/* roulang page: index */
:root{
  --brand:#0E3B33;
  --brand-hover:#1A5C50;
  --brand-soft:#E7EFEB;
  --accent:#F2A33C;
  --accent-soft:#FFE9C7;
  --bg:#F7F5F0;
  --bg-alt:#F1EEE6;
  --card:#FFFFFF;
  --line:#E2DED3;
  --line-2:#ECE8DE;
  --ink:#1F2421;
  --ink-2:#5C645F;
  --ink-3:#8B918C;
  --alert:#C0392B;
  --r-card:14px;
  --r-input:10px;
  --r-pill:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(14,59,51,.06);
  --sh-2:0 10px 28px rgba(14,59,51,.12);
  --sh-3:0 12px 32px rgba(14,59,51,.20);
  --nav-h:76px;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --bs-primary:#0E3B33;
  --bs-body-color:#1F2421;
  --bs-border-color:#E2DED3;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--nav-h);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,text-underline-offset .18s ease}
a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
button,input,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--brand);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.sec-head__left{position:relative;padding-left:18px}
.sec-head__left::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--accent);border-radius:2px}
.sec-num{font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--accent);display:block;margin-bottom:6px}
.sec-title{font-size:clamp(24px,3vw,32px);line-height:1.3}
.sec-desc{color:var(--ink-2);font-size:15px;max-width:640px;margin-top:10px}
.dots{width:44px;height:44px;background-image:radial-gradient(var(--line) 1.6px,transparent 1.6px);background-size:11px 11px;opacity:.9}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;padding:4px 10px;border-radius:var(--r-badge);background:var(--brand-soft);color:var(--brand)}
.eyebrow--accent{background:var(--accent-soft);color:#8A5306}
.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--alert);margin-right:6px;box-shadow:0 0 0 3px rgba(192,57,43,.16)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  height:var(--nav-h);
  background:#fff;
  border-bottom:1px solid var(--line-2);
  transition:box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,59,51,.09);border-color:transparent}
.nav-wrap{display:flex;align-items:center;gap:20px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--brand);color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16px;color:var(--brand);font-weight:800}
.brand-text span{font-size:11px;color:var(--ink-3);letter-spacing:.04em}
.search-box{
  flex:1 1 auto;max-width:460px;height:52px;
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 6px 0 18px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 6px 18px rgba(242,163,60,.22);transform:translateY(-1px)}
.search-box i{color:var(--ink-3);font-size:15px}
.search-box input{
  flex:1;border:0;outline:none;background:transparent;height:100%;
  font-size:15px;color:var(--ink);min-width:0;
}
.search-box input::placeholder{color:var(--ink-3)}
.search-btn{
  border:0;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;
  height:40px;padding:0 22px;font-size:14px;font-weight:600;
  cursor:pointer;transition:background .2s ease,transform .2s ease;white-space:nowrap;
}
.search-btn:hover{background:var(--brand-hover);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-shrink:0}
.nav-links a{
  display:block;position:relative;
  padding:8px 12px;font-size:14.5px;color:var(--ink-2);font-weight:500;border-radius:8px;
  transition:color .18s ease,background .18s ease;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);border-radius:2px;
}
.nav-burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--brand);cursor:pointer;font-size:17px;
}
.nav-drawer{
  position:fixed;top:var(--nav-h);left:0;right:0;z-index:1040;
  background:#fff;border-bottom:1px solid var(--line);
  padding:16px 20px 26px;
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
  box-shadow:0 16px 30px rgba(14,59,51,.10);
}
.nav-drawer.open{opacity:1;transform:none;pointer-events:auto}
.nav-drawer .search-box{max-width:100%;margin-bottom:14px}
.drawer-links{display:grid;gap:2px}
.drawer-links a{
  padding:12px 14px;border-radius:10px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line-2);
}
.drawer-links a:last-child{border-bottom:0}
.drawer-links a.active{background:var(--brand-soft);color:var(--brand);font-weight:700}
@media(min-width:992px){.nav-drawer{display:none}}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:var(--nav-h);z-index:1030;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-2);
}
.anchor-inner{display:flex;gap:6px;overflow-x:auto;padding:10px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  position:relative;padding:7px 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.anchor-inner a:hover{background:#fff;color:var(--brand);text-decoration:none}
.anchor-inner a.is-current{color:var(--brand);font-weight:700;background:#fff;box-shadow:var(--sh-1)}
.anchor-inner a.is-current::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;background:var(--accent);border-radius:2px;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#F7F5F0;
  background:linear-gradient(105deg,rgba(9,38,33,.86) 0%,rgba(14,59,51,.68) 55%,rgba(14,59,51,.52) 100%),
             url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:72px 0 78px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-80px;bottom:-60px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(242,163,60,.28),transparent 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;position:relative;z-index:2}
.hero h1{
  color:#fff;font-size:clamp(28px,4.4vw,44px);line-height:1.25;letter-spacing:-.02em;margin-bottom:18px;
}
.hero-sub{color:rgba(247,245,240,.86);font-size:17px;line-height:1.75;max-width:600px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#FFE9C7;font-size:13px;padding:6px 14px;border-radius:var(--r-pill);margin-bottom:20px;
}
.hero-search{
  margin-top:30px;display:flex;align-items:center;gap:8px;
  background:#fff;border-radius:var(--r-pill);padding:7px 7px 7px 22px;
  max-width:620px;box-shadow:var(--sh-3);
}
.hero-search i{color:var(--ink-3)}
.hero-search input{flex:1;min-width:0;border:0;outline:none;height:48px;font-size:16px;color:var(--ink);background:transparent}
.hero-search input::placeholder{color:var(--ink-3)}
.hero-search button{
  border:0;border-radius:var(--r-pill);background:var(--accent);color:#3A2405;
  height:48px;padding:0 28px;font-weight:700;font-size:15px;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.hero-search button:hover{background:#E89326;transform:translateY(-1px)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.btn-main,.btn-ghost-line{
  display:inline-flex;align-items:center;gap:8px;
  height:50px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-main{background:var(--brand);color:#fff}
.btn-main:hover{background:var(--brand-hover);color:#fff;transform:translateY(-2px);text-decoration:none}
.btn-ghost-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost-line:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;text-decoration:none;transform:translateY(-2px)}
.hero-panel{
  background:rgba(6,30,26,.55);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);
  padding:24px;
  backdrop-filter:blur(6px);
  box-shadow:var(--sh-3);
}
.hero-panel h2{color:#fff;font-size:15px;letter-spacing:.04em;margin-bottom:14px;font-weight:700}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.16);
  font-size:14px;color:rgba(247,245,240,.82);
}
.panel-row:last-of-type{border-bottom:0}
.panel-row b{font-family:var(--mono);color:#FFE9C7;font-size:15px;letter-spacing:.02em}
.panel-bar{height:6px;border-radius:var(--r-pill);background:rgba(255,255,255,.16);margin-top:16px;overflow:hidden}
.panel-bar span{display:block;height:100%;width:78%;background:linear-gradient(90deg,var(--accent),#FFD9A0);border-radius:var(--r-pill)}

/* ---------- 卖点 ---------- */
.feature-bigs{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-bottom:34px}
.feature-big{
  display:grid;grid-template-columns:170px 1fr;gap:22px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:box-shadow .24s ease,border-color .24s ease,transform .24s ease;
}
.feature-big:hover{box-shadow:var(--sh-2);border-color:#CFE0D9;transform:translateY(-3px)}
.feature-big img{border-radius:10px;aspect-ratio:4/3;object-fit:cover;width:100%}
.feature-big h3{font-size:19px;line-height:1.45;margin-bottom:9px}
.feature-big p{font-size:14.5px;color:var(--ink-2)}
.feature-lines{border-top:1px solid var(--line)}
.feature-line{
  display:flex;align-items:flex-start;gap:18px;
  padding:22px 8px;border-bottom:1px solid var(--line-2);
  transition:background .2s ease;
}
.feature-line:hover{background:var(--brand-soft)}
.feature-line .fl-icon{
  flex-shrink:0;width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:18px;border:1px solid #D6E5DF;
}
.feature-line h3{font-size:17px;margin-bottom:4px}
.feature-line p{font-size:14.5px;color:var(--ink-2)}
.feature-line .fl-num{margin-left:auto;font-family:var(--mono);font-size:13px;color:var(--ink-3);padding-top:4px}

/* ---------- 演示 ---------- */
.demo-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.browser-frame{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);
}
.browser-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line-2);background:#FAF9F5}
.browser-bar i{width:10px;height:10px;border-radius:50%;background:var(--line);display:inline-block}
.browser-bar i:first-child{background:#E2A08A}
.browser-url{
  margin-left:10px;flex:1;height:26px;border-radius:var(--r-pill);background:var(--bg-alt);
  font-family:var(--mono);font-size:11.5px;color:var(--ink-3);display:flex;align-items:center;padding:0 12px;
  overflow:hidden;white-space:nowrap;
}
.browser-frame img{aspect-ratio:16/10;object-fit:cover;width:100%}
.steps{display:grid;gap:6px}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;
  padding:18px 0;border-bottom:1px dashed var(--line);
}
.step:last-child{border-bottom:0}
.step-num{
  font-family:var(--mono);font-size:15px;font-weight:700;color:var(--brand);
  background:#fff;border:1px solid var(--line);border-radius:10px;
  width:56px;height:44px;display:flex;align-items:center;justify-content:center;
}
.step h3{font-size:16.5px;margin-bottom:4px}
.step p{font-size:14px;color:var(--ink-2)}

/* ---------- 证据 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:44px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);border-top:3px solid var(--brand);
}
.stat:nth-child(2){border-top-color:var(--accent)}
.stat:nth-child(3){border-top-color:var(--alert)}
.stat:nth-child(4){border-top-color:#3E7C6C}
.stat-num{font-family:var(--mono);font-size:clamp(28px,3.4vw,38px);font-weight:700;color:var(--brand);line-height:1.1}
.stat-num small{font-size:15px;margin-left:3px;color:var(--ink-2);font-weight:500}
.stat-label{margin-top:8px;font-size:14px;color:var(--ink-2)}
.review-track{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 20px;
  scroll-snap-type:x mandatory;
}
.review-track::-webkit-scrollbar{height:6px}
.review-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:var(--r-pill)}
.review-card{
  flex:0 0 330px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.review-card .quote{font-size:15px;color:var(--ink);line-height:1.8}
.review-meta{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2)}
.avatar{
  width:38px;height:38px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0;
}
.review-meta b{display:block;font-size:14px;color:var(--ink)}
.review-meta span{font-size:12.5px;color:var(--ink-3)}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 28px;display:flex;flex-direction:column;
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.price-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:#CFE0D9}
.price-card--featured{border-top:4px solid var(--accent);box-shadow:var(--sh-2);position:relative}
.price-card--featured::before{
  content:"推荐";position:absolute;top:-1px;right:24px;
  background:var(--accent);color:#3A2405;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:0 0 var(--r-badge) var(--r-badge);
}
.price-name{font-size:18px;color:var(--brand);font-weight:700}
.price-desc{font-size:13.5px;color:var(--ink-2);margin-top:6px;min-height:44px}
.price-value{margin:18px 0 6px;font-family:var(--mono);font-size:32px;font-weight:700;color:var(--brand);line-height:1.2}
.price-value span{font-size:14px;color:var(--ink-2);font-family:var(--font);margin-left:4px}
.price-list{margin:18px 0 26px;display:grid;gap:10px}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2)}
.price-list i{color:var(--brand);font-size:13px;margin-top:5px}
.price-card .btn-main{width:100%;justify-content:center;height:48px;margin-top:auto}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:48px;margin-top:auto;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--brand);color:var(--brand);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-outline-brand:hover{background:var(--brand-soft);transform:translateY(-2px);text-decoration:none;color:var(--brand)}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:#CFE0D9}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.badge{
  display:inline-block;font-size:12px;line-height:1.5;padding:3px 9px;border-radius:var(--r-badge);
  background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.badge--accent{background:var(--accent-soft);color:#8A5306}
.news-date{font-family:var(--mono);font-size:12.5px;color:var(--ink-3)}
.news-body h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.news-body h3 a{color:var(--brand)}
.news-body h3 a:hover{color:var(--accent)}
.news-excerpt{
  font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--brand)}
.news-more i{transition:transform .2s ease}
.news-card:hover .news-more i{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state i{font-size:30px;color:var(--ink-3);margin-bottom:14px;display:block}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px}
.empty-state a{
  display:inline-flex;align-items:center;height:44px;padding:0 24px;border-radius:var(--r-pill);
  border:1px solid var(--brand);color:var(--brand);font-weight:700;font-size:14.5px;
}
.empty-state a:hover{background:var(--brand-soft);text-decoration:none;color:var(--brand)}

/* ---------- FAQ ---------- */
.accordion{--bs-accordion-border-color:var(--line);--bs-accordion-border-radius:var(--r-card);--bs-accordion-inner-border-radius:var(--r-card)}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:var(--r-card)!important;
  margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:#fff;color:var(--brand);font-weight:700;font-size:16px;
  padding:20px 22px;border-radius:var(--r-card)!important;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand)}
.accordion-button::after{
  background-image:none;
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:13px;color:var(--accent);
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:none}
.accordion-body{padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.85}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--accent)!important;box-shadow:var(--sh-1)}

/* ---------- CTA ---------- */
.cta-wrap{
  background:linear-gradient(115deg,#0B322B 0%,#0E3B33 60%,#14584C 100%);
  border-radius:20px;padding:52px;color:#F7F5F0;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;
  box-shadow:var(--sh-3);
}
.cta-wrap h2{color:#fff;font-size:clamp(23px,2.8vw,30px);line-height:1.35;margin-bottom:14px}
.cta-wrap p{color:rgba(247,245,240,.82);font-size:15px}
.cta-contact{margin-top:26px;display:grid;gap:12px}
.cta-contact div{display:flex;align-items:center;gap:12px;font-size:14.5px;color:rgba(247,245,240,.9)}
.cta-contact i{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#FFE9C7}
.cta-form{
  background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-3);
}
.cta-form h3{font-size:17px;margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:7px;font-weight:600}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);
  background:#FCFBF8;padding:0 14px;font-size:15px;color:var(--ink);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input{height:48px}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,59,51,.10);background:#fff}
.form-tip{font-size:12.5px;color:var(--ink-3);margin-top:12px}
.form-ok{
  display:none;margin-top:14px;font-size:13.5px;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-input);padding:10px 14px;
}
.form-ok.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand);color:rgba(247,245,240,.78);padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:46px}
.site-footer h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:18px;letter-spacing:.03em}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff}
.footer-brand b{color:#fff;font-size:16px}
.footer-brand span{display:block;font-size:11.5px;color:rgba(247,245,240,.6)}
.site-footer p{font-size:14px;line-height:1.85}
.footer-links{display:grid;gap:11px}
.footer-links a{color:rgba(247,245,240,.78);font-size:14px}
.footer-links a:hover{color:var(--accent);text-decoration:none}
.footer-contact{display:grid;gap:12px;font-size:14px}
.footer-contact i{color:var(--accent);width:18px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(247,245,240,.62);
}
.footer-bottom a{color:rgba(247,245,240,.62)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:32px;z-index:1055;
  display:flex;flex-direction:column;gap:10px;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.show{opacity:1;transform:none;pointer-events:auto}
.fc-btn{
  display:flex;align-items:center;gap:9px;
  height:46px;padding:0 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--brand);
  font-size:14px;font-weight:700;box-shadow:var(--sh-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.fc-btn:hover{background:var(--brand);color:#fff;transform:translateY(-2px);text-decoration:none}
.fc-btn--accent{background:var(--accent);color:#3A2405;border-color:var(--accent)}
.fc-btn--accent:hover{background:#E89326;color:#3A2405}

/* ---------- 响应式 ---------- */
@media(max-width:1199.98px){
  .nav-links a{padding:8px 9px;font-size:14px}
}
@media(max-width:991.98px){
  :root{--nav-h:64px}
  .nav-links,.nav-wrap>.search-box{display:none}
  .nav-burger{display:flex;align-items:center;justify-content:center}
  .section{padding:64px 0}
  .hero{padding:52px 0 62px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .feature-bigs{grid-template-columns:1fr}
  .demo-grid{grid-template-columns:1fr;gap:32px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-wrap{grid-template-columns:1fr;padding:40px 32px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:64px}
}
@media(max-width:575.98px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .brand-text span{display:none}
  .hero-search{flex-direction:column;align-items:stretch;border-radius:18px;padding:14px;gap:12px}
  .hero-search input{height:44px;padding:0 6px}
  .hero-search button{height:46px;width:100%}
  .hero-cta .btn-main,.hero-cta .btn-ghost-line{flex:1 1 100%;justify-content:center}
  .feature-big{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .review-card{flex:0 0 84%}
  .cta-wrap{padding:30px 22px;border-radius:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .float-cta{
    right:12px;left:12px;bottom:12px;flex-direction:row;justify-content:center;gap:8px;
  }
  .fc-btn{flex:1;justify-content:center;padding:0 10px;font-size:13px;height:48px}
  .fc-btn span{display:inline}
}

/* roulang page: category1 */
:root{
  --ink:#0E3B33;
  --ink-hover:#1A5C50;
  --ink-soft:#E7EFEB;
  --amber:#F2A33C;
  --amber-soft:#FFE9C7;
  --paper:#F7F5F0;
  --band:#F1EEE6;
  --card:#FFFFFF;
  --line:#E2DED3;
  --divider:#ECE8DE;
  --text:#1F2421;
  --muted:#5C645F;
  --weak:#8B918C;
  --alert:#C0392B;
  --r-card:14px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(14,59,51,.06);
  --sh-2:0 10px 28px rgba(14,59,51,.12);
  --sh-3:0 12px 32px rgba(14,59,51,.20);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bs-primary:#0E3B33;
  --bs-body-color:#1F2421;
  --bs-border-color:#E2DED3;
  --bs-link-color:#0E3B33;
  --bs-link-hover-color:#F2A33C;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,text-underline-offset .2s ease}
a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(14,59,51,.08)}
.nav-wrap{
  display:flex;align-items:center;gap:22px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--ink);color:#fff;
  font-family:var(--mono);font-size:16px;font-weight:700;letter-spacing:.5px;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:15px;color:var(--ink);font-weight:700}
.brand-text span{font-size:12px;color:var(--weak);letter-spacing:.6px}
.search-box{
  flex:1 1 auto;display:flex;align-items:center;gap:8px;
  height:52px;padding:0 6px 0 18px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  max-width:520px;
}
.search-box:focus-within{
  border-color:var(--amber);
  box-shadow:0 0 0 3px rgba(242,163,60,.18),var(--sh-2);
  transform:translateY(-1px);
}
.search-box i{color:var(--weak);font-size:15px}
.search-box input{
  flex:1 1 auto;border:0;background:transparent;height:44px;
  font-size:14px;outline:none;min-width:0;
}
.search-box input::placeholder{color:var(--weak)}
.search-btn{
  flex:0 0 auto;border:0;border-radius:999px;
  background:var(--ink);color:#fff;font-size:14px;font-weight:600;
  padding:10px 20px;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--ink-hover);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.nav-links a{
  display:inline-block;padding:9px 12px;border-radius:8px;
  font-size:14px;color:var(--text);white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.nav-links a:hover{color:var(--ink);background:var(--ink-soft);text-decoration:none}
.nav-links a.active{color:var(--ink);font-weight:700;border-bottom-color:var(--amber);border-radius:8px 8px 0 0}
.nav-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:10px;background:#fff;color:var(--ink);cursor:pointer;
}
.nav-burger:hover{background:var(--ink-soft)}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;color:#F7F5F0;
  background-image:linear-gradient(rgba(14,59,51,.82),rgba(14,59,51,.82)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:44px 0 46px;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:24px;top:24px;width:64px;height:64px;
  background-image:radial-gradient(rgba(242,163,60,.75) 1.5px,transparent 1.6px);
  background-size:8px 8px;opacity:.6;pointer-events:none;
}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(247,245,240,.7);margin-bottom:16px}
.breadcrumb-nav a{color:rgba(247,245,240,.82)}
.breadcrumb-nav a:hover{color:var(--amber)}
.breadcrumb-nav .sep{opacity:.5}
.breadcrumb-nav .cur{color:#fff;font-weight:600}
.cat-hero h1{
  color:#fff;font-size:clamp(28px,4.4vw,44px);line-height:1.25;
  max-width:900px;margin-bottom:14px;
}
.cat-hero .lead{
  max-width:720px;color:rgba(247,245,240,.88);font-size:16px;margin-bottom:22px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.hero-meta .chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(247,245,240,.28);
  font-size:13px;color:#F7F5F0;
}
.hero-meta .chip i{color:var(--amber);font-size:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* ---------- buttons ---------- */
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  border-radius:999px;padding:12px 26px;text-decoration:none;
}
.btn-main{background:var(--ink);color:#fff;border:1px solid var(--ink);box-shadow:var(--sh-1)}
.btn-main:hover{background:var(--ink-hover);border-color:var(--ink-hover);color:#fff;transform:translateY(-2px);text-decoration:none;box-shadow:var(--sh-2)}
.btn-line{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-line:hover{background:var(--ink-soft);color:var(--ink);transform:translateY(-2px);text-decoration:none}
.cat-hero .btn-line{color:#F7F5F0;border-color:rgba(247,245,240,.6)}
.cat-hero .btn-line:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-ghost{background:transparent;border:0;color:var(--ink);padding:8px 4px}
.btn-ghost:hover{color:var(--amber);text-decoration:none}
.btn-amber{background:var(--amber);border-color:var(--amber);color:#3A2606}
.btn-amber:hover{background:#E2932B;border-color:#E2932B;color:#3A2606;transform:translateY(-2px);text-decoration:none}

/* ---------- anchor bar ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--divider);
  backdrop-filter:saturate(180%) blur(6px);
}
.anchor-bar .inner{
  display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;
  padding:10px 0;
}
.anchor-bar .inner::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;padding:8px 14px;border-radius:8px;
  font-size:14px;color:var(--muted);white-space:nowrap;
  border-bottom:2px solid transparent;
}
.anchor-bar a:hover{color:var(--ink);background:var(--ink-soft);text-decoration:none}
.anchor-bar a.on{color:var(--ink);font-weight:700;border-bottom-color:var(--amber)}

/* ---------- section frame ---------- */
.section{padding:88px 0}
.section.tint{background:var(--band)}
.section.white{background:#fff}
.section-head{margin-bottom:40px;max-width:760px}
.sec-num{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:13px;color:var(--amber);
  letter-spacing:1px;margin-bottom:10px;
}
.sec-title{
  position:relative;padding-left:16px;
  font-size:clamp(24px,3vw,32px);line-height:1.3;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--amber);border-radius:2px;
}
.sec-desc{margin-top:12px;color:var(--muted);font-size:15px;max-width:720px}

/* ---------- list layout (catalog style) ---------- */
.list-layout{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:start}
.toc{position:sticky;top:150px}
.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:18px 18px 14px;
}
.toc-card h3{font-size:14px;letter-spacing:1px;color:var(--weak);font-weight:700;margin-bottom:12px;font-family:var(--mono)}
.toc-card a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:8px;font-size:14px;color:var(--text);
  border-left:2px solid transparent;
}
.toc-card a:hover{background:var(--ink-soft);color:var(--ink);text-decoration:none;border-left-color:var(--amber)}
.toc-card a .n{font-family:var(--mono);font-size:12px;color:var(--amber);min-width:20px}

.entry-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.entry-row{
  display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:start;
  padding:22px 24px;border-bottom:1px solid var(--divider);
  transition:background .2s ease;
}
.entry-row:last-child{border-bottom:0}
.entry-row:hover{background:#F4F8F6}
.entry-num{
  font-family:var(--mono);font-size:20px;font-weight:700;color:var(--ink);
  line-height:1.4;opacity:.85;
}
.entry-body h3{font-size:17px;margin-bottom:6px;line-height:1.5}
.entry-body h3 a{color:var(--ink)}
.entry-body p{font-size:14px;color:var(--muted);margin-bottom:10px}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;line-height:1.5;font-weight:600;
  background:var(--ink-soft);color:var(--ink);
}
.badge-amber{background:var(--amber-soft);color:#7A4A08}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted)}
.time-note{font-size:12px;color:var(--weak);font-family:var(--mono)}
.entry-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.dot-live{background:#2E9E6B;box-shadow:0 0 0 4px rgba(46,158,107,.14)}
.dot-warn{background:var(--amber);box-shadow:0 0 0 4px rgba(242,163,60,.18)}
.dot-hold{background:var(--alert);box-shadow:0 0 0 4px rgba(192,57,43,.14)}
.entry-side .arrow{
  width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);transition:all .2s ease;
}
.entry-row:hover .entry-side .arrow{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateX(2px)}

/* ---------- dark panel ---------- */
.dark-panel{
  background:#0E3B33;color:#E9F1ED;border-radius:var(--r-card);
  padding:38px 34px;box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;
}
.dark-panel h3{color:#fff;font-size:22px;margin-bottom:12px}
.dark-panel p{color:rgba(233,241,237,.78);font-size:15px;margin-bottom:0}
.status-strip{display:flex;flex-direction:column;gap:12px}
.status-item{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(242,163,60,.24);
  border-radius:10px;padding:12px 16px;
}
.status-item .k{font-family:var(--mono);font-size:13px;color:var(--amber);min-width:54px}
.status-item .v{font-size:14px;color:#E9F1ED}
.status-item .bar{flex:1 1 auto;height:4px;border-radius:2px;background:rgba(255,255,255,.14);overflow:hidden}
.status-item .bar i{display:block;height:100%;background:var(--amber);border-radius:2px}

/* ---------- scene grid ---------- */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.scene-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);position:relative}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-media .tagline{
  position:absolute;left:16px;bottom:16px;
  background:rgba(14,59,51,.86);color:#F7F5F0;
  border-radius:999px;padding:7px 16px;font-size:13px;
  border:1px solid rgba(242,163,60,.4);
}
.scene-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--divider);
}
.scene-list li:last-child{border-bottom:0}
.scene-list .ic{
  flex:0 0 auto;width:38px;height:38px;border-radius:10px;
  background:var(--ink-soft);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.scene-list b{display:block;color:var(--ink);font-size:16px;margin-bottom:2px}
.scene-list span{font-size:14px;color:var(--muted)}

/* ---------- check cards ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DCD4}
.check-card .idx{font-family:var(--mono);font-size:13px;color:var(--amber);letter-spacing:1px}
.check-card h3{font-size:18px;margin:10px 0 8px}
.check-card p{font-size:14px;color:var(--muted);margin:0}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.faq-wrap .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-wrap .accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;
  padding:20px 22px;border-radius:0;box-shadow:none;
  border-left:3px solid transparent;
}
.faq-wrap .accordion-button:not(.collapsed){
  background:#F4F8F6;color:var(--ink);border-left-color:var(--amber);box-shadow:none;
}
.faq-wrap .accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid var(--amber);outline-offset:-3px}
.faq-wrap .accordion-body{padding:2px 22px 22px;color:var(--muted);font-size:15px}

/* ---------- cta + form ---------- */
.cta-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:44px 40px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;
}
.cta-block h2{font-size:clamp(24px,3vw,30px);margin-bottom:12px}
.cta-block .note{color:var(--muted);font-size:15px}
.cta-side{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.cta-side .row-line{display:flex;gap:12px;align-items:center;font-size:15px;color:var(--text)}
.cta-side .row-line i{color:var(--amber);width:18px;text-align:center}
.form-grid{display:grid;gap:14px}
.form-grid .field{display:flex;flex-direction:column;gap:6px}
.form-grid label{font-size:13px;color:var(--muted);font-weight:600}
.form-grid input,.form-grid textarea,.form-grid select{
  height:48px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 14px;background:#fff;font-size:14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-grid textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-grid input:focus,.form-grid textarea:focus,.form-grid select:focus{
  border-color:var(--ink);box-shadow:0 0 0 3px rgba(14,59,51,.10);
}
.form-hint{font-size:12px;color:var(--weak);margin:0}

/* ---------- footer ---------- */
.site-footer{background:#0E3B33;color:#DCE7E2;padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);border:1px solid rgba(242,163,60,.5);color:#fff}
.footer-brand b{display:block;color:#fff;font-size:15px}
.footer-brand span{display:block;font-size:12px;color:rgba(220,231,226,.6);letter-spacing:.6px}
.site-footer p{font-size:14px;color:rgba(220,231,226,.72);margin:0}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(220,231,226,.78);font-size:14px}
.footer-links a:hover{color:var(--amber);text-decoration:none}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(220,231,226,.78)}
.footer-contact i{color:var(--amber);width:18px;text-align:center;margin-right:6px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(220,231,226,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(220,231,226,.6);
}
.footer-bottom a{color:rgba(220,231,226,.8)}
.footer-bottom a:hover{color:var(--amber);text-decoration:none}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:1050;
  display:flex;flex-direction:column;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta a{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);color:var(--ink);
  border-radius:999px;padding:11px 18px;font-size:14px;font-weight:600;
  box-shadow:var(--sh-3);
}
.float-cta a:hover{background:var(--ink);color:#fff;border-color:var(--ink);text-decoration:none}
.float-cta a.accent{background:var(--amber);border-color:var(--amber);color:#3A2606}
.float-cta a.accent:hover{background:#E2932B;border-color:#E2932B;color:#3A2606}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-links a{padding:9px 9px;font-size:13px}
  .search-box{max-width:420px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .nav-wrap{flex-wrap:wrap;gap:14px;padding:12px 0;min-height:auto}
  .search-box{order:3;max-width:100%;flex:1 1 100%}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  .nav-links{
    display:none;order:4;flex:1 1 100%;flex-direction:column;align-items:stretch;gap:2px;
    border-top:1px solid var(--divider);padding-top:10px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 10px;border-bottom:1px solid var(--divider);border-radius:8px}
  .nav-links a.active{border-bottom-color:var(--amber)}
  .list-layout{grid-template-columns:1fr;gap:26px}
  .toc{position:static}
  .dark-panel{grid-template-columns:1fr;padding:30px 24px}
  .scene-grid{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr 1fr}
  .cta-block{grid-template-columns:1fr;padding:32px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .anchor-bar{top:0}
}
@media (max-width:575px){
  .container{padding-left:18px;padding-right:18px}
  .section{padding:52px 0}
  .cat-hero{padding:34px 0 36px}
  .entry-row{grid-template-columns:42px 1fr;gap:12px;padding:18px 16px}
  .entry-num{font-size:17px}
  .entry-side{grid-column:2;flex-direction:row;align-items:center;justify-content:flex-start}
  .check-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn-main,.hero-actions .btn-line{width:100%}
  .float-cta{
    left:0;right:0;bottom:0;flex-direction:row;gap:0;
    background:#fff;border-top:1px solid var(--line);padding:8px 10px;
    justify-content:space-between;border-radius:0;
  }
  .float-cta a{box-shadow:none;border:0;padding:10px 12px;font-size:13px}
  body{padding-bottom:64px}
}

/* roulang page: article */
:root{
  --brand:#0E3B33;
  --brand-hover:#1A5C50;
  --brand-soft:#E7EFEB;
  --accent:#F2A33C;
  --accent-soft:#FFE9C7;
  --danger:#C0392B;
  --bg:#F7F5F0;
  --bg-alt:#F1EEE6;
  --card:#FFFFFF;
  --line:#E2DED3;
  --line-soft:#ECE8DE;
  --text:#1F2421;
  --text-2:#5C645F;
  --text-3:#8B918C;
  --r-card:14px;
  --r-input:10px;
  --r-pill:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(14,59,51,.06);
  --sh-2:0 10px 28px rgba(14,59,51,.12);
  --sh-3:0 12px 32px rgba(14,59,51,.20);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
a:hover{color:var(--accent);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--brand);font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(14,59,51,.09);}
.nav-wrap{display:flex;align-items:center;gap:18px;height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--brand);color:#fff;
  font-weight:700;font-size:15px;letter-spacing:.6px;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:15px;color:var(--brand);font-weight:700;}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.6px;}

.search-box{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:500px;margin:0 auto;
  height:52px;padding:0 6px 0 18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.search-box:focus-within{
  border-color:var(--accent);
  box-shadow:0 6px 20px rgba(242,163,60,.22);
  transform:translateY(-1px);
}
.search-box i{color:var(--text-3);font-size:15px;}
.search-box input{
  flex:1 1 auto;min-width:0;height:100%;
  border:0;outline:0;background:transparent;
  font-size:14.5px;padding:0 12px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3);}
.search-btn{
  flex:0 0 auto;height:40px;padding:0 22px;
  border:0;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  cursor:pointer;transition:background .2s ease;
}
.search-btn:hover{background:var(--brand-hover);}

.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.nav-links a{
  display:inline-block;padding:8px 12px;border-radius:auto;
  font-size:14.5px;color:var(--text-2);font-weight:500;
  border-bottom:2px solid transparent;
}
.nav-links a:hover{color:var(--brand);border-bottom-color:var(--accent);}
.nav-links a.active{color:var(--brand);font-weight:700;border-bottom-color:var(--accent);}

.nav-burger{
  display:none;flex:0 0 auto;
  width:42px;height:42px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;color:var(--brand);
  cursor:pointer;font-size:17px;
}
.nav-burger:hover{background:var(--brand-soft);}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;color:#F7F5F0;
  padding:52px 0 46px;
  background-image:linear-gradient(100deg,rgba(14,59,51,.94),rgba(14,59,51,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;right:6%;top:26px;width:44px;height:44px;opacity:.35;
  background-image:radial-gradient(rgba(255,233,199,.9) 1.4px,transparent 1.5px);
  background-size:11px 11px;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(247,245,240,.72);margin-bottom:18px;
}
.crumb a{color:rgba(247,245,240,.72);}
.crumb a:hover{color:var(--accent);}
.crumb span{color:rgba(247,245,240,.38);}
.crumb em{font-style:normal;color:#fff;font-weight:600;}
.article-title{
  color:#fff;font-size:clamp(26px,3.6vw,40px);line-height:1.32;
  max-width:900px;margin-bottom:20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;
  font-size:13.5px;color:rgba(247,245,240,.82);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .meta-item i{color:var(--accent);}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-badge);
  background:var(--accent-soft);color:#7A4A07;
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.red-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  background:#E8543F;box-shadow:0 0 0 3px rgba(232,84,63,.22);
}

/* ============ 文章主体 ============ */
.article-main{padding:48px 0 72px;}
.article-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:36px;
  box-shadow:var(--sh-1);
}
.article-cover{
  border-radius:12px;overflow:hidden;margin:0 0 28px;
  border:1px solid var(--line-soft);
}
.article-cover img{width:100%;height:280px;object-fit:cover;}

.article-body{font-size:16px;line-height:1.9;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,25px);line-height:1.45;
  margin:2em 0 .8em;padding-left:16px;color:var(--brand);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--accent);
}
.article-body h3{font-size:19px;line-height:1.5;margin:1.7em 0 .6em;color:var(--brand);}
.article-body h4{font-size:16.5px;margin:1.4em 0 .5em;color:var(--brand);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.45em;}
.article-body ul li{list-style:disc;margin:.4em 0;}
.article-body ol li{list-style:decimal;margin:.4em 0;}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;
  background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 10px 10px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.3em 0;}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{font-size:14px;color:var(--text-3);text-align:center;margin-top:.6em;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--bg-alt);color:var(--brand);font-weight:600;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent);}
.article-body hr{border:0;border-top:1px solid var(--line-soft);margin:2em 0;}
.article-body code{
  font-family:var(--mono);font-size:14px;
  background:var(--bg-alt);padding:2px 6px;border-radius:5px;color:var(--brand);
}

.empty-state{
  text-align:center;padding:64px 16px;
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:24px;
}
.empty-state h2{font-size:20px;margin-bottom:8px;}
.empty-state p{color:var(--text-2);font-size:14.5px;margin-bottom:22px;}

/* 标签与文末 */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line-soft);
  font-size:13.5px;color:var(--text-3);
}
.tag{
  display:inline-block;padding:5px 12px;border-radius:var(--r-badge);
  background:var(--bg-alt);border:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);
}
.tag:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);}

.foot-nav{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;margin-top:24px;
}
.foot-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--bg-alt);font-size:14px;color:var(--text-2);
}
.foot-nav a:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);}
.foot-nav a i{color:var(--accent);}

/* 相关推荐卡 */
.related-block{margin-top:56px;}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.block-head .bh-left{position:relative;padding-left:16px;}
.block-head .bh-left::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--accent);
}
.block-head h2{font-size:clamp(20px,2.3vw,26px);line-height:1.35;}
.block-head .bh-num{
  font-family:var(--mono);font-size:12px;letter-spacing:2px;
  color:var(--text-3);display:block;margin-bottom:4px;
}
.block-head .bh-more{font-size:14px;color:var(--brand);white-space:nowrap;}
.block-head .bh-more:hover{color:var(--accent);}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand);}
.rel-card .rel-pic{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);}
.rel-card .rel-pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-pic img{transform:scale(1.05);}
.rel-card .rel-body{padding:18px;}
.rel-card h3{font-size:16.5px;line-height:1.5;margin-bottom:8px;}
.rel-card h3 a{color:var(--brand);}
.rel-card h3 a:hover{color:var(--accent);}
.rel-card p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:12px;}
.rel-card .rel-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}

/* ============ 侧栏 ============ */
.side-stack{display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;margin-bottom:14px;color:var(--brand);
}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--accent);}

.toc-card{position:sticky;top:88px;}
.toc{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto;}
.toc-item{
  display:block;font-size:14px;color:var(--text-2);line-height:1.55;
  padding:7px 10px;border-left:2px solid var(--line);
}
.toc-item:hover{color:var(--brand);background:var(--brand-soft);border-left-color:var(--accent);}
.toc-item.lvl3{padding-left:22px;font-size:13px;color:var(--text-3);}
.toc-empty{font-size:13.5px;color:var(--text-3);}

.side-list li + li{border-top:1px solid var(--line-soft);}
.side-list a{
  display:flex;align-items:flex-start;gap:10px;
  padding:12px 2px;font-size:14px;line-height:1.6;color:var(--text-2);
}
.side-list a:hover{color:var(--brand);}
.side-list .idx{
  font-family:var(--mono);font-size:12px;color:var(--accent);
  font-weight:700;padding-top:2px;
}

.side-dark{
  background:linear-gradient(160deg,#0E3B33,#123F37);
  border-color:#0E3B33;color:rgba(247,245,240,.82);
}
.side-dark .side-title{color:#fff;}
.side-dark .side-title::before{background:var(--accent);}
.side-dark p{font-size:13.5px;line-height:1.75;margin-bottom:16px;}
.side-dark .stat-row{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;margin-bottom:16px;
}
.side-dark .stat{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:10px;padding:10px 12px;
}
.side-dark .stat b{
  display:block;font-family:var(--mono);font-size:18px;color:#fff;line-height:1.3;
}
.side-dark .stat span{font-size:11.5px;color:rgba(247,245,240,.6);}

/* ============ 按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--r-pill);font-size:14.5px;font-weight:600;
  cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  background:#fff;color:var(--brand);border:1px solid var(--brand);
  border-radius:var(--r-pill);font-size:14.5px;font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.btn-line:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-2px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;
  background:var(--accent);color:#3B2506;border:1px solid var(--accent);
  border-radius:var(--r-pill);font-size:14.5px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:#3B2506;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.btn-text:hover{color:var(--accent);gap:10px;}
.btn-block{width:100%;}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#0E3B33,#14493F);
  border-radius:18px;padding:48px;color:rgba(247,245,240,.86);
  margin-bottom:72px;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:220px;height:220px;
  border-radius:50%;background:radial-gradient(circle,rgba(242,163,60,.22),transparent 62%);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px);line-height:1.4;margin-bottom:12px;}
.cta-band p{max-width:640px;font-size:14.5px;line-height:1.85;margin-bottom:24px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
.cta-band .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.cta-band .btn-line:hover{background:rgba(255,255,255,.1);color:#fff;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:1040;
  display:flex;flex-direction:column;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta a{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:var(--r-pill);
  background:var(--card);border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:var(--brand);
  box-shadow:var(--sh-2);
}
.float-cta a:hover{border-color:var(--brand);color:var(--brand);transform:translateX(-3px);}
.float-cta a.primary{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--sh-3);}
.float-cta a.primary:hover{background:var(--brand-hover);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand);color:rgba(247,245,240,.78);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);}
.footer-brand b{display:block;color:#fff;font-size:15px;}
.footer-brand span{font-size:11.5px;color:rgba(247,245,240,.55);letter-spacing:.6px;}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(247,245,240,.7);}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:16px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:rgba(247,245,240,.75);}
.footer-links a:hover{color:var(--accent);}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:13.5px;}
.footer-contact div{display:flex;align-items:center;gap:9px;color:rgba(247,245,240,.75);}
.footer-contact i{color:var(--accent);width:16px;text-align:center;}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(247,245,240,.55);
}
.footer-bottom a{color:rgba(247,245,240,.7);}
.footer-bottom a:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .nav-links{
    position:absolute;left:0;right:0;top:var(--nav-h);
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 16px 30px rgba(14,59,51,.10);
    padding:10px 24px 18px;
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:13px 4px;border-bottom:1px solid var(--line-soft);border-radius:0;}
  .nav-links a:hover,.nav-links a.active{border-bottom-color:var(--line-soft);color:var(--brand);background:var(--brand-soft);padding-left:12px;border-radius:8px;}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center;}
  .search-box{max-width:none;margin:0;height:46px;}
  .brand-text{display:none;}
  .article-panel{padding:26px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .related-grid .rel-card:last-child{display:none;}
  .toc-card{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:34px 26px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .nav-wrap{gap:10px;height:64px;}
  :root{--nav-h:64px;}
  .search-box{height:42px;padding-left:14px;}
  .search-box input{font-size:13.5px;padding:0 8px;}
  .search-btn{height:34px;padding:0 14px;font-size:13px;}
  .brand-mark{width:34px;height:34px;font-size:13.5px;}
  .article-hero{padding:36px 0 32px;}
  .article-main{padding:28px 0 48px;}
  .article-panel{padding:20px;}
  .article-cover img{height:180px;}
  .related-grid{grid-template-columns:1fr;}
  .related-grid .rel-card:last-child{display:block;}
  .foot-nav{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .float-cta{
    left:0;right:0;bottom:0;flex-direction:row;justify-content:space-between;
    gap:0;padding:8px 12px;background:rgba(255,255,255,.97);
    border-top:1px solid var(--line);transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta a{flex:1;justify-content:center;box-shadow:none;padding:10px 8px;font-size:13px;}
  body{padding-bottom:56px;}
}

/* roulang page: category2 */
:root{
  --ink:#0E3B33;
  --ink-hover:#1A5C50;
  --ink-soft:#E7EFEB;
  --amber:#F2A33C;
  --amber-soft:#FFE9C7;
  --bg:#F7F5F0;
  --bg-alt:#F1EEE6;
  --card:#FFFFFF;
  --border:#E2DED3;
  --line:#ECE8DE;
  --text:#1F2421;
  --muted:#5C645F;
  --faint:#8B918C;
  --danger:#C0392B;
  --r-card:14px;
  --r-input:10px;
  --r-pill:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(14,59,51,.06);
  --sh-2:0 10px 28px rgba(14,59,51,.12);
  --sh-3:0 12px 32px rgba(14,59,51,.20);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --gutter:24px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease;}
a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;letter-spacing:.2px;}
h1{font-size:clamp(28px,4.4vw,44px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,59,51,.09);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
  padding:12px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
}
.brand:hover{text-decoration:none;color:var(--ink);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:10px;
  background:var(--ink);
  color:#fff;
  font-weight:800;
  font-size:15px;
  letter-spacing:.5px;
  font-family:var(--mono);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:15px;font-weight:800;color:var(--ink);}
.brand-text span{font-size:11px;color:var(--faint);letter-spacing:.6px;}

.search-box{
  flex:1 1 auto;
  display:flex;
  align-items:center;
  gap:8px;
  height:52px;
  padding:0 6px 0 16px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.search-box:focus-within{
  border-color:var(--amber);
  box-shadow:0 8px 22px rgba(242,163,60,.22);
  transform:translateY(-1px);
}
.search-box i{color:var(--faint);font-size:15px;}
.search-box input[type="search"]{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  outline:none;
  font-size:15px;
  color:var(--text);
}
.search-box input::placeholder{color:var(--faint);}
.search-btn{
  flex:0 0 auto;
  height:40px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--ink);
  color:#fff;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.search-btn:hover{background:var(--ink-hover);transform:translateY(-1px);}
.search-btn:active{transform:translateY(0);}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:0 0 auto;
}
.nav-links a{
  display:block;
  padding:8px 12px;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  border-radius:var(--r-input);
  position:relative;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);background:var(--ink-soft);text-decoration:none;}
.nav-links a.active{color:var(--ink);font-weight:800;}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--amber);
  border-radius:2px;
}
.nav-burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:var(--r-input);
  background:#fff;
  color:var(--ink);
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.nav-burger:hover{background:var(--ink-soft);border-color:var(--ink);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  min-height:250px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(rgba(14,59,51,.74),rgba(14,59,51,.62)),url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  color:#F7F5F0;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:4px;
  background:linear-gradient(90deg,var(--amber) 0 30%,transparent 30% 100%);
  opacity:.85;
}
.page-hero .container{position:relative;z-index:2;padding-top:40px;padding-bottom:40px;}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(247,245,240,.78);
  margin-bottom:14px;
  flex-wrap:wrap;
}
.crumbs a{color:rgba(247,245,240,.78);}
.crumbs a:hover{color:var(--amber);}
.crumbs .sep{color:rgba(247,245,240,.42);}
.crumbs .now{color:#fff;font-weight:700;}
.page-hero h1{color:#fff;margin-bottom:14px;}
.page-hero .lead{
  max-width:760px;
  font-size:16px;
  line-height:1.85;
  color:rgba(247,245,240,.9);
  margin:0 0 22px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hero-tags span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-badge);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  font-size:12px;
  letter-spacing:.3px;
  color:#fff;
}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;
  top:72px;
  z-index:1020;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.anchor-bar .container{
  display:flex;
  gap:6px;
  overflow-x:auto;
  padding-top:10px;
  padding-bottom:10px;
  scrollbar-width:none;
}
.anchor-bar .container::-webkit-scrollbar{display:none;}
.anchor-bar a{
  flex:0 0 auto;
  padding:7px 14px;
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  border-radius:var(--r-pill);
  border:1px solid transparent;
  white-space:nowrap;
}
.anchor-bar a:hover{background:var(--ink-soft);color:var(--ink);text-decoration:none;}
.anchor-bar a.is-current{color:var(--ink);border-color:var(--amber);background:var(--amber-soft);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section.alt{background:var(--bg-alt);}
.section.white{background:#fff;}
.sec-head{max-width:820px;margin-bottom:40px;}
.sec-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:2px;
  color:var(--amber);
  font-weight:700;
  margin-bottom:12px;
}
.sec-head .eyebrow::before{
  content:"";
  width:4px;height:16px;
  background:var(--amber);
  border-radius:2px;
}
.sec-head h2{margin-bottom:12px;}
.sec-head p{color:var(--muted);font-size:15px;margin:0;}
.dots{
  display:grid;
  grid-template-columns:repeat(4,4px);
  gap:4px;
  justify-content:end;
  margin-bottom:10px;
}
.dots i{width:4px;height:4px;background:var(--amber);border-radius:50%;opacity:.5;}

/* ---------- 状态数据条 ---------- */
.data-strip{
  background:var(--ink);
  color:#F7F5F0;
  border-radius:var(--r-card);
  padding:28px 26px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  box-shadow:var(--sh-2);
}
.data-strip .item{border-left:2px solid rgba(242,163,60,.6);padding-left:16px;}
.data-strip .num{
  font-family:var(--mono);
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  color:#fff;
  line-height:1.2;
}
.data-strip .num small{font-size:13px;font-weight:500;color:rgba(247,245,240,.7);margin-left:3px;}
.data-strip .lbl{font-size:13px;color:rgba(247,245,240,.78);margin-top:4px;}

/* ---------- 筛选标签行 ---------- */
.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:#fff;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  box-shadow:var(--sh-1);
  transition:all .18s ease;
}
.filter-chip i{font-size:12px;color:var(--faint);}
.filter-chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2);}
.filter-chip.on{background:var(--ink);border-color:var(--ink);color:#fff;}
.filter-chip.on i{color:var(--amber);}

/* ---------- 对照卡 ---------- */
.compare-list{display:flex;flex-direction:column;gap:14px;}
.compare-item{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:0;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.compare-item:hover{
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
  border-color:#C6D8D0;
}
.compare-item .param{
  padding:22px 22px;
  background:var(--ink-soft);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.compare-item .param .no{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:1.5px;
  color:var(--amber);
  font-weight:700;
}
.compare-item .param h3{font-size:17px;}
.compare-item .param .unit{
  font-size:12px;
  color:var(--muted);
  font-family:var(--mono);
}
.compare-item .detail{padding:22px 24px;}
.compare-item .detail p{font-size:14.5px;color:var(--muted);margin:0 0 10px;}
.compare-item .detail p:last-of-type{margin-bottom:0;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.badge-soft{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:var(--ink-soft);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
}
.badge-amber{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:var(--amber-soft);
  color:#8A5A12;
  font-size:12px;
  font-weight:700;
}

/* ---------- 表格 ---------- */
.table-wrap{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow-x:auto;
}
table.speed{width:100%;border-collapse:collapse;min-width:720px;}
table.speed th,table.speed td{
  padding:16px 20px;
  text-align:left;
  font-size:14.5px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.speed thead th{
  background:var(--ink-soft);
  color:var(--ink);
  font-weight:800;
  font-size:13.5px;
  letter-spacing:.4px;
  border-bottom:1px solid var(--border);
}
table.speed tbody tr:hover{background:#FBFAF6;}
table.speed tbody tr:last-child td{border-bottom:0;}
table.speed td.key{font-weight:700;color:var(--ink);white-space:nowrap;}
table.speed .ok{color:var(--ink);font-weight:700;}
table.speed .warn{color:#8A5A12;font-weight:700;}

/* ---------- 场景卡 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.scene-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C6D8D0;}
.scene-card .ic{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--ink-soft);
  color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
  margin-bottom:16px;
}
.scene-card h3{font-size:17px;margin-bottom:8px;}
.scene-card p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- 流程 ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  counter-reset:step;
}
.flow-item{
  position:relative;
  background:#fff;
  border:1px solid var(--border);
  border-top:3px solid var(--amber);
  border-radius:var(--r-card);
  padding:26px 22px 24px;
  box-shadow:var(--sh-1);
}
.flow-item .step{
  font-family:var(--mono);
  font-size:26px;
  font-weight:700;
  color:var(--ink-soft);
  line-height:1;
  margin-bottom:10px;
}
.flow-item h3{font-size:17px;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- 图文区 ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
}
.split .media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--sh-2);
}
.split .media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.split ul.checks li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--muted);
}
.split ul.checks li:last-child{border-bottom:0;}
.split ul.checks i{color:var(--amber);margin-top:6px;font-size:13px;}
.split ul.checks b{color:var(--ink);}

/* ---------- FAQ ---------- */
.accordion-item{
  background:#fff;
  border:1px solid var(--border) !important;
  border-radius:var(--r-card) !important;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.accordion-button{
  background:#fff;
  color:var(--ink);
  font-weight:700;
  font-size:15.5px;
  padding:20px 22px;
  border:0;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  background:#fff;
  color:var(--ink);
  border-left:3px solid var(--amber);
}
.accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:12px;
  color:var(--amber);
  width:auto;height:auto;
  transform:none;
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{
  padding:0 22px 22px 25px;
  color:var(--muted);
  font-size:14.5px;
  line-height:1.9;
}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--ink);
  border-radius:18px;
  padding:48px 44px;
  color:#F7F5F0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  box-shadow:var(--sh-3);
}
.cta-block h2{color:#fff;margin-bottom:14px;}
.cta-block p{color:rgba(247,245,240,.82);font-size:15px;}
.cta-block .contact-line{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  color:#fff;
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.cta-block .contact-line i{color:var(--amber);width:18px;}
.cta-form{display:grid;gap:14px;}
.cta-form .field{display:flex;flex-direction:column;gap:6px;}
.cta-form label{font-size:13px;color:rgba(247,245,240,.8);font-weight:600;}
.cta-form input,.cta-form textarea{
  height:48px;
  padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;
  outline:none;
  transition:border-color .18s ease,background .18s ease;
}
.cta-form textarea{height:96px;padding:12px 14px;resize:vertical;}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:rgba(247,245,240,.45);}
.cta-form input:focus,.cta-form textarea:focus{
  border-color:var(--amber);
  background:rgba(255,255,255,.14);
}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--amber);
  color:#3B2708;
  font-size:15px;
  font-weight:800;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.btn-main:hover{background:#FFB955;transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,163,60,.35);text-decoration:none;color:#3B2708;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid var(--ink);
  background:transparent;
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  transition:background .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--ink-soft);transform:translateY(-2px);text-decoration:none;color:var(--ink);}
.btn-outline-light2{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.4);
  color:#fff;
  font-size:15px;
  font-weight:700;
  transition:background .18s ease,border-color .18s ease;
}
.btn-outline-light2:hover{background:rgba(255,255,255,.12);border-color:var(--amber);color:#fff;text-decoration:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(247,245,240,.82);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand b{display:block;color:#fff;font-size:15px;font-weight:800;}
.footer-brand span{display:block;font-size:11px;color:rgba(247,245,240,.6);letter-spacing:.6px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(247,245,240,.72);margin:0;}
.site-footer h4{color:#fff;font-size:14px;font-weight:800;margin-bottom:16px;letter-spacing:.4px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(247,245,240,.75);}
.footer-links a:hover{color:var(--amber);}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(247,245,240,.75);}
.footer-contact i{color:var(--amber);width:18px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,245,240,.6);
}
.footer-bottom a{color:rgba(247,245,240,.75);}
.footer-bottom a:hover{color:var(--amber);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:32px;
  z-index:1040;
  display:flex;
  flex-direction:column;
  gap:10px;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:all .3s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--border);
  box-shadow:var(--sh-3);
  font-size:14px;
  font-weight:700;
  color:var(--ink);
}
.float-cta a.primary{background:var(--ink);color:#fff;border-color:var(--ink);}
.float-cta a:hover{transform:translateX(-3px);text-decoration:none;color:var(--ink);}
.float-cta a.primary:hover{background:var(--ink-hover);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links a{padding:8px 9px;font-size:13.5px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:991.98px){
  :root{--gutter:20px;}
  .nav-wrap{flex-wrap:wrap;gap:12px;padding:10px 0 14px;}
  .search-box{order:3;flex:1 1 100%;height:48px;}
  .nav-links{
    display:none;
    order:4;
    flex:1 1 100%;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding-top:6px;
    border-top:1px solid var(--line);
  }
  body.nav-open .nav-links{display:flex;}
  .nav-links a{padding:12px 14px;font-size:15px;}
  .nav-links a.active{background:var(--ink-soft);}
  .nav-links a.active::after{display:none;}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .brand-text b{font-size:14px;}
  .anchor-bar{top:auto;position:relative;}
  .section{padding:64px 0;}
  .data-strip{grid-template-columns:repeat(2,1fr);padding:24px 20px;}
  .compare-item{grid-template-columns:1fr;}
  .compare-item .param{border-right:0;border-bottom:1px solid var(--border);}
  .split{grid-template-columns:1fr;gap:28px;}
  .cta-block{grid-template-columns:1fr;padding:36px 26px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:575.98px){
  body{font-size:15.5px;}
  .page-hero{min-height:230px;}
  .page-hero .container{padding-top:32px;padding-bottom:32px;}
  .section{padding:52px 0;}
  .scene-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .data-strip{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta{
    right:12px;left:12px;bottom:12px;
    flex-direction:row;
    justify-content:space-between;
    gap:8px;
  }
  .float-cta a{flex:1 1 0;justify-content:center;padding:0 10px;font-size:13px;}
  .filter-chip{padding:8px 14px;font-size:13px;}
}

/* roulang page: category4 */
:root{
  --ink:#0E3B33;
  --ink-hover:#1A5C50;
  --ink-soft:#E7EFEB;
  --amber:#F2A33C;
  --amber-soft:#FFE9C7;
  --bg:#F7F5F0;
  --bg-alt:#F1EEE6;
  --card:#FFFFFF;
  --line:#E2DED3;
  --divider:#ECE8DE;
  --text:#1F2421;
  --muted:#5C645F;
  --faint:#8B918C;
  --danger:#C0392B;
  --ok:#4FB08C;
  --r-card:14px;
  --r-input:10px;
  --r-badge:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,59,51,.06);
  --sh-2:0 10px 28px rgba(14,59,51,.12);
  --sh-3:0 12px 32px rgba(14,59,51,.20);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
a:hover{color:var(--ink-hover);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid var(--divider);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(14,59,51,.08);}
.nav-wrap{
  display:flex;align-items:center;gap:20px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:46px;height:38px;padding:0 8px;
  background:var(--ink);color:#fff;
  border-radius:8px;
  font-family:var(--mono);font-size:16px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:15px;color:var(--ink);letter-spacing:.01em;}
.brand-text span{font-size:12px;color:var(--faint);letter-spacing:.06em;}
.brand:hover .brand-mark{background:var(--ink-hover);}

.search-box{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:460px;margin:0 auto;
  height:52px;padding:0 6px 0 46px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.search-box > i{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  color:var(--faint);font-size:15px;
}
.search-box input[type="search"]{
  flex:1 1 auto;height:100%;min-width:0;
  border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--text);
}
.search-box input[type="search"]::placeholder{color:var(--faint);}
.search-btn{
  flex:0 0 auto;height:38px;padding:0 20px;
  border:0;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;
  font-size:14px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--ink-hover);transform:translateY(-1px);}
.search-box:focus-within{border-color:var(--amber);box-shadow:0 8px 22px rgba(14,59,51,.10);transform:translateY(-1px);}

.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{
  position:relative;display:inline-block;
  padding:6px 0;font-size:14.5px;color:var(--muted);
}
.nav-links a::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}

.nav-burger{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;color:var(--ink);cursor:pointer;
}
.nav-burger:hover{background:var(--ink-soft);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:260px;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#F7F5F0;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,59,51,.94) 0%,rgba(14,59,51,.80) 45%,rgba(14,59,51,.58) 100%);
}
.hero::after{
  content:'';position:absolute;right:24px;top:24px;width:88px;height:88px;
  background-image:radial-gradient(rgba(242,163,60,.55) 1.5px,transparent 1.6px);
  background-size:11px 11px;opacity:.5;pointer-events:none;
}
.hero .container{position:relative;z-index:2;padding-top:54px;padding-bottom:54px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;margin-bottom:18px;
  background:rgba(242,163,60,.16);
  border:1px solid rgba(242,163,60,.55);
  border-radius:var(--r-badge);
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--amber);
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);}
.hero h1{
  font-size:clamp(26px,4.2vw,42px);line-height:1.25;color:#fff;
  max-width:820px;letter-spacing:.01em;
}
.hero p{
  margin-top:16px;max-width:720px;
  font-size:15.5px;line-height:1.85;color:rgba(247,245,240,.88);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;
}
.hero-meta span{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-pill);
  font-size:13px;color:rgba(247,245,240,.94);
}
.hero-meta span i{color:var(--amber);font-size:12px;}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--divider);
}
.anchor-inner{
  display:flex;align-items:center;gap:28px;
  height:56px;overflow-x:auto;scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  position:relative;flex:0 0 auto;
  font-size:14px;color:var(--muted);white-space:nowrap;
}
.anchor-inner a::after{
  content:'';position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--amber);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.anchor-inner a:hover{color:var(--ink);}
.anchor-inner a:hover::after{transform:scaleX(1);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section.alt{background:var(--bg-alt);}
.section.dark{background:var(--ink);}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head .kicker{
  display:inline-block;margin-bottom:12px;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--amber);
}
.section-head h2{
  position:relative;padding-left:18px;
  font-size:clamp(24px,3vw,32px);line-height:1.32;
}
.section-head h2::before{
  content:'';position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  background:var(--amber);border-radius:2px;
}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.85;}
.section-head.on-dark h2{color:#fff;}
.section-head.on-dark p{color:rgba(247,245,240,.76);}

/* ---------- 速览数据卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  position:relative;padding:26px 22px 24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-card::after{
  content:'';position:absolute;right:16px;top:16px;width:26px;height:26px;
  background-image:radial-gradient(rgba(14,59,51,.20) 1.4px,transparent 1.5px);
  background-size:8px 8px;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFDACF;}
.stat-num{
  font-family:var(--mono);font-size:34px;font-weight:700;color:var(--ink);line-height:1.1;
}
.stat-num em{font-style:normal;font-size:15px;color:var(--faint);margin-left:4px;font-family:inherit;}
.stat-card h4{margin-top:10px;font-size:16px;}
.stat-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- 问答布局 ---------- */
.qa-layout{
  display:grid;grid-template-columns:286px minmax(0,1fr);gap:48px;align-items:start;
}
.qa-rail{position:sticky;top:150px;}
.rail-head{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--faint);
  padding-bottom:14px;border-bottom:1px solid var(--divider);
}
.rail-list{position:relative;margin-top:18px;padding-left:22px;}
.rail-list::before{
  content:'';position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(to bottom,var(--amber),var(--line));
  border-radius:2px;
}
.rail-list li{margin-bottom:16px;}
.rail-list a{
  position:relative;display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--muted);line-height:1.65;
}
.rail-list a::before{
  content:'';position:absolute;left:-22px;top:9px;
  width:10px;height:10px;border-radius:3px;
  background:#fff;border:2px solid var(--line);
  transition:background .2s ease,border-color .2s ease;
}
.rail-list a:hover{color:var(--ink);}
.rail-list a:hover::before{border-color:var(--amber);background:var(--amber-soft);}
.rail-no{
  font-family:var(--mono);font-size:12px;color:var(--amber);font-weight:700;
  padding-top:2px;
}
.rail-note{
  margin-top:26px;padding:16px 18px;
  background:var(--ink-soft);border-left:3px solid var(--ink);
  border-radius:0 var(--r-card) var(--r-card) 0;
  font-size:13.5px;color:var(--muted);line-height:1.8;
}

/* ---------- 手风琴问答 ---------- */
.qa-main .accordion-item{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,border-color .22s ease;
}
.qa-main .accordion-item::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
  background:transparent;transition:background .22s ease;z-index:3;
}
.qa-main .accordion-item.active{border-color:#CFDACF;box-shadow:var(--sh-2);}
.qa-main .accordion-item.active::before{background:var(--amber);}
.qa-main .accordion-header{margin:0;}
.qa-main .accordion-button{
  position:relative;width:100%;
  padding:22px 56px 22px 64px;
  background:#fff;border:0;box-shadow:none !important;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.55;
  text-align:left;
}
.qa-main .accordion-button:not(.collapsed){color:var(--ink);background:#fff;}
.qa-main .accordion-button:focus{box-shadow:none !important;}
.qa-main .accordion-button .q-no{
  position:absolute;left:24px;top:23px;
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--amber);
}
.qa-main .accordion-button::after{
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  width:12px;height:12px;background-size:12px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E3B33'%3E%3Cpath d='M8 11.5 2.5 6h11z'/%3E%3C/svg%3E");
}
.qa-main .accordion-button:not(.collapsed)::after{
  transform:translateY(-50%) rotate(180deg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23F2A33C'%3E%3Cpath d='M8 11.5 2.5 6h11z'/%3E%3C/svg%3E");
}
.qa-main .accordion-body{
  padding:0 56px 24px 64px;
  font-size:15px;line-height:1.9;color:var(--muted);
}
.qa-main .accordion-body p + p{margin-top:12px;}
.qa-main .accordion-body strong{color:var(--ink);font-weight:600;}
.qa-tip{
  display:flex;gap:10px;align-items:flex-start;
  margin-top:14px;padding:12px 14px;
  background:var(--amber-soft);border-radius:var(--r-input);
  font-size:13.5px;color:#6B4A12;line-height:1.75;
}
.qa-tip i{margin-top:4px;color:var(--amber);}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step{
  position:relative;padding:26px 22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;margin-bottom:14px;
  background:var(--ink);color:#fff;border-radius:10px;
  font-family:var(--mono);font-size:14px;font-weight:700;
}
.step h4{font-size:16px;}
.step p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;}
.step::after{
  content:'';position:absolute;right:-14px;top:44px;
  width:8px;height:8px;border-top:2px solid var(--line);border-right:2px solid var(--line);
  transform:rotate(45deg);
}
.steps .step:last-child::after{display:none;}

/* ---------- 状态面板 ---------- */
.status-panel{
  padding:36px 34px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);
}
.status-row{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.16);
}
.status-row:last-of-type{border-bottom:0;}
.status-name{
  display:flex;align-items:center;gap:12px;
  font-size:15px;color:rgba(247,245,240,.92);
}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(79,176,140,.16);}
.status-dot.warn{background:var(--amber);box-shadow:0 0 0 4px rgba(242,163,60,.18);}
.status-val{
  font-family:var(--mono);font-size:13.5px;color:rgba(247,245,240,.72);
  white-space:nowrap;
}
.status-note{
  margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  font-size:14px;color:rgba(247,245,240,.72);line-height:1.85;
}

/* ---------- 相关分类卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.topic-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:#CFDACF;}
.topic-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-soft);}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.04);}
.topic-thumb .badge-tag{
  position:absolute;left:14px;top:14px;
  padding:4px 10px;border-radius:var(--r-badge);
  background:rgba(14,59,51,.86);color:#fff;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;
}
.topic-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.topic-body h3{font-size:17.5px;}
.topic-body p{font-size:14px;color:var(--muted);line-height:1.78;flex:1 1 auto;}
.topic-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);
}
.topic-link i{transition:transform .2s ease;font-size:12px;}
.topic-card:hover .topic-link{color:var(--ink-hover);}
.topic-card:hover .topic-link i{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
}
.cta-info .section-head{margin-bottom:24px;}
.cta-list{margin-top:8px;}
.cta-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px solid var(--divider);
  font-size:14.5px;color:var(--muted);
}
.cta-list li i{margin-top:5px;color:var(--amber);font-size:13px;}
.cta-tel{
  display:flex;align-items:center;gap:14px;
  margin-top:26px;padding:20px 22px;
  background:var(--ink);border-radius:var(--r-card);color:#fff;
  box-shadow:var(--sh-3);
}
.cta-tel i{font-size:20px;color:var(--amber);}
.cta-tel b{display:block;font-family:var(--mono);font-size:20px;letter-spacing:.02em;}
.cta-tel span{font-size:13px;color:rgba(247,245,240,.72);}

.cta-form{
  padding:32px 30px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);
}
.form-row{margin-bottom:18px;}
.form-row label{display:block;margin-bottom:8px;font-size:14px;font-weight:600;color:var(--ink);}
.form-control-c{
  width:100%;height:48px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  font-size:14.5px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control-c{height:112px;padding:12px 16px;line-height:1.7;resize:vertical;}
.form-control-c:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(14,59,51,.10);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:50px;padding:0 30px;
  background:var(--ink);color:#fff;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;
  box-shadow:var(--sh-1);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--ink-hover);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:50px;padding:0 26px;
  background:transparent;color:var(--ink);
  border:1px solid var(--ink);border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--ink-soft);transform:translateY(-2px);color:var(--ink);}
.form-note{margin-top:14px;font-size:13px;color:var(--faint);}
.form-msg{
  display:none;margin-top:16px;padding:12px 16px;
  background:var(--ink-soft);border-left:3px solid var(--ink);
  border-radius:0 var(--r-input) var(--r-input) 0;
  font-size:14px;color:var(--ink);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(247,245,240,.82);padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.site-footer .brand-mark{background:var(--amber);color:#0E3B33;min-width:46px;height:38px;}
.footer-brand b{display:block;font-size:15px;color:#fff;}
.footer-brand span{display:block;font-size:12px;color:rgba(247,245,240,.6);letter-spacing:.06em;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(247,245,240,.72);}
.site-footer h4{
  margin-bottom:18px;font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(247,245,240,.74);}
.footer-links a:hover{color:var(--amber);}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:rgba(247,245,240,.74);}
.footer-contact i{width:18px;color:var(--amber);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(247,245,240,.6);
}
.footer-bottom a{color:rgba(247,245,240,.8);}
.footer-bottom a:hover{color:var(--amber);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:22px;bottom:26px;z-index:90;
  display:flex;flex-direction:column;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.fc-btn{
  display:inline-flex;align-items:center;gap:10px;
  height:48px;padding:0 20px;
  background:#fff;color:var(--ink);
  border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:14px;font-weight:600;
  box-shadow:var(--sh-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.fc-btn i{color:var(--amber);}
.fc-btn:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.fc-btn:hover i{color:var(--amber);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
}
@media (max-width:991px){
  .nav-wrap{flex-wrap:wrap;padding:12px 0;min-height:auto;gap:12px;}
  .nav-burger{display:inline-flex;margin-left:auto;}
  .search-box{order:3;flex:1 0 100%;max-width:none;margin:4px 0 0;height:48px;}
  .nav-links{
    order:4;flex:1 0 100%;display:none;
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 0 4px;border-top:1px solid var(--divider);
  }
  .nav-links.show{display:flex;}
  .nav-links a{padding:12px 4px;font-size:15px;}
  .nav-links a::after{display:none;}
  .nav-links a.active{background:var(--ink-soft);border-radius:var(--r-input);padding-left:12px;}
  .anchor-bar{position:static;}
  .qa-layout{grid-template-columns:1fr;gap:28px;}
  .qa-rail{position:static;}
  .rail-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 18px;padding-left:0;}
  .rail-list::before{display:none;}
  .rail-list a::before{display:none;}
  .cta-wrap{grid-template-columns:1fr;gap:32px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .section{padding:64px 0;}
}
@media (max-width:575px){
  body{font-size:15.5px;}
  .container{padding-left:18px;padding-right:18px;}
  .stat-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero .container{padding-top:42px;padding-bottom:42px;}
  .hero-meta{gap:8px;}
  .hero-meta span{font-size:12.5px;padding:6px 12px;}
  .qa-main .accordion-button{padding:18px 46px 18px 52px;font-size:15.5px;}
  .qa-main .accordion-button .q-no{left:20px;top:19px;}
  .qa-main .accordion-button::after{right:18px;}
  .qa-main .accordion-body{padding:0 22px 20px 52px;}
  .cta-form{padding:24px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    right:12px;left:12px;bottom:12px;
    flex-direction:row;justify-content:space-between;gap:8px;
  }
  .fc-btn{flex:1 1 0;justify-content:center;padding:0 10px;height:46px;font-size:13px;}
  .section{padding:52px 0;}
}

/* roulang page: category3 */
:root{
  --ink:#0E3B33;
  --ink-hover:#1A5C50;
  --ink-soft:#E7EFEB;
  --amber:#F2A33C;
  --amber-soft:#FFE9C7;
  --bg:#F7F5F0;
  --bg-alt:#F1EEE6;
  --card:#FFFFFF;
  --line:#E2DED3;
  --line-soft:#ECE8DE;
  --text:#1F2421;
  --text-2:#5C645F;
  --text-3:#8B918C;
  --danger:#C0392B;
  --r-card:14px;
  --r-input:10px;
  --r-pill:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(14,59,51,.06);
  --sh-2:0 10px 28px rgba(14,59,51,.12);
  --sh-3:0 12px 32px rgba(14,59,51,.20);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bs-primary:#0E3B33;
  --bs-body-font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#1F2421;
  --bs-border-color:#E2DED3;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:150px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease}
a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:3px}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2);background:#fff}
.nav-wrap{
  display:flex;align-items:center;gap:20px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--ink);color:#fff;
  font-family:var(--mono);font-size:16px;font-weight:700;letter-spacing:.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:15px;color:var(--ink);font-weight:700}
.brand-text span{font-size:12px;color:var(--text-3);letter-spacing:.6px}

.search-box{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:520px;height:52px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 6px 0 18px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.search-box:focus-within{
  border-color:var(--amber);
  box-shadow:0 8px 22px rgba(242,163,60,.22);
  transform:translateY(-1px);
}
.search-box i{color:var(--text-3);font-size:15px}
.search-box input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  height:100%;padding:0 12px;font-size:15px;
}
.search-box input::placeholder{color:var(--text-3)}
.search-btn{
  flex:0 0 auto;height:40px;padding:0 22px;border:0;
  border-radius:var(--r-pill);background:var(--ink);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--ink-hover);transform:translateY(-1px)}

.nav-links{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.nav-links a{
  display:inline-block;position:relative;
  padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--ink);background:var(--ink-soft);text-decoration:none}
.nav-links a.active{color:var(--ink);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;
  height:2px;border-radius:2px;background:var(--amber);
}
.nav-burger{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  background:#fff;border-radius:10px;color:var(--ink);cursor:pointer;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,59,51,.90) 0%,rgba(14,59,51,.76) 48%,rgba(14,59,51,.52) 100%);
}
.page-hero .inner{position:relative;z-index:2;padding:60px 0 56px;color:#F7F5F0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(247,245,240,.75);margin-bottom:18px}
.crumb a{color:rgba(247,245,240,.85)}
.crumb a:hover{color:var(--amber)}
.crumb .sep{opacity:.55}
.crumb .cur{color:#fff;font-weight:600}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,233,199,.16);border:1px solid rgba(242,163,60,.45);
  color:var(--amber-soft);font-size:13px;letter-spacing:.5px;margin-bottom:18px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(242,163,60,.22)}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4.4vw,44px);line-height:1.25;
  max-width:14em;margin-bottom:16px;
}
.page-hero .lead{
  max-width:720px;font-size:16px;line-height:1.85;color:rgba(247,245,240,.86);margin:0 0 26px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.hero-stat{
  min-width:150px;padding:14px 20px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
}
.hero-stat b{display:block;font-family:var(--mono);font-size:22px;color:#fff;line-height:1.2}
.hero-stat span{font-size:13px;color:rgba(247,245,240,.72)}

/* ---------- Anchor bar ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:1020;
  background:rgba(241,238,230,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:4px;overflow-x:auto;padding:8px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  position:relative;flex:0 0 auto;
  padding:9px 14px;font-size:14px;color:var(--text-2);border-radius:8px;
  white-space:nowrap;transition:color .2s ease,background .2s ease;
}
.anchor-inner a:hover{color:var(--ink);background:#fff;text-decoration:none}
.anchor-inner a.active{color:var(--ink);font-weight:600}
.anchor-inner a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--amber);
}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section.alt{background:var(--bg-alt)}
.section.white{background:#fff}
.section-head{max-width:780px;margin-bottom:40px}
.section-head.with-rule{padding-left:18px;border-left:4px solid var(--amber)}
.section-num{
  display:inline-block;font-family:var(--mono);font-size:13px;
  letter-spacing:2px;color:var(--amber);margin-bottom:10px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15px;margin:0}
.dot-grid{
  width:52px;height:20px;margin-left:auto;
  background-image:radial-gradient(var(--line) 1.6px,transparent 1.6px);
  background-size:10px 10px;
}

/* ---------- Stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat-strip .item{padding:26px 24px;border-right:1px solid var(--line-soft)}
.stat-strip .item:last-child{border-right:0}
.stat-strip b{display:block;font-family:var(--mono);font-size:30px;color:var(--ink);line-height:1.15}
.stat-strip span{display:block;font-size:14px;color:var(--text-2);margin-top:6px}
.stat-strip em{display:block;font-style:normal;font-size:12px;color:var(--text-3);margin-top:4px}

/* ---------- Card waterfall ---------- */
.waterfall{column-count:3;column-gap:24px}
@media (max-width:991px){.waterfall{column-count:2}}
@media (max-width:575px){.waterfall{column-count:1}}
.ic-card{
  break-inside:avoid;display:inline-block;width:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;margin:0 0 24px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.ic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE0D8}
.ic-card .thumb{position:relative;aspect-ratio:16/9;background:var(--ink-soft);overflow:hidden}
.ic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ic-card:hover .thumb img{transform:scale(1.04)}
.ic-card .thumb .ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:var(--ink);opacity:.35;font-size:34px;
}
.ic-card .body{padding:20px 22px 22px}
.ic-card .meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  background:var(--ink-soft);color:var(--ink);font-size:12px;font-weight:600;letter-spacing:.3px;
}
.badge-amber{background:var(--amber-soft);color:#8A5410}
.ic-card h3{font-size:18px;line-height:1.45;margin-bottom:10px}
.ic-card .desc{font-size:14.5px;color:var(--text-2);line-height:1.75;margin-bottom:16px}
.ic-card .foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}
.ic-card .foot .num{font-family:var(--mono);color:var(--ink);font-weight:700}
.ic-card .foot .go{color:var(--ink);font-weight:600}
.ic-card .foot .go:hover{color:var(--amber);text-decoration:none}
.state-bar{
  display:flex;align-items:center;gap:10px;margin-bottom:22px;padding:12px 16px;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--amber);
  border-radius:var(--r-input);font-size:14px;color:var(--text-2);
}
.state-bar .pulse{width:8px;height:8px;border-radius:50%;background:#2E9E7B;box-shadow:0 0 0 4px rgba(46,158,123,.16)}

/* ---------- Tag cloud ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.tag-cloud a{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--text-2);font-size:14px;
  transition:all .2s ease;
}
.tag-cloud a:hover{
  color:var(--ink);border-color:var(--ink);background:var(--ink-soft);text-decoration:none;
  transform:translateY(-2px);
}
.tag-cloud a i{color:var(--amber);font-size:12px}
.tag-side{background:var(--bg-alt);border-color:var(--line-soft)}

/* ---------- Dark panel / process ---------- */
.process-panel{
  background:var(--ink);border-radius:18px;padding:48px 44px;color:rgba(247,245,240,.86);
  box-shadow:var(--sh-2);
}
.process-panel h2{color:#fff;font-size:clamp(22px,2.6vw,28px);margin-bottom:12px}
.process-panel > p{max-width:640px;color:rgba(247,245,240,.78);font-size:15px}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px}
.process-item{
  padding:22px 20px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  transition:background .22s ease,transform .22s ease;
}
.process-item:hover{background:rgba(255,255,255,.11);transform:translateY(-3px)}
.process-item .no{
  display:inline-block;font-family:var(--mono);font-size:13px;letter-spacing:1px;
  color:var(--amber);margin-bottom:10px;
}
.process-item h3{color:#fff;font-size:16px;margin-bottom:8px}
.process-item p{font-size:13.5px;line-height:1.7;color:rgba(247,245,240,.75);margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  background:#fff;color:var(--ink);font-size:16.5px;font-weight:600;
  padding:20px 22px;box-shadow:none;position:relative;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;
  transition:background .2s ease;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--ink)}
.accordion-button:not(.collapsed)::before{background:var(--amber)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--amber);outline-offset:-2px}
.accordion-button::after{
  background-image:none;
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  width:auto;height:auto;color:var(--text-3);
  transform:rotate(0deg);transition:transform .2s ease;
  display:flex;align-items:center;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--ink)}
.accordion-body{padding:0 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ---------- CTA ---------- */
.cta-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh-2);overflow:hidden;
}
.cta-card .row-inner{display:grid;grid-template-columns:1.05fr .95fr}
.cta-left{padding:44px 40px}
.cta-left h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:12px}
.cta-left p{color:var(--text-2);font-size:15px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;color:var(--text-2)}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;padding:0 14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input{height:48px}
.field textarea{padding:12px 14px;resize:vertical;min-height:104px;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(14,59,51,.10);
}
.field input.err,.field textarea.err{border-color:var(--danger)}
.form-hint{font-size:13px;color:var(--text-3);margin-top:10px}
.form-msg{margin-top:14px;font-size:14px;font-weight:600;display:none}
.form-msg.ok{display:block;color:var(--ink)}
.form-msg.bad{display:block;color:var(--danger)}
.cta-right{
  background:var(--bg-alt);border-left:1px solid var(--line-soft);
  padding:44px 40px;display:flex;flex-direction:column;gap:18px;
}
.cta-right h3{font-size:17px}
.contact-line{display:flex;align-items:flex-start;gap:12px;font-size:14.5px;color:var(--text-2)}
.contact-line i{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;
  background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:13px;
}
.contact-line b{display:block;color:var(--ink);font-size:15px}

/* ---------- Buttons ---------- */
.btn-main,.btn-outline,.btn-ghost{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-weight:600;transition:all .2s ease}
.btn-main{
  height:50px;padding:0 28px;border:0;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;font-size:15px;box-shadow:var(--sh-1);
}
.btn-main:hover{background:var(--ink-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);text-decoration:none}
.btn-outline{
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--ink);color:var(--ink);font-size:15px;
}
.btn-outline:hover{background:var(--ink-soft);color:var(--ink);text-decoration:none;transform:translateY(-2px)}
.page-hero .btn-outline{border-color:rgba(255,255,255,.6);color:#fff}
.page-hero .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-ghost{background:transparent;border:0;color:var(--ink);padding:0;font-size:14.5px}
.btn-ghost:hover{color:var(--amber);text-decoration:none}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(247,245,240,.78);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:#fff;color:var(--ink)}
.footer-brand b{display:block;color:#fff;font-size:15px}
.footer-brand span{font-size:12px;color:rgba(247,245,240,.6);letter-spacing:.5px}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(247,245,240,.7)}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(247,245,240,.75);font-size:14px}
.footer-links a:hover{color:var(--amber);text-decoration:none}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-contact i{color:var(--amber);width:16px}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,245,240,.6);
}
.footer-bottom a{color:rgba(247,245,240,.8)}
.footer-bottom a:hover{color:var(--amber)}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:1040;
  display:flex;flex-direction:column;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta button,.float-cta a{
  width:auto;height:46px;padding:0 18px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;border:1px solid var(--line);
  background:#fff;color:var(--ink);box-shadow:var(--sh-2);cursor:pointer;
  transition:all .2s ease;
}
.float-cta a.primary,.float-cta button.primary{background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:var(--sh-3)}
.float-cta a:hover,.float-cta button:hover{transform:translateY(-2px);text-decoration:none;color:var(--ink)}
.float-cta a.primary:hover,.float-cta button.primary:hover{background:var(--ink-hover);color:#fff}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:72px 0 0 0;z-index:1025;
  background:rgba(14,59,51,.35);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.mobile-drawer.open{opacity:1;visibility:visible}
.mobile-drawer .panel{
  background:#fff;padding:20px 24px 28px;border-bottom:1px solid var(--line);
  transform:translateY(-12px);transition:transform .24s ease;
}
.mobile-drawer.open .panel{transform:translateY(0)}
.mobile-drawer .search-box{max-width:none;margin-bottom:16px}
.mobile-drawer nav{display:flex;flex-direction:column}
.mobile-drawer nav a{
  padding:13px 4px;border-bottom:1px solid var(--line-soft);
  font-size:15px;color:var(--text-2);
}
.mobile-drawer nav a.active{color:var(--ink);font-weight:700;border-left:3px solid var(--amber);padding-left:12px}
.mobile-drawer nav a:hover{color:var(--ink);text-decoration:none}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .nav-links a{padding:8px 9px;font-size:14px}
  .search-box{max-width:400px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .search-box{display:none}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  .section{padding:64px 0}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-strip .item{border-bottom:1px solid var(--line-soft)}
  .stat-strip .item:nth-child(2n){border-right:0}
  .stat-strip .item:nth-child(3),.stat-strip .item:nth-child(4){border-bottom:0}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card .row-inner{grid-template-columns:1fr}
  .cta-right{border-left:0;border-top:1px solid var(--line-soft)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .anchor-bar{top:72px}
}
@media (max-width:575px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .page-hero .inner{padding:40px 0 38px}
  .hero-stat{min-width:100%;padding:12px 16px}
  .stat-strip{grid-template-columns:1fr}
  .stat-strip .item{border-right:0;border-bottom:1px solid var(--line-soft)}
  .stat-strip .item:last-child{border-bottom:0}
  .process-panel{padding:32px 22px}
  .process-grid{grid-template-columns:1fr}
  .cta-left,.cta-right{padding:30px 22px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;font-size:12.5px}
  .float-cta{
    left:12px;right:12px;bottom:12px;flex-direction:row;justify-content:space-between;
  }
  .float-cta a,.float-cta button{flex:1 1 auto;justify-content:center;padding:0 10px;font-size:13px}
}