: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)}*{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}.nav-right a{color:#475569;transition:color .2s}.nav-right a:hover{color:var(--brand1)}.nav-search{display:flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:10px;padding:7px 12px;background:#f8fafc;font-size:13px;color:#64748b;transition:border-color .2s,box-shadow .2s}.nav-search:focus-within{border-color:var(--brand1);box-shadow:0 0 0 3px rgba(22,119,255,.1)}.nav-search input{border:none;background:transparent;outline:none;width:120px;font-size:13px;color:var(--ink)}.btn-reg{background:var(--brand1);color:#fff;padding:8px 16px;border-radius:10px;font-weight:600;font-size:13px;transition:transform .2s,box-shadow .2s}.btn-reg:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(22,119,255,.25)}
/* 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}


/* ===== 页面公共 ===== */
.part-container{max-width:1180px;margin:0 auto;padding:0 24px}
.part-sec{padding:70px 0}
.part-sec.alt{background:#fff}
.part-head{text-align:center;margin-bottom:46px}
.part-head .tag{display:inline-block;background:#eaf2ff;color:var(--brand1);font-size:13px;font-weight:700;padding:5px 14px;border-radius:20px;margin-bottom:14px}
.part-head h2{font-size:32px;font-weight:800;color:var(--ink);margin-bottom:12px}
.part-head p{color:#64748b;font-size:15px;max-width:680px;margin:0 auto}

/* ===== Hero ===== */
.part-hero{background:linear-gradient(135deg,#f0f7ff 0%,#fff 55%,#f8fafc 100%);padding:64px 0 56px;position:relative;overflow:hidden}
.part-hero-inner{max-width:1180px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;position:relative;z-index:2}
.part-hero h1{font-size:46px;font-weight:800;color:var(--ink);line-height:1.15;margin-bottom:16px}
.part-hero .lead{font-size:17px;color:#475569;max-width:520px;margin-bottom:28px;line-height:1.7}
.part-hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-primary{background:var(--grad);color:#fff;padding:13px 26px;border-radius:10px;font-weight:700;font-size:15px;transition:transform .2s,box-shadow .2s;display:inline-flex;align-items:center;gap:6px}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(22,119,255,.28)}
.btn-ghost{background:#fff;color:var(--brand1);border:1.5px solid var(--brand1);padding:13px 26px;border-radius:10px;font-weight:700;font-size:15px;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.btn-ghost:hover{background:var(--brand1);color:#fff}
.part-hero-visual{position:relative;height:280px;display:flex;align-items:center;justify-content:center}
.part-hero-visual .cloud-core{width:140px;height:140px;border-radius:50%;background:linear-gradient(135deg,#fff 0%,#e6f0ff 100%);box-shadow:0 20px 60px rgba(22,119,255,.18);display:flex;align-items:center;justify-content:center;font-size:64px;position:relative;z-index:2}
.part-hero-visual .orbit{position:absolute;border-radius:50%;border:1px dashed rgba(22,119,255,.25)}
.part-hero-visual .orbit.o1{width:220px;height:220px;animation:spin 18s linear infinite}
.part-hero-visual .orbit.o2{width:300px;height:300px;animation:spin 26s linear infinite reverse}
.part-hero-visual .node{position:absolute;width:18px;height:18px;border-radius:50%;background:var(--brand1);box-shadow:0 0 0 6px rgba(22,119,255,.12)}
.part-hero-visual .node.n1{top:18%;left:24%}.part-hero-visual .node.n2{top:70%;left:18%}.part-hero-visual .node.n3{top:22%;right:22%}.part-hero-visual .node.n4{top:68%;right:18%}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== 子导航 ===== */
.part-tabs{position:sticky;top:var(--nav-h);z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 2px 8px rgba(15,23,42,.04)}
.part-tabs-inner{max-width:1180px;margin:0 auto;padding:0 24px;display:flex;gap:8px;overflow-x:auto}
.part-tabs a{flex-shrink:0;padding:14px 18px;font-size:14px;color:#64748b;font-weight:500;border-bottom:3px solid transparent;transition:all .15s;white-space:nowrap}
.part-tabs a:hover{color:var(--brand1)}
.part-tabs a.active{color:var(--brand1);border-color:var(--brand1);font-weight:700}

/* ===== 服务优势 ===== */
.adv-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);overflow:hidden;display:grid;grid-template-columns:1.1fr .9fr;min-height:340px}
.adv-visual{background:linear-gradient(135deg,#1677ff 0%,#0958d9 100%);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.adv-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.25),transparent 45%)}
.adv-visual .big-ic{font-size:120px;filter:drop-shadow(0 16px 30px rgba(0,0,0,.15));position:relative;z-index:2}
.adv-body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center}
.adv-body h3{font-size:24px;font-weight:800;color:var(--ink);margin-bottom:8px}
.adv-body .sub{color:#64748b;font-size:15px;margin-bottom:28px}
.adv-list{display:flex;flex-direction:column;gap:18px}
.adv-item{display:flex;gap:14px;align-items:flex-start}
.adv-item .dot{width:26px;height:26px;border-radius:50%;background:#eaf2ff;color:var(--brand1);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;margin-top:2px}
.adv-item h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:4px}
.adv-item p{font-size:14px;color:#64748b;line-height:1.6}

/* ===== 伙伴权益表格 ===== */
.benefit-wrap{background:#fff;border-radius:16px;box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--line)}
.benefit-table{width:100%;border-collapse:collapse;font-size:14px}
.benefit-table th{padding:18px 16px;text-align:center;font-weight:700;color:#fff;background:var(--grad)}
.benefit-table th:first-child{text-align:left;padding-left:24px;color:var(--ink);background:#f1f5f9;border-right:1px solid var(--line)}
.benefit-table td{padding:16px;text-align:center;border-bottom:1px solid var(--line);color:#475569}
.benefit-table td:first-child{text-align:left;padding-left:24px;font-weight:600;color:var(--ink);border-right:1px solid var(--line)}
.benefit-table tr:last-child td{border-bottom:none}
.benefit-table th.tier-silver{background:#64748b}.benefit-table th.tier-gold{background:#e08a00}.benefit-table th.tier-diamond{background:#1677ff}.benefit-table th.tier-platinum{background:#7c3aed}
.benefit-table th.tier-silver,.benefit-table th.tier-gold,.benefit-table th.tier-diamond,.benefit-table th.tier-platinum{color:#fff}
.benefit-table tbody td.tier-silver{background:#f8fafc}.benefit-table tbody td.tier-gold{background:#fff9f0}.benefit-table tbody td.tier-diamond{background:#f0f7ff}.benefit-table tbody td.tier-platinum{background:#f5f3ff}
.benefit-table .yes{color:#10b981;font-size:18px}.benefit-table .no{color:#cbd5e1;font-size:18px}
.benefit-table .pct{font-weight:800;color:var(--brand1)}

/* ===== 申请要求表格 ===== */
.req-wrap{background:#fff;border-radius:16px;box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--line)}
.req-table{width:100%;border-collapse:collapse;font-size:14px}
.req-table th{padding:18px 16px;text-align:center;background:#f1f5f9;color:var(--ink);font-weight:700;border-bottom:1px solid var(--line)}
.req-table th:first-child{text-align:left;padding-left:24px}
.req-table td{padding:16px;text-align:center;border-bottom:1px solid var(--line);color:#475569}
.req-table td:first-child{text-align:left;padding-left:24px;font-weight:600;color:var(--ink)}
.req-table tr:last-child td{border-bottom:none}
.req-table .tag{display:inline-block;background:#eaf2ff;color:var(--brand1);padding:2px 10px;border-radius:12px;font-size:12px;font-weight:700}
.req-table .tag.gold{background:#fff7e6;color:#fa8c16}.req-table .tag.dia{background:#f0f7ff;color:var(--brand1)}

/* ===== 申请流程 ===== */
.process-steps{display:flex;justify-content:space-between;position:relative;gap:20px}
.process-steps::before{content:"";position:absolute;top:34px;left:60px;right:60px;height:2px;background:linear-gradient(90deg,var(--brand1),#c7d2fe);z-index:0}
.process-step{flex:1;text-align:center;position:relative;z-index:1}
.process-step .icon{width:70px;height:70px;border-radius:50%;background:#fff;border:2px solid #c7d2fe;display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 16px;transition:all .2s;box-shadow:0 6px 18px rgba(22,119,255,.1)}
.process-step:hover .icon{border-color:var(--brand1);transform:translateY(-4px);box-shadow:0 10px 26px rgba(22,119,255,.2)}
.process-step .num{width:22px;height:22px;border-radius:50%;background:var(--brand1);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 10px}
.process-step h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px}
.process-step p{font-size:13px;color:#64748b;line-height:1.5}
.process-cta{text-align:center;margin-top:40px}

/* ===== FAQ ===== */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:box-shadow .2s}
.faq-item:hover{box-shadow:0 6px 20px rgba(15,23,42,.06)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;cursor:pointer;font-weight:700;color:var(--ink);font-size:15px;gap:12px}
.faq-q .q-icon{width:26px;height:26px;border-radius:6px;background:#eaf2ff;color:var(--brand1);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex-shrink:0}
.faq-q .toggle{width:22px;height:22px;display:flex;align-items:center;justify-content:center;color:#94a3b8;transition:transform .2s}
.faq-item.open .toggle{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease,padding .25s ease;color:#475569;font-size:14px;line-height:1.7}
.faq-item.open .faq-a{max-height:260px;padding:0 22px 18px 58px}

/* ===== CTA Banner ===== */
.part-cta{background:var(--grad);padding:56px 0;text-align:center;color:#fff;position:relative;overflow:hidden}
.part-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(255,255,255,.15),transparent 40%)}
.part-cta h2{font-size:28px;font-weight:800;margin-bottom:12px;position:relative;z-index:2}
.part-cta p{font-size:15px;opacity:.95;margin-bottom:26px;position:relative;z-index:2}
.part-cta .btn-ghost{border-color:#fff;color:#fff;background:rgba(255,255,255,.1)}
.part-cta .btn-ghost:hover{background:#fff;color:var(--brand1)}

/* ===== Footer ===== */
.ft-top{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ft-top-inner{max-width:1180px;margin:0 auto;padding:36px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ft-promise{display:flex;align-items:center;gap:14px}
.ft-promise .ic{width:44px;height:44px;border-radius:12px;background:#eaf2ff;color:var(--brand1);display:flex;align-items:center;justify-content:center;font-size:22px}
.ft-promise h4{font-size:15px;font-weight:700;color:var(--ink)}
footer{background:#fff;color:var(--text);border-top:1px solid var(--line);font-size:14px}
.ft-inner{max-width:1180px;margin:0 auto;padding:56px 24px 36px;display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:36px}
.ft-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;margin-bottom:18px}
.ft-info p{margin-bottom:8px;line-height:1.6;color:#64748b;font-size:13px}
.ft-info .qr{display:flex;gap:12px;margin-top:16px}
.ft-info .qr div{width:72px;height:72px;border-radius:8px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;color:#94a3b8;font-size:12px;text-align:center}
.ft-col h4{color:var(--ink);font-size:15px;font-weight:700;margin-bottom:16px}
.ft-col a{display:block;color:#64748b;font-size:13px;margin-bottom:10px;transition:color .15s}
.ft-col a:hover{color:var(--brand1)}
.ft-bottom{max-width:1180px;margin:0 auto;padding:20px 24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;color:#64748b;font-size:12px}
.ft-bottom .tag{background:#f1f5f9;color:#475569;padding:2px 8px;border-radius:4px}

/* ===== CS面板 ===== */
.cs{position:fixed;right:16px;bottom:100px;display:flex;flex-direction:column;gap:10px;z-index:60}
.cs-online{display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--grad);color:#fff;padding:10px 8px;border-radius:22px;font-size:11px;font-weight:600;box-shadow:0 8px 24px rgba(22,119,255,.3);cursor:pointer;width:52px}
.cs-online .av{width:28px;height:28px;border-radius:8px;background:#fff;color:var(--brand1);display:flex;align-items:center;justify-content:center;font-size:13px}
.cs-icon{width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;box-shadow:0 4px 12px rgba(15,23,42,.1);transition:transform .2s,border-color .2s,color .2s}
.cs-icon:hover{transform:translateY(-2px);border-color:var(--brand1);color:var(--brand1)}

/* ===== 响应式 ===== */
@media(max-width:980px){
.part-hero-inner{grid-template-columns:1fr;gap:36px;text-align:center}
.part-hero .lead{margin:0 auto 28px}
.part-hero-actions{justify-content:center}
.adv-card{grid-template-columns:1fr}
.adv-visual{min-height:220px}
.process-steps::before{display:none}
.process-steps{flex-wrap:wrap;gap:30px}
.process-step{flex:1 1 40%;min-width:140px}
.ft-inner{grid-template-columns:1fr 1fr}
.ft-top-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
.part-head h2{font-size:26px}
.part-hero h1{font-size:34px}
.ft-inner{grid-template-columns:1fr}
.ft-top-inner{grid-template-columns:1fr}
.benefit-table,.req-table{font-size:12px}
.benefit-table th,.benefit-table td,.req-table th,.req-table td{padding:12px 8px}
.benefit-table th:first-child,.benefit-table td:first-child,.req-table th:first-child,.req-table td:first-child{padding-left:12px}
}


.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:translateY(0)}