/* ═══════════════════════════════════════════════════════════════════
   Ultra Theme — ultahost 风格浅色设计系统
   ═══════════════════════════════════════════════════════════════════ */
.hidden{display:none !important;}
/* 购买方式切换（一键购买 / 自定义购买）· 紧凑卡片 */
.u-buytype{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.u-buytype-card{display:inline-flex;align-items:center;gap:11px;padding:10px 15px 10px 11px;border:1.5px solid var(--u-line);border-radius:12px;background:#fff;cursor:pointer;position:relative;transition:border-color .2s,box-shadow .2s,background .2s}
.u-buytype-card:hover{border-color:var(--u-blue)}
.u-buytype-card.active{border-color:var(--u-indigo);background:linear-gradient(180deg,rgba(47,107,255,.06),#fff);box-shadow:0 4px 14px rgba(47,107,255,.12)}
.u-buytype-card .ic{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:15px;color:#fff;background:var(--u-grad);flex-shrink:0}
.u-buytype-card .txt .t{font-size:14px;font-weight:700;color:var(--u-ink);line-height:1.15}
.u-buytype-card .txt .d{font-size:11.5px;color:var(--u-muted);margin-top:2px}
.u-buytype-card .check{margin-left:6px;font-size:16px;color:var(--u-line);transition:color .2s}
.u-buytype-card.active .check{color:var(--u-indigo)}
/* 购买页 · 操作系统选择器 */
.image-box{background:var(--u-bg-soft);border:1px solid var(--u-line);border-radius:14px;padding:16px}
.image-ul{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;position:relative}
@media (max-width:1024px){.image-ul{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.image-ul{grid-template-columns:1fr}}
.image-item{position:relative;background:#fff;border:1.5px solid var(--u-line);border-radius:10px;padding:8px 10px;display:flex;gap:9px;align-items:center;cursor:pointer;transition:border-color .2s,box-shadow .2s,background .2s}
.image-item:hover{border-color:var(--u-blue)}
.image-item.active,.image-item.hover{border-color:var(--u-indigo);background:linear-gradient(180deg,rgba(47,107,255,.06),#fff);box-shadow:0 4px 14px rgba(47,107,255,.12)}
.image-item .icon{width:26px;height:26px;object-fit:contain;flex-shrink:0}
.image-item .r-info{flex:1;min-width:0}
.image-item .r-info .name{font-size:13px;font-weight:700;color:var(--u-ink);margin:0;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.image-item .r-info .version{font-size:11.5px;color:var(--u-muted);margin:1px 0 0;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.version-select{position:absolute;top:100%;left:0;right:0;margin-top:6px;background:#fff;border:1px solid var(--u-line);border-radius:12px;box-shadow:var(--u-sh-lg,0 12px 32px rgba(15,23,42,.14));padding:6px;z-index:50;display:none;max-height:280px;overflow-y:auto}
.image-item:hover .version-select,.image-item .version-select.hover,.image-item .version-select:hover{display:block}
.version-select .v-item{padding:8px 12px;border-radius:8px;cursor:pointer;transition:all .15s;font-size:13px;color:var(--u-body)}
.version-select .v-item:hover{background:var(--u-bg-soft);color:var(--u-blue)}
.version-select .v-item.active{background:rgba(47,107,255,.09);color:var(--u-indigo);font-weight:700}
:root{
  --u-blue:#2f6bff; --u-blue-600:#1d4ed8; --u-blue-700:#1e40af; --u-indigo:#4f46e5; --u-purple:#7c3aed;
  /* 蓝为主 → 紫为尾, 蓝色占据大半; 大面积渐变以蓝色主导 */
  --u-grad:linear-gradient(112deg,#2f6bff 0%,#4f6bf3 46%,#6d54ea 74%,#7c3aed 100%);
  --u-grad-hero:linear-gradient(118deg,#2f6bff 0%,#4b62f0 55%,#7c3aed 100%);
  --u-grad-soft:linear-gradient(120deg,#eaf1ff 0%,#f1eefc 100%);
  /* 黄色点缀 (CTA / 强调) */
  --u-yellow:#ffd60a; --u-yellow-600:#f5c400; --u-yellow-ink:#1f2937;
  --u-ink:#0f172a; --u-ink-2:#1e293b; --u-body:#5b6478; --u-muted:#94a3b8;
  --u-bg:#ffffff; --u-bg-soft:#f7f8fb; --u-bg-soft2:#f1f4f9; --u-line:#e6e8ef;
  --u-green:#16a34a; --u-green-bg:#e7f7ec; --u-check:#3b82f6;
  --u-r:12px; --u-r-lg:18px; --u-r-xl:24px; --u-r-pill:999px;
  --u-sh:0 8px 30px rgba(15,23,42,.06); --u-sh-lg:0 24px 60px rgba(15,23,42,.10);
  --u-font:'Inter',-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,sans-serif;
  --u-container:1200px;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--u-font);color:var(--u-body);background:var(--u-bg);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%; vertical-align: middle;}
h1,h2,h3,h4,h5,h6{color:var(--u-ink);font-weight:800;line-height:1.15;margin:0}
p{margin:0}
.u-container{max-width:var(--u-container);margin:0 auto;padding:0 24px}
.u-section{padding:80px 0}
.u-bg-soft{background:var(--u-bg-soft)}
.text-grad{background:var(--u-grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ─── 顶部促销条 ─── */
.u-topbar{background:#0b1020;color:#cbd5e1;font-size:13px}
.u-topbar .u-container{display:flex;align-items:center;justify-content:space-between;height:40px}
.u-topbar .promo{color:#fff;font-weight:600}
.u-topbar .links{display:flex;gap:20px;align-items:center}
.u-topbar .links a:hover{color:#fff}

/* ─── 头部导航 ─── */
.u-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--u-line)}
.u-nav{display:flex;align-items:center;height:72px}
.u-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--u-ink)}
.u-brand .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--u-grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.u-brand img{height:32px;width:auto; max-width:135px;}
.u-brand .brand-mark{display:flex;filter:drop-shadow(0 4px 10px rgba(47,107,255,.32))}
.u-brand .brand-mark svg{display:block}
.u-brand .brand-word{font-weight:800;font-size:21px;letter-spacing:-.02em;color:var(--u-ink);line-height:1}
.u-brand .brand-word .tld{background:var(--u-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.u-menu{display:flex;align-items:center;gap:6px;margin-left:8px}
.u-menu>li{position:relative;list-style:none}
.u-menu>li>a{display:flex;align-items:center;gap:5px;padding:10px 14px;color:var(--u-ink-2);font-weight:600;font-size:14.5px;border-radius:10px}
.u-menu>li>a:hover{color:var(--u-blue);background:var(--u-bg-soft)}
.u-menu>li>a .caret{font-size:10px;color:var(--u-muted)}
.u-nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}

/* 下拉 */
.u-drop{position:absolute;top:calc(100% + 8px);left:0;min-width:230px;background:#fff;border:1px solid var(--u-line);border-radius:var(--u-r-lg);box-shadow:var(--u-sh-lg);padding:10px;opacity:0;visibility:hidden;transform:translateY(6px);transition:all .18s;z-index:50}
.u-menu>li:hover .u-drop{opacity:1;visibility:visible;transform:translateY(0)}
.u-drop a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--u-ink-2);font-weight:600;font-size:14px}
.u-drop a:hover{background:var(--u-bg-soft);color:var(--u-blue)}
.u-drop a .ic{width:34px;height:34px;border-radius:9px;background:var(--u-grad-soft);display:flex;align-items:center;justify-content:center;color:var(--u-indigo);flex:none}
.u-drop a .ic img{width:20px;height:20px;object-fit:contain;border-radius:4px}
.u-drop a small{display:block;color:var(--u-muted);font-weight:500;font-size:12px}

/* ─── 按钮 ─── */
.u-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--u-r-pill);font-weight:700;font-size:14.5px;cursor:pointer;border:1.5px solid transparent;transition:all .2s;white-space:nowrap}
.u-btn-primary{background:var(--u-blue);color:#fff}
.u-btn-primary:hover{background:var(--u-blue-600);box-shadow:0 10px 24px rgba(47,107,255,.28);color:#fff;transform:translateY(-1px)}
.u-btn-grad{background:var(--u-grad);color:#fff}
.u-btn-grad:hover{box-shadow:0 12px 28px rgba(47,107,255,.30);color:#fff;transform:translateY(-1px)}
.u-btn-yellow{background:var(--u-yellow);color:var(--u-yellow-ink)}
.u-btn-yellow:hover{background:var(--u-yellow-600);color:var(--u-yellow-ink);box-shadow:0 12px 28px rgba(245,196,0,.34);transform:translateY(-1px)}
.u-btn-dark{background:var(--u-ink);color:#fff}
.u-btn-dark:hover{background:#0b1224;color:#fff}
.u-btn-outline{background:#fff;color:var(--u-ink);border-color:var(--u-line)}
.u-btn-outline:hover{border-color:var(--u-blue);color:var(--u-blue)}
.u-btn-ghost{background:var(--u-bg-soft);color:var(--u-ink)}
.u-btn-lg{padding:15px 28px;font-size:15.5px}
.u-btn-block{width:100%}

/* ─── 徽章 ─── */
.u-badge{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:var(--u-r-pill);font-size:13px;font-weight:700}
.u-badge-soft{background:var(--u-grad-soft);color:var(--u-indigo)}
.u-badge-save{background:var(--u-green-bg);color:var(--u-green)}
.u-badge-pop{background:var(--u-grad);color:#fff}
/* 客服帮助 CTA (common/help.html 使用; 必须放全局 CSS, 因该模板被 include 进 #app, 内联 style 会被 Vue 挂载时移除) */
.u-help-cta{position:relative;overflow:hidden;background:var(--u-grad-hero);border-radius:20px;padding:36px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--u-sh-lg)}
.u-help-cta::after{content:'';position:absolute;right:-100px;top:-110px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.12);pointer-events:none}
.u-help-cta .txt{position:relative;z-index:1;min-width:0}
.u-help-cta h3{color:#fff;font-size:24px;font-weight:800;margin:0 0 8px}
.u-help-cta p{color:rgba(255,255,255,.92);font-size:15px;margin:0 0 10px;line-height:1.7}
.u-help-cta .hours{color:rgba(255,255,255,.85);font-size:13.5px;display:inline-flex;align-items:center;gap:7px}
.u-help-cta .acts{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;flex:none}
.u-help-cta .u-help-btn-light{background:#fff;color:var(--u-blue)}
.u-help-cta .u-help-btn-light:hover{background:#fff;color:var(--u-blue);transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.u-help-cta .u-help-btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.4)}
.u-help-cta .u-help-btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
@media (max-width:768px){.u-help-cta{padding:28px 24px}.u-help-cta .acts{width:100%}.u-help-cta .acts .u-btn{flex:1}}

/* ─── 区块标题 ─── */
.u-head{text-align:center;max-width:720px;margin:0 auto 48px}
.u-head h2{font-size:38px;letter-spacing:-.02em}
.u-head p{margin-top:14px;color:var(--u-body);font-size:16px}

/* ─── HERO ─── */
.u-hero{padding:64px 0 40px;overflow:hidden}
.u-hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.u-hero h1{font-size:56px;letter-spacing:-.03em;margin:18px 0}
.u-hero .lead{font-size:17px;max-width:520px}
.u-hero .checks{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;margin:26px 0}
.u-check{display:flex;align-items:center;gap:10px;color:var(--u-ink-2);font-weight:600;font-size:14.5px}
.u-check .fa,.u-check .fas{color:var(--u-check);font-size:15px}
.u-price-line{display:flex;align-items:baseline;gap:12px;margin:26px 0 18px}
.u-price-line .from{color:var(--u-muted);font-size:13px}
.u-price-line .amt{font-size:34px;font-weight:800;color:var(--u-ink)}
.u-price-line .amt small{font-size:15px;color:var(--u-body);font-weight:600}
.u-hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.u-hero .risk{margin-top:16px;color:var(--u-muted);font-size:13px}
.u-ratings{display:flex;gap:30px;margin-top:34px}
.u-rating{text-align:center}
.u-rating .stars{color:#f59e0b;font-size:13px}
.u-rating .score{font-weight:800;color:var(--u-ink);font-size:15px}
.u-rating .cnt{color:var(--u-muted);font-size:12px}
/* hero 右侧价格对比卡 */
.u-hero-visual{position:relative}
.u-compare-card{background:#fff;border:1px solid var(--u-line);border-radius:var(--u-r-xl);box-shadow:var(--u-sh-lg);padding:22px}
.u-compare-card .row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--u-line)}
.u-compare-card .row:last-child{border-bottom:0}
.u-compare-card .row.me{background:var(--u-grad-soft);margin:0 -22px;padding:14px 22px;border-radius:14px;border:0}
.u-compare-card .row .n{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--u-ink)}
.u-compare-card .row .p{font-weight:700;color:var(--u-ink)}
.u-compare-card .row.me .p{color:var(--u-indigo)}

/* ─── 品牌墙 ─── */
.u-brands{padding:36px 0;border-top:1px solid var(--u-line)}
.u-brands .row{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;filter:grayscale(1);opacity:.6}
.u-brands .row span{font-weight:800;color:#64748b;font-size:18px}

/* ─── 定价卡 ─── */
.u-pricing{display:flex;flex-wrap:wrap;gap:22px;align-items:stretch;justify-content:center}
.u-plan{flex:1 1 240px;max-width:300px;background:#fff;border:1px solid var(--u-line);border-radius:var(--u-r-lg);padding:28px 24px;display:flex;flex-direction:column;position:relative;transition:all .25s}
.u-plan:hover{box-shadow:var(--u-sh-lg);transform:translateY(-4px)}
.u-plan.popular{border:2px solid var(--u-indigo);box-shadow:var(--u-sh-lg)}
.u-plan .pop-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%)}
.u-plan h4{font-size:19px}
.u-plan .desc{color:var(--u-body);font-size:13.5px;margin:8px 0 18px;min-height:38px}
.u-plan .oldp{color:var(--u-muted);text-decoration:line-through;font-size:13px;margin-right:8px}
.u-plan .price{display:flex;align-items:baseline;gap:4px;margin:6px 0 4px}
.u-plan .price .cur{font-size:20px;font-weight:800;color:var(--u-ink)}
.u-plan .price .num{font-size:40px;font-weight:800;color:var(--u-ink);letter-spacing:-.02em}
.u-plan .price .per{color:var(--u-body);font-size:14px;font-weight:600}
.u-plan .renewnote{color:var(--u-muted);font-size:12px;margin-bottom:18px}
.u-plan .u-btn{margin-bottom:20px}
.u-plan .feats{list-style:none;padding:18px 0 0;margin:0;border-top:1px solid var(--u-line)}
.u-plan .feats li{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:13.5px;color:var(--u-ink-2)}
.u-plan .feats li .fa,.u-plan .feats li .fas{color:var(--u-check);font-size:13px;width:16px}

/* ─── 服务卡（Mac/Game/Email/Windows）─── */
.u-svc-wrap{background:#fff;border:1px solid var(--u-line);border-radius:var(--u-r-xl);padding:26px;box-shadow:var(--u-sh)}
.u-svc{display:flex;flex-wrap:wrap;gap:20px}
.u-svc-card{flex:1 1 220px;border:1px solid var(--u-line);border-radius:var(--u-r-lg);padding:24px;transition:all .25s}
.u-svc-card:hover{box-shadow:var(--u-sh);transform:translateY(-3px);border-color:transparent}
.u-svc-card .ic{width:52px;height:52px;border-radius:14px;background:var(--u-grad-soft);display:flex;align-items:center;justify-content:center;color:var(--u-indigo);font-size:22px;margin-bottom:16px}
.u-svc-card h4{font-size:17px;margin-bottom:8px}
.u-svc-card p{font-size:13px;min-height:56px}
.u-svc-card .p2{display:flex;align-items:baseline;gap:6px;margin:14px 0}
.u-svc-card .p2 .old{color:var(--u-muted);text-decoration:line-through;font-size:12px}
.u-svc-card .p2 .now{font-size:20px;font-weight:800;color:var(--u-ink)}
.u-svc-card .p2 .per{color:var(--u-body);font-size:12px}

/* ─── 域名搜索 CTA ─── */
.u-domain-cta{background:var(--u-grad);border-radius:var(--u-r-xl);padding:56px;color:#fff;position:relative;overflow:hidden}
.u-domain-cta h2{color:#fff;font-size:40px;max-width:520px;letter-spacing:-.02em}
.u-domain-cta p{color:rgba(255,255,255,.85);margin:14px 0 26px}
.u-domain-form{display:flex;background:#fff;border-radius:var(--u-r-pill);padding:6px;max-width:560px;box-shadow:var(--u-sh-lg)}
.u-domain-form input{flex:1;border:0;outline:0;padding:14px 22px;font-size:15px;background:transparent;color:var(--u-ink);border-radius:var(--u-r-pill)}
.u-domain-form button{border:0;background:var(--u-blue);color:#fff;width:52px;height:52px;border-radius:50%;cursor:pointer;font-size:17px}
.u-domain-cta .tlds{position:absolute;right:40px;top:40px;bottom:40px;width:45%;opacity:.14;font-weight:800;color:#fff;font-size:22px;pointer-events:none}

/* ─── 页脚 ─── */
.u-footer{background:#0b1020;color:#94a3b8;padding:64px 0 30px}
.u-footer .top{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:40px}
.u-footer .brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:20px;margin-bottom:16px}
.u-footer .brand .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--u-grad);display:flex;align-items:center;justify-content:center;color:#fff}
.u-footer .intro{font-size:13.5px;max-width:300px;line-height:1.7}
.u-footer h5{color:#fff;font-size:14px;margin-bottom:18px;font-weight:700}
.u-footer ul{list-style:none;padding:0;margin:0}
.u-footer ul li{margin-bottom:11px}
.u-footer ul a{font-size:13.5px}
.u-footer ul a:hover{color:#fff}
.u-footer .bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between;font-size:13px}
.u-footer .socials{display:flex;gap:14px}
.u-footer .socials a{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center}
.u-footer .socials a:hover{background:var(--u-blue);color:#fff}

/* ─── 响应式 ─── */
@media (max-width:1024px){
  .u-hero .grid{grid-template-columns:1fr}
  .u-hero-visual{display:none}
  .u-pricing{grid-template-columns:repeat(2,1fr)}
  .u-svc{grid-template-columns:repeat(2,1fr)}
  .u-footer .top{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .u-menu,.u-topbar .links{display:none}
  .u-hero h1{font-size:38px}
  .u-head h2{font-size:28px}
  .u-pricing,.u-svc{grid-template-columns:1fr}
  .u-domain-cta{padding:34px}
  .u-domain-cta h2{font-size:28px}
  .u-domain-cta .tlds{display:none}
  .u-footer .top{grid-template-columns:1fr}
  .u-section{padding:52px 0}
}

/* ═══════════════════════════════════════════════════════════════════
   产品页组件（server / cloud / dns）
   ═══════════════════════════════════════════════════════════════════ */
/* 产品 hero（浅色渐变背景） */
.u-phero{background:var(--u-grad-soft);border-bottom:1px solid var(--u-line);padding:70px 0}
.u-phero .inner{max-width:760px;margin:0 auto;text-align:center}
.u-phero h1{font-size:44px;letter-spacing:-.02em;margin:16px 0}
.u-phero p{font-size:17px;max-width:560px;margin:0 auto}
.u-phero .stats{display:flex;justify-content:center;gap:44px;margin-top:30px}
.u-phero .stats .s .n{font-size:26px;font-weight:800;color:var(--u-ink)}
.u-phero .stats .s .l{font-size:13px;color:var(--u-body)}
.u-phero .actions{display:flex;gap:14px;justify-content:center;margin-top:28px}

/* 数据中心选择器 */
.u-dc{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:40px}
.u-dc-item{display:flex;flex-direction:column;align-items:center;min-width:130px;padding:14px 24px;background:#fff;border:1.5px solid var(--u-line);border-radius:var(--u-r);cursor:pointer;transition:all .2s}
.u-dc-item:hover{border-color:var(--u-blue);transform:translateY(-2px)}
.u-dc-item.active{border-color:var(--u-indigo);background:var(--u-grad-soft)}
.u-dc-item .city{font-weight:800;color:var(--u-ink);font-size:15px}
.u-dc-item .name{font-size:12.5px;color:var(--u-body);margin-top:3px}
.u-dc-item.active .name{color:var(--u-indigo)}
.u-empty{text-align:center;color:var(--u-muted);padding:48px 0}

/* 机型/规格表 */
.u-table-wrap{overflow-x:auto;border:1px solid var(--u-line);border-radius:var(--u-r-lg);background:#fff}
.u-table{width:100%;border-collapse:collapse;min-width:720px}
.u-table thead th{background:var(--u-bg-soft);color:var(--u-ink);font-weight:700;font-size:13.5px;text-align:left;padding:16px 18px;border-bottom:1px solid var(--u-line)}
.u-table tbody td{padding:16px 18px;border-bottom:1px solid var(--u-line);color:var(--u-ink-2);font-size:14px;vertical-align:middle}
.u-table tbody th{padding:16px 18px;border-bottom:1px solid var(--u-line);color:var(--u-ink-2);font-size:14px;font-weight:700;text-align:left;vertical-align:middle}
.u-table tbody tr:last-child th,.u-table tbody tr:last-child td{border-bottom:none}
.u-table tbody tr:last-child td{border-bottom:0}
.u-table tbody tr:hover td{background:var(--u-bg-soft)}
.u-table .rate{font-weight:800;color:var(--u-indigo);font-size:16px}

/* 优势网格 */
.u-feats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.u-feats-grid{grid-template-columns:1fr}}
/* 四步合并成一行 (证书申请等) */
.u-feats-grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1100px){.u-feats-grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.u-feats-grid.cols-4{grid-template-columns:1fr}}
.u-feat{background:#fff;border:1px solid var(--u-line);border-radius:var(--u-r-lg);padding:28px;transition:all .25s}
.u-feat:hover{box-shadow:var(--u-sh);transform:translateY(-3px);border-color:transparent}
.u-feat .ic{width:50px;height:50px;border-radius:13px;background:var(--u-grad-soft);color:var(--u-indigo);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px}
.u-feat h4{font-size:17px;margin-bottom:9px}
.u-feat p{font-size:13.5px;line-height:1.7}

/* 功能对比表 */
.u-compare{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--u-line);border-radius:var(--u-r-lg);overflow:hidden;background:#fff}
.u-compare th,.u-compare td{padding:15px 18px;text-align:center;border-bottom:1px solid var(--u-line)}
.u-compare thead th{background:var(--u-bg-soft);font-weight:700;color:var(--u-ink);font-size:13.5px}
.u-compare thead th.self{background:var(--u-grad);color:#fff}
.u-compare tbody td:first-child{text-align:left;color:var(--u-ink);font-weight:600}
.u-compare tbody tr:last-child td{border-bottom:0}
.u-compare .col-self{background:var(--u-grad-soft)}
.u-compare .yes{color:var(--u-green);font-size:16px}
.u-compare .no{color:#cbd5e1;font-size:15px}

/* ═══════════════════════════════════════════════════════════════════
   动画与视觉增强
   ═══════════════════════════════════════════════════════════════════ */
@keyframes u-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
@keyframes u-float-sm{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes u-fadeup{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@keyframes u-blob{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(22px,-18px) scale(1.08)}66%{transform:translate(-16px,12px) scale(.95)}}
@keyframes u-marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes u-shine{to{background-position:200% center}}

/* hero 内容逐条入场 */
.u-hero-content>*{opacity:0;animation:u-fadeup .7s cubic-bezier(.2,.7,.2,1) forwards}
.u-hero-content>*:nth-child(1){animation-delay:.04s}
.u-hero-content>*:nth-child(2){animation-delay:.12s}
.u-hero-content>*:nth-child(3){animation-delay:.20s}
.u-hero-content>*:nth-child(4){animation-delay:.28s}
.u-hero-content>*:nth-child(5){animation-delay:.36s}
.u-hero-content>*:nth-child(6){animation-delay:.44s}
.u-hero-content>*:nth-child(7){animation-delay:.52s}
.u-hero-content>*:nth-child(8){animation-delay:.60s}

/* 滚动揭示 */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .75s cubic-bezier(.2,.7,.2,1),transform .75s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}.reveal[data-d="4"]{transition-delay:.32s}

/* hero 视觉：光晕 blob + 浮动卡片 */
.u-hero-visual{position:relative;min-height:480px;display:flex;align-items:center;justify-content:center}
.u-blob{position:absolute;width:440px;height:440px;background:var(--u-grad);filter:blur(8px);opacity:.16;border-radius:46% 54% 60% 40%/50% 45% 55% 50%;animation:u-blob 13s ease-in-out infinite;z-index:0}
.u-blob.b2{width:280px;height:280px;right:-30px;bottom:-20px;background:linear-gradient(120deg,#22d3ee,#3b82f6);opacity:.14;animation-duration:17s;animation-direction:reverse}
.u-compare-card{position:relative;z-index:2;width:100%;max-width:440px;animation:u-float 7s ease-in-out infinite}
.u-float-badge{position:absolute;z-index:3;background:#fff;border:1px solid var(--u-line);border-radius:16px;box-shadow:var(--u-sh-lg);padding:11px 15px;display:flex;align-items:center;gap:11px;font-weight:800;color:var(--u-ink);font-size:13.5px}
.u-float-badge small{display:block;font-weight:500;color:var(--u-muted);font-size:11px;margin-top:1px}
.u-float-badge .ic{width:36px;height:36px;border-radius:11px;background:var(--u-grad-soft);color:var(--u-indigo);display:flex;align-items:center;justify-content:center;font-size:15px;flex:none}
.u-fb-1{top:8px;left:-6px;animation:u-float-sm 5s ease-in-out infinite}
.u-fb-2{bottom:34px;right:-10px;animation:u-float 6.4s ease-in-out infinite .5s}
.u-fb-chat{bottom:-6px;left:24px;background:var(--u-grad);color:#fff;border:0;animation:u-float-sm 5.6s ease-in-out infinite .3s}
.u-fb-chat .ic{background:rgba(255,255,255,.22);color:#fff}

/* 评分卡 */
.u-ratings{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.u-rating{display:flex;align-items:center;gap:11px;background:#fff;border:1px solid var(--u-line);border-radius:14px;padding:10px 16px;box-shadow:var(--u-sh);transition:transform .2s,box-shadow .2s}
.u-rating:hover{transform:translateY(-3px);box-shadow:var(--u-sh-lg)}
.u-rating .laurel{font-size:22px;color:#f59e0b}
.u-rating .meta .score{font-weight:800;color:var(--u-ink);font-size:15px;line-height:1.1}
.u-rating .meta .stars{color:#f59e0b;font-size:11px;letter-spacing:1px}
.u-rating .meta .cnt{color:var(--u-muted);font-size:11px}

/* 品牌墙 marquee */
.u-brands{padding:26px 0;border-top:1px solid var(--u-line);overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.u-marquee{display:flex;width:max-content;animation:u-marquee 30s linear infinite}
.u-marquee:hover{animation-play-state:paused}
.u-marquee .item{display:flex;align-items:center;gap:10px;padding:0 42px;font-weight:800;color:#9aa4b5;font-size:19px;white-space:nowrap;transition:color .2s}
.u-marquee .item:hover{color:var(--u-indigo)}
.u-marquee .item .fas{font-size:15px;opacity:.7}

/* 标题渐变文字流光 */
.text-grad{background:linear-gradient(90deg,#2f6bff,#7c3aed,#2f6bff);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:u-shine 6s linear infinite}

@media(max-width:1024px){.u-hero-visual{min-height:auto}}

/* ═══════════════════════════════════════════════════════════════════
   Hero 控制台仪表盘 mockup（重设计）
   ═══════════════════════════════════════════════════════════════════ */
.u-dash{position:relative;z-index:2;width:100%;max-width:470px;background:#fff;border:1px solid var(--u-line);border-radius:22px;box-shadow:var(--u-sh-lg);overflow:hidden;animation:u-float 7s ease-in-out infinite}
.u-dash-bar{display:flex;align-items:center;gap:7px;padding:14px 18px;border-bottom:1px solid var(--u-line);background:var(--u-bg-soft)}
.u-dash-bar .dot{width:11px;height:11px;border-radius:50%}
.u-dash-bar .r{background:#ff5f57}.u-dash-bar .y{background:#febc2e}.u-dash-bar .g{background:#28c840}
.u-dash-bar .t{margin-left:8px;font-size:12.5px;color:var(--u-muted);font-weight:600}
.u-dash-hero{margin:18px;padding:22px 24px;border-radius:16px;background:var(--u-grad);color:#fff;display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden}
.u-dash-hero::after{content:'';position:absolute;right:-40px;top:-40px;width:150px;height:150px;background:rgba(255,255,255,.14);border-radius:50%}
.u-dash-hero .lbl{font-size:12.5px;opacity:.9}
.u-dash-hero .big{font-size:40px;font-weight:900;letter-spacing:-.02em;line-height:1.05;margin:3px 0}
.u-dash-hero .up{font-size:12px;opacity:.92;display:flex;align-items:center;gap:6px}
.u-spark{position:relative;z-index:1;width:148px;height:66px}
.u-dash-rows{padding:0 20px 20px}
.u-dash-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--u-line)}
.u-dash-row:last-child{border-bottom:0}
.u-dash-row .ic{width:38px;height:38px;border-radius:11px;background:var(--u-grad-soft);color:var(--u-indigo);display:flex;align-items:center;justify-content:center;font-size:15px;flex:none}
.u-dash-row .nm{font-weight:700;color:var(--u-ink);font-size:13.5px;flex:1}
.u-dash-row .nm small{display:block;font-weight:500;color:var(--u-muted);font-size:11.5px;margin-top:1px}
.u-dash-row .st{font-size:11.5px;font-weight:700;padding:5px 12px;border-radius:999px;white-space:nowrap}
.u-dash-row .st.ok{background:var(--u-green-bg);color:var(--u-green)}
.u-dash-row .st.ok::before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--u-green);margin-right:6px;vertical-align:middle;box-shadow:0 0 0 3px rgba(22,163,74,.16)}
.u-dash-row .st.blue{background:#e8efff;color:var(--u-blue)}
/* 浮动徽章重新定位（配合仪表盘） */
.u-fb-1{top:-14px;left:-22px}
.u-fb-2{bottom:36px;right:-26px}

/* ═══════ 定价卡对齐 ultahost（热门顶部横幅 + 内联省价 + 每行图标）═══════ */
.u-plan.popular{border:2px solid var(--u-blue);box-shadow:0 24px 60px rgba(47,107,255,.18)}
.u-plan .pop-tag{top:-12px;padding:5px 16px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap;box-shadow:0 6px 16px rgba(47,107,255,.32);z-index:2}
.u-plan-banner{background:var(--u-blue);color:#fff;text-align:center;font-weight:800;font-size:13.5px;letter-spacing:.02em;padding:12px;margin:0 -24px 26px}
.u-plan .oldrow{display:flex;align-items:center;gap:10px;margin-bottom:4px;min-height:24px}
.u-plan .oldrow .oldp{color:var(--u-muted);text-decoration:line-through;font-size:14px}
.u-plan .feats li .fas,.u-plan .feats li .far{color:var(--u-check);font-size:14px;width:18px;text-align:center;flex:none}