:root{
  --green:#00C853;--green-hover:#00A844;--deep:#087F38;--mint:#E8F8EE;--pale:#F4FBF6;
  --white:#FFFFFF;--title:#14331F;--text:#222222;--muted:#5B6B62;--footer:#1B1F1C;--footer-text:#D7E6DB;
  --line:rgba(0,200,83,.16);--shadow:0 12px 28px rgba(8,127,56,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--mint);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden;line-height:1.8}
a{color:var(--deep);text-underline-offset:3px}
a:hover{color:var(--green-hover)}
img,svg,video,canvas{max-width:100%}
button,input,select,textarea{font:inherit}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#00C853;box-shadow:0 8px 20px rgba(0,160,70,.18)}
.header-inner{max-width:1180px;min-height:70px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.site-logo{display:flex;align-items:center;flex:0 0 auto;text-decoration:none}
.site-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}
.logo-fallback{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:120px;padding:0 14px;border:1px solid rgba(255,255,255,.5);border-radius:12px;color:#fff;font-weight:800;letter-spacing:.08em}
.logo-fallback.dark{color:var(--deep);border-color:var(--line)}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0;flex:1}
.nav-core a{color:#FFFFFF;padding:8px 10px;font-weight:700;text-decoration:none;white-space:nowrap;font-size:15px}
.nav-core a.is-current,.nav-core a:hover{background:rgba(255,255,255,.18);border-radius:999px}
.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.login-btn,.register-btn,.header-reg-btn,.mobile-reg{height:40px;min-width:88px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;text-decoration:none;font-weight:700;white-space:nowrap}
.login-btn,.header-reg-btn{background:#FFFFFF;color:#087F38}
.register-btn{background:transparent;color:#FFFFFF;border:1px solid rgba(255,255,255,.7)}
.mobile-reg,.menu-toggle{display:none}
.channel-strip{background:#E8F8EE;border-bottom:1px solid var(--line)}
.channel-inner{max-width:1180px;margin:0 auto;padding:9px 18px;display:flex;gap:8px;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:thin}
.channel-inner a{flex:0 0 auto;color:#2E5B3C;text-decoration:none;font-size:14px;padding:6px 9px;border-radius:999px;white-space:nowrap}
.channel-inner a:hover,.channel-inner a.is-current{color:#00A844;background:#fff}
.site-main{min-height:60vh}
.shell{width:min(1180px,calc(100% - 36px));margin:0 auto}
.reading{width:min(840px,calc(100% - 36px));margin:0 auto}
.section{padding:64px 0}
.section.compact{padding:44px 0}
.section.white{background:#fff}
.section.pale{background:var(--pale)}
.eyebrow{margin:0 0 8px;color:var(--deep);font-weight:800;letter-spacing:.08em;font-size:14px}
h1,h2,h3{color:var(--title);line-height:1.25;margin-top:0}
h1{font-size:clamp(36px,4.2vw,48px);margin-bottom:18px}
h2{font-size:clamp(24px,3vw,32px);margin-bottom:18px}
h3{font-size:19px;margin-bottom:8px}
p,li{font-size:17px}
.lead{font-size:19px;color:#33463a;max-width:760px}
.hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:42px;align-items:center;padding:58px 0 52px}
.hero-copy{min-width:0}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}
.meta-chip{display:inline-flex;align-items:center;padding:7px 11px;border-radius:999px;background:#fff;color:var(--deep);border:1px solid var(--line);font-size:14px}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#E8F8EE;aspect-ratio:16/9;border:1px solid var(--line)}
.media > img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.media.tallish{min-height:220px;max-height:252px}
.media.card-media{height:168px;aspect-ratio:auto}
.media-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#effaf2,#dff3e5);color:#8aac94;font-weight:900;font-size:clamp(26px,4vw,44px);letter-spacing:.08em}
.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:#00C853;color:#FFFFFF;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 8px 18px rgba(0,200,83,.28)}
.main-btn:hover{background:#00A844;color:#fff}
.text-link{font-weight:800;text-decoration:none;border-bottom:1px solid rgba(8,127,56,.3)}
.quick-strip{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 12px;scrollbar-width:thin}
.quick-strip a{flex:0 0 auto;background:#fff;border:1px solid var(--line);padding:9px 14px;border-radius:999px;text-decoration:none;font-weight:700;color:var(--deep)}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);min-width:0}
.card.soft{background:var(--pale);box-shadow:none}
.card p{margin:8px 0 12px;color:#425248;font-size:16px}
.card ul{margin:10px 0 0;padding-left:20px}
.card li{font-size:16px;margin:4px 0}
.channel-card{display:flex;flex-direction:column;min-height:180px}
.channel-card .text-link{margin-top:auto;align-self:flex-start}
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:34px;align-items:center}
.split.reverse{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr)}
.feature-wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.notice{border-left:4px solid var(--green);background:#fff;border-radius:0 14px 14px 0;padding:18px 20px;color:#34463b}
.article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow)}
.article p{margin:0 0 18px}
.article h2{margin-top:34px}.article h3{margin-top:26px}
.toc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:22px 0}
.toc a{background:var(--pale);border:1px solid var(--line);border-radius:12px;padding:10px 12px;text-decoration:none;font-weight:700}
.steps{counter-reset:step;display:grid;gap:14px;padding:0;margin:22px 0;list-style:none}
.steps li{counter-increment:step;background:var(--pale);border:1px solid var(--line);border-radius:14px;padding:16px 18px 16px 58px;position:relative}
.steps li:before{content:counter(step);position:absolute;left:16px;top:14px;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--green);color:#fff;font-weight:800}
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.quote-list{display:grid;gap:12px;margin-top:20px}
.quote-item{background:var(--pale);border-radius:14px;padding:16px 18px;border:1px solid var(--line)}
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.faq-item h2,.faq-item h3{margin-bottom:8px}
.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.related a{padding:8px 11px;border-radius:999px;background:var(--pale);border:1px solid var(--line);text-decoration:none;font-weight:700}
.site-footer{background:#1B1F1C;color:#D7E6DB;padding:52px 0 24px}
.footer-grid{width:min(1180px,calc(100% - 36px));margin:0 auto;display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:34px}
.footer-grid h2{font-size:17px;color:#fff;margin-bottom:12px}.footer-grid a{display:block;color:#D7E6DB;text-decoration:none;margin:7px 0}.footer-grid a:hover{color:#fff}
.footer-brand p{max-width:330px;margin:14px 0 0}.footer-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}.footer-bottom{width:min(1180px,calc(100% - 36px));margin:30px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:14px}.footer-bottom p{font-size:14px;margin:6px 0;color:#bdc9c0}
.floating-tools{position:fixed;right:12px;top:50%;transform:translateY(-50%);z-index:8000;display:flex;flex-direction:column;gap:8px;width:100px}
.floating-tools a,.floating-tools button{background:#fff;color:var(--deep);border:1px solid var(--line);border-radius:12px;padding:9px 8px;text-decoration:none;text-align:center;font-size:13px;box-shadow:var(--shadow);cursor:pointer}.floating-tools .floating-primary{background:var(--green);color:#fff}.floating-tools button{font-family:inherit}
.mobile-bottom{display:none}

.mobile-drawer,
.drawer-mask{display:none}

@media(max-width:1080px){
  .nav-core a{padding:8px 6px;font-size:14px}.header-inner{gap:8px}.header-actions{gap:6px}.login-btn,.register-btn{min-width:72px;padding:0 12px}
  .grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}.floating-tools{display:none}
}
@media(max-width:980px){
  .site-header{position:sticky}.header-inner{min-height:64px;padding:0 14px;display:grid;grid-template-columns:52px minmax(0,1fr) 92px;align-items:center;gap:8px}
  .menu-toggle{display:flex;width:42px;height:42px;border:0;border-radius:12px;background:rgba(255,255,255,.16);flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;cursor:pointer}.menu-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px}
  .site-logo{justify-content:center;min-width:0}.site-logo img{height:36px;max-width:148px}.site-logo .logo-fallback{height:36px;min-width:105px}
  .nav-core,.header-actions{display:none}.mobile-reg{display:inline-flex;justify-self:end;background:#fff;color:var(--deep);min-width:88px;padding:0 12px;font-size:14px}
  .channel-strip{display:none}.site-main{padding-top:0;padding-bottom:72px}
  .hero{grid-template-columns:1fr;padding:42px 0;gap:28px}.hero .media{max-width:720px;margin:0 auto}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.feature-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split,.split.reverse{grid-template-columns:1fr}.split.reverse .media{order:2}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);padding:7px max(8px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));box-shadow:0 -8px 20px rgba(8,127,56,.08)}
  .mobile-bottom a{text-align:center;text-decoration:none;font-weight:800;color:var(--deep);padding:7px 4px;font-size:14px}
  .mobile-drawer{
    display:block;
    position:fixed;
    inset:0 auto 0 0;
    width:min(84vw,320px);
    background:#fff;
    z-index:12000;
    transform:translateX(-105%);
    transition:transform .2s ease;
    box-shadow:18px 0 40px rgba(20,51,31,.18);
  }
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-mask{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(20,51,31,.42);
    z-index:11000;
    opacity:0;
    pointer-events:none;
    transition:opacity .18s ease;
  }
  .drawer-mask.is-visible{
    display:block;
    opacity:1;
    pointer-events:auto;
  }
  body.drawer-open{overflow:hidden}
  .drawer-head{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line)}
  .drawer-logo img{display:block;height:34px;width:auto;max-width:150px;object-fit:contain}.drawer-close{width:40px;height:40px;border:0;background:var(--pale);color:var(--deep);font-size:28px;border-radius:12px;cursor:pointer}
  .drawer-scroll{height:calc(100vh - 66px);overflow-y:auto;padding:16px 16px 28px}.drawer-scroll section{margin-bottom:20px}.drawer-scroll h2{font-size:15px;margin:0 0 8px;color:var(--muted)}.drawer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.drawer-links a{padding:9px 10px;background:var(--pale);border:1px solid var(--line);border-radius:10px;text-decoration:none;font-weight:700;font-size:14px}
}
@media(max-width:680px){
  .shell,.reading{width:min(100% - 28px,1180px)}.section{padding:44px 0}.section.compact{padding:34px 0}
  h1{font-size:clamp(28px,8.2vw,34px)}h2{font-size:24px}p,li{font-size:16px}.lead{font-size:17px}
  .grid-4,.grid-3,.grid-2,.feature-wall,.compare,.toc{grid-template-columns:1fr}.grid-4.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .channel-grid .card{padding:16px;min-height:170px}.channel-grid .card h3{font-size:17px}.channel-grid .card p{font-size:14px}
  .article{padding:24px 20px}.hero{padding:34px 0}.media.tallish{min-height:0;max-height:none}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-brand p{max-width:none}
  .header-inner{grid-template-columns:48px minmax(0,1fr) 88px}.mobile-reg{min-width:84px;padding:0 10px}.site-logo img{max-width:132px}
}
@media(max-width:390px){.header-inner{grid-template-columns:46px minmax(0,1fr) 82px;padding:0 10px}.mobile-reg{min-width:78px;font-size:13px;padding:0 8px}.site-logo img{max-width:120px}.grid-4.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.channel-grid .card{padding:14px}.channel-grid .card p{font-size:13px;line-height:1.65}}

@media(min-width:1081px){.site-main{padding-right:64px}}