*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:#E7F6F3;color:#222;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78;overflow-x:hidden}
img,svg,video{max-width:100%}
a{color:#08756A}
button,input{font:inherit}
body.drawer-open{overflow:hidden}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:linear-gradient(180deg,#0C8F82 0%,#0A7A6E 100%);box-shadow:0 8px 22px rgba(10,122,110,.22)}
.header-inner{max-width:1200px;min-height:72px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-logo{display:flex;align-items:center;flex:0 0 auto}
.site-logo img{display:block;height:42px;width:auto;max-width:168px;object-fit:contain}
.logo-placeholder{display:block;width:156px;height:42px;border-radius:12px;background:linear-gradient(135deg,#F3E2A8,#F7F3E4);border:1px solid rgba(255,255,255,.38)}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0}
.nav-core a{color:#F7F3E4;padding:8px 12px;font-weight:700;text-decoration:none;white-space:nowrap}
.nav-core a.is-current,.nav-core a:hover{background:rgba(247,243,228,.16);border-radius:999px;color:#fff}
.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:#F3E2A8;color:#0A3D38}.register-btn{background:transparent;color:#F7F3E4;border:1px solid rgba(247,243,228,.55)}
.menu-btn,.mobile-reg{display:none}
.channel-bar{background:#E7F6F3;border-bottom:1px solid rgba(12,143,130,.16)}
.channel-inner{max-width:1200px;margin:0 auto;padding:10px 20px;display:flex;gap:18px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}
.channel-inner a{color:#24554F;font-weight:700;text-decoration:none;font-size:14px}.channel-inner a:hover{color:#0C8F82}
.site-main{min-height:60vh}
.noscript-nav{width:min(1200px,calc(100% - 40px));margin:12px auto;display:flex;gap:10px;flex-wrap:wrap;background:#fff;border-radius:18px;padding:14px;border:1px solid rgba(12,143,130,.16)}.noscript-nav a{color:#0A3D38;text-decoration:none;font-weight:700;padding:5px 8px}
.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto}
.reading{width:min(840px,calc(100% - 40px));margin:0 auto}
.section{padding:56px 0}.section.tight{padding:38px 0}.section.white{background:#fff}.section.soft{background:#F3FBFA}
.hero-band{background:linear-gradient(135deg,#0C8F82,#0A7A6E);color:#F7F3E4;padding:58px 0}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:36px;align-items:center}
.hero-band h1{color:#fff;margin:0 0 18px;font-size:clamp(36px,4.3vw,48px);line-height:1.16}.hero-band p{font-size:18px;margin:0;max-width:720px}
.page-hero{padding:48px 0 28px}.page-hero h1{margin:0 0 12px;color:#0A3D38;font-size:clamp(34px,4vw,46px);line-height:1.2}.page-hero p{margin:0;color:#4E6B66;font-size:17px}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:18px;background:#E7F6F3;aspect-ratio:16/9;border:1px solid rgba(12,143,130,.16)}
.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.media.placeholder:after{content:"";position:absolute;inset:18% 24%;border-radius:16px;border:2px dashed rgba(12,143,130,.22);background:rgba(255,255,255,.42)}
.media.card-media{height:168px;aspect-ratio:auto}.media.feature-media{height:236px;aspect-ratio:auto}
.quick-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.quick-link{display:block;background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px;padding:20px 16px;color:#0A3D38;text-decoration:none;font-weight:800;box-shadow:0 14px 30px rgba(10,122,110,.08)}.quick-link span{display:block;margin-top:5px;color:#4E6B66;font-weight:400;font-size:14px}
.magazine-grid{display:grid;grid-template-columns:2fr 1fr;gap:22px}.panel,.stack-card,.content-card,.qa-item,.step{background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px;box-shadow:0 14px 30px rgba(10,122,110,.10)}
.panel{padding:24px}.panel h2,.stack-card h2,.content-card h2{margin:0 0 12px;color:#0A3D38}.panel p:last-child,.stack-card p:last-child,.content-card p:last-child{margin-bottom:0}
.stack{display:grid;gap:14px}.stack-card{padding:20px}.stack-card a,.text-link{font-weight:800;text-decoration:none;color:#08756A}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.content-card{padding:24px}.content-card .media{margin-bottom:18px}
.directory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.directory-item{background:#fff;border-radius:18px;padding:20px;border:1px solid rgba(12,143,130,.16)}.directory-item h3{color:#0A3D38;margin:0 0 6px}.directory-item p{color:#4E6B66;margin:0 0 10px;font-size:15px}.directory-item a{font-weight:800;text-decoration:none}
.service-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.service-row a{background:#0A7A6E;color:#F7F3E4;border-radius:18px;padding:20px;text-decoration:none;font-weight:800;text-align:center}
.article-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:28px;align-items:start}.side-index{position:sticky;top:100px;background:#fff;border-radius:18px;padding:20px;border:1px solid rgba(12,143,130,.16)}.side-index h2{font-size:18px;color:#0A3D38;margin:0 0 10px}.side-index a{display:block;padding:7px 0;text-decoration:none;font-weight:700}
.prose{background:#fff;border-radius:18px;padding:30px;border:1px solid rgba(12,143,130,.16);box-shadow:0 14px 30px rgba(10,122,110,.08)}.prose h2{color:#0A3D38;margin:30px 0 10px;font-size:25px}.prose h2:first-child{margin-top:0}.prose h3{color:#0A3D38}.prose p{margin:0 0 16px;font-size:17px}.prose ul,.prose ol{padding-left:22px}.prose li{margin:7px 0}
.notice{background:#F3FBFA;border-left:4px solid #0C8F82;border-radius:12px;padding:18px 20px;color:#24554F}
.steps{display:grid;gap:14px;counter-reset:steps}.step{position:relative;padding:20px 20px 20px 64px}.step:before{counter-increment:steps;content:counter(steps);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#F3E2A8;color:#0A3D38;font-weight:800}
.link-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.link-row a{padding:9px 13px;border-radius:999px;background:#E7F6F3;text-decoration:none;font-weight:700}
.qa-list{display:grid;gap:16px}.qa-item{padding:24px}.qa-item h2{margin:0 0 10px;color:#0A3D38;font-size:21px}.qa-item p{margin:0;font-size:16px}
.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:linear-gradient(180deg,#0C8F82 0%,#0A7A6E 100%);color:#F7F3E4;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 8px 18px rgba(10,122,110,.28)}
.safe-strip{background:#F3E2A8;color:#0A3D38;padding:18px;border-radius:18px}.safe-strip strong{display:block;margin-bottom:4px}
.site-footer{background:#123833;color:#D5E8E4;padding:52px 0 26px}.footer-grid{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}.site-footer h2{color:#F7F3E4;font-size:17px;margin:0 0 12px}.site-footer a{display:block;color:#D5E8E4;text-decoration:none;padding:4px 0}.footer-logo img{height:42px;width:auto;max-width:168px;object-fit:contain}.footer-brand p{max-width:330px}.footer-bottom{width:min(1200px,calc(100% - 40px));margin:28px auto 0;padding-top:20px;border-top:1px solid rgba(213,232,228,.2);display:flex;justify-content:space-between;gap:24px;font-size:14px}.footer-bottom p{margin:0}
.floating-tools{position:fixed;right:12px;top:36%;z-index:7000;display:grid;gap:7px}.floating-tools a{width:56px;padding:10px 7px;background:#fff;color:#08756A;border:1px solid rgba(12,143,130,.16);border-radius:12px;text-align:center;text-decoration:none;font-size:12px;line-height:1.25;box-shadow:0 8px 18px rgba(10,122,110,.12)}.floating-tools .float-reg{background:#0A7A6E;color:#F3E2A8}
.mobile-bottom{display:none}
.mobile-drawer,.drawer-mask{display:none}
@media(max-width:1120px){.nav-core a{padding:8px 8px;font-size:14px}.quick-grid{grid-template-columns:repeat(3,1fr)}.directory-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:980px){
  .site-header{position:sticky}.header-inner{min-height:64px;padding:0 14px;display:grid;grid-template-columns:48px 1fr auto;gap:10px}
  .nav-core,.header-actions,.channel-bar{display:none}.site-logo{justify-self:center}.site-logo img{height:38px;max-width:154px}
  .menu-btn{display:inline-flex;width:44px;height:40px;padding:10px 11px;background:#F3E2A8;border:0;border-radius:12px;flex-direction:column;justify-content:center;gap:4px}.menu-btn span{height:2px;width:22px;background:#0A7A6E;display:block}
  .mobile-reg{display:inline-flex;height:40px;padding:0 13px;align-items:center;justify-content:center;border-radius:999px;background:#F3E2A8;color:#0A3D38;text-decoration:none;font-weight:700;white-space:nowrap;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(10,61,56,.18)}
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-mask{display:none;position:fixed;inset:0;background:rgba(10,61,56,.42);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}
  .drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}
  .drawer-head{height:68px;padding:12px 16px;border-bottom:1px solid #E7F6F3;display:flex;align-items:center;justify-content:space-between}.drawer-logo img{height:38px;width:auto;max-width:150px;object-fit:contain}.drawer-close{width:38px;height:38px;border:0;border-radius:10px;background:#E7F6F3;color:#0A3D38;font-size:26px}.drawer-scroll{height:calc(100vh - 68px);overflow-y:auto;padding:10px 16px 30px}.drawer-scroll section{padding:10px 0;border-bottom:1px solid #E7F6F3}.drawer-scroll h2{font-size:14px;color:#4E6B66;margin:0 0 7px}.drawer-scroll a{display:block;padding:8px 0;color:#0A3D38;text-decoration:none;font-weight:700}
  .hero-grid{grid-template-columns:1fr}.magazine-grid{grid-template-columns:1fr}.article-layout{grid-template-columns:1fr}.side-index{position:static}.floating-tools{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:8000;height:58px;background:#fff;border-top:1px solid rgba(12,143,130,.16);display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#0A3D38;text-decoration:none;font-weight:700;font-size:14px}.site-footer{padding-bottom:88px}
}
@media(max-width:680px){
  .wrap,.reading{width:min(100% - 28px,1200px)}.section{padding:38px 0}.hero-band{padding:40px 0}.hero-band h1{font-size:clamp(28px,8vw,34px)}.hero-band p,.page-hero p{font-size:16px}.page-hero{padding:34px 0 20px}.page-hero h1{font-size:clamp(27px,8vw,34px)}
  .quick-grid{grid-template-columns:repeat(2,1fr);gap:10px}.quick-link{padding:16px 12px}.split-grid,.directory-grid,.service-row{grid-template-columns:1fr}.prose{padding:22px}.prose p{font-size:16px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom p+ p{margin-top:10px}
  .media.feature-media{height:220px}.media.card-media{height:156px}.header-inner{grid-template-columns:44px minmax(0,1fr) auto}.mobile-reg{padding:0 11px;font-size:13px}.site-logo img{max-width:142px}
}
@media(min-width:981px){.site-main{padding-right:64px}}