:1.55;transition:color .3s}
.faq-q:hover{color:var(--primary)}
.faq-q:focus-visible{outline:2px dashed var(--primary);outline-offset:5px}
.faq-q .faq-icon{position:relative;flex:0 0 22px;height:22px}
.faq-q .faq-icon::before,.faq-q .faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--accent);border-radius:1px;transition:transform .35s var(--ease)}
.faq-q .faq-icon::before{width:18px;height:2px;transform:translate(-50%,-50%)}
.faq-q .faq-icon::after{width:2px;height:18px;transform:translate(-50%,-50%)}
.faq-item.open .faq-q .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{overflow:hidden;max-height:0;transition:max-height .45s var(--ease);color:var(--muted)}
.faq-a-inner{padding:0 36px 26px 0;line-height:1.95;font-size:.98rem}
.faq-item.open .faq-a{max-height:120px}
.cta-section{position:relative;background:linear-gradient(105deg,rgba(16,26,22,.96),rgba(23,23,20,.78)),url('/assets/images/backpic/back-1.png') center/cover;color:#fff;padding:clamp(96px,12vh,160px) 0;overflow:hidden}
.cta-section .cta-inner{max-width:800px}
.cta-title{font-size:clamp(2.2rem,4.5vw,4rem);line-height:1.25}
.cta-section p{color:rgba(255,255,255,.74);font-size:1.08rem;line-height:2;margin-top:22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px}
.site-footer{background:var(--bg-dark);color:#fff;padding-top:64px}
.footer-mid{display:grid;grid-template-columns:2.2fr 3.2fr;gap:60px;padding-bottom:44px}
.footer-info .logo{color:#fff}
.footer-info .logo-text{color:#fff}
.footer-info p{margin-top:22px;max-width:400px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-links .list-title{font-family:var(--font-serif);font-size:1.06rem;margin-bottom:20px;position:relative;padding-bottom:12px}
.footer-links .list-title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent)}
.footer-links a{display:block;margin-bottom:10px;font-size:.95rem;color:rgba(255,255,255,.62);transition:color .3s,padding-left .3s}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-owner{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:.9rem;color:rgba(255,255,255,.5)}
.beian{opacity:.8;letter-spacing:.04em}
@media(max-width:1024px){
  .main-nav{position:fixed;top:0;right:0;width:min(420px,86vw);height:100dvh;background:#fbfaf7;box-shadow:-20px 0 50px rgba(16,16,12,.1);padding:96px 48px 40px;flex-direction:column;align-items:flex-start;gap:8px;transform:translateX(110%);transition:transform .45s var(--ease);z-index:88;overflow:auto}
  .site-header.menu-open .main-nav{transform:translateX(0)}
  .main-nav a{display:block;width:100%;padding:14px 0;font-size:1.3rem;line-height:56px;border-bottom:1px solid #edeae2;font-family:var(--font-serif)}
  .main-nav a::after{display:none}
  .site-header.menu-open{background:transparent}
  .site-header.menu-open .nav-wrap{background:transparent}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .alt-block{grid-template-columns:1fr;gap:36px}
  .alt-invert .alt-media{order:0}
  .dir-grid{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .def-list li{grid-template-columns:150px 1fr}
  .footer-mid{grid-template-columns:1fr 1.3fr}
}
@media(max-width:768px){
  .container{padding-left:24px;padding-right:24px}
  .page-hero{padding-top:96px}
  .footer-mid{grid-template-columns:1fr;gap:40px}
  .footer-links{grid-template-columns:repeat(2,1fr);gap:22px}
  .step-grid{grid-template-columns:1fr}
  .def-list li{grid-template-columns:1fr;gap:4px}
  .def-list li strong{font-size:1.2rem}
}
@media(max-width:520px){
  body{font-size:15px}
  .container{padding-left:20px;padding-right:20px}
  .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .page-hero{padding-top:40px}
  .alt-media,.alt-media img{min-height:260px}
  .footer-links{grid-template-columns:1fr}
  .footer-owner{flex-direction:column;text-align:center}
  .small-note{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}