:root{--teal:#0C8F82;--teal2:#0A7A6E;--line:#08756A;--cream:#F3E2A8;--light:#F7F3E4;--page:#E7F6F3;--soft:#F3FBFA;--ink:#0A3D38;--text:#222;--muted:#4E6B66;--footer:#123833;--footertext:#D5E8E4;--shadow:0 14px 30px rgba(10,122,110,.10);--radius:18px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--page);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;overflow-x:hidden}
a{color:#08756A;text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
button,input,select,textarea{font:inherit}
.skip-link{position:fixed;left:12px;top:-80px;z-index:15000;background:#fff;color:var(--ink);padding:10px 14px;border-radius:10px}.skip-link:focus{top:10px}
.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,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;flex:0 0 auto}
.site-logo img,.drawer-logo img,.footer-logo img{display:block;height:42px;width:auto;max-width:168px;object-fit:contain}
.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;min-width:132px;height:42px;border:1px solid rgba(243,226,168,.55);border-radius:999px;color:#F3E2A8;font-weight:800;letter-spacing:2px;padding:0 18px}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;white-space:nowrap;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:#FFFFFF}
.header-actions{display:flex;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)}
.mobile-reg,.menu-toggle{display:none}
.channel-strip-wrap{background:#E7F6F3;border-bottom:1px solid rgba(12,143,130,.16)}
.channel-strip{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;overflow-x:auto;scrollbar-width:thin;white-space:nowrap}
.channel-strip a{display:inline-flex;padding:11px 10px;color:#24554F;font-size:14px;font-weight:700;text-decoration:none}.channel-strip a:hover{color:#0C8F82}
.site-main{min-height:60vh;padding-right:64px}
.shell{width:min(1200px,calc(100% - 40px));margin:0 auto}
.reading{width:min(860px,calc(100% - 40px));margin:0 auto}
.home-lead{background:linear-gradient(135deg,#0C8F82 0%,#08756A 100%);color:#F7F3E4;padding:56px 0}
.home-lead .lead-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:38px;align-items:center}.home-lead h1{color:#fff;margin:0 0 14px;font-size:clamp(36px,4.6vw,48px);line-height:1.16}.home-lead p{font-size:18px;margin:0;max-width:720px;color:#F7F3E4}.home-lead .media{background:rgba(255,255,255,.08)}
.section{padding:58px 0}.section-tight{padding:34px 0 58px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:24px}.section-head h2{margin:0;color:var(--ink);font-size:30px;line-height:1.25}.section-head p{margin:0;color:var(--muted)}
.quick-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.quick-link{display:flex;flex-direction:column;gap:8px;min-height:116px;padding:18px;background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px;box-shadow:var(--shadow);text-decoration:none}.quick-link strong{color:var(--ink);font-size:18px}.quick-link span{color:var(--muted);font-size:14px}.quick-link:hover{transform:translateY(-2px);text-decoration:none}
.magazine-grid{display:grid;grid-template-columns:2fr 1fr;gap:22px}.feature-panel,.mini-panel,.compare-card,.dir-item,.service-link,.prose-card,.side-box,.qa-item,.step-item,.notice-box,.link-panel,.split-panel,.data-note,.help-cluster{background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px;box-shadow:var(--shadow)}
.feature-panel{padding:26px}.feature-panel h2,.mini-panel h3,.compare-card h2,.dir-item h3,.prose-card h2,.side-box h2,.qa-item h2,.link-panel h2,.split-panel h2,.help-cluster h2{color:var(--ink);margin-top:0;line-height:1.3}.feature-panel .media{margin-bottom:22px}.mag-side{display:grid;gap:14px}.mini-panel{padding:20px}.mini-panel p{margin-bottom:0;color:var(--muted)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.compare-card{padding:24px}.compare-card .media{margin-bottom:18px}.compare-card p{margin-bottom:12px}.text-link{font-weight:700}
.directory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.dir-item{padding:20px}.dir-item h3{margin-bottom:8px}.dir-item p{margin:0 0 12px;color:var(--muted)}
.service-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.service-link{padding:20px;color:var(--ink);font-weight:800;text-decoration:none}.service-link span{display:block;margin-top:5px;color:var(--muted);font-size:14px;font-weight:400}.service-link:hover{text-decoration:none;border-color:rgba(12,143,130,.35)}
.page-hero{padding:48px 0 28px}.page-hero .hero-box{background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:24px;box-shadow:var(--shadow);padding:34px}.page-hero h1{margin:0 0 12px;color:var(--ink);font-size:clamp(36px,4vw,46px);line-height:1.15}.page-hero p{margin:0;color:var(--muted);font-size:17px}.crumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:14px;margin-bottom:16px;color:var(--muted)}
.content-grid{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start;padding-bottom:60px}.side-box{padding:20px;position:sticky;top:120px}.side-box h2{font-size:20px}.side-box a{display:block;padding:8px 0;border-bottom:1px dashed rgba(12,143,130,.16)}.prose-card{padding:28px}.prose-card + .prose-card{margin-top:18px}.prose-card p,.prose-card li{font-size:17px}.prose-card ul,.prose-card ol{padding-left:22px}.prose-card h2{font-size:26px;margin-bottom:12px}.prose-card h3{color:var(--ink);font-size:20px;margin-top:24px}.prose-card .media{margin:18px 0 22px}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:18px;background:#E7F6F3;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-placeholder{display:flex;align-items:center;justify-content:center;color:#4E6B66;font-weight:800;letter-spacing:2px}.media-card{height:auto;min-height:156px;max-height:180px}.media-wide{height:auto;min-height:220px;max-height:252px}
.steps{display:grid;counter-reset:step;gap:14px;margin:20px 0}.step-item{position:relative;padding:20px 20px 20px 64px}.step-item:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#0C8F82;color:#F7F3E4;font-weight:800}.step-item h2,.step-item h3{margin:0 0 6px;color:var(--ink)}.step-item p{margin:0;color:var(--muted)}
.split-two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.split-panel{padding:22px}.split-panel p:last-child{margin-bottom:0}.notice-box{padding:20px 22px;border-left:5px solid #0C8F82;background:#F3FBFA}.notice-box strong{color:var(--ink)}
.link-row,.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.link-row a,.related-links a{display:inline-flex;padding:8px 12px;background:#F3FBFA;border:1px solid rgba(12,143,130,.16);border-radius:999px;font-weight:700;text-decoration:none}.link-row a:hover,.related-links a:hover{background:#E7F6F3}
.catalog-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.catalog-list a{display:block;background:#F3FBFA;border:1px solid rgba(12,143,130,.16);border-radius:14px;padding:14px 16px;font-weight:700;text-decoration:none}.catalog-list a span{display:block;color:var(--muted);font-weight:400;font-size:14px;margin-top:4px}
.qa-list{display:grid;gap:16px;padding-bottom:60px}.qa-item{padding:24px}.qa-item h2{font-size:21px;margin-bottom:10px}.qa-item p{margin:0;font-size:16px}
.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding-bottom:60px}.help-cluster{padding:22px}.help-cluster a{display:block;padding:8px 0;border-bottom:1px dashed rgba(12,143,130,.16)}
.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)}.main-btn:hover{text-decoration:none}
.floating-tools{position:fixed;right:14px;top:42%;z-index:9000;display:flex;flex-direction:column;gap:8px;width:104px}.floating-tools a{background:#fff;color:#0A7A6E;border:1px solid rgba(12,143,130,.16);border-radius:12px;padding:9px 10px;text-align:center;font-size:13px;font-weight:700;box-shadow:var(--shadow);text-decoration:none}.floating-tools .float-register{background:#0A7A6E;color:#F3E2A8}.floating-tools a:hover{transform:translateX(-2px)}
.site-footer{background:#123833;color:#D5E8E4;padding:48px 64px 24px 0}.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{font-size:18px;color:#fff;margin:0 0 12px}.site-footer a{display:block;color:#D5E8E4;padding:4px 0}.footer-brand p{margin:14px 0 0}.footer-bottom{width:min(1200px,calc(100% - 40px));margin:28px auto 0;padding-top:18px;border-top:1px solid rgba(213,232,228,.18);font-size:14px}.footer-bottom p{margin:5px 0}.footer-logo .logo-placeholder{color:#F3E2A8}
.mobile-bottom{display:none}
.mobile-drawer,
.drawer-mask{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid rgba(12,143,130,.16)}.drawer-close{border:0;background:#F3E2A8;color:#0A3D38;width:40px;height:40px;border-radius:50%;font-size:26px;line-height:1}.drawer-scroll{height:calc(100vh - 74px);overflow-y:auto;padding:10px 18px 28px}.drawer-scroll section{padding:10px 0}.drawer-scroll h2{font-size:14px;color:#4E6B66;margin:0 0 5px;text-transform:uppercase;letter-spacing:1px}.drawer-scroll a{display:block;padding:9px 4px;color:#0A3D38;border-bottom:1px dashed rgba(12,143,130,.14);font-weight:700}.drawer-logo .logo-placeholder{color:#0A7A6E;border-color:rgba(12,143,130,.22)}
@media(max-width:1100px){.quick-grid{grid-template-columns:repeat(3,1fr)}.directory-grid{grid-template-columns:repeat(2,1fr)}.nav-core a{padding:8px 8px;font-size:14px}.header-actions .register-btn{display:none}.site-main{padding-right:0}.site-footer{padding-right:0}.floating-tools{display:none}}
@media(max-width:980px){
  body{padding-bottom:66px}.site-header{position:sticky}.header-inner{min-height:64px;padding:0 14px;display:grid;grid-template-columns:46px 1fr 104px;gap:8px}.menu-toggle{display:flex;width:42px;height:40px;border:0;border-radius:12px;background:#F3E2A8;align-items:center;justify-content:center;flex-direction:column;gap:4px}.menu-toggle span{width:20px;height:2px;background:#0A7A6E;border-radius:3px}.site-logo{justify-self:center}.site-logo img{height:38px;max-width:150px}.site-logo .logo-placeholder{min-width:118px;height:38px;color:#F3E2A8}.nav-core,.header-actions{display:none}.mobile-reg{display:inline-flex;justify-self:end;min-width:100px;padding:0 12px}.channel-strip-wrap{display:none}
  .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;
}
  body.drawer-open{overflow:hidden}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:10000;height:58px;background:#fff;border-top:1px solid rgba(12,143,130,.18);display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:grid;place-items:center;color:#0A3D38;font-size:14px;font-weight:800;text-decoration:none}
  .home-lead{padding:38px 0}.home-lead .lead-grid{grid-template-columns:1fr;gap:24px}.home-lead h1{font-size:clamp(30px,8vw,38px)}.home-lead p{font-size:16px}.section{padding:40px 0}.magazine-grid,.compare-grid,.content-grid{grid-template-columns:1fr}.side-box{position:static}.page-hero{padding:32px 0 20px}.page-hero .hero-box{padding:24px}.page-hero h1{font-size:clamp(28px,8vw,34px)}.split-two{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){.shell,.reading,.footer-grid,.footer-bottom{width:min(100% - 28px,1200px)}.header-inner{grid-template-columns:44px minmax(0,1fr) 98px}.site-logo img{max-width:136px;height:36px}.site-logo .logo-placeholder{min-width:104px;padding:0 12px;font-size:15px}.mobile-reg{min-width:92px;font-size:14px}.quick-grid{grid-template-columns:repeat(2,1fr);gap:10px}.quick-link{min-height:104px;padding:15px}.directory-grid,.service-strip,.help-grid,.catalog-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.section-head h2{font-size:26px}.feature-panel,.prose-card,.compare-card,.dir-item,.qa-item{padding:20px}.prose-card p,.prose-card li{font-size:16px}.page-hero .hero-box{padding:20px}.site-footer{padding-top:38px}.media-wide{min-height:180px}.home-lead .media{max-height:230px}}
@media(max-width:430px){.header-inner{padding:0 10px;grid-template-columns:42px minmax(0,1fr) 94px;gap:6px}.menu-toggle{width:40px}.mobile-reg{min-width:88px;padding:0 10px}.site-logo img{max-width:128px}.quick-link strong{font-size:17px}}