/* roulang page: index */
:root{
  --c-primary:#0F3D33;
  --c-primary-light:#17594A;
  --c-primary-dark:#082A23;
  --c-accent:#F05A28;
  --c-gold:#E8B33C;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEAE1;
  --c-text:#1A1F1C;
  --c-text-2:#4B5551;
  --c-text-3:#8A918C;
  --c-border:#E2DCD2;
  --c-error:#C0392B;
  --r-card:16px;
  --r-btn:999px;
  --r-input:12px;
  --r-lg:24px;
  --shadow-1:0 1px 2px rgba(15,61,51,.06),0 8px 24px rgba(15,61,51,.06);
  --shadow-2:0 12px 32px rgba(15,61,51,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-accent)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0 0 12px;font-weight:700;color:var(--c-text);letter-spacing:.01em}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.25}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3}
h3{font-size:21px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.45;font-weight:600}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

.grid-container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tint{background:var(--c-surface)}
.section-sand{background:var(--c-surface-2)}
[id]{scroll-margin-top:96px}

.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--c-accent);
  background:rgba(240,90,40,.09);
  border-radius:var(--r-btn);
  padding:5px 14px;
  margin-bottom:16px;
}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{margin-bottom:14px}
.section-desc{font-size:16px;color:var(--c-text-2);margin:0}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:48px;
}
.section-head-row .section-head{margin-bottom:0}
.text-link{
  color:var(--c-primary);font-size:15px;font-weight:600;
  border-bottom:1px solid rgba(15,61,51,.35);padding-bottom:2px;
  text-underline-offset:3px;white-space:nowrap;
}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;background:transparent;
  text-align:center;transition:all .2s var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-primary:hover{background:#d94d1d;border-color:#d94d1d;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:rgba(15,61,51,.10);color:var(--c-primary);transform:translateY(-2px)}
.btn-solid{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-solid:hover{background:var(--c-primary-light);border-color:var(--c-primary-light);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-white{background:#fff;color:var(--c-primary);border-color:#fff}
.btn-white:hover{background:#fff;color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-sm{height:38px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

.badge{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:#fff;background:var(--c-accent);border-radius:var(--r-btn);padding:4px 12px;
}
.tag{
  display:inline-block;font-size:12px;font-weight:500;
  color:var(--c-primary);background:var(--c-surface-2);
  border-radius:var(--r-btn);padding:4px 12px;transition:all .2s var(--ease);
}
.tag:hover{background:rgba(15,61,51,.12)}
.tag-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- 浮动 Dock ---------- */
.site-dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1120px;z-index:900;
}
.dock-bar{
  display:flex;align-items:center;gap:16px;
  height:64px;padding:10px 18px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(15,61,51,.10);
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-dock.is-scrolled .dock-bar{box-shadow:var(--shadow-2);background:rgba(255,255,255,.94)}
.dock-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock-mark{
  width:32px;height:32px;border-radius:10px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.dock-mark svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:1.5}
.dock-brand-text{font-size:17px;font-weight:600;color:var(--c-primary);letter-spacing:.01em;white-space:nowrap}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-link{
  position:relative;font-size:14px;font-weight:500;color:var(--c-text-2);
  padding:10px 14px;border-radius:var(--r-btn);transition:all .2s var(--ease);
}
.dock-link:hover{background:rgba(15,61,51,.08);color:var(--c-primary)}
.dock-link.is-active{background:rgba(15,61,51,.10);color:var(--c-primary);font-weight:600}
.dock-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--c-accent);
}
.dock-tools{display:flex;align-items:center;gap:8px;margin-left:8px}
.dock-icon{
  width:36px;height:36px;border-radius:50%;border:0;background:transparent;
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  transition:background .2s var(--ease);
}
.dock-icon:hover{background:rgba(15,61,51,.08)}
.dock-icon svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--c-border);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.dock-toggle span{display:block;width:16px;height:1.5px;background:var(--c-primary);border-radius:2px;transition:all .2s var(--ease)}
.dock-panel{
  display:none;flex-direction:column;gap:4px;margin-top:8px;padding:12px;
  background:#fff;border:1px solid var(--c-border);
  border-radius:24px;box-shadow:var(--shadow-2);
}
.dock-panel-link{
  display:flex;align-items:center;height:48px;padding:0 16px;border-radius:14px;
  font-size:15px;font-weight:500;color:var(--c-text-2);
}
.dock-panel-link:hover{background:rgba(15,61,51,.06);color:var(--c-primary)}
.dock-panel-link.is-active{background:rgba(15,61,51,.10);color:var(--c-primary);font-weight:600}
body.dock-open .dock-panel{display:flex}

/* ---------- Hero ---------- */
.hero{padding:140px 0 76px;background:var(--c-bg);position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 88% 8%,rgba(240,90,40,.07),transparent 70%);
  pointer-events:none;
}
.hero-row{row-gap:48px;position:relative}
.hero h1{margin-bottom:20px}
.hero h1 .hl{position:relative;white-space:nowrap}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:6px;
  background:rgba(240,90,40,.22);border-radius:4px;z-index:-1;
}
.hero-sub{font-size:17px;color:var(--c-text-2);max-width:38ch;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.hero-stat{display:flex;flex-direction:column}
.hero-stat strong{font-size:24px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stat span{font-size:13px;color:var(--c-text-3)}
.hero-stat + .hero-stat{border-left:1px solid var(--c-border);padding-left:28px}
.hero-media{position:relative}
.hero-media-frame{
  border-radius:20px;overflow:hidden;position:relative;box-shadow:var(--shadow-2);
}
.hero-media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media-frame::after{content:"";position:absolute;inset:0;background:rgba(15,61,51,.10)}
.hero-float{
  position:absolute;left:-16px;bottom:24px;background:#fff;border-radius:16px;
  padding:14px 18px;box-shadow:var(--shadow-2);display:flex;align-items:center;gap:12px;
}
.hero-float svg{width:22px;height:22px;stroke:var(--c-accent);fill:none;stroke-width:1.5}
.hero-float strong{display:block;font-size:14px;color:var(--c-primary);line-height:1.3}
.hero-float span{font-size:12px;color:var(--c-text-3)}

/* ---------- 入口指引条 ---------- */
.steps-band{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:20px;box-shadow:var(--shadow-1);overflow:hidden;
}
.step-item{position:relative;padding:32px 28px}
.step-item + .step-item{border-left:1px dashed var(--c-border)}
.step-num{
  display:block;font-size:28px;font-weight:700;line-height:1;
  color:rgba(15,61,51,.20);font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step-item h3{font-size:18px;margin-bottom:8px}
.step-item p{margin:0;font-size:14px;color:var(--c-text-2);line-height:1.8}

/* ---------- 功能分组 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.feature-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:28px;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,61,51,.30)}
.feature-card-lg{grid-column:span 6;padding:0;display:flex;flex-direction:column}
.feature-card-sm{grid-column:span 3;display:flex;flex-direction:column}
.feature-card-lg .feature-media{overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0}
.feature-card-lg .feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.feature-card-lg:hover .feature-media img{transform:scale(1.03)}
.feature-index{
  font-size:32px;font-weight:700;line-height:1;color:rgba(15,61,51,.28);
  font-variant-numeric:tabular-nums;display:block;margin-bottom:14px;
}
.feature-body{padding:28px;display:flex;flex-direction:column;flex:1}
.feature-card-sm .feature-index{margin-bottom:12px}
.feature-card h3{margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;margin-bottom:18px}
.feature-card .text-link{margin-top:auto;align-self:flex-start}
.feature-strip{
  margin-top:24px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--c-border);border:1px solid var(--c-border);
  border-radius:var(--r-card);overflow:hidden;
}
.strip-item{
  background:var(--c-surface);padding:22px 20px;display:flex;align-items:center;gap:14px;
  transition:background .2s var(--ease);
}
.strip-item:hover{background:rgba(15,61,51,.04)}
.strip-item svg{width:22px;height:22px;stroke:var(--c-primary);fill:none;stroke-width:1.5;flex-shrink:0}
.strip-item strong{font-size:14.5px;font-weight:600;color:var(--c-text);line-height:1.4;display:block}
.strip-item span{font-size:12.5px;color:var(--c-text-3);display:block}

/* ---------- 使用场景 ---------- */
.scene-row{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;
  padding:44px 0;border-top:1px solid var(--c-border);
}
.scene-row:first-of-type{border-top:0;padding-top:0}
.scene-row:nth-child(even){grid-template-columns:7fr 5fr}
.scene-row:nth-child(even) .scene-media{order:2}
.scene-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1)}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.scene-media:hover img{transform:scale(1.03)}
.scene-copy h3{margin-bottom:12px}
.scene-copy p{color:var(--c-text-2);font-size:15.5px;max-width:42ch}

/* ---------- 成功案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:32px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,61,51,.30)}
.case-card h3{font-size:20px;margin:16px 0 20px}
.case-metrics{display:flex;flex-wrap:wrap;gap:28px;margin-bottom:22px}
.case-metric strong{font-size:28px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.1}
.case-metric span{font-size:13px;color:var(--c-text-3);display:block;margin-top:4px}
.case-quote{
  font-size:14px;color:var(--c-text-2);line-height:1.8;
  border-left:3px solid var(--c-accent);padding-left:16px;margin:0 0 22px;
}
.logo-wall{
  margin-top:48px;padding-top:32px;border-top:1px solid var(--c-border);
  display:grid;grid-template-columns:repeat(6,1fr);gap:16px;
}
.logo-cell{
  height:64px;border-radius:12px;background:var(--c-surface-2);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;color:var(--c-text-3);letter-spacing:.04em;
  transition:all .2s var(--ease);
}
.logo-cell:hover{background:rgba(15,61,51,.10);color:var(--c-primary)}

/* ---------- 服务档位 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan-card{
  position:relative;background:var(--c-surface);border:2px solid var(--c-border);
  border-radius:var(--r-card);padding:34px 30px;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.plan-card h3{font-size:20px;margin-bottom:6px}
.plan-note{font-size:13.5px;color:var(--c-text-3);margin-bottom:22px}
.plan-figure{display:flex;align-items:baseline;gap:8px;margin-bottom:24px}
.plan-figure strong{font-size:36px;font-weight:700;line-height:1;color:var(--c-primary);font-variant-numeric:tabular-nums}
.plan-figure span{font-size:14px;color:var(--c-text-3)}
.plan-list{margin-bottom:28px}
.plan-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--c-text-2);
  line-height:1.7;margin-bottom:12px;
}
.plan-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  border:2px solid var(--c-accent);
}
.plan-card .btn{margin-top:auto;width:100%}
.plan-featured{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-12px)}
.plan-featured:hover{transform:translateY(-16px)}
.plan-featured h3,.plan-featured .plan-figure strong{color:#fff}
.plan-featured .plan-note{color:rgba(255,255,255,.66)}
.plan-featured .plan-list li{color:rgba(255,255,255,.82)}
.plan-flag{
  position:absolute;top:-13px;right:26px;background:var(--c-accent);color:#fff;
  font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--r-btn);
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;min-height:320px}
.news-feature{
  grid-column:span 6;background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,61,51,.30)}
.news-feature-media{position:relative;display:block;overflow:hidden;background:rgba(15,61,51,.06)}
.news-feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.news-feature:hover .news-feature-media img{transform:scale(1.03)}
.news-feature-media .badge{position:absolute;left:16px;top:16px}
.news-feature-media::after{
  content:"";position:absolute;right:0;bottom:0;width:0;height:0;
  border-left:22px solid transparent;border-bottom:22px solid var(--c-accent);
}
.news-feature-body{padding:24px 26px}
.news-feature-body h3{font-size:20px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature-body p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature-body time{font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.news-list{grid-column:span 6;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);padding:6px 24px}
.news-list li{padding:18px 0;border-bottom:1px solid var(--c-border);transition:background .2s var(--ease)}
.news-list li:last-child{border-bottom:0}
.news-list li:hover{background:rgba(15,61,51,.04)}
.news-list h4{font-size:15.5px;margin:8px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list time{font-size:12.5px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.news-empty{
  grid-column:span 12;min-height:320px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:16px;
  background:var(--c-surface);border:1px dashed var(--c-border);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;
}
.news-empty svg{width:36px;height:36px;stroke:var(--c-text-3);fill:none;stroke-width:1.5}
.news-empty p{margin:0;color:var(--c-text-2);font-size:15px}

/* ---------- FAQ ---------- */
.faq{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden}
.faq-item{border-bottom:1px solid var(--c-border)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;text-align:left;padding:20px 24px;
  font-size:17.5px;font-weight:600;color:var(--c-text);transition:background .2s var(--ease);
}
.faq-q:hover{background:rgba(15,61,51,.04)}
.faq-sign{
  position:relative;width:26px;height:26px;flex-shrink:0;border-radius:50%;
  border:1.5px solid var(--c-accent);transition:background .2s var(--ease);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-accent);border-radius:2px;transition:all .2s var(--ease);
}
.faq-sign::before{width:12px;height:1.5px}
.faq-sign::after{width:1.5px;height:12px}
.faq-item.is-open .faq-sign{background:rgba(240,90,40,.12)}
.faq-item.is-open .faq-sign::after{height:0}
.faq-a{display:none;padding:0 24px 22px;border-left:3px solid var(--c-accent);margin-left:0}
.faq-item.is-open{background:rgba(15,61,51,.02)}
.faq-item.is-open .faq-a{display:block}
.faq-a p{font-size:15.5px;color:var(--c-text-2);line-height:1.85;margin:0}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);padding:56px 56px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:rgba(255,255,255,.05);
}
.cta-band h2{color:#fff;margin-bottom:10px;font-size:clamp(22px,2.6vw,30px)}
.cta-band p{margin:0;color:rgba(255,255,255,.76);font-size:15.5px;max-width:52ch}
.cta-band .btn{position:relative;z-index:1;flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:104px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .dock-mark{background:var(--c-accent)}
.footer-brand-text{font-size:17px;font-weight:600;color:rgba(255,255,255,.95)}
.footer-about{font-size:14px;line-height:1.85;margin-bottom:18px;color:rgba(255,255,255,.72)}
.footer-contact{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62)}
.footer-title{font-size:14px;font-weight:600;color:rgba(255,255,255,.95);margin-bottom:18px;letter-spacing:.04em}
.footer-links li{margin-bottom:11px}
.footer-links a{
  position:relative;font-size:14px;color:rgba(255,255,255,.72);display:inline-block;
}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--c-accent);transition:width .25s var(--ease);
}
.footer-links a:hover{color:var(--c-accent)}
.footer-links a:hover::after{width:100%}
.footer-sub{display:flex;gap:10px;margin-top:16px}
.footer-sub input{
  flex:1;height:46px;border-radius:var(--r-input);padding:0 14px;font-size:14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;appearance:none;-webkit-appearance:none;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.45)}
.footer-sub input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(240,90,40,.20)}
.footer-sub .btn{height:46px;padding:0 20px;font-size:14px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .grid-container{padding:0 24px}
  .section{padding:64px 0}
  .dock-menu,.dock-icon{display:none}
  .dock-toggle{display:flex}
  .dock-bar{height:60px}
  .dock-brand-text{font-size:15.5px}
  .hero{padding:112px 0 56px}
  .hero-sub{max-width:none}
  .feature-card-lg,.feature-card-sm{grid-column:span 12}
  .feature-strip{grid-template-columns:repeat(2,1fr)}
  .scene-row,.scene-row:nth-child(even){grid-template-columns:1fr;gap:24px}
  .scene-row:nth-child(even) .scene-media{order:0}
  .case-grid{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan-featured{transform:none}
  .plan-featured:hover{transform:translateY(-4px)}
  .news-feature,.news-list{grid-column:span 12}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .cta-band .btn{width:100%}
  .site-footer{margin-top:72px}
}
@media screen and (max-width:639px){
  .grid-container{padding:0 20px}
  .section{padding:56px 0}
  h1{font-size:clamp(26px,7vw,34px)}
  h2{font-size:clamp(21px,5.6vw,26px)}
  body{font-size:15.5px}
  .hero{padding:104px 0 48px}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:18px}
  .hero-stat + .hero-stat{padding-left:18px}
  .hero-float{left:12px;bottom:12px;padding:12px 14px}
  .steps-band{grid-template-columns:1fr}
  .step-item + .step-item{border-left:0;border-top:1px dashed var(--c-border)}
  .feature-strip{grid-template-columns:1fr}
  .section-head-row{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:32px 24px;border-radius:20px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a{padding:0 18px 18px}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F3D33;
  --c-primary-light:#17594A;
  --c-primary-dark:#082A23;
  --c-accent:#F05A28;
  --c-accent-dark:#D44A1C;
  --c-gold:#E8B33C;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEAE1;
  --c-text:#1A1F1C;
  --c-text-2:#4B5551;
  --c-text-3:#8A918C;
  --c-border:#E2DCD2;
  --c-error:#C0392B;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,51,.06), 0 8px 24px rgba(15,61,51,.06);
  --sh-2:0 12px 32px rgba(15,61,51,.12);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:72px; --sp-8:104px;
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  padding-top:76px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-accent)}
button,input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
h3{font-size:21px;line-height:1.4;font-weight:600}
h4{font-size:17.5px;line-height:1.5;font-weight:600}
p{max-width:40em}
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.grid-container.full{max-width:none}
section{scroll-margin-top:96px}

/* ============ Dock 导航 ============ */
.site-dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1120px;z-index:900;
}
.dock-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:64px;padding:10px 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(15,61,51,.10);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease), background var(--ease);
}
.site-dock.is-scrolled .dock-bar{box-shadow:var(--sh-2);background:rgba(255,255,255,.94)}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-mark{
  width:32px;height:32px;border-radius:10px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.dock-mark svg{width:19px;height:19px;fill:none;stroke:#fff;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.dock-brand-text{font-size:17px;font-weight:600;color:var(--c-primary);white-space:nowrap}
.dock-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.dock-link{
  font-size:14px;font-weight:500;color:var(--c-text-2);
  padding:10px 14px;border-radius:var(--r-pill);position:relative;
  transition:background var(--ease),color var(--ease);
  white-space:nowrap;
}
.dock-link:hover{background:rgba(15,61,51,.08);color:var(--c-primary)}
.dock-link.is-active{background:rgba(15,61,51,.10);color:var(--c-primary);font-weight:600}
.dock-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-accent);
}
.dock-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-icon{
  width:36px;height:36px;border-radius:50%;border:0;background:transparent;
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--c-primary);
  transition:background var(--ease);
}
.dock-icon:hover{background:rgba(15,61,51,.08)}
.dock-icon svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.dock-toggle{
  display:none;width:38px;height:38px;border:0;border-radius:12px;background:rgba(15,61,51,.06);
  cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.dock-toggle span{display:block;width:17px;height:1.8px;border-radius:2px;background:var(--c-primary);transition:transform var(--ease),opacity var(--ease)}
.dock-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.8px) rotate(45deg)}
.dock-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.dock-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.8px) rotate(-45deg)}
.dock-panel{
  display:none;flex-direction:column;gap:4px;margin-top:8px;padding:12px;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(15,61,51,.10);border-radius:var(--r-lg);box-shadow:var(--sh-2);
}
.dock-panel.is-open{display:flex}
.dock-panel-link{
  display:flex;align-items:center;height:48px;padding:0 16px;border-radius:14px;
  font-size:15px;font-weight:500;color:var(--c-text-2);transition:background var(--ease),color var(--ease);
}
.dock-panel-link:hover{background:rgba(15,61,51,.07);color:var(--c-primary)}
.dock-panel-link.is-active{background:rgba(15,61,51,.10);color:var(--c-primary);font-weight:600}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1.5px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  text-align:center;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:rgba(15,61,51,.10);color:var(--c-primary);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#fff;color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{display:flex;width:100%;margin-top:8px}
.btn:focus-visible,.dock-icon:focus-visible,.dock-toggle:focus-visible,.dock-link:focus-visible,.dock-panel-link:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;
}

/* ============ 通用板块与标题 ============ */
.band{padding:56px 0}
.band-lg{padding:72px 0}
.band-white{background:var(--c-surface)}
.band-alt{background:var(--c-surface-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{color:var(--c-text-2);max-width:46em;margin-top:12px;font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(240,90,40,.10);color:var(--c-accent);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));
  border-radius:var(--r-lg);
  color:#fff;
  min-height:352px;
  display:flex;align-items:center;
  margin-top:24px;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.22;
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 48px;width:100%}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.cat-hero h1{color:#fff;margin:18px 0 16px;max-width:18em}
.cat-hero h1 em{font-style:normal;color:#FFD9C7;text-decoration:underline;text-decoration-color:var(--c-accent);text-decoration-thickness:3px;text-underline-offset:6px}
.cat-hero .lede{color:rgba(255,255,255,.86);font-size:17px;max-width:34em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.20);
  box-shadow:0 18px 44px rgba(4,24,19,.35);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  font-size:13px;font-weight:500;color:rgba(255,255,255,.92);
}
.hero-stats{display:flex;gap:36px;margin-top:36px;flex-wrap:wrap}
.hero-stats .stat{display:flex;flex-direction:column;gap:2px}
.hero-stats .stat b{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;color:#fff;line-height:1.2}
.hero-stats .stat span{font-size:13px;color:rgba(255,255,255,.72)}

/* ============ 通道条 ============ */
.channel-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;margin-top:-40px;position:relative;z-index:5;
}
.channel-item{padding:26px 24px;border-right:1px dashed var(--c-border);transition:background var(--ease)}
.channel-item:last-child{border-right:0}
.channel-item:hover{background:rgba(15,61,51,.03)}
.channel-item .num{font-size:13px;font-weight:600;color:var(--c-accent);font-variant-numeric:tabular-nums;letter-spacing:.08em}
.channel-item h4{margin:8px 0 6px}
.channel-item p{font-size:14px;color:var(--c-text-2);line-height:1.7}

/* ============ 2×2 图文卡 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.info-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,61,51,.30)}
.info-card .card-media{position:relative;overflow:hidden}
.info-card .card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.info-card:hover .card-media img{transform:scale(1.03)}
.card-index{
  position:absolute;top:14px;left:16px;font-size:28px;font-weight:700;line-height:1;
  color:rgba(255,255,255,.92);font-variant-numeric:tabular-nums;text-shadow:0 2px 12px rgba(4,24,19,.45);
}
.card-tag{
  position:absolute;top:18px;right:16px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.90);color:var(--c-primary);font-size:12.5px;font-weight:600;
}
.card-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{color:var(--c-primary)}
.card-body p{font-size:15.5px;color:var(--c-text-2);line-height:1.78}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-primary);
  text-decoration:underline;text-decoration-color:rgba(15,61,51,.28);text-underline-offset:4px;
  transition:color var(--ease),text-decoration-color var(--ease);margin-top:auto;padding-top:8px;
}
.text-link:hover{color:var(--c-accent);text-decoration-color:var(--c-accent)}
.text-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ============ 要点清单 ============ */
.check-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 40px}
.check-item{
  border-left:3px solid var(--c-accent);padding:10px 0 10px 18px;
  transition:background var(--ease),padding-left var(--ease);
}
.check-item:hover{background:rgba(15,61,51,.04);padding-left:22px}
.check-item h4{color:var(--c-primary);margin-bottom:4px}
.check-item p{font-size:15px;color:var(--c-text-2);line-height:1.75}
.check-note{
  margin-top:32px;padding:20px 24px;border-radius:var(--r-md);background:rgba(240,90,40,.07);
  border:1px solid rgba(240,90,40,.20);font-size:15px;color:var(--c-text-2);max-width:none;
}
.check-note strong{color:var(--c-primary)}

/* ============ 数据卡 ============ */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.metric{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);
  padding:28px 26px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.metric b{display:block;font-size:30px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.metric b i{font-style:normal;font-size:14px;font-weight:500;color:var(--c-text-3);margin-left:4px}
.metric span{display:block;margin-top:8px;font-size:14.5px;color:var(--c-text-2)}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(15,61,51,.28);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:17.5px;font-weight:600;color:var(--c-primary);transition:background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(15,61,51,.04)}
.faq-item summary .mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(240,90,40,.12);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;line-height:1;
  transition:background var(--ease),color var(--ease);
}
.faq-item[open] summary .mark{background:var(--c-accent);color:#fff}
.faq-item .answer{padding:0 24px 22px;font-size:15.5px;color:var(--c-text-2);line-height:1.85;max-width:none;border-left:3px solid transparent}
.faq-item[open] .answer{border-left-color:var(--c-accent);padding-left:21px}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));
  padding:52px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:40px;
  flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 26px);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.82);margin-top:12px;font-size:16px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 面包屑 ============ */
.crumbs{padding:20px 0 0;font-size:13.5px;color:var(--c-text-3)}
.crumbs ol{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--c-text-3)}
.crumbs a{color:var(--c-text-2)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs [aria-current="page"]{color:var(--c-primary);font-weight:600}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .dock-mark{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18)}
.footer-brand-text{font-size:17px;font-weight:600;color:rgba(255,255,255,.95)}
.footer-about{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.70);max-width:30em;margin-bottom:14px}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.60);margin:0}
.footer-title{font-size:15px;font-weight:600;color:rgba(255,255,255,.95);margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{
  font-size:14.5px;color:rgba(255,255,255,.72);position:relative;display:inline-block;
  transition:color var(--ease);
}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--c-accent);
  transition:width var(--ease);
}
.footer-links a:hover{color:var(--c-accent)}
.footer-links a:hover::after{width:100%}
.footer-sub{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.footer-sub input{
  flex:1 1 160px;height:44px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:14px;appearance:none;outline:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.footer-sub input::placeholder{color:rgba(255,255,255,.45)}
.footer-sub input:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(240,90,40,.22)}
.footer-sub .btn{height:44px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .dock-menu,.dock-tools .btn{display:none}
  .dock-toggle{display:flex}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px}
  .cat-hero-inner{padding:44px 32px}
  .channel-strip{grid-template-columns:repeat(2,1fr)}
  .channel-item:nth-child(2n){border-right:0}
  .channel-item:nth-child(1),.channel-item:nth-child(2){border-bottom:1px dashed var(--c-border)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .metrics{grid-template-columns:1fr 1fr}
  .cta-band{padding:44px 32px}
}
@media screen and (max-width:767px){
  body{font-size:16px;padding-top:72px}
  .grid-container{padding-left:20px;padding-right:20px}
  .dock-bar{height:56px;padding:8px 14px}
  .site-dock{top:12px}
  .cat-hero-inner{padding:36px 22px}
  .card-grid{grid-template-columns:1fr}
  .check-wrap{grid-template-columns:1fr;gap:4px}
  .channel-strip{grid-template-columns:1fr;margin-top:-24px}
  .channel-item{border-right:0;border-bottom:1px dashed var(--c-border)}
  .channel-item:last-child{border-bottom:0}
  .metrics{grid-template-columns:1fr}
  .band{padding:44px 0}
  .band-lg{padding:56px 0}
  .section-head{margin-bottom:28px}
  .cta-band{padding:34px 24px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:52px 0 24px;margin-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-item summary{font-size:16px;padding:18px 18px}
  .faq-item .answer{padding:0 18px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .info-card:hover{transform:none}
}

/* roulang page: article */
:root{
  --c-primary:#0F3D33;
  --c-primary-light:#17594A;
  --c-primary-dark:#082A23;
  --c-accent:#F05A28;
  --c-gold:#E8B33C;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEAE1;
  --c-text:#1A1F1C;
  --c-text-2:#4B5551;
  --c-text-3:#8A918C;
  --c-border:#E2DCD2;
  --c-error:#C0392B;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,51,.06), 0 8px 24px rgba(15,61,51,.06);
  --sh-2:0 12px 32px rgba(15,61,51,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--c-accent)}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.4em}
::selection{background:rgba(240,90,40,.22)}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.grid-container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1024px){.grid-container{padding-left:32px;padding-right:32px}}
[class*="cell"]{min-width:0}

/* ---------- Dock ---------- */
.site-dock{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:1120px;z-index:80}
.dock-bar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  height:64px;padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(15,61,51,.10);
  box-shadow:var(--sh-1);
  transition:box-shadow .25s var(--ease),background-color .25s var(--ease);
}
.site-dock.is-scrolled .dock-bar{box-shadow:var(--sh-2);background:rgba(255,255,255,.94)}
.dock-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-mark{width:32px;height:32px;border-radius:10px;background:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px}
.dock-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.dock-brand-text{font-size:17px;font-weight:600;color:var(--c-primary);letter-spacing:.2px;white-space:nowrap}
.dock-menu{display:flex;align-items:center;gap:4px}
.dock-link{position:relative;font-size:14px;font-weight:500;color:var(--c-text-2);padding:10px 14px;border-radius:var(--r-pill);transition:background-color .2s var(--ease),color .2s var(--ease)}
.dock-link:hover{background:rgba(15,61,51,.08);color:var(--c-primary)}
.dock-link.is-active{background:rgba(15,61,51,.10);color:var(--c-primary)}
.dock-link.is-active::after{content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);width:20px;height:2px;border-radius:2px;background:var(--c-accent)}
.dock-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-icon{width:36px;height:36px;border-radius:50%;border:0;background:transparent;color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;transition:background-color .2s var(--ease)}
.dock-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
.dock-icon:hover{background:rgba(15,61,51,.08)}
.dock-toggle{display:none;width:38px;height:38px;border:0;background:transparent;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.dock-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform .25s var(--ease),opacity .25s var(--ease)}
.dock-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.dock-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.dock-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.dock-panel{display:none;flex-direction:column;gap:4px;margin-top:8px;padding:12px;border-radius:var(--r-lg);background:rgba(255,255,255,.97);border:1px solid rgba(15,61,51,.10);box-shadow:var(--sh-2)}
.dock-panel.is-open{display:flex}
.dock-panel-link{display:block;height:48px;line-height:48px;padding:0 16px;border-radius:14px;font-size:15px;font-weight:500;color:var(--c-text-2)}
.dock-panel-link:hover,.dock-panel-link.is-active{background:rgba(15,61,51,.08);color:var(--c-primary)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1.5px solid transparent;transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(240,90,40,.24)}
.btn-primary:hover{background:#d94d1e;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:rgba(15,61,51,.08);color:var(--c-primary)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#fff;color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{display:flex;width:100%}

/* ---------- Layout ---------- */
.page-main{padding-top:112px;padding-bottom:0}
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--c-primary)}
.section-head p{margin-top:8px;font-size:15px;color:var(--c-text-2)}
.text-link{font-size:15px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(15,61,51,.35);padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease)}
.text-link:hover{color:var(--c-accent);border-color:var(--c-accent)}

/* ---------- Breadcrumb ---------- */
.crumbs{margin-bottom:24px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;margin:0;font-size:14px;color:var(--c-text-3)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--c-border)}
.crumbs a{color:var(--c-text-2)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs [aria-current="page"]{color:var(--c-text);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article head ---------- */
.article-layout{align-items:flex-start}
.article-head{margin-bottom:32px}
.badge{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);background:rgba(240,90,40,.10);color:var(--c-accent);font-size:13px;font-weight:600;letter-spacing:.2px}
.article-head h1{font-size:clamp(26px,3.6vw,38px);line-height:1.35;font-weight:700;color:var(--c-primary);margin:16px 0 18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-text-3)}
.article-meta span,.article-meta time{display:inline-flex;align-items:center;gap:10px}
.article-meta time::before,.article-meta span+span::before,.article-meta span+time::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--c-border)}
.article-cover{margin:28px 0 0;border-radius:20px;overflow:hidden;position:relative;background:var(--c-surface-2)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover::after{content:"";position:absolute;inset:0;background:rgba(15,61,51,.08);pointer-events:none}
.article-cover figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 20px;font-size:13px;color:#fff;background:linear-gradient(180deg,rgba(8,42,35,0),rgba(8,42,35,.72))}

/* ---------- Article body ---------- */
.article-body{max-width:740px;font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:24px;line-height:1.4;font-weight:700;color:var(--c-primary);margin:2.2em 0 .6em;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:.34em;width:4px;height:18px;border-radius:2px;background:var(--c-accent)}
.article-body h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--c-primary-light);margin:1.6em 0 .5em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .4em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body li{margin-bottom:.5em}
.article-body strong{font-weight:700;color:var(--c-primary)}
.article-body blockquote{margin:1.6em 0;padding:20px 24px;border-left:3px solid var(--c-accent);background:rgba(15,61,51,.04);border-radius:0 12px 12px 0;color:var(--c-text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{background:var(--c-surface-2);border-radius:6px;padding:2px 6px;font-size:.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.article-body pre{background:var(--c-primary-dark);color:#fff;padding:18px 20px;border-radius:12px;overflow:auto;margin:1.6em 0}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th{background:rgba(15,61,51,.08);text-align:left;padding:12px 14px;font-weight:600;color:var(--c-primary)}
.article-body td{padding:12px 14px;border-top:1px solid var(--c-border)}
.article-body img{border-radius:12px;margin:1.6em 0}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
.article-body a{border-bottom:1px solid rgba(240,90,40,.45);color:var(--c-primary)}
.article-body a:hover{color:var(--c-accent)}
.article-empty{margin:24px 0 8px;padding:32px;border-radius:var(--r-lg);border:1px solid var(--c-border);background:var(--c-surface);box-shadow:var(--sh-1)}
.article-empty h2{font-size:22px;color:var(--c-primary);margin-bottom:10px}
.article-empty p{color:var(--c-text-2);margin-bottom:20px}

/* ---------- Article foot / tags ---------- */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--c-border)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0 0 24px}
.tag-list li a{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);background:var(--c-surface-2);color:var(--c-text-2);font-size:13px;font-weight:500;transition:background-color .2s var(--ease),color .2s var(--ease)}
.tag-list li a:hover{background:rgba(240,90,40,.12);color:var(--c-accent)}
.back-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Sidebar ---------- */
.article-side{margin-top:40px}
.side-sticky{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:17px;font-weight:600;color:var(--c-primary);margin-bottom:14px}
.toc-list{list-style:none;margin:0;padding:0;font-size:15px}
.toc-list li+li{border-top:1px solid var(--c-border)}
.toc-list a{display:block;position:relative;padding:12px 0 12px 14px;color:var(--c-text-2)}
.toc-list a::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;background:transparent;transition:background-color .2s var(--ease)}
.toc-list a:hover,.toc-list a.is-current{color:var(--c-primary)}
.toc-list a:hover::before,.toc-list a.is-current::before{background:var(--c-accent)}
.rel-list{list-style:none;margin:0;padding:0}
.rel-list li+li{border-top:1px solid var(--c-border)}
.rel-list a{display:block;padding:12px 0;font-size:15px;color:var(--c-text);line-height:1.6}
.rel-list a:hover{color:var(--c-accent)}
.rel-list .rel-meta{display:block;font-size:13px;color:var(--c-text-3);margin-top:4px}
.side-cta{background:var(--c-primary);color:#fff;border-color:transparent}
.side-cta h3{color:#fff}
.side-cta p{font-size:14px;color:rgba(255,255,255,.74);margin-bottom:18px}
.side-cta .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;width:100%}
.side-cta .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
@media (min-width:1024px){
  .side-sticky{position:sticky;top:96px}
  .article-side{margin-top:0}
}

/* ---------- Related cards ---------- */
.card-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,61,51,.3)}
.card-img{overflow:hidden;background:var(--c-surface-2)}
.card-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-img img{transform:scale(1.03)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;color:var(--c-primary);line-height:1.45}
.card-body p{font-size:15px;color:var(--c-text-2);line-height:1.75}
.card-body .text-link{margin-top:auto}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--c-border)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:transparent;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--c-primary);transition:background-color .2s var(--ease)}
.faq-q:hover{background:rgba(15,61,51,.04)}
.faq-mark{position:relative;width:24px;height:24px;flex:0 0 24px;border-radius:50%;border:1.5px solid var(--c-accent);color:var(--c-accent)}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%)}
.faq-mark::before{width:11px;height:1.5px}
.faq-mark::after{width:1.5px;height:11px;transition:opacity .2s var(--ease),transform .2s var(--ease)}
.faq-item.is-open .faq-mark::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{display:none;padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--c-text-2)}
.faq-item.is-open .faq-a{display:block}
.faq-item.is-open .faq-q{box-shadow:inset 3px 0 0 var(--c-accent)}

/* ---------- CTA ---------- */
.cta-block{position:relative;overflow:hidden;border-radius:var(--r-lg);background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));padding:40px 28px;color:#fff}
@media (min-width:1024px){.cta-block{padding:56px 56px;display:flex;align-items:center;justify-content:space-between;gap:48px}}
.cta-block::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;border:1px solid rgba(255,255,255,.14);pointer-events:none}
.cta-block h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:700;color:#fff;margin-bottom:12px}
.cta-block p{font-size:16px;color:rgba(255,255,255,.78);max-width:560px}
.cta-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:1024px){.cta-actions{margin-top:0;flex:0 0 auto}}

/* ---------- Footer ---------- */
.site-footer{margin-top:88px;background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-text{font-size:17px;font-weight:600;color:rgba(255,255,255,.95)}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:12px}
.footer-contact{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-title{font-size:15px;font-weight:600;color:rgba(255,255,255,.95);margin-bottom:16px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{position:relative;font-size:14px;color:rgba(255,255,255,.72);display:inline-block}
.footer-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--c-accent);transition:width .25s var(--ease)}
.footer-links a:hover{color:var(--c-accent)}
.footer-links a:hover::after{width:100%}
.footer-sub{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.footer-sub input{flex:1 1 160px;height:44px;padding:0 14px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;font-size:14px}
.footer-sub input::placeholder{color:rgba(255,255,255,.5)}
.footer-sub input:focus{outline:none;border-color:rgba(255,255,255,.5);box-shadow:0 0 0 3px rgba(255,255,255,.12)}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- Responsive dock ---------- */
@media (max-width:1023px){
  .site-dock{top:12px}
  .dock-bar{height:56px;padding:8px 14px}
  .dock-menu{display:none}
  .dock-tools .btn{display:none}
  .dock-toggle{display:flex}
  .dock-brand-text{font-size:15px}
  .page-main{padding-top:88px}
  .crumbs [aria-current="page"]{max-width:220px}
}
@media (max-width:639px){
  .article-head h1{font-size:26px}
  .cta-actions .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F3D33;
  --c-primary-light:#17594A;
  --c-primary-dark:#082A23;
  --c-accent:#F05A28;
  --c-accent-dark:#D64A1C;
  --c-gold:#E8B33C;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEAE1;
  --c-text:#1A1F1C;
  --c-text-2:#4B5551;
  --c-text-3:#8A918C;
  --c-border:#E2DCD2;
  --c-error:#C0392B;
  --r-card:16px;
  --r-btn:999px;
  --r-input:12px;
  --r-large:24px;
  --sh-1:0 1px 2px rgba(15,61,51,.06), 0 8px 24px rgba(15,61,51,.06);
  --sh-2:0 12px 32px rgba(15,61,51,.12);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:72px; --sp-8:104px;
  --ease:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;font-weight:inherit;}
h1,h2,h3,h4{color:var(--c-primary);line-height:1.3;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--c-text);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
[id]{scroll-margin-top:96px;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%;}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.cell{flex:0 0 auto;width:100%;padding-left:12px;padding-right:12px;min-width:0;}
@media (min-width:640px){
  .medium-6{width:50%;}
  .medium-12{width:100%;}
}
@media (min-width:1024px){
  .grid-container{max-width:1200px;}
  .large-3{width:25%;}
  .large-4{width:33.3333%;}
  .large-5{width:41.6667%;}
  .large-6{width:50%;}
  .large-7{width:58.3333%;}
  .large-8{width:66.6667%;}
  .large-9{width:75%;}
  .large-12{width:100%;}
}
.section{padding:56px 0;}
@media (min-width:1024px){ .section{padding:88px 0;} }
.section--surface{background:var(--c-surface);}
.section--alt{background:var(--c-surface-2);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:.2px;}
.section-head p{margin-top:12px;color:var(--c-text-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(240,90,40,.10);color:var(--c-accent-dark);
  font-size:13px;font-weight:500;letter-spacing:.4px;
  padding:6px 14px;border-radius:var(--r-btn);margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* ---------- Dock 导航 ---------- */
.site-dock{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:1120px;z-index:80;}
.dock-bar{
  display:flex;align-items:center;gap:16px;
  height:64px;padding:10px 18px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(15,61,51,.10);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-dock.is-scrolled .dock-bar{box-shadow:var(--sh-2);background:rgba(255,255,255,.94);}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-primary);}
.dock-brand:hover{color:var(--c-primary);}
.dock-mark{
  width:32px;height:32px;border-radius:10px;background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.dock-mark svg{width:19px;height:19px;fill:none;stroke:#fff;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.footer-brand .dock-mark svg{stroke:#fff;}
.dock-brand-text{font-size:17px;font-weight:600;letter-spacing:.2px;white-space:nowrap;}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-link{
  font-size:14px;font-weight:500;color:var(--c-text-2);
  padding:10px 14px;border-radius:var(--r-btn);position:relative;
  transition:background var(--ease),color var(--ease);
}
.dock-link:hover{background:rgba(15,61,51,.08);color:var(--c-primary);}
.dock-link.is-active{background:rgba(15,61,51,.10);color:var(--c-primary);font-weight:600;}
.dock-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:18px;height:2px;border-radius:2px;background:var(--c-accent);
}
.dock-tools{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.dock-icon{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-primary);transition:background var(--ease);
}
.dock-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;}
.dock-icon:hover{background:rgba(15,61,51,.08);}
.dock-toggle{display:none;width:40px;height:40px;border-radius:12px;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.dock-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform var(--ease),opacity var(--ease);}
.dock-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.dock-toggle.is-open span:nth-child(2){opacity:0;}
.dock-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.dock-panel{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(240,90,40,.22);}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-dark{background:var(--c-primary);color:#fff;}
.btn-dark:hover{background:var(--c-primary-light);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(15,61,51,.10);color:var(--c-primary);}
.btn-light{background:#fff;color:var(--c-primary);}
.btn-light:hover{background:#fff;color:var(--c-accent-dark);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding-top:104px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--c-border);}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb [aria-current]{color:var(--c-primary);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;border-radius:var(--r-large);
  margin-top:20px;padding:40px 28px;
  background-image:linear-gradient(135deg,rgba(8,42,35,.92),rgba(15,61,51,.78)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#fff;
}
.cat-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,48px);font-weight:700;letter-spacing:.4px;line-height:1.25;
  max-width:820px;
}
.cat-hero h1 em{font-style:normal;color:#FFD9C6;border-bottom:3px solid var(--c-accent);padding-bottom:2px;}
.cat-hero p{margin-top:18px;max-width:640px;font-size:16px;color:rgba(255,255,255,.80);}
.cat-hero .btn-row{margin-top:28px;}
.cat-hero .eyebrow{background:rgba(240,90,40,.20);color:#FFCDB8;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  font-size:13px;padding:6px 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.9);
}
@media (min-width:1024px){
  .cat-hero{padding:64px 56px;}
  .cat-hero .hero-inner{max-width:760px;}
}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--c-border);border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-border);margin-top:24px;
}
.stat-item{background:var(--c-surface);padding:22px 20px;}
.stat-item b{display:block;font-size:26px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.stat-item span{display:block;margin-top:6px;font-size:14px;color:var(--c-text-2);}
@media (min-width:768px){ .stat-strip{grid-template-columns:repeat(4,1fr);} }

/* ---------- 左侧粘性目录 ---------- */
.toc-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:20px 16px;box-shadow:var(--sh-1);
}
.toc-card h2{font-size:16px;font-weight:700;padding:0 10px 12px;border-bottom:1px solid var(--c-border);margin-bottom:10px;}
.toc-link{
  display:block;font-size:14px;color:var(--c-text-2);padding:10px 12px;border-radius:10px;
  border-left:3px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.toc-link:hover{background:rgba(15,61,51,.05);color:var(--c-primary);}
.toc-link.is-current{background:rgba(15,61,51,.10);color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent);}
.toc-note{margin-top:16px;padding:14px 14px;border-radius:12px;background:var(--c-surface-2);font-size:13px;color:var(--c-text-2);line-height:1.7;}
@media (min-width:1024px){
  .toc-cell{position:sticky;top:96px;align-self:flex-start;}
}

/* ---------- 交替图文行 ---------- */
.flow-row{display:flex;flex-wrap:wrap;align-items:center;gap:32px;padding:32px 0;border-bottom:1px solid var(--c-border);}
.flow-row:last-child{border-bottom:0;}
.flow-media{flex:1 1 300px;min-width:280px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-border);background:var(--c-surface);}
.flow-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
.flow-row:hover .flow-media img{transform:scale(1.03);}
.flow-body{flex:1 1 340px;min-width:280px;}
.flow-body h2{font-size:clamp(21px,2.2vw,27px);font-weight:700;margin-bottom:12px;}
.flow-body h2::before{content:"";display:inline-block;width:14px;height:3px;border-radius:3px;background:var(--c-accent);vertical-align:middle;margin-right:10px;}
.flow-body p{color:var(--c-text-2);margin-bottom:14px;}
.flow-list li{position:relative;padding-left:20px;margin-bottom:8px;font-size:15px;color:var(--c-text-2);}
.flow-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;border:2px solid var(--c-accent);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  font-size:13px;font-weight:500;padding:6px 13px;border-radius:var(--r-btn);
  background:var(--c-surface-2);color:var(--c-text-2);
}
@media (min-width:1024px){
  .flow-row{gap:48px;padding:44px 0;flex-wrap:nowrap;}
  .flow-row.reverse{flex-direction:row-reverse;}
  .flow-media{flex:0 0 41.6%;}
  .flow-body{flex:1 1 auto;}
  .flow-row.media-wide .flow-media{flex:0 0 55%;}
  .flow-row.media-wide .flow-body{flex:0 0 41.6%;}
}

/* ---------- 横向卡片轨道 ---------- */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.rail-head h2{font-size:clamp(23px,2.6vw,32px);font-weight:700;}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;margin:0 -4px;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(15,61,51,.22);border-radius:99px;}
.rail-card{
  scroll-snap-align:start;flex:0 0 84%;max-width:340px;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,61,51,.30);}
.rail-num{font-size:28px;font-weight:700;color:rgba(15,61,51,.28);font-variant-numeric:tabular-nums;display:block;margin-bottom:10px;}
.rail-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.rail-card p{font-size:14px;color:var(--c-text-2);line-height:1.75;}
.rail-card .rail-link{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(15,61,51,.25);}
.rail-card .rail-link:hover{color:var(--c-accent);border-color:var(--c-accent);}
@media (min-width:768px){ .rail-card{flex:0 0 46%;} }
@media (min-width:1024px){
  .rail{overflow:visible;scroll-snap-type:none;}
  .rail-card{flex:1 1 0;max-width:none;}
}

/* ---------- 协助区块 ---------- */
.support-band{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-large);
  padding:28px 24px;box-shadow:var(--sh-1);
}
.support-band h2{font-size:clamp(21px,2.2vw,26px);font-weight:700;margin-bottom:10px;}
.support-band p{color:var(--c-text-2);}
.support-grid{display:grid;gap:16px;margin-top:22px;grid-template-columns:1fr;}
.support-grid div{background:var(--c-surface-2);border-radius:14px;padding:18px;}
.support-grid strong{display:block;font-size:15px;color:var(--c-primary);margin-bottom:6px;}
.support-grid span{font-size:14px;color:var(--c-text-2);}
@media (min-width:768px){ .support-grid{grid-template-columns:repeat(3,1fr);} }

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(15,61,51,.28);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-primary);
  transition:background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(15,61,51,.04);}
.faq-item summary .faq-mark{
  margin-left:auto;flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--c-accent);color:var(--c-accent);font-size:15px;font-weight:600;line-height:1;
}
.faq-item[open] summary .faq-mark::after{content:"−";}
.faq-item:not([open]) summary .faq-mark::after{content:"+";}
.faq-body{padding:0 24px 22px;border-left:3px solid var(--c-accent);margin-left:0;font-size:15.5px;color:var(--c-text-2);}
.faq-body p+p{margin-top:10px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  border-radius:var(--r-large);padding:36px 26px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));
  color:#fff;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  box-shadow:var(--sh-1);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:700;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.78);max-width:560px;}
.cta-band .btn-row{flex:0 0 auto;}
@media (min-width:1024px){ .cta-band{padding:48px 56px;} }
@media (max-width:639px){ .cta-band .btn{width:100%;} .cta-band .btn-row{width:100%;} }

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:56px 0 28px;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;} }
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand-text{font-size:17px;font-weight:600;color:#fff;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:12px;}
.footer-contact{font-size:13px;line-height:1.9;color:rgba(255,255,255,.60);}
.footer-title{font-size:15px;font-weight:600;color:rgba(255,255,255,.95);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);position:relative;}
.footer-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--c-accent);transition:width var(--ease);}
.footer-links a:hover{color:var(--c-accent);}
.footer-links a:hover::after{width:100%;}
.footer-sub{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap;}
.footer-sub input{
  flex:1 1 150px;height:44px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;
  appearance:none;-webkit-appearance:none;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.55);}
.footer-sub input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(240,90,40,.22);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.60);
}

/* ---------- 移动端 ---------- */
@media (max-width:1023px){
  .site-dock{top:12px;}
  .dock-bar{height:56px;padding:8px 12px;gap:10px;}
  .dock-brand-text{font-size:15px;}
  .dock-menu{display:none;}
  .dock-tools .btn-sm{display:none;}
  .dock-toggle{display:flex;}
  .dock-panel{
    display:block;max-height:0;overflow:hidden;opacity:0;
    margin-top:8px;border-radius:var(--r-large);
    background:rgba(255,255,255,.96);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border:1px solid rgba(15,61,51,.10);box-shadow:var(--sh-2);
    transition:max-height 260ms cubic-bezier(.2,.7,.3,1),opacity var(--ease);
  }
  .dock-panel.is-open{max-height:420px;opacity:1;padding:10px;}
  .dock-panel-link{
    display:flex;align-items:center;height:48px;padding:0 16px;border-radius:14px;
    font-size:15px;font-weight:500;color:var(--c-text-2);
  }
  .dock-panel-link:hover{background:rgba(15,61,51,.06);color:var(--c-primary);}
  .dock-panel-link.is-active{background:rgba(15,61,51,.10);color:var(--c-primary);font-weight:600;}
  .dock-panel .btn{margin-top:8px;}
  body{padding-top:76px;}
}
@media (min-width:1024px){
  body{padding-top:0;}
  .crumb-bar{padding-top:112px;}
}
@media (max-width:639px){
  html{font-size:15px;}
  .cat-hero{padding:32px 20px;border-radius:20px;}
  .stat-item b{font-size:22px;}
  .faq-item summary{font-size:16px;padding:18px;}
  .flow-media img{aspect-ratio:16/11;}
  .section{padding:48px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#0F3D33;
  --c-primary-light:#17594A;
  --c-primary-dark:#082A23;
  --c-accent:#F05A28;
  --c-gold:#E8B33C;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEAE1;
  --c-text:#1A1F1C;
  --c-text-2:#4B5551;
  --c-text-3:#8A918C;
  --c-border:#E2DCD2;
  --c-error:#C0392B;
  --r-sm:10px;--r-input:12px;--r-card:16px;--r-lg:24px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,51,.06),0 8px 24px rgba(15,61,51,.06);
  --sh-2:0 12px 32px rgba(15,61,51,.12);
  --tr:200ms cubic-bezier(.2,.7,.3,1);
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);letter-spacing:0}
h3{font-size:21px;line-height:1.4;font-weight:600}
h4{font-size:17px;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
img{display:block;max-width:100%;height:auto;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
table{border-collapse:collapse}
[id]{scroll-margin-top:104px}
.anchor-target{display:block;position:relative;height:0;visibility:hidden}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
/* ============ 容器 ============ */
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:640px){.grid-container{padding-left:32px;padding-right:32px}}
@media(min-width:1024px){.grid-container{padding-left:48px;padding-right:48px;max-width:1280px}}
/* ============ 浮动 Dock 导航 ============ */
.site-dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1120px;z-index:80;
}
.dock-bar{
  display:flex;align-items:center;gap:14px;height:64px;padding:10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(15,61,51,.10);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--tr),background var(--tr);
}
.site-dock.is-scrolled .dock-bar{box-shadow:var(--sh-2);background:rgba(255,255,255,.94)}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-mark{
  width:32px;height:32px;border-radius:10px;background:var(--c-primary);
  display:grid;place-items:center;flex:0 0 auto;
}
.dock-mark svg{width:20px;height:20px;fill:none;stroke:var(--c-accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.dock-brand-text{font-size:17px;font-weight:600;color:var(--c-primary);white-space:nowrap;letter-spacing:.01em}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:6px}
.dock-link{
  position:relative;padding:10px 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--c-text-2);white-space:nowrap;
  transition:background var(--tr),color var(--tr);
}
.dock-link:hover{background:rgba(15,61,51,.08);color:var(--c-primary)}
.dock-link.is-active{background:rgba(15,61,51,.10);color:var(--c-primary)}
.dock-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-accent);
}
.dock-tools{margin-left:auto;display:flex;align-items:center;gap:8px}
.dock-icon{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  color:var(--c-primary);transition:background var(--tr);
}
.dock-icon:hover{background:rgba(15,61,51,.08)}
.dock-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:12px;place-items:center;gap:4px;
  flex-direction:column;justify-content:center;transition:background var(--tr);
}
.dock-toggle span{display:block;width:18px;height:1.5px;background:var(--c-primary);border-radius:2px;transition:transform var(--tr),opacity var(--tr)}
.dock-toggle:hover{background:rgba(15,61,51,.08)}
.dock-panel{
  display:none;margin-top:8px;padding:10px;border-radius:24px;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(15,61,51,.10);box-shadow:var(--sh-2);
}
.dock-panel.is-open{display:block}
.dock-panel-link{
  display:flex;align-items:center;height:48px;padding:0 16px;border-radius:14px;
  font-size:15px;color:var(--c-text-2);transition:background var(--tr),color var(--tr);
}
.dock-panel-link:hover{background:rgba(15,61,51,.08);color:var(--c-primary)}
.dock-panel-link.is-active{background:rgba(15,61,51,.10);color:var(--c-primary);font-weight:600}
.dock-panel .btn{margin-top:8px}
@media(max-width:1023px){
  .site-dock{top:12px;width:calc(100% - 24px)}
  .dock-bar{height:56px;padding:8px 12px 8px 14px}
  .dock-menu{display:none}
  .dock-tools .btn{display:none}
  .dock-toggle{display:flex}
  .dock-brand-text{font-size:16px}
}
@media(max-width:400px){.dock-brand-text{font-size:15px}}
/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;text-align:center;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--tr),background var(--tr),color var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:#d94c1e;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:rgba(15,61,51,.10);color:var(--c-primary);transform:translateY(-2px)}
.btn-outline:active{transform:none}
.btn-ghost{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{display:flex;width:100%}
/* ============ 主内容与板块 ============ */
.page-main{padding-top:104px}
@media(max-width:1023px){.page-main{padding-top:84px}}
.section{padding:88px 0}
.section-alt{background:var(--c-surface)}
@media(max-width:1023px){.section{padding:64px 0}}
@media(max-width:639px){.section{padding:56px 0}}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-eyebrow{
  display:inline-flex;align-items:center;padding:6px 14px;margin-bottom:16px;
  border-radius:var(--r-pill);background:rgba(240,90,40,.10);color:var(--c-accent);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3;margin-bottom:14px}
.sec-head p{color:var(--c-text-2);font-size:16px;margin:0;max-width:38em}
/* ============ 面包屑 ============ */
.crumb-wrap{padding-top:22px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--c-text-3)}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-accent)}
.crumb [aria-current]{color:var(--c-primary);font-weight:600}
/* ============ 分类 Hero ============ */
.hero-section{padding-top:24px;padding-bottom:8px}
.page-hero{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--c-primary-dark);color:#fff;
  padding:56px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  min-height:340px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.32;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(8,42,35,.93),rgba(15,61,51,.74));
}
.page-hero>*{position:relative;z-index:1}
.hero-tag{
  display:inline-flex;padding:6px 14px;margin-bottom:18px;border-radius:var(--r-pill);
  background:rgba(240,90,40,.20);color:#FFD9C8;font-size:13px;font-weight:600;
}
.page-hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.25;color:#fff;margin-bottom:18px}
.page-hero h1 em{font-style:normal;color:#FF8A5C;border-bottom:3px solid rgba(240,90,40,.55);padding-bottom:2px}
.hero-sub{color:rgba(255,255,255,.80);font-size:17px;max-width:34em;margin-bottom:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;border:1px solid rgba(255,255,255,.14)}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14)}
.hero-fact strong{display:block;font-size:22px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.hero-fact span{font-size:13px;color:rgba(255,255,255,.68)}
@media(max-width:1023px){
  .page-hero{grid-template-columns:1fr;gap:32px;padding:40px;min-height:0}
  .hero-visual{order:-1}
  .hero-visual img{aspect-ratio:16/9}
}
@media(max-width:639px){
  .page-hero{padding:28px 22px;border-radius:20px}
  .hero-cta .btn{width:100%}
  .hero-facts{gap:20px}
}
/* ============ 对比表 ============ */
.cmp-wrap{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:20px;overflow:hidden;box-shadow:var(--sh-1);
}
.cmp-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.cmp{width:100%;min-width:840px;font-size:15px;margin:0;background:transparent}
.cmp th,.cmp td{
  padding:16px 20px;text-align:left;vertical-align:top;
  border-bottom:1px solid var(--c-border);line-height:1.7;
}
.cmp thead th{
  background:var(--c-primary);color:#fff;font-weight:600;font-size:15px;
  border-bottom:0;white-space:nowrap;
}
.cmp thead th .cmp-badge{
  display:inline-flex;align-items:center;margin-left:8px;padding:2px 10px;
  border-radius:var(--r-pill);background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;
}
.cmp tbody tr:nth-child(even) td{background:var(--c-surface-2)}
.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td.row-label{font-weight:600;color:var(--c-primary);width:180px}
table.cmp tbody td.is-feature{background:rgba(15,61,51,.08);box-shadow:inset 2px 0 0 var(--c-accent)}
.cmp-note{
  margin-top:18px;font-size:14px;color:var(--c-text-3);
  display:flex;gap:10px;align-items:flex-start;
}
.cmp-note svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;fill:none;stroke:var(--c-accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
/* ============ 场景卡（错落网格） ============ */
.scene-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.scene-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,61,51,.3)}
.scene-card--wide{grid-column:span 6}
.scene-card--small{grid-column:span 3}
.scene-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2)}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-index{font-size:13px;font-weight:600;color:var(--c-accent);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.scene-body h3{font-size:21px}
.scene-card--small .scene-body h3{font-size:18px}
.scene-body p{font-size:15px;color:var(--c-text-2);margin:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:14px}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-surface-2);color:var(--c-text-2);font-size:13px;font-weight:500;
}
@media(max-width:1023px){
  .scene-card--wide,.scene-card--small{grid-column:span 6}
}
@media(max-width:639px){
  .scene-card--wide,.scene-card--small{grid-column:span 12}
  .scene-body{padding:20px}
}
/* ============ 四步时间线 ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;top:13px;left:14px;right:14px;height:2px;
  background:var(--c-border);border-radius:2px;
}
.tl-item{position:relative;padding-top:46px}
.tl-dot{
  position:absolute;top:0;left:0;width:28px;height:28px;border-radius:50%;
  background:var(--c-accent);color:#fff;font-size:13px;font-weight:600;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 5px rgba(240,90,40,.14);
}
.tl-item h3{font-size:19px;margin-bottom:8px}
.tl-item p{font-size:15px;color:var(--c-text-2);margin:0}
@media(max-width:767px){
  .timeline{grid-template-columns:1fr;gap:0}
  .timeline::before{left:13px;right:auto;top:14px;bottom:24px;width:2px;height:auto}
  .tl-item{padding:0 0 30px 46px}
  .tl-item:last-child{padding-bottom:0}
  .tl-dot{top:2px}
}
/* ============ FAQ ============ */
.faq-accordion{
  margin:0;border:1px solid var(--c-border);border-radius:var(--r-card);
  background:var(--c-surface);box-shadow:var(--sh-1);overflow:hidden;
}
.faq-accordion .accordion-item{border-bottom:1px solid var(--c-border);transition:box-shadow var(--tr)}
.faq-accordion .accordion-item:last-child{border-bottom:0}
.faq-accordion .accordion-item.is-active{box-shadow:inset 3px 0 0 var(--c-accent)}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-text);
  background:transparent;border:0;line-height:1.6;transition:background var(--tr);
}
.faq-accordion .accordion-title::before{display:none}
.faq-accordion .accordion-title::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--c-accent);color:var(--c-accent);
  display:grid;place-items:center;font-size:16px;font-weight:600;line-height:1;
  transition:background var(--tr),color var(--tr);
}
.faq-accordion .accordion-item.is-active .accordion-title::after{content:"−";background:var(--c-accent);color:#fff}
.faq-accordion .accordion-title:hover{background:rgba(15,61,51,.04)}
.faq-accordion .accordion-content{
  display:none;padding:0 24px 22px;border:0;background:transparent;
  font-size:16px;line-height:1.85;color:var(--c-text-2);
}
.faq-accordion .accordion-content.is-open{display:block}
.faq-accordion .accordion-content p{margin:0}
@media(max-width:639px){
  .faq-accordion .accordion-title{padding:16px 18px;font-size:16px}
  .faq-accordion .accordion-content{padding:0 18px 18px}
}
/* ============ CTA 条 ============ */
.cta-section{padding:0 0 104px;background:var(--c-bg)}
@media(max-width:1023px){.cta-section{padding:0 0 72px}}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));
  color:#fff;box-shadow:var(--sh-1);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);margin:0;font-size:16px;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
.cta-actions .btn-white{background:#fff;color:var(--c-primary)}
.cta-actions .btn-white:hover{background:#F3EFE7;color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2)}
@media(max-width:1023px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;gap:26px}
}
@media(max-width:639px){
  .cta-band{padding:28px 22px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:48px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-text{font-size:17px;font-weight:600;color:#fff;letter-spacing:.01em}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0 0 12px}
.footer-contact{font-size:14px;line-height:1.8;color:rgba(255,255,255,.60);margin:0}
.footer-title{font-size:15px;font-weight:600;color:rgba(255,255,255,.95);margin:0 0 18px}
.footer-links li{margin-bottom:12px}
.footer-links li:last-child{margin-bottom:0}
.footer-links a{position:relative;display:inline-block;font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;
  background:var(--c-accent);transition:width var(--tr);
}
.footer-links a:hover{color:var(--c-accent)}
.footer-links a:hover::after{width:100%}
.footer-sub{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-sub input{
  flex:1 1 160px;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;
  font-size:14px;appearance:none;-webkit-appearance:none;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.footer-sub input::placeholder{color:rgba(255,255,255,.5)}
.footer-sub input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(240,90,40,.22)}
.footer-sub .btn{height:44px;padding:0 18px;font-size:14px;flex:0 0 auto}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:24px 0 32px;font-size:13px;color:rgba(255,255,255,.55);
}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media(max-width:639px){
  .site-footer{padding-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:8px}
}