/* roulang page: index */
:root{
  --bg-0:#060A13;--bg-1:#0A1220;--bg-2:#0E1728;
  --brand:#4C8DFF;--brand-deep:#1E4FD8;
  --accent:#FFB43D;--mint:#2FD4C6;
  --text-1:#E9EFF9;--text-2:#A8B6CC;--text-3:#6E7F99;
  --line:rgba(150,180,230,.12);
  --glass:rgba(20,32,52,.55);
  --glass-line:rgba(140,180,255,.14);
  --ok:#35D07F;--err:#FF6B6B;
  --r-lg:20px;--r-md:16px;--r-sm:12px;
  --shadow-card:0 12px 32px -12px rgba(3,8,20,.75);
  --shadow-accent:0 8px 24px -6px rgba(255,180,61,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text-1);
  background:var(--bg-0);
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(620px 420px at 50% -8%, rgba(76,141,255,.16), transparent 70%),
    radial-gradient(520px 400px at 100% 2%, rgba(47,212,198,.09), transparent 70%),
    linear-gradient(rgba(150,180,230,.03) 1px,transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg,rgba(150,180,230,.03) 1px,transparent 1px) 0 0/48px 48px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.kx-container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.kx-container{padding-left:32px;padding-right:32px}}

/* 顶部导航 */
.kx-header{
  position:sticky;top:0;z-index:60;
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),backdrop-filter .2s var(--ease);
}
.kx-header.is-scrolled{
  background:rgba(6,10,19,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.kx-header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.kx-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text-1)}
.kx-logo-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,rgba(76,141,255,.35),rgba(30,79,216,.2));
  border:1px solid var(--glass-line);
  color:#cfe1ff;font-size:15px;
}
.kx-nav-links{display:none;align-items:center;gap:6px}
@media (min-width:1024px){.kx-nav-links{display:flex}}
.kx-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;border-radius:10px;font-size:15px;color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.kx-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:1px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);opacity:.85;
}
.kx-nav-link:hover{color:var(--text-1);background:rgba(76,141,255,.08)}
.kx-nav-link:hover::after{transform:scaleX(1)}
.kx-nav-link.is-active{color:var(--text-1)}
.kx-nav-link.is-active::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 8px rgba(255,180,61,.8);
}
.kx-header-cta{display:none}
@media (min-width:768px){.kx-header-cta{display:inline-flex}}
.kx-menu-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-1);
}
@media (min-width:1024px){.kx-menu-btn{display:none}}
.kx-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(6,10,19,.96);backdrop-filter:blur(14px);
}
.kx-drawer.is-open{display:block}
@media (min-width:1024px){.kx-drawer{display:none !important}}
.kx-drawer a{display:block;padding:14px 0;border-bottom:1px solid var(--line);color:var(--text-2);font-size:15px}
.kx-drawer a.is-active{color:var(--text-1);font-weight:600}

/* 按钮 */
.kx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.kx-btn-primary{background:var(--accent);color:#231604;box-shadow:var(--shadow-accent)}
.kx-btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px -6px rgba(255,180,61,.6)}
.kx-btn-ghost{background:var(--glass);border-color:var(--glass-line);color:var(--text-1)}
.kx-btn-ghost:hover{transform:translateY(-2px);border-color:rgba(140,180,255,.34);background:rgba(28,44,70,.7)}
.kx-btn-text{background:transparent;color:var(--mint);padding:0 4px;min-height:44px}
.kx-btn-text:hover{color:#7ef0e6}
.kx-btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* 通用板块 */
.kx-section{padding:56px 0}
@media (min-width:768px){.kx-section{padding:72px 0}}
@media (min-width:1024px){.kx-section{padding:100px 0}}
.kx-section-tight{padding:44px 0}
@media (min-width:1024px){.kx-section-tight{padding:64px 0}}
.kx-sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px}
@media (min-width:1024px){.kx-sec-head{margin-bottom:40px}}
.kx-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mint);font-weight:600;margin-bottom:10px;font-variant-numeric:tabular-nums;
}
.kx-eyebrow::before{content:"";width:18px;height:1px;background:var(--mint);opacity:.7}
.kx-h1{font-size:30px;line-height:1.22;font-weight:700;letter-spacing:.02em}
.kx-h2{font-size:24px;line-height:1.35;font-weight:700;letter-spacing:.02em}
.kx-h3{font-size:19px;line-height:1.45;font-weight:600}
.kx-lead{color:var(--text-2);font-size:15.5px}
.kx-divider{height:1px;background:var(--line);border:0;margin:0}
@media (min-width:768px){
  .kx-h1{font-size:38px}
  .kx-h2{font-size:30px}
  .kx-h3{font-size:21px}
  .kx-lead{font-size:16.5px}
}
@media (min-width:1024px){
  .kx-h1{font-size:52px;line-height:1.15}
  .kx-h2{font-size:34px}
}

/* Hero */
.kx-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.kx-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(180deg,rgba(6,10,19,.82),rgba(6,10,19,.94)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.kx-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 420px at 20% 0%, rgba(76,141,255,.22), transparent 68%);
}
.kx-hero-inner{position:relative;z-index:1;padding:52px 0 56px}
@media (min-width:768px){.kx-hero-inner{padding:72px 0 80px}}
@media (min-width:1024px){.kx-hero-inner{padding:96px 0 104px}}
.kx-hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){.kx-hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
.kx-hero-brand{display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;background:var(--glass);border:1px solid var(--glass-line);font-size:12.5px;color:var(--text-2);margin-bottom:20px}
.kx-hero-brand i{color:var(--mint)}
.kx-hero-sub{color:var(--text-2);font-size:16px;line-height:1.85;margin-top:18px;max-width:560px}
.kx-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.kx-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:36px}
@media (min-width:640px){.kx-stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.kx-stat{
  padding:14px 16px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.kx-stat:hover{border-color:rgba(140,180,255,.32);transform:translateY(-2px)}
.kx-stat-num{font-size:21px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text-1)}
.kx-stat-num span{font-size:13px;color:var(--mint);margin-left:2px;font-weight:600}
.kx-stat-label{font-size:12.5px;color:var(--text-3);margin-top:4px}

/* 登录示意面板 */
.kx-login-panel{
  border-radius:var(--r-lg);padding:24px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.kx-lp-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.kx-lp-title{font-size:14.5px;font-weight:600;color:var(--text-1);letter-spacing:.02em}
.kx-lp-dot{display:inline-flex;gap:5px}
.kx-lp-dot i{width:8px;height:8px;border-radius:50%;background:rgba(150,180,230,.22);display:block}
.kx-lp-dot i:first-child{background:rgba(47,212,198,.6)}
.kx-lp-field{margin-bottom:14px}
.kx-lp-label{font-size:12px;color:var(--text-3);margin-bottom:6px;display:block}
.kx-lp-input{
  height:42px;border-radius:10px;border:1px solid var(--glass-line);
  background:rgba(10,18,32,.72);
  display:flex;align-items:center;padding:0 14px;
  font-size:13.5px;color:var(--text-3);
}
.kx-lp-input.is-focus{border-color:rgba(76,141,255,.6);box-shadow:0 0 0 3px rgba(76,141,255,.16);color:var(--text-2)}
.kx-lp-btn{
  margin-top:6px;height:46px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#231604;font-size:15px;font-weight:700;
  box-shadow:var(--shadow-accent);
}
.kx-lp-note{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:12.5px;color:var(--text-3)}
.kx-lp-note i{color:var(--ok)}

/* 时间线 */
.kx-timeline{position:relative;display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:1024px){.kx-timeline{grid-template-columns:repeat(5,1fr);gap:24px}}
.kx-timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(76,141,255,.35),rgba(150,180,230,.1));
}
@media (min-width:1024px){
  .kx-timeline::before{left:0;right:0;top:11px;bottom:auto;height:1px;width:auto;
    background:linear-gradient(90deg,rgba(76,141,255,.4),rgba(150,180,230,.08));}
}
.kx-tl-item{position:relative;padding-left:40px}
@media (min-width:1024px){.kx-tl-item{padding-left:0}}
.kx-tl-dot{
  position:absolute;left:0;top:6px;
  width:23px;height:23px;border-radius:50%;
  background:var(--bg-1);border:1px solid rgba(140,180,255,.28);
  display:flex;align-items:center;justify-content:center;
}
@media (min-width:1024px){
  .kx-tl-dot{position:relative;top:0;left:0;margin:0 auto 20px;}
}
.kx-tl-dot::after{content:"";width:7px;height:7px;border-radius:50%;background:rgba(140,180,255,.5)}
.kx-tl-item.is-active .kx-tl-dot{border-color:rgba(255,180,61,.7);box-shadow:0 0 0 5px rgba(255,180,61,.12),0 0 18px rgba(255,180,61,.45)}
.kx-tl-item.is-active .kx-tl-dot::after{background:var(--accent);animation:kxPulse 2.4s ease-in-out infinite}
@keyframes kxPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(1.25)}}
.kx-tl-card{
  border-radius:var(--r-md);padding:18px;
  background:var(--glass);border:1px solid var(--glass-line);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.kx-tl-card:hover{border-color:rgba(140,180,255,.3);transform:translateY(-3px)}
.kx-tl-item.is-active .kx-tl-card{border-color:rgba(255,180,61,.32)}
.kx-tl-num{
  display:block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--text-3);font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.kx-tl-card h3{font-size:16.5px;font-weight:600;margin-bottom:8px}
.kx-tl-card p{font-size:14px;color:var(--text-2);line-height:1.75}

/* 亮点砖石 */
.kx-bento{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.kx-bento{grid-template-columns:repeat(12,1fr)}}
.kx-card{
  border-radius:var(--r-md);background:var(--glass);
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.kx-card:hover{transform:translateY(-4px);border-color:rgba(140,180,255,.34);box-shadow:0 18px 40px -16px rgba(3,8,20,.85)}
.kx-bento-lg{grid-column:span 12}
.kx-bento-sm{grid-column:span 12}
@media (min-width:768px){
  .kx-bento-lg{grid-column:span 7}
  .kx-bento-sm{grid-column:span 5}
}
.kx-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(150deg,rgba(30,79,216,.35),rgba(10,18,32,.9))}
.kx-cover img{width:100%;height:100%;object-fit:cover;opacity:.86;transition:transform .35s var(--ease),opacity .35s var(--ease)}
.kx-card:hover .kx-cover img{transform:scale(1.04);opacity:1}
.kx-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,19,.05),rgba(6,10,19,.72))}
.kx-card-body{padding:20px}
.kx-kicker{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--mint);letter-spacing:.06em;margin-bottom:10px}
.kx-card-title{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px}
.kx-card-text{font-size:14.5px;color:var(--text-2);line-height:1.8}
.kx-points{margin-top:14px;display:grid;gap:8px}
.kx-points li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.7}
.kx-points i{color:var(--brand);margin-top:5px;font-size:12px}

/* 场景行列表 */
.kx-scene-list{border-top:1px solid var(--line)}
.kx-scene-row{
  display:grid;grid-template-columns:1fr;gap:10px;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
}
@media (min-width:768px){
  .kx-scene-row{grid-template-columns:260px 1fr;gap:32px;align-items:start}
}
.kx-scene-row:hover{background:rgba(76,141,255,.05);padding-left:12px}
.kx-scene-title{display:flex;align-items:baseline;gap:12px;font-size:18px;font-weight:600}
.kx-scene-title em{font-style:normal;font-size:12px;letter-spacing:.16em;color:var(--accent);font-variant-numeric:tabular-nums}
.kx-scene-desc{font-size:15px;color:var(--text-2);line-height:1.85}
.kx-scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.kx-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;
  background:rgba(76,141,255,.14);color:#bcd6ff;border:1px solid rgba(76,141,255,.22);
}
.kx-tag.is-accent{background:rgba(255,180,61,.14);color:#ffd79a;border-color:rgba(255,180,61,.28)}
.kx-tag.is-mint{background:rgba(47,212,198,.12);color:#9df0e8;border-color:rgba(47,212,198,.24)}
.kx-time{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* 档位对比 */
.kx-plans{display:grid;grid-template-columns:1fr;gap:22px;margin-top:8px}
@media (min-width:768px){.kx-plans{grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}}
.kx-plan{
  border-radius:var(--r-lg);padding:26px 22px;
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--shadow-card);position:relative;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.kx-plan:hover{transform:translateY(-4px);border-color:rgba(140,180,255,.32)}
.kx-plan.is-featured{
  border-color:rgba(255,180,61,.45);
  box-shadow:0 12px 32px -12px rgba(3,8,20,.75),0 0 0 1px rgba(255,180,61,.18);
}
@media (min-width:768px){.kx-plan.is-featured{transform:translateY(-12px)}.kx-plan.is-featured:hover{transform:translateY(-16px)}}
.kx-plan-badge{
  position:absolute;top:-13px;left:22px;
  padding:4px 14px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--accent);color:#231604;
}
.kx-plan-name{font-size:17px;font-weight:700;letter-spacing:.02em}
.kx-plan-price{margin-top:12px;font-size:26px;font-weight:700;font-variant-numeric:tabular-nums}
.kx-plan-price span{font-size:13px;color:var(--text-3);font-weight:500;margin-left:6px}
.kx-plan-desc{font-size:13.5px;color:var(--text-3);margin-top:8px}
.kx-plan-list{margin-top:20px;display:grid;gap:11px}
.kx-plan-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.kx-plan-list i{color:var(--ok);margin-top:5px;font-size:12px}
.kx-plan-list li.is-off{color:var(--text-3)}
.kx-plan-list li.is-off i{color:var(--text-3)}
.kx-plan .kx-btn{width:100%;margin-top:22px}

/* 最新信息 */
.kx-news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){.kx-news-grid{grid-template-columns:1.15fr .85fr}}
.kx-news-feature{display:flex;flex-direction:column}
.kx-news-feature .kx-cover{aspect-ratio:16/9}
.kx-news-title{font-size:19px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.kx-news-sum{font-size:14.5px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kx-news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.kx-news-side{display:grid;gap:20px}
.kx-news-mini{display:flex;gap:16px;padding:16px;align-items:center}
.kx-news-mini .kx-thumb{
  width:96px;height:76px;flex:0 0 96px;border-radius:12px;overflow:hidden;
  background:linear-gradient(150deg,rgba(30,79,216,.35),rgba(10,18,32,.9));border:1px solid var(--glass-line);
}
.kx-news-mini .kx-thumb img{width:100%;height:100%;object-fit:cover}
.kx-news-mini h3{font-size:15.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kx-news-mini p{font-size:13px;color:var(--text-3);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kx-empty{
  border:1px dashed rgba(140,180,255,.24);border-radius:var(--r-md);
  padding:44px 24px;text-align:center;background:rgba(10,18,32,.4);
}
.kx-empty i{font-size:26px;color:var(--text-3);margin-bottom:12px;display:block}
.kx-empty p{font-size:14.5px;color:var(--text-3)}

/* CTA 表单 */
.kx-cta-panel{
  border-radius:var(--r-lg);border:1px solid var(--glass-line);
  background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:1fr;gap:28px;padding:26px;
}
@media (min-width:1024px){.kx-cta-panel{grid-template-columns:1.05fr .95fr;gap:44px;padding:40px}}
.kx-cta-copy h2{font-size:24px;font-weight:700;line-height:1.35;letter-spacing:.02em}
@media (min-width:768px){.kx-cta-copy h2{font-size:30px}}
.kx-cta-copy p{color:var(--text-2);font-size:15.5px;margin-top:16px;line-height:1.85}
.kx-cta-facts{display:grid;gap:12px;margin-top:24px}
.kx-cta-facts li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.kx-cta-facts i{color:var(--mint);margin-top:5px;font-size:12px}
.kx-form{display:grid;gap:16px}
.kx-field label{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:7px;letter-spacing:.04em}
.kx-input{
  width:100%;min-height:46px;border-radius:var(--r-sm);
  background:rgba(10,18,32,.72);border:1px solid var(--glass-line);
  padding:12px 14px;font-size:15px;color:var(--text-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.kx-input::placeholder{color:var(--text-3);font-size:14px}
.kx-input:hover{border-color:rgba(140,180,255,.28)}
.kx-input:focus{outline:none;border-color:rgba(76,141,255,.65);box-shadow:0 0 0 3px rgba(76,141,255,.16);background:rgba(12,22,40,.85)}
textarea.kx-input{min-height:96px;resize:vertical;line-height:1.7}
.kx-form .kx-btn{width:100%}
.kx-form-msg{font-size:13.5px;color:var(--text-3);min-height:20px}
.kx-form-msg.is-on{color:var(--ok)}

/* FAQ */
.kx-faq{border-top:1px solid var(--line)}
.kx-faq-item{border-bottom:1px solid var(--line)}
.kx-faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--text-1);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.kx-faq-item summary::-webkit-details-marker{display:none}
.kx-faq-item summary:hover{color:#cfe1ff;padding-left:10px}
.kx-faq-item summary i{
  flex:0 0 auto;font-size:14px;color:var(--accent);
  transition:transform .25s var(--ease);
}
.kx-faq-item[open] summary i{transform:rotate(45deg)}
.kx-faq-body{
  padding:0 4px 22px;color:var(--text-2);font-size:15px;line-height:1.9;
  background:linear-gradient(180deg,rgba(20,32,52,.5),rgba(20,32,52,0));
  border-left:2px solid rgba(76,141,255,.4);
  padding-left:16px;border-radius:0 0 8px 0;
}

/* 页脚 */
.kx-footer{border-top:1px solid var(--line);background:rgba(4,7,14,.85);margin-top:8px}
.kx-footer-grid{display:grid;grid-template-columns:1fr;gap:28px;padding:44px 0 28px}
@media (min-width:640px){.kx-footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.kx-footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:56px 0 32px}}
.kx-footer h4{font-size:14px;color:var(--text-1);margin-bottom:14px;letter-spacing:.04em}
.kx-footer p,.kx-footer li{font-size:13.5px;color:var(--text-3);line-height:1.9}
.kx-footer li a{transition:color .2s var(--ease)}
.kx-footer li a:hover{color:var(--mint)}
.kx-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:16px;font-weight:700;color:var(--text-1)}
.kx-copy{
  border-top:1px solid var(--line);padding:18px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:var(--text-3);
}

/* 移动端底部 Tab */
.kx-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:rgba(8,13,24,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--glass-line);
  padding-bottom:env(safe-area-inset-bottom);
}
@media (min-width:768px){.kx-tabbar{display:none}}
.kx-tab{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:60px;font-size:11px;color:var(--text-3);
  transition:color .18s var(--ease);
}
.kx-tab i{font-size:17px}
.kx-tab.is-active{color:var(--accent)}
.kx-tab.is-active::before{content:"";position:absolute;top:0;width:26px;height:2px;border-radius:2px;background:var(--accent)}
.kx-tab:active{background:rgba(76,141,255,.08)}
@media (max-width:767px){
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom) + 12px)}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-0:#060A13;--bg-1:#0A1220;--bg-2:#0E1728;
  --brand:#4C8DFF;--brand-deep:#1E4FD8;
  --accent:#FFB43D;--mint:#2FD4C6;
  --text-1:#E9EFF9;--text-2:#A8B6CC;--text-3:#6E7F99;--text-body:#CBD6E8;
  --line:rgba(150,180,230,.12);
  --glass:rgba(20,32,52,.55);
  --glass-line:rgba(140,180,255,.14);
  --ok:#35D07F;--err:#FF6B6B;
  --r-lg:20px;--r-md:16px;--r-sm:12px;
  --shadow-card:0 12px 32px -12px rgba(3,8,20,.75);
  --shadow-btn:0 8px 24px -6px rgba(255,180,61,.5);
  --t:200ms ease-out;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--bg-0);scroll-behavior:smooth}
.kx-body{
  margin:0;padding:0;min-height:100vh;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text-1);background:transparent;
  -webkit-font-smoothing:antialiased;
}
.kx-body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(620px 420px at 50% -12%, rgba(76,141,255,.14), transparent 70%),
    radial-gradient(520px 380px at 100% 2%, rgba(76,141,255,.10), transparent 72%),
    linear-gradient(rgba(150,180,230,.03) 1px, transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg, rgba(150,180,230,.03) 1px, transparent 1px) 0 0/48px 48px,
    var(--bg-0);
}
.kx-body a{color:inherit;text-decoration:none}
.kx-body img{max-width:100%;display:block}
.kx-body h1,.kx-body h2,.kx-body h3,.kx-body h4,.kx-body p,.kx-body ul,.kx-body ol{margin:0}
.kx-body ul,.kx-body ol{padding-left:0;list-style:none}
.kx-body button,.kx-body input,.kx-body textarea{font-family:inherit;font-size:inherit}
.kx-body *:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.kx-skip{
  position:absolute;left:-9999px;top:0;background:var(--accent);color:#20160A;
  padding:10px 16px;border-radius:0 0 12px 0;z-index:200;
}
.kx-skip:focus{left:0}
.kx-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.kx-container{padding:0 32px}}

/* ---------- header ---------- */
.kx-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,10,19,.78);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background var(--t),box-shadow var(--t);
}
.kx-header.is-scrolled{background:rgba(6,10,19,.92);box-shadow:0 10px 30px -18px rgba(0,0,0,.9)}
.kx-nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.kx-logo{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.kx-logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#fff;font-size:13px;box-shadow:0 6px 18px -6px rgba(76,141,255,.75);
}
.kx-nav-links{display:none;align-items:center;gap:26px}
@media (min-width:768px){.kx-nav-links{display:flex}}
.kx-nav-link{position:relative;font-size:14.5px;color:var(--text-2);padding:6px 0;transition:color var(--t)}
.kx-nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.kx-nav-link:hover{color:var(--text-1)}
.kx-nav-link:hover::after{transform:scaleX(1)}
.kx-nav-link.is-active{color:var(--text-1)}
.kx-nav-link.is-active::after{transform:scaleX(1)}
.kx-nav-link.is-active::before{
  content:"";position:absolute;left:-11px;top:50%;width:5px;height:5px;margin-top:-2.5px;
  border-radius:50%;background:var(--accent);
}
.kx-nav-actions{display:flex;align-items:center;gap:10px}
.kx-menu-ico{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--glass-line);background:var(--glass);color:var(--text-1);
}
@media (min-width:768px){.kx-menu-ico{display:none}}
@media (max-width:767px){.kx-nav-cta{display:none}}

/* ---------- buttons ---------- */
.kx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.kx-btn-primary{background:var(--accent);color:#20160A;box-shadow:var(--shadow-btn)}
.kx-btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(255,180,61,.62)}
.kx-btn-ghost{background:var(--glass);border-color:var(--glass-line);color:var(--text-1);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.kx-btn-ghost:hover{transform:translateY(-2px);border-color:rgba(140,180,255,.36)}
.kx-btn-text{background:transparent;color:var(--mint);padding:0 4px;min-height:44px}
.kx-btn-text:hover{color:#7CF0E6}
.kx-btn-sm{min-height:38px;padding:0 16px;font-size:13.5px}
.kx-btn[disabled],.kx-btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- article hero ---------- */
.kx-article-hero{position:relative;padding:44px 0 40px;border-bottom:1px solid var(--line);overflow:hidden}
.kx-article-hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;filter:saturate(.9);
}
.kx-article-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,19,.86),rgba(6,10,19,.96)),
             radial-gradient(600px 320px at 20% 0%, rgba(76,141,255,.20), transparent 70%);
}
.kx-article-hero__inner{position:relative;z-index:2}
.kx-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.kx-crumb a{color:var(--text-3);transition:color var(--t)}
.kx-crumb a:hover{color:var(--mint)}
.kx-crumb__now{
  max-width:min(420px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--text-2);
}
.kx-article-title{
  margin:18px 0 18px;max-width:900px;
  font-size:clamp(26px,4.6vw,46px);line-height:1.24;font-weight:700;letter-spacing:.02em;
}
.kx-meta-row{display:flex;flex-wrap:wrap;gap:10px}
.kx-meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;color:var(--text-2);
  background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  font-variant-numeric:tabular-nums;
}
.kx-meta-chip i{color:var(--mint);font-size:12px}

/* ---------- sections ---------- */
.kx-section{padding:56px 0}
@media (min-width:768px){.kx-section{padding:72px 0}}
@media (min-width:1024px){.kx-section{padding:88px 0}}
.kx-section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.kx-title-lg{font-size:22px;font-weight:700;color:var(--text-1);letter-spacing:.02em}
@media (min-width:768px){.kx-title-lg{font-size:28px}}
.kx-sub{font-size:14px;color:var(--text-3);margin-top:8px}
.kx-label-eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- article layout ---------- */
.kx-article-layout{display:grid;gap:40px;grid-template-columns:minmax(0,1fr)}
@media (min-width:1024px){.kx-article-layout{grid-template-columns:minmax(0,1fr) 264px;gap:56px;align-items:start}}
.kx-article-main{min-width:0}
.kx-article-body{
  max-width:760px;font-size:16.5px;line-height:1.9;color:var(--text-body);
}
.kx-article-body p{margin:0 0 1.2em}
.kx-article-body h2{
  position:relative;margin:2em 0 .8em;padding-left:14px;
  font-size:22px;line-height:1.4;font-weight:700;color:var(--text-1);letter-spacing:.02em;
}
@media (min-width:768px){.kx-article-body h2{font-size:26px}}
.kx-article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:2px;background:var(--brand);
}
.kx-article-body h3{margin:1.8em 0 .6em;font-size:19px;font-weight:700;color:var(--text-1)}
.kx-article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--accent);border-radius:0 12px 12px 0;
  background:var(--glass);color:var(--text-1);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.kx-article-body img{width:100%;border-radius:12px;border:1px solid var(--line);margin:1.6em 0}
.kx-article-body ul,.kx-article-body ol{margin:0 0 1.2em;padding-left:1.2em;list-style:disc}
.kx-article-body ol{list-style:decimal}
.kx-article-body li{margin:.35em 0}
.kx-article-body a{color:var(--brand);border-bottom:1px solid rgba(76,141,255,.35);transition:color var(--t),border-color var(--t)}
.kx-article-body a:hover{color:var(--mint);border-color:rgba(47,212,198,.6)}
.kx-article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.kx-article-body th{
  text-align:left;padding:12px 14px;border:1px solid var(--line);color:var(--text-1);
  background:rgba(20,32,52,.6);font-weight:600;
}
.kx-article-body td{padding:12px 14px;border:1px solid var(--line);color:var(--text-2)}
.kx-article-body tbody tr{transition:background var(--t)}
.kx-article-body tbody tr:hover{background:rgba(76,141,255,.06)}
.kx-article-body code{
  padding:2px 6px;border-radius:6px;font-size:14px;color:var(--mint);
  background:rgba(10,18,32,.9);border:1px solid var(--line);
}
.kx-article-body pre{
  margin:1.6em 0;padding:16px;border-radius:12px;overflow:auto;
  background:#050912;border:1px solid var(--line);font-size:14px;line-height:1.7;
}
.kx-article-body pre code{padding:0;border:0;background:transparent;color:var(--text-body)}
.kx-empty{
  padding:36px 24px;text-align:center;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.kx-empty i{font-size:28px;color:var(--text-3)}
.kx-empty h2{margin:14px 0 8px;padding:0;font-size:20px;color:var(--text-1)}
.kx-empty h2::before{display:none}
.kx-empty p{margin:0 auto 20px;max-width:520px;font-size:14.5px;color:var(--text-2)}

/* ---------- tags + related ---------- */
.kx-tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;max-width:760px}
.kx-tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(76,141,255,.12);border:1px solid rgba(76,141,255,.24);color:#9CC1FF;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.kx-tag:hover{background:rgba(47,212,198,.14);border-color:rgba(47,212,198,.35);color:#8FF2E9}
.kx-rec-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:640px){.kx-rec-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.kx-rec-grid{grid-template-columns:repeat(3,1fr)}}
.kx-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-line);box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform var(--t),border-color var(--t);
}
.kx-card:hover{transform:translateY(-4px);border-color:rgba(140,180,255,.34)}
.kx-card__media{aspect-ratio:4/3;background:var(--bg-2);border-bottom:1px solid var(--line);overflow:hidden}
.kx-card__media img{width:100%;height:100%;object-fit:cover}
.kx-card__body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 18px 20px}
.kx-card__title{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.kx-card__desc{
  font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.kx-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.kx-badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;
  background:rgba(76,141,255,.14);color:#9CC1FF;border:1px solid rgba(76,141,255,.22);
}
.kx-back-row{margin-top:36px}

/* ---------- aside ---------- */
.kx-aside{display:none}
@media (min-width:1024px){.kx-aside{display:block}}
.kx-aside-card{
  position:sticky;top:88px;padding:22px 20px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-line);box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.kx-aside-card h3{font-size:14px;color:var(--text-1);letter-spacing:.04em;margin-bottom:14px}
.kx-aside-list{display:flex;flex-direction:column;gap:2px}
.kx-aside-list a{
  display:flex;align-items:center;gap:10px;padding:10px 8px;border-radius:10px;
  font-size:14px;color:var(--text-2);transition:background var(--t),color var(--t);
}
.kx-aside-list a:hover{background:rgba(76,141,255,.1);color:var(--text-1)}
.kx-aside-list i{width:16px;text-align:center;font-size:12px;color:var(--mint)}
.kx-aside-facts{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:grid;gap:10px}
.kx-aside-facts div{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}
.kx-aside-facts strong{color:var(--text-2);font-weight:600;text-align:right;font-variant-numeric:tabular-nums}

/* ---------- faq ---------- */
.kx-faq{border-top:1px solid var(--line)}
.kx-faq details{border-bottom:1px solid var(--line)}
.kx-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;font-size:15.5px;font-weight:600;color:var(--text-1);transition:color var(--t);
}
.kx-faq summary::-webkit-details-marker{display:none}
.kx-faq summary:hover{color:#fff}
.kx-faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--glass-line);color:var(--text-2);font-size:11px;
  transition:transform var(--t),color var(--t),border-color var(--t);
}
.kx-faq details[open] .kx-faq-ico{transform:rotate(45deg);color:var(--accent);border-color:rgba(255,180,61,.45)}
.kx-faq-a{
  margin:0 0 18px;padding:16px 18px;border-radius:12px;font-size:14.5px;line-height:1.85;color:var(--text-2);
  background:var(--glass);border:1px solid var(--glass-line);
}

/* ---------- cta + form ---------- */
.kx-cta-panel{
  display:grid;gap:28px;padding:30px 22px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--glass-line);box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
@media (min-width:1024px){.kx-cta-panel{grid-template-columns:1fr 1fr;gap:40px;padding:42px 40px}}
.kx-cta-list{display:grid;gap:12px;margin-top:22px}
.kx-cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2)}
.kx-cta-list i{color:var(--mint);margin-top:5px;font-size:12px}
.kx-field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.kx-label{font-size:12.5px;color:var(--text-3);letter-spacing:.02em}
.kx-input{
  width:100%;height:46px;padding:0 14px;border-radius:12px;color:var(--text-1);
  background:rgba(10,18,32,.62);border:1px solid var(--glass-line);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.kx-input::placeholder{color:var(--text-3)}
.kx-input:hover{border-color:rgba(140,180,255,.26)}
.kx-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,141,255,.22);background:rgba(10,18,32,.8)}
textarea.kx-input{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.kx-form-note{margin-top:12px;font-size:12.5px;color:var(--text-3)}
.kx-form-alert{
  display:flex;align-items:center;gap:8px;margin-top:12px;padding:10px 14px;border-radius:10px;font-size:13px;
  background:rgba(53,208,127,.12);border:1px solid rgba(53,208,127,.3);color:#8CE6B7;
}

/* ---------- footer ---------- */
.kx-footer{margin-top:72px;padding:56px 0 26px;border-top:1px solid var(--line);background:rgba(5,9,18,.86)}
.kx-footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.kx-footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.kx-footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.kx-footer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;margin-bottom:14px}
.kx-footer p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:380px}
.kx-footer h4{font-size:14px;color:var(--text-1);margin-bottom:14px;letter-spacing:.02em}
.kx-footer ul{display:grid;gap:10px}
.kx-footer li{font-size:13.5px;color:var(--text-3)}
.kx-footer li a{color:var(--text-2);transition:color var(--t)}
.kx-footer li a:hover{color:var(--mint)}
.kx-copy{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  margin-top:36px;padding-top:18px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}

/* ---------- mobile tabbar ---------- */
.kx-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;
  background:rgba(10,18,32,.88);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-top:1px solid var(--glass-line);
  padding-bottom:env(safe-area-inset-bottom);
}
.kx-tab{
  position:relative;flex:1;min-height:60px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;font-size:11px;color:var(--text-3);
  transition:color var(--t);
}
.kx-tab i{font-size:17px}
.kx-tab:hover{color:var(--text-1)}
.kx-tab.is-active{color:var(--accent)}
.kx-tab.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--accent);
}
@media (min-width:768px){.kx-tabbar{display:none}}
@media (max-width:767px){.kx-body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:1ms!important;animation-duration:1ms!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A13; --bg-1:#0A1220; --bg-2:#0E1728;
  --brand:#4C8DFF; --brand-deep:#1E4FD8;
  --accent:#FFB43D; --mint:#2FD4C6;
  --text-1:#E9EFF9; --text-2:#A8B6CC; --text-3:#6E7F99;
  --line:rgba(150,180,230,.12);
  --glass:rgba(20,32,52,.55);
  --r-lg:20px; --r-md:16px; --r-sm:12px;
  --shadow-card:0 12px 32px -12px rgba(3,8,20,.75);
  --shadow-btn:0 8px 24px -6px rgba(255,180,61,.5);
  --ok:#35D07F; --err:#FF6B6B;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-0);
  color:var(--text-1);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  padding-bottom:calc(76px + env(safe-area-inset-bottom));
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 50% -8%, rgba(76,141,255,.14), transparent 70%),
    radial-gradient(520px 380px at 100% 4%, rgba(47,212,198,.08), transparent 72%),
    linear-gradient(rgba(150,180,230,.03) 1px, transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg, rgba(150,180,230,.03) 1px, transparent 1px) 0 0/48px 48px;
}
.kx-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
@media(min-width:768px){.kx-container{padding:0 32px;}}
.kx-section{padding:56px 0;}
@media(min-width:768px){.kx-section{padding:72px 0;}}
@media(min-width:1024px){.kx-section{padding:100px 0;}}
.kx-glass{background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(140,180,255,.14);}
.kx-card{background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(140,180,255,.14);border-radius:var(--r-md);box-shadow:var(--shadow-card);transition:transform .2s ease-out,border-color .2s ease-out;}
.kx-card:hover{transform:translateY(-3px);border-color:rgba(140,180,255,.3);}
.kx-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;letter-spacing:.02em;transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,border-color .2s ease-out;}
.kx-btn-primary{background:var(--accent);color:#20160a;box-shadow:var(--shadow-btn);}
.kx-btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(255,180,61,.6);}
.kx-btn-ghost{color:var(--text-1);border:1px solid rgba(140,180,255,.22);background:rgba(20,32,52,.45);}
.kx-btn-ghost:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px);}
.kx-btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--mint);font-size:14px;font-weight:600;}
.kx-btn-text:hover{color:#7ff0e5;}
.kx-tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.06em;background:rgba(76,141,255,.14);color:#9dc2ff;border:1px solid rgba(76,141,255,.22);}
.kx-tag-accent{background:rgba(255,180,61,.14);color:#ffcd7a;border-color:rgba(255,180,61,.26);}
.kx-tag-mint{background:rgba(47,212,198,.12);color:#7fe9de;border-color:rgba(47,212,198,.24);}
.kx-title-xl{font-size:30px;line-height:1.2;font-weight:700;letter-spacing:.02em;}
.kx-title-lg{font-size:24px;line-height:1.25;font-weight:700;letter-spacing:.02em;}
.kx-title-md{font-size:20px;line-height:1.35;font-weight:700;}
@media(min-width:768px){.kx-title-xl{font-size:42px;}.kx-title-lg{font-size:30px;}.kx-title-md{font-size:22px;}}
@media(min-width:1024px){.kx-title-xl{font-size:52px;}.kx-title-lg{font-size:34px;}}
.kx-meta{font-size:14px;color:var(--text-3);}
.kx-mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.kx-header{position:sticky;top:0;z-index:60;border-bottom:1px solid var(--line);background:rgba(6,10,19,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);}
.kx-header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.kx-logo{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.kx-logo-mark{width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(140deg,var(--brand),var(--brand-deep));color:#fff;font-size:15px;box-shadow:0 8px 20px -8px rgba(76,141,255,.75);}
.kx-nav-links{display:none;align-items:center;gap:26px;}
@media(min-width:1024px){.kx-nav-links{display:flex;}}
.kx-nav-link{position:relative;font-size:14.5px;color:var(--text-2);padding:6px 2px;}
.kx-nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;}
.kx-nav-link:hover{color:var(--text-1);}
.kx-nav-link:hover::after{transform:scaleX(1);}
.kx-nav-link.is-active{color:var(--text-1);font-weight:600;}
.kx-nav-link.is-active::after{transform:scaleX(1);background:var(--accent);}
.kx-nav-link.is-active::before{content:"";position:absolute;top:-4px;left:50%;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--accent);}
.kx-header-cta{display:none;}
@media(min-width:768px){.kx-header-cta{display:inline-flex;}}
.kx-menu-btn{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;border:1px solid rgba(140,180,255,.2);background:rgba(20,32,52,.5);color:var(--text-1);}
@media(min-width:1024px){.kx-menu-btn{display:none;}}
.kx-mobile-panel{display:none;border-top:1px solid var(--line);background:rgba(8,13,24,.96);}
.kx-mobile-panel.is-open{display:block;}
.kx-mobile-panel a{display:block;padding:14px 20px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);}
.kx-mobile-panel a.is-active{color:var(--accent);font-weight:600;}

/* ---------- banner ---------- */
.kx-banner{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.kx-banner-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;filter:saturate(.9);}
.kx-banner-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,19,.82),rgba(6,10,19,.94) 62%,var(--bg-0));}
.kx-banner-inner{position:relative;z-index:1;padding:48px 0 44px;}
@media(min-width:1024px){.kx-banner-inner{padding:72px 0 64px;}}
.kx-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.kx-crumb a:hover{color:var(--mint);}
.kx-crumb span.sep{color:var(--text-3);opacity:.6;}
.kx-banner h1{margin:14px 0 16px;max-width:16em;}
.kx-banner p.lead{max-width:44em;color:var(--text-2);font-size:16px;line-height:1.9;}
.kx-hero-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:26px;max-width:720px;}
@media(min-width:768px){.kx-hero-facts{grid-template-columns:repeat(4,minmax(0,1fr));}}
.kx-fact{padding:14px 16px;border-radius:var(--r-sm);background:rgba(20,32,52,.5);border:1px solid var(--line);}
.kx-fact b{display:block;font-size:19px;font-weight:700;color:var(--text-1);}
.kx-fact span{font-size:12.5px;color:var(--text-3);}

/* ---------- layout ---------- */
.kx-cols{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:1024px){.kx-cols{grid-template-columns:minmax(0,1fr) 340px;gap:36px;align-items:start;}}
.kx-sticky{position:static;}
@media(min-width:1024px){.kx-sticky{position:sticky;top:92px;}}

/* ---------- step list ---------- */
.kx-steps{display:flex;flex-direction:column;gap:16px;}
.kx-step{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;padding:22px;border-radius:var(--r-md);background:var(--glass);border:1px solid rgba(140,180,255,.14);box-shadow:var(--shadow-card);transition:transform .2s ease-out,border-color .2s ease-out;}
.kx-step:hover{transform:translateY(-2px);border-color:rgba(140,180,255,.3);}
.kx-step-num{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;font-size:13px;font-weight:700;letter-spacing:.08em;color:#0c1424;background:linear-gradient(140deg,#ffd28a,var(--accent));font-variant-numeric:tabular-nums;}
.kx-step h3{font-size:18.5px;font-weight:700;margin-bottom:8px;}
.kx-step p{color:var(--text-2);font-size:15.5px;line-height:1.9;}
.kx-points{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.kx-points li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2);}
.kx-points li::before{content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(47,212,198,.12);}

/* ---------- side card ---------- */
.kx-side{padding:22px;border-radius:var(--r-lg);background:var(--glass);backdrop-filter:blur(14px);border:1px solid rgba(140,180,255,.16);box-shadow:var(--shadow-card);}
.kx-side h3{font-size:17px;font-weight:700;margin-bottom:14px;}
.kx-side-img{border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;margin-bottom:16px;background:var(--bg-2);}
.kx-side-img img{width:100%;height:100%;object-fit:cover;}
.kx-side-list{display:flex;flex-direction:column;gap:12px;font-size:14.5px;color:var(--text-2);}
.kx-side-list li{display:flex;gap:10px;padding-bottom:12px;border-bottom:1px dashed var(--line);}
.kx-side-list li:last-child{border-bottom:0;padding-bottom:0;}
.kx-side-list i{color:var(--brand);margin-top:6px;font-size:12px;}
.kx-side-list b{color:var(--text-1);font-weight:600;}
.kx-side-note{margin-top:16px;padding:12px 14px;border-radius:var(--r-sm);background:rgba(255,180,61,.1);border:1px solid rgba(255,180,61,.24);font-size:13.5px;color:#ffd699;line-height:1.75;}

/* ---------- checklist ---------- */
.kx-check-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:768px){.kx-check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.kx-check{display:flex;gap:14px;padding:20px;border-radius:var(--r-md);background:rgba(14,23,40,.72);border:1px solid var(--line);transition:border-color .2s ease-out,transform .2s ease-out;}
.kx-check:hover{border-color:rgba(47,212,198,.35);transform:translateY(-2px);}
.kx-check i{color:var(--mint);font-size:16px;margin-top:5px;}
.kx-check h3{font-size:16.5px;font-weight:700;margin-bottom:6px;}
.kx-check p{font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ---------- scenario strip ---------- */
.kx-scene{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:1024px){.kx-scene{grid-template-columns:repeat(3,minmax(0,1fr));}}
.kx-scene-main{grid-column:span 1;padding:26px;border-radius:var(--r-lg);background:linear-gradient(150deg,rgba(76,141,255,.16),rgba(20,32,52,.6));border:1px solid rgba(76,141,255,.24);}
.kx-scene-main h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.kx-scene-main p{color:var(--text-2);font-size:15px;line-height:1.9;}
.kx-scene-item{padding:22px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--line);transition:border-color .2s ease-out,transform .2s ease-out;}
.kx-scene-item:hover{border-color:rgba(140,180,255,.32);transform:translateY(-3px);}
.kx-scene-item i{color:var(--brand);font-size:18px;}
.kx-scene-item h4{font-size:16px;font-weight:700;margin:12px 0 8px;}
.kx-scene-item p{font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ---------- faq ---------- */
.kx-faq{border-top:1px solid var(--line);}
.kx-faq details{border-bottom:1px solid var(--line);}
.kx-faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 4px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;}
.kx-faq summary::-webkit-details-marker{display:none;}
.kx-faq summary i{color:var(--brand);transition:transform .2s ease-out;}
.kx-faq details[open] summary i{transform:rotate(45deg);color:var(--accent);}
.kx-faq .kx-faq-body{padding:0 4px 20px;font-size:15px;color:var(--text-2);line-height:1.9;}

/* ---------- cta ---------- */
.kx-cta{padding:28px;border-radius:var(--r-lg);background:var(--glass);backdrop-filter:blur(14px);border:1px solid rgba(255,180,61,.22);box-shadow:var(--shadow-card);display:grid;gap:20px;}
@media(min-width:768px){.kx-cta{grid-template-columns:minmax(0,1fr) auto;align-items:center;padding:34px;}}
.kx-cta h2{font-size:22px;font-weight:700;margin-bottom:8px;}
.kx-cta p{color:var(--text-2);font-size:15px;line-height:1.85;max-width:52ch;}

/* ---------- footer ---------- */
.kx-footer{margin-top:20px;border-top:1px solid var(--line);background:rgba(6,10,19,.92);padding:48px 0 26px;position:relative;z-index:1;}
.kx-footer-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:768px){.kx-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.kx-footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr;}}
.kx-footer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;margin-bottom:12px;}
.kx-footer p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:34ch;}
.kx-footer h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:12px;letter-spacing:.04em;}
.kx-footer ul li{font-size:14px;color:var(--text-2);margin-bottom:10px;}
.kx-footer ul li a:hover{color:var(--mint);}
.kx-copy{margin-top:34px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-size:12px;color:var(--text-3);}

/* ---------- tabbar ---------- */
.kx-tabbar{position:fixed;left:0;right:0;bottom:0;z-index:80;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(8,13,24,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid rgba(140,180,255,.16);padding-bottom:env(safe-area-inset-bottom);}
@media(min-width:768px){.kx-tabbar{display:none;}}
.kx-tabbar a{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:60px;font-size:11px;color:var(--text-3);}
.kx-tabbar a i{font-size:16px;}
.kx-tabbar a.is-active{color:var(--accent);}
.kx-tabbar a.is-active::before{content:"";position:absolute;top:0;width:24px;height:2px;border-radius:2px;background:var(--accent);}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important;}}

/* roulang page: category3 */
:root{
    --bg-0:#060A13; --bg-1:#0A1220; --bg-2:#0E1728;
    --brand:#4C8DFF; --brand-deep:#1E4FD8;
    --accent:#FFB43D; --mint:#2FD4C6;
    --text-1:#E9EFF9; --text-2:#A8B6CC; --text-3:#6E7F99;
    --line:rgba(150,180,230,.12);
    --line-strong:rgba(140,180,255,.22);
    --ok:#35D07F; --err:#FF6B6B;
    --glass:rgba(20,32,52,.55);
    --r-lg:20px; --r-md:16px; --r-sm:12px;
    --sh-card:0 12px 32px -12px rgba(3,8,20,.75);
    --sh-btn:0 8px 24px -6px rgba(255,180,61,.5);
    --ease:200ms cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px; line-height:1.8; color:var(--text-1);
    background-color:var(--bg-0);
    background-image:
      radial-gradient(900px 460px at 50% -8%, rgba(76,141,255,.14), transparent 70%),
      radial-gradient(700px 420px at 92% 4%, rgba(47,212,198,.08), transparent 72%),
      linear-gradient(rgba(150,180,230,.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(150,180,230,.03) 1px, transparent 1px);
    background-size:auto, auto, 46px 46px, 46px 46px;
    background-attachment:fixed;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea{font:inherit;color:inherit;}
  button{background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  .kx-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){ .kx-container{padding:0 32px;} }

  .kx-section{padding:56px 0;}
  @media (min-width:768px){ .kx-section{padding:72px 0;} }
  @media (min-width:1024px){ .kx-section{padding:100px 0;} }

  .kx-glass{
    background:var(--glass);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid rgba(140,180,255,.14);
  }
  .kx-card{
    background:var(--glass);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid rgba(140,180,255,.14);
    border-radius:var(--r-md);
    box-shadow:var(--sh-card);
    transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
  }
  .kx-card:hover{transform:translateY(-3px);border-color:rgba(140,180,255,.3);}

  /* 导航 */
  .kx-header{
    position:sticky;top:0;z-index:60;
    border-bottom:1px solid transparent;
    transition:background var(--ease), border-color var(--ease), backdrop-filter var(--ease);
  }
  .kx-header.is-scrolled{
    background:rgba(6,10,19,.85);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom-color:var(--line);
  }
  .kx-nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px;}
  .kx-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .kx-logo-mark{
    width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
    background:linear-gradient(140deg,var(--brand),var(--brand-deep));
    color:#fff;font-size:15px;box-shadow:0 8px 20px -8px rgba(76,141,255,.9);
  }
  .kx-logo-text{font-size:15px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
  @media (min-width:1024px){ .kx-logo-text{font-size:16px;} }
  .kx-nav-links{display:none;align-items:center;gap:6px;}
  @media (min-width:1024px){ .kx-nav-links{display:flex;} }
  .kx-nav-link{
    position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
    font-size:14.5px;color:var(--text-2);border-radius:10px;transition:color var(--ease),background var(--ease);
  }
  .kx-nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--brand),var(--mint));
    transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
  }
  .kx-nav-link:hover{color:var(--text-1);background:rgba(76,141,255,.08);}
  .kx-nav-link:hover::after{transform:scaleX(1);}
  .kx-nav-link.is-active{color:var(--text-1);font-weight:600;}
  .kx-nav-link.is-active::before{
    content:"";position:absolute;top:4px;left:50%;transform:translateX(-50%);
    width:5px;height:5px;border-radius:50%;background:var(--accent);
  }
  .kx-nav-actions{display:flex;align-items:center;gap:10px;}
  .kx-menu-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;color:var(--text-1);
    background:rgba(20,32,52,.55);border:1px solid var(--line);
  }
  @media (min-width:1024px){ .kx-menu-btn{display:none;} }
  .kx-mobile-panel{
    display:none;border-top:1px solid var(--line);
    background:rgba(6,10,19,.94);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  }
  .kx-mobile-panel.is-open{display:block;}
  @media (min-width:1024px){ .kx-mobile-panel{display:none !important;} }
  .kx-mobile-panel a{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 0;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);
  }
  .kx-mobile-panel a:last-child{border-bottom:0;}
  .kx-mobile-panel a.is-active{color:var(--accent);}

  /* 按钮 */
  .kx-btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;border-radius:var(--r-sm);
    font-size:15px;font-weight:600;white-space:nowrap;
    transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  }
  .kx-btn-primary{background:var(--accent);color:#241703;box-shadow:var(--sh-btn);}
  .kx-btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(255,180,61,.65);}
  .kx-btn-primary:active{transform:translateY(0);}
  .kx-btn-ghost{
    background:rgba(20,32,52,.55);border:1px solid var(--line);color:var(--text-1);
  }
  .kx-btn-ghost:hover{transform:translateY(-2px);border-color:var(--line-strong);background:rgba(28,44,70,.7);}
  .kx-btn-text{
    display:inline-flex;align-items:center;gap:6px;color:var(--brand);
    font-size:14.5px;font-weight:600;min-height:44px;
  }
  .kx-btn-text:hover{color:var(--mint);}
  .kx-btn[disabled],.kx-btn.is-disabled{opacity:.5;pointer-events:none;}

  /* 徽标 / 标签 */
  .kx-badge{
    display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
    font-size:12.5px;font-weight:600;letter-spacing:.02em;
    background:rgba(76,141,255,.14);color:#9CC0FF;border:1px solid rgba(76,141,255,.26);
  }
  .kx-badge-accent{background:rgba(255,180,61,.14);color:var(--accent);border-color:rgba(255,180,61,.3);}
  .kx-badge-mint{background:rgba(47,212,198,.12);color:var(--mint);border-color:rgba(47,212,198,.28);}
  .kx-tag{
    display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
    font-size:12.5px;color:var(--text-2);background:rgba(150,180,230,.08);border:1px solid var(--line);
  }

  /* 标题 */
  .kx-title-xl{
    font-size:30px;line-height:1.2;font-weight:700;letter-spacing:.02em;
  }
  @media (min-width:768px){ .kx-title-xl{font-size:40px;} }
  @media (min-width:1024px){ .kx-title-xl{font-size:50px;line-height:1.15;} }
  .kx-title-lg{font-size:24px;line-height:1.3;font-weight:700;letter-spacing:.02em;}
  @media (min-width:768px){ .kx-title-lg{font-size:30px;} }
  @media (min-width:1024px){ .kx-title-lg{font-size:34px;} }
  .kx-title-md{font-size:19px;line-height:1.4;font-weight:700;letter-spacing:.01em;}
  @media (min-width:1024px){ .kx-title-md{font-size:21px;} }
  .kx-sub{color:var(--text-2);font-size:16px;line-height:1.85;}
  .kx-meta{
    font-size:13px;color:var(--text-3);letter-spacing:.06em;
    font-variant-numeric:tabular-nums;
  }
  .kx-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}

  /* Hero */
  .kx-hero{
    position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  }
  .kx-hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    opacity:.32;
  }
  .kx-hero-bg::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(6,10,19,.72),rgba(6,10,19,.94) 62%,var(--bg-0));
  }
  .kx-hero-inner{position:relative;padding:72px 0 60px;}
  @media (min-width:1024px){ .kx-hero-inner{padding:96px 0 84px;} }
  .kx-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
  .kx-crumb a{color:var(--text-2);}
  .kx-crumb a:hover{color:var(--mint);}
  .kx-crumb span.sep{opacity:.5;}

  .kx-stats{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:32px;
  }
  @media (min-width:768px){ .kx-stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;} }
  .kx-stat{
    padding:14px 16px;border-radius:var(--r-sm);
    background:rgba(20,32,52,.5);border:1px solid var(--line);
  }
  .kx-stat b{display:block;font-size:20px;color:var(--text-1);line-height:1.3;}
  .kx-stat span{font-size:12.5px;color:var(--text-3);}

  /* 板块标题行 */
  .kx-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px;}
  .kx-head p{margin-top:10px;color:var(--text-2);max-width:640px;}

  /* 能力总览 非对称 */
  .kx-overview{display:grid;gap:20px;grid-template-columns:1fr;}
  @media (min-width:1024px){
    .kx-overview{grid-template-columns:1.35fr 1fr;grid-auto-rows:min-content;}
    .kx-overview .kx-ov-main{grid-row:span 2;}
  }
  .kx-ov-main{display:flex;flex-direction:column;overflow:hidden;padding:0;}
  .kx-ov-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .kx-ov-main .kx-ov-body{padding:24px;display:flex;flex-direction:column;gap:14px;}
  .kx-ov-side{padding:22px;display:flex;flex-direction:column;gap:12px;}

  .kx-list-check{display:flex;flex-direction:column;gap:10px;}
  .kx-list-check li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.75;}
  .kx-list-check li i{color:var(--mint);font-size:13px;margin-top:7px;flex:0 0 auto;}

  /* 纵向阶段时间线 */
  .kx-timeline{position:relative;padding-left:52px;}
  .kx-timeline::before{
    content:"";position:absolute;left:19px;top:10px;bottom:10px;width:1px;
    background:linear-gradient(180deg,rgba(76,141,255,.5),rgba(150,180,230,.14) 70%,transparent);
  }
  @media (min-width:1024px){ .kx-timeline{padding-left:76px;} .kx-timeline::before{left:31px;} }
  .kx-stage{position:relative;margin-bottom:28px;}
  .kx-stage:last-child{margin-bottom:0;}
  .kx-stage-node{
    position:absolute;left:-52px;top:6px;width:38px;height:38px;border-radius:12px;
    display:grid;place-items:center;font-size:13px;font-weight:700;
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.04em;
    background:rgba(14,23,40,.95);border:1px solid var(--line-strong);color:var(--text-2);
  }
  @media (min-width:1024px){ .kx-stage-node{left:-76px;width:44px;height:44px;font-size:14px;} }
  .kx-stage.is-now .kx-stage-node{
    background:var(--accent);color:#241703;border-color:transparent;
    box-shadow:0 0 0 6px rgba(255,180,61,.12),0 8px 22px -8px rgba(255,180,61,.8);
    animation:kxPulse 3.4s ease-in-out infinite;
  }
  @keyframes kxPulse{
    0%,100%{box-shadow:0 0 0 6px rgba(255,180,61,.12),0 8px 22px -8px rgba(255,180,61,.8);}
    50%{box-shadow:0 0 0 12px rgba(255,180,61,.04),0 8px 26px -8px rgba(255,180,61,.55);}
  }
  @media (prefers-reduced-motion:reduce){
    .kx-stage.is-now .kx-stage-node{animation:none;}
    *{transition-duration:1ms !important;}
  }
  .kx-stage-card{padding:0;overflow:hidden;}
  .kx-stage-inner{display:grid;gap:0;grid-template-columns:1fr;}
  @media (min-width:768px){
    .kx-stage-inner{grid-template-columns:minmax(0,0.85fr) minmax(0,1.15fr);align-items:stretch;}
  }
  .kx-stage-figure{position:relative;background:rgba(10,18,32,.9);}
  .kx-stage-figure img{width:100%;height:100%;min-height:190px;aspect-ratio:4/3;object-fit:cover;}
  @media (min-width:768px){ .kx-stage-figure img{aspect-ratio:auto;height:100%;} }
  .kx-stage-figure::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,transparent 45%,rgba(6,10,19,.6));
  }
  .kx-stage-body{padding:22px;display:flex;flex-direction:column;gap:12px;}
  @media (min-width:1024px){ .kx-stage-body{padding:26px 28px;} }
  .kx-stage-body h3{font-size:20px;font-weight:700;line-height:1.4;}
  .kx-stage-body p{color:var(--text-2);font-size:15px;}

  /* 行式列表 */
  .kx-rows{border-top:1px solid var(--line);}
  .kx-row{
    display:grid;gap:10px;grid-template-columns:1fr;padding:20px 4px;border-bottom:1px solid var(--line);
    transition:background var(--ease),padding-left var(--ease);
  }
  @media (min-width:768px){ .kx-row{grid-template-columns:220px minmax(0,1fr);gap:26px;align-items:start;} }
  .kx-row:hover{background:rgba(76,141,255,.05);padding-left:12px;}
  .kx-row-name{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;}
  .kx-row-name i{color:var(--brand);font-size:14px;width:18px;text-align:center;}
  .kx-row-desc{color:var(--text-2);font-size:15px;}

  /* 场景卡 */
  .kx-scenes{display:grid;gap:18px;grid-template-columns:1fr;}
  @media (min-width:640px){ .kx-scenes{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .kx-scenes{grid-template-columns:repeat(4,minmax(0,1fr));} }
  .kx-scene{padding:20px;display:flex;flex-direction:column;gap:10px;}
  .kx-scene span.kx-scene-idx{
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;letter-spacing:.12em;
    color:var(--text-3);text-transform:uppercase;
  }
  .kx-scene h3{font-size:17px;}
  .kx-scene p{font-size:14.5px;color:var(--text-2);}

  /* FAQ */
  .kx-faq{border-top:1px solid var(--line);}
  .kx-faq-item{border-bottom:1px solid var(--line);}
  .kx-faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 4px;cursor:pointer;list-style:none;font-size:16px;font-weight:600;
    transition:color var(--ease);
  }
  .kx-faq-item summary::-webkit-details-marker{display:none;}
  .kx-faq-item summary:hover{color:var(--brand);}
  .kx-faq-icon{
    flex:0 0 auto;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
    background:rgba(76,141,255,.12);border:1px solid rgba(76,141,255,.24);color:var(--brand);
    transition:transform var(--ease),background var(--ease),color var(--ease);
  }
  .kx-faq-item[open] .kx-faq-icon{transform:rotate(45deg);background:rgba(255,180,61,.14);color:var(--accent);border-color:rgba(255,180,61,.3);}
  .kx-faq-body{
    padding:0 4px 22px;color:var(--text-2);font-size:15px;
    background:linear-gradient(180deg,rgba(20,32,52,.42),rgba(20,32,52,0));
    border-radius:0 0 var(--r-sm) var(--r-sm);
  }

  /* CTA */
  .kx-cta{padding:28px;border-radius:var(--r-lg);}
  @media (min-width:1024px){ .kx-cta{padding:40px;} }
  .kx-cta-grid{display:grid;gap:26px;grid-template-columns:1fr;}
  @media (min-width:1024px){ .kx-cta-grid{grid-template-columns:1fr 1fr;gap:44px;align-items:start;} }

  .kx-field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px;}
  .kx-field label{font-size:12.5px;color:var(--text-3);letter-spacing:.04em;}
  .kx-input{
    width:100%;min-height:46px;padding:10px 14px;border-radius:var(--r-sm);
    background:rgba(10,18,32,.62);border:1px solid var(--line);color:var(--text-1);
    font-size:15px;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
  }
  .kx-input::placeholder{color:var(--text-3);}
  .kx-input:hover{border-color:var(--line-strong);}
  .kx-input:focus{
    outline:none;border-color:var(--brand);background:rgba(10,18,32,.85);
    box-shadow:0 0 0 3px rgba(76,141,255,.18);
  }
  textarea.kx-input{min-height:96px;resize:vertical;line-height:1.7;}

  /* 底部 Tab */
  .kx-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(6,10,19,.92);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
  }
  .kx-tab{
    flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    height:60px;font-size:11px;color:var(--text-3);position:relative;
    transition:color var(--ease);
  }
  .kx-tab i{font-size:17px;}
  .kx-tab::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
    width:26px;height:2px;border-radius:0 0 3px 3px;background:var(--accent);transition:transform var(--ease);
  }
  .kx-tab.is-active{color:var(--accent);}
  .kx-tab.is-active::before{transform:translateX(-50%) scaleX(1);}
  @media (min-width:768px){ .kx-tabbar{display:none;} }
  @media (max-width:767.98px){
    body{padding-bottom:calc(60px + env(safe-area-inset-bottom) + 8px);}
  }

  /* 页脚 */
  .kx-footer{
    margin-top:20px;border-top:1px solid var(--line);
    background:rgba(6,10,19,.86);padding:48px 0 28px;
  }
  .kx-footer-grid{display:grid;gap:28px;grid-template-columns:1fr;}
  @media (min-width:640px){ .kx-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .kx-footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;} }
  .kx-footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;margin-bottom:12px;}
  .kx-footer p{color:var(--text-2);font-size:14.5px;max-width:340px;}
  .kx-footer h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--text-1);}
  .kx-footer li{font-size:14.5px;color:var(--text-2);line-height:2;}
  .kx-footer li a:hover{color:var(--mint);}
  .kx-copy{
    margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:12px;color:var(--text-3);
  }

/* roulang page: category2 */
:root{
  --bg-0:#060A13;
  --bg-1:#0A1220;
  --bg-2:#0E1728;
  --brand:#4C8DFF;
  --brand-deep:#1E4FD8;
  --accent:#FFB43D;
  --mint:#2FD4C6;
  --text-1:#E9EFF9;
  --text-2:#A8B6CC;
  --text-3:#6E7F99;
  --line:rgba(150,180,230,.12);
  --glass:rgba(20,32,52,.55);
  --ok:#35D07F;
  --err:#FF6B6B;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:0 12px 32px -12px rgba(3,8,20,.75);
  --shadow-accent:0 8px 24px -6px rgba(255,180,61,.5);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 50% -12%, rgba(76,141,255,.16), transparent 70%),
    radial-gradient(720px 460px at 96% 6%, rgba(47,212,198,.08), transparent 70%),
    linear-gradient(rgba(150,180,230,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150,180,230,.03) 1px, transparent 1px);
  background-size:auto, auto, 46px 46px, 46px 46px;
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0 0 16px;font-weight:700;letter-spacing:.02em;line-height:1.25;}
p{margin:0 0 16px;color:var(--text-2);}
ul,ol{margin:0;padding:0;list-style:none;}
strong{color:var(--text-1);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
.kx-container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.kx-container{padding-left:32px;padding-right:32px;}}

/* ---------- 顶部导航 ---------- */
.kx-header{
  position:sticky;top:0;z-index:60;
  height:68px;display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:background .22s ease-out, border-color .22s ease-out, backdrop-filter .22s ease-out;
}
.kx-header.is-scrolled{
  background:rgba(6,10,19,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.kx-header-inner{display:flex;align-items:center;gap:20px;width:100%;}
.kx-logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;color:var(--text-1);white-space:nowrap;}
.kx-logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;font-size:14px;
  box-shadow:0 8px 20px -8px rgba(76,141,255,.85);
}
.kx-logo-text{font-size:16px;}
@media (max-width:520px){.kx-logo-text{font-size:14px;letter-spacing:.01em;}}
.kx-nav-links{display:none;margin-left:auto;gap:2px;}
@media (min-width:1024px){.kx-nav-links{display:flex;}}
.kx-nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 13px;border-radius:10px;font-size:14.5px;color:var(--text-2);
  transition:color .18s ease-out, background-color .18s ease-out;
}
.kx-nav-link:hover{color:var(--text-1);background:rgba(76,141,255,.09);}
.kx-nav-link.is-active{color:var(--text-1);}
.kx-nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);
}
.kx-nav-cta{display:none;}
@media (min-width:1024px){.kx-nav-cta{display:inline-flex;margin-left:14px;}}
.kx-menu-btn{
  margin-left:auto;width:44px;height:44px;display:grid;place-items:center;
  border-radius:var(--r-sm);background:var(--glass);border:1px solid var(--line);
  color:var(--text-1);cursor:pointer;transition:border-color .18s ease-out, transform .18s ease-out;
}
.kx-menu-btn:hover{border-color:rgba(140,180,255,.35);transform:translateY(-1px);}
@media (min-width:1024px){.kx-menu-btn{display:none;}}
.kx-mobile-panel{
  position:fixed;top:68px;left:0;right:0;z-index:59;display:none;
  padding:12px 20px 22px;
  background:rgba(8,14,26,.96);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.kx-mobile-panel.is-open{display:block;}
.kx-mobile-panel a{
  display:block;padding:13px 4px;font-size:15px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.kx-mobile-panel a:last-child{border-bottom:none;}
.kx-mobile-panel a.is-active{color:var(--accent);}
@media (min-width:1024px){.kx-mobile-panel{display:none !important;}}

/* ---------- 按钮 ---------- */
.kx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:transform .18s ease-out, box-shadow .2s ease-out, background-color .2s ease-out, border-color .2s ease-out, color .2s ease-out;
}
.kx-btn-primary{background:var(--accent);color:#1A1206;box-shadow:var(--shadow-accent);}
.kx-btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -8px rgba(255,180,61,.62);}
.kx-btn-ghost{background:var(--glass);border-color:var(--line);color:var(--text-1);backdrop-filter:blur(10px);}
.kx-btn-ghost:hover{transform:translateY(-2px);border-color:rgba(140,180,255,.4);}
.kx-btn-text{background:transparent;color:var(--brand);padding:0 6px;min-height:44px;}
.kx-btn-text:hover{color:var(--mint);}
.kx-btn:disabled,.kx-btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.kx-btn-block{width:100%;}

/* ---------- 通用板块 ---------- */
.kx-section{padding-top:56px;padding-bottom:56px;}
@media (min-width:768px){.kx-section{padding-top:72px;padding-bottom:72px;}}
@media (min-width:1024px){.kx-section{padding-top:100px;padding-bottom:100px;}}
.kx-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mint);font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.kx-eyebrow::before{content:"";width:18px;height:1px;background:var(--mint);opacity:.7;}
.kx-title-xl{font-size:30px;line-height:1.2;margin-bottom:14px;}
@media (min-width:768px){.kx-title-xl{font-size:34px;}}
@media (min-width:1024px){.kx-title-xl{font-size:36px;}}
.kx-title-lg{font-size:23px;line-height:1.3;}
@media (min-width:1024px){.kx-title-lg{font-size:30px;}}
.kx-lead{font-size:16px;max-width:720px;}
.kx-meta{font-size:14px;color:var(--text-3);}
.kx-section-head{margin-bottom:32px;}
@media (min-width:1024px){.kx-section-head{margin-bottom:40px;}}

/* ---------- 内页横幅 ---------- */
.kx-banner{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.kx-banner-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.32;filter:saturate(.9);
}
.kx-banner-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(720px 380px at 22% 0%, rgba(76,141,255,.24), transparent 72%),
    linear-gradient(180deg, rgba(6,10,19,.72) 0%, rgba(6,10,19,.92) 72%, var(--bg-0) 100%);
}
.kx-banner-inner{position:relative;padding-top:44px;padding-bottom:44px;}
@media (min-width:768px){.kx-banner-inner{padding-top:64px;padding-bottom:64px;}}
.kx-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;}
.kx-crumb a{color:var(--text-2);transition:color .18s ease-out;}
.kx-crumb a:hover{color:var(--mint);}
.kx-crumb span.sep{color:var(--text-3);}
.kx-banner h1{
  font-size:31px;line-height:1.16;letter-spacing:.02em;
  max-width:760px;margin-bottom:16px;
}
@media (min-width:768px){.kx-banner h1{font-size:40px;}}
@media (min-width:1024px){.kx-banner h1{font-size:52px;}}
.kx-banner-sub{font-size:16.5px;max-width:640px;color:var(--text-2);}
.kx-banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.kx-stat-row{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;
  margin-top:34px;max-width:720px;
}
@media (min-width:768px){.kx-stat-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}}
.kx-stat{
  padding:14px 16px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.kx-stat b{display:block;font-size:22px;color:var(--text-1);font-variant-numeric:tabular-nums;line-height:1.3;}
.kx-stat span{font-size:12.5px;color:var(--text-3);}

/* ---------- 图文块网格 ---------- */
.kx-tile-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.kx-tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.kx-tile-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
.kx-tile{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-md);background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out;
}
.kx-tile:hover{transform:translateY(-4px);border-color:rgba(140,180,255,.34);box-shadow:0 18px 40px -16px rgba(3,8,20,.9);}
.kx-tile-media{position:relative;aspect-ratio:4/3;background:linear-gradient(140deg,var(--bg-2),var(--bg-1));border-bottom:1px solid var(--line);}
.kx-tile-media img{width:100%;height:100%;object-fit:cover;opacity:.82;}
.kx-tile-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,10,19,.05) 30%, rgba(6,10,19,.78) 100%);
}
.kx-tile-index{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:12px;letter-spacing:.12em;font-variant-numeric:tabular-nums;
  padding:5px 10px;border-radius:999px;
  background:rgba(6,10,19,.7);border:1px solid var(--line);color:var(--text-2);
}
.kx-tile-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.kx-tile-body h3{font-size:19px;margin:0;}
.kx-tile-body p{margin:0;font-size:14.5px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.kx-tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.kx-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;background:rgba(76,141,255,.14);color:#9CC0FF;border:1px solid rgba(76,141,255,.22);
}
.kx-tag-mint{background:rgba(47,212,198,.12);color:#7FE6DC;border-color:rgba(47,212,198,.24);}
.kx-tag-accent{background:rgba(255,180,61,.13);color:#FFCC7A;border-color:rgba(255,180,61,.24);}

/* ---------- 序号说明列表 ---------- */
.kx-split{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){.kx-split{grid-template-columns:1.15fr .85fr;gap:40px;align-items:start;}}
.kx-num-list{display:flex;flex-direction:column;gap:14px;}
.kx-num-item{
  display:flex;gap:16px;padding:18px 18px 18px 16px;
  border-radius:var(--r-md);background:rgba(14,23,40,.66);
  border:1px solid var(--line);
  transition:border-color .2s ease-out, transform .2s ease-out;
}
.kx-num-item:hover{border-color:rgba(140,180,255,.3);transform:translateY(-2px);}
.kx-num{
  flex:none;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:13px;font-variant-numeric:tabular-nums;color:var(--mint);
  background:rgba(47,212,198,.1);border:1px solid rgba(47,212,198,.26);
}
.kx-num-item h3{font-size:17px;margin-bottom:6px;}
.kx-num-item p{margin:0;font-size:14.5px;}
.kx-side-card{
  border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--line);
  padding:24px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
@media (min-width:1024px){.kx-side-card{position:sticky;top:92px;}}
.kx-side-card h3{font-size:18px;}
.kx-side-list{display:flex;flex-direction:column;gap:12px;margin:18px 0 22px;}
.kx-side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
.kx-side-list i{color:var(--mint);font-size:13px;margin-top:6px;}
.kx-side-media{margin-top:18px;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;}
.kx-side-media img{width:100%;height:100%;object-fit:cover;opacity:.85;}

/* ---------- 步骤条 ---------- */
.kx-steps{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:768px){.kx-steps{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.kx-steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}}
.kx-step{
  position:relative;padding:22px 20px;border-radius:var(--r-md);
  background:rgba(10,18,32,.72);border:1px solid var(--line);
  transition:border-color .2s ease-out, transform .2s ease-out;
}
.kx-step:hover{transform:translateY(-3px);border-color:rgba(140,180,255,.3);}
.kx-step-no{
  display:inline-block;font-size:12px;letter-spacing:.16em;font-variant-numeric:tabular-nums;
  color:var(--accent);margin-bottom:12px;
}
.kx-step h3{font-size:17px;margin-bottom:8px;}
.kx-step p{margin:0;font-size:14.5px;}
.kx-step::before{
  content:"";position:absolute;left:20px;top:-1px;width:34px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),transparent);
}

/* ---------- 情形卡片 ---------- */
.kx-case-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:768px){.kx-case-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.kx-case{
  padding:22px;border-radius:var(--r-md);
  background:linear-gradient(160deg, rgba(20,32,52,.6), rgba(10,18,32,.7));
  border:1px solid var(--line);
  transition:border-color .2s ease-out, transform .2s ease-out;
}
.kx-case:hover{border-color:rgba(47,212,198,.34);transform:translateY(-3px);}
.kx-case i{font-size:16px;color:var(--brand);margin-bottom:14px;display:block;}
.kx-case h3{font-size:17px;margin-bottom:8px;}
.kx-case p{margin:0;font-size:14.5px;}

/* ---------- FAQ ---------- */
.kx-faq{border-top:1px solid var(--line);}
.kx-faq-item{border-bottom:1px solid var(--line);}
.kx-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);
  transition:color .18s ease-out;
}
.kx-faq-q:hover{color:var(--mint);}
.kx-faq-q i{color:var(--text-3);font-size:14px;transition:transform .22s ease-out, color .22s ease-out;}
.kx-faq-item.is-open .kx-faq-q i{transform:rotate(45deg);color:var(--accent);}
.kx-faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s ease-out, padding .26s ease-out;
}
.kx-faq-item.is-open .kx-faq-a{max-height:360px;}
.kx-faq-a-inner{
  margin:0 0 20px;padding:16px 18px;border-radius:var(--r-sm);
  background:var(--glass);border:1px solid var(--line);
  font-size:14.5px;color:var(--text-2);
}
.kx-faq-a-inner p:last-child{margin-bottom:0;}

/* ---------- CTA 与表单 ---------- */
.kx-cta-panel{
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:
    radial-gradient(520px 260px at 8% 0%, rgba(76,141,255,.2), transparent 70%),
    rgba(14,23,40,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  padding:28px 22px;
  display:grid;grid-template-columns:1fr;gap:28px;
}
@media (min-width:768px){.kx-cta-panel{padding:36px 32px;}}
@media (min-width:1024px){.kx-cta-panel{grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:44px 40px;}}
.kx-cta-panel h2{font-size:25px;line-height:1.28;}
@media (min-width:1024px){.kx-cta-panel h2{font-size:31px;}}
.kx-cta-points{display:flex;flex-direction:column;gap:10px;margin-top:18px;}
.kx-cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);}
.kx-cta-points i{color:var(--accent);margin-top:6px;font-size:12px;}
.kx-form{display:grid;gap:16px;}
.kx-field label{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:8px;letter-spacing:.04em;}
.kx-field input,.kx-field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(20,32,52,.6);border:1px solid var(--line);
  font-size:15px;color:var(--text-1);
  transition:border-color .18s ease-out, box-shadow .18s ease-out;
}
.kx-field input::placeholder,.kx-field textarea::placeholder{color:var(--text-3);}
.kx-field input:focus,.kx-field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,141,255,.22);
}
.kx-form-tip{font-size:13.5px;color:var(--ok);min-height:20px;margin:0;}
.kx-form-tip.is-on{color:var(--ok);}

/* ---------- 页脚 ---------- */
.kx-footer{
  margin-top:20px;border-top:1px solid var(--line);
  background:rgba(6,10,19,.9);
  padding:44px 0 28px;
}
@media (min-width:768px){.kx-footer{padding:56px 0 30px;}}
.kx-footer-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:640px){.kx-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.kx-footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}}
.kx-footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text-1);margin-bottom:12px;}
.kx-footer p{font-size:14px;max-width:340px;}
.kx-footer h4{font-size:14px;color:var(--text-1);margin-bottom:14px;letter-spacing:.06em;}
.kx-footer ul{display:flex;flex-direction:column;gap:10px;}
.kx-footer li{font-size:14px;color:var(--text-2);}
.kx-footer ul a{color:var(--text-2);transition:color .18s ease-out;}
.kx-footer ul a:hover{color:var(--mint);}
.kx-copy{
  margin-top:32px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:var(--text-3);
}

/* ---------- 移动端底部 Tab ---------- */
.kx-tabbar{display:none;}
@media (max-width:767px){
  body{padding-bottom:calc(84px + env(safe-area-inset-bottom));}
  .kx-tabbar{
    display:grid;grid-template-columns:repeat(5,minmax(0,1fr));
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:calc(60px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(10,18,32,.92);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
  }
  .kx-tab{
    position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;color:var(--text-3);
  }
  .kx-tab i{font-size:17px;}
  .kx-tab.is-active{color:var(--accent);}
  .kx-tab.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:22px;height:2px;border-radius:2px;background:var(--accent);
    box-shadow:0 0 10px rgba(255,180,61,.8);
  }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --bg-0:#060A13;--bg-1:#0A1220;--bg-2:#0E1728;
  --brand:#4C8DFF;--brand-deep:#1E4FD8;--accent:#FFB43D;--mint:#2FD4C6;
  --text-1:#E9EFF9;--text-2:#A8B6CC;--text-3:#6E7F99;
  --line:rgba(150,180,230,.12);
  --ok:#35D07F;--err:#FF6B6B;
  --r-lg:20px;--r-md:16px;--r-sm:12px;
  --shadow-card:0 12px 32px -12px rgba(3,8,20,.75);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.02em;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(58% 46% at 50% -8%, rgba(76,141,255,.16), transparent 72%),
    radial-gradient(38% 36% at 100% 2%, rgba(76,141,255,.10), transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.03;
  background-image:
    linear-gradient(rgba(150,180,230,.6) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,180,230,.6) 1px,transparent 1px);
  background-size:44px 44px;
}
body>*{position:relative;z-index:1}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd,dt{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* 容器与节奏 */
.kx-container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.kx-container{padding-left:32px;padding-right:32px}}
.kx-section{padding:56px 0}
@media(min-width:768px){.kx-section{padding:72px 0}}
@media(min-width:1024px){.kx-section{padding:100px 0}}
.kx-section--tight{padding:40px 0}
@media(min-width:1024px){.kx-section--tight{padding:64px 0}}

/* 通用面板与卡片 */
.kx-glass{
  background:rgba(20,32,52,.55);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(140,180,255,.14);
  border-radius:var(--r-md);
}
.kx-card{
  background:rgba(14,23,40,.62);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.kx-card:hover{transform:translateY(-3px);border-color:rgba(140,180,255,.34)}

/* 标题体系 */
.kx-title-xl{font-size:30px;line-height:1.22;font-weight:700;letter-spacing:.02em}
@media(min-width:768px){.kx-title-xl{font-size:40px}}
@media(min-width:1024px){.kx-title-xl{font-size:50px;line-height:1.15}}
.kx-sec-head{max-width:760px;margin-bottom:32px}
@media(min-width:1024px){.kx-sec-head{margin-bottom:40px}}
.kx-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--mint);background:rgba(47,212,198,.10);
  border:1px solid rgba(47,212,198,.24);border-radius:999px;padding:5px 12px;
}
.kx-sec-head h2{font-size:24px;font-weight:700;margin-top:14px;letter-spacing:.02em}
@media(min-width:1024px){.kx-sec-head h2{font-size:32px}}
.kx-sec-head p{color:var(--text-2);margin-top:12px;font-size:15.5px;line-height:1.85}
.kx-sub{font-size:17px;line-height:1.85;color:var(--text-2)}
.kx-meta{font-size:12.5px;color:var(--text-3);letter-spacing:.06em;font-variant-numeric:tabular-nums}

/* 顶部导航 */
.kx-header{
  position:sticky;top:0;z-index:50;height:68px;display:flex;align-items:center;
  background:rgba(6,10,19,.78);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.kx-header-inner{display:flex;align-items:center;gap:18px;width:100%}
.kx-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.kx-logo-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));color:#fff;font-size:15px;
  box-shadow:0 8px 20px -8px rgba(76,141,255,.85);
}
.kx-logo-text{font-size:16px;font-weight:700;letter-spacing:.04em;white-space:nowrap}
.kx-nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.kx-nav-link{
  position:relative;padding:10px 10px;font-size:14px;color:var(--text-2);border-radius:10px;
  transition:color var(--ease),background var(--ease);white-space:nowrap;
}
.kx-nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:4px;height:2px;border-radius:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.kx-nav-link:hover{color:var(--text-1);background:rgba(76,141,255,.08)}
.kx-nav-link:hover::after{transform:scaleX(1)}
.kx-nav-link.is-active{color:var(--text-1);background:rgba(76,141,255,.10)}
.kx-nav-link.is-active::before{
  content:"";position:absolute;top:6px;right:4px;width:5px;height:5px;border-radius:50%;background:var(--accent);
}
.kx-nav-link.is-active::after{transform:scaleX(1);background:var(--accent)}
.kx-header-cta{margin-left:8px;flex-shrink:0}

/* 按钮 */
.kx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.kx-btn-primary{background:var(--accent);color:#12140D;box-shadow:0 8px 24px -6px rgba(255,180,61,.5)}
.kx-btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(255,180,61,.66)}
.kx-btn-outline{background:rgba(20,32,52,.6);border-color:rgba(140,180,255,.20);color:var(--text-1)}
.kx-btn-outline:hover{transform:translateY(-2px);border-color:rgba(140,180,255,.45);box-shadow:0 10px 26px -14px rgba(76,141,255,.9)}
.kx-btn-ghost{color:var(--text-1);padding:0 14px;border-color:transparent}
.kx-btn-ghost:hover{color:var(--mint);transform:translateY(-2px)}
.kx-btn[disabled],.kx-btn.is-disabled{opacity:.45;pointer-events:none}

/* 徽章与标签 */
.kx-badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 12px;font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(76,141,255,.14);color:#9FC1FF;border:1px solid rgba(76,141,255,.24);
}
.kx-badge-accent{background:rgba(255,180,61,.14);color:#FFC970;border-color:rgba(255,180,61,.28)}
.kx-badge-mint{background:rgba(47,212,198,.12);color:#7CE6DC;border-color:rgba(47,212,198,.26)}
.kx-tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* Hero */
.kx-hero{position:relative;padding:46px 0 56px;overflow:hidden;border-bottom:1px solid var(--line)}
@media(min-width:1024px){.kx-hero{padding:80px 0 96px}}
.kx-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3;pointer-events:none}
.kx-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,10,19,.30) 0%,rgba(6,10,19,.86) 62%,var(--bg-0) 100%);
}
.kx-hero .kx-container{position:relative;z-index:2}
.kx-hero-grid{display:grid;gap:34px;align-items:center}
@media(min-width:1024px){.kx-hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
.kx-hero h1{margin-top:18px}
.kx-hero-sub{margin-top:16px;max-width:560px}
.kx-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.kx-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px 20px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
}
@media(min-width:768px){.kx-stats{grid-template-columns:repeat(4,1fr)}}
.kx-stats dt{font-size:21px;font-weight:700;font-variant-numeric:tabular-nums}
.kx-stats dd{margin-top:6px;font-size:12.5px;color:var(--text-3)}
.kx-hero-panel{padding:16px;box-shadow:var(--shadow-card)}
.kx-hero-img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.kx-progress-list{margin-top:16px;display:grid;gap:14px;padding:4px 4px 2px}
.kx-progress-item{font-size:13.5px;color:var(--text-2)}
.kx-progress-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.kx-progress-top b{font-weight:600;color:var(--text-1);font-variant-numeric:tabular-nums}
.kx-state-ok{color:var(--ok)}
.kx-state-warn{color:var(--accent)}
.kx-bar{height:6px;border-radius:999px;background:rgba(150,180,230,.12);overflow:hidden}
.kx-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--mint))}
.kx-bar.is-warn span{background:linear-gradient(90deg,var(--brand),var(--accent))}
.kx-panel-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.7}

/* 双栏布局 */
.kx-split{display:grid;gap:28px}
@media(min-width:1024px){.kx-split{grid-template-columns:1.6fr 1fr;gap:36px;align-items:start}}
.kx-side-card{padding:24px}
@media(min-width:1024px){.kx-side-card{position:sticky;top:96px}}
.kx-side-card h3{font-size:18px;font-weight:700;margin-bottom:12px}
.kx-side-card p{font-size:14.5px;color:var(--text-2)}
.kx-side-list{margin-top:18px;display:grid;gap:12px}
.kx-side-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.kx-side-list i{color:var(--mint);font-size:13px;margin-top:5px}

/* 序号列表 */
.kx-num-list li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.kx-num-list li:last-child{border-bottom:0}
.kx-num{
  flex:0 0 28px;height:28px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#9FC1FF;background:rgba(76,141,255,.13);
  border:1px solid rgba(76,141,255,.22);font-variant-numeric:tabular-nums;
}
.kx-num-list h3{font-size:16.5px;font-weight:600;margin-bottom:6px}
.kx-num-list p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* 表格 */
.kx-table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);border-radius:var(--r-md);background:rgba(14,23,40,.6);
}
.kx-table{width:100%;min-width:820px;border-collapse:collapse;font-size:15px}
.kx-table thead th{
  background:rgba(20,32,52,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  text-align:left;padding:14px 18px;font-size:12.5px;font-weight:600;letter-spacing:.1em;
  color:var(--text-2);border-bottom:1px solid var(--line);white-space:nowrap;
}
.kx-table tbody td{padding:16px 18px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:top;line-height:1.75}
.kx-table tbody tr{transition:background var(--ease)}
.kx-table tbody tr:hover td{background:rgba(76,141,255,.07)}
.kx-table tbody tr:last-child td{border-bottom:0}
.kx-table td:first-child{color:var(--text-1);font-weight:600}
.kx-table .kx-time{color:var(--mint);font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}
.kx-table-hint{margin-top:12px;font-size:12.5px;color:var(--text-3)}
@media(max-width:767px){.kx-table-hint::before{content:"左右滑动查看完整对照 →";display:block}}
@media(min-width:768px){.kx-table-hint::before{content:""}}

/* 图文块网格 */
.kx-media-grid{display:grid;gap:24px}
@media(min-width:768px){.kx-media-grid{grid-template-columns:repeat(2,1fr)}}
.kx-media-card{overflow:hidden}
.kx-media-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-bottom:1px solid var(--line)}
.kx-media-body{padding:22px}
.kx-media-body h3{font-size:18px;font-weight:700;margin-bottom:10px}
.kx-media-body p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.kx-media-list{margin-top:14px;display:grid;gap:8px}
.kx-media-list li{display:flex;gap:9px;font-size:14px;color:var(--text-2)}
.kx-media-list i{color:var(--brand);font-size:12px;margin-top:6px}

/* 流程 */
.kx-steps{display:grid;gap:16px}
@media(min-width:768px){.kx-steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.kx-steps{grid-template-columns:repeat(4,1fr)}}
.kx-step{padding:22px;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(14,23,40,.6);transition:border-color var(--ease),transform var(--ease)}
.kx-step:hover{border-color:rgba(140,180,255,.34);transform:translateY(-3px)}
.kx-step-num{font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--accent);font-variant-numeric:tabular-nums}
.kx-step h3{font-size:17px;font-weight:600;margin:12px 0 8px}
.kx-step p{font-size:14px;color:var(--text-2);line-height:1.8}

/* FAQ */
.kx-faq{border-top:1px solid var(--line)}
.kx-faq details{border-bottom:1px solid var(--line);transition:background var(--ease)}
.kx-faq details[open]{background:rgba(20,32,52,.5);border-radius:var(--r-md);border-bottom-color:transparent;margin-bottom:6px}
.kx-faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 20px;cursor:pointer;font-size:16.5px;font-weight:600;list-style:none;
}
.kx-faq summary::-webkit-details-marker{display:none}
.kx-faq summary::after{
  content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:400;
  color:var(--brand);background:rgba(76,141,255,.12);border:1px solid rgba(76,141,255,.24);
  transition:transform var(--ease),color var(--ease),background var(--ease);
}
.kx-faq details[open] summary::after{content:"−";transform:rotate(180deg);color:var(--accent);background:rgba(255,180,61,.14);border-color:rgba(255,180,61,.3)}
.kx-faq-body{padding:0 20px 22px;font-size:15px;color:var(--text-2);line-height:1.9;max-width:860px}

/* CTA 与表单 */
.kx-cta{
  display:grid;gap:28px;padding:26px;border-radius:var(--r-lg);
  background:rgba(20,32,52,.55);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(140,180,255,.16);box-shadow:var(--shadow-card);
}
@media(min-width:1024px){.kx-cta{grid-template-columns:1fr 1fr;gap:44px;padding:42px;align-items:center}}
.kx-cta h2{font-size:24px;font-weight:700;margin-top:14px}
@media(min-width:1024px){.kx-cta h2{font-size:32px}}
.kx-cta p{color:var(--text-2);margin-top:14px;font-size:15.5px}
.kx-cta-points{margin-top:22px;display:grid;gap:10px}
.kx-cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.kx-cta-points i{color:var(--mint);font-size:13px;margin-top:5px}
.kx-form{display:grid;gap:16px}
.kx-field label{display:block;font-size:12.5px;letter-spacing:.06em;color:var(--text-3);margin-bottom:8px}
.kx-input,.kx-textarea{
  width:100%;border-radius:var(--r-sm);background:rgba(10,18,32,.72);
  border:1px solid var(--line);padding:12px 14px;font-size:15px;color:var(--text-1);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.kx-textarea{min-height:96px;resize:vertical;line-height:1.75}
.kx-input:hover,.kx-textarea:hover{border-color:rgba(140,180,255,.3)}
.kx-input:focus,.kx-textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,141,255,.18)}
.kx-input::placeholder,.kx-textarea::placeholder{color:var(--text-3)}
.kx-form-tip{font-size:12.5px;color:var(--text-3)}

/* 页脚 */
.kx-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:56px 0 28px;margin-top:16px}
.kx-footer-grid{display:grid;gap:32px}
@media(min-width:768px){.kx-footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.kx-footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.kx-footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;margin-bottom:14px}
.kx-footer-grid p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:360px}
.kx-footer-grid h4{font-size:14px;font-weight:600;margin-bottom:14px;color:var(--text-1)}
.kx-footer-grid ul li{font-size:14px;color:var(--text-2);margin-bottom:10px}
.kx-footer-grid ul a{transition:color var(--ease)}
.kx-footer-grid ul a:hover{color:var(--mint)}
.kx-copy{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}

/* 移动端底部 Tab */
.kx-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;
  background:rgba(10,18,32,.9);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
}
.kx-tab{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:9px 2px 8px;font-size:10px;line-height:1.2;color:var(--text-3);position:relative;
  min-height:56px;white-space:nowrap;transition:color var(--ease);
}
.kx-tab i{font-size:16px}
.kx-tab.is-active{color:var(--accent)}
.kx-tab.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--accent);
}
@media(min-width:768px){.kx-tabbar{display:none}}
@media(max-width:767px){
  body{padding-bottom:calc(74px + env(safe-area-inset-bottom))}
  .kx-header-cta{display:none}
  .kx-nav-links{display:none}
  .kx-logo-text{font-size:15px;letter-spacing:.02em}
}
@media(min-width:768px) and (max-width:1023px){
  .kx-nav-links{gap:2px}
  .kx-nav-link{padding:10px 7px;font-size:13px}
  .kx-nav-link::after{left:7px;right:7px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}