:root{--c-primary:#bffb4f;--c-dark:#111;--c-text:#1a1a1a;--c-sub:#555;--c-muted:#999;--c-border:#e6e6e6;--c-bg:#fff;--c-surface:#f7f7f7}*,:after,:before{box-sizing:border-box;margin:0}html{scroll-behavior:smooth}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.wrap{width:min(1200px,90%);margin:0 auto}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:hsla(0,0%,100%,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-size:20px;font-weight:900;letter-spacing:-.3px}.brand small{font-weight:500;font-size:12px;color:var(--c-muted);margin-left:8px}.header-right{display:flex;align-items:center;gap:28px}.nav{display:flex;gap:24px}.nav a{font-size:14px;font-weight:600;color:#444;position:relative;transition:color .15s}.nav a.active,.nav a:hover{color:var(--c-dark)}.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--c-primary);border-radius:1px}.auth{display:flex;gap:8px}.auth a{height:34px;padding:0 16px;border-radius:999px;display:inline-flex;align-items:center;font-size:13px;font-weight:700;border:1px solid transparent;transition:all .15s}.auth-login{border-color:#d4d4d4}.auth-login:hover{border-color:#bbb}.auth-reg{background:var(--c-primary);border-color:#a8de41}.auth-reg:hover{filter:brightness(.97)}.hero{padding:56px 0 0;display:grid;grid-template-columns:1fr 340px;grid-gap:20px;gap:20px;align-items:start}.hero-content{max-width:680px}.hero-badge{display:inline-block;padding:4px 14px;border-radius:999px;background:var(--c-primary);font-size:12px;font-weight:700;border:1px solid #a8de41;margin-bottom:18px}.hero h1{font-size:clamp(2.6rem,5vw,3.6rem);line-height:1.12;letter-spacing:-1.2px;font-weight:900}.hero-desc{margin-top:16px;font-size:17px;line-height:1.7;color:var(--c-sub);max-width:560px}.trust-bar{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;grid-gap:8px 20px;gap:8px 20px;list-style:none;padding:0}.trust-bar li{font-size:13px;color:#333;padding-left:20px;position:relative}.trust-bar li:before{content:"";position:absolute;left:0;top:5px;width:10px;height:10px;border-radius:50%;background:var(--c-primary);border:1px solid #95c93d}.hero-actions{margin-top:28px;display:flex;gap:10px;flex-wrap:wrap}.btn{height:44px;padding:0 22px;border-radius:10px;font-size:14px;font-weight:700;display:inline-flex;align-items:center;border:1px solid transparent;cursor:pointer;transition:all .15s}.btn-primary{background:var(--c-primary);border-color:#a8de41}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(191,251,79,.25)}.btn-ghost{border-color:#ccc}.btn-ghost:hover{border-color:#aaa}.hero-stats{display:flex;flex-direction:column;gap:12px;padding-top:12px}.stat-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:16px;padding:22px 24px}.stat-card span{font-size:12px;color:var(--c-muted);display:block}.stat-card strong{display:block;margin-top:6px;font-size:36px;font-weight:900;letter-spacing:-1px;line-height:1}.sec{padding:72px 0 0}.sec-label{font-size:12px;font-weight:700;text-transform:uppercase;color:var(--c-muted);letter-spacing:1px;margin-bottom:6px}.sec-title{font-size:clamp(2rem,3.5vw,2.8rem);font-weight:900;letter-spacing:-.6px;line-height:1.15}.sec-desc{margin-top:8px;color:var(--c-sub);font-size:16px;max-width:540px}.bento{margin-top:32px;display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:minmax(180px,auto);grid-gap:14px;gap:14px}.bento-item{background:var(--c-surface);border:1px solid var(--c-border);border-radius:18px;padding:28px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;transition:transform .2s,box-shadow .2s}.bento-item:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.07)}.bento-item h3{font-size:20px;font-weight:800;margin-bottom:6px}.bento-item p{font-size:14px;color:var(--c-sub);line-height:1.6}.bento-item:first-child{grid-column:1/8;grid-row:1/3;background:linear-gradient(180deg,rgba(0,0,0,.15),rgba(0,0,0,.65)),url(/images/huodongzuju.png) 50% /cover no-repeat;color:#fff}.bento-item:first-child p{color:hsla(0,0%,100%,.7)}.bento-item:first-child h3{font-size:26px}.bento-item:nth-child(2),.bento-item:nth-child(3){grid-column:8/13}.bento-item:nth-child(4){grid-column:1/5}.bento-item:nth-child(5){grid-column:5/9}.bento-item:nth-child(6){grid-column:9/13}.bento-item .deco{position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:12px;background:rgba(191,251,79,.18);border:1px solid rgba(168,222,65,.35)}.bento-item:first-child .deco{background:rgba(191,251,79,.2);border-color:rgba(191,251,79,.3);width:56px;height:56px;border-radius:16px}.news-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.news-tabs{display:flex;gap:6px}.news-tab{height:32px;padding:0 14px;border-radius:999px;border:1px solid #ddd;background:#fff;color:#444;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}.news-tab.active{background:var(--c-primary);border-color:#a8de41;color:var(--c-dark)}.news-layout{margin-top:24px;display:grid;grid-template-columns:1.4fr 1fr;grid-gap:14px;gap:14px}.news-featured{background:linear-gradient(180deg,rgba(0,0,0,.2),rgba(0,0,0,.7)),url(/images/guanwangshengji.png) 50% /cover 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p{font-size:13px;color:var(--c-sub);line-height:1.5}.join-layout{margin-top:24px;display:grid;grid-template-columns:1fr 2fr;grid-gap:14px;gap:14px}.join-sidebar{background:linear-gradient(180deg,rgba(0,0,0,.25),rgba(0,0,0,.7)),url(/images/hezuojiameng.png) 50% /cover no-repeat;color:#fff;border-radius:18px;padding:32px;display:flex;flex-direction:column;justify-content:space-between;min-height:360px}.join-sidebar h3{font-size:22px;font-weight:800}.join-sidebar p{color:hsla(0,0%,100%,.65);margin-top:10px;font-size:14px;line-height:1.7}.join-sidebar .btn{margin-top:20px;align-self:flex-start}.join-cards{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.join-card{border:1px solid var(--c-border);border-radius:14px;padding:24px;background:#fff;transition:transform .15s,box-shadow .15s}.join-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.06)}.join-card h3{font-size:16px;font-weight:700;margin-bottom:6px}.join-card p{font-size:13px;color:var(--c-sub);line-height:1.6}.contact-bar{margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px}.contact-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:14px;padding:24px;display:flex;flex-direction:column;justify-content:center;min-height:100px}.contact-card span{font-size:12px;color:var(--c-muted)}.contact-card strong{font-size:17px;font-weight:700;margin-top:6px}.auth-overlay{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.45);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center}.auth-modal{background:#fff;border-radius:20px;width:400px;max-width:92vw;padding:36px 32px 28px;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.15)}.auth-close{position:absolute;top:16px;right:16px;background:none;border:none;cursor:pointer;color:#999;padding:4px;display:flex;transition:color .15s}.auth-close:hover{color:#333}.auth-tabs{display:flex;gap:0;margin-bottom:28px;border-bottom:1px solid var(--c-border)}.auth-tab{flex:1 1;padding:10px 0;font-size:15px;font-weight:700;background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;color:var(--c-muted);transition:all .15s}.auth-tab.active{color:var(--c-dark);border-bottom-color:var(--c-primary)}.auth-field{margin-bottom:18px}.auth-field label{display:block;font-size:13px;font-weight:600;color:#444;margin-bottom:6px}.auth-field input[type=tel],.auth-field input[type=text]{width:100%;height:44px;padding:0 14px;border:1px solid var(--c-border);border-radius:10px;font-size:15px;outline:none;transition:border-color .15s}.auth-field input:focus{border-color:#a8de41}.auth-code-row{display:flex;gap:10px}.auth-code-row input{flex:1 1}.auth-send-btn{height:44px;padding:0 16px;border-radius:10px;border:1px solid var(--c-border);background:#fff;font-size:13px;font-weight:700;color:var(--c-dark);cursor:pointer;white-space:nowrap;transition:all .15s}.auth-send-btn:hover:not(:disabled){border-color:#a8de41;background:#f9fce6}.auth-send-btn:disabled{color:var(--c-muted);cursor:not-allowed}.auth-agree{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--c-sub);margin-bottom:16px;cursor:pointer}.auth-agree input{margin-top:2px;accent-color:#a8de41}.auth-error{background:#fff0f0;border:1px solid #ffd4d4;border-radius:8px;padding:8px 12px;font-size:13px;color:#d32f2f;margin-bottom:14px}.auth-submit{width:100%;height:46px;border-radius:10px;border:none;background:var(--c-primary);font-size:15px;font-weight:800;color:var(--c-dark);cursor:pointer;transition:all .15s}.auth-submit:hover:not(:disabled){filter:brightness(.97);transform:translateY(-1px)}.auth-submit:disabled{opacity:.5;cursor:not-allowed}.auth-switch{text-align:center;font-size:13px;color:var(--c-muted);margin-top:18px}.auth-switch button{background:none;border:none;color:var(--c-dark);font-weight:700;cursor:pointer;text-decoration:underline}.user-info{gap:10px}.user-avatar,.user-info{display:flex;align-items:center}.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--c-primary);justify-content:center;font-size:13px;font-weight:800}.user-name{font-size:13px;font-weight:600}.user-logout{background:none;border:1px solid var(--c-border);border-radius:999px;padding:4px 12px;font-size:12px;cursor:pointer;color:var(--c-muted);transition:all .15s}.user-logout:hover{border-color:#d32f2f;color:#d32f2f}.site-footer{border-top:1px solid var(--c-border);padding:24px 0;margin-top:48px;font-size:13px;color:var(--c-muted)}@media (max-width:960px){.hero{grid-template-columns:1fr}.hero-stats{flex-direction:row;gap:12px}.stat-card{flex:1 1}.bento{grid-template-columns:1fr 1fr;grid-auto-rows:auto}.bento-item:first-child{grid-column:1/-1;grid-row:auto}.bento-item:nth-child(2),.bento-item:nth-child(3),.bento-item:nth-child(4),.bento-item:nth-child(5),.bento-item:nth-child(6){grid-column:auto}.join-layout,.news-layout{grid-template-columns:1fr}.join-sidebar{min-height:auto}}@media (max-width:640px){.header-inner{flex-wrap:wrap;height:auto;padding:10px 0;gap:8px}.header-right{width:100%;justify-content:space-between}.nav{gap:14px;overflow-x:auto;white-space:nowrap}.brand small{display:none}.hero h1{font-size:2.2rem}.hero-stats{flex-direction:column}.bento,.contact-bar,.join-cards,.trust-bar{grid-template-columns:1fr}}