/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-dark:#171325;
  --c-dark-2:#221B38;
  --c-brand:#0B7A5C;
  --c-brand-hover:#096348;
  --c-brand-line:#12A67F;
  --c-brand-soft:#E2F4EE;
  --c-accent:#FF7A45;
  --c-ink:#171325;
  --c-marker:#D6E95C;
  --c-bg:#F7F6F3;
  --c-bg-soft:#EFEDE8;
  --c-card:#FFFFFF;
  --c-line:#E4E1DA;
  --c-text:#1A1723;
  --c-muted:#6B6776;
  --shadow-1:0 1px 2px rgba(23,19,37,.06);
  --shadow-2:0 14px 34px -14px rgba(23,19,37,.22);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --nav-h:72px;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.88;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
::selection{background:var(--c-brand-soft);color:var(--c-brand)}
:focus-visible{outline:2px solid var(--c-brand-line);outline-offset:2px}
[id]{scroll-margin-top:92px}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--soft{background:var(--c-bg-soft)}
.section--dark{background:linear-gradient(160deg,var(--c-dark),var(--c-dark-2))}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:44px}
.sec-title{display:flex;gap:16px;align-items:flex-start;min-width:0}
.sec-bar{flex:0 0 4px;width:4px;height:20px;border-radius:2px;background:var(--c-brand-line);margin-top:9px}
.sec-num{display:block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--c-brand-line);font-variant-numeric:tabular-nums;margin-bottom:6px}
.sec-title h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--c-text)}
.sec-title .sec-sub{font-size:15px;color:var(--c-muted);margin:8px 0 0;max-width:560px;line-height:1.7}
.section--dark .sec-title h2{color:#fff}
.section--dark .sec-title .sec-sub{color:rgba(255,255,255,.66)}
.link-more{font-size:14.5px;font-weight:600;color:var(--c-brand);border-bottom:1px solid transparent;white-space:nowrap;padding-bottom:2px}
.link-more:hover{border-bottom-color:var(--c-brand-line)}
.section--dark .link-more{color:var(--c-brand-line)}

/* ============ 按钮 / 徽章 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-hover)}
.btn-accent{background:var(--c-accent);color:var(--c-ink)}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-brand-line);color:var(--c-brand)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.7)}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn-block{width:100%}
.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;box-shadow:none}

.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1}
.badge-brand{background:var(--c-brand-soft);color:var(--c-brand)}
.badge-accent{background:var(--c-accent);color:var(--c-ink)}
.badge-glass{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff}
.badge-outline{border:1px solid var(--c-line);color:var(--c-muted)}

.tag{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;height:var(--nav-h);
  background:linear-gradient(180deg,rgba(23,19,37,.55),rgba(23,19,37,.28));
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:height .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{height:64px;background:rgba(23,19,37,.94);box-shadow:0 12px 30px -14px rgba(0,0,0,.65)}
.nav-inner{display:flex;align-items:center;gap:24px;height:100%}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{display:flex;align-items:center;justify-content:center;width:24px;height:24px;color:var(--c-brand-line)}
.logo-mark svg{width:24px;height:24px;display:block}
.logo-text{font-size:17px;font-weight:700;color:#fff;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;min-width:0}
.nav-links a{
  position:relative;padding:8px 12px;border-radius:8px;font-size:14.8px;font-weight:500;
  color:rgba(255,255,255,.82);white-space:nowrap;transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-brand-line);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{display:flex;align-items:center;width:0;opacity:0;overflow:hidden;transition:width .2s ease,opacity .2s ease}
.nav-search.is-open{width:196px;opacity:1}
.nav-search input{
  width:100%;height:38px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);
  color:#fff;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:rgba(255,255,255,.6)}
.nav-search input:focus{border-color:var(--c-brand-line);background:rgba(255,255,255,.18)}
.icon-btn{
  display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;
  color:rgba(255,255,255,.86);transition:background-color .18s ease,color .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.12);color:#fff}
.icon-btn svg{width:19px;height:19px;display:block}
.nav-toggle{display:none}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;
  background:rgba(23,19,37,.96);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:24px 24px calc(24px + env(safe-area-inset-bottom,0px));
  transform:translateX(100%);opacity:0;visibility:hidden;
  transition:transform .26s ease,opacity .26s ease,visibility .26s ease;
}
.mobile-drawer.is-open{transform:translateX(0);opacity:1;visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:44px;margin-bottom:24px}
.drawer-top .logo-text{font-size:16px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto}
.drawer-nav a{
  display:block;padding:14px 4px;font-size:18px;line-height:1.5;font-weight:500;
  color:rgba(255,255,255,.88);border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-nav a.is-active{color:var(--c-brand-line);font-weight:600}
.drawer-foot{margin-top:24px}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding-top:var(--nav-h);
  background:linear-gradient(155deg,var(--c-dark) 0%,var(--c-dark-2) 62%,#1c1631 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero::after{
  content:"";position:absolute;right:-180px;bottom:-220px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,166,127,.34),transparent 64%);pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  min-height:min(88vh,760px);padding:72px 0 88px;
}
.hero-copy{max-width:600px}
.hero h1{
  font-size:clamp(32px,5vw,52px);line-height:1.2;font-weight:800;color:#fff;
  margin:22px 0 22px;
}
.hero-sub{
  font-size:17.5px;line-height:1.8;color:rgba(255,255,255,.76);max-width:520px;margin-bottom:32px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.74)}
.hero-points i{width:6px;height:6px;border-radius:50%;background:var(--c-brand-line);flex:0 0 6px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.7);
}
.float-card{
  position:absolute;padding:14px 18px;border-radius:14px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  color:#fff;box-shadow:0 18px 40px -22px rgba(0,0,0,.7);
}
.float-card strong{display:block;font-size:22px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.float-card span{display:block;font-size:12.5px;color:rgba(255,255,255,.72);margin-top:2px}
.fc-1{left:-18px;top:14%;}
.fc-2{right:-12px;bottom:12%;}
.fc-2 strong{color:var(--c-marker)}

/* ============ Bento 卖点 ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.bcard{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;
}
.bcard:hover{transform:translateY(-4px);border-color:rgba(18,166,127,.45);box-shadow:var(--shadow-2)}
.b-lg{grid-column:span 7}
.b-md{grid-column:span 5}
.b-half{grid-column:span 6}
.b-wide{grid-column:span 12;flex-direction:row;align-items:center;gap:28px}
.bcard h3{font-size:20px;line-height:1.4;font-weight:600;margin:18px 0 10px}
.bcard p{font-size:15.5px;line-height:1.8;color:var(--c-muted);margin-bottom:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.bcard .b-link{margin-top:18px;font-size:14.5px;font-weight:600;color:var(--c-brand)}
.bcard .b-link:hover{text-decoration:underline;text-underline-offset:4px}
.b-ico{
  display:flex;align-items:center;justify-content:center;width:24px;height:24px;color:var(--c-brand-line);
}
.b-ico svg{width:24px;height:24px;display:block}
.b-wide .b-ico{flex:0 0 24px}
.b-wide .b-wide-body{flex:1 1 auto;min-width:0}
.b-wide h3{margin-top:0}
.b-wide .b-wide-metric{
  flex:0 0 auto;font-size:36px;font-weight:800;line-height:1;color:var(--c-brand-line);
  font-variant-numeric:tabular-nums;
}

/* ============ 演示 ============ */
.demo-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:start}
.browser-frame{
  border-radius:14px;overflow:hidden;background:var(--c-card);
  border:1px solid var(--c-line);box-shadow:var(--shadow-2);
}
.browser-bar{display:flex;align-items:center;gap:7px;height:40px;padding:0 16px;background:var(--c-bg-soft);border-bottom:1px solid var(--c-line)}
.browser-bar span{width:10px;height:10px;border-radius:50%;background:var(--c-line)}
.browser-bar span:first-child{background:#FF7A45}
.browser-bar span:nth-child(2){background:#D6E95C}
.browser-bar span:nth-child(3){background:var(--c-brand-line)}
.browser-frame img{width:100%;aspect-ratio:16/9;object-fit:cover}
.step-list{display:flex;flex-direction:column;gap:4px;margin-bottom:26px}
.step-item{
  display:flex;gap:16px;padding:16px 18px;border-radius:12px;cursor:pointer;
  border-left:3px solid transparent;transition:background-color .18s ease,border-color .18s ease;
}
.step-item:hover{background:var(--c-bg-soft)}
.step-item.is-active{background:var(--c-brand-soft);border-left-color:var(--c-brand-line)}
.step-no{
  flex:0 0 34px;font-size:14px;font-weight:700;color:var(--c-brand);
  font-variant-numeric:tabular-nums;line-height:1.6;
}
.step-item h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:4px}
.step-item p{font-size:14.5px;color:var(--c-muted);line-height:1.7;margin:0}
.demo-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.demo-note{font-size:14px;color:var(--c-muted)}

/* ============ 数据与评价 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-bottom:56px;border-bottom:1px solid var(--c-line)}
.stat-num{font-size:36px;font-weight:800;line-height:1.1;color:var(--c-brand);font-variant-numeric:tabular-nums}
.stat-num.is-accent{color:var(--c-accent)}
.stat-label{font-size:14px;color:var(--c-muted);margin-top:10px;line-height:1.6}
.review-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.review-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);min-width:0;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.review-card:hover{transform:translateY(-4px);border-color:rgba(18,166,127,.45);box-shadow:var(--shadow-2)}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:linear-gradient(140deg,var(--c-brand-line),var(--c-brand));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;
}
.review-name{font-size:15px;font-weight:600;line-height:1.4}
.review-meta{font-size:13px;color:var(--c-muted);line-height:1.5}
.review-text{font-size:15px;color:var(--c-text);line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.partner-row{display:flex;flex-wrap:wrap;gap:16px 34px;margin-top:52px;opacity:.5;filter:grayscale(1)}
.partner-row span{font-size:14.5px;font-weight:600;color:var(--c-muted);letter-spacing:.04em}

/* ============ 最新信息 CMS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(18,166,127,.45);box-shadow:var(--shadow-2)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,var(--c-brand-soft),var(--c-bg-soft))}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-cat{position:absolute;left:12px;top:12px}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a:hover{color:var(--c-brand)}
.news-body p{font-size:14.5px;color:var(--c-muted);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px solid var(--c-line);font-size:13.5px;color:var(--c-muted)}
.news-foot a{font-weight:600;color:var(--c-brand)}
.news-foot a:hover{text-decoration:underline;text-underline-offset:3px}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed var(--c-line);
  border-radius:var(--r-card);background:var(--c-card);
}
.empty-state .empty-ico{
  width:48px;height:48px;margin:0 auto 16px;border-radius:50%;background:var(--c-brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--c-brand);
}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:14px}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  position:relative;display:flex;flex-direction:column;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,166,127,.45)}
.price-card.is-featured{transform:scale(1.03);border:2px solid var(--c-brand-line);box-shadow:var(--shadow-2)}
.price-card.is-featured:hover{transform:scale(1.03) translateY(-4px)}
.price-flag{position:absolute;top:-13px;left:26px}
.price-name{font-size:17px;font-weight:700;margin-bottom:6px}
.price-desc{font-size:14px;color:var(--c-muted);line-height:1.6;margin-bottom:20px}
.price-num{display:flex;align-items:baseline;gap:6px;font-variant-numeric:tabular-nums;margin-bottom:24px}
.price-num strong{font-size:42px;font-weight:800;line-height:1;color:var(--c-ink)}
.is-featured .price-num strong{color:var(--c-accent)}
.price-num span{font-size:14px;color:var(--c-muted)}
.price-feats{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;flex:1 1 auto}
.price-feats li{display:flex;gap:10px;font-size:14.5px;line-height:1.6;align-items:flex-start}
.price-feats li i{flex:0 0 18px;width:18px;height:18px;margin-top:3px;border-radius:50%;
  background:var(--c-brand-soft);display:flex;align-items:center;justify-content:center;color:var(--c-brand)}
.price-feats li i svg{width:11px;height:11px;display:block}
.price-feats li.is-off{color:var(--c-muted)}
.price-feats li.is-off i{background:var(--c-bg-soft);color:#B4B0BB}
.price-note{font-size:13.5px;color:var(--c-muted);margin-top:28px;text-align:center}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start}
.faq-side h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:16px}
.faq-side p{font-size:15.5px;color:var(--c-muted);line-height:1.8}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:border-color .18s ease}
.faq-item[open]{border-color:rgba(18,166,127,.45)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:600;line-height:1.6;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-brand)}
.faq-arrow{flex:0 0 18px;width:18px;height:18px;color:var(--c-brand-line);transition:transform .22s ease}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:0 24px 22px;font-size:15.5px;line-height:1.88;color:var(--c-muted)}

/* ============ CTA / 表单 ============ */
.cta-wrap{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,var(--c-dark),var(--c-dark-2));
  padding:88px 0;
}
.cta-wrap::before{
  content:"";position:absolute;left:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,166,127,.3),transparent 66%);pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-copy h2{font-size:clamp(26px,3vw,36px);line-height:1.3;color:#fff;margin-bottom:18px}
.cta-copy p{font-size:16px;color:rgba(255,255,255,.72);line-height:1.85;max-width:460px}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(255,255,255,.8)}
.cta-points li i{flex:0 0 6px;width:6px;height:6px;margin-top:11px;border-radius:50%;background:var(--c-marker)}
.form-card{
  background:var(--c-card);border-radius:var(--r-card);padding:30px;box-shadow:var(--shadow-2);
}
.form-card h3{font-size:19px;font-weight:700;margin-bottom:6px}
.form-card>p{font-size:14px;color:var(--c-muted);line-height:1.7;margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--c-line);border-radius:10px;
  background:#fff;font-size:15px;line-height:1.5;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-brand-line);box-shadow:0 0 0 3px rgba(18,166,127,.14);
}
.field.has-error input,.field.has-error select{border-color:#D94A3D;box-shadow:0 0 0 3px rgba(217,74,61,.12)}
.field .err{display:none;font-size:13px;color:#D94A3D;margin-top:6px}
.field.has-error .err{display:block}
.form-msg{display:none;margin-top:16px;padding:12px 16px;border-radius:10px;font-size:14.5px;line-height:1.6}
.form-msg.is-success{display:block;background:var(--c-brand-soft);color:var(--c-brand)}
.form-tip{font-size:13px;color:var(--c-muted);margin-top:14px;line-height:1.6}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);margin:18px 0 0;max-width:300px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--c-brand-line)}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.68);line-height:1.7}
.footer-contact li b{flex:0 0 auto;font-weight:600;color:rgba(255,255,255,.86)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom .fb-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--c-brand-line)}

/* ============ 浮动元素 ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 24px;border-radius:999px;
  background:var(--c-accent);color:var(--c-ink);font-size:15px;font-weight:700;
  box-shadow:0 16px 34px -14px rgba(255,122,69,.75);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,padding .24s ease,height .24s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{transform:translateY(-2px)}
.float-cta.is-mini{height:40px;padding:0 14px;font-size:13px}
.float-cta.is-mini .float-cta-text{display:none}

.to-top{
  position:fixed;right:28px;bottom:92px;z-index:79;
  display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);color:var(--c-text);box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,border-color .18s ease,color .18s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--c-brand-line);color:var(--c-brand)}
.to-top svg{width:18px;height:18px}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:56px 0 72px;min-height:auto}
  .hero-copy{max-width:100%}
  .b-lg,.b-md{grid-column:span 6}
  .b-lg{grid-column:span 12}
  .b-half{grid-column:span 12}
  .b-wide{flex-direction:column;align-items:flex-start;gap:16px}
  .demo-grid{grid-template-columns:1fr;gap:36px}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .price-grid{grid-template-columns:1fr}
  .price-card.is-featured{transform:none}
  .price-card.is-featured:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:30px}
  .review-row{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{padding-bottom:76px;font-size:16px}
  .section{padding:56px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .sec-title .sec-sub{max-width:100%}
  .hero-visual img{aspect-ratio:16/11}
  .fc-1{left:-6px;top:8%}
  .fc-2{right:-6px;bottom:8%}
  .b-lg,.b-md,.b-half,.b-wide{grid-column:span 12}
  .b-wide .b-wide-metric{font-size:30px}
  .news-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:24px;padding-bottom:44px}
  .stat-num{font-size:30px}
  .review-row{display:flex;overflow-x:auto;gap:16px;margin-top:40px;padding-bottom:10px;scroll-snap-type:x mandatory}
  .review-card{flex:0 0 82%;scroll-snap-align:start}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-cta{
    left:0;right:0;bottom:0;height:60px;border-radius:0;padding:0 20px;
    justify-content:space-between;
    box-shadow:0 -10px 26px -16px rgba(0,0,0,.4);
    transform:translateY(100%);opacity:0;
    padding-bottom:env(safe-area-inset-bottom,0px);
  }
  .float-cta.is-visible{transform:translateY(0);opacity:1}
  .float-cta.is-mini{height:60px;padding:0 20px;font-size:15px}
  .float-cta.is-mini .float-cta-text{display:inline}
  .to-top{right:16px;bottom:76px}
  .cta-wrap{padding:64px 0}
  .form-card{padding:24px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-points{gap:10px 18px}
  .bcard{padding:22px}
  .footer-bottom{font-size:13px}
}

/* roulang page: article */
:root{
  --c-dark:#171325;
  --c-dark-2:#221B38;
  --c-brand:#0B7A5C;
  --c-brand-hover:#096348;
  --c-brand-line:#12A67F;
  --c-brand-soft:#E2F4EE;
  --c-accent:#FF7A45;
  --c-ink:#171325;
  --c-marker:#D6E95C;
  --c-bg:#F7F6F3;
  --c-bg-soft:#EFEDE8;
  --c-card:#FFFFFF;
  --c-line:#E4E1DA;
  --c-text:#1A1723;
  --c-muted:#6B6776;
  --shadow-1:0 1px 2px rgba(23,19,37,.06);
  --shadow-2:0 14px 34px -14px rgba(23,19,37,.22);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --section:96px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.88;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s,border-color .18s}
a:hover{color:var(--c-brand)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-brand-line);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1280px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ 阅读进度条 ============ */
#readProgress{position:fixed;top:0;left:0;height:3px;width:0;z-index:95;background:linear-gradient(90deg,var(--c-brand-line),var(--c-accent));transition:width .12s linear}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;height:var(--nav-h);
  background:linear-gradient(180deg,rgba(23,19,37,.55),rgba(23,19,37,.28));
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:height .22s ease,background .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{height:64px;background:rgba(23,19,37,.94);box-shadow:0 12px 30px -18px rgba(0,0,0,.75)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;letter-spacing:.01em}
.logo:hover{color:#fff}
.logo-mark{width:24px;height:24px;flex:none;display:block}
.logo-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{position:relative;color:rgba(255,255,255,.86);font-size:15px;font-weight:500;padding:6px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;border-radius:2px;background:var(--c-brand-line);transition:right .22s ease}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.is-active::after{right:0}
.nav-links a.is-active{color:#fff;font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 10px;border-radius:999px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);transition:width .2s ease,border-color .2s ease,background .2s ease}
.nav-search input{width:0;min-width:0;padding:0;border:0;background:transparent;color:#fff;font-size:14px;outline:none;transition:width .2s ease}
.nav-search input::placeholder{color:rgba(255,255,255,.6)}
.nav-search.is-open{border-color:rgba(18,166,127,.65);background:rgba(255,255,255,.14)}
.nav-search.is-open input{width:160px}
.nav-search svg{width:18px;height:18px;flex:none;color:#fff;opacity:.9}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 8px;border-radius:999px;color:#fff}
.icon-btn:hover{background:rgba(255,255,255,.12);color:#fff}
.burger{display:none;width:42px;height:42px;border-radius:10px;color:#fff;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.22)}
.burger:hover{background:rgba(255,255,255,.12)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease,filter .18s ease;white-space:nowrap}
.btn-brand{background:var(--c-brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-brand:hover{background:var(--c-brand-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-brand:active{transform:translateY(0)}
.btn-accent{background:var(--c-accent);color:var(--c-ink)}
.btn-accent:hover{color:var(--c-ink);filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-text);box-shadow:var(--shadow-1)}
.btn-outline:hover{border-color:rgba(18,166,127,.45);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.06em;background:var(--c-brand-soft);color:#0A5C46;line-height:1}
.badge-accent{background:rgba(255,122,69,.16);color:#B3491C}
.badge-ghost{background:rgba(255,255,255,.14);color:#fff}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-card);font-size:13px;color:var(--c-muted)}
.tag:hover{border-color:rgba(18,166,127,.45);color:var(--c-brand)}

/* ============ 文章头部 ============ */
.article-hero{position:relative;overflow:hidden;padding:calc(var(--nav-h) + 54px) 0 64px;background:linear-gradient(150deg,var(--c-dark) 0%,var(--c-dark-2) 100%);color:#fff}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,166,127,.42),transparent 68%);pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.66)}
.crumbs a{color:rgba(255,255,255,.78)}
.crumbs a:hover{color:#fff}
.crumbs .sep{color:rgba(255,255,255,.38)}
.crumbs .now{color:rgba(255,255,255,.9);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{margin:22px 0 18px;font-size:clamp(28px,4vw,46px);line-height:1.24;font-weight:800;letter-spacing:0;max-width:900px}
.article-lead{max-width:720px;font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.78)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.72)}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.34)}
.cover-wrap{position:relative;margin-top:40px;border-radius:var(--radius-card);overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 60px -34px rgba(0,0,0,.7);background:linear-gradient(135deg,#1d2b45,var(--c-brand-soft));aspect-ratio:16/9}
.cover-wrap img{width:100%;height:100%;object-fit:cover}
.cover-wrap figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 22px 14px;font-size:13px;color:rgba(255,255,255,.82);background:linear-gradient(180deg,rgba(23,19,37,0),rgba(23,19,37,.82))}

/* ============ 正文区 ============ */
.article-main{padding:64px 0 24px}
.article-layout{display:grid;grid-template-columns:minmax(0,780px);justify-content:center;gap:48px;align-items:start}
.article-layout.has-toc{grid-template-columns:minmax(0,780px) 262px}
.article-body{font-size:17px;line-height:1.9;color:var(--c-text);word-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.25em}
.article-body h2{position:relative;margin:2.4em 0 1em;padding-left:16px;font-size:clamp(21px,2.4vw,28px);line-height:1.36;font-weight:700}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--c-brand-line)}
.article-body h3{margin:2em 0 .8em;font-size:20px;line-height:1.45;font-weight:600}
.article-body h4{margin:1.6em 0 .6em;font-size:17px;font-weight:600;color:var(--c-brand)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
.article-body ul li{position:relative;margin:.45em 0;padding-left:.1em}
.article-body ul li::before{content:"";position:absolute;left:-1.05em;top:.78em;width:7px;height:7px;border-radius:50%;background:var(--c-brand-line)}
.article-body ol{list-style:decimal}
.article-body ol li{margin:.45em 0}
.article-body strong{font-weight:700;color:#0d3d2e}
.article-body a{color:var(--c-brand);border-bottom:1px solid rgba(18,166,127,.45)}
.article-body a:hover{color:var(--c-brand-hover);border-color:var(--c-brand-hover)}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--c-brand-soft);border-left:3px solid var(--c-brand);border-radius:0 10px 10px 0;color:#1d4b3d}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:1.7em 0;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.7em 0}
.article-body figure img{margin:0}
.article-body figcaption{margin-top:10px;font-size:13px;line-height:1.6;color:var(--c-muted);text-align:center}
.article-body .table-wrap{overflow-x:auto;margin:1.7em 0;border:1px solid var(--c-line);border-radius:var(--radius-card);background:var(--c-card)}
.article-body table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px}
.article-body th{background:var(--c-bg-soft);text-align:left;font-weight:600;padding:13px 16px;border-bottom:1px solid var(--c-line);white-space:nowrap}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line);vertical-align:top}
.article-body tbody tr:nth-child(even){background:#FBFAF8}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{margin:2.4em 0;border:0;height:1px;background:var(--c-line)}

/* 侧栏 */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.toc-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1)}
.toc-card h4{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--c-muted);margin-bottom:12px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow:auto}
.toc-list a{display:block;padding:6px 10px;border-left:2px solid transparent;font-size:13.5px;line-height:1.6;color:var(--c-muted);border-radius:0 8px 8px 0}
.toc-list a:hover{background:var(--c-bg-soft);color:var(--c-text)}
.toc-list a.is-current{border-left-color:var(--c-brand-line);color:var(--c-brand);font-weight:600;background:var(--c-brand-soft)}
.toc-list a.lv3{padding-left:22px;font-size:13px}
.aside-cta{background:linear-gradient(160deg,var(--c-dark),var(--c-dark-2));border-radius:var(--radius-card);padding:22px;color:#fff;border:1px solid rgba(255,255,255,.08)}
.aside-cta h4{font-size:16px;font-weight:700;margin-bottom:8px}
.aside-cta p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.72);margin-bottom:16px}
.aside-cta .btn{width:100%}

/* 分享与返回 */
.article-foot{margin-top:40px}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding-top:26px;border-top:1px solid var(--c-line)}
.share-row span{font-size:13.5px;color:var(--c-muted);margin-right:4px}
.share-btn{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-card);font-size:13.5px;color:var(--c-muted)}
.share-btn:hover{border-color:rgba(18,166,127,.45);color:var(--c-brand);transform:translateY(-1px)}
.back-row{margin-top:34px}

/* 空态 */
.empty-state{margin:0 auto;max-width:640px;text-align:center;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);padding:56px 32px;box-shadow:var(--shadow-1)}
.empty-state .empty-icon{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:var(--c-brand-soft);color:var(--c-brand)}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--c-muted);margin-bottom:24px}

/* ============ 分区标题 ============ */
.section{padding:var(--section) 0}
.section.alt{background:var(--c-bg-soft)}
.section-head{max-width:780px;margin-bottom:40px}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--c-brand)}
.section-label::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-brand-line)}
.section-head h2{margin:14px 0 12px;font-size:clamp(24px,3vw,34px);line-height:1.32;font-weight:700}
.section-head p{color:var(--c-muted);font-size:16px;line-height:1.85;max-width:660px}
.section-head.center{max-width:720px;margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .section-label{justify-content:center}

/* ============ 相关推荐卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.post-card:hover{transform:translateY(-4px);border-color:rgba(18,166,127,.45);box-shadow:var(--shadow-2)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--c-brand-soft),var(--c-bg-soft))}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:#0A5C46}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:14px;line-height:1.75;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);padding-top:6px}
.post-foot .more{color:var(--c-brand);font-weight:600}
.post-foot .more:hover{text-decoration:underline}

/* ============ CTA 通栏 ============ */
.cta-band{background:linear-gradient(150deg,var(--c-dark),var(--c-dark-2));color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-120px;top:-160px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,69,.26),transparent 70%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:78px 0}
.cta-inner h2{font-size:clamp(24px,3vw,34px);line-height:1.32;margin-bottom:16px}
.cta-inner .cta-desc{color:rgba(255,255,255,.76);font-size:16px;line-height:1.9;max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-points li{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:10px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);font-size:13.5px;color:rgba(255,255,255,.86)}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-marker)}
.cta-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:28px}
.cta-panel h3{font-size:18px;margin-bottom:8px}
.cta-panel p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:20px}
.cta-panel .btn{width:100%}
.cta-panel .btn+.btn{margin-top:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 26px;position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:rgba(255,255,255,.1)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{display:inline-block;color:#fff;font-size:19px;font-weight:800;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;max-width:320px;color:rgba(255,255,255,.62)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:#fff;border-bottom:1px solid var(--c-brand-line)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8}
.footer-contact b{display:block;color:#fff;font-weight:600;font-size:13px;margin-bottom:2px}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.54)}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a{color:rgba(255,255,255,.62)}
.fb-links a:hover{color:#fff}

/* ============ 浮动 CTA / 回到顶部 ============ */
.float-cta{position:fixed;right:28px;bottom:28px;z-index:80;display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 22px;border-radius:999px;background:var(--c-accent);color:var(--c-ink);font-weight:700;font-size:15px;box-shadow:0 18px 34px -16px rgba(23,19,37,.6);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s ease,transform .25s ease,visibility .25s,padding .25s ease,height .25s ease}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:var(--c-ink);filter:brightness(.94);transform:translateY(-2px)}
.float-cta.is-mini{height:40px;padding:0 16px;font-size:13.5px;opacity:.92}
.to-top{position:fixed;right:28px;bottom:96px;z-index:79;width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--c-line);color:var(--c-text);box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--c-brand);border-color:rgba(18,166,127,.45)}

/* ============ 移动端抽屉 ============ */
.nav-drawer{position:fixed;inset:0;z-index:100;background:rgba(23,19,37,.96);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);display:flex;flex-direction:column;padding:22px 22px calc(22px + env(safe-area-inset-bottom));opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .22s ease,transform .22s ease,visibility .22s}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-head .logo-text{color:#fff;font-size:18px;font-weight:800}
.drawer-close{width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.22);color:#fff;display:inline-flex;align-items:center;justify-content:center}
.drawer-links{display:flex;flex-direction:column;gap:4px;flex:1;overflow:auto}
.drawer-links a{color:#fff;font-size:18px;line-height:1.5;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer-links a.is-active{color:var(--c-marker)}
.drawer-cta{margin-top:18px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout,.article-layout.has-toc{grid-template-columns:minmax(0,780px)}
  .article-aside{display:none}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .nav-search{display:none}
  .cta-inner{grid-template-columns:1fr;gap:34px;padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  :root{--section:56px}
  .container{padding:0 20px}
  .site-header{height:60px}
  .site-header.is-scrolled{height:58px}
  .article-hero{padding:calc(60px + 34px) 0 46px}
  .article-hero h1{margin:16px 0 14px}
  .cover-wrap{aspect-ratio:4/3;margin-top:28px}
  .article-main{padding:44px 0 12px}
  .article-body{font-size:16.5px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{display:none}
  .float-cta{left:0;right:0;bottom:0;height:60px;border-radius:0;justify-content:center;padding:0 20px calc(0px + env(safe-area-inset-bottom));transform:translateY(100%)}
  .float-cta.is-visible{transform:translateY(0)}
  .float-cta.is-mini{height:60px;font-size:15px}
  body{padding-bottom:76px}
}
@media (max-width:520px){
  .meta-row{gap:8px 16px}
  .meta-row .dot{display:none}
  .btn{width:100%}
  .btn+.btn{margin-top:10px}
  .header-actions .btn{width:auto}
  .share-btn{width:auto}
  .cta-points li{font-size:13px}
}

/* roulang page: category1 */
:root{
  --c-dark:#171325;
  --c-dark-2:#221B38;
  --c-brand:#0B7A5C;
  --c-brand-hover:#096348;
  --c-brand-line:#12A67F;
  --c-brand-soft:#E2F4EE;
  --c-accent:#FF7A45;
  --c-ink:#171325;
  --c-marker:#D6E95C;
  --c-bg:#F7F6F3;
  --c-bg-soft:#EFEDE8;
  --c-card:#FFFFFF;
  --c-line:#E4E1DA;
  --c-text:#1A1723;
  --c-muted:#6B6776;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(23,19,37,.06);
  --shadow-2:0 14px 34px -14px rgba(23,19,37,.22);
  --shadow-3:0 22px 48px -18px rgba(23,19,37,.34);
  --container:1200px;
  --gap:24px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.88;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--c-brand-line);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-brand-soft);color:var(--c-ink)}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1280px){.container{max-width:1280px}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:600;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(11,122,92,.85)}
.btn-primary:hover{background:var(--c-brand-hover);box-shadow:0 16px 30px -14px rgba(11,122,92,.95);filter:brightness(.96)}
.btn-accent{background:var(--c-accent);color:var(--c-ink);box-shadow:0 12px 26px -14px rgba(255,122,69,.9)}
.btn-accent:hover{filter:brightness(.96)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.btn-outline{background:transparent;color:var(--c-brand);border-color:rgba(18,166,127,.55)}
.btn-outline:hover{background:var(--c-brand-soft);border-color:var(--c-brand-line)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--c-brand);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-arrow:hover{border-bottom-color:var(--c-brand-line);color:var(--c-brand-hover)}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- badge / tag ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1;
  background:var(--c-brand-soft);color:var(--c-brand);
}
.badge-accent{background:rgba(255,122,69,.16);color:#C24A18}
.badge-line{background:transparent;border:1px solid var(--c-line);color:var(--c-muted)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;border:1px solid var(--c-line);background:#fff;
  font-size:13px;color:var(--c-muted);
}
.tag.is-on{background:var(--c-brand);border-color:var(--c-brand);color:#fff}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;height:72px;z-index:90;
  background:linear-gradient(180deg,rgba(23,19,37,.55),rgba(23,19,37,.28));
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:background-color .22s ease,height .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(23,19,37,.94);
  box-shadow:0 12px 30px -18px rgba(0,0,0,.75);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:100%}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-brand-line),var(--c-brand));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -10px rgba(18,166,127,.9);
}
.logo-mark svg{width:18px;height:18px;display:block}
.logo-text{color:#fff;font-size:17.5px;font-weight:800;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:14px}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:8px;
  font-size:14.8px;font-weight:500;color:rgba(255,255,255,.82);
  transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-brand-line);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.2);
  transition:background-color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4)}
.nav-search{
  width:0;overflow:hidden;opacity:0;border-radius:10px;
  transition:width .2s ease,opacity .2s ease;
}
.nav-search.is-open{width:200px;opacity:1}
.nav-search input{
  width:100%;height:40px;padding:0 14px;border-radius:10px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:rgba(255,255,255,.6)}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;color:#fff;
  align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.2);
}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:100;display:none;
  background:rgba(23,19,37,.96);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:22px 20px 96px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .md-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.mobile-drawer .md-head .logo-text{font-size:17px}
.md-close{width:40px;height:40px;border-radius:10px;color:#fff;border:1px solid rgba(255,255,255,.24);display:flex;align-items:center;justify-content:center}
.mobile-drawer nav{display:flex;flex-direction:column;gap:6px}
.mobile-drawer nav a{
  color:#fff;font-size:18px;line-height:1.5;padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.mobile-drawer nav a.is-active{color:var(--c-marker)}
.md-foot{
  position:fixed;left:0;right:0;bottom:0;padding:16px 20px calc(16px + env(safe-area-inset-bottom));
  background:rgba(23,19,37,.98);border-top:1px solid rgba(255,255,255,.12);
}
.md-foot .btn{width:100%}

/* ---------- hero (inner page) ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:136px 0 56px;
  background:
    radial-gradient(560px 320px at 88% 8%,rgba(18,166,127,.30),transparent 62%),
    linear-gradient(160deg,var(--c-dark),var(--c-dark-2) 78%);
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.32;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px,44px 44px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(18,166,127,.24),transparent 66%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumbs span.sep{color:rgba(255,255,255,.4)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.2;
  max-width:22em;margin:14px 0 16px;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(180deg,transparent 66%,rgba(214,233,92,.55) 66%);
  padding:0 2px;
}
.page-hero .lede{
  font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.8);
  max-width:62ch;
}
.anchor-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;
}
.anchor-bar a{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.86);
  font-size:14px;transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.anchor-bar a:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);transform:translateY(-2px)}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(255,255,255,.68);
}
.hero-meta b{color:#fff;font-weight:600}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:var(--c-bg-soft)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-brand);
  margin-bottom:14px;
}
.sec-head .kicker::before{
  content:"";width:4px;height:20px;border-radius:2px;background:var(--c-brand-line);
}
.sec-head h2{font-size:clamp(23px,3vw,33px);font-weight:700;margin-bottom:16px;color:var(--c-ink)}
.sec-head p{font-size:16.5px;color:var(--c-muted);margin:0;max-width:64ch}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap}

/* ---------- steps layout ---------- */
.steps-layout{
  display:grid;grid-template-columns:268px minmax(0,1fr);gap:44px;align-items:start;
}
.steps-nav{
  position:sticky;top:96px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.steps-nav h3{font-size:14px;color:var(--c-muted);font-weight:600;letter-spacing:.04em;margin-bottom:14px}
.steps-nav ol{display:flex;flex-direction:column;gap:2px;counter-reset:sn}
.steps-nav li{counter-increment:sn}
.steps-nav a{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:10px;
  font-size:14.5px;color:var(--c-muted);
  border-left:2px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.steps-nav a::before{
  content:counter(sn,decimal-leading-zero);
  font-size:12px;font-weight:700;color:var(--c-brand-line);
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.steps-nav a:hover{background:var(--c-brand-soft);color:var(--c-ink)}
.steps-nav a.is-current{background:var(--c-brand-soft);color:var(--c-brand);border-left-color:var(--c-brand-line);font-weight:600}
.steps-nav .nav-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-muted);line-height:1.7;
}
.steps-nav .nav-note a{color:var(--c-brand);font-weight:600}

.step-list{display:flex;flex-direction:column;gap:22px}
.step-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,166,127,.45)}
.step-top{display:flex;gap:18px;align-items:flex-start;margin-bottom:14px}
.step-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;
  border:2px solid var(--c-brand-line);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;
}
.step-top h3{font-size:20px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.step-top .step-sub{font-size:13.5px;color:var(--c-muted)}
.step-card p{font-size:16px;color:#3B3745;margin-bottom:14px}
.step-points{display:flex;flex-direction:column;gap:9px;margin-bottom:16px}
.step-points li{position:relative;padding-left:22px;font-size:15.4px;color:#3B3745}
.step-points li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:50%;background:var(--c-brand-line);
}
.tip{
  background:var(--c-brand-soft);border-left:3px solid var(--c-brand-line);
  border-radius:0 10px 10px 0;padding:14px 18px;font-size:14.5px;color:#255044;
  display:flex;gap:12px;align-items:flex-start;
}
.tip i{color:var(--c-brand);margin-top:4px}

/* ---------- figure block ---------- */
.figure-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-1);margin-top:44px;
}
.figure-row img{width:100%;height:280px;object-fit:cover;border-radius:var(--radius-img)}
.figure-row h3{font-size:22px;font-weight:700;color:var(--c-ink);margin-bottom:12px}
.figure-row p{font-size:15.8px;color:#3B3745}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15.2px;color:#3B3745}
.check-list i{color:var(--c-brand);margin-top:5px}

/* ---------- prepare cards ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.prep-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,166,127,.45)}
.prep-card .ico{
  width:46px;height:46px;border-radius:12px;background:var(--c-brand-soft);
  color:var(--c-brand);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.prep-card h3{font-size:17.5px;font-weight:600;margin-bottom:10px;color:var(--c-ink)}
.prep-card p{font-size:15px;color:var(--c-muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- metric strip ---------- */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;
}
.metric{background:var(--c-card);padding:26px 24px}
.metric .num{
  font-size:36px;font-weight:800;line-height:1.1;color:var(--c-brand);
  font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.metric .num.accent{color:#C24A18}
.metric .lbl{font-size:14px;color:var(--c-muted)}
.metric-bar{height:6px;border-radius:999px;background:var(--c-bg-soft);margin-top:16px;overflow:hidden}
.metric-bar span{display:block;height:100%;background:var(--c-marker);border-radius:999px}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:44px;align-items:start}
.faq-side h2{font-size:clamp(23px,3vw,32px);margin-bottom:14px;color:var(--c-ink)}
.faq-side p{font-size:15.8px;color:var(--c-muted)}
.faq-side .btn{margin-top:22px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(18,166,127,.4)}
.faq-item.is-open{border-color:rgba(18,166,127,.55);box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--c-ink);
}
.faq-q i{color:var(--c-brand);transition:transform .25s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a .inner{padding:0 24px 22px;font-size:15.6px;line-height:1.88;color:#3B3745}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,var(--c-dark),var(--c-dark-2) 82%);
  color:#fff;border-radius:var(--radius-card);
  padding:54px 48px;
}
.cta-band::after{
  content:"";position:absolute;right:-100px;top:-120px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(255,122,69,.26),transparent 66%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(23px,3vw,32px);margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.78);font-size:16px;margin-bottom:20px}
.cta-points{display:flex;flex-direction:column;gap:10px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.85)}
.cta-points i{color:var(--c-marker);margin-top:5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.6)}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cross-card{
  display:block;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,166,127,.45)}
.cross-card img{width:100%;height:168px;object-fit:cover}
.cross-card .cc-body{padding:22px 24px 26px}
.cross-card h3{font-size:17.5px;font-weight:600;margin-bottom:10px;color:var(--c-ink)}
.cross-card p{font-size:14.8px;color:var(--c-muted);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--sec);
  background:linear-gradient(180deg,var(--c-dark),var(--c-dark-2));
  color:rgba(255,255,255,.72);
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px}
.footer-brand .logo-text{display:block;font-size:19px;margin-bottom:14px}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68);transition:color .18s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8}
.footer-contact b{display:block;color:#fff;font-weight:600;font-size:13.5px;margin-bottom:2px}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.fb-links{display:flex;gap:20px;flex-wrap:wrap}
.fb-links a{color:rgba(255,255,255,.62)}
.fb-links a:hover{color:#fff}

/* ---------- floating cta & to top ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 24px;border-radius:999px;
  background:var(--c-accent);color:var(--c-ink);font-weight:700;font-size:15px;
  box-shadow:0 18px 34px -14px rgba(255,122,69,.85);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,height .2s ease,padding .2s ease,visibility .28s;
}
.float-cta.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{filter:brightness(.96)}
.float-cta.is-mini{height:44px;padding:0 16px}
.float-cta.is-mini .fc-text{display:none}
.to-top{
  position:fixed;right:28px;bottom:92px;z-index:80;
  width:44px;height:44px;border-radius:999px;
  background:rgba(23,19,37,.86);color:#fff;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- scroll progress ---------- */
.progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:95;
  background:linear-gradient(90deg,var(--c-brand-line),var(--c-marker));
  transition:width .1s linear;
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .steps-layout{grid-template-columns:236px minmax(0,1fr);gap:32px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-links,.nav-search,.nav-cta{display:none}
  .hamburger{display:flex}
  .section{padding:var(--sec) 0}
  .steps-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .steps-nav{position:static;overflow-x:auto;padding:14px}
  .steps-nav h3,.steps-nav .nav-note{display:none}
  .steps-nav ol{flex-direction:row;gap:8px}
  .steps-nav a{white-space:nowrap;padding:9px 14px;border-left:0;border-radius:999px;background:var(--c-bg-soft)}
  .steps-nav a.is-current{border-left:0;background:var(--c-brand);color:#fff}
  .steps-nav a.is-current::before{color:#fff}
  .prep-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:28px}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:26px}
  .cross-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .figure-row{grid-template-columns:minmax(0,1fr);gap:24px;padding:24px}
  .figure-row img{height:230px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta-band{padding:40px 28px}
}
@media (max-width:767px){
  :root{--sec:56px}
  body{font-size:16px;padding-bottom:76px}
  .container{padding:0 20px}
  .page-hero{padding:112px 0 44px}
  .site-header{height:60px}
  .site-header.is-scrolled{height:58px}
  .logo-text{font-size:16px}
  .prep-grid{grid-template-columns:minmax(0,1fr)}
  .metric-strip{grid-template-columns:minmax(0,1fr)}
  .cross-grid{grid-template-columns:minmax(0,1fr)}
  .step-card{padding:22px 20px}
  .step-top{gap:14px}
  .step-num{width:38px;height:38px;font-size:16px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .cta-band{padding:32px 22px;border-radius:12px}
  .float-cta{
    right:0;left:0;bottom:0;height:60px;border-radius:0;
    justify-content:space-between;padding:0 20px calc(0px + env(safe-area-inset-bottom));
    width:100%;
  }
  .float-cta .fc-text{display:inline}
  .float-cta .fc-tail{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;
    background:rgba(23,19,37,.14);padding:6px 12px;border-radius:999px;
  }
  .float-cta.is-mini{height:60px;padding:0 20px;width:100%}
  .float-cta.is-mini .fc-text{display:inline}
  .to-top{bottom:78px;right:16px;width:40px;height:40px}
}
@media (max-width:479px){
  .page-hero h1{font-size:27px}
  .anchor-bar a{height:34px;font-size:13px;padding:0 13px}
  .btn{height:46px;padding:0 20px;font-size:15px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --c-dark:#171325;
  --c-dark-2:#221B38;
  --c-brand:#0B7A5C;
  --c-brand-hover:#096348;
  --c-brand-line:#12A67F;
  --c-brand-soft:#E2F4EE;
  --c-accent:#FF7A45;
  --c-ink:#171325;
  --c-marker:#D6E95C;
  --c-bg:#F7F6F3;
  --c-bg-soft:#EFEDE8;
  --c-card:#FFFFFF;
  --c-line:#E4E1DA;
  --c-text:#1A1723;
  --c-muted:#6B6776;
  --shadow-1:0 1px 2px rgba(23,19,37,.06);
  --shadow-2:0 14px 34px -14px rgba(23,19,37,.22);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sp-section:96px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.88;
  color:var(--c-text);
  background:var(--c-bg);
  text-align:left;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0;}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--c-text);}
::selection{background:var(--c-brand-soft);color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-brand-line);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1280px){.container{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(.94);}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1);filter:brightness(.9);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed;filter:none;}
.btn-primary{background:var(--c-brand);color:#fff;}
.btn-accent{background:var(--c-accent);color:var(--c-ink);}
.btn-outline{background:transparent;border-color:rgba(23,19,37,.22);color:var(--c-ink);}
.btn-outline:hover{border-color:var(--c-brand-line);color:var(--c-brand);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.34);color:#fff;}
.btn-ghost-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);}
.btn-sm{padding:10px 18px;font-size:14.5px;}
.btn-block{width:100%;}
.btn .arrow{transition:transform .2s ease;}
.btn:hover .arrow{transform:translateX(3px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1;
}
.badge-brand{background:var(--c-brand-soft);color:var(--c-brand);}
.badge-accent{background:var(--c-accent);color:var(--c-ink);}
.badge-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.16);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  height:var(--nav-h);
  background:linear-gradient(180deg,rgba(23,19,37,.55),rgba(23,19,37,.28));
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:height .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(23,19,37,.94);
  box-shadow:0 10px 28px -16px rgba(0,0,0,.62);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:100%;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:24px;height:24px;border-radius:7px;
  background:linear-gradient(135deg,var(--c-brand-line),var(--c-brand));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px -4px rgba(18,166,127,.7);
}
.brand-mark svg{width:14px;height:14px;display:block;}
.logo-text{color:#fff;font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-links a{
  position:relative;color:rgba(255,255,255,.84);font-size:15px;font-weight:500;padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--c-brand-line);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:#fff;font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;display:flex;align-items:center;justify-content:center;
  transition:background-color .2s ease,border-color .2s ease,transform .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4);transform:translateY(-1px);}
.nav-search{
  display:flex;align-items:center;overflow:hidden;width:0;opacity:0;
  transition:width .2s ease,opacity .2s ease;
  background:rgba(255,255,255,.12);border-radius:999px;
}
.nav-search.is-open{width:200px;opacity:1;border:1px solid rgba(255,255,255,.22);}
.nav-search input{
  width:100%;border:0;background:transparent;color:#fff;padding:9px 16px;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:rgba(255,255,255,.6);}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);padding:0;align-items:center;justify-content:center;}
.hamburger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:100;background:rgba(23,19,37,.96);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  display:flex;flex-direction:column;padding:88px 24px calc(24px + env(safe-area-inset-bottom));
  transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease;
}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-drawer a{color:#fff;font-size:18px;line-height:1.6;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);}
.mobile-drawer a.is-active{color:var(--c-marker);font-weight:600;}
.mobile-drawer .drawer-cta{margin-top:auto;padding-top:20px;border-bottom:0;}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:calc(var(--nav-h) + 56px) 0 56px;
  background:
    radial-gradient(720px 320px at 88% 12%,rgba(18,166,127,.34),transparent 62%),
    linear-gradient(150deg,var(--c-dark),var(--c-dark-2));
  color:#fff;
  min-height:320px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.2;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:36px 36px;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.5;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);line-height:1.2;font-weight:800;margin-bottom:18px;
  max-width:16em;
}
.page-hero .hero-lead{font-size:16.5px;line-height:1.88;color:rgba(255,255,255,.82);max-width:660px;margin-bottom:26px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
.hero-chips a{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.07);
  color:#fff;font-size:14px;transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.hero-chips a:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.42);transform:translateY(-2px);color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--c-bg-soft);}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head .eyebrow{
  display:block;font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--c-brand);margin-bottom:12px;
}
.section-head h2{
  position:relative;font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;padding-left:16px;margin-bottom:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;border-radius:2px;background:var(--c-brand-line);
}
.section-head p{color:var(--c-muted);font-size:16px;line-height:1.88;max-width:640px;}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.bento-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,166,127,.45);}
.bento-card .ico{
  width:44px;height:44px;border-radius:12px;background:var(--c-brand-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.bento-card .ico svg{width:22px;height:22px;stroke:var(--c-brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.bento-card h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:10px;}
.bento-card p{font-size:15.5px;line-height:1.8;color:var(--c-muted);margin-bottom:0;}
.bento-card .card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14.5px;font-weight:600;color:var(--c-brand);
}
.bento-card .card-link:hover{color:var(--c-brand-hover);text-decoration:underline;text-underline-offset:3px;}
.bento-lg{grid-column:span 4;}
.bento-sm{grid-column:span 2;}
.bento-wide{grid-column:span 6;flex-direction:row;align-items:center;gap:26px;}
.bento-wide .bento-wide-body{flex:1;}
.bento-wide .bento-wide-aside{flex-shrink:0;display:flex;gap:10px;flex-wrap:wrap;}
.bento-wide .ico{margin-bottom:0;}
.bento-tall{grid-column:span 3;}

.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;
  background:var(--c-bg-soft);border:1px solid var(--c-line);font-size:13px;color:var(--c-muted);
}
.tag-strong{background:var(--c-brand-soft);border-color:rgba(18,166,127,.28);color:var(--c-brand);}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.compare{width:100%;border-collapse:collapse;min-width:680px;}
table.compare thead th{
  background:var(--c-dark);color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;
  padding:18px 20px;text-align:left;white-space:nowrap;
}
table.compare thead th:not(:first-child){text-align:center;}
table.compare tbody td{
  padding:16px 20px;border-bottom:1px solid var(--c-line);font-size:15.5px;vertical-align:middle;
}
table.compare tbody tr:nth-child(even){background:#FCFBF9;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare td:first-child{font-weight:600;color:var(--c-text);}
table.compare td:not(:first-child){text-align:center;color:var(--c-muted);}
.state{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;}
.state-yes{background:var(--c-brand-soft);color:var(--c-brand);}
.state-no{background:#F1EFEA;color:#A9A4B2;}
.state svg{width:14px;height:14px;stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.table-note{padding:16px 22px;background:var(--c-bg-soft);font-size:14px;color:var(--c-muted);border-top:1px solid var(--c-line);}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step-card{
  position:relative;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,166,127,.45);}
.step-num{
  width:40px;height:40px;border-radius:50%;border:2px solid var(--c-brand-line);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.step-card p{font-size:15px;line-height:1.8;color:var(--c-muted);margin-bottom:0;}
.step-card .tip{
  margin-top:16px;padding:12px 14px;background:var(--c-brand-soft);border-radius:10px;
  font-size:13.5px;line-height:1.7;color:var(--c-brand);
}

/* ---------- 图文说明 ---------- */
.detail-grid{display:grid;grid-template-columns:5fr 6fr;gap:48px;align-items:center;}
.detail-figure{position:relative;}
.detail-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--shadow-2);}
.detail-figure .float-stat{
  position:absolute;right:-16px;bottom:24px;background:rgba(23,19,37,.92);color:#fff;
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:16px 20px;
  box-shadow:var(--shadow-2);min-width:168px;
}
.detail-figure .float-stat b{display:block;font-size:26px;font-weight:800;color:var(--c-marker);font-variant-numeric:tabular-nums;line-height:1.2;}
.detail-figure .float-stat span{font-size:13px;color:rgba(255,255,255,.72);}
.detail-list{display:flex;flex-direction:column;gap:18px;}
.detail-item{display:flex;gap:16px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--shadow-1);transition:border-color .2s ease,transform .2s ease;}
.detail-item:hover{border-color:rgba(18,166,127,.45);transform:translateX(4px);}
.detail-item .dot{
  flex-shrink:0;width:10px;height:10px;border-radius:50%;background:var(--c-brand-line);margin-top:11px;
}
.detail-item h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.detail-item p{font-size:15px;color:var(--c-muted);line-height:1.8;margin-bottom:0;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start;}
.faq-aside h2{position:relative;font-size:clamp(24px,3vw,32px);padding-left:16px;margin-bottom:16px;}
.faq-aside h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;border-radius:2px;background:var(--c-brand-line);}
.faq-aside p{color:var(--c-muted);font-size:15.5px;line-height:1.88;margin-bottom:22px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(18,166,127,.45);box-shadow:var(--shadow-2);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .chev{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--c-brand-soft);
  display:flex;align-items:center;justify-content:center;transition:transform .24s ease;
}
.faq-item summary .chev svg{width:13px;height:13px;stroke:var(--c-brand);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-item .faq-body{padding:0 24px 22px;color:var(--c-muted);font-size:15.5px;line-height:1.88;}
.faq-item .faq-body p{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-section{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(150deg,var(--c-dark),var(--c-dark-2));
  padding:var(--sp-section) 0;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 300px at 12% 100%,rgba(18,166,127,.3),transparent 60%);
}
.cta-section .container{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:start;}
.cta-copy h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin:18px 0 16px;}
.cta-copy p{color:rgba(255,255,255,.8);font-size:16px;line-height:1.88;max-width:520px;}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:26px;}
.cta-points li{position:relative;padding-left:26px;font-size:15px;color:rgba(255,255,255,.82);}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:12px;height:2px;border-radius:2px;background:var(--c-brand-line);
}
.cta-form{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:28px;box-shadow:0 20px 44px -24px rgba(0,0,0,.7);
}
.field{margin-bottom:18px;}
.field:last-of-type{margin-bottom:22px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:rgba(255,255,255,.88);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;outline:none;
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;line-height:1.7;}
.field select option{color:var(--c-ink);}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.5);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-brand-line);box-shadow:0 0 0 3px rgba(18,166,127,.24);background:rgba(255,255,255,.12);
}
.field.has-error input{border-color:#FF6B6B;box-shadow:0 0 0 3px rgba(255,107,107,.18);}
.field-error{display:none;margin:8px 0 0;font-size:13px;color:#FFB3B3;}
.field.has-error .field-error{display:block;}
.form-success{display:none;margin:14px 0 0;font-size:14px;color:var(--c-marker);}
.form-success.is-visible{display:block;}

/* ---------- 交叉链接 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cross-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,166,127,.45);color:inherit;}
.cross-card h3{font-size:18px;font-weight:600;}
.cross-card p{font-size:15px;color:var(--c-muted);line-height:1.8;margin-bottom:0;}
.cross-card .more{font-size:14px;font-weight:600;color:var(--c-brand);margin-top:auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .logo-text{font-size:19px;display:block;margin-bottom:14px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;margin-bottom:0;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.7);}
.footer-contact b{color:#fff;font-weight:600;margin-right:6px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding-top:24px;font-size:13.5px;color:rgba(255,255,255,.5);}
.footer-bottom .fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 浮动组件 ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 24px;border-radius:999px;
  background:var(--c-accent);color:var(--c-ink);font-weight:700;font-size:15px;
  box-shadow:0 18px 34px -14px rgba(23,19,37,.5);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .24s ease,transform .24s ease,height .2s ease,padding .2s ease,filter .2s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{filter:brightness(.94);color:var(--c-ink);transform:translateY(-2px);}
.float-cta.is-compact{height:40px;padding:0 14px;font-size:0;}
.float-cta.is-compact .fc-text{display:none;}
.float-cta svg{width:16px;height:16px;stroke:var(--c-ink);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

.mobile-cta-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  height:60px;padding:0 18px calc(env(safe-area-inset-bottom) / 2);
  background:rgba(23,19,37,.96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,.14);
  align-items:center;justify-content:space-between;gap:14px;
}
.mobile-cta-bar span{color:#fff;font-size:14.5px;font-weight:600;}
.mobile-cta-bar a{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;
  background:var(--c-accent);color:var(--c-ink);font-size:14.5px;font-weight:700;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .container{padding:0 24px;}
  .nav-links,.nav-search{display:none;}
  .hamburger{display:flex;}
  .bento{grid-template-columns:repeat(4,1fr);}
  .bento-lg{grid-column:span 4;}
  .bento-sm{grid-column:span 2;}
  .bento-tall{grid-column:span 2;}
  .bento-wide{grid-column:span 4;flex-direction:column;align-items:flex-start;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .detail-grid{grid-template-columns:1fr;gap:36px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .cross-grid{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .float-cta{display:none;}
  .mobile-cta-bar{display:flex;}
  body{padding-bottom:76px;}
}
@media (max-width:767px){
  :root{--sp-section:56px;--nav-h:60px;}
  body{font-size:16px;}
  .container{padding:0 20px;}
  .page-hero{padding:calc(var(--nav-h) + 40px) 0 44px;min-height:auto;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .bento{grid-template-columns:1fr;}
  .bento-lg,.bento-sm,.bento-tall,.bento-wide{grid-column:span 1;}
  .steps{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-item summary{padding:18px 18px;font-size:16px;}
  .faq-item .faq-body{padding:0 18px 20px;}
  .cta-form{padding:22px;}
  .detail-figure .float-stat{right:12px;bottom:12px;}
  table.compare{min-width:0;}
  table.compare thead{display:none;}
  table.compare,table.compare tbody,table.compare tr,table.compare td{display:block;width:100%;}
  .table-scroll{overflow:visible;padding:16px;}
  table.compare tr{
    border:1px solid var(--c-line);border-radius:var(--r-card);margin-bottom:14px;
    padding:6px 16px;background:#fff;
  }
  table.compare tbody tr:nth-child(even){background:#fff;}
  table.compare tbody td{
    border-bottom:1px dashed var(--c-line);padding:12px 0;
    display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:right;
  }
  table.compare tbody tr td:last-child{border-bottom:0;}
  table.compare td:first-child{
    font-size:16px;justify-content:flex-start;text-align:left;padding-top:14px;
  }
  table.compare td:not(:first-child)::before{
    content:attr(data-th);font-size:13.5px;font-weight:600;color:var(--c-muted);text-align:left;
  }
}

/* roulang page: category3 */
:root{
  --c-dark:#171325;
  --c-dark-2:#221B38;
  --c-brand:#0B7A5C;
  --c-brand-hover:#096348;
  --c-brand-line:#12A67F;
  --c-brand-soft:#E2F4EE;
  --c-accent:#FF7A45;
  --c-marker:#D6E95C;
  --c-bg:#F7F6F3;
  --c-bg-soft:#EFEDE8;
  --c-card:#FFFFFF;
  --c-line:#E4E1DA;
  --c-text:#1A1723;
  --c-muted:#6B6776;
  --c-ink:#171325;
  --shadow-1:0 1px 2px rgba(23,19,37,.06);
  --shadow-2:0 14px 34px -14px rgba(23,19,37,.22);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.88;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-brand-line);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1280px){.container{max-width:1280px;}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  color:#fff;
  background:linear-gradient(180deg,rgba(23,19,37,.55),rgba(23,19,37,.28));
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:background-color .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{
  background:rgba(23,19,37,.94);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.7);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;height:72px;
  transition:height .22s ease;
}
.site-header.is-scrolled .nav-inner{height:64px;}

.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:26px;height:26px;border-radius:8px;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-brand-line),var(--c-brand));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(18,166,127,.9);
}
.logo-mark svg{display:block;}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;
  padding:8px 12px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.82);
  border-radius:8px;
  transition:color .2s ease,background-color .2s ease;
  white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.is-active{color:#fff;font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-brand-line);border-radius:2px;
}

.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4);transform:translateY(-1px);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease,opacity .2s ease;
  text-align:center;
}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 10px 22px -14px rgba(11,122,92,.85);}
.btn-primary:hover{background:var(--c-brand-hover);transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(11,122,92,.9);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:rgba(255,255,255,.38);color:#fff;background:rgba(255,255,255,.04);}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline{border-color:var(--c-line);background:#fff;color:var(--c-text);}
.btn-outline:hover{border-color:rgba(18,166,127,.55);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-outline:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:var(--c-ink);box-shadow:0 12px 26px -14px rgba(255,122,69,.85);}
.btn-accent:hover{background:#f26a33;transform:translateY(-2px);}
.btn-accent:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.btn-block{width:100%;}

.hamburger{display:none;width:40px;height:40px;border-radius:10px;color:#fff;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);align-items:center;justify-content:center;}
.hamburger:hover{background:rgba(255,255,255,.16);}

.nav-search{
  position:absolute;left:0;right:0;top:100%;
  padding:0 32px 16px;
  display:none;
}
.nav-search.is-open{display:block;}
.nav-search-inner{
  max-width:1200px;margin:0 auto;
  background:rgba(23,19,37,.95);
  border:1px solid rgba(255,255,255,.16);
  border-radius:12px;
  padding:10px 14px;
  display:flex;align-items:center;gap:10px;
  box-shadow:0 18px 40px -24px rgba(0,0,0,.8);
}
.nav-search-inner input{
  flex:1;height:38px;background:transparent;border:none;outline:none;color:#fff;font-size:15px;
}
.nav-search-inner input::placeholder{color:rgba(255,255,255,.5);}

.drawer{
  position:fixed;inset:0;z-index:100;
  background:rgba(23,19,37,.96);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  transform:translateX(100%);
  transition:transform .3s ease;
  display:flex;flex-direction:column;
  padding:20px 24px 28px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.24);color:#fff;display:flex;align-items:center;justify-content:center;}
.drawer nav{display:flex;flex-direction:column;gap:4px;}
.drawer nav a{
  color:#fff;font-size:18px;line-height:1.6;padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer nav a.is-active{color:var(--c-brand-line);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  padding:132px 0 58px;
  color:#fff;
  background:linear-gradient(140deg,var(--c-dark) 0%,var(--c-dark-2) 62%,#1c2a35 100%);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:46px 46px;
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(18,166,127,.36),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.78);border-bottom:1px solid transparent;transition:border-color .2s,color .2s;}
.breadcrumb a:hover{color:#fff;border-bottom-color:var(--c-brand-line);}
.breadcrumb .sep{color:rgba(255,255,255,.34);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:12px;font-weight:600;letter-spacing:.06em;color:#fff;
  margin-bottom:20px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--c-brand-line);display:inline-block;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);line-height:1.22;font-weight:800;
  letter-spacing:0;max-width:16em;
}
.page-hero .hero-sub{
  margin-top:18px;max-width:44em;font-size:17px;line-height:1.8;color:rgba(255,255,255,.76);
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  transition:background-color .2s,border-color .2s,color .2s,transform .2s;
}
.chip:hover{background:rgba(18,166,127,.24);border-color:rgba(18,166,127,.6);color:#fff;transform:translateY(-2px);}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0;}
.section.is-soft{background:var(--c-bg-soft);}
.section.is-dark{background:linear-gradient(150deg,var(--c-dark),var(--c-dark-2));color:#fff;}
.section-head{margin-bottom:44px;max-width:760px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--c-brand);margin-bottom:12px;
}
.section.is-dark .eyebrow{color:var(--c-brand-line);}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;border-radius:2px;background:var(--c-brand-line);
}
.section-sub{margin-top:14px;font-size:16.5px;color:var(--c-muted);max-width:52em;}
.section.is-dark .section-sub{color:rgba(255,255,255,.7);}

/* ============ 搜索区 ============ */
.search-panel{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);
  padding:28px;margin-top:-36px;position:relative;z-index:5;
}
.search-field{display:flex;align-items:center;gap:12px;border:1px solid var(--c-line);border-radius:12px;padding:6px 8px 6px 16px;background:var(--c-bg);transition:border-color .2s,box-shadow .2s;}
.search-field:focus-within{border-color:rgba(18,166,127,.6);box-shadow:0 0 0 4px rgba(18,166,127,.12);}
.search-field svg{flex-shrink:0;color:var(--c-muted);}
.search-field input{flex:1;border:none;background:transparent;outline:none;height:44px;font-size:16px;}
.search-field input::placeholder{color:#9d99a5;}
.quick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-brand);background:var(--c-brand-soft);border:1px solid transparent;
  transition:background-color .2s,border-color .2s,transform .2s;
}
.tag:hover{background:#d3ece3;border-color:rgba(18,166,127,.45);transform:translateY(-2px);}

/* ============ FAQ 手风琴 ============ */
.faq-columns{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start;}
.faq-group h3{
  font-size:19px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:10px;color:var(--c-text);
}
.faq-group h3 span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:30px;height:26px;padding:0 10px;border-radius:8px;
  background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600;
}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.faq-item:hover{border-color:rgba(18,166,127,.45);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.faq-item.is-hidden{display:none;}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:600;line-height:1.6;color:var(--c-text);
}
.faq-q:hover{color:var(--c-brand);}
.faq-arrow{
  flex-shrink:0;margin-top:4px;color:var(--c-muted);
  transition:transform .28s ease,color .28s ease;
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--c-brand-line);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 22px 22px;font-size:15.8px;line-height:1.88;color:var(--c-muted);}
.faq-a-inner b{color:var(--c-text);font-weight:600;}
.faq-empty{
  display:none;text-align:center;color:var(--c-muted);font-size:15px;
  padding:34px 20px;background:var(--c-card);border:1px dashed var(--c-line);border-radius:var(--r-card);margin-top:26px;
}
.faq-empty.is-visible{display:block;}

/* ============ 支持渠道 ============ */
.support-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px;align-items:stretch;}
.support-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.support-card:hover{transform:translateY(-4px);border-color:rgba(18,166,127,.45);box-shadow:var(--shadow-2);}
.support-card.is-main{
  background:linear-gradient(160deg,#ffffff 0%,var(--c-brand-soft) 100%);
  border-color:rgba(18,166,127,.35);
}
.support-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--c-brand-soft);color:var(--c-brand);
}
.support-card.is-main .support-icon{background:#fff;}
.support-card h3{font-size:19px;font-weight:600;}
.support-card .support-desc{font-size:15.5px;color:var(--c-muted);line-height:1.8;}
.support-list{display:flex;flex-direction:column;gap:8px;font-size:15px;color:var(--c-text);}
.support-list li{display:flex;gap:10px;align-items:flex-start;}
.support-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-brand-line);margin-top:10px;flex-shrink:0;
}
.support-card .btn{margin-top:auto;}

/* ============ 处理流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.flow-step{
  position:relative;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);
  padding:26px 22px;display:flex;flex-direction:column;gap:12px;
  transition:transform .24s ease,border-color .24s ease,background-color .24s ease;
}
.flow-step:hover{transform:translateY(-4px);border-color:rgba(18,166,127,.55);background:rgba(11,122,92,.14);}
.flow-num{
  width:40px;height:40px;border-radius:50%;border:1.5px solid var(--c-brand-line);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--c-brand-line);
}
.flow-step h3{font-size:17px;font-weight:600;color:#fff;}
.flow-step p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.7);margin:0;}

/* ============ 自查清单 ============ */
.check-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.check-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-2);}
.check-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:26px;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--shadow-1);
  transition:transform .24s ease,border-color .24s ease;
}
.check-list li:hover{transform:translateX(4px);border-color:rgba(18,166,127,.45);}
.check-list .check-dot{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:var(--c-brand-soft);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:3px;
}
.check-list b{display:block;font-size:16.5px;font-weight:600;margin-bottom:2px;}
.check-list span{font-size:15px;color:var(--c-muted);line-height:1.78;}

/* ============ 交叉链接 ============ */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cross-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.cross-card:hover{transform:translateY(-4px);border-color:rgba(18,166,127,.45);box-shadow:var(--shadow-2);}
.cross-card h3{font-size:18px;font-weight:600;}
.cross-card p{font-size:15px;color:var(--c-muted);margin:0;}
.cross-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-size:15px;font-weight:600;margin-top:6px;}
.cross-link:hover{border-bottom:1px solid var(--c-brand-line);}

/* ============ CTA 表单 ============ */
.cta-band{padding:var(--sp-section) 0;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:26px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15.8px;color:rgba(255,255,255,.78);}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-marker);margin-top:11px;flex-shrink:0;}
.form-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:30px;
  display:flex;flex-direction:column;gap:16px;
}
.form-field{display:flex;flex-direction:column;gap:8px;}
.form-field label{font-size:14px;color:rgba(255,255,255,.72);}
.form-control{
  height:46px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);
  padding:0 14px;color:#fff;outline:none;font-size:15.5px;
  transition:border-color .2s,box-shadow .2s,background-color .2s;
}
textarea.form-control{height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-control::placeholder{color:rgba(255,255,255,.38);}
.form-control:focus{border-color:var(--c-brand-line);box-shadow:0 0 0 4px rgba(18,166,127,.18);background:rgba(255,255,255,.1);}
.form-control.is-error{border-color:#ff6b6b;box-shadow:0 0 0 4px rgba(255,107,107,.14);}
.form-error{font-size:13.5px;color:#ff9b9b;display:none;}
.form-error.is-visible{display:block;}
.form-note{font-size:13.5px;color:rgba(255,255,255,.5);}
.form-success{
  display:none;align-items:center;gap:10px;
  background:rgba(18,166,127,.16);border:1px solid rgba(18,166,127,.5);
  color:#c8f3e3;border-radius:var(--r-btn);padding:12px 16px;font-size:14.5px;
}
.form-success.is-visible{display:flex;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);color:rgba(255,255,255,.72);
  padding:72px 0 28px;font-size:15px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo-text{color:#fff;font-size:18px;display:block;margin-bottom:14px;}
.footer-brand p{font-size:14.8px;line-height:1.85;color:rgba(255,255,255,.6);max-width:26em;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14.8px;color:rgba(255,255,255,.68);transition:color .2s,border-color .2s;border-bottom:1px solid transparent;}
.footer-col a:hover{color:#fff;border-bottom-color:var(--c-brand-line);}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.68);line-height:1.8;}
.footer-contact b{color:#fff;font-weight:600;margin-right:8px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:14px;color:rgba(255,255,255,.5);
}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a{color:rgba(255,255,255,.6);border-bottom:1px solid transparent;}
.fb-links a:hover{color:#fff;border-bottom-color:var(--c-brand-line);}

/* ============ 浮动元素 ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--c-accent);color:var(--c-ink);font-weight:600;font-size:15.5px;
  box-shadow:0 18px 36px -16px rgba(23,19,37,.6);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s,height .3s,padding .3s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#f26a33;transform:translateY(-2px);}
.float-cta.is-mini{height:44px;padding:0 16px;font-size:14px;}

.to-top{
  position:fixed;right:28px;bottom:96px;z-index:79;
  width:44px;height:44px;border-radius:50%;
  background:#fff;color:var(--c-brand);
  border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s,transform .3s,visibility .3s;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-brand-soft);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .nav-links{display:none;}
  .hamburger{display:inline-flex;}
  .page-hero{padding:120px 0 48px;}
  .support-grid{grid-template-columns:1fr 1fr;}
  .support-card.is-main{grid-column:1 / -1;}
  .flow-grid{grid-template-columns:1fr 1fr;}
  .cross-grid{grid-template-columns:1fr 1fr;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .check-wrap{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sp-section:56px;}
  body{font-size:16px;padding-bottom:76px;}
  .container{padding:0 20px;}
  .nav-inner{height:60px;gap:14px;}
  .site-header.is-scrolled .nav-inner{height:60px;}
  .nav-actions .btn{display:none;}
  .nav-search{padding:0 20px 14px;}
  .page-hero{padding:104px 0 40px;}
  .page-hero h1{font-size:clamp(26px,7.4vw,34px);}
  .search-panel{margin-top:-24px;padding:20px;}
  .faq-columns{grid-template-columns:1fr;gap:30px;}
  .support-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;height:60px;border-radius:0;
    justify-content:center;padding:0 20px;
    padding-bottom:env(safe-area-inset-bottom);
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .to-top{right:16px;bottom:76px;width:40px;height:40px;}
  .form-card{padding:22px;}
}
@media (max-width:479px){
  .page-hero h1{font-size:25px;}
  .section-title{font-size:22px;}
  .faq-q{padding:18px;font-size:15.8px;}
  .faq-a-inner{padding:0 18px 18px;}
}

/* roulang page: category4 */
:root{
  --c-dark:#171325;
  --c-dark-2:#221B38;
  --c-brand:#0B7A5C;
  --c-brand-hover:#096348;
  --c-brand-line:#12A67F;
  --c-brand-soft:#E2F4EE;
  --c-accent:#FF7A45;
  --c-ink:#171325;
  --c-marker:#D6E95C;
  --c-bg:#F7F6F3;
  --c-bg-soft:#EFEDE8;
  --c-card:#FFFFFF;
  --c-line:#E4E1DA;
  --c-text:#1A1723;
  --c-muted:#6B6776;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(23,19,37,.06);
  --shadow-2:0 14px 34px -14px rgba(23,19,37,.22);
  --font: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.88;
  color:var(--c-text);
  background:var(--c-bg);
  text-align:left;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none}
a:hover{color:var(--c-brand)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--c-brand-line);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-hover);color:#fff}
.btn-accent{background:var(--c-accent);color:var(--c-ink)}
.btn-accent:hover{color:var(--c-ink);filter:brightness(.94)}
.btn-outline{border-color:rgba(23,19,37,.18);color:var(--c-text);background:transparent}
.btn-outline:hover{border-color:var(--c-brand-line);color:var(--c-brand);background:var(--c-brand-soft)}
.btn-light-outline{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}
.btn-light-outline:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.12)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;box-shadow:none}

/* ============ header / nav ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:linear-gradient(180deg,rgba(23,19,37,.55),rgba(23,19,37,.28));
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:background-color .22s ease,height .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{
  background:rgba(23,19,37,.94);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.7);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .22s ease}
.site-header.is-scrolled .nav-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:none;color:#fff}
.logo:hover{color:#fff}
.logo-mark{width:24px;height:24px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:3px;flex:none}
.logo-mark i{display:block;border-radius:2px;background:var(--c-brand-line)}
.logo-mark i:nth-child(2){background:var(--c-accent)}
.logo-mark i:nth-child(3){grid-column:1 / span 2;background:rgba(255,255,255,.88)}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:15px;color:rgba(255,255,255,.82);transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-brand-line);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-toggle{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  color:#fff;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);
  transition:background-color .2s ease,transform .2s ease;
}
.search-toggle:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.search-toggle svg{width:17px;height:17px}
.nav-burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.28);color:#fff;place-items:center}
.nav-burger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-search{
  max-height:0;overflow:hidden;transition:max-height .2s ease;
  border-top:1px solid transparent;
}
.nav-search.is-open{max-height:88px;border-top-color:rgba(255,255,255,.12)}
.nav-search-inner{display:flex;gap:12px;padding:14px 32px;max-width:1200px;margin:0 auto}
.nav-search input{
  flex:1;height:44px;border-radius:10px;padding:0 16px;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
}
.nav-search input::placeholder{color:rgba(255,255,255,.6)}
.nav-search input:focus{outline:none;border-color:var(--c-brand-line);background:rgba(255,255,255,.18)}
.drawer{
  position:fixed;inset:0;z-index:100;background:rgba(23,19,37,.96);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  display:flex;flex-direction:column;padding:22px 20px 24px;transform:translateY(-100%);
  transition:transform .28s ease;visibility:hidden;
}
.drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head .logo-text{color:#fff}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:20px;line-height:1}
.drawer nav{display:flex;flex-direction:column;gap:4px}
.drawer nav a{
  color:#fff;font-size:18px;line-height:1;padding:16px 8px;border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer nav a.is-active{color:var(--c-brand-line)}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ============ page hero ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    radial-gradient(760px 420px at 88% 12%,rgba(18,166,127,.34),transparent 62%),
    linear-gradient(160deg,var(--c-dark) 0%,var(--c-dark-2) 78%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;opacity:.04;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:44px 44px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.16;mix-blend-mode:luminosity;
}
.hero-inner{position:relative;z-index:2;padding:150px 0 62px;max-width:900px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{opacity:.5}
.page-hero h1{
  font-size:clamp(30px,4.6vw,46px);line-height:1.22;font-weight:800;margin-bottom:16px;
}
.hero-lead{font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:26px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:rgba(255,255,255,.86)}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--c-brand-line);flex:none}
.hero-anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-anchors a{
  font-size:14px;padding:9px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.9);
  background:rgba(255,255,255,.06);transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.hero-anchors a:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff;transform:translateY(-2px)}

/* ============ sections ============ */
.section{padding:96px 0}
.section.alt{background:var(--c-bg-soft)}
.section-head{max-width:760px;margin-bottom:44px}
.section-title{
  position:relative;padding-left:16px;font-size:clamp(23px,3vw,32px);line-height:1.3;
  font-weight:700;color:var(--c-text);margin-bottom:14px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:20px;border-radius:2px;background:var(--c-brand-line);
}
.section-desc{color:var(--c-muted);font-size:16px;line-height:1.8}

/* ============ chips / stats ============ */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--c-muted);
  background:var(--c-card);border:1px solid var(--c-line);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.chip:hover{color:var(--c-brand);border-color:rgba(18,166,127,.45);transform:translateY(-2px)}
.chip.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff}
.chip.is-active:hover{color:#fff}
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:26px 28px;box-shadow:var(--shadow-1);margin-bottom:48px;
}
.stat{border-left:2px solid var(--c-brand-soft);padding-left:16px}
.stat:first-child{border-left-color:var(--c-brand-line)}
.stat b{display:block;font-size:34px;line-height:1.15;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums}
.stat:nth-child(2) b{color:var(--c-accent)}
.stat span{display:block;font-size:14px;color:var(--c-muted);margin-top:4px}

/* ============ timeline ============ */
.timeline{position:relative;padding-left:2px}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--c-brand-line),rgba(18,166,127,.12));border-radius:2px;
}
.tl-item{position:relative;padding-left:42px;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{
  position:absolute;left:0;top:26px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--c-brand-line);box-shadow:0 0 0 4px var(--c-bg);
}
.tl-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:24px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,166,127,.45)}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px}
.tl-date{font-size:14px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.tl-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1;
  background:var(--c-brand-soft);color:var(--c-brand);
}
.tl-tag.orange{background:rgba(255,122,69,.14);color:#C4501F}
.tl-tag.line{background:var(--c-bg-soft);color:var(--c-muted)}
.tl-card h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:10px}
.tl-card h3 a:hover{color:var(--c-brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.tl-card p{font-size:15.5px;color:var(--c-muted);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tl-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-brand)}
.tl-more::after{content:"→";transition:transform .2s ease}
.tl-more:hover{color:var(--c-brand-hover)}
.tl-more:hover::after{transform:translateX(3px)}
.tl-empty{
  display:none;text-align:center;padding:56px 24px;background:var(--c-card);
  border:1px dashed var(--c-line);border-radius:var(--radius-card);color:var(--c-muted);
}
.tl-empty.is-show{display:block}
.tl-empty b{display:block;font-size:17px;color:var(--c-text);margin-bottom:8px}

/* ============ highlight cards ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,166,127,.45)}
.info-card .thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--c-brand-soft),var(--c-bg-soft))}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.info-card:hover .thumb img{transform:scale(1.04)}
.info-card .body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.info-card .body h3{font-size:18.5px;line-height:1.45;font-weight:600;margin-bottom:10px}
.info-card .body p{font-size:15px;color:var(--c-muted);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--c-muted)}
.card-foot a{font-weight:600;color:var(--c-brand)}

/* ============ faq ============ */
.faq-split{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start}
.faq-aside h2{position:relative;padding-left:16px;font-size:clamp(23px,3vw,30px);line-height:1.3;margin-bottom:14px}
.faq-aside h2::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:20px;border-radius:2px;background:var(--c-brand-line)}
.faq-aside p{color:var(--c-muted);font-size:15.5px}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;line-height:1.55;color:var(--c-text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-brand)}
.faq-q .arrow{
  flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--c-line);color:var(--c-brand);font-size:13px;
  transition:transform .25s ease,border-color .2s ease,background-color .2s ease;
}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);background:var(--c-brand-soft);border-color:var(--c-brand-line)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 4px 24px;color:var(--c-muted);font-size:15.5px;line-height:1.88;max-width:720px}

/* ============ cross links ============ */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cross-card{
  display:flex;flex-direction:column;gap:10px;padding:26px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,166,127,.45)}
.cross-card .badge{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1;
  padding:7px 10px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand);
}
.cross-card h3{font-size:18px;font-weight:600;line-height:1.45}
.cross-card p{font-size:14.5px;color:var(--c-muted)}
.cross-card .go{margin-top:6px;font-size:14px;font-weight:600;color:var(--c-brand)}

/* ============ cta band ============ */
.cta-band{
  position:relative;color:#fff;overflow:hidden;
  background:
    radial-gradient(620px 360px at 12% 92%,rgba(255,122,69,.24),transparent 60%),
    linear-gradient(150deg,var(--c-dark) 0%,var(--c-dark-2) 100%);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.04;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-copy h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.78);font-size:16px}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-list li::before{content:"";flex:none;width:7px;height:7px;border-radius:2px;background:var(--c-brand-line);margin-top:11px}
.form-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-card);padding:28px;backdrop-filter:blur(6px);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:rgba(255,255,255,.78);margin-bottom:8px}
.field input,.field textarea,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:10px;color:#fff;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  transition:border-color .2s ease,background-color .2s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.5)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--c-brand-line);background:rgba(255,255,255,.16)}
.field input:focus-visible,.field textarea:focus-visible{outline:2px solid var(--c-brand-line);outline-offset:2px}
.field.is-error input,.field.is-error textarea{border-color:#FF6B6B;background:rgba(255,107,107,.12)}
.field .hint{display:none;font-size:13px;color:#FF9A9A;margin-top:6px}
.field.is-error .hint{display:block}
.form-msg{display:none;margin-top:14px;font-size:14.5px;padding:12px 14px;border-radius:10px}
.form-msg.is-ok{display:block;background:rgba(18,166,127,.18);border:1px solid rgba(18,166,127,.5);color:#CFF3E7}
.form-msg.is-bad{display:block;background:rgba(255,107,107,.14);border:1px solid rgba(255,107,107,.5);color:#FFD3D3}

/* ============ footer ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px}
.footer-brand .logo-text{color:#fff;font-size:19px;display:block;margin-bottom:14px}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--c-brand-line)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.75}
.footer-contact b{color:rgba(255,255,255,.9);font-weight:600;margin-right:8px}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.52);
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a{color:rgba(255,255,255,.62)}
.fb-links a:hover{color:var(--c-brand-line)}

/* ============ floating ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:999px;
  background:var(--c-accent);color:var(--c-ink);font-weight:700;font-size:15px;
  box-shadow:0 16px 32px -12px rgba(23,19,37,.5);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,height .2s ease,padding .2s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:var(--c-ink);filter:brightness(.95)}
.float-cta.is-mini{height:40px;padding:0 18px;font-size:14px}
.float-cta.is-mini .fc-label{display:none}
.to-top{
  position:fixed;right:28px;bottom:94px;z-index:79;
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:rgba(23,19,37,.86);color:#fff;border:1px solid rgba(255,255,255,.2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-brand);color:#fff}

/* ============ responsive ============ */
@media (max-width:1279px){
  .container{padding:0 28px}
  .nav-inner{gap:18px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-burger{display:grid}
  .hero-inner{padding:132px 0 54px}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:22px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .faq-split{grid-template-columns:1fr;gap:28px}
  .cross-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{padding-bottom:76px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .nav-inner{height:60px}
  .site-header.is-scrolled .nav-inner{height:60px}
  .nav-actions .btn{display:none}
  .nav-search-inner{padding:12px 20px}
  .hero-inner{padding:112px 0 46px}
  .page-hero h1{font-size:27px}
  .hero-lead{font-size:15.5px}
  .stat-row{grid-template-columns:1fr 1fr;padding:20px}
  .stat b{font-size:28px}
  .card-grid{grid-template-columns:1fr}
  .tl-item{padding-left:34px}
  .tl-card{padding:20px}
  .tl-card h3{font-size:18px}
  .faq-q{font-size:16px;padding:18px 2px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-cta{
    left:0;right:0;bottom:0;height:60px;border-radius:0;justify-content:space-between;
    padding:0 20px max(0px,env(safe-area-inset-bottom)) 20px;
    padding-top:0;
  }
  .float-cta .fc-label{display:inline;font-size:14px}
  .float-cta.is-mini{height:60px;padding:0 20px;font-size:15px}
  .float-cta.is-mini .fc-label{display:inline}
  .to-top{right:16px;bottom:76px;width:40px;height:40px}
}
@media (max-width:479px){
  .stat-row{grid-template-columns:1fr}
  .hero-anchors a{font-size:13px;padding:8px 13px}
}