/* roulang page: index */
:root{
  --c-primary:#0E6E5C;
  --c-primary-dark:#0A4E42;
  --c-primary-mid:#17A583;
  --c-primary-light:#E7F4EF;
  --c-accent:#FF7A2F;
  --c-amber:#F4C64D;
  --c-bg:#F7F6F2;
  --c-bg-soft:#EFF4F1;
  --c-dark:#0B2621;
  --c-card:#FFFFFF;
  --c-text:#12211E;
  --c-text-2:#5C6B66;
  --c-text-3:#93A19C;
  --c-border:#E2E6E2;
  --grad-brand:linear-gradient(120deg,#0E6E5C 0%,#17A583 55%,#7BD8B0 100%);
  --grad-accent:linear-gradient(120deg,#FF7A2F 0%,#FFB35C 100%);
  --radius-card:28px;
  --radius-mid:20px;
  --radius-smc:14px;
  --shadow-card:0 2px 8px rgba(12,40,34,.06);
  --shadow-hover:0 18px 40px -18px rgba(12,40,34,.28);
  --shadow-dark:0 10px 30px -12px rgba(0,0,0,.45);
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;font-family:var(--font-stack);background:var(--c-bg);color:var(--c-text);
  font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  padding-bottom:88px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--c-text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1280px){.container{padding:0 32px;}}
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:100px 0;}}
.section-soft{background:var(--c-bg-soft);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:var(--c-primary-light);color:var(--c-primary);font-size:13px;font-weight:600;letter-spacing:.02em;}
.eyebrow-dot{width:8px;height:8px;border-radius:50%;background-image:var(--grad-accent);flex:none;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
@media(min-width:1024px){.section-head{margin-bottom:48px;}}
.h2-title{font-size:clamp(24px,3.4vw,34px);font-weight:700;line-height:1.3;}
.h2-title::before{content:"";display:inline-block;width:6px;height:22px;border-radius:4px;
  background-image:var(--grad-brand);margin-right:12px;vertical-align:-2px;}
.section-sub{color:var(--c-text-2);font-size:15px;margin-top:10px;max-width:640px;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;}
.text-link svg{transition:transform .22s ease;}
.text-link:hover{color:var(--c-accent);}
.text-link:hover svg{transform:translateX(4px);}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:var(--c-primary-light);
  color:var(--c-primary);font-size:13px;font-weight:600;line-height:1.7;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;
  border-radius:var(--radius-smc);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .3s ease,color .2s ease;white-space:nowrap;line-height:1;}
.btn:active{transform:translateY(1px);filter:brightness(.96);}
.btn-primary{background-image:var(--grad-brand);background-size:170% 100%;background-position:0 0;color:#fff;
  box-shadow:0 10px 24px -12px rgba(14,110,92,.75);}
.btn-primary:hover{background-position:100% 0;box-shadow:0 16px 34px -14px rgba(14,110,92,.9);transform:translateY(-2px);color:#fff;}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-light);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--c-primary);box-shadow:0 10px 26px -14px rgba(0,0,0,.5);}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(0,0,0,.55);}
.btn-outline-white{background:transparent;border-color:rgba(255,255,255,.65);color:#fff;}
.btn-outline-white:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);color:#fff;}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.badge{display:inline-flex;flex-direction:column;gap:2px;padding:12px 20px;border-radius:999px;
  background:#fff;border:1px solid rgba(14,110,92,.2);box-shadow:var(--shadow-card);}
.badge-num{font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.15;}
.badge-label{font-size:13px;color:var(--c-text-2);line-height:1.5;}
.badge-accent{background:linear-gradient(120deg,rgba(255,122,47,.12),rgba(255,179,92,.13));
  border-color:rgba(255,122,47,.42);}
.badge-accent .badge-num{color:var(--c-accent);}
.card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,110,92,.25);}
.icon-chip{width:48px;height:48px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-light);color:var(--c-primary);flex:none;transition:background .3s ease,color .3s ease;}
.card:hover .icon-chip{background-image:var(--grad-brand);color:#fff;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;height:76px;background:rgba(247,246,242,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:height .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;}
.site-header.is-scrolled{height:64px;background:#fff;border-bottom:1px solid var(--c-border);
  box-shadow:0 6px 22px -14px rgba(12,40,34,.4);}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:38px;height:38px;border-radius:12px;background-image:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;letter-spacing:.02em;
  box-shadow:0 8px 18px -10px rgba(14,110,92,.9);}
.brand-text{font-size:18px;font-weight:800;color:var(--c-text);letter-spacing:.01em;}
.brand-text em{font-style:normal;color:var(--c-primary);}
.main-nav{display:none;align-items:center;gap:26px;}
@media(min-width:1024px){.main-nav{display:flex;}}
.nav-link{position:relative;padding:8px 2px;font-size:15px;font-weight:500;color:var(--c-text-2);}
.nav-link::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:3px;border-radius:3px;
  background-image:var(--grad-brand);transform:translateX(-50%);transition:width .25s ease;}
.nav-link:hover::after,.nav-link.is-active::after{width:100%;}
.nav-link:hover,.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link-pill{background:var(--c-primary-light);color:var(--c-primary);border-radius:999px;padding:8px 16px;font-weight:600;}
.nav-link-pill::after{display:none;}
.nav-link-pill:hover{background:#D6EDE4;}
.nav-link-pill.is-active{background-image:var(--grad-brand);color:#fff;}
.header-actions{display:none;align-items:center;gap:12px;}
@media(min-width:1024px){.header-actions{display:flex;}}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-border);background:#fff;color:var(--c-text);cursor:pointer;}
@media(min-width:1024px){.nav-toggle{display:none;}}
.nav-toggle:active{transform:translateY(1px);}
.drawer{position:fixed;inset:0;background:var(--c-dark);z-index:120;display:flex;flex-direction:column;
  padding:24px;transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform .32s ease,opacity .28s ease;}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:transparent;
  color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:40px;}
.drawer-nav a{color:#fff;font-size:18px;font-weight:600;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.1);}
.drawer-nav a:hover{color:#7BD8B0;}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-bottom:16px;}
.drawer-foot .btn{width:100%;}
.drawer-brand .brand-text{color:#fff;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:52px 0 64px;}
@media(min-width:1024px){.hero{padding:86px 0 104px;}}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.14;}
.hero::after{content:"";position:absolute;top:-200px;right:-140px;width:660px;height:660px;pointer-events:none;
  background:radial-gradient(circle at center,rgba(23,165,131,.38),rgba(123,216,176,0) 68%);}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:44px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:1fr 1fr;gap:56px;}}
.hero h1{font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.22;margin:20px 0 18px;}
.hero h1 .grad{background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:clamp(16px,1.6vw,18px);color:var(--c-text-2);line-height:1.9;max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:32px;margin-top:38px;padding-top:26px;border-top:1px solid var(--c-border);}
.hero-metric{min-width:96px;}
.hero-metric b{display:block;font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-metric span{font-size:13px;color:var(--c-text-2);}
.hero-visual{position:relative;}
.hero-photo{border-radius:var(--radius-card);overflow:hidden;box-shadow:0 30px 60px -30px rgba(12,40,34,.5);
  border:1px solid var(--c-border);background:var(--c-bg-soft);}
.hero-photo img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-badge{position:absolute;background:rgba(255,255,255,.82);backdrop-filter:blur(8px);
  border:1px solid rgba(14,110,92,.18);border-radius:999px;padding:12px 18px;box-shadow:0 16px 34px -18px rgba(12,40,34,.5);}
.hero-badge b{display:block;font-size:20px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-badge span{font-size:12px;color:var(--c-text-2);}
.hero-badge-a{top:18px;left:-14px;}
.hero-badge-b{bottom:22px;right:-12px;}
@media(max-width:1023px){
  .hero-badge{position:static;display:inline-flex;align-items:center;gap:10px;border-radius:var(--radius-mid);
    margin-top:14px;padding:12px 16px;}
  .hero-badge b{display:inline;font-size:18px;margin-right:6px;}
  .hero-badge span{display:inline;font-size:13px;}
  .hero-badge+.hero-badge{margin-left:12px;}
}

/* ---------- strengths ---------- */
.strength-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:1024px){.strength-grid{grid-template-columns:repeat(12,1fr);gap:24px;}}
.strength-main{padding:0;overflow:hidden;display:flex;flex-direction:column;}
@media(min-width:1024px){.strength-main{grid-column:span 6;}}
.strength-main img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.strength-main-body{padding:22px 24px 26px;}
.strength-side{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:1024px){.strength-side{grid-column:span 6;gap:24px;}}
.strength-mini{padding:26px 24px;display:flex;flex-direction:column;gap:14px;}
.strength-mini h3,.strength-main h3{font-size:20px;font-weight:700;}
.strength-mini p,.strength-main p{font-size:15px;color:var(--c-text-2);line-height:1.9;}

/* ---------- scenario tabs ---------- */
.scene-tabs{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.scene-tab{padding:10px 20px;border-radius:999px;border:1px solid rgba(14,110,92,.22);background:#fff;
  color:var(--c-text-2);font-size:14px;font-weight:600;cursor:pointer;transition:all .25s ease;}
.scene-tab:hover{border-color:var(--c-primary);color:var(--c-primary);}
.scene-tab.is-active{background-image:var(--grad-brand);color:#fff;border-color:transparent;
  box-shadow:0 10px 24px -12px rgba(14,110,92,.8);}
.scene-panel{display:none;}
.scene-panel.is-active{display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
@media(min-width:1024px){.scene-panel.is-active{grid-template-columns:1fr 1fr;gap:52px;}}
.scene-panel img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-card);}
.scene-panel h3{font-size:22px;font-weight:700;margin-bottom:12px;}
.scene-panel p{color:var(--c-text-2);font-size:15px;line-height:1.95;}
.check-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-text);}
.check-list svg{flex:none;margin-top:5px;color:var(--c-primary);}

/* ---------- social proof ---------- */
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media(min-width:768px){.stat-row{grid-template-columns:repeat(4,1fr);gap:20px;}}
.stat-item{border-radius:999px;padding:18px 20px;text-align:center;background:linear-gradient(120deg,rgba(14,110,92,.10),rgba(123,216,176,.12));
  border:1px solid rgba(14,110,92,.22);}
.stat-item b{display:block;font-size:clamp(30px,4.6vw,48px);font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.1;}
.stat-item span{display:block;font-size:13px;color:var(--c-text-2);margin-top:4px;}
.quote-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:36px;}
@media(min-width:768px){.quote-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.quote-card{padding:26px 24px;display:flex;flex-direction:column;gap:16px;border-radius:var(--radius-mid);}
.quote-mark{font-size:34px;font-weight:800;line-height:1;color:rgba(14,110,92,.28);font-family:Georgia,serif;}
.quote-card p{font-size:15px;color:var(--c-text-2);line-height:1.9;}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{width:42px;height:42px;border-radius:50%;background-image:var(--grad-brand);color:#fff;font-size:15px;
  font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;}
.quote-person b{display:block;font-size:14px;font-weight:600;}
.quote-person span{display:block;font-size:12px;color:var(--c-text-3);}
.logo-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:40px;}
@media(min-width:768px){.logo-wall{grid-template-columns:repeat(6,1fr);gap:18px;}}
.logo-cell{height:64px;border-radius:var(--radius-smc);border:1px solid var(--c-border);background:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:var(--c-text-3);
  transition:color .25s ease,border-color .25s ease,transform .25s ease;}
.logo-cell:hover{color:var(--c-primary);border-color:rgba(14,110,92,.35);transform:translateY(-2px);}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:26px;}}
.news-card{display:flex;flex-direction:column;overflow:hidden;padding:0;border-radius:var(--radius-mid);}
.news-card__media{overflow:hidden;background:var(--c-bg-soft);}
.news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card__title{font-size:18px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.news-card:hover .news-card__title{color:var(--c-primary);}
.news-card__desc{font-size:14px;color:var(--c-text-3);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;
  -webkit-box-orient:vertical;overflow:hidden;}
.news-card__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;
  padding-top:14px;border-top:1px solid var(--c-border);font-size:13px;color:var(--c-text-3);}
.news-card__meta .read{display:inline-flex;align-items:center;gap:4px;color:var(--c-primary);font-weight:600;}
.empty-state{max-width:420px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;padding:36px 20px;}
.empty-icon{width:64px;height:64px;border-radius:50%;background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;}
.empty-state p{color:var(--c-text-2);font-size:15px;}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--c-border);}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 4px;
  background:transparent;border:0;text-align:left;cursor:pointer;font-size:16px;font-weight:600;color:var(--c-text);
  transition:color .2s ease;}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{flex:none;width:26px;height:26px;border-radius:50%;background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;transition:transform .3s ease,background .3s ease,color .3s ease;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background-image:var(--grad-brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a-inner{padding:0 4px 24px 20px;border-left:3px solid var(--c-primary);font-size:15px;color:var(--c-text-2);line-height:1.9;}

/* ---------- CTA ---------- */
.cta-card{position:relative;overflow:hidden;border-radius:32px;padding:52px 28px;text-align:center;
  background-image:linear-gradient(120deg,rgba(10,78,66,.94),rgba(14,110,92,.82)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;box-shadow:var(--shadow-dark);}
@media(min-width:768px){.cta-card{padding:72px 48px;}}
.cta-card h2{font-size:clamp(24px,3.4vw,34px);color:#fff;font-weight:800;line-height:1.3;}
.cta-card p{color:rgba(255,255,255,.82);font-size:16px;margin-top:14px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px;}
.cta-note{margin-top:22px;font-size:14px;color:rgba(255,255,255,.65);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);border-radius:28px 28px 0 0;margin-top:20px;}
.footer-main{padding:56px 0 40px;}
@media(min-width:1024px){.footer-main{padding:72px 0 48px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:40px;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:48px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:300px;}
.footer-contact{margin-top:18px;font-size:14px;line-height:2;color:rgba(255,255,255,.6);}
.footer-contact b{color:#fff;font-weight:600;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.6);}
.footer-links a:hover{color:#7BD8B0;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;font-size:13px;
  color:rgba(255,255,255,.55);display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:#7BD8B0;}

/* ---------- fixed convert bar ---------- */
.convert-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;border-top:1px solid var(--c-border);
  box-shadow:0 -8px 26px -14px rgba(12,40,34,.35);display:flex;align-items:center;gap:12px;padding:10px 16px;
  transition:transform .3s ease,opacity .3s ease;}
.convert-text{flex:1;font-size:13px;color:var(--c-text-2);line-height:1.4;}
.convert-bar .btn{height:44px;padding:0 16px;font-size:14px;flex:none;}
.convert-bar.is-hidden{transform:translateY(120%);opacity:0;}
@media(min-width:1024px){
  .convert-bar{left:auto;right:32px;bottom:28px;border:1px solid var(--c-border);border-radius:999px;
    padding:10px 12px 10px 22px;box-shadow:0 20px 44px -20px rgba(12,40,34,.55);gap:16px;}
  .convert-text{flex:none;font-size:14px;color:var(--c-text);font-weight:600;}
  .convert-bar.is-hidden{transform:translateY(140%);}
}
.to-top{position:fixed;right:20px;bottom:96px;width:46px;height:46px;border-radius:50%;background:#fff;
  border:1px solid var(--c-border);color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  cursor:pointer;box-shadow:var(--shadow-card);opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;z-index:85;}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
@media(min-width:1024px){.to-top{bottom:104px;right:36px;}}
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;text-align:left;}
.form-field label{font-size:14px;font-weight:600;color:var(--c-text);}
.form-field .req{color:var(--c-accent);}
.form-field input,.form-field textarea{height:46px;border:1px solid var(--c-border);border-radius:12px;
  padding:0 14px;background:#fff;color:var(--c-text);transition:border-color .2s ease,box-shadow .2s ease;}
.form-field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(14,110,92,.15);}
.form-note{font-size:13px;color:var(--c-text-3);}

/* roulang page: article */
:root{
  --c-primary:#0E6E5C;
  --c-primary-dark:#0A4E42;
  --c-primary-light:#E7F4EF;
  --c-accent:#FF7A2F;
  --c-amber:#F4C64D;
  --bg-page:#F7F6F2;
  --bg-card:#FFFFFF;
  --bg-section:#EFF4F1;
  --bg-dark:#0B2621;
  --text-main:#12211E;
  --text-sub:#5C6B66;
  --text-weak:#93A19C;
  --border:#E2E6E2;
  --border-dark:rgba(255,255,255,.12);
  --grad-brand:linear-gradient(120deg,#0E6E5C 0%,#17A583 55%,#7BD8B0 100%);
  --grad-accent:linear-gradient(120deg,#FF7A2F 0%,#FFB35C 100%);
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-card:0 2px 8px rgba(12,40,34,.06);
  --shadow-hover:0 18px 40px -18px rgba(12,40,34,.28);
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--text-main);
  background:var(--bg-page);
  padding-bottom:92px;
  overflow-x:hidden;
}
@media(min-width:1024px){body{padding-bottom:56px}}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;background:none;border:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1280px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid rgba(14,110,92,.2);
  color:var(--c-primary);font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:var(--radius-pill);
  box-shadow:var(--shadow-card);
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background-image:var(--grad-brand);background-size:170% 100%;background-position:0 0;
  color:#fff;box-shadow:0 12px 26px -16px rgba(14,110,92,.85);
}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(14,110,92,.85)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:var(--c-primary-light);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-white{background:#fff;color:var(--c-primary);box-shadow:0 12px 26px -16px rgba(0,0,0,.5)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(0,0,0,.55)}
.btn-outline-white{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn-outline-white:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--border);box-shadow:0 2px 8px rgba(12,40,34,.06)}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .2s ease}
.site-header.is-stuck .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 10px 20px -12px rgba(14,110,92,.9);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.2px;color:var(--text-main)}
.brand-text em{font-style:normal;color:var(--c-primary)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;color:var(--text-sub);
  border-radius:var(--radius-sm);transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:24px;height:3px;border-radius:var(--radius-pill);
  background:var(--grad-brand);transform:translateX(-50%) scaleX(0);transform-origin:center;transition:transform .25s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-light)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{transform:translateX(-50%) scaleX(1)}
.nav-link-pill{background:var(--c-primary-light);color:var(--c-primary);font-weight:600;border-radius:var(--radius-pill);padding:10px 18px}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  display:none;margin-left:auto;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid var(--border);
  color:var(--c-primary);background:#fff;cursor:pointer;transition:background .2s ease;
}
.nav-toggle:hover{background:var(--c-primary-light)}
.mobile-nav{
  position:fixed;inset:0;z-index:90;background:var(--bg-dark);color:#fff;
  padding:22px 20px 28px;display:flex;flex-direction:column;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.mobile-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-nav-head{display:flex;align-items:center;justify-content:space-between}
.mobile-close{
  width:42px;height:42px;border-radius:var(--radius-pill);border:1px solid var(--border-dark);
  color:#fff;font-size:22px;line-height:1;cursor:pointer;transition:background .2s ease;
}
.mobile-close:hover{background:rgba(255,255,255,.12)}
.mobile-links{display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--border-dark);padding-top:18px}
.mobile-links a{padding:14px 4px;font-size:17px;color:rgba(255,255,255,.86);border-bottom:1px solid var(--border-dark);transition:color .2s ease}
.mobile-links a:hover{color:#7BD8B0}
.mobile-nav .btn{margin-top:auto}
@media(max-width:1023px){
  .main-nav{display:none}
  .header-actions{display:none}
  .nav-toggle{display:inline-flex}
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 6px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-weak)}
.breadcrumb a{color:var(--text-weak);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#C6CFCB}
.breadcrumb .current{color:var(--text-weak)}

/* ---------- 文章头 ---------- */
.article-head{padding:10px 0 28px;border-bottom:1px solid var(--border)}
.article-tag{
  display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-light);color:var(--c-primary);
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);
}
.article-head h1{
  font-size:clamp(28px,4.4vw,46px);line-height:1.28;font-weight:800;letter-spacing:-.5px;
  margin:16px 0 16px;max-width:920px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:13.5px;color:var(--text-sub)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{color:var(--c-primary);flex-shrink:0}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:40px 0 8px}
@media(min-width:1280px){.article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:56px;align-items:start}}
.article-body{max-width:760px;font-size:17px;line-height:1.95;color:#1B2A26}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.4;
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:20px;border-radius:2px;background:var(--grad-brand);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:28px 0 12px}
.article-body p{margin:0 0 20px}
.article-body ul{margin:0 0 20px}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:3px;top:.75em;width:7px;height:7px;border-radius:50%;background:var(--c-primary);
}
.article-body ol{counter-reset:li;margin:0 0 20px}
.article-body ol li{position:relative;counter-increment:li;padding-left:30px;margin-bottom:10px}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.1em;color:var(--c-primary);font-weight:700;
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:var(--bg-section);
  border-left:4px solid var(--c-primary);border-radius:var(--radius-md);color:var(--text-sub);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-md);margin:26px auto;width:100%}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13px;color:var(--text-weak);text-align:center;margin-top:10px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;transition:color .2s ease}
.article-body a:hover{color:var(--c-accent)}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:26px 0;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-section);font-weight:600}
.article-body pre{
  background:var(--bg-dark);color:#E4F1EC;padding:18px 20px;border-radius:16px;
  font-size:14px;line-height:1.7;overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.93em}
.article-body pre code{color:inherit}
.article-body hr{border:0;border-top:1px solid var(--border);margin:36px 0}

.empty-state{
  max-width:420px;margin:0 auto;padding:56px 24px;text-align:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
}
.empty-state .empty-icon{
  width:60px;height:60px;margin:0 auto 16px;border-radius:50%;background:var(--c-primary-light);
  display:grid;place-items:center;color:var(--c-primary);
}
.empty-state p{margin:0 0 18px;color:var(--text-sub);font-size:15px}

/* ---------- 目录 ---------- */
.toc{display:none}
@media(min-width:1280px){.toc{display:block}}
.toc-inner{position:sticky;top:96px}
.toc-title{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--text-weak);margin:0 0 12px}
.toc a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--text-weak);
  padding:7px 0 7px 12px;border-left:2px solid var(--border);transition:color .2s ease,border-color .2s ease;
}
.toc a:hover{color:var(--c-primary);border-left-color:var(--c-primary)}
.toc a.is-current{color:var(--c-primary);border-left-color:var(--c-primary);font-weight:600}

/* ---------- 文末 ---------- */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--border);max-width:760px}
.foot-label{font-size:13px;color:var(--text-weak);margin:0 0 10px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{
  display:inline-flex;align-items:center;background:var(--c-primary-light);color:var(--c-primary);
  font-size:13px;padding:5px 12px;border-radius:var(--radius-pill);transition:transform .2s ease;
}
.tag:hover{transform:translateY(-2px)}
.back-list{margin:0 0 40px}
.related-wrap{padding:8px 0 0}
.related-grid{display:grid;grid-template-columns:1fr;gap:22px;margin-top:20px}
@media(min-width:640px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,110,92,.28)}
.post-thumb{position:relative;aspect-ratio:16/9;background:var(--bg-section);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:0;transition:color .2s ease}
.post-card:hover .post-body h3{color:var(--c-primary)}
.post-body p{margin:0;font-size:14.5px;color:var(--text-sub);line-height:1.8}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-weak)}

/* ---------- 底部 CTA ---------- */
.cta-wrap{padding:64px 0}
@media(min-width:1024px){.cta-wrap{padding:96px 0}}
.cta-card{
  position:relative;overflow:hidden;border-radius:30px;
  background-image:var(--grad-brand);color:#fff;
  box-shadow:0 28px 60px -30px rgba(10,78,66,.7);
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.28;mix-blend-mode:multiply;
}
.cta-inner{position:relative;z-index:2;padding:46px 24px;max-width:760px}
@media(min-width:768px){.cta-inner{padding:60px 56px}}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;margin:0 0 12px}
.cta-inner p{margin:0 0 26px;font-size:16px;color:rgba(255,255,255,.9);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.cta-note{font-size:13.5px;color:rgba(255,255,255,.78)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-dark);color:rgba(255,255,255,.78);
  border-radius:28px 28px 0 0;margin-top:24px;padding-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:40px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin:0 0 18px;max-width:340px}
.footer-contact{font-size:14px;line-height:2;color:rgba(255,255,255,.6)}
.footer-contact b{color:#fff;font-weight:600}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin:0 0 14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease}
.footer-links a:hover{color:#7BD8B0}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 0 26px;border-top:1px solid var(--border-dark);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 底部转化条 ---------- */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--border);
  transition:opacity .3s ease,transform .3s ease;
}
.bottom-bar.is-hidden{opacity:0;transform:translateY(14px);pointer-events:none}
.bottom-tip{font-size:13.5px;color:var(--text-sub);font-weight:600}
.bottom-actions{display:flex;align-items:center;gap:10px}
@media(min-width:1024px){
  .bottom-bar{
    left:auto;right:32px;bottom:26px;border:1px solid var(--border);border-radius:var(--radius-pill);
    padding:10px 12px 10px 22px;box-shadow:0 18px 40px -18px rgba(12,40,34,.34);
  }
}
.back-top{
  position:fixed;right:16px;bottom:96px;z-index:65;
  width:44px;height:44px;border-radius:var(--radius-pill);border:1px solid var(--border);
  background:#fff;color:var(--c-primary);display:grid;place-items:center;cursor:pointer;
  box-shadow:var(--shadow-card);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .2s ease;
}
.back-top.is-show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
@media(min-width:1024px){.back-top{right:36px;bottom:104px}}

/* roulang page: category1 */
:root{
  --c-primary:#0E6E5C;
  --c-primary-900:#0A4E42;
  --c-primary-50:#E7F4EF;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFB35C;
  --c-amber:#F4C64D;
  --bg-page:#F7F6F2;
  --bg-card:#FFFFFF;
  --bg-soft:#EFF4F1;
  --bg-dark:#0B2621;
  --t-1:#12211E;
  --t-2:#5C6B66;
  --t-3:#93A19C;
  --line:#E2E6E2;
  --grad-brand:linear-gradient(120deg,#0E6E5C 0%,#17A583 55%,#7BD8B0 100%);
  --grad-accent:linear-gradient(120deg,#FF7A2F 0%,#FFB35C 100%);
  --radius-card:26px;
  --radius-md:20px;
  --radius-btn:13px;
  --shadow-card:0 2px 8px rgba(12,40,34,.06);
  --shadow-lift:0 18px 40px -18px rgba(12,40,34,.28);
  --shadow-dark:0 10px 30px -12px rgba(0,0,0,.45);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--t-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  padding-bottom:88px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
[id]{scroll-margin-top:100px}

:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:12px 22px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 16px;font-size:14px;height:44px}
.btn-primary{
  background-image:var(--grad-brand);
  background-size:170% 100%;background-position:0% 50%;
  color:#fff;
  box-shadow:0 10px 24px -12px rgba(14,110,92,.85);
}
.btn-primary:hover{background-position:100% 50%;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(14,110,92,.9)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost{background:transparent;border-color:rgba(14,110,92,.45);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-50);border-color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px);filter:brightness(.97)}
.btn-white{background:#fff;color:var(--c-primary-900);box-shadow:0 10px 24px -14px rgba(0,0,0,.4)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 32px -14px rgba(0,0,0,.5)}
.btn-white:active{transform:translateY(1px)}
.btn-outline-white{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline-white:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-weight:600;font-size:15px;
  border-bottom:1px solid transparent;transition:color .2s,gap .2s,border-color .2s;
}
.text-link svg{transition:transform .2s}
.text-link:hover{color:var(--c-accent);gap:10px}
.text-link:hover svg{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 2px 8px rgba(12,40,34,.06)}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:64px}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background-image:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 8px 18px -10px rgba(14,110,92,.9);
}
.brand-text{font-size:20px;font-weight:800;letter-spacing:.4px;color:var(--t-1)}
.brand-text em{font-style:normal;color:var(--c-primary)}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:15px;color:var(--t-2);transition:color .18s,background .18s;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:3px;height:3px;width:0;
  border-radius:999px;background-image:var(--grad-brand);
  transform:translateX(-50%);transition:width .24s ease;
}
.nav-link:hover{color:var(--t-1);background:var(--c-primary-50)}
.nav-link:hover::after{width:22px}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{width:22px}
.nav-link-pill{background:var(--c-primary-50);color:var(--c-primary);font-weight:600;border-radius:999px}
.nav-link-pill:hover{background:#D6EBE3;color:var(--c-primary-900)}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

.nav-toggle{
  display:none;width:44px;height:44px;flex-shrink:0;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  color:var(--t-1);cursor:pointer;place-items:center;
  transition:background .18s,border-color .18s;
}
.nav-toggle:hover{background:var(--c-primary-50);border-color:rgba(14,110,92,.35)}

@media(max-width:1023px){
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:grid;margin-left:auto}
}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--bg-dark);
  display:flex;flex-direction:column;
  padding:24px 22px 28px;
  transform:translateY(-102%);
  visibility:hidden;
  transition:transform .3s ease,visibility .3s;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer-close{
  margin-left:auto;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:22px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.16)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:22px 0}
.drawer-nav a{
  color:rgba(255,255,255,.78);font-size:17px;font-weight:600;
  padding:14px 12px;border-radius:12px;transition:background .18s,color .18s;
}
.drawer-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.drawer-nav a.is-active{color:#7BD8B0;background:rgba(123,216,176,.12)}
.drawer-cta{margin-top:auto;width:100%;height:52px;font-size:16px}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--t-3);padding:22px 0 6px;
}
.breadcrumb a{color:var(--t-2);transition:color .18s}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .current{color:var(--t-3)}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;
  padding:18px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;top:-160px;right:-140px;width:520px;height:520px;
  background:radial-gradient(circle at center,rgba(23,165,131,.28),rgba(23,165,131,0) 68%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;bottom:-200px;left:-160px;width:460px;height:460px;
  background:radial-gradient(circle at center,rgba(255,122,47,.14),rgba(255,122,47,0) 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1fr;gap:36px;align-items:center;padding-top:16px;
}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:56px;padding-top:26px}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--c-primary-50);color:var(--c-primary);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background-image:var(--grad-brand);display:block}
.page-hero h1{
  margin:18px 0 0;
  font-size:clamp(30px,5.2vw,48px);
  line-height:1.22;font-weight:800;letter-spacing:-.5px;
}
.hero-lead{
  margin-top:16px;max-width:560px;
  font-size:clamp(16px,2vw,17.5px);line-height:1.9;color:var(--t-2);
}
.hero-links{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px}
.hero-media{position:relative}
.image-frame{
  position:relative;border-radius:var(--radius-md);overflow:hidden;
  background:#E9EDE9;aspect-ratio:4/3;
}
.image-frame::after{
  content:"MK";position:absolute;inset:0;display:grid;place-items:center;
  font-weight:800;font-size:26px;letter-spacing:3px;color:#C7D2CC;
}
.image-frame img{
  position:relative;z-index:1;width:100%;height:100%;object-fit:cover;
  border-radius:var(--radius-md);transition:transform .4s ease;
}
.hero-media .image-frame{aspect-ratio:16/11;border-radius:var(--radius-card);box-shadow:var(--shadow-lift)}
.hero-media .image-frame img{border-radius:var(--radius-card)}
.hero-media .image-frame:hover img{transform:scale(1.02)}

.floating-badge{
  position:absolute;z-index:3;
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(8px);
  border:1px solid rgba(14,110,92,.16);
  box-shadow:var(--shadow-lift);
}
.floating-badge b{font-size:20px;font-weight:800;color:var(--c-primary-900);font-variant-numeric:tabular-nums}
.floating-badge span{font-size:12.5px;color:var(--t-2)}
.fb-one{top:22px;left:-8px}
.fb-two{bottom:26px;right:-6px}
@media(max-width:639px){
  .hero-media .floating-badge{position:static;margin-top:0;box-shadow:var(--shadow-card)}
  .floating-badge-wrap{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
  .floating-badge-wrap .floating-badge{justify-content:center}
}
@media(min-width:640px){.floating-badge-wrap{display:contents}}

/* ---------- 文档式双栏 ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-soft{background:var(--bg-soft)}

.doc-layout{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:1024px){
  .doc-layout{grid-template-columns:240px minmax(0,1fr);gap:56px;align-items:start}
}
.doc-toc{
  position:static;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:18px 14px;box-shadow:var(--shadow-card);
}
@media(min-width:1024px){
  .doc-toc{position:sticky;top:104px}
}
.toc-title{
  font-size:13px;font-weight:700;letter-spacing:1px;color:var(--t-3);
  padding:0 10px 10px;border-bottom:1px solid var(--line);margin-bottom:8px;
}
.toc-nav{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.toc-nav::-webkit-scrollbar{display:none}
@media(min-width:1024px){
  .toc-nav{flex-direction:column;overflow:visible;gap:2px}
}
.toc-link{
  display:block;white-space:nowrap;
  padding:9px 12px;border-radius:10px;
  font-size:14.5px;color:var(--t-2);
  border-left:3px solid transparent;
  transition:background .18s,color .18s,border-color .18s;
}
.toc-link:hover{background:var(--c-primary-50);color:var(--c-primary)}
.toc-link.is-current{
  color:var(--c-primary);font-weight:700;
  background:var(--c-primary-50);
  border-left-color:var(--c-primary);
}

.doc-body{max-width:820px}
.doc-block + .doc-block{margin-top:48px}
.doc-body h2{
  font-size:clamp(24px,3.2vw,33px);
  font-weight:700;line-height:1.3;letter-spacing:-.3px;
  position:relative;padding-left:16px;margin-bottom:18px;
}
.doc-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:5px;
  border-radius:999px;background-image:var(--grad-brand);
}
.doc-body h3{font-size:20px;font-weight:600;line-height:1.5;margin-bottom:10px}
.doc-body p{color:var(--t-2);margin-bottom:16px;max-width:720px}
.doc-body p strong{color:var(--t-1);font-weight:700}

.check-list{margin-top:14px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;align-items:flex-start;color:var(--t-2);font-size:15.5px}
.check-list li svg{flex-shrink:0;margin-top:6px;color:var(--c-primary)}

/* ---------- 图文交错卡 ---------- */
.feature-row{
  display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,transform .25s ease;
}
.feature-row:hover{box-shadow:var(--shadow-lift);transform:translateY(-3px)}
@media(min-width:768px){
  .feature-row{grid-template-columns:1fr 1fr;gap:34px;padding:26px}
  .feature-row.reverse .feature-media{order:2}
}
.feature-row .image-frame{aspect-ratio:16/11}
.feature-row h2{
  font-size:clamp(21px,2.6vw,26px);padding-left:14px;margin-bottom:12px;
}
.feature-row h2::before{width:4px;top:6px;bottom:6px}
.feature-note{
  display:inline-block;margin-bottom:10px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-50);border-radius:999px;padding:4px 12px;
}

/* ---------- 数据徽章带 ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px;
}
@media(min-width:768px){.stat-band{grid-template-columns:repeat(4,1fr);gap:20px}}
.stat-badge{
  background:#fff;border:1px solid rgba(14,110,92,.2);border-radius:var(--radius-md);
  padding:18px 16px;text-align:center;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-badge:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(255,122,47,.45)}
.stat-badge b{
  display:block;font-size:clamp(28px,4.4vw,40px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background-image:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-badge span{display:block;margin-top:8px;font-size:13.5px;color:var(--t-2)}

/* ---------- 联系卡与表单 ---------- */
.contact-card{
  display:grid;grid-template-columns:1fr;gap:30px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-card);
}
@media(min-width:900px){.contact-card{grid-template-columns:1fr 1.1fr;gap:44px;padding:34px}}
.contact-info h2{font-size:clamp(22px,2.8vw,28px);padding-left:14px;margin-bottom:16px}
.contact-info h2::before{width:4px}
.contact-list{display:grid;gap:12px;margin-top:6px}
.contact-list li{display:flex;gap:10px;align-items:baseline;font-size:15px;color:var(--t-2)}
.contact-list li b{color:var(--t-1);font-weight:700}
.contact-list li svg{flex-shrink:0;color:var(--c-primary);transform:translateY(2px)}

.form-grid{display:grid;gap:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--t-1);margin-bottom:7px}
.field .req{color:var(--c-accent);margin-left:2px}
.input{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  font-size:15px;color:var(--t-1);font-family:inherit;
  transition:border-color .18s,box-shadow .18s;
}
.input::placeholder{color:#A9B5B0}
.input:hover{border-color:#CBD6D1}
.input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(14,110,92,.15)}
textarea.input{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.input.is-error{border-color:#D14343;box-shadow:0 0 0 4px rgba(209,67,67,.12)}
.form-hint{font-size:13px;color:var(--t-3);line-height:1.7}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-actions .btn{width:100%}
@media(min-width:640px){.form-actions .btn{width:auto}}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-dark);
  color:rgba(255,255,255,.75);
  border-radius:28px 28px 0 0;
  margin-top:56px;
  padding:52px 0 0;
}
@media(min-width:1024px){.site-footer{margin-top:88px;padding:64px 0 0}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-desc{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px}
.footer-contact{margin-top:18px;display:grid;gap:7px;font-size:14px;color:rgba(255,255,255,.6)}
.footer-contact b{color:#fff;font-weight:600}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.65);
  transition:color .18s,transform .18s;
}
.footer-links a:hover{color:#7BD8B0;transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:flex;align-items:center;gap:10px;
  height:72px;padding:0 16px;
  background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 26px -16px rgba(12,40,34,.35);
  transition:opacity .3s ease,transform .3s ease;
}
.sticky-cta.is-hidden{opacity:0;transform:translateY(110%);pointer-events:none}
.sticky-cta-text{font-size:13.5px;font-weight:600;color:var(--t-1);margin-right:auto}
.sticky-cta .btn{flex-shrink:0}
@media(min-width:1024px){
  .sticky-cta{
    left:auto;right:32px;bottom:30px;height:auto;
    padding:10px 12px 10px 22px;border-radius:999px;
    border:1px solid var(--line);
    box-shadow:var(--shadow-lift);
  }
  .sticky-cta.is-hidden{transform:translateY(140%)}
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:16px;bottom:86px;z-index:88;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);
  color:var(--c-primary);cursor:pointer;
  box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s,transform .25s,visibility .25s,box-shadow .2s;
}
.to-top.is-shown{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{box-shadow:var(--shadow-lift);transform:translateY(-3px)}
@media(min-width:1024px){.to-top{right:44px;bottom:112px}}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E6E5C;
  --c-primary-900:#0A4E42;
  --c-primary-50:#E7F4EF;
  --c-accent:#FF7A2F;
  --c-amber:#F4C64D;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFF4F1;
  --c-dark:#0B2621;
  --c-text:#12211E;
  --c-text-2:#5C6B66;
  --c-text-3:#93A19C;
  --c-border:#E2E6E2;
  --grad-brand:linear-gradient(120deg,#0E6E5C 0%,#17A583 55%,#7BD8B0 100%);
  --grad-accent:linear-gradient(120deg,#FF7A2F 0%,#FFB35C 100%);
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --shadow-card:0 2px 8px rgba(12,40,34,.06);
  --shadow-hover:0 18px 40px -18px rgba(12,40,34,.28);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.88;
  color:var(--c-text);
  background:var(--c-bg);
  padding-bottom:86px;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block;background-color:#EFF4F1;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2393A19C' stroke-width='1.4'><rect x='3' y='4' width='18' height='16' rx='3'/><circle cx='8.6' cy='9.6' r='1.6'/><path d='M4 17l5-4 4 3 3-2 4 3'/></svg>");background-repeat:no-repeat;background-position:center;background-size:40px 40px}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

body .container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%}
@media (min-width:640px){body .container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){body .container{padding-left:32px;padding-right:32px;max-width:1200px}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,246,242,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .2s ease,box-shadow .2s ease,border-color .2s ease}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--c-border);box-shadow:0 2px 8px rgba(12,40,34,.06)}
.header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background-image:var(--grad-brand);color:#fff;font-size:15px;font-weight:800;letter-spacing:.5px;box-shadow:0 8px 18px -10px rgba(14,110,92,.85)}
.brand-text{font-size:19px;font-weight:800;color:var(--c-text);letter-spacing:.3px}
.brand-text em{font-style:normal;color:var(--c-primary)}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{position:relative;font-size:15px;color:var(--c-text-2);padding:10px 2px;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:3px;border-radius:999px;background:var(--grad-brand);transition:left .25s ease,right .25s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{left:0;right:0}
.nav-link-pill{padding:8px 16px;border-radius:999px;background:var(--c-primary-50);color:var(--c-primary);font-weight:600}
.nav-link-pill::after{display:none}
.nav-link-pill:hover{background:#D6ECE3;color:var(--c-primary-900)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-border);background:#fff;color:var(--c-text);margin-left:auto;transition:background .2s ease,transform .2s ease}
.nav-toggle:hover{background:var(--c-primary-50);transform:translateY(-1px)}
.nav-toggle:active{transform:translateY(1px)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;border-radius:12px;padding:13px 22px;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;white-space:nowrap}
.btn-sm{padding:0 18px;height:44px;font-size:14px}
.btn-primary{background-image:var(--grad-brand);background-size:180% 100%;background-position:right center;color:#fff;box-shadow:0 10px 24px -14px rgba(14,110,92,.8)}
.btn-primary:hover{background-position:left center;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(14,110,92,.9)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-50);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px);filter:brightness(.96)}
.btn-white{background:#fff;color:var(--c-primary-900);box-shadow:0 12px 28px -16px rgba(0,0,0,.6)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(0,0,0,.7)}
.btn-white:active{transform:translateY(1px);filter:brightness(.96)}
.btn-outline-white{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-outline-white:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-outline-white:active{transform:translateY(1px)}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:200;background:var(--c-dark);color:#fff;display:flex;flex-direction:column;padding:22px 22px 26px;transform:translateX(100%);transition:transform .28s ease;visibility:hidden}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer-head .brand-text{color:#fff;font-size:18px}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;font-size:22px;line-height:1;transition:background .2s ease}
.drawer-close:hover{background:rgba(255,255,255,.12)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:22px 0;flex:1}
.drawer-nav a{font-size:17px;font-weight:600;color:rgba(255,255,255,.86);padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-nav a:hover{color:#7BD8B0}
.drawer-nav a.is-active{color:#7BD8B0}
.drawer-foot{display:flex;flex-direction:column;gap:12px}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.page-hero{position:relative;color:#fff;padding:52px 0 56px;background-image:linear-gradient(120deg,rgba(10,78,66,.93) 0%,rgba(14,110,92,.86) 55%,rgba(23,165,131,.76) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.72);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .current{color:rgba(255,255,255,.9)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#fff;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:6px 14px;margin-bottom:18px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--grad-accent);display:inline-block}
.page-hero h1{font-size:clamp(30px,5vw,50px);line-height:1.22;font-weight:800;letter-spacing:-.4px;max-width:900px}
.page-lead{font-size:clamp(16px,2vw,18px);line-height:1.9;color:rgba(255,255,255,.88);max-width:760px;margin-top:18px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.2)}
.hero-stat b{display:block;font-size:clamp(22px,3vw,30px);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.75)}

/* ---------- Filter pills ---------- */
.filter-bar{background:#fff;border-bottom:1px solid var(--c-border);padding:16px 0}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;font-size:14px;font-weight:600;color:var(--c-primary);background:var(--c-primary-50);border:1px solid rgba(14,110,92,.18);border-radius:999px;padding:9px 18px;transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease}
.pill:hover{transform:translateY(-2px);border-color:rgba(14,110,92,.45)}
.pill:active{transform:translateY(1px)}
.pill.is-active{background-image:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 10px 22px -14px rgba(14,110,92,.85)}

/* ---------- Sections ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-alt{background:var(--c-surface-alt)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;font-weight:700;display:flex;align-items:center;gap:12px}
.section-head h2::before{content:"";width:6px;height:26px;border-radius:999px;background:var(--grad-brand);flex:none}
.section-sub{font-size:15px;color:var(--c-text-2);margin-top:10px;max-width:640px}

/* ---------- Product grid ---------- */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.p-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;display:flex;flex-direction:column}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,110,92,.28)}
.p-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:16px;background:var(--c-surface-alt)}
.p-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.p-card:hover .p-card-media img{transform:scale(1.03)}
.p-card-body{padding:18px 4px 4px;display:flex;flex-direction:column;flex:1}
.p-card-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--c-text)}
.p-card:hover .p-card-title{color:var(--c-primary)}
.p-card-desc{font-size:14px;line-height:1.85;color:var(--c-text-2);margin-top:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{display:inline-flex;align-items:center;font-size:13px;color:var(--c-primary);background:var(--c-primary-50);border:1px solid rgba(14,110,92,.2);border-radius:999px;padding:4px 12px;transition:border-color .2s ease,color .2s ease}
.p-card:hover .chip{border-color:rgba(255,122,47,.6)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);margin-top:18px;align-self:flex-start}
.link-arrow svg{transition:transform .22s ease}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px;color:var(--c-primary-900)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- Metrics ---------- */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{background:#fff;border:1px solid rgba(14,110,92,.2);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.metric-num{display:block;font-size:clamp(32px,4.6vw,54px);font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-label{display:block;font-size:14px;color:var(--c-text-2);margin-top:8px}
.metric-emph .metric-num{background-image:var(--grad-accent)}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-xl);padding:8px 24px;box-shadow:var(--shadow-card);max-width:900px}
.faq-item{border-bottom:1px solid var(--c-border)}
.faq-item:last-child{border-bottom:none}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:none;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);padding:22px 0;line-height:1.6;transition:color .2s ease}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{flex:none;color:var(--c-primary);transition:transform .28s ease}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a p{font-size:15px;line-height:1.9;color:var(--c-text-2);border-left:3px solid var(--c-primary);padding:4px 0 4px 16px;margin:0 0 22px}

/* ---------- CTA card ---------- */
.cta-card{position:relative;overflow:hidden;border-radius:30px;padding:56px 40px;color:#fff;background-image:linear-gradient(120deg,rgba(10,78,66,.94) 0%,rgba(14,110,92,.86) 52%,rgba(23,165,131,.72) 100%),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;box-shadow:0 24px 50px -26px rgba(12,40,34,.6)}
.cta-card h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;line-height:1.32;max-width:620px}
.cta-card p{font-size:16px;line-height:1.9;color:rgba(255,255,255,.88);max-width:640px;margin-top:14px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-note{font-size:13px;color:rgba(255,255,255,.72);margin-top:22px}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.75);border-radius:28px 28px 0 0;margin-top:64px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:320px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(255,255,255,.68)}
.footer-contact b{color:#fff;font-weight:600}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;line-height:1.6}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:#7BD8B0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- Bottom bar ---------- */
.bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:flex;align-items:center;gap:10px;background:#fff;border-top:1px solid var(--c-border);padding:10px 16px;box-shadow:0 -8px 24px -14px rgba(12,40,34,.35);transition:opacity .3s ease,transform .3s ease}
.bottom-bar.is-hidden{opacity:0;transform:translateY(130%);pointer-events:none}
.bottom-bar-tip{font-size:13px;color:var(--c-text-2);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (min-width:1024px){
  .bottom-bar{left:auto;right:28px;bottom:28px;border:1px solid var(--c-border);border-radius:999px;padding:10px 12px 10px 22px;max-width:540px;box-shadow:0 18px 40px -18px rgba(12,40,34,.42)}
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-card{padding:44px 28px}
}
@media (max-width:639px){
  body{padding-bottom:96px;font-size:16px}
  .header-inner{height:66px}
  .brand-text{font-size:17px}
  .brand-mark{width:36px;height:36px;font-size:14px;border-radius:10px}
  .page-hero{padding:40px 0 44px}
  .section{padding:56px 0}
  .product-grid,.metric-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:20px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .cta-actions{flex-direction:column;align-items:stretch}
  .faq-list{padding:4px 18px;border-radius:22px}
  .bottom-bar{padding:10px 14px}
  .bottom-bar .btn-sm{height:40px;padding:0 14px;font-size:13px}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E6E5C;
  --c-primary-dark:#0A4E42;
  --c-primary-light:#E7F4EF;
  --c-ink:#0B2621;
  --c-accent:#FF7A2F;
  --c-amber:#F4C64D;
  --c-bg:#F7F6F2;
  --c-soft:#EFF4F1;
  --c-surface:#FFFFFF;
  --c-text:#12211E;
  --c-text-2:#5C6B66;
  --c-text-3:#93A19C;
  --c-border:#E2E6E2;
  --grad-brand:linear-gradient(120deg,#0E6E5C 0%,#17A583 55%,#7BD8B0 100%);
  --grad-accent:linear-gradient(120deg,#FF7A2F 0%,#FFB35C 100%);
  --radius-card:26px;
  --radius-mid:20px;
  --radius-btn:13px;
  --shadow-card:0 2px 8px rgba(12,40,34,.06);
  --shadow-lift:0 18px 40px -18px rgba(12,40,34,.28);
  --shadow-dark:0 10px 30px -12px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
html body.site-body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  padding-bottom:88px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:640px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.header-inner{display:flex;align-items:center;gap:16px;height:76px;transition:height .2s ease;}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--c-border);box-shadow:var(--shadow-card);}
.site-header.is-stuck .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  font-weight:800;font-size:14px;letter-spacing:.6px;
  box-shadow:0 8px 18px -10px rgba(14,110,92,.85);
}
.brand-text{font-size:20px;font-weight:800;letter-spacing:.4px;color:var(--c-text);}
.brand-text em{font-style:normal;color:var(--c-primary);}
.main-nav{display:none;align-items:center;gap:4px;margin-left:auto;}
@media(min-width:1024px){.main-nav{display:flex;}}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;
  color:var(--c-text-2);border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:3px;border-radius:3px;
  background:var(--grad-brand);transform:translateX(-50%);
  transition:width .25s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-light);}
.nav-link:hover::after{width:20px;}
.nav-link.is-active{color:var(--c-primary);font-weight:700;}
.nav-link.is-active::after{width:26px;}
.nav-link-pill{background:var(--c-primary-light);color:var(--c-primary);border-radius:999px;padding:9px 18px;font-weight:600;}
.nav-link-pill.is-active{background:var(--c-primary-light);color:var(--c-primary);font-weight:700;}
.header-actions{display:none;align-items:center;gap:10px;margin-left:8px;}
@media(min-width:1024px){.header-actions{display:flex;}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;border-radius:var(--radius-btn);white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .18s ease;
}
.btn-sm{height:44px;padding:0 18px;font-size:15px;}
.btn-lg{height:52px;padding:0 26px;font-size:16px;}
.btn-primary{
  background:var(--grad-brand);background-size:170% 100%;background-position:0 0;
  color:#fff;box-shadow:0 12px 26px -14px rgba(14,110,92,.9);
}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(14,110,92,.95);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96);}
.btn-ghost{background:transparent;border:1px solid var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-light);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--c-primary);box-shadow:0 12px 26px -16px rgba(0,0,0,.6);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(0,0,0,.7);}
.btn-light:active{transform:translateY(1px);}
.btn-outline-light{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.65);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-outline-light:active{transform:translateY(1px);}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;margin-left:auto;
  background:#fff;border:1px solid var(--c-border);color:var(--c-text);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--c-primary-light);color:var(--c-primary);border-color:#CDE9DF;}
@media(min-width:1024px){.nav-toggle{display:none;}}

/* ---------- drawer ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:55;background:var(--c-ink);
  padding:100px 24px 28px;display:flex;flex-direction:column;justify-content:space-between;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .32s ease,opacity .32s ease,visibility .32s ease;
}
.nav-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-link{
  padding:16px 4px;font-size:19px;font-weight:600;color:rgba(255,255,255,.78);
  border-bottom:1px solid rgba(255,255,255,.1);
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-link:hover{color:#7BD8B0;padding-left:8px;}
.drawer-link.is-active{color:#7BD8B0;}
.drawer-foot{display:flex;flex-direction:column;gap:14px;}
.drawer-cta{width:100%;}
.drawer-tel{font-size:14px;color:rgba(255,255,255,.6);text-align:center;}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:20px 0 0;font-size:13px;color:var(--c-text-3);}
.breadcrumb a{color:var(--c-text-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#C9D2CD;}
.breadcrumb .current{color:var(--c-text-3);}

/* ---------- hero ---------- */
.cat-hero{position:relative;padding-bottom:8px;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.09;
}
.cat-hero::after{
  content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle,rgba(23,165,131,.28) 0%,rgba(123,216,176,.12) 45%,rgba(247,246,242,0) 72%);
}
.cat-hero .container{position:relative;z-index:1;}
.cat-hero-grid{display:grid;gap:30px;margin-top:22px;}
@media(min-width:1024px){.cat-hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;height:34px;padding:0 16px;
  border-radius:999px;background:#fff;border:1px solid var(--c-border);
  font-size:13px;font-weight:600;color:var(--c-primary);box-shadow:var(--shadow-card);
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--grad-accent);display:inline-block;}
.cat-title{
  font-size:clamp(30px,4.4vw,48px);line-height:1.22;font-weight:800;
  letter-spacing:-.6px;margin-top:20px;
}
.cat-lead{margin-top:18px;font-size:clamp(16px,1.4vw,18px);color:var(--c-text-2);max-width:600px;line-height:1.95;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px 30px;margin-top:26px;}
.fact{display:flex;align-items:baseline;gap:8px;}
.fact b{font-size:22px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.fact span{font-size:13px;color:var(--c-text-2);}
.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-mid);box-shadow:var(--shadow-lift);
}
.hero-badge{
  position:absolute;left:-8px;bottom:18px;
  display:flex;align-items:center;gap:12px;
  padding:12px 18px;border-radius:999px;background:rgba(255,255,255,.86);
  backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--shadow-lift);
}
.hero-badge b{font-size:24px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.hero-badge span{font-size:13px;color:var(--c-text-2);}
@media(max-width:639px){
  .hero-badge{position:static;margin-top:14px;display:inline-flex;}
}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--c-border);font-size:14px;color:var(--c-text-2);
  transition:transform .18s ease,border-color .2s ease,color .2s ease,background .2s ease,box-shadow .2s ease;
}
.chip:hover{transform:translateY(-2px);border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--shadow-card);}
.chip:active{transform:translateY(0);}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:92px 0;}}
.section-soft{background:var(--c-soft);}
.section-head{max-width:720px;}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:700;color:var(--c-primary);}
.kicker::before{content:"";width:24px;height:4px;border-radius:4px;background:var(--grad-brand);}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;margin-top:14px;}
.section-head p{color:var(--c-text-2);font-size:16px;margin-top:12px;}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:40px;padding-left:56px;}
.timeline::before{
  content:"";position:absolute;left:17px;top:8px;bottom:10px;width:2px;border-radius:2px;
  background:var(--grad-brand);
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:-56px;top:2px;width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;box-shadow:0 8px 18px -10px rgba(14,110,92,.9);
}
.tl-body{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-mid);padding:22px 24px;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:#CDE9DF;}
.tl-body h3{font-size:20px;font-weight:600;}
.tl-body p{margin-top:10px;color:var(--c-text-2);font-size:15.5px;line-height:1.9;}
.tl-out{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--c-primary-light);color:var(--c-primary);font-size:13px;font-weight:500;
}
@media(max-width:639px){
  .timeline{padding-left:46px;}
  .timeline::before{left:14px;}
  .tl-node{left:-46px;width:30px;height:30px;font-size:12px;}
  .tl-body{padding:18px;}
}

/* ---------- alternating rows ---------- */
.alt-list{margin-top:44px;display:flex;flex-direction:column;gap:44px;}
.alt-row{display:grid;gap:26px;align-items:center;}
@media(min-width:1024px){
  .alt-row{grid-template-columns:1fr 1fr;gap:56px;}
  .alt-row.is-flip .alt-media{order:2;}
}
.alt-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-mid);box-shadow:var(--shadow-lift);
}
.alt-copy h3{font-size:clamp(20px,2.4vw,24px);font-weight:600;line-height:1.4;}
.alt-copy p{margin-top:14px;color:var(--c-text-2);font-size:16px;line-height:1.95;}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.check-list li{display:flex;gap:10px;font-size:15.5px;color:var(--c-text);}
.check-list li svg{flex:0 0 auto;margin-top:6px;color:var(--c-primary);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;margin-top:20px;
  font-size:15px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid transparent;
  transition:color .2s ease,gap .2s ease,border-color .2s ease;
}
.link-arrow:hover{color:var(--c-accent);gap:10px;border-bottom-color:var(--c-accent);}
.link-arrow:active{opacity:.9;}

/* ---------- faq ---------- */
.faq-list{margin-top:34px;border-top:1px solid var(--c-border);max-width:900px;}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;text-align:left;font-size:16.5px;font-weight:600;color:var(--c-text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-light);color:var(--c-primary);
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a-inner{
  padding:0 24px 22px 18px;margin-bottom:4px;
  border-left:3px solid var(--c-primary);
  color:var(--c-text-2);font-size:15px;line-height:1.9;
}

/* ---------- cta card ---------- */
.cta-card{
  position:relative;border-radius:30px;overflow:hidden;
  padding:56px 28px;isolation:isolate;
}
@media(min-width:1024px){.cta-card{padding:72px 64px;}}
.cta-card .cta-bg{
  position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.cta-card .cta-mask{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,rgba(11,38,33,.94) 0%,rgba(14,110,92,.86) 55%,rgba(23,165,131,.68) 100%);
}
.cta-inner{max-width:640px;color:#fff;}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;color:#fff;}
.cta-inner p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.82);line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cta-meta{margin-top:22px;font-size:14px;color:rgba(255,255,255,.68);}

/* ---------- form ---------- */
.form-wrap{display:grid;gap:32px;}
@media(min-width:1024px){.form-wrap{grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;}}
.form-card{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-card);
}
@media(min-width:640px){.form-card{padding:32px;}}
.field{margin-top:18px;}
.field:first-of-type{margin-top:0;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
.field .req{color:#D14343;}
.field input,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--c-border);border-radius:12px;
  background:#FCFCFB;color:var(--c-text);font-size:15px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(14,110,92,.15);
}
.field.is-error input,.field.is-error textarea{border-color:#D14343;}
.field .err{display:none;margin-top:6px;font-size:13px;color:#D14343;}
.field.is-error .err{display:block;}
.form-actions{margin-top:24px;}
.form-actions .btn{width:100%;}
@media(min-width:640px){.form-actions .btn{width:auto;min-width:180px;}}
.form-note{margin-top:14px;font-size:13px;color:var(--c-text-3);}
.form-ok{
  margin-top:18px;padding:14px 16px;border-radius:12px;
  background:var(--c-primary-light);color:var(--c-primary);
  font-size:14px;display:none;
}
.form-ok.is-show{display:block;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-ink);color:rgba(255,255,255,.7);
  border-radius:28px 28px 0 0;margin-top:48px;padding:52px 0 24px;
}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-text{color:#fff;font-size:19px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:320px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(255,255,255,.6);}
.footer-contact b{color:#fff;font-weight:600;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-links a:hover{color:#7BD8B0;transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);border-top:1px solid var(--c-border);
  box-shadow:0 -8px 24px -18px rgba(12,40,34,.55);
  transition:opacity .3s ease,transform .3s ease;
}
.sticky-cta.is-hidden{opacity:0;transform:translateY(110%);pointer-events:none;}
.sticky-cta-text{font-size:14px;color:var(--c-text-2);}
.sticky-cta-actions{display:flex;gap:10px;flex-shrink:0;}
@media(min-width:1024px){
  .sticky-cta{
    left:auto;right:28px;bottom:28px;border-radius:999px;
    padding:10px 12px 10px 24px;border:1px solid var(--c-border);
    box-shadow:var(--shadow-lift);
  }
  .sticky-cta-text{white-space:nowrap;}
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:20px;bottom:92px;z-index:65;
  width:46px;height:46px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--c-border);color:var(--c-primary);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.to-top.is-show{display:flex;}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);background:var(--c-primary-light);}
.to-top:active{transform:translateY(-1px);}
@media(min-width:1024px){.to-top{bottom:126px;right:28px;}}