/* roulang page: index */
:root{
  --c-primary:#0E9384;
  --c-primary-800:#0A6F64;
  --c-lime:#B8F14B;
  --c-accent:#FF7A29;
  --c-ink:#0B1412;
  --c-ink-soft:#1B2A26;
  --c-bg:#F4F7F4;
  --c-bg-alt:#EAF2EC;
  --c-card:#FFFFFF;
  --c-muted:#5B6B66;
  --c-line:rgba(11,20,18,.08);
  --c-line-strong:rgba(11,20,18,.12);
  --grad-brand:linear-gradient(135deg,#0E9384 0%,#2FC79B 48%,#B8F14B 100%);
  --grad-accent:linear-gradient(135deg,#FF7A29 0%,#FFA45C 100%);
  --r-xs:10px;
  --r-sm:14px;
  --r-md:18px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,20,18,.04);
  --sh-card:0 10px 30px -14px rgba(11,20,18,.18);
  --sh-hover:0 18px 44px -18px rgba(14,147,132,.35);
  --sh-dark:0 12px 32px -16px rgba(0,0,0,.45);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow Semi Condensed",var(--font-sans);
  --bs-primary:#0E9384;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#0B1412;
  --bs-body-bg:#F4F7F4;
  --bs-border-radius:18px;
  --bs-link-color:#0E9384;
  --bs-link-hover-color:#0A6F64;
  --bs-border-color:rgba(11,20,18,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:16px;line-height:1.75;color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-800)}
button{font-family:inherit}
h1,h2,h3,h4,h5,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--c-lime);outline-offset:2px;border-radius:6px}
.container-xx{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
h1{font-size:clamp(30px,5vw,54px);line-height:1.12;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(24px,3.2vw,36px);line-height:1.2;font-weight:800;letter-spacing:-.01em}
h3{font-size:clamp(19px,2vw,24px);line-height:1.3;font-weight:700}
h4{font-size:17px;line-height:1.4;font-weight:700}
p{font-size:16px;line-height:1.75}
.muted{color:var(--c-muted)}
.sec{padding:clamp(56px,8vw,112px) 0}
.sec-alt{background:var(--c-bg-alt)}
.sec-head{max-width:760px;margin-bottom:clamp(28px,4vw,52px)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--grad-brand)}
.sec-sub{margin-top:14px;color:var(--c-muted);font-size:16px;line-height:1.75;max-width:640px}
.sec-head.center .sec-sub{margin-left:auto;margin-right:auto}

/* 按钮 */
.btn{font-size:15px;font-weight:700;line-height:1;border-radius:var(--r-pill);transition:all .22s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0}
.btn:focus-visible{outline:3px solid var(--c-lime);outline-offset:2px;box-shadow:none}
.btn-accent{background:var(--grad-accent);color:#fff;height:50px;padding:0 28px;box-shadow:0 10px 24px -12px rgba(255,122,41,.65)}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);background:linear-gradient(160deg,#FF7A29 0%,#FFA45C 100%)}
.btn-accent:active{transform:translateY(1px)}
.btn-line{background:#fff;color:var(--c-primary-800);border:1.5px solid var(--c-ink);height:50px;padding:0 26px}
.btn-line:hover{background:rgba(14,147,132,.08);border-color:var(--c-primary);color:var(--c-primary-800);transform:translateY(-2px)}
.btn-line:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45);height:50px;padding:0 26px}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.8)}
.btn-disabled{opacity:.45;pointer-events:none}
.text-btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--c-primary);background:none;border:0;padding:0;position:relative}
.text-btn i{transition:transform .22s ease;font-size:13px}
.text-btn:hover{color:var(--c-primary-800)}
.text-btn:hover i{transform:translateX(4px)}
.text-btn::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--c-lime);transition:width .25s ease}
.text-btn:hover::after{width:100%}

/* 徽章 */
.badge-d{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.badge-lime{background:var(--c-lime);color:var(--c-ink)}
.badge-soft{background:rgba(14,147,132,.10);color:var(--c-primary-800)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex:0 0 auto}
.badge-lime .badge-dot{background:var(--c-ink)}
.badge-dark{background:rgba(255,255,255,.12);color:#EAF2EC;border:1px solid rgba(234,242,236,.22)}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}

/* 导航 */
.site-header{
  position:sticky;top:14px;z-index:1030;
  width:min(1200px,calc(100% - 32px));
  margin:0 auto;
}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  height:68px;padding:0 14px 0 16px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);
  backdrop-filter:blur(16px) saturate(1.4);
  border:1px solid rgba(11,20,18,.06);
  border-radius:var(--r-pill);
  box-shadow:0 8px 28px -14px rgba(11,20,18,.22);
  transition:height .2s ease,background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .nav-shell{
  height:60px;
  background:rgba(255,255,255,.96);
  box-shadow:0 12px 32px -14px rgba(11,20,18,.3);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:var(--r-xs);
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:19px;font-family:var(--font-num);
  box-shadow:0 6px 16px -8px rgba(14,147,132,.7);
}
.brand-name{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-ink);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(14,147,132,.08);color:var(--c-primary)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--c-lime);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  border:1.5px solid var(--c-line-strong);background:#fff;color:var(--c-ink);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,147,132,.06)}
.nav-cta{height:42px;padding:0 20px}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:var(--r-pill);
  border:1.5px solid var(--c-line-strong);background:#fff;color:var(--c-ink);
  align-items:center;justify-content:center;transition:all .2s ease;
}
.menu-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.mobile-menu{
  display:none;margin-top:10px;padding:14px;
  background:rgba(255,255,255,.98);
  border:1px solid rgba(11,20,18,.06);
  border-radius:var(--r-xl);
  box-shadow:0 20px 44px -18px rgba(11,20,18,.3);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
}
.mobile-menu.is-open{display:block;animation:fadeDown .22s ease}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.mobile-menu .nav-link{display:flex;height:48px;width:100%;border-radius:var(--r-md);font-size:16px}
.mobile-menu .btn{width:100%;margin-top:10px}

/* Hero */
.hero{
  position:relative;margin-top:-82px;padding-top:82px;
  min-height:clamp(520px,72vh,760px);
  display:flex;align-items:center;
  background-image:
    linear-gradient(105deg,rgba(11,20,18,.94) 0%,rgba(11,20,18,.80) 42%,rgba(11,20,18,.38) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 82% 22%,rgba(14,147,132,.24),transparent 58%);
}
.hero-inner{position:relative;z-index:2;padding:clamp(56px,8vw,96px) 0}
.hero h1{color:#fff;margin-bottom:18px}
.hero h1 .hl{
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{font-size:clamp(16px,1.6vw,19px);line-height:1.7;color:rgba(234,242,236,.86);max-width:560px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);
  box-shadow:0 30px 70px -28px rgba(0,0,0,.75);
}
.hero-float{
  position:absolute;left:-14px;bottom:24px;
  background:rgba(11,20,18,.86);
  border:1px solid rgba(234,242,236,.18);
  border-radius:var(--r-lg);
  padding:14px 18px;
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:var(--sh-dark);
}
.hero-float .k{font-size:12px;color:rgba(234,242,236,.66);margin-bottom:4px}
.hero-float .v{font-size:22px;font-weight:800;color:#fff}
.hero-tag{
  position:absolute;right:-10px;top:22px;
  background:var(--c-lime);color:var(--c-ink);
  font-size:13px;font-weight:700;
  padding:8px 16px;border-radius:var(--r-pill);
  box-shadow:0 12px 26px -12px rgba(184,241,75,.8);
}

/* 价值条 */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.value-item{padding:24px 20px;border-radius:var(--r-lg);background:transparent}
.value-ico{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1.5px solid var(--c-primary);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:16px;background:rgba(14,147,132,.06);
}
.value-item h4{margin-bottom:8px}
.value-item p{font-size:14px;line-height:1.65;color:var(--c-muted)}

/* Bento */
.bento-card{
  position:relative;height:100%;
  background:#fff;border:1px solid rgba(11,20,18,.06);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  overflow:hidden;display:flex;flex-direction:column;
}
.bento-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .25s ease;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,147,132,.3)}
.bento-card:hover::before{opacity:1}
.bento-card h3{margin-bottom:10px}
.bento-card p{font-size:15px;color:var(--c-muted);line-height:1.7}
.bento-ico{
  width:46px;height:46px;border-radius:var(--r-sm);
  background:rgba(14,147,132,.1);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
}
.bento-card .text-btn{margin-top:auto;padding-top:20px}
.bento-main{display:grid;grid-template-columns:1fr;gap:20px}
.bento-main img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md)}
.bento-media{margin-bottom:20px;position:relative}
.bento-media .badge-d{position:absolute;left:12px;bottom:12px}

/* 场景深色区 */
.scene{
  position:relative;color:#EAF2EC;
  background:#0B1412;
  background-image:radial-gradient(circle at 18% 12%,rgba(14,147,132,.18),transparent 52%),radial-gradient(circle at 86% 78%,rgba(184,241,75,.12),transparent 46%);
  border-radius:var(--r-xl);
  padding:clamp(36px,5vw,64px);
  overflow:hidden;
}
.scene h2{color:#fff}
.scene .sec-sub{color:rgba(234,242,236,.72)}
.scene-list{display:flex;flex-direction:column;gap:22px}
.scene-item{display:flex;gap:18px;padding-bottom:22px;border-bottom:1px solid rgba(234,242,236,.12)}
.scene-item:last-child{border-bottom:0;padding-bottom:0}
.scene-num{font-family:var(--font-num);font-size:20px;font-weight:800;color:var(--c-lime);line-height:1.3;min-width:34px}
.scene-item h4{color:#fff;margin-bottom:6px}
.scene-item p{font-size:14.5px;line-height:1.7;color:rgba(234,242,236,.72)}
.scene-visual{position:relative}
.scene-visual img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-dark)}
.scene-badges{position:absolute;left:16px;bottom:16px;display:flex;flex-wrap:wrap;gap:8px}

/* 案例卡 */
.case-card{
  height:100%;background:#fff;border:1px solid rgba(11,20,18,.06);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,147,132,.3)}
.case-card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.case-body{padding:24px;display:flex;flex-direction:column;flex:1}
.case-body h3{font-size:19px;margin-bottom:10px}
.case-body p{font-size:14px;color:var(--c-muted);line-height:1.7;margin-bottom:18px}
.case-body .badge-row{margin-top:auto}

/* 价格 */
.price-card{
  position:relative;height:100%;background:#fff;
  border:1px solid rgba(11,20,18,.08);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-card);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.price-card.featured{
  border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 22px 50px -22px rgba(14,147,132,.42);
}
.price-ribbon{
  position:absolute;top:-13px;left:28px;
  background:var(--c-lime);color:var(--c-ink);
  font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:var(--r-pill);
}
.price-name{font-size:15px;font-weight:700;color:var(--c-primary);margin-bottom:14px}
.price-amount{display:flex;align-items:baseline;gap:6px;margin-bottom:8px}
.price-amount .v{font-size:38px;font-weight:800;line-height:1;font-family:var(--font-num);font-variant-numeric:tabular-nums}
.price-amount .u{font-size:14px;color:var(--c-muted);font-weight:600}
.price-note{font-size:13.5px;color:var(--c-muted);line-height:1.6;margin-bottom:20px}
.price-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:#26332F;line-height:1.6}
.price-list i{color:var(--c-primary);margin-top:3px;font-size:13px}
.price-card .btn{width:100%;margin-top:auto}

/* 资讯卡 */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.filter-pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--c-line-strong);
  background:#fff;font-size:14px;font-weight:600;color:var(--c-muted);
  transition:all .2s ease;cursor:pointer;
}
.filter-pill:hover{border-color:var(--c-primary);color:var(--c-primary)}
.filter-pill.is-on{background:var(--c-lime);border-color:var(--c-lime);color:var(--c-ink)}
.post-card{
  height:100%;display:flex;flex-direction:column;
  background:#fff;border:1px solid rgba(11,20,18,.06);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,147,132,.3)}
.post-card .cover{aspect-ratio:16/10;object-fit:cover;width:100%}
.post-body{padding:24px;display:flex;flex-direction:column;flex:1}
.post-body h3{
  font-size:17px;line-height:1.45;font-weight:700;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover h3{color:var(--c-primary)}
.post-body p{
  font-size:14px;line-height:1.7;color:var(--c-muted);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--c-line);padding-top:14px}
.post-foot .time{font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.post-foot .arrow{width:32px;height:32px;border-radius:50%;background:rgba(14,147,132,.08);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:12px;transition:all .2s ease}
.post-card:hover .arrow{background:var(--c-primary);color:#fff;transform:translateX(3px)}
.empty-card{
  min-height:220px;border-radius:var(--r-lg);border:1px dashed var(--c-line-strong);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:32px;
}
.empty-card .eico{width:52px;height:52px;border-radius:50%;background:rgba(14,147,132,.1);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:20px}
.empty-card p{font-size:14.5px;color:var(--c-muted)}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  position:relative;background:#fff;border:1px solid rgba(11,20,18,.06);
  border-radius:var(--r-lg);margin-bottom:12px;box-shadow:var(--sh-1);
  overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item:hover{box-shadow:var(--sh-card);border-color:rgba(14,147,132,.22)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 24px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.5;
  transition:color .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-lime);opacity:0;transition:opacity .22s ease;
}
.faq-q[aria-expanded="true"]{color:var(--c-primary)}
.faq-q[aria-expanded="true"]::before{opacity:1}
.faq-icon{
  position:relative;width:28px;height:28px;flex:0 0 auto;border-radius:50%;
  border:1.5px solid var(--c-primary);transition:background .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-primary);border-radius:2px;transition:opacity .22s ease,background .22s ease;
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-q[aria-expanded="true"] .faq-icon{background:rgba(14,147,132,.1)}
.faq-q[aria-expanded="true"] .faq-icon::after{opacity:0}
.faq-a{padding:4px 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--c-muted)}
.faq-a p{font-size:15px;line-height:1.8;color:var(--c-muted)}

/* 底部 CTA */
.cta-band{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--grad-brand);
  padding:clamp(40px,6vw,64px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.18);
}
.cta-band h2{color:#062B26;position:relative;z-index:2;max-width:620px}
.cta-band p{color:rgba(6,43,38,.78);margin-top:10px;font-size:15.5px;position:relative;z-index:2;max-width:560px}
.cta-band .btn{position:relative;z-index:2;background:#0B1412;color:#fff;box-shadow:0 14px 30px -14px rgba(11,20,18,.7)}
.cta-band .btn:hover{color:#fff;background:#1B2A26;transform:translateY(-2px)}

/* 页脚 */
.site-footer{
  background:#0B1412;color:#EAF2EC;
  border-top:1px solid rgba(184,241,75,.35);
  padding:clamp(48px,6vw,80px) 0 0;margin-top:clamp(56px,8vw,110px);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-name{color:#fff;font-size:16.5px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(234,242,236,.72);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--c-lime);margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:4px}
.footer-col a{
  display:inline-flex;align-items:center;min-height:44px;
  font-size:14px;color:rgba(234,242,236,.72);transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(234,242,236,.72);line-height:1.7;margin-bottom:12px}
.footer-contact i{color:var(--c-primary);margin-top:4px;font-size:14px}
.footer-bottom{
  margin-top:clamp(32px,4vw,52px);padding:22px 0;
  border-top:1px solid rgba(234,242,236,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,242,236,.6);
}
.footer-bottom a{color:rgba(234,242,236,.6)}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1199.98px){
  .container-xx{padding:0 20px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .menu-btn{display:inline-flex}
  .hero{margin-top:-78px;padding-top:78px}
  .hero-inner{padding:clamp(40px,8vw,72px) 0}
  .hero-visual{margin-top:34px}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-desc{max-width:none}
}
@media (max-width:767.98px){
  .sec{padding:clamp(40px,10vw,64px) 0}
  .value-grid{grid-template-columns:1fr}
  .brand-name{font-size:14px}
  .brand-mark{width:34px;height:34px;font-size:17px}
  .nav-shell{height:60px;padding:0 10px 0 12px}
  .hero-float{left:10px;bottom:14px}
  .hero-tag{right:10px;top:14px}
  .scene{padding:28px 20px;border-radius:var(--r-lg)}
  .faq-q{padding:14px 18px;min-height:56px;font-size:15px}
  .faq-a{padding:0 18px 18px}
  .bento-card,.post-body,.case-body,.price-card{padding:20px}
  .cta-band{flex-direction:column;align-items:flex-start;border-radius:var(--r-lg)}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:575.98px){
  .container-xx{padding:0 16px}
  .hero-cta .btn{width:100%}
  .btn{width:100%}
  .hero-cta{flex-direction:column;align-items:stretch}
  .btn.text-btn,.text-btn{width:auto}
  .price-amount .v{font-size:32px}
}

/* roulang page: article */
:root{
  --c-primary:#0E9384;
  --c-primary-800:#0A6F64;
  --c-lime:#B8F14B;
  --c-accent:#FF7A29;
  --c-ink:#0B1412;
  --c-ink-soft:#1B2A26;
  --c-bg:#F4F7F4;
  --c-bg-alt:#EAF2EC;
  --c-card:#FFFFFF;
  --c-muted:#5B6B66;
  --c-line:rgba(11,20,18,.08);
  --c-border:rgba(11,20,18,.06);
  --grad-brand:linear-gradient(135deg,#0E9384 0%,#2FC79B 48%,#B8F14B 100%);
  --grad-accent:linear-gradient(135deg,#FF7A29 0%,#FFA45C 100%);
  --r-xs:10px;
  --r-sm:14px;
  --r-md:18px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,20,18,.04);
  --sh-card:0 10px 30px -14px rgba(11,20,18,.18);
  --sh-hover:0 18px 44px -18px rgba(14,147,132,.35);
  --sh-dark:0 12px 32px -16px rgba(0,0,0,.45);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow Semi Condensed",var(--font-sans);
  --bs-primary:#0E9384;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#0B1412;
  --bs-body-bg:#F4F7F4;
  --bs-border-radius:18px;
  --bs-border-radius-lg:24px;
  --bs-link-color:#0E9384;
  --bs-link-hover-color:#0A6F64;
  --bs-btn-border-radius:999px;
  --bs-font-sans-serif:var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-800)}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:rgba(184,241,75,.55);color:var(--c-ink)}
:focus-visible{outline:3px solid var(--c-lime);outline-offset:2px;border-radius:6px}
.container-xx{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (max-width:575.98px){.container-xx{padding:0 16px}}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:sticky;
  top:14px;
  z-index:1030;
  transition:top .2s ease;
}
.nav-shell{
  width:min(1200px,calc(100% - 32px));
  margin:0 auto;
  min-height:68px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(16px) saturate(1.4);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);
  border:1px solid var(--c-border);
  border-radius:var(--r-pill);
  box-shadow:0 8px 28px -14px rgba(11,20,18,.22);
  transition:min-height .2s ease,background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .nav-shell{
  min-height:60px;
  background:rgba(255,255,255,.96);
  box-shadow:0 12px 34px -16px rgba(11,20,18,.3);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--c-ink);
}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:var(--r-xs);
  background:var(--grad-brand);
  color:#062B25;
  font-weight:800;
  font-size:18px;
  line-height:1;
  letter-spacing:0;
  box-shadow:0 6px 16px -8px rgba(14,147,132,.7);
}
.brand-name{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:var(--c-ink);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:rgba(14,147,132,.08);color:var(--c-primary)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--c-lime);
  max-width:16px;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;
  display:grid;place-items:center;
  border:1.5px solid rgba(11,20,18,.12);
  background:#fff;
  color:var(--c-ink);
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,147,132,.06)}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:42px;
  padding:0 20px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--grad-accent);
  color:#fff;
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  box-shadow:0 10px 24px -12px rgba(255,122,41,.75);
  transition:transform .18s ease,box-shadow .18s ease,background-position .3s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px -16px rgba(255,122,41,.85)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:1.5px solid var(--c-ink);
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--c-ink);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:rgba(14,147,132,.08);border-color:var(--c-primary);color:var(--c-primary-800);transform:translateY(-2px)}
.btn-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  color:var(--c-primary);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:border-color .18s ease,gap .18s ease;
}
.btn-line i{transition:transform .18s ease}
.btn-line:hover{border-bottom-color:var(--c-lime);color:var(--c-primary-800)}
.btn-line:hover i{transform:translateX(4px)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-border);
  background:#fff;
  border-radius:var(--r-pill);
  color:var(--c-ink);
  place-items:center;
  cursor:pointer;
}
.mobile-panel{
  display:none;
  width:min(1200px,calc(100% - 32px));
  margin:10px auto 0;
  padding:14px;
  background:#fff;
  border-radius:var(--r-xl);
  border:1px solid var(--c-border);
  box-shadow:0 18px 40px -20px rgba(11,20,18,.35);
}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  color:var(--c-ink);
}
.mobile-panel a:hover{background:var(--c-bg-alt);color:var(--c-primary)}
.mobile-panel a.is-active{color:var(--c-primary);background:rgba(14,147,132,.08)}
.mobile-panel .btn-main{width:100%;margin-top:8px;height:48px}
.site-header.is-open .mobile-panel{display:block}
@media (max-width:991.98px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:grid;margin-left:auto}
  .brand-name{font-size:14px}
}

/* ============ 文章头（深色区块） ============ */
.article-hero{
  position:relative;
  margin:-82px 0 0;
  padding:158px 0 clamp(48px,6vw,76px);
  background:var(--c-ink);
  overflow:hidden;
  border-radius:0 0 var(--r-xl) var(--r-xl);
}
.article-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.24;
}
.article-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 12% 18%,rgba(14,147,132,.28),transparent 70%),
    radial-gradient(480px 300px at 88% 6%,rgba(184,241,75,.16),transparent 72%),
    linear-gradient(180deg,rgba(11,20,18,.86) 0%,rgba(11,20,18,.92) 100%);
}
.article-hero .container-xx{position:relative;z-index:2}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  line-height:1.5;
  color:rgba(234,242,236,.66);
  margin-bottom:20px;
}
.crumb a{color:rgba(234,242,236,.82)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.crumb .cur{
  max-width:280px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:rgba(234,242,236,.62);
}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 13px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  background:rgba(14,147,132,.10);
  color:var(--c-primary-800);
}
.badge-pill .dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.badge-lime{background:var(--c-lime);color:#12261D}
.badge-dark{background:rgba(234,242,236,.12);color:#EAF2EC}
.article-hero h1{
  margin:18px 0 0;
  color:#EAF2EC;
  font-size:clamp(30px,5vw,54px);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-.02em;
  max-width:22em;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:22px;
  font-size:13px;
  line-height:1.5;
  color:rgba(234,242,236,.72);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .mid{opacity:.45}

/* ============ 主体布局 ============ */
.article-wrap{padding:clamp(40px,6vw,72px) 0 clamp(56px,8vw,96px)}
.cover-figure{
  margin:0 0 clamp(26px,3vw,38px);
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--c-border);
  box-shadow:var(--sh-card);
}
.cover-figure img{
  width:100%;
  aspect-ratio:21/9;
  object-fit:cover;
  border-radius:0;
}
@media (max-width:767.98px){.cover-figure img{aspect-ratio:16/9}}
.panel{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  padding:28px;
}
@media (max-width:575.98px){.panel{padding:20px}}

/* 正文排版 */
.article-body{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  padding:clamp(22px,3.4vw,40px);
  max-width:760px;
}
.article-body > *:first-child{margin-top:0}
.article-body p{
  font-size:17px;
  line-height:1.9;
  color:#22302C;
  margin:0 0 1.3em;
}
.article-body h2{
  position:relative;
  margin:1.9em 0 .75em;
  padding-left:16px;
  font-size:clamp(22px,2.6vw,28px);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--c-ink);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.16em;
  bottom:.16em;
  width:4px;
  border-radius:var(--r-pill);
  background:var(--c-lime);
}
.article-body h3{
  margin:1.6em 0 .6em;
  font-size:clamp(19px,2vw,22px);
  font-weight:700;
  line-height:1.35;
  color:var(--c-ink);
}
.article-body h4{margin:1.3em 0 .5em;font-size:17px;font-weight:700;line-height:1.4}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body strong{font-weight:700;color:var(--c-ink)}
.article-body ul{margin:0 0 1.3em;padding-left:0}
.article-body ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:.6em;
  font-size:16.5px;
  line-height:1.85;
  color:#22302C;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:4px;top:.72em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--c-primary);
}
.article-body ol{margin:0 0 1.3em;padding-left:1.4em;list-style:decimal}
.article-body ol li{margin-bottom:.6em;font-size:16.5px;line-height:1.85;color:#22302C}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:var(--c-bg-alt);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-md);
  color:var(--c-ink-soft);
}
.article-body blockquote p{margin:0;font-size:16px}
.article-body img{
  width:100%;
  border-radius:var(--r-md);
  margin:1.6em auto;
}
.article-body figure{margin:1.6em 0}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--c-muted);
}
.article-body .table-wrap,
.article-body table{
  margin:1.6em 0;
}
.article-body .table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-md)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.article-body th{
  background:var(--c-bg-alt);
  font-weight:700;
  text-align:left;
  padding:12px 14px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-ink);
  white-space:nowrap;
}
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--c-line);
  color:#33423D;
  line-height:1.7;
}
.article-body tbody tr:nth-child(even) td{background:rgba(234,242,236,.5)}
.article-body pre{
  margin:1.6em 0;
  padding:18px 20px;
  background:var(--c-ink);
  color:var(--c-lime);
  border-radius:var(--r-md);
  overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
  line-height:1.7;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
  background:var(--c-bg-alt);
  color:var(--c-primary-800);
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre code{background:transparent;color:inherit;padding:0}
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  min-height:260px;
  padding:32px 20px;
  background:var(--c-bg-alt);
  border:1px dashed rgba(11,20,18,.16);
  border-radius:var(--r-lg);
  text-align:center;
}
.empty-state i{font-size:30px;color:var(--c-primary)}
.empty-state p{font-size:15px;color:var(--c-muted);margin:0}

/* 标签与导航卡 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:clamp(24px,3vw,34px);max-width:760px}
.tag-pill{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 14px;
  border:1px solid rgba(11,20,18,.14);
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  color:var(--c-ink-soft);
  background:#fff;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.tag-pill:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,147,132,.06)}
.prevnext{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  margin-top:clamp(28px,4vw,44px);
  max-width:760px;
}
@media (max-width:575.98px){.prevnext{grid-template-columns:1fr}}
.pn-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:20px;
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,147,132,.35)}
.pn-card .pn-label{
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-primary);
}
.pn-card .pn-title{
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  color:var(--c-ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.pn-card:hover .pn-title{color:var(--c-primary)}
.pn-card .pn-go{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-top:auto}
.pn-card.align-end{text-align:right;align-items:flex-end}

/* 相关推荐 */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:24px;
}
.section-head h2{
  font-size:clamp(22px,3.2vw,32px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
}
.section-head p{font-size:14px;color:var(--c-muted);margin-top:8px}
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
@media (max-width:991.98px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.rel-grid{grid-template-columns:1fr}}
.list-card{
  display:flex;
  flex-direction:column;
  height:100%;
  min-height:340px;
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.list-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,147,132,.35)}
.list-card .thumb{position:relative;overflow:hidden}
.list-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.list-card:hover .thumb img{transform:scale(1.04)}
.list-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.list-card h3{
  font-size:17px;
  font-weight:700;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.list-card:hover h3{color:var(--c-primary)}
.list-card p{
  font-size:14px;
  line-height:1.7;
  color:var(--c-muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.list-card .foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--c-muted);
  padding-top:8px;
  border-top:1px solid var(--c-line);
}

/* 侧栏 */
.side-col{position:relative}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
@media (max-width:991.98px){
  .side-sticky{position:static}
  .side-col{margin-top:32px}
}
.side-card{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  padding:22px;
}
.side-card h3{
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3 i{color:var(--c-primary)}
.toc-list li + li{margin-top:4px}
.toc-list a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  border-radius:var(--r-sm);
  font-size:14px;
  font-weight:600;
  color:var(--c-ink-soft);
  border-left:3px solid transparent;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.toc-list a:hover{background:var(--c-bg-alt);color:var(--c-primary)}
.toc-list a.is-current{border-left-color:var(--c-lime);background:var(--c-bg-alt);color:var(--c-primary-800)}
.mini-list li + li{margin-top:10px}
.mini-list a{
  display:block;
  padding:12px;
  border-radius:var(--r-sm);
  background:var(--c-bg-alt);
  transition:background .18s ease,transform .18s ease;
}
.mini-list a:hover{background:rgba(14,147,132,.12);transform:translateX(3px)}
.mini-list .mt{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  font-size:14px;
  font-weight:700;
  line-height:1.5;
  color:var(--c-ink);
}
.mini-list .ms{font-size:12px;color:var(--c-muted);margin-top:4px}
.cta-side{
  position:relative;
  border-radius:var(--r-lg);
  padding:2px;
  background:var(--grad-brand);
}
.cta-side .inner{
  background:#fff;
  border-radius:calc(var(--r-lg) - 2px);
  padding:22px;
}
.cta-side h3{font-size:16px;font-weight:800;margin-bottom:10px}
.cta-side p{font-size:14px;line-height:1.7;color:var(--c-muted);margin-bottom:16px}
.cta-side .btn-main{width:100%;height:46px}
.back-line{margin-top:28px}

/* 页脚 */
.site-footer{
  position:relative;
  margin-top:clamp(40px,6vw,80px);
  background:var(--c-ink);
  color:#EAF2EC;
  padding:clamp(44px,6vw,72px) 0 26px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:var(--c-lime);
  opacity:.35;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;font-size:17px}
.footer-brand .brand-name{color:#EAF2EC;font-size:16px;font-weight:800}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(234,242,236,.72);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--c-lime);
  margin-bottom:14px;
}
.footer-col ul li + li{margin-top:6px}
.footer-col ul a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  font-size:14px;
  color:rgba(234,242,236,.72);
  transition:color .18s ease,transform .18s ease;
}
.footer-col ul a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  line-height:1.75;
  color:rgba(234,242,236,.72);
  padding:6px 0;
}
.footer-contact i{color:var(--c-primary);margin-top:4px}
.footer-bottom{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid rgba(234,242,236,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(234,242,236,.6);
}
.footer-bottom a{color:rgba(234,242,236,.72)}
.footer-bottom a:hover{color:#fff}

/* roulang page: category1 */
:root{
  --c-primary:#0E9384;
  --c-primary-800:#0A6F64;
  --c-lime:#B8F14B;
  --c-accent:#FF7A29;
  --c-ink:#0B1412;
  --c-ink-soft:#1B2A26;
  --c-bg:#F4F7F4;
  --c-bg-alt:#EAF2EC;
  --c-card:#FFFFFF;
  --c-muted:#5B6B66;
  --c-line:rgba(11,20,18,.08);
  --c-line-strong:rgba(11,20,18,.12);
  --grad-brand:linear-gradient(135deg,#0E9384 0%,#2FC79B 48%,#B8F14B 100%);
  --grad-accent:linear-gradient(135deg,#FF7A29 0%,#FFA45C 100%);
  --r-xs:10px; --r-sm:14px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,20,18,.04);
  --sh-card:0 10px 30px -14px rgba(11,20,18,.18);
  --sh-hover:0 18px 44px -18px rgba(14,147,132,.35);
  --sh-dark:0 12px 32px -16px rgba(0,0,0,.45);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow Semi Condensed",var(--font-sans);

  --bs-primary:#0E9384;
  --bs-primary-rgb:14,147,132;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#0B1412;
  --bs-body-bg:#F4F7F4;
  --bs-border-radius:18px;
  --bs-border-radius-lg:24px;
  --bs-link-color:#0E9384;
  --bs-link-hover-color:#0A6F64;
  --bs-font-sans-serif:var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-800)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--c-lime);outline-offset:2px;border-radius:6px}
.container-xx{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}
@media (max-width:575.98px){.container-xx{padding-inline:16px}}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:sticky;top:14px;z-index:1030}
.nav-shell{
  position:relative;
  width:min(1200px,calc(100% - 32px));
  margin-inline:auto;
  height:68px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 12px 0 16px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);
  backdrop-filter:blur(16px) saturate(1.4);
  border:1px solid rgba(11,20,18,.06);
  border-radius:var(--r-pill);
  box-shadow:0 8px 28px -14px rgba(11,20,18,.22);
  transition:height .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-shell.is-scrolled{height:60px;background:rgba(255,255,255,.96);box-shadow:0 14px 34px -16px rgba(11,20,18,.32)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:var(--r-xs);
  background:var(--grad-brand);
  color:#04231f;font-weight:800;font-size:18px;
  display:grid;place-items:center;line-height:1;
}
.brand-name{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-ink);
  white-space:nowrap;
}
.nav-link:hover{background:rgba(14,147,132,.08);color:var(--c-primary)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:6px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--c-lime);
}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:10px}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border:0;border-radius:var(--r-pill);
  background:var(--grad-accent);color:#fff;font-size:15px;font-weight:700;line-height:1;
  box-shadow:0 8px 22px -12px rgba(255,122,41,.85);
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease;
}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-pill);
  border:1.5px solid var(--c-line-strong);background:#fff;color:var(--c-ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.nav-mobile{
  display:none;
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);
  box-shadow:0 22px 50px -20px rgba(11,20,18,.35);
  padding:12px;flex-direction:column;gap:4px;
}
.nav-mobile.is-open{display:flex}
.nav-m-link{
  display:flex;align-items:center;
  min-height:48px;padding:0 16px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;color:var(--c-ink);
}
.nav-m-link:hover{background:rgba(14,147,132,.08);color:var(--c-primary)}
.nav-m-link.is-active{color:var(--c-primary);background:rgba(14,147,132,.08)}
.nav-mobile .btn-cta{width:100%;height:48px;margin-top:6px}

@media (max-width:991.98px){
  .nav-links,.nav-actions .btn-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .brand-name{font-size:14px}
}

/* ============ 面包屑 ============ */
.crumbs{padding:22px 0 8px;font-size:13px;color:var(--c-muted)}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{margin:0 8px;opacity:.55}
.crumbs .current{color:var(--c-ink);font-weight:600}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  margin-top:14px;
  min-height:clamp(240px,32vw,320px);
  border-radius:var(--r-xl);
  overflow:hidden;
  background:#0B1412;
  color:#EAF2EC;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:clamp(32px,5vw,56px) clamp(22px,4.5vw,52px);
  box-shadow:var(--sh-dark);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.20;mix-blend-mode:luminosity;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(60% 80% at 12% 20%,rgba(14,147,132,.30) 0%,rgba(14,147,132,0) 62%),
    radial-gradient(50% 70% at 88% 88%,rgba(184,241,75,.16) 0%,rgba(184,241,75,0) 60%),
    linear-gradient(115deg,rgba(11,20,18,.92) 0%,rgba(11,20,18,.72) 55%,rgba(11,20,18,.55) 100%);
}
.cat-hero > *{position:relative;z-index:2}
.cat-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;margin-bottom:18px;
  border-radius:var(--r-pill);
  background:rgba(184,241,75,.16);
  color:#D7F79A;font-size:13px;font-weight:700;letter-spacing:.02em;
  align-self:flex-start;
}
.cat-hero h1{
  color:#fff;
  font-size:clamp(26px,4vw,42px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:820px;
}
.cat-hero .hero-lead{
  margin-top:16px;
  max-width:640px;
  font-size:15px;
  line-height:1.8;
  color:rgba(234,242,236,.78);
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.chip-lime{background:var(--c-lime);color:#0B1412}
.chip-soft{background:rgba(14,147,132,.16);color:#B8F14B;border:1px solid rgba(184,241,75,.28)}
.chip i{font-size:12px}

/* ============ 主体布局 ============ */
main{padding-bottom:clamp(56px,8vw,96px)}
.cat-layout{padding-top:clamp(28px,4vw,44px)}

/* 侧栏目录 */
.toc-card{
  background:var(--c-card);
  border:1px solid rgba(11,20,18,.06);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  padding:22px 20px;
  position:sticky;
  top:96px;
}
.toc-title{
  font-size:14px;font-weight:700;color:var(--c-primary-800);
  letter-spacing:.04em;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.toc-title i{color:var(--c-primary)}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-link{
  position:relative;
  display:flex;align-items:center;
  min-height:44px;padding:6px 12px 6px 16px;
  border-radius:var(--r-sm);
  font-size:14px;font-weight:600;color:var(--c-ink);
  line-height:1.45;
}
.toc-link:hover{background:var(--c-bg-alt);color:var(--c-primary)}
.toc-link.is-current{color:var(--c-primary);background:rgba(14,147,132,.07)}
.toc-link.is-current::before{
  content:"";position:absolute;left:2px;top:12px;bottom:12px;
  width:3px;border-radius:3px;background:var(--c-lime);
}
.toc-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--c-primary);
}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover{color:var(--c-primary-800);text-decoration:underline;text-decoration-color:var(--c-lime);text-underline-offset:4px}
.link-arrow:hover i{transform:translateX(4px)}

/* 配图 */
.intro-figure{
  margin:0 0 26px;
  background:var(--c-card);
  border:1px solid rgba(11,20,18,.06);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.intro-figure img{width:100%;aspect-ratio:21/9;object-fit:cover}
.intro-figure figcaption{
  padding:12px 20px;font-size:13px;color:var(--c-muted);
  border-top:1px solid var(--c-line);
}

/* 分组 */
.group{
  background:var(--c-card);
  border:1px solid rgba(11,20,18,.06);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  padding:clamp(20px,3vw,30px);
  margin-bottom:24px;
  scroll-margin-top:104px;
}
.group-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px}
.group-num{
  flex:0 0 auto;
  width:44px;height:44px;border-radius:var(--r-xs);
  border:1.5px solid rgba(14,147,132,.35);
  background:rgba(14,147,132,.06);
  color:var(--c-primary-800);
  font-family:var(--font-num);
  font-size:17px;font-weight:800;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.group h2{
  font-size:clamp(19px,2vw,24px);
  line-height:1.3;
  font-weight:800;
}
.group h2::before{
  content:"";display:inline-block;
  width:6px;height:18px;margin-right:10px;border-radius:4px;
  background:var(--c-lime);vertical-align:-2px;
}
.group-sub{margin-top:6px;font-size:14px;color:var(--c-muted);line-height:1.7}

/* 条目卡片行 */
.row-card{
  display:flex;align-items:center;gap:16px;
  min-height:72px;
  padding:12px 18px;
  margin-bottom:12px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.row-card:last-child{margin-bottom:0}
.row-card:hover{
  background:var(--c-bg-alt);
  border-color:rgba(14,147,132,.35);
  box-shadow:0 10px 26px -18px rgba(14,147,132,.55);
}
.row-icon{
  flex:0 0 auto;
  width:40px;height:40px;border-radius:var(--r-xs);
  display:grid;place-items:center;
  background:rgba(14,147,132,.10);
  color:var(--c-primary);
  font-size:16px;
}
.row-body{flex:1 1 auto;min-width:0}
.row-title{font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.5}
.row-desc{font-size:13.5px;color:var(--c-muted);line-height:1.6;margin-top:2px}
.row-go{
  flex:0 0 auto;
  width:34px;height:34px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  color:var(--c-primary);background:rgba(14,147,132,.08);
  transition:transform .2s ease,background .2s ease;
}
.row-card:hover .row-go{transform:translateX(4px);background:rgba(14,147,132,.16)}

/* 底部 CTA 条 */
.cta-band{
  position:relative;
  margin-top:8px;
  border-radius:var(--r-xl);
  background:var(--grad-brand);
  padding:clamp(32px,5vw,56px) clamp(22px,4vw,52px);
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  overflow:hidden;
  box-shadow:0 20px 46px -22px rgba(14,147,132,.65);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-60px;width:240px;height:240px;
  border-radius:50%;background:rgba(255,255,255,.22);filter:blur(6px);
}
.cta-band h2{position:relative;z-index:2;color:#062B24;font-size:clamp(20px,2.6vw,30px);font-weight:800;line-height:1.28}
.cta-band p{position:relative;z-index:2;margin-top:8px;font-size:14.5px;color:rgba(6,43,36,.78);max-width:620px}
.cta-band .btn-cta{position:relative;z-index:2;height:50px;padding:0 28px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:clamp(48px,7vw,84px);
  background:#0B1412;
  border-top:1px solid rgba(184,241,75,.35);
  color:#EAF2EC;
  padding:clamp(44px,6vw,72px) 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:17px}
.footer-brand .brand-name{color:#EAF2EC;font-size:16px;font-weight:800;white-space:nowrap}
.footer-desc{font-size:14px;line-height:1.7;color:rgba(234,242,236,.72);max-width:340px}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--c-lime);
  letter-spacing:.02em;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:6px}
.footer-col ul a{
  display:inline-flex;align-items:center;min-height:32px;
  font-size:14px;color:rgba(234,242,236,.72);
  transition:color .2s ease,transform .2s ease;
}
.footer-col ul a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{
  display:flex;gap:10px;
  font-size:14px;color:rgba(234,242,236,.72);
  line-height:1.7;margin-bottom:10px;
}
.footer-contact i{color:var(--c-lime);margin-top:5px;flex:0 0 auto}
.footer-bottom{
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(234,242,236,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(234,242,236,.6);
}
.footer-bottom a{color:rgba(234,242,236,.6)}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-col:nth-child(4){grid-column:1 / -1}
}
@media (max-width:991.98px){
  .toc-card{position:static;padding:14px}
  .toc-title{margin-bottom:10px;font-size:13px}
  .toc-list{
    flex-direction:row;gap:8px;
    overflow-x:auto;padding-bottom:4px;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .toc-list::-webkit-scrollbar{display:none}
  .toc-link{
    min-height:38px;padding:0 14px;
    border:1px solid var(--c-line);
    border-radius:var(--r-pill);
    white-space:nowrap;font-size:13.5px;
  }
  .toc-link.is-current::before{display:none}
  .toc-link.is-current{border-color:rgba(14,147,132,.5);background:rgba(14,147,132,.1)}
  .toc-foot{margin-top:14px;padding-top:12px}
  .cat-layout .col-side{margin-bottom:20px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .btn-cta{width:100%}
}
@media (max-width:767.98px){
  .cat-hero{border-radius:var(--r-lg)}
  .group{border-radius:var(--r-md)}
  .row-card{min-height:64px;padding:12px 14px;gap:12px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-col:nth-child(1),.footer-col:nth-child(4){grid-column:1 / -1}
}
@media (max-width:575.98px){
  .cat-hero{border-radius:var(--r-md)}
  .row-icon{width:36px;height:36px}
  .row-title{font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .footer-col:nth-child(1),.footer-col:nth-child(4){grid-column:auto}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E9384;
  --c-primary-800:#0A6F64;
  --c-lime:#B8F14B;
  --c-accent:#FF7A29;
  --c-ink:#0B1412;
  --c-ink-soft:#1B2A26;
  --c-bg:#F4F7F4;
  --c-bg-alt:#EAF2EC;
  --c-muted:#5B6B66;
  --c-line:rgba(11,20,18,.08);
  --c-card-line:rgba(11,20,18,.06);
  --grad-brand:linear-gradient(135deg,#0E9384 0%,#2FC79B 48%,#B8F14B 100%);
  --grad-action:linear-gradient(135deg,#FF7A29 0%,#FFA45C 100%);
  --r-xs:10px; --r-sm:14px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,20,18,.04);
  --sh-card:0 10px 30px -14px rgba(11,20,18,.18);
  --sh-hover:0 18px 44px -18px rgba(14,147,132,.35);
  --sh-dark:0 12px 32px -16px rgba(0,0,0,.45);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow Semi Condensed",var(--font-sans);
  --bs-primary:#0E9384;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#0B1412;
  --bs-border-radius:18px;
  --bs-link-color:#0E9384;
  --bs-link-hover-color:#0A6F64;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-800)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--c-lime);outline-offset:2px;border-radius:6px}

.container-xx{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.section{padding:clamp(56px,8vw,112px) 0}
.section-alt{background:var(--c-bg-alt)}
.section-dark{
  background:#0B1412;
  color:#EAF2EC;
  background-image:radial-gradient(60% 80% at 18% 12%,rgba(14,147,132,.18) 0%,rgba(14,147,132,0) 62%),
                   radial-gradient(45% 60% at 88% 82%,rgba(184,241,75,.12) 0%,rgba(184,241,75,0) 60%);
}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,44px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:var(--grad-brand)}
h1{font-size:clamp(26px,4vw,42px);line-height:1.16;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(24px,3.2vw,36px);line-height:1.2;font-weight:800;letter-spacing:-.01em}
h3{font-size:clamp(19px,2vw,24px);line-height:1.3;font-weight:700}
h4{font-size:17px;line-height:1.4;font-weight:700}
.lead{font-size:16px;color:var(--c-muted);line-height:1.8}
.section-dark .lead,.section-dark p{color:rgba(234,242,236,.72)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  min-height:44px;
}
.btn-primary,.btn-action{
  background-image:var(--grad-action);
  color:#fff;
  box-shadow:0 10px 24px -14px rgba(255,122,41,.85);
}
.btn-primary:hover,.btn-action:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
  color:#fff;
  background-image:linear-gradient(140deg,#FF7A29 0%,#FFAE6B 100%);
}
.btn-primary:active,.btn-action:active{transform:translateY(0)}
.btn-ghost{
  background:#fff;color:var(--c-ink-soft);
  border:1.5px solid rgba(11,20,18,.16);
}
.btn-ghost:hover{
  background:rgba(14,147,132,.08);
  border-color:var(--c-primary);
  color:var(--c-primary-800);
  transform:translateY(-2px);
}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--c-primary);
  border-bottom:1px solid transparent;transition:.18s ease;
}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover{color:var(--c-primary-800);border-bottom-color:var(--c-lime)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.badge-lime{background:var(--c-lime);color:var(--c-ink)}
.badge-soft{background:rgba(14,147,132,.10);color:var(--c-primary)}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}
.section-dark .badge-soft{background:rgba(184,241,75,.16);color:#D7FCA6}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;top:14px;z-index:1030;
  width:min(1200px,calc(100% - 32px));
  margin:14px auto 0;
}
.nav-shell{
  display:flex;align-items:center;gap:20px;
  height:68px;padding:0 18px 0 20px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(16px) saturate(1.4);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);
  border:1px solid var(--c-card-line);
  border-radius:var(--r-pill);
  box-shadow:0 8px 28px -14px rgba(11,20,18,.22);
  transition:height .2s ease,background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .nav-shell{
  height:60px;
  background:rgba(255,255,255,.96);
  box-shadow:0 12px 34px -16px rgba(11,20,18,.30);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-xs);
  background-image:var(--grad-brand);
  color:#0B1412;font-weight:800;font-size:19px;
  display:inline-flex;align-items:center;justify-content:center;
  letter-spacing:0;flex:0 0 auto;
}
.brand-name{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;height:42px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--c-ink-soft);
  border-radius:var(--r-pill);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:rgba(14,147,132,.08);color:var(--c-primary)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--c-lime);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid rgba(11,20,18,.10);border-radius:var(--r-pill);
  color:var(--c-ink-soft);cursor:pointer;transition:.18s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,147,132,.06)}
.nav-toggle{display:none}
.mobile-panel{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:#fff;border-radius:var(--r-xl);padding:14px;
  box-shadow:0 24px 50px -22px rgba(11,20,18,.34);
  border:1px solid var(--c-card-line);
  display:none;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;align-items:center;height:48px;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--c-ink-soft);border-radius:var(--r-md);
}
.mobile-panel a:hover,.mobile-panel a.is-active{background:rgba(14,147,132,.08);color:var(--c-primary)}
.mobile-panel .btn{width:100%;margin-top:10px}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 4px}
.crumb-bar ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-muted)}
.crumb-bar a{color:var(--c-muted)}
.crumb-bar a:hover{color:var(--c-primary)}
.crumb-bar .sep{opacity:.5}
.crumb-bar [aria-current]{color:var(--c-ink);font-weight:600}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  margin-top:14px;
  min-height:clamp(240px,32vw,320px);
  border-radius:var(--r-xl);
  overflow:hidden;
  background:#0B1412;
  display:flex;align-items:center;
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.28;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,20,18,.94) 8%,rgba(11,20,18,.72) 52%,rgba(11,20,18,.38) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding-top:clamp(32px,5vw,52px);padding-bottom:clamp(32px,5vw,52px);max-width:820px}
.page-hero h1{color:#EAF2EC;margin:14px 0 12px}
.page-hero-lead{color:rgba(234,242,236,.76);font-size:16px;line-height:1.8;max-width:640px}

/* ---------- 徽章带 ---------- */
.badge-strip{
  display:flex;gap:12px;flex-wrap:wrap;
  padding:18px 0 0;
}
.badge-strip .badge{height:32px}

/* ---------- Bento 功能网格 ---------- */
.bento-card{
  position:relative;height:100%;
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  padding:28px;
  display:flex;flex-direction:column;gap:14px;
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.bento-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background-image:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.bento-card:hover::before{transform:scaleX(1)}
.bento-media{
  margin:-28px -28px 4px;
  aspect-ratio:3/2;
  overflow:hidden;
  background:var(--c-bg-alt);
}
.bento-media img{width:100%;height:100%;object-fit:cover}
.bento-icon{
  width:44px;height:44px;border-radius:var(--r-xs);
  border:1.5px solid var(--c-primary);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
  background:rgba(14,147,132,.06);
}
.bento-card h3{font-size:clamp(19px,2vw,24px)}
.bento-card p{color:var(--c-muted);font-size:14px;line-height:1.7}
.bento-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.bento-tags{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 步骤条 ---------- */
.step-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  counter-reset:step;
}
.step-item{
  position:relative;
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-card)}
.step-item::after{
  content:"";position:absolute;top:38px;right:-24px;width:24px;height:2px;
  background:rgba(14,147,132,.25);
}
.step-item:last-child::after{display:none}
.step-num{
  display:inline-block;font-family:var(--font-num);
  font-size:22px;font-weight:800;color:var(--c-lime);
  -webkit-text-stroke:.5px rgba(11,20,18,.35);
  margin-bottom:10px;
}
.section-alt .step-num{color:#8ED21F;-webkit-text-stroke:0}
.step-item h3{font-size:17px;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--c-muted);line-height:1.7}

/* ---------- 图文要点区 ---------- */
.media-card{
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-card);background:#fff;
  border:1px solid var(--c-card-line);
}
.media-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.point-list{display:grid;gap:16px;margin-top:22px}
.point-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.point-item:hover{transform:translateX(4px);border-color:rgba(14,147,132,.3);box-shadow:var(--sh-card)}
.point-item i{color:var(--c-primary);font-size:16px;margin-top:5px}
.point-item h4{font-size:16px;margin-bottom:4px}
.point-item p{font-size:14px;color:var(--c-muted);line-height:1.7}

/* ---------- 备注卡 ---------- */
.note-card{
  background:var(--c-bg-alt);
  border:1px solid rgba(14,147,132,.18);
  border-radius:var(--r-md);
  padding:24px 26px;
  display:flex;gap:16px;align-items:flex-start;
}
.note-card i{color:var(--c-primary);font-size:18px;margin-top:4px}
.note-card h4{margin-bottom:6px}
.note-card p{font-size:14px;color:var(--c-muted);line-height:1.75}

/* ---------- 底部 CTA ---------- */
.cta-band{
  border-radius:var(--r-xl);
  background-image:var(--grad-brand);
  padding:clamp(40px,6vw,64px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
  box-shadow:0 24px 60px -30px rgba(14,147,132,.6);
}
.cta-band h2{color:#08201B;max-width:640px}
.cta-band p{color:rgba(8,32,27,.78);font-size:15px;margin-top:10px;max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(56px,8vw,112px);
  background:#0B1412;color:#EAF2EC;
  border-top:1px solid rgba(184,241,75,.35);
  padding:clamp(48px,7vw,84px) 0 28px;
  background-image:radial-gradient(50% 70% at 12% 0%,rgba(14,147,132,.16) 0%,rgba(14,147,132,0) 60%);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#EAF2EC}
.footer-desc{font-size:14px;line-height:1.75;color:rgba(234,242,236,.72);max-width:320px}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--c-lime);
  margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:2px}
.footer-col li a,.footer-contact li{
  display:flex;align-items:center;gap:10px;
  min-height:44px;font-size:14px;color:rgba(234,242,236,.72);
  transition:color .18s ease,transform .18s ease;
}
.footer-col li a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{align-items:flex-start;line-height:1.7;padding:6px 0;min-height:auto}
.footer-contact i{color:var(--c-primary);margin-top:5px;flex:0 0 auto}
.footer-bottom{
  margin-top:38px;padding-top:20px;
  border-top:1px solid rgba(234,242,236,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,242,236,.6);
}
.footer-bottom a{color:rgba(234,242,236,.6)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-grid .footer-col:last-child{grid-column:span 3}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-actions .btn-cta{display:none}
  .nav-toggle{display:inline-flex}
  .brand-name{font-size:15px}
  .step-track{grid-template-columns:repeat(2,1fr)}
  .step-item::after{display:none}
}
@media (max-width:767.98px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-grid .footer-col:last-child{grid-column:span 2}
  .cta-band{padding:36px 24px}
  .cta-band .btn{width:100%}
  .bento-card{padding:20px}
  .bento-media{margin:-20px -20px 4px}
  .section{padding:clamp(40px,10vw,64px) 0}
}
@media (max-width:575.98px){
  .container-xx{padding:0 16px}
  .site-header{width:calc(100% - 24px);top:10px}
  .brand-name{font-size:14px}
  .brand-mark{width:32px;height:32px;font-size:17px}
  .step-track{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-grid .footer-col:last-child{grid-column:span 1}
  .footer-desc{max-width:none}
  .badge-strip{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .page-hero{border-radius:var(--r-lg)}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E9384;
  --c-primary-800:#0A6F64;
  --c-lime:#B8F14B;
  --c-accent:#FF7A29;
  --c-ink:#0B1412;
  --c-ink-soft:#1B2A26;
  --c-bg:#F4F7F4;
  --c-bg-alt:#EAF2EC;
  --c-card:#FFFFFF;
  --c-muted:#5B6B66;
  --c-line:rgba(11,20,18,.08);
  --c-stroke:rgba(11,20,18,.06);
  --grad-brand:linear-gradient(135deg,#0E9384 0%,#2FC79B 48%,#B8F14B 100%);
  --grad-accent:linear-gradient(135deg,#FF7A29 0%,#FFA45C 100%);
  --r-xs:10px;--r-sm:14px;--r-md:18px;--r-lg:24px;--r-xl:32px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(11,20,18,.04);
  --sh-card:0 10px 30px -14px rgba(11,20,18,.18);
  --sh-hover:0 18px 44px -18px rgba(14,147,132,.35);
  --sh-dark:0 12px 32px -16px rgba(0,0,0,.45);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow Semi Condensed",var(--font-sans);
  --bs-primary:#0E9384;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#0B1412;
  --bs-body-bg:#F4F7F4;
  --bs-border-radius:18px;
  --bs-link-color:#0E9384;
  --bs-link-hover-color:#0A6F64;
  --bs-border-color:rgba(11,20,18,.08);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:16px;line-height:1.75;
  color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-800);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid var(--c-lime);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(184,241,75,.55);color:#0B1412;}

.container-xx{
  width:100%;max-width:1200px;margin:0 auto;
  padding-left:20px;padding-right:20px;
}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:sticky;top:14px;z-index:1030;padding:0;}
.nav-shell{
  width:min(1200px,calc(100% - 32px));
  margin:0 auto;height:68px;
  display:flex;align-items:center;gap:16px;
  padding:0 14px 0 18px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);
  backdrop-filter:blur(16px) saturate(1.4);
  border:1px solid var(--c-stroke);
  border-radius:var(--r-pill);
  box-shadow:0 8px 28px -14px rgba(11,20,18,.22);
  transition:height .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-scrolled .nav-shell{
  height:60px;
  background:rgba(255,255,255,.96);
  box-shadow:0 14px 36px -16px rgba(11,20,18,.32);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:var(--r-xs);
  background-image:var(--grad-brand);
  color:#0B1412;font-weight:800;font-size:19px;
  display:grid;place-items:center;
  font-family:var(--font-num);
  box-shadow:0 6px 16px -8px rgba(14,147,132,.65);
}
.brand-name{
  font-size:17px;font-weight:800;color:var(--c-ink);
  letter-spacing:-.01em;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-ink-soft);
  transition:background .18s ease,color .18s ease;
  white-space:nowrap;
}
.nav-link:hover{background:rgba(14,147,132,.08);color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;
  transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--c-lime);
}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}

.btn-xx{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;min-height:44px;padding:0 28px;
  border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary-xx{
  background-image:var(--grad-accent);
  color:#fff;
  box-shadow:0 10px 24px -12px rgba(255,122,41,.75);
}
.btn-primary-xx:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 18px 44px -18px rgba(255,122,41,.9);
}
.btn-primary-xx:active{transform:translateY(1px);}
.btn-ghost-xx{
  background:#fff;color:var(--c-ink-soft);
  border:1.5px solid var(--c-ink);
}
.btn-ghost-xx:hover{background:rgba(14,147,132,.08);border-color:var(--c-primary);color:var(--c-primary-800);}
.btn-nav{height:42px;min-height:42px;padding:0 20px;}
.btn-block-xx{width:100%;}

.nav-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:44px;height:44px;padding:0;
  background:#fff;border:1px solid rgba(11,20,18,.12);border-radius:var(--r-pill);
  cursor:pointer;transition:border-color .18s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.nav-drawer{
  display:none;
  width:min(1200px,calc(100% - 32px));
  margin:10px auto 0;padding:14px;
  background:#fff;border:1px solid var(--c-stroke);
  border-radius:var(--r-xl);
  box-shadow:0 18px 44px -18px rgba(11,20,18,.35);
}
.nav-drawer.is-open{display:block;}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 16px;
  border-radius:var(--r-md);font-size:15px;font-weight:600;color:var(--c-ink-soft);
  transition:background .18s ease,color .18s ease;
}
.drawer-link:hover{background:rgba(14,147,132,.08);color:var(--c-primary);}
.drawer-link.is-active{background:rgba(14,147,132,.10);color:var(--c-primary);}
.drawer-cta{width:100%;margin-top:10px;}

/* ============ 面包屑 ============ */
.breadcrumb-xx{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-muted);
  padding:18px 0 0;
}
.breadcrumb-xx a{color:var(--c-muted);}
.breadcrumb-xx a:hover{color:var(--c-primary);}
.breadcrumb-xx .sep{opacity:.45;}
.breadcrumb-xx .current{color:var(--c-ink);font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  margin-top:18px;
  min-height:280px;
  border-radius:var(--r-xl);
  background:#0B1412;
  color:#EAF2EC;
  display:flex;align-items:center;
  padding:clamp(40px,6vw,64px) 0;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.24;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(60% 80% at 12% 18%, rgba(14,147,132,.32), transparent 62%),
    radial-gradient(50% 70% at 88% 92%, rgba(184,241,75,.14), transparent 66%),
    linear-gradient(118deg, rgba(11,20,18,.94) 0%, rgba(11,20,18,.62) 58%, rgba(11,20,18,.88) 100%);
}
.cat-hero .container-xx{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;margin-bottom:16px;
  border-radius:var(--r-pill);
  background:rgba(184,241,75,.16);
  border:1px solid rgba(184,241,75,.4);
  color:#D8FF9A;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-lime);}
.cat-hero h1{
  font-size:clamp(26px,4vw,42px);
  line-height:1.2;font-weight:800;letter-spacing:-.02em;
  color:#FFFFFF;max-width:900px;
}
.cat-hero h1 em{font-style:normal;color:var(--c-lime);}
.cat-hero .hero-lead{
  margin-top:16px;max-width:660px;
  font-size:15px;line-height:1.8;
  color:rgba(234,242,236,.76);
}

/* ============ 板块 ============ */
.section{padding:clamp(40px,5.5vw,76px) 0;}
.section-head{margin-bottom:28px;}
.section-head h2{
  font-size:clamp(24px,3.2vw,36px);line-height:1.2;font-weight:800;
  letter-spacing:-.01em;color:var(--c-ink);
}
.section-head p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--c-muted);max-width:680px;}

/* 快速定位胶囊 */
.quick-nav{
  display:flex;gap:10px;overflow-x:auto;
  padding:4px 2px 12px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.quick-nav::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 18px;
  border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-stroke);
  box-shadow:var(--sh-1);
  font-size:14px;font-weight:600;color:var(--c-ink-soft);
  transition:transform .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip i{color:var(--c-primary);font-size:13px;}
.chip:hover{transform:translateY(-2px);border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-hover);}

/* 数据徽章 */
.badge-xx{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:13px;font-weight:700;line-height:1;
  font-variant-numeric:tabular-nums;
}
.badge-xx::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7;flex:0 0 6px;}
.badge-lime{background:var(--c-lime);color:#0B1412;}
.badge-soft{background:rgba(14,147,132,.10);color:var(--c-primary-800);}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ FAQ ============ */
.faq-group{scroll-margin-top:110px;margin-bottom:34px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-title{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(19px,2vw,24px);line-height:1.3;font-weight:700;
  color:var(--c-ink);margin-bottom:14px;
}
.group-index{
  font-family:var(--font-num);
  font-size:20px;font-weight:800;color:var(--c-primary);
  background:rgba(14,147,132,.10);
  border-radius:var(--r-xs);
  width:42px;height:42px;flex:0 0 42px;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.faq-item{
  position:relative;
  background:#fff;
  border:1px solid var(--c-stroke);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:rgba(14,147,132,.28);}
.faq-item.is-open{box-shadow:var(--sh-card);}
.faq-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:3px;background:var(--c-lime);
  opacity:0;transition:opacity .22s ease;
}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:14px 20px;
  background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;line-height:1.55;color:var(--c-ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;
  border-radius:50%;border:1.5px solid rgba(14,147,132,.5);
  transition:border-color .18s ease,background .18s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  background:var(--c-primary);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item.is-open .faq-icon{background:rgba(14,147,132,.08);border-color:var(--c-primary);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-muted);}
.faq-a-inner p{margin:0;}

/* ============ 侧栏卡片 ============ */
.side-stack{display:flex;flex-direction:column;gap:22px;}
.form-card{
  background:#fff;border:1px solid var(--c-stroke);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);
  padding:28px;
}
.form-card h2{
  font-size:clamp(19px,2vw,24px);font-weight:700;line-height:1.3;color:var(--c-ink);
  margin-bottom:8px;
}
.form-card .form-intro{font-size:14px;line-height:1.7;color:var(--c-muted);margin-bottom:20px;}
.field{margin-bottom:18px;}
.form-label{
  display:block;font-size:13px;font-weight:600;color:var(--c-primary-800);
  margin-bottom:8px;
}
.form-control,.form-select{
  display:block;width:100%;height:48px;
  padding:0 16px;
  background:#fff;
  border:1px solid rgba(11,20,18,.12);
  border-radius:var(--r-md);
  font-size:15px;color:var(--c-ink);
  transition:border-color .18s ease,box-shadow .18s ease;
  appearance:none;
}
.form-select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235B6B66'%3E%3Cpath d='M8 11.5 2.5 5.9l1.1-1.1L8 9.3l4.4-4.5 1.1 1.1z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  background-size:14px;
  padding-right:42px;
}
textarea.form-control{
  height:auto;min-height:124px;
  padding:12px 16px;line-height:1.7;resize:vertical;
}
.form-control:focus,.form-select:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(14,147,132,.14);
}
.form-control::placeholder,textarea.form-control::placeholder{color:#9AA8A3;}
.form-tip{
  margin-top:12px;font-size:13px;line-height:1.65;color:var(--c-muted);
  display:flex;gap:8px;align-items:flex-start;
}
.form-tip i{color:var(--c-primary);margin-top:4px;}
.form-alert{
  display:flex;gap:10px;align-items:center;
  padding:12px 16px;margin-bottom:18px;
  background:rgba(14,147,132,.10);
  border:1px solid rgba(14,147,132,.24);
  border-radius:var(--r-md);
  font-size:14px;font-weight:600;color:var(--c-primary-800);
}
.form-alert i{color:var(--c-primary);}

.help-card{
  background:#fff;border:1px solid var(--c-stroke);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.help-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.help-cover{width:100%;aspect-ratio:16/10;object-fit:cover;}
.help-body{padding:24px;}
.help-body h3{font-size:17px;font-weight:700;line-height:1.4;color:var(--c-ink);margin-bottom:10px;}
.help-body p{font-size:14px;line-height:1.7;color:var(--c-muted);margin-bottom:8px;}
.help-body .badge-row{margin-top:16px;}

/* 备注卡 */
.note-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-bg-alt);
  border:1px solid rgba(14,147,132,.14);
  border-radius:var(--r-lg);
  padding:24px 26px;
  margin-top:8px;
}
.note-icon{
  flex:0 0 44px;width:44px;height:44px;
  border-radius:var(--r-xs);
  background:#fff;border:1.5px solid rgba(14,147,132,.4);
  display:grid;place-items:center;
  color:var(--c-primary);font-size:18px;
}
.note-card h3{font-size:16px;font-weight:700;color:var(--c-ink);margin-bottom:6px;}
.note-card p{font-size:14px;line-height:1.75;color:var(--c-muted);}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background-image:var(--grad-brand);
  border-radius:var(--r-xl);
  padding:clamp(40px,6vw,64px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.22);
  filter:blur(6px);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{
  font-size:clamp(24px,3.2vw,36px);line-height:1.2;font-weight:800;
  color:#08120F;letter-spacing:-.01em;margin-bottom:10px;
}
.cta-band p{font-size:15px;line-height:1.75;color:rgba(8,18,15,.78);max-width:560px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  padding-top:clamp(48px,6vw,72px);
  background:#0B1412;color:#EAF2EC;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:var(--c-lime);opacity:.35;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px;
  padding-bottom:40px;
}
.footer-col h4{font-size:14px;font-weight:700;color:var(--c-lime);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  display:inline-block;font-size:14px;
  color:rgba(234,242,236,.72);
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-name{color:#fff;font-weight:800;font-size:16px;white-space:nowrap;}
.footer-desc{margin:0;font-size:14px;line-height:1.75;color:rgba(234,242,236,.72);max-width:330px;}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:1.72;color:rgba(234,242,236,.72);
}
.footer-contact i{color:var(--c-primary);margin-top:5px;flex:0 0 auto;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid rgba(234,242,236,.12);
  padding:18px 0 26px;
  font-size:13px;color:rgba(234,242,236,.6);
}
.footer-bottom a{color:rgba(234,242,236,.75);}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-actions .btn-nav{display:none;}
  .nav-toggle{display:flex;}
  .brand-name{font-size:15px;}
  .cat-hero{min-height:240px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .side-stack{margin-top:8px;}
}
@media (max-width:767.98px){
  .section{padding:clamp(36px,8vw,56px) 0;}
  .form-card{padding:22px;}
  .faq-q{min-height:56px;padding:12px 16px;font-size:15px;}
  .faq-a-inner{padding:0 16px 18px;}
  .help-body{padding:20px;}
  .note-card{padding:20px;flex-direction:column;gap:12px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band .btn-xx{width:100%;}
}
@media (max-width:575.98px){
  .container-xx{padding-left:16px;padding-right:16px;}
  .nav-shell{width:calc(100% - 24px);padding:0 10px 0 12px;gap:10px;}
  .nav-drawer{width:calc(100% - 24px);}
  .brand-name{font-size:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .group-index{width:38px;height:38px;flex:0 0 38px;font-size:17px;}
  .form-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}