/* roulang page: index */
:root{
  --pine:#0B3B36;
  --teal:#0F6B5E;
  --teal-2:#168C7A;
  --grass:#B8D94A;
  --orange:#E86A33;
  --amber:#F2A33A;
  --paper:#F7F4EC;
  --paper-2:#FBF9F3;
  --card:#FFFFFF;
  --ink:#16211E;
  --muted:#5F6B66;
  --line:#DDE3DA;
  --mint:#F1F7E8;
  --grad-brand:linear-gradient(135deg,#0B3B36 0%,#0F6B5E 55%,#168C7A 100%);
  --grad-accent:linear-gradient(135deg,#E86A33 0%,#F2A33A 100%);
  --grad-light:linear-gradient(90deg,#0F6B5E 0%,#B8D94A 100%);
  --r-lg:26px;
  --r-md:20px;
  --r-sm:13px;
  --shadow:0 10px 30px rgba(11,59,54,.08);
  --shadow-hover:0 18px 50px rgba(11,59,54,.12);
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
:focus-visible{outline:3px solid rgba(232,106,51,.45);outline-offset:3px;border-radius:8px}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px}
.section{padding:var(--section) 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--teal);letter-spacing:.08em;text-transform:uppercase}
.section-kicker::before{content:"";width:24px;height:2px;background:var(--grad-light);border-radius:2px}
h2{font-size:38px;line-height:1.2;font-weight:800;letter-spacing:-.01em;margin-top:14px}
.section-desc{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.8}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px rgba(232,106,51,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(232,106,51,.36);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(232,106,51,.28)}
.btn-ghost{background:transparent;color:var(--pine);border:1.5px solid var(--pine)}
.btn-ghost:hover{background:var(--mint);transform:translateY(-2px)}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--teal);transition:color .2s ease}
.link-arrow span.ar{transition:transform .2s ease}
.link-arrow:hover{color:var(--orange)}
.link-arrow:hover span.ar{transform:translateX(4px)}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,236,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{background:rgba(251,249,243,.96);border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(11,59,54,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(11,59,54,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--pine)}
.brand-text em{font-style:normal;font-size:12px;color:var(--teal);letter-spacing:.16em;font-weight:600}
.main-nav{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#33403B;
  padding:6px 2px;border-radius:6px;transition:color .2s ease,background-color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;
  background:var(--grad-light);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--teal);background:rgba(184,217,74,.14)}
.nav-link.is-active{color:var(--pine);font-weight:700;background:rgba(184,217,74,.18)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{
  height:44px;padding:0 22px;border-radius:999px;display:inline-flex;align-items:center;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 8px 22px rgba(11,59,54,.22);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(11,59,54,.28);filter:brightness(1.06)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle i{display:block;width:18px;height:2px;border-radius:2px;background:var(--pine);transition:transform .2s ease,opacity .2s ease}
.nav-toggle:hover{background:var(--mint)}

/* 移动端抽屉 */
.nav-mask{
  position:fixed;inset:0;background:rgba(11,59,54,.55);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:70;
}
.nav-mask.is-open{opacity:1;visibility:visible}
.mobile-nav{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;z-index:80;
  background:var(--paper-2);padding:20px 22px 28px;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
  box-shadow:-20px 0 50px rgba(11,59,54,.2);
}
.mobile-nav.is-open{transform:translateX(0)}
.mobile-nav-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:10px}
.mobile-nav-head span{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--teal)}
.mobile-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;color:var(--pine)}
.mobile-close:hover{background:var(--mint)}
.mobile-nav a.m-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:#2C3A35;transition:background-color .2s ease,color .2s ease;
}
.mobile-nav a.m-link:hover{background:var(--mint);color:var(--teal)}
.mobile-nav a.m-link.is-active{background:rgba(184,217,74,.24);color:var(--pine);font-weight:700}
.mobile-nav .m-cta{margin-top:14px;width:100%;justify-content:center}

/* ============ hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--paper);
  padding:72px 0 84px;
}
.hero::before{
  content:"";position:absolute;top:-280px;right:-180px;width:760px;height:760px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(22,140,122,.20),rgba(184,217,74,.10) 45%,rgba(247,244,236,0) 70%);
  pointer-events:none;
}
.hero-lines{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-lines i{position:absolute;display:block;height:2px;border-radius:999px;background:linear-gradient(90deg,rgba(15,107,94,.28),rgba(184,217,74,0));}
.hero-lines i:nth-child(1){width:520px;top:120px;left:-90px;transform:rotate(-8deg)}
.hero-lines i:nth-child(2){width:420px;bottom:110px;right:8%;transform:rotate(6deg);background:linear-gradient(90deg,rgba(232,106,51,.22),rgba(247,244,236,0))}
.hero-lines i:nth-child(3){width:300px;top:60%;left:34%;transform:rotate(-4deg);background:linear-gradient(90deg,rgba(22,140,122,.18),rgba(247,244,236,0))}
.hero-grid{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;border-radius:999px;background:#fff;
  border:1px solid rgba(15,107,94,.18);
  font-size:13px;font-weight:600;color:var(--teal);
  box-shadow:0 6px 18px rgba(11,59,54,.06);
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grass);box-shadow:0 0 0 4px rgba(184,217,74,.22)}
.hero h1{
  margin-top:26px;
  font-size:54px;line-height:1.16;font-weight:800;letter-spacing:-.02em;color:var(--pine);
  max-width:12em;
}
.hero h1 .hl{background:var(--grad-light);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.85;color:#42504A;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;padding-top:24px;border-top:1px dashed var(--line)}
.hero-trust li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted)}
.hero-trust li::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--mint);border:1px solid rgba(15,107,94,.3);box-shadow:inset 0 0 0 3px #fff}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 24px 60px rgba(11,59,54,.16);
  background:var(--pine);
}
.hero-figure img{width:100%;aspect-ratio:4/5;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,59,54,0) 40%,rgba(11,59,54,.72) 100%);
}
.hero-badge{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  background:rgba(251,249,243,.94);border-radius:18px;padding:16px 18px;
  display:flex;flex-direction:column;gap:8px;
  border:1px solid rgba(255,255,255,.5);
  box-shadow:0 12px 30px rgba(11,59,54,.22);
}
.badge-row{display:flex;align-items:center;gap:8px;font-size:13px;color:#2F3D38;font-weight:500}
.badge-row i{width:7px;height:7px;border-radius:50%;background:var(--grass);box-shadow:0 0 0 4px rgba(184,217,74,.22);flex-shrink:0}

/* ============ bento 服务能力 ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-top:8px}
.bento-card{
  position:relative;background:var(--card);border-radius:var(--r-lg);
  padding:32px 30px 28px;border:1px solid rgba(11,59,54,.08);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.bento-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-light);
}
.bento-card:nth-child(2)::before,
.bento-card:nth-child(4)::before{background:var(--grad-accent)}
.bento-card.w7{grid-column:span 7}
.bento-card.w5{grid-column:span 5}
.bento-num{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--teal-2);opacity:.85}
.bento-icon{
  width:48px;height:48px;border-radius:14px;margin:16px 0 18px;
  background:var(--mint);display:flex;align-items:center;justify-content:center;
  color:var(--teal);font-size:20px;font-weight:800;
}
.bento-card.w5 .bento-icon{background:rgba(232,106,51,.12);color:var(--orange)}
.bento-card h3{font-size:22px;line-height:1.3;font-weight:700;color:var(--pine)}
.bento-card p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted)}
.bento-card .link-arrow{margin-top:22px}

/* ============ 数据带 ============ */
.stats-band{
  background:var(--grad-brand);color:#fff;padding:72px 0;position:relative;overflow:hidden;
}
.stats-band::after{
  content:"";position:absolute;width:620px;height:620px;border-radius:50%;right:-220px;top:-260px;
  background:radial-gradient(circle,rgba(184,217,74,.18),rgba(184,217,74,0) 65%);
}
.stats-head{position:relative;z-index:2;max-width:700px;margin-bottom:44px}
.stats-head h2{color:#fff;font-size:36px}
.stats-head p{margin-top:14px;color:rgba(255,255,255,.76);font-size:15px;line-height:1.8}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:6px 26px;border-left:1px solid rgba(255,255,255,.22)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{display:block;font-size:46px;line-height:1.1;font-weight:800;color:var(--grass);letter-spacing:-.02em}
.stat-label{display:block;margin-top:10px;font-size:15px;font-weight:600;color:#fff}
.stat-note{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.62);line-height:1.6}

/* ============ 场景案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.case-main{
  grid-column:span 8;position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:420px;display:flex;align-items:flex-end;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
}
.case-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.case-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.case-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,59,54,.05) 30%,rgba(11,59,54,.88) 100%)}
.case-main-body{position:relative;z-index:2;padding:34px;color:#fff}
.case-tag{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(184,217,74,.9);color:var(--pine);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.case-main-body h3{margin-top:16px;font-size:26px;font-weight:700;line-height:1.35}
.case-main-body p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.8);max-width:36em}
.case-round{
  position:absolute;right:30px;bottom:30px;width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;
  transition:background-color .2s ease,transform .2s ease;
}
.case-main:hover .case-round{background:var(--orange);transform:translateX(4px)}
.case-side{grid-column:span 4;display:grid;gap:24px}
.case-small{
  display:flex;gap:16px;background:var(--card);border-radius:var(--r-md);
  padding:14px;border:1px solid rgba(11,59,54,.08);box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,background-color .2s ease;
}
.case-small:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);background:var(--paper-2)}
.case-small img{width:120px;height:120px;border-radius:16px;object-fit:cover;flex-shrink:0}
.case-small-body{display:flex;flex-direction:column;justify-content:center;gap:8px;min-width:0}
.case-small-body span.k{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--teal-2)}
.case-small-body h4{font-size:17px;font-weight:700;line-height:1.4;color:var(--pine)}
.case-small-body p{font-size:13px;line-height:1.7;color:var(--muted)}

/* ============ 方案说明 ============ */
.solution-row{
  display:grid;grid-template-columns:repeat(12,1fr);gap:48px;align-items:center;
  margin-top:56px;
}
.solution-row:first-of-type{margin-top:0}
.solution-media{grid-column:span 6;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);position:relative}
.solution-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.solution-text{grid-column:span 6}
.solution-text .tagline{
  display:inline-block;padding:6px 14px;border-radius:999px;background:var(--mint);
  color:var(--teal);font-size:12px;font-weight:700;letter-spacing:.1em;
}
.solution-text h3{margin-top:16px;font-size:26px;line-height:1.35;font-weight:700;color:var(--pine)}
.solution-text p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted)}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;font-size:15px;color:#33403B;line-height:1.7}
.check-list li::before{
  content:"";width:20px;height:20px;border-radius:50%;flex-shrink:0;margin-top:3px;
  background:var(--mint);border:1px solid rgba(15,107,94,.28);
  background-image:linear-gradient(135deg,var(--teal),var(--grass));
  background-size:8px 8px;background-position:center;background-repeat:no-repeat;
  box-shadow:inset 0 0 0 5px var(--mint);
}
.solution-text .link-arrow{margin-top:26px}
.solution-row.reverse .solution-media{order:2}
.solution-row.reverse .solution-text{order:1}

/* ============ 资讯 ============ */
.news-section{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.news-aside{position:sticky;top:100px;align-self:flex-start}
.news-aside h2{margin-top:14px}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--muted);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip.is-on{background:var(--pine);color:#fff;border-color:var(--pine)}
.chip:hover{background:var(--mint);color:var(--teal);border-color:rgba(15,107,94,.3)}
.news-aside .link-arrow{margin-top:26px}
.news-list{display:flex;flex-direction:column;gap:18px}
.news-feature{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  min-height:280px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.news-feature::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,59,54,.1) 20%,rgba(11,59,54,.88) 100%)}
.news-feature-body{position:relative;z-index:2;padding:28px 30px;color:#fff}
.news-feature-body h3{margin-top:14px;font-size:23px;line-height:1.4;font-weight:700}
.news-feature-body p{margin-top:10px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.82);max-width:40em}
.news-feature-meta{display:flex;gap:16px;margin-top:16px;font-size:13px;color:rgba(255,255,255,.72)}
.news-row{
  display:flex;align-items:flex-start;gap:18px;
  background:#fff;border-radius:var(--r-md);padding:20px 22px;
  border:1px solid rgba(11,59,54,.08);box-shadow:0 6px 18px rgba(11,59,54,.05);
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.news-row:hover{background:var(--mint);transform:translateY(-2px);box-shadow:var(--shadow)}
.news-cat{
  flex-shrink:0;padding:5px 12px;border-radius:999px;background:rgba(15,107,94,.1);
  color:var(--teal);font-size:12px;font-weight:700;letter-spacing:.04em;margin-top:3px;
}
.news-row-main{min-width:0;flex:1}
.news-row-main h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--pine);transition:color .2s ease}
.news-row:hover .news-row-main h3{color:var(--teal)}
.news-row-main p{
  margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-date{flex-shrink:0;font-size:13px;color:var(--muted);margin-top:4px;white-space:nowrap}
.news-arrow{
  flex-shrink:0;width:34px;height:34px;border-radius:50%;background:var(--paper);
  display:flex;align-items:center;justify-content:center;color:var(--teal);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.news-row:hover .news-arrow{background:var(--orange);color:#fff;transform:translateX(3px)}
.empty-state{
  border:2px dashed var(--line);background:var(--paper);border-radius:20px;
  padding:44px 30px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;border-radius:18px;background:var(--mint);color:var(--teal);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;font-weight:800;
}
.empty-state h3{font-size:18px;font-weight:700;color:var(--pine)}
.empty-state p{margin-top:8px;font-size:14px;color:var(--muted)}
.empty-state .link-arrow{margin-top:18px}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:repeat(12,1fr);gap:48px}
.faq-aside{grid-column:span 4}
.faq-aside h2{margin-top:14px}
.faq-aside p{margin-top:16px;font-size:15px;line-height:1.8;color:var(--muted)}
.faq-aside .link-arrow{margin-top:22px}
.faq-list{grid-column:span 8;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border-radius:16px;border:1px solid rgba(11,59,54,.08);
  overflow:hidden;transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{background:var(--mint);border-color:rgba(15,107,94,.22);box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;min-height:60px;text-align:left;
  font-size:18px;font-weight:600;color:var(--pine);line-height:1.5;
}
.faq-q:hover{color:var(--teal)}
.faq-icon{
  position:relative;flex-shrink:0;width:30px;height:30px;border-radius:50%;
  background:#fff;border:1px solid rgba(15,107,94,.24);
  transition:background-color .2s ease,transform .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--teal);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:transform .22s ease,opacity .22s ease}
.faq-item.is-open .faq-icon{background:var(--pine);border-color:var(--pine)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:#3C4A45}

/* ============ 联系 ============ */
.contact-card{
  display:grid;grid-template-columns:5fr 7fr;border-radius:28px;overflow:hidden;
  box-shadow:0 24px 60px rgba(11,59,54,.14);background:#fff;
}
.contact-info{
  background:var(--grad-brand);color:#fff;padding:44px 40px;position:relative;overflow:hidden;
}
.contact-info::after{
  content:"";position:absolute;width:380px;height:380px;border-radius:50%;right:-160px;bottom:-180px;
  background:radial-gradient(circle,rgba(184,217,74,.22),rgba(184,217,74,0) 70%);
}
.contact-info h2{color:#fff;font-size:30px;position:relative;z-index:2}
.contact-info p.lead{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);position:relative;z-index:2}
.contact-list{margin-top:30px;display:grid;gap:18px;position:relative;z-index:2}
.contact-list li{display:flex;gap:14px;align-items:flex-start;font-size:14px;line-height:1.7;color:rgba(255,255,255,.9)}
.contact-list li span.k{display:block;font-size:12px;letter-spacing:.1em;color:rgba(184,217,74,.9);font-weight:700}
.contact-list li span.v{display:block;margin-top:2px}
.contact-form{padding:44px 40px;background:var(--paper-2)}
.contact-form h3{font-size:22px;font-weight:700;color:var(--pine)}
.contact-form p.sub{margin-top:8px;font-size:14px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:span 2}
.field label{font-size:14px;font-weight:600;color:#2C3A35}
.field input,.field textarea,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  background:var(--paper);border:1px solid var(--line);color:var(--ink);
  font-size:15px;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--teal);background:#fff;
  box-shadow:0 0 0 3px rgba(184,217,74,.35);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA5A0}
.agree{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:13px;line-height:1.7;color:var(--muted)}
.agree input{width:18px;height:18px;margin-top:3px;accent-color:var(--teal);flex-shrink:0}
.contact-form .btn{margin-top:22px}

/* ============ footer ============ */
.site-footer{background:var(--pine);color:#fff;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;border:1px solid rgba(255,255,255,.18)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(184,217,74,.9)}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:30em}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.1em;color:rgba(184,217,74,.92);margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78);transition:color .2s ease}
.footer-col a:hover{color:var(--grass)}
.footer-contact{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:20px 22px}
.footer-contact li{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.footer-contact li:last-child{margin-bottom:0}
.footer-contact span.k{font-size:12px;letter-spacing:.1em;color:rgba(184,217,74,.9);font-weight:700}
.footer-contact span.v{font-size:14px;color:rgba(255,255,255,.86);line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--grass)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .grid-container{padding-left:28px;padding-right:28px}
  .hero h1{font-size:46px}
  h2{font-size:34px}
  .main-nav{gap:20px}
  .solution-row{gap:34px}
}
@media (max-width:1023px){
  :root{--section:72px}
  .grid-container{padding-left:24px;padding-right:24px}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .hero{padding:52px 0 64px}
  .hero h1{font-size:40px;max-width:none}
  .hero-sub{font-size:16px}
  .hero-figure{margin-top:36px}
  .hero-figure img{aspect-ratio:16/11}
  .bento-card.w7,.bento-card.w5{grid-column:span 12}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat{border-left:1px solid rgba(255,255,255,.22);padding:6px 22px}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .case-main{grid-column:span 12;min-height:340px}
  .case-side{grid-column:span 12;grid-template-columns:1fr 1fr}
  .case-small{flex-direction:column}
  .case-small img{width:100%;height:150px}
  .solution-row{grid-template-columns:1fr;gap:26px;margin-top:44px}
  .solution-media,.solution-text{grid-column:span 12}
  .solution-row.reverse .solution-media{order:0}
  .solution-row.reverse .solution-text{order:0}
  .news-aside{position:static;margin-bottom:30px}
  .faq-layout{grid-template-columns:1fr;gap:30px}
  .faq-aside,.faq-list{grid-column:span 12}
  .contact-card{grid-template-columns:1fr}
  .contact-info,.contact-form{padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  :root{--section:56px}
  .grid-container{padding-left:18px;padding-right:18px}
  h2{font-size:30px}
  .hero h1{font-size:36px;line-height:1.22}
  .hero-trust{gap:14px;flex-direction:column}
  .hero-actions .btn{width:100%}
  .stats-head h2{font-size:28px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px 0}
  .stat-num{font-size:36px}
  .stat{padding:6px 16px}
  .case-side{grid-template-columns:1fr}
  .case-small{flex-direction:row}
  .case-small img{width:96px;height:96px}
  .case-main-body{padding:24px}
  .case-main-body h3{font-size:21px}
  .case-round{right:20px;bottom:20px;width:44px;height:44px}
  .news-row{flex-wrap:wrap;gap:12px}
  .news-date{margin-top:0}
  .news-feature-body{padding:22px}
  .faq-q{font-size:16px;padding:18px}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:span 1}
  .contact-info,.contact-form{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --ink:#0B3B36;
  --teal:#0F6B5E;
  --teal-2:#168C7A;
  --grass:#B8D94A;
  --orange:#E86A33;
  --orange-2:#F2A33A;
  --paper:#F7F4EC;
  --white:#FFFFFF;
  --text:#16211E;
  --muted:#5F6B66;
  --line:#DDE3DA;
  --light-green:#F1F7E8;
  --light-paper:#FBF9F3;
  --grad-brand:linear-gradient(135deg,#0B3B36 0%,#0F6B5E 55%,#168C7A 100%);
  --grad-accent:linear-gradient(135deg,#E86A33 0%,#F2A33A 100%);
  --grad-highlight:linear-gradient(90deg,#0F6B5E 0%,#B8D94A 100%);
  --r-lg:26px;
  --r-md:18px;
  --r-sm:12px;
  --shadow:0 10px 30px rgba(11,59,54,.08);
  --shadow-hover:0 18px 50px rgba(11,59,54,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid rgba(232,106,51,.45);
  outline-offset:3px;
  border-radius:6px;
}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
::selection{background:rgba(184,217,74,.5);color:var(--ink)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.grid-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,236,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(11,59,54,.07)}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:20px;font-weight:800;
  box-shadow:0 8px 18px rgba(11,59,54,.24);flex:none;
}
.brand-text strong{display:block;font-size:17px;line-height:1.2;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand-text em{display:block;font-style:normal;font-size:11.5px;line-height:1.5;color:var(--teal);letter-spacing:.16em}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;display:inline-block;padding:10px 2px;font-size:15px;font-weight:500;
  color:#28433E;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-highlight);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--teal)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:999px;
  background:var(--grad-accent);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 8px 20px rgba(232,106,51,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 14px 30px rgba(232,106,51,.34)}
.nav-cta:active{transform:translateY(0)}
.mobile-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:14px;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.mobile-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,59,54,.55);z-index:85;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;z-index:90;
  background:#fff;padding:18px 20px 28px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;
  box-shadow:-18px 0 40px rgba(11,59,54,.18);
}
body.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--light-paper);
  font-size:22px;line-height:1;color:var(--ink);display:grid;place-items:center;
}
.drawer-nav{display:flex;flex-direction:column;padding-top:10px}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:12px;
  font-size:15.5px;color:var(--ink);transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover,.drawer-nav a:active{background:var(--light-green);color:var(--teal)}
.drawer-nav .drawer-cta{
  margin-top:14px;justify-content:center;background:var(--grad-accent);color:#fff;font-weight:600;
  border-radius:999px;min-height:48px;
}
.drawer-nav .drawer-cta:hover{background:var(--grad-accent);color:#fff;filter:brightness(1.05)}

/* ---------- 通用 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 26px;border-radius:999px;border:0;
  font-size:15.5px;font-weight:600;color:#fff;background:var(--grad-accent);
  box-shadow:0 12px 26px rgba(232,106,51,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 36px rgba(232,106,51,.32)}
.btn:active{transform:translateY(0)}
.btn-ghost{
  background:#fff;color:var(--ink);border:1.5px solid var(--teal);box-shadow:none;
}
.btn-ghost:hover{background:var(--light-green);box-shadow:0 10px 24px rgba(11,59,54,.1)}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--teal);
  transition:color .2s ease;
}
.text-link .arrow{transition:transform .2s ease;display:inline-block}
.text-link:hover{color:var(--orange)}
.text-link:hover .arrow{transform:translateX(4px)}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:0;margin:0;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--teal)}
.breadcrumb .sep{color:#A9B4AE}
.breadcrumb .current{color:var(--orange);font-weight:600}

/* ---------- 文章头部 ---------- */
.article-top{
  position:relative;overflow:hidden;
  background:
    radial-gradient(620px 320px at 92% -18%,rgba(22,140,122,.16),transparent 70%),
    radial-gradient(460px 260px at 4% 108%,rgba(184,217,74,.22),transparent 72%),
    var(--paper);
  padding:26px 0 48px;
}
.article-top::before{
  content:"";position:absolute;left:-10%;right:-10%;top:74px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(15,107,94,.18),transparent);
  pointer-events:none;
}
.article-top .container{position:relative;z-index:1}
.article-head{max-width:900px;margin-top:22px}
.cat-chip{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(15,107,94,.1);color:var(--teal);font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.cat-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grass)}
.article-head h1{
  font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  margin:18px 0 0;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:20px;
  font-size:13.5px;color:var(--muted);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:#C3CCBF}
.summary-card{
  margin-top:26px;padding:20px 24px;border-radius:var(--r-md);
  background:var(--light-green);border-left:4px solid transparent;
  border-image:linear-gradient(180deg,#0F6B5E,#B8D94A) 1;
  border-left-style:solid;border-left-width:4px;
  font-size:15.5px;line-height:1.8;color:#28433E;
}
.summary-card strong{color:var(--ink)}

/* ---------- 阅读区 ---------- */
.article-main{padding:56px 0 76px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:52px;align-items:start}
.reader{
  background:#fff;border-radius:var(--r-lg);border:1px solid rgba(11,59,54,.08);
  box-shadow:var(--shadow);padding:44px 46px;
}
.article-body{max-width:800px;font-size:17px;line-height:1.78;color:#1F2C28}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:28px;line-height:1.34;font-weight:700;color:var(--ink);
  margin:42px 0 18px;padding-left:18px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;
  background:var(--grad-highlight);
}
.article-body h3{font-size:22px;line-height:1.4;font-weight:700;color:var(--ink);margin:32px 0 14px;scroll-margin-top:96px}
.article-body h4{font-size:18px;font-weight:700;color:var(--ink);margin:26px 0 12px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li{position:relative;padding-left:24px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:12px;width:8px;height:8px;border-radius:2px;
  background:var(--grad-highlight);transform:rotate(45deg);
}
.article-body ol{list-style:decimal;padding-left:22px}
.article-body ol li{margin-bottom:10px;padding-left:4px}
.article-body ol li::marker{color:var(--teal);font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;border-radius:var(--r-md);
  background:var(--light-green);border-left:4px solid transparent;
  border-image:linear-gradient(180deg,#E86A33,#B8D94A) 1;
  border-left-style:solid;border-left-width:4px;
  color:#28433E;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px 0;width:100%}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{color:var(--teal);border-bottom:1.5px solid rgba(232,106,51,.55);transition:color .2s ease,border-color .2s ease}
.article-body a:hover{color:var(--orange);border-bottom-color:var(--orange)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:22px 0}
.article-body .table-wrap{overflow-x:auto;margin:22px 0;border-radius:var(--r-sm);border:1px solid var(--line)}
.article-body .table-wrap table{margin:0;min-width:520px}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--light-paper);font-weight:700;color:var(--ink)}
.article-body code{background:var(--light-paper);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14.5px}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0}
.empty-state{
  border:2px dashed var(--line);background:var(--light-paper);border-radius:20px;
  padding:52px 32px;text-align:center;
}
.empty-state .icon{
  width:56px;height:56px;border-radius:18px;margin:0 auto 18px;display:grid;place-items:center;
  background:var(--light-green);color:var(--teal);font-size:24px;font-weight:800;
}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border-radius:var(--r-md);border:1px solid rgba(11,59,54,.08);
  box-shadow:var(--shadow);padding:22px 22px 20px;
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.02em;
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:4px;background:var(--grad-highlight)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:#3E5049;padding:8px 10px;border-radius:10px;
  border-left:2px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:var(--light-green);color:var(--teal);border-left-color:var(--grass)}
.rel-list{display:flex;flex-direction:column;gap:10px}
.rel-list a{
  display:block;font-size:14.5px;line-height:1.6;color:#33443F;padding-left:16px;position:relative;
  transition:color .2s ease;
}
.rel-list a::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--grass);transition:background .2s ease,transform .2s ease;
}
.rel-list a:hover{color:var(--orange)}
.rel-list a:hover::before{background:var(--orange);transform:scale(1.2)}
.side-card .btn{width:100%;margin-top:16px;min-height:46px;font-size:14.5px}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 84px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{font-size:32px;line-height:1.25;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:6px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border-radius:var(--r-md);
  border:1px solid rgba(11,59,54,.08);box-shadow:var(--shadow);padding:16px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.rel-thumb{
  width:88px;height:88px;flex:none;border-radius:14px;overflow:hidden;background:var(--light-green);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(15,107,94,.1);color:var(--teal);font-size:11.5px;font-weight:600;margin-bottom:8px;
}
.rel-card h3{font-size:15.5px;line-height:1.5;font-weight:700;color:var(--ink);margin-bottom:6px}
.rel-card p{font-size:13px;line-height:1.65;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .go{margin-top:10px;font-size:13px;font-weight:600;color:var(--orange);display:inline-flex;align-items:center;gap:6px}

/* ---------- 底部 CTA ---------- */
.article-cta{padding:0 0 88px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad-brand);color:#fff;padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 24px 60px rgba(11,59,54,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,217,74,.32),transparent 68%);
}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:800;position:relative;z-index:1}
.cta-band p{font-size:15px;line-height:1.7;color:rgba(255,255,255,.82);margin-top:10px;max-width:560px;position:relative;z-index:1}
.cta-band .btn{position:relative;z-index:1;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);box-shadow:none}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:var(--grass)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:360px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--grass)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7}
.footer-contact .k{color:rgba(255,255,255,.5);flex:none;min-width:64px}
.footer-contact .v{color:rgba(255,255,255,.86)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container,.grid-container,.header-inner{padding:0 24px}
  .main-nav{gap:20px}
  .article-head h1{font-size:38px}
  .reader{padding:36px 32px}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-cta{display:none}
  .mobile-toggle{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;top:auto;order:2}
  .reader{padding:32px 26px}
  .article-head h1{font-size:34px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{padding:38px 32px}
  .cta-band h2{font-size:26px}
}
@media (max-width:767px){
  .article-top{padding:20px 0 36px}
  .article-main{padding:36px 0 52px}
  .article-head h1{font-size:30px}
  .summary-card{padding:16px 18px;font-size:14.5px}
  .reader{padding:26px 20px;border-radius:20px}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:24px}
  .article-body h3{font-size:20px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .section-head h2{font-size:26px}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .related{padding-bottom:60px}
  .article-cta{padding-bottom:60px}
  .site-footer{padding-top:48px}
}
@media (max-width:519px){
  .container,.grid-container,.header-inner{padding:0 18px}
  .article-head h1{font-size:27px}
  .meta-row{gap:8px 14px;font-size:12.5px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-desc{max-width:none}
  .rel-card{flex-direction:column}
  .rel-thumb{width:100%;height:150px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --pine:#0B3B36;
  --venue:#0F6B5E;
  --teal:#168C7A;
  --grass:#B8D94A;
  --orange:#E86A33;
  --orange2:#F2A33A;
  --paper:#F7F4EC;
  --paper-soft:#FBF9F3;
  --white:#FFFFFF;
  --ink:#16211E;
  --muted:#5F6B66;
  --line:#DDE3DA;
  --grass-soft:#F1F7E8;
  --grad-brand:linear-gradient(135deg,#0B3B36 0%,#0F6B5E 55%,#168C7A 100%);
  --grad-accent:linear-gradient(135deg,#E86A33 0%,#F2A33A 100%);
  --grad-highlight:linear-gradient(90deg,#0F6B5E 0%,#B8D94A 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh:0 10px 30px rgba(11,59,54,.08);
  --sh-hover:0 18px 50px rgba(11,59,54,.12);
  --t:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--pine);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--orange);}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.2;color:var(--ink);}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(232,106,51,.45);outline-offset:2px;border-radius:8px;}

/* ===== 容器 ===== */
.grid-container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:var(--grass-soft);
  border:1px solid rgba(15,107,94,.16);
  color:var(--venue);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--grad-highlight);
}
h2.section-title{font-size:38px;font-weight:800;letter-spacing:-.01em;line-height:1.2;}
.section-sub{font-size:16px;color:var(--muted);margin-top:14px;line-height:1.8;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:50px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-accent);
  color:#fff;
  box-shadow:0 10px 24px rgba(232,106,51,.26);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  filter:brightness(1.05);
  box-shadow:0 16px 34px rgba(232,106,51,.34);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--pine);
  border-color:var(--venue);
}
.btn-ghost:hover{background:var(--grass-soft);color:var(--pine);}
.btn-light{
  background:#fff;
  color:var(--pine);
  border-color:rgba(255,255,255,.6);
}
.btn-light:hover{background:var(--grass);color:var(--pine);}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--venue);
}
.text-link .arrow{transition:transform var(--t);}
.text-link:hover{color:var(--orange);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t);
}
.site-header.is-scrolled{
  box-shadow:0 8px 26px rgba(11,59,54,.09);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:42px;height:42px;
  border-radius:13px;
  background:var(--grad-brand);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(11,59,54,.22);
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--pine);letter-spacing:.02em;}
.brand-text em{
  font-style:normal;
  font-size:11.5px;
  color:var(--teal);
  letter-spacing:.18em;
  margin-top:3px;
}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:42px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:#33413C;
  transition:background var(--t),color var(--t);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:5px;
  height:2px;
  border-radius:2px;
  background:var(--grad-highlight);
  opacity:0;
  transition:opacity var(--t);
}
.nav-link:hover{background:rgba(184,217,74,.16);color:var(--pine);}
.nav-link.is-active{color:var(--pine);background:var(--grass-soft);}
.nav-link.is-active::after{opacity:1;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 22px;
  margin-left:10px;
  border-radius:999px;
  background:var(--grad-accent);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 8px 20px rgba(232,106,51,.24);
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.nav-cta:hover{
  color:#fff;
  transform:translateY(-2px);
  filter:brightness(1.05);
  box-shadow:0 14px 30px rgba(232,106,51,.32);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(11,59,54,.14);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--pine);transition:transform var(--t),opacity var(--t);}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,59,54,.55);
  opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
  z-index:80;
}
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  width:320px;
  max-width:86vw;
  height:100%;
  background:#fff;
  z-index:90;
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
  transform:translateX(103%);
  transition:transform 240ms ease;
  box-shadow:-20px 0 60px rgba(11,59,54,.18);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--paper-soft);
  color:var(--pine);
  font-size:20px;
  line-height:1;
  display:grid;place-items:center;
}
.drawer-link{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 14px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:#33413C;
}
.drawer-link:hover,.drawer-link.is-active{background:var(--grass-soft);color:var(--pine);}
.drawer-cta{
  margin-top:14px;
  display:flex;align-items:center;justify-content:center;
  height:50px;
  border-radius:999px;
  background:var(--grad-accent);
  color:#fff;font-weight:600;
}
body.drawer-open .mobile-drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  padding:20px 0 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--venue);}
.breadcrumb span.sep{color:#A9B3AC;}
.breadcrumb .current{color:var(--orange);font-weight:600;}

/* ===== Hero ===== */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:36px 0 56px;
  background:
    radial-gradient(760px 380px at 92% -14%,rgba(184,217,74,.28),transparent 68%),
    radial-gradient(620px 320px at 4% 110%,rgba(22,140,122,.14),transparent 70%),
    var(--paper);
}
.cat-hero::before{
  content:"";
  position:absolute;
  top:34px;left:-60px;
  width:520px;height:150px;
  border:1.5px solid rgba(15,107,94,.14);
  border-radius:200px;
  transform:rotate(-8deg);
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-40px;
  width:420px;height:120px;
  border:1.5px solid rgba(232,106,51,.14);
  border-radius:200px;
  transform:rotate(-8deg);
  pointer-events:none;
}
.cat-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
  min-height:340px;
}
.cat-hero-copy h1{
  font-size:46px;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.15;
  margin-bottom:18px;
  color:var(--pine);
}
.cat-hero-copy .lead{
  font-size:17px;
  line-height:1.8;
  color:#3E4A45;
  max-width:600px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.micro-list{display:flex;flex-wrap:wrap;gap:10px 22px;}
.micro-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--muted);
}
.micro-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--grad-highlight);
}
.hero-panel{
  background:#fff;
  border-radius:var(--r-lg);
  padding:18px;
  box-shadow:var(--sh);
  border:1px solid rgba(11,59,54,.08);
}
.hero-panel img{
  width:100%;
  height:132px;
  object-fit:cover;
  border-radius:var(--r-md);
  margin-bottom:14px;
}
.panel-rows{display:grid;gap:2px;}
.panel-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:9px 4px;
  border-bottom:1px dashed var(--line);
  font-size:14px;
}
.panel-row:last-child{border-bottom:0;}
.panel-row span{color:var(--muted);}
.panel-row strong{font-weight:700;color:var(--pine);font-size:14px;}
.panel-row strong.ok{color:var(--venue);}
.panel-row strong.ok::before{
  content:"";
  display:inline-block;
  width:7px;height:7px;border-radius:50%;
  background:var(--grass);
  margin-right:6px;
  vertical-align:middle;
}

/* ===== 时间线 ===== */
.timeline-wrap{
  position:relative;
  padding-top:44px;
}
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.timeline::before{
  content:"";
  position:absolute;
  top:-22px;left:40px;right:40px;
  height:2px;
  border-radius:2px;
  background:var(--grad-highlight);
  opacity:.4;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid rgba(11,59,54,.08);
  border-radius:var(--r-lg);
  padding:52px 26px 26px;
  box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(15,107,94,.2);}
.step-num{
  position:absolute;
  top:-22px;left:26px;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  font-size:16px;
  font-weight:700;
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(11,59,54,.24);
}
.step h3{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--pine);}
.step p{font-size:15px;line-height:1.8;color:var(--muted);margin:0 0 14px;}
.step .tip{
  display:inline-block;
  font-size:13px;
  color:var(--venue);
  background:var(--grass-soft);
  border-radius:999px;
  padding:5px 12px;
}

/* ===== 准备清单 ===== */
.prep{background:var(--paper-soft);}
.prep-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.prep-media{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh);
}
.prep-media img{width:100%;height:420px;object-fit:cover;}
.prep-media .badge-float{
  position:absolute;
  left:20px;bottom:20px;
  background:rgba(11,59,54,.86);
  border:1px solid rgba(255,255,255,.24);
  border-radius:16px;
  padding:14px 18px;
  color:#fff;
  backdrop-filter:blur(6px);
}
.badge-float b{display:block;font-size:26px;line-height:1.1;color:var(--grass);font-weight:800;}
.badge-float i{font-style:normal;font-size:12.5px;letter-spacing:.08em;opacity:.86;}
.check-list{display:grid;gap:14px;margin-top:26px;}
.check-list li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:16px 18px;
  background:#fff;
  border-radius:var(--r-md);
  border:1px solid rgba(11,59,54,.08);
  transition:transform var(--t),box-shadow var(--t);
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--sh);}
.check-icon{
  flex:none;
  width:26px;height:26px;
  border-radius:9px;
  background:var(--grass-soft);
  color:var(--venue);
  display:grid;place-items:center;
  font-size:14px;
  font-weight:700;
  margin-top:2px;
}
.check-list strong{display:block;font-size:15.5px;font-weight:700;color:var(--pine);margin-bottom:2px;}
.check-list span{font-size:14px;color:var(--muted);line-height:1.7;}

/* ===== 安全提示 ===== */
.safety{background:var(--paper);}
.safety-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.safety-card{
  position:relative;
  background:#fff;
  border-radius:var(--r-lg);
  padding:28px 26px 26px;
  border:1px solid rgba(11,59,54,.08);
  box-shadow:var(--sh);
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t);
}
.safety-card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--grad-highlight);
}
.safety-card:nth-child(2)::before,
.safety-card:nth-child(4)::before{background:var(--grad-accent);}
.safety-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.safety-card h3{font-size:19px;font-weight:700;margin-bottom:8px;color:var(--pine);}
.safety-card p{font-size:15px;line-height:1.8;color:var(--muted);margin:0;}
.safety-tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  color:var(--venue);
  background:var(--grass-soft);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:12px;
}

/* ===== FAQ ===== */
.faq{background:var(--paper-soft);}
.faq-inner{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid rgba(11,59,54,.08);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.faq-item.is-open{background:var(--grass-soft);border-color:rgba(15,107,94,.22);box-shadow:var(--sh);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  min-height:64px;
  padding:16px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:18px;
  font-weight:600;
  color:var(--pine);
  line-height:1.5;
}
.faq-icon{
  flex:none;
  width:30px;height:30px;
  border-radius:50%;
  background:#fff;
  border:1px solid rgba(15,107,94,.22);
  color:var(--venue);
  display:grid;place-items:center;
  font-size:16px;
  font-weight:700;
  line-height:1;
  transition:background var(--t),color var(--t),transform var(--t);
}
.faq-item.is-open .faq-icon{background:var(--venue);color:#fff;border-color:var(--venue);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease;
}
.faq-a p{
  font-size:15px;
  line-height:1.85;
  color:#3E4A45;
  padding:0 22px 20px;
  margin:0;
}

/* ===== CTA ===== */
.cta-band{
  background:var(--grad-brand);
  border-radius:var(--r-xl);
  padding:48px 44px;
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);
  gap:32px;
  align-items:center;
  position:relative;
  overflow:hidden;
  box-shadow:0 24px 60px rgba(11,59,54,.22);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-70px;top:-70px;
  width:280px;height:280px;
  border-radius:50%;
  border:1px solid rgba(184,217,74,.3);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:32px;font-weight:800;letter-spacing:-.01em;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.84);font-size:15.5px;line-height:1.8;margin:0;max-width:640px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;position:relative;z-index:1;}
.cta-contact{font-size:14px;color:rgba(255,255,255,.78);}
.cta-contact strong{display:block;font-size:20px;color:#fff;font-weight:800;letter-spacing:.02em;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--pine);
  color:rgba(255,255,255,.82);
  margin-top:96px;
  padding:72px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,.8fr) minmax(0,.8fr) minmax(0,1fr);
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;color:#fff;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:var(--grass);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:var(--grass);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;}
.footer-contact .k{color:rgba(255,255,255,.5);flex:none;min-width:64px;}
.footer-contact .v{color:#fff;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ===== 断点 ===== */
@media (max-width:1199px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .cat-hero-copy h1{font-size:40px;}
  .main-nav{gap:0;}
  .nav-link{padding:0 11px;font-size:14.5px;}
  .nav-cta{padding:0 18px;font-size:14.5px;}
}
@media (max-width:1023px){
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  .cat-hero{padding:24px 0 48px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;min-height:0;}
  .cat-hero-copy h1{font-size:36px;}
  .cat-hero-copy .lead{font-size:16px;}
  .timeline{grid-template-columns:1fr;gap:28px;}
  .timeline::before{display:none;}
  .step{padding:48px 22px 24px;}
  .prep-grid{grid-template-columns:1fr;gap:32px;}
  .prep-media img{height:320px;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:767px){
  .safety-grid{grid-template-columns:1fr;}
  h2.section-title{font-size:30px;}
  .cat-hero-copy h1{font-size:32px;}
  .faq-q{font-size:16.5px;padding:14px 18px;}
  .faq-a p{padding:0 18px 18px;}
}
@media (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .cat-hero-copy h1{font-size:28px;line-height:1.22;}
  .hero-actions .btn{width:100%;}
  .micro-list{gap:8px 16px;}
  .prep-media img{height:260px;}
  .cta-band{padding:32px 22px;border-radius:20px;}
  .cta-band h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .breadcrumb{padding-top:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink:#0B3B36;
  --teal:#0F6B5E;
  --teal-2:#168C7A;
  --lime:#B8D94A;
  --orange:#E86A33;
  --paper:#F7F4EC;
  --paper-2:#FBF9F3;
  --card:#FFFFFF;
  --text:#16211E;
  --muted:#5F6B66;
  --line:#DDE3DA;
  --lime-soft:#F1F7E8;
  --grad-brand:linear-gradient(135deg,#0B3B36 0%,#0F6B5E 55%,#168C7A 100%);
  --grad-accent:linear-gradient(135deg,#E86A33 0%,#F2A33A 100%);
  --grad-high:linear-gradient(90deg,#0F6B5E 0%,#B8D94A 100%);
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:13px;
  --shadow-1:0 10px 30px rgba(11,59,54,.08);
  --shadow-2:0 18px 50px rgba(11,59,54,.12);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--teal);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--orange);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;line-height:1.25;font-weight:800;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(232,106,51,.45);outline-offset:3px;border-radius:6px;}

/* 容器 */
.grid-container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}

/* 头部 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,236,.92);
  backdrop-filter:blur(10px);
  transition:box-shadow var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(11,59,54,.07);
}
.header-inner{
  height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  width:42px;height:42px;
  border-radius:14px;
  background:var(--grad-brand);
  color:#EAF6C9;
  font-size:20px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(11,59,54,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--teal-2);letter-spacing:.16em;}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:42px;
  padding:0 6px;
  font-size:15px;
  font-weight:600;
  color:#2C3B37;
  border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:6px;right:6px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-high);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--ink);background:var(--lime-soft);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);background:rgba(184,217,74,.20);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:#fff;
  background:var(--grad-accent);
  box-shadow:0 8px 20px rgba(232,106,51,.28);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 30px rgba(232,106,51,.34);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);}

/* 移动侧滑 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,59,54,.55);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  width:320px;max-width:86vw;
  height:100%;
  background:var(--paper-2);
  z-index:90;
  transform:translateX(100%);
  transition:transform 240ms ease;
  display:flex;
  flex-direction:column;
  box-shadow:-18px 0 50px rgba(11,59,54,.18);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
}
.drawer-title{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.08em;}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  font-size:22px;line-height:1;
  color:var(--ink);
  cursor:pointer;
}
.drawer-nav{padding:14px 16px 28px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  font-size:15.5px;
  font-weight:600;
  color:#243430;
}
.drawer-nav a:hover{background:var(--lime-soft);color:var(--ink);}
.drawer-nav a.is-active{background:rgba(184,217,74,.22);color:var(--ink);}
.drawer-cta{
  margin-top:14px;
  justify-content:center;
  color:#fff !important;
  background:var(--grad-accent) !important;
  border-radius:999px !important;
  box-shadow:0 10px 24px rgba(232,106,51,.28);
}

/* 面包屑 */
.breadcrumb{
  padding:20px 0 0;
  font-size:13px;
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--teal);}
.breadcrumb .sep{color:#A8B3AC;}
.breadcrumb .current{color:var(--orange);font-weight:600;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:50px;
  padding:0 26px;
  border-radius:999px;
  font-size:15.5px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
}
.btn-primary{
  color:#fff;
  background:var(--grad-accent);
  box-shadow:0 12px 28px rgba(232,106,51,.28);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 40px rgba(232,106,51,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  color:var(--ink);
  background:transparent;
  border-color:var(--teal);
}
.btn-outline:hover{color:var(--ink);background:var(--lime-soft);transform:translateY(-2px);}
.btn-ghost-light{
  color:#EAF3EE;
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.42);
}
.btn-ghost-light:hover{color:#fff;background:rgba(255,255,255,.18);transform:translateY(-2px);}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--teal);
}
.text-link .arw{transition:transform var(--ease);}
.text-link:hover{color:var(--orange);}
.text-link:hover .arw{transform:translateX(4px);}

/* Hero */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:34px 0 64px;
  background:
    radial-gradient(720px 380px at 88% -10%, rgba(22,140,122,.16), transparent 70%),
    radial-gradient(520px 320px at 4% 110%, rgba(184,217,74,.20), transparent 72%),
    var(--paper);
}
.page-hero::before{
  content:"";
  position:absolute;
  right:-140px;top:40px;
  width:520px;height:360px;
  border:1.5px solid rgba(15,107,94,.16);
  border-radius:50%;
  transform:rotate(-14deg);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;top:96px;
  width:430px;height:280px;
  border:1.5px solid rgba(232,106,51,.14);
  border-radius:50%;
  transform:rotate(-14deg);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.32fr .92fr;
  gap:44px;
  align-items:center;
  z-index:1;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(15,107,94,.16);
  font-size:13px;
  font-weight:600;
  color:var(--teal);
  letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(11,59,54,.06);
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--grad-accent);
}
.page-hero h1{
  margin:22px 0 18px;
  font-size:48px;
  line-height:1.16;
  letter-spacing:-.02em;
  max-width:14em;
}
.page-hero h1 .hl{
  background:var(--grad-high);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:16.5px;
  line-height:1.8;
  color:#3B4A45;
  max-width:36em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-micro{
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  margin-top:26px;
  padding-top:22px;
  border-top:1px dashed var(--line);
}
.hero-micro li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  font-weight:500;
}
.hero-micro li::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--teal-2);
  flex-shrink:0;
}
.hero-panel{
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px solid rgba(11,59,54,.08);
  box-shadow:var(--shadow-2);
  padding:26px 26px 22px;
  position:relative;
}
.hero-panel::before{
  content:"";
  position:absolute;
  left:26px;right:26px;top:0;
  height:4px;
  border-radius:0 0 6px 6px;
  background:var(--grad-brand);
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.panel-head h2{
  font-size:17px;
  font-weight:800;
}
.status-pill{
  font-size:12px;
  font-weight:700;
  color:var(--teal);
  background:var(--lime-soft);
  border-radius:999px;
  padding:5px 12px;
  letter-spacing:.02em;
}
.panel-list{margin-top:6px;}
.panel-list li{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
}
.panel-list li:last-child{border-bottom:0;padding-bottom:4px;}
.panel-list .k{font-size:13.5px;color:var(--muted);flex-shrink:0;}
.panel-list .v{font-size:14.5px;font-weight:700;color:var(--ink);text-align:right;}
.panel-note{
  margin-top:16px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--muted);
  background:var(--paper-2);
  border-radius:var(--radius-sm);
  padding:12px 14px;
  border-left:4px solid var(--lime);
}

/* 通用板块 */
.section{padding:88px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--teal-2);
  margin-bottom:12px;
}
.section h2{
  font-size:38px;
  line-height:1.22;
  letter-spacing:-.02em;
}
.section-sub{
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:var(--muted);
  max-width:40em;
}

/* 交替图文 */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
  padding:36px 0;
}
.feature-row + .feature-row{
  margin-top:24px;
  padding-top:56px;
  border-top:1px solid var(--line);
}
.feature-media{
  margin:0;
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  aspect-ratio:16/11;
  background:var(--paper-2);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.feature-media:hover img{transform:scale(1.03);}
.feature-tag{
  position:absolute;
  left:18px;top:18px;
  padding:7px 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  color:var(--ink);
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(6px);
}
.feature-copy h3{
  font-size:27px;
  line-height:1.3;
  margin-bottom:16px;
}
.feature-copy p{
  font-size:16px;
  line-height:1.85;
  color:#3B4A45;
  margin-bottom:12px;
}
.check-list{
  margin:22px 0 26px;
  display:grid;
  gap:12px;
}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  line-height:1.7;
  color:#2E3D39;
}
.check-list li::before{
  content:"";
  flex-shrink:0;
  width:20px;height:20px;
  margin-top:3px;
  border-radius:50%;
  background:var(--lime-soft);
  border:1.5px solid var(--lime);
  background-image:linear-gradient(135deg,var(--teal) 0%,var(--lime) 100%);
  background-size:9px 9px;
  background-position:center;
  background-repeat:no-repeat;
  clip-path:circle(50%);
}
.feature-row.is-reverse .feature-media{order:2;}
.feature-row.is-reverse .feature-copy{order:1;}

/* 能力矩阵 */
.matrix-section{
  background:linear-gradient(180deg,var(--paper-2) 0%,var(--paper) 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.matrix-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:22px;
}
.matrix-card{
  background:#fff;
  border-radius:var(--radius-md);
  border:1px solid rgba(11,59,54,.08);
  box-shadow:var(--shadow-1);
  padding:26px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.matrix-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.matrix-card .icon{
  width:44px;height:44px;
  border-radius:13px;
  background:var(--grad-brand);
  color:#EAF6C9;
  font-size:17px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:4px;
}
.matrix-card h3{font-size:18px;line-height:1.4;}
.matrix-card p{font-size:14.5px;line-height:1.75;color:var(--muted);}
.m-span-3{grid-column:span 3;}
.m-span-2{grid-column:span 2;}
.m-span-4{grid-column:span 4;}
.matrix-card.is-accent{
  background:var(--grad-brand);
  border-color:transparent;
  color:#E9F2EC;
}
.matrix-card.is-accent h3{color:#fff;}
.matrix-card.is-accent p{color:rgba(233,242,236,.82);}
.matrix-card.is-accent .icon{background:rgba(255,255,255,.16);color:#DFF0A8;}

/* 执行步骤 */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:26px 22px 24px;
  background:#fff;
  border-radius:var(--radius-md);
  border:1px solid rgba(11,59,54,.08);
  box-shadow:var(--shadow-1);
}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  font-size:14px;
  font-weight:800;
  color:#fff;
  background:var(--grad-accent);
  margin-bottom:16px;
}
.step h3{font-size:17.5px;margin-bottom:10px;}
.step p{font-size:14.5px;line-height:1.75;color:var(--muted);}

/* FAQ */
.faq-section{background:var(--paper-2);border-top:1px solid var(--line);}
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,340px) minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.faq-aside{position:sticky;top:104px;}
.faq-aside h2{font-size:32px;line-height:1.25;}
.faq-aside p{margin-top:16px;font-size:15px;line-height:1.8;color:var(--muted);}
.faq-aside .text-link{margin-top:22px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid rgba(11,59,54,.09);
  border-radius:16px;
  overflow:hidden;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:62px;
  padding:16px 20px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  border:1.5px solid var(--line);
  background:
    linear-gradient(var(--teal),var(--teal)) center/12px 2px no-repeat,
    linear-gradient(var(--teal),var(--teal)) center/2px 12px no-repeat,
    #fff;
  transition:transform var(--ease),background-color var(--ease);
}
.faq-item[open]{
  background:var(--lime-soft);
  border-color:rgba(184,217,74,.6);
  box-shadow:0 10px 24px rgba(11,59,54,.06);
}
.faq-item[open] summary::after{
  transform:rotate(90deg);
  background:
    linear-gradient(var(--teal),var(--teal)) center/12px 2px no-repeat,
    #fff;
}
.faq-answer{padding:0 20px 20px;}
.faq-answer p{font-size:15px;line-height:1.8;color:#3B4A45;}

/* CTA */
.cta-section{padding:0 0 88px;}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--grad-brand);
  padding:52px 48px;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  gap:36px;
  align-items:center;
  box-shadow:0 22px 60px rgba(11,59,54,.24);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(184,217,74,.28),transparent 68%);
  pointer-events:none;
}
.cta-card h2{color:#fff;font-size:32px;line-height:1.28;}
.cta-card p{margin-top:14px;font-size:15.5px;line-height:1.8;color:rgba(233,242,236,.86);max-width:34em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1;}

/* 页脚 */
.site-footer{
  background:var(--ink);
  color:#DCE9E2;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-brand .brand-mark{
  background:rgba(255,255,255,.12);
  color:#DFF0A8;
  box-shadow:none;
}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:var(--lime);}
.footer-desc{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:rgba(220,233,226,.72);
  max-width:26em;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.1em;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  font-size:14px;
  color:rgba(220,233,226,.76);
  transition:color var(--ease);
}
.footer-col a:hover{color:var(--lime);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:13.5px;
  line-height:1.7;
}
.footer-contact .k{color:rgba(220,233,226,.55);flex-shrink:0;}
.footer-contact .v{color:#EAF3EE;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(220,233,226,.58);
}

/* 响应式 */
@media (max-width:1199px){
  .page-hero h1{font-size:42px;}
  .section h2{font-size:34px;}
  .nav-link{gap:20px;}
  .main-nav{gap:20px;}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:24px 0 52px;}
  .page-hero h1{font-size:38px;max-width:none;}
  .section{padding:72px 0;}
  .feature-row{grid-template-columns:1fr;gap:28px;}
  .feature-row.is-reverse .feature-media{order:1;}
  .feature-row.is-reverse .feature-copy{order:2;}
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
  .m-span-3,.m-span-2,.m-span-4{grid-column:span 1;}
  .matrix-card.is-accent{grid-column:span 2;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .cta-card{grid-template-columns:1fr;padding:40px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .page-hero h1{font-size:34px;}
  .section h2{font-size:29px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .hero-actions .btn{width:100%;}
  .matrix-grid{grid-template-columns:1fr;}
  .matrix-card.is-accent{grid-column:span 1;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-card{padding:34px 22px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .page-hero h1{font-size:31px;}
  .hero-sub{font-size:15.5px;}
  .hero-panel{padding:22px 18px 18px;}
  .panel-list li{flex-direction:column;align-items:flex-start;gap:4px;}
  .panel-list .v{text-align:left;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .feature-copy h3{font-size:22px;}
  .faq-item summary{font-size:15.5px;padding:14px 16px;}
  .faq-answer{padding:0 16px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --deep:#0B3B36;
  --teal:#0F6B5E;
  --teal-2:#168C7A;
  --grass:#B8D94A;
  --orange:#E86A33;
  --orange-2:#F2A33A;
  --paper:#F7F4EC;
  --paper-2:#FBF9F3;
  --white:#FFFFFF;
  --ink:#16211E;
  --muted:#5F6B66;
  --line:#DDE3DA;
  --soft-green:#F1F7E8;
  --grad-brand:linear-gradient(135deg,#0B3B36 0%,#0F6B5E 55%,#168C7A 100%);
  --grad-accent:linear-gradient(135deg,#E86A33 0%,#F2A33A 100%);
  --grad-high:linear-gradient(90deg,#0F6B5E 0%,#B8D94A 100%);
  --radius-lg:26px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(11,59,54,.08);
  --shadow-hover:0 18px 50px rgba(11,59,54,.12);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--teal);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--orange)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(232,106,51,.45);outline-offset:2px;border-radius:8px}

.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.site-header.is-scrolled{
  border-bottom:1px solid rgba(11,59,54,.10);
  box-shadow:0 6px 24px rgba(11,59,54,.08);
  background:rgba(251,249,243,.97);
}
.header-inner{
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:11px;color:var(--deep)}
.brand:hover{color:var(--deep)}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;letter-spacing:0;
  box-shadow:0 8px 18px rgba(11,59,54,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:800;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.14em}
.main-nav{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#2C3A35;
  padding:8px 2px;border-radius:8px;transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad-high);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--deep);background:rgba(184,217,74,.16)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--deep);font-weight:700}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:999px;
  background:var(--grad-accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px rgba(232,106,51,.28);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 14px 30px rgba(232,106,51,.34)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(11,59,54,.16);
  background:#fff;border-radius:12px;padding:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px}

.mobile-overlay{
  position:fixed;inset:0;background:rgba(11,59,54,.55);z-index:80;
  opacity:0;pointer-events:none;transition:opacity var(--ease);
}
.mobile-overlay.is-open{opacity:1;pointer-events:auto}
.mobile-panel{
  position:fixed;top:0;right:0;width:320px;max-width:86vw;height:100%;
  background:var(--paper-2);z-index:90;
  transform:translateX(100%);transition:transform 240ms ease;
  display:flex;flex-direction:column;box-shadow:-18px 0 50px rgba(11,59,54,.22);
  overflow-y:auto;
}
.mobile-panel.is-open{transform:translateX(0)}
.mobile-panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--line);
  font-size:15px;font-weight:700;color:var(--deep);
}
.mobile-panel-head button{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--deep);font-size:22px;line-height:1;cursor:pointer;
}
.mobile-nav{display:flex;flex-direction:column;padding:12px}
.mobile-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  color:#2C3A35;font-size:15px;font-weight:500;
}
.mobile-nav a:hover{background:var(--soft-green);color:var(--deep)}
.mobile-nav a.is-active{background:var(--soft-green);color:var(--deep);font-weight:700}
.mobile-nav .m-cta{
  margin:12px 4px 8px;justify-content:center;background:var(--grad-accent);color:#fff;
  font-weight:600;border-radius:999px;min-height:48px;
}
.mobile-nav .m-cta:hover{color:#fff}

/* ---------- generic ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 15px;border-radius:999px;
  background:rgba(184,217,74,.22);border:1px solid rgba(15,107,94,.16);
  color:var(--teal);font-size:13px;font-weight:600;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
h2.section-title{font-size:38px;line-height:1.2;font-weight:800;letter-spacing:-.02em;color:var(--deep);margin-top:16px}
.section-desc{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.8}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all var(--ease);
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px rgba(232,106,51,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 36px rgba(232,106,51,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(11,59,54,.28);color:var(--deep)}
.btn-ghost:hover{background:var(--soft-green);color:var(--deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--deep);box-shadow:var(--shadow)}
.btn-light:hover{color:var(--deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--deep);font-weight:600;font-size:15px}
.btn-text .arw{transition:transform var(--ease)}
.btn-text:hover{color:var(--orange)}
.btn-text:hover .arw{transform:translateX(4px)}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:22px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#B4BDB6}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb .current{color:var(--deep);font-weight:600}

/* ---------- hero ---------- */
.case-hero{
  position:relative;overflow:hidden;
  padding:34px 0 0;
}
.case-hero::before{
  content:"";position:absolute;right:-160px;top:-140px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,140,122,.18) 0%,rgba(22,140,122,0) 68%);
  pointer-events:none;
}
.case-hero::after{
  content:"";position:absolute;left:-120px;bottom:-120px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,217,74,.22) 0%,rgba(184,217,74,0) 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:center;
  min-height:380px;padding:26px 0 68px;
}
.hero-copy h1{
  font-size:52px;line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--deep);
  margin:18px 0 0;
}
.hero-copy h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(184,217,74,.55) 62%);
  padding:0 4px;border-radius:4px;
}
.hero-copy .lead{
  margin-top:18px;font-size:17px;line-height:1.85;color:#3C4B46;max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.hero-meta i{width:7px;height:7px;border-radius:50%;background:var(--teal-2);display:inline-block}
.hero-panel{
  background:#fff;border-radius:24px;border:1px solid rgba(11,59,54,.08);
  box-shadow:var(--shadow);padding:26px 24px;position:relative;overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-high);
}
.hero-panel h2{font-size:15px;font-weight:700;color:var(--deep);letter-spacing:.02em}
.panel-rows{margin-top:18px;display:flex;flex-direction:column;gap:14px}
.panel-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-row .k{font-size:13px;color:var(--muted)}
.panel-row .v{font-size:14px;font-weight:600;color:var(--deep);text-align:right}
.panel-tip{
  margin-top:18px;background:var(--soft-green);border-radius:14px;padding:12px 14px;
  font-size:13px;line-height:1.7;color:#3C4B46;
}

/* ---------- case wall ---------- */
.wall-wrap{margin-top:8px}
.case-wall{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.case-item{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  min-height:230px;background:var(--deep);border:1px solid rgba(11,59,54,.10);
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
}
.case-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.case-item img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;z-index:0}
.case-item .shade{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(11,59,54,.10) 0%,rgba(11,59,54,.42) 48%,rgba(11,59,54,.88) 100%);
}
.case-body{position:relative;z-index:2;padding:22px;display:flex;flex-direction:column;justify-content:flex-end;height:100%;min-height:230px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(184,217,74,.92);color:#1D3327;
}
.case-body h3{font-size:20px;line-height:1.35;font-weight:700;color:#fff;margin-top:12px}
.case-body p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.82);margin-top:8px;max-width:46ch}
.case-badge{
  position:absolute;z-index:3;top:16px;right:16px;
  background:rgba(255,255,255,.94);border-radius:14px;padding:9px 13px;
  display:flex;flex-direction:column;gap:2px;box-shadow:0 8px 20px rgba(11,59,54,.18);
  backdrop-filter:blur(4px);
}
.case-badge strong{font-size:14px;font-weight:800;color:var(--deep);line-height:1.2}
.case-badge span{font-size:11px;color:var(--muted);line-height:1.3}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.span-3{grid-column:span 3}
.tall{min-height:380px}
.tall .case-body{min-height:380px;padding:26px}
.tall .case-body h3{font-size:24px}
.small .case-body{min-height:200px;padding:18px}
.small .case-body h3{font-size:17px}
.small{min-height:200px}

/* ---------- quote card ---------- */
.quote-card{
  margin-top:34px;background:#fff;border-radius:var(--radius-lg);
  border:1px solid rgba(11,59,54,.08);box-shadow:var(--shadow);
  padding:38px 40px;display:grid;grid-template-columns:1.6fr .9fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.quote-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--grad-high);
}
.quote-card blockquote{
  font-size:22px;line-height:1.6;font-weight:700;color:var(--deep);letter-spacing:-.01em;
}
.quote-card .q-sub{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted)}
.quote-side{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.quote-side .mini{
  display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);
}
.quote-side .mini b{color:var(--deep);font-weight:700}

/* ---------- steps ---------- */
.steps-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{
  background:#fff;border-radius:var(--radius-md);border:1px solid rgba(11,59,54,.08);
  padding:26px 22px;box-shadow:var(--shadow);position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.step-num{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
}
.step-card h3{font-size:17px;font-weight:700;color:var(--deep);margin-top:16px}
.step-card p{font-size:14px;line-height:1.75;color:var(--muted);margin-top:8px}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:104px}
.faq-aside h2{font-size:32px;line-height:1.25;font-weight:800;color:var(--deep);letter-spacing:-.02em;margin-top:14px}
.faq-aside p{font-size:15px;color:var(--muted);margin-top:14px;line-height:1.8}
.faq-aside .btn-text{margin-top:20px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid rgba(11,59,54,.08);border-radius:16px;
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
  overflow:hidden;
}
.faq-item.is-open{background:var(--soft-green);border-color:rgba(15,107,94,.18);box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:58px;padding:16px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--deep);line-height:1.5;
}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:#fff;border:1px solid rgba(11,59,54,.14);
  position:relative;transition:background var(--ease),border-color var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--teal);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:opacity var(--ease),transform var(--ease)}
.faq-item.is-open .faq-icon{background:var(--teal);border-color:var(--teal)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 220ms ease}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:#3C4B46}
.faq-item.is-open .faq-a{grid-template-rows:1fr}

/* ---------- cta ---------- */
.cta-band{padding:0 0 96px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--grad-brand);color:#fff;padding:52px 48px;
  display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
  box-shadow:0 24px 60px rgba(11,59,54,.24);
}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,217,74,.34) 0%,rgba(184,217,74,0) 68%);
}
.cta-card h2{font-size:32px;line-height:1.28;font-weight:800;letter-spacing:-.01em;position:relative;z-index:2}
.cta-card p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.84);max-width:52ch;position:relative;z-index:2}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;position:relative;z-index:2}
.cta-actions .btn{width:100%}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.82);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px}
.footer-brand .brand-mark{background:#fff;color:var(--deep);box-shadow:none}
.footer-brand .brand-text strong{color:#fff;font-size:18px;font-weight:800}
.footer-brand .brand-text em{color:rgba(184,217,74,.9);font-style:normal;font-size:12px;letter-spacing:.14em}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:36ch}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--grass)}
.footer-contact li{display:flex;flex-direction:column;gap:2px;font-size:14px}
.footer-contact .k{color:rgba(255,255,255,.52);font-size:12px;letter-spacing:.06em}
.footer-contact .v{color:#fff}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .grid-container{padding-left:24px;padding-right:24px}
  .main-nav{gap:20px}
  .hero-copy h1{font-size:44px}
}
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:28px;min-height:0;padding-bottom:56px}
  .hero-copy h1{font-size:40px}
  .hero-panel{max-width:560px}
  .case-wall{grid-template-columns:repeat(6,1fr)}
  .span-7,.span-5{grid-column:span 6}
  .span-3{grid-column:span 3}
  .tall{min-height:320px}
  .tall .case-body{min-height:320px}
  .quote-card{grid-template-columns:1fr;gap:24px;padding:32px}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .faq-aside h2{font-size:28px}
  .cta-card{grid-template-columns:1fr;gap:26px;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .cta-band{padding-bottom:72px}
  h2.section-title{font-size:32px}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  .header-inner{height:66px}
  .brand-text strong{font-size:16px}
  .brand-text em{font-size:11px}
  .breadcrumb ol{font-size:12px}
  .hero-copy h1{font-size:34px;line-height:1.24}
  .hero-copy .lead{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-meta{gap:12px 18px}
  .hero-meta span{font-size:13px}
  .section{padding:56px 0}
  h2.section-title{font-size:27px}
  .section-desc{font-size:15px}
  .case-wall{grid-template-columns:1fr;gap:16px}
  .span-7,.span-5,.span-3{grid-column:span 1}
  .tall,.case-item{min-height:260px}
  .tall .case-body,.case-body{min-height:260px;padding:20px}
  .tall .case-body h3{font-size:20px}
  .case-body h3{font-size:18px}
  .case-badge{top:12px;right:12px;padding:7px 11px}
  .quote-card{padding:26px 22px}
  .quote-card blockquote{font-size:18px}
  .steps-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:14px 16px}
  .faq-a p{padding:0 16px 18px;font-size:14.5px}
  .cta-card{padding:32px 22px}
  .cta-card h2{font-size:24px}
  .cta-band{padding-bottom:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 22px}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --deep:#0B3B36;
  --teal:#0F6B5E;
  --teal-2:#168C7A;
  --grass:#B8D94A;
  --orange:#E86A33;
  --orange-2:#F2A33A;
  --paper:#F7F4EC;
  --paper-2:#FBF9F3;
  --white:#FFFFFF;
  --ink:#16211E;
  --muted:#5F6B66;
  --line:#DDE3DA;
  --soft:#F1F7E8;
  --grad-brand:linear-gradient(135deg,#0B3B36 0%,#0F6B5E 55%,#168C7A 100%);
  --grad-accent:linear-gradient(135deg,#E86A33 0%,#F2A33A 100%);
  --grad-high:linear-gradient(90deg,#0F6B5E 0%,#B8D94A 100%);
  --shadow:0 10px 30px rgba(11,59,54,.08);
  --shadow-lg:0 18px 50px rgba(11,59,54,.12);
  --r-lg:26px;
  --r-md:18px;
  --r-sm:12px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--teal);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
button{font-family:inherit;}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--deep);}
p{margin:0 0 18px;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(232,106,51,.45);outline-offset:2px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--deep);color:#fff;padding:12px 20px;z-index:999;}
.skip-link:focus{left:16px;top:12px;color:#fff;}

/* 基础容器 */
.grid-container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.container-narrow{max-width:1000px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,249,243,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px rgba(11,59,54,.07);
  background:rgba(251,249,243,.98);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:76px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;letter-spacing:0;
  box-shadow:0 8px 18px rgba(11,59,54,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--deep);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--teal);letter-spacing:.14em;}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:76px;
  font-size:15px;font-weight:500;color:#2C3A35;
  padding:0 2px;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:20px;height:2px;border-radius:2px;
  background:var(--grad-high);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--teal);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--deep);font-weight:700;background:linear-gradient(180deg,rgba(184,217,74,.18),rgba(184,217,74,0));}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:999px;
  background:var(--grad-accent);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 10px 22px rgba(232,106,51,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,106,51,.34);filter:brightness(1.05);}
.nav-cta:active{transform:translateY(0);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--white);
  align-items:center;justify-content:center;cursor:pointer;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--deep);position:relative;border-radius:2px;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--deep);border-radius:2px;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,59,54,.55);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:200;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;width:320px;max-width:88vw;height:100%;
  background:var(--paper-2);z-index:210;transform:translateX(102%);
  transition:transform .26s cubic-bezier(.4,.1,.2,1);
  display:flex;flex-direction:column;padding:22px 20px 28px;
  box-shadow:-20px 0 50px rgba(11,59,54,.2);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--white);color:var(--deep);font-size:20px;cursor:pointer;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  color:#2C3A35;font-size:15.5px;font-weight:500;
}
.drawer-nav a:hover{background:var(--soft);color:var(--teal);}
.drawer-nav a.is-active{background:var(--soft);color:var(--deep);font-weight:700;}
.drawer-cta{
  margin-top:18px;display:flex;align-items:center;justify-content:center;
  height:50px;border-radius:999px;background:var(--grad-accent);color:#fff;font-weight:600;
}
.drawer-cta:hover{color:#fff;}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{background:var(--paper-2);border-bottom:1px solid var(--line);}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:14px 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--teal);}
.breadcrumb .sep{color:#AEB8AF;}
.breadcrumb .current{color:var(--orange);font-weight:600;}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(22,140,122,.20),rgba(22,140,122,0) 62%),
    radial-gradient(700px 360px at 6% 110%,rgba(184,217,74,.24),rgba(184,217,74,0) 60%),
    var(--paper);
  padding:52px 0 56px;
  min-height:380px;
  display:flex;align-items:center;
}
.page-hero::before{
  content:"";position:absolute;right:-60px;top:-40px;width:420px;height:420px;
  border:1px solid rgba(15,107,94,.16);border-radius:50%;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:520px;height:520px;
  border:1px solid rgba(232,106,51,.12);border-radius:50%;pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.86);border:1px solid rgba(15,107,94,.16);
  font-size:13px;font-weight:600;color:var(--teal);letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(11,59,54,.06);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--grass);box-shadow:0 0 0 3px rgba(184,217,74,.28);}
.page-hero h1{
  margin:20px 0 16px;
  font-size:clamp(30px,3.6vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
  color:var(--deep);max-width:19em;
}
.page-hero h1 .hl{
  background:linear-gradient(180deg,transparent 66%,rgba(184,217,74,.55) 66%);
  padding:0 2px;
}
.hero-lead{font-size:16.5px;line-height:1.8;color:#3C4A45;max-width:34em;margin-bottom:20px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.9);
  border:1px solid var(--line);font-size:13px;color:var(--muted);
}
.meta-chip b{color:var(--deep);font-weight:700;}

.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--white);box-shadow:var(--shadow);
  border:1px solid rgba(11,59,54,.08);
}
.hero-card img{width:100%;height:280px;object-fit:cover;}
.hero-badge{
  position:absolute;left:18px;right:18px;bottom:18px;
  background:rgba(255,255,255,.95);
  border:1px solid rgba(11,59,54,.08);
  border-radius:16px;padding:14px 16px;
  box-shadow:0 12px 28px rgba(11,59,54,.14);
  backdrop-filter:blur(6px);
}
.hero-badge .badge-label{display:block;font-size:12px;letter-spacing:.12em;color:var(--teal-2);margin-bottom:2px;}
.hero-badge strong{display:block;font-size:19px;color:var(--deep);font-weight:800;line-height:1.3;}
.hero-badge ul{display:flex;gap:14px;margin-top:8px;flex-wrap:wrap;}
.hero-badge li{font-size:12.5px;color:var(--muted);position:relative;padding-left:12px;}
.hero-badge li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:var(--grass);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(26px,2.7vw,36px);line-height:1.24;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--muted);margin:0;}
.kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--teal-2);margin-bottom:12px;
}

/* ============ 文档式布局 ============ */
.docs-section{background:var(--paper-2);}
.docs-layout{
  display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px;align-items:start;
}
.docs-toc{
  position:sticky;top:96px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 22px 24px;box-shadow:var(--shadow);
}
.toc-title{
  font-size:13px;letter-spacing:.14em;color:var(--teal-2);font-weight:700;
  margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.toc-list{display:flex;flex-direction:column;gap:2px;margin-bottom:18px;}
.toc-list a{
  display:block;padding:10px 12px;border-radius:10px;font-size:14.5px;color:#33413C;
  border-left:2px solid transparent;line-height:1.5;
}
.toc-list a:hover{background:var(--soft);color:var(--teal);border-left-color:var(--grass);}
.toc-list a span{display:block;font-size:12px;color:#8B978F;letter-spacing:.06em;margin-bottom:1px;}
.toc-hint{
  background:var(--soft);border-radius:14px;padding:14px;font-size:13px;line-height:1.7;color:#41504A;margin-bottom:16px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 12px 26px rgba(232,106,51,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(232,106,51,.32);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--teal);color:var(--deep);}
.btn-ghost:hover{background:var(--soft);color:var(--deep);border-color:var(--teal-2);}
.btn-block{width:100%;}

.docs-body{min-width:0;}
.doc-group{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 32px;margin-bottom:24px;box-shadow:var(--shadow);
}
.doc-group h2{
  font-size:24px;line-height:1.32;margin-bottom:6px;
  display:flex;align-items:flex-start;gap:12px;
}
.doc-group h2 .num{
  flex:0 0 auto;width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}
.doc-group .group-sub{font-size:13.5px;color:var(--teal-2);margin:0 0 16px 46px;letter-spacing:.02em;}
.doc-group h3{
  font-size:17.5px;line-height:1.5;margin:22px 0 10px;font-weight:700;color:var(--deep);
  padding-left:12px;border-left:4px solid transparent;
  border-image:linear-gradient(180deg,#0F6B5E,#B8D94A) 1;
}
.doc-group p{font-size:15.5px;line-height:1.85;color:#3C4A45;margin-bottom:14px;max-width:44em;}
.doc-group p:last-child{margin-bottom:0;}
.check-list{display:flex;flex-direction:column;gap:10px;margin:14px 0 4px;}
.check-list li{
  position:relative;padding-left:28px;font-size:15px;line-height:1.75;color:#3C4A45;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;
  background:rgba(184,217,74,.32);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:11px;width:6px;height:3px;
  border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(-45deg);
}
.note-inline{
  display:flex;gap:12px;background:var(--paper);border:1px dashed #CBD5C8;border-radius:14px;
  padding:14px 16px;font-size:14px;line-height:1.75;color:#4A5852;margin:16px 0 0;
}
.note-inline .tag{
  flex:0 0 auto;height:22px;padding:0 10px;border-radius:999px;background:var(--deep);color:#fff;
  font-size:11.5px;font-weight:600;line-height:22px;letter-spacing:.06em;
}
.rule-table-wrap{overflow-x:auto;margin:12px 0 4px;-webkit-overflow-scrolling:touch;}
.rule-table{width:100%;border-collapse:collapse;min-width:520px;font-size:14.5px;}
.rule-table th,.rule-table td{
  text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;
}
.rule-table th{background:var(--soft);color:var(--deep);font-weight:700;font-size:13.5px;letter-spacing:.02em;}
.rule-table td{color:#3C4A45;line-height:1.7;}
.rule-table tr:last-child td{border-bottom:0;}

/* ============ FAQ ============ */
.faq-block{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 32px;margin-bottom:24px;box-shadow:var(--shadow);
}
.faq-block h2{font-size:24px;line-height:1.32;margin-bottom:6px;}
.faq-block .faq-sub{font-size:14px;color:var(--muted);margin-bottom:20px;}
.faq-item{
  border:1px solid var(--line);border-radius:16px;background:var(--white);
  margin-bottom:10px;overflow:hidden;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item:last-child{margin-bottom:0;}
.faq-item.is-open{background:var(--soft);border-color:rgba(15,107,94,.18);box-shadow:0 8px 22px rgba(11,59,54,.06);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 18px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16.5px;font-weight:600;color:var(--deep);line-height:1.55;
}
.faq-q:hover{color:var(--teal);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:#EDF3E4;
  position:relative;transition:background .2s ease,transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--teal);border-radius:2px;
  transform:translate(-50%,-50%);transition:opacity .2s ease,transform .2s ease;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item.is-open .faq-icon{background:var(--grass);}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-a p{font-size:15px;line-height:1.85;color:#41504A;padding:0 18px 18px;margin:0;max-width:46em;}

/* ============ 联系卡 ============ */
.contact-card{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--white);
}
.contact-info{
  background:var(--grad-brand);color:#fff;padding:34px 30px;
  position:relative;overflow:hidden;
}
.contact-info::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:240px;height:240px;
  border-radius:50%;border:1px solid rgba(255,255,255,.18);
}
.contact-info h3{color:#fff;font-size:22px;line-height:1.35;margin-bottom:10px;}
.contact-info p{color:rgba(255,255,255,.82);font-size:14.5px;line-height:1.8;margin-bottom:20px;}
.contact-list{display:flex;flex-direction:column;gap:14px;position:relative;z-index:2;}
.contact-list li{display:flex;flex-direction:column;gap:2px;}
.contact-list .k{font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.62);}
.contact-list .v{font-size:16px;font-weight:600;color:#fff;}
.contact-list .v.accent{color:var(--grass);}
.contact-form{padding:32px 30px;}
.form-title{font-size:18px;font-weight:800;color:var(--deep);margin-bottom:6px;}
.form-desc{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:#2F3D38;margin-bottom:6px;}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--paper-2);color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 3px rgba(184,217,74,.35);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA69E;}
.form-agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.6;margin:6px 0 18px;}
.form-agree input{width:16px;height:16px;margin-top:2px;accent-color:var(--teal);flex:0 0 auto;}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-lg);
  padding:44px 40px;color:#fff;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-100px;top:-120px;width:340px;height:340px;
  border-radius:50%;border:1px solid rgba(184,217,74,.28);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin:0;max-width:42em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
.btn-light{background:#fff;color:var(--deep);}
.btn-light:hover{background:var(--grass);color:var(--deep);transform:translateY(-2px);}
.btn-line{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-line:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:#DCE7DD;padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;color:#fff;}
.footer-brand .brand-text strong{color:#fff;font-size:17px;}
.footer-brand .brand-text em{color:var(--grass);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(220,231,221,.72);max-width:34em;margin:0;}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(220,231,221,.75);}
.footer-col a:hover{color:var(--grass);}
.footer-contact li{display:flex;flex-direction:column;gap:2px;}
.footer-contact .k{font-size:12px;letter-spacing:.1em;color:rgba(220,231,221,.5);}
.footer-contact .v{font-size:14.5px;color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(220,231,221,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .hero-grid{gap:36px;}
  .docs-layout{gap:28px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{height:68px;}
  .page-hero{padding:40px 0 44px;min-height:auto;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-card img{height:240px;}
  .docs-layout{grid-template-columns:1fr;}
  .docs-toc{position:static;top:auto;}
  .toc-list{display:grid;grid-template-columns:1fr 1fr;gap:6px;}
  .contact-card{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
  .doc-group,.faq-block{padding:24px 22px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .page-hero h1{font-size:clamp(26px,6.4vw,34px);}
  .hero-lead{font-size:15.5px;}
  .cta-band{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .doc-group h2{font-size:20px;}
  .doc-group .group-sub{margin-left:0;}
  .site-footer{margin-top:56px;}
}
@media (max-width:519px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .toc-list{grid-template-columns:1fr;}
  .doc-group,.faq-block{padding:20px 16px;border-radius:20px;}
  .contact-info,.contact-form{padding:24px 18px;}
  .hero-badge{left:12px;right:12px;bottom:12px;padding:12px 14px;}
  .btn{width:100%;}
  .btn-inline{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
}