/* =====================================================
   腾讯云代理中心 - 全站公共样式
   版本: 2.0 (PHP重构版)
   ===================================================== */

/* ─── Reset & Base ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:#f0f4ff;color:#1a1a2e;line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}

/* ─── CSS Variables ─── */
:root{
  --blue:#0052D9;
  --blue-light:#00A3FF;
  --blue-dark:#003AAD;
  --orange:#FF6B00;
  --red:#E34234;
  --bg:#f0f4ff;
  --card:#ffffff;
  --card-border:rgba(0,82,217,0.1);
  --text:#1a1a2e;
  --text-2:#4a5568;
  --text-3:#8896ab;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 12px rgba(0,82,217,0.06);
  --shadow-md:0 8px 32px rgba(0,82,217,0.12);
  --shadow-lg:0 20px 60px rgba(0,82,217,0.18);
}

/* ─── Top Notice Bar ─── */
.notice-bar{background:linear-gradient(90deg,var(--blue-dark),var(--blue),var(--blue-light));color:#fff;font-size:13px;text-align:center;padding:9px 16px;position:relative;overflow:hidden}
.notice-bar span{position:relative;z-index:1}
.notice-bar a{color:#FFE27A;font-weight:700;margin:0 4px;border-bottom:1px solid rgba(255,226,122,0.4)}

/* ─── Navbar ─── */
.navbar{background:rgba(255,255,255,0.9);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,82,217,0.08);position:sticky;top:0;z-index:999}
.nav-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:64px;gap:16px}
.nav-logo{display:flex;align-items:center;gap:10px}
.logo-icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--blue-light));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:16px;box-shadow:0 4px 12px rgba(0,82,217,0.3)}
.logo-text{font-size:18px;font-weight:800;color:var(--text)}
.logo-text span{color:var(--blue)}
.logo-badge{background:linear-gradient(135deg,#fff3e0,#ffe0b2);color:var(--orange);font-size:10px;font-weight:700;padding:2px 7px;border-radius:20px;border:1px solid rgba(255,107,0,0.2);align-self:flex-start;margin-top:4px}
.nav-menu{display:flex;align-items:center;gap:0;flex-shrink:0}
.nav-item{position:relative}
.nav-item>a{position:relative;display:flex;align-items:center;gap:4px;padding:8px 10px;border-radius:10px;font-size:13.5px;font-weight:500;color:var(--text-2);transition:all 0.2s;white-space:nowrap}
.nav-item>a:hover:not(.nav-cta),.nav-item>a.active:not(.nav-cta){background:rgba(0,82,217,0.07);color:var(--blue)}
.nav-item>a svg{width:12px;height:12px;opacity:0.6;transition:transform 0.2s}
.nav-item:hover>a svg{transform:rotate(180deg)}

/* Dropdown */
.dropdown{display:none;position:absolute;top:calc(100% + 4px);left:50%;transform:translateX(-50%);background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--card-border);padding:16px;min-width:340px;z-index:100}
.nav-item:hover .dropdown{display:block}
/* 用伪元素填充触发区域，防止鼠标移入下拉菜单时菜单消失 */
.nav-item>a::after{content:'';position:absolute;left:0;right:0;height:16px;bottom:-16px}
.dropdown-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.dd-item{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:10px;transition:background 0.15s}
.dd-item:hover{background:rgba(0,82,217,0.06)}
.dd-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;margin-top:2px}
.dd-text{font-size:13px;font-weight:500;color:var(--text);white-space:nowrap}
.dd-sub{font-size:11px;color:var(--text-3);margin-top:1px;white-space:nowrap}
.dd-group-title{font-size:11px;font-weight:700;color:var(--text-3);letter-spacing:1px;text-transform:uppercase;padding:4px 12px 6px;margin-top:4px}

.nav-cta{background:linear-gradient(135deg,var(--blue),var(--blue-light));color:#fff!important;padding:9px 22px!important;border-radius:24px!important;font-weight:700!important;font-size:14px!important;box-shadow:0 4px 16px rgba(0,82,217,0.3);transition:transform 0.2s,box-shadow 0.2s!important}
.nav-cta:hover{transform:translateY(-1px)!important;box-shadow:0 6px 20px rgba(0,82,217,0.4)!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;display:block}

/* Mobile Menu */
.mobile-menu{display:none;position:fixed;inset:0;z-index:998;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px)}
.mobile-menu-inner{position:absolute;top:0;right:0;bottom:0;width:80%;max-width:320px;background:#fff;padding:80px 24px 40px;overflow-y:auto}
.mobile-nav-item{margin-bottom:4px}
.mobile-nav-item>a{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text);transition:background 0.15s}
.mobile-nav-item>a:hover{background:rgba(0,82,217,0.06);color:var(--blue)}
.mobile-sub{padding:4px 0 8px 16px}
.mobile-sub a{display:block;padding:8px 16px;font-size:13px;color:var(--text-2);border-radius:8px}
.mobile-sub a:hover{background:rgba(0,82,217,0.05);color:var(--blue)}

/* ─── Section Base ─── */
.section{padding:80px 24px}
.section-white{background:#fff}
.container{max-width:1200px;margin:0 auto}
.section-head{text-align:center;margin-bottom:52px}
.section-eyebrow{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.section-eyebrow::before,.section-eyebrow::after{content:'';width:20px;height:2px;background:var(--blue);border-radius:2px}
.section-head h2{font-size:clamp(26px,4vw,38px);font-weight:900;color:var(--text);margin-bottom:14px;letter-spacing:-0.5px}
.section-head p{font-size:16px;color:var(--text-2);max-width:500px;margin:0 auto}

/* ─── Product Page Hero ─── */
.page-hero{padding:64px 24px 80px;color:#fff;position:relative;overflow:hidden}
.page-hero-wave{position:absolute;bottom:0;left:0;right:0;height:50px;background:var(--bg);clip-path:ellipse(55% 100% at 50% 100%)}
.page-hero-inner{max-width:1200px;margin:0 auto;position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;opacity:0.7;margin-bottom:16px}
.breadcrumb a{color:rgba(255,255,255,0.8)}
.breadcrumb span{opacity:0.5}
.page-hero h1{font-size:clamp(28px,4vw,44px);font-weight:900;margin-bottom:14px}
.page-hero-desc{font-size:16px;opacity:0.85;max-width:500px;margin-bottom:24px;line-height:1.7}
.page-hero-tags{display:flex;gap:8px;flex-wrap:wrap}
.hero-tag-item{background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.2);border-radius:20px;padding:5px 14px;font-size:13px;backdrop-filter:blur(6px)}
.page-hero-price{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.18);border-radius:var(--radius-lg);padding:28px 32px;text-align:center;backdrop-filter:blur(12px);min-width:200px}
.ph-label{font-size:13px;opacity:0.75;margin-bottom:8px}
.ph-orig{font-size:14px;text-decoration:line-through;opacity:0.6;margin-bottom:4px}
.ph-price{font-size:44px;font-weight:900;color:#FFE27A;line-height:1}
.ph-price small{font-size:16px;font-weight:400;color:rgba(255,255,255,0.7)}
.ph-save{display:inline-block;background:var(--orange);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:10px;margin:8px 0 16px}
.btn-ph{display:block;background:#fff;padding:12px 20px;border-radius:12px;font-weight:700;font-size:15px;transition:transform 0.2s;box-shadow:0 4px 16px rgba(0,0,0,0.15);text-align:center}
.btn-ph:hover{transform:translateY(-2px)}

/* ─── Page Body Layout ─── */
.page-body{max-width:1200px;margin:0 auto;padding:52px 24px;display:grid;grid-template-columns:1fr 300px;gap:32px;align-items:start}
.content-area{}
.content-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--card-border);padding:36px;margin-bottom:24px;box-shadow:var(--shadow-sm)}
.content-card h2{font-size:22px;font-weight:800;color:var(--text);margin-bottom:20px;padding-bottom:14px;border-bottom:2px solid #f0f4ff;display:flex;align-items:center;gap:10px}
.content-card h2 .icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;background:#e8f0fe;flex-shrink:0}
.intro-text{font-size:15px;color:var(--text-2);line-height:1.85}
.intro-text p{margin-bottom:14px}

/* ─── Feature Grid ─── */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.feat-item{background:#f8faff;border:1px solid #e0e8ff;border-radius:14px;padding:18px;text-align:center}
.feat-item .fi{font-size:28px;margin-bottom:8px}
.feat-item h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:4px}
.feat-item p{font-size:12px;color:var(--text-3)}

/* ─── Price Table ─── */
.price-table{width:100%;border-collapse:collapse;margin-top:16px;font-size:14px}
.price-table th{background:#f8faff;padding:12px 16px;text-align:left;font-weight:700;color:var(--text);border-bottom:2px solid #e0e8ff}
.price-table td{padding:12px 16px;border-bottom:1px solid #f0f4ff;color:var(--text-2)}
.price-table tr:last-child td{border:none}
.price-table tr:hover td{background:#fafbff}
.badge-save{background:#fff3e0;color:var(--orange);font-size:11px;font-weight:700;padding:2px 8px;border-radius:8px;margin-left:6px}
.badge-free{background:#f0fdf4;color:#16a34a;font-size:11px;font-weight:700;padding:2px 8px;border-radius:8px}
.badge-hot{background:#fef2f2;color:#ef4444;font-size:11px;font-weight:700;padding:2px 8px;border-radius:8px}

/* ─── Plan Cards ─── */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.plan-card{border-radius:16px;padding:24px;border:2px solid transparent;text-align:center;position:relative}
.plan-card h3{font-size:16px;font-weight:800;margin-bottom:8px}
.plan-card .ep{font-size:28px;font-weight:900;margin:12px 0}
.plan-card ul{text-align:left;font-size:13px;color:var(--text-2)}
.plan-card ul li{padding:5px 0;display:flex;align-items:center;gap:6px}
.plan-card ul li::before{content:"✓";font-weight:700}
.plan-card .btn-plan{display:block;margin-top:16px;padding:10px;border-radius:10px;font-weight:700;font-size:14px;text-align:center}

/* ─── Scene / Use Case ─── */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}
.scene-item{padding:20px;background:#f8faff;border:1px solid #e0e8ff;border-radius:14px}
.scene-item h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.scene-item p{font-size:13px;color:var(--text-3);line-height:1.7}

/* ─── FAQ ─── */
.faq-list{margin-top:4px}
.faq-item{border:1px solid #f0f4ff;border-radius:14px;margin-bottom:10px;overflow:hidden}
.faq-q{padding:18px 20px;font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--text);background:#fff;transition:background 0.15s;user-select:none}
.faq-q:hover{background:#f8faff}
.faq-q .arr{width:20px;height:20px;background:#f0f4ff;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform 0.3s;flex-shrink:0}
.faq-item.open .faq-q .arr{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 18px;font-size:14px;color:var(--text-2);line-height:1.8;background:#fff}
.faq-item.open .faq-a{display:block}

/* ─── Related Products ─── */
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
.related-item{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#fafbff;border:1px solid #eef0f8;border-radius:12px;transition:all 0.2s}
.related-item:hover{border-color:var(--blue);background:#f0f4ff;transform:translateX(3px)}
.related-item .ri-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.related-item .ri-text{font-size:13px;font-weight:600;color:var(--text)}
.related-item .ri-sub{font-size:11px;color:var(--text-3)}

/* ─── Sidebar ─── */
.sidebar{}
.sidebar-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--card-border);padding:28px;margin-bottom:20px;box-shadow:var(--shadow-sm)}
.sidebar-card h3{font-size:16px;font-weight:800;color:var(--text);margin-bottom:16px}
.sidebar-promo{background:linear-gradient(135deg,var(--blue-dark),var(--blue));border-radius:14px;padding:24px;color:#fff;margin-bottom:20px}
.sidebar-promo h3{font-size:15px;font-weight:800;margin-bottom:6px;color:#fff}
.sidebar-promo p{font-size:13px;opacity:0.85;margin-bottom:16px}
.btn-promo{display:block;background:#fff;color:var(--blue);text-align:center;padding:11px;border-radius:10px;font-weight:700;font-size:14px}
.contact-list li{padding:8px 0;border-bottom:1px solid #f0f4ff;font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:8px}
.contact-list li:last-child{border:none}
.sidebar-nav-list{display:flex;flex-direction:column;gap:6px}
.sidebar-nav-item{padding:10px 14px;background:#f8faff;border-radius:10px;font-size:13px;font-weight:600;color:var(--text-2);display:flex;align-items:center;gap:8px;transition:all 0.2s;border:1px solid transparent}
.sidebar-nav-item:hover{background:#e8f0fe;color:var(--blue);border-color:var(--card-border)}
.sidebar-nav-item.active{background:var(--blue);color:#fff}

/* ─── Bento Grid (首页) ─── */
.bento-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.bento-card{background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--card-border);box-shadow:var(--shadow-sm);padding:28px;transition:transform 0.2s,box-shadow 0.2s;overflow:hidden;position:relative}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.bento-a{grid-column:span 5}.bento-b{grid-column:span 4}.bento-c{grid-column:span 3}
.bento-d{grid-column:span 3}.bento-e{grid-column:span 5}.bento-f{grid-column:span 4}
.bento-card-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.bento-card h3{font-size:18px;font-weight:800;color:var(--text);margin-bottom:10px}
.bento-card p{font-size:14px;color:var(--text-2);line-height:1.7}
.bento-card.featured{background:linear-gradient(135deg,var(--blue),var(--blue-light));border:none;color:#fff}
.bento-card.featured h3,.bento-card.featured p{color:#fff}
.bento-card.featured p{opacity:0.85}
.bento-card.featured .bento-card-icon{background:rgba(255,255,255,0.15)}
.bento-big-num{font-size:52px;font-weight:900;color:var(--blue);line-height:1;margin-bottom:8px}
.bento-card.featured .bento-big-num{color:#FFE27A}
.bento-tag{display:inline-block;background:rgba(0,82,217,0.08);color:var(--blue);font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;margin-bottom:12px}
.bento-card.featured .bento-tag{background:rgba(255,255,255,0.2);color:#fff}

/* ─── Products Grid (首页) ─── */
.cat-tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.cat-tab{padding:9px 22px;border-radius:24px;font-size:14px;font-weight:600;border:1.5px solid var(--card-border);color:var(--text-2);background:#fff;cursor:pointer;transition:all 0.2s}
.cat-tab:hover,.cat-tab.active{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 4px 14px rgba(0,82,217,0.25)}
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.prod-card{background:#fff;border-radius:var(--radius-md);border:1px solid var(--card-border);padding:20px;display:flex;flex-direction:column;gap:12px;transition:all 0.2s;box-shadow:var(--shadow-sm)}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(0,82,217,0.2)}
.prod-card-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.prod-card-name{font-size:15px;font-weight:700;color:var(--text)}
.prod-card-desc{font-size:13px;color:var(--text-3);line-height:1.5;flex:1}
.prod-card-price{font-size:13px;color:var(--blue);font-weight:700}
.prod-card-arrow{width:24px;height:24px;background:rgba(0,82,217,0.08);border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:12px;margin-left:auto}

/* ─── Hero (首页) ─── */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#001050,#002fa7 40%,#0052D9 70%,#0080ff 100%);padding:100px 24px 80px;text-align:center;color:#fff}
.hero-glow{position:absolute;pointer-events:none}
.hero-glow-1{width:600px;height:600px;background:radial-gradient(circle,rgba(0,163,255,0.25) 0%,transparent 70%);top:-200px;right:-100px}
.hero-glow-2{width:400px;height:400px;background:radial-gradient(circle,rgba(107,78,255,0.2) 0%,transparent 70%);bottom:-100px;left:-50px}
.hero-wave{position:absolute;bottom:0;left:0;right:0;height:60px;background:var(--bg);clip-path:ellipse(55% 100% at 50% 100%)}
.hero-content{position:relative;z-index:1;max-width:720px;margin:0 auto}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.25);backdrop-filter:blur(8px);border-radius:20px;padding:6px 16px;font-size:13px;margin-bottom:24px;color:rgba(255,255,255,0.9)}
.hero-tag-dot{width:6px;height:6px;background:#4eff91;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(1.3)}}
.hero h1{font-size:clamp(32px,6vw,56px);font-weight:900;line-height:1.15;margin-bottom:20px;letter-spacing:-1px}
.hero h1 .highlight{background:linear-gradient(135deg,#FFE27A,#FFB347);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:clamp(15px,2.5vw,18px);opacity:0.85;margin-bottom:40px;max-width:520px;margin-left:auto;margin-right:auto}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:56px}
.btn-hero-primary{background:var(--orange);color:#fff;padding:15px 36px;border-radius:32px;font-size:16px;font-weight:700;box-shadow:0 6px 24px rgba(255,107,0,0.45);transition:transform 0.2s,box-shadow 0.2s;display:inline-flex;align-items:center;gap:8px}
.btn-hero-primary:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(255,107,0,0.55)}
.btn-hero-ghost{background:rgba(255,255,255,0.12);color:#fff;border:1.5px solid rgba(255,255,255,0.35);padding:15px 36px;border-radius:32px;font-size:16px;font-weight:600;backdrop-filter:blur(8px);transition:background 0.2s;display:inline-flex;align-items:center;gap:8px}
.btn-hero-ghost:hover{background:rgba(255,255,255,0.2)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,0.1);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,0.15);overflow:hidden;backdrop-filter:blur(12px)}
.hero-stat{padding:20px 10px;text-align:center;background:rgba(255,255,255,0.05)}
.hero-stat-num{font-size:clamp(20px,4vw,30px);font-weight:900;color:#FFE27A;line-height:1}
.hero-stat-label{font-size:12px;opacity:0.7;margin-top:4px}

/* ─── Footer ─── */
.footer{background:#0f1a2e;color:rgba(255,255,255,0.6);font-size:13px;padding:60px 24px 0}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-brand{}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo-icon{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--blue-light));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:15px}
.footer-logo-text{font-size:16px;font-weight:800;color:#fff}
.footer-brand p{font-size:13px;line-height:1.8;margin-bottom:16px}
.footer-contact-item{padding:4px 0;font-size:13px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;margin-top:0}
.footer-col a{display:block;color:rgba(255,255,255,0.5);font-size:13px;padding:5px 0;transition:color 0.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:20px 0;font-size:12px;flex-wrap:wrap;gap:8px}
.icp{display:flex;gap:16px;flex-wrap:wrap}
.icp a{color:rgba(255,255,255,0.35);transition:color 0.2s}
.icp a:hover{color:rgba(255,255,255,0.6)}

/* ─── Animations ─── */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ─── CTA Banner ─── */
.cta-banner{background:linear-gradient(135deg,var(--blue-dark),var(--blue),var(--blue-light));padding:64px 24px;text-align:center;color:#fff}
.cta-banner h2{font-size:clamp(24px,4vw,36px);font-weight:900;margin-bottom:12px}
.cta-banner p{font-size:16px;opacity:0.85;margin-bottom:32px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-cta-white{background:#fff;color:var(--blue);padding:14px 32px;border-radius:28px;font-weight:700;font-size:15px;box-shadow:0 4px 20px rgba(0,0,0,0.2);transition:transform 0.2s}
.btn-cta-white:hover{transform:translateY(-2px)}
.btn-cta-outline{border:2px solid rgba(255,255,255,0.5);color:#fff;padding:14px 32px;border-radius:28px;font-weight:600;font-size:15px;transition:background 0.2s}
.btn-cta-outline:hover{background:rgba(255,255,255,0.1)}

/* ─── Responsive ─── */
@media(max-width:1100px){
  .footer-top{grid-template-columns:1fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:span 3}
  .bento-a{grid-column:span 7}.bento-b{grid-column:span 5}.bento-c{grid-column:span 4}
  .bento-d{grid-column:span 4}.bento-e{grid-column:span 6}.bento-f{grid-column:span 6}
}
@media(max-width:900px){
  .page-hero-inner{grid-template-columns:1fr}
  .page-hero-price{display:none}
  .page-body{grid-template-columns:1fr}
  .sidebar{display:none}
  .feat-grid{grid-template-columns:1fr 1fr}
  .plan-grid{grid-template-columns:1fr}
  .bento-grid{grid-template-columns:1fr 1fr}
  .bento-a,.bento-b,.bento-c,.bento-d,.bento-e,.bento-f{grid-column:span 1}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:span 2}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .feat-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-brand{grid-column:span 1}
  .footer-bottom{flex-direction:column;text-align:center}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .bento-grid{grid-template-columns:1fr}
  .products-grid{grid-template-columns:repeat(2,1fr)}
}

/* ─── 全国城市服务支持中心（footer上方） ─── */
.footer-regions{display:block;padding:32px 40px;max-width:1200px;margin:0 auto}
.rg-section-title{font-size:16px;font-weight:700;color:#1a1a2e;margin-bottom:20px}
.rg-city-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px}
.city-link{display:block;padding:8px 12px;background:#fff;border:1px solid #e2e8f0;border-radius:8px;font-size:13px;color:#374151;text-align:center;transition:border-color .2s,color .2s,box-shadow .2s}
.city-link:hover{border-color:#0052D9;color:#0052D9;box-shadow:0 2px 8px rgba(0,82,217,0.1)}
@media(max-width:600px){.footer-regions{padding:24px 16px}}