/* ============================================================
   KRISP 韩国KT住宅ISP站群服务器 - 共享样式
   设计规范对齐 workbuddy.cn（TDesign）：
   PingFang SC 字体 / 68px 主标题 / #1a1a1a 胶囊按钮 / 64px 导航
   ============================================================ */
:root{
  --font-family: "PingFang SC","Microsoft YaHei","Alimama FangYuanTi VF",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;
  --text-primary:#1a1a1a;
  --text-regular:#333333;
  --text-secondary:#666666;
  --text-placeholder:#999999;
  --border-light:#e5e7eb;
  --border-lighter:#f0f0f0;
  --bg-page:#ffffff;
  --bg-gray:#fafafa;
  --mint:#00b42a;
  --mint-dark:#00832a;
  --btn-black:#1a1a1a;
  --radius-card:16px;
  --shadow-card:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06);
  --shadow-pop:0 4px 8px rgba(0,0,0,.06),0 16px 48px rgba(0,0,0,.12);
  --transition:.3s ease;
  --container:1200px;
  --font-mono:ui-monospace,Menlo,Consolas,monospace;
  /* 锚点跳转让位：固定导航 64px + 余量。公告条存在时由 body.has-announce 覆写 */
  --anchor-offset:96px;
}
*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-family);font-weight:400;line-height:1.6;color:var(--text-regular);background:var(--bg-page);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
a{text-decoration:none;color:inherit}
ul,ol,li{list-style:none;margin:0;padding:0}
button{font-family:inherit;font-size:inherit;line-height:inherit;border:none;background:none;cursor:pointer;padding:0;margin:0}
img,svg{display:block;max-width:100%}

/* ========== 通用对勾图标（性能） ==========
   同一枚 205 字节的内联勾选 SVG 在单页可重复出现上百次（实测 products.php 88 次 ≈ 18KB，
   占首屏 DOM 的 24%）。改由 CSS 背景图承载：整页只解析一次，DOM 里仅剩一个空 <i>。
   尺寸由各上下文规则（.fc-list / .sd-points / .pc-specs）覆盖，视觉与原先完全一致。 */
.ic-ck{display:inline-block;flex:none;width:14px;height:14px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='10' fill='%23e8f8ec'/%3E%3Cpath d='M8 12.5l2.5 2.5L16 9.5' fill='none' stroke='%2300b42a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
::selection{background:#1a1a1a;color:#fff}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ========== 顶部导航 ========== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:64px;background:rgba(255,255,255,0);transition:background var(--transition),box-shadow var(--transition),border-color var(--transition);border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(255,255,255,.92);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom-color:#eeeeee}
.nav-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:40px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#23c343 0%,#00b42a 55%,#009a29 100%);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px rgba(0,180,42,.35)}
.logo-icon svg{width:18px;height:18px}
.logo-text{display:flex;flex-direction:column;line-height:1}
.logo-name{font-size:17px;font-weight:600;color:var(--text-primary);letter-spacing:.5px}
.logo-sub{font-size:10px;color:var(--text-placeholder);margin-top:3px;letter-spacing:1.5px}
.nav-links{display:flex;align-items:center;gap:34px;height:64px;flex:1}
.nav-links a{position:relative;font-size:14px;color:#4d4d4d;height:64px;display:inline-flex;align-items:center;transition:color var(--transition)}
.nav-links a:hover{color:var(--text-primary)}
.nav-links a.active,.nav-links a.cur{color:var(--text-primary);font-weight:500}
.nav-links a.active::after,.nav-links a.cur::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:16px;width:16px;height:2px;border-radius:2px;background:var(--text-primary)}
.nav-links .arrow{display:inline-block;width:0;height:0;border-left:3.5px solid transparent;border-right:3.5px solid transparent;border-top:4px solid currentColor;margin-left:5px;opacity:.55}
/* ---------- 一级导航二级下拉（T10：7→6，分类下沉） ----------
   移动端 .nav-links 被 JS 切成竖排，子项改为常显缩进（见下方媒体查询）。 */
.nav-item{position:relative;display:inline-flex;align-items:center;height:64px}
.nav-sub{position:absolute;top:64px;left:-14px;min-width:180px;background:#fff;border:3px solid var(--btn-black);box-shadow:4px 4px 0 rgba(0,0,0,.14);padding:6px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity var(--transition),transform var(--transition);z-index:80}
.nav-item:hover .nav-sub,.nav-item:focus-within .nav-sub{opacity:1;visibility:visible;transform:translateY(0)}
.nav-sub a{display:block;height:auto;padding:9px 12px;font-size:13px;line-height:1.45;color:var(--text-regular)}
.nav-sub a::after{display:none}
.nav-sub a:hover{background:#f4f0ff;color:var(--text-primary);font-weight:500}
.nav-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:999px;font-weight:500;transition:all var(--transition);white-space:nowrap}
.btn-black{background:var(--btn-black);color:#fff;padding:9px 22px;font-size:14px}
.btn-black:hover{background:#000;transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,0,0,.18)}
.btn-black svg{width:13px;height:13px}
.btn-ghost{font-size:14px;color:#4d4d4d;padding:9px 4px}
.btn-ghost:hover{color:var(--text-primary)}
.btn-lg{background:var(--btn-black);color:#fff;padding:14px 36px;font-size:16px;box-shadow:0 8px 24px rgba(0,0,0,.16)}
.btn-lg:hover{background:#000;transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.22)}
.btn-outline{border:1px solid #d9d9d9;color:var(--text-primary);padding:13px 34px;font-size:16px;background:#fff}
.btn-outline:hover{border-color:var(--text-primary)}
.nav-mobile-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-mobile-toggle span{width:20px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}

/* ========== 首页 Hero ========== */
.hero{position:relative;padding:172px 0 90px;overflow:hidden;text-align:center}
.hero-deco{position:absolute;right:-140px;bottom:-180px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle at 40% 40%,rgba(0,180,42,.10) 0%,rgba(35,195,67,.05) 45%,rgba(255,255,255,0) 70%);pointer-events:none}
.hero-deco2{position:absolute;left:-200px;top:60px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle at 60% 40%,rgba(0,98,255,.05) 0%,rgba(255,255,255,0) 70%);pointer-events:none}
.hero h1{font-size:68px;font-weight:500;color:var(--text-primary);letter-spacing:1px;line-height:1.2;position:relative}
.hero .hero-desc{max-width:760px;margin:26px auto 0;font-size:16px;color:var(--text-secondary);line-height:1.9}
.hero-cta{margin-top:44px;display:flex;align-items:center;justify-content:center;gap:32px}
.hero-link{display:inline-flex;align-items:center;gap:5px;font-size:15px;color:var(--text-regular);transition:color var(--transition)}
.hero-link:hover{color:var(--text-primary)}
.hero-link svg{width:13px;height:13px;transition:transform var(--transition)}
.hero-link:hover svg{transform:translateX(3px)}
.hero-mock{margin:64px auto 0;max-width:980px;position:relative}

/* ========== 子页页头 ========== */
.page-hero{position:relative;padding:150px 0 70px;overflow:hidden;background:linear-gradient(180deg,#f8fdfa 0%,#ffffff 100%)}
.page-hero::after{content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle at 40% 40%,rgba(0,180,42,.09) 0%,rgba(255,255,255,0) 70%);pointer-events:none}
.page-hero .ph-tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-secondary);background:#fff;border:1px solid #e9f4ec;border-radius:999px;padding:6px 16px;margin-bottom:22px;position:relative}
.page-hero .ph-tag i{width:6px;height:6px;border-radius:50%;background:var(--mint)}
.page-hero h1{font-size:46px;font-weight:500;color:var(--text-primary);letter-spacing:.5px;line-height:1.25;position:relative}
.page-hero p{max-width:720px;margin:22px auto 0;font-size:15px;color:var(--text-secondary);line-height:1.9;position:relative}
.page-hero.center{text-align:center}
.page-hero .ph-cta{margin-top:36px;display:flex;justify-content:center;gap:16px;position:relative}
.breadcrumb{position:relative;font-size:12px;color:#b3b3b3;margin-bottom:18px}
.breadcrumb a{color:#999}
.breadcrumb a:hover{color:var(--text-primary)}

/* ========== 应用窗口 mockup ========== */
.mock-window{background:#fff;border-radius:14px;border:1px solid #ececec;box-shadow:var(--shadow-pop);overflow:hidden;text-align:left}
.mock-titlebar{height:40px;background:#f7f7f8;border-bottom:1px solid #ececec;display:flex;align-items:center;padding:0 14px;gap:8px}
.mock-dots{display:flex;gap:6px}
.mock-dots i{width:11px;height:11px;border-radius:50%}
.mock-dots i:nth-child(1){background:#ff5f57}
.mock-dots i:nth-child(2){background:#febc2e}
.mock-dots i:nth-child(3){background:#28c840}
.mock-titlebar .mock-tab{margin-left:10px;background:#fff;border:1px solid #e6e6e6;border-radius:7px;font-size:12px;color:#666;padding:4px 14px;display:flex;align-items:center;gap:6px}
.mock-titlebar .mock-tab svg{width:11px;height:11px}
.mock-titlebar .mock-url{margin-left:auto;font-size:11px;color:#bbb}
.mock-body{display:flex;min-height:400px}
.mock-side{width:180px;border-right:1px solid #f0f0f0;padding:16px 12px;flex-shrink:0;background:#fcfcfc}
.mock-side .side-brand{display:flex;align-items:center;gap:8px;padding:2px 8px 14px;font-size:13px;font-weight:600;color:var(--text-primary)}
.mock-side .side-brand i{width:18px;height:18px;border-radius:6px;background:linear-gradient(135deg,#23c343,#00b42a)}
.mock-side a{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;font-size:13px;color:#555;margin-bottom:2px}
.mock-side a.on{background:#e8f8ec;color:#00832a;font-weight:500}
.mock-side a svg{width:14px;height:14px;opacity:.75}
.mock-side .side-foot{margin-top:16px;border-top:1px solid #f0f0f0;padding-top:12px}
.mock-main{flex:1;padding:20px 22px;min-width:0}
.mock-main h4{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:14px}
.mock-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.stat-card{border:1px solid #f0f0f0;border-radius:10px;padding:12px 14px}
.stat-card .stat-label{font-size:11px;color:#999;margin-bottom:6px}
.stat-card .stat-num{font-size:22px;font-weight:600;color:var(--text-primary);line-height:1.1}
.stat-card .stat-num em{font-style:normal;font-size:12px;color:#999;font-weight:400;margin-left:2px}
.stat-card .stat-trend{font-size:10px;margin-top:5px}
.stat-card .stat-trend.up{color:#f53f3f}
.stat-card .stat-trend.down{color:#00b42a}
.mock-table{border:1px solid #f0f0f0;border-radius:10px;overflow:hidden}
.mock-table table{width:100%;border-collapse:collapse;font-size:12px}
.mock-table th{background:#fafafa;color:#999;font-weight:400;text-align:left;padding:8px 14px;border-bottom:1px solid #f0f0f0;font-size:11px}
.mock-table td{padding:9px 14px;border-bottom:1px solid #f7f7f7;color:#444}
.mock-table tr:last-child td{border-bottom:none}
.isp-tag{display:inline-block;padding:1px 8px;border-radius:4px;font-size:10px;font-weight:500}
.isp-kt{background:#eef4ff;color:#1663d9}
.latency{color:#00b42a;font-weight:500}
.status-dot{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:#666}
.status-dot i{width:6px;height:6px;border-radius:50%;background:#00b42a}
.status-dot i.warn{background:#ff7d00}
.mock-float{position:absolute;background:#fff;border-radius:12px;box-shadow:var(--shadow-pop);border:1px solid #f0f0f0;padding:12px 16px;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-primary);font-weight:500;animation:floaty 4s ease-in-out infinite}
.mock-float i{width:8px;height:8px;border-radius:50%}
.mock-float.f1{left:-56px;top:120px;animation-delay:0s}
.mock-float.f1 i{background:#00b42a}
.mock-float.f2{right:-48px;top:250px;animation-delay:1.2s}
.mock-float.f2 i{background:#1663d9}
.mock-float.f3{right:-30px;bottom:80px;animation-delay:2.1s}
.mock-float.f3 i{background:#ff7d00}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ========== 分区标签 ========== */
.section{padding:110px 0}
.sec-tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-secondary);margin-bottom:20px}
.sec-tag i{width:6px;height:6px;border-radius:50%;background:var(--mint)}
.sec-tag b{font-weight:400;color:var(--text-secondary)}
.sec-tag span{font-size:11px;letter-spacing:1.5px;color:#b3b3b3;text-transform:uppercase}

/* ========== 特性大卡 ========== */
.feature-card{background:#fff;border:1px solid #f0f0f0;border-radius:20px;box-shadow:var(--shadow-card);overflow:hidden;display:grid;grid-template-columns:1fr 1.1fr;min-height:420px}
.feature-card .fc-text{padding:64px 20px 64px 64px;display:flex;flex-direction:column;justify-content:center}
.feature-card .fc-visual{position:relative;background:linear-gradient(160deg,#f6fdf9 0%,#eef7ff 100%);display:flex;align-items:center;justify-content:center;overflow:hidden}
.feature-card h3{font-size:38px;font-weight:500;color:var(--text-primary);line-height:1.35;letter-spacing:.5px}
.feature-card .fc-desc{margin-top:24px;font-size:15px;color:var(--text-secondary);line-height:1.9;max-width:420px}
.feature-card .fc-list{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.feature-card .fc-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-regular)}
.feature-card .fc-list li .ic-ck{width:16px;height:16px;flex-shrink:0}
.feature-card.reverse .fc-text{order:2;padding:64px 64px 64px 20px}
.feature-card.reverse .fc-visual{order:1}

/* 视觉：网络雷达 */
.radar{position:relative;width:340px;height:340px}
.radar-ring{position:absolute;inset:0;border-radius:50%;border:1px dashed rgba(0,180,42,.35);animation:pulse 3s ease-out infinite}
.radar-ring:nth-child(2){inset:36px;animation-delay:.6s}
.radar-ring:nth-child(3){inset:72px;animation-delay:1.2s}
@keyframes pulse{0%{opacity:1;transform:scale(.92)}70%{opacity:0;transform:scale(1.06)}100%{opacity:0;transform:scale(1.06)}}
.radar-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:120px;height:120px;background:#fff;border-radius:50%;box-shadow:0 8px 32px rgba(0,180,42,.18);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.radar-core b{font-size:22px;color:var(--text-primary)}
.radar-core span{font-size:11px;color:#999}
.radar-node{position:absolute;background:#fff;border:1px solid #e6f5ea;border-radius:999px;padding:5px 12px;font-size:11px;color:var(--text-regular);box-shadow:0 4px 12px rgba(0,0,0,.06);display:flex;align-items:center;gap:6px;white-space:nowrap}
.radar-node i{width:6px;height:6px;border-radius:50%}
.radar-node.n1{left:-18px;top:52px}
.radar-node.n1 i{background:#1663d9}
.radar-node.n2{right:-24px;top:34px}
.radar-node.n2 i{background:#d96a00}
.radar-node.n3{left:6px;bottom:44px}
.radar-node.n3 i{background:#7b3fe4}
.radar-node.n4{right:-6px;bottom:76px}
.radar-node.n4 i{background:#00b42a}

/* 视觉：C段IP网格 + 机柜 */
.ip-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;width:320px}
.ip-cell{aspect-ratio:1;border-radius:6px;background:#fff;border:1px solid #e8e8e8;position:relative;transition:var(--transition)}
.ip-cell.on{background:linear-gradient(135deg,#23c343,#00b42a);border-color:transparent;box-shadow:0 3px 10px rgba(0,180,42,.3)}
.ip-cell.part{background:#d9f2e0;border-color:#b5e6c2}
.ip-grid-legend{display:flex;gap:18px;margin-top:18px;font-size:11px;color:#888}
.ip-grid-legend i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.rack{display:flex;flex-direction:column;gap:8px;width:300px}
.rack-unit{background:#fff;border:1px solid #e8e8e8;border-radius:8px;padding:10px 14px;display:flex;align-items:center;gap:12px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.rack-unit .ru-led{width:7px;height:7px;border-radius:50%;background:#00b42a;box-shadow:0 0 6px rgba(0,180,42,.6);animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.rack-unit .ru-name{font-size:12px;font-weight:500;color:var(--text-primary);width:88px}
.rack-unit .ru-bar{flex:1;height:5px;border-radius:3px;background:#f0f0f0;overflow:hidden}
.rack-unit .ru-bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,#23c343,#00b42a)}
.rack-unit .ru-val{font-size:10px;color:#999;width:44px;text-align:right}

/* ========== 场景区（浅灰渐变 + 跑马灯） ========== */
.scenes{background:linear-gradient(180deg,#ffffff 0%,#f7f8f8 20%,#f7f8f8 80%,#ffffff 100%);position:relative;overflow:hidden}
.scenes::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,transparent 0 90px,rgba(0,0,0,.016) 90px 91px);pointer-events:none}
.scenes-head{text-align:center;position:relative}
.scenes-head h2{font-size:40px;font-weight:500;color:var(--text-primary);letter-spacing:.5px}
.scenes-head p{max-width:680px;margin:22px auto 0;font-size:15px;color:var(--text-secondary);line-height:1.9}
.scene-row{margin-top:56px;display:flex;gap:18px;overflow:hidden;position:relative}
.scene-track{display:flex;gap:18px;animation:marquee 36s linear infinite;width:max-content}
.scene-track:hover{animation-play-state:paused}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.scene-pill{background:#fff;border:1px solid #ececec;border-radius:14px;padding:18px 26px;display:flex;align-items:center;gap:14px;box-shadow:0 2px 10px rgba(0,0,0,.04);flex-shrink:0;transition:var(--transition)}
.scene-pill:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(0,0,0,.10)}
.scene-pill .sp-icon{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.scene-pill .sp-icon svg{width:21px;height:21px}
.scene-pill .sp-name{font-size:15px;font-weight:500;color:var(--text-primary)}
.scene-pill .sp-desc{font-size:11px;color:#999;margin-top:2px}

/* ========== 场景详情页 ========== */
.scene-detail{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px}
.sd-card{background:#fff;border:1px solid #ececec;border-radius:var(--radius-card);padding:36px 32px;transition:var(--transition);position:relative;overflow:hidden}
.sd-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-pop);border-color:#d9f2e0}
.sd-card .sd-icon{width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.sd-card .sd-icon svg{width:26px;height:26px}
.sd-card h3{font-size:20px;font-weight:500;color:var(--text-primary);margin-bottom:6px}
.sd-card .sd-sub{font-size:12px;color:#bbb;margin-bottom:16px;letter-spacing:.5px}
.sd-card p{font-size:14px;color:var(--text-secondary);line-height:1.9}
.sd-card .sd-points{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.sd-card .sd-points li{display:flex;gap:9px;font-size:13px;color:#555}
.sd-card .sd-points li .ic-ck{width:15px;height:15px;flex-shrink:0;margin-top:3px}
.sd-card .sd-rec{margin-top:22px;padding-top:18px;border-top:1px solid #f2f2f2;display:flex;align-items:center;justify-content:space-between;font-size:13px}
.sd-card .sd-rec span{color:#999}
.sd-card .sd-rec b{color:var(--mint-dark);font-weight:500}

/* ========== 稳定安全区 ========== */
.reliability{background:linear-gradient(180deg,#f4fbf7 0%,#f8fdfa 100%);position:relative;overflow:hidden}
.reliability::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,180,42,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,180,42,.05) 1px,transparent 1px);background-size:36px 36px;-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 75%);pointer-events:none}
.rel-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;position:relative}
.rel-head h2{font-size:40px;font-weight:500;color:var(--text-primary);letter-spacing:.5px}
.rel-head p{max-width:380px;font-size:15px;color:var(--text-secondary);line-height:1.9;text-align:right;padding-bottom:6px}
.rel-grid{margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative}
.rel-card{background:#fff;border:1px solid #e9f4ec;border-radius:var(--radius-card);padding:36px 32px;box-shadow:0 2px 12px rgba(0,60,25,.05);transition:var(--transition)}
.rel-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(0,60,25,.12)}
.rel-card .rc-icon{width:52px;height:52px;border-radius:13px;background:#eefaf1;display:flex;align-items:center;justify-content:center;margin-bottom:24px}
.rel-card .rc-icon svg{width:26px;height:26px}
.rel-card h4{font-size:19px;font-weight:500;color:var(--text-primary);margin-bottom:12px}
.rel-card p{font-size:14px;color:var(--text-secondary);line-height:1.9}
.rel-card .rc-meta{margin-top:20px;padding-top:18px;border-top:1px solid #f2f2f2;display:flex;gap:24px}
.rel-card .rc-meta div b{display:block;font-size:20px;font-weight:600;color:var(--mint-dark)}
.rel-card .rc-meta div span{font-size:11px;color:#999}

/* ========== 延迟表 ========== */
.lat-wrap{margin-top:48px;background:#fff;border:1px solid #ececec;border-radius:var(--radius-card);overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.lat-table{width:100%;border-collapse:collapse;font-size:14px}
.lat-table thead th{background:#fafafa;color:#999;font-weight:400;font-size:12px;text-align:left;padding:14px 24px;border-bottom:1px solid #ececec;white-space:nowrap}
.lat-table tbody td{padding:14px 24px;border-bottom:1px solid #f5f5f5;color:#444}
.lat-table tbody tr:last-child td{border-bottom:none}
.lat-table .lat-val{color:var(--mint-dark);font-weight:600}
.lat-table .lat-city{font-weight:500;color:var(--text-primary)}

/* ========== 方案区 ========== */
.plans-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px}
.plans-head h2{font-size:40px;font-weight:500;color:var(--text-primary);letter-spacing:.5px}
.plans-tabs{display:inline-flex;background:#f5f5f5;border-radius:999px;padding:4px;gap:2px}
.plans-tabs button{padding:9px 24px;border-radius:999px;font-size:14px;color:#666;transition:var(--transition)}
.plans-tabs button.on{background:#fff;color:var(--text-primary);font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,.08)}
/* 自适应等宽网格：卡片数量不定（按区域筛选后 2-18 张）也能整齐铺满，不会留半排空位 */
.plans-grid{margin-top:48px;display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:18px}
.plan-card{background:#fff;border:1px solid #ececec;border-radius:var(--radius-card);padding:32px 28px;position:relative;transition:var(--transition);display:flex;flex-direction:column}
.plan-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-pop);border-color:#d9f2e0}
.plan-card.hot{border:1.5px solid #00b42a;box-shadow:0 8px 32px rgba(0,180,42,.14)}
.plan-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--mint);color:#fff;font-size:11px;padding:3px 14px;border-radius:999px;white-space:nowrap;font-weight:500}
.plan-card .pc-name{font-size:17px;font-weight:600;color:var(--text-primary)}
.plan-card .pc-sub{font-size:12px;color:#999;margin-top:4px}
.plan-card .pc-price{margin:22px 0 6px}
.plan-card .pc-price b{font-size:34px;font-weight:600;color:#f53f3f;letter-spacing:-.5px}
.plan-card .pc-price b i{font-style:normal;font-size:14px;font-weight:500}
.plan-card .pc-price span{font-size:12px;color:#999}
.plan-card .pc-specs{margin:20px 0 26px;display:flex;flex-direction:column;gap:11px;flex:1}
.plan-card .pc-specs li{display:flex;align-items:center;gap:9px;font-size:13px;color:#555}
.plan-card .pc-specs li .ic-ck{width:14px;height:14px;flex-shrink:0}
.plan-card .pc-specs li b{color:var(--text-primary);font-weight:500}
.plan-card .btn{width:100%;padding:11px 0;font-size:14px}
.plans-note{margin-top:28px;text-align:center;font-size:13px;color:#999}
.plans-note a{color:var(--mint-dark)}
.plans-note a:hover{text-decoration:underline}

/* ========== 测试 IP 池 ========== */
.testip .tip-tip{max-width:380px;font-size:14px;color:var(--text-secondary);line-height:1.9;text-align:right;padding-bottom:6px}
.tip-wrap{margin-top:48px;background:#fff;border:1px solid #ececec;border-radius:var(--radius-card);box-shadow:0 2px 12px rgba(0,0,0,.04)}
.tip-scroll{max-height:460px;overflow-y:auto;border-radius:var(--radius-card)}
.tip-scroll::-webkit-scrollbar{width:8px}
.tip-scroll::-webkit-scrollbar-thumb{background:#e0e0e0;border-radius:4px}
.tip-scroll::-webkit-scrollbar-thumb:hover{background:#c8c8c8}
.tip-table{width:100%;border-collapse:collapse;font-size:14px}
.tip-table thead th{position:sticky;top:0;background:#fafafa;color:#999;font-weight:400;font-size:12px;text-align:left;padding:13px 22px;border-bottom:1px solid #ececec;z-index:2;white-space:nowrap}
.tip-table tbody td{padding:13px 22px;border-bottom:1px solid #f5f5f5;color:#444;white-space:nowrap}
.tip-table tbody tr{cursor:pointer;transition:background .2s ease}
.tip-table tbody tr:hover{background:#f6fbf8}
.tip-table tbody tr:last-child td{border-bottom:none}
.tip-table .tip-ip{font-family:"SF Mono",Consolas,"Courier New",monospace;font-weight:500;color:var(--text-primary)}
.tip-table col.c-no{width:80px}
.tip-table col.c-ip{width:190px}
.tip-table col.c-net{width:160px}
.tip-table col.c-isp{width:100px}
.tip-table col.c-type{width:120px}
.tip-table col.c-st{width:120px}
.tip-copy{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--mint-dark);border:1px solid #d9f2e0;background:#f6fbf8;border-radius:999px;padding:4px 13px;transition:var(--transition)}
.tip-copy:hover{background:#e8f8ec;border-color:#00b42a}
.tip-copy svg{width:11px;height:11px}
.tip-copy.done{color:#fff;background:#00b42a;border-color:#00b42a}
.tip-toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);background:var(--btn-black);color:#fff;font-size:13px;padding:10px 22px;border-radius:999px;opacity:0;pointer-events:none;transition:all .3s ease;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.tip-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
/* 测试 IP 池「显示全部」按钮（首屏只渲染前 12 行，其余增量加载） */
.testip-more{margin-top:18px;text-align:center}
.testip-more .btn{min-width:260px;padding:11px 26px}
.testip-more .btn.done{border-color:#d9f2e0;color:var(--mint-dark);background:#f6fbf8;cursor:default}

/* ========== 硬件配置表 ========== */
.hw-wrap{margin-top:48px;background:#fff;border:1px solid #ececec;border-radius:var(--radius-card);overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.04);overflow-x:auto}
.hw-table{width:100%;border-collapse:collapse;font-size:14px;min-width:760px}
.hw-table thead th{background:#fafafa;color:#999;font-weight:400;font-size:12px;text-align:left;padding:14px 24px;border-bottom:1px solid #ececec;white-space:nowrap}
.hw-table tbody td{padding:14px 24px;border-bottom:1px solid #f5f5f5;color:#444;white-space:nowrap}
.hw-table tbody tr:last-child td{border-bottom:none}
.hw-table .hw-name{font-weight:500;color:var(--text-primary)}

/* ========== 测试 IP 池（products.php#testip） ========== */
.testip-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
/* 必须排在 .hw-wrap 之后：.hw-wrap 的 overflow:hidden 会盖掉 overflow-y，
   这里显式放开纵向滚动，让长表格限高可滚（滚动条样式复用 .tip-scroll） */
.testip-wrap{margin-top:0;max-height:460px;overflow-y:auto}
.testip-wrap .hw-table{min-width:640px}
.testip-wrap .hw-table thead th{position:sticky;top:0;z-index:1}
.testip-ip{font-family:var(--font-mono);font-size:13.5px;color:var(--text-primary);letter-spacing:.2px}

/* ========== FAQ ========== */
.faq-cat{margin-top:48px}
.faq-cat h3{font-size:22px;font-weight:500;color:var(--text-primary);margin-bottom:8px;display:flex;align-items:center;gap:10px}
.faq-cat h3 i{width:6px;height:6px;border-radius:50%;background:var(--mint)}
.faq-cat .fc-desc{font-size:13px;color:#999;margin-bottom:20px}
.faq-item{background:#fff;border:1px solid #ececec;border-radius:14px;margin-bottom:12px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:#d9f2e0}
.faq-item.open{border-color:#00b42a;box-shadow:0 6px 20px rgba(0,180,42,.08)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:19px 24px;font-size:15px;font-weight:500;color:var(--text-primary);text-align:left}
.faq-q svg{width:15px;height:15px;flex-shrink:0;color:#999;transition:transform var(--transition)}
.faq-item.open .faq-q svg{transform:rotate(180deg);color:var(--mint-dark)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 24px 20px;font-size:14px;color:var(--text-secondary);line-height:1.9}
.faq-a-inner p{margin-bottom:10px}
.faq-a-inner p:last-child{margin-bottom:0}
.faq-a-inner code{background:#f5f5f5;border-radius:4px;padding:1px 6px;font-size:12px;font-family:"SF Mono",Consolas,monospace;color:#d54941}

/* ========== 文档入口卡 ========== */
.docs-grid{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.doc-card{background:#fff;border:1px solid #ececec;border-radius:var(--radius-card);padding:32px 30px;transition:var(--transition)}
.doc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-pop);border-color:#d9f2e0}
.doc-card .dc-icon{width:46px;height:46px;border-radius:12px;background:#eefaf1;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.doc-card .dc-icon svg{width:22px;height:22px}
.doc-card h4{font-size:17px;font-weight:500;color:var(--text-primary);margin-bottom:8px}
.doc-card p{font-size:13px;color:var(--text-secondary);line-height:1.8}
.doc-card .dc-link{display:inline-flex;align-items:center;gap:5px;margin-top:18px;font-size:13px;color:var(--mint-dark)}
.doc-card .dc-link svg{width:12px;height:12px;transition:transform var(--transition)}
.doc-card:hover .dc-link svg{transform:translateX(3px)}

/* ========== 数据带 ========== */
.stats-band{background:var(--btn-black);padding:64px 0}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats-row .sb-item b{display:block;font-size:42px;font-weight:600;color:#fff;letter-spacing:0}
.stats-row .sb-item b em{font-style:normal;font-size:18px;color:#00d448;font-weight:500}
.stats-row .sb-item span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.55)}

/* ========== CTA ========== */
.cta{padding:110px 0;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;left:50%;bottom:-300px;transform:translateX(-50%);width:900px;height:600px;border-radius:50%;background:radial-gradient(ellipse at center,rgba(0,180,42,.07) 0%,rgba(255,255,255,0) 70%);pointer-events:none}
.cta h2{font-size:44px;font-weight:500;color:var(--text-primary);letter-spacing:.5px;position:relative}
.cta p{margin:22px auto 0;max-width:560px;font-size:15px;color:var(--text-secondary);line-height:1.9;position:relative}
.cta-btns{margin-top:44px;display:flex;justify-content:center;gap:16px;position:relative}

/* ========== 页脚 ========== */
.footer{background:#0c0f14;color:#fff;padding:72px 0 0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px}
.footer-brand .fb-name{font-size:30px;font-weight:600;letter-spacing:2px;color:#fff}
.footer-brand .fb-desc{margin-top:18px;font-size:13px;color:rgba(255,255,255,.5);line-height:1.9;max-width:300px}
.footer-col h5{font-size:14px;font-weight:500;color:#fff;margin-bottom:20px}
.footer-col a{display:block;font-size:13px;color:rgba(255,255,255,.5);margin-bottom:14px;transition:color var(--transition)}
.footer-col a:hover{color:#fff}
/* 底部版权与备案信息固定一排：不换行，超长时左侧省略号收敛 */
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0 28px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:nowrap}
.footer-bottom>p{flex:1 1 auto;min-width:0;font-size:12px;color:rgba(255,255,255,.38);line-height:1.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.footer-bottom .fb-record{flex:0 0 auto;display:flex;align-items:center;gap:14px;font-size:12px;color:rgba(255,255,255,.38);white-space:nowrap}
.footer-bottom .fb-record span{white-space:nowrap}
.footer-bottom .fb-record span+span{padding-left:14px;border-left:1px solid rgba(255,255,255,.14)}

/* ========== 滚动显现 ========== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ========== 响应式 ========== */
@media (max-width:1200px){
  .hero h1{font-size:54px}
  .feature-card h3{font-size:32px}
  .plans-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(3,1fr)}
  .scene-detail{grid-template-columns:1fr}
  .docs-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .nav-links{display:none}
  /* 移动端展开（JS 行内 flex column）时，二级项常显并缩进，避免下拉不可用 */
  .nav-item{flex-direction:column;align-items:flex-start;height:auto}
  .nav-sub{position:static;opacity:1;visibility:visible;transform:none;border:0;box-shadow:none;padding:0 0 0 12px;min-width:0}
  .nav-sub a{padding:7px 0}
  .nav-mobile-toggle{display:flex}
  .hero{padding:140px 0 70px}
  .hero h1{font-size:44px}
  .page-hero h1{font-size:36px}
  .feature-card{grid-template-columns:1fr;min-height:0}
  .feature-card .fc-text{padding:44px 32px}
  .feature-card .fc-visual{padding:48px 24px;min-height:320px}
  .feature-card.reverse .fc-text{order:1;padding:44px 32px}
  .feature-card.reverse .fc-visual{order:2}
  .rel-head{flex-direction:column;align-items:flex-start;gap:18px}
  .rel-head p{text-align:left}
  .rel-grid{grid-template-columns:1fr}
  .plans-head{flex-direction:column;align-items:flex-start;gap:22px}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:36px}
  .mock-float{display:none}
  .footer-top{grid-template-columns:1fr 1fr}
  .docs-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .hero h1{font-size:34px}
  .hero-cta{flex-direction:column;gap:18px}
  .page-hero{padding:120px 0 56px}
  .page-hero h1{font-size:30px}
  .section{padding:72px 0}
  .scenes-head h2,.rel-head h2,.plans-head h2,.cta h2,.faq-cat h3{font-size:26px}
  .plans-grid{grid-template-columns:1fr}
  .mock-stats{grid-template-columns:repeat(2,1fr)}
  .testip-stats{grid-template-columns:repeat(2,1fr)}
  .mock-side{display:none}
  .footer-top{grid-template-columns:1fr;gap:32px}
  /* 窄屏仍然竖排（一排放不下），但要放开省略号截断，保证信息完整可读 */
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-bottom>p{white-space:normal;overflow:visible;text-overflow:clip}
  .footer-bottom .fb-record{flex-direction:column;align-items:flex-start;gap:6px}
  .footer-bottom .fb-record span{white-space:normal}
  .footer-bottom .fb-record span+span{padding-left:0;border-left:none}
  .ip-grid{width:260px}
  .testip .tip-tip{text-align:left}
  .tip-table thead th,.tip-table tbody td{padding:12px 14px}
  .tip-table th:nth-child(3),.tip-table td:nth-child(3),
  .tip-table th:nth-child(5),.tip-table td:nth-child(5){display:none}
  .lat-table thead th,.lat-table tbody td{padding:12px 16px}
}

/* ========== 服务承诺条 ========== */
.promise{padding:80px 0;background:linear-gradient(180deg,#f4fbf7 0%,#f8fdfa 100%);border-top:1px solid #e9f4ec;border-bottom:1px solid #e9f4ec}
.promise-row{margin-top:48px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.promise-item{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid #e9f4ec;border-radius:14px;padding:18px 20px;box-shadow:0 2px 10px rgba(0,60,25,.04);transition:opacity .7s ease,transform .7s ease,box-shadow .3s ease}
.promise-item:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,60,25,.10)}
.promise-item .pi-icon{width:42px;height:42px;border-radius:11px;background:#eefaf1;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.promise-item .pi-icon svg{width:20px;height:20px}
.promise-item b{display:block;font-size:15px;font-weight:600;color:var(--text-primary);line-height:1.4}
.promise-item span{display:block;font-size:12px;color:#999;margin-top:2px;line-height:1.5}

/* ========== 区块右侧说明 ========== */
.sec-note{max-width:380px;font-size:14px;color:var(--text-secondary);line-height:1.9;text-align:right;padding-bottom:6px}

/* ========== 流媒体解锁 ========== */
.stream{background:linear-gradient(180deg,#ffffff 0%,#f7f8f8 18%,#f7f8f8 82%,#ffffff 100%);position:relative;overflow:hidden}
.stream-grid{margin-top:48px;display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.stream-card{background:#fff;border:1px solid #ececec;border-radius:14px;padding:26px 16px 22px;text-align:center;position:relative;transition:opacity .7s ease,transform .7s ease,box-shadow .3s ease,border-color .3s ease}
.stream-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(0,0,0,.08);border-color:#d9f2e0}
.stream-card .sc-icon{width:46px;height:46px;border-radius:12px;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;color:#fff;letter-spacing:.5px}
.stream-card h5{font-size:14px;font-weight:500;color:var(--text-primary)}
.stream-card p{font-size:11px;color:#999;margin-top:4px;line-height:1.6}
.stream-card .sc-check{position:absolute;top:12px;right:12px;width:20px;height:20px;border-radius:50%;background:#e8f8ec;display:flex;align-items:center;justify-content:center}
.stream-card .sc-check svg{width:10px;height:10px}
.stream-note{margin-top:30px;text-align:center;font-size:13px;color:#999;line-height:1.8}

/* ========== 新客体验条 ========== */
.trial-band{margin:32px 0 4px;background:linear-gradient(135deg,#f6fdf9 0%,#eef7ff 100%);border:1px solid #d9f2e0;border-radius:var(--radius-card);padding:24px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.trial-band .tb-main{display:flex;align-items:baseline;gap:10px}
.trial-band .tb-tag{background:var(--mint);color:#fff;font-size:11px;padding:3px 12px;border-radius:999px;font-weight:500;align-self:center}
.trial-band .tb-price{font-size:30px;font-weight:600;color:#f53f3f;line-height:1}
.trial-band .tb-price i{font-style:normal;font-size:14px;font-weight:500}
.trial-band .tb-unit{font-size:13px;color:#999}
.trial-band .tb-desc{width:100%;margin-top:12px;font-size:13px;color:var(--text-secondary);line-height:1.8}
.trial-band .btn{flex-shrink:0}

/* ========== 解锁能力 chips ========== */
.unlock-strip{margin-top:30px;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-secondary)}
.unlock-strip b{font-weight:500;color:var(--text-primary)}
.unlock-strip span{background:#f6fbf8;border:1px solid #d9f2e0;color:var(--mint-dark);border-radius:999px;padding:4px 14px;font-size:12px}

/* ========== 方案原价 ========== */
.plan-card .pc-orig{display:block;font-size:13px;color:#bbb;text-decoration:line-through;font-style:normal;margin-bottom:2px}

/* ========== 在线客服浮动入口 ========== */
.kf{position:fixed;right:24px;bottom:32px;z-index:150;display:flex;flex-direction:column;align-items:flex-end;gap:12px;pointer-events:none}
.kf-btn{background:var(--btn-black);color:#fff;border-radius:999px;padding:12px 22px;font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:8px;box-shadow:0 8px 24px rgba(0,0,0,.22);transition:var(--transition);pointer-events:auto}
.kf-btn:hover{background:#000;transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.28)}
.kf-btn svg{width:15px;height:15px}
.kf-panel{width:272px;background:#fff;border:1px solid #ececec;border-radius:16px;box-shadow:var(--shadow-pop);overflow:hidden;opacity:0;transform:translateY(12px);pointer-events:none;transition:all .3s ease}
.kf.open .kf-panel{opacity:1;transform:none;pointer-events:auto}
.kf-head{padding:18px 20px 14px;background:linear-gradient(135deg,#f6fdf9 0%,#eef7ff 100%);border-bottom:1px solid #f0f0f0;position:relative}
.kf-head b{display:block;font-size:15px;font-weight:600;color:var(--text-primary)}
.kf-head span{font-size:11px;color:#999}
.kf-close{position:absolute;top:10px;right:12px;font-size:18px;color:#999;line-height:1;padding:4px}
.kf-close:hover{color:var(--text-primary)}
.kf-body{padding:10px}
.kf-item{display:flex;align-items:center;gap:11px;width:100%;padding:10px 12px;border-radius:10px;text-align:left;transition:background .2s ease}
.kf-item:hover{background:#f6fbf8}
.kf-item .ki-icon{width:32px;height:32px;border-radius:9px;background:#eefaf1;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.kf-item .ki-icon svg{width:15px;height:15px}
.kf-item .ki-text b{display:block;font-size:13px;font-weight:500;color:var(--text-primary)}
.kf-item .ki-text span{font-size:11px;color:#999}
.kf-foot{padding:10px 20px 14px;font-size:11px;color:#bbb;border-top:1px solid #f5f5f5}

/* ========== 响应式补充 ========== */
@media (max-width:1200px){
  .promise-row{grid-template-columns:repeat(2,1fr)}
  .stream-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:992px){
  .sec-note{text-align:left;max-width:100%}
  .stream-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:640px){
  .promise-row{grid-template-columns:1fr}
  .stream-grid{grid-template-columns:repeat(2,1fr)}
  .trial-band{flex-direction:column;align-items:flex-start}
  .kf{right:16px;bottom:20px}
  .kf-panel{width:calc(100vw - 32px);max-width:320px}
}

/* ========== 住宅 vs 机房对比表 ========== */
.vs-table th.vs-good,.vs-table td.vs-good{background:#f6fbf8}
.vs-table thead th.vs-good{color:#00832a;font-weight:600}
.vs-table td.vs-good{color:#1a1a1a}
.vs-table td.hw-name{width:130px}

/* ========== 路由追踪 Looking Glass ========== */
.lg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:22px}
.lg-card{background:#fff;border:1px solid #ececec;border-radius:16px;overflow:hidden;box-shadow:0 1px 2px rgba(0,0,0,.03),0 8px 24px rgba(0,0,0,.05)}
.lg-head{padding:18px 22px;background:linear-gradient(135deg,#f6fbf8 0%,#ffffff 70%);border-bottom:1px solid #f0f0f0}
.lg-carrier{display:inline-block;font-size:15px;font-weight:600;color:#1a1a1a;margin-bottom:6px}
.lg-route{display:block;font-size:12px;color:#00832a;font-family:"SF Mono",Consolas,monospace}
.lg-body{padding:8px 22px 16px}
.lg-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #f5f5f5;font-size:13px}
.lg-row:last-child{border-bottom:none}
.lg-row b{font-weight:500;color:#999;flex-shrink:0}
.lg-row span{color:#333;text-align:right}
.lg-trace{background:#1a1a1a;border-radius:16px;overflow:hidden;box-shadow:0 12px 32px rgba(0,0,0,.14)}
.lg-trace-h{display:flex;align-items:center;gap:7px;padding:13px 20px;background:#242424;border-bottom:1px solid #333}
.lg-trace-h b{font-size:13px;color:#e8e8e8;font-family:"SF Mono",Consolas,monospace;font-weight:500}
.lg-dot{width:10px;height:10px;border-radius:50%;background:#ff5f57}
.lg-dot.y{background:#febc2e}.lg-dot.g{background:#28c840}
.lg-trace-note{margin-left:auto;font-size:11px;color:#888}
.lg-pre{margin:0;padding:18px 20px;overflow-x:auto;font-family:"SF Mono",Consolas,"Courier New",monospace;font-size:12px;line-height:1.9;color:#c9ecd3}
@media (max-width:992px){.lg-grid{grid-template-columns:1fr}}

/* ========== 定价页：阶梯价格表 ========== */
.pp-table{min-width:880px}
.pp-table td.pp-cell{white-space:nowrap}
.pp-table .pp-price{font-weight:600;color:#f53f3f;font-size:15px}
.pp-table .pp-avg{color:var(--text-secondary);font-size:13px}
.pp-hot{display:inline-block;background:#fff1f0;border:1px solid #ffccc7;color:#f53f3f;font-size:11px;padding:1px 8px;border-radius:999px;margin-left:8px;vertical-align:1px;font-weight:400}
.pp-btn{display:inline-block;border:1px solid #d9f2e0;color:var(--mint-dark);background:#f6fbf8;font-size:13px;padding:6px 16px;border-radius:999px;transition:var(--transition);white-space:nowrap}
.pp-btn:hover{background:var(--mint);border-color:var(--mint);color:#fff}
.pp-btn-black{background:var(--btn-black);border-color:var(--btn-black);color:#fff}
.pp-btn-black:hover{background:#000;border-color:#000}

/* ========== 定价页：优惠码 ========== */
.cpn-grid{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cpn-card{position:relative;background:#fff;border:1px solid #ececec;border-radius:var(--radius-card);padding:28px 28px 26px;box-shadow:0 2px 12px rgba(0,0,0,.04);transition:var(--transition);overflow:hidden}
.cpn-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-pop);border-color:#d9f2e0}
.cpn-card-hot{border-color:#ffccc7;background:linear-gradient(135deg,#fffbfb 0%,#ffffff 60%)}
.cpn-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px}
.cpn-tag{font-size:11px;padding:3px 12px;border-radius:999px;font-weight:500;white-space:nowrap}
.cpn-tag-mint{background:#e8f8ec;color:#00832a}
.cpn-tag-red{background:#fff1f0;color:#f53f3f}
.cpn-tag-blue{background:#e8f3ff;color:#0d6efd}
.cpn-expire{font-size:11px;color:#bbb;white-space:nowrap}
.cpn-price{font-size:38px;font-weight:600;color:#f53f3f;line-height:1;display:flex;align-items:baseline;gap:2px}
.cpn-price i{font-style:normal;font-size:16px;font-weight:500}
.cpn-price span{font-size:13px;color:#999;font-weight:400;margin-left:6px}
.cpn-card h4{font-size:16px;font-weight:500;color:var(--text-primary);margin:16px 0 8px}
.cpn-card p{font-size:13px;color:var(--text-secondary);line-height:1.8;min-height:66px}
.cpn-code{margin-top:18px;width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px dashed #d9f2e0;background:#f6fbf8;border-radius:10px;padding:10px 14px;transition:var(--transition)}
.cpn-code:hover{border-color:var(--mint);background:#eefaf1}
.cpn-code-text{font-size:15px;font-weight:600;color:var(--text-primary);letter-spacing:1px}
.cpn-copy{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--mint-dark);white-space:nowrap}
.cpn-copy svg{width:13px;height:13px}

/* ========== 帮助中心：搜索 ========== */
.help-search{margin:36px auto 0;max-width:560px;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #e9f4ec;border-radius:999px;padding:6px 6px 6px 20px;box-shadow:0 4px 16px rgba(0,60,25,.06);position:relative}
.help-search svg{width:17px;height:17px;color:#999;flex-shrink:0}
.help-search input{flex:1;border:none;outline:none;font-size:14px;color:var(--text-primary);background:transparent;min-width:0}
.help-search input::placeholder{color:#bbb}
.help-hotwords{margin-top:16px;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;font-size:12px;color:#999}
.hhw{border:1px solid #ececec;background:#fff;border-radius:999px;padding:4px 14px;font-size:12px;color:var(--text-secondary);transition:var(--transition)}
.hhw:hover{border-color:#d9f2e0;color:var(--mint-dark);background:#f6fbf8}

/* ========== 帮助中心：热门文章 ========== */
.hot-list{margin-top:32px;background:#fff;border:1px solid #ececec;border-radius:var(--radius-card);overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.hot-item{display:flex;align-items:center;gap:18px;padding:17px 26px;border-bottom:1px solid #f5f5f5;transition:background .2s ease}
.hot-item:last-child{border-bottom:none}
.hot-item:hover{background:#f6fbf8}
.hi-no{font-family:"SF Mono",Consolas,monospace;font-size:13px;color:#c9c9c9;width:26px;flex-shrink:0}
.hot-item:nth-child(1) .hi-no{color:#f53f3f;font-weight:600}
.hot-item:nth-child(2) .hi-no{color:#d96a00}
.hot-item:nth-child(3) .hi-no{color:#0d6efd}
.hi-body{flex:1;min-width:0}
.hi-body b{display:block;font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:3px}
.hi-meta{font-size:12px;color:#999}
.hi-views{font-size:12px;color:#bbb;flex-shrink:0}
.help-empty{margin-top:32px;text-align:center;padding:48px 24px;background:#fff;border:1px dashed #ececec;border-radius:var(--radius-card);color:#999}
.help-empty svg{width:34px;height:34px;margin:0 auto 14px;color:#ddd}
.help-empty p{font-size:14px;line-height:1.8}
.help-empty b{color:var(--text-primary);font-weight:500}
.help-none{grid-column:1/-1;text-align:center;font-size:14px;color:#999;padding:32px 0}
.help-reset{border:none;background:none;color:var(--mint-dark);font-size:13px;padding:0;text-decoration:underline}

/* ========== 首页：用户评价 ========== */
/* 客户 logo 墙：真实评价客户的品牌条，补充视觉社会认同 */
.logo-wall{margin-top:44px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:center}
.logo-wall .lw-label{font-size:12.5px;color:#9aa7b8;letter-spacing:.5px;flex-shrink:0}
.logo-wall .lw-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center}
.logo-wall .lw-item{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid #e9f0ee;border-radius:999px;padding:8px 18px 8px 9px;font-size:13.5px;font-weight:500;color:var(--text-primary,#1a2233);box-shadow:0 2px 10px rgba(0,60,25,.04);transition:var(--transition,.2s)}
.logo-wall .lw-item:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(0,60,25,.1);border-color:#d5ece0}
.logo-wall .lw-item i{width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:600;font-style:normal;flex-shrink:0}
.voice-grid{margin-top:56px;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.voice-card{position:relative;background:#fff;border:1px solid #e9f4ec;border-radius:var(--radius-card);padding:34px 32px 28px;box-shadow:0 2px 12px rgba(0,60,25,.05);transition:var(--transition)}
.voice-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(0,60,25,.12)}
.vc-quote{position:absolute;top:18px;right:26px;font-size:64px;line-height:1;color:#e8f8ec;font-family:Georgia,serif;pointer-events:none}
.vc-text{font-size:14px;color:var(--text-regular);line-height:2;min-height:84px}
.vc-foot{margin-top:22px;padding-top:20px;border-top:1px solid #f2f2f2;display:flex;align-items:center;gap:12px}
.vc-avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;flex-shrink:0}
.vc-user{flex:1;min-width:0}
.vc-user b{display:block;font-size:14px;font-weight:500;color:var(--text-primary)}
.vc-user span{font-size:12px;color:#999}
.vc-stars{font-size:13px;color:#f7ba1e;letter-spacing:2px;flex-shrink:0}

/* ========== 首页：信任栏 ========== */
.trust-strip{margin-top:32px;background:#0c0f14;border-radius:var(--radius-card);padding:26px 32px;display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.ts-item{display:flex;align-items:center;gap:12px;min-width:0}
.ts-icon{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ts-icon svg{width:19px;height:19px}
.ts-body{min-width:0}
.ts-body b{display:block;font-size:13px;font-weight:500;color:#fff;white-space:nowrap}
.ts-body span{display:block;font-size:11px;color:#8a8f99;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ========== 响应式补充（定价 / 帮助 / 评价） ========== */
@media (max-width:1200px){
  .cpn-grid{grid-template-columns:repeat(2,1fr)}
  .trust-strip{grid-template-columns:repeat(3,1fr);row-gap:22px}
}
@media (max-width:992px){
  .voice-grid{grid-template-columns:1fr}
  .trust-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .cpn-grid{grid-template-columns:1fr}
  .trust-strip{grid-template-columns:1fr;padding:22px}
  .pp-table{min-width:720px}
  .vc-text{min-height:0}
  .vc-quote{font-size:48px}
  .hot-item{flex-wrap:wrap;gap:8px;padding:15px 18px}
  .hi-views{margin-left:44px}
  .help-search{flex-wrap:wrap;border-radius:16px;padding:14px 16px}
  .help-search input{width:100%}
}

/* ========== 站点公告条（后台设置驱动，site.js 注入） ========== */
/* 公告条常驻于导航下方（fixed top:64px），锚点让位需再让出它的高度 */
body.has-announce{--anchor-offset:112px}
.site-announce{position:fixed;top:64px;left:0;right:0;z-index:99;background:linear-gradient(90deg,#00832a,#00b42a 60%,#23c343);color:#fff;font-size:13px;box-shadow:0 4px 14px rgba(0,131,42,.22)}
.site-announce .sa-inner{max-width:var(--container);margin:0 auto;padding:8px 24px;display:flex;align-items:center;gap:9px;line-height:1.5}
.site-announce svg{width:15px;height:15px;flex-shrink:0}
.status-dot.off i{background:#c0c6c3}
button.hot-item{width:100%;text-align:left;font-family:inherit;background:none;cursor:pointer}

/* ========== 帮助中心文章弹层（site.js） ========== */
.kb-overlay{position:fixed;inset:0;background:rgba(15,23,21,.45);display:flex;align-items:center;justify-content:center;padding:24px;z-index:2000;opacity:0;transition:opacity .2s ease}
.kb-overlay.in{opacity:1}
.kb-modal{position:relative;background:#fff;border-radius:var(--radius-card);max-width:720px;width:100%;max-height:82vh;overflow:auto;padding:30px 32px 34px;box-shadow:var(--shadow-pop)}
.kb-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#8a9691;transition:all var(--transition)}
.kb-close:hover{background:#f2f5f3;color:#1a1a1a}
.kb-close svg{width:16px;height:16px}
.kb-kicker{display:inline-block;font-size:12px;color:var(--mint-dark);background:#eefaf1;border-radius:999px;padding:3px 12px;margin-bottom:12px;font-weight:500}
.kb-modal h3{font-size:21px;color:var(--text-primary);line-height:1.45;padding-right:36px}
.kb-meta{font-size:12.5px;color:var(--text-placeholder);margin:8px 0 16px}
.kb-summary{font-size:14px;color:var(--text-secondary);background:var(--bg-gray);border-left:3px solid var(--mint);border-radius:0 10px 10px 0;padding:12px 16px;margin-bottom:18px;line-height:1.75}
.kb-content{font-size:14.5px;line-height:1.9;color:var(--text-regular)}
.kb-content p{margin:0 0 10px}
.kb-content strong{color:var(--text-primary)}
@media (max-width:640px){
  .kb-modal{padding:24px 20px 28px}
  .site-announce .sa-inner{padding:7px 16px;font-size:12px}
}

/* ===== 节点实时状态标签（network.html） ===== */
.tag{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.4}
.tag i{width:6px;height:6px;border-radius:50%;background:currentColor}
.tag-mint{background:#e8f8ec;color:#00832a}
.tag-orange{background:#fff7e8;color:#d96a00}
.tag-red{background:#fff1f0;color:#f53f3f}
.tag-gray{background:#f5f5f5;color:#666}

/* ============================================================
   完整站点扩展：法律文档 / 关于我们 / 服务状态 / 公告中心
   ============================================================ */

/* ---------- 法律文档页（条款/隐私/SLA/退款/AUP） ---------- */
.legal-layout{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:start}
.legal-toc{position:sticky;top:96px;background:#fff;border:1px solid var(--border-lighter);border-radius:12px;padding:18px 8px}
.legal-toc h5{font-size:12px;color:var(--text-placeholder);letter-spacing:1px;padding:0 14px 10px;font-weight:500}
.legal-toc a{display:block;font-size:13px;color:var(--text-secondary);padding:7px 14px;border-radius:8px;line-height:1.5;transition:all .2s}
.legal-toc a:hover{background:var(--bg-gray);color:var(--text-primary)}
.legal-toc a.on{background:#eefaf1;color:var(--mint-dark);font-weight:500}
/* 文章目录（article.php）：二级标题缩进 */
.legal-toc a.kb-toc-sub{padding-left:26px;font-size:12.5px;color:var(--text-placeholder)}
.legal-toc a.kb-toc-sub:hover,.legal-toc a.kb-toc-sub.on{color:var(--mint-dark)}
.legal-doc{background:#fff;border:1px solid var(--border-lighter);border-radius:var(--radius-card);padding:44px 52px 52px;box-shadow:var(--shadow-card)}
.legal-doc .ld-meta{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:var(--text-placeholder);margin-bottom:8px}
.legal-doc .ld-meta b{color:var(--text-secondary);font-weight:500}
.legal-doc .ld-intro{font-size:14.5px;color:var(--text-secondary);line-height:2;background:var(--bg-gray);border-radius:12px;padding:16px 20px;margin:18px 0 8px}
.legal-doc h2{font-size:19px;color:var(--text-primary);font-weight:600;margin:38px 0 14px;padding-left:12px;border-left:3px solid var(--mint);line-height:1.5}
.legal-doc h3{font-size:15.5px;color:var(--text-primary);font-weight:600;margin:24px 0 10px}
.legal-doc p{font-size:14px;color:var(--text-regular);line-height:2;margin-bottom:10px}
.legal-doc ul{margin:4px 0 14px}
.legal-doc ul li{position:relative;font-size:14px;line-height:2;color:var(--text-regular);padding-left:18px;margin-bottom:2px}
.legal-doc ul li::before{content:"";position:absolute;left:2px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--mint);opacity:.7}
.legal-doc ol{margin:4px 0 14px;padding-left:22px;list-style:decimal}
.legal-doc ol li{font-size:14px;line-height:2;color:var(--text-regular);margin-bottom:2px;padding-left:4px}
.legal-doc strong{color:var(--text-primary);font-weight:600}
.legal-doc table{width:100%;border-collapse:collapse;margin:14px 0 18px;font-size:13.5px}
.legal-doc th{background:#f3faf5;color:var(--text-primary);font-weight:600;text-align:left;padding:11px 14px;border:1px solid #dff0e4;white-space:nowrap}
.legal-doc td{padding:10px 14px;border:1px solid var(--border-lighter);color:var(--text-regular);line-height:1.8}
.legal-doc tr:nth-child(even) td{background:#fafcfa}
.legal-doc .ld-note{display:flex;gap:10px;background:#fff8ec;border:1px solid #f5e3c2;border-radius:10px;padding:13px 16px;font-size:13px;color:#8a6116;line-height:1.9;margin:16px 0}
.legal-doc .ld-note svg{width:18px;height:18px;flex-shrink:0;margin-top:4px}
/* 锚点跳转统一让位：站内 #plans / #hw / #testip / #contact 等均会落到固定导航下，
   否则目标区块标题被导航（+公告条）遮住。--anchor-offset 由 :root 定义，
   有公告条时 body.has-announce 会把它加大 */
[id]{scroll-margin-top:var(--anchor-offset)}
.legal-doc h2:focus,.legal-doc h2[id]{scroll-margin-top:var(--anchor-offset)}
.legal-foot{margin-top:34px;padding-top:20px;border-top:1px dashed var(--border-light);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-placeholder)}
.legal-foot a{color:var(--mint-dark)}
.legal-foot a:hover{text-decoration:underline}
@media (max-width:900px){
  .legal-layout{grid-template-columns:1fr}
  .legal-toc{position:static;order:2}
  .legal-doc{padding:28px 22px 34px}
}

/* ---------- 关于我们 ---------- */
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.about-stats .as-item{background:#fff;border:1px solid var(--border-lighter);border-radius:var(--radius-card);padding:26px 20px;text-align:center;box-shadow:var(--shadow-card)}
.about-stats .as-item b{display:block;font-size:30px;font-weight:600;color:var(--text-primary);line-height:1.2}
.about-stats .as-item b em{font-style:normal;font-size:15px;color:var(--mint);margin-left:2px}
.about-stats .as-item span{display:block;font-size:13px;color:var(--text-secondary);margin-top:8px}
.tl{position:relative;margin-top:40px;padding-left:26px}
.tl::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,#b7ecc5,#e3f6e8)}
.tl-item{position:relative;padding:0 0 30px 24px}
.tl-item:last-child{padding-bottom:4px}
.tl-item::before{content:"";position:absolute;left:-26px;top:7px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--mint);box-shadow:0 0 0 4px rgba(0,180,42,.12)}
.tl-item .tl-year{display:inline-block;background:#eefaf1;color:var(--mint-dark);font-size:12px;font-weight:600;padding:2px 12px;border-radius:999px;margin-bottom:8px}
.tl-item h4{font-size:16px;color:var(--text-primary);font-weight:600;margin-bottom:6px}
.tl-item p{font-size:13.5px;color:var(--text-secondary);line-height:1.9;max-width:720px}
.office-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.office-card{background:#fff;border:1px solid var(--border-lighter);border-radius:var(--radius-card);padding:28px 30px;box-shadow:var(--shadow-card)}
.office-card h4{display:flex;align-items:center;gap:8px;font-size:16px;color:var(--text-primary);margin-bottom:12px}
.office-card h4 .oc-tag{font-size:11px;background:#eefaf1;color:var(--mint-dark);padding:2px 10px;border-radius:999px;font-weight:500}
.office-card p{font-size:13.5px;color:var(--text-secondary);line-height:2}
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px}
.contact-card{background:#fff;border:1px solid var(--border-lighter);border-radius:var(--radius-card);padding:24px 22px;text-align:center;transition:all var(--transition)}
.contact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-pop)}
.contact-card .cc-icon{width:46px;height:46px;border-radius:13px;background:#eefaf1;color:var(--mint);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.contact-card .cc-icon svg{width:22px;height:22px}
.contact-card b{display:block;font-size:15px;color:var(--text-primary);margin-bottom:6px}
.contact-card span{display:block;font-size:13px;color:var(--text-secondary);line-height:1.7}
.contact-card .cc-copy{margin-top:10px;font-size:12px;color:var(--mint-dark);cursor:pointer}
.job-list{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.job-item{display:flex;align-items:center;justify-content:space-between;gap:18px;background:#fff;border:1px solid var(--border-lighter);border-radius:var(--radius-card);padding:20px 26px;transition:all var(--transition);flex-wrap:wrap}
.job-item:hover{border-color:#b7ecc5;box-shadow:var(--shadow-card)}
.job-item .ji-main b{font-size:15px;color:var(--text-primary);margin-right:10px}
.job-item .ji-main span{font-size:12px;background:var(--bg-gray);color:var(--text-secondary);padding:3px 10px;border-radius:999px;margin-right:6px}
.job-item .ji-loc{font-size:13px;color:var(--text-placeholder)}
@media (max-width:900px){
  .about-stats{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .office-grid{grid-template-columns:1fr}
}

/* ---------- 服务状态页 ---------- */
.stt-banner{display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,#f2fbf5,#eef7ff);border:1px solid #d9f2e0;border-radius:var(--radius-card);padding:26px 32px;margin-top:34px;flex-wrap:wrap}
.stt-banner .stt-dot{width:14px;height:14px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(0,180,42,.15);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(0,180,42,.14)}50%{box-shadow:0 0 0 8px rgba(0,180,42,.06)}}
.stt-banner b{font-size:18px;color:var(--text-primary)}
.stt-banner span{font-size:13px;color:var(--text-secondary)}
.stt-banner .stt-time{margin-left:auto;font-size:12px;color:var(--text-placeholder)}
.uptime-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.uptime-card{background:#fff;border:1px solid var(--border-lighter);border-radius:var(--radius-card);padding:20px 24px;box-shadow:var(--shadow-card)}
.uptime-card .up-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.uptime-card .up-head b{font-size:14px;color:var(--text-primary)}
.uptime-card .up-head span{font-size:12px;color:var(--mint-dark);background:#eefaf1;padding:2px 10px;border-radius:999px}
.uptime-bars{display:flex;gap:3px;height:34px;align-items:flex-end}
.uptime-bars i{flex:1;border-radius:3px;background:#d9f2e0;min-height:60%;position:relative}
.uptime-bars i.u-warn{background:#ffd591}
.uptime-bars i.u-down{background:#ffb3bd}
.uptime-bars i:hover::after{content:attr(data-d);position:absolute;bottom:110%;left:50%;transform:translateX(-50%);background:#1a1a1a;color:#fff;font-size:11px;padding:3px 8px;border-radius:6px;white-space:nowrap;z-index:5}
.uptime-card .up-foot{display:flex;justify-content:space-between;font-size:11px;color:var(--text-placeholder);margin-top:8px}
.stt-event{background:#fff;border:1px solid var(--border-lighter);border-left:3px solid var(--mint);border-radius:12px;padding:18px 24px;margin-top:14px}
.stt-event.warn{border-left-color:#ff9a2e}
.stt-event .se-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.stt-event .se-head b{font-size:14.5px;color:var(--text-primary)}
.stt-event .se-tag{font-size:11px;padding:2px 10px;border-radius:999px;font-weight:500}
.stt-event .se-tag.ok{background:#eefaf1;color:var(--mint-dark)}
.stt-event .se-tag.wip{background:#fff3e8;color:#d96a00}
.stt-event time{font-size:12px;color:var(--text-placeholder);margin-left:auto}
.stt-event p{font-size:13px;color:var(--text-secondary);line-height:1.9}
@media (max-width:900px){.uptime-grid{grid-template-columns:1fr}.stt-banner .stt-time{margin-left:0}}

/* ---------- 公告中心 ---------- */
.news-list{max-width:860px;margin:0 auto}
.news-item{display:flex;gap:22px;background:#fff;border:1px solid var(--border-lighter);border-radius:var(--radius-card);padding:26px 30px;margin-bottom:18px;box-shadow:var(--shadow-card);transition:all var(--transition)}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-pop)}
.news-item.pinned{border-color:#cdebd6;background:linear-gradient(135deg,#fbfffc,#f4fbf6)}
.news-item .ni-date{flex-shrink:0;text-align:center;width:66px}
.news-item .ni-date b{display:block;font-size:22px;font-weight:600;color:var(--text-primary);line-height:1.2}
.news-item .ni-date span{display:block;font-size:12px;color:var(--text-placeholder);margin-top:2px}
.news-item .ni-body{flex:1;min-width:0}
.news-item .ni-tags{display:flex;gap:8px;margin-bottom:8px;align-items:center;flex-wrap:wrap}
.news-item .ni-tag{font-size:11px;padding:2px 12px;border-radius:999px;font-weight:500}
.news-item .ni-pin{font-size:11px;color:#d96a00;background:#fff3e8;padding:2px 10px;border-radius:999px}
.news-item h3{font-size:16.5px;color:var(--text-primary);font-weight:600;margin-bottom:8px;line-height:1.5}
.news-item .ni-summary{font-size:13.5px;color:var(--text-secondary);line-height:1.9;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .ni-more{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--mint-dark);margin-top:10px;cursor:pointer}
.news-item .ni-more svg{width:12px;height:12px;transition:transform .2s}
.news-item .ni-more:hover svg{transform:translateX(3px)}
.news-empty{text-align:center;padding:70px 0;color:var(--text-placeholder);font-size:14px}
@media (max-width:640px){.news-item{flex-direction:row;padding:20px}.news-item .ni-date{width:52px}}

/* ============================================================
   优惠活动页 promo.php
   ============================================================ */
.promo-hero{background:linear-gradient(135deg,#0b1f14 0%,#123122 45%,#0b1f14 100%);color:#fff;padding:74px 0 66px;position:relative;overflow:hidden}
.promo-hero:before{content:'';position:absolute;width:520px;height:520px;right:-160px;top:-220px;background:radial-gradient(circle,rgba(0,180,42,.28),transparent 62%)}
.promo-hero:after{content:'';position:absolute;width:420px;height:420px;left:-140px;bottom:-200px;background:radial-gradient(circle,rgba(255,106,0,.16),transparent 62%)}
.promo-hero .container{position:relative;z-index:1}
.promo-hero .ph-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#b9f6c8;font-size:12px;padding:6px 16px;border-radius:999px;letter-spacing:.5px}
.promo-hero .ph-tag i{width:6px;height:6px;border-radius:50%;background:#00e23a;box-shadow:0 0 0 4px rgba(0,226,58,.25)}
.promo-hero h1{font-size:40px;line-height:1.28;margin:20px 0 14px;font-weight:700}
.promo-hero .ph-lead{font-size:15px;line-height:1.85;color:rgba(255,255,255,.76);max-width:760px;margin:0}
.ph-countdown{display:flex;align-items:center;gap:14px;margin-top:26px;flex-wrap:wrap}
.ph-countdown .cd-label{font-size:13px;color:rgba(255,255,255,.66)}
.ph-countdown .cd-box{display:flex;gap:8px}
.cd-unit{min-width:62px;text-align:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:9px 6px}
.cd-unit b{display:block;font-size:24px;font-weight:700;color:#fff;font-family:var(--font-mono);line-height:1.2}
.cd-unit span{display:block;font-size:11px;color:rgba(255,255,255,.6);margin-top:2px}
.ph-cta{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}

/* 筛选 */
.promo-filter{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:30px}
.promo-filter button{border:1px solid var(--border-light);background:#fff;color:var(--text-secondary);font-size:13px;padding:7px 18px;border-radius:999px;cursor:pointer;transition:var(--transition)}
.promo-filter button:hover{border-color:#b9ebc6;color:var(--mint-dark)}
.promo-filter button.on{background:var(--mint);border-color:var(--mint);color:#fff}

/* 活动卡 */
.promo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.promo-card{position:relative;background:#fff;border:1px solid #ececec;border-radius:var(--radius-card);padding:26px 26px 24px;box-shadow:0 2px 12px rgba(0,0,0,.04);transition:var(--transition);display:flex;flex-direction:column;overflow:hidden}
.promo-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-pop);border-color:#d9f2e0}
.promo-card.is-hot{border-color:#ffccc7;background:linear-gradient(135deg,#fffbfb 0%,#fff 55%)}
.promo-card.is-over{opacity:.72;filter:grayscale(.35)}
.pm-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}
.pk-tag{font-size:11px;padding:3px 12px;border-radius:999px;font-weight:500;white-space:nowrap}
.pk-mint{background:#e8f8ec;color:#00832a}
.pk-red{background:#fff1f0;color:#f53f3f}
.pk-blue{background:#e8f3ff;color:#0d6efd}
.pk-purple{background:#f3ebff;color:#7b3fe4}
.pk-orange{background:#fff3e8;color:#d96a00}
.pm-status{font-size:11px;color:#bbb;white-space:nowrap}
.pm-status b{color:#f53f3f}
.pm-highlight{font-size:38px;font-weight:800;color:var(--text-primary);line-height:1.1;letter-spacing:-.5px}
.pm-highlight em{font-style:normal;font-size:18px;font-weight:600;margin-left:4px;color:var(--text-secondary)}
.pm-title{font-size:17px;font-weight:600;margin:12px 0 6px;color:var(--text-primary)}
.pm-sub{font-size:13px;color:var(--text-secondary);line-height:1.7;margin:0 0 14px}
.pm-price{display:flex;align-items:baseline;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.pm-price .pp-now{font-size:26px;font-weight:700;color:#f53f3f}
.pm-price .pp-now em{font-style:normal;font-size:15px;font-weight:600}
.pm-price .pp-old{font-size:14px;color:#bbb;text-decoration:line-through}
.pm-price .pp-save{font-size:12px;background:#fff1f0;color:#f53f3f;padding:2px 8px;border-radius:4px}
.pm-progress{margin-bottom:14px}
.pm-progress .pg-bar{height:6px;border-radius:999px;background:#f0f0f0;overflow:hidden}
.pm-progress .pg-bar i{display:block;height:100%;background:linear-gradient(90deg,#00b42a,#4cd964);border-radius:999px;transition:width .6s ease}
.pm-progress .pg-txt{display:flex;justify-content:space-between;font-size:11px;color:#999;margin-top:6px}
.pm-rules{border-top:1px dashed var(--border-lighter);padding-top:12px;margin-bottom:16px}
.pm-rules summary{font-size:12px;color:var(--text-secondary);cursor:pointer;list-style:none;outline:none}
.pm-rules summary::-webkit-details-marker{display:none}
.pm-rules summary:after{content:'展开细则';margin-left:6px;color:var(--mint)}
.pm-rules[open] summary:after{content:'收起细则'}
.pm-rules ul{margin:10px 0 0;padding-left:18px}
.pm-rules li{font-size:12px;color:var(--text-secondary);line-height:1.9;list-style:disc}
.pm-actions{display:flex;gap:10px;margin-top:auto}
.pm-actions .pm-btn{flex:1;text-align:center;font-size:13px;padding:10px 12px;border-radius:8px;border:1px solid var(--mint);color:var(--mint);background:#fff;cursor:pointer;transition:var(--transition);font-family:inherit}
.pm-actions .pm-btn:hover{background:#eefaf1}
.pm-actions .pm-btn-black{background:var(--btn-black);border-color:var(--btn-black);color:#fff;text-decoration:none;display:flex;align-items:center;justify-content:center}
.pm-actions .pm-btn-black:hover{background:#000}
.pm-actions .pm-btn-gray{border-color:var(--border-light);color:#bbb;cursor:not-allowed;background:#fafafa}
.pm-actions .pm-btn-gray:hover{background:#fafafa}

/* 即将开始 / 已结束 小卡 */
.promo-mini{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.pm-mini-card{display:flex;gap:14px;align-items:flex-start;background:var(--bg-gray);border:1px solid var(--border-lighter);border-radius:12px;padding:16px 18px;transition:var(--transition)}
.pm-mini-card:hover{border-color:#d9f2e0;background:#fff}
.pm-mini-card .mm-icon{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:#e8f8ec;color:var(--mint);display:flex;align-items:center;justify-content:center}
.pm-mini-card .mm-icon svg{width:20px;height:20px}
.pm-mini-card.is-end .mm-icon{background:#f2f3f5;color:#bbb}
.pm-mini-card b{display:block;font-size:14px;color:var(--text-primary);margin-bottom:3px}
.pm-mini-card span{display:block;font-size:12px;color:var(--text-secondary);line-height:1.6}
.pm-mini-card .mm-meta{font-size:11px;color:#bbb;margin-top:5px;display:block}

/* 活动须知 */
.notice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.notice-card{background:var(--bg-gray);border:1px solid var(--border-lighter);border-radius:12px;padding:20px}
.notice-card b{display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:8px;color:var(--text-primary)}
.notice-card b svg{width:18px;height:18px;flex-shrink:0;color:var(--mint)}
.notice-card p{font-size:12px;color:var(--text-secondary);line-height:1.8;margin:0}

@media (max-width:1024px){
  .promo-grid{grid-template-columns:repeat(2,1fr)}
  .notice-grid{grid-template-columns:repeat(2,1fr)}
  .promo-hero h1{font-size:32px}
}
@media (max-width:640px){
  .promo-grid{grid-template-columns:1fr}
  .promo-mini{grid-template-columns:1fr}
  .notice-grid{grid-template-columns:1fr}
  .promo-hero h1{font-size:26px}
  .cd-unit{min-width:54px}
  .cd-unit b{font-size:20px}
}

/* ============================================================
   多区域站群（中国香港 / 日本 / 韩国 / 美国 / 新加坡）
   ============================================================ */
.regions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.region-card{background:#fff;border:1px solid var(--border-lighter);border-radius:16px;padding:22px;transition:var(--transition)}
.region-card:hover{border-color:var(--mint);box-shadow:0 10px 30px rgba(0,0,0,.06);transform:translateY(-2px)}
.rc-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.rc-code{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#eefaf1,#e0f5e6);color:#00832a;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;letter-spacing:.02em;flex-shrink:0}
.rc-head h3{font-size:17px;font-weight:700;margin:0 0 2px;color:var(--text-primary)}
.rc-isp{font-size:12px;color:#999}
.rc-desc{font-size:13px;color:var(--text-regular);line-height:1.75;margin:0 0 14px;min-height:66px}
.rc-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;margin:0 0 16px;padding:14px 0 0;border-top:1px dashed var(--border-lighter)}
.rc-meta li{display:flex;flex-direction:column;gap:2px;font-size:12px}
.rc-meta span{color:#999}
.rc-meta b{font-weight:600;color:var(--text-primary);font-size:12.5px}
.rc-link{font-size:13px;color:#00832a;font-weight:600;text-decoration:none}
.rc-link:hover{text-decoration:underline}
.pc-region{display:inline-block;font-size:11.5px;padding:3px 9px;border-radius:999px;background:#eef4ff;color:#1663d9;font-weight:600;margin-bottom:10px}
@media (max-width:640px){
  .rc-desc{min-height:0}
}
.radar-node.n5{left:-30px;top:14px}
.radar-node.n5 i{background:#cb2634}
.radar-node.n6{right:-34px;top:96px}
.radar-node.n6 i{background:#00832a}
.radar-node.n7{left:-24px;bottom:14px}
.radar-node.n7 i{background:#1663d9}
.radar-node.n8{right:-30px;bottom:20px}
.radar-node.n8 i{background:#d96a00}
@media (max-width:900px){
  .radar-node.n5,.radar-node.n6,.radar-node.n7,.radar-node.n8{display:none}
}

/* ============ 优惠活动页增强（筛选计数 / 临期倒计时 / 折叠 / 对比表） ============ */
.promo-filter button i{font-style:normal;opacity:.65;font-weight:500;margin-left:4px;font-size:12px}
.promo-filter button.on i{opacity:1}
.pm-mini-cd{display:inline-flex;align-items:center;gap:7px;margin-top:10px;padding:5px 12px;border-radius:999px;background:#fff4f2;border:1px solid #ffd9d2;color:#d92941;font-size:12px;font-weight:600}
.pm-mini-cd i{width:7px;height:7px;border-radius:50%;background:#d92941;animation:pmBlink 1s infinite}
.pm-mini-cd span{font-variant-numeric:tabular-nums;letter-spacing:.04em}
@keyframes pmBlink{50%{opacity:.25}}
details.promo-fold{border:1px solid var(--border-lighter);border-radius:16px;background:#fff;padding:0}
details.promo-fold > summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:10px}
details.promo-fold > summary::-webkit-details-marker{display:none}
details.promo-fold > summary em{font-style:normal;font-size:12px;color:#999;font-weight:500;margin-left:auto}
details.promo-fold[open] > summary{border-bottom:1px dashed var(--border-lighter)}
details.promo-fold .container{padding:0}
details.promo-fold > summary::before{content:'▸';color:#00832a;transition:transform .2s}
details.promo-fold[open] > summary::before{transform:rotate(90deg)}

/* ========== 产品方案详情页（product.php） ==========
   由 /product/<id> 伪静态路由进入；此前该路由落在 products.php 且不消费 id，
   导致软 404。本页补齐详情视图，样式沿用站点令牌。 */
.pd-tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(228px,1fr));gap:18px;margin-top:32px}
.pd-tier{position:relative;background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-card);padding:26px 22px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow-card);transition:var(--transition)}
.pd-tier:hover{transform:translateY(-3px);box-shadow:var(--shadow-pop)}
.pd-tier.is-best{border-color:var(--mint);box-shadow:0 0 0 1px var(--mint) inset,var(--shadow-card)}
.pd-tier-badge{position:absolute;top:-11px;left:22px;background:var(--mint);color:#fff;font-size:12px;border-radius:999px;padding:2px 12px}
.pd-tier-name{font-size:14px;color:var(--text-secondary)}
.pd-tier-price{font-size:30px;font-weight:600;color:var(--text-primary);line-height:1.2}
.pd-tier-price em{font-style:normal;font-size:16px;font-weight:500;margin-right:2px}
.pd-tier-unit{font-size:12.5px;color:var(--text-placeholder)}
.pd-tier-off{align-self:flex-start;font-size:12px;color:var(--mint-dark);background:#e8f8ec;border-radius:6px;padding:2px 9px}
.pd-tier .btn{margin-top:auto;width:100%;padding:11px 0;font-size:14px}

.pd-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-top:30px}
.pd-cell{display:flex;gap:11px;align-items:flex-start;background:#fff;border:1px solid var(--border-lighter);border-radius:14px;padding:18px 20px}
.pd-cell .ic-ck{margin-top:3px}
.pd-cell b{display:block;font-size:14px;color:var(--text-primary);font-weight:500}
.pd-cell span{display:block;font-size:13px;color:var(--text-secondary);line-height:1.8;margin-top:3px}

.pd-faq{margin-top:30px;background:#fff;border:1px solid var(--border-lighter);border-radius:var(--radius-card);overflow:hidden}
.pd-faq details{border-bottom:1px solid var(--border-lighter)}
.pd-faq details:last-child{border-bottom:none}
.pd-faq summary{cursor:pointer;list-style:none;padding:17px 22px;font-size:14.5px;font-weight:500;color:var(--text-primary);display:flex;align-items:center;gap:10px;transition:var(--transition)}
.pd-faq summary::-webkit-details-marker{display:none}
.pd-faq summary::before{content:'+';color:var(--mint-dark);font-size:17px;line-height:1;flex:none}
.pd-faq details[open] summary::before{content:'−'}
.pd-faq summary:hover{background:var(--bg-gray)}
.pd-faq p{margin:0;padding:0 22px 18px 49px;font-size:13.5px;color:var(--text-secondary);line-height:2}

.pd-rel{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:30px}
.pd-rel-card{display:flex;flex-direction:column;gap:7px;background:#fff;border:1px solid var(--border-light);border-radius:14px;padding:20px 22px;text-decoration:none;transition:var(--transition)}
.pd-rel-card:hover{border-color:var(--mint);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.prc-name{font-size:15px;font-weight:500;color:var(--text-primary)}
.prc-meta{font-size:12.5px;color:var(--text-placeholder)}
.prc-foot{margin-top:auto;padding-top:12px;display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.prc-price{font-size:19px;font-weight:600;color:var(--mint-dark)}
.prc-price em{font-style:normal;font-size:12px;color:var(--text-placeholder);font-weight:400;margin-left:2px}
.prc-stock{font-size:12px;color:var(--text-secondary)}
@media(max-width:640px){
  .pd-tier-price{font-size:26px}
  .pd-faq p{padding-left:22px}
}

/* 方案卡片上的详情入口（指向 /product/<id>，由 product.php 渲染） */
.plan-card .pc-detail{display:block;margin:-14px 0 14px;font-size:12.5px;color:var(--mint-dark);text-decoration:none}
.plan-card .pc-detail:hover{text-decoration:underline}

/* ================= 四步开通流程（T22） ================= */
/* 文案口径对齐真实链路：下单支付 -> 订单已支付 -> 交付任务入队
   (provision_status=queued) -> 自动分配 / 人工处理 -> 会员中心自助使用。
   不描述不存在的环节。 */
.steps{padding:84px 0;background:linear-gradient(180deg,#ffffff 0%,#f7f8f8 100%);border-top:1px solid #f0f0f0;border-bottom:1px solid #f0f0f0}
.steps-head{text-align:center}
.steps-row{margin-top:48px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.steps-row::before{content:'';position:absolute;left:12.5%;right:12.5%;top:52px;height:2px;
  background:repeating-linear-gradient(90deg,#d9f2e0 0 8px,transparent 8px 16px);z-index:0}
.step-card{position:relative;z-index:1;background:#fff;border:1px solid #ececec;border-radius:20px;
  padding:30px 24px 26px;text-align:center;box-shadow:var(--shadow-card);
  transition:transform .7s ease,box-shadow .3s ease}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-pop)}
.step-no{width:44px;height:44px;margin:0 auto 16px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-size:17px;font-weight:700;color:#fff;letter-spacing:.5px;
  background:linear-gradient(135deg,#23c343,#00b42a);box-shadow:0 4px 12px rgba(0,180,42,.22)}
.step-card b{display:block;font-size:16px;font-weight:600;color:var(--text-primary);line-height:1.4}
.step-card .step-en{display:block;margin-top:3px;font-size:11px;letter-spacing:.6px;color:#b6b6b6;text-transform:uppercase}
.step-card p{margin:12px 0 0;font-size:13px;color:#777;line-height:1.75;text-align:left}
.step-card .step-tip{margin-top:14px;display:inline-block;font-size:11.5px;color:var(--mint-dark);
  background:#eefaf1;border-radius:6px;padding:4px 9px;line-height:1.5}
.steps-cta{margin-top:44px;display:flex;align-items:center;justify-content:center;gap:22px;flex-wrap:wrap}
.steps-cta .btn-lg{padding:15px 40px}
.steps-note{margin-top:18px;font-size:12.5px;color:#999;text-align:center}
@media(max-width:900px){.steps-row{grid-template-columns:repeat(2,1fr)}.steps-row::before{display:none}}
@media(max-width:600px){.steps-row{grid-template-columns:1fr}.steps{padding:60px 0}.steps-cta{gap:14px}}
/* Hero 次级 CTA（咨询顾问）：与主 CTA 拉开层级，不抢「立即选购」的视觉权重 */
.hero-link-alt{color:var(--text-secondary,#666)}
.hero-link-alt:hover{color:var(--mint-dark)}

/* ================= 信任条（T26 · 对标竞品首页信任三连） =================
   位置：hero 与四步流程之间。职责是把「已实现的承诺」显性化，
   因此四条全部有代码支撑（见 index.php 内注释），不得在此处加
   无实现背书的宣传语。 */
.trustbar{padding:0 0 8px;background:linear-gradient(180deg,#f7f8f8 0%,#ffffff 100%)}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  transform:translateY(-28px);margin-bottom:-28px}
.trust-item{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;
  background:#fff;border:1px solid #ececec;border-radius:16px;padding:20px 14px 18px;
  box-shadow:var(--shadow-card)}
.trust-item b{font-size:22px;font-weight:700;color:var(--mint-dark);letter-spacing:.5px;line-height:1.2}
.trust-item span{font-size:12.5px;color:var(--text-secondary);line-height:1.5}
@media(max-width:900px){.trust-row{grid-template-columns:repeat(2,1fr);transform:none;margin-bottom:0}}
@media(max-width:480px){.trust-row{grid-template-columns:1fr 1fr;gap:10px}.trust-item{padding:16px 10px}.trust-item b{font-size:19px}}

/* ================= 常见问题（T26 · FAQ 即销售话术） =================
   用原生 <details>：无 JS 依赖、可被搜索引擎抓取正文、键盘可操作。
   summary 上禁用默认 marker，自绘 +/- 指示器。 */
.faq{padding:84px 0;background:linear-gradient(180deg,#ffffff 0%,#f7f8f8 100%);border-top:1px solid #f0f0f0}
.faq-list{margin-top:44px;display:flex;flex-direction:column;gap:14px;max-width:860px;margin-left:auto;margin-right:auto}
.faq-item{background:#fff;border:1px solid #ececec;border-radius:16px;box-shadow:var(--shadow-card);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;font-size:15px;font-weight:500;color:var(--text-primary);line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';flex:none;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-size:16px;font-weight:600;color:var(--mint-dark);background:#eefaf1;transition:transform .25s ease}
.faq-item[open] summary::after{content:'−';transform:rotate(180deg)}
.faq-item summary:hover{color:var(--mint-dark)}
.faq-body{padding:0 22px 20px;font-size:13.5px;color:var(--text-secondary);line-height:1.9}
@media(max-width:600px){.faq{padding:60px 0}.faq-item summary{padding:16px 18px;font-size:14px}.faq-body{padding:0 18px 18px}}