/* roulang page: index */
:root{
  --c-primary:#123F36;
  --c-primary-deep:#0C2E28;
  --c-accent:#C1743C;
  --c-accent-soft:#EBD9C8;
  --c-mint:#2FA98C;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD2;
  --c-ink:#1B2420;
  --c-ink-2:#5C6660;
  --c-ink-3:#8A928C;
  --c-danger:#B4472F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(18,63,54,.06);
  --sh-2:0 14px 34px -14px rgba(18,63,54,.22);
  --sp-section:96px;
  --t:180ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-lock{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--c-ink)}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1280px}}
.section{padding:var(--sp-section) 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--c-surface)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(47,169,140,.22);
}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:9999}
.skip-link:focus{left:0;color:#fff}

/* ---------- topbar ---------- */
.topbar{background:var(--c-primary);color:#F6F3EC;font-size:13px;line-height:1}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px}
.topbar span{opacity:.9}
.topbar-left{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.topbar-right{display:flex;align-items:center;gap:14px}
.topbar a{color:#F6F3EC;opacity:.86}
.topbar a:hover{color:#fff;opacity:1;text-decoration:underline;text-underline-offset:4px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:background var(--t),box-shadow var(--t),border-color var(--t)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}
.site-header.is-stuck{background:var(--c-primary);border-bottom-color:rgba(255,255,255,.12);box-shadow:0 12px 30px -20px rgba(0,0,0,.55)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;flex-shrink:0}
.brand-mark .hex{fill:none;stroke:var(--c-primary);stroke-width:2.2}
.brand-mark .cut{stroke:var(--c-accent);stroke-width:2.2;fill:none}
.brand-name{font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap;transition:color var(--t)}
.brand:hover .brand-name{color:var(--c-accent)}
.site-header.is-stuck .brand-name{color:#F6F3EC}
.site-header.is-stuck .brand-mark .hex{stroke:#F6F3EC}
.site-header.is-stuck .brand-mark .cut{stroke:var(--c-accent)}
.nav-desktop{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:15px;color:var(--c-ink-2);font-weight:500;position:relative;transition:color var(--t)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.site-header.is-stuck .nav-link{color:rgba(246,243,236,.86)}
.site-header.is-stuck .nav-link:hover,.site-header.is-stuck .nav-link.active{color:#fff}

/* mega */
.mega-wrap{position:relative;margin-left:6px}
.mega-btn{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border:1px solid var(--c-line);border-radius:999px;background:var(--c-bg);color:var(--c-primary);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--t)}
.mega-btn:hover{background:var(--c-accent-soft);border-color:var(--c-accent)}
.mega-btn .fa-chevron-down{font-size:11px;transition:transform var(--t)}
.mega-wrap.open .mega-btn .fa-chevron-down{transform:rotate(180deg)}
.site-header.is-stuck .mega-btn{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#F6F3EC}
.mega-panel{position:absolute;top:calc(100% + 16px);right:0;width:720px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity var(--t),transform var(--t),visibility var(--t);overflow:hidden;z-index:1050}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-panel::before{content:"";display:block;height:3px;background:var(--c-primary)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.mega-col{padding:22px}
.mega-col + .mega-col{border-left:1px solid var(--c-line)}
.mega-title{font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.04em;margin-bottom:12px}
.mega-list li a{display:block;padding:9px 12px;border-radius:8px;font-size:14.5px;color:var(--c-ink-2);transition:all var(--t)}
.mega-list li a:hover{background:var(--c-bg);color:var(--c-primary);padding-left:16px}
.mega-card{display:flex;gap:12px;padding:10px;border-radius:10px;border:1px solid transparent;transition:all var(--t)}
.mega-card:hover{border-color:var(--c-line);background:var(--c-bg);box-shadow:var(--sh-1)}
.mega-card img{width:78px;height:58px;object-fit:cover;border-radius:8px;flex-shrink:0}
.mega-card .mc-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.mega-card .mc-title{font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-badge{align-self:flex-start;font-size:11.5px;padding:2px 9px;border-radius:999px;background:var(--c-accent-soft);color:#7A4620;font-weight:600}

/* mobile nav */
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-bg);color:var(--c-primary);font-size:18px;align-items:center;justify-content:center;cursor:pointer;transition:all var(--t)}
.nav-toggle:hover{background:var(--c-accent-soft)}
.site-header.is-stuck .nav-toggle{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#F6F3EC}
.drawer-backdrop{position:fixed;inset:0;background:rgba(12,46,40,.5);opacity:0;visibility:hidden;transition:all var(--t);z-index:1040}
.drawer-backdrop.open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;width:320px;max-width:86vw;height:100%;background:var(--c-surface);z-index:1050;transform:translateX(100%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;box-shadow:-20px 0 50px -30px rgba(0,0,0,.5)}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--c-line)}
.drawer-head .brand-name{font-size:16px;white-space:normal;line-height:1.4}
.drawer-close{width:40px;height:40px;border:none;background:var(--c-bg);border-radius:10px;color:var(--c-primary);font-size:16px;cursor:pointer}
.drawer-body{padding:10px 14px 30px;overflow-y:auto}
.drawer-body > a{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 10px;font-size:15.5px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);transition:all var(--t)}
.drawer-body > a:hover,.drawer-body > a.active{color:var(--c-primary);font-weight:600}
.drawer-sub{margin-top:18px;padding:0 10px}
.drawer-sub h4{font-size:13px;color:var(--c-ink-3);font-weight:600;letter-spacing:.04em;margin-bottom:10px}
.drawer-sub a{display:block;padding:10px 0;font-size:14.5px;color:var(--c-ink-2);border-bottom:1px dashed var(--c-line)}
.drawer-sub a:hover{color:var(--c-accent)}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-text{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;border-radius:var(--r-btn);cursor:pointer;transition:all var(--t);text-align:center}
.btn-main{background:var(--c-primary);color:#F6F3EC;border:1px solid var(--c-primary);padding:13px 26px;min-height:48px}
.btn-main:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(18,63,54,.65)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border:1px solid var(--c-primary);padding:13px 26px;min-height:48px}
.btn-ghost:hover{background:rgba(18,63,54,.08);color:var(--c-primary);transform:translateY(-1px)}
.btn-text{background:none;border:none;color:var(--c-primary);padding:6px 0;font-weight:600}
.btn-text .fa-arrow-right{transition:transform var(--t);font-size:13px}
.btn-text:hover{color:var(--c-accent)}
.btn-text:hover .fa-arrow-right{transform:translateX(4px)}

/* ---------- badges ---------- */
.badge-pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:4px 11px;border-radius:999px;font-weight:600;line-height:1.6}
.badge-solid{background:var(--c-accent);color:#fff}
.badge-line{border:1px solid var(--c-accent);color:#8A4E22;background:rgba(235,217,200,.4)}
.badge-soft{background:var(--c-accent-soft);color:#7A4620}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-bg);padding:76px 0 88px}
.hero::after{content:"";position:absolute;right:-8%;bottom:-34%;width:66%;height:86%;pointer-events:none;
  background-image:linear-gradient(135deg,rgba(193,116,60,.16) 0 1px,transparent 1px 100%),
                   linear-gradient(45deg,rgba(193,116,60,.10) 0 1px,transparent 1px 100%);
  background-size:24px 24px,24px 24px;opacity:.85;z-index:0}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#7A4620;background:var(--c-accent-soft);border-radius:999px;padding:5px 14px;margin-bottom:20px}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(47,169,140,.2)}
.hero h1{font-size:44px;line-height:1.22;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--c-accent)}
.hero-sub{font-size:17px;color:var(--c-ink-2);line-height:1.85;max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;max-width:520px}
.hero-metric{border-top:1px solid rgba(193,116,60,.55);padding-top:12px}
.hero-metric strong{display:block;font-size:26px;font-weight:700;color:var(--c-primary);line-height:1.2;letter-spacing:-.01em}
.hero-metric span{font-size:13px;color:var(--c-ink-3)}
.hero-visual{position:relative}
.hero-media{border-radius:18px;overflow:hidden;box-shadow:var(--sh-2);position:relative;aspect-ratio:16/11;background:var(--c-primary)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,46,40,.08) 0%,rgba(12,46,40,.42) 100%)}
.hero-media .media-cap{position:absolute;left:22px;bottom:20px;z-index:2;color:#F6F3EC;font-size:14px;line-height:1.6;max-width:62%}
.hero-media .media-cap strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px}
.hero-float{position:absolute;right:-14px;bottom:-26px;width:268px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:12px;display:flex;gap:12px;align-items:center;transition:all var(--t)}
.hero-float:hover{transform:translateY(-3px);box-shadow:0 18px 40px -16px rgba(18,63,54,.3)}
.hero-float img{width:72px;height:58px;object-fit:cover;border-radius:8px;flex-shrink:0}
.hero-float .hf-body{min-width:0}
.hero-float .hf-title{font-size:13.5px;font-weight:600;color:var(--c-ink);line-height:1.5;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- section heads ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head .sec-left{max-width:700px}
.sec-kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-accent);margin-bottom:10px;text-transform:uppercase}
.sec-title{font-size:32px;line-height:1.25}
.sec-sub{font-size:15.5px;color:var(--c-ink-2);margin-top:12px;margin-bottom:0;max-width:640px}

/* ---------- feature cards ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.feature-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;transition:all var(--t)}
.feature-card:hover{border-color:rgba(193,116,60,.5);box-shadow:var(--sh-1);transform:translateY(-3px)}
.feature-ico{width:44px;height:44px;border-radius:12px;background:var(--c-accent-soft);color:#8A4E22;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--c-ink-2);margin:0;line-height:1.8}

/* ---------- story ---------- */
.story{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.story.reverse .story-media{order:2}
.story-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:var(--c-primary);box-shadow:var(--sh-1)}
.story-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.story-media:hover img{transform:scale(1.03)}
.story h2{font-size:30px;margin-bottom:18px}
.story p{color:var(--c-ink-2);font-size:16px}
.dot-list li{position:relative;padding-left:20px;margin-bottom:12px;font-size:15.5px;color:var(--c-ink-2)}
.dot-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--c-accent)}

/* ---------- content cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.content-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:all var(--t);height:100%}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(193,116,60,.45)}
.card-figure{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary)}
.card-figure img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.content-card:hover .card-figure img{transform:scale(1.03)}
.card-figure .badge-pill{position:absolute;left:14px;top:14px}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1}
.card-title{font-size:18px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;color:var(--c-ink-2);line-height:1.75;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);padding-top:14px;border-top:1px solid var(--c-line)}
.card-foot .go{color:var(--c-primary);font-size:14px;transition:transform var(--t)}
.content-card:hover .card-foot .go{transform:translateX(4px);color:var(--c-accent)}

/* ---------- latest posts ---------- */
.latest-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.post-card{display:flex;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:all var(--t);height:100%}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(193,116,60,.45);color:inherit}
.post-thumb{width:112px;height:88px;flex-shrink:0;border-radius:10px;overflow:hidden;background:var(--c-accent-soft);display:flex;align-items:center;justify-content:center;color:#8A4E22;font-size:22px}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-body{min-width:0;display:flex;flex-direction:column}
.post-title{font-size:17px;line-height:1.5;margin:8px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-desc{font-size:14px;color:var(--c-ink-2);line-height:1.7;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--c-ink-3);flex-wrap:wrap}
.post-meta .sep{width:1px;height:12px;background:var(--c-line)}
.empty-box{grid-column:1/-1;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);padding:48px 24px;text-align:center}
.empty-box .ico{font-size:26px;color:var(--c-accent);margin-bottom:12px}
.empty-box p{font-size:14px;color:var(--c-ink-2);margin-bottom:18px}

/* ---------- trust ---------- */
.trust-band{background:var(--c-primary);color:#F6F3EC;border-radius:18px;padding:48px 40px}
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.trust-item{border-top:1px solid rgba(193,116,60,.7);padding-top:16px}
.trust-item strong{display:block;font-size:32px;font-weight:700;line-height:1.2;color:#fff;letter-spacing:-.01em}
.trust-item span{font-size:13px;color:rgba(246,243,236,.76)}
.logo-strip{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin-top:36px}
.logo-ph{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:10px;height:62px;display:flex;align-items:center;justify-content:center;font-size:12.5px;color:rgba(246,243,236,.62);letter-spacing:.02em}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-acc .accordion-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-acc .accordion-item:last-child{margin-bottom:0}
.faq-acc .accordion-button{position:relative;background:var(--c-surface);color:var(--c-ink);font-size:16.5px;font-weight:600;padding:18px 54px 18px 40px;box-shadow:none;border-radius:12px;line-height:1.6}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);box-shadow:inset 3px 0 0 var(--c-primary);background:var(--c-surface)}
.faq-acc .accordion-button::before{content:"";position:absolute;left:20px;top:50%;transform:translateY(-50%);width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.faq-acc .accordion-button::after{content:"+";background-image:none;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;color:var(--c-accent);transform:none;transition:color var(--t)}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:none;color:var(--c-primary)}
.faq-acc .accordion-button:focus{box-shadow:inset 3px 0 0 var(--c-primary)}
.faq-acc .accordion-body{font-size:15px;color:var(--c-ink-2);line-height:1.8;padding:0 26px 22px 40px}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-primary);color:#F6F3EC;padding:64px 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-6%;top:-40%;width:520px;height:520px;background-image:linear-gradient(135deg,rgba(193,116,60,.22) 0 1px,transparent 1px 100%),linear-gradient(45deg,rgba(193,116,60,.14) 0 1px,transparent 1px 100%);background-size:26px 26px,26px 26px;pointer-events:none}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta-band p{color:rgba(246,243,236,.8);font-size:15px;margin:0}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{flex:1;min-width:200px;height:48px;padding:0 16px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:#fff;font-size:15px}
.cta-form input::placeholder{color:rgba(246,243,236,.6)}
.cta-form input:focus{background:rgba(255,255,255,.16);border-color:var(--c-accent);outline:none;box-shadow:0 0 0 4px rgba(47,169,140,.22)}
.cta-note{font-size:12.5px;color:rgba(246,243,236,.6);margin-top:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(246,243,236,.78);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.foot-brand .brand-name{color:#F6F3EC;font-size:18px;white-space:normal;line-height:1.5}
.foot-brand .brand-mark .hex{stroke:#F6F3EC}
.foot-brand p{font-size:14px;color:rgba(246,243,236,.66);line-height:1.8;margin-top:16px;max-width:320px}
.foot-title{font-size:14px;font-weight:600;color:#F6F3EC;margin-bottom:16px;position:relative;padding-bottom:10px}
.foot-title::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--c-accent)}
.foot-list li{margin-bottom:10px}
.foot-list a{font-size:14px;color:rgba(246,243,236,.72);transition:all var(--t)}
.foot-list a:hover{color:#fff;padding-left:4px}
.foot-info li{font-size:14px;color:rgba(246,243,236,.72);margin-bottom:10px;line-height:1.7}
.foot-info li i{color:var(--c-accent);width:18px;margin-right:6px}
.foot-sub-form{display:flex;gap:8px;margin-top:14px}
.foot-sub-form input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;font-size:14px}
.foot-sub-form input::placeholder{color:rgba(246,243,236,.5)}
.foot-sub-form button{height:44px;padding:0 18px;border-radius:var(--r-btn);border:none;background:var(--c-accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all var(--t)}
.foot-sub-form button:hover{background:#A9612F}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(246,243,236,.55)}
.foot-bottom a{color:rgba(246,243,236,.55)}
.foot-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero h1{font-size:38px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mega-panel{width:640px}
}
@media (max-width:991px){
  :root{--sp-section:72px}
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:32px}
  .hero-sub{max-width:100%}
  .hero-visual{max-width:640px}
  .hero-float{position:static;width:100%;margin-top:16px;right:auto;bottom:auto}
  .feature-grid{grid-template-columns:1fr;gap:16px}
  .story{grid-template-columns:1fr;gap:28px}
  .story.reverse .story-media{order:0}
  .story h2{font-size:26px}
  .sec-title{font-size:26px}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .logo-strip{grid-template-columns:repeat(3,minmax(0,1fr))}
  .trust-band{padding:36px 26px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .latest-grid{grid-template-columns:1fr}
  .topbar .wrap{min-height:32px;font-size:12px}
  .topbar-left span:last-child{display:none}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  body{font-size:16px}
  .hero h1{font-size:30px}
  .hero-metrics{grid-template-columns:1fr 1fr;max-width:100%}
  .hero-metric:last-child{grid-column:1/-1}
  .card-grid{grid-template-columns:1fr}
  .post-card{flex-direction:column;gap:14px}
  .post-thumb{width:100%;height:140px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .sec-title{font-size:24px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:8px}
  .trust-grid{grid-template-columns:1fr}
  .logo-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band h2{font-size:23px}
  .faq-acc .accordion-button{font-size:15.5px;padding:16px 48px 16px 34px}
  .faq-acc .accordion-button::before{left:16px}
  .faq-acc .accordion-body{padding:0 20px 20px 34px}
}
@media (max-width:519px){
  .wrap{padding:0 18px}
  .hero-eyebrow{font-size:12px}
  .hero-metrics{grid-template-columns:1fr 1fr;gap:12px}
  .hero-metric strong{font-size:22px}
  .hero-media .media-cap{max-width:80%;font-size:13px}
  .card-body{padding:16px}
}

/* roulang page: article */
:root{
  --c-primary:#123F36;
  --c-primary-deep:#0C2E28;
  --c-accent:#C1743C;
  --c-accent-soft:#EBD9C8;
  --c-mint:#2FA98C;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD2;
  --c-ink:#1B2420;
  --c-ink-2:#5C6660;
  --c-ink-3:#8A928C;
  --c-invert:#F6F3EC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(18,63,54,.06);
  --sh-2:0 14px 34px -14px rgba(18,63,54,.22);
  --sp-section:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms var(--ease)}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--c-ink)}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media (min-width:1400px){.wrap{max-width:1280px}}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(47,169,140,.22);border-radius:4px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.site-header .wrap{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-primary);flex:0 0 auto}
.brand:hover{color:var(--c-primary)}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand-mark .hex{fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}
.brand-mark .cut{stroke:var(--c-accent);stroke-width:2;stroke-linecap:round}
.brand-name{font-size:20px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;transition:color 220ms var(--ease)}
.nav-desktop{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 12px;font-size:15px;font-weight:500;color:var(--c-ink-2);
  border-radius:8px;white-space:nowrap;transition:color 180ms var(--ease),background 180ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform 180ms var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--c-primary);background:rgba(18,63,54,.05)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.mega-wrap{position:relative}
.mega-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:1px solid var(--c-line);color:var(--c-ink-2);
  font-size:15px;font-weight:500;padding:9px 16px;border-radius:var(--r-btn);
  cursor:pointer;transition:all 180ms var(--ease);
}
.mega-btn i{font-size:11px;transition:transform 180ms var(--ease)}
.mega-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.mega-wrap.open .mega-btn{border-color:var(--c-primary);color:var(--c-primary);background:rgba(18,63,54,.04)}
.mega-wrap.open .mega-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:660px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
  box-shadow:var(--sh-2);padding:26px 26px 22px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity 180ms var(--ease),transform 180ms var(--ease),visibility 180ms;
  overflow:hidden;
}
.mega-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c-primary)}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.mega-title{font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.04em;margin-bottom:12px}
.mega-list li+li{margin-top:2px}
.mega-list a{
  display:block;padding:9px 12px;border-radius:8px;font-size:14.5px;color:var(--c-ink-2);
  transition:background 160ms var(--ease),color 160ms var(--ease);
}
.mega-list a:hover{background:var(--c-bg);color:var(--c-primary)}
.mega-card{
  display:flex;gap:12px;padding:10px;border:1px solid var(--c-line);border-radius:12px;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),transform 180ms var(--ease);
}
.mega-card+.mega-card{margin-top:10px}
.mega-card:hover{border-color:var(--c-accent);box-shadow:var(--sh-1);transform:translateY(-2px)}
.mega-card img{width:78px;height:58px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.mc-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.mega-badge{
  align-self:flex-start;font-size:11.5px;line-height:1.6;color:#fff;background:var(--c-accent);
  padding:1px 9px;border-radius:999px;font-weight:500;
}
.mc-title{font-size:13.5px;line-height:1.5;color:var(--c-ink);font-weight:600}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--c-line);
  background:var(--c-surface);border-radius:10px;color:var(--c-primary);font-size:17px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-primary)}
.nav-drawer{
  display:none;border-top:1px solid var(--c-line);background:var(--c-surface);padding:10px 0 18px;
}
.nav-drawer.open{display:block}
.nav-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 24px;font-size:15.5px;color:var(--c-ink-2);
  border-bottom:1px solid rgba(228,223,210,.7);
}
.nav-drawer a.active{color:var(--c-accent);font-weight:600}
.nav-drawer .drawer-label{padding:14px 24px 6px;font-size:12.5px;color:var(--c-ink-3);letter-spacing:.06em}
.site-header.is-stuck{background:var(--c-primary);border-bottom-color:rgba(255,255,255,.12)}
.site-header.is-stuck .brand-name,.site-header.is-stuck .brand{color:var(--c-invert)}
.site-header.is-stuck .brand-mark .hex{stroke:var(--c-invert)}
.site-header.is-stuck .nav-link{color:rgba(246,243,236,.78)}
.site-header.is-stuck .nav-link:hover,.site-header.is-stuck .nav-link.active{color:#fff;background:rgba(255,255,255,.08)}
.site-header.is-stuck .mega-btn{color:rgba(246,243,236,.85);border-color:rgba(255,255,255,.24)}
.site-header.is-stuck .mega-btn:hover{color:#fff;border-color:#fff}
.site-header.is-stuck .nav-toggle{background:transparent;color:var(--c-invert);border-color:rgba(255,255,255,.28)}
@media (max-width:991px){
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .site-header .wrap{min-height:64px;gap:14px}
  .brand-name{font-size:17px}
  .mega-panel{display:none}
}

/* ---------- breadcrumb ---------- */
.crumb{padding:16px 0 4px;font-size:13px;color:var(--c-ink-3)}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{margin:0 8px;color:var(--c-line)}
.crumb .now{color:var(--c-ink-2)}

/* ---------- article head ---------- */
.article-head{padding:10px 0 0}
.article-badge{
  display:inline-block;font-size:12.5px;font-weight:500;color:#fff;background:var(--c-accent);
  padding:4px 12px;border-radius:999px;margin-bottom:18px;
}
.article-head h1{
  font-size:44px;line-height:1.25;letter-spacing:-.01em;max-width:900px;
  margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:26px;
}
.article-meta .dot{width:1px;height:12px;background:var(--c-accent);opacity:.5;display:inline-block}
.article-cover{
  position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);
  aspect-ratio:16/9;background:var(--c-primary-deep);
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,46,40,.18),rgba(12,46,40,.02) 55%,rgba(12,46,40,.30));
}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;
  padding:48px 0 0;align-items:start;
}
.article-main{min-width:0;max-width:760px}
.article-body{font-size:16.5px;line-height:1.85;color:var(--c-ink)}
.article-body p{margin:0 0 18px;color:var(--c-ink-2)}
.article-body h2{
  position:relative;font-size:32px;margin:40px 0 14px;padding-left:16px;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  background:var(--c-accent);border-radius:2px;
}
.article-body h3{font-size:22px;margin:30px 0 12px;color:var(--c-ink)}
.article-body h4{font-size:17px;margin:24px 0 10px;color:var(--c-ink)}
.article-body ul{list-style:none;margin:0 0 20px;padding:0}
.article-body ul>li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--c-ink-2)}
.article-body ul>li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
}
.article-body ol{list-style:decimal;margin:0 0 20px;padding-left:22px;color:var(--c-ink-2)}
.article-body ol li{margin-bottom:10px}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--c-surface);
  border-left:3px solid var(--c-primary);border-radius:0 var(--r-img) var(--r-img) 0;
  font-size:15.5px;color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0 10px;width:100%;height:auto;object-fit:cover}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:8px}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(193,116,60,.45)}
.article-body a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:11px 14px;text-align:left;color:var(--c-ink-2)}
.article-body th{background:var(--c-bg);color:var(--c-ink);font-weight:600}
.article-body strong{color:var(--c-ink);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:34px 0}

/* ---------- sidebar ---------- */
.side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px;
}
.side-title{
  font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:14px;
  padding-bottom:12px;border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;gap:8px;
}
.side-title::before{content:"";width:14px;height:2px;background:var(--c-accent);border-radius:2px}
.side-list li+li{margin-top:2px}
.side-list a{
  display:block;font-size:14px;color:var(--c-ink-2);padding:8px 0 8px 14px;position:relative;
  border-left:1px solid var(--c-line);transition:all 180ms var(--ease);
}
.side-list a::before{
  content:"";position:absolute;left:-3px;top:50%;width:5px;height:5px;border-radius:50%;
  background:var(--c-line);transform:translateY(-50%);transition:background 180ms var(--ease);
}
.side-list a:hover{color:var(--c-primary);border-left-color:var(--c-accent);padding-left:18px}
.side-list a:hover::before{background:var(--c-accent)}
.side-promo{display:block;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface)}
.side-promo img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 260ms var(--ease)}
.side-promo:hover img{transform:scale(1.03)}
.side-promo .sp-body{padding:14px 16px 16px}
.side-promo .sp-tag{font-size:11.5px;color:var(--c-accent);font-weight:600;letter-spacing:.04em}
.side-promo .sp-t{display:block;font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.55;margin-top:6px}
.side-promo:hover .sp-t{color:var(--c-primary)}

/* ---------- article foot ---------- */
.article-foot{padding:44px 0 0;max-width:760px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{
  display:inline-block;font-size:12.5px;color:var(--c-primary);
  border:1px solid rgba(193,116,60,.5);border-radius:999px;padding:4px 12px;
  transition:all 180ms var(--ease);
}
.tag:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.share-row{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-3);padding:16px 0;border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);margin-bottom:26px;
}
.share-row .sh-item{padding:5px 12px;border:1px solid var(--c-line);border-radius:999px;background:var(--c-surface)}
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pn-item{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;transition:all 180ms var(--ease);
}
.pn-item:hover{border-color:var(--c-accent);box-shadow:var(--sh-2);transform:translateY(-3px)}
.pn-item .pn-label{font-size:12.5px;color:var(--c-ink-3);display:block;margin-bottom:6px}
.pn-item .pn-t{font-size:15.5px;font-weight:600;color:var(--c-ink);line-height:1.5}

/* ---------- sections ---------- */
.section{padding:var(--sp-section) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:32px}
.section-head p{margin:8px 0 0;color:var(--c-ink-2);font-size:15.5px;max-width:640px}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-primary);
  white-space:nowrap;
}
.link-more i{transition:transform 180ms var(--ease);font-size:12px}
.link-more:hover{color:var(--c-accent)}
.link-more:hover i{transform:translateX(4px)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
  color:inherit;height:100%;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(193,116,60,.45);color:inherit}
.pc-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-deep)}
.pc-media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.post-card:hover .pc-media img{transform:scale(1.03)}
.pc-badge{
  position:absolute;left:14px;top:14px;font-size:12px;font-weight:500;color:#fff;
  background:var(--c-accent);padding:3px 11px;border-radius:999px;
}
.pc-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pc-body h3{font-size:19px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-body p{font-size:14px;color:var(--c-ink-2);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-ink-3);
}
.pc-foot i{color:var(--c-accent);font-size:12px;transition:transform 180ms var(--ease)}
.post-card:hover .pc-foot i{transform:translateX(4px)}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-primary);color:var(--c-invert);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:var(--c-invert);font-size:30px}
.cta-inner p{color:rgba(246,243,236,.72);margin:10px 0 0;font-size:15px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-accent);color:#fff;border:1px solid var(--c-accent);
  padding:14px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:all 180ms var(--ease);
}
.btn-main:hover{background:#a9622f;border-color:#a9622f;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(0,0,0,.5)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--c-primary);border:1px solid var(--c-primary);
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:all 180ms var(--ease);
}
.btn-ghost:hover{background:rgba(18,63,54,.08);color:var(--c-primary);transform:translateY(-1px)}
.btn-line-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--c-invert);border:1px solid rgba(246,243,236,.55);
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:all 180ms var(--ease);
}
.btn-line-light:hover{background:rgba(246,243,236,.12);color:#fff;border-color:#fff}

/* ---------- empty ---------- */
.empty-state{
  text-align:center;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:56px 24px;box-shadow:var(--sh-1);
}
.empty-state i{font-size:30px;color:var(--c-accent);margin-bottom:14px;display:block}
.empty-state .es-t{font-size:19px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.empty-state p{color:var(--c-ink-2);font-size:14.5px;margin-bottom:20px}

.back-home{display:flex;justify-content:center;padding:48px 0 0}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary);color:rgba(246,243,236,.78);padding:64px 0 0;margin-top:var(--sp-section)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;gap:40px;padding-bottom:48px}
.foot-brand .brand{color:var(--c-invert)}
.foot-brand .brand-mark .hex{stroke:var(--c-invert)}
.foot-brand p{margin:16px 0 0;font-size:14px;line-height:1.85;color:rgba(246,243,236,.66);max-width:320px}
.foot-title{
  font-size:14px;font-weight:600;color:var(--c-invert);margin-bottom:18px;position:relative;padding-bottom:10px;
}
.foot-title::after{content:"";position:absolute;left:0;bottom:0;width:20px;height:2px;background:var(--c-accent);border-radius:2px}
.foot-list li+li{margin-top:2px}
.foot-list a{display:inline-block;padding:6px 0;font-size:14px;color:rgba(246,243,236,.72)}
.foot-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--c-accent)}
.foot-info li{display:flex;gap:10px;font-size:14px;color:rgba(246,243,236,.72);margin-bottom:10px;line-height:1.7}
.foot-info i{color:var(--c-accent);margin-top:6px;font-size:13px}
.foot-sub-form{display:flex;gap:8px;margin-top:14px}
.foot-sub-form input{
  flex:1;min-width:0;height:44px;border-radius:10px;border:1px solid rgba(246,243,236,.24);
  background:rgba(255,255,255,.07);color:var(--c-invert);padding:0 14px;font-size:14px;
}
.foot-sub-form input::placeholder{color:rgba(246,243,236,.45)}
.foot-sub-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(193,116,60,.22)}
.foot-sub-form button{
  height:44px;padding:0 20px;border-radius:10px;border:1px solid var(--c-accent);
  background:var(--c-accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:all 180ms var(--ease);
}
.foot-sub-form button:hover{background:#a9622f;border-color:#a9622f}
.foot-bottom{
  border-top:1px solid rgba(246,243,236,.12);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(246,243,236,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .side{position:static;margin-top:40px;flex-direction:row;flex-wrap:wrap}
  .side-card,.side-promo{flex:1 1 280px}
  .article-main{max-width:none}
  .article-foot{max-width:none}
}
@media (max-width:991px){
  :root{--sp-section:72px}
  .article-head h1{font-size:32px}
  .article-body h2{font-size:24px;margin-top:34px}
  .article-body h3{font-size:19px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:26px}
  .cta-inner h2{font-size:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  body{font-size:16px}
  .article-head h1{font-size:28px}
  .article-body h2{font-size:22px}
  .article-body{font-size:16px}
  .card-grid,.pn-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .side{flex-direction:column}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .article-cover{aspect-ratio:16/9}
}
@media (max-width:520px){
  .article-head h1{font-size:24px}
  .article-meta{font-size:12.5px;gap:8px}
  .btn-main,.btn-ghost,.btn-line-light{width:100%}
}

/* roulang page: category1 */
:root{
  --c-primary:#123F36;
  --c-primary-deep:#0C2E28;
  --c-accent:#C1743C;
  --c-accent-soft:#EBD9C8;
  --c-teal:#2FA98C;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD2;
  --c-ink:#1B2420;
  --c-ink-2:#5C6660;
  --c-ink-3:#8A928C;
  --c-inverse:#F6F3EC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,63,54,.06);
  --sh-2:0 14px 34px -14px rgba(18,63,54,.22);
  --sp-section:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --f-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --f-num:"Manrope","Inter",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms var(--ease);}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em;color:var(--c-ink);font-weight:700;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(47,169,140,.22);border-radius:6px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media(min-width:1400px){.wrap{max-width:1280px;}}

/* ============ top bar ============ */
.topbar{
  background:var(--c-primary);
  color:rgba(246,243,236,.82);
  font-size:13px;
  line-height:1.4;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar i{margin-right:6px;color:var(--c-accent);}
.topbar a{color:rgba(246,243,236,.82);}
.topbar a:hover{color:#fff;}
.topbar-right{display:flex;align-items:center;gap:20px;}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 0 rgba(18,63,54,.02);
}
.site-header > .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:36px;height:36px;flex:none;}
.brand-mark .hex{fill:none;stroke:var(--c-primary);stroke-width:2;stroke-linejoin:round;}
.brand-mark .cut{stroke:var(--c-accent);stroke-width:2;stroke-linecap:round;}
.brand-name{
  font-size:20px;
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--c-primary);
  white-space:nowrap;
}
.brand:hover .brand-mark .cut{stroke:var(--c-primary-deep);}
.brand:hover .brand-name{color:var(--c-primary-deep);}

.nav-desktop{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:15px;
  color:var(--c-ink-2);
  border-radius:8px;
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:8px;
  height:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 180ms var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:rgba(18,63,54,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}

.mega-wrap{position:relative;}
.mega-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 16px;
  margin-left:6px;
  font-size:15px;
  color:var(--c-primary);
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:all 180ms var(--ease);
}
.mega-btn i{font-size:11px;transition:transform 180ms var(--ease);}
.mega-btn:hover{border-color:var(--c-primary);background:rgba(18,63,54,.04);}
.mega-wrap.open .mega-btn{border-color:var(--c-primary);background:rgba(18,63,54,.06);}
.mega-wrap.open .mega-btn i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  top:calc(100% + 16px);
  right:0;
  width:700px;
  padding:26px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity 180ms var(--ease),transform 180ms var(--ease),visibility 180ms;
  z-index:70;
}
.mega-panel::before{
  content:"";
  position:absolute;
  top:-1px;left:-1px;right:-1px;
  height:3px;
  background:var(--c-primary);
  border-radius:var(--r-card) var(--r-card) 0 0;
}
.mega-wrap.open .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:12.5px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--c-ink-3);
  margin-bottom:12px;
}
.mega-list li{margin-bottom:2px;}
.mega-list a{
  display:block;
  padding:9px 12px;
  font-size:14.5px;
  color:var(--c-ink-2);
  border-radius:8px;
  transition:all 180ms var(--ease);
}
.mega-list a:hover{background:var(--c-bg);color:var(--c-primary);padding-left:16px;}
.mega-card{
  display:flex;
  gap:12px;
  padding:10px;
  border-radius:10px;
  border:1px solid transparent;
  transition:all 180ms var(--ease);
  margin-bottom:8px;
}
.mega-card:hover{background:var(--c-bg);border-color:var(--c-line);}
.mega-card img{
  width:82px;height:60px;
  object-fit:cover;
  border-radius:8px;
  flex:none;
}
.mc-body{display:flex;flex-direction:column;gap:6px;justify-content:center;}
.mega-badge{
  font-size:11.5px;
  color:var(--c-accent);
  border:1px solid var(--c-accent-soft);
  background:rgba(193,116,60,.07);
  padding:1px 8px;
  border-radius:var(--r-pill);
  align-self:flex-start;
  white-space:nowrap;
}
.mc-title{font-size:14px;color:var(--c-ink);line-height:1.5;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:10px;
  color:var(--c-primary);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-primary);}

/* ============ buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:13px 26px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:all 180ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:var(--c-inverse);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(18,63,54,.08);color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-light{background:var(--c-inverse);color:var(--c-primary);}
.btn-light:hover{background:#fff;color:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 12px 28px -14px rgba(0,0,0,.4);}
.btn-outline-light{background:transparent;color:var(--c-inverse);border-color:rgba(246,243,236,.55);}
.btn-outline-light:hover{background:rgba(246,243,236,.12);color:#fff;border-color:var(--c-inverse);transform:translateY(-1px);}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
}
.link-more i{transition:transform 180ms var(--ease);font-size:12px;}
.link-more:hover i{transform:translateX(4px);}
.link-more:hover{color:var(--c-accent);}

/* ============ pills ============ */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  font-size:12.5px;
  line-height:1.6;
  border-radius:var(--r-pill);
  letter-spacing:.01em;
}
.pill-accent{background:var(--c-accent);color:#fff;}
.pill-outline{background:transparent;border:1px solid var(--c-accent);color:var(--c-accent);}
.pill-soft{background:rgba(193,116,60,.1);border:1px solid var(--c-accent-soft);color:var(--c-accent);}

/* ============ page head ============ */
.page-head{
  position:relative;
  overflow:hidden;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
  padding:36px 0 72px;
}
.page-head::after{
  content:"";
  position:absolute;
  right:-140px;bottom:-160px;
  width:420px;height:420px;
  border:1px solid rgba(193,116,60,.28);
  transform:rotate(45deg);
  pointer-events:none;
}
.grid-bg{
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(18,63,54,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(18,63,54,.055) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 82%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 82%);
  pointer-events:none;
}
.crumb{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-ink-3);
  margin-bottom:26px;
}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.crumb .cur{color:var(--c-ink-2);}
.page-head-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.ph-text h1{
  font-size:44px;
  margin:18px 0 16px;
  letter-spacing:-0.015em;
}
.ph-lead{
  font-size:17.5px;
  color:var(--c-ink-2);
  max-width:520px;
  margin-bottom:28px;
}
.ph-actions{display:flex;flex-wrap:wrap;gap:14px;}
.ph-media{position:relative;}
.ph-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-img);
  box-shadow:var(--sh-2);
}
.ph-media::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:var(--r-img);
  background:linear-gradient(to top,rgba(12,46,40,.6),rgba(12,46,40,.12) 55%,rgba(12,46,40,.05));
  pointer-events:none;
}
.ph-media-tag{
  position:absolute;
  left:16px;bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  font-size:13px;
  color:#fff;
  background:rgba(12,46,40,.72);
  border:1px solid rgba(246,243,236,.22);
  border-radius:var(--r-pill);
  backdrop-filter:blur(2px);
}
.dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--c-teal);
  box-shadow:0 0 0 3px rgba(47,169,140,.28);
  flex:none;
}

/* ============ anchor bar ============ */
.anchor-bar{
  position:sticky;
  top:109px;
  z-index:40;
  background:rgba(246,243,236,.96);
  border-bottom:1px solid var(--c-line);
  padding:14px 0;
  backdrop-filter:blur(6px);
}
.anchor-inner{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-pill{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 18px;
  font-size:14px;
  color:var(--c-ink-2);
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:all 180ms var(--ease);
}
.anchor-pill:hover{color:var(--c-primary);border-color:var(--c-primary);background:rgba(18,63,54,.04);}
.anchor-pill.is-active{background:var(--c-primary);color:var(--c-inverse);border-color:var(--c-primary);}

/* ============ sections ============ */
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
}
.section-head h2{font-size:32px;margin-bottom:12px;}
.section-head p{font-size:16px;color:var(--c-ink-2);max-width:640px;margin:0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--c-accent);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--c-accent);}

/* ============ cards grid ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.entry-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
  height:100%;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D5CEBD;}
.entry-media{position:relative;overflow:hidden;}
.entry-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform 320ms var(--ease);
}
.entry-card:hover .entry-media img{transform:scale(1.03);}
.entry-media .pill-pos{
  position:absolute;
  top:12px;left:12px;
  background:var(--c-accent);
  color:#fff;
  font-size:12px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  box-shadow:0 4px 14px -6px rgba(0,0,0,.5);
}
.entry-body{
  padding:22px 22px 20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.entry-body h3{
  font-size:19px;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--c-ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin:0;
}
.entry-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--c-ink-3);
}
.entry-meta i{color:var(--c-accent);font-size:12px;transition:transform 180ms var(--ease);}
.entry-card:hover .entry-meta i{transform:translateX(4px);}

/* ============ steps ============ */
.steps-wrap{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  counter-reset:step;
}
.step-item{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:32px 26px 28px;
  box-shadow:var(--sh-1);
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease);
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-num{
  font-family:var(--f-num);
  font-size:34px;
  font-weight:700;
  color:var(--c-accent);
  opacity:.5;
  line-height:1;
  margin-bottom:16px;
  display:block;
}
.step-item h3{font-size:20px;margin-bottom:10px;}
.step-item p{font-size:14.5px;color:var(--c-ink-2);margin:0;}
.step-item::after{
  content:"";
  position:absolute;
  left:26px;top:0;
  width:36px;height:3px;
  background:var(--c-primary);
  border-radius:0 0 3px 3px;
}

/* ============ compare ============ */
.compare-section{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.compare-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.compare-item{
  padding:28px 26px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  transition:all 180ms var(--ease);
}
.compare-item:hover{border-color:var(--c-accent);background:#fff;box-shadow:var(--sh-1);}
.compare-item h3{
  font-size:19px;
  margin-bottom:6px;
  display:flex;
  align-items:center;
  gap:10px;
}
.compare-item h3 span{
  font-family:var(--f-num);
  font-size:12.5px;
  color:var(--c-accent);
  border:1px solid var(--c-accent-soft);
  background:rgba(193,116,60,.09);
  border-radius:var(--r-pill);
  padding:1px 9px;
  font-weight:600;
}
.compare-item > p.cmp-lead{
  font-size:14px;
  color:var(--c-ink-3);
  margin-bottom:18px;
}
.cmp-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--c-ink-2);
  margin-bottom:10px;
  line-height:1.75;
}
.cmp-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-accent);
  opacity:.8;
}
.cmp-time{
  margin-top:18px;
  padding-top:14px;
  border-top:1px dashed var(--c-line);
  font-family:var(--f-num);
  font-size:13px;
  color:var(--c-ink-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.cmp-time i{color:var(--c-teal);}

/* ============ faq ============ */
.faq-section{background:var(--c-bg);}
.faq-hold{max-width:880px;margin:0 auto;}
.accordion.faq-acc{--bs-accordion-border-radius:12px;}
.faq-acc .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:12px !important;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color 180ms var(--ease);
}
.faq-acc .accordion-item:hover{border-color:#D5CEBD;}
.faq-acc .accordion-button{
  position:relative;
  padding:20px 56px 20px 40px;
  font-size:16.5px;
  font-weight:600;
  color:var(--c-ink);
  background:var(--c-surface);
  border-radius:12px !important;
  box-shadow:none;
  line-height:1.55;
}
.faq-acc .accordion-button::before{
  content:"";
  position:absolute;
  left:20px;top:50%;
  transform:translateY(-50%);
  width:8px;height:8px;
  border-radius:50%;
  background:var(--c-accent);
}
.faq-acc .accordion-button::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  font-weight:500;
  color:var(--c-primary);
  background:rgba(18,63,54,.07);
  border-radius:50%;
  background-image:none;
  line-height:1;
  transition:all 180ms var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  background:rgba(18,63,54,.035);
  color:var(--c-primary);
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  background:var(--c-primary);
  color:var(--c-inverse);
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none;}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--c-primary);outline-offset:-3px;}
.faq-acc .accordion-body{
  padding:0 40px 22px 40px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* ============ cta band ============ */
.cta-band{
  background:var(--c-primary);
  color:var(--c-inverse);
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-120px;
  width:320px;height:320px;
  border:1px solid rgba(193,116,60,.35);
  transform:rotate(45deg);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-band h2{color:var(--c-inverse);font-size:32px;margin-bottom:12px;}
.cta-band p{color:rgba(246,243,236,.76);font-size:16px;max-width:560px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{
  background:var(--c-primary-deep);
  color:var(--c-inverse);
  padding:72px 0 28px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;
  gap:48px;
  padding-bottom:48px;
}
.site-footer .brand-name{color:var(--c-inverse);}
.site-footer .brand-mark .hex{stroke:var(--c-inverse);}
.site-footer .brand-mark .cut{stroke:var(--c-accent);}
.foot-brand p{
  font-size:14px;
  color:rgba(246,243,236,.66);
  line-height:1.8;
  margin-top:18px;
  max-width:300px;
}
.foot-title{
  font-size:14px;
  font-weight:600;
  color:var(--c-inverse);
  margin-bottom:20px;
  position:relative;
  padding-bottom:12px;
}
.foot-title::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:22px;height:2px;
  background:var(--c-accent);
}
.foot-list li{margin-bottom:11px;}
.foot-list a{
  font-size:14px;
  color:rgba(246,243,236,.7);
  transition:all 180ms var(--ease);
}
.foot-list a:hover{color:var(--c-inverse);padding-left:5px;}
.foot-info li{
  font-size:14px;
  color:rgba(246,243,236,.7);
  margin-bottom:12px;
  display:flex;
  align-items:flex-start;
  gap:10px;
  line-height:1.7;
}
.foot-info i{color:var(--c-accent);margin-top:5px;font-size:13px;flex:none;}
.foot-sub-form{
  display:flex;
  gap:8px;
  margin-top:14px;
}
.foot-sub-form input{
  flex:1;
  min-width:0;
  height:44px;
  padding:0 14px;
  font-size:14px;
  color:var(--c-inverse);
  background:rgba(246,243,236,.07);
  border:1px solid rgba(246,243,236,.2);
  border-radius:var(--r-btn);
  transition:all 180ms var(--ease);
}
.foot-sub-form input::placeholder{color:rgba(246,243,236,.42);}
.foot-sub-form input:focus{
  outline:none;
  border-color:var(--c-accent);
  background:rgba(246,243,236,.11);
}
.foot-sub-form button{
  height:44px;
  padding:0 20px;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary-deep);
  background:var(--c-accent);
  border:none;
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:all 180ms var(--ease);
}
.foot-sub-form button:hover{background:#D0824B;transform:translateY(-1px);}
.foot-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:rgba(246,243,236,.5);
}

/* ============ responsive ============ */
@media(max-width:1199px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .page-head-inner{gap:36px;}
  .ph-text h1{font-size:38px;}
}
@media(max-width:991px){
  :root{--sp-section:72px;}
  .nav-toggle{display:flex;}
  .nav-desktop{
    position:fixed;
    top:0;right:0;
    width:320px;
    max-width:86vw;
    height:100vh;
    padding:88px 22px 32px;
    background:#fff;
    border-left:1px solid var(--c-line);
    box-shadow:-24px 0 60px rgba(18,63,54,.18);
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    overflow-y:auto;
    transform:translateX(105%);
    transition:transform 240ms var(--ease);
    z-index:80;
  }
  .site-header.nav-open .nav-desktop{transform:translateX(0);}
  .nav-link{
    min-height:48px;
    padding:0 12px;
    font-size:15.5px;
    border-radius:8px;
  }
  .nav-link::after{display:none;}
  .nav-link.active{background:rgba(18,63,54,.06);}
  .mega-wrap{width:100%;margin-top:8px;}
  .mega-btn{width:100%;justify-content:space-between;margin-left:0;min-height:48px;}
  .mega-panel{
    position:static;
    width:100%;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border:none;
    border-top:1px solid var(--c-line);
    border-radius:0;
    padding:16px 0 0;
    display:none;
  }
  .mega-panel::before{display:none;}
  .mega-wrap.open .mega-panel{display:block;}
  .mega-grid{grid-template-columns:1fr;gap:16px;}
  .mega-card{display:none;}
  .nav-mask{
    position:fixed;
    inset:0;
    background:rgba(12,46,40,.42);
    opacity:0;
    visibility:hidden;
    transition:opacity 200ms var(--ease),visibility 200ms;
    z-index:70;
  }
  .site-header.nav-open .nav-mask{opacity:1;visibility:visible;}

  .topbar{height:auto;padding:8px 0;font-size:12.5px;}
  .topbar-right{display:none;}
  .site-header > .wrap{height:64px;gap:16px;}
  .brand-name{font-size:17px;}
  .anchor-bar{position:static;top:auto;padding:12px 0;}

  .page-head{padding:24px 0 56px;}
  .page-head-inner{grid-template-columns:1fr;gap:32px;}
  .ph-text h1{font-size:32px;margin:14px 0 14px;}
  .ph-lead{font-size:16px;margin-bottom:22px;}
  .ph-media{order:2;}

  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:32px;}
  .section-head h2{font-size:26px;}

  .steps-wrap{grid-template-columns:1fr;}
  .compare-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:26px;}

  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media(max-width:767px){
  :root{--sp-section:56px;}
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .card-grid{grid-template-columns:1fr;}
  .ph-text h1{font-size:30px;}
  .btn{width:100%;}
  .ph-actions .btn{width:auto;flex:1;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-acc .accordion-button{font-size:15.5px;padding:18px 52px 18px 36px;}
  .faq-acc .accordion-body{padding:0 24px 18px 24px;font-size:14.5px;}
  .faq-acc .accordion-button::before{left:16px;}
  .faq-acc .accordion-button::after{right:16px;width:24px;height:24px;font-size:16px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-sub-form{flex-direction:column;}
  .foot-sub-form button{width:100%;}
  .step-item{padding:26px 22px;}
  .compare-item{padding:24px 22px;}
  .section-tight{padding:48px 0;}
}
@media(max-width:520px){
  .brand-name{font-size:16px;}
  .brand-mark{width:32px;height:32px;}
  .ph-text h1{font-size:28px;}
  .anchor-pill{font-size:13px;padding:0 14px;min-height:38px;}
  .entry-body{padding:18px 18px 16px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#123F36;
  --c-primary-deep:#0C2E28;
  --c-accent:#C1743C;
  --c-accent-soft:#EBD9C8;
  --c-mint:#2FA98C;
  --c-ink:#1B2420;
  --c-sub:#5C6660;
  --c-weak:#8A928C;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD2;
  --c-white:#F6F3EC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(18,63,54,.06);
  --sh-2:0 14px 34px -14px rgba(18,63,54,.22);
  --sp-section:96px;
  --t:180ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;line-height:1.85;color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(47,169,140,.22);border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1280px}}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:background-color var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header > .wrap{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;flex:0 0 34px}
.brand-mark .hex{fill:none;stroke:var(--c-primary);stroke-width:2.4;transition:stroke var(--t)}
.brand-mark .cut{fill:none;stroke:var(--c-accent);stroke-width:2.4;stroke-linecap:round}
.brand-name{font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--c-primary);white-space:nowrap;transition:color var(--t)}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:8px;
  font-size:15px;color:var(--c-sub);
}
.nav-link:hover{color:var(--c-primary);background:rgba(193,116,60,.08)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.mega-wrap{position:relative;margin-left:6px}
.mega-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  font-size:14.5px;color:var(--c-primary);background:var(--c-surface);
  transition:all var(--t);
}
.mega-btn i{font-size:11px;transition:transform var(--t)}
.mega-btn:hover{border-color:var(--c-primary);background:rgba(18,63,54,.05)}
.mega-wrap.open .mega-btn{border-color:var(--c-primary);background:rgba(18,63,54,.06)}
.mega-wrap.open .mega-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:660px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-top:3px solid var(--c-primary);
  border-radius:var(--r-card);box-shadow:var(--sh-2);
  padding:22px;z-index:1040;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mega-wrap.open .mega-panel,.mega-wrap:hover .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:22px}
.mega-title{font-size:12.5px;letter-spacing:.1em;color:var(--c-weak);margin-bottom:10px}
.mega-list li a{display:block;padding:9px 12px;border-radius:8px;font-size:14.5px;color:var(--c-sub)}
.mega-list li a:hover{background:var(--c-bg);color:var(--c-primary)}
.mega-card{display:flex;align-items:center;gap:12px;padding:8px;border-radius:10px;transition:background-color var(--t)}
.mega-card:hover{background:var(--c-bg)}
.mega-card img{width:78px;height:58px;object-fit:cover;border-radius:8px;flex:0 0 78px}
.mega-badge{
  display:inline-block;font-size:11.5px;color:var(--c-accent);
  border:1px solid var(--c-accent);border-radius:999px;padding:1px 8px;margin-bottom:4px;
}
.mc-title{display:block;font-size:13.5px;line-height:1.55;color:var(--c-ink)}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--c-line);border-radius:10px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px}
@media (max-width:991.98px){
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
}
.site-header.is-stuck{background:var(--c-primary);border-bottom-color:rgba(255,255,255,.12);box-shadow:0 8px 24px -16px rgba(0,0,0,.5)}
.site-header.is-stuck .brand-name{color:var(--c-white)}
.site-header.is-stuck .brand-mark .hex{stroke:var(--c-white)}
.site-header.is-stuck .nav-link{color:rgba(246,243,236,.78)}
.site-header.is-stuck .nav-link:hover{color:#fff;background:rgba(246,243,236,.1)}
.site-header.is-stuck .nav-link.active{color:#fff}
.site-header.is-stuck .mega-btn{color:rgba(246,243,236,.9);border-color:rgba(246,243,236,.3);background:transparent}
.site-header.is-stuck .nav-toggle{border-color:rgba(246,243,236,.35)}
.site-header.is-stuck .nav-toggle span{background:var(--c-white)}

/* ---------- 移动端抽屉 ---------- */
.drawer-backdrop{position:fixed;inset:0;background:rgba(12,46,40,.45);z-index:1050}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;
  background:var(--c-surface);z-index:1060;
  transform:translateX(100%);transition:transform var(--t);
  display:flex;flex-direction:column;box-shadow:-12px 0 40px -20px rgba(0,0,0,.5);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line)}
.drawer-head .brand-name{font-size:17px}
.drawer-close{width:44px;height:44px;font-size:24px;line-height:1;color:var(--c-sub);border-radius:10px}
.drawer-close:hover{background:var(--c-bg);color:var(--c-primary)}
.drawer-nav{padding:12px 10px;overflow-y:auto}
.drawer-nav a{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:10px;font-size:15.5px;color:var(--c-sub)}
.drawer-nav a:hover,.drawer-nav a:focus-visible{background:var(--c-bg);color:var(--c-primary)}
.drawer-nav a.active{color:var(--c-primary);font-weight:600;background:rgba(193,116,60,.1)}
.drawer-tip{margin:auto 20px 24px;font-size:12.5px;color:var(--c-weak);line-height:1.7}

/* ---------- 通用按钮 / 标签 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 26px;border-radius:var(--r-btn);
  background:var(--c-primary);color:var(--c-white);
  font-size:15px;font-weight:600;border:1px solid var(--c-primary);
  box-shadow:var(--sh-1);
}
.btn-main:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);box-shadow:var(--sh-2);transform:translateY(-1px);color:var(--c-white)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 26px;border-radius:var(--r-btn);
  background:transparent;color:var(--c-primary);
  border:1px solid var(--c-primary);font-size:15px;font-weight:600;
}
.btn-ghost:hover{background:rgba(18,63,54,.08);transform:translateY(-1px)}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary)}
.btn-text i{transition:transform var(--t)}
.btn-text:hover{color:var(--c-accent)}
.btn-text:hover i{transform:translateX(4px)}
.btn-text.on-dark{color:var(--c-white)}
.btn-text.on-dark:hover{color:var(--c-accent-soft)}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;
  border:1px solid var(--c-accent);color:var(--c-accent);background:transparent;
}
.pill.solid{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.pill.soft{background:var(--c-accent-soft);color:#8A4C1C;border-color:transparent}

/* ---------- 页面头 ---------- */
.page-hero{position:relative;padding:44px 0 68px;background:var(--c-bg);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(27,36,32,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(27,36,32,.05) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:linear-gradient(120deg,rgba(0,0,0,.9),rgba(0,0,0,0) 70%);
  mask-image:linear-gradient(120deg,rgba(0,0,0,.9),rgba(0,0,0,0) 70%);
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-40px;width:420px;height:1px;
  background:var(--c-accent);transform:rotate(-45deg);opacity:.5;pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-weak);margin-bottom:22px}
.crumbs a{color:var(--c-sub)}
.crumbs a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.crumbs span.sep{color:var(--c-line)}
h1{font-size:44px;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--c-primary)}
.hero-lead{max-width:560px;margin-top:18px;font-size:17px;color:var(--c-sub);line-height:1.85}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px}
.hero-figure{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/9;background:var(--c-primary-deep)}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,46,40,.05) 35%,rgba(12,46,40,.78) 100%)}
.hero-figure figcaption{position:absolute;left:18px;right:18px;bottom:14px;z-index:2;color:var(--c-white);font-size:13.5px;line-height:1.6}

/* ---------- 主体双栏 ---------- */
.section{padding:var(--sp-section) 0}
.section-alt{background:var(--c-surface)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.01em;color:var(--c-primary)}
.section-head p{margin-top:12px;font-size:16px;color:var(--c-sub)}
.sticky-side{position:sticky;top:96px}
.aside-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.aside-title{font-size:17px;font-weight:700;color:var(--c-primary);padding-bottom:14px;margin-bottom:14px;position:relative}
.aside-title::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--c-accent)}
.anchor-list li + li{border-top:1px dashed var(--c-line)}
.anchor-list a{display:flex;align-items:flex-start;gap:10px;padding:11px 0;font-size:14.5px;color:var(--c-sub);line-height:1.6}
.anchor-list a:hover{color:var(--c-primary)}
.anchor-list .num{flex:0 0 auto;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--c-accent);padding-top:3px}
.mini-card{display:block;margin-top:22px;border-radius:10px;overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface)}
.mini-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t)}
.mini-card:hover img{transform:scale(1.03)}
.mini-body{padding:12px 14px 14px}
.mini-body .pill{margin-bottom:8px}
.mini-body p{font-size:13.5px;line-height:1.65;color:var(--c-sub)}

.mech-block{padding-bottom:42px;margin-bottom:42px;border-bottom:1px solid var(--c-line)}
.mech-block:last-child{padding-bottom:0;margin-bottom:0;border-bottom:0}
.mech-block h2{display:flex;align-items:baseline;gap:12px;font-size:28px;line-height:1.35;letter-spacing:-.01em;color:var(--c-primary);margin-bottom:16px}
.block-num{font-family:"Manrope","Inter",system-ui,sans-serif;font-size:19px;font-weight:700;color:var(--c-accent);opacity:.85;letter-spacing:.02em}
.mech-block p{font-size:16.5px;line-height:1.85;color:var(--c-sub);margin-bottom:14px;max-width:44em}
.block-figure{margin:24px 0 22px;border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;background:var(--c-surface)}
.block-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.block-figure figcaption{padding:10px 14px;font-size:13px;color:var(--c-weak);text-align:center;background:var(--c-surface)}
.dot-list li{position:relative;padding-left:20px;margin:10px 0;font-size:15.5px;line-height:1.8;color:var(--c-sub)}
.dot-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.dot-list strong{color:var(--c-ink);font-weight:600}

/* ---------- 数据条 ---------- */
.stat-strip{
  background:var(--c-primary);color:var(--c-white);
  border-radius:var(--r-card);padding:42px 36px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:34px;
  box-shadow:var(--sh-2);
}
.stat-item{border-top:1px solid rgba(193,116,60,.85);padding-top:18px}
.stat-num{font-family:"Manrope","Inter",system-ui,sans-serif;font-size:32px;font-weight:700;line-height:1.2;color:#fff;letter-spacing:-.01em}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--c-accent-soft)}
.stat-item p{margin-top:8px;font-size:13.5px;line-height:1.7;color:rgba(246,243,236,.72)}

/* ---------- 引用 / 提示 ---------- */
.insight-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.quote-card{background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid var(--c-primary);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-1)}
.quote-mark{font-family:Georgia,"Times New Roman",serif;font-size:46px;line-height:1;color:var(--c-accent);opacity:.45}
.quote-card p{margin-top:6px;font-size:19px;line-height:1.75;font-weight:600;color:var(--c-ink)}
.quote-card cite{display:block;margin-top:14px;font-size:13px;font-style:normal;color:var(--c-weak)}
.notice-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-1)}
.notice-card h3{font-size:19px;font-weight:700;color:var(--c-primary);margin-bottom:14px}
.notice-card ul li{position:relative;padding-left:18px;margin:9px 0;font-size:15px;color:var(--c-sub);line-height:1.8}
.notice-card ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-mint)}
.notice-card .btn-text{margin-top:16px}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-primary);color:var(--c-white);padding:72px 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;left:-80px;top:-40px;width:520px;height:1px;background:var(--c-accent);transform:rotate(-45deg);opacity:.35}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:32px;line-height:1.3;color:#fff;letter-spacing:-.01em}
.cta-inner p{margin-top:12px;font-size:15.5px;color:rgba(246,243,236,.75);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.cta-actions .btn-main{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.cta-actions .btn-main:hover{background:#a95f2c;border-color:#a95f2c}
.cta-actions .btn-ghost{border-color:rgba(246,243,236,.5);color:var(--c-white)}
.cta-actions .btn-ghost:hover{background:rgba(246,243,236,.12)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.accordion-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px !important;overflow:hidden;margin-bottom:12px}
.accordion-button{
  background:var(--c-surface);color:var(--c-ink);
  font-size:16.5px;font-weight:600;line-height:1.6;
  padding:18px 22px;box-shadow:none;border-radius:12px !important;
}
.accordion-button::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c-accent);margin-right:12px;flex:0 0 7px}
.accordion-button:not(.collapsed){background:var(--c-surface);color:var(--c-primary);border-left:3px solid var(--c-primary)}
.accordion-button:focus{box-shadow:0 0 0 4px rgba(47,169,140,.22);border-color:var(--c-mint)}
.accordion-button::after{background-image:none;content:"+";font-size:20px;font-weight:400;color:var(--c-accent);transform:none;width:auto;height:auto;line-height:1}
.accordion-button:not(.collapsed)::after{content:"−";transform:none}
.accordion-body{padding:0 22px 20px 44px;font-size:15px;line-height:1.8;color:var(--c-sub)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary);color:rgba(246,243,236,.78);padding:72px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .brand-name{color:var(--c-white)}
.site-footer .brand-mark .hex{stroke:var(--c-white)}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(246,243,236,.66);max-width:30em}
.foot-title{position:relative;font-size:14px;font-weight:600;color:#fff;padding-bottom:12px;margin-bottom:16px}
.foot-title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--c-accent)}
.foot-list li a{display:inline-block;padding:5px 0;font-size:14.5px;color:rgba(246,243,236,.72)}
.foot-list li a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.foot-info li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.9;color:rgba(246,243,236,.72);padding:3px 0}
.foot-info i{margin-top:6px;color:var(--c-accent);font-size:13px}
.foot-sub-form{display:flex;gap:8px;margin-top:12px}
.foot-sub-form input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(246,243,236,.08);border:1px solid rgba(246,243,236,.24);color:var(--c-white);
  font-size:14px;
}
.foot-sub-form input::placeholder{color:rgba(246,243,236,.45)}
.foot-sub-form input:focus{outline:none;border-color:var(--c-mint);box-shadow:0 0 0 4px rgba(47,169,140,.22)}
.foot-sub-form button{
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff;font-size:14.5px;font-weight:600;
  transition:background-color var(--t),transform var(--t);
}
.foot-sub-form button:hover{background:#a95f2c;transform:translateY(-1px)}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:rgba(246,243,236,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .mega-panel{width:600px}
}
@media (max-width:991.98px){
  :root{--sp-section:72px}
  h1{font-size:34px}
  .page-hero{padding:32px 0 48px}
  .sticky-side{position:static;margin-bottom:32px}
  .hero-figure{margin-top:6px}
  .stat-strip{grid-template-columns:1fr;gap:22px;padding:30px 24px}
  .insight-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mega-panel{display:none}
  .cta-inner h2{font-size:26px}
  .section-head h2{font-size:26px}
}
@media (max-width:767.98px){
  :root{--sp-section:56px}
  h1{font-size:30px}
  .hero-lead{font-size:16px}
  .mech-block h2{font-size:22px;flex-wrap:wrap;gap:8px}
  .section-head h2{font-size:24px}
  .site-header > .wrap{height:64px;gap:12px}
  .brand-name{font-size:17px}
  .brand-mark{width:30px;height:30px;flex:0 0 30px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:6px}
  .cta-band{padding:56px 0}
  .cta-inner h2{font-size:23px}
  .quote-card p{font-size:17px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .foot-sub-form{flex-wrap:wrap}
  .foot-sub-form button{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --c-primary:#123F36;
  --c-primary-deep:#0C2E28;
  --c-accent:#C1743C;
  --c-accent-soft:#EBD9C8;
  --c-teal:#2FA98C;
  --c-ink:#1B2420;
  --c-sub:#5C6660;
  --c-mute:#8A928C;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD2;
  --c-invert:#F6F3EC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(18,63,54,.06);
  --sh-2:0 14px 34px -14px rgba(18,63,54,.22);
  --sp-section:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-cn);font-size:16.5px;line-height:1.85;
  color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms var(--ease)}
a:hover{color:var(--c-accent)}
p{margin:0 0 18px}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--c-primary)}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:22px;color:var(--c-ink)}
h4{font-size:17px;color:var(--c-ink)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;box-shadow:0 0 0 4px rgba(47,169,140,.22)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.wrap{max-width:1280px}}
.section{padding:var(--sp-section) 0}
.section-tight{padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-accent);letter-spacing:.04em;margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--c-accent);display:block}
.lead{font-size:17px;color:var(--c-sub);max-width:640px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-deep);color:rgba(246,243,236,.86);font-size:13px;height:36px;display:flex;align-items:center}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:16px}
.topbar a{color:rgba(246,243,236,.86);font-size:13px}
.topbar a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.topbar i{margin-right:6px;color:var(--c-accent)}

/* ---------- 导航 ---------- */
.site-header{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:relative;z-index:60}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;flex-shrink:0}
.brand-mark .hex{fill:none;stroke:var(--c-primary);stroke-width:2.2;stroke-linejoin:round}
.brand-mark .cut{stroke:var(--c-accent);stroke-width:2.4;stroke-linecap:round}
.brand:hover .brand-mark .cut{stroke:var(--c-primary-deep)}
.brand-name{font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--c-primary);white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:15px;color:var(--c-ink);border-radius:8px;transition:color 180ms var(--ease),background 180ms var(--ease)}
.nav-link:hover{color:var(--c-primary);background:rgba(18,63,54,.05)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--c-accent);border-radius:2px}
.mega-wrap{position:relative}
.mega-btn{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 16px;font-size:15px;color:var(--c-ink);background:transparent;border:1px solid transparent;border-radius:8px;cursor:pointer;transition:all 180ms var(--ease)}
.mega-btn i{font-size:11px;color:var(--c-accent);transition:transform 180ms var(--ease)}
.mega-btn:hover{color:var(--c-primary);background:rgba(18,63,54,.05)}
.mega-wrap.open .mega-btn i,.mega-wrap:hover .mega-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:720px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:26px 26px 22px;opacity:0;visibility:hidden;
  transform:translateY(6px);transition:opacity 180ms var(--ease),transform 180ms var(--ease),visibility 180ms;
  border-top:3px solid var(--c-primary);z-index:80;
}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:26px}
.mega-title{font-size:13px;font-weight:600;color:var(--c-mute);letter-spacing:.06em;margin-bottom:12px}
.mega-list li+li{margin-top:2px}
.mega-list a{display:block;padding:9px 12px;font-size:14.5px;color:var(--c-ink);border-radius:8px;transition:all 180ms var(--ease)}
.mega-list a:hover{background:var(--c-bg);color:var(--c-primary);padding-left:16px}
.mega-card{display:flex;gap:12px;align-items:center;padding:10px;border-radius:10px;border:1px solid transparent;transition:all 180ms var(--ease)}
.mega-card:hover{border-color:var(--c-line);background:var(--c-bg)}
.mega-card img{width:78px;height:58px;object-fit:cover;border-radius:8px;flex-shrink:0}
.mc-body{display:block;min-width:0}
.mega-badge{display:inline-block;font-size:11.5px;padding:2px 8px;border-radius:999px;background:var(--c-accent-soft);color:#8a4c1f;margin-bottom:5px}
.mc-title{display:block;font-size:14px;line-height:1.5;color:var(--c-ink);font-weight:600;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:10px;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:all 180ms var(--ease)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:14px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:all 180ms var(--ease);text-align:center}
.btn-primary{background:var(--c-primary);color:var(--c-invert)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:rgba(18,63,54,.08);color:var(--c-primary-deep);transform:translateY(-1px)}
.btn-light{background:var(--c-invert);color:var(--c-primary);border-color:var(--c-invert)}
.btn-light:hover{background:#fff;color:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(0,0,0,.5)}
.btn-ghost-light{background:transparent;color:var(--c-invert);border-color:rgba(246,243,236,.55)}
.btn-ghost-light:hover{background:rgba(246,243,236,.14);color:#fff;border-color:var(--c-invert)}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-primary)}
.link-more i{transition:transform 180ms var(--ease);font-size:12px;color:var(--c-accent)}
.link-more:hover{color:var(--c-accent)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-mute);margin-bottom:18px}
.crumb a{color:var(--c-sub)}
.crumb a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.crumb span[aria-current]{color:var(--c-ink)}

/* ---------- 页面头 ---------- */
.page-head{position:relative;padding:56px 0 64px;background:
  linear-gradient(rgba(246,243,236,.4),rgba(246,243,236,.4)),
  repeating-linear-gradient(0deg,transparent 0 39px,rgba(228,223,210,.55) 39px 40px),
  repeating-linear-gradient(90deg,transparent 0 39px,rgba(228,223,210,.55) 39px 40px),
  var(--c-bg);
  overflow:hidden;
}
.page-head::after{content:"";position:absolute;right:-120px;bottom:-120px;width:420px;height:1px;background:var(--c-accent);transform:rotate(-45deg);opacity:.5}
.page-head-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;position:relative;z-index:2}
.page-head h1{font-size:44px;margin-bottom:18px}
.page-lead{font-size:17px;color:var(--c-sub);max-width:540px;margin-bottom:26px}
.page-head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.head-metrics{display:flex;flex-wrap:wrap;gap:36px;padding-top:22px;border-top:1px solid var(--c-line)}
.metric strong{display:block;font-size:28px;line-height:1.1;color:var(--c-primary);font-weight:700}
.metric span{font-size:12.5px;color:var(--c-mute);letter-spacing:.02em}
.page-head-media{position:relative}
.page-head-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2)}
.media-badge{position:absolute;left:16px;bottom:16px;background:var(--c-accent);color:#fff;font-size:12.5px;padding:5px 12px;border-radius:999px;font-weight:600}

/* ---------- 锚点条 ---------- */
.anchor-bar{position:sticky;top:0;z-index:40;background:rgba(246,243,236,.97);border-bottom:1px solid var(--c-line);backdrop-filter:blur(8px)}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 20px;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-pill{flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border:1px solid var(--c-line);border-radius:999px;background:var(--c-surface);font-size:13.5px;color:var(--c-sub);white-space:nowrap;transition:all 180ms var(--ease)}
.anchor-pill:hover{border-color:var(--c-accent);color:var(--c-accent);background:#fff}
.anchor-pill.on{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-invert);font-weight:600}

/* ---------- 流程总览 ---------- */
.overview{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ov-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);transition:all 180ms var(--ease)}
.ov-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d8d2c2}
.ov-card .ico{width:44px;height:44px;border-radius:12px;background:var(--c-accent-soft);color:#8a4c1f;display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px}
.ov-card h3{font-size:19px;margin-bottom:8px}
.ov-card p{font-size:14.5px;color:var(--c-sub);margin:0;line-height:1.8}

/* ---------- 步骤区 ---------- */
.flow-grid{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start}
.steps{position:relative;padding-left:0}
.steps::before{content:"";position:absolute;left:26px;top:24px;bottom:34px;width:1px;background:linear-gradient(180deg,var(--c-accent),rgba(193,116,60,.15));}
.step{position:relative;display:grid;grid-template-columns:54px 1fr;gap:22px;padding-bottom:34px}
.step:last-child{padding-bottom:0}
.step-no{position:relative;z-index:2;width:54px;height:54px;border-radius:14px;background:var(--c-surface);border:1px solid var(--c-accent);color:var(--c-accent);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;letter-spacing:.02em;transition:all 180ms var(--ease)}
.step:hover .step-no{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-invert)}
.step-body{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:all 180ms var(--ease)}
.step:hover .step-body{box-shadow:var(--sh-2);border-color:#d8d2c2}
.step-body h3{font-size:20px;margin-bottom:10px}
.step-body p{font-size:15px;color:var(--c-sub);margin:0 0 14px;line-height:1.85}
.step-tags{display:flex;flex-wrap:wrap;gap:8px}
.pill{display:inline-flex;align-items:center;font-size:12.5px;padding:4px 10px;border-radius:999px;border:1px solid var(--c-accent);color:#8a4c1f;background:rgba(193,116,60,.06)}
.pill-solid{background:var(--c-accent);border-color:var(--c-accent);color:#fff}

/* ---------- 侧边要点卡 ---------- */
.side-card{position:sticky;top:78px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.side-card h4{font-size:16px;margin-bottom:6px}
.side-card .side-sub{font-size:13px;color:var(--c-mute);margin-bottom:18px}
.tip-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--c-sub);line-height:1.75;margin-bottom:14px}
.tip-list li:last-child{margin-bottom:0}
.tip-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.side-media{margin-top:20px;border-radius:var(--r-img);overflow:hidden}
.side-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 320ms var(--ease)}
.side-media:hover img{transform:scale(1.03)}

/* ---------- 对照区 ---------- */
.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.cmp-col{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);border-top:3px solid var(--c-primary)}
.cmp-col h4{font-size:17px;margin-bottom:12px}
.cmp-col ul li{position:relative;padding-left:18px;font-size:14.5px;color:var(--c-sub);line-height:1.8;margin-bottom:10px}
.cmp-col ul li:last-child{margin-bottom:0}
.cmp-col ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--c-teal)}

/* ---------- FAQ + 联系 ---------- */
.faq-contact{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:start}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:all 180ms var(--ease)}
.faq-item:last-child{margin-bottom:0}
.faq-item .accordion-button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px 18px 34px;font-size:16.5px;font-weight:600;color:var(--c-ink);
  background:var(--c-surface);border:0;box-shadow:none;text-align:left;position:relative;line-height:1.5;
}
.faq-item .accordion-button::before{content:"";position:absolute;left:16px;top:26px;width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.faq-item .accordion-button:not(.collapsed){color:var(--c-primary);background:#fff}
.faq-item .accordion-button:not(.collapsed)::before{background:var(--c-primary)}
.faq-item .accordion-button:focus{box-shadow:0 0 0 3px rgba(47,169,140,.22);border-radius:0}
.faq-item .accordion-button::after{content:"+";font-size:20px;color:var(--c-accent);font-weight:400;line-height:1;background:none;transform:none;width:auto;height:auto;margin:0}
.faq-item .accordion-button:not(.collapsed)::after{content:"−";color:var(--c-primary)}
.faq-item .accordion-body{padding:0 24px 20px 34px;font-size:15px;color:var(--c-sub);line-height:1.8}
.faq-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--c-primary)}
.contact-card{background:var(--c-primary);color:var(--c-invert);border-radius:var(--r-card);padding:30px 26px;box-shadow:var(--sh-2)}
.contact-card h4{color:#fff;font-size:19px;margin-bottom:10px}
.contact-card p{font-size:14.5px;color:rgba(246,243,236,.76);line-height:1.8}
.contact-info li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(246,243,236,.86);margin-bottom:14px;line-height:1.7}
.contact-info i{color:var(--c-accent-soft);margin-top:5px;flex-shrink:0}
.contact-form{margin-top:22px}
.contact-form label{display:block;font-size:13px;color:rgba(246,243,236,.7);margin-bottom:6px}
.contact-form input,.contact-form textarea{
  width:100%;background:rgba(246,243,236,.1);border:1px solid rgba(246,243,236,.28);
  border-radius:10px;color:#fff;padding:11px 14px;min-height:44px;margin-bottom:14px;transition:all 180ms var(--ease);
}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:rgba(246,243,236,.45)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--c-accent-soft);background:rgba(246,243,236,.16);box-shadow:0 0 0 4px rgba(47,169,140,.22)}
.contact-form textarea{min-height:88px;resize:vertical}
.contact-form .btn{width:100%;background:var(--c-invert);color:var(--c-primary);border-color:var(--c-invert)}
.contact-form .btn:hover{background:#fff;color:var(--c-primary-deep)}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-primary);color:var(--c-invert);padding:72px 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;left:-100px;top:-100px;width:360px;height:1px;background:var(--c-accent);transform:rotate(-45deg);opacity:.6}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;position:relative;z-index:2;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-inner p{color:rgba(246,243,236,.76);font-size:15.5px;margin:0;max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(246,243,236,.78);padding:64px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.site-footer .brand-name{color:var(--c-invert)}
.site-footer .brand-mark .hex{stroke:var(--c-invert)}
.site-footer .brand-mark .cut{stroke:var(--c-accent)}
.foot-brand p{font-size:13.5px;line-height:1.8;color:rgba(246,243,236,.66);margin-top:16px;max-width:300px}
.foot-title{font-size:14px;font-weight:600;color:var(--c-invert);margin-bottom:16px;position:relative;padding-bottom:10px}
.foot-title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--c-accent);border-radius:2px}
.foot-list li+li{margin-top:10px}
.foot-list a{color:rgba(246,243,236,.74);font-size:14px;transition:all 180ms var(--ease)}
.foot-list a:hover{color:var(--c-accent-soft);padding-left:4px}
.foot-info li{display:flex;gap:9px;font-size:13.5px;color:rgba(246,243,236,.7);margin-bottom:12px;line-height:1.7}
.foot-info i{color:var(--c-accent);margin-top:4px;flex-shrink:0}
.foot-sub-form{display:flex;gap:8px;margin-top:12px}
.foot-sub-form input{flex:1;min-width:0;height:44px;background:rgba(246,243,236,.08);border:1px solid rgba(246,243,236,.22);border-radius:10px;color:#fff;padding:0 14px;transition:all 180ms var(--ease)}
.foot-sub-form input::placeholder{color:rgba(246,243,236,.45)}
.foot-sub-form input:focus{outline:none;border-color:var(--c-accent-soft);box-shadow:0 0 0 4px rgba(47,169,140,.2)}
.foot-sub-form button{height:44px;padding:0 20px;border-radius:10px;border:1px solid var(--c-accent);background:var(--c-accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all 180ms var(--ease)}
.foot-sub-form button:hover{background:#a75f2c;border-color:#a75f2c;transform:translateY(-1px)}
.foot-bottom{border-top:1px solid rgba(246,243,236,.08);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:rgba(246,243,236,.5)}

/* ---------- 响应式 ---------- */
@media (min-width:992px) and (max-width:1199px){
  h1,.page-head h1{font-size:38px}
  .flow-grid{grid-template-columns:1fr 280px;gap:32px}
}
@media (max-width:991px){
  :root{--sp-section:72px}
  h1,.page-head h1{font-size:34px}
  h2{font-size:26px}
  .nav-toggle{display:flex}
  .nav-desktop{
    position:fixed;top:0;right:0;bottom:0;width:308px;max-width:86vw;
    background:var(--c-surface);flex-direction:column;align-items:stretch;gap:0;
    padding:84px 18px 28px;overflow-y:auto;transform:translateX(102%);
    transition:transform 240ms var(--ease);box-shadow:-18px 0 40px -24px rgba(18,63,54,.4);z-index:90;
  }
  body.nav-open .nav-desktop{transform:translateX(0)}
  body.nav-open::after{content:"";position:fixed;inset:0;background:rgba(12,46,40,.42);z-index:80}
  .nav-link{height:48px;padding:0 12px;width:100%;border-bottom:1px solid var(--c-line);border-radius:0}
  .nav-link.active::after{left:12px;right:auto;width:22px;bottom:0}
  .mega-wrap{width:100%}
  .mega-btn{width:100%;justify-content:space-between;height:48px;border-radius:0;border-bottom:1px solid var(--c-line);padding:0 12px}
  .mega-panel{position:static;width:100%;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-top:0;padding:8px 0 4px;display:none;border-radius:0}
  .mega-wrap.open .mega-panel{display:block}
  .mega-wrap:hover .mega-panel{opacity:1;visibility:visible;transform:none}
  .mega-grid{grid-template-columns:1fr;gap:14px}
  .mega-card{display:none}
  .page-head-grid{grid-template-columns:1fr;gap:30px}
  .page-head-media{order:-1}
  .page-head-media img{aspect-ratio:16/9}
  .head-metrics{gap:26px}
  .overview{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr;gap:28px}
  .side-card{position:static;order:-1}
  .compare{grid-template-columns:1fr}
  .faq-contact{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-brand{grid-column:1/-1}
  .foot-brand p{max-width:none}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  body{font-size:16px}
  h1,.page-head h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  .page-head{padding:36px 0 44px}
  .page-lead{font-size:16px}
  .step{grid-template-columns:44px 1fr;gap:14px}
  .step-no{width:44px;height:44px;font-size:15px;border-radius:12px}
  .steps::before{left:21px}
  .step-body{padding:20px 18px}
  .cta-band{padding:56px 0}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:8px}
  .contact-card{padding:24px 20px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .brand-name{font-size:17px}
  .brand-mark{width:30px;height:30px}
  .head-metrics{gap:20px}
  .metric strong{font-size:24px}
  .topbar-inner span:first-child{max-width:60%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
}

/* roulang page: category4 */
:root{
  --c-primary:#123F36;
  --c-primary-deep:#0C2E28;
  --c-accent:#C1743C;
  --c-accent-deep:#A9612F;
  --c-accent-soft:#EBD9C8;
  --c-mint:#2FA98C;
  --c-ink:#1B2420;
  --c-ink-2:#5C6660;
  --c-ink-3:#8A928C;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD2;
  --c-reverse:#F6F3EC;
  --c-danger:#B4472F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(18,63,54,.06);
  --sh-2:0 14px 34px -14px rgba(18,63,54,.22);
  --sp-section:96px;
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Manrope","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--c-ink)}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:22px}
h4{font-size:17px}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
blockquote{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(47,169,140,.22)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1400px){.wrap{max-width:1280px}}

/* 顶部信息条 */
.topbar{background:var(--c-primary-deep);color:rgba(246,243,236,.82);font-size:13px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;flex-wrap:wrap}
.topbar a{color:rgba(246,243,236,.82);display:inline-flex;align-items:center;gap:6px}
.topbar a:hover{color:#fff}
.topbar a i{font-size:11px;transition:transform var(--t)}
.topbar a:hover i{transform:translateX(3px)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:90;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:background var(--t),border-color var(--t),box-shadow var(--t)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-primary);flex:0 0 auto}
.brand:hover{color:var(--c-primary)}
.brand-mark{width:34px;height:34px;flex:0 0 34px}
.brand-mark .hex{fill:none;stroke:var(--c-primary);stroke-width:2.2;stroke-linejoin:round;transition:stroke var(--t)}
.brand-mark .cut{stroke:var(--c-accent);stroke-width:2.4;stroke-linecap:round}
.brand-name{font-size:20px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 12px;color:var(--c-ink);font-size:15px;font-weight:500;transition:color var(--t)}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.mega-wrap{position:relative;margin-left:6px}
.mega-btn{display:inline-flex;align-items:center;gap:7px;height:44px;padding:0 16px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);color:var(--c-primary);font-size:15px;font-weight:600;cursor:pointer;transition:background var(--t),border-color var(--t),color var(--t)}
.mega-btn:hover{border-color:var(--c-primary);background:rgba(18,63,54,.06)}
.mega-btn i{font-size:11px;transition:transform var(--t)}
.mega-wrap.open .mega-btn i{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:700px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:24px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity var(--t),transform var(--t),visibility var(--t);z-index:95}
.mega-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c-primary);border-radius:var(--r-card) var(--r-card) 0 0}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mega-title{font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.06em;margin-bottom:10px}
.mega-list a{display:block;padding:10px 12px;border-radius:8px;font-size:15px;color:var(--c-ink);transition:background var(--t),color var(--t)}
.mega-list a:hover{background:var(--c-bg);color:var(--c-primary)}
.mega-card{display:flex;gap:12px;padding:10px;border-radius:10px;border:1px solid var(--c-line);margin-bottom:10px;transition:background var(--t),border-color var(--t)}
.mega-card:hover{background:var(--c-bg);border-color:var(--c-accent)}
.mega-card img{width:78px;height:58px;flex:0 0 78px;object-fit:cover;border-radius:8px}
.mc-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.mega-badge{align-self:flex-start;padding:2px 9px;border-radius:999px;background:rgba(193,116,60,.14);color:#8F5327;font-size:12px;line-height:1.6}
.mc-title{font-size:14px;line-height:1.45;color:var(--c-ink);font-weight:500}
.nav-toggle{display:none;align-items:center;justify-content:center;gap:7px;min-width:44px;min-height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);color:var(--c-primary);font-size:14px;font-weight:600;cursor:pointer;transition:background var(--t),border-color var(--t)}
.nav-toggle:hover{border-color:var(--c-primary);background:rgba(18,63,54,.06)}
.site-header.stuck{background:var(--c-primary);border-color:var(--c-primary-deep);box-shadow:0 8px 24px -18px rgba(12,46,40,.9)}
.site-header.stuck .brand{color:var(--c-reverse)}
.site-header.stuck .brand-mark .hex{stroke:var(--c-reverse)}
.site-header.stuck .nav-link{color:rgba(246,243,236,.86)}
.site-header.stuck .nav-link:hover,.site-header.stuck .nav-link.active{color:#fff}
.site-header.stuck .mega-btn{background:transparent;border-color:rgba(246,243,236,.38);color:var(--c-reverse)}
.site-header.stuck .mega-btn:hover{background:rgba(246,243,236,.12);border-color:var(--c-reverse)}
.site-header.stuck .nav-toggle{background:transparent;border-color:rgba(246,243,236,.38);color:var(--c-reverse)}

/* 移动端抽屉 */
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:var(--c-surface);z-index:130;transform:translateX(100%);transition:transform var(--t);overflow-y:auto;box-shadow:var(--sh-2);padding-bottom:24px}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--c-line);position:sticky;top:0;background:var(--c-surface)}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);color:var(--c-primary);font-size:16px;cursor:pointer}
.drawer-close:hover{background:var(--c-bg)}
.drawer-label{font-size:12.5px;font-weight:600;color:var(--c-ink-3);letter-spacing:.08em;padding:16px 20px 8px}
.nav-drawer a.drawer-link{display:flex;align-items:center;min-height:48px;padding:0 20px;font-size:15px;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.nav-drawer a.drawer-link.active{color:var(--c-primary);font-weight:600;background:rgba(235,217,200,.32)}
.nav-scrim{position:fixed;inset:0;background:rgba(12,46,40,.46);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:120}
.nav-scrim.open{opacity:1;visibility:visible}

/* 通用组件 */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.1em;color:var(--c-accent);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-accent)}
.btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
.btn-main{background:var(--c-primary);border:1px solid var(--c-primary);color:var(--c-reverse)}
.btn-main:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main i{font-size:12px;transition:transform var(--t)}
.btn-main:hover i{transform:translateX(4px)}
.btn-ghost{background:var(--c-surface);border:1px solid var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:rgba(18,63,54,.07);color:var(--c-primary);transform:translateY(-1px)}
.btn-main:active,.btn-ghost:active{transform:translateY(0)}
.btn-on-dark{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.btn-on-dark:hover{background:var(--c-accent-deep);border-color:var(--c-accent-deep);color:#fff}
.btn-ghost-light{background:transparent;border-color:rgba(246,243,236,.5);color:var(--c-reverse)}
.btn-ghost-light:hover{background:rgba(246,243,236,.14);border-color:var(--c-reverse);color:#fff}
.pill{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);font-size:14px;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t)}
.pill:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.pill.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff;font-weight:600}
.link-more{display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:var(--c-primary)}
.link-more i{font-size:12px;transition:transform var(--t)}
.link-more:hover{color:var(--c-accent)}
.link-more:hover i{transform:translateX(4px)}
.section{padding:var(--sp-section) 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--c-surface)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head p{margin:12px 0 0;color:var(--c-ink-2);font-size:16px;max-width:660px}

/* 页面头 */
.page-head{position:relative;overflow:hidden;padding:56px 0 44px;background:var(--c-bg)}
.page-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(18,63,54,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(18,63,54,.05) 1px,transparent 1px);background-size:38px 38px;pointer-events:none}
.page-head::after{content:"";position:absolute;right:-80px;bottom:-80px;width:320px;height:1px;background:var(--c-accent);transform:rotate(-45deg);opacity:.7;pointer-events:none}
.page-head .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.crumb i{font-size:9px;color:var(--c-ink-3);opacity:.7}
.page-head-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.page-head h1{font-size:44px;margin-bottom:18px}
.lead{font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.page-head-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);margin:0}
.page-head-media img{width:100%;aspect-ratio:16/9;object-fit:cover;filter:saturate(.95)}
.page-head-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(18,63,54,.28),rgba(12,46,40,.62))}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:36px;padding-top:28px;border-top:1px solid var(--c-line)}

/* 画廊 */
.mosaic{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:200px;gap:20px}
.g-card{position:relative;display:block;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--c-line);background:var(--c-primary-deep);box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.g-card img{width:100%;height:100%;object-fit:cover;opacity:.84;transition:transform 420ms cubic-bezier(.2,.7,.3,1),opacity var(--t)}
.g-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,46,40,.18) 0%,rgba(12,46,40,.80) 100%);transition:background var(--t)}
.g-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.g-card:hover img{transform:scale(1.03);opacity:1}
.g-card:hover::after{background:linear-gradient(180deg,rgba(12,46,40,.06) 0%,rgba(12,46,40,.7) 100%)}
.g-card:focus-visible{outline:2px solid var(--c-mint);outline-offset:3px}
.g-badge{position:absolute;left:16px;top:16px;z-index:3;padding:4px 11px;border-radius:999px;background:var(--c-accent);color:#fff;font-size:12.5px;line-height:1.6;font-weight:600}
.g-title{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;color:var(--c-reverse);font-size:17px;font-weight:600;line-height:1.45;letter-spacing:-.01em;transition:transform var(--t)}
.g-card:hover .g-title{transform:translateY(-4px)}
.g-1{grid-column:span 4;grid-row:span 2}
.g-1 .g-title{font-size:22px}
.g-2{grid-column:span 2}
.g-3{grid-column:span 2}
.g-4{grid-column:span 3}
.g-5{grid-column:span 3}
.g-6{grid-column:span 2}
.g-7{grid-column:span 4}
.filter-hint{margin:22px 0 0;font-size:13.5px;color:var(--c-ink-3)}

/* 引用卡 */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.quote-card{position:relative;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-card);padding:36px 30px 30px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.quote-card::before{content:"\201D";position:absolute;left:20px;top:8px;font-family:Georgia,serif;font-size:64px;line-height:1;color:rgba(193,116,60,.24)}
.quote-card p{position:relative;padding-left:30px;font-size:20px;font-weight:600;line-height:1.6;color:var(--c-primary);margin-bottom:12px}
.quote-card span{display:block;padding-left:30px;font-size:13px;color:var(--c-ink-3)}

/* 数据条 */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:12px;box-shadow:var(--sh-1)}
.stat-item{position:relative;padding:26px 24px 22px;border-radius:10px;transition:background var(--t)}
.stat-item:hover{background:var(--c-bg)}
.stat-item::before{content:"";position:absolute;left:24px;top:0;width:34px;height:2px;background:var(--c-accent)}
.stat-num{font-family:var(--font-num);font-size:32px;font-weight:700;line-height:1.15;color:var(--c-primary);letter-spacing:-.02em}
.stat-label{margin-top:10px;font-size:13.5px;color:var(--c-ink-2);line-height:1.7}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-acc .accordion-item{border:1px solid var(--c-line);border-radius:12px;background:var(--c-surface);margin-bottom:12px;overflow:hidden}
.faq-acc .accordion-item:last-child{margin-bottom:0}
.faq-acc .accordion-header{position:relative;margin:0}
.faq-acc .accordion-button{position:relative;width:100%;background:var(--c-surface);color:var(--c-ink);font-size:16.5px;font-weight:600;line-height:1.6;padding:20px 60px 20px 26px;box-shadow:none;border:0;border-radius:12px;transition:background var(--t),color var(--t)}
.faq-acc .accordion-button::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);transform:scaleY(0);transition:transform var(--t)}
.faq-acc .accordion-button:not(.collapsed){background:rgba(235,217,200,.30);color:var(--c-primary);box-shadow:none}
.faq-acc .accordion-button:not(.collapsed)::before{transform:scaleY(1)}
.faq-acc .accordion-button:focus{outline:2px solid var(--c-primary);outline-offset:-3px;box-shadow:none}
.faq-acc .accordion-button::after{position:absolute;right:22px;top:50%;margin:0;transform:translateY(-50%);content:"+";width:auto;height:auto;background-image:none;font-size:22px;line-height:1;font-weight:400;color:var(--c-accent)}
.faq-acc .accordion-button:not(.collapsed)::after{content:"\2212";transform:translateY(-50%)}
.faq-acc .accordion-body{font-size:15px;line-height:1.85;color:var(--c-ink-2);padding:6px 26px 24px}

/* CTA 带 */
.cta-band{background:var(--c-primary);color:var(--c-reverse);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band h2{color:var(--c-reverse);font-size:30px}
.cta-band p{color:rgba(246,243,236,.74);margin:12px 0 0;font-size:15.5px;max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 联系表单 */
.contact-card{display:grid;grid-template-columns:1fr 1.12fr;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.contact-info{padding:44px 40px;background:var(--c-bg);border-right:1px solid var(--c-line)}
.contact-info h2{font-size:28px;margin-bottom:14px}
.contact-info p{color:var(--c-ink-2);font-size:15.5px}
.contact-list{margin-top:24px}
.contact-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--c-ink-2);padding:9px 0;border-top:1px solid var(--c-line)}
.contact-list li:first-child{border-top:0}
.contact-list i{color:var(--c-accent);font-size:14px;margin-top:5px}
.contact-form{padding:44px 40px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--c-ink)}
.field input,.field textarea{width:100%;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-btn);min-height:44px;padding:11px 14px;font-size:15px;color:var(--c-ink);font-family:inherit;line-height:1.6;transition:border-color var(--t),box-shadow var(--t),background var(--t)}
.field textarea{min-height:112px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field input:focus,.field textarea:focus{outline:none;background:var(--c-surface);border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,169,140,.22)}
.form-note{margin:14px 0 0;font-size:12.5px;color:var(--c-ink-3)}

/* 页脚 */
.site-footer{background:var(--c-primary);color:rgba(246,243,236,.78);padding:64px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .brand{color:var(--c-reverse)}
.site-footer .brand:hover{color:var(--c-reverse)}
.site-footer .brand-mark .hex{stroke:var(--c-reverse)}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(246,243,236,.66)}
.foot-title{position:relative;padding-bottom:10px;margin-bottom:16px;font-size:14px;font-weight:600;color:var(--c-reverse)}
.foot-title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--c-accent)}
.foot-list li{margin-bottom:10px}
.foot-list a{font-size:14px;color:rgba(246,243,236,.72)}
.foot-list a:hover{color:var(--c-accent)}
.foot-info li{display:flex;gap:9px;font-size:14px;margin-bottom:10px;color:rgba(246,243,236,.72);line-height:1.7}
.foot-info i{margin-top:5px;font-size:13px;color:rgba(246,243,236,.55)}
.foot-sub-form{display:flex;gap:8px;margin-top:14px}
.foot-sub-form input{flex:1;min-width:0;height:44px;border-radius:var(--r-btn);border:1px solid rgba(246,243,236,.24);background:rgba(255,255,255,.06);color:var(--c-reverse);padding:0 14px;font-size:14px;font-family:inherit;transition:border-color var(--t),background var(--t)}
.foot-sub-form input::placeholder{color:rgba(246,243,236,.45)}
.foot-sub-form input:focus{outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.1)}
.foot-sub-form button{height:44px;padding:0 18px;border:none;border-radius:var(--r-btn);background:var(--c-accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background var(--t)}
.foot-sub-form button:hover{background:var(--c-accent-deep)}
.foot-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(246,243,236,.55)}

/* 响应式 */
@media (max-width:1199px){
  .page-head h1{font-size:38px}
  .foot-grid{grid-template-columns:1.2fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--sp-section:72px}
  h1{font-size:34px}
  h2{font-size:26px}
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .page-head-grid{grid-template-columns:1fr;gap:32px}
  .page-head h1{font-size:34px}
  .page-head-media{order:-1}
  .lead{max-width:none}
  .mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:190px;gap:16px}
  .g-1,.g-2,.g-3,.g-4,.g-5,.g-6,.g-7{grid-column:span 1;grid-row:span 1}
  .g-1{grid-column:span 2}
  .g-1 .g-title{font-size:19px}
  .quote-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr;gap:8px}
  .contact-card{grid-template-columns:1fr}
  .contact-info{border-right:0;border-bottom:1px solid var(--c-line);padding:34px 28px}
  .contact-form{padding:34px 28px}
  .cta-band h2{font-size:25px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-tight{padding:52px 0}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  body{font-size:16px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  .page-head{padding:36px 0 32px}
  .page-head h1{font-size:30px}
  .page-head::after{display:none}
  .lead{font-size:16px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%}
  .mosaic{grid-template-columns:1fr;grid-auto-rows:210px}
  .g-1{grid-column:span 1}
  .mosaic .g-card{display:block}
  .sec-head{margin-bottom:26px}
  .sec-head h2{font-size:24px}
  .quote-card p{font-size:18px}
  .stat-num{font-size:28px}
  .faq-acc .accordion-button{font-size:15.5px;padding:18px 52px 18px 22px}
  .faq-acc .accordion-body{padding:4px 22px 20px}
  .cta-band{padding:48px 0}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 100%}
  .contact-info h2{font-size:23px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;margin-top:32px}
}
@media (max-width:520px){
  .wrap{padding:0 18px}
  .brand-name{font-size:17px}
  .brand-mark{width:30px;height:30px;flex:0 0 30px}
  .topbar .wrap{justify-content:flex-start;padding-top:6px;padding-bottom:6px}
  .filter-bar{gap:8px}
  .pill{padding:0 14px;font-size:13.5px}
}