/* roulang page: index */
:root{
  --brand-900:#0B3A30;
  --brand-700:#12564A;
  --brand-500:#1E7C64;
  --accent:#E1541F;
  --accent-600:#C4460F;
  --accent-soft:#FFD9C2;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --dark:#0B3A30;
  --ink:#14201D;
  --ink-2:#4C5B56;
  --ink-3:#84938E;
  --line:#E3DED3;
  --r-card:16px;
  --r-btn:10px;
  --shadow:0 1px 2px rgba(11,58,48,.05), 0 14px 32px -18px rgba(11,58,48,.22);
  --shadow-hover:0 2px 6px rgba(11,58,48,.07), 0 24px 46px -20px rgba(11,58,48,.32);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:var(--accent-soft);color:var(--accent-600)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.sec-title{position:relative;font-size:30px;font-weight:800;line-height:1.3;color:var(--brand-900);padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--accent)}
.sec-desc{margin-top:10px;color:var(--ink-2);font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--brand-700);background:rgba(30,124,100,.1);padding:6px 14px;border-radius:999px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:13px 24px;transition:all .2s ease;border:1.5px solid transparent;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(225,84,31,.9)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn-ghost{border-color:var(--brand-700);color:var(--brand-700);background:transparent}
.btn-ghost:hover{background:rgba(30,124,100,.1)}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-light:hover{background:#F0FBF7;transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:14px}
.text-link i{transition:transform .2s ease}
.text-link:hover i{transform:translateX(4px)}
.text-link:hover{color:var(--accent-600)}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 10px 28px -22px rgba(11,58,48,.55)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,var(--brand-700),var(--brand-500));color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:.5px}
.brand-text{font-size:17px;font-weight:800;color:var(--brand-900);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;padding:10px 15px;font-size:15px;color:var(--ink-2);border-radius:8px;transition:color .18s ease,background .18s ease}
.nav-link:hover{color:var(--brand-700);background:var(--bg)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:15px;right:15px;bottom:1px;height:2px;border-radius:2px;background:var(--accent)}
.nav-right{display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:7px;font-size:15px;color:var(--ink-2);padding:10px 14px;border-radius:8px;transition:all .18s ease}
.mega-trigger:hover{color:var(--brand-700);background:var(--bg)}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:780px;background:#fff;border-radius:16px;border-top:8px solid var(--accent);box-shadow:0 30px 60px -30px rgba(11,58,48,.45);padding:26px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .15s ease,transform .15s ease,visibility .15s;z-index:90}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-cols{display:grid;grid-template-columns:1fr 1.15fr;gap:26px}
.mega-label{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--ink-3);margin-bottom:12px}
.mega-list a{display:block;position:relative;padding:9px 12px 9px 16px;border-radius:8px;font-size:14.5px;color:var(--ink-2);transition:all .16s ease}
.mega-list a::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:transparent;transition:background .16s ease}
.mega-list a:hover{background:var(--bg);color:var(--brand-700)}
.mega-list a:hover::before{background:var(--accent)}
.mega-mini{display:flex;gap:12px;align-items:center;padding:9px;border-radius:12px;transition:background .16s ease}
.mega-mini:hover{background:var(--bg)}
.mega-mini img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex-shrink:0}
.mega-mini span{display:block;font-size:14px;line-height:1.45;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-mini time{font-size:12px;color:var(--ink-3);display:block;margin-top:4px}
.mega-foot{margin-top:22px;background:var(--bg);border-radius:12px;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.mega-foot p{font-size:13.5px;color:var(--ink-2)}
.mega-foot .go{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;flex-shrink:0;transition:background .18s ease}
.mega-foot:hover .go{background:var(--accent-600)}
.hamburger{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);color:var(--brand-900);place-items:center;font-size:17px}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 22px}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:13px 4px;font-size:15.5px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.mobile-drawer a:last-child{border-bottom:none}
.mobile-drawer a.active{color:var(--brand-700);font-weight:700}
.mobile-drawer .drawer-cta{margin-top:16px;width:100%}

/* ---------- hero ---------- */
.hero{padding:72px 0 0;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--brand-700);background:#fff;border:1px solid var(--line);padding:7px 15px;border-radius:999px;box-shadow:0 6px 16px -14px rgba(11,58,48,.5)}
.hero-badge i{color:var(--accent)}
.hero h1{margin-top:22px;font-size:clamp(30px,3.6vw,46px);line-height:1.25;font-weight:800;color:var(--brand-900);letter-spacing:-.5px}
.hero-sub{margin-top:20px;font-size:17.5px;line-height:1.8;color:var(--ink-2);max-width:560px}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.trust-bar{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-bar li{font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:8px}
.trust-bar li i{color:var(--brand-500);font-size:14px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px;background:var(--line);box-shadow:var(--shadow)}
.hero-stat{position:absolute;right:-14px;bottom:-18px;background:#fff;border-radius:16px;padding:16px 20px;box-shadow:var(--shadow-hover);border-left:4px solid var(--accent);min-width:186px}
.hero-stat b{display:block;font-family:ui-monospace,"DIN Alternate",monospace;font-size:26px;color:var(--brand-700);line-height:1.15}
.hero-stat span{font-size:12.5px;color:var(--ink-3)}

/* ---------- pain points ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pain-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;transition:all .25s ease}
.pain-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.pain-icon{width:46px;height:46px;border-radius:12px;background:rgba(225,84,31,.1);color:var(--accent);display:grid;place-items:center;font-size:18px;margin-bottom:18px}
.pain-card h3{font-size:19px;font-weight:700;color:var(--brand-900);margin-bottom:10px}
.pain-card p{font-size:14.5px;color:var(--ink-2)}

/* ---------- solution ---------- */
.sol-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.sol-col{display:flex;flex-direction:column;gap:24px}
.sol-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:all .25s ease;display:flex;flex-direction:column}
.sol-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.sol-card .thumb{position:relative;overflow:hidden;background:var(--line)}
.sol-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.sol-card:hover .thumb img{transform:scale(1.04)}
.sol-card-lg .thumb{aspect-ratio:16/9}
.sol-card .body{padding:24px}
.sol-card h3{font-size:20px;font-weight:700;color:var(--brand-900);margin-bottom:10px}
.sol-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px}
.sol-sm .thumb{aspect-ratio:3/2}
.sol-sm .body{padding:20px}
.sol-sm h3{font-size:18px}
.sol-wide{grid-column:1 / -1;flex-direction:row;align-items:stretch}
.sol-wide .thumb{width:42%;flex-shrink:0;aspect-ratio:auto}
.sol-wide .body{padding:32px;display:flex;flex-direction:column;justify-content:center}

/* ---------- stats band ---------- */
.stats-band{position:relative;background:var(--dark);color:#fff;padding:76px 0;overflow:hidden}
.arc-deco{position:absolute;right:-70px;bottom:-90px;width:340px;height:340px;pointer-events:none}
.arc-deco::before,.arc-deco::after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.09)}
.arc-deco::before{inset:0}
.arc-deco::after{inset:70px}
.stats-head{max-width:640px;margin-bottom:44px}
.stats-head h2{font-size:30px;font-weight:800;line-height:1.3}
.stats-head p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2}
.stat-item{border-left:1px solid rgba(255,255,255,.14);padding-left:22px}
.stat-item b{display:block;font-family:ui-monospace,"DIN Alternate",monospace;font-size:clamp(30px,3.2vw,42px);line-height:1.1;color:#fff}
.stat-item b em{font-style:normal;font-size:16px;color:var(--accent);margin-left:6px;font-family:inherit}
.stat-item span{display:block;margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.7)}

/* ---------- testimonials ---------- */
.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:34px;box-shadow:var(--shadow);position:relative}
.voice-card.offset{margin-top:26px}
.voice-quote{font-family:Georgia,serif;font-size:56px;line-height:1;color:var(--accent-soft);margin-bottom:6px}
.voice-card p{font-size:15.5px;color:var(--ink-2);line-height:1.85;margin-bottom:24px}
.voice-person{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:20px}
.voice-person img{width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--line)}
.voice-person b{display:block;font-size:14.5px;color:var(--brand-900)}
.voice-person span{font-size:12.5px;color:var(--ink-3)}

/* ---------- latest / cms list ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{font-size:13px;padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);transition:all .18s ease}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700)}
.chip.is-on{background:var(--accent-soft);border-color:var(--accent-soft);color:var(--accent-600);font-weight:600}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.list-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:all .25s ease}
.list-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.list-card-media{display:block;overflow:hidden;background:var(--line);aspect-ratio:3/2}
.list-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.list-card:hover .list-card-media img{transform:scale(1.04)}
.list-card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.badge{display:inline-block;font-size:11.5px;font-weight:600;padding:4px 11px;border-radius:999px;background:var(--accent-soft);color:var(--accent-600);align-self:flex-start}
.list-card h3{font-size:18px;font-weight:700;color:var(--brand-900);line-height:1.5;margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-card h3 a:hover{color:var(--brand-500)}
.list-card .excerpt{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px}
.list-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:16px}
.list-card-foot time{font-size:12.5px;color:var(--ink-3)}
.list-card-foot i{color:var(--brand-700);transition:transform .2s ease}
.list-card:hover .list-card-foot i{transform:translateX(4px);color:var(--accent)}
.list-empty{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:54px 24px;text-align:center}
.list-empty .ico{width:56px;height:56px;border-radius:50%;background:rgba(30,124,100,.1);color:var(--brand-500);display:grid;place-items:center;margin:0 auto 16px;font-size:20px}
.list-empty p{color:var(--ink-2);font-size:15px;margin-bottom:14px}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .2s ease}
.faq-item[open]{box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:16px;font-weight:600;color:var(--brand-900)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:400;color:var(--accent);line-height:1;flex-shrink:0}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- cta ---------- */
.cta-band{background:var(--brand-700);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:2}
.cta-copy h2{font-size:30px;font-weight:800;line-height:1.3}
.cta-copy p{margin-top:16px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78)}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{font-size:14.5px;color:rgba(255,255,255,.85);display:flex;gap:10px;align-items:flex-start}
.cta-points i{color:var(--accent);margin-top:5px}
.cta-form{background:#fff;border-radius:18px;padding:32px;color:var(--ink);box-shadow:0 30px 60px -34px rgba(0,0,0,.45)}
.cta-form h3{font-size:19px;font-weight:700;color:var(--brand-900);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;height:48px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:0 14px;font-size:14.5px;transition:all .18s ease}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(225,84,31,.14)}
.check-row{display:flex;align-items:flex-start;gap:9px;margin:6px 0 20px}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--accent);flex-shrink:0}
.check-row span{font-size:12.5px;color:var(--ink-3);line-height:1.6}
.cta-form .btn{width:100%}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:68px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-brand span{font-size:16.5px;font-weight:800;color:#fff}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.5px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease}
.footer-links a:hover{color:var(--accent)}
.site-footer p.about{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:12.5px;color:rgba(255,255,255,.5)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links,.mega-wrap{display:none}
  .hamburger{display:grid}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media img{aspect-ratio:16/9}
  .hero-stat{right:12px;bottom:-16px}
  .trust-bar{grid-template-columns:repeat(2,1fr);gap:14px}
  .pain-grid{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:1fr}
  .sol-wide{flex-direction:column}
  .sol-wide .thumb{width:100%;aspect-ratio:16/9}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .voice-grid{grid-template-columns:1fr}
  .voice-card.offset{margin-top:0}
  .list-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:60px 0}
  .section-sm{padding:48px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .sec-title{font-size:24px}
  .hero{padding:44px 0 0}
  .hero-sub{font-size:16px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1;min-width:150px}
  .hero-stat{position:static;margin-top:-40px;width:100%;max-width:260px;border-radius:14px}
  .stats-head h2{font-size:24px}
  .stats-grid{grid-template-columns:1fr;gap:26px}
  .stat-item{padding-left:16px}
  .list-grid{grid-template-columns:1fr}
  .voice-card{padding:26px}
  .cta-copy h2{font-size:24px}
  .cta-form{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mega-panel{display:none}
}
@media (max-width:519px){
  .brand-text{font-size:15px}
  .trust-bar{grid-template-columns:1fr}
  .pain-card{padding:22px}
  .sol-card .body{padding:20px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B3A30;
  --brand-700:#12564A;
  --brand-500:#1E7C64;
  --accent:#E1541F;
  --accent-600:#C4460F;
  --accent-soft:#FFD9C2;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --dark:#0B3A30;
  --ink:#14201D;
  --ink-2:#4C5B56;
  --ink-3:#84938E;
  --line:#E3DED3;
  --radius-card:16px;
  --radius-hero:24px;
  --shadow:0 1px 2px rgba(11,58,48,.05),0 14px 32px -18px rgba(11,58,48,.22);
  --shadow-lg:0 2px 6px rgba(11,58,48,.07),0 26px 48px -22px rgba(11,58,48,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{max-width:1240px;margin:0 auto;padding:0 32px;width:100%}
.mono{font-family:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,monospace}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px -16px rgba(11,58,48,.4)}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--brand-700);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:.5px;
}
.brand-text{font-weight:800;font-size:17px;color:var(--brand-900);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;font-size:15px;color:var(--ink-2);border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--brand-700);background:var(--bg)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--accent);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-item{position:relative}
.nav-trigger{background:none}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:760px;
  background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);
  padding:22px 24px 16px;border-top:8px solid var(--accent);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:26px}
.mega-title{font-size:12px;letter-spacing:.08em;color:var(--ink-3);font-weight:700;margin:0 0 10px}
.mega-list{list-style:none;margin:0;padding:0}
.mega-list a{
  display:flex;align-items:center;height:40px;padding:0 12px;border-left:3px solid transparent;
  font-size:14px;color:var(--ink-2);border-radius:0 8px 8px 0;transition:all .15s ease;
}
.mega-list a:hover{background:var(--bg);border-left-color:var(--accent);color:var(--brand-700)}
.mega-mini{display:flex;gap:12px;align-items:flex-start;padding:8px;border-radius:10px;transition:background .15s ease}
.mega-mini:hover{background:var(--bg)}
.mega-mini img{width:64px;height:48px;object-fit:cover;border-radius:8px;background:var(--bg);flex-shrink:0}
.mega-mini span{font-size:13.5px;line-height:1.5;color:var(--ink);display:block}
.mega-mini em{font-style:normal;font-size:12px;color:var(--ink-3)}
.mega-cta{
  margin-top:18px;background:var(--bg);border-radius:12px;padding:14px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.mega-cta p{margin:0;font-size:14px;color:var(--ink-2)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;background:var(--bg);color:var(--brand-700);align-items:center;justify-content:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(225,84,31,.9)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn-ghost{border:1.5px solid var(--brand-700);color:var(--brand-700);background:transparent}
.btn-ghost:hover{background:rgba(30,124,100,.08)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:var(--accent-soft);color:var(--accent-600)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-700);font-weight:600;font-size:14.5px}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.5;
}
.badge-accent{background:var(--accent-soft);color:var(--accent-600)}
.badge-green{background:rgba(30,124,100,.12);color:var(--brand-700)}

/* ---------- Hero ---------- */
.hero-narrow{position:relative;overflow:hidden;background:var(--brand-700);min-height:276px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,58,48,.94) 0%,rgba(11,58,48,.72) 48%,rgba(18,86,74,.55) 100%)}
.hero-inner{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:36px;padding-top:62px;padding-bottom:48px}
.hero-copy{max-width:720px}
.hero-copy h1{color:#fff;font-size:clamp(28px,3.4vw,42px);line-height:1.28;font-weight:800;margin:14px 0 14px;letter-spacing:.2px}
.hero-copy p{color:rgba(255,255,255,.86);font-size:17px;line-height:1.8;margin:0;max-width:640px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);white-space:nowrap}
.breadcrumb a:hover{color:#fff}
.breadcrumb .current{color:#fff}

/* ---------- 区块 ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--dark);padding:72px 0;color:#fff;position:relative;overflow:hidden}
.section-dark::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12);box-shadow:0 0 0 40px rgba(255,255,255,.05);
  pointer-events:none;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:44px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.4vw,30px);font-weight:800;margin:0 0 10px;color:var(--brand-900);position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;background:var(--accent)}
.section-head p{margin:0;color:var(--ink-2);font-size:15.5px;max-width:620px}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D6D0C2}
.card-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--bg)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{margin:0;font-size:18px;font-weight:700;color:var(--ink);line-height:1.45}
.card-body p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.72}
.card-foot{margin-top:auto;padding-top:6px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}

/* ---------- 侧栏 ---------- */
.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:22px}
.side-card h3{margin:0 0 14px;font-size:16px;font-weight:700;color:var(--brand-900)}
.side-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.side-nav a{display:block;padding:10px 12px;border-radius:8px;font-size:14.5px;color:var(--ink-2);transition:all .15s ease;border-left:3px solid transparent}
.side-nav a:hover{background:var(--bg);border-left-color:var(--accent);color:var(--brand-700)}
.side-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.side-points li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.side-points i{color:var(--accent);margin-top:5px;font-size:12px}
.side-contact{background:var(--brand-700);color:#fff;border:0}
.side-contact h3{color:#fff}
.side-contact p{color:rgba(255,255,255,.82);font-size:14px;margin:0 0 18px;line-height:1.75}
.side-contact .row{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.9);margin-bottom:10px}

/* ---------- 流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;position:relative;height:100%}
.step .num{
  width:38px;height:38px;border-radius:10px;background:rgba(30,124,100,.1);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:16px;
}
.step h3{margin:0 0 8px;font-size:17px;font-weight:700;color:var(--ink)}
.step p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ---------- 指标带 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2}
.metric{padding-right:20px;border-right:1px solid rgba(255,255,255,.16)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:38px;line-height:1.1;font-weight:800;color:#fff;font-family:ui-monospace,"DIN Alternate",Menlo,monospace}
.metric strong span{font-size:18px;margin-left:4px;color:var(--accent-soft);font-family:inherit;font-weight:600}
.metric p{margin:8px 0 0;font-size:14px;color:rgba(255,255,255,.72);line-height:1.6}

/* ---------- 要点清单 ---------- */
.point-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 32px;list-style:none;margin:0;padding:0}
.point-list li{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.point-list .idx{
  width:34px;height:34px;flex-shrink:0;border-radius:9px;background:var(--bg);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
  font-family:ui-monospace,Menlo,monospace;
}
.point-list h3{margin:0 0 4px;font-size:15.5px;font-weight:700}
.point-list p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;font-size:16px;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:700;line-height:1;flex-shrink:0}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary{background:#FCFAF5}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 38px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-band h2{margin:0 0 8px;font-size:22px;font-weight:800;color:var(--brand-900)}
.cta-band p{margin:0;color:var(--ink-2);font-size:15px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 表单 ---------- */
.form-field label{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:6px;font-weight:600}
.form-field input,.form-field select{
  width:100%;height:48px;border:1px solid var(--line);border-radius:10px;padding:0 14px;
  background:#fff;font-size:15px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease;
}
.form-field input:focus,.form-field select:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(225,84,31,.12);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--accent)}
.site-footer .about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin:0}
.site-footer h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:700}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-links a:hover{color:var(--accent-soft)}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.footer-contact i{color:var(--accent-soft);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .mega-panel{width:640px}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .nav-right .btn{display:none}
  .site-header.menu-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:0;right:0;top:72px;background:#fff;padding:16px 20px 24px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .site-header.menu-open .nav-link{padding:12px 10px;font-size:16px}
  .site-header.menu-open .nav-link.active::after{left:10px;right:auto;width:22px}
  .mega-panel{position:static;opacity:1;visibility:visible;transform:none;width:auto;box-shadow:none;border-top:0;padding:0;display:none}
  .site-header.menu-open .mega-panel{display:block;padding:8px 0 4px 10px}
  .mega-grid{grid-template-columns:1fr}
  .mega-col-right,.mega-cta{display:none}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr);gap:28px}
  .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:18px}
  .metric:nth-child(3),.metric:nth-child(4){border-bottom:0;padding-bottom:0}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px}
}
@media (max-width:767px){
  .section{padding:60px 0}
  .section-dark{padding:56px 0}
  .hero-inner{flex-direction:column;align-items:flex-start;gap:20px;padding-top:44px;padding-bottom:40px}
  .hero-copy p{font-size:15.5px}
  .section-head{margin-bottom:30px}
  .point-list{grid-template-columns:1fr}
  .cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media (max-width:520px){
  .step-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .metric{border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:16px}
  .metric:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:15px}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: article */
:root{
    --brand-900:#0B3A30;
    --brand-700:#12564A;
    --brand-500:#1E7C64;
    --accent:#E1541F;
    --accent-600:#C4460F;
    --accent-soft:#FFD9C2;
    --bg:#F6F3EC;
    --surface:#FFFFFF;
    --dark:#0B3A30;
    --ink:#14201D;
    --ink-2:#4C5B56;
    --ink-3:#84938E;
    --line:#E3DED3;
    --radius-card:16px;
    --radius-hero:24px;
    --radius-btn:10px;
    --shadow-sm:0 1px 2px rgba(11,58,48,.05), 0 14px 32px -18px rgba(11,58,48,.22);
    --shadow-lg:0 2px 4px rgba(11,58,48,.06), 0 22px 48px -20px rgba(11,58,48,.30);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
  button{font:inherit;cursor:pointer;}
  ul,ol{list-style:none;margin:0;padding:0;}
  h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px;}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
  ::-webkit-scrollbar{width:10px;height:10px;}
  ::-webkit-scrollbar-thumb{background:#C9C2B4;border-radius:6px;}
  ::-webkit-scrollbar-track{background:#EFEAE0;}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}

  /* ---------- 头部与导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
  .site-header.scrolled{box-shadow:0 8px 24px -18px rgba(11,58,48,.38);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
  .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--brand-900);white-space:nowrap;}
  .brand-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--brand-700);color:#fff;font-size:14px;font-weight:800;letter-spacing:.5px;flex:0 0 auto;}
  .nav-links{display:flex;align-items:center;gap:2px;}
  .nav-link{position:relative;padding:0 14px;line-height:72px;font-size:15px;font-weight:500;color:var(--ink-2);}
  .nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:15px;height:2px;border-radius:2px;background:transparent;transition:background .18s ease;}
  .nav-link:hover{color:var(--brand-700);}
  .nav-link:hover::after{background:var(--accent);}
  .nav-link.active{color:var(--brand-700);font-weight:700;}
  .nav-link.active::after{background:var(--accent);}
  .header-actions{display:flex;align-items:center;gap:10px;}
  .mega-wrap{position:relative;display:flex;align-items:center;height:72px;}
  .mega-trigger{display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 14px;border:1px solid transparent;border-radius:10px;background:transparent;font-size:15px;font-weight:500;color:var(--ink-2);}
  .mega-trigger:hover{background:var(--bg);color:var(--brand-700);}
  .mega-trigger i{font-size:11px;transition:transform .18s ease;}
  .mega-wrap:hover .mega-trigger i{transform:rotate(180deg);}
  .mega-panel{
    position:absolute;right:0;top:100%;width:min(820px,calc(100vw - 48px));
    background:#fff;border:1px solid var(--line);border-radius:16px;
    box-shadow:0 2px 4px rgba(11,58,48,.06),0 30px 60px -26px rgba(11,58,48,.38);
    padding:30px 26px 0;opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .15s ease,transform .15s ease,visibility .15s;overflow:hidden;
  }
  .mega-panel::before{content:"";position:absolute;left:26px;right:26px;top:0;height:4px;border-radius:0 0 4px 4px;background:var(--accent);}
  .mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
  .mega-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:32px;}
  .mega-title{font-size:12px;font-weight:700;color:var(--ink-3);letter-spacing:1px;margin-bottom:12px;}
  .mega-links li a{display:block;line-height:40px;padding:0 12px;border-left:3px solid transparent;border-radius:8px;font-size:14.5px;color:var(--ink-2);}
  .mega-links li a:hover{background:var(--bg);border-left-color:var(--accent);color:var(--brand-700);}
  .mega-item{display:flex;gap:12px;align-items:center;padding:10px;border-radius:12px;}
  .mega-item:hover{background:var(--bg);}
  .mega-item img{width:64px;height:48px;object-fit:cover;border-radius:8px;background:#EFEAE0;flex:0 0 auto;}
  .mega-item strong{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .mega-item em{display:block;font-style:normal;font-size:12.5px;color:var(--ink-3);margin-top:3px;}
  .mega-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:20px -26px 0;padding:16px 26px;background:var(--bg);border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-2);}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border:1.5px solid transparent;border-radius:var(--radius-btn);font-size:15px;font-weight:600;transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease;}
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 12px 26px -14px rgba(225,84,31,.8);}
  .btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);}
  .btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:transparent;}
  .btn-outline:hover{background:rgba(30,124,100,.08);transform:translateY(-1px);}
  .btn-light{background:#fff;color:var(--brand-900);}
  .btn-light:hover{background:#F0EBE0;transform:translateY(-1px);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}
  .btn-block{width:100%;}

  .text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);}
  .text-link i{font-size:12px;transition:transform .18s ease;}
  .text-link:hover i{transform:translateX(4px);}

  /* ---------- 移动端导航 ---------- */
  .mnav-input{display:none;}
  .hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;}
  .hamburger span{display:block;width:18px;height:2px;margin:0 auto;background:var(--brand-900);border-radius:2px;}
  .mnav-drawer{display:none;border-top:1px solid var(--line);background:#fff;}
  .mnav-input:checked ~ .mnav-drawer{display:block;}
  .mnav-drawer .mnav-inner{padding:14px 20px 22px;}
  .mnav-drawer a{display:block;padding:13px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line);}
  .mnav-drawer a:last-of-type{border-bottom:0;}
  .mnav-drawer a:hover{color:var(--brand-700);}
  .mnav-drawer .mnav-cta{margin-top:14px;}

  /* ---------- 面包屑与文章头 ---------- */
  .article-wrap{padding:0 0 88px;}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:26px 0 4px;}
  .breadcrumb a{color:var(--ink-3);}
  .breadcrumb a:hover{color:var(--brand-700);}
  .breadcrumb .sep{color:#C6BFB1;}
  .breadcrumb .current{color:var(--ink);max-width:560px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .article-head{padding:18px 0 0;}
  .head-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
  .badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap;}
  .badge-green{background:rgba(30,124,100,.12);color:var(--brand-700);}
  .badge-orange{background:var(--accent-soft);color:var(--accent-600);}
  .article-title{font-size:clamp(26px,3.4vw,42px);line-height:1.28;max-width:1000px;}
  .article-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:18px;font-size:13px;color:var(--ink-3);}
  .article-meta span{display:inline-flex;align-items:center;gap:7px;}
  .article-meta i{color:var(--brand-500);font-size:12px;}
  .article-cover{margin:28px 0 0;max-width:960px;border-radius:var(--radius-card);overflow:hidden;background:#EFEAE0;aspect-ratio:16/9;}
  .article-cover img{width:100%;height:100%;object-fit:cover;}

  /* ---------- 正文布局 ---------- */
  .article-layout{display:flex;gap:48px;align-items:flex-start;justify-content:center;margin-top:44px;}
  .article-body{flex:1 1 auto;min-width:0;max-width:780px;}
  .article-sidebar{flex:0 0 260px;width:260px;position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}

  .article-body{font-size:17px;line-height:1.9;color:var(--ink-2);}
  .article-body > *:first-child{margin-top:0;}
  .article-body p{margin:1.2em 0;}
  .article-body h2{font-size:26px;line-height:1.42;color:var(--ink);font-weight:700;margin:2.4rem 0 .9rem;padding-left:14px;position:relative;}
  .article-body h2::before{content:"";position:absolute;left:0;top:.36em;width:4px;height:.95em;border-radius:2px;background:var(--accent);}
  .article-body h3{font-size:20px;line-height:1.5;color:var(--ink);font-weight:700;margin:1.9rem 0 .7rem;}
  .article-body h4{font-size:17px;color:var(--ink);margin:1.5rem 0 .6rem;}
  .article-body ul,.article-body ol{margin:1.2em 0;padding-left:1.5em;}
  .article-body ul li{list-style:disc;margin:.5em 0;line-height:1.85;}
  .article-body ol li{list-style:decimal;margin:.5em 0;line-height:1.85;}
  .article-body strong{color:var(--ink);font-weight:700;}
  .article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
  .article-body a:hover{color:var(--accent);}
  .article-body blockquote{margin:1.5em 0;padding:16px 20px;background:#F1EDE3;border-left:4px solid var(--accent);border-radius:0 12px 12px 0;color:var(--ink);}
  .article-body blockquote p{margin:.4em 0;}
  .article-body img{width:100%;height:auto;border-radius:12px;margin:1.4em 0;}
  .article-body figure{margin:1.4em 0;}
  .article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
  .article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;line-height:1.7;}
  .article-body thead th{background:#F1EDE3;color:var(--ink);font-weight:700;}
  .article-body tbody tr:nth-child(even){background:#FAF8F3;}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

  .empty-state{max-width:560px;margin:8px auto 0;padding:56px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);text-align:center;box-shadow:var(--shadow-sm);}
  .empty-icon{width:64px;height:64px;border-radius:50%;background:rgba(30,124,100,.1);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;color:var(--brand-700);font-size:24px;}
  .empty-title{font-size:19px;font-weight:700;color:var(--ink);}
  .empty-desc{font-size:14.5px;color:var(--ink-3);margin:10px 0 22px;line-height:1.8;}

  .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-sm);}
  .side-card h3{font-size:16px;margin-bottom:10px;}
  .side-card p{font-size:14px;color:var(--ink-2);line-height:1.8;}
  .side-card .btn{margin-top:16px;}
  .side-list{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);}
  .side-list li{display:flex;gap:9px;font-size:13.5px;color:var(--ink-3);margin-bottom:10px;line-height:1.6;}
  .side-list li:last-child{margin-bottom:0;}
  .side-list i{color:var(--brand-500);margin-top:4px;}
  .side-links li a{display:block;padding:9px 0;font-size:14px;color:var(--ink-2);border-bottom:1px dashed var(--line);}
  .side-links li:last-child a{border-bottom:0;}
  .side-links li a:hover{color:var(--brand-700);padding-left:4px;}

  /* ---------- 文末区 ---------- */
  .article-foot{max-width:780px;margin:44px auto 0;}
  .article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:26px;border-top:1px solid var(--line);}
  .tags-label{font-size:13px;color:var(--ink-3);margin-right:2px;}
  .tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);}
  .tag:hover{border-color:var(--brand-500);color:var(--brand-700);}
  .share-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
  .share-btn{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--ink-2);}
  .share-btn:hover{border-color:var(--accent);color:var(--accent-600);}

  .author-card{display:flex;align-items:center;gap:18px;margin-top:32px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);}
  .author-avatar{width:56px;height:56px;border-radius:16px;background:var(--brand-700);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex:0 0 auto;}
  .author-card h4{font-size:16px;margin-bottom:6px;}
  .author-card p{font-size:14px;color:var(--ink-2);line-height:1.8;}
  .author-card .btn{margin-left:auto;flex:0 0 auto;}

  /* ---------- 相关推荐 ---------- */
  .section{padding:88px 0;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;}
  .section-head h2{font-size:clamp(23px,2.5vw,30px);line-height:1.4;}
  .section-head p{font-size:14.5px;color:var(--ink-3);margin-top:8px;}
  .rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .rec-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 .25s ease,box-shadow .25s ease;}
  .rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
  .rec-thumb{aspect-ratio:3/2;background:#EFEAE0;overflow:hidden;}
  .rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
  .rec-card:hover .rec-thumb img{transform:scale(1.04);}
  .rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .rec-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .rec-body p{font-size:14px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .rec-body .text-link{margin-top:auto;padding-top:6px;}

  /* ---------- CTA ---------- */
  .cta-band{background:var(--brand-900);color:#fff;padding:64px 0;position:relative;overflow:hidden;}
  .cta-band::after{content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;border:1px solid rgba(255,255,255,.09);box-shadow:0 0 0 60px rgba(255,255,255,.045);}
  .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
  .cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.45;}
  .cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;max-width:620px;line-height:1.85;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;}
  .site-footer .brand-mark{background:rgba(255,255,255,.14);}
  .site-footer .about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
  .site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;}
  .footer-links li{margin-bottom:12px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
  .footer-links a:hover{color:var(--accent);}
  .footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:14px;line-height:1.7;}
  .footer-contact i{color:var(--accent);margin-top:5px;}
  .footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.55);}

  @media (max-width:1279px){
    .article-sidebar{display:none;}
    .article-layout{justify-content:flex-start;}
  }
  @media (max-width:1023px){
    .nav-links{display:none;}
    .hamburger{display:flex;}
    .mega-wrap{display:none;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .rec-grid{grid-template-columns:repeat(2,1fr);}
    .section{padding:64px 0;}
  }
  @media (max-width:640px){
    .container{padding:0 20px;}
    .header-inner{height:64px;}
    .brand{font-size:15px;}
    .brand-mark{width:34px;height:34px;border-radius:10px;font-size:13px;}
    .header-actions .btn{display:none;}
    .article-wrap{padding-bottom:60px;}
    .breadcrumb .current{max-width:100%;white-space:normal;}
    .article-body{font-size:16.5px;line-height:1.85;}
    .article-body h2{font-size:22px;margin-top:2rem;}
    .article-body h3{font-size:18.5px;}
    .article-cover{aspect-ratio:16/10;}
    .rec-grid{grid-template-columns:1fr;}
    .author-card{flex-direction:column;align-items:flex-start;}
    .author-card .btn{margin-left:0;}
    .footer-grid{grid-template-columns:1fr;gap:32px;}
    .footer-bottom{flex-direction:column;}
    .cta-inner{flex-direction:column;align-items:flex-start;}
    .section{padding:56px 0;}
  }

/* roulang page: category2 */
:root{
    --brand-900:#0B3A30;
    --brand-700:#12564A;
    --brand-500:#1E7C64;
    --accent:#E1541F;
    --accent-600:#C4460F;
    --accent-soft:#FFD9C2;
    --bg:#F6F3EC;
    --surface:#FFFFFF;
    --dark:#0B3A30;
    --ink:#14201D;
    --ink-2:#4C5B56;
    --ink-3:#84938E;
    --line:#E3DED3;
    --radius-card:16px;
    --radius-btn:10px;
    --shadow-sm:0 1px 2px rgba(11,58,48,.05);
    --shadow-md:0 1px 2px rgba(11,58,48,.05),0 14px 32px -18px rgba(11,58,48,.22);
    --shadow-lg:0 1px 2px rgba(11,58,48,.06),0 26px 52px -22px rgba(11,58,48,.34);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  .page-body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  .page-body img{max-width:100%;height:auto;display:block}
  .page-body a{color:inherit;text-decoration:none}
  .page-body ul,.page-body ol{list-style:none;margin:0;padding:0}
  .page-body h1,.page-body h2,.page-body h3,.page-body h4,.page-body p{margin:0}
  .page-body button{font:inherit;cursor:pointer}

  .shell{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
  @media (max-width:520px){.shell{padding:0 20px}}

  /* ============ 导航 ============ */
  .site-header{position:sticky;top:0;z-index:80;background:var(--surface);border-bottom:1px solid var(--line)}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
  .brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
  .brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;font-weight:800;font-size:15px;display:grid;place-items:center;letter-spacing:.5px;box-shadow:var(--shadow-sm)}
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-name{font-size:17px;font-weight:800;color:var(--brand-900);letter-spacing:.2px}
  .brand-tag{font-size:11px;color:var(--ink-3);letter-spacing:.6px}

  .nav-links{display:flex;align-items:center;gap:2px}
  .nav-link{position:relative;padding:10px 14px;font-size:15px;color:var(--ink-2);border-radius:10px;transition:color .18s ease,background-color .18s ease}
  .nav-link:hover{color:var(--brand-700);background:var(--bg)}
  .nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  .nav-link.active{color:var(--brand-700);font-weight:700}
  .nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--accent)}

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

  .mega-wrap{position:relative}
  .mega-trigger{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:10px;border:1px solid transparent;background:transparent;color:var(--ink-2);font-size:15px;transition:color .18s,background-color .18s}
  .mega-trigger:hover{color:var(--brand-700);background:var(--bg)}
  .mega-trigger i{font-size:11px;color:var(--ink-3)}
  .mega-panel{
    position:absolute;top:calc(100% + 16px);right:0;width:780px;background:#fff;border-radius:16px;
    box-shadow:var(--shadow-lg);padding:26px 26px 0;opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .16s ease,transform .16s ease,visibility .16s ease;
  }
  .mega-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:8px;border-radius:16px 16px 0 0;background:var(--accent)}
  .mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
  .mega-cols{display:grid;grid-template-columns:1fr 1.1fr;gap:26px;padding-top:8px}
  .mega-title{font-size:12px;font-weight:700;letter-spacing:1.4px;color:var(--ink-3);margin-bottom:10px}
  .mega-link{display:block;line-height:40px;padding:0 12px;border-left:3px solid transparent;border-radius:0 8px 8px 0;font-size:15px;color:var(--ink-2);transition:background-color .16s,color .16s,border-color .16s}
  .mega-link:hover{background:var(--bg);color:var(--brand-700);border-left-color:var(--accent)}
  .mega-card{display:flex;gap:12px;align-items:flex-start;padding:8px;border-radius:12px;transition:background-color .16s}
  .mega-card:hover{background:var(--bg)}
  .mega-card img{width:64px;height:48px;object-fit:cover;border-radius:8px;background:#E7E2D8;flex-shrink:0}
  .mega-card-body{display:flex;flex-direction:column;gap:4px}
  .mega-card-body strong{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .mega-card-body em{font-style:normal;font-size:12px;color:var(--ink-3)}
  .mega-foot{margin-top:22px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0 18px}
  .mega-foot span{font-size:13px;color:var(--ink-2)}
  .mega-arrow{width:34px;height:34px;border-radius:999px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:13px;transition:background-color .18s,transform .18s}
  .mega-arrow:hover{background:var(--accent-600);transform:translateX(2px)}

  .nav-toggle{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
  .nav-burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);color:var(--brand-700);place-items:center;font-size:16px;cursor:pointer}
  .mobile-drawer{max-height:0;overflow:hidden;background:#fff;transition:max-height .3s ease;border-top:1px solid transparent}
  #navToggle:checked ~ .mobile-drawer{max-height:660px;border-top-color:var(--line)}
  .drawer-inner{padding:12px 32px 26px}
  .drawer-link{display:block;padding:14px 4px;font-size:16px;color:var(--ink-2);border-bottom:1px solid var(--line)}
  .drawer-link.active{color:var(--brand-700);font-weight:700}
  .drawer-sub{padding:18px 4px 8px}
  .drawer-sub a{display:block;padding:8px 0;font-size:14px;color:var(--ink-2)}
  .drawer-cta{margin-top:14px;width:100%}

  @media (max-width:1023px){
    .nav-links{display:none}
    .mega-wrap{display:none}
    .cta-desktop{display:none}
    .nav-burger{display:grid}
    .brand-tag{display:none}
  }
  @media (min-width:1024px){
    .mobile-drawer{display:none}
  }

  /* ============ 通用组件 ============ */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease}
  .btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 12px 24px -14px rgba(225,84,31,.85)}
  .btn-primary:hover{background:var(--accent-600);transform:translateY(-1px)}
  .btn-ghost{background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700)}
  .btn-ghost:hover{background:rgba(18,86,74,.08);transform:translateY(-1px)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px}

  .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.5}
  .badge-soft{background:var(--accent-soft);color:var(--accent-600)}
  .badge-green{background:rgba(30,124,100,.12);color:var(--brand-700)}

  .link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-700);font-weight:600;font-size:15px}
  .link-arrow i{font-size:12px;transition:transform .2s ease}
  .link-arrow:hover i{transform:translateX(4px)}
  .link-arrow:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

  .eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.6px;color:var(--accent-600)}

  .section{padding:96px 0}
  .section-tint{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  @media (max-width:768px){.section{padding:62px 0}}

  .section-title{position:relative;padding-left:18px;font-size:clamp(24px,2.4vw,32px);font-weight:800;line-height:1.3;color:var(--brand-900)}
  .section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--accent)}
  .section-desc{margin-top:16px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:760px}

  /* ============ Hero ============ */
  .cat-hero{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line);padding:56px 0 68px}
  .hero-title{margin-top:18px;font-size:clamp(30px,3.6vw,44px);line-height:1.25;font-weight:800;color:var(--brand-900);letter-spacing:-.4px}
  .hero-lead{margin-top:18px;font-size:17px;line-height:1.9;color:var(--ink-2);max-width:560px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .hero-facts{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
  .hero-facts li{display:flex;align-items:center;gap:8px}
  .hero-facts i{color:var(--brand-500);font-size:12px}
  .hero-media{border-radius:24px;overflow:hidden;background:#E7E2D8;box-shadow:var(--shadow-md)}
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

  /* ============ 叙事行 ============ */
  .story-media{border-radius:20px;overflow:hidden;background:#E7E2D8;box-shadow:var(--shadow-md)}
  .story-media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .45s ease}
  .story-media:hover img{transform:scale(1.04)}
  .story-title{margin-top:14px;font-size:22px;font-weight:800;line-height:1.4;color:var(--brand-900)}
  .story-text{margin-top:16px;font-size:16px;line-height:1.9;color:var(--ink-2)}
  .points{margin-top:18px;display:grid;gap:10px}
  .points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
  .points li i{color:var(--brand-500);font-size:13px;margin-top:6px}

  /* ============ 时间轴 ============ */
  .timeline{position:relative;margin-top:14px}
  .timeline::before{content:"";position:absolute;left:25px;top:22px;bottom:22px;width:2px;background:var(--line)}
  .timeline li{position:relative;display:grid;grid-template-columns:52px 1fr;gap:22px;padding:14px 0}
  .tl-num{width:52px;height:52px;border-radius:16px;background:var(--brand-700);color:#fff;display:grid;place-items:center;font-family:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;font-size:15px;font-weight:700;letter-spacing:.6px;position:relative;z-index:1;box-shadow:var(--shadow-sm)}
  .tl-title{margin-top:13px;font-size:18px;font-weight:700;color:var(--brand-900)}
  .tl-text{margin-top:8px;font-size:15px;line-height:1.85;color:var(--ink-2)}
  @media (max-width:520px){
    .timeline li{grid-template-columns:44px 1fr;gap:16px}
    .tl-num{width:44px;height:44px;border-radius:14px;font-size:13px}
    .timeline::before{left:21px}
  }

  /* ============ 引言卡 ============ */
  .quote-card{position:relative;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-md);transition:box-shadow .22s ease,transform .22s ease}
  .quote-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
  .quote-mark{font-family:Georgia,"Times New Roman",serif;font-size:60px;line-height:.9;color:var(--accent-soft)}
  .quote-text{margin-top:8px;font-size:17px;line-height:1.9;color:var(--ink)}
  .quote-person{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
  .quote-person img{width:40px;height:40px;border-radius:50%;object-fit:cover;background:#E7E2D8}
  .quote-person strong{display:block;font-size:14px;color:var(--brand-900)}
  .quote-person span{display:block;font-size:12px;color:var(--ink-3)}

  /* ============ FAQ ============ */
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
  .faq-item[open]{box-shadow:var(--shadow-md);border-color:rgba(18,86,74,.3)}
  .faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--brand-900);cursor:pointer;list-style:none}
  .faq-q::-webkit-details-marker{display:none}
  .faq-q::after{content:"+";font-size:22px;font-weight:400;line-height:1;color:var(--accent);transition:transform .2s ease}
  .faq-item[open] .faq-q::after{content:"−"}
  .faq-a{padding:0 24px 22px;font-size:15px;line-height:1.88;color:var(--ink-2)}

  /* ============ CTA ============ */
  .cta-band{position:relative;padding:80px 0;color:#fff;background:var(--brand-900) url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
  .cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,58,48,.95) 0%,rgba(11,58,48,.8) 100%)}
  .cta-inner{position:relative;z-index:1}
  .cta-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.35;color:#fff}
  .cta-text{margin-top:16px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.82);max-width:520px}
  .cta-list{margin-top:24px;display:grid;gap:12px}
  .cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.85)}
  .cta-list i{color:var(--accent-soft);font-size:13px;margin-top:6px}
  .form-card{background:#fff;border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-lg);color:var(--ink)}
  .form-title{font-size:18px;font-weight:800;color:var(--brand-900)}
  .form-note{margin-top:6px;font-size:13px;color:var(--ink-3)}
  .field-label{display:block;margin-bottom:8px;font-size:13px;font-weight:600;color:var(--ink-2)}
  .field{width:100%;height:48px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:0 14px;font-size:15px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease}
  .field:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(225,84,31,.16)}
  textarea.field{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
  .check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7}
  .check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--accent);flex-shrink:0}
  .form-submit{width:100%;margin-top:4px}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 28px;font-size:14px}
  .footer-grid{display:grid;gap:36px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}}
  .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
  .site-footer .brand-mark{background:rgba(255,255,255,.14);box-shadow:none}
  .site-footer .about{line-height:1.9;color:rgba(255,255,255,.72)}
  .site-footer h4{margin:0 0 16px;font-size:15px;font-weight:700;color:#fff}
  .footer-links li + li{margin-top:10px}
  .footer-links a{transition:color .18s ease}
  .footer-links a:hover{color:var(--accent)}
  .footer-links a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
  .footer-contact li{display:flex;gap:10px;margin-bottom:12px;line-height:1.7;color:rgba(255,255,255,.75)}
  .footer-contact i{color:var(--accent);font-size:13px;margin-top:5px}
  .footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}

/* roulang page: category3 */
:root{
  --brand-900:#0B3A30;
  --brand-700:#12564A;
  --brand-500:#1E7C64;
  --accent:#E1541F;
  --accent-600:#C4460F;
  --accent-soft:#FFD9C2;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --dark:#0B3A30;
  --ink:#14201D;
  --ink-2:#4C5B56;
  --ink-3:#84938E;
  --line:#E3DED3;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(11,58,48,.05), 0 14px 32px -18px rgba(11,58,48,.22);
  --shadow-lg:0 2px 4px rgba(11,58,48,.06), 0 22px 44px -20px rgba(11,58,48,.30);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

body .container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease, background-color .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -12px rgba(225,84,31,.75)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700)}
.btn-ghost:hover{background:rgba(30,124,100,.10);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:#F0F7F4;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand-700);font-size:15px}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.6;
}
.badge-accent{background:var(--accent-soft);color:var(--accent-600)}
.badge-brand{background:rgba(30,124,100,.12);color:var(--brand-700)}
.badge-outline{background:#fff;color:var(--brand-700);border:1px solid var(--line)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px -20px rgba(11,58,48,.45)}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;transition:height .2s ease;
}
.site-header.is-scrolled .nav-bar{height:60px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-700);color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:17px;font-weight:800;color:var(--brand-900)}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.6px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;
  font-size:15px;font-weight:600;color:var(--ink-2);border-radius:8px;
  transition:color .18s ease, background-color .18s ease;
}
.nav-link:hover{color:var(--brand-700);background:var(--bg)}
.nav-link.active{color:var(--brand-700)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--accent);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-item-mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--ink-2);background:transparent;border:0;cursor:pointer;
  transition:color .18s ease, background-color .18s ease;
}
.mega-trigger:hover,.mega-trigger:focus-visible{color:var(--brand-700);background:var(--bg)}
.mega-panel{
  position:absolute;top:calc(100% + 16px);right:0;width:800px;max-width:88vw;
  background:#fff;border-radius:16px;padding:24px 26px 18px;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .15s ease, transform .15s ease, visibility .15s ease;
}
.mega-panel::before{
  content:"";position:absolute;top:0;left:26px;right:26px;height:3px;background:var(--accent);border-radius:3px;
}
.nav-item-mega:hover .mega-panel,
.nav-item-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:26px}
.mega-title{font-size:12px;font-weight:800;color:var(--ink-3);letter-spacing:1px;margin-bottom:10px}
.mega-list a{
  display:block;height:40px;line-height:40px;padding:0 12px;border-radius:8px;
  font-size:14px;color:var(--ink-2);border-left:3px solid transparent;
  transition:background-color .18s ease, color .18s ease, border-color .18s ease;
}
.mega-list a:hover{background:var(--bg);color:var(--brand-700);border-left-color:var(--accent)}
.mega-cards{display:flex;flex-direction:column;gap:12px}
.mega-card{display:flex;gap:12px;align-items:center;padding:8px;border-radius:12px;transition:background-color .18s ease}
.mega-card:hover{background:var(--bg)}
.mega-card img{width:64px;height:48px;object-fit:cover;border-radius:8px;background:var(--line)}
.mega-card span{font-size:14px;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-card time{display:block;font-size:12px;color:var(--ink-3);font-weight:400;margin-top:2px}
.mega-foot{
  margin-top:18px;padding:12px 16px;border-radius:12px;background:var(--bg);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.mega-foot p{font-size:13px;color:var(--ink-2)}
.mega-foot a{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--accent)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);font-size:18px;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:8px 0 20px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer ul{display:flex;flex-direction:column}
.mobile-drawer a{
  display:block;padding:14px 4px;font-size:15px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--brand-700);border-left:3px solid var(--accent);padding-left:12px}
.mobile-drawer .btn{margin-top:16px;width:100%}

/* ============ Hero 紧凑横条 ============ */
.hero-compact{
  position:relative;overflow:hidden;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  padding:44px 0 40px;
}
.hero-compact::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(18,86,74,.14) 1px, transparent 1px);
  background-size:18px 18px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.85), transparent 82%);
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,.85), transparent 82%);
  pointer-events:none;
}
.hero-compact::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--line);
}
.hero-top{position:relative;display:flex;align-items:flex-start;justify-content:space-between;gap:32px;flex-wrap:wrap}
.hero-compact h1{font-size:clamp(28px,3.2vw,42px);line-height:1.25;max-width:760px}
.hero-compact h1 .hl{color:var(--brand-700)}
.hero-lead{margin-top:14px;max-width:720px;font-size:16px;color:var(--ink-2);line-height:1.85}
.hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.crumb{font-size:13px;color:var(--ink-3);white-space:nowrap;padding-top:8px}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{margin:0 6px;color:var(--line)}
.crumb .cur{color:var(--ink)}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.4vw,30px);position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--accent);
}
.section-head .sub{font-size:15px;color:var(--ink-2);margin-top:8px;padding-left:16px;max-width:720px}

/* ============ 高密度信息列表 ============ */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.info-row{
  display:flex;align-items:flex-start;gap:16px;padding:20px 14px;
  border-bottom:1px solid var(--line);border-radius:10px;
  transition:background-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.info-row:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-1px)}
.info-index{
  flex-shrink:0;width:40px;height:40px;border-radius:10px;
  background:var(--brand-700);color:#fff;font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;
  font-family:ui-monospace,"DIN Alternate",Menlo,monospace;
}
.info-body{flex:1;min-width:0}
.info-title{display:block;font-size:17px;font-weight:700;color:var(--ink);margin-bottom:4px}
.info-desc{display:block;font-size:14px;color:var(--ink-2);line-height:1.7}
.info-arrow{flex-shrink:0;color:var(--ink-3);padding-top:10px;transition:color .2s ease, transform .2s ease}
.info-row:hover .info-arrow{color:var(--accent);transform:translateX(4px)}

/* ============ 数据 / 规格卡 ============ */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.spec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.spec-num{
  font-family:ui-monospace,"DIN Alternate",Menlo,monospace;
  font-size:34px;font-weight:700;color:var(--brand-700);line-height:1.1;
  display:flex;align-items:baseline;gap:4px;
}
.spec-num em{font-style:normal;font-size:15px;color:var(--accent);font-weight:700}
.spec-label{margin-top:10px;font-size:14px;color:var(--ink-2)}

/* ============ 图文区块 ============ */
.feature-block{
  display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;
  box-shadow:var(--shadow);
}
.feature-media{position:relative;height:100%;min-height:340px;background:var(--bg)}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.feature-body{padding:44px 44px 44px 0}
.feature-body h2{font-size:clamp(22px,2.2vw,28px)}
.feature-body p{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.steps{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.step{display:flex;gap:14px;align-items:flex-start}
.step i{color:var(--accent);margin-top:5px;font-size:14px}
.step strong{display:block;font-size:15px;color:var(--ink)}
.step span{font-size:14px;color:var(--ink-2)}

/* ============ 深色数据带 ============ */
.dark-band{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:72px 0}
.dark-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);box-shadow:0 0 0 60px rgba(255,255,255,.04);
  pointer-events:none;
}
.dark-band h2{color:#fff;font-size:clamp(22px,2.2vw,28px)}
.dark-band .sub{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;max-width:640px}
.dark-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;position:relative;z-index:1}
.dark-stat{border-left:2px solid rgba(225,84,31,.85);padding-left:18px}
.dark-stat .num{
  font-family:ui-monospace,"DIN Alternate",Menlo,monospace;
  font-size:32px;font-weight:700;color:#fff;line-height:1.15;
}
.dark-stat .unit{font-size:14px;color:var(--accent-soft);margin-left:2px}
.dark-stat .txt{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease, border-color .2s ease;
}
.faq-item[open]{box-shadow:var(--shadow);border-color:#CFE0D9}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:28px;height:28px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg);color:var(--brand-700);font-size:18px;font-weight:700;
  transition:background-color .2s ease, color .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--accent);color:#fff}
.faq-item summary:hover{color:var(--brand-700)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ============ CTA + 表单 ============ */
.cta-band{background:var(--brand-700);color:#fff;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;left:-60px;top:-90px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);box-shadow:0 0 0 48px rgba(255,255,255,.04);
  pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:72px 0}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.35}
.cta-inner .cta-desc{color:rgba(255,255,255,.78);font-size:15.5px;margin-top:14px;line-height:1.85}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.86)}
.cta-points i{color:var(--accent-soft);margin-top:5px;font-size:13px}
.form-card{background:#fff;border-radius:20px;padding:32px;box-shadow:var(--shadow-lg);color:var(--ink)}
.form-card h3{font-size:20px}
.form-card .form-tip{font-size:13.5px;color:var(--ink-3);margin-top:6px}
.form-row{margin-top:18px}
.form-row label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:8px}
.form-row input,.form-row textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.form-row textarea{height:auto;padding:12px 14px;resize:vertical;min-height:96px;line-height:1.7}
.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(225,84,31,.16);
}
.form-card .btn{width:100%;margin-top:22px}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:17px;font-weight:800;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--accent);color:#fff}
.site-footer .about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a,.footer-contact span{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-link{padding:10px 10px;font-size:14.5px}
  .mega-panel{width:680px}
}
@media (max-width:1023px){
  body .container{padding-left:24px;padding-right:24px}
  .nav-links,.nav-right .btn{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-right{gap:8px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:1fr;gap:0}
  .feature-block{grid-template-columns:1fr;gap:0}
  .feature-media{min-height:240px}
  .feature-media img{aspect-ratio:16/9}
  .feature-body{padding:32px 28px 36px}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:60px 0}
  .dark-stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  body .container{padding-left:20px;padding-right:20px}
  .hero-compact{padding:32px 0 30px}
  .hero-meta{gap:8px}
  .section{padding:56px 0}
  .section-head{margin-bottom:26px}
  .info-row{padding:16px 10px;gap:12px}
  .info-index{width:36px;height:36px;font-size:13px}
  .spec-grid{grid-template-columns:1fr}
  .dark-stats{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn{width:100%}
  .hero-meta .btn{width:auto}
  .link-arrow{font-size:14.5px}
}