/* roulang page: index */
:root{
  --primary:#C4562C;
  --primary-hover:#A5451F;
  --primary-tint:#FBEDE6;
  --secondary:#1C3A35;
  --secondary-deep:#10231F;
  --accent:#D9A441;
  --bg:#FBF8F3;
  --bg-alt:#F3EEE6;
  --text:#1A1D1C;
  --text-soft:#5C6763;
  --text-mute:#8A9490;
  --line:#E5DED3;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,35,31,.06);
  --shadow-md:0 1px 2px rgba(16,35,31,.06), 0 8px 24px -12px rgba(16,35,31,.18);
  --shadow-lg:0 2px 4px rgba(16,35,31,.08), 0 18px 42px -18px rgba(16,35,31,.26);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{width:100%;max-width:1360px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}

.h1{font-size:clamp(30px,4.4vw,52px);line-height:1.22;font-weight:800;letter-spacing:-.01em;margin:0}
.h2{font-size:clamp(24px,2.6vw,34px);line-height:1.32;font-weight:800;letter-spacing:-.01em;margin:0}
.h3{font-size:20px;line-height:1.5;font-weight:700;margin:0}
.lead{font-size:17px;line-height:1.85;color:var(--text-soft)}
.muted{color:var(--text-soft)}
.muted-sm{font-size:14px;line-height:1.8;color:var(--text-mute)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--primary);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.section-head .desc{max-width:640px;margin-top:14px;color:var(--text-soft);font-size:15.5px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--primary);border-bottom:1px solid rgba(196,86,44,.35);padding-bottom:2px;transition:color .2s ease,border-color .2s ease}
.text-link:hover{color:var(--primary-hover);border-bottom-color:var(--primary-hover)}

/* ---------------- 导航 ---------------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(251,248,243,.72);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid rgba(28,58,53,.10);box-shadow:0 8px 26px -22px rgba(16,35,31,.5);transition:background-color .24s ease,box-shadow .24s ease}
.site-header.scrolled{background:rgba(251,248,243,.97);box-shadow:var(--shadow-sm),0 12px 30px -22px rgba(16,35,31,.55)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(140deg,var(--primary),#E07A4E);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;box-shadow:0 6px 16px -8px rgba(196,86,44,.85)}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--secondary)}
.nav-desktop{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:9px 14px;border-radius:9px;font-size:15px;font-weight:600;color:var(--secondary);transition:color .2s ease,background-color .2s ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .24s ease}
.nav-link:hover{color:var(--primary);background:rgba(196,86,44,.07)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--secondary);font-size:17px;transition:border-color .2s ease,color .2s ease}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary)}
.mobile-drawer{display:none}

/* ---------------- 按钮 ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-outline{border-color:var(--secondary);color:var(--secondary);background:transparent}
.btn-outline:hover{background:var(--secondary);color:#FBF8F3;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em;background:var(--primary-tint);color:var(--primary-hover)}
.badge-pine{background:rgba(28,58,53,.09);color:var(--secondary)}
.badge-gold{background:rgba(217,164,65,.18);color:#8A6520}

/* ---------------- Hero ---------------- */
.hero{position:relative;padding:152px 0 0;overflow:hidden}
.hero::before{content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(196,86,44,.14),rgba(196,86,44,0) 68%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center;position:relative}
.hero-title{margin:20px 0 20px}
.hero-sub{font-size:17px;line-height:1.9;color:var(--text-soft);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.stat-chip{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.stat-chip b{font-family:var(--font-num);font-size:16px;color:var(--primary);font-weight:700}
.stat-chip span{font-size:13.5px;color:var(--text-soft)}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line);background:#fff}
.hero-visual img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,35,31,0) 55%,rgba(16,35,31,.42));pointer-events:none}

.hero-strip{margin-top:64px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.55)}
.hero-strip-inner{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:26px 0}
.strip-item{display:flex;align-items:flex-start;gap:14px}
.strip-num{font-family:var(--font-num);font-size:14px;font-weight:700;color:#fff;background:var(--secondary);width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.strip-item b{display:block;font-size:15.5px;font-weight:700}
.strip-item span{display:block;font-size:13.5px;color:var(--text-mute);line-height:1.7}

/* ---------------- 三步上手 ---------------- */
.step-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;padding:36px 0;border-bottom:1px dashed var(--line)}
.step-row:last-child{border-bottom:0}
.step-row.reverse .step-text{order:2}
.step-row.reverse .step-media{order:1}
.step-index{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.06em}
.step-index i{display:block;width:26px;height:2px;background:var(--accent)}
.step-text h3{margin:14px 0 12px}
.step-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md);background:#fff}
.step-media img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------------- 能力区 ---------------- */
.cap-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:56px;align-items:start}
.cap-list{display:flex;flex-direction:column;gap:6px}
.cap-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.cap-num{font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--primary);background:var(--primary-tint);border-radius:9px;min-width:34px;height:34px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cap-item b{display:block;font-size:16px;font-weight:700;margin-bottom:4px}
.cap-item p{font-size:14.5px;color:var(--text-soft);margin:0}
.cap-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:18px}
.cap-photo{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.cap-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.data-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.data-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 16px;box-shadow:var(--shadow-sm)}
.data-card b{display:block;font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--secondary);line-height:1.2}
.data-card span{display:block;font-size:12.5px;color:var(--text-mute);margin-top:6px;line-height:1.6}

/* ---------------- 适用对象 ---------------- */
.fit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.fit-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.fit-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(196,86,44,.3)}
.fit-card h3{margin:16px 0 10px}
.fit-card p{font-size:14.5px;color:var(--text-soft)}
.fit-icon{width:44px;height:44px;border-radius:13px;background:var(--primary-tint);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px}

/* ---------------- 案例证明 ---------------- */
.case-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);grid-template-rows:auto auto;gap:24px}
.case-main{grid-row:span 2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.case-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(196,86,44,.3)}
.case-main-photo{overflow:hidden}
.case-main-photo img{width:100%;height:100%;object-fit:cover;min-height:280px}
.case-main-body{padding:30px 30px 28px;display:flex;flex-direction:column;gap:14px}
.case-quote{font-size:18px;line-height:1.7;font-weight:700;color:var(--secondary)}
.case-concl{font-size:14.5px;color:var(--text-soft);padding-left:14px;border-left:2px solid var(--accent)}
.case-src{font-size:13px;color:var(--text-mute);margin-top:auto}
.case-mini{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.case-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(196,86,44,.3)}
.case-mini-photo{width:96px;height:96px;border-radius:12px;overflow:hidden;flex-shrink:0}
.case-mini-photo img{width:100%;height:100%;object-fit:cover}
.case-mini b{display:block;font-size:15.5px;line-height:1.6;margin-bottom:6px}
.case-mini p{font-size:13.5px;color:var(--text-soft);margin:0}

/* ---------------- 最新信息 ---------------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(196,86,44,.3)}
.news-thumb{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#EFE7DB,#E2D8C8);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:rgba(28,58,53,.36);font-size:20px}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-badge{align-self:flex-start;display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;background:var(--primary-tint);color:var(--primary-hover)}
.news-title{font-size:16.5px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-sum{font-size:14px;line-height:1.78;color:var(--text-soft);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-family:var(--font-num);font-size:12.5px;color:var(--text-mute)}
.news-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg)}
.news-empty p{color:var(--text-soft);font-size:15px;margin:0}

/* ---------------- FAQ ---------------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:rgba(196,86,44,.3)}
.faq-item.open{box-shadow:var(--shadow-md);border-color:rgba(196,86,44,.34)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:700;line-height:1.6;color:var(--secondary)}
.faq-q i{flex-shrink:0;color:var(--primary);transition:transform .28s ease}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 22px 22px;font-size:14.5px;line-height:1.85;color:var(--text-soft)}
.faq-item.open .faq-a{max-height:340px}

/* ---------------- CTA / 表单 ---------------- */
.cta-wrap{background:var(--secondary-deep);color:#F3EEE6;border-radius:24px;padding:56px;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;position:relative;overflow:hidden}
.cta-wrap::before{content:"";position:absolute;bottom:-140px;left:-80px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle at 40% 40%,rgba(196,86,44,.42),rgba(196,86,44,0) 70%);pointer-events:none}
.cta-left{position:relative}
.cta-left h2{color:#fff}
.cta-left p{color:rgba(243,238,230,.76);margin-top:16px;font-size:15.5px}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(243,238,230,.86)}
.cta-points i{color:var(--accent);margin-top:6px}
.form-card{position:relative;background:#fff;border-radius:var(--radius-lg);padding:30px 30px 26px;box-shadow:var(--shadow-lg)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:700;color:var(--secondary)}
.field input,.field select,.field textarea{height:48px;border:1px solid var(--line);border-radius:var(--radius-btn);padding:0 14px;background:#FDFBF8;font-size:14.5px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-mute)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(196,86,44,.14)}
.form-note{font-size:12.5px;color:var(--text-mute);margin-top:14px;line-height:1.7}
.form-tip{display:none;margin-top:14px;padding:12px 14px;border-radius:10px;background:var(--primary-tint);color:var(--primary-hover);font-size:13.5px;font-weight:600}
.form-tip.show{display:block}

/* ---------------- 页脚 ---------------- */
.site-footer{background:var(--secondary-deep);color:#EFE9DE;padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,3fr) minmax(0,3fr) minmax(0,3fr);gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-about{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(239,233,222,.7);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(239,233,222,.72);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact li{font-size:14px;color:rgba(239,233,222,.72);display:flex;gap:10px;margin-bottom:11px;line-height:1.75}
.footer-contact i{color:var(--accent);margin-top:6px;flex-shrink:0}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(239,233,222,.14);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(239,233,222,.55)}

/* ---------------- 动效 ---------------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease}
.js .reveal.in{opacity:1;transform:none}

/* ---------------- 响应式 ---------------- */
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding-top:132px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual img{aspect-ratio:16/9}
  .hero-strip-inner{grid-template-columns:1fr;gap:16px}
  .step-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .step-row.reverse .step-text{order:1}
  .step-row.reverse .step-media{order:2}
  .cap-grid{grid-template-columns:1fr;gap:32px}
  .cap-side{position:static}
  .fit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-grid{grid-template-columns:1fr}
  .case-main{grid-row:auto;grid-template-columns:1fr}
  .case-main-photo img{min-height:220px;aspect-ratio:16/9}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-grid{grid-template-columns:1fr}
  .cta-wrap{grid-template-columns:1fr;gap:32px;padding:40px 32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:767px){
  .nav-desktop{display:none}
  .menu-toggle{display:flex}
  .header-actions .btn{display:none}
  .mobile-drawer{display:block;position:fixed;top:74px;left:0;right:0;background:rgba(251,248,243,.98);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);padding:16px 20px 24px;transform:translateY(-14px);opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease;max-height:calc(100vh - 74px);overflow-y:auto}
  .mobile-drawer.open{opacity:1;transform:none;pointer-events:auto}
  .mobile-drawer a{display:block;padding:14px 4px;font-size:15.5px;font-weight:600;color:var(--secondary);border-bottom:1px solid var(--line)}
  .mobile-drawer a.active{color:var(--primary)}
  .mobile-drawer .btn{margin-top:18px}
  .fit-grid{grid-template-columns:1fr}
  .data-cards{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:639px){
  .container,.container-wide{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding-top:118px}
  .news-grid{grid-template-columns:1fr}
  .cta-wrap{padding:30px 20px;border-radius:18px}
  .form-card{padding:24px 20px 20px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .hero-actions .btn{width:100%}
  .case-mini{flex-direction:column;gap:14px}
  .case-mini-photo{width:100%;height:150px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --brand:#C4562C;
  --brand-hover:#A5451F;
  --brand-tint:#FBEDE6;
  --ink:#1C3A35;
  --ink-deep:#10231F;
  --accent:#D9A441;
  --bg:#FBF8F3;
  --bg-alt:#F3EEE6;
  --text:#1A1D1C;
  --text-2:#5C6763;
  --text-3:#8A9490;
  --border:#E5DED3;
  --white:#FFFFFF;
  --radius:16px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,35,31,.06);
  --shadow-md:0 1px 2px rgba(16,35,31,.06),0 8px 24px -12px rgba(16,35,31,.18);
  --shadow-lg:0 2px 4px rgba(16,35,31,.06),0 18px 40px -18px rgba(16,35,31,.28);
  --sidebar-w:300px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;line-height:1.35;color:var(--text)}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--brand-tint);color:var(--brand-hover)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1360px}
.mono{font-family:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;border-color:rgba(28,58,53,.35);color:var(--ink)}
.btn-ghost:hover{background:rgba(28,58,53,.06);border-color:var(--ink);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink);border-color:var(--border)}
.btn-light:hover{border-color:var(--brand);color:var(--brand-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-hover);font-weight:600;font-size:15px;border-bottom:1px solid currentColor;padding-bottom:2px;transition:color .2s ease}
.btn-text:hover{color:var(--brand)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(251,248,243,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(28,58,53,.10);
  box-shadow:0 1px 2px rgba(16,35,31,.04);
  transition:background-color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.scrolled{background:rgba(251,248,243,.97);box-shadow:var(--shadow-md);border-bottom-color:rgba(28,58,53,.14)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-0.01em}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#D9764A);color:#fff;font-size:16px;font-weight:700;
  box-shadow:var(--shadow-sm);
}
.logo-text{white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:8px;font-size:15px;color:var(--text-2);font-weight:500;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(28,58,53,.05)}
.nav-link.active{color:var(--brand-hover);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);background:#fff;
  color:var(--ink);cursor:pointer;align-items:center;justify-content:center;transition:border-color .2s ease,color .2s ease;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand-hover)}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;padding:12px 24px 24px;
  background:rgba(251,248,243,.99);border-bottom:1px solid var(--border);
}
.mobile-drawer.open{display:flex}
.mobile-drawer a{padding:12px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid rgba(229,222,211,.7)}
.mobile-drawer a.active{color:var(--brand-hover);font-weight:700}
.mobile-drawer a.btn{margin-top:14px;border-bottom:none;color:#fff}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding-top:96px;background:var(--bg)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:18px 0}
.crumb a{color:var(--text-2);transition:color .2s ease}
.crumb a:hover{color:var(--brand-hover)}
.crumb .sep{color:#C9C1B4}
.crumb .current{color:var(--brand-hover);font-weight:600}

/* ---------- 文章头图区 ---------- */
.article-hero{
  position:relative;overflow:hidden;background-color:var(--ink-deep);
  background-image:linear-gradient(115deg,rgba(16,35,31,.94),rgba(16,35,31,.80)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#F3EEE6;padding:56px 0 64px;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  border:1px solid rgba(217,164,65,.28);pointer-events:none;
}
.article-hero::before{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(217,164,65,.18);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:860px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  background:var(--brand-tint);color:var(--brand-hover);
}
.badge-on-dark{background:rgba(217,164,65,.16);color:#F0C877;border:1px solid rgba(217,164,65,.35)}
.article-hero h1{
  color:#FFFDF9;font-size:clamp(26px,3.4vw,42px);line-height:1.32;margin:20px 0 18px;font-weight:800;
}
.hero-sub{color:rgba(243,238,230,.82);font-size:16px;line-height:1.85;max-width:700px;margin:0}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:26px;font-size:13.5px;color:rgba(243,238,230,.72)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(217,164,65,.8)}
.meta-row i{color:var(--accent);margin-right:6px}

/* ---------- 文章主体布局 ---------- */
.main-wrap{padding:64px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) var(--sidebar-w);gap:48px;align-items:start}
.article-panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:40px 44px;box-shadow:var(--shadow-sm);
}
.article-body{max-width:100%;font-size:16px;line-height:1.92;color:var(--text)}
.article-body h2{
  font-size:clamp(21px,2.1vw,27px);margin:2.1em 0 .85em;padding-left:14px;
  border-left:4px solid var(--brand);border-radius:1px;
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:20px;margin:1.7em 0 .6em;color:var(--ink)}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;color:var(--text-2)}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.75em;width:8px;height:8px;border-radius:2px;background:var(--brand);opacity:.85;
}
.article-body ol{counter-reset:item}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.6em;counter-increment:item}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:.42em;width:20px;height:20px;border-radius:6px;
  background:var(--brand-tint);color:var(--brand-hover);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;line-height:1;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--brand-tint);border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;color:#5A3B2A;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.6em 0;width:100%;height:auto}
.article-body a{color:var(--brand-hover);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--border);border-radius:12px;overflow:hidden}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--border);text-align:left}
.article-body thead th{background:var(--bg-alt);color:var(--ink);font-weight:700}
.article-body tbody tr:nth-child(even){background:#FAF8F4}
.article-body tbody tr:last-child td{border-bottom:none}
.article-body code{background:var(--bg-alt);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body hr{border:none;border-top:1px solid var(--border);margin:2.4em 0}
.article-body::after{content:"";display:block;clear:both}

.empty-state{
  text-align:center;padding:56px 24px;background:var(--bg-alt);border:1px dashed var(--border);border-radius:var(--radius);
}
.empty-state i{font-size:30px;color:var(--brand);margin-bottom:14px;display:block}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* 标签与文末 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:40px;padding-top:28px;border-top:1px solid var(--border)}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;
  background:var(--bg-alt);color:var(--text-2);border:1px solid var(--border);transition:all .2s ease;
}
.tag:hover{background:var(--brand-tint);color:var(--brand-hover);border-color:rgba(196,86,44,.3);transform:translateY(-2px)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.post-nav a{
  display:block;padding:18px 20px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;
  transition:all .2s ease;
}
.post-nav a:hover{border-color:rgba(196,86,44,.35);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.post-nav .k{font-size:12.5px;color:var(--text-3);display:block;margin-bottom:6px}
.post-nav .v{font-size:15px;font-weight:600;color:var(--ink)}
.post-nav .right{text-align:right}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.side-card h3{font-size:16px;margin-bottom:16px;padding-left:12px;border-left:3px solid var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:4px;font-size:14px;max-height:340px;overflow:auto}
.toc-list a{
  display:block;padding:8px 10px;border-radius:8px;color:var(--text-2);line-height:1.6;
  transition:background-color .2s ease,color .2s ease;
}
.toc-list a:hover{background:var(--bg-alt);color:var(--brand-hover)}
.toc-list a.active{background:var(--brand-tint);color:var(--brand-hover);font-weight:600}
.side-note{background:var(--ink);color:rgba(243,238,230,.88);border-color:transparent}
.side-note h3{color:#fff;border-left-color:var(--accent)}
.side-note p{font-size:14px;line-height:1.85;color:rgba(243,238,230,.78);margin-bottom:16px}
.side-note .btn{height:44px;font-size:14px;width:100%}

/* ---------- 相关推荐 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-head{margin-bottom:38px;max-width:720px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand-hover);letter-spacing:.08em;margin-bottom:12px;
}
.section-head h2{font-size:clamp(23px,2.6vw,33px);margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:15.5px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(196,86,44,.28)}
.card-media{position:relative;aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .chip{position:absolute;left:14px;top:14px}
.chip{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(251,248,243,.94);color:var(--brand-hover);box-shadow:var(--shadow-sm);
}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18.5px;line-height:1.5}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);padding-top:6px}
.card-link{color:var(--brand-hover);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.card:hover .card-link{gap:10px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#F3EEE6;border-radius:var(--radius-lg);
  padding:52px 48px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-md);
}
.cta-band::before{
  content:"";position:absolute;left:-80px;bottom:-120px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(217,164,65,.22);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:14px}
.cta-band p{color:rgba(243,238,230,.8);font-size:15.5px;margin-bottom:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
.cta-actions .btn-light{background:transparent;border-color:rgba(243,238,230,.42);color:#F3EEE6}
.cta-actions .btn-light:hover{border-color:var(--accent);color:var(--accent);background:rgba(217,164,65,.08)}
.cta-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px}
.cta-facts div span{display:block;font-size:22px;font-weight:800;color:var(--accent)}
.cta-facts div small{font-size:13px;color:rgba(243,238,230,.7)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(243,238,230,.78);padding:72px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(243,238,230,.14)}
.site-footer .logo{color:#FFFDF9;margin-bottom:18px}
.footer-about{font-size:14px;line-height:1.9;color:rgba(243,238,230,.7);max-width:340px;margin:0}
.footer-title{font-size:14.5px;font-weight:700;color:#FFFDF9;margin-bottom:18px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(243,238,230,.72);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--accent);transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:13px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:rgba(243,238,230,.72)}
.footer-contact i{color:var(--accent);margin-top:5px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:26px;
  font-size:13px;color:rgba(243,238,230,.55);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px}
}
@media (max-width:1023px){
  .nav-desktop{display:none}
  .menu-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;order:-1;flex-direction:row;flex-wrap:wrap}
  .sidebar .side-card{flex:1 1 300px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:44px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  .header-inner{height:64px}
  .crumb-bar{padding-top:84px}
  .article-hero{padding:40px 0 48px}
  .main-wrap{padding:40px 0 64px}
  .article-panel{padding:26px 20px;border-radius:var(--radius)}
  .section{padding:64px 0}
  .card-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav .right{text-align:left}
  .cta-band{padding:36px 24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
  .cta-facts{gap:20px}
}
@media (max-width:519px){
  .container{padding:0 20px}
  body{font-size:15.5px}
  .btn{padding:0 20px;font-size:14.5px}
  .article-hero h1{font-size:24px}
  .meta-row{gap:8px 16px}
  .sidebar .side-card{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#C4562C;
  --brand-hover:#A5451F;
  --brand-tint:#FBEDE6;
  --ink:#1C3A35;
  --deep:#10231F;
  --gold:#D9A441;
  --bg:#FBF8F3;
  --bg-alt:#F3EEE6;
  --text:#1A1D1C;
  --muted:#5C6763;
  --faint:#8A9490;
  --line:#E5DED3;
  --white:#FFFFFF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(16,35,31,.06), 0 8px 24px -12px rgba(16,35,31,.18);
  --sh-2:0 2px 4px rgba(16,35,31,.08), 0 16px 36px -14px rgba(16,35,31,.24);
  --ease:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);display:block;}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.24;letter-spacing:-.01em;font-weight:800;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.34;letter-spacing:-.01em;font-weight:700;}
h3{font-size:20px;line-height:1.5;font-weight:700;}
.lead{font-size:17px;color:var(--muted);line-height:1.9;}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(251,248,243,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(28,58,53,.10);
  transition:background-color 240ms ease,box-shadow 240ms ease,border-color 240ms ease;
}
.site-header.scrolled{
  background:rgba(251,248,243,.97);
  box-shadow:0 8px 24px -16px rgba(16,35,31,.35);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;font-size:19px;color:var(--ink);flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(140deg,var(--brand),#D9782F);
  color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -8px rgba(196,86,44,.9);
}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--muted);font-weight:500;
}
.nav-link:hover{color:var(--ink);background:rgba(28,58,53,.05);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--white);color:var(--ink);
  cursor:pointer;align-items:center;justify-content:center;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand);}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;
  padding:16px 24px 24px;background:rgba(251,248,243,.98);
  border-bottom:1px solid var(--line);
}
.mobile-drawer.open{display:flex;}
.mobile-drawer a{padding:12px 14px;border-radius:var(--r-sm);color:var(--muted);font-weight:500;}
.mobile-drawer a:hover{background:rgba(28,58,53,.05);color:var(--ink);}
.mobile-drawer a.active{color:var(--brand);font-weight:700;background:var(--brand-tint);}
.mobile-drawer .btn{margin-top:8px;color:#fff;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;border-bottom:1px solid currentColor;padding-bottom:2px;}
.btn-text:hover{color:var(--brand-hover);}

/* ---------- badges / chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  background:var(--brand-tint);color:var(--brand);
}
.badge-ink{background:rgba(28,58,53,.08);color:var(--ink);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--white);font-size:14px;color:var(--muted);font-weight:600;
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-tint);}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--faint);margin-bottom:22px;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--brand);font-weight:700;}

/* ---------- hero ---------- */
.hero{padding:130px 0 72px;position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero p.lead{margin-top:20px;max-width:620px;}
.hero-media{position:relative;}
.hero-media img{
  border-radius:var(--r-lg);width:100%;height:100%;object-fit:cover;
  aspect-ratio:4/3;box-shadow:var(--sh-2);
}
.hero-media::after{
  content:"";position:absolute;inset:auto -18px -18px auto;width:120px;height:120px;
  border:2px solid var(--gold);border-radius:50%;opacity:.45;z-index:-1;
}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;margin-top:56px;
}
.stat-strip div{background:var(--white);padding:22px 20px;}
.stat-strip .num{font-size:26px;font-weight:800;color:var(--ink);line-height:1.2;}
.stat-strip .num span{font-size:14px;color:var(--brand);margin-left:4px;font-weight:700;}
.stat-strip .label{font-size:13.5px;color:var(--faint);margin-top:6px;}

/* ---------- alternating blocks ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:56px 0;}
.split + .split{border-top:1px dashed var(--line);}
.split.reverse .split-media{order:2;}
.split-media img{border-radius:var(--r-lg);box-shadow:var(--sh-1);aspect-ratio:16/11;object-fit:cover;width:100%;}
.split-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;
  font-weight:800;font-size:15px;margin-bottom:16px;
}
.split h3{margin-bottom:12px;}
.split p{color:var(--muted);}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{position:relative;padding-left:26px;color:var(--muted);font-size:15.5px;}
.check-list li::before{
  content:"";position:absolute;left:0;top:.75em;width:9px;height:9px;
  background:var(--brand);border-radius:2px;transform:translateY(-50%);
}

/* ---------- cards ---------- */
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.card:hover{border-color:rgba(196,86,44,.4);transform:translateY(-3px);box-shadow:var(--sh-2);}
.card p{color:var(--muted);font-size:15px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-tint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.card h3{margin-bottom:10px;font-size:18px;}

/* ---------- steps ---------- */
.steps{display:grid;gap:0;margin-top:8px;}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:22px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.step:last-child{border-bottom:none;}
.step-num{
  width:52px;height:52px;border-radius:14px;background:var(--white);
  border:1px solid var(--line);color:var(--brand);font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.step h3{font-size:18px;margin-bottom:6px;}
.step p{color:var(--muted);font-size:15.5px;}
.step-meta{font-size:13px;color:var(--faint);margin-top:8px;}

/* ---------- compare table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:var(--white);}
table{width:100%;border-collapse:collapse;min-width:620px;}
th,td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);}
th{background:var(--bg-alt);font-weight:700;color:var(--ink);font-size:14px;letter-spacing:.02em;}
tbody tr:nth-child(even){background:rgba(243,238,230,.55);}
tbody tr:last-child td{border-bottom:none;}
td strong{color:var(--ink);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.faq-item:hover{border-color:rgba(196,86,44,.35);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;background:transparent;border:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);
}
.faq-q i{color:var(--brand);transition:transform var(--ease);flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease;}
.faq-a p{padding:0 24px 24px;color:var(--muted);font-size:15.5px;}

/* ---------- form / cta ---------- */
.cta-panel{
  background:var(--deep);color:#F2EDE4;border-radius:var(--r-lg);
  padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;
}
.cta-panel h2{color:#fff;}
.cta-panel p{color:rgba(242,237,228,.78);}
.cta-points{margin-top:26px;display:grid;gap:14px;}
.cta-points li{position:relative;padding-left:26px;color:rgba(242,237,228,.86);font-size:15.5px;}
.cta-points li::before{content:"";position:absolute;left:0;top:.72em;width:9px;height:9px;background:var(--gold);border-radius:2px;transform:translateY(-50%);}
.form-card{background:#fff;border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-2);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--bg);color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(196,86,44,.14);
}
.form-note{font-size:13px;color:var(--faint);margin-top:12px;line-height:1.7;}
.form-msg{font-size:14px;font-weight:700;color:var(--brand);margin-top:12px;display:none;}
.form-msg.show{display:block;}

/* ---------- related cards ---------- */
.cover-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.cover-card:hover{border-color:rgba(196,86,44,.4);transform:translateY(-3px);box-shadow:var(--sh-2);}
.cover-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);}
.cover-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.cover-card:hover .thumb img{transform:scale(1.04);}
.cover-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cover-card h3{font-size:18px;}
.cover-card p{color:var(--muted);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.cover-card .more{margin-top:auto;color:var(--brand);font-weight:700;font-size:14.5px;}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:rgba(242,237,228,.8);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;}
.footer-brand .logo{color:#fff;margin-bottom:18px;}
.footer-brand .logo-mark{background:linear-gradient(140deg,var(--brand),#D9782F);}
.footer-about{font-size:14.5px;line-height:1.9;color:rgba(242,237,228,.7);max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:grid;gap:10px;font-size:14.5px;}
.footer-links a{color:rgba(242,237,228,.72);}
.footer-links a:hover{color:var(--gold);}
.footer-contact{display:grid;gap:12px;font-size:14.5px;color:rgba(242,237,228,.72);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--gold);margin-top:5px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(242,237,228,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(242,237,228,.55);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 320ms ease,transform 320ms ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-desktop{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions{margin-left:auto;}
  .hero{padding:118px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;padding:40px 0;}
  .split.reverse .split-media{order:0;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .container{padding:0 20px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .hero-media img{aspect-ratio:16/9;}
  .faq-q{font-size:15.5px;padding:18px;}
  .faq-a p{padding:0 18px 20px;}
  .cta-panel{padding:28px;gap:32px;}
  .form-card{padding:22px;}
  .step{grid-template-columns:48px 1fr;gap:16px;}
  .step-num{width:44px;height:44px;font-size:16px;border-radius:12px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr;}
  .logo-text{font-size:17px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#C4562C;
  --brand-hover:#A5451F;
  --brand-tint:#FBEDE6;
  --ink:#1C3A35;
  --ink-deep:#10231F;
  --gold:#D9A441;
  --bg:#FBF8F3;
  --bg-alt:#F3EEE6;
  --text:#1A1D1C;
  --text-2:#5C6763;
  --text-3:#8A9490;
  --line:#E5DED3;
  --radius:16px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow:0 1px 2px rgba(16,35,31,.06), 0 8px 24px -12px rgba(16,35,31,.18);
  --shadow-hover:0 2px 4px rgba(16,35,31,.08), 0 16px 34px -14px rgba(16,35,31,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:-.005em;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease, opacity .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--ink);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container-wide{max-width:1360px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform .2s ease, background-color .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#FBF8F3;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand);
  border-bottom:1px solid var(--brand);padding-bottom:2px;line-height:1.4;
}
.btn-text:hover{color:var(--brand-hover);border-bottom-color:var(--brand-hover);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(251,248,243,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(28,58,53,.10);
  transition:background-color .24s ease, box-shadow .24s ease;
}
.site-header.is-scrolled{
  background:rgba(251,248,243,.97);
  box-shadow:0 1px 2px rgba(16,35,31,.06), 0 10px 26px -18px rgba(16,35,31,.38);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:var(--brand);color:#fff;font-size:17px;font-weight:800;
  box-shadow:0 6px 16px -8px rgba(196,86,44,.9);
}
.logo-text{font-size:18px;letter-spacing:-.01em;}
.site-footer .logo-text{color:#FBF8F3;}
.site-footer .logo{color:#FBF8F3;}
.nav-desktop{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 12px;border-radius:8px;font-size:15px;color:var(--text-2);
  transition:color .2s ease, background-color .2s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(28,58,53,.05);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.7);color:var(--ink);cursor:pointer;
  transition:border-color .2s ease, color .2s ease;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand);}
.mobile-drawer{
  display:none;flex-direction:column;
  max-height:0;overflow:hidden;padding:0 24px;
  background:rgba(251,248,243,.98);
  border-top:1px solid rgba(28,58,53,.08);
  transition:max-height .28s ease, padding .28s ease;
}
.mobile-drawer.open{max-height:460px;padding:10px 24px 20px;}
.mobile-drawer a{padding:13px 2px;font-size:15px;color:var(--text-2);border-bottom:1px solid rgba(28,58,53,.07);}
.mobile-drawer a:hover{color:var(--brand);}
.mobile-drawer a.active{color:var(--brand);font-weight:700;}
.mobile-drawer .btn{margin-top:14px;border-bottom:none;color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px;}
.h2{font-size:clamp(24px,2.6vw,34px);line-height:1.35;}
.lead{font-size:16px;color:var(--text-2);margin-top:16px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;padding:136px 0 72px;overflow:hidden;
  background:
    radial-gradient(circle at 88% 10%, rgba(217,164,65,.14) 0, rgba(217,164,65,0) 46%),
    radial-gradient(circle at 6% 84%, rgba(196,86,44,.10) 0, rgba(196,86,44,0) 42%),
    var(--bg);
}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--brand);font-weight:700;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-title{font-size:clamp(30px,4.4vw,52px);line-height:1.22;margin-bottom:20px;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--text-2);
  transition:border-color .2s ease, color .2s ease, transform .2s ease;
}
.chip i{color:var(--gold);font-size:11px;}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-hover);object-fit:cover;aspect-ratio:4/3;
}
.hero-badge{
  position:absolute;left:-14px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;
}
.hero-badge .num{font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;}
.hero-badge .cap{font-size:12.5px;color:var(--text-3);line-height:1.5;}

/* ---------- 要点网格 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow);transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.card:hover{border-color:rgba(196,86,44,.35);box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.card-wide{grid-column:span 2;display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center;}
.icon-box{
  width:46px;height:46px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand);font-size:18px;flex:none;
}
.card h3{font-size:19px;margin:18px 0 10px;}
.card-wide h3{margin-top:0;}
.card p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0;}
.card-tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--brand);
  background:var(--brand-tint);border-radius:999px;padding:4px 10px;margin-bottom:12px;
}
.num-badge{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:#FBF8F3;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;flex:none;
}

/* ---------- 双列对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.compare-col.good{border-top:4px solid var(--brand);}
.compare-col.warn{border-top:4px solid var(--gold);}
.compare-col h3{font-size:20px;display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.compare-col .hint{font-size:13.5px;color:var(--text-3);margin-bottom:20px;}
.check-list li{
  display:grid;grid-template-columns:22px 1fr;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--text-2);line-height:1.75;
}
.check-list li:last-child{border-bottom:none;padding-bottom:0;}
.check-list .mark{
  width:20px;height:20px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;
  font-size:10px;margin-top:5px;
}
.good .mark{background:var(--brand-tint);color:var(--brand);}
.warn .mark{background:rgba(217,164,65,.16);color:#9A6E14;}
.check-list strong{color:var(--ink);font-weight:700;}

/* ---------- 分层步骤 ---------- */
.layer-list{display:grid;gap:16px;}
.layer{
  display:grid;grid-template-columns:64px 1fr auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;
  box-shadow:var(--shadow);transition:transform .2s ease, border-color .2s ease;
}
.layer:hover{transform:translateX(4px);border-color:rgba(196,86,44,.35);}
.layer .idx{
  font-size:24px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.layer h3{font-size:18px;margin-bottom:6px;}
.layer p{font-size:14.5px;color:var(--text-2);margin:0;}
.layer .side{
  font-size:12.5px;color:var(--text-3);border:1px solid var(--line);border-radius:999px;padding:6px 14px;white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:16.5px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item .arrow{transition:transform .24s ease;color:var(--brand);font-size:13px;flex:none;}
.faq-item[open] .arrow{transform:rotate(180deg);}
.faq-item .answer{padding:0 24px 22px;font-size:14.8px;color:var(--text-2);line-height:1.85;}

/* ---------- 相关阅读 ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.read-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(196,86,44,.35);}
.read-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);}
.read-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.read-card:hover .thumb img{transform:scale(1.04);}
.read-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.read-card .tag{align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-tint);border-radius:999px;padding:4px 10px;}
.read-card h3{font-size:17px;line-height:1.5;}
.read-card p{font-size:14px;color:var(--text-2);margin:0;}

/* ---------- CTA / 表单 ---------- */
.cta-wrap{
  background:linear-gradient(140deg,var(--ink) 0%, var(--ink-deep) 100%);
  border-radius:var(--radius-lg);padding:56px;color:#FBF8F3;
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;
  box-shadow:0 24px 60px -30px rgba(16,35,31,.7);
}
.cta-wrap h2{color:#FBF8F3;}
.cta-wrap .lead{color:rgba(251,248,243,.75);}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(251,248,243,.85);}
.cta-points i{color:var(--gold);margin-top:6px;font-size:12px;}
.apply-form{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-hover);}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.form-control{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#FDFCFA;font-size:15px;color:var(--text);transition:border-color .2s ease, box-shadow .2s ease;
}
textarea.form-control{height:auto;padding:12px 14px;resize:vertical;min-height:96px;line-height:1.7;}
.form-control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(196,86,44,.14);}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7;}
.form-msg{display:none;margin-top:14px;font-size:13.5px;color:var(--brand);font-weight:700;}
.form-msg.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(251,248,243,.78);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(251,248,243,.14);}
.footer-about{font-size:14px;color:rgba(251,248,243,.65);margin-top:18px;max-width:320px;line-height:1.85;}
.footer-title{font-size:14px;font-weight:700;color:#FBF8F3;margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(251,248,243,.68);}
.footer-links a:hover{color:var(--gold);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(251,248,243,.68);line-height:1.7;}
.footer-contact i{color:var(--gold);margin-top:6px;font-size:12px;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:13px;color:rgba(251,248,243,.5);}

/* ---------- 动效 ---------- */
html.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease, transform .32s ease;}
html.js .reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  html.js .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-desktop{display:none;}
  .menu-toggle{display:inline-flex;}
  .mobile-drawer{display:flex;}
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:-1;}
  .hero-visual img{aspect-ratio:16/9;}
  .hero-badge{left:12px;bottom:12px;}
  .point-grid{grid-template-columns:repeat(2,1fr);}
  .card-wide{grid-column:span 2;grid-template-columns:1fr;gap:14px;}
  .cta-wrap{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .read-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .page-hero{padding:112px 0 56px;}
  .compare{grid-template-columns:1fr;}
  .layer{grid-template-columns:48px 1fr;row-gap:10px;}
  .layer .side{grid-column:2;justify-self:start;}
  .read-grid{grid-template-columns:1fr;}
  .cta-wrap{padding:30px 22px;gap:32px;}
  .apply-form{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:519px){
  .container{padding:0 20px;}
  .point-grid{grid-template-columns:1fr;}
  .card-wide{grid-column:span 1;}
  .hero-actions .btn{width:100%;}
  .header-actions .btn{display:none;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --brand:#C4562C;
  --brand-hover:#A5451F;
  --brand-tint:#FBEDE6;
  --deep:#1C3A35;
  --deepest:#10231F;
  --accent:#D9A441;
  --bg:#FBF8F3;
  --bg-alt:#F3EEE6;
  --text:#1A1D1C;
  --muted:#5C6763;
  --faint:#8A9490;
  --line:#E5DED3;
  --r-sm:10px;
  --r:16px;
  --r-lg:20px;
  --sd-1:0 1px 2px rgba(16,35,31,.06), 0 8px 24px -12px rgba(16,35,31,.18);
  --sd-2:0 2px 4px rgba(16,35,31,.08), 0 16px 36px -16px rgba(16,35,31,.26);
  --sp:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.page-body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(251,248,243,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(28,58,53,.10);
  transition:background .24s ease, box-shadow .24s ease;
}
.site-header.is-scrolled{
  background:rgba(251,248,243,.97);
  box-shadow:0 1px 2px rgba(16,35,31,.06), 0 8px 24px -12px rgba(16,35,31,.18);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;letter-spacing:0;
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.nav-desktop{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--muted);transition:color .2s ease, background .2s ease;
}
.nav-link:hover{color:var(--deep);background:rgba(28,58,53,.05)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--deep);
  cursor:pointer;align-items:center;justify-content:center;transition:border-color .2s ease;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mobile-drawer{
  display:none;flex-direction:column;gap:6px;
  padding:16px 24px 24px;
  background:rgba(251,248,243,.98);
  border-top:1px solid var(--line);
}
.mobile-drawer.open{display:flex}
.mobile-drawer a{
  padding:12px 14px;border-radius:var(--r-sm);color:var(--muted);font-size:15px;
  transition:background .2s ease,color .2s ease;
}
.mobile-drawer a:hover{background:var(--bg-alt);color:var(--deep)}
.mobile-drawer a.active{color:var(--brand);font-weight:700;background:var(--brand-tint)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sd-1)}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:var(--sd-2)}
.btn-ghost{background:transparent;border-color:var(--deep);color:var(--deep)}
.btn-ghost:hover{background:var(--deep);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--brand-tint);transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{
  padding:136px 0 76px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(251,248,243,.94) 0%, rgba(243,238,230,.96) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:18px}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--brand);font-weight:700}
.eyebrow{
  display:inline-block;padding:5px 12px;border-radius:999px;margin-bottom:18px;
  background:var(--brand-tint);color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.hero-title{font-size:clamp(30px,4.4vw,52px);line-height:1.22;margin-bottom:20px}
.hero-sub{font-size:17px;color:var(--muted);max-width:620px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--muted);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sd-2);border:1px solid var(--line);background:#fff;
  aspect-ratio:16/11;
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(16,35,31,0) 55%, rgba(16,35,31,.30) 100%);
}

/* ---------- sections ---------- */
.section{padding:var(--sp) 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--deep);color:#EDE7DD}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px}
.section-lead{color:var(--muted);font-size:16px}
.section-dark .section-lead{color:#B9C7C2}
.section-num{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em;
}
.section-dark .section-num{color:var(--accent)}

/* ---------- source ---------- */
.source-grid{display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:center}
.figure-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sd-1);
}
.figure-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.figure-caption{padding:14px 20px;font-size:13px;color:var(--faint);border-top:1px solid var(--line)}
.note-list{display:grid;gap:16px}
.note-item{
  display:grid;grid-template-columns:44px 1fr;gap:16px;padding:20px 22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.note-item:hover{border-color:rgba(196,86,44,.35);transform:translateY(-2px);box-shadow:var(--sd-1)}
.note-index{
  width:44px;height:44px;border-radius:12px;background:var(--brand-tint);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-variant-numeric:tabular-nums;
}
.note-item h3{font-size:18px;margin-bottom:6px}
.note-item p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:21px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%, var(--line) 100%);
}
.tl-item{position:relative;padding-left:72px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:13px;
  background:#fff;border:1px solid var(--line);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:var(--sd-1);
}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:22px 24px;transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.tl-item:hover .tl-body{border-color:rgba(196,86,44,.35);box-shadow:var(--sd-1);transform:translateY(-2px)}
.tl-time{
  display:inline-block;margin-bottom:6px;font-size:13px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-body h3{font-size:18px;margin-bottom:6px}
.tl-body p{margin:0;font-size:14.5px;color:var(--muted)}
.timeline-wrap{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.timeline-aside{
  position:sticky;top:104px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sd-1);
}
.timeline-aside img{width:100%;aspect-ratio:4/3;object-fit:cover}
.timeline-aside .aside-body{padding:22px 24px}
.timeline-aside h3{font-size:18px;margin-bottom:8px}
.timeline-aside p{font-size:14px;color:var(--muted);margin:0}

/* ---------- rhythm ---------- */
.rhythm-rail{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;
}
.rhythm-card{padding:28px 26px;border-right:1px solid var(--line);transition:background .2s ease}
.rhythm-card:last-child{border-right:none}
.rhythm-card:hover{background:var(--bg-alt)}
.rhythm-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;margin-bottom:14px;
  background:var(--deep);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.06em;
}
.rhythm-card:nth-child(2) .rhythm-tag{background:var(--brand)}
.rhythm-card:nth-child(3) .rhythm-tag{background:var(--accent);color:#3A2A08}
.rhythm-card h3{font-size:19px;margin-bottom:10px}
.rhythm-card p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.rhythm-list{display:grid;gap:8px}
.rhythm-list li{position:relative;padding-left:18px;font-size:14px;color:var(--muted)}
.rhythm-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;background:var(--brand);
}

/* ---------- flow (dark) ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow-item{
  position:relative;padding:26px 22px;border-radius:var(--r);
  background:rgba(255,255,255,.05);border:1px solid rgba(237,231,221,.16);
  transition:background .2s ease, transform .2s ease, border-color .2s ease;
}
.flow-item:hover{background:rgba(255,255,255,.09);transform:translateY(-2px);border-color:rgba(217,164,65,.5)}
.flow-step{font-size:13px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.08em}
.flow-item h3{font-size:18px;margin:10px 0 8px;color:#fff}
.flow-item p{margin:0;font-size:14px;color:#B9C7C2}

/* ---------- pitfalls ---------- */
.pitfall-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pitfall-item{
  display:grid;grid-template-columns:36px 1fr;gap:14px;padding:22px 24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);transition:transform .2s ease, box-shadow .2s ease;
}
.pitfall-item:hover{transform:translateY(-2px);box-shadow:var(--sd-1)}
.pitfall-item i{color:var(--brand);font-size:18px;line-height:1.9}
.pitfall-item h3{font-size:17px;margin-bottom:6px}
.pitfall-item p{margin:0;font-size:14.5px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(196,86,44,.4);box-shadow:var(--sd-1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;font-size:17px;font-weight:700;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--brand-tint);color:var(--brand);
  display:grid;place-items:center;font-size:13px;transition:transform .24s ease, background .24s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-answer{padding:0 24px 22px;color:var(--muted);font-size:15px}
.faq-answer p{margin-bottom:.9em}
.faq-answer p:last-child{margin-bottom:0}

/* ---------- apply / cta ---------- */
.apply-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.apply-points{display:grid;gap:14px;margin-top:24px}
.apply-points li{display:flex;gap:12px;font-size:15px;color:var(--muted)}
.apply-points i{color:var(--brand);margin-top:6px}
.apply-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sd-1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:grid;gap:8px;margin-bottom:16px}
.form-field label{font-size:14px;font-weight:700;color:var(--deep)}
.form-field input,.form-field select,.form-field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FDFBF7;font-size:15px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(196,86,44,.14);
}
.form-note{font-size:13px;color:var(--faint);margin:14px 0 0}
.form-feedback{font-size:14px;color:var(--brand);font-weight:700;margin:12px 0 0;min-height:20px}

/* ---------- related / cards ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card:hover{border-color:rgba(196,86,44,.35);transform:translateY(-3px);box-shadow:var(--sd-2)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--brand-tint)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{
  align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:var(--brand-tint);color:var(--brand);font-size:12.5px;font-weight:700;
}
.card-body h3{font-size:18px;line-height:1.5}
.card-body p{font-size:14.5px;color:var(--muted);margin:0}
.card-more{margin-top:auto;font-size:14px;font-weight:700;color:var(--brand)}
.card:hover .card-more i{transform:translateX(4px)}
.card-more i{display:inline-block;margin-left:6px;transition:transform .2s ease}

/* ---------- footer ---------- */
.site-footer{background:var(--deepest);color:#D9E2DE;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:var(--brand)}
.footer-about{font-size:14px;color:#96A8A3;margin:18px 0 0;max-width:320px;line-height:1.8}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin:0 0 16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:#AFBFBA;transition:color .2s ease, transform .2s ease}
.footer-links a:hover{color:var(--brand-tint);transform:translateX(3px)}
.footer-contact{display:grid;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#AFBFBA;line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:5px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(217,226,222,.14);padding:22px 0 26px;
  font-size:13px;color:#859893;
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease, transform .32s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-desktop{display:none}
  .menu-toggle{display:flex}
}
@media (max-width:1023px){
  :root{--sp:72px}
  .hero{padding:120px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{aspect-ratio:16/9}
  .source-grid{grid-template-columns:1fr;gap:32px}
  .timeline-wrap{grid-template-columns:1fr;gap:36px}
  .timeline-aside{position:static}
  .flow{grid-template-columns:repeat(2,1fr)}
  .apply-grid{grid-template-columns:1fr;gap:32px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sp:60px}
  .container{padding:0 20px}
  .hero{padding:108px 0 52px}
  .hero-sub{font-size:16px}
  .rhythm-rail{grid-template-columns:1fr}
  .rhythm-card{border-right:none;border-bottom:1px solid var(--line)}
  .rhythm-card:last-child{border-bottom:none}
  .pitfall-list{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .apply-form{padding:22px}
  .tl-item{padding-left:62px}
  .tl-body{padding:18px 20px}
  .faq-item summary{font-size:16px;padding:18px 20px}
  .faq-answer{padding:0 20px 18px}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .hero-chips{gap:8px}
  .chip{font-size:12.5px;padding:6px 12px}
  .header-inner{height:64px}
  .logo-text{font-size:16px}
  .footer-bottom{font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --brand:#C4562C;
  --brand-hover:#A5451F;
  --brand-tint:#FBEDE6;
  --ink:#1C3A35;
  --ink-deep:#10231F;
  --gold:#D9A441;
  --bg:#FBF8F3;
  --bg-alt:#F3EEE6;
  --t1:#1A1D1C;
  --t2:#5C6763;
  --t3:#8A9490;
  --line:#E5DED3;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,35,31,.06), 0 8px 24px -12px rgba(16,35,31,.18);
  --shadow-lg:0 2px 4px rgba(16,35,31,.08), 0 16px 40px -16px rgba(16,35,31,.24);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-tight{padding:72px 0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-ghost{border:1px solid var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#FBF8F3;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;
  border-bottom:1px solid rgba(196,86,44,.4);padding-bottom:2px;
}
.btn-text:hover{color:var(--brand-hover);border-color:var(--brand-hover)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(251,248,243,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(28,58,53,.10);
  box-shadow:0 1px 2px rgba(16,35,31,.04);
  transition:background-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{
  background:rgba(251,248,243,.97);
  box-shadow:0 8px 24px -14px rgba(16,35,31,.28);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--gold));
  color:#fff;font-size:16px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.logo-text{font-size:18px;color:var(--t1)}
.nav-desktop{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:15px;color:var(--t2);padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);color:var(--ink);font-size:17px;
  align-items:center;justify-content:center;background:#fff;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;
  background:rgba(251,248,243,.98);
  border-top:1px solid rgba(28,58,53,.10);
  padding:14px 20px 22px;
}
.mobile-drawer.open{display:flex}
.mobile-drawer a{
  padding:12px 4px;font-size:15px;color:var(--t2);
  border-bottom:1px solid rgba(28,58,53,.07);
}
.mobile-drawer a.active{color:var(--brand);font-weight:700}
.mobile-drawer .btn{margin-top:14px;border-bottom:none;color:#fff;padding:0 24px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:150px 0 72px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.28}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(251,248,243,.97) 0%,rgba(251,248,243,.86) 46%,rgba(251,248,243,.55) 100%);
}
.hero-inner{position:relative;z-index:1;max-width:820px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--t3);margin-bottom:20px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--brand);font-weight:600}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;font-weight:800;letter-spacing:-.01em;color:var(--ink-deep);
}
.hero-lead{margin-top:20px;font-size:17px;color:var(--t2);max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:14px;color:var(--t2);
  transition:all .2s ease;
}
.chip:hover{border-color:rgba(196,86,44,.5);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.chip i{color:var(--gold);font-size:12px}

/* ---------- 通用区头 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:800;
  letter-spacing:-.01em;color:var(--ink-deep);
}
.section-head p{margin-top:14px;color:var(--t2);font-size:16px}

/* ---------- 数据卡 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.metric-card:hover{border-color:rgba(196,86,44,.35);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.metric-value{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:34px;font-weight:700;color:var(--brand);line-height:1.1;
}
.metric-value small{font-size:15px;font-weight:600;color:var(--t2);margin-left:4px}
.metric-label{margin-top:10px;font-size:14.5px;color:var(--t2)}
.metric-note{
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--t3);
}

/* ---------- 图文块 ---------- */
.media-row{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.media-row.reverse{direction:rtl}
.media-row.reverse > *{direction:ltr}
.media-figure{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid var(--line);background:#fff;
}
.media-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-copy h3{font-size:22px;font-weight:700;color:var(--ink-deep);margin-bottom:14px}
.media-copy p{color:var(--t2);margin-bottom:14px}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;color:var(--t2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.68em;
  width:9px;height:9px;border-radius:3px;background:var(--gold);
}
.check-list li strong{color:var(--t1);font-weight:600}

/* ---------- 表格 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.table-scroll{overflow-x:auto}
table.data-table{width:100%;border-collapse:collapse;min-width:760px}
.data-table thead th{
  background:var(--ink);color:#F6F2EA;font-size:14px;font-weight:600;
  text-align:left;padding:16px 20px;letter-spacing:.02em;white-space:nowrap;
}
.data-table tbody td{
  padding:16px 20px;font-size:14.5px;color:var(--t2);
  border-bottom:1px solid var(--line);vertical-align:top;
}
.data-table tbody tr:nth-child(even){background:#FCFAF6}
.data-table tbody tr:hover{background:var(--brand-tint)}
.data-table tbody tr:last-child td{border-bottom:none}
.data-table td strong{color:var(--t1);font-weight:600;display:block;margin-bottom:2px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
}
.badge-brand{background:var(--brand-tint);color:var(--brand-hover)}
.badge-ink{background:rgba(28,58,53,.08);color:var(--ink)}
.badge-gold{background:rgba(217,164,65,.16);color:#8A6415}
.badge-line{border:1px solid var(--line);color:var(--t2);background:#fff}

/* ---------- 分级卡 ---------- */
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.level-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-sm);transition:all .2s ease;
}
.level-card:hover{border-color:rgba(196,86,44,.35);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.level-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;background:var(--ink-deep);color:#F6F2EA;
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;font-weight:700;
  margin-bottom:14px;
}
.level-card h3{font-size:18px;font-weight:700;color:var(--ink-deep);margin-bottom:10px}
.level-card p{font-size:14.5px;color:var(--t2)}
.level-card .level-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(196,86,44,.4);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--t1);
}
.faq-q:hover{color:var(--brand)}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .25s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  padding:0 22px;color:var(--t2);font-size:14.8px;
}
.faq-item.open .faq-a{padding-bottom:22px}

/* ---------- CTA 表单 ---------- */
.cta-wrap{
  background:var(--ink-deep);border-radius:var(--r-lg);padding:56px;
  display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;
  position:relative;overflow:hidden;
}
.cta-wrap::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
  border:1px solid rgba(217,164,65,.25);border-radius:50%;
}
.cta-copy{position:relative;z-index:1;color:#EFEAE0}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:#fff;line-height:1.35}
.cta-copy p{margin-top:16px;color:rgba(239,234,224,.78);font-size:15.5px}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(239,234,224,.85)}
.cta-points i{color:var(--gold);margin-top:5px;font-size:13px}
.form-card{
  position:relative;z-index:1;background:#fff;border-radius:var(--r-card);
  padding:30px;box-shadow:var(--shadow-lg);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--t1);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#FCFAF6;
  padding:0 14px;font-size:15px;color:var(--t1);font-family:inherit;
  transition:border-color .2s ease,background-color .2s ease;
}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.form-note{margin-top:12px;font-size:13px;color:var(--t3);line-height:1.7}

/* ---------- 相关阅读 ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.read-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:all .2s ease;
}
.read-card:hover{border-color:rgba(196,86,44,.35);transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.read-card .thumb{aspect-ratio:16/9;overflow:hidden}
.read-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.read-card:hover .thumb img{transform:scale(1.04)}
.read-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.read-body h3{font-size:17.5px;font-weight:700;color:var(--ink-deep);line-height:1.5}
.read-body p{font-size:14.2px;color:var(--t2);flex:1}
.read-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.read-card:hover .read-more{color:var(--brand-hover)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:#D8D3C8;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo-text{color:#FBF8F3}
.footer-about{margin-top:16px;font-size:14px;color:rgba(216,211,200,.72);line-height:1.8;max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(216,211,200,.76)}
.footer-links a:hover{color:var(--gold)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(216,211,200,.76);align-items:flex-start;line-height:1.7}
.footer-contact i{color:var(--gold);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(216,211,200,.6);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-desktop{display:none}
  .menu-toggle{display:inline-flex}
  .section{padding:72px 0}
  .hero{padding:132px 0 56px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .media-row{grid-template-columns:1fr;gap:28px}
  .media-row.reverse{direction:ltr}
  .level-grid{grid-template-columns:1fr 1fr}
  .faq-list{grid-template-columns:1fr}
  .cta-wrap{grid-template-columns:1fr;padding:40px 32px}
  .read-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .header-inner{height:64px}
  .header-actions .btn{display:none}
  .hero{padding:118px 0 48px}
  .hero-actions .btn{width:100%}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .section-head{margin-bottom:32px}
  .form-row{grid-template-columns:1fr}
  .read-grid{grid-template-columns:1fr}
  .level-grid{grid-template-columns:1fr}
}
@media (max-width:519px){
  .metric-grid{grid-template-columns:1fr}
  .cta-wrap{padding:30px 20px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .container{padding:0 18px}
}