:root{--green:#00C853;--green2:#00A844;--deep:#087F38;--mint:#E8F8EE;--pale:#F4FBF6;--white:#FFFFFF;--title:#14331F;--text:#222222;--muted:#5B6B62;--footer:#1B1F1C;--footerText:#D7E6DB;--line:rgba(0,200,83,.16);--shadow:0 12px 28px rgba(8,127,56,.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;max-width:100%;overflow-x:hidden}
body{margin:0;background:var(--mint);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78;max-width:100%;overflow-x:hidden}
a{color:var(--deep)} a:hover{color:var(--green2)} img{max-width:100%}
.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;flex-wrap:nowrap}
.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;min-width:122px;height:40px;padding:0 14px;background:#fff;color:#087F38;border-radius:12px;font-weight:900;letter-spacing:1px}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;min-width:0}.nav-core a{color:#FFFFFF;padding:8px 10px;font-weight:700;text-decoration:none;white-space:nowrap;font-size:14px}.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{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)}.header-reg-btn{display:none}.menu-toggle{display:none}
.channel-strip{background:#E8F8EE;border-bottom:1px solid var(--line)}.channel-strip-inner{max-width:1180px;margin:0 auto;padding:9px 18px;display:flex;gap:8px;overflow-x:auto;scrollbar-width:thin}.channel-strip a{flex:0 0 auto;text-decoration:none;color:#2E5B3C;padding:6px 9px;border-radius:999px;font-weight:700;font-size:13px;white-space:nowrap}.channel-strip a.is-current,.channel-strip a:hover{color:#00A844;background:#fff}
.site-main{max-width:1180px;margin:0 auto;padding:36px 82px 70px 18px}.section{padding:34px 0}.section-tight{padding:22px 0}.hero-grid,.split-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(340px,.98fr);gap:36px;align-items:center}.split-grid.reverse{grid-template-columns:minmax(340px,.98fr) minmax(0,1.02fr)}.split-grid.reverse .media-wrap{order:1}.split-grid.reverse .split-copy{order:2}
.eyebrow{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--deep);font-size:13px;font-weight:800}.hero h1,.page-hero h1{margin:14px 0 16px;color:var(--title);font-size:clamp(36px,4.4vw,48px);line-height:1.16;letter-spacing:-.02em}.lead{font-size:18px;color:#33473B;max-width:760px}.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:800;text-decoration:none}.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}
.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-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#4C6F59;background:linear-gradient(135deg,#F4FBF6,#E8F8EE);font-weight:800;letter-spacing:.08em}.media-wrap.large .media{min-height:220px;max-height:252px}.card .media{min-height:156px;max-height:180px}
.pill-scroll{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px}.pill-scroll a{flex:0 0 auto;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 14px;text-decoration:none;font-weight:800;color:var(--deep)}
.section-title{margin:0 0 10px;font-size:30px;line-height:1.25;color:var(--title)}.section-intro{margin:0 0 24px;color:var(--muted);max-width:780px}.channel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.channel-item,.card,.note-box,.faq-item,.step-item,.compare-pane{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.channel-item{padding:18px}.channel-item h3,.card h3,.compare-pane h3{margin:0 0 8px;color:var(--title);font-size:18px}.channel-item p,.card p{margin:0 0 10px;color:var(--muted);font-size:14px}.channel-item a,.card a{font-weight:800;text-decoration:none}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{padding:20px}.wall-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.note-box{padding:20px;background:#F4FBF6}.note-box strong{color:var(--title)}
.page-hero{padding:34px 0 24px}.page-hero p{max-width:820px;margin-bottom:0}.reading{max-width:860px;margin:0 auto}.reading h2{margin:34px 0 12px;color:var(--title);font-size:27px;line-height:1.3}.reading h3{margin:24px 0 8px;color:var(--title);font-size:20px}.reading p{font-size:17px;margin:0 0 16px}.reading ul,.reading ol{padding-left:1.3em;margin:0 0 18px}.reading li{margin:7px 0}.toc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0}.toc a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-decoration:none;font-weight:800}.steps{display:grid;gap:12px}.step-item{padding:18px}.step-item h3{margin:0 0 5px;color:var(--title)}.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.compare-pane{padding:20px}.soft-list{display:grid;gap:10px}.soft-list div{background:#F4FBF6;border-left:4px solid #00C853;border-radius:12px;padding:12px 14px}.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.related-links a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;text-decoration:none;font-weight:800}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item h2,.faq-item h3{margin:0 0 8px;color:var(--title);font-size:20px}.faq-item p{margin:0;color:#33473B}.safety-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.safety-strip .note-box{min-height:100%}
.float-rail{position:fixed;right:16px;top:38%;z-index:9000;width:58px;display:flex;flex-direction:column;gap:8px}.float-rail a{display:flex;align-items:center;justify-content:center;min-height:50px;padding:7px 5px;background:#fff;border:1px solid var(--line);border-radius:12px;text-align:center;text-decoration:none;color:var(--deep);font-weight:800;font-size:12px;line-height:1.3;box-shadow:var(--shadow)}.float-rail .rail-main{background:#00C853;color:#fff}
.site-footer{background:#1B1F1C;color:#D7E6DB}.footer-grid{max-width:1180px;margin:0 auto;padding:48px 18px 30px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.site-footer h2{margin:0 0 12px;color:#fff;font-size:16px}.site-footer a{display:block;color:#D7E6DB;text-decoration:none;margin:7px 0}.site-footer a:hover{color:#fff}.footer-logo img{display:block;width:auto;height:40px;max-width:160px;object-fit:contain}.footer-brand p{max-width:340px;color:#BFD0C4}.footer-bottom{max-width:1180px;margin:0 auto;padding:18px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}.mobile-bottom{display:none}
.mobile-drawer,
.drawer-mask{display:none}

@media(max-width:980px){
.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;
}
}
@media(max-width:980px){
  body.drawer-open{overflow:hidden}.channel-strip,.nav-core,.header-actions,.float-rail{display:none}.header-inner{min-height:64px;display:grid;grid-template-columns:46px 1fr auto;gap:10px;padding:0 12px}.menu-toggle{display:inline-flex;width:42px;height:42px;border:1px solid rgba(255,255,255,.55);background:rgba(255,255,255,.12);border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}.menu-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px}.site-logo{justify-self:center}.site-logo img{height:36px;max-width:142px}.header-reg-btn{display:inline-flex;height:38px;min-width:74px;padding:0 12px;font-size:13px}.site-main{padding:28px 16px 92px}.hero-grid,.split-grid,.split-grid.reverse{grid-template-columns:1fr;gap:24px}.split-grid.reverse .media-wrap,.split-grid.reverse .split-copy{order:initial}.hero h1,.page-hero h1{font-size:clamp(28px,8vw,34px)}.section{padding:26px 0}.channel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-grid,.wall-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:10000;display:grid;grid-template-columns:repeat(4,1fr);padding:8px 8px calc(8px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 24px rgba(8,127,56,.08)}.mobile-bottom a{text-align:center;text-decoration:none;font-weight:800;color:var(--deep);padding:7px 2px}.drawer-head{min-height:64px;padding:10px 12px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-logo img{display:block;height:36px;width:auto;max-width:145px;object-fit:contain}.drawer-close{width:40px;height:40px;border:0;border-radius:10px;background:#E8F8EE;color:#087F38;font-size:28px;line-height:1}.drawer-scroll{height:calc(100vh - 64px);overflow:auto;padding:12px 14px 28px}.drawer-group{padding:8px 0 14px;border-bottom:1px solid #edf4ef}.drawer-group h2{margin:0 0 6px;color:#14331F;font-size:14px}.drawer-group a{display:inline-block;margin:5px 10px 5px 0;text-decoration:none;color:#33473B;font-weight:700;font-size:14px}.toc,.compare-grid,.safety-strip{grid-template-columns:1fr}
}
@media(max-width:700px){.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-grid,.wall-grid,.footer-grid{grid-template-columns:1fr}.section-title{font-size:26px}.reading p{font-size:16px}.site-main{padding-left:14px;padding-right:14px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.card{padding:17px}}
@media(max-width:380px){.header-inner{grid-template-columns:42px 1fr 70px;padding:0 9px}.site-logo img{max-width:120px}.header-reg-btn{min-width:70px;padding:0 8px;font-size:12px}.menu-toggle{width:40px;height:40px}.channel-item{padding:14px}}
@media(min-width:981px) and (max-width:1120px){
  .header-inner{padding-left:12px;padding-right:12px;gap:8px}
  .site-logo img{max-width:132px;height:36px}
  .nav-core a{padding:7px 6px;font-size:12px}
  .login-btn,.register-btn{min-width:72px;padding:0 11px;font-size:13px}
}