*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#E7F6F3}
body{margin:0;overflow-x:hidden;background:#E7F6F3;color:#222;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78}
a{color:#0A7A6E;text-underline-offset:3px}
img{max-width:100%}
.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;text-decoration:none;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:128px;height:42px;padding:0 16px;border-radius:16px;background:#F3E2A8;color:#0A3D38;font-weight:900;letter-spacing:.06em}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0;flex:1}
.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)}
.menu-toggle,.mobile-reg{display:none}
.channel-strip{width:100%;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:8px;overflow-x:auto;scrollbar-width:thin}
.channel-inner a{flex:0 0 auto;color:#24554F;text-decoration:none;font-size:14px;font-weight:700;padding:6px 10px;border-radius:999px;white-space:nowrap}.channel-inner a.is-current,.channel-inner a:hover{color:#0C8F82;background:#fff}
.site-main{min-height:60vh}
.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto}.reading{width:min(840px,calc(100% - 40px));margin:0 auto}.section{padding:58px 0}.section-tight{padding:36px 0}.soft{background:#F3FBFA}.white{background:#fff}
.hero-band{background:linear-gradient(135deg,#0C8F82 0%,#08756A 100%);color:#F7F3E4;padding:58px 0}.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:36px;align-items:center}.hero-band h1{margin:0 0 18px;color:#fff;font-size:clamp(36px,4.2vw,50px);line-height:1.16}.hero-band p{font-size:18px;margin:0;color:#F7F3E4}.hero-band a{color:#fff}
.page-hero{padding:52px 0 36px;background:linear-gradient(180deg,#F3FBFA,#E7F6F3)}.page-hero h1{font-size:clamp(36px,4vw,46px);line-height:1.18;color:#0A3D38;margin:0 0 14px}.page-hero p{font-size:18px;color:#4E6B66;margin:0;max-width:820px}.eyebrow{display:inline-block;margin-bottom:10px;color:#08756A;font-weight:800;letter-spacing:.08em}
.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:700}.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,minmax(0,1fr));gap:14px}.quick-card,.card{background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px;box-shadow:0 14px 30px rgba(10,122,110,.10)}.quick-card{padding:20px 16px;text-decoration:none;color:#0A3D38;min-height:116px;display:flex;flex-direction:column;justify-content:space-between}.quick-card strong{font-size:18px}.quick-card span{color:#4E6B66;font-size:14px}.quick-card:hover{border-color:#08756A;transform:translateY(-2px)}
.magazine-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:24px;align-items:start}.feature-card{padding:28px}.feature-card h2,.section-title{color:#0A3D38;margin:0 0 16px;line-height:1.25}.feature-card h2,.section-title{font-size:28px}.feature-card p{margin:14px 0;color:#334944}.stack{display:grid;gap:14px}.mini-card{padding:20px}.mini-card h3{margin:0 0 8px;color:#0A3D38}.mini-card p{margin:0 0 10px;color:#4E6B66}.text-link{font-weight:800;text-decoration:none}.text-link::after{content:" →"}
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.compare-card{padding:24px}.compare-card h2{color:#0A3D38;margin:16px 0 10px}.compare-card p{margin:0 0 12px;color:#334944}
.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.directory-card{padding:22px}.directory-card h3{margin:0 0 8px;color:#0A3D38;font-size:20px}.directory-card p{margin:0 0 10px;color:#4E6B66;font-size:15px}
.service-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.service-row a{padding:18px;background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px;text-decoration:none;font-weight:800;color:#0A3D38;text-align:center}
.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)}
.content-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;align-items:start}.side-index{position:sticky;top:116px;padding:20px}.side-index h2{font-size:17px;color:#0A3D38;margin:0 0 12px}.side-index a{display:block;padding:8px 0;text-decoration:none;border-bottom:1px dashed rgba(12,143,130,.16)}
.article{background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px;padding:32px;box-shadow:0 14px 30px rgba(10,122,110,.10)}.article h2{color:#0A3D38;font-size:26px;line-height:1.3;margin:30px 0 12px}.article h2:first-child{margin-top:0}.article h3{color:#0A3D38;font-size:20px;margin:24px 0 8px}.article p{font-size:17px;margin:0 0 16px}.article ul,.article ol{padding-left:1.35em;margin:8px 0 20px}.article li{margin:8px 0}.article a{font-weight:700}.note{padding:18px 20px;border-left:4px solid #0C8F82;background:#F3FBFA;border-radius:0 14px 14px 0;color:#334944}.legal-note{padding:18px 20px;background:#F3E2A8;border-radius:18px;color:#0A3D38;font-weight:700}
.steps{display:grid;gap:16px;counter-reset:step}.step{position:relative;padding:22px 22px 22px 72px;background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px}.step::before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#0C8F82;color:#F7F3E4;font-weight:900}.step h2{margin:0 0 8px;color:#0A3D38;font-size:22px}.step p{margin:0;color:#334944}
.split-intro{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:28px;align-items:center}.split-copy h2{font-size:28px;color:#0A3D38;margin:0 0 14px}.split-copy p{font-size:17px;margin:0 0 14px}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.pill-link{display:inline-flex;padding:8px 14px;border-radius:999px;background:#E7F6F3;text-decoration:none;color:#0A3D38;font-weight:800}.pill-link:hover{background:#F3E2A8}
.qa-list{display:grid;gap:16px}.qa{padding:24px;background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px}.qa h2{font-size:20px;color:#0A3D38;margin:0 0 10px}.qa p{margin:0;font-size:16px;color:#334944}
.group-index{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.group-box{padding:22px}.group-box h2{color:#0A3D38;font-size:21px;margin:0 0 10px}.group-box a{display:block;padding:7px 0;text-decoration:none}
.info-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.info-box{padding:26px}.info-box h2{margin:0 0 12px;color:#0A3D38}.info-box p{margin:0 0 12px}.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-links a{padding:16px 18px;border-radius:16px;background:#fff;border:1px solid rgba(12,143,130,.16);text-decoration:none;font-weight:800;text-align:center}
.site-footer{background:#123833;color:#D5E8E4;padding:52px 0 24px}.footer-grid{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:28px}.site-footer h2{font-size:17px;color:#F7F3E4;margin:0 0 12px}.site-footer p{margin:12px 0;color:#D5E8E4}.site-footer a{display:block;color:#D5E8E4;text-decoration:none;padding:4px 0}.site-footer a:hover{color:#fff}.footer-bottom{width:min(1200px,calc(100% - 40px));margin:28px auto 0;padding-top:18px;border-top:1px solid rgba(213,232,228,.2);display:flex;justify-content:space-between;gap:24px;font-size:14px}.footer-brand .logo-placeholder{background:#F3E2A8;color:#0A3D38}
.floating-tools{position:fixed;right:12px;top:50%;transform:translateY(-50%);z-index:7000;width:56px;display:grid;gap:8px}.floating-tools a,.floating-tools button{width:56px;min-height:56px;padding:8px 5px;border:1px solid rgba(12,143,130,.16);border-radius:14px;background:#fff;color:#0A7A6E;text-decoration:none;font:700 12px/1.3 Arial,"PingFang SC","Microsoft YaHei",sans-serif;display:flex;align-items:center;justify-content:center;text-align:center;box-shadow:0 8px 18px rgba(10,122,110,.10);cursor:pointer}.floating-tools .float-register{background:#0A7A6E;color:#F3E2A8;border-color:#0A7A6E}
.mobile-bottom{display:none}
.mobile-drawer,
.drawer-mask{display:none}
body.drawer-open{overflow:hidden}
@media(max-width:1180px){.header-inner{padding-right:78px}.nav-core a{padding:8px 8px}.quick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.group-index{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:980px){
  .site-header{position:sticky}.header-inner{min-height:64px;padding:0 14px;gap:10px}.nav-core,.header-actions,.channel-strip,.floating-tools{display:none}.menu-toggle{display:inline-flex;width:42px;height:40px;border:0;border-radius:12px;background:#F3E2A8;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;flex:0 0 42px}.menu-toggle span{width:19px;height:2px;background:#0A7A6E;border-radius:2px}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{height:38px;max-width:145px}.site-logo .logo-placeholder{height:38px;min-width:112px;padding:0 10px}.mobile-reg{display:inline-flex;margin-left:auto;min-width:auto;height:38px;padding:0 12px;font-size:14px}.site-main{padding-bottom:72px}
  .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:0 16px;border-bottom:1px solid rgba(12,143,130,.16);display:flex;align-items:center;justify-content:space-between}.drawer-logo img{height:36px}.drawer-placeholder{height:36px;min-width:110px}.drawer-close{width:40px;height:40px;border:0;border-radius:12px;background:#E7F6F3;color:#0A3D38;font-size:30px;line-height:1;cursor:pointer}.drawer-scroll{height:calc(100vh - 68px);overflow-y:auto;padding:12px 18px 34px}.drawer-scroll section{padding:12px 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 4px;color:#0A3D38;text-decoration:none;font-weight:700}
  .mobile-bottom{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:9000;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid rgba(12,143,130,.16);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:58px;display:flex;align-items:center;justify-content:center;text-decoration:none;color:#0A3D38;font-weight:800;font-size:14px}
  .hero-grid,.split-intro,.magazine-grid,.content-grid{grid-template-columns:1fr}.hero-band{padding:44px 0}.hero-band h1{font-size:clamp(28px,8vw,36px)}.page-hero{padding:38px 0 28px}.page-hero h1{font-size:clamp(28px,8vw,34px)}.side-index{position:static}.service-row{grid-template-columns:repeat(2,minmax(0,1fr))}.info-columns{grid-template-columns:1fr}.footer-bottom{display:block}
}
@media(max-width:680px){.wrap,.reading,.footer-grid,.footer-bottom{width:min(100% - 28px,1200px)}.section{padding:38px 0}.section-tight{padding:28px 0}.quick-grid,.directory-grid,.group-index,.compare-grid,.related-links{grid-template-columns:repeat(2,minmax(0,1fr))}.directory-grid,.related-links{grid-template-columns:1fr}.article{padding:22px 18px}.article p{font-size:16px}.feature-card,.compare-card,.info-box{padding:20px}.footer-grid{grid-template-columns:1fr}.footer-bottom{font-size:13px}.media.feature-media{height:auto;aspect-ratio:16/9}.step{padding:20px 18px 20px 64px}.step::before{left:16px}.site-logo img{max-width:134px}.mobile-reg{font-size:13px;padding:0 10px}}
@media(max-width:390px){.header-inner{padding:0 10px}.menu-toggle{width:40px;flex-basis:40px}.mobile-reg{padding:0 9px;min-width:78px}.site-logo img{max-width:120px}.site-logo .logo-placeholder{min-width:98px;font-size:14px}.quick-grid{gap:10px}.quick-card{padding:16px 12px}}