/* roulang page: index */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
:root{
  --brand:#123A2B;
  --brand-600:#1E5C3F;
  --brand-100:#E3EDE4;
  --accent:#C8F04A;
  --accent-bright:#D6F86A;
  --clay:#E8622B;
  --bg:#F6F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFF0E8;
  --ink:#14160F;
  --ink-2:#4A5044;
  --ink-3:#8A8F82;
  --line:rgba(20,22,15,.10);
  --r-xl:28px;
  --r-lg:18px;
  --r-md:12px;
  --sh-1:0 1px 2px rgba(20,22,15,.04),0 8px 24px -12px rgba(18,58,43,.18);
  --sh-2:0 18px 40px -18px rgba(18,58,43,.32);
  --grad-brand:linear-gradient(135deg,#123A2B 0%,#1E5C3F 55%,#3F7A45 100%);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
.page{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(18,58,43,.045) 1px,transparent 1px);
  background-size:20px 20px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{border:0;background:none;font:inherit;color:inherit;cursor:pointer}
input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:var(--accent);color:var(--ink)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.wrap{padding-left:32px;padding-right:32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,244,238,.9);border-bottom:1px solid transparent;transition:background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.site-header.is-scrolled{background:rgba(246,244,238,.84);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line);box-shadow:0 10px 30px -22px rgba(18,58,43,.6)}
.nav{display:flex;align-items:center;gap:14px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--brand);display:grid;place-items:center;flex:0 0 auto;box-shadow:inset 0 0 0 1.5px rgba(200,240,74,.35)}
.brand-mark svg{width:15px;height:15px;stroke:var(--accent);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;color:var(--ink)}
.brand-name span{font-weight:500;color:var(--ink-2)}
.brand-dot{display:none;width:22px;height:22px;border-radius:8px;background:var(--surface-2);place-items:center}
.brand-dot svg{width:13px;height:13px;stroke:var(--brand);fill:none;stroke-width:2;stroke-linecap:round}
@media (min-width:1024px){.brand-dot{display:grid}}
.nav-links{display:none;align-items:center;gap:20px;margin-left:6px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-links a{position:relative;display:inline-block;font-size:14px;color:var(--ink-2);padding:6px 0;white-space:nowrap;transition:color .2s ease-out}
.nav-links a:hover{color:var(--brand)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:18px;height:3px;border-radius:3px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out}
.nav-links a:hover::after{transform:scaleX(.65)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{display:none;align-items:center;gap:8px;background:var(--surface-2);border:1px solid transparent;border-radius:999px;padding:8px 14px;transition:background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
@media (min-width:1024px){.nav-search{display:flex}}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,58,43,.08)}
.nav-search svg{width:15px;height:15px;stroke:var(--ink-3);fill:none;stroke-width:2;stroke-linecap:round;flex:0 0 auto}
.nav-search input{border:0;background:transparent;outline:none;font-size:13px;width:150px}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-plain{display:none;font-size:14px;color:var(--ink-2);padding:8px 4px;transition:color .2s ease-out}
.nav-plain:hover{color:var(--brand)}
@media (min-width:1024px){.nav-plain{display:inline-flex}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-size:15px;font-weight:700;line-height:1.2;border:1.5px solid transparent;transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 8px 18px -12px rgba(18,58,43,.9)}
.btn-primary:hover{background:var(--accent-bright);transform:translateY(-1px);box-shadow:0 12px 22px -12px rgba(18,58,43,.85)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:rgba(18,58,43,.08);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.nav-cta{display:none}
@media (min-width:640px){.nav-cta{display:inline-flex}}
.nav-search-btn,.menu-toggle{width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:var(--surface-2);transition:background-color .2s ease-out}
.nav-search-btn:hover,.menu-toggle:hover{background:var(--brand-100)}
.nav-search-btn svg,.menu-toggle svg{width:18px;height:18px;stroke:var(--brand);fill:none;stroke-width:2;stroke-linecap:round}
@media (min-width:1024px){.nav-search-btn,.menu-toggle{display:none}}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none;visibility:hidden}
.drawer.is-open{pointer-events:auto;visibility:visible}
.drawer-mask{position:absolute;inset:0;background:rgba(20,22,15,.45);opacity:0;transition:opacity .2s ease-out}
.drawer.is-open .drawer-mask{opacity:1}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:85%;max-width:340px;background:var(--bg);padding:20px;overflow-y:auto;transform:translateX(100%);transition:transform .24s ease-out;box-shadow:-20px 0 40px -24px rgba(18,58,43,.5)}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--surface-2)}
.drawer-close svg{width:16px;height:16px;stroke:var(--brand);fill:none;stroke-width:2.2;stroke-linecap:round}
.drawer-search{margin:16px 0 8px;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:10px 14px}
.drawer-search svg{width:15px;height:15px;stroke:var(--ink-3);fill:none;stroke-width:2}
.drawer-search input{border:0;outline:none;background:transparent;width:100%;font-size:14px}
.drawer-links{margin-top:8px}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.drawer-links a.active{color:var(--brand);font-weight:700}
.drawer-links a span.arrow{color:var(--clay)}
.drawer-cta{margin-top:20px;display:grid;gap:10px}
.drawer-cta .btn{width:100%}
.no-scroll{overflow:hidden}

/* ---------- buttons & links ---------- */
.link-underline{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);padding-bottom:2px;background-image:linear-gradient(var(--brand),var(--brand));background-repeat:no-repeat;background-position:0 100%;background-size:0 1.5px;transition:background-size .2s ease-out,color .2s ease-out}
.link-underline:hover{background-size:100% 1.5px}
.link-underline::after{content:"→";font-size:13px;transition:transform .2s ease-out}
.link-underline:hover::after{transform:translateX(3px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--brand-600);margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--clay)}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-tight{padding:40px 0}
@media (min-width:768px){.section-tight{padding:56px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.section-title{font-size:26px;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
@media (min-width:768px){.section-title{font-size:34px}}

/* ---------- hero ---------- */
.hero{position:relative;padding:44px 0 56px;overflow:hidden}
@media (min-width:1024px){.hero{padding:64px 0 72px}}
.hero::before{content:"";position:absolute;left:-10%;top:-30%;width:70%;height:130%;background:radial-gradient(closest-side,rgba(30,92,63,.14),transparent);pointer-events:none}
.hero-inner{position:relative;display:grid;gap:36px;align-items:center}
@media (min-width:1024px){.hero-inner{grid-template-columns:7fr 5fr;gap:48px}}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:12.5px;font-weight:600;color:var(--brand-600);box-shadow:var(--sh-1);margin-bottom:18px}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--clay);display:inline-block}
.hero h1{font-size:32px;line-height:1.16;font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
@media (min-width:768px){.hero h1{font-size:44px}}
@media (min-width:1024px){.hero h1{font-size:52px;line-height:1.08}}
.hero-sub{font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:52ch;margin-bottom:26px}
@media (min-width:768px){.hero-sub{font-size:16.5px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.badges{display:flex;gap:12px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
.badges::-webkit-scrollbar{display:none}
.badge{flex:0 0 auto;min-width:108px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:10px 18px;display:flex;flex-direction:column;gap:1px;box-shadow:var(--sh-1)}
.badge strong{font-size:21px;font-weight:800;line-height:1.15;color:var(--brand);font-variant-numeric:tabular-nums}
.badge span{font-size:12px;color:var(--ink-3);line-height:1.5}
.hero-figure{position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--brand-100);box-shadow:var(--sh-2);min-height:260px}
.hero-figure img{width:100%;height:100%;min-height:260px;object-fit:cover;object-position:center}
@media (min-width:1024px){.hero-figure img{min-height:420px}}
.hero-figure-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,58,43,0) 42%,rgba(18,58,43,.6) 100%)}
.hero-float{position:absolute;left:18px;bottom:18px;background:rgba(246,244,238,.94);color:var(--brand);font-size:12.5px;font-weight:700;padding:8px 14px;border-radius:999px;box-shadow:var(--sh-1);display:inline-flex;align-items:center;gap:8px}
.hero-float i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}

/* ---------- tenets ---------- */
.tenets{display:grid;gap:16px}
@media (min-width:768px){.tenets{grid-template-columns:repeat(3,1fr);gap:0}}
.tenet{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px}
.tenet h3{font-size:18px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.tenet h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);box-shadow:inset 0 0 0 2px var(--brand);flex:0 0 auto}
.tenet p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}
@media (min-width:768px){
  .tenet{background:transparent;border:0;border-radius:0;padding:4px 28px;border-left:1px dashed rgba(20,22,15,.16)}
  .tenet:first-child{border-left:0;padding-left:0}
}

/* ---------- story ---------- */
.story-grid{display:grid;gap:32px;align-items:center}
@media (min-width:1024px){.story-grid{grid-template-columns:repeat(12,1fr);gap:48px;align-items:center}}
.story-figure{border-radius:var(--r-xl);overflow:hidden;background:var(--brand-100);box-shadow:var(--sh-2)}
.story-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
@media (min-width:1024px){
  .story-figure{grid-column:span 6;margin-top:-40px}
  .story-copy{grid-column:span 6}
}
.story-copy p{font-size:15.5px;line-height:1.85;color:var(--ink-2);margin-bottom:14px}
.check-list{margin:20px 0 24px;display:grid;gap:10px}
.check-list li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.75;color:var(--ink-2)}
.check-list li::before{content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:4px;background:var(--accent);box-shadow:inset 0 0 0 2px var(--brand)}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s ease-out,box-shadow .2s ease-out}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.picks{display:grid;gap:24px}
@media (min-width:1024px){.picks{grid-template-columns:2fr 1fr}}
.pick{display:flex;flex-direction:column;height:100%}
.pick-main .pick-media img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center}
.pick-body{padding:22px 24px 26px;display:flex;flex-direction:column;align-items:flex-start;gap:10px;flex:1}
.pick-body h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--ink)}
.pick-body p{font-size:14.5px;line-height:1.75;color:var(--ink-2)}
.pick-body .link-underline{margin-top:auto;padding-top:8px}
.pick-side{display:grid;gap:24px}
.pick-side .pick-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.pick-side .pick-body{padding:18px 20px 22px;gap:8px}
.pick-side .pick-body h3{font-size:17px}
.pill{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:rgba(232,98,43,.12);color:#B4441A;font-size:12px;font-weight:700;letter-spacing:.02em;white-space:nowrap}

/* ---------- news (cms) ---------- */
.news-grid{display:grid;gap:16px}
@media (min-width:768px){.news-grid{grid-template-columns:1fr 1fr}}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;transition:background-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out}
.news-card:hover{background:var(--surface-2);transform:translateX(2px);box-shadow:var(--sh-1)}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.news-date{font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.news-title{font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);margin-bottom:6px}
.news-title a{transition:color .2s ease-out}
.news-title a:hover{color:var(--brand-600)}
.news-excerpt{font-size:14px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;min-height:180px;padding:32px 20px;background:var(--surface);border:1px dashed rgba(20,22,15,.2);border-radius:var(--r-lg)}
.empty-state svg{width:34px;height:34px;stroke:var(--ink-3);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:14.5px;color:var(--ink-2)}

/* ---------- stats ---------- */
.stats-band{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-xl);padding:26px 18px;display:grid;gap:20px;grid-template-columns:1fr 1fr}
@media (min-width:768px){.stats-band{grid-template-columns:repeat(4,1fr);padding:32px 28px;gap:0}}
.stat{text-align:center;position:relative}
@media (min-width:768px){.stat + .stat::before{content:"";position:absolute;left:0;top:12%;height:76%;border-left:1px dashed rgba(20,22,15,.16)}}
.stat strong{display:block;font-size:26px;font-weight:800;line-height:1.2;color:var(--brand);font-variant-numeric:tabular-nums}
@media (min-width:768px){.stat strong{font-size:30px}}
.stat span{font-size:12.5px;color:var(--ink-3)}

/* ---------- faq ---------- */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.faq details + details{border-top:1px solid var(--line)}
.faq summary{display:flex;align-items:center;gap:12px;padding:18px 20px;cursor:pointer;list-style:none;font-size:15.5px;font-weight:600;color:var(--ink);transition:background-color .2s ease-out}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--surface-2)}
.faq-num{flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:var(--accent);color:var(--brand);font-size:11px;font-weight:800;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.faq-icon{flex:0 0 auto;margin-left:auto;width:18px;height:18px;stroke:var(--ink-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease-out}
details[open] .faq-icon{transform:rotate(180deg)}
.faq-answer{padding:0 20px 20px 52px;font-size:14px;line-height:1.85;color:var(--ink-2)}
@media (max-width:520px){.faq-answer{padding:0 20px 18px 20px}}

/* ---------- cta ---------- */
.cta-banner{position:relative;overflow:hidden;background:var(--grad-brand);border-radius:var(--r-xl);padding:34px 24px;color:#F2F6EE;display:grid;gap:24px}
@media (min-width:1024px){.cta-banner{grid-template-columns:1.6fr 1fr;align-items:center;padding:52px 48px;gap:40px}}
.cta-banner::after{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;background:rgba(200,240,74,.16);pointer-events:none}
.cta-banner h2{font-size:24px;line-height:1.3;font-weight:700;color:#fff;margin-bottom:10px;position:relative}
@media (min-width:768px){.cta-banner h2{font-size:30px}}
.cta-banner p{font-size:14.5px;line-height:1.85;color:rgba(246,244,238,.8);max-width:56ch;position:relative}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;position:relative}
.cta-actions .link-underline{color:#F2F6EE;background-image:linear-gradient(var(--accent),var(--accent))}

/* ---------- footer ---------- */
.site-footer{background:var(--brand);border-top:4px solid var(--accent);color:rgba(246,244,238,.72)}
.footer-top{display:grid;gap:32px;padding:52px 0 34px}
@media (min-width:768px){.footer-top{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-top{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:60px 0 40px}}
.footer-brand .brand{align-items:center}
.footer-brand .brand-name{color:#fff;font-size:18px}
.footer-brand .brand-name span{color:rgba(246,244,238,.72)}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(246,244,238,.62);max-width:36ch}
.footer-col h3{font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(246,244,238,.5);margin-bottom:14px}
.footer-col li + li{margin-top:9px}
.footer-col a{font-size:14px;color:rgba(246,244,238,.76);transition:color .2s ease-out}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:rgba(246,244,238,.76);display:flex;gap:8px;line-height:1.7}
.footer-contact li b{font-weight:600;color:rgba(246,244,238,.5);flex:0 0 auto}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding:18px 0 26px;border-top:1px solid rgba(246,244,238,.14);font-size:13px;color:rgba(246,244,238,.55)}
.socials{display:flex;gap:10px}
.socials a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;transition:background-color .2s ease-out,color .2s ease-out}
.socials a:hover{background:var(--accent);color:var(--brand)}
.socials svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ---------- misc ---------- */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:100}
.skip-link:focus{left:0}

/* roulang page: article */
:root{
  --brand:#123A2B;
  --brand-600:#1E5C3F;
  --brand-100:#E3EDE4;
  --accent:#C8F04A;
  --accent-soft:#E9F9B8;
  --clay:#E8622B;
  --bg:#F6F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFF0E8;
  --ink:#14160F;
  --ink-2:#4A5044;
  --ink-3:#8A8F82;
  --line:rgba(20,22,15,0.10);
  --r-xl:28px;
  --r-lg:18px;
  --r-md:12px;
  --sh-1:0 1px 2px rgba(20,22,15,.04),0 8px 24px -12px rgba(18,58,43,.18);
  --sh-2:0 18px 40px -18px rgba(18,58,43,.32);
  --grad:linear-gradient(135deg,#123A2B 0%,#1E5C3F 55%,#3F7A45 100%);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:16px;background:var(--surface-2)}
html a{color:var(--brand);text-decoration:none;transition:color .2s ease-out,background-size .2s ease-out,background-color .2s ease-out}
html a:hover{color:var(--brand-600)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit;font-size:14px}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:640px){.wrap{padding:0 20px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px -24px rgba(18,58,43,.55)}
.nav{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:18px;letter-spacing:-.01em;flex-shrink:0}
.brand:hover{color:var(--ink)}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--brand);display:grid;place-items:center;flex-shrink:0}
.brand-mark svg{width:17px;height:17px;fill:none;stroke:var(--accent);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.brand-name{white-space:nowrap}
.brand-name span{font-weight:600;color:var(--ink-2);margin-left:1px}
.brand-dot{display:inline-flex;align-items:center}
.brand-dot svg{width:18px;height:18px;fill:none;stroke:var(--clay);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.9}
.nav-links{display:flex;gap:2px;flex:1;justify-content:center;min-width:0}
.nav-links a{display:inline-block;padding:8px 11px;font-size:15px;color:var(--ink-2);border-radius:10px;position:relative;white-space:nowrap}
.nav-links a:hover{color:var(--brand);background:var(--surface-2)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:11px;right:11px;bottom:1px;height:3px;border-radius:3px;background:var(--accent)}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid transparent;border-radius:999px;padding:8px 14px;width:216px;transition:background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.nav-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:1.9;stroke-linecap:round;flex-shrink:0}
.nav-search input{width:100%;border:0;background:none;outline:none;color:var(--ink);font-size:14px}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search:focus-within{background:var(--surface);border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,240,74,.4)}
.nav-plain{font-size:14px;color:var(--ink-2);padding:8px 6px;border-radius:8px}
.nav-plain:hover{color:var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;font-size:15px;padding:12px 26px;border:1.5px solid transparent;transition:transform .2s ease-out,background-color .2s ease-out,box-shadow .2s ease-out,color .2s ease-out,border-color .2s ease-out}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{background:var(--accent);color:#14160F}
.btn-primary:hover{background:#D6F86A;color:#14160F;transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-primary:active{transform:translateY(0);background:var(--accent)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(18,58,43,.08);color:var(--brand)}
.btn-ghost:active{background:rgba(18,58,43,.14)}
.nav-cta{flex-shrink:0}
.nav-search-btn,.menu-toggle{display:none;width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--surface);place-items:center;transition:background .2s ease-out,border-color .2s ease-out}
.nav-search-btn svg,.menu-toggle svg{width:18px;height:18px;fill:none;stroke:var(--ink);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.nav-search-btn:hover,.menu-toggle:hover{background:var(--surface-2);border-color:var(--brand)}
@media (max-width:1120px){
  .nav-links{display:none}
  .menu-toggle{display:inline-grid}
  .nav-search{width:180px}
}
@media (max-width:860px){
  .nav-search{display:none}
  .nav-search-btn{display:inline-grid}
  .nav-plain{display:none}
}
@media (max-width:520px){
  .brand-name{font-size:16px}
  .brand-dot{display:none}
  .nav-cta{padding:8px 14px;font-size:13px}
}

/* ============ 移动抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(20,22,15,.45);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:320px;max-width:88vw;background:var(--surface);z-index:90;transform:translateX(102%);transition:transform .22s ease-out;display:flex;flex-direction:column;padding:22px;gap:18px;overflow-y:auto;box-shadow:-20px 0 60px -30px rgba(18,58,43,.5)}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-head span{font-size:13px;letter-spacing:.08em;color:var(--ink-3);font-weight:700}
.drawer-close{width:34px;height:34px;border-radius:10px;background:var(--surface-2);display:grid;place-items:center;font-size:20px;line-height:1;color:var(--ink-2)}
.drawer-close:hover{background:var(--brand-100);color:var(--brand)}
.drawer-search{display:flex;align-items:center;background:var(--surface-2);border-radius:999px;padding:9px 16px;border:1px solid transparent}
.drawer-search input{width:100%;border:0;background:none;outline:none;color:var(--ink)}
.drawer-search:focus-within{background:var(--surface);border-color:var(--brand)}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{display:block;padding:11px 12px;border-radius:12px;font-size:15px;color:var(--ink-2)}
.drawer-links a:hover{background:var(--surface-2);color:var(--brand)}
.drawer-links a.active{background:var(--brand-100);color:var(--brand);font-weight:600}
.drawer-cta{margin-top:auto;width:100%}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:52px 0 44px;
  background-color:var(--surface-2);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(246,244,238,.96) 0%,rgba(246,244,238,.90) 48%,rgba(227,237,228,.86) 100%);
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,240,74,.30) 0%,rgba(200,240,74,0) 70%);
}
.article-hero .wrap{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:20px}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--ink-3);opacity:.6}
.crumb-current{color:var(--ink-2);max-width:min(48vw,420px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip{display:inline-flex;align-items:center;gap:6px;background:rgba(232,98,43,.10);color:#BF4A17;font-size:13px;font-weight:600;padding:5px 13px;border-radius:999px;line-height:1.5}
.article-title{
  font-size:clamp(27px,4.2vw,46px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  margin:16px 0 0;
  max-width:20em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;font-size:13px;color:var(--ink-3)}
.meta-row .dot{width:1px;height:14px;background:var(--line)}
.meta-row b{color:var(--ink-2);font-weight:600}

/* ============ 正文布局 ============ */
.article-main{padding:52px 0 84px}
.article-layout{
  display:grid;
  grid-template-columns:216px minmax(0,760px);
  gap:48px;
  justify-content:center;
  align-items:start;
}
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,760px);gap:0}
}
.article-toc{display:none}
@media (min-width:1201px){.article-toc{display:block;position:sticky;top:104px}}
.toc-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;box-shadow:var(--sh-1)}
.toc-title{font-size:12px;letter-spacing:.1em;color:var(--ink-3);font-weight:700;margin-bottom:10px;padding-left:10px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{display:block;font-size:13.5px;line-height:1.5;padding:7px 10px;border-radius:9px;color:var(--ink-2);border-left:2px solid transparent;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.toc-list a:hover{background:var(--surface-2);color:var(--brand)}
.toc-list a.is-active{color:var(--brand);background:var(--brand-100);border-left-color:var(--accent);font-weight:600}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:44px;
}
@media (max-width:768px){.article-card{padding:26px 22px;border-radius:var(--r-lg)}}
.article-body{font-size:16px;line-height:1.85;color:var(--ink-2);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:1.2em 0}
.article-body h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--ink);margin:2.4em 0 .8em;padding-left:16px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:2px;background:var(--accent)}
.article-body h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--ink);margin:1.9em 0 .6em}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:1.6em 0 .5em}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.5em 0}
.article-body li::marker{color:var(--brand-600)}
.article-body blockquote{margin:1.7em 0;padding:20px 22px;background:var(--surface-2);border-left:4px solid var(--accent);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink)}
.article-body blockquote p:first-child{margin-top:0}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:1.7em auto;border-radius:16px;box-shadow:var(--sh-1)}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;line-height:1.6}
.article-body a{color:var(--brand);border-bottom:2px solid var(--accent);padding-bottom:1px}
.article-body a:hover{background:var(--accent-soft);color:var(--brand)}
.article-body strong,.article-body b{color:var(--ink);font-weight:700}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2.2em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--surface-2);color:var(--ink);font-weight:600}
.article-body pre{background:#101A14;color:#DFECCF;padding:18px;border-radius:14px;overflow:auto;font-size:13px;line-height:1.65;margin:1.6em 0}
.article-body code{background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--brand)}
.article-body pre code{background:none;padding:0;color:inherit}

/* 空态 */
.article-empty{text-align:center;padding:56px 20px}
.article-empty .empty-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--brand-100);display:grid;place-items:center}
.article-empty .empty-icon svg{width:28px;height:28px;fill:none;stroke:var(--brand);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.article-empty h2{font-size:20px;font-weight:700;color:var(--ink)}
.article-empty p{margin-top:10px;font-size:15px;color:var(--ink-3)}
.article-empty .btn{margin-top:24px}

/* 标签组 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:26px;border-top:1px dashed var(--line)}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);font-weight:600;margin-right:4px}
.tag{font-size:13px;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);padding:6px 14px;border-radius:999px;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out}
.tag:hover{background:var(--accent-soft);color:var(--brand);border-color:var(--brand-100)}

/* ============ 相关推荐 ============ */
.related{padding:0 0 84px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{font-size:32px;line-height:1.2;font-weight:700;color:var(--ink);letter-spacing:-.01em}
@media (max-width:640px){.section-head h2{font-size:25px}}
.section-head p{margin-top:8px;font-size:15px;color:var(--ink-2)}
.textlink{font-size:14px;font-weight:600;color:var(--brand);background-image:linear-gradient(var(--accent),var(--accent));background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;padding-bottom:2px;transition:background-size .2s ease-out,color .2s ease-out}
.textlink:hover{background-size:100% 2px;color:var(--brand)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:900px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.related-grid{grid-template-columns:1fr}}
.rel-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.rel-card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;line-height:1.45;font-weight:700;color:var(--ink)}
.rel-card p{font-size:14px;line-height:1.7;color:var(--ink-2)}
.rel-card .rel-link{margin-top:auto;font-size:13px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.rel-card .rel-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease-out}
.rel-card:hover .rel-link svg{transform:translateX(3px)}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 88px}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad);
  color:#fff;
  border-radius:var(--r-xl);
  padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-band::after{content:"";position:absolute;right:-70px;top:-80px;width:240px;height:240px;border-radius:50%;background:rgba(200,240,74,.16)}
.cta-band::before{content:"";position:absolute;left:-60px;bottom:-90px;width:200px;height:200px;border-radius:50%;background:rgba(200,240,74,.10)}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.01em;color:#fff;line-height:1.25}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.82);max-width:52ch}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
@media (max-width:640px){.cta-band{padding:32px 24px;border-radius:var(--r-lg)}}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--brand);color:rgba(255,255,255,.72);margin-top:auto}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent)}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:56px 0 40px}
.footer-brand .brand{color:#fff;font-size:18px}
.footer-brand .brand:hover{color:#fff}
.footer-brand .brand-name span{color:rgba(255,255,255,.72)}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.64);max-width:36ch}
.footer-col h3{font-size:14px;font-weight:600;color:rgba(255,255,255,.88);margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.70)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.70)}
.footer-contact b{color:rgba(255,255,255,.88);font-weight:600;flex-shrink:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0 34px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.58)}
.socials{display:flex;gap:10px}
.socials a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.10);display:grid;place-items:center;transition:background .2s ease-out,transform .2s ease-out}
.socials svg{width:17px;height:17px;fill:none;stroke:rgba(255,255,255,.82);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s ease-out}
.socials a:hover{background:var(--accent);transform:translateY(-2px)}
.socials a:hover svg{stroke:#123A2B}
@media (max-width:900px){.footer-top{grid-template-columns:1fr 1fr;gap:34px;padding:44px 0 32px}}
@media (max-width:560px){.footer-top{grid-template-columns:1fr;gap:28px}}

/* roulang page: category1 */
:root{
  --brand:#123A2B;
  --brand-600:#1E5C3F;
  --brand-100:#E3EDE4;
  --accent:#C8F04A;
  --accent-lift:#D6F86A;
  --accent-soft:#EDF9C4;
  --clay:#E8622B;
  --bg:#F6F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFF0E8;
  --ink:#14160F;
  --ink-2:#4A5044;
  --ink-3:#8A8F82;
  --line:rgba(20,22,15,.10);
  --r-xl:28px;
  --r-lg:18px;
  --r-md:12px;
  --sh-1:0 1px 2px rgba(20,22,15,.04),0 8px 24px -12px rgba(18,58,43,.18);
  --sh-2:0 18px 40px -18px rgba(18,58,43,.32);
  --grad:linear-gradient(135deg,#123A2B 0%,#1E5C3F 55%,#3F7A45 100%);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-size var(--ease)}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea,select{font:inherit}
svg{display:block}
:focus-visible{outline:3px solid var(--brand-600);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.wrap{padding:0 32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.94);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,244,238,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -22px rgba(18,58,43,.5);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--brand);
  display:grid;place-items:center;flex-shrink:0;
  box-shadow:0 0 0 1px rgba(200,240,74,.45) inset;
}
.brand-mark svg{width:17px;height:17px;fill:none;stroke:var(--accent);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--brand);white-space:nowrap}
.brand-name span{font-weight:600;color:var(--brand-600)}
.brand-dot{width:20px;height:20px;color:var(--clay);display:none}
.brand-dot svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
@media(min-width:1200px){.brand-dot{display:block}}

.nav-links{display:none;align-items:center;gap:22px}
.nav-links a{
  position:relative;display:inline-block;font-size:15px;color:var(--ink-2);
  padding:6px 0;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:3px;width:0;
  background:var(--accent);border-radius:999px;transition:width var(--ease);
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--brand);font-weight:700}
@media(min-width:1080px){.nav-links{display:flex}}

.nav-right{display:flex;align-items:center;gap:10px}
.nav-search{
  display:none;align-items:center;gap:8px;
  background:var(--surface-2);border:1.5px solid transparent;
  border-radius:999px;padding:8px 16px;width:210px;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.nav-search svg{width:16px;height:16px;flex-shrink:0;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round}
.nav-search input{
  border:none;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search:focus-within{background:var(--surface);border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,58,43,.08)}
@media(min-width:1200px){.nav-search{display:flex}}

.nav-plain{
  display:none;font-size:15px;color:var(--ink-2);font-weight:500;
  padding:8px 4px;
}
.nav-plain:hover{color:var(--brand)}
@media(min-width:1024px){.nav-plain{display:inline-block}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;line-height:1;
  padding:14px 26px;border:1.5px solid transparent;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 8px 22px -14px rgba(18,58,43,.6)}
.btn-primary:hover{background:var(--accent-lift);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(18,58,43,.55)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(18,58,43,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

.nav-cta{display:none}
@media(min-width:768px){.nav-cta{display:inline-flex}}

.nav-search-btn,.menu-toggle{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--surface-2);
  transition:background var(--ease),border-color var(--ease);
}
.nav-search-btn svg,.menu-toggle svg{width:19px;height:19px;fill:none;stroke:var(--brand);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav-search-btn:hover,.menu-toggle:hover{background:var(--brand-100);border-color:rgba(18,58,43,.25)}
@media(min-width:1200px){.nav-search-btn{display:none}}
@media(min-width:1080px){.menu-toggle{display:none}}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,15,.45);z-index:80;
  opacity:0;pointer-events:none;transition:opacity var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);z-index:90;
  background:var(--bg);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform 260ms ease-out;
  padding:22px 22px 32px;overflow-y:auto;
  display:flex;flex-direction:column;gap:22px;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--line);
}
.drawer-close svg{width:18px;height:18px;fill:none;stroke:var(--brand);stroke-width:2;stroke-linecap:round}
.drawer-search{display:flex;align-items:center;gap:8px;background:var(--surface);border:1.5px solid var(--line);border-radius:999px;padding:10px 16px}
.drawer-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round}
.drawer-search input{border:none;background:transparent;outline:none;width:100%;font-size:14px}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 6px;font-size:16px;color:var(--ink-2);
  border-bottom:1px dashed var(--line);
}
.drawer-links a:hover{color:var(--brand)}
.drawer-links a.active{color:var(--brand);font-weight:700}
.drawer-links a.active::after{content:"";width:22px;height:3px;background:var(--accent);border-radius:999px}
.drawer-actions{display:flex;flex-direction:column;gap:10px}

/* ============ 面包屑 ============ */
.crumbs{padding:22px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li::after{content:"/";color:rgba(20,22,15,.22)}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.crumbs span[aria-current]{color:var(--brand);font-weight:600}

/* ============ Hero ============ */
.hero{padding:34px 0 0}
.hero-grid{display:grid;gap:36px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px}}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-100);color:var(--brand);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;letter-spacing:.02em;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:999px;background:var(--clay);display:block}
.hero h1{
  margin-top:18px;
  font-size:32px;line-height:1.14;font-weight:800;letter-spacing:-.02em;color:var(--brand);
}
@media(min-width:768px){.hero h1{font-size:44px}}
@media(min-width:1200px){.hero h1{font-size:52px}}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
  background:rgba(200,240,74,.55);z-index:-1;border-radius:4px;
}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.8;color:var(--ink-2);max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;gap:12px;margin-top:30px;overflow-x:auto;padding-bottom:4px}
.hero-stats::-webkit-scrollbar{height:0}
.stat-chip{
  flex:0 0 auto;background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:10px 18px;display:flex;align-items:baseline;gap:9px;
  box-shadow:var(--sh-1);
}
.stat-chip strong{font-size:22px;font-weight:800;color:var(--brand);letter-spacing:-.02em}
.stat-chip span{font-size:12px;color:var(--ink-3);white-space:nowrap}

.hero-visual{position:relative}
.hero-photo{
  border-radius:var(--r-xl);overflow:hidden;position:relative;
  box-shadow:var(--sh-2);background:var(--brand-100);
  aspect-ratio:16/12;
}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.hero-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,58,43,0) 42%,rgba(18,58,43,.62) 100%);
}
.hero-float{
  position:absolute;left:16px;bottom:16px;right:16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.94);border-radius:var(--r-lg);
  padding:12px 16px;box-shadow:var(--sh-1);backdrop-filter:blur(6px);
}
.hero-float b{font-size:14px;color:var(--brand);display:block}
.hero-float small{font-size:12px;color:var(--ink-3);display:block;line-height:1.5}
.hero-float .dot-badge{
  background:var(--accent);color:var(--ink);border-radius:999px;
  font-size:12px;font-weight:800;padding:6px 12px;white-space:nowrap;
}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{max-width:720px}
.section-kicker{
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-600);display:flex;align-items:center;gap:10px;
}
.section-kicker::before{content:"";width:26px;height:3px;border-radius:999px;background:var(--accent)}
.section h2{
  margin-top:14px;font-size:26px;line-height:1.2;font-weight:800;
  letter-spacing:-.015em;color:var(--brand);
}
@media(min-width:768px){.section h2{font-size:34px}}
.section-desc{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* 筛选胶囊条 */
.filter-bar{
  display:flex;gap:10px;margin-top:32px;overflow-x:auto;padding-bottom:6px;
  scrollbar-width:thin;
}
.filter-bar::-webkit-scrollbar{height:5px}
.filter-bar::-webkit-scrollbar-thumb{background:rgba(18,58,43,.18);border-radius:999px}
.pill{
  flex:0 0 auto;border-radius:999px;border:1.5px solid var(--line);
  background:var(--surface);color:var(--ink-2);
  padding:9px 20px;font-size:14px;font-weight:600;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.pill:hover{border-color:rgba(18,58,43,.35);color:var(--brand);transform:translateY(-1px)}
.pill.active{background:var(--brand);border-color:var(--brand);color:#F4F8EF}
.pill.active:hover{color:#F4F8EF;transform:none}

/* 装备卡网格 */
.gear-grid{
  display:grid;gap:24px;margin-top:30px;
  grid-template-columns:1fr;
}
@media(min-width:641px){.gear-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.gear-grid{grid-template-columns:repeat(3,1fr)}}
.gear-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.gear-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,58,43,.22)}
.gear-card.is-hidden{display:none}
.gear-thumb{position:relative;aspect-ratio:16/10;background:var(--surface-2);overflow:hidden}
.gear-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.gear-card:hover .gear-thumb img{transform:scale(1.04)}
.gear-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(232,98,43,.12);color:#B8431A;
  border:1px solid rgba(232,98,43,.22);
  border-radius:999px;font-size:12px;font-weight:700;padding:4px 12px;
  backdrop-filter:blur(4px);
}
.gear-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.gear-body h3{font-size:20px;line-height:1.4;font-weight:700;color:var(--ink)}
.gear-body p{
  font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.specs{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.spec{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--r-md);padding:5px 10px;
  font-size:12px;color:var(--ink-2);
}
.spec b{font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.gear-foot{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px dashed var(--line);padding-top:14px;margin-top:2px;
}
.gear-foot span{font-size:12.5px;color:var(--ink-3)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);
  background-image:linear-gradient(var(--brand),var(--brand));
  background-repeat:no-repeat;background-position:0 100%;background-size:0% 2px;
  padding-bottom:2px;transition:background-size var(--ease),color var(--ease);
}
.link-arrow svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease)}
.link-arrow:hover{background-size:100% 2px}
.link-arrow:hover svg{transform:translateX(3px)}

/* 参数速查三栏 */
.triple{
  display:grid;gap:26px;margin-top:36px;
  grid-template-columns:1fr;
}
@media(min-width:900px){.triple{grid-template-columns:repeat(3,1fr);gap:0}}
.triple-item{padding:0}
@media(min-width:900px){
  .triple-item{padding:0 32px}
  .triple-item:first-child{padding-left:0}
  .triple-item+ .triple-item{border-left:1px solid var(--line)}
  .triple-item:last-child{padding-right:0}
}
@media(max-width:899px){
  .triple-item{border-top:1px solid var(--line);padding-top:24px}
  .triple-item:first-child{border-top:none;padding-top:0}
}
.triple-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:var(--brand-100);color:var(--brand);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.triple-item h3{font-size:19px;font-weight:700;margin-top:14px;color:var(--ink)}
.triple-item p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin-top:10px}
.triple-item ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.triple-item li{position:relative;padding-left:18px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.triple-item li::before{
  content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 0 1px rgba(18,58,43,.35);
}

/* 场景错位图文 */
.split{display:grid;gap:34px;align-items:center}
@media(min-width:1024px){.split{grid-template-columns:1fr 1fr;gap:64px}}
.split-media{position:relative}
.split-media img{
  width:100%;border-radius:var(--r-xl);box-shadow:var(--sh-2);
  aspect-ratio:5/4;object-fit:cover;background:var(--brand-100);
}
@media(min-width:1024px){
  .split-media{margin-top:-40px}
}
.split-badge{
  position:absolute;right:-8px;bottom:-16px;
  background:var(--brand);color:#F1F6EB;border-radius:var(--r-lg);
  padding:14px 18px;box-shadow:var(--sh-2);max-width:220px;
}
.split-badge b{display:block;font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2}
.split-badge span{display:block;font-size:12.5px;line-height:1.6;color:rgba(241,246,235,.78);margin-top:4px}
.scene-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.scene-item{
  display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:16px 18px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.scene-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.scene-item i{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--accent-soft);
  display:grid;place-items:center;color:var(--brand);font-weight:800;font-size:13px;
  font-variant-numeric:tabular-nums;font-style:normal;
}
.scene-item b{display:block;font-size:15px;color:var(--ink)}
.scene-item span{display:block;font-size:13.5px;color:var(--ink-2);line-height:1.65;margin-top:4px}

/* 数据背书 */
.band{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .wrap{padding-top:44px;padding-bottom:44px}
.band-grid{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
@media(min-width:900px){.band-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.band-item{text-align:center}
.band-item strong{
  display:block;font-size:30px;font-weight:800;color:var(--brand);
  letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
@media(min-width:768px){.band-item strong{font-size:38px}}
.band-item strong em{font-style:normal;font-size:16px;color:var(--clay);margin-left:2px}
.band-item span{display:block;font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.6}

/* FAQ */
.faq{margin-top:34px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.faq-item+ .faq-item{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
  transition:background var(--ease),color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--surface-2);color:var(--brand)}
.faq-num{
  flex:0 0 auto;display:grid;place-items:center;width:24px;height:24px;
  border-radius:7px;background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
}
.faq-icon{
  margin-left:auto;flex:0 0 auto;width:20px;height:20px;
  fill:none;stroke:var(--brand-600);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;
  transition:transform var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-item[open] summary{color:var(--brand)}
.faq-answer{padding:0 24px 22px 62px;font-size:14px;line-height:1.85;color:var(--ink-2)}
@media(max-width:520px){
  .faq-item summary{padding:16px 18px;font-size:15px;gap:10px}
  .faq-answer{padding:0 18px 18px 54px}
}

/* CTA 横幅 */
.cta-band{padding:56px 0}
@media(min-width:1024px){.cta-band{padding:88px 0}}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#F2F7EC;
  padding:44px 26px;
  box-shadow:var(--sh-2);
}
@media(min-width:768px){.cta-inner{padding:56px 52px}}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.26;mix-blend-mode:luminosity;
}
.cta-inner::after{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:var(--accent);
}
.cta-content{position:relative;z-index:1;max-width:640px}
.cta-content h2{
  font-size:26px;line-height:1.25;font-weight:800;letter-spacing:-.015em;color:#FFFFFF;
}
@media(min-width:768px){.cta-content h2{font-size:34px}}
.cta-content p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(242,247,236,.82)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-actions .btn-ghost{border-color:rgba(242,247,236,.6);color:#F2F7EC}
.cta-actions .btn-ghost:hover{background:rgba(242,247,236,.14)}
.cta-note{margin-top:16px;font-size:12.5px;color:rgba(242,247,236,.6)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand);color:#EAF1E4;position:relative;
  border-top:4px solid var(--accent);
}
.footer-top{
  display:grid;gap:34px;padding:56px 0 40px;
  grid-template-columns:1fr;
}
@media(min-width:768px){.footer-top{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-top{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px}}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand-name{color:#FFFFFF}
.footer-brand .brand-name span{color:rgba(255,255,255,.72)}
.footer-brand .brand-mark{background:#0C2A1F;box-shadow:0 0 0 1px rgba(200,240,74,.5) inset}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:32em}
.footer-col h3{font-size:14px;font-weight:600;color:rgba(246,244,238,.72);letter-spacing:.04em;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.6}
.footer-contact b{flex:0 0 auto;font-weight:600;color:rgba(246,244,238,.6);min-width:34px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55)}
.socials{display:flex;gap:10px}
.socials a{
  width:36px;height:36px;border-radius:999px;display:grid;place-items:center;
  background:rgba(255,255,255,.10);
  transition:background var(--ease),transform var(--ease);
}
.socials a svg{width:18px;height:18px;fill:none;stroke:#EAF1E4;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:stroke var(--ease)}
.socials a:hover{background:var(--accent);transform:translateY(-2px)}
.socials a:hover svg{stroke:var(--brand)}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category3 */
:root{
  --brand:#123A2B;
  --brand-600:#1E5C3F;
  --brand-100:#E3EDE4;
  --accent:#C8F04A;
  --clay:#E8622B;
  --bg:#F6F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFF0E8;
  --ink:#14160F;
  --ink-2:#4A5044;
  --ink-3:#8A8F82;
  --line:rgba(20,22,15,0.10);
  --r-xl:28px;
  --r-lg:18px;
  --r-md:12px;
  --sh-1:0 1px 2px rgba(20,22,15,.04), 0 8px 24px -12px rgba(18,58,43,.18);
  --sh-2:0 18px 40px -18px rgba(18,58,43,.32);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:var(--accent);color:var(--brand)}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(18,58,43,.6)}
.nav{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:9px;flex:none}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--brand);color:var(--accent);
  display:grid;place-items:center;flex:none;box-shadow:0 6px 14px -8px rgba(18,58,43,.9);
}
.brand-mark svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--brand);white-space:nowrap}
.brand-name span{font-weight:600;color:var(--brand-600);margin-left:1px}
.brand-dot{width:18px;height:18px;color:var(--ink-3);display:grid;place-items:center;flex:none}
.brand-dot svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-links{display:flex;align-items:center;gap:22px;font-size:15px;margin-left:8px}
.nav-links a{position:relative;display:inline-block;padding:6px 0;color:var(--ink-2);transition:color .2s ease-out}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  background:var(--surface-2);border:1px solid transparent;border-radius:999px;
  transition:background .2s ease-out,border-color .2s ease-out;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand)}
.nav-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round}
.nav-search input{width:148px;border:0;background:transparent;outline:none;font-size:14px}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-plain{font-size:14px;color:var(--ink-2);transition:color .2s ease-out}
.nav-plain:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1.5px solid transparent;font-weight:700;cursor:pointer;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--accent);color:var(--brand);box-shadow:0 10px 22px -16px rgba(18,58,43,.9)}
.btn-primary:hover{background:#D6F86A;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:#BEE345}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(18,58,43,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.nav-search-btn,.menu-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);place-items:center;cursor:pointer;transition:background .2s ease-out,border-color .2s ease-out;
}
.nav-search-btn svg,.menu-toggle svg{width:19px;height:19px;fill:none;stroke:var(--brand);stroke-width:2;stroke-linecap:round}
.nav-search-btn:hover,.menu-toggle:hover{background:var(--brand-100);border-color:var(--brand-600)}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);z-index:120;
  background:var(--surface);padding:22px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(105%);transition:transform .25s ease-out;overflow-y:auto;
  box-shadow:-24px 0 60px -30px rgba(18,58,43,.6);
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);display:grid;place-items:center;cursor:pointer}
.drawer-close svg{width:18px;height:18px;fill:none;stroke:var(--brand);stroke-width:2;stroke-linecap:round}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line)}
.drawer-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round}
.drawer-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{display:block;padding:11px 12px;border-radius:12px;font-size:15px;color:var(--ink-2);transition:background .2s ease-out,color .2s ease-out}
.drawer-links a:hover,.drawer-links a.active{background:var(--brand-100);color:var(--brand);font-weight:700}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,15,.44);z-index:110;opacity:0;visibility:hidden;
  transition:opacity .25s ease-out,visibility .25s ease-out;
}
.drawer-mask.open{opacity:1;visibility:visible}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.18;filter:saturate(.85);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(246,244,238,.55) 0%,rgba(246,244,238,.9) 62%,var(--bg) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(232,98,43,.12);color:var(--clay);font-size:13px;font-weight:700;
  border:1px solid rgba(232,98,43,.22);
}
.hero h1{
  margin:18px 0 0;font-size:clamp(32px,4.2vw,52px);line-height:1.1;font-weight:800;letter-spacing:-.02em;color:var(--brand);
}
.hero h1 em{font-style:normal;position:relative;display:inline-block;color:var(--brand-600)}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:10px;background:var(--accent);
  opacity:.5;border-radius:4px;z-index:-1;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:33em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat-badge{
  display:flex;align-items:baseline;gap:8px;padding:10px 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.stat-badge strong{font-size:22px;font-weight:800;color:var(--brand);letter-spacing:-.02em}
.stat-badge span{font-size:12px;color:var(--ink-3)}
.hero-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--surface-2);
  box-shadow:var(--sh-2);border:1px solid var(--line);aspect-ratio:4/3.4;
}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,58,43,0) 42%,rgba(18,58,43,.72) 100%);
}
.hero-card-cap{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hero-card-cap b{display:block;font-size:15px;font-weight:700}
.hero-card-cap small{display:block;font-size:12px;color:rgba(255,255,255,.78);margin-top:2px}
.hero-float{
  position:absolute;top:18px;left:18px;z-index:2;background:var(--accent);color:var(--brand);
  font-size:12px;font-weight:800;padding:7px 13px;border-radius:999px;box-shadow:0 10px 20px -12px rgba(20,22,15,.6);
}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3vw,36px);line-height:1.2;font-weight:700;letter-spacing:-.01em;color:var(--brand)}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-600);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;
}
.kicker::before{content:"";width:20px;height:3px;border-radius:3px;background:var(--accent)}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:50%;top:12px;bottom:12px;width:2px;transform:translateX(-1px);
  background:linear-gradient(180deg,rgba(30,92,63,.05),rgba(30,92,63,.45) 12%,rgba(30,92,63,.45) 88%,rgba(30,92,63,.05));
}
.tl-item{position:relative;width:calc(50% - 44px);margin-bottom:26px}
.tl-item:nth-child(odd){margin-right:auto}
.tl-item:nth-child(even){margin-left:auto}
.tl-item::before{
  content:"";position:absolute;top:30px;width:14px;height:14px;border-radius:50%;
  background:var(--accent);border:3px solid var(--surface);box-shadow:0 0 0 2px var(--brand);
}
.tl-item:nth-child(odd)::before{right:-37px}
.tl-item:nth-child(even)::before{left:-37px}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,92,63,.28)}
.tl-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.tl-date{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(232,98,43,.12);color:var(--clay);font-size:12px;font-weight:800;letter-spacing:.02em;
}
.tl-place{font-size:12px;color:var(--ink-3)}
.tl-card h3{font-size:20px;line-height:1.4;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.tl-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);font-size:12px;font-weight:600;
}
.tag-clay{background:rgba(232,98,43,.10);color:var(--clay)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:700;color:var(--brand);
  background-image:linear-gradient(var(--brand),var(--brand));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1.5px;
  transition:background-size .2s ease-out;padding-bottom:2px;
}
.link-arrow:hover{background-size:100% 1.5px}
.link-arrow svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease-out}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ 速览条 ============ */
.strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:linear-gradient(135deg,#123A2B 0%,#1E5C3F 55%,#3F7A45 100%);
  border-radius:var(--r-xl);padding:34px 36px;color:#fff;box-shadow:var(--sh-2);
  position:relative;overflow:hidden;
}
.strip::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:rgba(200,240,74,.14);
}
.strip-item{position:relative;z-index:2;border-left:1px solid rgba(255,255,255,.18);padding-left:18px}
.strip-item:first-child{border-left:0;padding-left:0}
.strip-item strong{display:block;font-size:30px;font-weight:800;color:var(--accent);letter-spacing:-.02em;line-height:1.1}
.strip-item span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.78);line-height:1.6}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center}
.split-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--line)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4.2}
.split-media figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;background:rgba(246,244,238,.94);
  border-radius:var(--r-md);padding:10px 14px;font-size:12.5px;color:var(--ink-2);
}
.flow-list{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.flow-item{display:flex;gap:14px;align-items:flex-start}
.flow-num{
  flex:none;width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand);color:var(--accent);font-size:13px;font-weight:800;
}
.flow-item h3{font-size:16.5px;font-weight:700;color:var(--ink)}
.flow-item p{margin-top:4px;font-size:14.5px;line-height:1.75;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:0 24px;box-shadow:var(--sh-1);transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq details[open]{box-shadow:var(--sh-2);border-color:rgba(30,92,63,.26)}
.faq summary{
  display:flex;align-items:center;gap:12px;padding:20px 0;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .qmark{
  flex:none;width:22px;height:22px;border-radius:7px;background:var(--accent);color:var(--brand);
  display:grid;place-items:center;font-size:12px;font-weight:800;
}
.faq summary .chev{margin-left:auto;flex:none;width:20px;height:20px;fill:none;stroke:var(--brand-600);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease-out}
.faq details[open] summary .chev{transform:rotate(180deg)}
.faq .answer{padding:0 0 22px 34px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(135deg,#123A2B 0%,#1E5C3F 58%,#3F7A45 100%);
  padding:52px 56px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";position:absolute;left:-80px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:rgba(200,240,74,.15);
}
.cta-band h2{position:relative;z-index:2;font-size:clamp(24px,2.8vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.cta-band p{position:relative;z-index:2;margin-top:12px;font-size:15px;color:rgba(255,255,255,.8);max-width:36em}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;flex:none}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand);color:#fff;margin-top:88px;border-top:4px solid var(--accent)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 48px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-name span{color:rgba(255,255,255,.72)}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:var(--accent);box-shadow:none}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:24em}
.footer-col h3{font-size:14px;font-weight:600;color:rgba(255,255,255,.55);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease-out}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}
.footer-contact b{font-weight:600;color:rgba(255,255,255,.5);flex:none;min-width:36px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.6);
}
.socials{display:flex;gap:10px}
.socials a{
  width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;
  transition:background .2s ease-out,transform .2s ease-out;
}
.socials a svg{width:17px;height:17px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s ease-out}
.socials a:hover{background:var(--accent);transform:translateY(-2px)}
.socials a:hover svg{stroke:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .nav-links{gap:16px;font-size:14px}
  .nav-search{display:none}
  .nav-plain{display:none}
}
@media (max-width:960px){
  .nav-links{display:none}
  .nav-search-btn{display:grid}
  .menu-toggle{display:grid}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-card{aspect-ratio:16/10}
  .split{grid-template-columns:1fr;gap:32px}
  .strip{grid-template-columns:repeat(2,1fr);gap:24px;padding:30px 26px}
  .strip-item:nth-child(3){border-left:0;padding-left:0}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 30px}
  .timeline::before{left:14px;transform:none}
  .tl-item{width:100%;margin-left:0 !important;margin-right:0 !important}
  .tl-item::before{left:7px;right:auto;top:28px}
  .tl-card{margin-left:44px}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .nav{height:64px;gap:10px}
  .brand-name{font-size:16px}
  .brand-dot{display:none}
  .nav-plain{display:none}
  .btn-sm{height:34px;padding:0 14px;font-size:13px}
  .hero{padding:44px 0 52px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:10px}
  .stat-badge{padding:8px 14px}
  .stat-badge strong{font-size:19px}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .tl-card{padding:20px;margin-left:36px}
  .tl-card h3{font-size:18px}
  .strip{grid-template-columns:1fr;gap:20px}
  .strip-item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.16);padding-top:16px}
  .strip-item:first-child{border-top:0;padding-top:0}
  .cta-band{padding:34px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:30px;padding:44px 0 34px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .site-footer{margin-top:56px}
  .faq details{padding:0 18px}
  .faq .answer{padding-left:0}
}

/* roulang page: category2 */
:root{
  --brand:#123A2B;
  --brand-600:#1E5C3F;
  --brand-100:#E3EDE4;
  --accent:#C8F04A;
  --clay:#E8622B;
  --bg:#F6F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFF0E8;
  --ink:#14160F;
  --ink-2:#4A5044;
  --ink-3:#8A8F82;
  --line:rgba(20,22,15,0.10);
  --line-2:rgba(20,22,15,0.18);
  --r-xl:28px;
  --r-lg:18px;
  --r-md:12px;
  --sh-1:0 1px 2px rgba(20,22,15,.04),0 8px 24px -12px rgba(18,58,43,.18);
  --sh-2:0 18px 40px -18px rgba(18,58,43,.32);
  --grad:linear-gradient(135deg,#123A2B 0%,#1E5C3F 55%,#3F7A45 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.locked{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;border:1.5px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn-sm{font-size:14px;padding:9px 18px}
.btn-lg{font-size:16px;padding:14px 28px}
.btn-primary{background:var(--accent);color:var(--ink);border-color:var(--accent);box-shadow:0 10px 20px -14px rgba(18,58,43,.8)}
.btn-primary:hover{background:#D6F86A;border-color:#D6F86A;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:#BEE33F}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(18,58,43,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-light:hover{background:rgba(255,255,255,.24)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.link-underline{
  color:var(--brand);font-weight:600;
  background-image:linear-gradient(var(--brand),var(--brand));
  background-size:0% 2px;background-position:0 100%;background-repeat:no-repeat;
  transition:background-size .2s ease-out,color .2s ease-out;
}
.link-underline:hover{background-size:100% 2px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.94);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-stuck{
  background:rgba(246,244,238,.84);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 8px 20px -18px rgba(18,58,43,.6);
}
.nav{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--brand);
  display:grid;place-items:center;flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(200,240,74,.55);
}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:var(--accent);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--brand);line-height:1}
.brand-name span{font-weight:600;color:var(--brand-600)}
.brand-dot{display:inline-flex;align-items:center;color:var(--ink-3);margin-left:2px}
.brand-dot svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:8px}
.nav-links a{
  position:relative;display:inline-block;font-size:15px;font-weight:500;
  color:var(--ink-2);padding:6px 0;transition:color .2s ease-out;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;background:var(--surface-2);
  border:1px solid var(--line);border-radius:999px;padding:7px 14px;
  transition:background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,92,63,.12)}
.nav-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:1.8;stroke-linecap:round;flex:0 0 auto}
.nav-search input{border:0;background:transparent;outline:none;font-size:14px;width:150px;color:var(--ink)}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-plain{font-size:14px;font-weight:500;color:var(--ink-2);transition:color .2s ease-out}
.nav-plain:hover{color:var(--brand)}
.nav-search-btn,.menu-toggle{
  display:none;width:40px;height:40px;border-radius:999px;background:#fff;
  border:1px solid var(--line);align-items:center;justify-content:center;
  transition:background-color .2s ease-out,border-color .2s ease-out;
}
.nav-search-btn svg,.menu-toggle svg{width:20px;height:20px;fill:none;stroke:var(--ink-2);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-search-btn:hover,.menu-toggle:hover{background:var(--surface-2);border-color:var(--line-2)}
.nav-search-btn:focus-visible,.menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);
  background:var(--surface);z-index:90;padding:20px;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  transform:translateX(100%);transition:transform .25s ease-out;
  box-shadow:-24px 0 48px -28px rgba(18,58,43,.5);
}
.drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,15,.45);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .2s ease-out;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:15px;font-weight:700;color:var(--brand)}
.drawer-close{
  width:36px;height:36px;border-radius:999px;border:1px solid var(--line);
  display:grid;place-items:center;font-size:20px;line-height:1;color:var(--ink-2);
  transition:background-color .2s ease-out;
}
.drawer-close:hover{background:var(--surface-2)}
.drawer-search{
  display:flex;align-items:center;gap:8px;background:var(--surface-2);
  border:1px solid var(--line);border-radius:999px;padding:10px 14px;
}
.drawer-search input{border:0;background:transparent;outline:none;font-size:14px;width:100%;color:var(--ink)}
.drawer-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:1.8;stroke-linecap:round}
.drawer-links{display:grid;gap:2px}
.drawer-links a{
  display:block;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:12px 4px;border-bottom:1px solid var(--line);
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.drawer-links a:hover{color:var(--brand);padding-left:8px}
.drawer-links a.active{color:var(--brand);font-weight:700}
.drawer-cta{display:grid;gap:10px;margin-top:auto;padding-top:8px}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:36px 0 52px;border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.12;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(58% 76% at 88% 8%,rgba(200,240,74,.20),rgba(200,240,74,0) 62%);
}
.page-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.crumbs li{display:inline-flex;align-items:center;gap:6px}
.crumbs li::after{content:"/";color:var(--ink-3);opacity:.7}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--ink-3);transition:color .2s ease-out}
.crumbs a:hover{color:var(--brand)}
.crumbs [aria-current="page"]{color:var(--ink-2);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:960px){.hero-grid{grid-template-columns:1.12fr .88fr;gap:52px}}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.08em;color:var(--brand-600);background:var(--brand-100);
  border:1px solid rgba(18,58,43,.14);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.hero-kicker i{width:6px;height:6px;border-radius:999px;background:var(--clay);display:inline-block}
.hero-title{
  font-family:"Noto Serif SC","Songti SC","PingFang SC",serif;
  font-size:32px;line-height:1.14;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  margin-bottom:16px;
}
@media (min-width:640px){.hero-title{font-size:40px}}
@media (min-width:1024px){.hero-title{font-size:50px}}
.hero-title em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero-title em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:rgba(200,240,74,.55);border-radius:4px;z-index:-1;
}
.hero-sub{font-size:16px;line-height:1.8;color:var(--ink-2);max-width:56ch;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.stats{display:flex;flex-wrap:wrap;gap:12px}
.stat{
  display:flex;align-items:baseline;gap:8px;background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:9px 16px;
  box-shadow:var(--sh-1);
}
.stat strong{
  font-size:23px;font-weight:800;color:var(--brand);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1;
}
.stat span{font-size:12px;color:var(--ink-3);white-space:nowrap}
.hero-figure{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-2);box-shadow:var(--sh-2);background:var(--surface-2);
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,58,43,0) 42%,rgba(18,58,43,.52) 100%);
}
.float-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(246,244,238,.95);border:1px solid rgba(18,58,43,.18);
  border-radius:999px;padding:8px 15px;font-size:12px;font-weight:700;color:var(--brand);
}
.float-tag i{width:7px;height:7px;border-radius:999px;background:var(--clay);display:inline-block}

/* ---------- 通用板块 ---------- */
.section{padding:48px 0}
@media (min-width:768px){.section{padding:72px 0}}
.section-head{margin-bottom:28px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--clay);text-transform:uppercase;margin-bottom:10px;
}
h2.sec-title{
  font-family:"Noto Serif SC","Songti SC","PingFang SC",serif;
  font-size:26px;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--ink);
}
@media (min-width:768px){h2.sec-title{font-size:34px}}
.sec-desc{font-size:15px;color:var(--ink-2);margin-top:12px;max-width:62ch}

/* ---------- 课程目录 + 长文流 ---------- */
.course-layout{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){
  .course-layout{grid-template-columns:268px minmax(0,1fr);gap:52px;align-items:start}
}
.toc{
  background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:var(--sh-1);position:relative;
}
.toc::before{
  content:"";position:absolute;inset:6px;border:1px dashed rgba(20,22,15,.10);
  border-radius:calc(var(--r-lg) - 6px);pointer-events:none;
}
@media (min-width:1024px){.toc{position:sticky;top:96px}}
.toc-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);
  margin-bottom:12px;position:relative;z-index:1;
}
.toc-list{counter-reset:toc;position:relative;z-index:1}
.toc-list li{border-bottom:1px dashed var(--line)}
.toc-list li:last-child{border-bottom:0}
.toc-list a{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.5;
  color:var(--ink-2);padding:10px 0;transition:color .2s ease-out,padding-left .2s ease-out;
}
.toc-list a:hover{color:var(--brand);padding-left:4px}
.toc-list a::before{
  counter-increment:toc;content:counter(toc,decimal-leading-zero);
  font-size:11px;font-weight:800;color:var(--ink-3);
  font-variant-numeric:tabular-nums;padding-top:2px;
}
.toc-list a.is-active{color:var(--brand);font-weight:700}
.toc-list a.is-active::before{color:var(--clay)}
.toc-note{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;line-height:1.7;color:var(--ink-3);position:relative;z-index:1;
}

.step{padding-bottom:34px;margin-bottom:34px;border-bottom:1px dashed var(--line-2);scroll-margin-top:96px}
.step:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0}
.step-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.step-no{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:var(--accent);font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;flex:0 0 auto;
  box-shadow:0 8px 16px -12px rgba(18,58,43,.9);
}
.step h2{
  font-family:"Noto Serif SC","Songti SC","PingFang SC",serif;
  font-size:21px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:-.01em;
}
@media (min-width:768px){.step h2{font-size:24px}}
.step p{font-size:15.5px;line-height:1.85;color:var(--ink-2);margin-bottom:18px}
.points{display:grid;gap:11px;margin-bottom:20px}
.points li{position:relative;padding-left:22px;font-size:15px;line-height:1.75;color:var(--ink-2)}
.points li::before{
  content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 0 1px rgba(18,58,43,.22);
}
.points li b{color:var(--ink);font-weight:700}
.step-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--surface-2);margin-top:20px;box-shadow:var(--sh-1);
}
.step-figure img{width:100%;aspect-ratio:16/8;object-fit:cover}
.step-cap{font-size:13px;color:var(--ink-3);margin-top:10px}

/* 场景分区横向条 */
.scene-strip{
  display:grid;grid-template-columns:1fr;gap:0;
  background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);margin:36px 0;
}
@media (min-width:768px){.scene-strip{grid-template-columns:repeat(3,1fr)}}
.scene{padding:24px 22px;border-bottom:1px dashed var(--line-2);transition:background-color .2s ease-out}
.scene:last-child{border-bottom:0}
@media (min-width:768px){
  .scene{border-bottom:0;border-right:1px dashed var(--line-2)}
  .scene:last-child{border-right:0}
}
.scene:hover{background:var(--surface-2)}
.scene-tag{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;
  color:var(--clay);background:rgba(232,98,43,.10);border-radius:6px;
  padding:3px 9px;margin-bottom:12px;
}
.scene h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:8px}
.scene p{font-size:14px;line-height:1.75;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq{
  background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  display:flex;align-items:center;gap:12px;cursor:pointer;list-style:none;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--surface-2);color:var(--brand)}
.faq summary:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq .q-no{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:var(--accent);
  color:var(--brand);font-size:12px;font-weight:800;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.faq .arrow{
  margin-left:auto;flex:0 0 auto;width:20px;height:20px;
  fill:none;stroke:var(--ink-3);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;
  transition:transform .2s ease-out,stroke .2s ease-out;
}
.faq details[open] summary .arrow{transform:rotate(180deg);stroke:var(--brand)}
.faq .answer{padding:0 22px 20px 56px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}
@media (max-width:520px){.faq .answer{padding:0 20px 20px 20px}}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:36px 26px;
  box-shadow:var(--sh-2);
}
@media (min-width:768px){.cta-band{padding:52px 48px}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:rgba(200,240,74,.16);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:24px}
@media (min-width:900px){.cta-inner{grid-template-columns:1.5fr auto;align-items:center;gap:40px}}
.cta-band h2{
  font-family:"Noto Serif SC","Songti SC","PingFang SC",serif;
  font-size:26px;line-height:1.3;font-weight:700;letter-spacing:-.01em;margin-bottom:12px;
}
@media (min-width:768px){.cta-band h2{font-size:32px}}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand);color:rgba(255,255,255,.8);margin-top:64px;position:relative}
@media (min-width:768px){.site-footer{margin-top:88px}}
.site-footer::before{content:"";display:block;height:4px;background:var(--accent)}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0 36px}
@media (min-width:768px){
  .footer-top{grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:40px;padding:56px 0 44px}
}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-name span{color:rgba(255,255,255,.72)}
.site-footer .brand-mark{background:rgba(255,255,255,.14);box-shadow:inset 0 0 0 1px rgba(200,240,74,.6)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);margin-top:16px;max-width:36ch}
.footer-col h3{font-size:14px;font-weight:600;letter-spacing:.02em;color:rgba(246,244,238,.62);margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.footer-contact b{flex:0 0 auto;font-weight:600;color:rgba(246,244,238,.56)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.socials{display:flex;gap:10px}
.socials a{
  width:36px;height:36px;border-radius:999px;background:rgba(255,255,255,.1);
  display:grid;place-items:center;
  transition:background-color .2s ease-out,transform .2s ease-out;
}
.socials svg{width:18px;height:18px;fill:none;stroke:rgba(255,255,255,.82);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s ease-out}
.socials a:hover{background:var(--accent);transform:translateY(-2px)}
.socials a:hover svg{stroke:var(--brand)}
.socials a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 响应式导航 ---------- */
@media (max-width:1180px){
  .nav-search{display:none}
  .nav-search-btn{display:inline-flex}
}
@media (max-width:1040px){
  .nav-links{display:none}
  .nav-plain{display:none}
  .menu-toggle{display:inline-flex}
  .nav{gap:12px}
}
@media (max-width:560px){
  .nav{height:64px}
  .brand-name{font-size:16px}
  .brand-dot{display:none}
  .nav-cta{font-size:13px;padding:8px 14px}
  .hero-actions .btn{flex:1 1 auto}
  .stat strong{font-size:20px}
  .section{padding:44px 0}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
  --brand:#123A2B;
  --brand-600:#1E5C3F;
  --brand-100:#E3EDE4;
  --accent:#C8F04A;
  --accent-2:#D6F86A;
  --clay:#E8622B;
  --bg:#F6F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFF0E8;
  --ink:#14160F;
  --ink-2:#4A5044;
  --ink-3:#8A8F82;
  --line:rgba(20,22,15,0.10);
  --r-xl:28px;
  --r-lg:18px;
  --r-md:12px;
  --sh-1:0 1px 2px rgba(20,22,15,.04),0 8px 24px -12px rgba(18,58,43,.18);
  --sh-2:0 18px 40px -18px rgba(18,58,43,.32);
  --grad:linear-gradient(135deg,#123A2B 0%,#1E5C3F 55%,#3F7A45 100%);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.lock{overflow:hidden;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
::selection{background:var(--accent);color:var(--ink);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.wrap{padding:0 32px;}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out,background .2s ease-out;
}
.site-header.scrolled{box-shadow:0 10px 30px -18px rgba(18,58,43,.35);background:rgba(246,244,238,.97);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:var(--brand);
  display:grid;place-items:center;
  box-shadow:0 4px 12px -6px rgba(18,58,43,.6);
}
.brand-mark svg{width:16px;height:16px;color:var(--accent);stroke-width:2.1;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;}
.brand-name span{font-weight:600;color:var(--brand-600);}
.brand-dot{display:grid;place-items:center;width:20px;height:20px;color:var(--clay);}
.brand-dot svg{width:18px;height:18px;stroke-width:1.8;}
@media (max-width:1080px){.brand-dot{display:none;}}

.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:999px;
  font-size:15px;color:var(--ink-2);
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-100);}
.nav-links a.active{color:var(--ink);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:18px;height:3px;border-radius:2px;
  background:var(--accent);transform:translateX(-50%);
}

.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--surface-2);
  border:1px solid transparent;
  border-radius:999px;
  padding:7px 14px;
  transition:background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.nav-search:focus-within{background:var(--surface);border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,58,43,.08);}
.nav-search svg{width:16px;height:16px;color:var(--ink-3);flex:0 0 auto;}
.nav-search input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);width:150px;font-family:var(--font);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-plain{
  font-size:14px;color:var(--ink-2);padding:8px 4px;
  background-image:linear-gradient(var(--brand),var(--brand));
  background-size:0% 2px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .2s ease-out,color .2s ease-out;
}
.nav-plain:hover{color:var(--brand);background-size:100% 2px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;
  padding:12px 22px;cursor:pointer;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(18,58,43,.7);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(18,58,43,.08);transform:translateY(-1px);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-lg{padding:15px 30px;font-size:16px;}

.nav-search-btn,.menu-toggle{
  display:none;width:38px;height:38px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  place-items:center;cursor:pointer;
  transition:background .2s ease-out,border-color .2s ease-out;
}
.nav-search-btn svg,.menu-toggle svg{width:19px;height:19px;color:var(--ink-2);}
.nav-search-btn:hover,.menu-toggle:hover{background:var(--brand-100);border-color:var(--brand-100);}

@media (max-width:1080px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-plain{display:none;}
  .nav-search-btn{display:grid;}
  .menu-toggle{display:grid;}
}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(20,22,15,.45);
  opacity:0;pointer-events:none;transition:opacity .2s ease-out;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;z-index:80;
  width:min(86vw,350px);height:100dvh;
  background:var(--surface);border-left:1px solid var(--line);
  padding:20px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);transition:transform .22s ease-out;
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-title{font-size:16px;font-weight:800;color:var(--brand);}
.drawer-close{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface-2);cursor:pointer;display:grid;place-items:center;
  font-size:18px;line-height:1;color:var(--ink-2);
}
.drawer-search{display:flex;align-items:center;gap:8px;background:var(--surface-2);border-radius:999px;padding:9px 14px;}
.drawer-search svg{width:16px;height:16px;color:var(--ink-3);}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;font-family:var(--font);}
.drawer-links{display:flex;flex-direction:column;gap:2px;}
.drawer-links a{
  display:block;padding:11px 12px;border-radius:12px;
  font-size:15px;color:var(--ink-2);transition:background .2s ease-out,color .2s ease-out;
}
.drawer-links a:hover{background:var(--brand-100);color:var(--brand);}
.drawer-links a.active{background:var(--brand-100);color:var(--brand);font-weight:700;}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:56px 0 64px;
  background:
    radial-gradient(120% 90% at 88% -10%,rgba(200,240,74,.24) 0%,rgba(246,244,238,0) 62%),
    radial-gradient(80% 70% at 0% 10%,rgba(18,58,43,.07) 0%,rgba(246,244,238,0) 60%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  color:var(--clay);background:rgba(232,98,43,.10);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--clay);display:inline-block;}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.12;font-weight:800;letter-spacing:-.02em;
  color:var(--ink);
}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap;}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
  background:rgba(200,240,74,.55);border-radius:3px;z-index:-1;
}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.8;color:var(--ink-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.badge{
  display:flex;align-items:baseline;gap:8px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:10px 18px;box-shadow:var(--sh-1);
}
.badge strong{
  font-size:24px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1;
}
.badge span{font-size:12px;color:var(--ink-3);letter-spacing:.02em;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);
  background:var(--brand-100);
  box-shadow:var(--sh-2);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-xl);
  background:linear-gradient(180deg,rgba(18,58,43,0) 45%,rgba(18,58,43,.55) 100%);
  pointer-events:none;
}
.hero-float{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:flex;align-items:center;gap:10px;
  background:var(--surface);border-radius:16px;
  padding:11px 16px;box-shadow:var(--sh-2);
  border:1px solid var(--line);
}
.hero-float b{display:block;font-size:14px;font-weight:800;color:var(--brand);line-height:1.2;}
.hero-float small{font-size:12px;color:var(--ink-3);}
.hero-float .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(200,240,74,.35);flex:0 0 auto;}

/* ---------- generic section ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:88px 0;}}
.sec-head{max-width:720px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(26px,3.2vw,34px);line-height:1.22;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
.sec-head p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.sec-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-600);background:var(--brand-100);
  padding:4px 12px;border-radius:999px;margin-bottom:14px;text-transform:uppercase;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:999px;
  background:rgba(232,98,43,.10);color:var(--clay);
}
.pill-green{background:var(--brand-100);color:var(--brand-600);}
.pill-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.bento-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:26px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  overflow:hidden;
}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,58,43,.18);}
.bento-item h3{font-size:20px;font-weight:700;line-height:1.4;color:var(--ink);}
.bento-item p{font-size:14px;line-height:1.8;color:var(--ink-2);}
.b-tall{grid-column:span 2;grid-row:span 2;}
.b-wide{grid-column:span 4;}
.b-photo{padding:0;justify-content:flex-end;}
.b-photo img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  background:var(--brand-100);
  transition:transform .4s ease-out;
}
.b-photo:hover img{transform:scale(1.04);}
.b-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,58,43,.10) 0%,rgba(18,58,43,.78) 100%);
}
.b-photo .b-photo-body{position:relative;z-index:2;padding:28px;color:#fff;}
.b-photo .b-photo-body h3{color:#fff;font-size:24px;}
.b-photo .b-photo-body p{color:rgba(255,255,255,.82);margin-top:8px;max-width:420px;}
.b-photo .b-photo-body .pill{background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(4px);}
.b-stat{justify-content:center;align-items:flex-start;background:var(--surface-2);border-color:transparent;}
.b-stat strong{
  font-size:clamp(30px,4vw,40px);font-weight:800;line-height:1;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.b-stat span{font-size:13px;color:var(--ink-2);}
.b-quote{background:var(--brand);border-color:transparent;justify-content:center;}
.b-quote blockquote{font-size:16px;line-height:1.8;color:#F2F5EE;font-weight:500;}
.b-quote cite{display:block;margin-top:14px;font-style:normal;font-size:12px;color:rgba(200,240,74,.9);letter-spacing:.04em;}
.b-list{gap:10px;}
.b-list li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--ink-2);
  padding:8px 0;border-bottom:1px dashed var(--line);
}
.b-list li:last-child{border-bottom:0;padding-bottom:0;}
.b-list li b{font-weight:700;color:var(--ink);}
.b-list li .n{
  margin-left:auto;font-size:12px;color:var(--clay);font-weight:700;
  font-variant-numeric:tabular-nums;
}
.b-wide-inner{display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;}
.b-wide-inner .b-wide-text{flex:1 1 320px;min-width:0;}
.b-wide-inner h3{font-size:22px;}
@media (max-width:1024px){
  .bento{grid-template-columns:repeat(2,1fr);}
  .b-tall{grid-column:span 2;grid-row:span 1;}
  .b-wide{grid-column:span 2;}
}
@media (max-width:640px){
  .bento{grid-template-columns:1fr;gap:16px;}
  .b-tall,.b-wide{grid-column:span 1;}
  .b-photo{min-height:260px;}
  .b-photo .b-photo-body{padding:22px;}
  .b-photo .b-photo-body h3{font-size:20px;}
}

/* ---------- rhythm ---------- */
.rhythm{display:flex;flex-direction:column;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-1);overflow:hidden;}
.rhythm-row{
  display:grid;grid-template-columns:150px 1fr auto;gap:20px;align-items:center;
  padding:22px 26px;border-bottom:1px dashed var(--line);
  transition:background .2s ease-out,padding-left .2s ease-out;
}
.rhythm-row:last-child{border-bottom:0;}
.rhythm-row:hover{background:var(--surface-2);padding-left:32px;}
.rhythm-day{font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.02em;}
.rhythm-row h3{font-size:17px;font-weight:700;color:var(--ink);}
.rhythm-row p{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin-top:4px;}
@media (max-width:768px){
  .rhythm-row{grid-template-columns:1fr;gap:8px;padding:20px;}
  .rhythm-row:hover{padding-left:20px;}
  .rhythm-row .pill{align-self:flex-start;}
}

/* ---------- rules ---------- */
.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-1);}
.rule{padding:28px;border-right:1px dashed var(--line);}
.rule:last-child{border-right:0;}
.rule .num{
  display:inline-grid;place-items:center;
  width:30px;height:30px;border-radius:9px;
  background:var(--brand-100);color:var(--brand);
  font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.rule h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.rule p{font-size:14px;line-height:1.8;color:var(--ink-2);}
@media (max-width:900px){
  .rules{grid-template-columns:1fr;}
  .rule{border-right:0;border-bottom:1px dashed var(--line);}
  .rule:last-child{border-bottom:0;}
}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step .step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:999px;
  background:var(--accent);color:var(--ink);
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.8;color:var(--ink-2);}
.step::after{
  content:"";position:absolute;top:42px;right:-22px;width:22px;height:0;
  border-top:2px dashed rgba(18,58,43,.25);
}
.step:last-child::after{display:none;}
@media (max-width:1024px){
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(2)::after{display:none;}
}
@media (max-width:640px){
  .steps{grid-template-columns:1fr;gap:16px;}
  .step::after{display:none;}
}

/* ---------- faq ---------- */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:0;}
.faq summary{
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:background .2s ease-out;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{background:var(--surface-2);}
.faq summary .q-mark{
  flex:0 0 auto;width:20px;height:20px;border-radius:5px;
  background:var(--accent);color:var(--brand);
  display:grid;place-items:center;font-size:12px;font-weight:800;
}
.faq summary .chev{
  margin-left:auto;flex:0 0 auto;width:18px;height:18px;color:var(--ink-3);
  transition:transform .2s ease-out;
}
.faq details[open] summary .chev{transform:rotate(180deg);}
.faq .answer{padding:0 24px 22px 58px;font-size:14px;line-height:1.85;color:var(--ink-2);}
@media (max-width:640px){
  .faq summary{padding:16px 18px;font-size:15px;}
  .faq .answer{padding:0 18px 18px 46px;}
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:44px 32px;
  display:grid;grid-template-columns:1.2fr auto;gap:28px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";position:absolute;right:-70px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:rgba(200,240,74,.16);
}
.cta-band::after{
  content:"";position:absolute;left:-40px;bottom:-120px;width:220px;height:220px;
  border-radius:50%;border:2px dashed rgba(255,255,255,.18);
}
.cta-band h2{position:relative;z-index:2;color:#fff;font-size:clamp(24px,3vw,32px);line-height:1.25;font-weight:700;}
.cta-band p{position:relative;z-index:2;margin-top:12px;color:rgba(255,255,255,.82);font-size:15px;line-height:1.8;max-width:560px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);}
@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:34px 24px;}
}

/* ---------- footer ---------- */
.site-footer{
  margin-top:56px;
  background:var(--brand);
  border-top:4px solid var(--accent);
  color:rgba(255,255,255,.7);
}
@media (min-width:768px){.site-footer{margin-top:88px;}}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding:56px 0 40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-name span{color:rgba(255,255,255,.72);}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);}
.footer-brand .brand-mark svg{color:var(--accent);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px;}
.footer-col h3{
  font-size:14px;font-weight:600;color:rgba(246,244,238,.92);
  margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease-out;}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{display:flex;flex-direction:column;gap:2px;font-size:14px;color:rgba(255,255,255,.7);}
.footer-contact b{font-weight:600;color:rgba(246,244,238,.92);font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 32px;border-top:1px solid rgba(255,255,255,.14);
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55);}
.socials{display:flex;gap:10px;}
.socials a{
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.10);
  display:grid;place-items:center;
  transition:background .2s ease-out,transform .2s ease-out;
}
.socials a svg{width:17px;height:17px;color:rgba(255,255,255,.85);transition:color .2s ease-out;}
.socials a:hover{background:var(--accent);transform:translateY(-2px);}
.socials a:hover svg{color:var(--brand);}
@media (max-width:1024px){
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding-top:44px;}
}
@media (max-width:640px){
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
  --brand:#123A2B;
  --brand-600:#1E5C3F;
  --brand-100:#E3EDE4;
  --accent:#C8F04A;
  --clay:#E8622B;
  --bg:#F6F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFF0E8;
  --ink:#14160F;
  --ink-2:#4A5044;
  --ink-3:#8A8F82;
  --line:rgba(20,22,15,.10);
  --r-xl:28px;
  --r-lg:18px;
  --r-md:12px;
  --sh-1:0 1px 2px rgba(20,22,15,.04),0 8px 24px -12px rgba(18,58,43,.18);
  --sh-2:0 18px 40px -18px rgba(18,58,43,.32);
  --grad:linear-gradient(135deg,#123A2B 0%,#1E5C3F 55%,#3F7A45 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
html body.no-scroll{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;cursor:pointer;text-decoration:none;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#14160F}
.btn-primary:hover{background:#D6F86A;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(18,58,43,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{display:flex;width:100%}
.link-underline{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);
  background-image:linear-gradient(var(--brand),var(--brand));
  background-size:0% 2px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .2s ease-out;
}
.link-underline:hover{background-size:100% 2px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.94);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,backdrop-filter .2s ease-out;
}
.site-header.is-scrolled{
  background:rgba(246,244,238,.82);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px -24px rgba(18,58,43,.6);
}
.nav{display:flex;align-items:center;gap:14px;height:72px}
.brand{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--brand);display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(200,240,74,.35)}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--brand);white-space:nowrap}
.brand-name span{font-weight:600;color:var(--brand-600)}
.brand-dot{display:inline-flex;align-items:center;justify-content:center}
.brand-dot svg{width:19px;height:19px;fill:none;stroke:var(--brand-600);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.8}
.nav-links{display:none;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;padding:8px;font-size:14.5px;color:var(--ink-2);border-radius:10px;
  transition:color .2s ease-out,background-color .2s ease-out;
}
.nav-links a:hover{color:var(--brand);background:var(--surface-2)}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:8px;right:8px;bottom:-1px;height:3px;border-radius:3px;background:var(--accent);
}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{display:none;align-items:center;gap:8px;background:var(--surface-2);border:1px solid transparent;border-radius:999px;padding:8px 14px;transition:border-color .2s,background-color .2s,box-shadow .2s}
.nav-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round}
.nav-search input{width:150px;border:0;background:transparent;font-size:13.5px;color:var(--ink);font-family:inherit}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{outline:none}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,58,43,.10)}
.nav-plain{display:none;font-size:14.5px;color:var(--ink-2);padding:8px 6px;border-radius:10px;transition:color .2s,background-color .2s}
.nav-plain:hover{color:var(--brand);background:var(--surface-2)}
.nav-cta{display:none}
.nav-search-btn,.menu-toggle{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand);cursor:pointer;
  transition:background-color .2s,border-color .2s,transform .2s;
}
.nav-search-btn svg,.menu-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-search-btn:hover,.menu-toggle:hover{background:var(--surface-2);border-color:rgba(18,58,43,.25)}
.menu-toggle:active{transform:scale(.96)}
@media(min-width:520px){
  .nav-cta{display:inline-flex}
}
@media(min-width:1024px){
  .nav{gap:18px}
  .nav-links{display:flex}
  .nav-search{display:flex}
  .nav-plain{display:inline-block}
  .nav-right{margin-left:0}
  .nav-search-btn,.menu-toggle{display:none}
}
@media(min-width:1180px){
  .nav-links a{font-size:15px;padding:8px 10px}
  .nav-search input{width:180px}
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,15,.42);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .2s ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:80;
  background:var(--bg);border-left:1px solid var(--line);
  box-shadow:-24px 0 48px -30px rgba(18,58,43,.6);
  transform:translateX(100%);transition:transform .2s ease-out;
  display:flex;flex-direction:column;padding:18px 20px 26px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-head span{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.06em}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--brand);cursor:pointer}
.drawer-close:hover{background:var(--surface-2)}
.drawer-links{padding:14px 0;display:grid;gap:2px}
.drawer-links a{display:block;padding:11px 12px;border-radius:12px;font-size:15.5px;color:var(--ink);transition:background-color .2s,color .2s}
.drawer-links a:hover{background:var(--surface-2);color:var(--brand)}
.drawer-links a.active{color:var(--brand);font-weight:600;background:var(--brand-100)}
.drawer-search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 14px;margin:6px 0 16px}
.drawer-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round}
.drawer-search input{flex:1;border:0;background:transparent;font-size:14px;font-family:inherit;color:var(--ink)}
.drawer-search input:focus{outline:none}
.drawer-foot{margin-top:auto;display:grid;gap:10px;padding-top:16px;border-top:1px solid var(--line)}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--brand);background:var(--brand-100);border-radius:999px;padding:6px 13px;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--accent);box-shadow:0 0 0 2px rgba(200,240,74,.35)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.2;font-weight:700;letter-spacing:-.015em;color:var(--ink);margin-top:12px}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:620px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 面包屑 ---------- */
.crumb{padding-top:22px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li:not(:last-child)::after{content:"/";color:rgba(20,22,15,.25)}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.crumb [aria-current="page"]{color:var(--brand);font-weight:600}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:30px 0 56px}
.hero::before{
  content:"";position:absolute;inset:-30% 35% 30% -15%;pointer-events:none;
  background:radial-gradient(circle at 34% 34%,rgba(30,92,63,.15),transparent 64%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr);gap:36px;align-items:center}
.hero h1{
  font-size:clamp(30px,7vw,46px);line-height:1.12;font-weight:800;letter-spacing:-.02em;color:var(--brand);margin-top:16px;
}
.hero h1 .hl{
  position:relative;white-space:nowrap;
  background-image:linear-gradient(transparent 66%,rgba(200,240,74,.75) 66%);
  background-repeat:no-repeat;background-size:100% 100%;
}
.hero-lead{margin-top:18px;font-size:16.5px;line-height:1.8;color:var(--ink-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;gap:10px;margin-top:30px;overflow-x:auto;padding-bottom:4px}
.stat{
  flex:0 0 auto;display:inline-flex;align-items:baseline;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 18px;box-shadow:var(--sh-1);
}
.stat strong{font-size:24px;line-height:1;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:var(--ink-3);white-space:nowrap}
.hero-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);background:var(--brand-100);aspect-ratio:4/3.2}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,58,43,0) 40%,rgba(18,58,43,.55) 100%);
}
.hero-float{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.95);border:1px solid rgba(255,255,255,.6);
  border-radius:var(--r-md);padding:10px 14px;box-shadow:var(--sh-1);
}
.hero-float b{font-size:13.5px;color:var(--brand)}
.hero-float i{
  width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(200,240,74,.3);font-style:normal;
}
@media(min-width:900px){
  .hero{padding:36px 0 84px}
  .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px}
  .hero h1{font-size:clamp(38px,4.2vw,52px)}
}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:30px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 17px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink-2);cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.chip:hover{border-color:rgba(18,58,43,.3);color:var(--brand);transform:translateY(-1px)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.chip.is-active:hover{color:#fff}
.filter-note{font-size:13px;color:var(--ink-3);margin-left:auto}

/* ---------- 场馆错位卡片 ---------- */
.venue-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:0}
.venue-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.venue-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:rgba(18,58,43,.18)}
.venue-card.is-hidden{display:none}
.venue-media{position:relative;aspect-ratio:16/10;background:var(--surface-2);overflow:hidden}
.venue-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.venue-card:hover .venue-media img{transform:scale(1.03)}
.venue-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent);color:#14160F;font-size:12.5px;font-weight:700;
  padding:6px 12px;border-radius:999px;box-shadow:0 8px 18px -12px rgba(20,22,15,.7);
}
.venue-body{padding:22px 22px 26px}
.venue-body h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--ink)}
.venue-body p{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--ink-2)}
.specs{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.spec{
  font-size:12.5px;padding:5px 11px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2);
  font-variant-numeric:tabular-nums;
}
.venue-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.venue-meta .price{font-size:15px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.venue-meta .price em{font-style:normal;font-size:12px;font-weight:500;color:var(--ink-3);margin-left:3px}
.venue-meta .link-underline{margin-left:auto}
@media(min-width:900px){
  .venue-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 32px;padding-bottom:52px}
  .venue-card--shift{transform:translateY(52px)}
  .venue-card--shift:hover{transform:translateY(48px)}
  .venue-body{padding:26px 28px 30px}
}

/* ---------- 流程步骤条 ---------- */
.steps-band{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:minmax(0,1fr);gap:26px}
.step{position:relative;padding-top:0}
.step-num{
  width:40px;height:40px;border-radius:50%;background:var(--brand);color:var(--accent);
  display:grid;place-items:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
  box-shadow:0 10px 22px -14px rgba(18,58,43,.8);margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;color:var(--ink)}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2)}
.step::after{content:"";position:absolute;left:52px;top:19px;right:0;border-top:1px dashed rgba(18,58,43,.22)}
.step:last-child::after{display:none}
@media(min-width:760px){.steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 36px}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}}

/* ---------- 到店须知 ---------- */
.notes{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
.note{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:box-shadow .2s,transform .2s;
}
.note:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.note-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-100);display:grid;place-items:center;margin-bottom:14px;
}
.note-icon svg{width:20px;height:20px;fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.note h3{font-size:16.5px;font-weight:600;color:var(--ink)}
.note p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2)}
.note ul{margin-top:10px;display:grid;gap:6px}
.note li{position:relative;padding-left:16px;font-size:14px;color:var(--ink-2);line-height:1.7}
.note li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--accent)}
@media(min-width:720px){.notes{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.notes{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;align-items:center}
.split-media{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);background:var(--brand-100)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.split h2{font-size:clamp(24px,3vw,34px);line-height:1.2;font-weight:700;letter-spacing:-.015em;margin-top:12px}
.split p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}
.bullet-list{margin-top:20px;display:grid;gap:12px}
.bullet-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.bullet-list b{color:var(--ink);font-weight:600}
.tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--brand-100);
  display:grid;place-items:center;margin-top:2px;
}
.tick svg{width:12px;height:12px;fill:none;stroke:var(--brand-600);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
@media(min-width:900px){.split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px}}

/* ---------- FAQ ---------- */
.faq-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:0}
.faq-item summary{
  display:flex;align-items:center;gap:12px;cursor:pointer;list-style:none;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--surface-2);color:var(--brand)}
.faq-item summary::before{
  content:"";flex:0 0 auto;width:10px;height:10px;border-radius:3px;background:var(--accent);
  box-shadow:0 0 0 3px rgba(200,240,74,.24);
}
.faq-icon{margin-left:auto;width:20px;height:20px;flex:0 0 auto;transition:transform .2s ease-out}
.faq-icon svg{width:20px;height:20px;fill:none;stroke:var(--brand);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-answer{padding:0 22px 22px 44px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.faq-answer p+p{margin-top:10px}

/* ---------- CTA 横幅 ---------- */
.cta-band{padding:0 0 56px}
@media(min-width:1024px){.cta-band{padding:0 0 88px}}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:38px 26px;box-shadow:var(--sh-2);
}
.cta-inner::before{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,240,74,.28),transparent 68%);
}
.cta-inner h2{position:relative;font-size:clamp(22px,3vw,32px);line-height:1.25;font-weight:800;letter-spacing:-.015em}
.cta-inner p{position:relative;margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:560px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px}
.cta-actions .link-plain{color:#fff;font-size:14.5px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px;transition:border-color .2s,color .2s}
.cta-actions .link-plain:hover{color:var(--accent);border-color:var(--accent)}
@media(min-width:900px){
  .cta-inner{padding:54px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px}
  .cta-actions{margin-top:0;flex:0 0 auto}
}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--brand);color:rgba(255,255,255,.72);margin-top:8px}
.site-footer::before{content:"";display:block;height:4px;background:var(--accent)}
.footer-top{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;padding:52px 0 38px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-name span{color:rgba(255,255,255,.86)}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:inset 0 0 0 1px rgba(200,240,74,.5)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:330px}
.footer-col h3{font-size:14px;font-weight:600;color:rgba(246,244,238,.92);letter-spacing:.02em}
.footer-col ul{margin-top:14px;display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease-out}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}
.footer-contact b{font-weight:600;color:rgba(246,244,238,.9)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.14);
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6)}
.socials{display:flex;gap:10px}
.socials a{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.1);transition:background-color .2s ease-out,transform .2s ease-out;
}
.socials svg{width:17px;height:17px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s ease-out}
.socials a:hover{background:var(--accent);transform:translateY(-2px)}
.socials a:hover svg{stroke:#123A2B}
@media(min-width:720px){
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
}
@media(min-width:1024px){
  .footer-top{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 46px}
  .footer-brand p{max-width:320px}
}

/* roulang page: category6 */
:root{
  --brand:#123A2B;
  --brand-600:#1E5C3F;
  --brand-100:#E3EDE4;
  --accent:#C8F04A;
  --clay:#E8622B;
  --bg:#F6F4EE;
  --surface:#FFFFFF;
  --surface-2:#EFF0E8;
  --ink:#14160F;
  --ink-2:#4A5044;
  --ink-3:#8A8F82;
  --line:rgba(20,22,15,0.10);
  --r-xl:28px;
  --r-lg:18px;
  --r-md:12px;
  --sh-1:0 1px 2px rgba(20,22,15,.04), 0 8px 24px -12px rgba(18,58,43,.18);
  --sh-2:0 18px 40px -18px rgba(18,58,43,.32);
  --grad:linear-gradient(135deg,#123A2B 0%,#1E5C3F 55%,#3F7A45 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body.b1-body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.b1-body :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.skip:focus{left:0}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){ .wrap{padding:0 32px} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.94);
  border-bottom:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{
  background:rgba(246,244,238,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -24px rgba(18,58,43,.7);
}
.nav{display:flex;align-items:center;gap:16px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex:none}
.brand:hover{color:var(--ink)}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--brand);display:grid;place-items:center;flex:none}
.brand-mark svg{width:17px;height:17px;fill:none;stroke:var(--accent);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-0.01em;white-space:nowrap}
.brand-name span{font-weight:600;color:var(--brand-600);margin-left:1px}
.brand-dot{display:grid;place-items:center;color:var(--ink-3);flex:none}
.brand-dot svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-links a{
  position:relative;display:inline-block;padding:8px 10px;border-radius:9px;
  font-size:15px;color:var(--ink-2);
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-links a:hover{color:var(--brand);background:var(--surface-2)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:1px;height:3px;border-radius:2px;background:var(--accent);
}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;border-radius:999px;
  background:var(--surface-2);border:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand)}
.nav-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round}
.nav-search input{
  width:160px;border:0;background:transparent;outline:none;
  font-family:inherit;font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-plain{font-size:14px;color:var(--ink-2);padding:8px 4px;transition:color .2s ease-out}
.nav-plain:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  font-size:15px;font-weight:700;line-height:1.2;padding:13px 24px;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--accent);color:#14160F}
.btn-primary:hover{background:#D6F86A;color:#14160F;transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-primary:active{transform:translateY(0);background:#BCE33F}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(18,58,43,.08);color:var(--brand)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.48);color:#fff}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.nav-search-btn,.menu-toggle{
  display:none;width:38px;height:38px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);color:var(--brand);
  cursor:pointer;place-items:center;
  transition:background .2s ease-out,border-color .2s ease-out;
}
.nav-search-btn svg,.menu-toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav-search-btn:hover,.menu-toggle:hover{background:var(--brand-100);border-color:var(--brand-100)}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-plain{display:none}
  .nav-search-btn{display:grid}
  .menu-toggle{display:grid}
}
@media (max-width:520px){
  .nav{gap:10px}
  .nav-cta{display:none}
  .brand-name{font-size:16px}
}

/* ---------- Drawer ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(88vw,350px);
  background:var(--bg);border-left:1px solid var(--line);z-index:90;
  padding:20px 20px 32px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(102%);transition:transform .3s ease-out;
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,15,.44);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .3s ease-out;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
body.no-scroll{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:10px}
.drawer-close{
  width:36px;height:36px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-2);display:grid;place-items:center;cursor:pointer;
}
.drawer-close svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.drawer-close:hover{background:var(--brand-100)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;border-radius:999px;
  background:var(--surface-2);border:1px solid transparent;margin:4px 0 12px;
}
.drawer-search:focus-within{background:#fff;border-color:var(--brand)}
.drawer-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-family:inherit;font-size:14px;color:var(--ink)}
.drawer-link{
  display:block;padding:12px 12px;border-radius:12px;font-size:15px;color:var(--ink-2);
  transition:background .2s ease-out,color .2s ease-out;
}
.drawer-link:hover{background:var(--surface-2);color:var(--brand)}
.drawer-link.active{background:var(--brand-100);color:var(--brand);font-weight:700}
.drawer-cta{margin-top:14px}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;margin:26px 0 0;border-radius:var(--r-xl);overflow:hidden;
  padding:56px 44px 52px;color:#fff;
  background-image:linear-gradient(115deg,rgba(18,58,43,.95) 0%,rgba(18,58,43,.88) 46%,rgba(30,92,63,.72) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.crumbs{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:rgba(255,255,255,.42)}
.crumbs a{color:inherit}
.crumbs a:hover{color:var(--accent)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  padding:6px 14px;border-radius:999px;
  background:rgba(200,240,74,.16);color:var(--accent);
  border:1px solid rgba(200,240,74,.35);
}
.hero-title{
  font-size:clamp(28px,4.4vw,52px);
  line-height:1.1;font-weight:800;letter-spacing:-0.02em;color:#fff;
  margin:18px 0 0;max-width:16em;
}
.hero-title em{font-style:normal;color:var(--accent)}
.hero-sub{
  margin-top:18px;max-width:44em;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{display:flex;gap:12px;margin-top:34px;overflow-x:auto;padding-bottom:4px}
.stat{
  flex:none;display:flex;align-items:baseline;gap:8px;
  padding:9px 18px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
}
.stat strong{font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1}
.stat span{font-size:12px;color:rgba(255,255,255,.78);white-space:nowrap}
@media (max-width:640px){
  .cat-hero{padding:34px 22px 34px;border-radius:22px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{flex:1 1 100%}
}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
@media (max-width:768px){ .section{padding:56px 0} .section-tight{padding:44px 0} }
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;
  color:var(--brand-600);background:var(--brand-100);
}
.section-head{max-width:720px}
.section-head h2{font-size:clamp(24px,3.2vw,34px);line-height:1.22;font-weight:700;margin-top:16px}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2)}

/* ---------- 合作方向 ---------- */
.coop-grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));margin-top:40px}
.coop-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.coop-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,58,43,.2)}
.coop-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand);margin-bottom:18px;
}
.coop-ico svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.coop-card h3{font-size:19px;font-weight:700;line-height:1.45}
.coop-card p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-block;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;
  background:rgba(232,98,43,.10);color:#B84A1E;
}
.tag.mint{background:var(--brand-100);color:var(--brand-600)}

/* ---------- 流程 ---------- */
.steps{position:relative;display:grid;gap:22px;grid-template-columns:repeat(4,1fr);margin-top:44px}
.steps::before{
  content:"";position:absolute;left:6%;right:6%;top:44px;height:2px;
  background:linear-gradient(90deg,rgba(18,58,43,0),rgba(18,58,43,.18) 12%,rgba(18,58,43,.18) 88%,rgba(18,58,43,0));
  z-index:0;
}
.step{
  position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px 22px 26px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  width:40px;height:40px;border-radius:999px;background:var(--brand);color:var(--accent);
  display:grid;place-items:center;font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
  margin-bottom:16px;letter-spacing:.02em;
}
.step h3{font-size:17px;font-weight:700}
.step p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--ink-2)}
.step small{display:block;margin-top:14px;font-size:12px;color:var(--ink-3)}
@media (max-width:900px){ .steps{grid-template-columns:1fr 1fr} .steps::before{display:none} }
@media (max-width:560px){ .steps{grid-template-columns:1fr} }

/* ---------- 协作支持 ---------- */
.support{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin-top:8px}
.support-media{position:relative}
.support-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);border:8px solid var(--surface);
  box-shadow:var(--sh-2);background:var(--surface-2);
}
.support-chip{
  position:absolute;left:22px;bottom:22px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:10px 16px;font-size:13px;font-weight:700;color:var(--brand);
  box-shadow:var(--sh-1);
}
.support-list{display:flex;flex-direction:column;gap:20px;margin-top:28px}
.support-item{display:flex;gap:14px}
.support-item .dot{
  flex:none;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  background:var(--accent);color:#14160F;
}
.support-item .dot svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.support-item h3{font-size:16px;font-weight:700}
.support-item p{margin-top:6px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}
@media (max-width:900px){ .support{grid-template-columns:1fr;gap:32px} }

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:0.9fr 1.5fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:96px}
.faq-aside h2{font-size:clamp(24px,3.2vw,32px);line-height:1.24;font-weight:700;margin-top:16px}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-aside .btn{margin-top:24px}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
  padding:19px 22px;font-size:15.5px;font-weight:600;color:var(--ink);
  transition:background .2s ease-out;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--surface-2)}
.q-idx{
  flex:none;width:24px;height:24px;border-radius:8px;background:var(--accent);
  color:#14160F;font-size:12px;font-weight:800;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.chev{margin-left:auto;flex:none;width:18px;height:18px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease-out}
.faq details[open] .chev{transform:rotate(180deg);stroke:var(--brand)}
.faq .answer{padding:0 22px 20px 58px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}
@media (max-width:960px){ .faq-layout{grid-template-columns:1fr;gap:28px} .faq-aside{position:static} }
@media (max-width:520px){ .faq .answer{padding-left:22px} }

/* ---------- 表单 ---------- */
.form-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start}
.form-aside h2{font-size:clamp(24px,3.2vw,32px);line-height:1.24;font-weight:700;margin-top:16px}
.form-aside p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.mini-list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.mini-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.mini-list li::before{content:"";flex:none;width:8px;height:8px;border-radius:2px;background:var(--brand);margin-top:9px}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh-2);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:8px}
.field .req{color:var(--clay);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,240,74,.55);
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){ .two-col{grid-template-columns:1fr} }
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.7}
.form-msg{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-md);
  background:var(--brand-100);color:var(--brand);font-size:14px;font-weight:600;
}
.form-msg.show{display:block}
@media (max-width:960px){ .form-layout{grid-template-columns:1fr;gap:28px} }
@media (max-width:560px){ .form-card{padding:22px} }

/* ---------- CTA ---------- */
.cta-band{
  background-image:var(--grad);
  border-radius:var(--r-xl);padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,240,74,.22),rgba(200,240,74,0) 70%);
}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);line-height:1.26;font-weight:700}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);font-size:15px;line-height:1.8;max-width:46em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
@media (max-width:640px){ .cta-band{padding:32px 24px} .cta-actions .btn{flex:1 1 100%} }

/* ---------- Footer ---------- */
.site-footer{
  position:relative;background:var(--brand);color:rgba(255,255,255,.72);
  margin-top:88px;padding-top:4px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent)}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:40px;
  padding:64px 0 48px;
}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-name span{color:var(--accent)}
.site-footer .brand-mark{background:rgba(255,255,255,.10)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:36ch}
.footer-col h3{font-size:14px;font-weight:700;color:rgba(246,244,238,.92);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;flex-direction:column;gap:2px;font-size:14px}
.footer-contact b{font-weight:700;font-size:13px;color:rgba(246,244,238,.9)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 32px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.socials{display:flex;gap:10px}
.socials a{
  width:36px;height:36px;border-radius:999px;display:grid;place-items:center;
  background:rgba(255,255,255,.10);color:#fff;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.socials a svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.socials a:hover{background:var(--accent);color:var(--brand);transform:translateY(-2px)}
@media (max-width:900px){ .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px} }
@media (max-width:560px){ .footer-top{grid-template-columns:1fr} }