/* roulang page: index */
:root{
  --primary:#0F6B5C;
  --primary-dark:#0A4A40;
  --primary-light:#E3F0EC;
  --accent:#E07A32;
  --accent-light:#FBEEE2;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E2E6E3;
  --dark:#0B241F;
  --text:#10201C;
  --text-2:#4C5B57;
  --text-3:#8A9691;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,28,.05),0 8px 24px -16px rgba(16,32,28,.18);
  --sh-2:0 14px 36px -18px rgba(16,32,28,.26);
  --container:1200px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
::selection{background:var(--primary-light);color:var(--primary-dark)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.container-wide{max-width:1280px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px -18px rgba(16,32,28,.5)}
.nav-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:16px}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:26px;min-width:0}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;transition:color var(--ease);white-space:nowrap}
.nav-link:hover{color:var(--primary)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:var(--primary)}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}

.logo{display:inline-flex;align-items:center;gap:10px;justify-self:center;transition:opacity var(--ease)}
.logo:hover{opacity:.85}
.logo:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:8px}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;display:grid;place-items:center;flex:0 0 auto}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.6px;color:var(--text)}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:1.2px;color:var(--text-3)}
.logo-light .logo-mark{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22)}
.logo-light .logo-text strong{color:#fff}
.logo-light .logo-text em{color:rgba(255,255,255,.55)}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1.5px solid var(--line);background:#fff;cursor:pointer;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);background:var(--primary-light)}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-toggle svg{width:18px;height:18px;stroke:var(--text);stroke-width:1.6;fill:none;stroke-linecap:round}

.nav-drawer{
  display:none;
  position:absolute;top:100%;left:0;right:0;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 20px 30px -24px rgba(16,32,28,.5);
  padding:8px 0 20px;
}
.nav-drawer.is-open{display:block}
.nav-drawer a.nav-drawer-link{
  display:flex;align-items:center;height:52px;padding:0 24px;
  font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);
  transition:color var(--ease),background var(--ease);
}
.nav-drawer a.nav-drawer-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-drawer a.nav-drawer-link.is-active{color:var(--primary);font-weight:600}
.nav-drawer .drawer-cta{margin:16px 24px 0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 24px -16px rgba(15,107,92,.9)}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:#c9682a;border-color:#c9682a;transform:translateY(-1px);box-shadow:0 12px 24px -16px rgba(224,122,50,.9)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-light:hover{background:rgba(255,255,255,.2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
  transition:color var(--ease),gap var(--ease);
}
.link-arrow::after{content:"→";transition:transform var(--ease)}
.link-arrow:hover{color:var(--primary-dark)}
.link-arrow:hover::after{transform:translateX(3px)}
.link-arrow:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.3px;white-space:nowrap;
}
.badge-accent{background:var(--accent-light);color:#B85C1E}
.badge-light{background:rgba(255,255,255,.14);color:#fff}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 80px;
  background:
    radial-gradient(1100px 380px at 86% -18%,#E3F0EC 0%,rgba(227,240,236,0) 66%),
    radial-gradient(700px 320px at 0% 110%,#FBEEE2 0%,rgba(251,238,226,0) 70%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:500;color:var(--text-2);
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:44px;line-height:1.22;font-weight:700;letter-spacing:-.6px;margin-top:20px}
.hero h1 .hl{color:var(--primary)}
.hero-sub{margin-top:18px;max-width:560px;font-size:16px;line-height:1.85;color:var(--text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
  margin-top:42px;padding-top:28px;border-top:1px solid var(--line);
}
.hero-point{display:flex;gap:10px;align-items:flex-start}
.hero-point svg{width:20px;height:20px;flex:0 0 auto;color:var(--primary);margin-top:4px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.hero-point strong{display:block;font-size:14px;font-weight:600;color:var(--text)}
.hero-point span{display:block;font-size:13px;line-height:1.7;color:var(--text-3);margin-top:2px}

.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:440px;padding:26px;
  display:flex;align-items:flex-end;
  background:#0B241F url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-visual::before{content:"";position:absolute;inset:0;background:linear-gradient(155deg,rgba(11,36,31,.52) 0%,rgba(11,36,31,.8) 100%);z-index:1}
.hero-device{
  position:relative;z-index:2;width:100%;border-radius:var(--r-md);overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 24px 60px -24px rgba(0,0,0,.7);
  background:#fff;
}
.hero-device img{width:100%;height:auto;object-fit:cover}
.hero-float{
  position:absolute;z-index:3;top:22px;left:22px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);font-size:13px;font-weight:600;color:var(--primary);
  box-shadow:0 10px 24px -14px rgba(0,0,0,.6);
}
.hero-float svg{width:16px;height:16px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- sections ---------- */
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.sec-head h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.4px}
.sec-head p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:620px}
.sec-head .link-arrow{flex:0 0 auto;margin-bottom:6px}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:24px}
.bento-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3DCD7}
.bento-lg{grid-column:span 3;grid-row:span 2}
.bento-md{grid-column:span 3;flex-direction:row;align-items:stretch}
.bento-sm{grid-column:span 2}
.bento-media{overflow:hidden;background:var(--primary-light)}
.bento-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.bento-card:hover .bento-media img{transform:scale(1.04)}
.bento-lg .bento-media{height:228px}
.bento-md .bento-media{width:42%;flex:0 0 42%;min-height:190px}
.bento-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.bento-md .bento-body{padding:24px 24px 24px 22px}
.bento-body h3{font-size:19px;line-height:1.45;font-weight:600}
.bento-sm h3{font-size:17px}
.bento-body p{font-size:14px;line-height:1.8;color:var(--text-2)}
.bento-body .btn{align-self:flex-start;margin-top:auto}
.bento-body .link-arrow{align-self:flex-start;margin-top:auto}
.tick-list{display:flex;flex-direction:column;gap:8px;margin:2px 0 6px}
.tick-list li{position:relative;padding-left:22px;font-size:14px;line-height:1.7;color:var(--text-2)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--primary-light);
  box-shadow:inset 0 0 0 2px var(--primary);
}
.icon-box{
  width:42px;height:42px;border-radius:12px;background:var(--primary-light);
  display:grid;place-items:center;color:var(--primary);margin-bottom:4px;
}
.icon-box svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- reviews ---------- */
.reviews-wrap{position:relative}
.review-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 0 12px;scrollbar-width:none;-ms-overflow-style:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:14px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.review-quote{font-size:34px;line-height:1;color:var(--primary-light);font-weight:700;height:22px}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;font-size:16px;font-weight:700;
  background:var(--primary-light);color:var(--primary);
}
.avatar.alt{background:var(--accent-light);color:#B85C1E}
.avatar.alt2{background:#E7EDF7;color:#3B5C8A}
.review-name{font-size:15px;font-weight:600;line-height:1.3}
.review-role{font-size:12px;color:var(--text-3);margin-top:2px}
.review-text{font-size:14px;line-height:1.85;color:var(--text-2)}
.review-date{font-size:12px;color:var(--text-3);margin-top:auto;padding-top:8px;border-top:1px solid var(--line)}
.review-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.review-btn{
  width:40px;height:40px;border-radius:50%;border:1.5px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;color:var(--text-2);
  transition:all var(--ease);
}
.review-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.review-btn:active{transform:scale(.96)}
.review-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.review-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ---------- assurance ---------- */
.assurance{background:var(--dark);border-radius:var(--r-lg);padding:36px 32px;color:#fff;border:1px solid rgba(255,255,255,.08)}
.assurance-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.assure-item{display:flex;flex-direction:column;gap:10px}
.assure-icon{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);color:#8FD6C6;
}
.assure-icon svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.assure-item h3{font-size:16px;font-weight:600;color:#fff}
.assure-item p{font-size:13px;line-height:1.75;color:rgba(255,255,255,.62)}

/* ---------- latest / cms ---------- */
.sec-latest{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.latest-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:28px;align-items:start}
.latest-main{
  display:flex;flex-direction:column;background:var(--bg);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);
}
.latest-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.latest-main-media{overflow:hidden;background:var(--primary-light)}
.latest-main-media img{width:100%;height:230px;object-fit:cover;transition:transform 400ms ease}
.latest-main:hover .latest-main-media img{transform:scale(1.03)}
.latest-main-body{padding:24px;display:flex;flex-direction:column;gap:12px}
.latest-main-body h3{font-size:20px;line-height:1.45;font-weight:600}
.latest-main-body p{font-size:14px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.latest-main-body time{font-size:12px;color:var(--text-3)}
.latest-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.latest-list li+li{border-top:1px solid var(--line)}
.latest-list a{display:block;padding:18px 22px;transition:background var(--ease)}
.latest-list a:hover{background:var(--primary-light)}
.latest-list a:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.latest-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);margin-bottom:6px}
.latest-meta .badge{height:20px;font-size:11px;padding:0 8px}
.latest-list h4{font-size:16px;line-height:1.5;font-weight:600;color:var(--text);transition:color var(--ease)}
.latest-list a:hover h4{color:var(--primary)}
.latest-list p{font-size:13px;line-height:1.75;color:var(--text-3);margin-top:5px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;padding:56px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--r-lg);color:var(--text-3);text-align:center;
}
.empty-state svg{width:34px;height:34px;stroke:var(--text-3);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:14px}
.empty-state .link-arrow{font-size:13px}

/* ---------- faq ---------- */
.faq-list{max-width:860px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 22px;margin-bottom:12px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#CBD8D2}
.faq-item[open]{box-shadow:var(--sh-1);border-color:#CBD8D2}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;line-height:1;
  color:var(--primary);transition:transform var(--ease);flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary{color:var(--primary)}
.faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.faq-item p{font-size:15px;line-height:1.85;color:var(--text-2);padding:0 0 20px;max-width:760px}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:
    radial-gradient(600px 220px at 15% 0%,#FFFFFF 0%,rgba(255,255,255,0) 70%),
    var(--primary-light);
  border:1px solid #CFE3DC;
  padding:56px 40px;text-align:center;
}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;border-radius:50%;
  border:1px solid rgba(15,107,92,.14);pointer-events:none;
}
.cta-band::before{width:340px;height:340px;right:-110px;top:-140px}
.cta-band::after{width:220px;height:220px;left:-80px;bottom:-120px}
.cta-band h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.4px;position:relative;z-index:1}
.cta-band p{margin:14px auto 0;max-width:640px;font-size:15px;color:var(--text-2);position:relative;z-index:1}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;position:relative;z-index:1}
.cta-note{margin-top:18px;font-size:13px;color:var(--text-3);position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand p{margin-top:18px;font-size:13px;line-height:1.85;color:rgba(255,255,255,.58);max-width:300px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.75);
  transition:all var(--ease);
}
.footer-social a:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.34)}
.footer-social a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.footer-social svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13px;color:rgba(255,255,255,.62);transition:color var(--ease)}
.footer-col a:hover{color:#fff}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom span{line-height:1.7}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero h1{font-size:40px}
  .hero-grid{gap:40px}
  .sec{padding:76px 0}
}
@media (max-width:1023px){
  .nav-left .nav-link,.nav-right .nav-link{display:none}
  .nav-right .btn{display:none}
  .nav-toggle{display:inline-flex}
  .nav-grid{height:60px}
  .hero{padding:48px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:36px}
  .hero-sub{max-width:100%}
  .hero-visual{min-height:360px}
  .sec{padding:64px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .sec-head h2{font-size:26px}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento-lg{grid-column:span 2;grid-row:auto}
  .bento-md{grid-column:span 2}
  .bento-sm{grid-column:span 1}
  .assurance-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .latest-grid{grid-template-columns:1fr}
  .review-card{flex:0 0 calc((100% - 24px)/2)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:44px 24px}
  .cta-band h2{font-size:26px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero{padding:36px 0 48px}
  .hero h1{font-size:32px;letter-spacing:-.3px}
  .hero-sub{font-size:15px}
  .hero-points{grid-template-columns:1fr;gap:14px;margin-top:32px;padding-top:24px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-visual{min-height:300px;padding:18px}
  .hero-float{top:14px;left:14px;font-size:12px;padding:6px 12px}
  .sec{padding:52px 0}
  .sec-head h2{font-size:24px}
  .sec-head p{font-size:14px}
  .bento{grid-template-columns:1fr;gap:18px}
  .bento-lg,.bento-md,.bento-sm{grid-column:span 1}
  .bento-md{flex-direction:column}
  .bento-md .bento-media{width:100%;flex:none;height:170px;min-height:0}
  .bento-lg .bento-media{height:180px}
  .bento-body{padding:20px}
  .bento-body h3{font-size:17px}
  .review-card{flex:0 0 86%;padding:22px}
  .assurance{padding:26px 20px}
  .assurance-grid{grid-template-columns:1fr;gap:22px}
  .latest-main-media img{height:180px}
  .latest-main-body{padding:20px}
  .latest-main-body h3{font-size:18px}
  .latest-list a{padding:16px 18px}
  .cta-band{padding:36px 20px}
  .cta-band h2{font-size:23px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;font-size:12px}
  .site-footer{padding-top:48px}
  .faq-item{padding:0 16px}
  .faq-item summary{font-size:15px;padding:16px 0}
  .faq-item p{font-size:14px}
}
@media (max-width:420px){
  .hero h1{font-size:28px}
  .sec-head h2{font-size:22px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:10px;letter-spacing:.8px}
}

/* roulang page: category1 */
:root{
  --primary:#0F6B5C;
  --primary-dark:#0A4A40;
  --primary-soft:#E3F0EC;
  --accent:#E07A32;
  --accent-soft:#FBEEE2;
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E2E6E3;
  --ink-dark:#0B241F;
  --ink:#10201C;
  --ink-mid:#4C5B57;
  --ink-soft:#8A9691;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(16,32,28,.05),0 8px 24px -16px rgba(16,32,28,.18);
  --shadow-md:0 14px 36px -18px rgba(16,32,28,.26);
  --container:1200px;
  --ease:cubic-bezier(.2,.6,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--ink);letter-spacing:.005em}
p{margin:0}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}
svg{width:100%;height:100%;display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(16,32,28,.5)}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:72px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:22px}
.nav-right{justify-content:flex-end;gap:18px}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink-mid);
  padding:6px 0;
  white-space:nowrap;
  font-weight:500;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.logo{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--primary-soft);
  color:var(--primary);
  padding:8px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.logo:hover .logo-mark{background:var(--primary);color:#fff}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.06em}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-soft);letter-spacing:.14em;margin-top:2px}
.nav-toggle{
  display:none;width:40px;height:40px;padding:9px;border-radius:10px;
  color:var(--ink);border:1.5px solid var(--line);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.nav-drawer{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:10px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1.5px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),opacity .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px -16px rgba(15,107,92,.9)}
.btn-primary:hover{background:var(--primary-dark);color:#fff}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px -16px rgba(224,122,50,.95)}
.btn-accent:hover{background:#C86722;color:#fff}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-light{background:#fff;color:var(--primary);border-color:rgba(255,255,255,.7)}
.btn-light:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--primary)}
.btn-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease)}
.btn-link:hover svg{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 通用标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.badge-accent{background:var(--accent-soft);color:#B85F20}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft)}
.breadcrumb a{color:var(--ink-mid)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{color:#C3CDC8}

/* ============ 页头横幅 ============ */
.page-banner{
  position:relative;
  padding:56px 0 64px;
  background-image:linear-gradient(100deg,rgba(246,245,241,.97) 42%,rgba(246,245,241,.72) 70%,rgba(227,240,236,.55)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.banner-inner{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
.banner-copy h1{
  font-size:44px;line-height:1.22;font-weight:700;margin:16px 0 0;
  letter-spacing:.01em;
}
.banner-copy .lead{
  margin-top:16px;max-width:640px;
  font-size:16px;line-height:1.85;color:var(--ink-mid);
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-mid);
  box-shadow:var(--shadow-sm);
}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--primary);display:inline-block}
.banner-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(15,107,92,.14);
  box-shadow:var(--shadow-md);
  background:#0B241F;
}
.banner-visual img{width:100%;height:320px;object-fit:cover}
.banner-visual .visual-note{
  position:absolute;left:16px;right:16px;bottom:16px;
  padding:14px 16px;border-radius:12px;
  background:rgba(11,36,31,.78);
  backdrop-filter:blur(6px);
  color:#E9F3F0;font-size:13px;line-height:1.7;
}
.banner-visual .visual-note strong{display:block;color:#fff;font-size:14px;margin-bottom:2px}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:32px;line-height:1.3;margin-top:12px}
.section-head p{margin-top:14px;color:var(--ink-mid);font-size:16px}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#CFE3DC}
.step-num{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);
  font-weight:700;font-size:16px;
}
.step h3{font-size:19px;margin-top:16px;line-height:1.4}
.step p{margin-top:8px;font-size:14.5px;color:var(--ink-mid);line-height:1.8}
.step::after{
  content:"";position:absolute;top:44px;right:-24px;width:24px;height:2px;
  background:linear-gradient(90deg,#BFDAD2,rgba(191,218,210,0));
}
.step:last-child::after{display:none}

/* ============ 设备卡 ============ */
.device-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.device-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.device-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#CFE3DC}
.device-top{display:flex;align-items:center;gap:14px}
.device-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  display:grid;place-items:center;padding:10px;
  background:var(--primary-soft);color:var(--primary);
}
.device-icon svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.device-card h3{font-size:19px}
.device-card .device-sub{font-size:13px;color:var(--ink-soft);margin-top:2px}
.device-list{margin-top:20px;display:grid;gap:10px}
.device-list li{
  position:relative;padding-left:22px;
  font-size:14.5px;color:var(--ink-mid);line-height:1.8;
}
.device-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:2px;
  background:var(--primary);opacity:.55;
}
.device-actions{margin-top:22px;padding-top:20px;border-top:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:12px}

/* ============ 下载核对区 ============ */
.check-panel{
  display:grid;grid-template-columns:1.25fr .9fr;gap:32px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px;box-shadow:var(--shadow-sm);
}
.check-list{display:grid;gap:0}
.check-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.check-item:first-child{padding-top:0}
.check-item:last-child{border-bottom:none;padding-bottom:0}
.check-item .ico{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;padding:8px;
  background:var(--accent-soft);color:#B85F20;
}
.check-item .ico svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.check-item h3{font-size:16.5px;line-height:1.45}
.check-item p{font-size:14.5px;color:var(--ink-mid);margin-top:4px}
.version-card{
  background:var(--ink-dark);color:#E6F1EE;
  border-radius:var(--radius-lg);padding:28px;
  border:1px solid rgba(255,255,255,.08);
}
.version-card h3{color:#fff;font-size:18px}
.version-card .ver-line{
  display:flex;justify-content:space-between;gap:12px;
  font-size:13.5px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1);
  color:#BFD3CE;
}
.version-card .ver-line strong{color:#fff;font-weight:600}
.version-card .ver-line:last-of-type{border-bottom:none}
.version-card .btn{width:100%;margin-top:18px}
.version-card .hint{font-size:12.5px;color:#93A9A4;margin-top:12px;line-height:1.7}

/* ============ 提示框 ============ */
.notice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.notice{
  border-radius:var(--radius-md);padding:22px 24px;
  border-left:3px solid var(--primary);
  background:var(--primary-soft);
}
.notice.warn{border-left-color:var(--accent);background:var(--accent-soft)}
.notice h3{font-size:16px;display:flex;align-items:center;gap:8px}
.notice h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--primary)}
.notice.warn h3 .dot{background:var(--accent)}
.notice p{font-size:14.5px;color:var(--ink-mid);margin-top:8px;line-height:1.8}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px 22px 16px;
  font-size:17px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;position:relative;
  border-left:3px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  font-size:17px;font-weight:400;line-height:1;
  background:#fff;border:1px solid var(--line);color:var(--ink-mid);
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item[open] summary{color:var(--primary);border-left-color:var(--primary)}
.faq-item[open] summary::after{content:"−";background:var(--primary);color:#fff;border-color:var(--primary)}
.faq-item summary:hover{color:var(--primary)}
.faq-answer{padding:0 40px 24px 16px;font-size:15px;color:var(--ink-mid);line-height:1.85}

/* ============ 转化条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-dark);
  border-radius:var(--radius-lg);
  padding:56px 48px;
  color:#E6F1EE;
  display:grid;grid-template-columns:1.5fr auto;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,107,92,.55),rgba(15,107,92,0) 70%);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:30px;line-height:1.32}
.cta-band p{margin-top:12px;color:#B7CCC7;font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-dark);color:#B7CCC7;padding:72px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.logo-light .logo-mark{background:rgba(255,255,255,.1);color:#E9F3F0}
.logo-light:hover .logo-mark{background:var(--primary);color:#fff}
.logo-light .logo-text strong{color:#fff}
.logo-light .logo-text em{color:#8DA6A0}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:#9FB6B0;max-width:340px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;padding:9px;
  background:rgba(255,255,255,.07);color:#D6E6E2;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-social a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:#9FB6B0;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#7E958F;
}
.footer-bottom a{color:#9FB6B0}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .banner-copy h1{font-size:40px}
  .cta-band{padding:48px 36px}
}
@media (max-width:1023px){
  .nav-grid{grid-template-columns:auto 1fr auto;height:64px}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .logo{justify-self:center}
  .nav-drawer{
    display:none;flex-direction:column;
    border-top:1px solid var(--line);background:#fff;
    padding:8px 24px 24px;
  }
  .nav-drawer.is-open{display:flex}
  .nav-drawer-link{
    display:flex;align-items:center;height:52px;
    font-size:15px;color:var(--ink-mid);border-bottom:1px solid var(--line);
  }
  .nav-drawer-link.is-active{color:var(--primary);font-weight:600}
  .drawer-cta{margin-top:18px}
  .banner-inner{grid-template-columns:1fr;gap:32px}
  .banner-visual img{height:260px}
  .check-panel{grid-template-columns:1fr;padding:26px}
  .cta-band{grid-template-columns:1fr;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .page-banner{padding:40px 0 48px}
  .banner-copy h1{font-size:32px}
  .banner-copy .lead{font-size:15px}
  .banner-visual img{height:210px}
  .section{padding:56px 0}
  .section-head h2{font-size:26px}
  .steps{grid-template-columns:1fr;gap:16px}
  .step::after{display:none}
  .device-grid{grid-template-columns:1fr}
  .notice-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 22px}
  .cta-band h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{padding-top:52px;margin-top:56px}
  .faq-item summary{font-size:16px;padding:18px 4px 18px 12px}
  .faq-answer{padding:0 16px 20px 12px}
}
@media (max-width:420px){
  .banner-copy h1{font-size:28px}
  .banner-actions .btn{width:100%}
  .logo-text strong{font-size:16px}
  .logo-text em{font-size:10px;letter-spacing:.1em}
}

/* roulang page: article */
:root{
  --teal:#0F6B5C;
  --teal-deep:#0A4A40;
  --teal-soft:#E3F0EC;
  --orange:#E07A32;
  --orange-soft:#FBEEE2;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E2E6E3;
  --dark:#0B241F;
  --text:#10201C;
  --sub:#4C5B57;
  --mute:#8A9691;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --shadow-1:0 1px 2px rgba(16,32,28,.05), 0 8px 24px -16px rgba(16,32,28,.18);
  --shadow-2:0 14px 36px -18px rgba(16,32,28,.26);
  --container:1200px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:var(--teal-deep)}
.btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
.btn-outline:hover{background:var(--teal-soft);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-accent{background:var(--orange);color:#fff}
.btn-accent:hover{background:#c96a29;transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-weight:600;font-size:15px}
.btn-text svg{width:16px;height:16px;transition:transform var(--ease)}
.btn-text:hover svg{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px -18px rgba(16,32,28,.4)}
.nav-grid{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:20px;height:72px;
}
.nav-left{display:flex;align-items:center;gap:22px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:18px;justify-self:end}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--sub);
  padding:6px 0;white-space:nowrap;
}
.nav-link:hover{color:var(--teal)}
.nav-link.is-active{color:var(--teal);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--teal);border-radius:2px;
}
.logo{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--teal-soft);color:var(--teal);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text)}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--mute);margin-top:3px}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--text);align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.nav-toggle:hover{border-color:var(--teal);color:var(--teal)}
.nav-drawer{display:none;flex-direction:column;gap:2px;padding:6px 24px 20px;background:#fff;border-bottom:1px solid var(--line)}
.nav-drawer.is-open{display:flex}
.nav-drawer-link{
  display:flex;align-items:center;height:52px;font-size:15px;color:var(--sub);
  border-bottom:1px solid var(--line);
}
.nav-drawer-link:last-of-type{border-bottom:0}
.nav-drawer-link.is-active{color:var(--teal);font-weight:600}
.drawer-cta{margin-top:14px;width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--mute);padding:22px 0 0;
}
.breadcrumb a:hover{color:var(--teal)}
.breadcrumb .sep{color:#c7cfcb}
.breadcrumb .current{color:var(--sub);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{padding:22px 0 34px;border-bottom:1px solid var(--line)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--teal-soft);color:var(--teal);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-hero h1{
  font-size:44px;line-height:1.22;font-weight:700;letter-spacing:-.01em;
  margin:18px 0 0;max-width:920px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;
  margin-top:22px;font-size:13px;color:var(--mute);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 主体布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;
  padding:48px 0 72px;align-items:start;
}
.article-main{max-width:760px;min-width:0}
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16px;line-height:1.9;color:var(--text)}
.article-body p{margin:0 0 22px}
.article-body h2{
  font-size:22px;line-height:1.4;font-weight:600;margin:40px 0 16px;
  padding-left:12px;border-left:4px solid var(--teal);
}
.article-body h3{font-size:18px;line-height:1.45;font-weight:600;margin:28px 0 12px}
.article-body h4{font-size:16px;font-weight:600;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px;line-height:1.8}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:0 0 24px;padding:16px 20px;background:var(--teal-soft);
  border-left:3px solid var(--teal);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--sub);font-size:15px;
}
.article-body img{max-width:100%;height:auto;border-radius:var(--r-md);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--mute);text-align:center;margin-top:8px}
.article-body a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--teal-deep)}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:14px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:var(--paper);font-weight:600}
.article-body code{background:var(--paper);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body strong{font-weight:600}

/* ---------- 空状态 ---------- */
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state svg{width:44px;height:44px;margin:0 auto 18px;fill:none;stroke:var(--teal);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-state h2{font-size:20px;font-weight:600;margin-bottom:10px}
.empty-state p{color:var(--sub);font-size:15px;margin-bottom:22px}

/* ---------- 标签与分享 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--mute);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--sub);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.tag:hover{border-color:var(--teal);color:var(--teal);background:var(--teal-soft)}
.share-row{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
  margin-top:22px;padding:16px 20px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);
}
.share-row p{font-size:14px;color:var(--sub)}
.share-actions{display:flex;gap:10px;flex-wrap:wrap}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:8px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--sub);cursor:pointer;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.share-btn:hover{border-color:var(--teal);color:var(--teal);background:var(--teal-soft)}
.share-btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 侧栏卡片 ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:13px;font-weight:600;color:var(--mute);letter-spacing:.08em;
  margin-bottom:14px;
}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--sub);
  padding:9px 0;border-bottom:1px dashed var(--line);
}
.side-list a:last-child{border-bottom:0}
.side-list a:hover{color:var(--teal)}
.side-list .dot{width:5px;height:5px;border-radius:50%;background:var(--teal);flex:0 0 auto}
.side-cta{
  background:var(--teal);color:#fff;border:0;border-radius:var(--r-lg);
  padding:24px 20px;box-shadow:var(--shadow-1);
}
.side-cta h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:10px}
.side-cta p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.78);margin-bottom:16px}
.side-cta .btn{width:100%;height:42px;font-size:14px}
.side-cta .btn-accent:hover{background:#c96a29}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 76px}
.related-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:26px;flex-wrap:wrap;
}
.related-head h2{font-size:28px;font-weight:600;line-height:1.3}
.related-head p{font-size:14px;color:var(--sub);margin-top:8px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d3ddd8}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--teal-soft)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card .body .badge{align-self:flex-start}
.post-card h3{font-size:17px;line-height:1.45;font-weight:600}
.post-card p{font-size:14px;line-height:1.75;color:var(--sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .more{margin-top:auto;font-size:14px;font-weight:600;color:var(--teal);display:inline-flex;align-items:center;gap:5px}
.post-card .more svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease)}
.post-card:hover .more svg{transform:translateX(3px)}

/* ---------- 底部 CTA ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--dark);color:#fff;
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  border:1px solid rgba(255,255,255,.08);
}
.cta-inner::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,107,92,.55),rgba(15,107,92,0) 68%);
  pointer-events:none;
}
.cta-inner h2{font-size:30px;line-height:1.3;font-weight:600;margin-bottom:12px;position:relative}
.cta-inner p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.74);max-width:640px;position:relative}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;flex:0 0 auto}
.cta-actions .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin-top:18px;max-width:340px}
.logo-light .logo-mark{background:rgba(255,255,255,.1);color:#8FD9C8}
.logo-light .logo-text strong{color:#fff}
.logo-light .logo-text em{color:rgba(255,255,255,.45)}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.72);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.footer-social a:hover{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.07)}
.footer-social svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:#8FD9C8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-hero h1{font-size:38px}
  .article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 280px}
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:inline-flex}
  .nav-grid{height:60px;grid-template-columns:auto 1fr auto}
  .logo{justify-self:center}
  .nav-grid::after{content:"";width:40px}
  .nav-drawer{display:none}
  .nav-drawer.is-open{display:flex}
  .article-hero h1{font-size:32px}
  .article-layout{grid-template-columns:1fr;gap:36px;padding:36px 0 56px}
  .article-main{max-width:none}
  .article-side{position:static}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{padding:40px 30px;flex-direction:column;align-items:flex-start}
  .related-head h2{font-size:24px}
  .cta-inner h2{font-size:25px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .article-hero h1{font-size:26px}
  .article-body{font-size:15px;line-height:1.85}
  .article-body h2{font-size:19px;margin-top:32px}
  .article-body p{margin-bottom:20px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .share-row{flex-direction:column;align-items:flex-start}
  .related{padding-bottom:56px}
  .cta-band{padding-bottom:56px}
}
@media (max-width:420px){
  .article-hero h1{font-size:23px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:10px;letter-spacing:.1em}
  .breadcrumb .current{max-width:180px}
  .cta-inner{padding:32px 22px}
  .cta-inner h2{font-size:21px}
}

/* roulang page: category3 */
:root{
  --primary:#0F6B5C;
  --primary-dark:#0A4A40;
  --primary-soft:#E3F0EC;
  --accent:#E07A32;
  --accent-soft:#FBEEE2;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E2E6E3;
  --dark:#0B241F;
  --text:#10201C;
  --text-2:#4C5B57;
  --text-3:#8A9691;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(16,32,28,.05),0 8px 24px -16px rgba(16,32,28,.18);
  --shadow-md:0 14px 36px -18px rgba(16,32,28,.26);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--primary-dark)}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-tight{padding:56px 0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px -16px rgba(15,107,92,.9)}
.btn-primary:hover{background:var(--primary-dark);color:#fff}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px -16px rgba(224,122,50,.95)}
.btn-accent:hover{background:#c96822;color:#fff}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-link{display:inline-flex;align-items:center;gap:6px;height:auto;padding:0;color:var(--primary);font-weight:600;font-size:15px;background:none}
.btn-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;transition:transform .2s ease}
.btn-link:hover{color:var(--primary-dark)}
.btn-link:hover svg{transform:translateX(3px)}
.btn-block{width:100%}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,32,28,.55)}
.nav-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;height:72px}
.nav-left{display:flex;align-items:center;gap:20px;min-width:0}
.nav-right{display:flex;align-items:center;gap:20px;justify-content:flex-end;min-width:0}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:100%;
  padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);
  white-space:nowrap;
}
.nav-link:hover{color:var(--primary)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:10px;height:2px;border-radius:2px;background:var(--primary);
}
.logo{display:inline-flex;align-items:center;gap:9px;justify-self:center;color:var(--text)}
.logo:hover{color:var(--text)}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);
}
.logo-mark svg{width:22px;height:22px;stroke:currentColor;fill:none}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.6px}
.logo-text em{font-style:normal;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.8px}
.logo-light{color:#fff}
.logo-light:hover{color:#fff}
.logo-light .logo-mark{background:rgba(255,255,255,.1);color:#fff}
.logo-light .logo-text em{color:rgba(255,255,255,.55)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;color:var(--text);border:1px solid var(--line);background:#fff;
}
.nav-toggle svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-drawer{display:none;padding:6px 24px 22px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px -26px rgba(16,32,28,.6)}
.nav-drawer.is-open{display:block}
.nav-drawer-link{
  display:flex;align-items:center;height:52px;font-size:15px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.nav-drawer-link.is-active{color:var(--primary);font-weight:600}
.nav-drawer-link:hover{color:var(--primary)}
.drawer-cta{margin-top:18px;width:100%}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;color:#fff;overflow:hidden;
  padding:36px 0 60px;
  background:linear-gradient(115deg,rgba(11,36,31,.94) 0%,rgba(10,74,64,.88) 55%,rgba(11,36,31,.9) 100%),
             url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.page-banner::after{
  content:"";position:absolute;inset:auto -10% -60% 40%;height:320px;
  background:radial-gradient(closest-side,rgba(224,122,50,.18),transparent 72%);
  pointer-events:none;
}
.page-banner .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62)}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#fff}
.page-banner h1{
  margin:20px 0 0;font-size:44px;line-height:1.22;font-weight:700;letter-spacing:-.3px;max-width:820px;
}
.banner-lead{margin-top:16px;max-width:700px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78)}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.banner-tags span{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;color:rgba(255,255,255,.88);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
}
.banner-tags i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}

/* ---------- 两栏布局 ---------- */
.layout-2col{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start}
.content-main{display:grid;gap:24px;min-width:0}
.content-side{display:grid;gap:20px;position:sticky;top:96px;min-width:0}

.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-sm);
}
.panel h2{
  font-size:26px;line-height:1.35;font-weight:600;letter-spacing:-.2px;
  padding-left:14px;position:relative;
}
.panel h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary);
}
.panel h3{font-size:19px;line-height:1.45;font-weight:600;margin-top:28px}
.panel p{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.9;max-width:760px}
.panel p:first-of-type{margin-top:18px}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.eyebrow-accent{background:var(--accent-soft);color:#b25a1c}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.divider{height:1px;background:var(--line);border:0;margin:28px 0}

/* ---------- 提示框 ---------- */
.notice{
  margin-top:24px;padding:18px 20px;border-radius:var(--r-md);
  border-left:3px solid var(--primary);background:var(--primary-soft);
  font-size:15px;line-height:1.85;color:#124338;
}
.notice strong{display:block;font-size:14px;font-weight:700;color:var(--primary-dark);margin-bottom:4px;letter-spacing:.3px}
.notice-warn{border-left-color:var(--accent);background:var(--accent-soft);color:#7d4114}
.notice-warn strong{color:#b25a1c}

/* ---------- 定义列表 ---------- */
.fact-list{margin-top:26px;border-top:1px solid var(--line)}
.fact-list > div{
  display:grid;grid-template-columns:186px minmax(0,1fr);gap:20px;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.fact-list dt{font-size:15px;font-weight:600;color:var(--text);line-height:1.7}
.fact-list dd{margin:0;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- 步骤条 ---------- */
.step-list{margin-top:26px;display:grid;gap:14px;counter-reset:step}
.step-item{
  display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;
  padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-md);background:#fcfcfb;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step-item:hover{border-color:#c9dfd8;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.step-num{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-size:14px;font-weight:700;
}
.step-item h4{font-size:17px;font-weight:600;line-height:1.5}
.step-item p{margin-top:6px;font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:26px;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--primary-soft),var(--line));
}
.timeline-item{position:relative;padding-bottom:26px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-26px;top:8px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:2.5px solid var(--primary);
}
.timeline-item.is-latest::before{background:var(--accent);border-color:var(--accent)}
.timeline-date{font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.4px}
.timeline-item h4{margin-top:2px;font-size:16.5px;font-weight:600;line-height:1.5}
.timeline-item p{margin-top:4px;font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* ---------- 图文块 ---------- */
.media-row{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px;align-items:center;margin-top:26px}
.media-figure{margin:0;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:#eef2f0}
.media-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .4s ease}
.media-figure:hover img{transform:scale(1.03)}
.media-figure figcaption{font-size:13px;color:var(--text-3);padding:10px 14px;background:#fff;border-top:1px solid var(--line);line-height:1.7}
.check-list{margin-top:8px;display:grid;gap:10px}
.check-list li{position:relative;padding-left:26px;font-size:15px;line-height:1.8;color:var(--text-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(-45deg);border-radius:1px;
}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:16px;font-weight:700;letter-spacing:.2px;color:var(--text)}
.side-card h3 span{display:block;font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.6px;margin-top:4px}
.anchor-nav{margin-top:16px;display:grid;gap:2px}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);line-height:1.5;
  transition:background-color .2s ease,color .2s ease,padding-left .2s ease;
}
.anchor-nav a::before{content:"";width:5px;height:5px;border-radius:50%;background:#c3d3ce;flex:none;transition:background-color .2s ease}
.anchor-nav a:hover{background:var(--primary-soft);color:var(--primary-dark);padding-left:16px}
.anchor-nav a:hover::before{background:var(--primary)}
.side-list{margin-top:14px;display:grid;gap:12px}
.side-list li{display:grid;grid-template-columns:20px minmax(0,1fr);gap:10px;font-size:14.5px;line-height:1.75;color:var(--text-2)}
.side-list li svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:1.7;margin-top:2px}
.side-cta{background:linear-gradient(160deg,#0F6B5C,#0A4A40);color:#fff;border-color:transparent;box-shadow:0 18px 36px -24px rgba(10,74,64,.9)}
.side-cta h3{color:#fff}
.side-cta h3 span{color:rgba(255,255,255,.6)}
.side-cta p{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.78)}
.side-cta .btn{width:100%;margin-top:16px}
.side-cta .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:#fff}
.side-cta .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4);color:#fff}

/* ---------- 底部转化区 ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,rgba(11,36,31,.96),rgba(15,107,92,.92)),
             url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  padding:72px 0;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center}
.cta-band h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.3px;max-width:620px}
.cta-band p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78);max-width:600px}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;min-width:216px}
.cta-actions .btn-link{color:#fff;justify-content:center}
.cta-actions .btn-link:hover{color:#fff;opacity:.85}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.78);
  transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-social a:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.32);color:#fff;transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;letter-spacing:.6px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px}
  .panel{padding:28px}
}
@media (max-width:1023px){
  .nav-left .nav-link,.nav-right .nav-link{display:none}
  .nav-toggle{display:inline-flex}
  .nav-grid{gap:12px}
  .logo{justify-self:center}
  .layout-2col{grid-template-columns:1fr}
  .content-side{position:static;top:auto;grid-template-columns:1fr 1fr}
  .page-banner h1{font-size:36px}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{flex-direction:row;flex-wrap:wrap;align-items:center}
  .cta-actions .btn{min-width:180px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section-tight{padding:40px 0}
  .nav-grid{height:60px}
  .logo-mark{width:30px;height:30px;border-radius:9px}
  .logo-mark svg{width:19px;height:19px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:10px}
  .nav-right .btn{display:none}
  .page-banner{padding:26px 0 44px}
  .page-banner h1{font-size:30px;margin-top:16px}
  .banner-lead{font-size:15px}
  .panel{padding:22px 18px;border-radius:14px}
  .panel h2{font-size:22px}
  .panel h3{font-size:17.5px}
  .panel p{font-size:15px;line-height:1.85}
  .fact-list > div{grid-template-columns:1fr;gap:4px;padding:14px 0}
  .media-row{grid-template-columns:1fr}
  .content-side{grid-template-columns:1fr}
  .cta-band{padding:52px 0}
  .cta-band h2{font-size:25px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:8px}
  .site-footer{padding-top:48px}
}
@media (max-width:420px){
  .page-banner h1{font-size:26px}
  .banner-tags span{font-size:12px;padding:0 10px}
  .step-item{grid-template-columns:1fr;gap:8px}
  .panel{padding:18px 14px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
}

/* roulang page: category2 */
:root{
  --brand:#0F6B5C;
  --brand-deep:#0A4A40;
  --brand-soft:#E3F0EC;
  --accent:#E07A32;
  --accent-deep:#C4651F;
  --accent-soft:#FBEEE2;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E2E6E3;
  --dark:#0B241F;
  --ink:#10201C;
  --ink-2:#4C5B57;
  --ink-3:#8A9691;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --sh-card:0 1px 2px rgba(16,32,28,.05),0 8px 24px -16px rgba(16,32,28,.18);
  --sh-hover:0 14px 36px -18px rgba(16,32,28,.26);
  --sp:24px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,figcaption,dl,dd,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,32,28,.45)}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:72px;
}
.nav-left{display:flex;align-items:center;gap:2px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:6px;justify-self:end}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  border-radius:var(--r-sm);
  font-size:15px;
  color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.logo{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;background:var(--brand-soft);color:var(--brand);
  transition:background .2s ease,transform .2s ease;
}
.logo:hover .logo-mark{background:#D2E8E1;transform:translateY(-1px)}
.logo-mark svg{width:22px;height:22px;stroke:currentColor;fill:none}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--ink)}
.logo-text em{font-size:11px;font-style:normal;letter-spacing:.14em;color:var(--ink-3)}
.logo-light .logo-mark{background:rgba(255,255,255,.1);color:#fff}
.logo-light .logo-text strong{color:#fff}
.logo-light .logo-text em{color:rgba(255,255,255,.6)}
.logo-light:hover .logo-mark{background:rgba(255,255,255,.18)}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;color:var(--ink);
  transition:background .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft)}
.nav-toggle svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round}
.nav-drawer{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:10px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -14px rgba(15,107,92,.9)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(15,107,92,.9)}
.btn-primary:active{transform:translateY(0);background:var(--brand-deep)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px -14px rgba(224,122,50,.95)}
.btn-accent:hover{background:var(--accent-deep);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--brand-deep)}
.btn-light:hover{background:#EAF5F1;transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand);
  transition:color .2s ease,gap .2s ease;
}
.btn-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-link:hover{color:var(--brand-deep);gap:10px}

/* ============ 徽章 / 面包屑 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-accent{background:var(--accent-soft);color:var(--accent-deep)}
.badge-light{background:rgba(255,255,255,.16);color:#fff}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.68)}
.breadcrumb a{color:rgba(255,255,255,.68);transition:color .2s ease}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb .cur{color:#fff;font-weight:600}

/* ============ 页头横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:48px 0 56px;
  background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(11,36,31,.93) 0%,rgba(15,107,92,.86) 58%,rgba(10,74,64,.82) 100%);
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{
  font-size:44px;line-height:1.22;font-weight:700;letter-spacing:.01em;
  margin:18px 0 14px;
}
.page-hero .lead{
  max-width:640px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);
}
.hero-metrics{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-metrics li{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.07);
  font-size:13px;color:rgba(255,255,255,.86);
}
.hero-metrics svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ============ 主体两栏 ============ */
.content-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:32px;
  align-items:start;
  padding:56px 0 24px;
}
.main-col{min-width:0}
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-card);
  margin-bottom:24px;
  scroll-margin-top:96px;
}
.panel:last-child{margin-bottom:0}
.panel h2{
  position:relative;
  font-size:26px;line-height:1.3;font-weight:700;
  padding-left:16px;margin-bottom:20px;
}
.panel h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--brand);
}
.panel .sub{font-size:14.5px;color:var(--ink-3);margin:-8px 0 20px 16px}

/* 检查清单 */
.check-list li{
  display:flex;gap:14px;padding:14px 0;
  border-bottom:1px dashed var(--line);
  font-size:15.5px;color:var(--ink-2);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li:first-child{padding-top:0}
.check-list .dot{
  flex:0 0 22px;height:22px;margin-top:4px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.check-list .dot svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.check-list strong{color:var(--ink);font-weight:600}

/* 步骤 + 截图 */
.step-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start}
.step-list{display:flex;flex-direction:column}
.step-item{position:relative;display:flex;gap:16px;padding-bottom:24px}
.step-item:last-child{padding-bottom:0}
.step-item:not(:last-child)::before{
  content:"";position:absolute;left:17px;top:40px;bottom:4px;width:2px;
  background:linear-gradient(180deg,var(--brand-soft),var(--line));
}
.step-num{
  position:relative;z-index:1;
  flex:0 0 36px;height:36px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;letter-spacing:.03em;
}
.step-item h3{font-size:17px;line-height:1.45;font-weight:600;margin-bottom:4px}
.step-item p{font-size:15px;line-height:1.8;color:var(--ink-2)}
.shot-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;box-shadow:var(--sh-card);
  transition:box-shadow .2s ease,transform .2s ease;
}
.shot-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.shot-card img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover}
.shot-card figcaption{padding:12px 16px;font-size:13px;line-height:1.7;color:var(--ink-3);border-top:1px solid var(--line)}

/* 提示框 */
.notice{
  display:flex;gap:12px;
  padding:16px 18px;border-radius:var(--r-md);
  font-size:14.8px;line-height:1.8;
  margin-bottom:14px;
}
.notice:last-child{margin-bottom:0}
.notice-ico{flex:0 0 20px;height:20px;margin-top:3px}
.notice-ico svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.notice strong{display:block;font-size:15px;margin-bottom:2px}
.notice-info{background:var(--brand-soft);border-left:3px solid var(--brand);color:#2C4A44}
.notice-info .notice-ico{color:var(--brand)}
.notice-warn{background:var(--accent-soft);border-left:3px solid var(--accent);color:#7A4A20}
.notice-warn .notice-ico{color:var(--accent-deep)}

/* 双卡 */
.duo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.mini-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:14px;
  padding:22px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.mini-card:hover{border-color:#CFE3DC;box-shadow:var(--sh-card);transform:translateY(-2px)}
.mini-card .mini-ico{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);margin-bottom:12px;
}
.mini-card .mini-ico svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mini-card h3{font-size:16px;font-weight:600;line-height:1.45;margin-bottom:6px}
.mini-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}

/* 定义列表 */
.def-list{margin:0}
.def-list .def-item{
  padding:16px 0 16px 16px;
  border-left:2px solid var(--line);
  transition:border-color .2s ease;
}
.def-list .def-item:first-child{padding-top:0}
.def-list .def-item:hover{border-left-color:var(--brand)}
.def-list dt{font-size:15.5px;font-weight:600;color:var(--ink);margin-bottom:4px}
.def-list dd{font-size:14.8px;line-height:1.8;color:var(--ink-2);margin:0}

/* 侧栏 */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:22px;box-shadow:var(--sh-card);
}
.side-card h4{font-size:15px;font-weight:700;margin-bottom:12px;letter-spacing:.02em}
.anchor-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 12px;border-radius:9px;
  font-size:14.5px;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.anchor-list a::after{content:"›";font-size:15px;color:var(--ink-3);transition:color .2s ease}
.anchor-list a:hover{background:var(--brand-soft);color:var(--brand)}
.anchor-list a:hover::after{color:var(--brand)}
.tip-list li{
  display:flex;gap:10px;font-size:14.2px;line-height:1.75;
  color:var(--ink-2);padding:8px 0;
  border-bottom:1px dashed var(--line);
}
.tip-list li:last-child{border-bottom:0;padding-bottom:0}
.tip-list svg{flex:0 0 16px;width:16px;height:16px;margin-top:4px;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.side-cta{
  border-radius:16px;padding:24px;color:#fff;
  background:linear-gradient(155deg,#0F6B5C 0%,#0B241F 100%);
  border:1px solid rgba(255,255,255,.08);
}
.side-cta h4{font-size:16px;font-weight:700;margin-bottom:8px;color:#fff}
.side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.76);margin-bottom:18px}
.side-cta .btn{width:100%}

/* ============ 底部转化 ============ */
.cta-band{padding:24px 0 80px}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:20px;
  padding:56px 40px;
  text-align:center;color:#fff;
  background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(10,74,64,.95) 0%,rgba(11,36,31,.9) 100%);
}
.cta-inner > *{position:relative;z-index:1}
.cta-inner h2{font-size:32px;line-height:1.3;font-weight:700;margin-bottom:12px}
.cta-inner p{max-width:600px;margin:0 auto 26px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.8)}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand p{
  font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);
  margin:18px 0 20px;max-width:330px;
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);color:rgba(255,255,255,.8);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.footer-social svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0 26px;font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}

/* ============ 断点 ============ */
@media (max-width:1279px){
  .content-grid{grid-template-columns:minmax(0,1fr) 290px;gap:26px}
}
@media (max-width:1023px){
  .nav-grid{display:flex;justify-content:space-between;height:60px;gap:12px}
  .nav-left .nav-link,.nav-right .nav-link{display:none}
  .nav-toggle{display:inline-flex}
  .logo{justify-self:auto}
  .nav-drawer{
    display:none;
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 24px 44px -28px rgba(16,32,28,.5);
    padding:6px 24px 24px;
    flex-direction:column;
  }
  .nav-drawer.is-open{display:flex}
  .nav-drawer-link{
    display:flex;align-items:center;height:52px;
    font-size:15px;color:var(--ink-2);
    border-bottom:1px solid var(--line);
    transition:color .2s ease;
  }
  .nav-drawer-link.is-active{color:var(--brand);font-weight:600}
  .drawer-cta{margin-top:18px;width:100%}
  .page-hero{padding:40px 0 48px}
  .page-hero h1{font-size:34px}
  .content-grid{grid-template-columns:1fr;gap:24px;padding-top:40px}
  .side-col{position:static}
  .step-layout{grid-template-columns:1fr;gap:24px}
  .shot-card img{aspect-ratio:16/10}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .page-hero h1{font-size:30px;margin:14px 0 12px}
  .page-hero .lead{font-size:15px}
  .panel{padding:24px 20px;border-radius:16px}
  .panel h2{font-size:22px;padding-left:14px}
  .duo-grid{grid-template-columns:1fr}
  .cta-inner{padding:40px 22px;border-radius:16px}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding-bottom:36px}
  .footer-brand{grid-column:1/-1}
  .footer-brand p{max-width:none}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .badge{font-size:11px}
  .hero-metrics li{font-size:12px;padding:6px 12px}
  .logo-text em{display:none}
  .footer-grid{grid-template-columns:1fr}
  .step-item{gap:12px}
  .cta-inner h2{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --qing:#0F6B5C;
  --qing-deep:#0A4A40;
  --qing-soft:#E3F0EC;
  --orange:#E07A32;
  --orange-deep:#C4682A;
  --orange-soft:#FBEEE2;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E2E6E3;
  --ink-dark:#0B241F;
  --ink:#10201C;
  --ink-2:#4C5B57;
  --ink-3:#8A9691;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --shadow:0 1px 2px rgba(16,32,28,.05),0 8px 24px -16px rgba(16,32,28,.18);
  --shadow-hover:0 14px 36px -18px rgba(16,32,28,.26);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--qing);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--qing-deep)}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--qing);color:#fff}
.btn-primary:hover{background:var(--qing-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-accent{background:var(--orange);color:#fff}
.btn-accent:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-outline{border-color:var(--qing);color:var(--qing);background:transparent}
.btn-outline:hover{background:var(--qing-soft);color:var(--qing-deep);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost-light{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:8px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--qing)}
.btn-text svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.btn-text:hover svg{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,32,28,.45)}
.nav-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:72px}
.nav-left{display:flex;align-items:center;gap:26px}
.nav-right{display:flex;align-items:center;gap:26px;justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;
  transition:color .2s ease;
}
.nav-link:hover{color:var(--qing)}
.nav-link.is-active{color:var(--qing);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:var(--qing);
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);justify-self:center}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--qing-soft);color:var(--qing);flex:0 0 38px;
}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.5px}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.6px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);cursor:pointer;padding:0;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.nav-toggle svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round}
.nav-toggle:hover{background:var(--qing-soft);color:var(--qing);border-color:var(--qing-soft)}
.nav-toggle[aria-expanded="true"]{background:var(--qing-soft);color:var(--qing);border-color:var(--qing-soft)}
.nav-drawer{display:none;background:#fff;border-top:1px solid var(--line);padding:6px 18px 22px}
.nav-drawer.is-open{display:block}
.nav-drawer-link{
  display:flex;align-items:center;height:52px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);transition:color .2s ease;
}
.nav-drawer-link:hover{color:var(--qing)}
.nav-drawer-link.is-active{color:var(--qing);font-weight:600}
.drawer-cta{margin-top:18px;width:100%}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 56px;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(246,245,241,.95) 0%,rgba(246,245,241,.88) 60%,rgba(246,245,241,.96) 100%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--qing)}
.breadcrumb .sep{color:#C4CCC8}
.breadcrumb .current{color:var(--ink-2)}
.page-hero h1{font-size:44px;line-height:1.22;font-weight:700;letter-spacing:-.5px}
.page-hero .lead{margin-top:18px;max-width:760px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.tag svg{width:14px;height:14px;stroke:var(--qing);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 主体布局 ---------- */
.page-body{padding:56px 0 80px}
.layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(0,1fr);gap:36px;align-items:start}
.block{margin-bottom:48px;scroll-margin-top:96px}
.block:last-child{margin-bottom:0}
.section-head{margin-bottom:22px}
.section-head h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;padding-left:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--qing);
}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:680px}

/* 自查卡 */
.check-card{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
}
.check-card figure{margin:0;min-height:240px;background:var(--qing-soft)}
.check-card figure img{width:100%;height:100%;object-fit:cover}
.check-body{padding:28px 28px 26px}
.check-body h3{font-size:17px;font-weight:600;margin-bottom:14px}
.check-list{display:grid;gap:14px}
.check-list li{display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:start}
.check-num{
  width:26px;height:26px;border-radius:999px;display:grid;place-items:center;
  background:var(--qing-soft);color:var(--qing);font-size:13px;font-weight:700;line-height:1;
}
.check-list strong{display:block;font-size:15px;font-weight:600;color:var(--ink)}
.check-list span{display:block;font-size:14px;line-height:1.8;color:var(--ink-2)}

/* 提示框 */
.notice{
  display:grid;grid-template-columns:3px 1fr;gap:14px;
  border-radius:var(--r-md);padding:16px 18px 16px 0;font-size:14px;line-height:1.8;
}
.notice::before{content:"";border-radius:3px;background:var(--qing)}
.notice p{padding-left:0;color:var(--ink-2)}
.notice strong{color:var(--ink);font-weight:600}
.notice-info{background:var(--qing-soft)}
.notice-warn{background:var(--orange-soft)}
.notice-warn::before{background:var(--orange)}

/* FAQ 手风琴 */
.faq-group{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:6px 24px;box-shadow:var(--shadow);
}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:none}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;background:none;border:none;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  transition:color .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:-24px;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--qing);transform:scaleY(0);transform-origin:center;
  transition:transform .2s ease;
}
.faq-q:hover{color:var(--qing)}
.faq-item.is-open .faq-q{color:var(--qing)}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-icon{
  position:relative;flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  background:var(--qing-soft);transition:background-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--qing);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease,background-color .2s ease;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px}
.faq-item.is-open .faq-icon{background:var(--qing)}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:#fff}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 44px 22px 0;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-a-inner p+p{margin-top:12px}
.faq-a-inner strong{color:var(--ink);font-weight:600}

/* 未解决引导条 */
.help-strip{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(180deg,var(--qing-soft) 0%,#F1F8F5 100%);
  border:1px solid #D5E7E0;border-radius:var(--r-lg);padding:26px 28px;
}
.help-strip h3{font-size:18px;font-weight:600}
.help-strip p{margin-top:6px;font-size:14px;color:var(--ink-2);max-width:520px}
.help-strip .btn{flex:0 0 auto}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:16px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 svg{width:17px;height:17px;stroke:var(--qing);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.anchor-list{display:grid;gap:2px}
.anchor-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:8px;font-size:14px;color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease;
}
.anchor-list a:hover{background:var(--qing-soft);color:var(--qing-deep)}
.anchor-list a svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:.6}
.tip-list{display:grid;gap:12px}
.tip-list li{display:grid;grid-template-columns:18px 1fr;gap:10px;font-size:14px;line-height:1.75;color:var(--ink-2)}
.tip-list svg{width:16px;height:16px;margin-top:5px;stroke:var(--orange);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.side-cta{background:var(--ink-dark);border-color:var(--ink-dark);color:#fff;box-shadow:0 18px 40px -28px rgba(11,36,31,.7)}
.side-cta h3{color:#fff}
.side-cta h3 svg{stroke:#8FD3C4}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin-bottom:16px}
.side-cta .btn{width:100%}
.side-cta .btn+.btn{margin-top:10px}
.side-cta .btn-outline{border-color:rgba(255,255,255,.35);color:#fff}
.side-cta .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 底部转化 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-dark);color:#fff;padding:64px 0;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band::before{
  content:"";position:absolute;right:-40px;bottom:-160px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.06);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:30px;line-height:1.35;font-weight:700}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.7);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-dark);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.logo-light .logo-text strong{color:#fff}
.logo-light .logo-text em{color:rgba(255,255,255,.5)}
.logo-light .logo-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:330px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.8);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.footer-social a svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.footer-social a:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.3);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.64);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);line-height:1.7;
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 22px}
  .nav-left,.nav-right{gap:20px}
}
@media (max-width:1023px){
  .nav-grid{grid-template-columns:1fr auto 1fr;height:64px}
  .nav-toggle{display:inline-flex}
  .nav-left{gap:0}
  .nav-left .nav-link{display:none}
  .nav-right{display:none}
  .logo{justify-self:center}
  .layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .side-cta{grid-column:1/-1}
  .page-hero h1{font-size:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner h2{font-size:26px}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 18px}
  .page-hero{padding:36px 0 40px}
  .page-hero h1{font-size:32px}
  .page-hero .lead{font-size:15px;margin-top:14px}
  .page-body{padding:40px 0 56px}
  .section-head h2{font-size:23px}
  .check-card{grid-template-columns:minmax(0,1fr)}
  .check-card figure{min-height:180px;max-height:220px}
  .check-body{padding:22px}
  .faq-group{padding:4px 18px}
  .faq-q{font-size:16px;padding:18px 0;gap:14px}
  .faq-q::before{left:-18px}
  .faq-a-inner{padding-right:30px;font-size:14.5px}
  .help-strip{padding:22px;gap:16px}
  .help-strip .btn{width:100%}
  .sidebar{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:48px 0}
  .cta-inner h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:36px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:420px){
  .page-hero h1{font-size:28px}
  .logo-text em{display:none}
  .logo-text strong{font-size:16px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
  .tag{font-size:12px;padding:0 12px}
}