/* roulang page: index */
:root{
  --primary:#1F6B60;
  --primary-soft:rgba(31,107,96,.1);
  --primary-line:rgba(31,107,96,.28);
  --accent:#E2703A;
  --gold:#C79A2E;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE1;
  --bg-hover:#F1ECE3;
  --dark:#16211F;
  --ink:#1B1F1D;
  --ink-2:#5A625D;
  --ink-3:#8A918B;
  --line:#E2DCD2;
  --white:#FFFFFF;
  --r-card:16px;
  --r-img:14px;
  --r-phone:22px;
  --r-pill:999px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(22,33,31,.06);
  --sh-2:0 10px 26px rgba(22,33,31,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"SF Pro Text",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease)}
button{font-family:inherit;border:0;background:none;cursor:pointer}
input{font-family:inherit}
::selection{background:rgba(31,107,96,.2)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(31,107,96,.3);border-radius:99px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:transparent;
  transition:background 240ms var(--ease),box-shadow 240ms var(--ease),backdrop-filter 240ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,244,238,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 6px 22px rgba(22,33,31,.08);
}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--dark);white-space:nowrap}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;
  background:var(--primary);color:#fff;font-size:15px;
}
.site-nav{flex:1 1 auto}
.site-nav ul{display:flex;align-items:center;gap:4px}
.site-nav a{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  transition:color 220ms var(--ease),background 220ms var(--ease);
}
.site-nav a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:8px;height:2px;
  background:var(--primary);border-radius:2px;
  transition:left 240ms var(--ease),right 240ms var(--ease);
}
.site-nav a:hover{color:var(--primary)}
.site-nav a:hover::after{left:14px;right:14px}
.site-nav a.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.site-nav a.is-active::after{left:50%;right:50%}
.header-tools{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-pill);
  color:var(--ink-2);font-size:16px;
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary)}
.nav-hot{position:relative}
.nav-hot-btn{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--dark);color:#fff;font-size:14px;font-weight:600;
  transition:background 220ms var(--ease),transform 220ms var(--ease);
}
.nav-hot-btn:hover{background:#1F2E2A}
.nav-hot-btn i{font-size:11px;transition:transform 240ms var(--ease)}
.nav-hot.is-open .nav-hot-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:640px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:22px;
  padding:24px;border-radius:18px;background:#fff;
  border-top:3px solid var(--primary);
  box-shadow:0 22px 48px rgba(22,33,31,.18);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity 240ms var(--ease),transform 240ms var(--ease),visibility 240ms var(--ease);
  z-index:210;
}
.nav-hot:hover .mega-panel,
.nav-hot:focus-within .mega-panel,
.nav-hot.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.08em;color:var(--ink-3);margin-bottom:12px}
.mega-list li+li{margin-top:4px}
.mega-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:15px;color:var(--ink);
  transition:background 200ms var(--ease),color 200ms var(--ease),transform 200ms var(--ease);
}
.mega-list a:hover{background:var(--bg-hover);color:var(--primary);transform:translateX(3px)}
.mega-list .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);opacity:.55;flex:0 0 6px}
.mega-cards{display:grid;gap:14px}
.mega-card{
  display:flex;gap:12px;align-items:center;
  padding:12px;border:1px solid var(--line);border-radius:14px;
  transition:box-shadow 240ms var(--ease),transform 240ms var(--ease),border-color 240ms var(--ease);
}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line)}
.mega-card img{width:64px;height:64px;object-fit:cover;border-radius:12px;flex:0 0 64px}
.mega-card h4{font-size:15px;line-height:1.45;margin-bottom:2px}
.mega-card p{font-size:13px;line-height:1.6;color:var(--ink-3)}
.mega-card .arrow{margin-left:auto;color:var(--primary);font-size:12px}
.nav-toggle{display:none}

/* ---------- buttons / badges ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 6px 16px rgba(226,112,58,.24);
  transition:transform 220ms var(--ease),filter 220ms var(--ease),box-shadow 220ms var(--ease);
}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 12px 26px rgba(226,112,58,.32);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  border:1.5px solid var(--primary);color:var(--primary);
  font-size:15px;font-weight:600;background:transparent;
  transition:background 220ms var(--ease),transform 220ms var(--ease),color 220ms var(--ease);
}
.btn-ghost:hover{background:rgba(31,107,96,.08);transform:translateY(-1px)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:15px;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;
  transition:color 200ms var(--ease)
}
.link-more:hover{color:var(--accent)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-tag);background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.04em;white-space:nowrap;
}
.badge-hot{background:var(--gold);color:#3B2C05}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-alt{background:#fff}
.section-tint{background:var(--bg-alt)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:16px;font-size:clamp(24px,3.4vw,34px);line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--dark)}
.sec-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:3px;background:var(--primary)}
.sec-desc{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:640px}

/* ---------- hero ---------- */
.hero{padding:52px 0 68px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--primary);font-weight:700;margin-bottom:16px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:clamp(30px,5.2vw,48px);line-height:1.25;letter-spacing:-.01em;font-weight:800;color:var(--dark);margin-bottom:18px}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:30px}
.metric b{display:block;font-size:24px;font-weight:800;color:var(--dark);letter-spacing:-.01em}
.metric span{display:block;font-size:12px;letter-spacing:.06em;color:var(--ink-3);margin-top:2px}
.hero-visual{position:relative;padding:0 22px 22px 0}
.hero-visual-back{position:absolute;right:0;bottom:0;width:84%;height:84%;background:var(--bg-alt);border-radius:var(--r-phone);z-index:0}
.phone-card{
  position:relative;z-index:1;aspect-ratio:9/16;border-radius:var(--r-phone);overflow:hidden;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  box-shadow:0 22px 48px rgba(22,33,31,.18);
}
.phone-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:32%;background:linear-gradient(180deg,rgba(22,33,31,0),rgba(22,33,31,.9))}
.phone-badge{
  position:absolute;top:16px;left:16px;z-index:3;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-tag);background:rgba(255,255,255,.92);
  color:var(--dark);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.phone-play{
  position:absolute;right:16px;bottom:64px;z-index:3;
  width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 10px 24px rgba(22,33,31,.3);
  transition:transform 220ms var(--ease),filter 220ms var(--ease);
}
.phone-play:hover{transform:scale(1.06);filter:brightness(1.08)}
.phone-caption{position:absolute;left:18px;right:80px;bottom:22px;z-index:3;color:rgba(255,255,255,.92);font-size:14px;line-height:1.6}

/* ---------- stats ---------- */
.stats{background:var(--bg-alt);padding:30px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{text-align:center;padding:6px 10px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-size:28px;font-weight:800;color:var(--dark);letter-spacing:-.01em}
.stat span{display:block;font-size:12px;letter-spacing:.06em;color:var(--ink-3);margin-top:4px}

/* ---------- rail ---------- */
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 20px;margin:0 -4px;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(31,107,96,.3);border-radius:99px}
.clip-card{
  flex:0 0 260px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.clip-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line)}
.clip-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;border-radius:var(--r-img) var(--r-img) 0 0}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.clip-card:hover .clip-thumb img{transform:scale(1.03)}
.clip-thumb .badge-hot{position:absolute;top:12px;left:12px}
.clip-body{padding:16px 18px 18px}
.clip-body h3{
  font-size:16px;line-height:1.5;font-weight:700;color:var(--dark);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:48px;
}
.clip-meta{margin-top:10px;font-size:12px;color:var(--ink-3);letter-spacing:.04em}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start}
.check-col{display:grid}
.check-row{
  display:flex;align-items:center;gap:20px;
  padding:20px 16px;border-bottom:1px solid var(--line);
  transition:background 220ms var(--ease),transform 220ms var(--ease);
}
.check-row:first-child{border-top:1px solid var(--line)}
.check-row:hover{background:var(--bg-hover);transform:translateX(4px)}
.check-num{font-size:28px;font-weight:800;color:rgba(31,107,96,.18);min-width:52px;transition:color 220ms var(--ease)}
.check-row:hover .check-num{color:var(--accent)}
.check-text h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:2px}
.check-text p{font-size:14px;color:var(--ink-2);line-height:1.7}
.check-arrow{margin-left:auto;color:var(--ink-3);font-size:13px;transition:color 220ms var(--ease),transform 220ms var(--ease)}
.check-row:hover .check-arrow{color:var(--accent);transform:translateX(3px)}
.check-photo{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.check-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-photo figcaption{padding:18px 20px;font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- latest / cms ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px}
.filter-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-2);background:#fff;
  transition:border-color 220ms var(--ease),color 220ms var(--ease),background 220ms var(--ease);
}
.filter-pill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.feature-post{
  display:grid;grid-template-columns:40% 1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);margin-bottom:20px;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.feature-post:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line)}
.feature-thumb{overflow:hidden}
.feature-thumb img{width:100%;height:100%;min-height:230px;object-fit:cover;transition:transform 260ms var(--ease)}
.feature-post:hover .feature-thumb img{transform:scale(1.03)}
.feature-body{padding:26px 28px;display:flex;flex-direction:column;gap:10px}
.feature-body h3{font-size:21px;line-height:1.5;font-weight:800;color:var(--dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-body p{font-size:15px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mini-post{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.mini-post:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line)}
.mini-post img{width:96px;height:72px;border-radius:12px;object-fit:cover;flex:0 0 96px}
.mini-post h3{font-size:16px;line-height:1.55;font-weight:700;color:var(--dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}
.meta-row{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);letter-spacing:.04em}
.empty-state{
  padding:48px 24px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
}
.empty-state i{font-size:48px;color:var(--primary-line);display:block;margin-bottom:14px}
.empty-state p{color:var(--ink-2);margin-bottom:18px}

/* ---------- quotes ---------- */
.quote-rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 20px;margin:0 -4px}
.quote-card{
  flex:0 0 360px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.quote-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-weight:800;font-size:15px;
}
.quote-name{font-size:15px;font-weight:700;color:var(--dark)}
.stars{color:var(--accent);font-size:12px;letter-spacing:2px}
.quote-text{font-size:15px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.quote-foot{margin-top:14px;font-size:12px;color:var(--ink-3);letter-spacing:.04em}
.score-badge{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);
  font-size:14px;font-weight:700;
}

/* ---------- faq ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--dark);
  cursor:pointer;list-style:none;transition:background 220ms var(--ease),color 220ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--bg-hover);color:var(--primary)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;transition:transform 240ms var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] summary{background:var(--bg-hover)}
.faq-body{padding:4px 24px 22px;background:var(--bg-hover);color:var(--ink-2);font-size:15px;line-height:1.85}

/* ---------- cta ---------- */
.cta-band{background:var(--dark);position:relative;overflow:hidden;padding:64px 0}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;
  border-radius:50%;border:70px solid rgba(255,255,255,.05);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3.4vw,34px);line-height:1.35;color:#fff;font-weight:800;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px}
.cta-band .btn-primary{box-shadow:0 12px 28px rgba(226,112,58,.34)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:56px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--primary)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:18px;max-width:320px}
.socials{display:flex;gap:10px}
.socials a{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;
  transition:background 220ms var(--ease),transform 220ms var(--ease);
}
.socials a:hover{background:var(--accent);transform:translateY(-2px)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-list li+li{margin-top:8px}
.footer-list a{color:rgba(255,255,255,.68);font-size:14px;display:inline-block;transition:color 220ms var(--ease),transform 220ms var(--ease)}
.footer-list a:hover{color:var(--accent);transform:translateX(2px)}
.footer-contact li{color:rgba(255,255,255,.68);margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.02em;
}

/* ---------- mobile bar ---------- */
.mobile-bar{display:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .site-nav{
    position:fixed;top:68px;left:0;right:0;bottom:0;
    background:var(--bg);padding:20px 24px 40px;
    transform:translateX(102%);transition:transform 260ms var(--ease);
    overflow-y:auto;z-index:190;
  }
  .site-nav.is-open{transform:translateX(0)}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:6px}
  .site-nav a{justify-content:flex-start;padding:0 16px;font-size:16px}
  .site-nav a::after{display:none}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:var(--r-pill);color:var(--ink);font-size:18px;
  }
  .nav-toggle:hover{background:var(--primary-soft);color:var(--primary)}
  .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border-radius:14px;grid-template-columns:1fr;margin-top:10px;
    display:none;padding:18px;
  }
  .nav-hot:hover .mega-panel{display:none}
  .nav-hot.is-open .mega-panel{display:grid}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:340px;margin:0 auto;order:-1}
  .check-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  body{padding-bottom:72px}
  .container{padding:0 18px}
  .section{padding:48px 0}
  .hero{padding:24px 0 44px}
  .hero-sub{font-size:16px;line-height:1.9}
  .hero-metrics{gap:20px}
  .phone-card{aspect-ratio:4/5}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{border-left:0;border-top:1px solid var(--line);padding:14px 6px}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0}
  .clip-card{flex:0 0 78vw}
  .quote-card{flex:0 0 86vw}
  .feature-post{grid-template-columns:1fr}
  .feature-thumb img{min-height:180px}
  .feature-body{padding:20px}
  .mini-grid{grid-template-columns:1fr}
  .mini-post img{width:84px;height:64px;flex:0 0 84px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .sec-head{margin-bottom:22px}
  .mobile-bar{
    display:flex;align-items:center;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:180;
    height:56px;padding:0 16px calc(env(safe-area-inset-bottom, 0px));
    background:rgba(247,244,238,.94);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
  }
  .mobile-bar .btn-primary{padding:11px 20px;font-size:14px;flex:1 1 auto;justify-content:center}
  .mobile-bar-link{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap}
}

/* roulang page: article */
:root{
  --primary:#1F6B60;
  --primary-10:rgba(31,107,96,.10);
  --primary-08:rgba(31,107,96,.08);
  --primary-30:rgba(31,107,96,.30);
  --accent:#E2703A;
  --accent-dark:#CC5F2C;
  --gold:#C79A2E;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE1;
  --bg-soft:#F1ECE3;
  --surface:#FFFFFF;
  --ink:#1B1F1D;
  --ink-2:#5A625D;
  --ink-3:#8A918B;
  --line:#E2DCD2;
  --dark:#16211F;
  --r-card:16px;
  --r-img:14px;
  --r-v:22px;
  --r-pill:999px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(22,33,31,.06);
  --sh-2:0 10px 26px rgba(22,33,31,.12);
  --sh-3:0 24px 48px rgba(22,33,31,.16);
  --t:240ms cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"SF Pro Text",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
table{border-collapse:collapse;}
::selection{background:rgba(31,107,96,.20);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-thumb{background:var(--primary-30);border-radius:999px;}
::-webkit-scrollbar-track{background:transparent;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;
  padding:10px 16px;border-radius:0 0 10px 0;z-index:999;
}
.skip-link:focus{left:0;color:#fff;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--t),background var(--t),box-shadow var(--t),color var(--t),border-color var(--t);
  min-height:46px;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(226,112,58,.24);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(226,112,58,.30);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-08);color:var(--primary);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--dark);}
.btn-light:hover{background:#f2efe9;color:var(--dark);transform:translateY(-1px);}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);
  font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:4px;
}
.text-link:hover{color:var(--accent);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-tag);font-size:12px;letter-spacing:.04em;font-weight:600;
}
.badge-cat{background:var(--primary-10);color:var(--primary);}
.badge-gold{background:var(--gold);color:#3A2A04;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);color:var(--ink-2);
  font-size:13px;transition:all var(--t);
}
.tag:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-08);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:transparent;border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-scrolled{
  background:rgba(247,244,238,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(22,33,31,.06);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;flex-shrink:0;
  font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--ink);
}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;
}
.site-nav{flex:1;}
.site-nav > ul{display:flex;align-items:center;gap:4px;}
.site-nav > ul > li > a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 13px;
  border-radius:var(--r-pill);color:var(--ink-2);font-size:15px;white-space:nowrap;
  transition:color var(--t),background var(--t);
}
.site-nav > ul > li > a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:3px;height:2px;
  background:var(--primary);border-radius:2px;
  transition:left var(--t),right var(--t);
}
.site-nav > ul > li > a:hover{color:var(--primary);}
.site-nav > ul > li > a:hover::after{left:13px;right:13px;}
.site-nav > ul > li > a.is-active{
  background:var(--primary-10);color:var(--primary);font-weight:600;
}
.site-nav > ul > li > a.is-active::after{display:none;}
.header-tools{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-hot{position:relative;}
.nav-hot-btn{
  display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line);
  color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;
  transition:all var(--t);
}
.nav-hot-btn:hover{border-color:var(--primary);color:var(--primary);}
.nav-hot-btn i{font-size:11px;transition:transform var(--t);}
.nav-hot.is-open .nav-hot-btn i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 16px);right:0;width:640px;
  background:#fff;border-radius:18px;border-top:3px solid var(--primary);
  box-shadow:var(--sh-3);padding:24px;display:grid;
  grid-template-columns:1fr 1.15fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.nav-hot:hover .mega-panel,
.nav-hot:focus-within .mega-panel,
.nav-hot.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;letter-spacing:.08em;color:var(--ink-3);margin-bottom:14px;}
.mega-list li + li{margin-top:4px;}
.mega-list a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
  color:var(--ink-2);font-size:14px;transition:all var(--t);
}
.mega-list a:hover{background:var(--bg-soft);color:var(--primary);transform:translateX(3px);}
.mega-list .dot{width:6px;height:6px;border-radius:50%;background:var(--primary-30);flex-shrink:0;}
.mega-list a:hover .dot{background:var(--accent);}
.mega-cards{display:flex;flex-direction:column;gap:12px;}
.mega-card{
  position:relative;display:flex;align-items:center;gap:12px;padding:12px;
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);
  color:var(--ink);transition:all var(--t);
}
.mega-card:hover{border-color:var(--primary);box-shadow:var(--sh-1);color:var(--ink);transform:translateX(3px);}
.mega-card img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex-shrink:0;}
.mega-card h4{font-size:14px;line-height:1.5;color:var(--ink);}
.mega-card p{font-size:12px;color:var(--ink-3);line-height:1.6;}
.mega-card .arrow{margin-left:auto;font-size:12px;color:var(--primary);transition:transform var(--t);}
.mega-card:hover .arrow{transform:translateX(4px);color:var(--accent);}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all var(--t);
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);cursor:pointer;align-items:center;justify-content:center;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:26px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--ink-3);letter-spacing:.04em;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb [aria-current="page"]{color:var(--primary);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-head{padding:22px 0 26px;border-bottom:1px solid var(--line);}
.article-head .badge-cat{margin-bottom:14px;}
.article-head h1{
  font-size:clamp(28px,3.6vw,40px);line-height:1.28;letter-spacing:-.01em;
  color:var(--ink);max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:18px;
  font-size:13px;letter-spacing:.04em;color:var(--ink-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{font-size:12px;color:var(--primary);}
.article-cover{
  margin:26px 0 0;border-radius:var(--r-img);overflow:hidden;
  background:var(--bg-alt);box-shadow:var(--sh-1);
}
.article-cover img{width:100%;height:clamp(200px,32vw,380px);object-fit:cover;}
.article-cover figcaption{
  font-size:13px;color:var(--ink-3);text-align:center;padding:12px 16px;background:var(--surface);
}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;padding:40px 0 20px;align-items:start;
}
.article-main{min-width:0;}
.article-body{
  max-width:760px;font-size:16px;line-height:1.9;color:var(--ink-2);
}
.article-body p{margin-bottom:1.25em;}
.article-body h2{
  position:relative;font-size:clamp(22px,2.6vw,28px);line-height:1.4;color:var(--ink);
  margin:2.4em 0 .9em;padding-left:12px;border-left:3px solid var(--primary);
}
.article-body h3{font-size:20px;line-height:1.5;color:var(--ink);margin:1.8em 0 .6em;}
.article-body h2 + h3{margin-top:.6em;}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.35em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.6em;}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  background:var(--bg-soft);border-left:3px solid var(--primary);
  padding:18px 24px;border-radius:0 12px 12px 0;color:var(--ink-2);margin:1.6em 0;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{width:100%;border-radius:12px;margin:1.6em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:.6em;}
.article-body table{width:100%;font-size:15px;display:block;overflow-x:auto;margin:1.6em 0;}
.article-body th{background:var(--primary-08);color:var(--ink);font-weight:600;}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body tbody tr:nth-child(even){background:#FAF8F4;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--accent);}
.article-body code{background:var(--bg-soft);padding:2px 6px;border-radius:6px;font-size:14px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* ---------- 空态 ---------- */
.empty-state{
  padding:48px 24px;text-align:center;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
}
.empty-state i{font-size:48px;color:var(--primary-30);display:block;margin-bottom:16px;}
.empty-state p{color:var(--ink-2);margin-bottom:18px;}

/* ---------- 标签 / 分享 / 上下篇 ---------- */
.article-foot{max-width:760px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.share-row{display:flex;align-items:center;gap:12px;margin-top:20px;}
.share-row span{font-size:13px;color:var(--ink-3);letter-spacing:.04em;}
.share-row a{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);transition:all var(--t);
}
.share-row a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;}
.pager a{
  display:block;padding:20px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);color:var(--ink);transition:all var(--t);
}
.pager a:hover{background:var(--bg-soft);border-color:var(--primary);transform:translateY(-2px);color:var(--ink);}
.pager .pager-label{font-size:12px;letter-spacing:.08em;color:var(--ink-3);display:block;margin-bottom:8px;}
.pager .pager-title{
  font-size:15px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;
}
.pager .pager-next{text-align:right;}

/* ---------- 侧栏 ---------- */
.article-aside{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.aside-title{
  font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;
  padding-left:10px;border-left:3px solid var(--primary);line-height:1.4;
}
.aside-list li + li{border-top:1px solid var(--line);}
.aside-list a{
  display:flex;align-items:flex-start;gap:10px;padding:13px 0;color:var(--ink-2);font-size:14px;
  transition:all var(--t);
}
.aside-list a:hover{color:var(--primary);transform:translateX(3px);}
.aside-list .aside-text{flex:1;min-width:0;}
.aside-list .aside-h{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  line-height:1.55;font-size:14px;
}
.aside-list .aside-time{display:block;font-size:12px;color:var(--ink-3);margin-top:6px;letter-spacing:.03em;}
.aside-list .aside-arrow{font-size:11px;color:var(--primary-30);margin-top:4px;transition:all var(--t);}
.aside-list a:hover .aside-arrow{color:var(--accent);transform:translateX(2px);}
.aside-back{background:var(--bg-soft);}
.aside-back p{font-size:13px;color:var(--ink-2);line-height:1.75;margin-bottom:14px;}
.back-top{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--primary);
  background:transparent;color:var(--primary);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--t);
}
.back-top:hover{background:var(--primary-08);transform:translateY(-2px);}
.back-top-wrap{opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);}
.back-top-wrap.is-show{opacity:1;visibility:visible;}

/* ---------- 相关推荐 ---------- */
.related-section{padding:56px 0 20px;background:var(--bg-alt);margin-top:40px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{
  font-size:clamp(22px,3vw,30px);line-height:1.3;color:var(--ink);
  padding-left:12px;border-left:3px solid var(--primary);
}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:8px;padding-left:15px;}
.related-grid{margin-left:-12px;margin-right:-12px;}
.related-cell{padding:0 12px 24px;}
.related-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.related-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.related-body h3{
  font-size:16px;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-body p{
  font-size:13px;color:var(--ink-3);line-height:1.75;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--ink-3);letter-spacing:.03em;
}
.related-meta i{color:var(--primary);transition:transform var(--t);}
.related-card:hover .related-meta i{transform:translateX(3px);color:var(--accent);}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;margin-top:40px;
}
.cta-band::before{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:320px;
  background:radial-gradient(60% 100% at 50% 100%,rgba(31,107,96,.55),rgba(31,107,96,0) 70%);
  opacity:.6;pointer-events:none;
}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:64px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,3vw,32px);line-height:1.35;color:#fff;}
.cta-inner p{font-size:15px;color:rgba(247,244,238,.72);margin-top:12px;max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(247,244,238,.78);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;
  letter-spacing:.02em;margin-bottom:16px;
}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;}
.footer-desc{font-size:13px;line-height:1.85;color:rgba(247,244,238,.62);max-width:340px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(247,244,238,.18);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(247,244,238,.75);
  transition:all var(--t);
}
.socials a:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em;}
.footer-list li + li{margin-top:12px;}
.footer-list a{
  font-size:13px;color:rgba(247,244,238,.68);display:inline-block;transition:all var(--t);
}
.footer-list a:hover{color:var(--accent);transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;font-size:13px;color:rgba(247,244,238,.68);line-height:1.75;}
.footer-contact li + li{margin-top:12px;}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:12px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,244,238,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(247,244,238,.58);letter-spacing:.02em;
}

/* ---------- 移动端粘性条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:130;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding:8px 14px calc(8px + env(safe-area-inset-bottom));
  align-items:center;gap:12px;
}
.mobile-bar .btn{flex:1;min-height:44px;padding:12px 18px;font-size:14px;}
.mobile-bar-link{font-size:13px;color:var(--ink-2);white-space:nowrap;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .header-inner{height:60px;gap:16px;}
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:fixed;top:60px;left:0;right:0;z-index:115;
    background:#fff;border-bottom:1px solid var(--line);padding:12px 20px 22px;
    max-height:calc(100vh - 60px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity var(--t),transform var(--t),visibility var(--t);
  }
  body.nav-open .site-nav{opacity:1;visibility:visible;transform:translateY(0);}
  .site-nav > ul{flex-direction:column;align-items:stretch;gap:2px;}
  .site-nav > ul > li > a{
    height:auto;padding:13px 12px;border-radius:12px;font-size:15px;justify-content:flex-start;
  }
  .site-nav > ul > li > a::after{display:none;}
  .site-nav > ul > li > a.is-active{background:var(--primary-10);}
  .nav-hot{position:static;}
  .mega-panel{
    position:fixed;top:60px;left:0;right:0;width:auto;border-radius:0 0 18px 18px;
    grid-template-columns:1fr;max-height:calc(100vh - 60px);overflow-y:auto;
  }
  .article-layout{grid-template-columns:1fr;gap:40px;}
  .article-aside{position:static;order:2;}
  .article-main{order:1;}
  .related-grid{margin-left:-10px;margin-right:-10px;}
  .related-cell{padding:0 10px 20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{padding:52px 0;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .header-inner{height:56px;}
  .site-nav{top:56px;}
  .mega-panel{top:56px;}
  .brand{font-size:18px;}
  .icon-btn{width:38px;height:38px;}
  .body-wrap{padding-bottom:72px;}
  .breadcrumb{padding-top:18px;}
  .article-head{padding:16px 0 20px;}
  .article-meta{gap:12px;font-size:12px;}
  .article-layout{padding:28px 0 12px;gap:32px;}
  .article-body{font-size:16px;line-height:1.9;}
  .pager{grid-template-columns:1fr;}
  .pager .pager-next{text-align:left;}
  .related-section{padding:40px 0 8px;margin-top:28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .mobile-bar{display:flex;}
  .aside-card{padding:18px;}
}

/* roulang page: category1 */
:root{
  --primary:#1F6B60;
  --primary-dark:#17544B;
  --accent:#E2703A;
  --accent-dark:#CC6130;
  --gold:#C79A2E;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE1;
  --bg-soft:#F1ECE3;
  --surface:#FFFFFF;
  --ink:#16211F;
  --text:#1B1F1D;
  --muted:#5A625D;
  --weak:#8A918B;
  --border:#E2DCD2;
  --r-card:16px;
  --r-img:14px;
  --r-tall:22px;
  --r-btn:999px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(22,33,31,.06);
  --sh-2:0 10px 26px rgba(22,33,31,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:240ms;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","SF Pro Text",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--t) var(--ease),background-color var(--t) var(--ease);}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(31,107,96,.2);}
::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-thumb{background:rgba(31,107,96,.3);border-radius:999px;}
::-webkit-scrollbar-track{background:transparent;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:72px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:var(--surface);}
.sec-head{margin-bottom:36px;max-width:760px;}
.sec-head h2{
  font-size:clamp(24px,3.4vw,34px);
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--ink);
  position:relative;
  padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;background:var(--primary);
}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15px;max-width:660px;}
.sec-flex{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,244,238,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:0 4px 18px rgba(22,33,31,.08);
  border-bottom-color:var(--border);
}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--ink);
  white-space:nowrap;
}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),#2E8C7C);
  color:#fff;font-size:15px;flex:none;
  box-shadow:0 4px 12px rgba(31,107,96,.28);
}
.site-nav{flex:1;min-width:0;}
.site-nav ul{display:flex;align-items:center;gap:6px;}
.site-nav a{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:999px;
  font-size:15px;color:var(--muted);white-space:nowrap;
  transition:color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.site-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:center;
  transition:transform var(--t) var(--ease);
}
.site-nav a:hover{color:var(--primary);}
.site-nav a:hover::after{transform:scaleX(1);}
.site-nav a.is-active{
  color:var(--primary);font-weight:600;
  background:rgba(31,107,96,.1);
}
.site-nav a.is-active::after{transform:scaleX(0);}
.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-hot{position:relative;}
.nav-hot-btn{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;
  border-radius:var(--r-btn);background:var(--primary);color:#fff;
  font-size:14px;font-weight:600;
  transition:background-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.nav-hot-btn:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 18px rgba(31,107,96,.24);}
.nav-hot-btn i{font-size:11px;transition:transform var(--t) var(--ease);}
.nav-hot:hover .nav-hot-btn i,
.nav-hot.is-open .nav-hot-btn i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:640px;
  background:var(--surface);border-radius:18px;border-top:3px solid var(--primary);
  box-shadow:0 24px 54px rgba(22,33,31,.18);
  padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t);
  transition-delay:150ms;
}
.nav-hot:hover .mega-panel,
.nav-hot:focus-within .mega-panel,
.nav-hot.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);transition-delay:0ms;}
.mega-title{font-size:12px;letter-spacing:.08em;color:var(--weak);margin-bottom:12px;}
.mega-list li+li{margin-top:2px;}
.mega-list a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--muted);
}
.mega-list a:hover{background:var(--bg-soft);color:var(--primary);}
.mega-list .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);opacity:.55;flex:none;}
.mega-cards{display:grid;gap:12px;}
.mega-card{
  display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:12px;
  padding:12px;border:1px solid var(--border);border-radius:14px;background:var(--surface);
  box-shadow:var(--sh-1);color:var(--text);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(31,107,96,.3);color:var(--text);}
.mega-card img{width:52px;height:52px;border-radius:10px;object-fit:cover;}
.mega-card h4{font-size:14px;line-height:1.4;color:var(--ink);}
.mega-card p{margin-top:4px;font-size:12px;color:var(--weak);line-height:1.5;}
.mega-card .arrow{font-size:12px;color:var(--primary);transition:transform var(--t) var(--ease);}
.mega-card:hover .arrow{transform:translateX(4px);}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:var(--surface);color:var(--muted);
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(31,107,96,.4);background:rgba(31,107,96,.06);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  align-items:center;justify-content:center;
  border:1px solid var(--border);background:var(--surface);color:var(--muted);
}

/* ---------- breadcrumb & page banner ---------- */
.page-banner{
  position:relative;
  padding:44px 0 64px;
  background:
    radial-gradient(900px 380px at 88% -10%,rgba(31,107,96,.12),transparent 62%),
    linear-gradient(180deg,#FBF9F5 0%,var(--bg) 100%);
  overflow:hidden;
}
.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:22px;}
.breadcrumb ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--weak);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb [aria-current="page"]{color:var(--primary);font-weight:600;}
.banner-grid{display:flex;flex-wrap:wrap;gap:48px;align-items:center;}
.banner-copy{flex:1 1 420px;min-width:300px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--primary);font-weight:600;
  background:rgba(31,107,96,.1);border-radius:var(--r-tag);padding:6px 12px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
.banner-copy h1{
  margin-top:18px;
  font-size:clamp(30px,5.2vw,48px);
  line-height:1.25;letter-spacing:-.01em;color:var(--ink);
}
.banner-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:520px;}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.banner-meta{display:flex;gap:34px;flex-wrap:wrap;margin-top:34px;padding-top:24px;border-top:1px solid var(--border);}
.banner-meta .m-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:22px;font-weight:700;color:var(--primary);display:block;
}
.banner-meta .m-lab{font-size:12px;color:var(--weak);letter-spacing:.04em;}
.banner-visual{position:relative;flex:1 1 380px;min-width:280px;height:420px;}
.banner-visual::after{
  content:"";position:absolute;left:-20px;bottom:-20px;width:180px;height:180px;
  border-radius:26px;background:var(--bg-alt);z-index:0;
}
.banner-card{
  position:absolute;border-radius:var(--r-tall);overflow:hidden;box-shadow:var(--sh-2);z-index:1;
}
.banner-card img{width:100%;height:100%;object-fit:cover;}
.banner-card.card-a{width:62%;height:360px;left:0;top:0;}
.banner-card.card-b{width:48%;height:230px;right:0;bottom:0;border:6px solid var(--surface);}
.banner-card .cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;color:#fff;font-size:13px;
  background:linear-gradient(180deg,rgba(22,33,31,0),rgba(22,33,31,.82));
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(226,112,58,.26);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(226,112,58,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1.5px solid var(--primary);color:var(--primary);}
.btn-ghost:hover{background:rgba(31,107,96,.08);color:var(--primary-dark);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#fff;color:var(--primary);transform:translateY(-1px);box-shadow:0 10px 22px rgba(0,0,0,.18);}
.link-more{
  font-size:14px;font-weight:600;color:var(--primary);
  text-decoration:underline;text-underline-offset:4px;
}
.link-more:hover{color:var(--accent);}

/* ---------- stats bar ---------- */
.stats-bar{background:var(--bg-alt);padding:36px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:6px 24px;border-left:1px solid var(--border);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;color:var(--primary);line-height:1.2;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px;}
.stat-label{margin-top:6px;font-size:12px;color:var(--muted);letter-spacing:.04em;}

/* ---------- split section ---------- */
.split-row{margin-left:-12px;margin-right:-12px;}
.split-row>.cell{padding-left:12px;padding-right:12px;width:100%;}
@media (min-width:1025px){
  .split-row>.cell.large-7{width:58.3333%;flex:0 0 58.3333%;}
  .split-row>.cell.large-5{width:41.6667%;flex:0 0 41.6667%;}
  .split-row>.cell.large-8{width:66.6666%;flex:0 0 66.6666%;}
  .split-row>.cell.large-4{width:33.3333%;flex:0 0 33.3333%;}
}
.step-list{border-top:1px solid var(--border);}
.step-item{
  display:flex;align-items:flex-start;gap:20px;
  padding:22px 18px 22px 0;
  border-bottom:1px solid var(--border);
  transition:background-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.step-item:hover{background:var(--bg-soft);transform:translateX(4px);}
.step-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;line-height:1;
  color:rgba(31,107,96,.25);flex:none;width:56px;padding-left:14px;
  transition:color var(--t) var(--ease);
}
.step-item:hover .step-num{color:var(--accent);}
.step-body h3{font-size:18px;line-height:1.5;color:var(--ink);}
.step-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8;}
.tall-cards{display:grid;gap:20px;}
.tall-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-tall);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.tall-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.tall-card img{width:100%;height:190px;object-fit:cover;transition:transform var(--t) var(--ease);}
.tall-card:hover img{transform:scale(1.03);}
.tall-body{padding:20px 22px 24px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-tag);
  font-size:12px;letter-spacing:.04em;background:rgba(31,107,96,.1);color:var(--primary);
}
.badge-gold{background:rgba(199,154,46,.18);color:#8A6A15;}
.tall-body h3{margin-top:12px;font-size:18px;line-height:1.5;color:var(--ink);}
.tall-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8;}
.side-note{
  margin-top:20px;padding:20px 22px;border-radius:var(--r-card);
  background:var(--bg-soft);border-left:3px solid var(--primary);
  font-size:14px;color:var(--muted);line-height:1.85;
}

/* ---------- scene ---------- */
.scene-row{align-items:center;}
.scene-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);}
.scene-media img{width:100%;height:360px;object-fit:cover;}
.scene-cap{
  position:absolute;left:0;right:0;bottom:0;padding:18px 22px;color:#fff;font-size:13px;
  background:linear-gradient(180deg,rgba(22,33,31,0),rgba(22,33,31,.86));
}
.check-list{margin-top:26px;display:grid;gap:14px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--r-card);background:var(--surface);
  border:1px solid var(--border);box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(31,107,96,.28);}
.check-item i{color:var(--primary);font-size:16px;margin-top:4px;flex:none;}
.check-item h3{font-size:16px;color:var(--ink);}
.check-item p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- faq ---------- */
.faq-wrap{max-width:840px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item+.faq-item{border-top:1px solid var(--border);}
.faq-title{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease);
}
.faq-title:hover{background:var(--bg-soft);color:var(--primary);}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(31,107,96,.1);color:var(--primary);font-size:16px;line-height:1;
  transition:transform var(--t) var(--ease),background-color var(--t) var(--ease),color var(--t) var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--accent);color:#fff;}
.faq-content{
  max-height:0;overflow:hidden;padding:0 24px;
  transition:max-height 320ms var(--ease),padding 320ms var(--ease);
}
.faq-item.is-open .faq-content{max-height:420px;padding:0 24px 24px;background:var(--bg-soft);}
.faq-content p{font-size:15px;color:var(--muted);line-height:1.9;max-width:720px;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,107,96,.55),rgba(31,107,96,0) 68%);
  opacity:.6;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;letter-spacing:-.01em;color:#fff;}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(247,244,238,.72);max-width:520px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(247,244,238,.78);padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;letter-spacing:.02em;}
.footer-desc{margin-top:16px;font-size:13px;line-height:1.9;color:rgba(247,244,238,.62);max-width:320px;}
.socials{display:flex;gap:12px;margin-top:20px;}
.socials a{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(247,244,238,.2);color:rgba(247,244,238,.8);font-size:14px;
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.socials a:hover{background:var(--accent);border-color:var(--accent);color:#fff;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-list li+li{margin-top:10px;}
.footer-list a{color:rgba(247,244,238,.68);font-size:13px;display:inline-block;transition:color var(--t) var(--ease),transform var(--t) var(--ease);}
.footer-list a:hover{color:var(--accent);transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;font-size:13px;color:rgba(247,244,238,.62);line-height:1.8;}
.footer-contact li+li{margin-top:12px;}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:12px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,244,238,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(247,244,238,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .header-inner{height:64px;gap:16px;}
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:fixed;top:64px;right:0;bottom:0;width:min(320px,84vw);
    background:var(--surface);padding:20px;overflow-y:auto;
    box-shadow:-12px 0 34px rgba(22,33,31,.16);
    transform:translateX(102%);transition:transform 260ms var(--ease);
    z-index:70;
  }
  .site-nav.is-open{transform:translateX(0);}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:4px;}
  .site-nav a{padding:12px 16px;border-radius:12px;font-size:15px;justify-content:flex-start;}
  .site-nav a::after{display:none;}
  .nav-hot{display:none;}
  .banner-visual{height:340px;}
  .banner-card.card-a{height:300px;}
  .banner-card.card-b{height:190px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  body{line-height:1.9;}
  .section{padding:52px 0;}
  .header-inner{height:56px;}
  .brand{font-size:17px;}
  .brand-mark{width:28px;height:28px;font-size:13px;}
  .site-nav{top:56px;}
  .site-nav a{font-size:16px;}
  .page-banner{padding:30px 0 46px;}
  .banner-grid{gap:30px;}
  .banner-copy h1{font-size:30px;}
  .banner-sub{font-size:16px;line-height:1.9;}
  .banner-actions .btn{flex:1 1 100%;}
  .banner-meta{gap:22px;}
  .banner-visual{height:290px;}
  .banner-card.card-a{width:74%;height:250px;}
  .banner-card.card-b{width:56%;height:160px;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat{border-left:0;padding:14px 0;}
  .stat:nth-child(even){padding-left:18px;border-left:1px solid var(--border);}
  .step-item{padding:18px 14px 18px 0;gap:14px;}
  .step-num{width:44px;font-size:24px;padding-left:8px;}
  .scene-media img{height:240px;}
  .faq-title{padding:18px;font-size:16px;}
  .faq-content{padding:0 18px;}
  .faq-item.is-open .faq-content{padding:0 18px 20px;}
  .cta-band{padding:48px 0;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --brand:#1F6B60;
  --brand-rgb:31,107,96;
  --accent:#E2703A;
  --gold:#C79A2E;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE1;
  --surface:#FFFFFF;
  --dark:#16211F;
  --text:#1B1F1D;
  --text-2:#5A625D;
  --text-3:#8A918B;
  --border:#E2DCD2;
  --r-card:16px;
  --r-img:14px;
  --r-phone:22px;
  --r-btn:999px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(22,33,31,.06);
  --sh-2:0 10px 26px rgba(22,33,31,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:240ms cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"SF Pro Text",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
h1{font-size:clamp(30px,5.2vw,48px);line-height:1.25;letter-spacing:-.01em;font-weight:800}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;letter-spacing:-.01em;font-weight:800}
h3{font-size:20px;line-height:1.5;font-weight:700}
p{line-height:1.85}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
::selection{background:rgba(var(--brand-rgb),.2)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-alt)}
::-webkit-scrollbar-thumb{background:rgba(var(--brand-rgb),.3);border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:rgba(var(--brand-rgb),.5)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.grid-x{display:flex;flex-wrap:wrap}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.cell{width:100%;min-width:0}
.small-12{width:100%}
.medium-6{width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-scrolled{
  background:rgba(247,244,238,.86);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom-color:rgba(22,33,31,.06);
  box-shadow:0 8px 24px rgba(22,33,31,.07);
}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--text);
  white-space:nowrap;
}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:14px;
  box-shadow:0 4px 10px rgba(var(--brand-rgb),.28);
}
.site-nav{margin-left:6px}
.site-nav ul{display:flex;align-items:center;gap:4px}
.site-nav a{
  position:relative;display:block;padding:9px 14px;border-radius:var(--r-btn);
  font-size:15px;color:var(--text-2);transition:color var(--t),background var(--t);
}
.site-nav a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:3px;height:2px;
  background:var(--brand);border-radius:2px;transition:left var(--t),right var(--t);
}
.site-nav a:hover{color:var(--brand)}
.site-nav a:hover::after{left:14px;right:14px}
.site-nav a.is-active{
  background:rgba(var(--brand-rgb),.1);color:var(--brand);font-weight:700;
}
.site-nav a.is-active::after{left:50%;right:50%}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav-hot{position:relative}
.nav-hot-btn{
  display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 16px;
  border:1px solid var(--border);border-radius:var(--r-btn);background:#fff;
  color:var(--text);font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color var(--t),color var(--t),box-shadow var(--t);
}
.nav-hot-btn:hover{border-color:rgba(var(--brand-rgb),.5);color:var(--brand);box-shadow:var(--sh-1)}
.nav-hot-btn i{font-size:11px;transition:transform var(--t)}
.nav-hot.is-open .nav-hot-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:640px;
  background:#fff;border-radius:18px;padding:22px;
  box-shadow:0 24px 50px rgba(22,33,31,.16);
  border-top:3px solid var(--brand);
  display:grid;grid-template-columns:230px 1fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mega-panel::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}
.nav-hot:hover .mega-panel,
.nav-hot:focus-within .mega-panel,
.nav-hot.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.08em;color:var(--text-3);margin-bottom:12px}
.mega-list li+li{margin-top:2px}
.mega-list a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--text-2);transition:background var(--t),color var(--t),transform var(--t);
}
.mega-list a .dot{width:6px;height:6px;border-radius:50%;background:rgba(var(--brand-rgb),.45);flex:none}
.mega-list a:hover{background:var(--bg);color:var(--brand);transform:translateX(3px)}
.mega-cards{display:grid;gap:12px}
.mega-card{
  display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:12px;
  padding:10px;border:1px solid var(--border);border-radius:14px;background:#fff;
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.mega-card img{width:64px;height:64px;object-fit:cover;border-radius:10px}
.mega-card h4{font-size:14px;font-weight:700;line-height:1.5}
.mega-card p{font-size:12px;color:var(--text-3);line-height:1.6;margin-top:2px}
.mega-card .arrow{font-size:12px;color:var(--brand);transition:transform var(--t)}
.mega-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(var(--brand-rgb),.3)}
.mega-card:hover .arrow{transform:translateX(3px)}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:#fff;
  color:var(--text-2);cursor:pointer;display:grid;place-items:center;
  transition:color var(--t),border-color var(--t),box-shadow var(--t);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(var(--brand-rgb),.45);box-shadow:var(--sh-1)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--text);cursor:pointer;place-items:center;
}
.nav-toggle:hover{color:var(--brand);border-color:rgba(var(--brand-rgb),.45)}

/* ---------- banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  min-height:260px;display:flex;align-items:center;
  background-image:linear-gradient(rgba(31,107,96,.93),rgba(31,107,96,.93)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;
}
.page-banner .container{position:relative;z-index:2;padding-top:34px;padding-bottom:38px}
.banner-arc{
  position:absolute;right:-120px;top:-90px;width:460px;height:460px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.22);pointer-events:none;
}
.banner-arc::after{
  content:"";position:absolute;left:70px;top:70px;right:70px;bottom:70px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.14);
}
.banner-arc2{
  position:absolute;left:-160px;bottom:-200px;width:420px;height:420px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.12);pointer-events:none;
}
.crumb{margin-bottom:20px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.78)}
.crumb li+li::before{content:"/";margin-right:8px;color:rgba(255,255,255,.45)}
.crumb a{color:rgba(255,255,255,.78);transition:color var(--t)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumb li[aria-current]{color:#fff;font-weight:600}
.banner-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.86);margin-bottom:14px;
}
.banner-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--gold)}
.page-banner h1{color:#fff;max-width:820px}
.banner-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.86);max-width:620px;line-height:1.8}

/* ---------- section base ---------- */
.section{padding:64px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.section-head{margin-bottom:32px;max-width:760px}
.section-head .tag-label{
  display:inline-flex;align-items:center;gap:7px;font-size:12px;letter-spacing:.08em;
  color:var(--brand);margin-bottom:12px;font-weight:700;
}
.section-head h2{position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--brand);
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:680px}

/* ---------- cascade cards ---------- */
.cascade{margin-top:8px}
.cascade .cell{margin-bottom:24px}
.cascade-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cascade-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(var(--brand-rgb),.28)}
.cascade-media{position:relative;overflow:hidden;background:var(--bg-alt)}
.cascade-media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.cascade-card:hover .cascade-media img{transform:scale(1.03)}
.h-md{height:210px}
.h-lg{height:270px}
.h-xl{height:340px}
.cascade-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.cascade-body h3{margin-bottom:10px}
.cascade-body p{font-size:15px;color:var(--text-2);line-height:1.85}
.cascade-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:10px;
  font-size:12px;color:var(--text-3);
  border-top:1px solid var(--border);
}
.cascade-meta .num{color:var(--text-2)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-tag);
  font-size:12px;letter-spacing:.02em;
}
.badge-brand{background:rgba(var(--brand-rgb),.1);color:var(--brand);font-weight:600}
.badge-gold{background:rgba(199,154,46,.18);color:#8A6812;font-weight:700}
.cascade-offset{transform:translateY(28px)}

/* ---------- compare list ---------- */
.compare{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.compare-row{
  display:grid;grid-template-columns:220px 1fr;gap:24px;
  padding:26px 28px;align-items:start;
  transition:background var(--t);
}
.compare-row+.compare-row{border-top:1px solid var(--border)}
.compare-row:hover{background:#F9F6F1}
.compare-label{display:flex;align-items:flex-start;gap:12px}
.compare-label .idx{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(var(--brand-rgb),.1);border-radius:8px;padding:3px 9px;flex:none;
  font-variant-numeric:tabular-nums;
}
.compare-label strong{font-size:17px;font-weight:700;line-height:1.6}
.compare-desc{font-size:15px;color:var(--text-2);line-height:1.85}
.compare-desc em{font-style:normal;color:var(--brand);font-weight:600}

/* ---------- steps timeline ---------- */
.timeline{position:relative;margin-top:10px}
.timeline::before{
  content:"";position:absolute;left:15px;top:12px;bottom:16px;width:1px;background:var(--border);
}
.step{position:relative;padding:0 0 26px 52px}
.step:last-child{padding-bottom:0}
.step .dot{
  position:absolute;left:8px;top:6px;width:15px;height:15px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:15px;color:var(--text-2)}
.step .step-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.06em;display:block;margin-bottom:4px;
}
.step-side{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;height:100%;
}
.step-side img{border-radius:var(--r-img);height:190px;width:100%;object-fit:cover;margin-bottom:18px}
.step-side h3{margin-bottom:10px}
.step-side p{font-size:15px;color:var(--text-2)}
.step-side ul{margin-top:14px}
.step-side li{
  position:relative;padding-left:18px;font-size:15px;color:var(--text-2);line-height:1.9;
}
.step-side li::before{
  content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}

/* ---------- faq ---------- */
.faq-wrap{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:8px 26px;overflow:hidden;
}
.faq-item+.faq-item{border-top:1px solid var(--border)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 2px;border:0;background:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color var(--t);
}
.faq-q:hover{color:var(--brand)}
.faq-q i{
  flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:rgba(var(--brand-rgb),.1);color:var(--brand);font-size:12px;
  transition:transform var(--t),background var(--t);
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease)}
.faq-a-inner{
  background:var(--bg);border-radius:12px;padding:16px 20px;margin:0 0 20px;
  font-size:15px;color:var(--text-2);line-height:1.9;
}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;
}
.cta-band::before{
  content:"";position:absolute;right:-140px;top:-140px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(255,255,255,.06);
}
.cta-band::after{
  content:"";position:absolute;left:-100px;bottom:-200px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.05);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
  padding:56px 0;
}
.cta-inner h2{color:#fff}
.cta-inner p{margin-top:12px;color:rgba(247,244,238,.72);font-size:15px;max-width:560px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),filter var(--t);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(226,112,58,.28)}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 12px 24px rgba(226,112,58,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(226,112,58,.24)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(var(--brand-rgb),.08)}
.btn-light{background:#fff;color:var(--dark)}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(0,0,0,.22)}
.text-link{
  color:var(--brand);font-size:15px;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  transition:color var(--t);
}
.text-link:hover{color:var(--accent)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(247,244,238,.78);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{
  display:flex;align-items:center;gap:9px;
  font-size:18px;font-weight:800;color:#fff;letter-spacing:.02em;margin-bottom:14px;
}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(247,244,238,.62);max-width:320px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:rgba(247,244,238,.82);font-size:14px;
  transition:background var(--t),color var(--t),transform var(--t);
}
.socials a:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-list li+li{margin-top:10px}
.footer-list a{
  font-size:14px;color:rgba(247,244,238,.7);
  transition:color var(--t),transform var(--t);display:inline-block;
}
.footer-list a:hover{color:var(--accent);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(247,244,238,.7);line-height:1.8}
.footer-contact li+li{margin-top:10px}
.footer-contact i{color:rgba(247,244,238,.45);margin-top:6px;font-size:13px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(247,244,238,.55);
}

/* ---------- mobile bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:120;
  height:56px;padding:0 16px calc(0px + env(safe-area-inset-bottom,0px));
  align-items:center;gap:14px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--border);
}
.mobile-bar .btn{flex:1;height:42px;padding:0 18px;font-size:15px}

/* ---------- responsive ---------- */
@media (min-width:641px){
  .medium-6{width:50%}
}
@media (min-width:1025px){
  .large-3{width:25%}
  .large-4{width:33.3333%}
  .large-5{width:41.6667%}
  .large-7{width:58.3333%}
  .large-8{width:66.6667%}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .site-nav{
    position:fixed;top:0;right:0;z-index:130;
    width:min(86vw,340px);height:100vh;
    background:#fff;box-shadow:-16px 0 40px rgba(22,33,31,.16);
    padding:88px 20px 28px;overflow-y:auto;
    transform:translateX(102%);transition:transform 260ms var(--ease);
  }
  .site-nav.is-open{transform:translateX(0)}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav a{padding:13px 14px;font-size:16px}
  .site-nav a::after{display:none}
  .site-nav a.is-active{background:rgba(var(--brand-rgb),.1)}
  .nav-toggle{display:grid}
  .mega-panel{
    width:min(86vw,360px);grid-template-columns:1fr;left:auto;right:0;padding:18px;
  }
  .mega-card{grid-template-columns:56px 1fr auto}
  .mega-card img{width:56px;height:56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .compare-row{grid-template-columns:180px 1fr;gap:18px;padding:22px}
  .cascade-offset{transform:none}
  .h-xl{height:300px}
}
@media (max-width:640px){
  body{line-height:1.9;padding-bottom:calc(56px + env(safe-area-inset-bottom,0px))}
  .container{padding:0 18px}
  .header-inner{height:56px;gap:14px}
  .brand{font-size:18px}
  .brand-mark{width:26px;height:26px;font-size:12px}
  .nav-hot-btn{height:36px;padding:0 12px;font-size:13px}
  .icon-btn{width:36px;height:36px}
  .section{padding:44px 0}
  .page-banner{min-height:180px}
  .page-banner .container{padding-top:26px;padding-bottom:28px}
  .banner-sub{font-size:15px;margin-top:10px}
  .banner-arc{width:280px;height:280px;right:-110px;top:-90px}
  .cascade .cell{margin-bottom:18px}
  .h-md,.h-lg,.h-xl{height:200px}
  .cascade-body{padding:18px}
  .compare-row{grid-template-columns:1fr;gap:10px;padding:20px 18px}
  .faq-wrap{padding:6px 18px}
  .faq-q{font-size:16px;padding:18px 0}
  .cta-inner{grid-template-columns:1fr;gap:22px;padding:44px 0}
  .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .mobile-bar{display:flex}
  .timeline::before{left:11px}
  .step{padding-left:40px}
  .step .dot{left:5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category3 */
:root{
  --brand:#1F6B60;
  --brand-soft:rgba(31,107,96,.10);
  --brand-soft-2:rgba(31,107,96,.06);
  --accent:#E2703A;
  --accent-soft:rgba(226,112,58,.12);
  --gold:#C79A2E;
  --gold-soft:rgba(199,154,46,.16);
  --bg:#F7F4EE;
  --bg-alt:#EFEAE1;
  --bg-hover:#F1ECE3;
  --dark:#16211F;
  --text:#1B1F1D;
  --text-2:#5A625D;
  --text-3:#8A918B;
  --border:#E2DCD2;
  --white:#FFFFFF;
  --r-card:16px;
  --r-img:14px;
  --r-poster:22px;
  --r-btn:999px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(22,33,31,.06);
  --sh-2:0 10px 26px rgba(22,33,31,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:240ms cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","SF Pro Text",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background-color var(--t),transform var(--t)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.005em;color:var(--text)}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
::selection{background:rgba(31,107,96,.2)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(31,107,96,.3);border-radius:999px}
::-webkit-scrollbar-track{background:transparent}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--white)}
.h2-line{position:relative;padding-left:14px;font-size:clamp(24px,3.4vw,34px);line-height:1.3}
.h2-line::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;background:var(--brand)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-desc{color:var(--text-2);font-size:15px;max-width:760px;margin-top:10px}
.text-link{font-size:14px;font-weight:600;color:var(--brand);text-decoration:underline;text-underline-offset:4px;white-space:nowrap}
.text-link:hover{color:var(--accent)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:var(--r-tag);font-size:12px;letter-spacing:.04em;background:var(--brand-soft);color:var(--brand);font-weight:600}
.badge-hot{background:var(--gold-soft);color:#7A5A12}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:14px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:0;transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(226,112,58,.24)}
.btn-primary:hover{background:#d1652f;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(226,112,58,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:var(--brand-soft-2);color:var(--brand);transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:80;background:transparent;transition:background-color var(--t),box-shadow var(--t),backdrop-filter var(--t)}
.site-header.is-scrolled{background:rgba(247,244,238,.86);backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(226,220,210,.9),0 10px 24px rgba(22,33,31,.06)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--text);white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;font-size:15px;box-shadow:0 4px 10px rgba(31,107,96,.24)}
.site-nav ul{display:flex;align-items:center;gap:4px}
.site-nav a{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-btn);font-size:15px;color:var(--text-2);font-weight:500;transition:color var(--t),background-color var(--t)}
.site-nav a::after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;background:var(--brand);border-radius:2px;transition:left var(--t),right var(--t)}
.site-nav a:hover{color:var(--brand)}
.site-nav a:hover::after{left:14px;right:14px}
.site-nav a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.site-nav a.is-active::after{display:none}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:var(--white);color:var(--text-2);transition:var(--t)}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);box-shadow:var(--sh-1)}
.nav-hot{position:relative}
.nav-hot-btn{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--r-btn);border:1.5px solid var(--brand);background:transparent;color:var(--brand);font-size:14px;font-weight:600;transition:var(--t)}
.nav-hot-btn i{font-size:11px;transition:transform var(--t)}
.nav-hot-btn:hover{background:var(--brand-soft-2)}
.nav-hot.is-open .nav-hot-btn{background:var(--brand);color:#fff;border-color:var(--brand)}
.nav-hot.is-open .nav-hot-btn i{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:640px;padding:24px;background:var(--white);border-radius:18px;border-top:3px solid var(--brand);box-shadow:0 22px 48px rgba(22,33,31,.16);display:grid;grid-template-columns:1fr 1fr;gap:26px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity var(--t),transform var(--t),visibility var(--t)}
.nav-hot.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;margin-bottom:12px;font-weight:600}
.mega-list li+li{margin-top:2px}
.mega-list a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--text);transition:var(--t)}
.mega-list a:hover{background:var(--bg-hover);color:var(--brand);transform:translateX(4px)}
.mega-list .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:none}
.mega-cards{display:flex;flex-direction:column;gap:12px}
.mega-card{display:grid;grid-template-columns:64px 1fr 18px;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:14px;background:var(--white);box-shadow:var(--sh-1);transition:var(--t)}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:transparent}
.mega-card img{width:64px;height:64px;border-radius:12px;object-fit:cover}
.mega-card h4{font-size:15px;margin-bottom:2px;color:var(--text)}
.mega-card p{font-size:12px;color:var(--text-3);margin:0}
.mega-card .arrow{color:var(--brand);font-size:12px;transition:transform var(--t)}
.mega-card:hover .arrow{transform:translateX(4px)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:var(--white);color:var(--text);font-size:16px}

/* ===== 顶部紧凑条 ===== */
.cat-banner{position:relative;min-height:160px;display:flex;align-items:center;background-color:var(--bg);background-image:linear-gradient(100deg,rgba(247,244,238,.96) 0%,rgba(247,244,238,.88) 52%,rgba(247,244,238,.72) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;border-bottom:1px solid var(--border)}
.cat-banner .container{padding-top:28px;padding-bottom:28px}
.breadcrumb{font-size:12px;color:var(--text-3);margin-bottom:14px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--border)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current]{color:var(--brand);font-weight:600}
.cat-banner h1{font-size:clamp(30px,5.2vw,48px);line-height:1.25;letter-spacing:-.01em;margin-bottom:12px}
.banner-sub{font-size:16px;color:var(--text-2);margin:0;max-width:760px}

/* ===== 快捷状态条 ===== */
.status-band{background:var(--dark);color:#fff}
.status-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.status-item{padding:26px 22px;border-left:1px solid rgba(255,255,255,.10);transition:background-color var(--t)}
.status-item:first-child{border-left:0}
.status-item:hover{background:rgba(255,255,255,.05)}
.status-item .s-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.6)}
.status-item .s-dot i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.status-item h3{font-size:17px;color:#fff;margin:10px 0 6px}
.status-item p{font-size:13px;color:rgba(255,255,255,.66);margin:0 0 10px}
.status-item a{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#fff;text-decoration:underline;text-underline-offset:4px}
.status-item a:hover{color:var(--accent)}

/* ===== 时间线 ===== */
.timeline{margin-top:12px;position:relative}
.timeline-item{position:relative;padding:0 0 30px 34px;border-left:1px solid var(--border);margin-left:7px}
.timeline-item:last-child{border-left-color:transparent;padding-bottom:0}
.timeline-item::before{content:"";position:absolute;left:-6px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--white);border:2px solid var(--brand);transition:var(--t)}
.timeline-item:hover::before{background:var(--accent);border-color:var(--accent)}
.tl-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.timeline-item:hover .tl-card{transform:translateX(4px);box-shadow:var(--sh-2)}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.tl-index{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.06em}
.tl-card h3{font-size:18px;margin:0 0 8px}
.tl-card p{font-size:15px;color:var(--text-2);margin:0 0 12px}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:12px;color:var(--text-3)}
.tl-meta i{margin-right:5px;color:var(--brand)}
.tl-tips{margin-top:12px;padding:12px 16px;background:var(--bg-hover);border-left:3px solid var(--brand);border-radius:8px;font-size:14px;color:var(--text-2)}

/* ===== 图文双栏 ===== */
.dual-block{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center}
.dual-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.dual-media img{width:100%;height:380px;object-fit:cover;border-radius:var(--r-card);transition:transform 260ms var(--ease)}
.dual-media:hover img{transform:scale(1.03)}
.dual-media .media-tag{position:absolute;left:16px;bottom:16px;background:rgba(22,33,31,.72);color:#fff;font-size:12px;padding:6px 12px;border-radius:var(--r-tag);letter-spacing:.04em}
.dual-copy h2{margin-bottom:14px}
.check-list li{display:grid;grid-template-columns:20px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--accent);margin-top:6px;font-size:14px}
.check-list strong{display:block;font-size:16px;margin-bottom:2px}
.check-list span{font-size:14px;color:var(--text-2)}

/* ===== FAQ 折叠 ===== */
.faq{margin-top:20px;border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 4px;background:transparent;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--text);transition:color var(--t)}
.faq-q:hover{color:var(--brand)}
.faq-q .faq-ico{flex:none;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;color:var(--brand);font-size:14px;transition:transform 260ms var(--ease)}
.faq-item.is-open .faq-ico{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease)}
.faq-a-inner{padding:0 4px 22px;background:transparent;color:var(--text-2);font-size:15px}
.faq-item.is-open .faq-a-inner{background:var(--bg-hover);border-radius:10px;padding:16px 20px;margin-bottom:20px}

/* ===== CTA 折叠条 ===== */
.cta-fold{background:var(--dark);border-radius:var(--r-card);padding:26px 32px;color:#fff;position:relative;overflow:hidden}
.cta-fold::after{content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;border:1px solid rgba(255,255,255,.06);pointer-events:none}
.cta-fold-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;position:relative;z-index:1}
.cta-fold-head h2{font-size:clamp(20px,2.6vw,26px);color:#fff}
.cta-fold-head p{font-size:14px;color:rgba(255,255,255,.66);margin:8px 0 0}
.cta-fold-toggle{display:inline-flex;align-items:center;gap:8px;background:transparent;border:1.5px solid rgba(255,255,255,.4);color:#fff;border-radius:var(--r-btn);padding:12px 22px;font-size:14px;font-weight:600;transition:var(--t)}
.cta-fold-toggle:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.cta-fold-toggle i{transition:transform 260ms var(--ease)}
.cta-fold.is-open .cta-fold-toggle i{transform:rotate(45deg)}
.cta-fold-body{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease);position:relative;z-index:1}
.cta-fold.is-open .cta-fold-body{max-height:420px}
.cta-fold-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-top:24px;margin-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.cta-fold-grid h4{font-size:15px;color:#fff;margin-bottom:6px}
.cta-fold-grid p{font-size:13px;color:rgba(255,255,255,.62);margin:0}
.cta-fold-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(247,244,238,.72);padding:64px 0 28px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:14px}
.footer-desc{font-size:14px;color:rgba(247,244,238,.62);line-height:1.85;margin-bottom:18px}
.socials{display:flex;gap:10px}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.14);color:rgba(247,244,238,.8);transition:var(--t)}
.socials a:hover{color:#fff;border-color:var(--accent);background:rgba(226,112,58,.16);transform:translateY(-2px)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-list li+li{margin-top:10px}
.footer-list a,.footer-contact span{font-size:14px;color:rgba(247,244,238,.66);transition:var(--t)}
.footer-list a{display:inline-block}
.footer-list a:hover{color:var(--accent);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(247,244,238,.66)}
.footer-contact li+li{margin-top:12px}
.footer-contact i{color:var(--brand);margin-top:5px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);font-size:12px;color:rgba(247,244,238,.6)}

/* ===== 移动端底部条 ===== */
.mobile-bar{display:none}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .container{padding:0 24px}
  .site-nav{position:fixed;left:0;right:0;top:56px;background:var(--white);padding:14px 24px 22px;box-shadow:0 16px 32px rgba(22,33,31,.14);display:none;z-index:79;max-height:72vh;overflow:auto}
  .site-nav.is-open{display:block}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav a{height:46px}
  .site-nav a::after{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:56px;gap:12px}
  .brand{font-size:18px}
  .nav-hot-btn{padding:0 14px}
  .mega-panel{position:fixed;left:18px;right:18px;top:72px;width:auto;grid-template-columns:1fr;max-height:70vh;overflow:auto}
  .status-grid{grid-template-columns:repeat(2,1fr)}
  .status-item:nth-child(3){border-left:0}
  .status-item{border-top:1px solid rgba(255,255,255,.10);padding:22px 18px}
  .dual-block{grid-template-columns:1fr;gap:24px}
  .dual-media img{height:300px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-fold-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{padding-bottom:70px;line-height:1.9}
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:20px}
  .cat-banner{min-height:150px}
  .status-grid{grid-template-columns:1fr}
  .status-item{border-left:0;padding:20px 0}
  .timeline-item{padding-left:24px}
  .tl-card{padding:18px 16px}
  .dual-media img{height:220px}
  .faq-q{font-size:16px;padding:18px 0}
  .cta-fold{padding:22px 18px}
  .cta-fold-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .mobile-bar{display:flex;align-items:center;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:90;height:56px;padding:0 16px calc(env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-top:1px solid var(--border)}
  .mobile-bar .btn{flex:1;min-height:40px;padding:10px 16px;font-size:14px}
  .mobile-bar .text-link{font-size:14px}
}