:root{
  --cream:#F4FBF4;--deep-bg:#E6F3E8;--white:#FFFFFF;--soft:#D8EEDC;--title:#0F3D24;--text:#1A3D28;--muted:#3E6B4E;--assist:#6A8A72;--brand:#1F8A4C;--bright:#2EA860;--deep:#0F3D24;--leaf:#7AC994;--gold:#E8C458;--border:rgba(31,138,76,.18);--border-strong:rgba(31,138,76,.45);--shadow:0 14px 36px rgba(15,61,36,.12);--radius:16px;--max:1220px;--top:144px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}.shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:9999;background:var(--white);color:var(--deep);padding:10px 16px;border:2px solid var(--brand);border-radius:10px}.skip-link:focus{top:12px}.site-header{position:fixed;inset:0 0 auto;z-index:1000}.top-fence{height:24px;background:var(--deep);color:var(--cream);font-size:12px}.top-fence-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:inherit;min-height:24px;padding:0 6px;cursor:pointer}.field-gate{height:72px;background:rgba(244,251,244,.98);border-bottom:1px solid var(--border)}.field-gate-inner{height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.brand-mark{justify-self:start;display:flex;align-items:center;min-height:44px}.brand-logo,.basket-logo,.footer-logo{height:34px;width:auto;object-fit:contain;object-position:left center}.brand-fallback{font-weight:900;font-size:24px;color:var(--deep)}.gate-button{min-height:44px;border-radius:12px;padding:0 18px;border:1px solid var(--border-strong);display:inline-flex;align-items:center;justify-content:center;font-weight:800}.basket-open{justify-self:center;background:linear-gradient(135deg,var(--bright) 0%,var(--brand) 55%,var(--deep) 100%);color:var(--white);cursor:pointer}.app-link{justify-self:end;background:var(--cream);color:var(--deep)}.ridge-nav{height:48px;background:var(--soft);border-bottom:1px solid var(--border)}.ridge-nav-inner{height:100%;display:flex;align-items:center;justify-content:center;gap:18px}.ridge-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 16px;border-radius:10px;color:var(--deep);font-weight:800}.ridge-nav a.active{background:var(--brand);color:var(--white)}.page-main{padding-top:calc(var(--top) + 28px);min-height:70vh}.page-hero,.section-card,.content-card,.note-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.page-hero{padding:clamp(22px,4vw,44px);margin-bottom:24px}.eyebrow{margin:0 0 6px;color:var(--brand);font-weight:900;letter-spacing:.08em;font-size:13px}.page-hero h1{font-size:clamp(28px,4vw,32px);line-height:1.25;margin:0 0 14px;color:var(--title)}.lead{font-size:17px;color:var(--muted);max-width:860px;margin:0}.page-section{padding:20px 0}.section-head{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:16px}.section-head h2{margin:0;color:var(--title);font-size:clamp(23px,3vw,28px)}.section-head p{margin:0;color:var(--muted);max-width:680px}.media-frame{background:var(--deep);border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:180px;max-height:240px}.media-frame img{width:100%;height:100%;max-height:240px;object-fit:contain;object-position:center}.media-placeholder{background:linear-gradient(135deg,var(--deep),var(--brand));position:relative}.media-placeholder:after{content:"51 吃瓜";color:var(--cream);font-weight:900;letter-spacing:.18em}.banner-frame{width:100%;min-height:220px;max-height:320px;background:var(--deep);border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden}.banner-frame img{width:100%;height:100%;max-height:320px;object-fit:contain;object-position:center}.app-frame{max-height:420px;min-height:300px;background:var(--deep)}.app-frame img{max-height:420px;object-fit:contain}.grid-2,.grid-3,.grid-4,.grid-6{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))}.grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}.content-card,.section-card,.note-card{padding:22px}.content-card h3,.section-card h3,.note-card h3{margin:0 0 10px;color:var(--title);font-size:20px}.content-card p,.section-card p,.note-card p{margin:0;color:var(--text)}.content-card p+p,.section-card p+p,.note-card p+p{margin-top:12px}.card-link{display:inline-flex;margin-top:16px;color:var(--brand);font-weight:900;min-height:44px;align-items:center}.hero-copy{padding-top:18px}.hero-copy h2{margin:0 0 10px;color:var(--title);font-size:18px}.hero-copy .hero-main{font-size:clamp(25px,4vw,31px);line-height:1.35;font-weight:900;color:var(--deep);margin:0 0 12px}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.btn{min-height:44px;padding:10px 18px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-weight:900;border:1px solid transparent}.btn-primary{background:linear-gradient(135deg,var(--bright) 0%,var(--brand) 55%,var(--deep) 100%);color:var(--white)}.btn-secondary{background:var(--cream);border-color:var(--border-strong);color:var(--deep)}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:58px 1fr;gap:16px;align-items:start;padding:18px;background:var(--white);border:1px solid var(--border);border-radius:14px}.big-number{font-size:30px;line-height:1;font-weight:950;color:var(--brand)}.number-item h3{margin:0 0 6px;color:var(--title)}.number-item p{margin:0}.rack-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.rack-item{background:var(--white);border:1px solid var(--border);border-left:5px solid var(--brand);border-radius:14px;padding:18px}.rack-item h3{margin:0 0 6px;color:var(--title)}.rack-item p{margin:0}.timeline{position:relative;display:grid;gap:16px;margin-left:8px}.timeline:before{content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;background:var(--border-strong)}.timeline-item{position:relative;padding:18px 18px 18px 46px;background:var(--white);border:1px solid var(--border);border-radius:14px}.timeline-item:before{content:"";position:absolute;left:7px;top:25px;width:14px;height:14px;border-radius:50%;background:var(--brand);border:3px solid var(--cream)}.status{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--deep);font-size:13px;font-weight:900}.long-strip{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:start;background:var(--white);border:1px solid var(--border);border-radius:14px;padding:20px}.long-strip strong{color:var(--brand);font-size:18px}.opinion{border-left:5px solid var(--gold)}.opinion-label{display:inline-flex;font-size:12px;font-weight:900;background:var(--deep);color:var(--white);padding:3px 9px;border-radius:999px;margin-bottom:8px}.notice{background:var(--deep);color:var(--white);border-radius:14px;padding:18px}.notice h2,.notice h3{color:var(--white);margin-top:0}.notice p{color:var(--white)}.faq-list{display:grid;gap:14px}.faq-item{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:20px}.faq-item h2,.faq-item h3{margin:0 0 8px;color:var(--title)}.faq-item p{margin:0}.terms h2{font-size:22px;color:var(--title);margin:0 0 10px}.terms p{margin:0 0 14px}.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0}.tag{display:inline-flex;align-items:center;min-height:34px;padding:5px 11px;background:var(--deep-bg);color:var(--deep);border-radius:999px;font-size:13px;font-weight:800}.site-footer{background:var(--deep);color:var(--soft);margin-top:48px;padding:42px 0 calc(32px + env(safe-area-inset-bottom))}.footer-inner{display:grid;gap:26px}.footer-brand{display:flex;align-items:center;gap:14px}.footer-en{margin:0;color:var(--leaf);font-weight:900;letter-spacing:.08em}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.footer-grid section{display:flex;flex-direction:column;gap:8px}.footer-grid h2{font-size:15px;margin:0 0 4px;color:var(--white)}.footer-grid a{color:var(--soft);min-height:32px}.footer-note{margin:0;color:var(--soft);max-width:980px}.copyright{margin:0;color:var(--leaf);font-size:13px}.page-overlay{position:fixed;inset:0;background:rgba(15,61,36,.54);z-index:1400;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.basket-panel{position:fixed;z-index:1500;left:50%;bottom:0;transform:translate(-50%,110%);width:min(720px,100%);max-height:70vh;background:var(--cream);border-radius:20px 20px 0 0;box-shadow:0 -18px 60px rgba(15,61,36,.22);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s ease;overflow:auto}.basket-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.basket-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;background:rgba(244,251,244,.98);border-bottom:1px solid var(--border)}.basket-brand{display:flex;align-items:center;gap:12px}.basket-brand div{display:flex;flex-direction:column}.basket-brand span{font-size:12px;color:var(--assist)}.panel-close{min-height:44px;padding:8px 14px;border-radius:12px;border:1px solid var(--border-strong);background:var(--white);color:var(--deep);cursor:pointer;font-weight:900}.basket-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:18px}.basket-groups section{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:16px}.basket-groups h2{font-size:15px;margin:0 0 10px;color:var(--brand)}.basket-groups a{display:block;padding:10px;border-radius:10px}.basket-groups a:hover,.basket-groups a:focus-visible{background:var(--deep-bg)}.basket-groups a strong{display:block;color:var(--title)}.basket-groups a span{display:block;color:var(--muted);font-size:13px;line-height:1.5}.search-layer{position:fixed;z-index:1510;top:96px;left:50%;width:min(760px,calc(100% - 32px));transform:translate(-50%,-16px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:var(--cream);border:1px solid var(--border);border-radius:0 0 18px 18px;box-shadow:var(--shadow);padding:20px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.search-head h2{margin:0;color:var(--title);font-size:22px}.search-visual{margin:18px 0;background:var(--white);border:1px solid var(--border-strong);border-radius:12px;min-height:48px;padding:8px 12px;color:var(--assist);display:flex;align-items:center;gap:10px}.search-visual input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--deep);font-size:16px}.search-visual span{font-size:13px;white-space:nowrap}.search-presets{display:flex;flex-wrap:wrap;gap:10px}.search-presets a{min-height:44px;display:inline-flex;align-items:center;padding:8px 14px;background:var(--soft);color:var(--deep);border-radius:12px;font-weight:900}.mobile-bottom-nav{display:none}.modal-open{overflow:hidden}.content-prose{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:clamp(22px,4vw,34px);box-shadow:var(--shadow)}.content-prose h2{color:var(--title);font-size:22px;margin:28px 0 10px}.content-prose h2:first-child{margin-top:0}.content-prose p{margin:0 0 14px}.content-prose ul{padding-left:1.2em}.content-prose li+li{margin-top:8px}.index-section{padding:24px 0}.index-section .section-card{box-shadow:none}.index-section.alt{background:var(--deep-bg);margin:0 calc(50% - 50vw);padding-left:max(16px,calc((100vw - var(--max))/2));padding-right:max(16px,calc((100vw - var(--max))/2))}.index-section.deep{background:var(--deep);color:var(--white);margin:0 calc(50% - 50vw);padding-left:max(16px,calc((100vw - var(--max))/2));padding-right:max(16px,calc((100vw - var(--max))/2))}.index-section.deep .section-head h2,.index-section.deep .section-head p{color:var(--white)}.index-section.deep .content-card{box-shadow:none}.icon-row{display:flex;gap:16px;align-items:center}.app-icon{width:64px;height:64px;object-fit:contain}.hero-layout{display:grid;grid-template-columns:1fr;gap:18px}.product-layout{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:26px;align-items:start}.legal-links{display:flex;flex-wrap:wrap;gap:10px}.legal-links a{min-height:44px;display:inline-flex;align-items:center;padding:8px 14px;border-radius:12px;background:var(--white);border:1px solid var(--border);font-weight:800}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
@media (max-width:900px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.grid-6{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-layout{grid-template-columns:1fr}.long-strip{grid-template-columns:120px 1fr}}
@media (max-width:700px){:root{--top:96px}.shell{width:min(calc(100% - 32px),var(--max))}.ridge-nav{display:none}.field-gate-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:6px}.brand-logo{height:28px;max-width:128px}.brand-fallback{font-size:20px}.gate-button{padding:0 10px;font-size:14px}.app-link{white-space:nowrap}.page-main{padding-top:calc(var(--top) + 20px);padding-bottom:70px}.grid-2,.grid-3,.grid-4,.grid-6,.rack-list{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.basket-panel{max-height:78vh}.basket-groups{grid-template-columns:1fr}.search-layer{inset:0;width:100%;transform:none;background:var(--deep);padding:20px 16px;opacity:0}.search-layer.is-open{transform:none}.search-card{height:100%;background:var(--deep);color:var(--cream);border-radius:0;border:0;box-shadow:none;padding:calc(18px + env(safe-area-inset-top)) 0 18px}.search-head h2{color:var(--white)}.search-visual{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:var(--soft)}.search-visual input{color:var(--white)}.search-visual input::placeholder{color:var(--soft)}.search-presets a{background:var(--soft);color:var(--deep)}.mobile-bottom-nav{display:grid;position:fixed;z-index:900;left:0;right:0;bottom:0;grid-template-columns:repeat(5,1fr);background:var(--white);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{min-height:50px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:var(--deep)}.mobile-bottom-nav a.active{background:var(--brand);color:var(--white)}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.number-item{grid-template-columns:44px 1fr}.big-number{font-size:26px}.long-strip{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.page-hero{padding:22px}.banner-frame{min-height:180px}.index-section.alt,.index-section.deep{padding-left:16px;padding-right:16px}}
@media (max-width:430px){.mini-brand{max-width:68%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.gate-button{font-size:13px}.app-link{padding:0 8px}.basket-open{padding:0 12px}.footer-grid{grid-template-columns:1fr}}