:root{--brand1:#1677ff;--brand2:#0958d9;--grad:linear-gradient(120deg,#1677ff 0%,#0958d9 100%);--grad-soft:#e6f0ff;--blue:#1677ff;--blue-dark:#0958d9;--blue-soft:#e6f0ff;--ink:#0f172a;--text:#334155;--muted:#94a3b8;--line:#e2e8f0;--bg:#f8fafc;--surface:#ffffff;--price:#f97316;--nav-h:62px;--shadow:0 10px 30px rgba(15,23,42,.08);--radius:14px}
*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}ul{list-style:none}header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.nav{height:var(--nav-h);display:flex;align-items:center;padding:0 32px;gap:28px}.logo{display:flex;align-items:center;gap:9px;font-size:22px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:.5px}.logo .cloud{font-size:26px;color:var(--blue)}.nav-menu{display:flex;align-items:center;gap:26px;font-size:15px}.nav-menu a{position:relative;padding:18px 0;color:#475569;display:flex;align-items:center;gap:5px;transition:color .2s}.nav-menu a:hover{color:var(--brand1)}.nav-menu a.active{color:var(--brand1);font-weight:600}.nav-menu a.open{color:var(--brand1);font-weight:600}.nav-menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--grad);border-radius:2px 2px 0 0}.nav-menu a .arr{font-size:10px;color:var(--muted);margin-left:-2px;transition:transform .2s}.nav-menu a.open .arr,.nav-menu a:hover .arr{color:var(--brand1)}.nav-menu a.open .arr{transform:rotate(180deg)}.hot{background:var(--price);color:#fff;font-size:10px;padding:1px 5px;border-radius:4px;font-weight:700;line-height:1.4}.rec{background:#06b6d4;color:#fff;font-size:10px;padding:1px 5px;border-radius:4px;font-weight:700;line-height:1.4}.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px;font-size:14px;color:#475569}.nav-right a:hover{color:var(--brand1)}.nav-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:7px 12px;color:var(--muted);font-size:13px;background:#f8fafc;transition:border-color .2s}.nav-search:focus-within{border-color:var(--brand1)}.nav-search input{border:none;outline:none;background:transparent;font-size:13px;width:120px;color:var(--ink)}.btn-reg{background:var(--blue);color:#fff;padding:8px 18px;border-radius:10px;font-weight:600;box-shadow:0 4px 14px rgba(22,119,255,.3);transition:transform .15s,box-shadow .2s}.btn-reg:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(79,70,229,.4);color:#fff}
.mega-wrap{position:absolute;top:var(--nav-h);left:0;right:0;z-index:60;display:none}.mega-wrap.open{display:block}.mega-backdrop{position:fixed;inset:var(--nav-h) 0 0 0;background:rgba(15,23,42,.18);z-index:-1}.mega-panel{display:flex;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);box-shadow:var(--shadow);border-top:1px solid var(--line);min-height:430px;overflow:hidden}.mega-left{width:248px;background:var(--grad-soft);padding:24px 0;flex-shrink:0}.mega-left h2{font-size:20px;font-weight:800;color:var(--ink);padding:0 24px 14px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.mega-nav li{font-size:14px}.mega-nav a{display:flex;align-items:center;justify-content:space-between;padding:11px 24px;color:#475569;transition:background .15s,color .15s}.mega-nav a:hover{background:#e0e7ff;color:var(--brand1)}.mega-nav a.active{background:var(--brand1);color:#fff;font-weight:600}.mega-nav a .hot{background:#fff;color:var(--brand1);font-size:10px;padding:1px 5px;border-radius:3px;font-weight:700}.mega-nav a.active .hot{background:rgba(255,255,255,.25);color:#fff}.mega-right{flex:1;padding:22px 26px;position:relative}.mega-close{position:absolute;top:14px;right:18px;width:26px;height:26px;border-radius:50%;background:#f1f5f9;color:#64748b;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px}.mega-search{display:flex;align-items:center;gap:8px;background:#f1f5f9;border-radius:8px;padding:8px 12px;margin-bottom:14px}.mega-search input{border:none;background:transparent;outline:none;flex:1;font-size:13px}.mega-tags{display:flex;gap:8px;margin-bottom:14px}.mega-tag{padding:5px 12px;border-radius:14px;background:#f1f5f9;color:#475569;font-size:13px;cursor:pointer}.mega-tag.active{background:var(--grad);color:#fff}.mega-body{display:flex;gap:26px}.mega-col{flex:1}.mega-col-title{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}.mega-col-title .more{font-size:12px;color:var(--blue);cursor:pointer}.rec-list{display:flex;flex-direction:column;gap:10px}.rec-item{display:flex;gap:12px;padding:12px;border-radius:10px;background:#f8fafc;transition:background .15s}.rec-item:hover{background:#eef4ff}.rec-num{width:26px;height:26px;border-radius:50%;background:var(--grad);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.rec-text h4{font-size:14px;color:var(--ink);margin-bottom:3px}.rec-text p{font-size:12px;color:#64748b;line-height:1.5}.news-list{display:flex;flex-direction:column;gap:9px}.news-item{font-size:13px;color:#475569;display:flex;gap:8px;cursor:pointer}.news-item:hover{color:var(--brand1)}.news-item span{color:var(--blue);font-weight:700}.mega-tabs{display:flex;gap:6px;margin-bottom:14px}.mega-tabs a{padding:5px 12px;border-radius:14px;background:#f1f5f9;color:#475569;font-size:13px}.mega-tabs a.active{background:var(--grad);color:#fff}.mega-simple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mega-simple-grid.col-2{grid-template-columns:repeat(2,1fr)}.mega-simple-item{padding:14px;border-radius:10px;background:#f8fafc;transition:background .15s}.mega-simple-item:hover{background:#eef4ff}.mega-simple-item h4{font-size:14px;color:var(--ink);margin-bottom:5px;display:flex;align-items:center;gap:6px}.mega-simple-item h4 .badge{font-size:10px;background:#1677ff;color:#fff;padding:2px 6px;border-radius:4px}.mega-simple-item p{font-size:12px;color:#64748b;line-height:1.5}

/* ===== 推介计划宣传页原创样式 ===== */
.ref-hero{position:relative;background:linear-gradient(135deg,#f0f7ff 0%,#ffffff 55%,#f5f9ff 100%);padding:90px 0 110px;overflow:hidden}
.ref-hero::before{content:"";position:absolute;right:-10%;top:-20%;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,rgba(22,119,255,.10) 0%,transparent 70%);pointer-events:none}
.ref-hero::after{content:"";position:absolute;left:5%;bottom:-30%;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,.08) 0%,transparent 70%);pointer-events:none}
.ref-hero-inner{max-width:1280px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;position:relative;z-index:1}
.ref-hero h1{font-size:46px;font-weight:900;color:var(--ink);line-height:1.15;letter-spacing:-.5px}
.ref-hero h1 span{color:var(--brand1);position:relative;display:inline-block}
.ref-hero h1 span::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:rgba(22,119,255,.18);border-radius:4px;z-index:-1}
.ref-hero .lead{font-size:18px;color:#475569;margin:22px 0 32px;max-width:520px;line-height:1.7}
.ref-hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-prime{background:var(--grad);color:#fff;padding:13px 28px;border-radius:12px;font-size:15px;font-weight:700;box-shadow:0 10px 24px rgba(22,119,255,.28);transition:transform .2s,box-shadow .2s;display:inline-flex;align-items:center;gap:6px}
.btn-prime:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(22,119,255,.35)}
.btn-second{background:#fff;color:var(--brand1);border:1.5px solid var(--brand1);padding:13px 28px;border-radius:12px;font-size:15px;font-weight:700;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.btn-second:hover{background:var(--blue-soft)}
.ref-hero-stats{display:flex;gap:28px;margin-top:32px;padding-top:24px;border-top:1px dashed var(--line)}
.ref-hero-stats .item{text-align:left}
.ref-hero-stats .num{font-size:28px;font-weight:800;color:var(--ink);line-height:1}
.ref-hero-stats .num span{color:var(--brand1)}
.ref-hero-stats .lbl{font-size:13px;color:var(--muted);margin-top:6px}
.ref-hero-visual{position:relative;height:420px;display:flex;align-items:center;justify-content:center}
.hero-orbit{position:absolute;width:340px;height:340px;border-radius:50%;border:1px dashed rgba(22,119,255,.25);animation:spin 28s linear infinite}
.hero-orbit:nth-child(2){width:260px;height:260px;animation-direction:reverse;animation-duration:22s}
.hero-core{position:relative;width:160px;height:160px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;box-shadow:0 20px 60px rgba(22,119,255,.3);z-index:2}
.hero-core::before{content:"";position:absolute;inset:-20px;border-radius:50%;border:2px solid rgba(22,119,255,.12)}
.hero-core .emoji{font-size:64px;filter:drop-shadow(0 4px 12px rgba(0,0,0,.15));color:#fff}
.hero-node{position:absolute;width:56px;height:56px;border-radius:50%;background:#fff;box-shadow:0 8px 24px rgba(15,23,42,.12);display:flex;align-items:center;justify-content:center;font-size:26px;z-index:3;color:var(--brand1)}.hero-node i{font-size:22px}
.hero-node.n1{top:18%;left:20%}
.hero-node.n2{top:10%;right:22%}
.hero-node.n3{bottom:16%;left:14%}
.hero-node.n4{bottom:22%;right:18%}
.hero-float{position:absolute;width:90px;height:90px;border-radius:20px;background:rgba(22,119,255,.06);transform:rotate(45deg);animation:float 6s ease-in-out infinite}
.hero-float.f1{top:8%;right:10%;animation-delay:0s}
.hero-float.f2{bottom:12%;left:8%;width:60px;height:60px;animation-delay:2s}
.hero-float.f3{top:40%;right:4%;width:40px;height:40px;animation-delay:4s}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float{0%,100%{transform:rotate(45deg) translateY(0)}50%{transform:rotate(45deg) translateY(-16px)}}

.ref-section{padding:70px 0}
.ref-section.alt{background:#fff}
.ref-sec-inner{max-width:1280px;margin:0 auto;padding:0 32px}
.ref-sec-head{text-align:center;margin-bottom:46px}
.ref-sec-head h2{font-size:32px;font-weight:800;color:var(--ink);margin-bottom:12px}
.ref-sec-head p{color:var(--muted);font-size:15px;max-width:560px;margin:0 auto}
.ref-sec-head .tagline{display:inline-flex;align-items:center;gap:8px;background:var(--blue-soft);color:var(--blue-dark);padding:6px 14px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:14px}

/* 数据条 */
.ref-data-bar{background:var(--grad);padding:36px 0}
.ref-data-bar-inner{max-width:1280px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ref-data-bar .item{text-align:center;color:#fff;position:relative}
.ref-data-bar .item:not(:last-child)::after{content:"";position:absolute;right:0;top:10%;height:80%;width:1px;background:rgba(255,255,255,.2)}
.ref-data-bar .num{font-size:34px;font-weight:800;line-height:1}
.ref-data-bar .lbl{font-size:14px;opacity:.9;margin-top:8px}

/* 等级佣金 */
.ref-tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ref-tier-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;text-align:center;transition:transform .2s,box-shadow .2s,border-color .2s;position:relative;overflow:hidden}
.ref-tier-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(15,23,42,.1);border-color:var(--brand1)}
.ref-tier-card .badge{position:absolute;top:12px;right:12px;background:var(--blue-soft);color:var(--brand1);font-size:11px;padding:3px 8px;border-radius:10px;font-weight:700}
.ref-tier-card .icon{width:64px;height:64px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:30px;background:#f8fafc;border:1px solid var(--line);color:var(--brand1)}
.ref-tier-card .icon i{font-size:28px}
.ref-tier-card.bronze .icon{background:#fff7ed;border-color:#fed7aa}
.ref-tier-card.silver .icon{background:#f8fafc;border-color:#cbd5e1}
.ref-tier-card.gold .icon{background:#fefce8;border-color:#fde047}
.ref-tier-card.diamond .icon{background:#eff6ff;border-color:#93c5fd}
.ref-tier-card h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:6px}
.ref-tier-card .desc{font-size:12px;color:var(--muted);margin-bottom:18px}
.ref-tier-card .rate-main{font-size:36px;font-weight:900;color:var(--brand1);line-height:1}
.ref-tier-card .rate-main small{font-size:14px;font-weight:600}
.ref-tier-card .rate-label{font-size:12px;color:var(--muted);margin-top:4px}
.ref-tier-card .rate2{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:15px;font-weight:700;color:var(--price)}
.ref-tier-card.featured{border-color:var(--brand1);box-shadow:0 8px 30px rgba(22,119,255,.12)}
.ref-tier-card.featured::before{content:"最高档";position:absolute;top:0;left:0;right:0;background:var(--grad);color:#fff;font-size:11px;padding:4px 0;font-weight:700}
.ref-earn-note{margin-top:22px;padding:18px 22px;background:var(--blue-soft);border:1px solid #bfdbfe;border-radius:14px;font-size:14px;color:#1e3a8a;line-height:1.9;text-align:center}
.ref-earn-note b{color:var(--brand1)}

/* 优势 */
.ref-benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ref-benefit-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:all .2s;display:flex;gap:16px}
.ref-benefit-card:hover{border-color:var(--brand1);transform:translateY(-3px);box-shadow:0 12px 32px rgba(22,119,255,.1)}
.ref-benefit-card .ic{width:50px;height:50px;border-radius:12px;background:var(--blue-soft);color:var(--brand1);display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}
.ref-benefit-card:nth-child(2) .ic{background:#fef3c7;color:#d97706}
.ref-benefit-card:nth-child(3) .ic{background:#dcfce7;color:#16a34a}
.ref-benefit-card:nth-child(4) .ic{background:#fce7f3;color:#db2777}
.ref-benefit-card:nth-child(5) .ic{background:#f3e8ff;color:#9333ea}
.ref-benefit-card:nth-child(6) .ic{background:#ecfeff;color:#0891b2}
.ref-benefit-card h4{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:6px}
.ref-benefit-card p{font-size:13px;color:#64748b;line-height:1.7}

/* 流程 */
.ref-process{display:flex;gap:18px;counter-reset:step}
.ref-step{flex:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative;transition:all .2s}
.ref-step:hover{border-color:var(--brand1);box-shadow:0 10px 28px rgba(22,119,255,.1)}
.ref-step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:14px;right:18px;font-size:28px;font-weight:900;color:var(--blue-soft);line-height:1}
.ref-step .ic{width:48px;height:48px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.ref-step h4{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:8px}
.ref-step p{font-size:13px;color:#64748b;line-height:1.7}
.ref-step::after{content:"→";position:absolute;right:-20px;top:50%;transform:translateY(-50%);color:var(--brand1);font-size:20px;font-weight:700;z-index:1}
.ref-step:last-child::after{display:none}

/* 收益计算器 */
.ref-calc{background:linear-gradient(135deg,#f0f7ff,#ffffff);border-radius:24px;padding:46px;position:relative;overflow:hidden}
.ref-calc::before{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:rgba(22,119,255,.06)}
.ref-calc-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.ref-calc h3{font-size:24px;font-weight:800;color:var(--ink);margin-bottom:8px}
.ref-calc .sub{color:var(--muted);font-size:14px;margin-bottom:26px}
.ref-calc-field{margin-bottom:18px}
.ref-calc-field label{display:block;font-size:13px;color:var(--ink);font-weight:600;margin-bottom:8px}
.ref-calc-field input,.ref-calc-field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:14px;outline:none;transition:border-color .2s}
.ref-calc-field input:focus,.ref-calc-field select:focus{border-color:var(--brand1)}
.ref-calc-result{background:#fff;border-radius:18px;padding:28px;border:1px solid var(--line);box-shadow:0 10px 30px rgba(15,23,42,.06)}
.ref-calc-result .row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.ref-calc-result .row:last-child{border-bottom:none}
.ref-calc-result .row.total{padding-top:18px}
.ref-calc-result .row.total .val{font-size:32px;font-weight:900;color:var(--price)}
.ref-calc-result .key{font-size:14px;color:#64748b}
.ref-calc-result .val{font-size:18px;font-weight:800;color:var(--ink)}

/* 推广方式 */
.ref-ways-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ref-way-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center;transition:all .2s}
.ref-way-card:hover{border-color:var(--brand1);transform:translateY(-4px);box-shadow:0 14px 36px rgba(22,119,255,.1)}
.ref-way-card .ic{width:64px;height:64px;border-radius:50%;background:var(--blue-soft);color:var(--brand1);display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 16px}
.ref-way-card h4{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:10px}
.ref-way-card p{font-size:13px;color:#64748b;line-height:1.7;margin-bottom:16px}
.ref-way-card .tag{display:inline-block;background:#f1f5f9;color:#475569;padding:5px 12px;border-radius:12px;font-size:12px}

/* FAQ */
.ref-faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.ref-faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.ref-faq-q{padding:18px 22px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:background .15s}
.ref-faq-q:hover{background:#f8fafc}
.ref-faq-q h4{font-size:15px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px}
.ref-faq-q h4 span{color:var(--brand1);font-weight:900}
.ref-faq-q .arr{font-size:14px;color:var(--muted);transition:transform .2s}
.ref-faq-item.open .arr{transform:rotate(180deg)}
.ref-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.ref-faq-item.open .ref-faq-a{max-height:300px;padding:0 22px 18px 48px}
.ref-faq-a p{font-size:14px;color:#64748b;line-height:1.8}

/* CTA */
.ref-cta{background:var(--grad);padding:70px 0;text-align:center;position:relative;overflow:hidden}
.ref-cta::before{content:"";position:absolute;left:-100px;top:-100px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.08)}
.ref-cta::after{content:"";position:absolute;right:-80px;bottom:-80px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.06)}
.ref-cta-inner{position:relative;z-index:1;max-width:760px;margin:0 auto;padding:0 32px}
.ref-cta h2{font-size:34px;font-weight:900;color:#fff;margin-bottom:14px}
.ref-cta p{font-size:16px;color:rgba(255,255,255,.9);margin-bottom:28px}
.ref-cta .btn-light{background:#fff;color:var(--brand1);padding:14px 34px;border-radius:12px;font-size:16px;font-weight:800;display:inline-flex;align-items:center;gap:8px;transition:transform .2s,box-shadow .2s}
.ref-cta .btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.15)}

/* footer */
.ft-top{background:#fff;border-top:1px solid var(--line)}
.ft-top-inner{max-width:1280px;margin:0 auto;padding:30px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ft-promise{display:flex;align-items:center;gap:12px}
.ft-promise .ic{width:40px;height:40px;border-radius:50%;background:var(--blue-soft);color:var(--brand1);display:flex;align-items:center;justify-content:center;font-size:18px}
.ft-promise h4{font-size:15px;font-weight:700;color:var(--ink)}
footer{background:#fff;color:var(--text);border-top:1px solid var(--line)}
.ft-inner{max-width:1280px;margin:0 auto;padding:50px 32px 30px;display:grid;grid-template-columns:2fr repeat(4,1fr);gap:40px}
.ft-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;margin-bottom:16px}
.ft-info p{font-size:13px;line-height:2;color:#64748b}
.ft-col h4{font-size:14px;color:var(--ink);margin-bottom:16px;font-weight:700}
.ft-col a{display:block;font-size:13px;color:#64748b;line-height:2.2;transition:color .15s}
.ft-col a:hover{color:var(--brand1)}
.ft-bottom{max-width:1280px;margin:0 auto;padding:20px 32px;border-top:1px solid var(--line);display:flex;gap:18px;align-items:center;flex-wrap:wrap;font-size:12px;color:#64748b}
.ft-bottom .tag{background:#f1f5f9;color:#475569;padding:2px 8px;border-radius:4px}
.cs{position:fixed;right:16px;bottom:100px;z-index:40;display:flex;flex-direction:column;align-items:center;gap:10px}
.cs-online{background:var(--grad);color:#fff;border-radius:26px;padding:10px 8px;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;width:58px;cursor:pointer;box-shadow:0 6px 18px rgba(79,70,229,.45)}
.cs-online .av{width:30px;height:30px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-size:16px}
.cs-icon{width:42px;height:42px;background:#fff;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:.15s}
.cs-icon:hover{border-color:var(--brand1);color:var(--brand1);transform:translateY(-2px)}

@media(max-width:980px){
  .ref-hero-inner{grid-template-columns:1fr;text-align:center}
  .ref-hero .lead{margin:22px auto 32px}
  .ref-hero-actions{justify-content:center}
  .ref-hero-stats{justify-content:center}
  .ref-hero-visual{height:320px}
  .ref-data-bar-inner{grid-template-columns:repeat(2,1fr)}
  .ref-data-bar .item:nth-child(2)::after{display:none}
  .ref-tier-grid{grid-template-columns:repeat(2,1fr)}
  .ref-benefits-grid{grid-template-columns:repeat(2,1fr)}
  .ref-process{flex-wrap:wrap}
  .ref-step{flex:1 1 45%;min-width:260px}
  .ref-step::after{display:none}
  .ref-calc-inner{grid-template-columns:1fr}
  .ref-ways-grid{grid-template-columns:repeat(2,1fr)}
  .ft-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav{padding:0 16px;gap:14px}
  .nav-menu{display:none}
  .ref-hero{padding:60px 0 70px}
  .ref-hero h1{font-size:32px}
  .ref-hero .lead{font-size:16px}
  .ref-hero-visual{height:260px}
  .hero-orbit{width:240px;height:240px}
  .hero-orbit:nth-child(2){width:180px;height:180px}
  .hero-core{width:110px;height:110px}
  .hero-core .emoji{font-size:44px}
  .ref-data-bar-inner{grid-template-columns:1fr}
  .ref-data-bar .item::after{display:none}
  .ref-tier-grid{grid-template-columns:1fr}
  .ref-benefits-grid{grid-template-columns:1fr}
  .ref-ways-grid{grid-template-columns:1fr}
  .ft-top-inner{grid-template-columns:1fr 1fr}
  .ft-inner{grid-template-columns:1fr}
}

.mega-tag:hover{background:#eef4ff;color:var(--brand1)}

/* 腾讯云风格线性图标（SVG）尺寸适配 */
.ym-ic{width:1em;height:1em;vertical-align:-0.125em;display:inline-block;flex-shrink:0}
.ref-tier-card .icon .ym-ic{width:30px;height:30px}
.ref-benefit-card .ic .ym-ic,.ref-way-card .ic .ym-ic,.ref-step .ic .ym-ic,.ft-promise .ic .ym-ic{width:24px;height:24px}
.hero-node .ym-ic{width:22px;height:22px}
.hero-core .ym-ic{width:56px;height:56px}
.cs-online .av .ym-ic{width:18px;height:18px}
.cs-icon .ym-ic{width:18px;height:18px}
.ref-hero-actions .btn-prime .ym-ic,.ref-hero-actions .btn-second .ym-ic{width:16px;height:16px}
.adv-visual .ym-ic-big{width:110px;height:110px}
.process-step .icon .ym-ic{width:30px;height:30px}
.ym-ic-big{width:1em;height:1em;vertical-align:-0.125em}

/* 当前会员等级高亮（登录后按 referral_profiles.level 标记） */
.ref-tier-card.current{border-color:var(--brand1);box-shadow:0 10px 30px rgba(22,119,255,.16);transform:translateY(-3px)}
.ref-tier-card.current .badge{background:var(--brand1);color:#fff}