/* roulang page: index */
:root {
  --color-primary: #A67C2E;
  --color-primary-dark: #8A6522;
  --color-ink: #2B2926;
  --color-bg: #FAF8F4;
  --color-bg-soft: #F2EFE9;
  --color-border: #E4DED2;
  --color-success: #2E7D5B;
  --color-warning: #B3562E;
  --color-error: #C43E3E;
  --shadow-sm: 0 2px 12px rgba(43, 41, 38, 0.06);
  --shadow-md: 0 12px 28px rgba(43, 41, 38, 0.12);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-full: 999px;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  --container: 1280px;
  --space-section: 120px;
  --header-h: 64px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);color:var(--color-ink);background:var(--color-bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .3s ease}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{list-style:none}
input{font:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:var(--space-section) 0}
.section-label{display:inline-block;font-size:.875rem;font-weight:700;letter-spacing:.12em;color:var(--color-primary);text-transform:uppercase;margin-bottom:12px}
.section-title{font-family:var(--font-serif);font-size:clamp(1.8rem,3.2vw,2.6rem);line-height:1.2;font-weight:900;color:var(--color-ink);margin-bottom:16px}
.section-desc{font-size:1rem;color:rgba(43,41,38,.72);max-width:560px;line-height:1.7}
.divider{height:1px;background:var(--color-border);border:none}
/* ========== 顶部导航 ========== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:rgba(250,248,244,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.site-header.scrolled{box-shadow:var(--shadow-sm);border-bottom-color:var(--color-primary)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-serif);font-weight:900;font-size:1.35rem;color:var(--color-ink);white-space:nowrap}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--color-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:36px}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--color-ink);position:relative;padding:6px 2px}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--color-primary);transition:width .3s ease}
.nav-links a:hover{color:var(--color-primary)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--color-primary);font-weight:700}
.nav-links a.active::after{width:100%}
.nav-login{padding:9px 24px !important;border:1.5px solid var(--color-primary);border-radius:var(--radius-full);color:var(--color-primary) !important;font-weight:700 !important;transition:all .3s}
.nav-login::after{display:none !important}
.nav-login:hover{background:var(--color-primary);color:#fff !important;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
/* ========== Hero ========== */
.hero{position:relative;min-height:90vh;display:flex;align-items:center;background:linear-gradient(rgba(20,18,15,.68),rgba(20,18,15,.72)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;padding:calc(var(--header-h) + 48px) 0 72px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(166,124,46,.18);border:1px solid rgba(166,124,46,.45);color:#E9D8B0;font-size:.8rem;font-weight:700;letter-spacing:.08em;padding:6px 16px;border-radius:var(--radius-full);margin-bottom:22px}
.hero h1{font-family:var(--font-serif);font-size:clamp(2.6rem,5.5vw,4.2rem);line-height:1.1;font-weight:900;margin-bottom:18px;letter-spacing:.02em}
.hero-sub{font-size:1.12rem;line-height:1.7;color:rgba(250,248,244,.88);max-width:520px;margin-bottom:36px}
.hero-ctas{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 30px;border-radius:var(--radius-sm);font-size:1rem;font-weight:700;transition:all .3s ease;outline-offset:3px}
.btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px}
.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 4px 16px rgba(166,124,46,.35)}
.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.hero-visual{position:relative;border-radius:var(--radius-md);overflow:hidden;box-shadow:0 24px 64px rgba(0,0,0,.3);border:1px solid rgba(166,124,46,.4)}
.hero-visual img{width:100%;height:auto;object-fit:cover}
.hero-visual-tag{position:absolute;top:16px;left:16px;background:rgba(20,18,15,.6);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:.75rem;padding:4px 12px;border-radius:var(--radius-full);backdrop-filter:blur(6px)}
/* ========== 卖点区 ========== */
.features{background:var(--color-bg)}
.features-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;margin-top:48px}
.features-left .section-title{margin-bottom:20px}
.features-list{margin-top:32px}
.feature-item{display:flex;gap:24px;padding:28px 0;border-bottom:1px solid var(--color-border)}
.feature-item:first-child{padding-top:8px}
.feature-num{font-family:var(--font-serif);font-size:2rem;font-weight:900;color:var(--color-primary);line-height:1;min-width:56px}
.feature-info h3{font-size:1.15rem;font-weight:700;margin-bottom:8px}
.feature-info p{font-size:.95rem;color:rgba(43,41,38,.7);line-height:1.65;max-width:420px}
.features-visual{position:sticky;top:96px;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-md)}
.features-visual img{width:100%;height:420px;object-fit:cover}
.features-card{position:absolute;left:20px;bottom:20px;right:20px;background:rgba(250,248,244,.94);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:14px}
.features-card i{color:var(--color-primary);font-size:1.4rem;flex-shrink:0}
.features-card span{font-size:.875rem;color:var(--color-ink);font-weight:500;line-height:1.4}
/* ========== 演示区 ========== */
.demo{background:var(--color-bg-soft);position:relative}
.demo::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--color-primary),transparent)}
.demo-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:64px;align-items:center;margin-top:48px}
.demo-shot{border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--color-border);background:#fff}
.demo-shot img{width:100%;height:auto;display:block}
.demo-features{margin-top:28px}
.demo-feature{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--color-border)}
.demo-feature:last-child{border-bottom:none}
.demo-feature i{width:36px;height:36px;border-radius:50%;background:rgba(166,124,46,.12);color:var(--color-primary);display:flex;align-items:center;justify-content:center;font-size:.9rem;flex-shrink:0}
.demo-feature span{font-size:.95rem;color:var(--color-ink);line-height:1.5}
.demo-note{margin-top:24px;padding:16px 20px;background:#fff;border-left:3px solid var(--color-primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:.9rem;color:rgba(43,41,38,.75)}
/* ========== 证据区 ========== */
.evidence{background:var(--color-bg)}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-bottom:64px}
.stat-item{text-align:center;padding:36px 24px;background:var(--color-bg-soft);border-radius:var(--radius-md);position:relative;overflow:hidden}
.stat-item::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--color-primary)}
.stat-num{font-family:var(--font-serif);font-size:clamp(2.2rem,4vw,3.2rem);font-weight:900;color:var(--color-primary);line-height:1.1;margin-bottom:8px}
.stat-label{font-size:.9rem;color:rgba(43,41,38,.65)}
.testimonials{display:grid;grid-template-columns:1.1fr .9fr;gap:32px}
.quote-card{background:var(--color-bg-soft);border-radius:var(--radius-md);padding:36px;position:relative}
.quote-card i{font-size:1.6rem;color:var(--color-primary);opacity:.4;margin-bottom:14px;display:block}
.quote-card p{font-size:.98rem;line-height:1.7;color:var(--color-ink);margin-bottom:20px}
.quote-author{font-size:.875rem;font-weight:700;color:var(--color-primary)}
.quote-meta{font-size:.8rem;color:rgba(43,41,38,.55);margin-top:2px}
/* ========== 最新资讯 ========== */
.latest{background:var(--color-bg-soft)}
.latest-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;margin-top:48px}
.latest-side h3{font-family:var(--font-serif);font-size:1.3rem;font-weight:700;margin-bottom:8px}
.latest-side p{font-size:.9rem;color:rgba(43,41,38,.65);margin-bottom:20px}
.latest-cats{display:flex;flex-direction:column;gap:8px}
.latest-cats a{display:inline-flex;align-items:center;gap:8px;font-size:.92rem;font-weight:500;color:var(--color-ink);padding:8px 0;border-bottom:1px dashed var(--color-border);transition:all .3s}
.latest-cats a i{font-size:.72rem;color:var(--color-primary);transition:transform .3s}
.latest-cats a:hover{color:var(--color-primary);padding-left:6px}
.latest-cats a:hover i{transform:translateX(4px)}
.news-list{display:flex;flex-direction:column}
.news-list-item{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--color-border);transition:background .3s}
.news-list-item:first-child{padding-top:0}
.news-list-item:last-child{border-bottom:none}
.news-list-item:hover .news-thumb img{transform:scale(1.04)}
.news-thumb{width:140px;height:90px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--color-bg)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-content{flex:1;min-width:0}
.news-content h3{font-size:1rem;font-weight:700;line-height:1.45;margin-bottom:6px;color:var(--color-ink);transition:color .3s}
.news-list-item:hover .news-content h3{color:var(--color-primary)}
.news-content p{font-size:.875rem;color:rgba(43,41,38,.62);line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px}
.news-tag{display:inline-block;background:transparent;border:1px solid var(--color-primary);color:var(--color-primary);font-size:.72rem;font-weight:700;padding:2px 12px;border-radius:var(--radius-full);letter-spacing:.04em}
.news-time{font-size:.78rem;color:rgba(43,41,38,.5)}
.news-empty{background:var(--color-bg-soft);border-radius:var(--radius-md);padding:64px 0;text-align:center;color:rgba(43,41,38,.55)}
.news-empty i{font-size:2.2rem;color:var(--color-primary);opacity:.5;display:block;margin-bottom:12px}
/* ========== 价格区 ========== */
.pricing{background:var(--color-bg)}
.pricing-grid{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:32px;align-items:center;margin-top:56px}
.price-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:36px 32px;box-shadow:var(--shadow-sm);transition:all .3s}
.price-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.price-card.featured{background:var(--color-bg);border:2px solid var(--color-primary);padding:44px 36px;position:relative;z-index:2}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--color-primary);color:#fff;font-size:.75rem;font-weight:700;padding:4px 18px;border-radius:var(--radius-full);white-space:nowrap;box-shadow:var(--shadow-sm)}
.price-name{font-family:var(--font-serif);font-size:1.3rem;font-weight:900;color:var(--color-ink);margin-bottom:6px}
.price-desc{font-size:.85rem;color:rgba(43,41,38,.6);margin-bottom:20px}
.price-amount{font-family:var(--font-serif);font-size:2.4rem;font-weight:900;color:var(--color-primary);line-height:1;margin-bottom:24px}
.price-amount small{font-size:.9rem;font-weight:500;color:rgba(43,41,38,.55);margin-left:4px}
.price-points{display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.price-points li{display:flex;align-items:center;gap:10px;font-size:.9rem;color:rgba(43,41,38,.8)}
.price-points li i{color:var(--color-primary);font-size:.8rem;flex-shrink:0}
.price-btn{display:flex;align-items:center;justify-content:center;height:44px;border-radius:var(--radius-sm);font-weight:700;font-size:.95rem;transition:all .3s;border:1.5px solid var(--color-primary);color:var(--color-primary)}
.price-btn:hover{background:var(--color-primary);color:#fff;transform:translateY(-2px)}
.price-btn.outline{background:transparent;color:var(--color-ink);border-color:var(--color-border)}
.price-btn.outline:hover{background:var(--color-bg-soft);color:var(--color-ink);border-color:var(--color-primary)}
/* ========== FAQ ========== */
.faq{background:var(--color-bg-soft)}
.faq-wrap{max-width:840px;margin:48px auto 0}
.faq-item{border-bottom:1px solid var(--color-border)}
.faq-item:first-child{border-top:1px solid var(--color-border)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:62px;text-align:left;padding:14px 0;font-size:1.05rem;font-weight:700;color:var(--color-ink);transition:color .3s}
.faq-q:hover{color:var(--color-primary)}
.faq-q:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:4px}
.faq-icon{width:32px;height:32px;border:1.5px solid var(--color-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--color-primary);font-size:1.1rem;font-weight:400;flex-shrink:0;transition:transform .35s ease}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding-bottom:24px;font-size:.95rem;color:rgba(43,41,38,.72);line-height:1.75;max-width:700px}
/* ========== 终版CTA ========== */
.final-cta{position:relative;min-height:60vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(rgba(20,18,15,.78),rgba(20,18,15,.8)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;text-align:center;padding:80px 0}
.final-cta::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--color-primary)}
.final-cta h2{font-family:var(--font-serif);font-size:clamp(1.6rem,3.4vw,2.6rem);font-weight:900;margin-bottom:16px;line-height:1.3}
.final-cta p{font-size:1rem;color:rgba(250,248,244,.78);margin-bottom:36px}
/* ========== 页脚 ========== */
.site-footer{background:var(--color-ink);color:rgba(250,248,244,.82);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.2fr .9fr 1fr;gap:56px;margin-bottom:48px}
.footer-brand p{font-family:var(--font-serif);font-size:1.2rem;font-weight:900;color:#fff;margin-bottom:12px}
.footer-brand .footer-desc{font-size:.875rem;color:rgba(250,248,244,.6);line-height:1.7;max-width:300px}
.footer-col h4{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.05em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:.9rem;color:rgba(250,248,244,.68);transition:color .3s}
.footer-col a:hover{color:var(--color-primary)}
.footer-contact{font-size:.9rem;color:rgba(250,248,244,.6);line-height:1.8}
.footer-contact i{width:20px;color:var(--color-primary);margin-right:6px}
.footer-bottom{border-top:1px solid rgba(250,248,244,.12);padding-top:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.8rem;color:rgba(250,248,244,.45)}
/* ========== 浮动CTA ========== */
.floating-cta{position:fixed;right:28px;bottom:28px;z-index:900;display:inline-flex;align-items:center;gap:8px;background:var(--color-primary);color:#fff;font-weight:700;font-size:.95rem;padding:14px 28px;border-radius:var(--radius-full);box-shadow:var(--shadow-md);transition:all .3s;border:1px solid rgba(255,255,255,.2)}
.floating-cta:hover{background:var(--color-primary-dark);transform:translateY(-3px);box-shadow:0 20px 36px rgba(166,124,46,.3)}
.floating-cta i{font-size:.9rem}
/* ========== 移动端底部Tab ========== */
.mobile-tabs{display:none;position:fixed;bottom:0;left:0;right:0;z-index:1000;height:56px;background:rgba(250,248,244,.97);backdrop-filter:blur(12px);border-top:1px solid var(--color-border);padding-bottom:env(safe-area-inset-bottom)}
.mobile-tabs-inner{display:flex;align-items:center;justify-content:space-around;height:100%}
.mobile-tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;flex:1;height:100%;font-size:.68rem;font-weight:500;color:var(--color-ink);transition:color .3s}
.mobile-tab i{font-size:1.15rem;transition:transform .3s}
.mobile-tab:hover i{transform:scale(1.08)}
.mobile-tab.active{color:var(--color-primary);font-weight:700}
.mobile-tab.active i{color:var(--color-primary)}
/* ========== 登录模态框 ========== */
.modal-mask{position:fixed;inset:0;z-index:1200;background:rgba(20,18,15,.55);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.active{display:flex}
.modal{background:var(--color-bg);border-radius:var(--radius-md);max-width:420px;width:100%;padding:40px 36px;box-shadow:var(--shadow-md);animation:modalIn .3s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.modal-close{position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:rgba(43,41,38,.6);font-size:1rem;transition:all .3s;cursor:pointer}
.modal-close:hover{background:var(--color-bg-soft);color:var(--color-ink)}
.modal h3{font-family:var(--font-serif);font-size:1.4rem;font-weight:900;margin-bottom:6px;text-align:center}
.modal p{font-size:.875rem;color:rgba(43,41,38,.6);text-align:center;margin-bottom:28px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--color-ink)}
.form-input{width:100%;height:48px;background:var(--color-bg-soft);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:0 16px;font-size:.95rem;color:var(--color-ink);transition:border-color .3s,box-shadow .3s,background .3s}
.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(166,124,46,.15);background:#fff}
.form-input::placeholder{color:rgba(43,41,38,.4)}
.form-submit{width:100%;height:48px;background:var(--color-primary);color:#fff;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;margin-top:8px;transition:all .3s}
.form-submit:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.form-submit:active{transform:translateY(0)}
.form-tip{font-size:.78rem;color:rgba(43,41,38,.5);text-align:center;margin-top:14px;line-height:1.5}
/* ========== 响应式 ========== */
@media(min-width:1441px){
  .container{padding:0 24px}
}
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{min-height:auto}
  .hero-visual{max-width:520px}
  .features-grid{grid-template-columns:1fr;gap:40px}
  .features-visual{position:static}
  .demo-grid{grid-template-columns:1fr;gap:40px}
  .stats-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .testimonials{grid-template-columns:1fr 1fr;gap:20px}
  .latest-grid{grid-template-columns:1fr;gap:40px}
  .pricing-grid{grid-template-columns:1fr 1fr;gap:24px}
  .price-card.featured{order:-1;grid-column:1/-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:768px){
  :root{--space-section:64px}
  .container{padding:0 20px}
  .site-header{height:56px}
  .header-inner{padding:0 16px}
  .nav-links{display:none}
  .brand{font-size:1.15rem}
  .brand-mark{width:32px;height:32px;font-size:.95rem;border-radius:8px}
  .hero{padding:calc(56px + 32px) 0 48px}
  .hero h1{font-size:clamp(2rem,6vw,2.6rem)}
  .hero-sub{font-size:1rem}
  .hero-ctas .btn{flex:1;min-width:140px;height:48px}
  .features-list{margin-top:24px}
  .feature-item{gap:16px;padding:22px 0}
  .feature-num{font-size:1.6rem;min-width:44px}
  .stats-grid{grid-template-columns:1fr;gap:16px}
  .stat-item{padding:24px 16px}
  .testimonials{grid-template-columns:1fr}
  .quote-card{padding:28px 20px}
  .news-list-item{flex-direction:row;gap:14px;padding:18px 0}
  .news-thumb{width:96px;height:72px}
  .news-content h3{font-size:.92rem}
  .news-content p{font-size:.8rem;-webkit-line-clamp:2}
  .pricing-grid{grid-template-columns:1fr}
  .price-card.featured{grid-column:auto;order:0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
  .floating-cta{right:16px;bottom:76px;padding:12px 22px;font-size:.85rem}
  .mobile-tabs{display:block}
  .site-footer{padding-bottom:96px}
  .demo-feature span{font-size:.85rem}
  .section-title{font-size:1.6rem}
  .final-cta{padding:64px 20px}
  .faq-q{font-size:.95rem;min-height:56px}
  .modal{padding:32px 24px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .hero-ctas{flex-direction:column;align-items:stretch}
  .news-list-item{flex-direction:column}
  .news-thumb{width:100%;height:140px}
  .features-card{flex-direction:column;align-items:flex-start}
  .price-card{padding:28px 20px}
  .price-card.featured{padding:36px 24px}
}

/* roulang page: category1 */
:root {
      --color-primary: #A67C2E;
      --color-primary-dark: #8A6522;
      --color-ink: #2B2926;
      --color-bg: #FAF8F4;
      --color-bg-soft: #F2EFE9;
      --color-border: #E4DED2;
      --color-success: #2E7D5B;
      --color-warning: #B3562E;
      --color-error: #C43E3E;
      --shadow-sm: 0 2px 12px rgba(43, 41, 38, 0.06);
      --shadow-md: 0 12px 28px rgba(43, 41, 38, 0.12);
      --radius-sm: 12px;
      --radius-md: 16px;
      --radius-full: 999px;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
      --font-sans: "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
      --container: 1280px;
      --space-section: 120px;
      --header-h: 64px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      font-size: 1rem;
      line-height: 1.7;
      background: var(--color-bg);
      color: var(--color-ink);
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      display: block;
      background: var(--color-bg-soft);
    }

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

    ul,
    ol {
      list-style: none;
    }

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

    a:focus-visible,
    button:focus-visible {
      outline: 3px solid rgba(166, 124, 46, 0.4);
      outline-offset: 2px;
      border-radius: 8px;
    }

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

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

    .section-alt {
      background: var(--color-bg-soft);
    }

    .section-head {
      max-width: 720px;
      margin-bottom: 48px;
    }

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

    .section-head h2 {
      font-size: clamp(1.8rem, 3vw, 2.4rem);
      margin: 14px 0 10px;
    }

    .section-head p {
      color: rgba(43, 41, 38, 0.75);
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      font-size: 0.8rem;
      letter-spacing: 0.12em;
      color: var(--color-primary);
      border: 1px solid rgba(166, 124, 46, 0.35);
      border-radius: var(--radius-full);
      padding: 4px 14px;
      margin-bottom: 14px;
    }

    h1,
    h2,
    h3 {
      font-family: var(--font-serif);
      line-height: 1.2;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: var(--header-h);
      background: rgba(250, 248, 244, 0.88);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid transparent;
      transition: box-shadow 0.3s, border-color 0.3s;
    }

    .site-header.scrolled {
      box-shadow: var(--shadow-sm);
      border-bottom-color: var(--color-primary);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: var(--header-h);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-serif);
      font-weight: 700;
      font-size: 1.15rem;
      color: var(--color-ink);
      white-space: nowrap;
    }

    .brand-mark {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border: 1.5px solid var(--color-primary);
      border-radius: 10px;
      color: var(--color-primary);
      background: rgba(166, 124, 46, 0.06);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .nav-links a {
      position: relative;
      font-size: 0.95rem;
      padding: 6px 0;
      transition: color 0.25s;
    }

    .nav-links a:not(.nav-login)::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--color-primary);
      transition: width 0.3s;
    }

    .nav-links a:not(.nav-login):hover::after,
    .nav-links a.active:not(.nav-login)::after {
      width: 100%;
    }

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

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

    .nav-login {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-primary);
      color: var(--color-bg) !important;
      padding: 8px 20px !important;
      border-radius: var(--radius-full);
      transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
    }

    .nav-login:hover {
      transform: translateY(-2px);
      background: var(--color-primary-dark);
      box-shadow: var(--shadow-sm);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 44px;
      padding: 0 28px;
      border-radius: var(--radius-sm);
      font-size: 1rem;
      font-weight: 600;
      transition: transform 0.25s, box-shadow 0.25s, background 0.25s, border-color 0.25s;
    }

    .btn-primary {
      background: var(--color-primary);
      color: var(--color-bg);
    }

    .btn-primary:hover {
      background: var(--color-primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }

    .btn-outline {
      border: 1.5px solid var(--color-primary);
      color: var(--color-primary);
    }

    .btn-outline:hover {
      background: rgba(166, 124, 46, 0.1);
      transform: translateY(-2px);
    }

    .btn-outline-light {
      border-color: rgba(250, 248, 244, 0.85);
      color: var(--color-bg);
    }

    .btn-outline-light:hover {
      background: rgba(250, 248, 244, 0.12);
      transform: translateY(-2px);
    }

    .btn-lg {
      height: 52px;
      padding: 0 36px;
      font-size: 1.05rem;
    }

    .page-hero {
      position: relative;
      min-height: 480px;
      display: flex;
      align-items: center;
      background: linear-gradient(115deg, rgba(43, 41, 38, 0.92), rgba(43, 41, 38, 0.75)), url("/assets/images/backpic/back-1.png") center / cover no-repeat;
      color: var(--color-bg);
      padding: 80px 0;
    }

    .page-hero .container {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 56px;
      align-items: center;
    }

    .hero-crumb {
      font-size: 0.9rem;
      color: rgba(250, 248, 244, 0.7);
      margin-bottom: 18px;
    }

    .hero-crumb a {
      color: var(--color-primary);
      border-bottom: 1px solid transparent;
      transition: border-color 0.25s;
    }

    .hero-crumb a:hover {
      border-bottom-color: var(--color-primary);
    }

    .hero-title {
      font-size: clamp(2.2rem, 4.2vw, 3.2rem);
      margin-bottom: 16px;
      line-height: 1.1;
    }

    .hero-subtitle {
      font-size: 1.1rem;
      color: rgba(250, 248, 244, 0.85);
      max-width: 520px;
      margin-bottom: 28px;
    }

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

    .hero-media {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid rgba(166, 124, 46, 0.35);
      box-shadow: var(--shadow-md);
    }

    .hero-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      aspect-ratio: 4 / 3;
    }

    .content-split {
      display: grid;
      grid-template-columns: 1fr 300px;
      gap: 64px;
      align-items: start;
    }

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

    .content-aside {
      position: sticky;
      top: 96px;
      background: var(--color-bg-soft);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 28px;
    }

    .content-aside h3 {
      font-size: 1.1rem;
      margin-bottom: 16px;
    }

    .content-aside li {
      padding: 10px 0;
      border-bottom: 1px dashed var(--color-border);
    }

    .content-aside li:last-child {
      border-bottom: none;
    }

    .content-aside a {
      color: var(--color-primary);
      display: inline-block;
      transition: padding-left 0.25s;
    }

    .content-aside a:hover {
      padding-left: 6px;
    }

    .lead-block {
      margin-bottom: 56px;
    }

    .lead-block h2 {
      font-size: clamp(1.5rem, 2.4vw, 2rem);
      margin-bottom: 10px;
    }

    .lead-block p {
      color: rgba(43, 41, 38, 0.78);
    }

    .lead-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }

    .feature-card {
      background: var(--color-bg);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: box-shadow 0.3s, transform 0.3s;
    }

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

    .feature-card i {
      color: var(--color-primary);
      font-size: 1.5rem;
      margin-bottom: 12px;
    }

    .feature-card h3 {
      font-size: 1.15rem;
      margin-bottom: 8px;
    }

    .feature-card p {
      font-size: 0.95rem;
      color: rgba(43, 41, 38, 0.75);
    }

    .num-list {
      display: flex;
      flex-direction: column;
      gap: 28px;
      margin-top: 24px;
    }

    .num-item {
      display: grid;
      grid-template-columns: 80px 1fr;
      gap: 24px;
      align-items: start;
    }

    .num {
      font-family: var(--font-serif);
      font-size: 2.6rem;
      line-height: 1;
      color: var(--color-primary);
      border-bottom: 2px solid var(--color-primary);
      padding-bottom: 8px;
    }

    .num-item h3 {
      font-size: 1.2rem;
      margin-bottom: 6px;
    }

    .num-item p {
      color: rgba(43, 41, 38, 0.75);
    }

    .check-list {
      margin-top: 18px;
    }

    .check-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 0;
      color: rgba(43, 41, 38, 0.8);
    }

    .check-list i {
      color: var(--color-primary);
      width: 18px;
      text-align: center;
    }

    .scene-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .scene-card {
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--color-bg);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      transition: box-shadow 0.3s, transform 0.3s;
    }

    .scene-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .scene-card.featured {
      grid-row: span 2;
    }

    .scene-card img {
      width: 100%;
      object-fit: cover;
    }

    .scene-card.featured img {
      height: calc(100% - 120px);
      min-height: 300px;
    }

    .scene-card:not(.featured) img {
      height: 160px;
    }

    .scene-body {
      padding: 24px;
    }

    .scene-body h3 {
      font-size: 1.2rem;
      margin-bottom: 8px;
    }

    .scene-body p {
      color: rgba(43, 41, 38, 0.75);
      font-size: 0.95rem;
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .step-card {
      position: relative;
      background: var(--color-bg-soft);
      border-radius: var(--radius-md);
      padding: 28px;
      counter-increment: step;
      transition: box-shadow 0.3s, transform 0.3s;
    }

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

    .step-card::before {
      content: "0" counter(step);
      font-family: var(--font-serif);
      font-size: 2rem;
      color: var(--color-primary);
      display: block;
      margin-bottom: 16px;
      line-height: 1;
    }

    .steps {
      counter-reset: step;
    }

    .step-card h3 {
      font-size: 1.15rem;
      margin-bottom: 8px;
    }

    .step-card p {
      color: rgba(43, 41, 38, 0.75);
      font-size: 0.95rem;
    }

    .stat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      max-width: 900px;
      margin: 0 auto 48px;
      gap: 32px;
      text-align: center;
    }

    .stat-num {
      font-family: var(--font-serif);
      font-size: 3rem;
      color: var(--color-primary);
      line-height: 1.1;
    }

    .stat-label {
      font-size: 0.9rem;
      color: rgba(43, 41, 38, 0.7);
      margin-top: 6px;
    }

    .review-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 24px;
      max-width: 900px;
      margin: 0 auto;
    }

    .review-card {
      background: var(--color-bg);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .quote-icon {
      color: var(--color-primary);
      font-size: 1.6rem;
      margin-bottom: 12px;
    }

    .review-card blockquote {
      font-family: var(--font-serif);
      font-style: italic;
      color: rgba(43, 41, 38, 0.85);
    }

    .review-author {
      margin-top: 16px;
      font-size: 0.9rem;
      color: rgba(43, 41, 38, 0.65);
    }

    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }

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

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

    .faq-q {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      width: 100%;
      min-height: 56px;
      padding: 16px 8px;
      text-align: left;
      font-family: var(--font-serif);
      font-size: 1.1rem;
      color: var(--color-ink);
      transition: color 0.25s;
    }

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

    .faq-icon {
      flex: 0 0 28px;
      width: 28px;
      height: 28px;
      border: 1.5px solid var(--color-primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      transition: transform 0.3s;
      font-style: normal;
      font-size: 0.9rem;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
    }

    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
    }

    .faq-item.open .faq-a {
      max-height: 480px;
      padding: 0 8px 24px;
    }

    .faq-a p {
      color: rgba(43, 41, 38, 0.8);
    }

    .cta-band {
      position: relative;
      background: linear-gradient(rgba(43, 41, 38, 0.9), rgba(43, 41, 38, 0.9)), url("/assets/images/backpic/back-2.png") center / cover no-repeat;
      padding: 100px 0;
      text-align: center;
      color: var(--color-bg);
    }

    .cta-band::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--color-primary);
    }

    .cta-title {
      font-size: clamp(1.8rem, 3vw, 2.4rem);
      margin-bottom: 16px;
    }

    .cta-desc {
      color: rgba(250, 248, 244, 0.8);
      margin-bottom: 32px;
      font-size: 1.05rem;
    }

    .site-footer {
      background: var(--color-ink);
      color: rgba(250, 248, 244, 0.9);
      padding: 64px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 40px;
    }

    .footer-brand p:first-child {
      font-family: var(--font-serif);
      font-size: 1.2rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }

    .footer-desc {
      color: rgba(250, 248, 244, 0.7);
      max-width: 280px;
    }

    .footer-col h4 {
      color: #fff;
      margin-bottom: 16px;
      font-size: 1rem;
    }

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

    .footer-col a {
      color: rgba(250, 248, 244, 0.75);
      transition: color 0.25s;
    }

    .footer-col a:hover {
      color: var(--color-primary);
    }

    .footer-contact p {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 8px;
      color: rgba(250, 248, 244, 0.75);
    }

    .footer-bottom {
      border-top: 1px solid rgba(250, 248, 244, 0.15);
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      font-size: 0.875rem;
      color: rgba(250, 248, 244, 0.6);
    }

    .float-cta {
      position: fixed;
      right: 24px;
      bottom: 24px;
      background: var(--color-primary);
      color: var(--color-bg);
      padding: 12px 24px;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-md);
      font-weight: 600;
      z-index: 99;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
    }

    .float-cta:hover {
      transform: translateY(-3px);
      background: var(--color-primary-dark);
      box-shadow: var(--shadow-md);
    }

    .bottom-tab {
      display: none;
    }

    @media (max-width: 1024px) {
      :root {
        --space-section: 80px;
      }

      .page-hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .page-hero {
        min-height: auto;
        padding: 64px 0;
      }

      .content-split {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .content-aside {
        position: static;
      }

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

      .scene-card.featured {
        grid-row: auto;
      }

      .scene-card.featured img {
        height: 200px;
        min-height: 0;
      }

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

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

    @media (max-width: 768px) {
      :root {
        --space-section: 64px;
      }

      .container {
        padding: 0 16px;
      }

      .nav-links {
        display: none;
      }

      .header-inner {
        justify-content: center;
      }

      .bottom-tab {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 56px;
        background: var(--color-bg);
        border-top: 1px solid var(--color-border);
        z-index: 100;
        padding-bottom: env(safe-area-inset-bottom);
      }

      .bottom-tab a {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        font-size: 0.75rem;
        color: var(--color-ink);
        transition: color 0.25s;
      }

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

      .bottom-tab i {
        font-size: 1.1rem;
      }

      body {
        padding-bottom: 56px;
      }

      .float-cta {
        right: 16px;
        bottom: 76px;
        padding: 10px 20px;
      }

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

      .num-item {
        grid-template-columns: 60px 1fr;
      }

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

      .scene-card.featured {
        grid-row: auto;
      }

      .scene-card.featured img {
        height: 200px;
        min-height: 0;
      }

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

      .stat-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }

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

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
      }

      .cta-band {
        padding: 80px 0;
      }
    }

    @media (max-width: 520px) {
      .btn {
        width: 100%;
      }

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

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

      .scene-card:not(.featured) img {
        height: 140px;
      }

      .feature-card {
        padding: 22px;
      }

      .step-card {
        padding: 22px;
      }
    }

/* roulang page: article */
:root {
  --color-primary: #A67C2E;
  --color-primary-dark: #8A6522;
  --color-ink: #2B2926;
  --color-bg: #FAF8F4;
  --color-bg-soft: #F2EFE9;
  --color-border: #E4DED2;
  --color-success: #2E7D5B;
  --color-warning: #B3562E;
  --color-error: #C43E3E;
  --color-white: #FFFDF9;
  --shadow-sm: 0 2px 12px rgba(43, 41, 38, 0.06);
  --shadow-md: 0 12px 28px rgba(43, 41, 38, 0.12);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-full: 999px;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  --container: 1280px;
  --header-height: 64px;
  --tabbar-height: 56px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  display: block;
  background: var(--color-bg-soft);
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea {
  font: inherit;
  border: none;
  background: none;
  color: inherit;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(166, 124, 46, 0.35);
  outline-offset: 2px;
  border-radius: 4px;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-white);
}
.btn-primary:active {
  transform: translateY(0);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(250, 248, 244, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: rgba(166, 124, 46, 0.45);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--color-ink);
  white-space: nowrap;
  transition: color 0.25s ease;
}
.brand:hover {
  color: var(--color-primary);
}
.brand-mark {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-primary);
  border-radius: 50%;
  background: rgba(166, 124, 46, 0.07);
  color: var(--color-primary);
  font-size: 16px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-links > a {
  position: relative;
  display: inline-block;
  padding: 8px 2px;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-ink);
  transition: color 0.25s ease;
}
.nav-links > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  height: 2px;
  width: 0;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}
.nav-links > a:hover {
  color: var(--color-primary);
}
.nav-links > a:hover::after,
.nav-links > a.active::after {
  width: 100%;
}
.nav-links > a.active {
  color: var(--color-primary);
  font-weight: 600;
}
.nav-links a.nav-login {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}
.nav-links a.nav-login:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.nav-links a.nav-login::after {
  display: none;
}
.mobile-tabbar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  height: calc(56px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(250, 248, 244, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
}
.tabbar-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  height: 56px;
}
.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 11px;
  line-height: 1.2;
  color: var(--color-ink);
  text-align: center;
  transition: color 0.25s ease;
  padding: 0 4px;
}
.tab-item i {
  font-size: 17px;
  line-height: 1;
}
.tab-item span {
  display: block;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 2px;
}
.tab-item.active {
  color: var(--color-primary);
  font-weight: 700;
}
.tab-item:hover {
  color: var(--color-primary);
}
.article-masthead {
  position: relative;
  padding: 88px 0 64px;
  background:
    linear-gradient(rgba(43, 41, 38, 0.74), rgba(43, 41, 38, 0.84)),
    url("/assets/images/backpic/back-1.png") center / cover no-repeat;
  color: var(--color-white);
}
.masthead-topline {
  width: 56px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
  margin-bottom: 18px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
  font-size: 0.875rem;
  color: rgba(255, 253, 249, 0.66);
}
.breadcrumb a {
  color: rgba(255, 253, 249, 0.66);
  transition: color 0.25s ease;
}
.breadcrumb a:hover {
  color: #E4C07A;
}
.breadcrumb-sep {
  opacity: 0.55;
}
.breadcrumb-current {
  color: rgba(255, 253, 249, 0.92);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}
.article-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  line-height: 1.28;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-white);
  word-break: break-word;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.875rem;
  color: rgba(255, 253, 249, 0.7);
}
.meta-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #E4C07A;
  border: 1px solid rgba(228, 192, 122, 0.45);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
}
.meta-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-layout {
  padding: 64px 0 96px;
}
.article-main {
  max-width: 760px;
  margin: 0 auto;
}
.article-body {
  font-size: 1.03rem;
  line-height: 1.85;
  color: rgba(43, 41, 38, 0.88);
}
.article-body p {
  margin-bottom: 1.7rem;
}
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 2.8rem 0 1.2rem;
  padding-top: 1.6rem;
  border-top: 2px solid rgba(166, 124, 46, 0.28);
  color: var(--color-ink);
}
.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 2.2rem 0 0.9rem;
  color: var(--color-ink);
}
.article-body h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 1.8rem 0 0.7rem;
  color: var(--color-ink);
}
.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(166, 124, 46, 0.4);
  transition: color 0.25s ease, text-decoration-color 0.25s ease;
}
.article-body a:hover {
  color: var(--color-primary-dark);
  text-decoration-color: var(--color-primary);
}
.article-body img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
}
.article-body figure {
  margin: 1.8rem 0;
}
.article-body figcaption {
  font-size: 0.875rem;
  color: rgba(43, 41, 38, 0.55);
  text-align: center;
  margin-top: 10px;
}
.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg-soft);
  padding: 22px 26px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.8rem 0;
}
.article-body blockquote p {
  margin-bottom: 0;
}
.article-body ul,
.article-body ol {
  margin: 0 0 1.7rem 1.45rem;
  padding: 0;
}
.article-body li {
  margin-bottom: 0.5rem;
  padding-left: 0.2rem;
}
.article-body code {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  padding: 2px 7px;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}
.article-body pre {
  background: var(--color-ink);
  color: #F5F0E6;
  padding: 22px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 0 0 1.7rem;
  line-height: 1.7;
}
.article-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6rem 0;
  font-size: 0.95rem;
}
.article-body th,
.article-body td {
  border: 1px solid var(--color-border);
  padding: 12px 14px;
  text-align: left;
}
.article-body th {
  background: var(--color-bg-soft);
  font-weight: 600;
}
.article-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}
.tag-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(43, 41, 38, 0.55);
}
.tag-item {
  display: inline-block;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  color: var(--color-ink);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  line-height: 1.5;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}
.tag-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(166, 124, 46, 0.05);
}
.article-back {
  margin-top: 48px;
  text-align: center;
}
.article-back a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.95rem;
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
  transition: border-color 0.3s ease, color 0.25s ease;
}
.article-back a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}
.article-empty {
  text-align: center;
  padding: 80px 0;
}
.article-empty .empty-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-soft);
  color: var(--color-primary);
  font-size: 1.8rem;
}
.article-empty p {
  font-size: 1.15rem;
  color: rgba(43, 41, 38, 0.7);
  margin-bottom: 28px;
}
.related-section {
  background: var(--color-bg-soft);
  padding: 88px 0;
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head .section-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 10px;
}
.section-head p {
  color: rgba(43, 41, 38, 0.6);
  font-size: 0.95rem;
}
.related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  max-width: 880px;
  margin: 0 auto;
}
.related-card {
  display: flex;
  align-items: stretch;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.related-card:hover,
.related-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(166, 124, 46, 0.35);
}
.related-card .card-img {
  flex: 0 0 240px;
  min-height: 150px;
  background: var(--color-bg-soft);
  overflow: hidden;
}
.related-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .card-img img {
  transform: scale(1.04);
}
.related-card .card-body {
  flex: 1;
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 8px;
}
.related-card h3 {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-ink);
}
.related-card p {
  font-size: 0.875rem;
  line-height: 1.65;
  color: rgba(43, 41, 38, 0.62);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 253, 249, 0.7);
  padding: 72px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 48px;
}
.footer-brand .footer-logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 14px;
}
.footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 253, 249, 0.55);
  max-width: 320px;
}
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 18px;
}
.footer-col ul {
  list-style: none;
}
.footer-col li {
  margin-bottom: 12px;
}
.footer-col a {
  font-size: 0.9rem;
  color: rgba(255, 253, 249, 0.55);
  transition: color 0.25s ease, padding-left 0.25s ease;
}
.footer-col a:hover {
  color: #E4C07A;
  padding-left: 4px;
}
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: rgba(255, 253, 249, 0.55);
}
.footer-contact i {
  width: 16px;
  color: var(--color-primary);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 253, 249, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 253, 249, 0.42);
}
@media (max-width: 1024px) {
  .nav-links {
    gap: 18px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .site-header .nav-links {
    display: none;
  }
  .mobile-tabbar {
    display: block;
  }
  body {
    padding-bottom: calc(56px + env(safe-area-inset-bottom));
  }
  .article-masthead {
    padding: 56px 0 44px;
  }
  .article-layout {
    padding: 44px 0 64px;
  }
  .related-section {
    padding: 64px 0;
  }
  .article-body {
    font-size: 1rem;
  }
  .article-body h2 {
    font-size: 1.35rem;
  }
  .article-body h3 {
    font-size: 1.15rem;
  }
  .article-title {
    font-size: 1.65rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .brand {
    font-size: 1.02rem;
  }
  .breadcrumb-current {
    max-width: 220px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .article-masthead {
    padding: 44px 0 36px;
  }
  .related-card .card-img {
    flex: 0 0 120px;
    min-height: 110px;
  }
  .related-card .card-body {
    padding: 14px 16px;
  }
  .related-card h3 {
    font-size: 0.98rem;
  }
  .related-card p {
    font-size: 0.8rem;
    -webkit-line-clamp: 2;
    line-clamp: 2;
  }
  .article-tags {
    gap: 8px;
  }
  .meta-cat {
    padding: 3px 10px;
    font-size: 0.75rem;
  }
}

/* roulang page: category2 */
:root {
  --color-primary: #A67C2E;
  --color-primary-dark: #8A6522;
  --color-ink: #2B2926;
  --color-bg: #FAF8F4;
  --color-bg-soft: #F2EFE9;
  --color-border: #E4DED2;
  --color-success: #2E7D5B;
  --color-warning: #B3562E;
  --color-error: #C43E3E;
  --shadow-sm: 0 2px 12px rgba(43, 41, 38, 0.06);
  --shadow-md: 0 12px 28px rgba(43, 41, 38, 0.12);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-full: 999px;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
  --container: 1280px;
  --space-section: 120px;
  --header-height: 64px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; cursor: pointer; }
input, textarea { font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 1rem; font-weight: 500; padding: 12px 28px;
  border-radius: var(--radius-full); color: #fff;
  background: var(--color-primary); transition: all 0.3s ease;
  min-height: 44px; outline: none;
}
.btn:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(166, 124, 46, 0.3); }
.btn:focus-visible { outline: 3px solid rgba(166, 124, 46, 0.35); outline-offset: 2px; }
.btn-outline { background: transparent; color: var(--color-primary); border: 1.5px solid var(--color-primary); }
.btn-outline:hover { background: rgba(166, 124, 46, 0.08); color: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn-outline-light { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, 0.7); }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: #fff; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 248, 244, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.35s, border-color 0.35s;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); border-bottom-color: rgba(166, 124, 46, 0.3); }
.header-inner { height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--color-ink); }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1rem; box-shadow: 0 4px 14px rgba(166, 124, 46, 0.28);
}
.brand span:last-child { white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--color-ink); font-size: 0.92rem; padding: 8px 14px;
  border-radius: var(--radius-sm); position: relative; transition: color 0.3s;
  white-space: nowrap; font-weight: 400;
}
.nav-links a:not(.nav-login)::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: var(--color-primary);
  border-radius: 2px; transform: scaleX(0); transform-origin: left center;
  transition: transform 0.3s;
}
.nav-links a:not(.nav-login):hover::after { transform: scaleX(1); }
.nav-links a:hover { color: var(--color-primary); }
.nav-links a.active { color: var(--color-primary); font-weight: 600; }
.nav-links a.active::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px; background: var(--color-primary); border-radius: 2px; transform: scaleX(1); }
.nav-login {
  background: var(--color-primary); color: #fff !important; border-radius: var(--radius-full);
  margin-left: 10px; padding: 9px 20px !important; font-weight: 500 !important;
  box-shadow: 0 2px 10px rgba(166, 124, 46, 0.18);
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
}
.nav-login:hover { background: var(--color-primary-dark) !important; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(166, 124, 46, 0.3); }
.nav-login::after { display: none !important; }

/* Page Hero */
.page-hero {
  min-height: 40vh; display: flex; align-items: center; position: relative;
  background: linear-gradient(120deg, rgba(43, 41, 38, 0.9) 20%, rgba(43, 41, 38, 0.75) 60%, rgba(43, 41, 38, 0.65) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow: hidden;
}
.page-hero::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(166, 124, 46, 0.5), transparent); }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; padding: 72px 0; }
.page-hero h1 {
  font-family: var(--font-serif); font-size: clamp(2.1rem, 4vw, 3.1rem);
  line-height: 1.2; color: #fff; margin-bottom: 16px; letter-spacing: 0.01em;
}
.hero-sub { color: rgba(255, 255, 255, 0.85); font-size: 1.02rem; max-width: 460px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-img-wrap {
  position: relative; border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-md);
  border: 1px solid rgba(166, 124, 46, 0.35);
  background: var(--color-bg-soft);
}
.hero-img-wrap img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }

/* Main Layout */
.category-main { display: grid; grid-template-columns: 1fr 270px; gap: 52px; padding: 72px 0 40px; }
.main-content { min-width: 0; }
.sidebar {
  position: sticky; top: calc(var(--header-height) + 20px); align-self: start;
  background: var(--color-bg-soft); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 24px 20px;
}
.sidebar-title {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--color-primary); margin-bottom: 16px; text-transform: uppercase;
  padding-bottom: 12px; border-bottom: 1px solid var(--color-border);
}
.sidebar ul li + li { margin-top: 2px; }
.sidebar ul a {
  display: block; padding: 9px 12px; border-radius: 8px;
  font-size: 0.92rem; color: var(--color-ink); transition: all 0.3s;
}
.sidebar ul a:hover { color: var(--color-primary); background: rgba(166, 124, 46, 0.08); padding-left: 16px; }
.sidebar ul a.active { color: var(--color-primary); font-weight: 600; background: rgba(166, 124, 46, 0.1); }

/* Section */
.section-block { padding: 32px 0; }
.section-block + .section-block { border-top: 1px solid var(--color-border); }
.section-title {
  font-family: var(--font-serif); font-size: clamp(1.6rem, 2.4vw, 2rem);
  line-height: 1.3; margin-bottom: 10px; color: var(--color-ink);
}
.section-title::before {
  content: ''; display: block; width: 34px; height: 3px;
  background: var(--color-primary); border-radius: 3px; margin-bottom: 14px;
}
.section-desc { color: #5A554C; margin-bottom: 28px; max-width: 680px; font-size: 0.95rem; }
.section-dark { background: var(--color-bg-soft); border-radius: var(--radius-md); padding: 48px 36px; border: 1px solid var(--color-border); }

/* Benefit Card */
.benefit-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.benefit-card {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 26px 24px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(166, 124, 46, 0.3); }
.benefit-icon {
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  background: rgba(166, 124, 46, 0.12); color: var(--color-primary);
  border-radius: 13px; font-size: 1.15rem; margin-bottom: 14px;
}
.benefit-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; }
.benefit-card p { font-size: 0.88rem; color: #5A554C; line-height: 1.65; }

/* Scenario */
.scenario-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.scenario-item {
  background: var(--color-bg-soft); border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm); padding: 20px 22px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.scenario-item:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); }
.scenario-item strong { font-size: 0.98rem; display: block; margin-bottom: 5px; }
.scenario-item p { font-size: 0.87rem; color: #5A554C; line-height: 1.6; }

/* Process */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.process-step {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 28px 20px; position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.process-num {
  font-family: var(--font-serif); font-size: 2.4rem; color: var(--color-primary);
  opacity: 0.75; line-height: 1; display: block; margin-bottom: 12px;
}
.process-step h3 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.process-step p { font-size: 0.85rem; color: #5A554C; line-height: 1.6; }

/* FAQ */
.faq-list { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; padding: 14px 0; gap: 24px; cursor: pointer;
  transition: color 0.3s; outline: none;
}
.faq-question:hover h3 { color: var(--color-primary); }
.faq-question h3 { font-size: 1.03rem; font-weight: 500; transition: color 0.3s; }
.faq-toggle {
  width: 32px; height: 32px; flex-shrink: 0; border-radius: 50%;
  border: 1.5px solid var(--color-primary); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; transition: transform 0.35s;
  position: relative; background: transparent;
}
.faq-toggle::before { content: '+'; font-weight: 400; line-height: 1; }
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer p { padding: 0 42px 26px 0; color: #5A554C; font-size: 0.94rem; }

/* Visual Extend */
.visual-extend { padding: 50px 0 10px; }
.visual-img-wrap {
  position: relative; border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-md); border: 1px solid var(--color-border);
  background: var(--color-bg-soft);
}
.visual-img-wrap img { width: 100%; height: 100%; object-fit: cover; max-height: 420px; }
.visual-caption {
  position: absolute; left: 28px; bottom: 24px; right: 28px;
  color: #fff; font-size: 1.1rem; font-weight: 600;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
  background: linear-gradient(90deg, rgba(43, 41, 38, 0.7), rgba(43, 41, 38, 0.2));
  backdrop-filter: blur(4px);
  padding: 14px 22px; border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
}

/* CTA */
.cta-panel {
  background: linear-gradient(135deg, rgba(43, 41, 38, 0.93), rgba(43, 41, 38, 0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius: var(--radius-md); padding: 86px 48px;
  text-align: center; margin: 64px 0 0; border-top: 2px solid var(--color-primary);
  position: relative;
}
.cta-panel h2 {
  font-family: var(--font-serif); font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: #fff; margin-bottom: 14px; line-height: 1.3;
}
.cta-panel p { color: rgba(255, 255, 255, 0.82); max-width: 520px; margin: 0 auto 30px; font-size: 0.98rem; }
.cta-panel .btn { font-size: 1.05rem; padding: 14px 40px; }

/* Footer */
.site-footer {
  background: var(--color-ink); color: var(--color-bg);
  padding: 60px 0 30px; margin-top: 64px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.2fr 0.8fr 0.9fr;
  gap: 48px; padding-bottom: 36px; border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand p:first-child {
  font-family: var(--font-serif); font-size: 1.2rem; font-weight: 600;
  margin-bottom: 10px; color: #fff;
}
.footer-desc { font-size: 0.88rem; color: rgba(255, 255, 255, 0.6); max-width: 320px; line-height: 1.7; }
.footer-col h4 { font-size: 0.95rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255, 255, 255, 0.68); font-size: 0.88rem; }
.footer-col ul a:hover { color: var(--color-primary); }
.footer-contact p { color: rgba(255, 255, 255, 0.68); font-size: 0.88rem; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--color-primary); width: 16px; }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding-top: 24px; font-size: 0.8rem; color: rgba(255, 255, 255, 0.4);
}

/* Mobile Tabs */
.mobile-tabs { display: none; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(43, 41, 38, 0.62);
  display: none; align-items: center; justify-content: center;
  padding: 24px; backdrop-filter: blur(4px);
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: var(--color-bg); border-radius: var(--radius-md);
  max-width: 420px; width: 100%; padding: 42px 34px 34px;
  position: relative; box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--color-bg-soft);
  color: var(--color-ink); font-size: 1rem; transition: all 0.3s;
}
.modal-close:hover { background: var(--color-error); color: #fff; transform: rotate(90deg); }
.modal-box h3 { font-family: var(--font-serif); font-size: 1.5rem; margin-bottom: 8px; }
.modal-box .modal-tip { color: #5A554C; font-size: 0.88rem; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 500; margin-bottom: 8px; }
.form-group input {
  width: 100%; height: 48px; padding: 0 16px; font-size: 0.95rem;
  background: var(--color-bg-soft); border: 1px solid var(--color-border);
  border-radius: 12px; color: var(--color-ink); transition: all 0.3s; outline: none;
}
.form-group input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(166, 124, 46, 0.15); background: var(--color-bg); }
.form-group input::placeholder { color: rgba(43, 41, 38, 0.4); }
.form-error { color: var(--color-error); font-size: 0.8rem; margin-top: 6px; min-height: 20px; }
.form-success { color: var(--color-success); font-size: 0.82rem; margin-top: 8px; text-align: center; }
.modal-box .btn { width: 100%; }
.modal-links { display: flex; justify-content: space-between; margin-top: 14px; font-size: 0.82rem; }
.modal-links a { color: var(--color-primary); }
.modal-links a:hover { text-decoration: underline; }

/* Focus States */
a:focus-visible, button:focus-visible { outline: 3px solid rgba(166, 124, 46, 0.4); outline-offset: 2px; border-radius: 4px; }

/* Responsive */
@media (max-width: 1024px) {
  :root { --space-section: 80px; }
  .hero-inner { gap: 40px; }
  .category-main { grid-template-columns: 1fr; }
  .sidebar {
    position: static; display: flex; flex-wrap: wrap; align-items: center;
    gap: 6px; padding: 18px 20px; margin-bottom: 20px;
    border-radius: var(--radius-sm);
  }
  .sidebar-title { border-bottom: none; padding-bottom: 0; margin: 0 12px 0 0; font-size: 0.78rem; }
  .sidebar ul { display: flex; flex-wrap: wrap; gap: 6px; }
  .sidebar ul li { margin: 0 !important; }
  .sidebar ul a { padding: 6px 14px; font-size: 0.85rem; border-radius: var(--radius-full); background: rgba(166, 124, 46, 0.06); }
  .sidebar ul a:hover { padding-left: 14px; background: rgba(166, 124, 46, 0.12); }
  .sidebar ul a.active { background: rgba(166, 124, 46, 0.16); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  :root { --space-section: 64px; }
  .site-header { display: none; }
  .mobile-tabs {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0;
    height: calc(56px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(250, 248, 244, 0.96);
    border-top: 1px solid var(--color-border);
    z-index: 200; backdrop-filter: blur(8px);
  }
  .mobile-tabs a {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 2px; font-size: 0.62rem; color: var(--color-ink);
    min-width: 0; padding: 4px 2px; transition: color 0.3s;
  }
  .mobile-tabs a i { font-size: 1rem; }
  .mobile-tabs a.active { color: var(--color-primary); font-weight: 600; }
  .mobile-tabs a span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }

  .page-hero { min-height: auto; padding: 48px 0 56px; }
  .hero-inner { grid-template-columns: 1fr; padding: 40px 0 24px; }
  .hero-img-wrap { max-width: 460px; }
  .page-hero h1 { font-size: clamp(1.8rem, 6vw, 2.2rem); }
  .category-main { padding: 48px 0 24px; }
  .section-block { padding: 24px 0; }
  .section-dark { padding: 32px 20px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .cta-panel { padding: 56px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 6px; }
  .visual-caption { left: 16px; right: 16px; bottom: 16px; font-size: 0.92rem; padding: 10px 16px; }
  .modal-box { padding: 34px 24px 28px; }
  body { padding-bottom: 60px; }
  .site-footer { margin-top: 40px; }
  .btn { min-height: 48px; }
}
@media (max-width: 520px) {
  .container { padding: 0 20px; }
  .hero-actions .btn { width: 100%; }
  .section-title { font-size: 1.5rem; }
  .faq-question h3 { font-size: 0.95rem; }
  .faq-answer p { padding-right: 20px; }
  .cta-panel h2 { font-size: 1.6rem; }
  .visual-caption { position: static; border-radius: 0; border-left: none; border-top: 3px solid var(--color-primary); background: var(--color-bg-soft); color: var(--color-ink); text-shadow: none; font-size: 0.9rem; padding: 12px 16px; }
  .visual-extend { padding-top: 32px; }
}

/* roulang page: category3 */
/* ========== 设计令牌 ========== */
:root{
  --color-primary:#A67C2E;
  --color-primary-dark:#8A6522;
  --color-ink:#2B2926;
  --color-bg:#FAF8F4;
  --color-bg-soft:#F2EFE9;
  --color-border:#E4DED2;
  --color-success:#2E7D5B;
  --color-warning:#B3562E;
  --color-error:#C43E3E;
  --shadow-sm:0 2px 12px rgba(43,41,38,.06);
  --shadow-md:0 12px 28px rgba(43,41,38,.12);
  --radius-sm:12px;
  --radius-md:16px;
  --radius-full:999px;
  --font-serif:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --container:1280px;
  --space-section:120px;
}
/* ========== 基础重置 ========== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-sans);font-size:1rem;line-height:1.7;color:var(--color-ink);background:var(--color-bg);min-height:100vh}
body{overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);line-height:1.3;margin:0;color:var(--color-ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
/* ========== 通用组件 ========== */
.btn-primary,.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 28px;border-radius:var(--radius-sm);
  font-size:1rem;font-weight:500;border:1.5px solid transparent;
  transition:all .3s ease;line-height:1;white-space:nowrap;
}
.btn-primary{background:var(--color-primary);color:#fff}
.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}
.btn-secondary:hover{background:rgba(166,124,46,.10);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(0)}
.btn-lg{height:52px;padding:0 40px;font-size:1.05rem;border-radius:var(--radius-sm)}
.badge-inline{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(166,124,46,.12);color:var(--color-primary-dark);
  font-size:.75rem;font-weight:600;padding:6px 14px;border-radius:var(--radius-full);
  letter-spacing:.4px;
}
/* ========== Header ========== */
.site-header{
  position:sticky;top:0;z-index:900;height:64px;
  background:color-mix(in srgb,var(--color-bg) 88%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
  box-shadow:var(--shadow-sm);
  border-bottom-color:rgba(166,124,46,.4);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-weight:700;font-size:1.18rem;color:var(--color-ink);white-space:nowrap;transition:color .25s}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--color-primary);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:.95rem;
  box-shadow:0 3px 10px rgba(166,124,46,.25);
}
.brand:hover{color:var(--color-primary)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--radius-full);
  font-size:.92rem;font-weight:500;color:var(--color-ink);
  transition:color .25s,background .25s;
}
.nav-links a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--color-primary);border-radius:2px;transform:scaleX(0);
  transform-origin:center;transition:transform .3s ease;
}
.nav-links a:hover{color:var(--color-primary);background:rgba(166,124,46,.06)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--color-primary);font-weight:700;background:rgba(166,124,46,.08)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-links .nav-login{
  margin-left:8px;background:var(--color-primary);color:#fff;
  border-radius:var(--radius-full);padding:8px 22px;font-weight:500;
}
.nav-links .nav-login::after{display:none}
.nav-links .nav-login:hover{background:var(--color-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-sm)}
/* ========== 移动端底部Tab ========== */
.mobile-tabbar{
  position:fixed;bottom:0;left:0;right:0;z-index:990;
  height:56px;background:color-mix(in srgb,var(--color-bg) 92%,transparent);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--color-border);
  display:none;justify-content:space-between;
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar a{
  flex:0 0 20%;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;color:var(--color-ink);font-size:.65rem;line-height:1.2;
  transition:color .25s;padding:4px 2px;
}
.mobile-tabbar a i{font-size:1.05rem;line-height:1}
.mobile-tabbar a:hover{color:var(--color-primary)}
.mobile-tabbar a.active{color:var(--color-primary);font-weight:700}
/* ========== Hero Banner ========== */
.page-banner{
  min-height:40vh;display:flex;align-items:center;
  background:var(--color-bg-soft);border-bottom:1px solid var(--color-border);
  padding:70px 0 60px;position:relative;overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;top:-80px;right:-40px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(166,124,46,.10),transparent 70%);
}
.banner-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;
}
.banner-badge{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;
  background:rgba(166,124,46,.14);color:var(--color-primary-dark);
  font-size:.8rem;font-weight:600;padding:7px 16px;border-radius:var(--radius-full);
  letter-spacing:.3px;
}
.banner-content h1{
  font-size:clamp(2rem,4.5vw,3.2rem);font-weight:900;line-height:1.15;
  color:var(--color-ink);margin-bottom:16px;
}
.banner-content .banner-desc{
  font-size:1.05rem;color:rgba(43,41,38,.72);max-width:480px;margin-bottom:28px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px}
.banner-visual img{
  width:100%;height:300px;object-fit:cover;border-radius:var(--radius-md);
  border:1px solid rgba(166,124,46,.25);box-shadow:var(--shadow-md);
}
/* ========== 分类主体 ========== */
.category-body{padding:90px 0 100px;background:var(--color-bg)}
.main-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:start;
}
.main-content{min-width:0;max-width:820px}
.content-section{scroll-margin-top:90px;margin-bottom:56px}
.content-section:last-child{margin-bottom:0}
.section-kicker{
  display:block;font-size:.78rem;font-weight:700;letter-spacing:2px;
  color:var(--color-primary);text-transform:uppercase;margin-bottom:8px;
}
.content-section h2{
  font-size:clamp(1.5rem,2.5vw,2rem);font-weight:700;color:var(--color-ink);
  margin-bottom:18px;
}
.content-section>p{color:rgba(43,41,38,.72);margin-bottom:14px;line-height:1.8}
/* ========== 功能卡片 ========== */
.feature-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:16px;
}
.feature-card{
  background:var(--color-bg);border:1px solid var(--color-border);
  border-radius:var(--radius-md);padding:26px 24px;
  transition:all .3s ease;transform:translateY(0);
}
.feature-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:rgba(166,124,46,.4)}
.feature-icon{
  width:48px;height:48px;border-radius:14px;
  background:rgba(166,124,46,.12);color:var(--color-primary-dark);
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;
  margin-bottom:16px;
}
.feature-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:.88rem;color:rgba(43,41,38,.65);line-height:1.65}
/* ========== 步骤时间线 ========== */
.step-list{margin-top:14px;display:flex;flex-direction:column;gap:16px}
.step-item{
  display:flex;gap:22px;align-items:flex-start;
  background:var(--color-bg-soft);border-radius:var(--radius-md);
  padding:24px 28px;border-left:3px solid var(--color-primary);
  transition:transform .3s ease,box-shadow .3s ease;
}
.step-item:hover{transform:translateX(6px);box-shadow:var(--shadow-sm)}
.step-num{
  font-family:var(--font-serif);font-size:2rem;font-weight:900;
  color:var(--color-primary);line-height:1;min-width:50px;text-align:left;
  opacity:.75;
}
.step-body h3{font-size:1.08rem;font-weight:700;margin-bottom:6px}
.step-body p{font-size:.88rem;color:rgba(43,41,38,.66);line-height:1.65}
/* ========== FAQ 手风琴 ========== */
.faq-wrap{background:var(--color-bg-soft);border-radius:var(--radius-md);padding:12px 28px 24px}
.faq-list{border-top:1px solid var(--color-border)}
.faq-item{border-bottom:1px solid var(--color-border)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:56px;padding:14px 0;background:transparent;border:0;
  text-align:left;font-family:var(--font-serif);font-size:1rem;font-weight:700;
  color:var(--color-ink);transition:color .25s;
}
.faq-question:hover{color:var(--color-primary)}
.faq-question:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:4px}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--color-primary);color:var(--color-primary);
  display:flex;align-items:center;justify-content:center;font-size:.8rem;
  transition:transform .35s ease,background .35s ease;
}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--color-primary);color:#fff}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  padding:0 28px 0 0;
}
.faq-item.active .faq-answer{
  padding-bottom:24px;max-height:600px;
}
.faq-answer p{font-size:.9rem;color:rgba(43,41,38,.7);line-height:1.75}
/* ========== 分类视觉延伸 ========== */
.category-visual{padding:60px 0 90px;background:var(--color-bg-soft)}
.visual-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.visual-grid figure{
  margin:0;border-radius:var(--radius-md);overflow:hidden;position:relative;
  background:var(--color-bg);border:1px solid var(--color-border);
  transition:box-shadow .3s ease,transform .3s ease;
}
.visual-grid figure:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.visual-grid img{width:100%;height:260px;object-fit:cover}
.visual-grid figcaption{
  padding:14px 20px;font-size:.85rem;font-weight:600;color:var(--color-ink);
  display:flex;align-items:center;gap:8px;background:var(--color-bg);
}
.visual-grid figcaption::before{
  content:"";width:4px;height:14px;border-radius:2px;background:var(--color-primary);
}
/* ========== CTA ========== */
.security-cta{
  text-align:center;color:#fff;padding:68px 0 70px;position:relative;
  background:var(--color-ink);overflow:hidden;
}
.security-cta::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--color-primary);
}
.security-cta::after{
  content:"";position:absolute;top:-100px;right:-80px;width:300px;height:300px;
  border-radius:50%;background:radial-gradient(circle,rgba(166,124,46,.2),transparent 70%);
}
.cta-inner{position:relative;z-index:2}
.security-cta h2{font-size:clamp(1.5rem,3vw,2.4rem);color:#fff;margin-bottom:12px;font-weight:800}
.security-cta p{font-size:1rem;color:rgba(250,248,244,.72);margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto}
.security-cta .btn-primary{background:var(--color-primary);border-color:var(--color-primary)}
.security-cta .btn-primary:hover{background:var(--color-primary-dark);border-color:var(--color-primary-dark)}
/* ========== Footer ========== */
.site-footer{background:var(--color-ink);color:rgba(250,248,244,.75);padding:64px 0 32px;border-top:1px solid rgba(166,124,46,.3)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(250,248,244,.08)}
.footer-brand p:first-child{font-family:var(--font-serif);font-size:1.2rem;font-weight:700;color:#fff;margin-bottom:12px}
.footer-desc{font-size:.86rem;line-height:1.7;max-width:300px;color:rgba(250,248,244,.65)}
.footer-col h4{font-family:var(--font-sans);font-size:.82rem;font-weight:600;color:var(--color-primary);letter-spacing:1px;margin-bottom:18px;text-transform:uppercase}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:.9rem;color:rgba(250,248,244,.7);transition:color .25s}
.footer-col ul a:hover{color:var(--color-primary)}
.footer-contact p{font-size:.88rem;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.footer-contact i{color:var(--color-primary);width:18px;text-align:center}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:24px;font-size:.85rem;color:rgba(250,248,244,.45);
  flex-wrap:wrap;gap:8px;
}
/* ========== 浮动CTA ========== */
.floating-cta{
  position:fixed;bottom:24px;right:24px;z-index:980;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--color-primary);color:#fff;
  padding:12px 24px;border-radius:var(--radius-full);
  box-shadow:var(--shadow-md);font-size:.92rem;font-weight:600;
  transition:all .3s ease;
}
.floating-cta:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.floating-cta:active{transform:translateY(0)}
/* ========== 响应式 ========== */
@media (max-width:1024px){
  .banner-inner{grid-template-columns:1fr 1fr;gap:36px}
  .main-layout{grid-template-columns:1fr 240px;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .banner-inner{grid-template-columns:1fr}
  .banner-visual img{height:auto;max-height:320px}
  .main-layout{grid-template-columns:1fr}
  .category-toc{display:none}
  .site-header{display:none}
  .mobile-tabbar{display:flex}
  .page-banner{padding:48px 0 40px}
  .category-body{padding:60px 0 70px}
  .security-cta{padding:50px 0}
  .floating-cta{bottom:80px;right:16px;padding:10px 18px;font-size:.85rem}
  body{padding-bottom:56px;padding-bottom:calc(56px + env(safe-area-inset-bottom))}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .feature-grid{grid-template-columns:1fr}
  .visual-grid{grid-template-columns:1fr}
  .step-item{padding:20px 18px;gap:14px}
  .step-num{font-size:1.6rem;min-width:36px}
  .btn-primary,.btn-secondary{height:48px}
  .banner-actions{flex-direction:column;align-items:stretch}
  .banner-actions .btn-primary,.banner-actions .btn-secondary{width:100%}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .page-banner{padding:36px 0 28px}
  .banner-content h1{font-size:1.8rem}
  .banner-desc{font-size:.9rem}
  .content-section h2{font-size:1.35rem}
  .content-section>p{font-size:.9rem}
  .feature-grid{grid-template-columns:1fr}
  .faq-wrap{padding:8px 16px 16px}
  .faq-question{font-size:.9rem;gap:10px}
  .footer-bottom{flex-direction:column;text-align:center}
}